CN216703570U

CN216703570U - Organic chemical product filter

Info

Publication number: CN216703570U
Application number: CN202122870886.3U
Authority: CN
Inventors: 孟祥国; 朱秀全; 刘佳伟
Original assignee: Hebei Jianxin Chemical Co ltd
Current assignee: Hebei Jianxin Chemical Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-10
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to an organic chemical product filter, which comprises a filtering tank body, an upper filtering device, a lower filtering device, a stirring device, a heating device, a feeding pipe and a discharging pipe, wherein the upper filtering device and the lower filtering device are arranged in the filtering tank body at intervals; the heating device comprises a jacket, a steam inlet pipe and a steam outlet pipe; the stirring device comprises a driving motor, a speed reducer and a stirring shaft, and stirring blades are arranged on the stirring shaft; the filter screen is convenient to replace and clean, the stirring shaft drives the blades to rotate, so that materials are fully mixed before being filtered, steam is introduced into the steam cavity of the heating device, the temperature in the filter tank is kept constant, and the materials are in a molten state.

Description

Organic chemical product filter

Technical Field

The utility model relates to an organic chemical product filter, and belongs to the technical field of filters.

Background

In the production process of organic chemical products (such as m-aminophenol, m-hydroxy-N, N-diethylaniline, m-amino and the like), if a product with higher purity is to be obtained, the crude product generally needs to be rectified to achieve the purification effect, the crude product before rectification also contains a small amount of salt or mutually immiscible impurities, in the rectification process in the later stage, the material rotates at high speed in a distillation kettle, the small amount of salt or mutually immiscible impurities rub the inner wall of the kettle to damage equipment, the time for use is longer, and the working efficiency is reduced.

The publication No. CN205797192U is a reaction kettle with a filtering device, which comprises a shell and a stirring shaft arranged in the shell, wherein stirring blades are fixed on the stirring shaft, a filtering tank is also fixed on the outer side of the bottom of the shell, the stirring shaft extends into the filtering tank from the bottom of the shell, and is fixed with a filtering net, the outer side of the filtering net is in sealing fit with the wall of the filtering tank, and can drive the filtering net to rotate around the axis of the stirring shaft through the stirring shaft, and the bottom of the shell and the filtering tank are respectively provided with a first discharge port and a second discharge port which are positioned at the upper side and the lower side of the filtering net; the filter screen of the scheme rotates along with the stirring shaft and is easy to damage.

The utility model discloses a CN214209653U name is a chemical industry plastic drum stoste filter equipment with stirring function, including filter equipment, agitating unit and mobile device, filter equipment includes the collar, the inside filter screen that installs of collar, collar bottom integrated into one piece has the internal thread pipe, agitating unit includes the agitator tank, the agitator tank is installed in internal thread socle end, the collar communicates with each other with the agitator tank, agitator tank bottom end installs the motor, the motor top is connected with the (mixing) shaft, the (mixing) shaft outer wall integrated into one piece has a plurality of stirring rakes, agitator tank both ends integrated into one piece has the axis of rotation, mobile device includes the installation piece is last to be seted up with the mounting hole of axis of rotation size assorted, the installation piece is connected with the axis of rotation, the installation piece bottom integrated into one piece has the support column; the above scheme can only carry out primary filtration on the stock solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter which can filter a rectified crude product in a molten state and remove impurities in the crude product.

In order to achieve the above object, the present invention adopts the following scheme:

the device comprises a filtering tank body, an upper filtering device and a lower filtering device which are arranged in the filtering tank body at intervals, a stirring device vertically arranged on the filtering tank body, a heating device arranged on the side wall of the filtering tank body, a feeding pipe arranged at the top of the filtering tank body and a discharging pipe arranged at the bottom of the filtering tank body;

the feed pipe and the discharge pipe are communicated with the inner cavity of the filtering tank body.

The upper filtering device comprises an upper sieve plate fixedly arranged in a filtering tank body and an upper filtering net arranged on the upper sieve plate, wherein the mesh number of the upper filtering net is 80-100 meshes;

the lower filtering device comprises a lower sieve plate fixedly arranged in the filtering tank body and a lower filtering net arranged on the lower sieve plate, and the mesh number of the lower filtering net is 100-150 meshes.

The heating device comprises a jacket arranged on the outer wall of a filtering tank body, a steam inlet pipe arranged on the upper side wall of the jacket and a steam outlet pipe arranged on the bottom wall of the jacket;

the cavity between the jacket and the outer wall of the filtering tank body is a steam cavity, and steam input into the steam cavity is used for keeping the filtering tank body at a constant temperature.

The stirring device comprises a driving motor vertically arranged above a filtering tank body, a speed reducer connected with a transmission shaft of the driving motor and a stirring shaft arranged in the filtering tank body and connected with the speed reducer; the speed reducer is connected with the top of the filter tank body through a support, the stirring shaft penetrates through the upper filter screen and the upper sieve plate in a clearance mode, and the bottom of the stirring shaft is located above the lower filter device;

stirring blades are arranged on the stirring shaft above and below the upper filtering device.

The arc-shaped baffle is fixedly arranged at the outlet of the feeding pipe in the filtering tank body, and the arc-shaped baffle is uniformly provided with the discharge holes.

The reducer of the utility model is a model produced by Zhejiang constant teeth transmission company Limited, which is as follows: MTJAF 127-Y7.5-4P-114.84-M5-A-130.

The utility model is provided with a temperature display on the top of the filtering tank body.

The utility model has the following positive effects:

according to the utility model, the upper filtering device and the lower filtering device divide the filtering tank body into three parts, salt or impurities after filtering are left on each stage of filtering net, the filtering net and the filtering plate of the filtering device are embedded on the filtering plate through bolts and nuts, if the filtering net needs to be replaced, the filtering net can be replaced and cleaned only by disassembling the bolts, the stirring device is started before materials enter the filtering tank body, the stirring shaft drives the blades to rotate, and the speed reducer can drive the stirring shaft to move up and down, so that the materials are fully mixed before filtering, insoluble substances are prevented from being distributed unevenly on the upper filtering device and the lower filtering device to influence the filtering effect, the arc-shaped baffle is fixedly installed at the outlet of the feeding pipe, and the upper filtering net is prevented from being damaged by large impact force when the materials enter; and introducing steam into a steam cavity of the heating device to keep the temperature in the filtering tank constant, so that the material is in a molten state.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the upper filter screen of the present invention;

FIG. 3 is a schematic diagram of the construction of an upper screen of the present invention;

FIG. 4 is a schematic view of the baffle structure of the present invention;

in the figure: 1. filtering the tank body; 2. a feed pipe; 3. a discharge pipe; 4. an upper sieve plate; 5. a filter screen is arranged; 6. a jacket; 7. a steam inlet pipe; 8. a steam outlet pipe; 9. an arc-shaped baffle plate; 10. a lower sieve plate; 11. a lower sieve plate; 12. a lower filter screen; 13. a speed reducer; 14. a stirring shaft; 15. a stirring blade; 16. and a temperature display.

Detailed Description

The utility model is described in detail below with reference to the attached drawing figures:

the first embodiment is as follows:

as shown in fig. 1-4, the present embodiment includes a filtering tank 1, an upper filtering device and a lower filtering device installed at intervals in the filtering tank 1, a stirring device vertically installed on the filtering tank 1, a heating device installed on the sidewall of the filtering tank 1, a feeding pipe 2 installed on the top of the filtering tank 1, and a discharging pipe 3 installed on the bottom of the filtering tank 1;

the inlet pipe 2 and the outlet pipe 3 are communicated with the inner cavity of the filtering tank body 1. Control valves are arranged on the feeding pipe 2 and the discharging pipe 3.

The upper filtering device comprises an upper sieve plate 4 fixedly arranged in a filtering tank body 1 and an upper filtering net 5 arranged on the upper sieve plate 4, wherein the mesh number of the upper filtering net 5 is 80-100 meshes;

the lower filtering device comprises a lower sieve plate 10 fixedly arranged in the filtering tank body 1 and a lower filtering net 11 arranged on the lower sieve plate 10, wherein the mesh number of the lower filtering net 11 is 100-150 meshes.

The heating device of the embodiment comprises a jacket 6 arranged on the outer wall of the filtering tank body 1, a steam inlet pipe 7 arranged on the upper side wall of the jacket 6 and a steam outlet pipe 8 arranged on the bottom wall of the jacket 6; control valves are arranged on the steam inlet pipe 7 and the steam outlet pipe 8;

the cavity between the jacket 6 and the outer wall of the filtering tank body 1 is a steam cavity, and steam input into the steam cavity is used for keeping the filtering tank body 1 at a constant temperature.

The stirring device of the embodiment comprises a driving motor 12 vertically arranged above a filtering tank body 1, a speed reducer 13 connected with a transmission shaft of the driving motor 12 and a stirring shaft 14 arranged in the filtering tank body 1 and connected with the speed reducer 13; the speed reducer 13 is connected with the top of the filter tank body 1 through a support, the stirring shaft 14 penetrates through the upper filter screen 5 and the upper sieve plate 4 in a clearance mode, and the bottom of the stirring shaft 14 is located above the lower filter device;

stirring blades 15 are provided on the stirring shaft 14 above and below the upper filtering device. This embodiment is located and filters jar 1 internal at 2 export fixed mounting arc baffle 9 of inlet pipe, the equipartition sets up the discharge opening on the arc baffle 9.

Example two:

the present embodiment is a further improvement on the basis of the first embodiment, and the reducer 13 of the present embodiment is a model number produced by zhejiang constant-tooth transmission limited: MTJAF127-Y7.5-4P-114.84-M5-A-130, and a speed reducer 13 of the type can drive a stirring shaft 14 to move up and down, so that materials are fully mixed before being filtered at each stage.

Example three:

the present embodiment is a further improvement on the first embodiment and the second embodiment, and the temperature display 16 is installed on the top of the filtering tank 1.

When the device is used for filtering, a feeding pipe 2 of a filtering tank body 1 is connected to a material pipeline, a steam inlet pipe 7 is opened to convey steam to a steam cavity, when the temperature in the filtering tank body 1 is observed to reach a preset temperature through a temperature display 16, a driving motor 12 and a speed reducer 13 are started to drive a stirring shaft 14 to rotate, the height of a stirring blade 15 is adjusted through the speed reducer 13 according to the amount of the material so that the material is contacted with the material, the molten material starts to enter the filtering tank body 1 from the feeding pipe 2, the material is buffered by an arc-shaped baffle plate 9 and then enters a distillation kettle from a discharging pipe 3 through an upper filtering device and a lower filtering device for rectification, and salt or mutually immiscible impurities are left on an upper filtering net 5 and a lower filtering net 11; after the salt or impurities on the upper filter screen 5 and the lower filter screen 11 reach a certain degree, the upper filter screen 5 and the lower filter screen 11 are dismantled for cleaning or replacement, and after cleaning is finished, the upper filter screen and the lower filter screen are installed on corresponding sieve plates to be used next time.

The upper filtering device and the lower filtering device divide a filtering tank body 1 into three parts, salt or impurities after filtering are left on each stage of filtering net, the filtering net and a sieve plate of the filtering device are embedded on the sieve plate through bolts and nuts, if the filtering net needs to be replaced, the filtering net can be replaced and cleaned only by disassembling the bolts, a stirring device is started before materials enter the filtering tank body 1, the stirring shaft drives a moving blade to rotate, and a speed reducer 13 can drive a stirring shaft to move up and down, so that the materials are fully mixed before filtering, the phenomenon that insoluble substances are unevenly distributed on the upper filtering device and the lower filtering device to influence the filtering effect is avoided, an arc-shaped baffle plate 9 is fixedly installed at the outlet of a feeding pipe 2, and the phenomenon that the upper filtering net 5 is damaged by large impact force when the materials are fed is avoided; and (3) introducing steam into a steam cavity of the heating device to keep the temperature in the filtering tank constant and enable the material to be in a molten state.

Claims

1. An organic chemical product filter is characterized by comprising a filtering tank body (1), an upper filtering device and a lower filtering device which are arranged in the filtering tank body (1) at intervals, a stirring device vertically arranged on the filtering tank body (1), a heating device arranged on the side wall of the filtering tank body (1), a feeding pipe (2) arranged at the top of the filtering tank body (1) and a discharging pipe (3) arranged at the bottom of the filtering tank body (1);

the feeding pipe (2) and the discharging pipe (3) are communicated with the inner cavity of the filtering tank body (1);

the heating device comprises a jacket (6) arranged on the outer wall of the filtering tank body (1), a steam inlet pipe (7) arranged on the upper side wall of the jacket (6) and a steam outlet pipe (8) arranged on the bottom wall of the jacket (6);

a cavity between the jacket (6) and the outer wall of the filtering tank body (1) is a steam cavity, and steam input into the cavity is used for keeping the filtering tank body (1) at a constant temperature;

the stirring device comprises a driving motor (12) vertically arranged above the filtering tank body (1), a speed reducer (13) connected with a transmission shaft of the driving motor (12) and a stirring shaft (14) arranged in the filtering tank body (1) and connected with the speed reducer (13); the speed reducer (13) is connected with the top of the filter tank body (1) through a support, the stirring shaft (14) penetrates through the upper filter screen (5) and the upper sieve plate (4) in a clearance mode, and the bottom of the stirring shaft (14) is located above the lower filter device;

stirring blades (15) are arranged on the stirring shaft (14) above and below the upper filtering device;

filter the inherent inlet pipe (2) of jar body (1) export fixed mounting cowl (9), the equipartition sets up the discharge opening on cowl (9).

2. The organic chemical product filter according to claim 1, wherein the upper filtering device comprises an upper sieve plate (4) fixedly installed in the filtering tank body (1) and an upper filtering net (5) arranged on the upper sieve plate (4), and the mesh number of the upper filtering net (5) is 80-100 meshes;

the lower filtering device comprises a lower sieve plate (10) fixedly arranged in the filtering tank body (1) and a lower filtering net (11) arranged on the lower sieve plate (10), and the mesh number of the lower filtering net (11) is 100-150 meshes.

3. An organic chemical product filter according to claim 1, characterized in that a temperature display (16) is installed on top of the filter tank (1).