CN210905178U - Solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production - Google Patents
Solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production Download PDFInfo
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- CN210905178U CN210905178U CN202020356515.6U CN202020356515U CN210905178U CN 210905178 U CN210905178 U CN 210905178U CN 202020356515 U CN202020356515 U CN 202020356515U CN 210905178 U CN210905178 U CN 210905178U
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Abstract
A solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production comprises a crystallization kettle, a solvent metering tank and a kettle type filter, wherein the kettle type filter comprises a kettle body, a feed inlet is formed in the top of the kettle body, and a slurry discharge port and a filtrate discharge port are formed in the side wall of the kettle body; a plurality of nozzle layers are arranged on the inner wall of the kettle body from top to bottom, each nozzle layer comprises a plurality of nozzles arranged on the inner wall, and the plurality of nozzles penetrate through the side wall of the kettle body and are connected with the solvent metering tank through solvent pipes; the inside of the cauldron body is provided with the filter plate, and the below of filter plate is provided with slide damper, slide damper and the inner wall sliding connection of the cauldron body, slide damper's below fixedly connected with sleeve, telescopic inside threaded connection has the lead screw, the bottom of lead screw and driving motor's axle extension fixed connection. The utility model cancels the existence of the stirring shaft, reduces the energy consumption and the production cost; meanwhile, the input amount of the solvent is reduced, secondary pollution is prevented, and the product quality is improved.
Description
Technical Field
The utility model relates to a splitter technical field especially relates to a solvent contrary solid-liquid separation system that revolves in 4 bromine pyrrole production.
Background
The 4-bromo-pyrrole, the specific name of which is 4-bromo-2- (4-chlorophenyl) -5-trifluoromethyl-1H-pyrrole-3-carbonitrile, also known as tralopyril and bromopyrrolecarbonitrile, is a precursor intermediate for synthesizing chlorfenapyr, and needs to be subjected to solid-liquid separation in the production process.
Among the prior art, chinese utility model patent that patent application number is 201220017305.X discloses an intermediate processing apparatus for producing chlorfenapyr, and it discloses the separator who carries out solid-liquid separation to 4 bromine pyrrole, and is specific, discloses kettle filter, and this kettle filter's inside radially is provided with the filter plate, and the below of filter plate forms the filtrating chamber, and the bottom in this filtrating chamber is installed and is used for deriving the filtrating outlet pipe to desolventizing the cauldron with the filtrating.
Above-mentioned utility model, it carries out solid-liquid separation to 4 bromine pyrrole to disclose adopting the filter plate, but discover in the in-service use process, the later stage is owing to derive the inside of cauldron formula filter with thick liquids, it needs to channel into a large amount of solvents, then adopt the (mixing) shaft to stir and form the thick liquids with solid material, this moment because the existence in filtrate chamber, lead to partial solvent to remain in filtrate intracavity, the filtrating of carrying out solid-liquid separation next time causes the pollution, and, adopt the (mixing) shaft to stir, energy resource consumption and manufacturing cost have been improved, the simultaneous process is loaded down with trivial details, staff's working strength has been improved, the production speed has been reduced, consequently, need for a 4 bromine pyrrole production medium solvent contrary solid-liquid separation system that revolves soon.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the solvent reverse-rotation solid-liquid separation system in the 4-bromopyrrole production is provided, the existence of a stirring shaft can be cancelled, the energy consumption is reduced, and the production cost is reduced; meanwhile, the input amount of the solvent is reduced, secondary pollution is prevented, and the product quality is improved.
In order to solve the technical problem, the technical scheme of the utility model is that:
a solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production, which comprises a crystallization kettle, a solvent metering tank and a kettle type filter,
the kettle type filter comprises a kettle body, wherein a feed inlet is formed in one side of the top of the kettle body, the feed inlet is connected with the crystallization kettle through a feed pipe, a slurry discharge port and a filtrate discharge port are formed in the side wall of the kettle body, the slurry discharge port is communicated with the reaction kettle through a slurry pipe, and the filtrate discharge port is communicated with the desolventizing kettle through a filtrate pipe;
a plurality of nozzle layers are arranged on the inner wall of the kettle body from top to bottom, each nozzle layer comprises a plurality of nozzles arranged on the inner wall, the direction of the nozzles of each nozzle layer is uniform, the direction of the nozzles of the adjacent nozzle layers is opposite, and the nozzles penetrate through the side wall of the kettle body and are connected with the solvent metering tank through solvent pipes;
the inside of the cauldron body is provided with the filter plate, and is a plurality of the nozzle layer all set up in the top of filter plate, the upper surface of filter plate is less than the lower edge pipe wall of thick liquids discharge gate, the below of filter plate is provided with slide damper, slide damper with the inner wall sliding connection of the cauldron body, slide damper's below fixedly connected with sleeve, telescopic inside threaded connection has the lead screw, the bottom of lead screw and driving motor's axle stretch end fixed connection, driving motor set up in the bottom of the cauldron body.
Preferably, the upper surface of the sliding baffle is lower than the wall of the lower edge pipe of the filtrate discharge port.
Preferably, the number of the nozzle layers is two or more.
Preferably, the nozzles are oriented in either a clockwise or counterclockwise direction.
Preferably, the number of the plurality of nozzles in each nozzle layer is four or more.
Preferably, the solvent pipe comprises a feeding end and a discharging end, the discharging end is annularly sleeved on the outer wall of the kettle body, the discharging end is fixedly connected with the plurality of nozzles respectively, and the feeding end of the solvent pipe is fixedly connected with the solvent metering tank.
Preferably, the discharge end is in threaded connection with the nozzles.
Preferably, the discharge end is connected with the nozzles in a welding mode.
Preferably, the driving motor is a forward and reverse rotating motor.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
through the utility model discloses in, be provided with the nozzle layer, every layer of nozzle layer is all including setting up a plurality of nozzles on the inner wall, a plurality of nozzle orientations on every layer of nozzle layer are unified, the orientation on a plurality of nozzles on adjacent nozzle layer is opposite, the nozzle layer passes through the solvent pipe and is connected with the solvent metering tank, solvent in the solvent metering tank gets into the nozzle layer through the material transfer pump, and through the nozzle blowout, break up the solid material of staying on the filter plate after filtering, make it form thick liquids, in-process breaking up, because the orientation of nozzle is clockwise or anticlockwise, so have the effect of rotatory breaing up to thick liquids, and the orientation of a plurality of nozzles in the adjacent nozzle layer is opposite, lead to thick liquids at the rotatory in-process of breaing up, the clashing takes place for the intraformational thick liquids of adjacent nozzle, the bold solid material is broken up, be convenient for the thick liquids get into reation kettle through the thick liquids. It adopts the nozzle layer to replace original (mixing) shaft and stirs, has cancelled (mixing) shaft and gear motor's existence, has reduced manufacturing cost, simultaneously, has reduced energy resource consumption, has reduced staff's intensity of labour.
Through the utility model discloses in, be provided with slide damper, slide damper and sleeve fixed connection, sleeve and lead screw threaded connection, lead screw and driving motor's axle stretch end fixed connection, driving motor drives the lead screw and rotates, make it drive the sleeve, slide damper upward movement, make slide damper's upper surface and the lower surface laminating of filter plate, the existence in filtrating the chamber has been cancelled, make the solvent get into the internal back of cauldron from the solvent pipe, directly erode the solid material on the filter plate, the waste to the solvent because the existence in filtrating the chamber has been reduced and has produced, the production cost is reduced, secondary pollution's appearance has been reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a sectional view of the lower nozzle layer of the present invention;
FIG. 3 is a cross-sectional view of the structure of the middle and upper nozzle layers of the present invention;
in the figure: 1-crystallization kettle, 2-solvent metering tank, 21-solvent tube, 3-kettle filter, 31-kettle body, 32-feed inlet, 321-feed pipe, 33-slurry discharge outlet, 331-slurry pipe, 34-filtrate discharge outlet, 341-filtrate pipe, 4-reaction kettle, 5-desolventizing kettle, 6-nozzle layer, 61-nozzle, 62-discharge end, 7-filter plate, 81-slide baffle, 82-sleeve, 83-lead screw and 84-driving motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figures 1 to 3, the utility model comprises a crystallization kettle 1, a solvent metering tank 2 and a kettle type filter 3.
Kettle filter 3 includes the cauldron body 31, and the top one side of cauldron body 31 is provided with feed inlet 32, and feed inlet 32 passes through inlet pipe 321 with crystallization kettle 1 to be connected, is provided with thick liquids discharge gate 33 and filtrating discharge gate 34 on the lateral wall of cauldron body 31, and thick liquids discharge gate 33 and reation kettle 4 pass through thick liquids pipe 331 and communicate, and filtrating discharge gate 34 and desolventizing kettle 5 pass through filtrate pipe 341 and communicate.
A plurality of nozzle layers 6 are arranged on the inner wall of the kettle body 31 from top to bottom, each layer of nozzle layer 6 comprises a plurality of nozzles 61 arranged on the inner wall, the plurality of nozzles 61 of each layer of nozzle layer 6 face towards the same direction, the orientation of the plurality of nozzles 61 of the adjacent nozzle layers 6 is opposite, and the orientation of the nozzles 61 is clockwise or anticlockwise. A plurality of nozzles 61 penetrate through the side wall of the kettle body 31 and are connected with the solvent metering tank 2 through the solvent pipe 21. Solvent pipe 21 includes feed end and discharge end 62, and discharge end 62 is that the annular cover is located on the outer wall of cauldron body 31, and discharge end 62 respectively with a plurality of nozzle 61 fixed connection, solvent pipe 21's feed end and solvent metering tank 2 fixed connection. Solvent is held in solvent metering tank 2, and is provided with the material pump of changeing on solvent pipe 21, adopts the material pump of changeing to carry the solvent, for prior art, does not give unnecessary details here.
Wherein, the number of the nozzle layer 6 is more than two layers, in the embodiment of the utility model, the number of the nozzle layer 6 is two layers, but not limited to two layers, and the number of the nozzle layer 6 can be changed according to the size of the kettle body 31 or the number of the solid materials; the quantity of a plurality of nozzles 61 of every layer of nozzle layer 6 is more than four, improves contrary effect of revolving, and is same, the embodiment of the utility model provides an in, adopted four nozzles, but not limited to four, can be according to the size of a dimension of cauldron body 31, perhaps how much of solid material carries out the change of nozzle 61 quantity. Fixed connection between nozzle 61 and discharge end 61 can be the welding, also can be threaded connection, wherein, adopts threaded connection, can carry out timely change to blockking up or the serious nozzle of wearing and tearing, is convenient for maintain and maintains.
Through the utility model discloses in, be provided with nozzle layer 6, solvent in the solvent metering tank 2 gets into nozzle layer 6 through changeing the material pump, and spout through nozzle 61, can stay the solid material on filter plate 7 after filtering and break up, make it form thick liquids, at the in-process of breaking up, because nozzle 61's orientation is clockwise or anticlockwise, so have the effect of rotatory breaing up to thick liquids, and the orientation of a plurality of nozzles 61 is opposite in the adjacent nozzle layer 6, lead to the thick liquids at the in-process of rotatory breaing up, thick liquids in the adjacent nozzle layer 6 take place to collide, bold solid material is broken up, be convenient for thick liquids get into reation kettle 4 through thick liquids pipe 331. It adopts nozzle layer 6 to replace original (mixing) shaft and stirs, has cancelled (mixing) shaft and gear motor's existence, has reduced manufacturing cost, simultaneously, has reduced energy resource consumption, has reduced staff's intensity of labour.
The inside of the kettle body 31 is provided with a filter plate 7, a plurality of nozzle layers 6 are all arranged above the filter plate 7, the upper surface of the filter plate 7 is lower than the lower edge pipe wall of the slurry discharge port 33, a sliding baffle 81 is arranged below the filter plate 7, the sliding baffle 81 is connected with the inner wall of the kettle body 31 in a sliding manner, a sleeve 82 is fixedly connected with the lower side of the sliding baffle 81, a screw 83 is connected with the inner thread of the sleeve 82, the bottom of the screw 83 is fixedly connected with the shaft extension end of a driving motor 84, and the driving motor 84 is arranged at the bottom of the kettle body 31. The driving motor 84 is a forward and reverse rotation motor, and can drive the screw 83 to rotate forward and reverse, so that the sleeve 82 drives the sliding baffle 81 to slide up and down, and the adjustment of the volume of the filtrate chamber is realized.
Through the utility model discloses in, be provided with slide damper 81, slide damper 81 upward movement under driving motor 84's drive makes slide damper 81's upper surface and filter plate 7's lower surface laminating, has cancelled the existence in filtrating chamber, makes the solvent follow solvent pipe 21 get into the cauldron body 31 inside back, directly erodes the solid material on the filter plate 7, has reduced because the existence in filtrating chamber and has produced the waste to the solvent, has reduced manufacturing cost, has reduced secondary pollution's appearance.
When filtering, the upper surface of the sliding baffle 81 is lower than the lower edge pipe wall of the filtrate outlet 34. The requirement of leading the filtrate out to the desolventizing kettle 5 is met.
The utility model discloses when using, reaction material gets into the inside of cauldron formula filter 3 by crystallization kettle 1, at this moment, slide damper 81 is in the below, and slide damper 81's upper surface is less than the lower edge pipe wall of filtrating discharge gate 34, after the vacuum filtration, the filtrating carries out the desolventizing in getting into desolventizing cauldron 5 through filtrate pipe 341, and solid material piles up in the top of filter plate 7, solid material is after the pumping out, driving motor 84 drive lead screw 83 rotates, realize that sleeve 82 drives slide damper 81 upward movement, be close to filter plate 7, laminate between the upper surface of final realization slide damper 81 and the lower surface of filter plate 7, get the existence in elimination filtrate chamber. Then the solvent in the solvent metering tank 2 enters the interior of the kettle filter 3, at this moment, the solvent enters the discharge end 62 from the solvent pipe 21 and is sprayed out through the nozzle 61, wherein, the nozzle 61 in the lower nozzle layer 6 is close to the upper surface of the filter plate 7, the solid material on the filter plate 7 can be scattered, clockwise rotation is realized, and the nozzle 61 in the upper nozzle layer 6 can reversely rotate the scattered solid material, namely, anticlockwise rotation is realized, when the height of the solvent is greater than that of the upper nozzle layer 6, the solid material in the solvent is all in the solvent, in the process of reverse rotation of the solvent, the solid material is piled up due to large blocks formed by pumping, scattered to form uniform slurry, and then the solid material is led out to the reaction kettle 4 through the slurry discharge port 33 to perform the next reaction.
To sum up, when the slurry is discharged, the sliding baffle plate 81 is attached to the filter plate 7, so that the existence of a filtrate cavity is eliminated, the waste of the solvent caused by the existence of the filtrate cavity is reduced, the production cost is reduced, meanwhile, the existence of a stirring shaft and a stirring motor is eliminated, the energy consumption is reduced, the production cost is reduced, the input amount of the solvent is reduced, the secondary pollution is prevented, and the product quality is improved; in addition, materials are conveyed in the reaction container and the pipeline in the whole reaction process and are not contacted with the outside, so that the environment pollution is avoided, and the operation safety and the automation level are improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production comprises a crystallization kettle, a solvent metering tank and a kettle type filter, and is characterized in that,
the kettle type filter comprises a kettle body, wherein a feed inlet is formed in one side of the top of the kettle body, the feed inlet is connected with the crystallization kettle through a feed pipe, a slurry discharge port and a filtrate discharge port are formed in the side wall of the kettle body, the slurry discharge port is communicated with the reaction kettle through a slurry pipe, and the filtrate discharge port is communicated with the desolventizing kettle through a filtrate pipe;
a plurality of nozzle layers are arranged on the inner wall of the kettle body from top to bottom, each nozzle layer comprises a plurality of nozzles arranged on the inner wall, the direction of the nozzles of each nozzle layer is uniform, the direction of the nozzles of the adjacent nozzle layers is opposite, and the nozzles penetrate through the side wall of the kettle body and are connected with the solvent metering tank through solvent pipes;
the inside of the cauldron body is provided with the filter plate, and is a plurality of the nozzle layer all set up in the top of filter plate, the upper surface of filter plate is less than the lower edge pipe wall of thick liquids discharge gate, the below of filter plate is provided with slide damper, slide damper with the inner wall sliding connection of the cauldron body, slide damper's below fixedly connected with sleeve, telescopic inside threaded connection has the lead screw, the bottom of lead screw and driving motor's axle stretch end fixed connection, driving motor set up in the bottom of the cauldron body.
2. The solvent-derotation solid-liquid separation system in 4-bromopyrrole production according to claim 1, wherein the upper surface of the sliding baffle is lower than the lower edge tube wall of the filtrate outlet.
3. The solvent-derotation solid-liquid separation system for 4-bromopyrrole production according to claim 1 wherein the number of the nozzle layers is two or more.
4. The solvent-derotation solid-liquid separation system for the production of 4 bromopyrrole according to claim 1 wherein the orientation of the nozzle is either clockwise or counter-clockwise.
5. The solvent-derotation solid-liquid separation system for 4-bromopyrrole production according to claim 1 wherein the number of the plurality of nozzles in each nozzle layer is four or more.
6. The solvent derotation solid-liquid separation system in 4-bromopyrrole production according to claim 1, wherein the solvent pipe comprises a feeding end and a discharging end, the discharging end is annularly sleeved on the outer wall of the kettle body, the discharging end is respectively and fixedly connected with the plurality of nozzles, and the feeding end of the solvent pipe is fixedly connected with the solvent metering tank.
7. The solvent derotation solid-liquid separation system in 4-bromopyrrole production according to claim 6, wherein the discharge end is in threaded connection with a plurality of the nozzles.
8. The solvent derotation solid-liquid separation system in 4-bromopyrrole production according to claim 6, wherein the discharge end is connected with the plurality of nozzles by welding.
9. The solvent derotation solid-liquid separation system in 4-bromopyrrole production according to claim 1, wherein the driving motor is a counter-rotating motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356515.6U CN210905178U (en) | 2020-03-20 | 2020-03-20 | Solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production |
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| CN202020356515.6U CN210905178U (en) | 2020-03-20 | 2020-03-20 | Solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production |
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| CN210905178U true CN210905178U (en) | 2020-07-03 |
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| CN202020356515.6U Active CN210905178U (en) | 2020-03-20 | 2020-03-20 | Solvent reverse-rotation solid-liquid separation system in 4-bromopyrrole production |
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