Device and method for removing carbon monoxide in hydrogen-rich gas

Abstract

The invention discloses a device for removing carbon monoxide in hydrogen-rich gas, which belongs to the technical field of hydrogen fuel cells and comprises a hydrogen-rich gas introduction mechanism, an air introduction mechanism, a multi-stage carbon monoxide removal mechanism and a gas discharge mechanism, the invention further discloses a removal method of the device for removing the carbon monoxide in the hydrogen-rich gas. According to the device, the first-stage carbon monoxide remover, the second-stage carbon monoxide remover and the third-stage carbon monoxide remover are arranged, carbon monoxide in the hydrogen-rich gas can be removed through multi-stage reaction, the removal efficiency of the carbon monoxide is improved, and the purity of the hydrogen-rich gas is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hydrogen fuel cells, and particularly relates to a device and method for removing carbon monoxide in hydrogen-rich gas. BACKGROUND

[0002] A hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrical energy.

[0003] Hydrogen-rich gas, as fuel for a hydrogen fuel cell, is an important component of a hydrogen fuel cell, and the content of internal carbon monoxide needs to be strictly controlled.

[0004] At present, the method for removing carbon monoxide in hydrogen-rich gas generally adopts a method of preferential oxidation of carbon monoxide to remove carbon monoxide in hydrogen-rich gas. This method has the problem that the amount of air is difficult to accurately control. Too little air will result in incomplete removal of carbon monoxide, and too much air will cause hydrogen to be consumed, thereby reducing the removal efficiency of carbon monoxide.

[0005] In view of this, a device and method for removing carbon monoxide in hydrogen-rich gas are designed to solve the above problems. SUMMARY

[0006] To solve the problems raised in the background, the application provides a device and method for removing carbon monoxide in hydrogen-rich gas, which has the characteristics of improving the removal efficiency of carbon monoxide.

[0007] Another object of the application is to provide a removal method for the device for removing carbon monoxide in hydrogen-rich gas.

[0008] To achieve the above object, the application provides the following technical solution: a device for removing carbon monoxide in hydrogen-rich gas, comprising:

[0009] a hydrogen-rich gas inlet mechanism for introducing hydrogen-rich gas;

[0010] an air inlet mechanism for introducing air;

[0011] a multi-stage carbon monoxide removal mechanism in communication with the hydrogen-rich gas inlet mechanism and the air inlet mechanism, for receiving the hydrogen-rich gas introduced by the hydrogen-rich gas inlet mechanism and the air introduced by the air inlet mechanism, and for multi-stage reaction of the hydrogen-rich gas and the air to remove carbon monoxide in the hydrogen-rich gas;

[0012] a gas outlet mechanism in communication with the gas outlet end of the last stage of the multi-stage carbon monoxide removal mechanism, for discharging the hydrogen-rich gas from which carbon monoxide has been removed.

[0013] Furthermore, the hydrogen-rich gas introduction mechanism includes a first steam-water separator and a first carbon monoxide detector. Pipes are connected to the hydrogen-rich gas inlet of the first steam-water separator, the hydrogen-rich gas outlet of the first steam-water separator and the hydrogen-rich gas inlet of the first carbon monoxide detector, as well as the hydrogen-rich gas outlet of the first carbon monoxide detector.

[0014] Furthermore, the air inlet mechanism includes an air filter, an air pump, a one-way valve, and an air storage cylinder. Pipes are connected between the air outlet of the air filter and the air inlet of the air pump, between the air outlet of the air pump and the air inlet of the one-way valve, between the air outlet of the one-way valve and the air inlet of the air storage cylinder, and between the air outlet of the air storage cylinder.

[0015] Furthermore, the multi-stage carbon monoxide removal mechanism includes a primary carbon monoxide remover, a secondary carbon monoxide remover, and a tertiary carbon monoxide remover. The gas inlet of the primary carbon monoxide remover is connected to the other end of the pipe connecting the hydrogen-rich gas outlet of the first carbon monoxide detector. The gas outlet of the primary carbon monoxide remover is connected to the pipe connecting the air outlet of the gas storage cylinder. The gas inlet of the secondary carbon monoxide remover is connected to the other end of the pipe connecting the air outlet of the gas storage cylinder. The gas outlet of the secondary carbon monoxide remover is connected to the gas inlet of the tertiary carbon monoxide remover via a pipe. The gas inlet of the tertiary carbon monoxide remover is connected to the other end of the pipe connecting the air outlet of the gas storage cylinder.

[0016] Furthermore, the gas discharge mechanism includes a second steam-water separator and a third carbon monoxide detector. Pipes are connected between the gas inlet of the second steam-water separator and the gas outlet of the three-stage carbon monoxide remover, as well as between the gas outlet of the second steam-water separator. The third carbon monoxide detector is installed on the pipe at the gas outlet of the second steam-water separator.

[0017] Furthermore, the air inlet mechanism also includes pressure regulators and throttling orifices. There are two pressure regulators and three throttling orifices. Pipes connect the air outlet of the gas storage cylinder to the air inlets of the two pressure regulators, the air outlets of the two pressure regulators to the air inlets of the three throttling orifices, and the air outlets of the three throttling orifices. The air inlet of one of the three throttling orifices is connected to the air outlet of one of the two pressure regulators via a pipe. The air inlets of the other two of the three throttling orifices are connected to the air outlet of the other of the two pressure regulators via pipes. The gas outlet of the first-stage carbon monoxide remover is connected to the pipe of the air outlet of the first of the three throttling orifices. The gas inlet of the second-stage carbon monoxide remover is connected to the other end of the pipe of the air outlet of the second of the three throttling orifices. The gas inlet of the third-stage carbon monoxide remover is connected to the other end of the pipe of the air outlet of the third of the three throttling orifices.

[0018] Further, the air inlet mechanism further comprises a pressure switch, first pressure transducers, flow meters and second pressure transducers, the first pressure transducers are provided with two, the flow meters are provided with two, the second pressure transducers are respectively provided with three, the pressure switch is arranged on the pipeline between the air outlet end of the air cylinder and the air inlet end of the two pressure stabilizers, the two first pressure transducers are respectively arranged on the pipeline between the air outlet end of the two pressure stabilizers and the air inlet end of the two flow meters, the two flow meters are respectively arranged on the pipeline between the air outlet end of the two pressure stabilizers and the air inlet end of the three throttling holes, and the three second pressure transducers are respectively arranged on the pipeline of the air outlet end of the three throttling holes.

[0019] The removal method of the carbon monoxide removal device in the hydrogen-rich gas, comprising the following steps:

[0020] S1: the hydrogen-rich gas enters the first steam-water separator through the pipeline, removes the water, then enters the first carbon monoxide detector through the pipeline, initially determines the content of carbon monoxide in the hydrogen-rich gas, and then enters the first carbon monoxide removal device through the pipeline;

[0021] S2: the air pump pumps, the air enters the air filter to filter, the filtered air enters the air pump through the pipeline, then enters the one-way valve through the pipeline, then enters the air cylinder for temporary storage through the pipeline, and then enters the first carbon monoxide removal device, the second carbon monoxide removal device and the third carbon monoxide removal device through the pipeline respectively;

[0022] S3: the hydrogen-rich gas and the air entering the first carbon monoxide removal device react in the first carbon monoxide removal device, preliminarily remove the carbon monoxide in the hydrogen-rich gas, and the reacted hydrogen-rich gas enters the second carbon monoxide removal device through the pipeline;

[0023] S4: the hydrogen-rich gas and the air entering the second carbon monoxide removal device react in the second carbon monoxide removal device, remove the carbon monoxide in the hydrogen-rich gas again, the reacted hydrogen-rich gas enters the second carbon monoxide detector through the pipeline, determines the content of carbon monoxide in the hydrogen-rich gas again, and then enters the third carbon monoxide removal device through the pipeline;

[0024] S5: the hydrogen-rich gas and the air entering the third carbon monoxide removal device react in the third carbon monoxide removal device, remove the carbon monoxide in the hydrogen-rich gas again, the reacted hydrogen-rich gas enters the second steam-water separator through the pipeline, removes the water again, then enters the third carbon monoxide detector through the pipeline, finally determines the content of carbon monoxide in the hydrogen-rich gas, if qualified, discharges, otherwise, repeats the above steps to remove the carbon monoxide in the hydrogen-rich gas.

[0025] Further, in the step S2, the temporarily stored air in the air tank enters two pressure stabilizers through pipelines before entering the first, second and third carbon monoxide removal devices, respectively, and the air in the two pressure stabilizers enters three throttle holes through pipelines, respectively, and the air in the three throttle holes enters the first, second and third carbon monoxide removal devices through pipelines, respectively, to realize the pressure and flow stabilization of the entering air.

[0026] Further, in the step S2, the pressure switch, the two first pressure transducers, the two flow meters and the three second pressure transducers monitor the pressure and flow of the air in real time to realize the adjustment of the pressure and flow stabilization of the air.

[0027] Compared with the prior art, the beneficial effects of the present application are:

[0028] 1. The present application sets the first, second and third carbon monoxide removal devices, which can remove carbon monoxide in the hydrogen-rich gas through multi-stage reactions, improve the removal efficiency of carbon monoxide, and improve the purity of the hydrogen-rich gas.

[0029] By accurately controlling the air flow, efficient removal of carbon monoxide is realized, and the consumption of hydrogen is reduced.

[0030] 2. The present application sets the pressure stabilizer and the throttle hole, which can realize the pressure and flow stabilization of the air, and sets the pressure switch, the first pressure transducer, the flow meter and the second pressure transducer, which can monitor the pressure and flow of the air in real time to realize the adjustment of the pressure and flow stabilization, i.e. to accurately control the entering of the air, improve the removal efficiency of carbon monoxide, and reduce the consumption of hydrogen in the hydrogen-rich gas.

[0031] 3. The device of the present application has simple structure, convenient operation and low cost, and is suitable for large-scale application. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 The figure is a structural schematic diagram of the present application;

[0033] In the figure: 101, first steam-water separator; 102, first carbon monoxide detector;

[0034] 201, air filter; 202, air pump; 203, check valve; 204, air tank; 205, pressure switch; 206, pressure stabilizer; 207, first pressure transducer; 208, flow meter; 209, throttle hole; 210, second pressure transducer; 211, second carbon monoxide detector;

[0035] 301, first carbon monoxide removal device; 302, second carbon monoxide removal device; 303, third carbon monoxide removal device;

[0036] 401 second vapor-liquid separator; 402 third carbon monoxide detector. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0038] Embodiment one

[0039] The device for removing carbon monoxide in hydrogen-rich gas comprises:

[0040] The hydrogen-rich gas input mechanism inputs the hydrogen-rich gas.

[0041] The air input mechanism inputs the air.

[0042] The multi-stage carbon monoxide removal mechanism is in communication with the hydrogen-rich gas input mechanism and the air input mechanism, so as to receive the hydrogen-rich gas input by the hydrogen-rich gas input mechanism and the air input by the air input mechanism, and the hydrogen-rich gas and the air are subjected to multi-stage reaction to remove the carbon monoxide in the hydrogen-rich gas.

[0043] The gas discharge mechanism is in communication with the gas outlet end of the last stage of the multi-stage carbon monoxide removal mechanism, so as to discharge the hydrogen-rich gas after the carbon monoxide is removed.

[0044] Specifically, the hydrogen-rich gas input mechanism comprises a first vapor-liquid separator 101 and a first carbon monoxide detector 102, and the hydrogen-rich gas inlet end of the first vapor-liquid separator 101, the hydrogen-rich gas outlet end of the first vapor-liquid separator 101, the hydrogen-rich gas inlet end between the first carbon monoxide detector 102 and the hydrogen-rich gas outlet end of the first carbon monoxide detector 102 are all connected with pipelines.

[0045] Specifically, the air input mechanism comprises an air filter 201, an air pump 202, a one-way valve 203 and a gas cylinder 204, and the air outlet end of the air filter 201, the air inlet end between the air outlet end of the air pump 202 and the air inlet end of the one-way valve 203, the air outlet end of the one-way valve 203 and the air inlet end of the gas cylinder 204, and the air outlet end of the gas cylinder 204 are all connected with pipelines.

[0046] Specifically, the multi-stage carbon monoxide removal mechanism includes a first carbon monoxide remover 301, a second carbon monoxide remover 302, and a third carbon monoxide remover 303. The gas inlet end of the first carbon monoxide remover 301 is connected to the other end of the pipeline of the hydrogen-rich gas outlet end of the first carbon monoxide detector 102. The gas outlet end of the first carbon monoxide remover 301 is connected to the pipeline of the air outlet end of the gas cylinder 204. The gas inlet end of the second carbon monoxide remover 302 is connected to the other end of the pipeline of the air outlet end of the gas cylinder 204. The gas outlet end of the second carbon monoxide remover 302 is connected to the gas inlet end of the third carbon monoxide remover 303 by a pipeline. The gas inlet end of the third carbon monoxide remover 303 is connected to the other end of the pipeline of the air outlet end of the gas cylinder 204.

[0047] Specifically, the gas discharge mechanism includes a second steam-water separator 401 and a third carbon monoxide detector 402. The gas inlet end of the second steam-water separator 401 is connected to the gas outlet end of the third carbon monoxide remover 303 by a pipeline. The gas outlet end of the second steam-water separator 401 is also connected to a pipeline. The third carbon monoxide detector 402 is arranged on the pipeline of the gas outlet end of the second steam-water separator 401.

[0048] The removal method of the carbon monoxide removal device in the hydrogen-rich gas includes the following steps:

[0049] S1: The hydrogen-rich gas enters the first steam-water separator 101 through a pipeline, removes water, and then enters the first carbon monoxide detector 102 through a pipeline to initially determine the content of carbon monoxide in the hydrogen-rich gas, and then enters the first carbon monoxide remover 301 through a pipeline.

[0050] S2: The air pump 202 sucks air into the air filter 201 for filtration. The filtered air enters the air pump 202 through a pipeline, enters the one-way valve 203 through a pipeline, enters the gas cylinder 204 through a pipeline for temporary storage, and then enters the first carbon monoxide remover 301, the second carbon monoxide remover 302, and the third carbon monoxide remover 303 through a pipeline, respectively.

[0051] S3: The hydrogen-rich gas and air entering the first carbon monoxide remover 301 react in the first carbon monoxide remover 301 to preliminarily remove carbon monoxide in the hydrogen-rich gas. The reacted hydrogen-rich gas enters the second carbon monoxide remover 302 through a pipeline.

[0052] S4: The hydrogen-rich gas and air entering the second carbon monoxide remover 302 react in the second carbon monoxide remover 302 to remove carbon monoxide in the hydrogen-rich gas again. The reacted hydrogen-rich gas enters the second carbon monoxide detector 211 through a pipeline to determine the content of carbon monoxide in the hydrogen-rich gas again, and then enters the third carbon monoxide remover 303 through a pipeline.

[0053] S5: The hydrogen-rich gas entering the third carbon monoxide remover 303 reacts in the third carbon monoxide remover 303 to remove carbon monoxide in the hydrogen-rich gas again. The reacted hydrogen-rich gas enters the second vapor-water separator 401 through a pipeline to remove water again. Subsequently, the hydrogen-rich gas enters the third carbon monoxide detector 402 through a pipeline to finally determine the content of carbon monoxide in the hydrogen-rich gas. If the content is qualified, the hydrogen-rich gas is discharged; otherwise, the above steps are repeated to remove carbon monoxide in the hydrogen-rich gas.

[0054] Embodiment Two

[0055] The embodiment is different from the embodiment one in that:

[0056] Specifically, the air inlet mechanism further comprises two stabilizers 206 and three throttling holes 209. The air outlet end of the air cylinder 204 is connected with the air inlet ends of the two stabilizers 206, the air outlet ends of the two stabilizers 206 are connected with the air inlet ends of the three throttling holes 209, and the air outlet ends of the three throttling holes 209 are connected with the gas outlet end of the first carbon monoxide remover 301, the gas inlet end of the second carbon monoxide remover 302, and the gas inlet end of the third carbon monoxide remover 303, respectively. The air inlet end of one of the three throttling holes 209 is connected with the air outlet end of one of the two stabilizers 206 through a pipeline, and the air inlet ends of the other two throttling holes 209 are connected with the air outlet ends of the other stabilizer 206 through a pipeline.

[0057] The removal method of the carbon monoxide removal device in the hydrogen-rich gas further comprises the following steps:

[0058] In step S2, the air temporarily stored in the air cylinder 204 enters the two stabilizers 206 through a pipeline before entering the first carbon monoxide remover 301, the second carbon monoxide remover 302, and the third carbon monoxide remover 303 through a pipeline. The air in the two stabilizers 206 enters the three throttling holes 209 through a pipeline. The air in the three throttling holes 209 enters the first carbon monoxide remover 301, the second carbon monoxide remover 302, and the third carbon monoxide remover 303 through a pipeline to realize stable voltage and stable current of the entering air.

[0059] Embodiment Three

[0060] The embodiment is different from the embodiment two in that:

[0061] Specifically, the air inlet mechanism further comprises pressure switches 205, first pressure transducers 207, flow meters 208 and second pressure transducers 210, two first pressure transducers 207 are arranged, two flow meters 208 are arranged, three second pressure transducers 210 are respectively arranged, and the pressure switches 205 are arranged on the pipeline between the air outlet end of the air cylinder 204 and the air inlet end of the two pressure stabilizers 206, the two first pressure transducers 207 are respectively arranged on the pipeline between the air outlet end of the two pressure stabilizers 206 and the air inlet end of the two flow meters 208, the two flow meters 208 are respectively arranged on the pipeline between the air outlet end of the two pressure stabilizers 206 and the air inlet end of the three throttling holes 209, and the three second pressure transducers 210 are respectively arranged on the pipeline of the air outlet end of the three throttling holes 209.

[0062] The removal method of the carbon monoxide removal device in the hydrogen-rich gas further comprises the following steps:

[0063] In step S2, the pressure switches 205, the two first pressure transducers 207, the two flow meters 208 and the three second pressure transducers 210 monitor the pressure and flow of the air in real time, so as to realize the adjustment of the air pressure and flow.

[0064] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for removing carbon monoxide from a hydrogen-rich gas, characterized by The application relates to a hydrogen-rich gas purifying device. The hydrogen-rich gas purifying device comprises a hydrogen-rich gas feeding mechanism, an air feeding mechanism, a multi-stage carbon monoxide removing mechanism and a gas discharging mechanism. The hydrogen-rich gas feeding mechanism comprises a first water-gas separator (101) and a first carbon monoxide detector (102). The air feeding mechanism comprises an air filter (201), a gas pump (202), a one-way valve (203) and a gas cylinder (204). The multi-stage carbon monoxide removing mechanism comprises a first-stage carbon monoxide remover (301), a second-stage carbon monoxide remover (302) and a third-stage carbon monoxide remover (303).

2. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 1, characterized by: The gas discharging mechanism comprises a second water-gas separator (401) and a third carbon monoxide detector (402).

3. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 2, characterized by: ​ 4. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 3, characterized by: ​ 5. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 4, characterized by: ​ 6. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 4, characterized by: The air inlet mechanism further comprises pressure stabilizers (206) and orifices (209), two pressure stabilizers (206) are arranged, three orifices (209) are arranged, a pipeline is connected between the air outlet end of the air cylinder (204) and the air inlet end of the two pressure stabilizers (206), between the air outlet end of the two pressure stabilizers (206) and the air inlet end of the three orifices (209), and between the air outlet end of the three orifices (209), the air inlet end of one of the three orifices (209) is connected to the air outlet end of one of the two pressure stabilizers (206) through a pipeline, the air inlet end of the other two orifices (209) is connected to the air outlet end of the other pressure stabilizer (206) through a pipeline, the gas outlet end of the first-stage carbon monoxide remover (301) is connected to the pipeline of the air outlet end of one of the three orifices (209), namely the first orifice (209), the gas inlet end of the second-stage carbon monoxide remover (302) is connected to the other end of the pipeline of the air outlet end of one of the three orifices (209), namely the second orifice (209), and the gas inlet end of the third-stage carbon monoxide remover (303) is connected to the other end of the pipeline of the air outlet end of one of the three orifices (209), namely the third orifice (209).

7. The apparatus for removing carbon monoxide from a hydrogen-rich gas according to claim 6, characterized by: The air inlet mechanism further comprises a pressure switch (205), first pressure transducers (207), flowmeters (208) and second pressure transducers (210), two first pressure transducers (207) are arranged, two flowmeters (208) are arranged, and three second pressure transducers (210) are arranged respectively, the pressure switch (205) is arranged on the pipeline between the air outlet end of the air cylinder (204) and the air inlet end of the two pressure stabilizers (206), the two first pressure transducers (207) are arranged on the pipelines between the air outlet end of the two pressure stabilizers (206) and the air inlet end of the two flowmeters (208) respectively, the two flowmeters (208) are arranged on the pipelines between the air outlet end of the two pressure stabilizers (206) and the air inlet end of the three orifices (209) respectively, and the three second pressure transducers (210) are arranged on the pipelines of the air outlet end of the three orifices (209) respectively.

8. The hydrogen-rich gas carbon monoxide removal method according to any one of claims 1 to 7, characterized by, The method comprises the following steps: S1: The hydrogen-rich gas enters the first water-gas separator (101) through a pipeline, and water is removed, then enters the first carbon monoxide detector (102) through a pipeline, and the content of carbon monoxide in the hydrogen-rich gas is determined for the first time, and then enters the first-stage carbon monoxide remover (301) through a pipeline; S2: The air pump (202) sucks, and the air enters the air filter (201) for filtration, the filtered air enters the air pump (202) through a pipeline, then enters the one-way valve (203) through a pipeline, then enters the air cylinder (204) for temporary storage through a pipeline, and then enters the first-stage carbon monoxide remover (301), the second-stage carbon monoxide remover (302) and the third-stage carbon monoxide remover (303) through a pipeline respectively; S3: the hydrogen-rich gas and air entering the primary carbon monoxide remover (301) react in the primary carbon monoxide remover (301) to preliminarily remove the carbon monoxide in the hydrogen-rich gas, and the reacted hydrogen-rich gas enters the secondary carbon monoxide remover (302) through a pipeline; S4: the hydrogen-rich gas and air entering the secondary carbon monoxide remover (302) react in the secondary carbon monoxide remover (302) to remove the carbon monoxide in the hydrogen-rich gas again, and the reacted hydrogen-rich gas enters the second carbon monoxide detector (211) through a pipeline to determine the content of the carbon monoxide in the hydrogen-rich gas again, and then enters the tertiary carbon monoxide remover (303) through a pipeline; S5: the hydrogen-rich gas and air entering the tertiary carbon monoxide remover (303) react in the tertiary carbon monoxide remover (303) to remove the carbon monoxide in the hydrogen-rich gas again, and the reacted hydrogen-rich gas enters the second water separator (401) through a pipeline to remove the water again, and then enters the third carbon monoxide detector (402) through a pipeline to finally determine the content of the carbon monoxide in the hydrogen-rich gas, and if the content is qualified, the hydrogen-rich gas is discharged, otherwise, the above steps are repeated to remove the carbon monoxide in the hydrogen-rich gas.

9. The removal method of carbon monoxide in the hydrogen-rich gas according to claim 8, characterized by: In the step S2, the air temporarily stored in the air cylinder (204) enters two pressure stabilizers (206) through a pipeline before entering the primary carbon monoxide remover (301), the secondary carbon monoxide remover (302) and the tertiary carbon monoxide remover (303) through a pipeline, respectively, the air in the two pressure stabilizers (206) enters three throttle holes (209) through a pipeline, respectively, and the air in the three throttle holes (209) enters the primary carbon monoxide remover (301), the secondary carbon monoxide remover (302) and the tertiary carbon monoxide remover (303) through a pipeline, respectively, so as to realize the pressure and flow stabilization of the entering air.

10. The hydrogen-rich gas carbon monoxide removal method according to claim 9, characterized by: In the step S2, the pressure switch (205), the two first pressure transmitters (207), the two flow meters (208) and the three second pressure transmitters (210) monitor the pressure and flow of the air in real time to realize the adjustment of the pressure and flow stabilization of the air.

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