Knowledge Express | In-depth Analysis of Refining "Three Agents" System: Principle, Division of Labor and Device Adaptation Core Knowledge Express | In-depth Analysis of Refining "Three Agents" System: Principle, Division of Labor and Device Adaptation Core Logic
Editor's note Editor's note
The essence of the refining industry is that the essence of the refining industry is physical separation + chemical reaction + quality control physical separation + chemical reaction + quality control system engineering, and the three agents (catalysts, additives, solubilizers) are the core soft core resources for the efficient, stable, clean and long-term operation of the whole plant, which is called the "invisible core equipment" of the refining unit. Unlike the device hardware, the three agents do not change the process structure, but directly determine the reaction conversion rate, product yield, equipment corrosion rate, environmental protection emission indicators and product national standard quality level. Based on the whole device dimension of oil refining, this paper breaks through the traditional nouns, systematically dismantles the underlying technical logic of more than 90 kinds of oil refining three agents from the system classification, working condition adaptation mechanism, differential division of labor, process value, operation and maintenance logic and industry technical characteristics of the three agents, and builds a complete professional cognition system for the three agents of oil refining. System engineering, and the three agents (catalysts, additives, solubilizers) are the core soft core resources for the efficient, stable, clean and long-cycle operation of the whole unit, which is called the "invisible core equipment" of the refining unit. Unlike the device hardware, the three agents do not change the process structure, but directly determine the reaction conversion rate, product yield, equipment corrosion rate, environmental protection emission indicators and product national standard quality level. Based on the whole device dimension of oil refining, this paper breaks through the traditional nouns, systematically disassembles the underlying technical logic of more than 90 kinds of oil refining three agents from the system classification, working condition adaptation mechanism, differential division of labor, process value, operation and maintenance logic and industry technical characteristics, and builds a complete professional cognition system of oil refining three agents.
1. Core Definition of Three Agents in Refinery and Division of Labor at the Bottom of the System (Professional Core Cognition) 1. Core Definition of Three Agents in Refinery and Division of Labor at the Bottom of the System (Professional Core Cognition)
The "three agents" referred to in the refining industry are not simply stacked with three types of chemicals, but are based on the "three agents" referred to in the refining industry. They are not simply stacked with three types of chemicals, but are based on the action mechanism, use scenario, process function mechanism, use scenario, and process function . The three have clear boundaries and perform their respective duties. They form the technical base of the auxiliary agent in refining production and are also the core characteristics that distinguish them from the three chemical agents. The formed highly complementary process auxiliary system has clear boundaries and each performs its own duties, forming the technical base of the auxiliary agent in refining production. It is also the core feature that distinguishes it from the three chemical agents.
Catalyst Catalyst is the "efficiency core" of the refining reaction, and only has the function of changing the chemical reaction rate, regulating the reaction selectivity, and generating the target product in a targeted direction. It participates in the reaction cycle throughout the process without being consumed in large quantities. It is the core consumable of the core units of catalytic cracking, hydrogenation, reforming, hydrogen production, etc., and directly determines the production capacity and product structure of the unit. It is the "efficiency core" of the refining reaction. It only has the function of changing the chemical reaction rate, regulating the reaction selectivity, and generating the target product in a targeted direction. It participates in the reaction cycle throughout the process without being consumed in large quantities. It is the core consumable of the core units of catalytic cracking, hydrogenation, reforming, hydrogen production, etc., and directly determines the production capacity and product structure
Additives and additives are the "quality control core" of working conditions and products. They solve the process problems of equipment scaling, corrosion, foam, coking, static electricity, low temperature fluidity, combustion stability and other process problems by micro-addition. At the same time, they complete the quality modification of the end point of refined oil to ensure the long-term operation of the device and the compliance of the product. It is the "quality control core" of working conditions and products. At the same time, they complete the quality modification of the end point of refined oil to ensure the long-term operation of the device and the compliance of the product.
Dissolution aid Dissolution aid is the "medium core" of separation and refining. It relies on the physical characteristics of selective dissolution, extraction, separation, and solvent recovery to achieve accurate separation of aromatics, impurities, gums, and organic acids in oil products. It is mostly used in oil refining, extraction, solvent dewaxing and other devices. It is a key medium for the production of high-end lubricating oils and high-purity aromatics. It is the "medium core" of separation and refining. It relies on the physical characteristics of selective dissolution, extraction, separation, and solvent recovery to achieve accurate separation of aromatics, impurities, gums, and organic acids in oil products. It is mostly used in oil refining, extraction, solvent dewaxing and other devices. It is a key medium for the production of high-end lubricating oils and high-purity aromatics.
From the perspective of the overall process logic: From the perspective of the overall process logic: The catalyst is responsible for "changing the chemical reaction", the additive is responsible for "stabilizing the process conditions", the solubilizer is responsible for "precise separation and purification" The catalyst is responsible for "changing the chemical reaction", the additive is responsible for "stabilizing the process conditions", and the solubilizer is responsible for "precise separation and purification" . The three cooperate to achieve the quality and efficiency of the whole process of crude oil from rough processing and deep conversion to high-quality refining., the three cooperate to realize the quality and efficiency of the whole process of crude oil from rough processing and deep conversion to high-quality refining.
2. Atmospheric vacuum device: anti-corrosion dehydration purification system for crude oil pretreatment 2. Atmospheric vacuum device: anti-corrosion dehydration purification system for crude oil pretreatment
As the first process of oil refining, normal and reduced pressure undertakes the core tasks of crude oil desalination, dehydration, and preliminary fractionation. The device has no chemical reaction and takes physical separation, anti-corrosion and anti-scaling as the core requirements. Therefore, the three-agent system uses normal and reduced pressure as the first process of oil refining. It undertakes the core tasks of crude oil desalination, dehydration, and preliminary fractionation. The device has no chemical reaction and takes physical separation, anti-corrosion and anti-scaling as the core requirements. Therefore, the three-agent system is mainly based on demulsification, corrosion inhibition, impurity removal, scale and emulsification, corrosion inhibition, impurity removal, and scale inhibition . It is the most basic and rigid auxiliary system for the whole refinery.
A stable oil-water emulsification system will be formed during crude oil extraction, storage and transportation. Conventional sedimentation cannot meet the standard dehydration. Oil-soluble and water-soluble demulsifiers can achieve rapid oil-water separation by replacing the oil-water interface film and destroying the emulsification balance. Provide qualified raw materials for subsequent deep processing devices to avoid heating furnace fluctuations and tower flushing problems caused by water-bearing feeding from the source. A stable oil-water emulsification system will be formed during crude oil extraction and storage and transportation. Conventional sedimentation cannot meet the standard dehydration. Oil-soluble and water-soluble demulsifiers can achieve rapid oil-water separation by replacing the oil-water interface film and destroying the emulsification balance. Provide qualified raw materials for subsequent deep processing devices to avoid heating furnace fluctuations and tower flushing problems caused by water-bearing feeding from the source.
Corrosion of atmospheric and vacuum devices Corrosion of atmospheric and vacuum devices Corrosion of high and low temperature partitions Corrosion of high and low temperature partitions Characteristics: Hydrogen sulfide and hydrogen chloride condensation corrosion exist in the low temperature area of the top of the tower, and high temperature sulfur corrosion exists in the high temperature area of the furnace tube and the bottom of the tower. Therefore, the industry is targeted to support low temperature, high temperature, oil-soluble, and water-soluble multi-type corrosion inhibitors to achieve anti-corrosion coverage of equipment in the whole temperature area. Corrosion inhibitors isolate acidic media and metal substrates through the interfacial film formation mechanism, and are the core means of anti-corrosion of refinery equipment and prolonging the maintenance cycle of equipment. Features: There is hydrogen sulfide and hydrogen chloride condensation corrosion in the low temperature area of the top of the tower, and high temperature sulfur corrosion in the high temperature area of the furnace tube and the bottom of the tower. Therefore, the industry is targeted to match low temperature, high temperature, oil-soluble, water-soluble multi-type corrosion inhibitors to achieve equipment anti-corrosion coverage in the whole temperature area. Corrosion inhibitors isolate acidic media and metal substrates through the interface film formation mechanism, and are the core means of anti-corrosion of refinery equipment and prolonging the maintenance cycle of equipment.
Organic metal impurities such as calcium, magnesium, and iron in crude oil cannot be completely removed by electrical desalination, which will subsequently cause catalyst poisoning, heat exchanger scaling, and oil carbon residue. The decalcifier can convert organic metal impurities into water-soluble salts, which are discharged with the desalination water to achieve deep purification of crude oil. The scale inhibitor prevents inorganic salt deposition and scaling through dispersion, chelation, and lattice distortion, ensuring the heat transfer efficiency of heat exchange equipment and reducing the energy consumption of the device. Organic metal impurities such as calcium, magnesium, and iron in crude oil cannot be completely removed by electrical desalination, which will subsequently cause catalyst poisoning, heat exchanger scaling, and oil carbon residue. The decalcifying agent can convert organic metal impurities into water-soluble salts, which are discharged with the desalination water to achieve deep purification of crude oil. The scale inhibitor prevents the deposition and scaling of inorganic salts through dispersion, chelation, and lattice distortion, ensuring the heat transfer efficiency of heat exchange equipment and reducing the energy consumption of the device.
III. FCC Unit: Reaction Regulation and Working Condition Optimization System for Heavy Oil Lighter Quality III. FCC Unit: Reaction Regulation and Working Condition Optimization System for Heavy Oil Lighter Quality
FCC is the core unit of heavy oil conversion and increase production of gasoline and diesel in refineries. The reaction system is complex, impurity enrichment, catalyst pollution is easy, and working conditions fluctuate greatly. Therefore, the three-agent system is the most abundant, covering FCC is the core unit of heavy oil conversion and increase production of gasoline and diesel in refineries. The reaction system is complex, impurity enrichment, catalyst pollution is easy, and working conditions fluctuate greatly. Therefore, the three-agent system is the most abundant, covering main reaction catalysis, product refining, equipment scale prevention, environmental protection emission reduction, and working conditions stability full-dimensional functions. full-dimensional function.
The main catalyst for cracking and cracking is the core of the device. By reducing the activation energy of the cracking reaction, the chain of heavy heavy heavy oil macromolecules can be broken, and the production of light oil and liquefied gas can be increased in a directional manner, which determines the yield and product distribution of light oil in the device. The sulfonated phthalocyanine cobalt and polyphthalocyanine cobalt deodorizing catalysts are specially aimed at light oil thiol impurities, solving the industry pain points of gasoline odor and excessive corrosiveness, and are key additives for oil refining. The main catalyst for cracking and cracking is the core of the device. By reducing the activation energy of the cracking reaction, the chain of heavy heavy oil macromolecules can be broken, and the production of light oil and liquefied gas can be increased in a directional manner, which determines the yield and product distribution of light oil in the device. The sulfonated phthalocyanine cobalt and polyphthalocyanine cobalt deodorization catalysts are specially designed for light oil thiol impurities, solving the industry pain points of gasoline odor and excessive corrosiveness, and are key additives for oil refining.
The biggest operating pain point of this device is the heavy metal pollution of the catalyst and the coking and scaling of the system. Heavy metals such as nickel and vanadium in the raw materials will deposit on the surface of the catalyst, destroy the active center of the catalyst, and exacerbate dehydrogenation and coking. The metal passivator can complex and passivate with heavy metals, inhibit heavy metal pollution, and maintain the stability of catalyst activity. The slurry scale inhibitor aims at the high temperature coking problem at the bottom of the fractionation tower and the slurry circulation system. It inhibits the polymerization and scaling of colloidal asphaltenes through dispersion and polymerization inhibition, and solves the problem of rising pressure drop of the heat exchanger and shortening the operating period of the device. The biggest operating pain point of this Heavy metals such as nickel and vanadium in the raw materials will deposit on the surface of the catalyst, destroy the active center of the catalyst, and accelerate dehydrogenation and coking. Metal passivators can complex and passivate with heavy metals, inhibit heavy metal pollution, and maintain the stability of catalyst activity. Oil slurry scale inhibitors are aimed at the high temperature coking problem at the bottom of the fractionator and the slurry circulation system. They inhibit the scaling of colloidal asphaltene polymerization through dispersion and polymerization inhibition, and solve the problem of increased pressure drop of heat exchanger and shortened operation period of the device.
At the same time, the device is equipped with a complete production stimulation, desulfurization, and environmental protection auxiliary system: the propylene production auxiliary agent optimizes the reaction selectivity and improves the yield of high value-added propylene without modifying the device; the gasoline sulfur reduction auxiliary agent and the sulfur transfer auxiliary agent are respectively from the two dimensions of product sulfur reduction and flue gas desulfurization to achieve clean production; the carbon monoxide combustion auxiliary agent eliminates the excessive CO emission of the regeneration system, recovers waste heat, and saves energy and reduces consumption. In addition, the activator, pre-alkaline washing sodium hydroxide, and low magnetic agent are respectively responsible for oil refining and quality improvement, raw material pretreatment, and waste catalyst sieving and regeneration, forming a complete closed-loop system of device auxiliary agents. At the same time, the device is equipped with a complete production stimulation, desulfurization, and environmental protection auxiliary system: the propylene stimulation auxiliary agent optimizes the reaction selectivity and improves the yield of high value-added propylene without modifying the device; the gasoline sulfur reduction auxiliary agent and the sulfur transfer auxiliary agent respectively achieve clean production from the two dimensions of product sulfur reduction and flue gas desulfurization; the carbon monoxide combustion auxiliary agent eliminates the excessive CO emission of the regeneration system, recovers waste heat, and saves energy and reduces consumption. In addition, the activator, the pre-alkali washing sodium hydroxide, and the low magnetic agent are respectively responsible for oil refining and upgrading, raw material pretreatment, and waste catalyst sieving and regeneration, forming a complete closed-loop system of device auxiliary agents.
4. Hydrogenation device: deep refining catalytic system for oil cleaning 4. Hydrogenation device: deep refining catalytic system for oil cleaning
The hydrogenation device is a core device for refining cleanliness and high quality, covering gasoline, jet coal, diesel, wax oil, and residue full-distillate hydrogenation. The core logic is that the hydrogenation device is a core device for refining cleanliness and high quality. It covers gasoline, jet coal, diesel, wax oil, and residue full-distillate hydrogenation. The core logic is to remove heteroatoms through catalytic hydrogenation reaction, and saturated unsaturated hydrocarbons to remove heteroatoms and saturated unsaturated hydrocarbons through catalytic hydrogenation reaction. Therefore, the three-agent system is based on a special hydrogenation catalyst as the core, supplemented by corrosion inhibition and scale inhibition aids, which are suitable for the working conditions of different distillate oils., Therefore, the three-agent system is based on a special hydrogenation catalyst as the core, assisted by With corrosion inhibition and scale inhibition aids, it is suitable for the working conditions of different distillates.
Different types of hydrogenation catalysts have strong specificity of working conditions, and there is no universal hydrogenation catalyst. Gasoline selective hydrogenation catalysts focus on retaining olefins, precise desulfurization and octane number; jet coal and diesel hydrogenation catalysts focus on deep refining and improving oil stability; wax oil and residue hydrogenation catalysts have strong resistance to impurities and high stability, and are suitable for high colloidal and high metal impurities working conditions of heavy raw materials; hydrocracking catalysts have both cracking and hydrogenation functions to achieve lightweight heavy oil. All kinds of catalysts cooperate to achieve oil desulfurization, denitrification, deoxidation, demetallization, and aromatic saturation, which is the core guarantee for the production of National VI high-standard clean oil. Different types of hydrogenation catalysts have strong specificity of working conditions, and there is no universal hydrogenation catalyst. Gasoline selective hydrogenation catalysts focus on retaining olefins, precise desulfurization and octane number; jet coal and diesel hydrogenation catalysts focus on deep refining and improving oil stability; wax oil and residue hydrogenation catalysts have strong resistance to impurities and high stability, and are suitable for high colloidal and high metal impurity working conditions of heavy raw materials; hydrocracking catalysts have both cracking and hydrogenation functions to achieve light quality of heavy oil. All kinds of catalysts cooperate to achieve oil desulfurization, denitrification, deoxygenation, demineralization, and aromatics saturation, which is the core guarantee for the production of clean oil products with national six high standards.
The special working conditions of high pressure, high temperature, hydrogen-rich, and sulfur-containing hydrogenation units give rise to exclusive anti-corrosion and scale inhibition requirements. The fractionation tower top corrosion inhibitor solves low-temperature acid condensation corrosion; the high-pressure air-cooled corrosion inhibitor specifically inhibits the corrosion and erosion under the scale of ammonium hydride, and is the exclusive protective agent for high-pressure hydrogenation units. Wax oil and residue scale inhibitors can inhibit heat exchange and scaling of heavy raw materials, stabilize heat exchange efficiency, reduce energy consumption of heating furnaces, and greatly extend the operation cycle of hydrogenation units. The special working conditions of high pressure, high temperature, hydrogen-rich, and sulfur-containing hydrogenation units give rise to exclusive anti-corrosion and scale inhibition requirements. Fractionation tower top corrosion inhibitor solves low temperature acid condensation corrosion; high-pressure air-cooling corrosion inhibitor specifically inhibits corrosion and erosion under ammonium hydride scale, and is an exclusive protective agent for high-pressure hydrogenation units. Wax oil and residue scale inhibitors can inhibit heat transfer and scaling of heavy raw materials, stabilize heat transfer efficiency, reduce energy consumption of heating furnaces, and greatly prolong the operation cycle of hydrogenation units.
5. Delayed coking device: working condition stability maintenance system for deep processing of heavy residue 5. Delayed coking device: working condition stability maintenance system for deep processing of heavy residue
Delayed coking uses inferior residual oil as raw material and relies on high temperature thermal cracking to realize heavy oil conversion. The core pain points of the device are high temperature coking, high foam layer, system corrosion, and heavy oil emulsification. Three-agent focused delayed coking uses inferior residual oil as raw material and relies on high temperature thermal cracking to realize heavy oil conversion. The core pain points of the device are high temperature coking, high foam layer, system corrosion, and heavy oil emulsification. Three-agent focusing Coke resistance, defoaming, anti-corrosion, anti-foaming, anti-corrosion, and demulsification four working conditions. Four working conditions problems.
The coking furnace tube is the easiest part of the whole device to coke. The coke inhibitor delays the formation of coking by passivating the tube wall, inhibiting free radical polymerization, and dispersing colloidal asphaltenes, reducing the pressure drop of the tube and improving the processing capacity of the device. A large number of foam layers will be generated during the coking process of the coke tower, which is easy to carry oil and gas into the fractionation system to cause pollution. The defoamer can quickly break the foam, stabilize the working conditions in the tower, and ensure the continuous operation of the device. At the same time, for the problems of high and low temperature corrosion of the device and water content of heavy oil, a variety of corrosion inhibitors and demulsifiers are matched to achieve equipment protection and raw material purification. The coking tube of the coking furnace is the easiest part of the whole device to coke. The coke inhibitor delays the formation of coking by passivating the tube wall, inhibiting free radical polymerization, and dispersing colloidal asphaltenes, reducing the pressure drop of the tube and improving the processing capacity of the device. A large number of foam layers will be generated during the coking process of the coke tower, which is easy to carry oil and gas into the fractionation system to cause pollution. The defoamer can quickly break the foam, stabilize the working conditions in the tower, and ensure the continuous operation of the device. At the same time, for the problems of high and low temperature corrosion of the device and water content of heavy oil, a variety of corrosion inhibitors and demulsifiers are matched to achieve equipment protection and
6. Catalytic reforming unit: a refined auxiliary system for aromatics production and oil quality improvement 6. Catalytic reforming unit: a refined auxiliary system for aromatics production and oil quality improvement
Catalytic reforming is the core production device of high-octane gasoline and high-purity aromatics. The process accuracy requirements are extremely high, and the catalyst is extremely sensitive to impurities. Therefore, the three-agent system presents catalytic reforming as the core production device of high-octane gasoline and high-purity aromatics. The process accuracy requirements are extremely high, and the catalyst is extremely sensitive to impurities. Therefore, the three-agent system presents the characteristics of refinement, protection, regulation, refinement, protection, and regulation. It is also the system with the most refined additives category and the highest technical threshold in all refining units.
The core of the reforming device is a pre-hydrogenation catalyst and a reforming main catalyst. Pre-hydrogenation is responsible for removing catalyst toxins such as sulfur, nitrogen, oxygen, and silicon, and escorts the reforming reaction. Semi-regenerated and continuous reforming catalysts cooperate with acidic centers through platinum rhenium and platinum tin metal active centers to achieve hydrocarbon isomerization and aromatization, which greatly improves the octane number and aromatic yield of oil. The core of the reforming device is a pre-hydrogenation catalyst and a reforming main catalyst. Pre-hydrogenation is responsible for removing catalyst toxins such as sulfur, nitrogen, oxygen, and silicon, and escorts the reforming reaction. Semi-regenerative and continuous reforming catalysts cooperate with acidic centers through platinum rhenium and platinum tin metal active centers to achieve hydrocarbon isomerization and aromatization, and greatly improve the octane number and aromatic yield of oil.
The unique refined auxiliary agent system of this device is its technical core: the hydrodesilication agent specializes in trapping silicon toxins in the raw materials to solve the problem of permanent deactivation of the catalyst; the high and low temperature dechlorination agent grades the chloride ion removal system to avoid chlorine corrosion and catalyst chlorosis; the granular clay precisely removes and reforms to form olefins to ensure the purity of aromatic hydrocarbon products. At the same time, carbon disulfide, dimethyl disulfide vulcanizing agent, tetrachloroethylene, and dichloroethane chlorination agent complete the catalyst pre-vulcanization and regeneration chlorine replenishment respectively, which are the key process media to maintain the catalyst activity and ensure long-term operation. The unique refined auxiliary agent system of this device is its technical core: the hydrodesilication agent specializes in trapping silicon toxins in the raw materials to solve the problem of permanent deactivation of the catalyst; the high and low temperature dechlorination agent grades the chloride ion removal system to avoid chlorine corrosion and catalyst chlorosis; the granular clay precisely removes and reforms to produce olefins to ensure the purity of aromatic hydrocarbon products. At the same time, carbon disulfide, dimethyl disulfide vulcanizing agent, tetrachloroethylene, and dichloroethane chlorinating agent complete the catalyst pre-vulcanization and regeneration chlorine replenishment respectively, which are the key process media to maintain the activity of the catalyst and ensure long-term operation.
In addition, the aromatic hydrocarbon extraction and dissolution aid system with cyclobutane sulfone and tetraethylene glycol ether as the core, with cosolvent and defoamer, realizes the efficient separation of aromatic hydrocarbons and non-aromatic hydrocarbons; monoethanolamine controls the pH value of the system to inhibit acid corrosion and build a full-dimensional process support system for the reforming unit. In addition, the aromatic hydrocarbon extraction and dissolution aid system with cyclobutane sulfone and tetraethylene glycol ether as the core, with cosolvent and defoamer, realizes the efficient separation of aromatic hydrocarbons and non-aromatic hydrocarbons; monoethanolamine controls the pH value of the system to inhibit acid corrosion and build a full-dimensional process support system for
7. S Zorb, sulfur recovery, hydrogen production plant: environmental protection and supporting core auxiliary system 7. S Zorb, sulfur recovery, hydrogen production plant: environmental protection and supporting core auxiliary system
S Zorb device, as the core device of gasoline ultra-clean desulfurization, relies on special desulfurization adsorbent to achieve ultra-low sulfur gasoline production, and is a key supporting system for high-end clean gasoline production with anti-coking and scale inhibitors to solve the coking problem of the device. S Zorb device, as the core device of gasoline ultra-clean desulfurization, relies on special desulfurization adsorbent to achieve ultra-low sulfur gasoline production, and is a key supporting system for high-end clean gasoline production with anti-coking and scale inhibitors.
The sulfur recovery device is the core device of the refinery's environmental protection. It relies on the Claus reaction catalyst and the tail gas hydrogenation catalyst to realize the recovery of hydrogen sulfide resources and the emission of the tail gas. It is matched with the MDEA high-efficiency desulfurization agent, sulfur production and anti-sticking agent, and deodorant. It takes into account the quality of sulfur products, equipment operation and environmental protection deodorization in the factory area. It is the core guarantee for the recycling of sulfur resources in the refinery. The sulfur recovery device is the core device of environmental protection in the refinery. It relies on the Claus reaction catalyst and the tail gas hydrogenation catalyst to realize the recovery of hydrogen sulfide resources and the emission of the tail gas. It is matched with the MDEA high-efficiency desulfurization agent, sulfur production and anti-sticking agent, and deodorizer. It takes into account the quality of sulfur products, equipment operation and
The three-agent system of the hydrogen production unit is built around the three-agent system of the hydrogen production unit: raw material purification, reaction conversion, gas refining raw material purification, reaction conversion, gas refining : desulfurization, dechlorination additives pre-purify raw materials, protect back-end catalysts; conversion and transformation catalysts realize hydrocarbon hydrogen production and CO conversion; methanation catalysts and pressure swing adsorption adsorbents complete deep purification of hydrogen, and the whole system guarantees the stable supply of high-purity hydrogen to the refinery, providing raw material support for the hydrogenation unit in the whole plant. Construction: Desulfurization and dechlorination additives pre-purify raw materials and protect back-end catalysts; conversion and transformation catalysts realize hydrocarbon hydrogen production and CO conversion; methanation catalysts and pressure swing adsorption adsorbents complete deep purification of hydrogen, and the whole system guarantees the stable supply of high-purity hydrogen to the refinery, providing raw material support for the hydrogenation unit in the whole plant.8. Post-refining and lubricating oil series equipment: oil quality improvement system 8. Post-refining and lubricating oil series equipment: oil quality improvement system
Furfural refining, ketobenzene dewaxing, clay refining, paraffin hydrogenation, and lubricating oil units belong to the deep refining unit of oil products. The core purpose is to remove impurities, improve the physical and chemical properties of oil products, and adapt to high-end lubricating oil and paraffin product standards. Furfural is used as a selective extraction solvent to separate non-ideal components of lubricating oil; ketobenzene double solvent system to achieve dewaxing and condensation of lubricating oil; activated clay and denitrification agent adsorption decolorization and deimpurity; paraffin hydrogenation catalyst to achieve product refining and quality improvement; lubricating oil protective agent long-term protection of the main catalyst to ensure the stability of high-end oil quality. Furfural refining, ketobenzene dewaxing, clay refining, paraffin hydrogenation, and lubricating oil units belong to the deep refining unit of oil products. The core purpose is to remove impurities, improve the physical and chemical properties of oil products, and adapt to high-end lubricating oil and paraffin product standards. Furfural is used as a selective extraction solvent to separate non-ideal components of lubricating oil; the ketobenzene double-solvent system realizes lubricating oil dewaxing and coagulation; active clay and denitrification agent adsorption decolorization and deimpurity; paraffin hydrogenation catalyst realizes product refining and quality improvement; lubricating oil protective agent protects the main catalyst for a long time to ensure the stability of high-end oil quality.
9. Alkylation and storage and transportation devices: product modification and end point guarantee system 9. Alkylation and storage and transportation devices: product modification and end point guarantee system
The alkylation device relies on hydrorefining, molecular sieve adsorption, and solid/liquid acid catalysts to produce high-octane clean alkylated oil, which is the core device for high-grade gasoline blending. The alkylation device relies on hydrorefining, molecular sieve adsorption, and solid/liquid acid catalysts to produce high-octane clean alkylated oil, which is the core device for high-grade gasoline blending.
The three agents of the storage and transportation device are the last line of defense for the quality of the finished oil end point to meet the standard, which is different from the device process additives. Its core function is that the three agents of the storage and transportation device are the last line of defense for the quality of the finished oil end point to meet the standard. Different from the device process additives, its core function is end point oil modification, safety prevention and control, long-term stability . Antioxidants and cetane number improvers regulate the combustion performance of oil products; antioxidants and stability improvers inhibit the oxidation of oil raw rubber; antiwear agents and pour point depressants improve the lubricity and low temperature fluidity of oil products; antistatic agents eliminate the risk of static electricity during storage and transportation, and comprehensively ensure the safety and compliance of oil storage, transportation, and use...... Antiknock agents and cetane number improvers regulate the combustion performance of oil products; antioxidants and stability improvers inhibit the oxidation of oil raw rubber; antiwear agents and pour point depressants improve the lubricity and low temperature fluidity of oil products; antistatic agents eliminate the risk of static electricity during storage and transportation, and comprehensively ensure the safety and compliance of oil storage, transportation, and use.
10. Industry-exclusive in-depth summary: the core technical logic and industrial value of the three oil refining agents 10. Industry-exclusive in-depth summary: the core technical logic and industrial value of the three oil refining agents
Looking at the three-agent system of the whole plant, the three core and bottom laws of refining three agents can be summarized, which are also the core professional characteristics that are different from ordinary chemical additives. First, looking at the three-agent system of the whole plant, the three core and bottom laws of refining three agents can be summarized, which are also the core professional characteristics that are different from ordinary chemical additives. First, three agents have extremely strong device specificity and working condition adaptability Three agents have extremely strong device specificity and working condition adaptability , there is no universal three agents, different device temperature, pressure, medium, reaction system is different, the corresponding catalyst, auxiliary agent, dissolution auxiliary agent formula, function and mechanism are completely differentiated, and the process pain points of the precise adaptation device are precisely adapted., There is no universal three agents, different device temperature, pressure, medium and reaction system are different, the corresponding catalyst, auxiliary agent, dissolution auxiliary agent formula, function and mechanism are completely differentiated, and the process pain points of the precise adaptation device.
Second, second, three agents are the invisible cores of refinery cost reduction and efficiency increase, energy saving and carbon reduction. The three agents are the invisible cores of refinery cost reduction and efficiency increase, energy saving and carbon reduction . Hardware equipment determines the upper limit of the capacity of the device, while the three agents determine the actual operating efficiency of the device, product yield, energy consumption level, maintenance cycle and environmental protection indicators. High-quality three agents can effectively reduce catalyst loss, reduce scaling and corrosion of the device, prolong the operating cycle, and improve the yield of high value-added products. They are the core breakthrough points for refinery fine management, cost reduction and efficiency increase... Hardware equipment determines the upper limit of the capacity of the device, while the three agents determine the actual operating efficiency of the device, product yield, energy consumption level, maintenance cycle and environmental protection indicators. High-quality three-agent can effectively reduce catalyst loss, reduce scaling and corrosion of the device, prolong the operation cycle, and improve the yield of high-value-added products. It is the core breakthrough point for refinery fine management, cost reduction and efficiency increase.
Third, third, The iteration of the three-agent system is the core direction of refining technology upgrading The iteration of the three-agent system is the core direction of refining technology upgrading . From high-pollution, low-selectivity traditional additives, to low-toxicity, high-efficiency, long-lasting, and green new three-agent, from general-purpose additives to device-specific precision additives, the technical iteration of the three-agent directly promotes the transformation of the refining industry to cleanliness, high-end, low-carbonization, and refinement. It is the core soft support technology for the high-quality development of the modern refining industry... From high-pollution, low-selectivity traditional additives to low-toxicity, high-efficiency, long-lasting, and green new three-agent, from general-purpose additives to device-specific precision additives, the technical iteration of the three-agent directly promotes the refining industry to clean, high-end, low-carbon, and refined transformation. It is the core soft support technology for the high-quality development of the modern refining industry.
Note: The summary of chemical three agents will be launched in the future, so stay tuned. Note: The summary of chemical three agents will be launched in the future, so stay tuned
| (Note: Parts of the document may be AI-generated) | (Note: Parts of the document may be AI-generated)
