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 PDF

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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
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CN
China
Prior art keywords
reactor
still
dropping
diuron
production
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
Application number
CN201420306770.4U
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Chinese (zh)
Inventor
高焰兵
黄金祥
过学军
李波
杨小明
胡安胜
吴建平
程伟家
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Guangxin Agrochemcial Co Ltd
Original Assignee
Anhui Guangxin Agrochemcial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Guangxin Agrochemcial Co Ltd filed Critical Anhui Guangxin Agrochemcial Co Ltd
Priority to CN201420306770.4U priority Critical patent/CN204017823U/en
Application granted granted Critical
Publication of CN204017823U publication Critical patent/CN204017823U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of reaction unit for the production of diuron intermediate
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.
CN201420306770.4U 2014-06-10 2014-06-10 A kind of reaction unit for the production of diuron intermediate Expired - Fee Related CN204017823U (en)

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)

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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