CN218210743U

CN218210743U - Gas diffusion layer heat treatment device

Info

Publication number: CN218210743U
Application number: CN202222426681.0U
Authority: CN
Inventors: 张伟; 操昭春; 李志洁
Original assignee: Anhui Enthalpy New Energy Technology Co ltd
Current assignee: Anhui Enthalpy New Energy Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-03
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to the technical field of heat treatment, in particular to a gas diffusion layer heat treatment device, which comprises a heat treatment furnace and a treatment box, wherein the top of the heat treatment furnace is communicated with a smoke exhaust pipe, the two ends of the interior of the treatment box are respectively provided with a heating cavity and a purification cavity, the exterior of the heating cavity is wound with a heating pipe, and the bottom of the heating pipe is communicated with a draught fan; the fixed annular pipe that is provided with in top of heating chamber inner wall, the both ends of annular socle portion all communicate has first communicating pipe, and the outside intercommunication of first communicating pipe has a plurality of inlet tubes, and the pipeline intercommunication is passed through to the one end at annular socle top has the circulating pump, and the one end intercommunication of circulating pump has second communicating pipe. Utilize the inside high temperature flue gas that produces of heat treatment furnace to heat the water heating of heating intracavity portion, realize the effect to waste heat recovery utilization, avoid the heat to scatter and disappear, improve the rate of utilization of the energy to under the effect of circulating pump, the water of heating intracavity portion constantly flows, has reached the more abundant quick effect of water heating.

Description

Gas diffusion layer heat treatment device

Technical Field

The utility model relates to a heat treatment technical field, specifically a gas diffusion layer heat treatment device.

Background

The fuel cell mainly comprises a membrane electrode and a bipolar plate, wherein the membrane electrode comprises a catalyst layer and a gas diffusion layer. The gas diffusion layer is composed of a substrate layer and a microporous layer and mainly has the functions of transferring reaction gas into the catalyst layer, discharging water generated by reaction in time, supporting the catalyst layer, dissipating heat generated by reaction in time and transferring electrons, and heat treatment is needed in the processing process of the gas diffusion layer.

For example, an improved heat treatment apparatus is disclosed in the prior art (CN 201620891594.4), which achieves the effects of conveniently placing a workpiece in a furnace body and preventing the workpiece from toppling over.

The furnace body can produce a large amount of heats in the use, does not set up the structure to these heat recovery utilization among the prior art, leads to these heats to obtain fine utilization to cause the heat to scatter and disappear, reduced the rate of utilization of the energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas diffusion layer heat treatment device to solve the problem that proposes in the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme:

a gas diffusion layer heat treatment device comprises a heat treatment furnace and a treatment box, wherein the top of the heat treatment furnace is communicated with a smoke exhaust pipe, two ends of the inside of the treatment box are respectively provided with a heating cavity and a purification cavity, a heating pipe is wound outside the heating cavity, the bottom of the heating pipe is communicated with an induced draft fan, and one end, far away from the heating pipe, of the induced draft fan is communicated with a wind outlet pipe;

the fixed annular pipe that is provided with in top of heating intracavity wall, the both ends of annular socle portion all communicate has first communicating pipe, the outside intercommunication of first communicating pipe has a plurality of inlet tubes, the one end at annular socle top has the circulating pump through the pipeline intercommunication, the one end intercommunication of circulating pump has second communicating pipe.

Further, the bottom of tub of discharging fume is linked together with the top of heating pipe, the second is run through communicating pipe and is handled the case, and extends to the inside in heating chamber, the circulating pump is fixed to be set up in the top of handling the case.

Further, the front of handling the case is close to the one end in heating chamber and is provided with the liquid level pipe, the both ends of liquid level pipe are linked together with the top and the bottom in heating chamber respectively.

Further, the top and the bottom of heating chamber communicate with water injection pipe and drain pipe respectively, the inside of water injection pipe and drain pipe all is provided with the valve.

Further, the inside that purifies the chamber is provided with filters cotton piece, one side fixed mounting panel of filtering cotton piece, the mounting panel passes through the bolt and handles case fixed connection, one side that the cotton piece was kept away from to the mounting panel is provided with the handle, the top intercommunication that purifies the chamber has the air outlet.

Further, the inside in purification chamber is provided with the water tank, the bottom intercommunication of water tank one side has the fluid-discharge tube, the inside of fluid-discharge tube is provided with the valve, the one end that the draught fan was kept away from to the tuber pipe sets up in the inside of water tank.

The utility model has the advantages that:

the utility model discloses heat treatment device utilizes the inside high temperature flue gas that produces of heat treatment furnace to heat the hydrothermal of intracavity portion, realizes avoiding the heat to scatter and disappear to waste heat recovery's effect, improves the rate of utilization of the energy to under the effect of circulating pump, the water of heating intracavity portion constantly flows, has reached the more abundant quick effect to the hydrothermal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

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

FIG. 2 is a schematic view of the external structure of the treatment tank of the present invention;

fig. 3 is a schematic view of the internal structure of the heating chamber of the present invention;

FIG. 4 is a schematic view of the inner structure of the purification chamber of the present invention;

the reference numbers in the figures are as follows: 1. a heat treatment furnace; 2. a treatment tank; 3. a smoke exhaust pipe; 4. a heating cavity; 5. a purification chamber; 6. heating a tube; 7. an annular tube; 8. a first communication pipe; 9. a water inlet pipe; 10. a circulation pump; 11. a second communicating pipe; 12. a liquid level tube; 13. a water injection pipe; 14. a drain pipe; 15. an induced draft fan; 16. an air outlet pipe; 17. filtering the cotton block; 18. mounting a plate; 19. an air outlet; 20. a water tank; 21. and a liquid discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a gas diffusion layer heat treatment device comprises a heat treatment furnace 1 and a treatment box 2, wherein the top of the heat treatment furnace 1 is communicated with a smoke exhaust pipe 3, two ends of the inside of the treatment box 2 are respectively provided with a heating cavity 4 and a purification cavity 5, a heating pipe 6 is wound outside the heating cavity 4, the bottom of the smoke exhaust pipe 3 is communicated with the top of the heating pipe 6, the bottom of the heating pipe 6 is communicated with an induced draft fan 15, and one end, away from the heating pipe 6, of the induced draft fan 15 is communicated with an air outlet pipe 16;

the induced draft fan 15 introduces high-temperature flue gas generated in the heat treatment furnace 1 into the heating pipe 6 through the smoke exhaust pipe 3, and then the high-temperature flue gas is exhausted into the purification cavity 5 through the air outlet pipe 16 for purification treatment, and the high-temperature flue gas can heat water in the heating cavity 4 when passing through the heating pipe 6, so that the effect of recycling waste heat is realized, heat loss is avoided, and the utilization rate of energy is improved;

the top of the inner wall of the heating chamber 4 is fixedly provided with a ring pipe 7, two ends of the bottom of the ring pipe 7 are communicated with a first communicating pipe 8, the outside of the first communicating pipe 8 is communicated with a plurality of water inlet pipes 9, one end of the top of the ring pipe 7 is communicated with a circulating pump 10 through a pipeline, the circulating pump 10 is fixedly arranged at the top of the treatment tank 2, one end of the circulating pump 10 is communicated with a second communicating pipe 11, and the second communicating pipe 11 penetrates through the treatment tank 2 and extends to the inside of the heating chamber 4;

under circulating pump 10's effect, the inside water of heating chamber 4 gets into inside first communicating pipe 8 through inlet tube 9, then passes through annular pipe 7 and circulating pump 10 in proper order, finally emits into again to heating chamber 4 inside by second communicating pipe 11, makes the inside water of heating chamber 4 constantly flow, has reached the more abundant quick effect of water heating.

The one end that the front of handling case 2 is close to heating chamber 4 is provided with liquid level pipe 12, and the both ends of liquid level pipe 12 are linked together with the top and the bottom in heating chamber 4 respectively, make things convenient for the staff to observe the inside water level in heating chamber 4.

The top and the bottom of heating chamber 4 communicate with water injection pipe 13 and drain pipe 14 respectively, and water injection pipe 13 and drain pipe 14's inside all is provided with the valve, and water injection pipe 13 is used for the inside water injection of heating chamber 4, and drain pipe 14 is used for the discharge of the inside water of heating chamber 4.

Purify the inside in chamber 5 and be provided with and filter cotton piece 17, filter cotton piece 17 can filter the impurity in the flue gas, filter one side fixed mounting panel 18 of cotton piece 17, mounting panel 18 passes through the bolt and handles case 2 fixed connection, mounting panel 18 with handle detachable connection between the case 2, thereby can pull down the cotton piece 17 of filtration and change, one side that the cotton piece 17 of filtration was kept away from to mounting panel 18 is provided with the handle, make things convenient for the staff to take off mounting panel 18, the top intercommunication that purifies chamber 5 has air outlet 19.

Purify the inside of chamber 5 and be provided with water tank 20, the bottom intercommunication of water tank 20 one side has fluid-discharge tube 21, and the inside of fluid-discharge tube 21 is provided with the valve, and the one end that draught fan 15 was kept away from to play tuber pipe 16 sets up in the inside of water tank 20, and inside the flue gas got into water tank 20 through going out tuber pipe 16, and the inside water of water tank 20 filters the foreign particles of flue gas, mutually supports with filtering cotton piece 17, improves the effect to gas cleaning.

The utility model provides a pair of gas diffusion layer heat treatment device's theory of operation as follows:

when the device is used, a furnace door of the heat treatment furnace 1 is opened, the gas diffusion layer is placed in the heat treatment furnace 1 for heat treatment, meanwhile, the induced draft fan 15 is started, high-temperature flue gas generated in the heat treatment furnace 1 enters the heating pipe 6 through the smoke exhaust pipe 3 and then enters the water tank 20 through the air outlet pipe 16, water in the water tank 20 filters impurity particles in the flue gas, the filtered flue gas flows upwards, passes through the filter cotton block 17 and is discharged to the outside air through the air outlet 19;

high temperature flue gas is when through heating pipe 6, can heat the water that heats chamber 4 inside, realize the effect to waste heat recovery and utilization, avoid the heat to scatter and disappear, the rate of utilization of the energy improves, start circulating pump 10 simultaneously, heat chamber 4 inside water passes through inside inlet tube 9 gets into first connecting pipe 8, then pass through annular pipe 7 and circulating pump 10 in proper order, finally emit into again to heating chamber 4 inside by second communicating pipe 11, make the water that heats chamber 4 inside constantly flow, reached the more abundant quick effect of water heating.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The heat treatment device for the gas diffusion layer comprises a heat treatment furnace (1) and a treatment box (2), and is characterized in that the top of the heat treatment furnace (1) is communicated with a smoke exhaust pipe (3), the two ends of the interior of the treatment box (2) are respectively provided with a heating cavity (4) and a purification cavity (5), the heating cavity (4) is externally wound with a heating pipe (6), the bottom of the heating pipe (6) is communicated with an induced draft fan (15), and one end, far away from the heating pipe (6), of the induced draft fan (15) is communicated with a wind outlet pipe (16);

the fixed ring pipe (7) that is provided with in top of heating chamber (4) inner wall, the both ends of ring pipe (7) bottom all communicate and have first communicating pipe (8), the outside intercommunication of first communicating pipe (8) has a plurality of inlet tubes (9), the one end at ring pipe (7) top is passed through the pipeline intercommunication and is had circulating pump (10), the one end intercommunication of circulating pump (10) has second communicating pipe (11).

2. The gas diffusion layer heat treatment device according to claim 1, wherein the bottom of the smoke exhaust pipe (3) is communicated with the top of the heating pipe (6), the second communication pipe (11) penetrates through the treatment box (2) and extends to the inside of the heating cavity (4), and the circulating pump (10) is fixedly arranged at the top of the treatment box (2).

3. The gas diffusion layer heat treatment device according to claim 1, wherein a liquid level pipe (12) is arranged at one end of the front surface of the treatment tank (2) close to the heating cavity (4), and two ends of the liquid level pipe (12) are respectively communicated with the top and the bottom of the heating cavity (4).

4. The thermal treatment device for the gas diffusion layer according to claim 1, wherein the top and the bottom of the heating chamber (4) are respectively communicated with a water injection pipe (13) and a water drainage pipe (14), and valves are respectively arranged inside the water injection pipe (13) and the water drainage pipe (14).

5. The gas diffusion layer heat treatment device according to claim 1, wherein a filter cotton block (17) is arranged inside the purification chamber (5), a mounting plate (18) is fixed on one side of the filter cotton block (17), the mounting plate (18) is fixedly connected with the treatment tank (2) through a bolt, a handle is arranged on one side, away from the filter cotton block (17), of the mounting plate (18), and an air outlet (19) is communicated with the top of the purification chamber (5).

6. The gas diffusion layer heat treatment device according to claim 1, wherein a water tank (20) is arranged inside the purification cavity (5), a liquid discharge pipe (21) is communicated with the bottom of one side of the water tank (20), a valve is arranged inside the liquid discharge pipe (21), and one end, away from the induced draft fan (15), of the air outlet pipe (16) is arranged inside the water tank (20).