CN210607476U

CN210607476U - Integrated humidifier

Info

Publication number: CN210607476U
Application number: CN201922194159.2U
Authority: CN
Inventors: 刘静; 艾佳
Original assignee: Shanghai Chuangyin Energy Technology Co Ltd
Current assignee: Shanghai Chuangyin Energy Technology Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-05-22
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses an integrated humidifier, which comprises a front end cover, a rear end cover, a humidifying cavity, a front packaging colloid, a rear packaging colloid, a plurality of hollow fiber membrane tubes and a heat exchanger; the hollow fiber membrane tubes are uniformly distributed in the humidifying cavity, the hollow fiber membrane tubes are internally provided with flow passages, the front packaging colloid and the rear packaging colloid are respectively fixed at the front end and the rear end of the humidifying cavity, and the hollow fiber membrane tubes penetrate through the front packaging colloid and the rear packaging colloid; the upper part of the humidifying cavity is respectively provided with a wet air inlet and a wet air outlet; the rear end cover is fixed at the rear end of the humidifying cavity and is provided with an air outlet; the front end cover, the heat exchanger and the front end of the humidifying cavity are connected in sequence; the front end cover is provided with an air inlet. The integrated humidifier of the utility model has better humidifying effect than the existing split humidifier; and simultaneously, the utility model discloses an integrated form humidifier has improved fuel cell system's compactedness.

Description

Integrated humidifier

Technical Field

The utility model relates to a fuel cell field, in particular to integrated form humidifier.

Background

The proton exchange membrane fuel cell is a power generation device which adopts a proton conductive polymer film as an electrolyte and utilizes the electrochemical reaction of hydrogen and oxygen in the air. The prior art shows that temperature and humidity control of the air entering the stack is required in order to improve fuel cell system power density and performance.

The prior art generally uses a water cooled heat exchanger and a hollow membrane tube humidifier for temperature and humidity regulation, and the independent heat exchanger and humidifier make the fuel cell system less compact.

There is a need for an integrated humidifier that can satisfy the damp heat control and improve the compactness of the fuel cell system to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an integrated humidifier, which can meet the damp and hot control requirements of the fuel cell and has better humidifying effect than the existing split humidifier; and simultaneously, the utility model discloses an integrated form humidifier has improved fuel cell system's compactedness, has improved fuel cell's space utilization.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the utility model provides an integrated humidifier, which comprises a front end cover, a rear end cover, a humidifying cavity, a front packaging colloid, a rear packaging colloid, a plurality of hollow fiber membrane tubes and a heat exchanger; the hollow fiber membrane tubes are uniformly distributed in the humidifying cavity, an in-tube runner is arranged in each hollow fiber membrane tube, the front packaging colloid and the rear packaging colloid are respectively fixed at the front end and the rear end of the humidifying cavity, the front packaging colloid, the outside of each hollow fiber membrane tube, the inside of the humidifying cavity and the rear packaging colloid form an out-tube runner together, and the hollow fiber membrane tubes penetrate through the front packaging colloid and the rear packaging colloid; the upper part of the humidifying cavity is respectively provided with a wet air inlet and a wet air outlet; the rear end cover is fixed at the rear end of the humidifying cavity and is provided with an air outlet; the front end cover, the heat exchanger and the front end of the humidifying cavity are sequentially connected; the front end cover is provided with an air inlet.

In the utility model, the humidifying cavity is used for humidifying the dry air inside the humidifying cavity.

In the utility model discloses, front end housing and rear end cap are used for forming the part with humidification cavity and heat exchanger and seal to realize the entering and the discharge of dry air.

In the utility model, the hollow fiber membrane tube is used for realizing the circulation of dry air and the dry-wet exchange of the dry air and the wet air;

preferably, the number of the hollow fiber membrane tubes is 3000-6000.

In the utility model, the front encapsulation body and the rear encapsulation body are used for matching the humidifying cavity forms an outer pipe flow passage.

In the utility model, the heat exchanger is used for realizing the heat exchange of dry air, and the heat exchanger is conventional in the field;

preferably, the heat exchanger is a finned heat exchanger, and the finned heat exchanger comprises an outer wall, fins, a cooling liquid pipeline, a cooling liquid inlet and a cooling liquid outlet; the cooling liquid pipeline is fixed on the outer wall, and the cooling liquid inlet and the cooling liquid outlet are arranged at two ends of the cooling liquid pipeline; the fins are fixed outside the cooling liquid pipeline, and by adopting the structure, the heat exchange efficiency can be improved, so that the whole device can play the greatest role in a limited space.

The utility model discloses in, humid air entry and humid air export are used for realizing the entering of humid air and the outflow of the humid air after the humidity exchanges.

The utility model discloses in, the operation flow of integrated form humidifier is:

dry air firstly enters the heat exchanger from the air inlet of the front end cover, and after heat exchange of the heat exchanger, the dry air enters an in-pipe flow channel of the hollow fiber membrane pipe; wet air enters the outer tube flow channel from a wet air inlet of the humidifying cavity, and wet heat exchange is carried out between dry air and the wet air to obtain humidification; the dry air after the damp and heat exchange flows out of the flow channel in the pipe, enters the rear end cover and leaves from the air outlet; the humid air after the heat and humidity exchange flows out from a humid air outlet of the humidifying cavity.

The utility model has the advantages and the beneficial effects that: the integrated humidifier of the utility model can meet the damp and hot control requirement of the fuel cell, and has better humidifying effect than the existing split humidifier; and simultaneously, the utility model discloses an integrated form humidifier has improved fuel cell system's compactedness, has improved fuel cell's space utilization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an integrated humidifier according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heat exchanger of an integrated humidifier according to an embodiment of the present invention.

Description of reference numerals:

1. a front end cover;

11. an air inlet;

2. a rear end cap;

21. an air outlet;

3. a heat exchanger;

31. an outer wall;

32. a coolant line;

33. a coolant inlet;

34. a coolant outlet;

35. a fin;

4. a humidifying cavity;

41. a humid air outlet;

42. a humid air inlet;

43. an external pipe flow channel;

5. a hollow fiber membrane tube;

51. a flow passage in the pipe;

61. front packaging colloid;

62. and then the colloid is encapsulated.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 and fig. 2, the present embodiment provides an integrated humidifier, which includes a front end cap 1, a rear end cap 2, a humidification chamber 4, a front encapsulant 61, a rear encapsulant 62, 4500 hollow fiber membrane tubes 5 (the number of tubes is too large, which cannot be shown one by one in the drawings, and is represented by a part of the hollow fiber membrane tubes), and a heat exchanger 3; the hollow fiber membrane tubes 5 are uniformly distributed in the humidifying cavity 4, an in-tube runner 51 is arranged in the hollow fiber membrane tubes 5, the front packaging colloid 61 and the rear packaging colloid 62 are respectively fixed at the front end and the rear end of the humidifying cavity 4, the front packaging colloid 61, the outside of the hollow fiber membrane tubes 5, the inside of the humidifying cavity 4 and the rear packaging colloid 62 jointly form an out-tube runner 43, and the hollow fiber membrane tubes 5 penetrate through the front packaging colloid 61 and the rear packaging colloid 62; the upper part of the humidifying cavity 4 is respectively provided with a wet air inlet 42 and a wet air outlet 41; the rear end cover 2 is fixed at the rear end of the humidifying cavity 4, and the rear end cover 2 is provided with an air outlet 21; the front end cover 1, the heat exchanger 3 and the front end of the humidifying cavity 4 are connected in sequence; the front end cover 1 is provided with an air inlet 11.

In the present embodiment, the humidification chamber 4 is used to achieve humidification of dry air inside thereof.

In this embodiment, the front end cover 1 and the rear end cover 2 are used for forming a partial seal between the humidifying cavity 4 and the heat exchanger 3 and realizing the inlet and outlet of dry air.

In this embodiment, the hollow fiber membrane tubes 5 are used to realize the circulation of dry air and the wet and dry exchange of dry air and wet air.

In this embodiment, the front encapsulant 61 and the back encapsulant 62 are used to form the tube outer channel 43 in cooperation with the humidification chamber 4.

In this embodiment, the heat exchanger 3 is used for exchanging heat of dry air, and the heat exchanger 3 is a fin heat exchanger, and includes an outer wall 31, fins 35, a coolant pipeline 32, a coolant inlet 33, and a coolant outlet 34; a coolant pipe 32 is fixed to the outer wall 31, and a coolant inlet 33 and a coolant outlet 34 are provided at both ends of the coolant pipe 32; the fins 35 are fixed to the outside of the coolant pipe 32.

In the present embodiment, the humid air inlet 42 and the humid air outlet 41 are used to achieve the entrance of the humid air and the exit of the humid air after the humidity exchange.

The integrated humidifier of the embodiment can meet the damp and hot control requirement of the fuel cell, and the humidifying effect is better than that of the existing split humidifier; and simultaneously, the utility model discloses an integrated form humidifier has improved fuel cell system's compactedness, has improved fuel cell's space utilization.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated humidifier is characterized by comprising a front end cover, a rear end cover, a humidifying cavity, a front packaging colloid, a rear packaging colloid, a plurality of hollow fiber membrane tubes and a heat exchanger; the hollow fiber membrane tubes are uniformly distributed in the humidifying cavity, an in-tube runner is arranged in each hollow fiber membrane tube, the front packaging colloid and the rear packaging colloid are respectively fixed at the front end and the rear end of the humidifying cavity, the front packaging colloid, the outside of each hollow fiber membrane tube, the inside of the humidifying cavity and the rear packaging colloid form an out-tube runner together, and the hollow fiber membrane tubes penetrate through the front packaging colloid and the rear packaging colloid; the upper part of the humidifying cavity is respectively provided with a wet air inlet and a wet air outlet; the rear end cover is fixed at the rear end of the humidifying cavity and is provided with an air outlet; the front end cover, the heat exchanger and the front end of the humidifying cavity are sequentially connected; the front end cover is provided with an air inlet.

2. The integrated humidifier according to claim 1, wherein the number of the hollow fiber membrane tubes is 3000 to 6000.

3. The integrated humidifier of claim 1, wherein the heat exchanger is a finned heat exchanger comprising an outer wall, fins, coolant conduits, a coolant inlet and a coolant outlet; the cooling liquid pipeline is fixed on the outer wall, and the cooling liquid inlet and the cooling liquid outlet are arranged at two ends of the cooling liquid pipeline; the fins are fixed to the outside of the coolant pipe.