CN118336023A - Hydrogen fuel cell air supply system with exhaust energy recovery structure - Google Patents
Hydrogen fuel cell air supply system with exhaust energy recovery structure Download PDFInfo
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- CN118336023A CN118336023A CN202410453375.7A CN202410453375A CN118336023A CN 118336023 A CN118336023 A CN 118336023A CN 202410453375 A CN202410453375 A CN 202410453375A CN 118336023 A CN118336023 A CN 118336023A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 7
- 238000010926 purge Methods 0.000 claims description 66
- 230000001105 regulatory effect Effects 0.000 claims description 21
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of automobiles, in particular to a hydrogen fuel cell air supply system with an exhaust gas energy recovery structure, wherein an air flow meter is connected with an expansion machine through an air flow meter joint pipe; the outlet of the expander is connected with the inlet of the air intercooler through an outlet pipe of the expander; the air intercooler outlet is connected with the air humidifier inlet through an intercooler outlet joint; the air main throttle valve is arranged at the outlet of the right side of the air humidifier; the bypass throttle valve is mounted to the left outlet of the air humidifier through bypass throttle valve switching. The invention can recycle the kinetic energy of the air after reaction by the expander to reduce the power consumption of the system; the liquid level sensor is arranged above the air-gas-water separator, so that the water level in the device can be accurately controlled to meet the design requirement, and then the water in the device is discharged and is provided with the tail exhaust back pressure throttle valve to control the air flow after reaction, and the air pressure in the electric pile is controlled to ensure the air flow during the reaction of the electric pile.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a hydrogen fuel cell air supply system with an exhaust gas energy recovery structure.
Background
The load power consumption is overlarge when the existing fuel cell works, wherein most of the power is consumed by an air compressor in the current main flow mode fuel cell structure, for example, when a pile emits 250kW of power, the load power of the air compressor can reach 50kW.
1. In the prior art, the hydrogen fuel cell system cannot recycle the energy of the air after the reaction, so that the load power consumption of the system is reduced;
2. the hydrogen fuel cell systems of the prior art do not prevent water vapor from entering the interior of the tank via the tank purge system;
3. In the prior art, an air supply system of the hydrogen fuel cell cannot accurately adjust the air humidity, and cannot provide accurate pressure for a reaction cavity;
4. In the prior art, the air supply quantity of the electric pile in the low power state cannot be accurately regulated by the air supply system of the hydrogen fuel cell, and the phenomenon of reverse polarity is caused by excessive air on the air side during the electric pile reaction, so that irreversible damage is caused to the inside of the electric pile.
Accordingly, a hydrogen fuel cell air supply system with an exhaust energy recovery structure has been proposed based on the above-described technical problems.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an air supply system for a hydrogen fuel cell with an exhaust energy recovery structure is designed.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
A hydrogen fuel cell air supply system with an exhaust energy recovery structure, comprising an air outlet manifold; an air outlet pipe; the box body sweeps the outlet pipe; an air inlet pipe; a bypass throttle valve; an air main throttle; an air humidifier; the box body purges the inlet pipe joint; the box body sweeps the inlet pipe; an expander outlet pipe; an air intercooler; an expander; an air recovery inlet pipe; an air-gas-water separator; an air tail pipe; an air mixing pipe; an air inlet sensor; an air inlet manifold; an air purge outlet fitting; a one-way valve; switching a bypass throttle valve; bypass throttle adapter; a throttle rubber tube is regulated in a split manner; a back pressure throttle; an intercooler outlet joint; an air flow meter; an air flow meter joint pipe; a liquid level sensor; a drainage electromagnetic valve; a throttle valve is regulated in a split-flow mode; a case; back pressure throttle valve transfer tube;
The air flow meter is connected with the expansion machine through an air flow meter joint pipe; the outlet of the expander is connected with the inlet of the air intercooler through an outlet pipe of the expander; the air intercooler outlet is connected with the air humidifier inlet through an intercooler outlet joint; the air main throttle valve is arranged at the outlet of the right side of the air humidifier; the bypass throttle valve is installed at the left outlet of the air humidifier through bypass throttle valve switching; the air main throttle valve and the bypass throttle valve are connected with an air inlet manifold after being converged through an air inlet pipe; the air inlet sensor is arranged above the air inlet manifold; the air inlet manifold is positioned at the right upper corner of the front end surface of the box body; the air outlet manifold is positioned at the left lower corner of the front end surface of the box body; the air outlet pipe connects the air outlet manifold with the air intercooler; the air humidifier is connected with the back pressure throttle valve through a back pressure throttle valve switching tube between the air humidifier and the air-water separator; the liquid level sensor is arranged at the middle upper part of the air-gas-water separator; the drainage electromagnetic valve is arranged at the lowest part of the air-gas-water separator; the outlet of the air-gas-water separator is connected with an air recovery inlet pipe and then is connected with an expansion machine upwards; the air tail exhaust pipe is connected with the exhaust gas interface of the expansion machine and the outlet of the drainage electromagnetic valve and then connected with the air mixing exhaust pipe; the box body purging inlet pipe is connected with an interface above the air intercooler and then connected with a box body purging inlet pipe joint; the box body purging inlet pipe joint is positioned at the lower part of the left end face of the box body; the air purging outlet pipe joint is positioned at the upper part of the right end face of the box body; the outlet of the air purging outlet pipe joint is downwards installed and connected with the purging outlet pipe of the box body; the one-way valve is arranged in the purging outlet pipe of the box body; the box body purging outlet pipe is connected above the air mixing pipe; the inlet flange surface of the bypass throttle adapter is connected with the bypass throttle through a bolt in a switching way; the inlet of the rubber tube of the split-flow regulating throttle valve is connected with the bypass throttle valve adapter, and the outlet of the rubber tube of the split-flow regulating throttle valve is connected with the flange of the inlet of the split-flow regulating throttle valve; the end face of the outlet of the split-flow regulating throttle valve is connected with an air mixing pipe through bolts; the box body is arranged above the air humidifier, the front end face of the box body is jointed with the flange face of the air inlet manifold and the flange face of the air outlet manifold, the left end face of the box body is jointed with the flange face of the purging inlet pipe joint of the box body, and the right end face of the box body is jointed with the flange face of the purging outlet pipe joint of the air inlet pipe.
Further, the pipe diameter of the box body purging outlet pipe is larger than that of the box body purging inlet pipe.
Further, the tank purge inlet pipe joint is positioned at the left lower part of the left end plate of the tank, and the air purge outlet pipe joint is positioned at the left upper part of the right end plate of the tank.
Further, an air flow meter is arranged in front of the inlet of the expander.
Further, the air inlet manifold is located above and the air outlet manifold is located below.
Further, the back pressure throttle valve is positioned at the outlet of the air humidifier and the inlet of the air-water separator.
Further, the air-gas-water separator is arranged below the air humidifier.
The beneficial effects of the invention are as follows:
1. the system can recycle the kinetic energy of the air after reaction through the expander to reduce the power consumption of the system;
2. the built-in check valve of the box body purging outlet pipe prevents water in the air mixing pipe from flowing into the box body reversely, so that corrosion in the box body and short circuit of electric parts caused by water vapor are prevented, meanwhile, the pipe diameter of the box body purging outlet pipe is designed to be smaller to limit the air amount used by purging the box body, and the pipe diameter of the box body purging outlet pipe is larger than that of the box body purging inlet pipe, so that gas in the box body is conveniently discharged;
3. the box body purging inlet and outlet pipe joints are arranged on two sides of the box body diagonally, so that the hydrogen escaping from the interior of the box body can be blown out to the greatest extent;
4. The liquid level sensor is arranged above the air-gas-water separator, so that the water level in the device can be accurately controlled to meet the design requirement and then the water is discharged;
5. an air flow sensor is arranged in front of an inlet of the expander, so that the air flow entering the system can be conveniently monitored;
6. the proportion of the wet air and the dry air of the pile-entering is adjusted by combining the dry air throttle valve and the wet air throttle valve, and the humidity of the pile-entering air is accurately controlled;
7. setting a tail exhaust back pressure throttle valve to control the air flow discharged after the reaction, and further controlling the air pressure in the electric pile to ensure the air volume in the electric pile reaction;
8. the air supply quantity required by the electric pile in the low power state is less, the air supply system cannot accurately provide a small quantity of high-pressure air, a pressure regulating throttle valve is arranged to directly discharge excessive air of the air supply system, and the air supply quantity of the system in the low power state is regulated to avoid the phenomenon of counter electrode of the system in the low power state;
9. an air inlet sensor is arranged at the air inlet manifold, so that the air pressure of the pile is conveniently monitored, and the positive feedback indication effect on the air supply quantity of the air supply system is achieved;
10. The structure that the air inlet manifold is positioned above and the air outlet manifold is positioned below is convenient for discharging moisture in the air after the reaction;
11. The dry air throttle valve is arranged, the wet air throttle valve is closed after the power-off state, and the dry air throttle valve is independently opened to supply dry air to the inside of the electric pile, so that the excessive moisture in the electric pile can be conveniently and rapidly discharged, and the effect of rapidly shutting down the engine is achieved;
12. the back pressure throttle valve is arranged at the outlet of the humidifier/the inlet of the air-water separator, so that the internal pressure of the electric pile can be controlled more accurately compared with the pressure of the air-water separator, so that more moisture in the air after reaction is reserved in the humidifier, and the humidifying capacity of the reaction air is improved;
13. The air-gas-water separator is positioned below the humidifier, so that all the water in the humidifier is conveniently discharged into the air-gas-water separator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a bottom view of the body of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. An air outlet manifold, 2, an air outlet pipe, 3, a box purge outlet pipe, 4, an air inlet pipe, 5, a bypass throttle valve, 6, an air main throttle valve, 7, an air humidifier, 8, a box purge inlet pipe joint, 9, a box purge inlet pipe, 10, an expander outlet pipe, 11, an air intercooler, 12, an expander, 13, an air recovery inlet pipe, 14, an air-water separator, 15, an air tail pipe, 16, an air mixing pipe, 17, an air inlet sensor, 18, an air inlet manifold, 19, an air purge outlet pipe joint, 20, a one-way valve, 21, a bypass throttle valve switching, 22, a bypass throttle switching joint, 23, a split-flow regulating throttle valve rubber pipe, 24, a back-pressure throttle valve, 25, an intercooler outlet joint, 26, an air flow meter, 27, an air flow meter joint pipe, 28, a liquid level sensor, 29, a drainage solenoid valve, 30, a split-flow regulating throttle valve, 31, a box, 32, and a back-pressure throttle switching joint.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a hydrogen fuel cell air supply system with an exhaust energy recovery structure includes an air outlet manifold 1; an air outlet pipe 2; the box body sweeps the outlet pipe 3; an air inlet pipe 4; a bypass throttle valve 5; an air main throttle 6; an air humidifier 7; the box body is purged to an inlet pipe joint 8; the box body sweeps the inlet pipe 9; an expander outlet pipe 10; an air intercooler 11; an expander 12; an air recovery inlet pipe 13; an air-gas-water separator 14; an air tail gauntlet 15; an air mix duct 16; an air inlet sensor 17; an air inlet manifold 18; an air purge outlet fitting 19; a one-way valve 20; bypass throttle switching 21; bypass throttle adapter 22; a throttle rubber pipe 23 is regulated in a split-flow mode; a back pressure throttle 24; an intercooler outlet joint 25; an air flow meter 26; an air flow meter joint pipe 27; a liquid level sensor 28; a drain solenoid valve 29; a split throttle 30; a case 31; a back pressure throttle transfer tube 32;
The air flow meter 26 is connected with the expander 12 through an air flow meter joint pipe 27; the outlet of the expander 12 is connected with the inlet of the air intercooler 11 through an expander outlet pipe 10; the outlet of the air intercooler 11 is connected with the inlet of the air humidifier 7 through an intercooler outlet joint 25; the air main throttle valve 6 is arranged at the right outlet of the air humidifier 11; the bypass throttle valve 5 is mounted to the left outlet of the air humidifier 11 through a bypass throttle valve adaptor 21; the air main throttle valve 6 and the bypass throttle valve 5 are connected with an air inlet manifold 18 after being converged by the air inlet pipe 4; an air inlet sensor 17 is mounted above the air inlet manifold 18; the air inlet manifold 18 is positioned at the right upper corner of the front end surface of the box 31; the air outlet manifold 1 is positioned at the left lower corner of the front end surface of the box body 31; an air outlet pipe 2 connects the air outlet manifold 1 with an air intercooler 11; the air humidifier 7 is connected with the back pressure throttle 24 through a back pressure throttle switching pipe 32 between the air humidifier 7 and the air-water separator 14; the liquid level sensor 28 is arranged at the middle upper part of the air-gas-water separator 14; the drain solenoid valve 29 is installed at the lowest part of the air-gas-water separator 14; the outlet of the air-gas-water separator 14 is connected with the air recovery inlet pipe 13 and then is connected with the expander 12 upwards; the air tail exhaust pipe 15 is connected with an exhaust gas interface of the expansion machine 12 and an outlet of the drainage electromagnetic valve 29 and then connected with the air mixing exhaust pipe 16; the box body purging inlet pipe 9 is connected with an interface above the air intercooler 11 and then connected with the box body purging inlet pipe joint 8; the tank body purging inlet pipe joint 8 is positioned at the lower part of the left end face of the tank body 31; the air purge outlet pipe joint 19 is positioned at the upper part of the right end face of the box body 31; the air purging outlet pipe joint 19 is installed downwards at the outlet and is connected with the box purging outlet pipe 3; the check valve 20 is arranged in the box body purging outlet pipe 3; the box body purging outlet pipe 3 is connected above the air mixing exhaust pipe 16; the inlet flange surface of the bypass throttle adapter 22 is connected with the bypass throttle adapter 21 through bolts; the inlet of the split-flow regulating throttle rubber tube 23 is connected with the bypass throttle adapter 22, and the outlet is connected with the inlet flange of the split-flow regulating throttle 30; the outlet end face of the split-flow regulating throttle valve 30 is connected with the air mixing exhaust pipe 16 through bolts; the box 31 is arranged above the air humidifier 7, the front end face of the box is jointed with the flange face of the air inlet manifold 18 and the flange face of the air outlet manifold 1, the left end face of the box is jointed with the flange face of the box purging inlet pipe joint 8, and the right end face of the box is jointed with the flange face of the air purging outlet pipe joint 19.
Further, the pipe diameter of the box purging outlet pipe 3 is larger than that of the box purging inlet pipe 9, the pipe diameter of the box purging outlet pipe is designed to be smaller so as to limit the air amount used by the box purging, and the pipe diameter of the box purging outlet pipe is larger than that of the box purging inlet pipe, so that gas in the box can be discharged conveniently.
Further, the structure that the tank purging inlet pipe joint 8 is positioned at the left lower part of the left end plate of the tank 31 and the air purging outlet pipe joint 19 is positioned at the left upper part of the right end plate of the tank 31 can blow out the hydrogen escaping from the inside of the tank to the greatest extent.
Further, an air flow meter 26 is provided before the expander 12 inlet to facilitate monitoring of the intake system air flow.
Further, the air inlet manifold 18 is located above and the air outlet manifold 1 is located below, so that the moisture in the air after the reaction can be easily discharged.
Further, the back pressure throttle valve 24 is positioned at the outlet of the air humidifier 7 and the inlet of the air-water separator 14, so that the internal pressure of the electric pile can be controlled more accurately than the pressure of the electric pile is positioned at the outlet of the air-water separator.
Further, the structure of the air-gas-water separator 14 below the air humidifier 7 facilitates the complete discharge of moisture in the humidifier into the air-gas-water separator.
All electric parts and components in the scheme are universal standard parts or parts known by the skilled person, the structure and principle of the electric parts and components are known by the skilled person through technical manuals or known by conventional experimental methods, the model and the scheme can be operated normally, all electric parts and the power supply matched with the electric parts are connected through wires, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, the following working principles are referred to, the electric connection is completed in sequence among the electric parts, and the detailed connection means are known in the art and are not used for explaining electric control.
One specific application of this embodiment is:
The expander 12 can utilize the kinetic energy of the air after reaction to accelerate the air entering the pile;
The air intercooler 11 can cool the air after being pressurized by the expander 12;
The air humidifier 7 can humidify the air entering the pile by utilizing the humidified air after the reaction is completed;
the air main throttle valve 6 and the bypass throttle valve 5 can control the proportion of humidified air and non-humidified air to adjust the humidity of the air entering the pile;
the back pressure throttle valve 24 can ensure the air pressure in the electric pile by adjusting the opening degree;
The check valve 20 in the box purge outlet pipe 3 can prevent the water vapor in the air mixing pipe 16 from flowing back into the box 31;
The air-gas-water separator 14 can separate the water in the reacted air to reduce the abrasion of the water molecules on the blades of the expander 12;
The air flow rate is smaller in the low power state, the expander 12 can provide the air quantity required by the redundant reaction, and the split-flow regulating throttle valve 30 can discharge the redundant air to avoid the phenomenon of counter-electrode caused by the redundant air.
The working process comprises the following steps: the air after being accelerated and pressurized by the expander 12 enters the air intercooler 11 for cooling, the cooled air enters the air humidifier 7, at the moment, one part of air increases the humidity of the air through the adsorption process of moisture in the air after being discharged from the stack, the other part of air is still in a non-humidified state, at the moment, the proportion of the humidified air to the non-humidified air is adjusted by controlling the opening and closing degree of the air main path throttle valve 6 and the bypass path throttle valve 5, and the humidity of the air entering the stack is further controlled.
The moisture generated by the reacted air enters the humidifier 7 to humidify the air entering the stack, the moisture in the air is reduced by the back pressure throttle valve 24 after the air exits the humidifier 7, the air enters the expander 12 to accelerate the air entering the stack for the second time by utilizing the unconsumed kinetic energy of the air, and finally the air is discharged into the atmosphere through the air mixing exhaust pipe 16.
A small part of air cooled by the air intercooler 11 enters the box 31 through the box purging inlet pipe 9, hydrogen leaked in the box 31 is blown out of the box 31, and the air entering the box 31 is discharged into the atmosphere through the box purging outlet pipe 3 and the air mixing exhaust pipe 16.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by one of ordinary skill in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A hydrogen fuel cell air supply system with exhaust energy recovery structure, characterized by: comprising an air outlet manifold (1); an air outlet pipe (2); the box body sweeps the outlet pipe (3); an air inlet pipe (4); a bypass throttle valve (5); an air main throttle valve (6); an air humidifier (7); a box purge inlet pipe joint (8); the box body is provided with a purging inlet pipe (9); an expander outlet pipe (10); an air intercooler (11); an expander (12); an air recovery inlet pipe (13); an air-water separator (14); an air tail gauntlet (15); an air mixing duct (16); an air inlet sensor (17); an air inlet manifold (18); an air purge outlet fitting (19); a one-way valve (20); bypass throttle switching (21); a bypass throttle adapter (22); a throttle rubber pipe (23) is regulated in a split-flow way; a back pressure throttle valve (24); an intercooler outlet joint (25); an air flow meter (26); an air flow meter joint pipe (27); a liquid level sensor (28); a water discharge solenoid valve (29); a split-flow regulating throttle (30); a case (31); a back pressure throttle transfer tube (32);
The air flow meter (26) is connected with the expansion machine (12) through an air flow meter joint pipe (27); the outlet of the expander (12) is connected with the inlet of the air intercooler (11) through an expander outlet pipe (10); the outlet of the air intercooler (11) is connected with the inlet of the air humidifier (7) through an intercooler outlet joint (25); the air main throttle valve (6) is arranged at the outlet of the right side of the air humidifier (11); the bypass throttle valve (5) is mounted to the left outlet of the air humidifier (11) through a bypass throttle valve switching (21); the air main throttle valve (6) and the bypass throttle valve (5) are connected with an air inlet manifold (18) after being converged by an air inlet pipe (4); the air inlet sensor (17) is arranged above the air inlet manifold (18); the air inlet manifold (18) is positioned at the right upper corner of the front end surface of the box body (31); the air outlet manifold (1) is positioned at the left lower corner of the front end surface of the box body (31); the air outlet pipe (2) connects the air outlet manifold (1) with an air intercooler (11); the air humidifier (7) is connected with the back pressure throttle valve (24) through a back pressure throttle valve switching tube (32) between the air humidifier and the air-air separator (14); the liquid level sensor (28) is arranged at the upper part of the middle of the air-gas-water separator (14); the drainage electromagnetic valve (29) is arranged at the lowest part of the air-gas-water separator (14); an outlet of the air-gas-water separator (14) is connected with an air recovery inlet pipe (13) and then is connected with the expander (12) upwards; the air tail exhaust pipe (15) is connected with an exhaust gas interface of the expansion machine (12) and an outlet of the water discharge electromagnetic valve (29) and then connected with the air mixing exhaust pipe (16); the box body purging inlet pipe (9) is connected with an interface above the air intercooler (11) and then connected with a box body purging inlet pipe joint (8); the box body purging inlet pipe joint (8) is positioned at the lower part of the left end face of the box body (31); the air purging outlet pipe joint (19) is positioned at the upper part of the right end face of the box body (31); the outlet of the air purging outlet pipe joint (19) is downwards installed and connected with the box purging outlet pipe (3); the one-way valve (20) is arranged in the box body purging outlet pipe (3); the box body purging outlet pipe (3) is connected above the air mixing pipe (16); the inlet flange surface of the bypass throttle adapter (22) is connected with the bypass throttle adapter (21) through bolts; an inlet of the split-flow regulating throttle rubber pipe (23) is connected with the bypass throttle adapter (22), and an outlet of the split-flow regulating throttle rubber pipe is connected with an inlet flange of the split-flow regulating throttle (30); the outlet end face of the split-flow adjusting throttle valve (30) is connected with the air mixing exhaust pipe (16) through bolts; the box body (31) is arranged above the air humidifier (7), the front end face of the box body is jointed with the flange face of the air inlet manifold (18) and the flange face of the air outlet manifold (1), the left end face of the box body is jointed with the flange face of the box body purging inlet pipe joint (8), and the right end face of the box body is jointed with the flange face of the air purging outlet pipe joint (19).
2. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: the pipe diameter of the box body purging outlet pipe (3) is larger than that of the box body purging inlet pipe (9).
3. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: the box body purging inlet pipe joint (8) is positioned at the left lower part of the left end plate of the box body (31), and the air purging outlet pipe joint (19) is positioned at the left upper part of the right end plate of the box body (31).
4. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: an air flow meter (26) is arranged in front of the inlet of the expander (12).
5. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: the air inlet manifold (18) is located above and the air outlet manifold (1) is located below.
6. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: the back pressure throttle valve (24) is positioned at the outlet of the air humidifier (7) and the inlet of the air-water separator (14).
7. A hydrogen fuel cell air supply system with an exhaust energy recovery structure according to claim 1, characterized in that: and the air-air separator (14) is arranged below the air humidifier (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410453375.7A CN118336023A (en) | 2024-04-16 | 2024-04-16 | Hydrogen fuel cell air supply system with exhaust energy recovery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410453375.7A CN118336023A (en) | 2024-04-16 | 2024-04-16 | Hydrogen fuel cell air supply system with exhaust energy recovery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118336023A true CN118336023A (en) | 2024-07-12 |
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ID=91765690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410453375.7A Pending CN118336023A (en) | 2024-04-16 | 2024-04-16 | Hydrogen fuel cell air supply system with exhaust energy recovery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118336023A (en) |
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2024
- 2024-04-16 CN CN202410453375.7A patent/CN118336023A/en active Pending
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