CN204017823U - A kind of reaction unit for the production of diuron intermediate - Google Patents
A kind of reaction unit for the production of diuron intermediate Download PDFInfo
- Publication number
- CN204017823U CN204017823U CN201420306770.4U CN201420306770U CN204017823U CN 204017823 U CN204017823 U CN 204017823U CN 201420306770 U CN201420306770 U CN 201420306770U CN 204017823 U CN204017823 U CN 204017823U
- Authority
- CN
- China
- Prior art keywords
- reactor
- still
- diuron
- dropping
- dropping liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000005510 Diuron Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 36
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 abstract description 11
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007086 side reaction Methods 0.000 abstract description 6
- 208000012839 conversion disease Diseases 0.000 abstract description 5
- 238000003541 multi-stage reaction Methods 0.000 abstract description 5
- DADSZOFTIIETSV-UHFFFAOYSA-N n,n-dichloroaniline Chemical compound ClN(Cl)C1=CC=CC=C1 DADSZOFTIIETSV-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model provides a kind of reaction unit for the production of diuron intermediate, comprise reactor, the bottom of reactor is provided with bracing frame, in reactor, be provided with agitating device, the top of reactor is provided with motor, motor is connected by shaft coupling with agitating device, one sidewall of reactor is provided with toluene feed mouth, another sidewall of reactor is provided with phosgene entrance, the top of reactor is provided with gas outlet, the sidewall of reactor is provided with air inlet, reactor madial wall is provided with temperature controller and pressure tester, reactor top is inserted with thermometer, reactor bottom is provided with discharging opening.The utility model has increased aniline and has dripped still on reactor, stepwise reaction like this, but saved again technique, can control at any time amount, time, temperature and the pressure of reaction, just reduced the generation of side reaction thing in process, reaction conversion ratio has just promoted 8%, has greatly improved product quality and yield.
Description
Technical field
The utility model relates to the production of producing diuron, is specifically related to a kind of reaction unit for the production of diuron intermediate.
Background technology
Diuron in preparation passes through to generate 3, in 4-dichloro-benzenes isocyanates process, what adopt is first dichloroaniline to be dissolved in toluene and then in reactor and to add toluene, drip the mixed liquor of dichloroaniline solution and toluene, reactions steps is many, and reaction condition is not easy to control, and the side reaction therefore generating is also more, therefore directly affect the processing of postorder operation, just affected quality and the yield of product.
Utility model content
For above the deficiencies in the prior art, the utility model provides a kind of reaction unit for the production of diuron intermediate, has improved quality and the yield of product.
The utility model is achieved through the following technical solutions:
A kind of reaction unit for the production of diuron intermediate, comprise bracing frame, bracing frame top is provided with gripper shoe, in bracing frame, be provided with reactor, the bottom of reactor is provided with underframe, in reactor, be provided with agitating device, the top of reactor is provided with motor, motor is connected by shaft coupling with agitating device, one sidewall of reactor is provided with toluene feed mouth, another sidewall of reactor is provided with phosgene entrance, the top of reactor is provided with gas outlet, the sidewall of reactor is provided with air inlet, reactor madial wall is provided with temperature controller and pressure tester, reactor top is inserted with thermometer, reactor bottom is provided with discharging opening, gripper shoe is provided with dropping still, drip still bottom and be provided with a pair of dropping liquid pipeline, the liquid feeding end of dropping liquid pipeline is connected with the top at reactor, drip between still and dropping liquid pipeline and be connected with constant voltage pipe, and constant voltage pipe communicates with dropping still and dropping liquid pipeline, dropping liquid pipeline is provided with switch valve with the junction that drips still, is also provided with flow rate test device on dropping liquid pipeline, between the outer wall of dropping still and gripper shoe, is fixed with L-type fixed block.
One side of L-type fixed block is fixed by fixed screw with dripping still outer wall, between the opposite side of L-type fixed block and gripper shoe, also by fixed screw, fixes.
Drip still bottom and be provided with direction to the groove in still, minim pipette road outlet end is connected in the bottom of groove.
Motor is located between two dropping liquid pipelines.
Drip the top that still is positioned at reactor.
Operation principle: toluene is sent in reactor by toluene feed mouth, phosgene entrance passes into phosgene, open the switch valve that drips tank, carry out dripping dichloroaniline solution in reactor, motor provides power, agitating device in reactor stirs, gas outlet by reactor is extracted gas and can control the pressure in reactor in air intake air inlet out, can carry out the control of pressure in reactor, pressure tester is the pressure in test reaction still at any time, temperature controller can be controlled the temperature in reactor, the pressure that the constant voltage pipe being provided with between dropping still and dropping liquid pipeline can keep dripping in still is under pressure constant state when dripping liquid, the flow rate test device that dropping liquid pipeline is provided with can be tested the amount that drips liquid, when dripping still bottom and being provided with a pair of dropping liquid pipeline that groove bottom is connected with and can driving switch valve at the same time, accelerate or the more amount that drips liquid of controlling, can close simultaneously, according to the amount of reaction needed, can control monolateral switch valve controls, therefore such stepwise reaction, but saved technique, can control at any time the amount of reaction, time, temperature and pressure, just reduced the generation of side reaction thing in process, reaction conversion ratio has just promoted 8%, product quality and yield have greatly been improved.
The beneficial effects of the utility model are: on reactor, increased aniline and dripped still, stepwise reaction like this, but saved again technique, can control at any time amount, time, temperature and the pressure of reaction, just reduced the generation of side reaction thing in process, reaction conversion ratio has just promoted 8%, has greatly improved product quality and yield.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 is reactor; 2 is underframe; 3 is bracing frame; 4 is agitating device; 5 is motor; 6 is shaft coupling; 7 is toluene feed mouth; 8 is phosgene entrance; 9 is gas outlet; 10 is air inlet; 11 is temperature controller; 12 is pressure tester; 13 is thermometer; 14 is discharging opening; 15 is gripper shoe; 16 for dripping still; 17 is dropping liquid pipeline; 18 is constant voltage pipe; 19 is switch valve; 20 is flow rate test device; 21 is L-type fixed block; 22 is fixed screw; 23 is groove.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
The utility model provides a kind of reaction unit for the production of diuron intermediate, bracing frame top is provided with gripper shoe, in bracing frame, be provided with reactor, the bottom of reactor is provided with underframe, in reactor, be provided with agitating device, the top of reactor is provided with motor, motor is connected by shaft coupling with agitating device, one sidewall of reactor is provided with toluene feed mouth, another sidewall of reactor is provided with phosgene entrance, the top of reactor is provided with gas outlet, the sidewall of reactor is provided with air inlet, can control the pressure in reactor, reactor madial wall is provided with temperature controller and pressure tester, pressure in can test reaction still and control the temperature in reactor, reactor top is inserted with thermometer, reactor bottom is provided with discharging opening, gripper shoe is provided with dropping still, drip still bottom and be provided with a pair of dropping liquid pipeline, the liquid feeding end of dropping liquid pipeline is connected with the top at reactor, drip between still and dropping liquid pipeline and be connected with constant voltage pipe, and constant voltage pipe communicates with dropping still and dropping liquid pipeline, dropping liquid pipeline is provided with switch valve with the junction that drips still, is also provided with flow rate test device on dropping liquid pipeline, between the outer wall of dropping still and gripper shoe, is fixed with L-type fixed block, one side of L-type fixed block is fixed by fixed screw with dripping still outer wall, and for convenience detach and installation, also fixes by fixed screw between the opposite side of L-type fixed block and gripper shoe, can be good at fixing dropping still, drip still bottom and be provided with direction to the groove in still, minim pipette road outlet end is connected in the bottom of groove, is beneficial to two dropping liquid pipelines and synchronously drips simultaneously, motor is located between two dropping liquid pipelines, drip the top that still is positioned at reactor, convenient dropping.
By toluene feed mouth, toluene is sent in reactor, phosgene entrance passes into phosgene, open the switch valve that drips tank, carry out dripping dichloroaniline solution in reactor, motor provides power, agitating device in reactor stirs, gas outlet by reactor is extracted gas and can control the pressure in reactor in air intake air inlet out, can carry out the control of pressure in reactor, pressure tester is the pressure in test reaction still at any time, temperature controller can be controlled the temperature in reactor, the pressure that the constant voltage pipe being provided with between dropping still and dropping liquid pipeline can keep dripping in still is under pressure constant state when dripping liquid, the flow rate test device that dropping liquid pipeline is provided with can be tested the amount that drips liquid, when dripping still bottom and being provided with a pair of dropping liquid pipeline that groove bottom is connected with and can driving switch valve at the same time, accelerate or the more amount that drips liquid of controlling, can close simultaneously, according to the amount of reaction needed, can control monolateral switch valve controls, therefore such stepwise reaction, but saved technique, can control at any time the amount of reaction, time, temperature and pressure, just reduced the generation of side reaction thing in process, reaction conversion ratio has just promoted 8%, product quality and yield have greatly been improved.
The utility model has increased aniline and has dripped still on reactor, stepwise reaction like this, but saved again technique, can control at any time amount, time, temperature and the pressure of reaction, just reduced the generation of side reaction thing in process, reaction conversion ratio has just promoted 8%, has greatly improved product quality and yield.
Claims (5)
1. the reaction unit for the production of diuron intermediate, comprise bracing frame, bracing frame top is provided with gripper shoe, it is characterized in that: in bracing frame, be provided with reactor, the bottom of reactor is provided with underframe, in reactor, be provided with agitating device, the top of reactor is provided with motor, motor is connected by shaft coupling with agitating device, one sidewall of reactor is provided with toluene feed mouth, another sidewall of reactor is provided with phosgene entrance, the top of reactor is provided with gas outlet, the sidewall of reactor is provided with air inlet, reactor madial wall is provided with temperature controller and pressure tester, reactor top is inserted with thermometer, reactor bottom is provided with discharging opening, gripper shoe is provided with dropping still, drip still bottom and be provided with a pair of dropping liquid pipeline, the liquid feeding end of dropping liquid pipeline is connected with the top at reactor, drip between still and dropping liquid pipeline and be connected with constant voltage pipe, and constant voltage pipe communicates with dropping still and dropping liquid pipeline, dropping liquid pipeline is provided with switch valve with the junction that drips still, is also provided with flow rate test device on dropping liquid pipeline, between the outer wall of dropping still and gripper shoe, is fixed with L-type fixed block.
2. a kind of reaction unit for the production of diuron intermediate according to claim 1, it is characterized in that: a side of L-type fixed block is fixed by fixed screw with dripping still outer wall, between the opposite side of L-type fixed block and gripper shoe, also by fixed screw, fixes.
3. a kind of reaction unit for the production of diuron intermediate according to claim 1, is characterized in that: drip still bottom and be provided with direction to the groove in still, minim pipette road outlet end is connected in the bottom of groove.
4. a kind of reaction unit for the production of diuron intermediate according to claim 1, is characterized in that: motor is located between two dropping liquid pipelines.
5. a kind of reaction unit for the production of diuron intermediate according to claim 1, is characterized in that: drip the top that still is positioned at reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306770.4U CN204017823U (en) | 2014-06-10 | 2014-06-10 | A kind of reaction unit for the production of diuron intermediate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306770.4U CN204017823U (en) | 2014-06-10 | 2014-06-10 | A kind of reaction unit for the production of diuron intermediate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017823U true CN204017823U (en) | 2014-12-17 |
Family
ID=52057736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306770.4U Expired - Fee Related CN204017823U (en) | 2014-06-10 | 2014-06-10 | A kind of reaction unit for the production of diuron intermediate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204017823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094289A (en) * | 2020-10-06 | 2020-12-18 | 中船重工（邯郸）派瑞特种气体有限公司 | Production method and equipment of trimethylsilyl trifluoromethanesulfonate |
| CN114210289A (en) * | 2021-12-31 | 2022-03-22 | 夏剑锋 | Production process of p-phenylene diisocyanate |
-
2014
- 2014-06-10 CN CN201420306770.4U patent/CN204017823U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094289A (en) * | 2020-10-06 | 2020-12-18 | 中船重工（邯郸）派瑞特种气体有限公司 | Production method and equipment of trimethylsilyl trifluoromethanesulfonate |
| CN112094289B (en) * | 2020-10-06 | 2023-05-09 | 中船(邯郸)派瑞特种气体股份有限公司 | Production method and equipment of trifluoromethane sulfonate trimethyl silicone ester |
| CN114210289A (en) * | 2021-12-31 | 2022-03-22 | 夏剑锋 | Production process of p-phenylene diisocyanate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180610 |