CN205761198U - A kind of carbendazim production process reduces the device of impurity - Google Patents

A kind of carbendazim production process reduces the device of impurity Download PDF

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Publication number
CN205761198U
CN205761198U CN201620474916.5U CN201620474916U CN205761198U CN 205761198 U CN205761198 U CN 205761198U CN 201620474916 U CN201620474916 U CN 201620474916U CN 205761198 U CN205761198 U CN 205761198U
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China
Prior art keywords
reactor
puddler
production process
impurity
motor
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Expired - Fee Related
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CN201620474916.5U
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Chinese (zh)
Inventor
钱潮涌
黄锋
黄晓平
金世友
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Anhui Dongzhi Guangxin Agrochemical Co Ltd
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Anhui Dongzhi Guangxin Agrochemical Co Ltd
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Priority to CN201620474916.5U priority Critical patent/CN205761198U/en
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Abstract

nullA kind of carbendazim production process reduces the device of impurity,Including reactor、Drive motor and shaft,Described reactor top center is provided with motor fixed rack,Motor fixed rack is provided with driving motor,Motor is driven to be connected with the shaft in reactor by variator,Shaft is sequentially provided with puddler from top to bottom、Many stirrer paddles and lower puddler,Described reactor inwall correspondence stirrer paddle is evenly distributed with multiple baffle plate arranged along vertical direction,Multiple jet thrust is along the circumferential direction distributed on reactor inwall below baffle plate,Jet thrust with reactor outside air supply pipe be connected,Reactor top side is provided with charging aperture、Water inlet pipe and relief tube,Described water inlet pipe is provided with entering water electromagnetic valve door,Relief tube is provided with pop off valve,This utility model simple in construction,Mix and blend is effective,Solution acidic is respond well,Conversion ratio is high,Greatly reduce the generation of by-product impurities.

Description

A kind of carbendazim production process reduces the device of impurity
Technical field
This utility model relates to technical field of chemical, specifically a kind of carbendazim production process The device of middle minimizing impurity.
Background technology
At present, the production of carbendazim is that phosgene and methanol mixed are reacted generation methylchloroformate, Then will react in the hydrolyzed solution of prepared methylchloroformate dropping lime nitrogen, reactant liquor is through filter pressing Obtain cyanamide base methyl formate;Filter pressing is obtained the mixing of cyanamide base methyl formate o-phenylenediamine, drips dense Hydrochloric acid generates carbendazim, and product obtains carbendazim through centrifuge dehydration, drying;Existing Technology, when producing cyanamide, uses lime nitrogen method to produce, owing to lime nitrogen decomposes in water in alkali Property, when therefore producing cyanamide, easily produce by-product 2,3 diaminophenol piperazines (DAP), cause The purity of cyanamide is the highest, affects the conversion ratio of cyanamide base methyl formate, and then affects carbendazim Purity and conversion ratio, the number of DAP content directly influences the quality of carbendazim.And use one Secondary property hydrolyzes, and during the stirring of existing hydrolysis kettle, mixed liquor can be beaten inside kettle along with stirring paddle Turn, mix and blend weak effect, therefore cause conversion ratio relatively low, lead to carbon dioxide such as simultaneously Fruit can not stir in time, then, in carbon dioxide can not be substantially dissolved in kettle in solution, lead Causing the acid effect within kettle bad, this also can reduce the conversion ratio of carbendazim.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, and mix and blend is effective, molten Liquid acidity is respond well, reduces the device of impurity in conversion ratio much higher bacterium spirit production process, with The problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of carbendazim production process reduces the device of impurity, including reactor, drives motor And shaft, described reactor top center is provided with motor fixed rack, on motor fixed rack It is provided with driving motor, drives motor to be connected with the shaft in reactor by variator, stirring Axle is sequentially provided with puddler, many stirrer paddles and lower puddler from top to bottom, described instead Still inwall correspondence stirrer paddle is answered to be evenly distributed with multiple baffle plate arranged along vertical direction, gear Multiple jet thrust, jet thrust and reaction are along the circumferential direction distributed on reactor inwall below plate Air supply pipe outside still is connected, and reactor top side is provided with charging aperture, water inlet pipe and release Pipe, described water inlet pipe is provided with entering water electromagnetic valve door, and relief tube is provided with pop off valve, institute Stating and be provided with drainage conduit bottom reactor, the reactor inner bottom above described drainage conduit is provided with arc Shape filters backstop.
As further program of the utility model, described drainage conduit is provided with discharge valve.
As further program of the utility model, described air supply pipe is provided with air-supplying valve.
As further program of the utility model, described upper puddler and lower puddler are equal For inverted " V " font, the length of lower puddler is more than upper puddler.
As further program of the utility model, described jet thrust is positioned at above lower puddler and sets Put.
Compared with prior art, the beneficial effects of the utility model are: shaft depends on from top to bottom Secondary puddler, many stirrer paddles and the lower puddler of being provided with, reactor inwall correspondence stirs Paddle blade is evenly distributed with multiple baffle plate arranged along vertical direction, and mixing liquid is at stirrer paddle The baffle plate in mixing, and knock-on reaction still inwall is rotated, it is possible to be prevented effectively from mixed under the effect of sheet Close liquid to spin inside kettle along with stirring paddle, it is ensured that material can mix full and uniform;Two Carbon oxide gas is imported in jet thrust by air supply pipe, is evenly distributed on reactor inwall circumference side Carbon dioxide can be sprayed into inside reactor from different positions by jet thrust upwards, coordinates Upper puddler, stirrer paddle and the stirring of lower puddler, carbon dioxide gas physical ability is the most molten In solution solution in reactor, it is ensured that the acidity within reactor is respond well, is greatly improved The conversion ratio of carbendazim, decreases the generation of by-product impurities;Arc above drainage conduit filters Backstop can effectively stop material to be discharged with product.This utility model simple in construction, mix and blend Effective, solution acidic is respond well, and conversion ratio is high, greatly reduces the life of by-product impurities Become.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device reducing impurity in a kind of carbendazim production process.
In figure: 1-reactor, 2-bracing frame, 3-variator, 4-motor fixed rack, 5- Baffle plate, 6-pop off valve, 7-drives motor, 8-water inlet pipe, 9-entering water electromagnetic valve door, 10- Charging aperture, the upper puddler of 11-, 12-stirrer paddle, 13-jet thrust, 14-drainage conduit, 15- Lower puddler, 16-arc filters backstop.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment Technical scheme be clearly and completely described, it is clear that described embodiment be only this The a part of embodiment of utility model rather than whole embodiments.Based in this utility model Embodiment, those of ordinary skill in the art are obtained under not making creative work premise Every other embodiment, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of carbendazim production process reduces The device of impurity, including bottom be fixed on bracing frame 2 reactor 1, drive motor 7 and Shaft, described reactor 1 top center is provided with motor fixed rack 4, motor fixed rack 4 are provided with driving motor 7, drive motor 7 by variator 3 and the stirring in reactor 1 Axle connects, and shaft is sequentially provided with puddler 11, many stirrer paddles 12 from top to bottom With lower puddler 15, described reactor 1 inwall correspondence stirrer paddle 12 is evenly distributed with many The individual baffle plate 5 arranged along vertical direction, circumferentially square on reactor 1 inwall below baffle plate 5 To multiple jet thrust 13 is distributed, jet thrust 13 with reactor 1 outside air supply pipe 4 be connected, Reactor 1 top side is provided with charging aperture 10, water inlet pipe 8 and relief tube, described water inlet Pipe 8 is provided with entering water electromagnetic valve door 9, and relief tube is provided with pop off valve 6, pressure security The gas pressure that valve 6 is excessive in release reaction still 1, the row of being provided with bottom described reactor 1 Material pipe 14, the reactor inner bottom above described drainage conduit 14 is provided with arc and filters backstop 16.
In this utility model embodiment, described drainage conduit 14 is provided with discharge valve.
In this utility model embodiment, described air supply pipe 4 is provided with air-supplying valve, steam supply valve Gate control carbon dioxide enters in reactor 1.
In this utility model embodiment, described upper puddler 11 and lower puddler 15 are Inverted " V " font, the length of lower puddler 15 is more than upper puddler 11, it is simple to stirring reaction Material bottom still 1, it is to avoid material lumps.
In this utility model embodiment, described jet thrust 13 is positioned at lower puddler 15 and is provided above.
Operation principle of the present utility model is: shaft is sequentially provided with puddler from top to bottom 11, many stirrer paddles 12 and lower puddler 15, reactor 1 inwall correspondence stirrer paddle Sheet 12 is evenly distributed with multiple baffle plate 5 arranged along vertical direction, and mixing liquid is at stirring paddle The baffle plate 5 in mixing, and knock-on reaction still 1 inwall is rotated under the effect of blade 12, it is possible to It is prevented effectively from mixed liquor to spin inside kettle along with stirrer paddle 12, it is ensured that material energy Enough mix full and uniform;Carbon dioxide imports in jet thrust 13, all by air supply pipe 4 The even jet thrust 13 that is distributed on reactor 1 inwall circumferencial direction can by carbon dioxide from It is internal that different positions sprays into reactor 1, puddler 11, stirrer paddle 12 and in cooperation The stirring of lower puddler 15, it is molten that carbon dioxide gas physical ability is adequately dissolve in reactor 1 In liquid, it is ensured that the acidity within reactor 1 is respond well, it is greatly improved the conversion ratio of carbendazim, Decrease the generation of by-product impurities;Arc above drainage conduit 14 filters backstop 16 can be had Effect stops material to be discharged with product.
It is obvious to a person skilled in the art that this utility model is not limited to above-mentioned exemplary reality Execute the details of example, and in the case of without departing substantially from spirit or essential attributes of the present utility model, This utility model can be realized in other specific forms.Therefore, no matter from the point of view of which point, Embodiment all should be regarded as exemplary, and be nonrestrictive, model of the present utility model Enclose and limited by claims rather than described above, it is intended that will fall in claim All changes in the implication of equivalency and scope are included in this utility model.Should will not weigh Any reference during profit requires is considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, but not Each embodiment only comprises an independent technical scheme, and this narrating mode of description is only Being only for clarity sake, those skilled in the art should be using description as an entirety, each reality Executing the technical scheme in example can also be through appropriately combined, and formation it will be appreciated by those skilled in the art that Other embodiments.

Claims (5)

1. carbendazim production process reduces a device for impurity, including reactor, drives electricity Machine and shaft, it is characterised in that described reactor top center is provided with motor fixed rack, Motor fixed rack is provided with driving motor, drives motor by variator and stirring in reactor Mix axle connect, shaft be sequentially provided with from top to bottom puddler, many stirrer paddles and under Puddler, described reactor inwall correspondence stirrer paddle is evenly distributed with multiple along vertical direction The baffle plate arranged, is along the circumferential direction distributed multiple jet on the reactor inwall below baffle plate Head, jet thrust with reactor outside air supply pipe be connected, reactor top side is provided with charging Mouth, water inlet pipe and relief tube, described water inlet pipe is provided with entering water electromagnetic valve door, relief tube sets There is pop off valve, bottom described reactor, be provided with drainage conduit, the reaction above described drainage conduit Still inner bottom is provided with arc and filters backstop.
A kind of carbendazim production process the most according to claim 1 reduces the dress of impurity Put, it is characterised in that described drainage conduit is provided with discharge valve.
A kind of carbendazim production process the most according to claim 1 reduces the dress of impurity Put, it is characterised in that on described air supply pipe, be provided with air-supplying valve.
A kind of carbendazim production process the most according to claim 1 reduces the dress of impurity Put, it is characterised in that described upper puddler and lower puddler are inverted " V " font, The length of lower puddler is more than upper puddler.
A kind of carbendazim production process the most according to claim 1 reduces the dress of impurity Put, it is characterised in that described jet thrust is positioned at lower puddler and is provided above.
CN201620474916.5U 2016-05-19 2016-05-19 A kind of carbendazim production process reduces the device of impurity Expired - Fee Related CN205761198U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984234A (en) * 2017-05-28 2017-07-28 湖北职业技术学院 A kind of agitating device produced for medicine intermediate
CN110639455A (en) * 2018-06-27 2020-01-03 中国石油化工集团公司 Filtering and dispersing device
CN112221615A (en) * 2019-06-30 2021-01-15 西安众力沥青有限公司 Vertical grinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984234A (en) * 2017-05-28 2017-07-28 湖北职业技术学院 A kind of agitating device produced for medicine intermediate
CN110639455A (en) * 2018-06-27 2020-01-03 中国石油化工集团公司 Filtering and dispersing device
CN110639455B (en) * 2018-06-27 2024-02-06 中国石油化工集团公司 Filtering and dispersing device
CN112221615A (en) * 2019-06-30 2021-01-15 西安众力沥青有限公司 Vertical grinder

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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: 20161207

Termination date: 20210519