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 PDFInfo
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- 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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- reactor
- puddler
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- impurity
- motor
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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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474916.5U CN205761198U (en) | 2016-05-19 | 2016-05-19 | A kind of carbendazim production process reduces the device of impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474916.5U CN205761198U (en) | 2016-05-19 | 2016-05-19 | A kind of carbendazim production process reduces the device of impurity |
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| Publication Number | Publication Date |
|---|---|
| CN205761198U true CN205761198U (en) | 2016-12-07 |
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| CN201620474916.5U Expired - Fee Related CN205761198U (en) | 2016-05-19 | 2016-05-19 | A kind of carbendazim production process reduces the device of impurity |
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Cited By (2)
| 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 |
-
2016
- 2016-05-19 CN CN201620474916.5U patent/CN205761198U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
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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: 20161207 Termination date: 20210519 |