CN206535551U - A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate - Google Patents
A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate Download PDFInfo
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- CN206535551U CN206535551U CN201720266823.8U CN201720266823U CN206535551U CN 206535551 U CN206535551 U CN 206535551U CN 201720266823 U CN201720266823 U CN 201720266823U CN 206535551 U CN206535551 U CN 206535551U
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- reactor
- oxirane
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- heat exchange
- distributor
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Abstract
A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate, belongs to para-ester synthesis technical field.The reactor includes reactor body and the circulatory system；The circulatory system includes roots blower and circulation oxirane distributor；Roots blower enters tracheae end and is connected by pipeline with reactor upper end, outlet pipe end is connected with the circulation oxirane distributor of reactor lower inside by pipeline, it is provided for controlling the valve of gas flow on the pipeline, roots blower extracts the oxirane on reactor top out, it is recycled into again inside reactor, the flow direction of oxirane inside reactor and the flow direction of the liquid material added are on the contrary, formation convection current, increases touch opportunity；The outlet pipe end of roots blower sets pressure gauge, determines outlet back pressure.Carried out in the reactor in condensation reaction, the amount of ethylene oxide remained in reaction extraction raffinate is few, reduces the content of organics of sewage；Excessive gaseous ethylene oxide amount is reduced, and tail gas pollution degree is small.
Description
Technical field
The utility model belongs to para-ester synthesis technical field, and in particular to one kind improves contraposition ester production process middle ring oxygen
The reactor of ethane utilization rate.
Background technology
In the production process of para-ester, a very crucial step is the condensation of ASC and oxirane.In step reaction
In, it is necessary to gaseous ethylene oxide is passed through in the ASC solution through reduction, and oxirane is excessive.Generally deposited in the current technique
The problem of to be condensation reaction kettle designed using emptying, excessive oxirane (gaseous parts) can not Collection utilization, epoxy second
Alkane utilization rate is low, and ethane tail gas pollution is big.
Utility model content
In order to improve the utilization rate of oxirane, tail gas pollution and blowdown flow rate are reduced, production cost, the utility model is reduced
There is provided a kind of condensation reaction kettle, by improving the structure of traditional polycondensation reactor, the profit of condensation reaction ethylene oxide is improved
With rate, and then reduce the discharge capacity of excess ethylene oxide.
The technical solution of the utility model：
A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate, described reactor includes reactor
Body and the circulatory system；
The outermost layer of described reactor body is reactor housing 13, and the inner side of reactor housing 13 is heat exchange coil 9, instead
The heat exchange coil 9 of side in still shell body 13 is answered to be connected with heat exchange water inlet pipe 7, the heat exchange coil 9 of opposite side in reactor housing 13
It is connected with heat exchange outlet pipe 8, heat exchange water inlet pipe 7 and heat exchange outlet pipe 8 are respectively positioned on reactor body centre position, heat exchange coil 9
For the heat exchange of reactor body；Reactor upper end adds pipe 5 provided with feed pipe 1, blow-down pipe 2, oxirane air inlet pipe 4 and acid,
Agitating device 3 is stretched to inside reactor, and reactor lower inside arrangement adds oxirane distributor 10 and circulation epoxy second
Alkane distributor 11, the oxirane entered in reactor is evenly distributed on inside reactor, and reactor lower end is provided with vomit pipe
12；Feed pipe 1 by valve connect outside to acetamido benzene sulfinic acid sodium salt storage tank；Blow-down pipe 2 connects extraneous by valve
Air, for stablizing the pressure in reactor；The one end of oxirane air inlet pipe 4 connects oxirane storage tank by valve, another
End connection adds oxirane distributor 10, and oxirane is passed through into reactor；Acid adds the Valve controlling of pipe 5 into reactor
Add acid solution；
The described circulatory system includes roots blower 6 and circulation oxirane distributor 11；Roots blower 6 enters tracheae end and led to
Cross pipeline to be connected with reactor upper end, the circulation oxirane distributor 11 of outlet pipe end and reactor lower inside passes through pipeline
It is provided for controlling the valve of gas flow on connection, the pipeline, roots blower 6 extracts the oxirane on reactor top out,
It is recycled into again inside reactor, the flowing side of the flow direction of the oxirane inside reactor and the liquid material added
To on the contrary, formation convection current, increases touch opportunity；The outlet pipe end of roots blower 6 sets pressure gauge, determines outlet back pressure.
The beneficial effects of the utility model：
1. excessive oxirane is largely dissolved in reducing solution, and the part overflowed with gaseous state can be circulated point
It is dissipated in reaction material liquid, improves the reaction efficiency of oxirane, reduce the consumption of condensation section oxirane, reduces production cost.
2. in condensation reaction, the amount of ethylene oxide of residual is few compared with conventional method in reaction extraction raffinate (sewage), reduces sewage
Content of organics.
3. excessive gaseous ethylene oxide amount is reduced, tail gas pollution degree is small.
Brief description of the drawings
Fig. 1 is the structural representation of reactor.
In figure：1 feed pipe；2 blow-down pipes；3 agitating devices；4 oxirane air inlet pipe；5 acid add pipe；6 Roots
Blower fan；7 heat exchange water inlet pipes；8 heat exchange outlet pipes；9 heat exchange coils；10 add oxirane distributor；11 circulation epoxy second
Alkane distributor；12 vomit pipes；13 reactor housings.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, embodiment of the present utility model is further illustrated.
Embodiment
(1) reducing solution is added：The solution that ASC by reduction is formed with reducing agent puts into reactor from feed pipe 1.Herein
Need to open on the valve at blow-down pipe 2 before, it is ensured that reactor is in atmospheric pressure state, in order to adding for reducing solution.
(2) oxirane is added：Reducing solution is added finish after, start agitating device 3.Oxirane air inlet pipe is opened afterwards
4 add the valve at pipe 5 with acid, and sulfuric acid is synchronously added during oxirane is passed through.Pipe ring to be vented detects epoxy
Ethane gas, that is, the valve closed at blow-down pipe 2.Oxirane, which enters, adds oxirane distributor 10, dispersed to also
In stoste.In the process, the heat exchange water inlet pipe 7 of heat exchange coil 9 and the valve of heat exchange outlet pipe 8 are opened, it is suitable to maintain
Reaction temperature.
(3) ethylene oxide cycle：Roots blower 6 is opened, according to the technological requirement dosage and reactor of oxirane
Volume type selecting determines model selection of ID fan, it is ensured that outlet back pressure can overcome feed liquid and end socket headspace pressure institute in reactor
The total head brought.Whole oxirane add and condensation reaction in, maintain circulatory system continuous service.Roots's wind
Machine outlet is entered in feed liquid by circulating oxirane distributor 11.In the stage, excessive oxirane passes through roots blower
Circulation conveying, repeatedly, fully can be contacted with feed liquid, improve reaction efficiency.
(4) blowing：After liquid and oxirane to be restored fully react, stop the circulatory system, open the valve at vomit pipe 12
Door, opens the valve at blow-down pipe 2, is finished to blowing.
Claims (1)
1. a kind of reactor for improving contraposition ester production process ethylene oxide utilization rate, it is characterised in that described reactor
Including reactor body and the circulatory system；
It is heat exchange coil (9) on the inside of reactor housing (13), reactor housing (13) that the outermost layer of described reactor body, which is,
The heat exchange coil (9) of reactor housing (13) interior side is connected with heat exchange water inlet pipe (7), reactor housing (13) interior opposite side
Heat exchange coil (9) is connected with heat exchange outlet pipe (8), and heat exchange water inlet pipe (7) and heat exchange outlet pipe (8) are respectively positioned in reactor body
Between position, heat exchange coil (9) for reactor body exchange heat；Reactor upper end is provided with feed pipe (1), blow-down pipe (2), epoxy second
Alkane air inlet pipe (4) and acid add pipe (5), and agitating device (3) is stretched to inside reactor, and reactor lower inside arrangement adds ring
Oxidative ethane distributor (10) and circulation oxirane distributor (11), the oxirane entered in reactor is evenly distributed on instead
Answer inside kettle, reactor lower end is provided with vomit pipe (12)；Feed pipe (1) connects outside to acetamido benzene Asia sulphur by valve
Sour sodium storage tank；Blow-down pipe (2) connects outside air by valve, for stablizing the pressure in reactor；Oxirane air inlet pipe
(4) one end connects oxirane storage tank by valve, and other end connection adds oxirane distributor (10), led into reactor
Enter oxirane；Acid adds pipe (5) Valve controlling and acid solution is added into reactor；
The described circulatory system includes roots blower (6) and circulation oxirane distributor (11)；Roots blower (6) enters tracheae end
It is connected by pipeline with reactor upper end, the circulation oxirane distributor (11) of outlet pipe end and reactor lower inside passes through
Pipeline is connected, and is provided for controlling the valve of gas flow on the pipeline, and roots blower (6) is by the oxirane on reactor top
Extract out, be recycled into again inside reactor, the flow direction of the oxirane inside reactor and the liquid material that adds
Flow direction is on the contrary, formation convection current, increases touch opportunity；The outlet pipe end of roots blower (6) sets pressure gauge, it is determined that the outlet back of the body
Pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266823.8U CN206535551U (en) | 2017-03-17 | 2017-03-17 | A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266823.8U CN206535551U (en) | 2017-03-17 | 2017-03-17 | A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206535551U true CN206535551U (en) | 2017-10-03 |
Family
ID=59943583
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266823.8U Expired - Fee Related CN206535551U (en) | 2017-03-17 | 2017-03-17 | A kind of reactor for improving contraposition ester production process ethylene oxide utilization rate |
Country Status (1)
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Cited By (15)
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| US10987443B1 (en) | 2020-07-03 | 2021-04-27 | Chio Kang Medical, Inc. | Container sterilization device and system, assembling method thereof, and use thereof |
| US11085016B1 (en) | 2020-01-20 | 2021-08-10 | Chio Kang Medical, Inc. | Method for screening bacteria capable of degrading ethylene oxide |
| US11103608B1 (en) | 2020-07-03 | 2021-08-31 | Chio Kang Medical, Inc. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
| US11123449B1 (en) | 2020-07-03 | 2021-09-21 | Chio Kang Medical, Inc. | Mobile sterilization system, mobile execution system, and mobile analysis system |
| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| US11125498B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| WO2021184597A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11130095B1 (en) | 2020-03-18 | 2021-09-28 | Chio Kang Medical, Inc. | Sterilization exhaust gas treating system and method for treating ethylene oxide-containing sterilization exhaust gas by using the same |
| US11130939B2 (en) | 2020-01-20 | 2021-09-28 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and uses thereof |
| US11136253B1 (en) | 2020-03-18 | 2021-10-05 | Chio Kang Medical, Inc. | Microbiological treatment system for ethylene oxide exhaust gas |
| US11220667B2 (en) | 2020-01-20 | 2022-01-11 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and applications thereof |
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2017
- 2017-03-17 CN CN201720266823.8U patent/CN206535551U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
| US11085016B1 (en) | 2020-01-20 | 2021-08-10 | Chio Kang Medical, Inc. | Method for screening bacteria capable of degrading ethylene oxide |
| US11220667B2 (en) | 2020-01-20 | 2022-01-11 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and applications thereof |
| US11130939B2 (en) | 2020-01-20 | 2021-09-28 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and uses thereof |
| US11125498B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| WO2021184597A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11130095B1 (en) | 2020-03-18 | 2021-09-28 | Chio Kang Medical, Inc. | Sterilization exhaust gas treating system and method for treating ethylene oxide-containing sterilization exhaust gas by using the same |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| US11136253B1 (en) | 2020-03-18 | 2021-10-05 | Chio Kang Medical, Inc. | Microbiological treatment system for ethylene oxide exhaust gas |
| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| US11129914B1 (en) | 2020-03-19 | 2021-09-28 | Chio Kang Medical, Inc. | Ethylene oxide adsorption tower and recovery system, and method for recovering ethylene oxide |
| US11123449B1 (en) | 2020-07-03 | 2021-09-21 | Chio Kang Medical, Inc. | Mobile sterilization system, mobile execution system, and mobile analysis system |
| US10987443B1 (en) | 2020-07-03 | 2021-04-27 | Chio Kang Medical, Inc. | Container sterilization device and system, assembling method thereof, and use thereof |
| US11103608B1 (en) | 2020-07-03 | 2021-08-31 | Chio Kang Medical, Inc. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |