CN211562950U

CN211562950U - Filtering reaction kettle

Info

Publication number: CN211562950U
Application number: CN201922407475.3U
Authority: CN
Inventors: 郭红永; 王旭皓; 赵新港; 刘文超
Original assignee: Hebei Lanrun Plant Protection Technology Co ltd; Hebei Lansheng Biological Technology Co ltd
Current assignee: Hebei Lanrun Plant Protection Technology Co ltd; Lansheng Biotechnology Group Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-25
Anticipated expiration: 2029-12-28

Abstract

The utility model provides a filtering reaction kettle, which comprises a kettle body with a hollow structure inside, a filter plate arranged inside the kettle body, and an extrusion plate arranged inside the kettle body in a sliding manner along the vertical direction; wherein, the top end of the kettle body is provided with a feeding hole, and the bottom end is provided with a discharging hole and a supporting leg; the surface of the filter plate is provided with filter holes for enabling liquid components in the material to flow out; the extrusion plate is connected with a driving assembly fixedly arranged on the kettle body, and the driving assembly can drive the extrusion plate to lift and enable the extrusion plate to be abutted against the filter plate. The utility model provides a filtration reation kettle extrudes on the filter through the stripper plate, makes the solid-liquid separation of mixture to make the solid composition in the mixture stop up and cross the filtration pore, thereby make the solution that lets in the cauldron body fully react with the solid composition in the mixture and dissolve. Compared with the prior art, the process of manually carrying the solid components in the mixture is avoided, the manpower is saved, the gas is prevented from escaping, and the production efficiency is improved.

Description

Filtering reaction kettle

Technical Field

The utility model belongs to spirotetramat production facility field, more specifically say, relate to a filtration reation kettle.

Background

In the manufacturing process of chemical products (for example, in the preparation process of spirotetramat), a centrifuge is required to perform centrifugal filtration on a mixture to separate solid from liquid, after the separated filtrate (also called as liquid component in the mixture) is screened, a residual filter cake (also called as filter residue, solid component in the mixture) in the centrifuge is scooped out by a scoop and conveyed to a next reaction kettle (also called as reaction vessel or reaction device), a solvent is introduced into the next reaction kettle to perform melting treatment on the filter cake, and the filter cake is processed into a solution and conveyed to the next reaction kettle.

The processes of recovering the filter cake and transporting the filter cake need to be carried out by a large amount of field personnel, and the solid filter cake is thrown on the inner wall of the centrifugal machine due to centrifugal force in the centrifugal filtration process, so that the filter cake is difficult to clean; the process consumes a great deal of manpower, and has the problems of no storage of filter cakes and the like, thereby reducing the production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter reaction kettle aims at solving and carries out the problem that centrifugal filtration leads to product production efficiency to reduce to the mixture among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a filtration reactor comprising:

the kettle body is internally of a hollow structure, the top end of the kettle body is provided with a feeding hole for introducing a mixture and a solvent, the bottom end of the kettle body is provided with a discharging hole for outputting liquid components and solution in the mixture, the bottom of the kettle body is also connected with a supporting leg for supporting on the ground,

the surface of the filter plate is horizontally and fixedly arranged in the kettle body, is used for bearing the mixture and is provided with filter holes for the liquid components and the solution to pass through; and

the extrusion plate is horizontally arranged in the kettle body and is positioned above the filter plate; the extrusion plate is connected with a driving assembly for driving the extrusion plate to slide up and down.

As another embodiment of the application, a lifting rod penetrating through the top end of the kettle body along the vertical direction is fixedly connected to the extrusion plate; the driving assembly comprises a double-rod cylinder and a lifting plate, the double-rod cylinder is fixedly arranged at the top end of the kettle body, and the power output end of the double-rod cylinder extends out of and retracts into the kettle body along the vertical direction; wherein, the lifter plate is connected with the lifter.

As another embodiment of the present application, a motor is provided on the lifting plate; a motor is arranged on the lifting plate; the lifting rod penetrates through the lifting plate and is connected with the power output end of the motor, and the motor is used for driving the lifting rod to rotate by taking the axis of the lifting rod as a shaft.

As another embodiment of the present application, a scraper for crushing and stirring the solid components of the mixture is provided on the bottom surface of the pressing plate.

As another embodiment of the present application, the feeding holes comprise a first feeding hole for feeding the mixture and a second feeding hole for feeding the solvent.

As another embodiment of the present application, a discharge pipe is connected to the discharge hole, and the discharge pipe is connected to the first output pipe and the second output pipe through a three-way valve; the first output pipe is used for being connected with a liquid storage tank for storing solid components in the mixture, and the second output pipe is used for being connected with the next-stage reaction kettle.

As another embodiment of this application, the bottom surface of the cauldron body is the convex arc structure downwards, the discharge opening is located the center department of cauldron body bottom.

The utility model provides a filtering reaction kettle's beneficial effect lies in: the mixture is added to the kettle body along the feeding hole, the mixture falls on the filter plate, then the extrusion plate is driven to move downwards, the extrusion plate is abutted against the filter plate, so that the liquid components in the mixture seep out along the filtering hole and finally flow out along the discharging hole, and the solid components in the mixture are left on the upper surface of the filter plate, so that solid-liquid separation in the mixture is realized. The solid components in the mixture are extruded and crushed by the extrusion plate, so the solid components can block the filter holes, and the solution for dissolving the solid components is added into the kettle body through the feeding holes, so that the solid components are dissolved and output to the next reaction unit along the filter holes and the discharging holes.

Compared with the prior art, the filtering reaction kettle provided by the utility model avoids the process of manually carrying the solid components in the mixture, saves the manpower, shortens the time required by the process and improves the production efficiency; moreover, after solid-liquid separation, the device does not need to be opened to move solid components, so that the odor of the solid components is prevented from leaking, the emission of volatile organic compounds is reduced, and the preparation process is more environment-friendly.

Drawings

FIG. 1 is a schematic structural diagram of a filtration reactor according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of fig. 1 taken along circle a.

In the figure, 1, a kettle body; 11. a support leg; 12. a feeding hole; 121. a first feeding hole; 122. a second feeding hole; 13. a discharge hole; 2. a filter plate; 21. a filtration pore; 3. a pressing plate; 31. a lifting rod; 32. a scraper; 4. a drive assembly; 41. a double-rod cylinder; 42. a lifting plate; 5. a motor; 6. a discharge pipe; 61. a three-way valve; 62. a first output pipe; 63. a second output pipe; 7. a liquid storage tank; 100. and (5) a next-stage reaction kettle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2 together, the filtering reaction kettle of the present invention will now be described. The filtering reaction kettle comprises a kettle body 1, a filter plate 2 and an extrusion plate 3.

The kettle body 1 is of an internal hollow structure, the bottom of the kettle body is connected with a supporting leg 11 used for supporting the kettle body on the ground, the top end of the kettle body is provided with a feeding hole 12 used for introducing a mixture and a solvent, and the bottom end of the kettle body is provided with a discharging hole 13 used for outputting liquid components and solution in the mixture.

The surface of the filter plate 2 is horizontal and is fixedly arranged in the kettle body 1 for receiving the mixture, and the surface is provided with filter holes 21 for the liquid components and the solution to flow out; specifically, the cross-sectional area of the filter hole 21 is smaller than the cross-sectional area of the solid component in the mixture, and the liquid component and the solution in the mixture can flow out downward from the filter hole 21.

The extrusion plate 3 slides along vertical direction and sets up in the inside of cauldron body 1 for with the upper surface butt of filter 2, and the area of extrusion plate 3 is less than the area of filter 2, thereby avoids extrusion plate 3 to block filter 2 and lead to the condition that the mixture can't fall on filter 2. The extrusion plate 3 is connected with a driving component 4 fixedly arranged on the kettle body 1. The driving assembly 4 can drive the extrusion plate 3 to slide along the vertical direction, and when the extrusion plate 3 moves downwards and is abutted on the filter plate 2 through the driving assembly 4, the mixture can be crushed, so that the liquid components in the mixture can flow out along the filtering holes 21 on the filter plate 2. And, through the extrusion of extrusion board 3, the solid-state composition in the mixture can be broken and block up in the filtration pore 21 of filter 2 to avoid aforementioned solvent direct along filtering pore 21 outflow after letting in, make aforementioned solvent fully react with the solid-state composition in the mixture, rationally use the resource, play the effect of resources are saved.

When the mixture is subjected to solid-liquid separation, the mixture is introduced into the kettle body 1 along the feeding hole 12 and falls on the filter plates 2, the extrusion plates 3 are abutted on the filter plates 2 through the driving assembly 4, the mixture is crushed, the liquid components flow out along the filter holes 21, and finally the liquid components in the mixture flow out of the kettle body 1 along the discharging hole 13. Then, a solvent for dissolving the solid components in the mixture is introduced along the feeding hole 12, and the solvent and the solid components in the mixture are fully reacted; finally, the solid components in the mixture are dissolved into a solution and output to the next reaction unit along the filtering holes 21 and the discharging holes 13.

It should be noted that before the solvent is introduced into the kettle 1, the extrusion plate 3 needs to be lifted by the driving assembly 4, so as to avoid the problem that the mixture and the solvent are not reacted sufficiently due to the obstruction of the mixture by the extrusion plate 3.

Compared with the prior art, the filtering reaction kettle provided by the utility model can play a role in filtering solid-liquid separation on one hand, and can enable solid components in the mixture to react with the solvent on the other hand, and avoids the process of recovering and transporting the solid components in the mixture by field workers, thereby saving manpower; and after solid-liquid separation, the solvent can be immediately introduced into the kettle body 1 to carry out melting reaction, so that the production efficiency of the product is improved.

Referring to fig. 1, as a specific embodiment of the filtering reaction kettle provided by the present invention, a lifting rod 31 penetrating through the top end of the kettle body 1 along the vertical direction is fixedly connected to the extrusion plate 3; the driving assembly 4 comprises a double-rod cylinder 41 which is fixedly arranged at the top end of the kettle body 1 and the power output end of which extends out and retracts along the vertical direction, and a lifting plate 42 which is fixedly arranged on the power output end of the double-rod cylinder 41; wherein the lifting plate 42 is connected with the lifting rod 31.

During the use, through two pole cylinders 41 drive lifter plate 42 along vertical direction removal, lifter plate 42 drives lifter 31 and stripper plate 3 syntropy and removes to can make stripper plate 3 slide and butt at the upper surface of filter 2 along vertical direction.

Through adopting above-mentioned technical scheme, two pole cylinders 41 can provide sufficient drive power and make the upper surface of stripper plate 3 butt at filter 2 to make the solid-state composition in the mixture of filter 2 upper surface broken, this process need not artifical application of force, has avoided artificial fatigue to the influence of production process, has guaranteed this production procedure normal implementation, has improved the stability when the device uses.

Referring to fig. 1, as a specific embodiment of the filtration reactor of the present invention, a motor 5 is disposed on the lifting plate 42; the lifting rod 31 penetrates the lifting plate 42 and is connected with the power output end of the motor 5. Since the motor 5 is connected to the lifting plate 42, when the lifting plate 42 is lifted in the vertical direction, the motor 5 can be driven and lifted in the vertical direction, so that the lifting rod 31 and the pressing plate 3 are lifted in the vertical direction. In addition, the rotating shaft of the power output end of the motor 5 is collinear with the axis of the lifting rod 31, so after the lifting rod 31 is connected with the power output end of the motor 5, the motor 5 can drive the lifting rod 31 to rotate by taking the axis of the lifting rod 31 as the shaft.

When the solution reacts with the solid components in the mixture, the driving assembly 4 drives the extrusion plate 3 to move downwards, so that the extrusion plate 3 is extruded on the solid components of the mixture (or the extrusion plate 3 is abutted against the upper surface of the filter plate 2); the motor 5 drives the lifting rod 31 to rotate, so that the extrusion plate 3 rotates, the bottom surface of the extrusion plate 3 drives the solid components in the mixture to rotate in the same direction, the solid components and the solution fully react, and the reaction speed is increased.

By adopting the technical scheme, the reaction rate of the solid components in the mixture and the solution can be effectively improved, and the production efficiency of the product is further improved.

Referring to fig. 1, as a specific embodiment of the filtering reaction kettle provided by the present invention, a scraper 32 for crushing and stirring solid components of a mixture is disposed on a bottom surface of an extrusion plate 3; specifically, a plurality of scrapers 32 are provided, and the plurality of scrapers 32 are circumferentially arranged along the bottom surface of the fixing plate 3 with the center of the bottom surface of the fixing plate 3 as a center; the fixed end of each scraper 32 is connected with the bottom surface of the extrusion plate 3 and the cutting edge is arranged downwards (the cutting edge can incline along the rotation direction of the extrusion plate 3 if necessary), when the extrusion plate 3 rotates along with the rotation of the lifting rod 31, the scrapers 32 can break solid components in the mixture on the filter plate 2 and stir the broken solid components, so that the solid components are converted into smaller solid particles, the solid-liquid separation rate is increased, and the reaction efficiency and the reaction degree of the solid components and the solvent in the later process are improved.

By adopting the technical scheme, when the solution reacts with the solid components in the mixture, the extrusion plate 3 is driven to rotate by the motor 5, and the scraper 32 is used for crushing the solid components in the mixture on the filter plate 2, so that the reaction rate of the solid components and the solution is further improved, and the production efficiency of the product is further improved.

It should be noted that, during the use process, the user can drive the scraper 32 below the squeeze plate 3 to move up and down by starting the dual-rod cylinder 41, so that the bottom of the scraper 32 is kept higher than the height of the solid component, and when the motor 5 drives the squeeze plate 3 to rotate, the dual-rod cylinder 41 drives the squeeze plate 3 to move up and down repeatedly, so that the scraper 32 cuts into the solid component (i.e. the crushing process) and stirs the solid component, thereby enhancing the crushing rate of the solid component.

Referring to fig. 1, as a specific embodiment of the present invention, the feeding holes 12 include a first feeding hole 121 for introducing the mixture and a second feeding hole 122 for introducing the solvent. And, the aperture of the first feeding hole 121 is larger than that of the second feeding hole 122.

Through adopting above-mentioned technical scheme, set up first pan feeding hole 121 and second pan feeding hole 122, make the cauldron body 1 can be connected with the machine of difference (the machine that is used for letting in the mixture to and the machine that is used for letting in the solvent), thereby reduce the interval time between the twice process (the solid-liquid separation in the mixture, and let in the solvent to the cauldron body 1), thereby accelerated production efficiency.

Referring to fig. 1, as a specific embodiment of the present invention, a discharging pipe 6 is connected to the discharging hole 13, and the discharging pipe 6 is connected to a first output pipe 62 and a second output pipe 63 through a three-way valve 61; wherein the first output pipe 62 is connected to the liquid storage tank 7 for storing the solid components in the mixture, and the second output pipe 63 is connected to the next-stage reaction vessel 100.

When the device is used, a mixture is introduced into the kettle body 1 and subjected to solid-liquid separation, when liquid components in the mixture are output from the discharge hole 13, the first output pipe 62 is connected with the discharge pipe 6 by adjusting the three-way valve 61, and the liquid components in the mixture are input into the liquid storage tank 7 along the discharge pipe 6 and the first output pipe 62 and stored. Introducing a solvent into the reactor body 1 to react the solvent with the solid components of the mixture in the reactor body 1, and when the solution formed by the reaction is discharged from the discharge hole 13, connecting the second discharge pipe 63 to the discharge pipe 6 by adjusting the three-way valve 61, and feeding the solution into the next-stage reactor 100 along the discharge pipe 6 and the second discharge pipe 63.

Through adopting above-mentioned technical scheme, can flow into inside the device of difference respectively by liquid composition or the solution in the mixture of discharge opening 13 output and store or continue to participate in the reaction to avoid the manual work to collect and convey it, practiced thrift the manpower, and improved product production efficiency.

Referring to fig. 1, as a specific embodiment of the present invention, the bottom surface of the kettle body 1 is an arc structure protruding downward, and the discharge hole 13 is located at the center of the bottom of the kettle body 1, that is, the discharge hole 13 is located at the lowest position of the kettle body 1.

By adopting the technical scheme, the liquid components or the solution flowing out of the filtering holes 21 can flow to the discharging holes 13 along the arc-shaped inner wall at the bottom of the kettle body 1, so that the liquid components or the solution can be prevented from remaining in the kettle body 1, and the later cleaning is difficult; moreover, a large amount of liquid components and solution can flow out along the discharge hole 13, so that resources are effectively saved.

It should be noted that, in the modern technology, especially in the production flow of chemical products such as spirotetramat, the solid-liquid separation can be effectively realized by adopting the filtering reaction kettle provided by the utility model, and the mixed reaction of the solid components generated after the separation process and the solvent is avoided, the manual operation process of carrying the solid components after the solid-liquid separation is avoided, and the manpower is saved; and the odor of solid components is prevented from being transmitted, the emission of volatile organic compounds is reduced, and the environmental protection level of the production process of the chemical product is 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

1. Filter reation kettle, its characterized in that includes:

2. The filtration reactor as claimed in claim 1, wherein the extrusion plate is fixedly connected with a lifting rod which penetrates through the top end of the reactor body along the vertical direction; the driving assembly comprises a double-rod cylinder and a lifting plate, the double-rod cylinder is fixedly arranged at the top end of the kettle body, and the power output end of the double-rod cylinder extends out of and retracts into the kettle body along the vertical direction; wherein, the lifter plate is connected with the lifter.

3. The filtration reactor of claim 2, wherein the lifter plate is provided with a motor; the lifting rod penetrates through the lifting plate and is connected with the power output end of the motor, and the motor is used for driving the lifting rod to rotate by taking the axis of the lifting rod as a shaft.

4. A filter reaction tank according to claim 3 wherein the bottom surface of the extrusion plate is provided with a scraper for crushing and stirring the solid components of the mixture.

5. The filtration reactor of claim 1, wherein said inlet ports comprise a first inlet port for introducing the mixture and a second inlet port for introducing the solvent.

6. The filtration reactor of claim 1, wherein a discharge pipe is connected to the discharge port, and the discharge pipe is connected to the first output pipe and the second output pipe by a three-way valve; the first output pipe is used for being connected with a liquid storage tank for storing solid components in the mixture, and the second output pipe is used for being connected with the next-stage reaction kettle.

7. The filtration reactor of claim 1, wherein the bottom surface of the reactor body is in an arc-shaped structure protruding downwards, and the discharge hole is located at the center of the bottom of the reactor body.