Multi-cavity bubbling humidifying structure

Abstract

The utility model provides a bubbling humidifying structure with multiple cavities. The bubbling humidifying structure comprises a tank body, a bubbling structure is arranged in the tank body, and an air inlet pipe is connected to the bubbling structure; a water inlet pipe is arranged at the upper part of the side surface of the tank body and is connected with an electromagnetic valve; a water outlet pipe is arranged at the bottom of the side surface of the tank body and is connected with a heater; a water pump is connected to the heater and connected with a heat exchanger, and the heat exchanger is connected with an electromagnetic valve. According to the bubbling humidifying structure, the bubbling structure is made into a micropore aerator pipe formed by sintering metal powder, and gas is sprayed out at a high speed through micron holes to form more micron gas columns which are in direct contact with water, so that the contact area of the gas and the water is increased; and the temperature and the pressure of water in the tank body are adjusted through the electromagnetic valve and the heat exchanger, so that the required humidity can be obtained, and the control precision of the humidity is better realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell performance activation test technical field, especially in a kind of multi-chamber bubble humidification structure. BACKGROUND

[0002] After fuel cell production is completed, it needs to be activated for performance test, and its test equipment is fuel cell test bench, and in the whole test process, gas humidification is the core device of test bench, and its principle is to need to contact and mix gas and water to achieve the purpose of humidification. There are many humidification methods at present, including spray humidification, bubble humidification, membrane humidification and the like, and these humidification methods are selected and designed according to the power of fuel cell, and bubble humidification is the most widely used humidification method in small-power fuel cell test bench.

[0003] The existing basic bubble humidification (such as Figure 1 It is shown that gas is passed into water, and there are many glass balls in water, which increases the contact area of gas and water. The advantage of this humidification method is simple structure, convenient production, low cost, and can meet the use of small-power fuel cell. But its temperature and humidity control are slow, because the temperature change of glass ball and water needs more time to balance, so that the control precision of humidity is difficult. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of multi-chamber bubble humidification structure according to the technical problem in the above background technology.

[0005] The utility model solves the above technical problem by the following technical scheme:

[0006] The utility model provides a kind of multi-chamber bubble humidification structure. The bubble humidification structure includes: tank body, bubble structure is equipped in the tank body, air inlet pipe is connected on the bubble structure, and the air inlet pipe extends out through the tank body;Water inlet pipe is equipped on the upper portion of the side of the tank body, and electromagnetic valve is connected on the water inlet pipe;Water outlet pipe is set up on the bottom of the side of the tank body, and heater is connected on the water outlet pipe;

[0007] Water pump is connected on the heater, the water pump is connected with heat exchanger, and the heat exchanger is connected with the electromagnetic valve.

[0008] Preferably, the bubble structure includes a sealed circular plate, a central circular hole is formed in the center of the sealed circular plate, four bottom holes are evenly arranged around the central circular hole, a hollow cylindrical pipe with the same diameter as the sealed circular plate is welded below the sealed circular plate, a second sealed circular plate is welded below the hollow cylindrical pipe, forming a whole chamber of the bubble structure.

[0009] Preferably, a circular pipe joint is welded on the center circular hole, and four cylindrical hollow rods are welded on the bottom holes respectively, and the circular pipe joint is connected with the air inlet pipe.

[0010] Preferably, the height of the hollow cylindrical pipe is half of the height of the cylindrical hollow rod.

[0011] Preferably, the material of the hollow cylindrical pipe and the cylindrical hollow rod is micron-pore material formed by metal powder sintering.

[0012] Preferably, the material of the two sealing circular plates and the circular pipe joint is stainless steel material.

[0013] The positive progress effect of the utility model lies in: the utility model provides a multi-chamber bubble humidifying structure. The bubble humidifying structure includes a tank body, a bubble structure is arranged in the tank body, and an air inlet pipe is connected to the bubble structure; a water inlet pipe is arranged on the upper portion of the side surface of the tank body, and an electromagnetic valve is connected to the water inlet pipe; a water outlet pipe is arranged on the bottom portion of the side surface of the tank body, and a heater is connected to the water outlet pipe; a water pump is connected to the heater, the water pump is connected with a heat exchanger, and the heat exchanger is connected with the electromagnetic valve. The bubble humidifying structure of the utility model is made into the form of a micron-pore aeration pipe formed by metal powder sintering, gas is sprayed at high speed through the micron-pores, more micron-pore gas columns are formed, the micron-pore gas columns are directly contacted with water, the area of the contact between the gas and the water is increased, the temperature and the pressure of the water in the tank body are adjusted through the electromagnetic valve and the heat exchanger, the required humidity can be obtained, and the control precision of the humidity is better realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a simple structure schematic view of the bubble humidifying structure of the prior art.

[0015] Figure 2 It is a simple structure schematic view of the multi-chamber bubble humidifying structure of the utility model.

[0016] Figure 3 It is a simple structure schematic view of the bubble structure of the utility model.

[0017] Figure 4 It is a top view schematic view of the bubble structure of the utility model.

[0018] Legend: 1, tank body; 2, bubble structure; 3, air inlet pipe; 4, water inlet pipe; 5, air outlet pipe; 6, water outlet pipe; 7, electromagnetic valve; 8, heat exchanger; 9, water pump; 10, heater; 21, sealing circular plate; 22, center circular hole; 23, bottom hole; 24, hollow cylindrical pipe; 25, cylindrical hollow rod; 26, circular pipe joint. DETAILED DESCRIPTION

[0019] The utility model is further illustrated below by way of examples, but does not limit the utility model to the scope of the examples.

[0020] Embodiment 1

[0021] As Figure 2 shown, the embodiment provides a multi-chamber bubble humidification structure. The bubble humidification structure comprises a tank body 1, a bubble structure 2, an air inlet pipe 3, a water inlet pipe 4, an air outlet pipe 5, a water outlet pipe 6, a solenoid valve 7, a heat exchanger 8, a water pump 9 and a heater 10, the tank body 1 is internally provided with the bubble structure 2, the bubble structure 2 is connected with the air inlet pipe 3, the air inlet pipe 3 extends out through the tank body 1; the upper part of the side of the tank body 1 is provided with the water inlet pipe 4, the water inlet pipe 4 is connected with the solenoid valve 7; the bottom of the side of the tank body 1 is provided with the water outlet pipe 6, the water outlet pipe 6 is connected with the heater 10; the heater 10 is connected with the water pump 9, the water pump 9 is connected with the heat exchanger 8, and the heat exchanger 8 is connected with the solenoid valve 7.

[0022] As Figures 3-4 shown, in the embodiment, the bubble structure 2 comprises a sealed circular plate 21, a central circular hole 22 is formed in the center of the sealed circular plate 21, four bottom holes 23 are uniformly arranged around the central circular hole 22, a hollow cylindrical pipe 24 with the same diameter as the sealed circular plate 21 is welded below the sealed circular plate 21, a second sealed circular plate 21 is welded below the hollow cylindrical pipe 24, forming a whole chamber of the bubble structure 2.

[0023] In the embodiment, a circular pipe joint is welded on the central circular hole 22, four cylindrical hollow rods 25 are welded on the four bottom holes 23 respectively, and the circular pipe joint 26 is connected with the air inlet pipe 3. The height of the hollow cylindrical pipe 24 is half of the height of the cylindrical hollow rod 25.

[0024] In the embodiment, the materials of the hollow cylindrical pipe 24 and the cylindrical hollow rod 25 are micron pore materials formed by metal powder sintering. The materials of the upper and lower two sealed circular plates 21 and the circular pipe joint 26 are stainless steel materials. Specifically, the hollow cylindrical pipe 24 and the cylindrical hollow rod 25 adopt micron pore materials formed by metal powder sintering, which has the advantage that the humidification gas can be sprayed out at high speed through a large number of micropores, more micron gas columns are formed, the contact area of the humidification gas and water is increased, so that the required humidity can be calculated by adjusting the temperature and pressure of the water in the tank body 1; the remaining upper and lower two sealed circular plates 21 and the circular pipe joint 26 are all stainless steel materials, the overall structure is simple to process, and can be independently processed, and finally can be formed by assembling and welding.

[0025] The embodiment provides a multi-chamber bubble humidifying structure. The bubble humidifying structure comprises a tank body, wherein a bubble structure is arranged in the tank body, and an air inlet pipe is connected to the bubble structure; a water inlet pipe is arranged on the upper side of the tank body, and an electromagnetic valve is connected to the water inlet pipe; a water outlet pipe is arranged on the bottom side of the tank body, and a heater is connected to the water outlet pipe; a water pump is connected to the heater, the water pump is connected with a heat exchanger, and the heat exchanger is connected with the electromagnetic valve. The bubble humidifying structure is in the form of a microporous aeration pipe sintered by metal powder, gas is sprayed at high speed through micropores, more micrometer gas columns are formed, water is directly contacted, the area of gas and water contact is increased, the temperature and pressure of water in the tank body are adjusted through the electromagnetic valve and the heat exchanger, the required humidity is obtained, and the control precision of humidity is better realized.

[0026] The working principle of the utility model is: gas enters into the bubble structure 2 in the tank body 1 through the air inlet pipe 3, the gas can be discharged from the tank body 1 through the air outlet pipe 5, the electromagnetic valve 7 is opened, the water pump 9 starts to work, water enters into the tank body through the water inlet pipe 4, when the water level in the tank body 1 reaches a certain height, the heater 10 starts to work to heat the water in the tank body 1, when the water reaches the required specified temperature, the heater 10 is closed, the gas is sprayed at high speed through the cylindrical hollow rod 25 and the hollow circular pipe column of the bubble structure 2, more micrometer gas columns are formed, and the contact area of gas and water is increased. The water vapor temperature (dew point temperature) in the sealed tank body 1 can be controlled through the heat exchanger 8, and the required humidity value is calculated according to the obtained dew point temperature.

[0027] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that this is only an example, the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, and these changes and modifications all fall within the protection scope of the utility model.

Claims

1. A multi-chamber bubbling humidification structure, characterized in that, The bubbling humidification structure includes: a tank body, an internal bubbling structure, an air inlet pipe connected to the bubbling structure, the air inlet pipe extending out through the tank body; a water inlet pipe on the upper side of the tank body, a solenoid valve connected to the water inlet pipe; and a water outlet pipe at the bottom side of the tank body, a heater connected to the water outlet pipe. A water pump is connected to the heater, the water pump is connected to a heat exchanger, and the heat exchanger is connected to the solenoid valve.

2. The multi-chamber bubbling humidification structure as described in claim 1, characterized in that, The bubbling structure includes a sealing circular plate with a central circular hole at its center and four bottom holes evenly distributed around the central circular hole. A hollow cylindrical tube with the same diameter as the sealing circular plate is welded below the sealing circular plate, and a second sealing circular plate is welded below the hollow cylindrical tube, forming an integral chamber of the bubbling structure.

3. The multi-chamber bubbling humidification structure as described in claim 2, characterized in that, A circular pipe connector is welded to the central circular hole, and four cylindrical hollow rods are welded to the bottom holes respectively. The circular pipe connector is connected to the air intake pipe.

4. The multi-chamber bubbling humidification structure as described in claim 3, characterized in that, The height of the hollow cylindrical tube is half the height of the hollow cylindrical rod.

5. The multi-chamber bubbling humidification structure as described in claim 4, characterized in that, The hollow cylindrical tube and the hollow cylindrical rod are made of a micron-porous material formed by sintering metal powder.

6. The multi-chamber bubbling humidification structure as described in claim 5, characterized in that, The two sealing discs and the pipe joint are made of stainless steel.

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