CN219002549U

CN219002549U - Waste gas treatment equipment for polyimide production

Info

Publication number: CN219002549U
Application number: CN202223373122.4U
Authority: CN
Inventors: 许建军
Original assignee: Suzhou Kymler Insulation Materials Co ltd
Current assignee: Suzhou Kymler Insulation Materials Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-12
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to the field of polyimide production equipment, in particular to waste gas treatment equipment for polyimide production, which comprises the following components: a box cover is arranged above the box body, an air outlet pipe is arranged on the surface of the box cover, an installation seat is arranged at the end part of the air outlet pipe, and an inserting groove is formed in the inner wall of the installation seat; the moisture absorption pipe is inserted into the mounting seat, a plugboard is arranged on the side surface of the moisture absorption pipe, and a clamping block is arranged on the surface of the plugboard; the first condensing plate is arranged in the moisture absorption pipe, the second condensing plate is arranged above the first condensing plate, and the third condensing plate is arranged above the second condensing plate; the beneficial effects are as follows: through set up condensation plate No. one, no. two condensation plates and No. three condensation plates in the inside of hygroscopic pipe, carry out multistage condensation and backward flow to the steam in the exhaust gas, reduced the water content of exhaust gas by a wide margin, prolonged the time that the hygroscopic column was saturated of hygroscopic, increased the live time of hygroscopic pipe, reduced the change number of times of hygroscopic pipe, improved work efficiency.

Description

Waste gas treatment equipment for polyimide production

Technical Field

The utility model relates to the field of polyimide production equipment, in particular to waste gas treatment equipment for polyimide production.

Background

The fluorine-containing layer polyimide composite material is formed by compounding one or more layers of fluorine-containing materials on one side or both sides of a polyimide film and sintering, has excellent electrical performance, requires a temperature of 300 ℃ when the fluorine-containing material is hot pressed with polyimide, adopts solvent type raw materials in the prior art, takes away solvents by hot air when heating, and leads to unmanned environment when the hot air with the solvents is discharged into the air;

the publication number is: CN207899223U discloses a waste gas treatment device for polyimide production, which uses hot air discharged by the production device through a heat exchange device to heat room temperature air to above 160 ℃, so that the temperature of the air with solvent is lower than 130 ℃ when the air with solvent enters a solvent recovery device, the energy consumption is saved by above 48%, the composite yield of fluorine-containing material and polyimide film is consistent, the solvent residue in the gas from a cooling pipe is less than 7%, and the solvent and other pollutants are hardly detected by the gas discharged from a moisture absorption pipe after water treatment and moisture absorption treatment;

however, the moisture absorption pipe is easy to saturate in continuous operation, so that the moisture absorption performance is reduced, frequent replacement of the moisture absorption pipe is required, time and labor are wasted, and the working efficiency is affected.

Disclosure of Invention

The present utility model is directed to an exhaust gas treatment apparatus for polyimide production, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an exhaust gas treatment apparatus for polyimide production, the apparatus comprising:

the box body is provided with a box cover above, the surface of the box cover is provided with an air outlet pipe, the end part of the air outlet pipe is provided with a mounting seat, and the inner wall of the mounting seat is provided with a splicing groove;

the moisture absorption pipe is inserted into the mounting seat, a plugboard is arranged on the side surface of the moisture absorption pipe, and a clamping block is arranged on the surface of the plugboard;

the first condensing plate is arranged in the moisture absorption pipe, the second condensing plate is arranged above the first condensing plate, and the third condensing plate is arranged above the second condensing plate.

Preferably, the bottom of box is provided with the outlet pipe, and the inside of box is equipped with water, and the box can dismantle with the case lid and be connected, and the surface of case lid is provided with inlet tube and intake pipe, and outlet piping connection has the opening and closing valve, and the one end and the condenser union coupling of inlet tube, the other end of inlet tube insert in the aquatic, outlet pipe and outlet duct all set up on the surface of water.

Preferably, the mounting seat is fixedly connected with the air outlet pipe, the bottom surface of the inner wall of the mounting seat is provided with a sealing groove, and a sealing ring is arranged in the sealing groove and is made of elastic materials.

Preferably, two groups of inserting grooves are formed, the two groups of inserting grooves are symmetrically formed, and clamping grooves are formed in the side walls of the inserting grooves.

Preferably, the bottom of the moisture absorption pipe is provided with a sealing ring, the sealing ring and the moisture absorption pipe are of an integral structure, the sealing ring is inserted into the sealing groove, and the inner wall of the top end of the moisture absorption pipe is fixedly provided with a moisture absorption column.

Preferably, the plugboard is provided with two groups, the plugboard and the clamping block are of an integral structure, the plugboard is made of elastic materials, the plugboard is slidably inserted into the pluggroove, and the pressing block is fixedly arranged at the end part of the plugboard.

Preferably, the inner wall fixed connection of condensation plate and wet absorption pipe, one side of condensation plate orientation outlet duct sets up to the cambered surface, and No. two condensation plates set up in one side that the outlet duct was kept away from to the condensation plate, no. two condensation plates and wet absorption pipe's inner wall fixed connection, no. two condensation plates are the funnel form of inversion, and the multiunit guiding hole has been seted up to No. two condensation plates's surface.

Preferably, the third condensing plate is in a spherical plate-shaped structure, and the third condensing plate is fixedly connected with the second condensing plate through a connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the waste gas treatment equipment for polyimide production, provided by the utility model, the first condensing plate, the second condensing plate and the third condensing plate are arranged in the moisture absorption pipe, so that the water vapor in the exhaust gas is subjected to multistage condensation and reflux, the water content of the exhaust gas is greatly reduced, the moisture absorption saturation time of the moisture absorption column is prolonged, the service time of the moisture absorption pipe is prolonged, the replacement times of the moisture absorption pipe are reduced, and the working efficiency is improved;

through setting up plugboard and fixture block, just have the grafting of wet absorption pipe, improved the change rate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a moisture absorption tube according to the present utility model;

fig. 4 is a schematic cross-sectional view of the mounting base of the present utility model.

In the figure: the box body 1, the box cover 10, the air inlet pipe 11, the water inlet pipe 12, the water outlet pipe 13, the air outlet pipe 14, the mounting seat 15, the inserting groove 16, the clamping groove 17, the sealing groove 18, the moisture absorption pipe 2, the inserting plate 21, the clamping block 22, the pressing block 23, the sealing ring 24, the first condensation plate 3, the second condensation plate 31, the water guide hole 32, the third condensation plate 33, the connecting rod 34, the moisture absorption column 4 and the sealing ring 5.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution:

an exhaust gas treatment apparatus for polyimide production, the apparatus comprising: a box cover 10 is arranged above the box body 1, an air outlet pipe 14 is arranged on the surface of the box cover 10, an installation seat 15 is arranged at the end part of the air outlet pipe 14, and a plugging groove 16 is formed in the inner wall of the installation seat 15; the moisture absorption pipe 2 is inserted into the mounting seat 15, a plugboard 21 is arranged on the side surface of the moisture absorption pipe 2, and a clamping block 22 is arranged on the surface of the plugboard 21; the first condensing plate 3 is arranged in the moisture absorption pipe 2, the second condensing plate 31 is arranged above the first condensing plate 3, and the third condensing plate 33 is arranged above the second condensing plate 31; the bottom of the box body 1 is provided with a water outlet pipe 13, water is filled in the box body 1, the box body 1 is detachably connected with the box cover 10, and the surface of the box cover 10 is provided with a water inlet pipe 12 and an air inlet pipe 11;

the vapor in the gas discharged through the gas outlet pipe 14 flows back through the condensation plate 3, then flows back through the condensation plate 31, and then flows back through the condensation plate 33, and the vapor flows back through the water guide hole 32, so that the water content in the gas is greatly reduced, and the water guide pipe 2 is convenient to replace by arranging the plug-in type moisture absorption pipe 2.

Example two

On the basis of the first embodiment, in order to realize the disassembly and assembly of the moisture absorption pipe 2, the installation seat 15 is fixedly connected with the air outlet pipe 14, the bottom surface of the inner wall of the installation seat 15 is provided with a sealing groove 18, and the inside of the sealing groove 18 is provided with a sealing ring 5; two groups of inserting grooves 16 are formed, the two groups of inserting grooves 16 are symmetrically formed, and clamping grooves 17 are formed in the side walls of the inserting grooves 16; the bottom of the moisture absorption pipe 2 is provided with a sealing ring 24, the sealing ring 24 and the moisture absorption pipe 2 are of an integral structure, the sealing ring 24 is inserted into the sealing groove 18, and the inner wall of the top end of the moisture absorption pipe 2 is fixedly provided with a moisture absorption column 4; the plug board 21 is provided with two groups, the plug board 21 and the clamping block 22 are of an integral structure, the plug board 21 is made of elastic materials, the plug board 21 is slidably inserted into the plug groove 16, and the end part of the plug board 21 is fixedly provided with a pressing block 23;

the plug board 21 is aligned with the plug groove 16, the moisture absorption tube 2 is inserted into the mounting seat 15, the sealing ring 24 is used for extruding the sealing ring 5, when the clamping block 22 is aligned with the clamping groove 17, the clamping block 22 is clamped into the clamping groove 17 by the resilience force of the moisture absorption tube 2, so that the moisture absorption tube 2 is mounted, the clamping block 22 is separated from the clamping groove 17 by pressing the pressing block 23, and then the moisture absorption tube 2 is pulled out from the mounting seat 15, so that the moisture absorption tube 2 can be dismounted.

Example III

On the basis of the second embodiment, in order to reduce the water content in the exhaust gas, the first condensation plate 3 is fixedly connected with the inner wall of the moisture absorption pipe 2, one side of the first condensation plate 3 facing the air outlet pipe 14 is set to be an arc surface, the second condensation plate 31 is arranged on one side of the first condensation plate 3 far away from the air outlet pipe 14, the second condensation plate 31 is fixedly connected with the inner wall of the moisture absorption pipe 2, the second condensation plate 31 is in an inverted funnel shape, and a plurality of groups of water guide holes 32 are formed in the surface of the second condensation plate 31; the third condensing plate 33 is in a spherical plate-shaped structure, and the third condensing plate 33 is fixedly connected with the second condensing plate 31 through a connecting rod 34.

The inside of the moisture absorption pipe 2 is discharged through the outlet duct 14, when the cambered surface of the first condensing plate 3 passes, water vapor in the gas condenses on the cambered surface of the first condensing plate 3, and flows back through the inner walls of the first condensing plate 3 and the moisture absorption pipe 2, the gas passes through the first condensing plate 3 and then contacts with the surface of the second condensing plate 31, residual water vapor in the gas condenses on the surface of the second condensing plate 31, flows back through the inner walls of the second condensing plate 31 and the moisture absorption pipe 2, passes through the air outlet of the second condensing plate 31 and then contacts with the surface of the third condensing plate 33, the water vapor in the gas condenses on the surface of the third condensing plate 33, flows back to the surface of the second condensing plate 31 through the edge of the third condensing plate 33, and flows back through the water guide hole 32, and the water content in the discharged gas is greatly reduced at the moment.

When the novel moisture absorption device is used, the plugboard 21 is aligned with the plugboard 16, the moisture absorption tube 2 is inserted into the installation seat 15, the clamping block 22 is clamped into the clamping groove 17 to fix the moisture absorption tube 2, gas exhausted from the air outlet pipe 14 enters the moisture absorption tube 2, the water content in the gas is greatly reduced through multistage condensation of the first condensation plate 3, the second condensation plate 31 and the third condensation plate 33, and then the dry gas is exhausted through adsorption of the moisture absorption column 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An exhaust treatment device for polyimide production, which is characterized in that: the waste gas treatment device for polyimide production comprises:

the box body (1), the top of box body (1) is provided with case lid (10), the surface of case lid (10) is provided with outlet duct (14), mount pad (15) is installed to the tip of outlet duct (14), and spliced groove (16) has been seted up to the inner wall of mount pad (15);

the moisture absorption pipe (2), the moisture absorption pipe (2) is inserted into the mounting seat (15), a plugboard (21) is arranged on the side surface of the moisture absorption pipe (2), and a clamping block (22) is arranged on the surface of the plugboard (21);

the condensation plate (3) is arranged in the moisture absorption pipe (2), the condensation plate (31) is arranged above the condensation plate (3), and the condensation plate (33) is arranged above the condensation plate (31).

2. The exhaust gas treatment apparatus for polyimide production according to claim 1, wherein: the water tank is characterized in that a water outlet pipe (13) is arranged at the bottom of the tank body (1), water is filled in the tank body (1), the tank body (1) is detachably connected with a tank cover (10), and a water inlet pipe (12) and an air inlet pipe (11) are arranged on the surface of the tank cover (10).

3. An exhaust gas treatment apparatus for polyimide production according to claim 2, wherein: the installation seat (15) is fixedly connected with the air outlet pipe (14), the bottom surface of the inner wall of the installation seat (15) is provided with a sealing groove (18), and a sealing ring (5) is arranged in the sealing groove (18).

4. An exhaust gas treatment apparatus for polyimide production according to claim 3, wherein: two groups of inserting grooves (16) are formed, the two groups of inserting grooves (16) are symmetrically formed, and clamping grooves (17) are formed in the side walls of the inserting grooves (16).

5. The apparatus for treating an exhaust gas for polyimide production according to claim 4, wherein: the bottom of the moisture absorption pipe (2) is provided with a sealing ring (24), the sealing ring (24) and the moisture absorption pipe (2) are of an integral structure, the sealing ring (24) is inserted into the sealing groove (18), and a moisture absorption column (4) is fixedly arranged on the inner wall of the top end of the moisture absorption pipe (2).

6. The exhaust gas treatment apparatus for polyimide production according to claim 5, wherein: the plug board (21) is provided with two groups, the plug board (21) and the clamping block (22) are of an integral structure, the plug board (21) is made of elastic materials, the plug board (21) is slidably inserted into the plug groove (16), and a pressing block (23) is fixedly arranged at the end part of the plug board (21).

7. The apparatus for treating an exhaust gas for polyimide production according to claim 6, wherein: the utility model discloses a condenser plate (3) and inner wall fixed connection of wet pipe (2), one side that condenser plate (3) was towards outlet duct (14) sets up to the cambered surface, no. two condenser plates (31) set up in one side that condenser plate (3) kept away from outlet duct (14), no. two condenser plates (31) and inner wall fixed connection of wet pipe (2), no. two condenser plates (31) are the funnel form of inversion, multiunit water guide hole (32) have been seted up to the surface of No. two condenser plates (31).

8. The exhaust gas treatment apparatus for polyimide production according to claim 7, wherein: the third condensing plate (33) is in a spherical plate-shaped structure, and the third condensing plate (33) is fixedly connected with the second condensing plate (31) through a connecting rod (34).