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Adipic Acid Continuous Reaction System
Adipic Acid Continuous Reaction System
The adipic acid continuous reaction unit is primarily used for research into the continuous production of adipic acid from cyclohexane under catalytic conditions. The customer plans to build a set of adipic acid continuous reaction equipment, mainly for evaluating and studying the process, exploring precise process parameters, and obtaining data on product distribution and product properties through sampling, analysis, evaluation, and data processing—providing foundational design data for both laboratory-scale and industrial-scale process development. YanZheng Instruments can customize complete reaction systems according to customers’ specific process requirements.
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Product Description
The adipic acid continuous reaction unit is primarily used for research into the continuous production of adipic acid from cyclohexane via catalytic processes. The customer plans to build a set of adipic acid continuous reaction units, mainly for evaluating and studying the process, exploring precise process parameters, and obtaining data on product distribution and product properties through sampling, analysis, evaluation, and data processing—providing foundational design data for both pilot-scale and industrial-scale process design. Yan Zheng Instruments can customize complete reaction systems according to customers’ process requirements.
Introduction to the Plant Process
The main components of this unit consist of three high‑pressure reactors connected in series. Each reactor is equipped with an oil bath heating system and features built‑in cooling coils for temperature reduction. The unit is also outfitted with continuous feed of raw materials, storage for the discharged reaction liquid, as well as online sampling, analysis, and monitoring capabilities. The unit comprises a gas feed unit, a liquid feed unit, a reaction unit, a separation unit, and a utilities unit. The reactors are designed for a maximum operating temperature of 200°C and a maximum operating pressure of 5 MPa. Liquid feed is controlled and metered via interlocked electronic balances and metering pumps. The unit is designed and constructed as a laboratory-scale experimental setup and is intended for indoor use.
The main pumps, instruments, and pipe valves in the unit all utilize high‑quality imported brands. Non‑standard components in the unit are made from corrosion‑resistant materials. The unit is equipped with a DCS control system and features multi‑level critical protection systems to ensure the safety of both the equipment and the operating personnel.
1. Gas Feed Unit Design
Standard pneumatic circuit design: a gas filter is installed upstream of the pressure regulator, and dual pressure gauges are mounted both before and after the pressure regulator, with panel mounting used.
The nitrogen gas line can perform nitrogen purging, pressure boosting, and pressurization operations.
The nitrogen system is equipped with a dedicated nitrogen pressure regulator, enabling nitrogen blanketing of both the raw material tank and the product tank, offering a wide range of functions and a well‑balanced configuration.
The air lines for the reaction vessel are independently configured to prevent interference between different air circuits.
A gas filter is installed upstream of the flowmeter, and a bypass is provided.
2. Liquid Feed Unit Design
The cyclohexane storage tank has a volume of 10 L, is made of 316L stainless steel, and is rated for a pressure of 0.3 MPa at ambient temperature. It is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The acetic acid storage tank has a volume of 20 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at temperatures between 50 and 60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The circulating liquid storage tank has a volume of 10 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at a temperature of 50–60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The initiator storage tank has a volume of 1 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, operates at ambient temperature, and is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is weighed using an electronic balance.
The catalyst batching tank is a mixing tank with a volume of 1 L, constructed from 316L stainless steel, capable of withstanding a pressure of 0.3 MPa and operating at temperatures between 50 and 60°C. It is designed with a nitrogen sealing port, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The pump inlet is equipped with a filter, while the pump outlet is fitted with a drain valve, a pressure gauge, a safety valve, and a check valve.
The pump outlet safety valve is part of the safety circuit design. When the pump outlet pipeline becomes blocked, the safety valve circuit automatically opens under overpressure, causing the material at the pump outlet to recirculate back to the pump inlet and preventing overpressure from damaging the pump.
3. Reactor Unit Design
The reactor is a jacketed vessel equipped with an oil bath system for pre-reaction heating and temperature maintenance during the reaction; it features built‑in cooling coils and utilizes an oil bath.
System cooling, oil bath temperature control, with built‑in temperature sensors in the reactor.
The reactor uses paddle agitation and is made of titanium.
The reactor is equipped with a precision pressure gauge, a safety valve, and a pressure sensor.
4. Separation Unit Design
The exhaust gas is deeply cooled in a cryogenic cooler, then separated into gas and liquid phases in a gas–liquid separator. The liquid phase is returned to the system via reflux, while the gas phase is analyzed for its compositional components and routed to the main vent header. After being further cooled in the cryogenic cooler and undergoing gas–liquid separation, the gas phase is metered by a gas flowmeter and vented after passing through a backpressure valve.
- Product Description
- Technical parameters
- Product Details Chart
-
Details
The adipic acid continuous reaction unit is primarily used for research into the continuous production of adipic acid from cyclohexane via catalytic processes. The customer plans to build a set of adipic acid continuous reaction units, mainly for evaluating and studying the process, exploring precise process parameters, and obtaining data on product distribution and product properties through sampling, analysis, evaluation, and data processing—providing foundational design data for both pilot-scale and industrial-scale process design. Yan Zheng Instruments can customize complete reaction systems according to customers’ process requirements.
Introduction to the Plant Process
The main components of this unit consist of three high‑pressure reactors connected in series. Each reactor is equipped with an oil bath heating system and features built‑in cooling coils for temperature reduction. The unit is also outfitted with continuous feed of raw materials, storage for the discharged reaction liquid, as well as online sampling, analysis, and monitoring capabilities. The unit comprises a gas feed unit, a liquid feed unit, a reaction unit, a separation unit, and a utilities unit. The reactors are designed for a maximum operating temperature of 200°C and a maximum operating pressure of 5 MPa. Liquid feed is controlled and metered via interlocked electronic balances and metering pumps. The unit is designed and constructed as a laboratory-scale experimental setup and is intended for indoor use.
The main pumps, instruments, and pipe valves in the unit all utilize high‑quality imported brands. Non‑standard components in the unit are made from corrosion‑resistant materials. The unit is equipped with a DCS control system and features multi‑level critical protection systems to ensure the safety of both the equipment and the operating personnel.
1. Gas Feed Unit Design
Standard pneumatic circuit design: a gas filter is installed upstream of the pressure regulator, and dual pressure gauges are mounted both before and after the pressure regulator, with panel mounting used.
The nitrogen gas line can perform nitrogen purging, pressure boosting, and pressurization operations.
The nitrogen system is equipped with a dedicated nitrogen pressure regulator, enabling nitrogen blanketing of both the raw material tank and the product tank, offering a wide range of functions and a well‑balanced configuration.
The air lines for the reaction vessel are independently configured to prevent interference between different air circuits.
A gas filter is installed upstream of the flowmeter, and a bypass is provided.
2. Liquid Feed Unit Design
The cyclohexane storage tank has a volume of 10 L, is made of 316L stainless steel, and is rated for a pressure of 0.3 MPa at ambient temperature. It is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The acetic acid storage tank has a volume of 20 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at temperatures between 50 and 60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The circulating liquid storage tank has a volume of 10 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at a temperature of 50–60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The initiator storage tank has a volume of 1 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, operates at ambient temperature, and is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is weighed using an electronic balance.
The catalyst batching tank is a mixing tank with a volume of 1 L, constructed from 316L stainless steel, capable of withstanding a pressure of 0.3 MPa and operating at temperatures between 50 and 60°C. It is designed with a nitrogen sealing port, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The pump inlet is equipped with a filter, while the pump outlet is fitted with a drain valve, a pressure gauge, a safety valve, and a check valve.
The pump outlet safety valve is part of the safety circuit design. When the pump outlet pipeline becomes blocked, the safety valve circuit automatically opens under overpressure, causing the material at the pump outlet to recirculate back to the pump inlet and preventing overpressure from damaging the pump.
3. Reactor Unit Design
The reactor is a jacketed vessel equipped with an oil bath system for pre-reaction heating and temperature maintenance during the reaction; it features built‑in cooling coils and utilizes an oil bath.
System cooling, oil bath temperature control, with built‑in temperature sensors in the reactor.
The reactor uses paddle agitation and is made of titanium.
The reactor is equipped with a precision pressure gauge, a safety valve, and a pressure sensor.
4. Separation Unit Design
The exhaust gas is deeply cooled in a cryogenic cooler, then separated into gas and liquid phases in a gas–liquid separator. The liquid phase is returned to the system via reflux, while the gas phase is analyzed for its compositional components and routed to the main vent header. After being further cooled in the cryogenic cooler and undergoing gas–liquid separation, the gas phase is metered by a gas flowmeter and vented after passing through a backpressure valve.
- Product Description
- Technical parameters
- Product Details Chart
-
The adipic acid continuous reaction unit is primarily used for research into the continuous production of adipic acid from cyclohexane via catalytic processes. The customer plans to build a set of adipic acid continuous reaction units, mainly for evaluating and studying the process, exploring precise process parameters, and obtaining data on product distribution and product properties through sampling, analysis, evaluation, and data processing—providing foundational design data for both pilot-scale and industrial-scale process design. Yan Zheng Instruments can customize complete reaction systems according to customers’ process requirements.
Introduction to the Plant Process
The main components of this unit consist of three high‑pressure reactors connected in series. Each reactor is equipped with an oil bath heating system and features built‑in cooling coils for temperature reduction. The unit is also outfitted with continuous feed of raw materials, storage for the discharged reaction liquid, as well as online sampling, analysis, and monitoring capabilities. The unit comprises a gas feed unit, a liquid feed unit, a reaction unit, a separation unit, and a utilities unit. The reactors are designed for a maximum operating temperature of 200°C and a maximum operating pressure of 5 MPa. Liquid feed is controlled and metered via interlocked electronic balances and metering pumps. The unit is designed and constructed as a laboratory-scale experimental setup and is intended for indoor use.
The main pumps, instruments, and pipe valves in the unit all utilize high‑quality imported brands. Non‑standard components in the unit are made from corrosion‑resistant materials. The unit is equipped with a DCS control system and features multi‑level critical protection systems to ensure the safety of both the equipment and the operating personnel.
1. Gas Feed Unit Design
Standard pneumatic circuit design: a gas filter is installed upstream of the pressure regulator, and dual pressure gauges are mounted both before and after the pressure regulator, with panel mounting used.
The nitrogen gas line can perform nitrogen purging, pressure boosting, and pressurization operations.
The nitrogen system is equipped with a dedicated nitrogen pressure regulator, enabling nitrogen blanketing of both the raw material tank and the product tank, offering a wide range of functions and a well‑balanced configuration.
The air lines for the reaction vessel are independently configured to prevent interference between different air circuits.
A gas filter is installed upstream of the flowmeter, and a bypass is provided.
2. Liquid Feed Unit Design
The cyclohexane storage tank has a volume of 10 L, is made of 316L stainless steel, and is rated for a pressure of 0.3 MPa at ambient temperature. It is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The acetic acid storage tank has a volume of 20 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at temperatures between 50 and 60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The circulating liquid storage tank has a volume of 10 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, and operates at a temperature of 50–60°C. It is equipped with a nitrogen seal, a pressure gauge port, and a material inlet, and is fitted with an electronic balance for weighing and pipeline heating.
The initiator storage tank has a volume of 1 L, is made of 316L stainless steel, withstands a pressure of 0.3 MPa, operates at ambient temperature, and is designed with a nitrogen seal, a pressure gauge port, a material inlet, and is weighed using an electronic balance.
The catalyst batching tank is a mixing tank with a volume of 1 L, constructed from 316L stainless steel, capable of withstanding a pressure of 0.3 MPa and operating at temperatures between 50 and 60°C. It is designed with a nitrogen sealing port, a pressure gauge port, a material inlet, and is equipped with an electronic balance for weighing.
The pump inlet is equipped with a filter, while the pump outlet is fitted with a drain valve, a pressure gauge, a safety valve, and a check valve.
The pump outlet safety valve is part of the safety circuit design. When the pump outlet pipeline becomes blocked, the safety valve circuit automatically opens under overpressure, causing the material at the pump outlet to recirculate back to the pump inlet and preventing overpressure from damaging the pump.
3. Reactor Unit Design
The reactor is a jacketed vessel equipped with an oil bath system for pre-reaction heating and temperature maintenance during the reaction; it features built‑in cooling coils and utilizes an oil bath.
System cooling, oil bath temperature control, with built‑in temperature sensors in the reactor.
The reactor uses paddle agitation and is made of titanium.
The reactor is equipped with a precision pressure gauge, a safety valve, and a pressure sensor.
4. Separation Unit Design
The exhaust gas is deeply cooled in a cryogenic cooler, then separated into gas and liquid phases in a gas–liquid separator. The liquid phase is returned to the system via reflux, while the gas phase is analyzed for its compositional components and routed to the main vent header. After being further cooled in the cryogenic cooler and undergoing gas–liquid separation, the gas phase is metered by a gas flowmeter and vented after passing through a backpressure valve.
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Headquarters Factory: No. 101-102, Lane 666, Xianing Road, Jinshan District, Shanghai
Telephone:021-55077056
E-mail:yly@yanzheng17.com
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