阅读说明：本技术 一种燃料电池作为电站使用的发电系统 (Power generation system using fuel cell as power station ) 是由 许琳媛 于 2020-03-13 设计创作，主要内容包括：本发明涉及燃料电池发电站技术领域,具体为一种燃料电池作为电站使用的发电系统,包括燃料电池栈模组,用于通过氢氧化学反应产生电能；加湿系统,分别与所述燃料电池栈模组的氢气进口端、空气进口端连接,用于调节氢气、空气的湿度；氢气压力调节系统,与所述加湿系统的氢气进口端连接,用于调节氢气的压力；纯化设备,与所述氢气压力调节系统的氢气进口端连接,用于氢气提纯。本申请的发电系统可将企业的副产氢与燃料电池配合使用以产生电能,对副产氢的高效合理使用,不仅降低了制电成本,减轻了企业负担,还减少了污染气体排放,改善了环境；本申请的氢气提纯装置提纯效果好、吸附剂排料进料操作简便。(The invention relates to the technical field of fuel cell power stations, in particular to a power generation system using a fuel cell as a power station, which comprises a fuel cell stack module, a fuel cell power station and a power generation system, wherein the fuel cell stack module is used for generating electric energy through hydrogen-oxygen chemical reaction; the humidifying system is respectively connected with the hydrogen inlet end and the air inlet end of the fuel cell stack module and is used for adjusting the humidity of the hydrogen and the air; the hydrogen pressure adjusting system is connected with the hydrogen inlet end of the humidifying system and is used for adjusting the pressure of the hydrogen; and the purification equipment is connected with the hydrogen inlet end of the hydrogen pressure regulating system and is used for purifying the hydrogen. The power generation system can be used for matching the byproduct hydrogen of an enterprise with the fuel cell to generate electric energy, and the byproduct hydrogen is efficiently and reasonably used, so that the power generation cost is reduced, the enterprise burden is lightened, the emission of polluted gas is reduced, and the environment is improved; the hydrogen purification device of this application purifies effectually, adsorbent row material feeding easy and simple to handle.)

1. A power generation system using a fuel cell as a power station, characterized in that: comprises that

The fuel cell stack module is used for generating electric energy through hydrogen-oxygen chemical reaction;

the humidifying system is respectively connected with the hydrogen inlet end and the air inlet end of the fuel cell stack module and is used for adjusting the humidity of the hydrogen and the air;

the hydrogen pressure adjusting system is connected with the hydrogen inlet end of the humidifying system and is used for adjusting the pressure of the hydrogen;

the purification equipment is connected with the hydrogen inlet end of the hydrogen pressure regulating system and is used for purifying hydrogen;

an air filtration system for filtering air;

the air compressor system is connected with the air outlet end of the air filtering system and is used for providing sufficient oxygen;

the intercooling system is connected with an air outlet end of the air compressor system and used for intercooling air;

the flow monitoring system is connected with the air outlet end of the intercooling system, is connected with the air inlet end of the humidifying system and is used for monitoring the flow of air;

and the master control console is connected with the fuel cell stack module, the humidification system, the hydrogen pressure regulation system, the electric pile temperature detection system, the cooling circulating water temperature detection system, the pressure detection system, the purification equipment, the flow monitoring system and the intercooling system.

2. A power generation system using a fuel cell as a power plant according to claim 1, characterized in that: also comprises

And the hydrogen circulating pump is connected with the hydrogen outlet end of the fuel cell stack module, is connected with the hydrogen inlet end of the fuel cell stack module, and is used for enabling hydrogen which is not completely reacted to flow back to the fuel cell stack module for re-reaction.

3. A power generation system using a fuel cell as a power plant according to claim 1, characterized in that: also comprises

The gas-water separation system is connected with a byproduct outlet end of the fuel cell stack module and is used for separating water from gas in the byproduct;

the cooling water pool is connected with the water outlet end of the gas-water separation system and used for storing cooling water;

the water pump is connected with the water outlet end of the cooling water pool and used for providing power for cooling water, and heat generated in the power generation process of the fuel cell is replaced by the continuously circulating cooling water so that the working temperature of the fuel cell is kept at 68-72 ℃;

the deionization device is connected in parallel with a cooling water pipeline between the outlet end of the water pump and the cooling water inlet end of the fuel cell stack module and is used for removing ions in the cooling water;

the hydrogen concentration detector is used for detecting the hydrogen concentration in the internal space of the fuel cell stack module and sending a detection signal to the master control console at an interval frequency of 60 seconds;

the exhaust device is connected with the master console; when the detection signal received by the master control console is that the hydrogen concentration is more than or equal to 20000ppm, the master control console controls the exhaust device to start until the hydrogen concentration is less than 10000 ppm;

and the infrared combustible gas combustion detector is connected with the master control console and is used for detecting the combustion condition of the hydrogen.

4. A power generation system using a fuel cell as a power plant according to claim 1, characterized in that: the fuel cell stack module is connected with the direct current output end of the fuel cell stack module, and is used for converting the direct current generated by the fuel cell stack module into alternating current.

5. A power generation system using a fuel cell as a power plant according to claim 1, characterized in that: also comprises

And the waste heat circulating system is connected with the waste heat outlet end of the fuel cell stack module and is used for circularly utilizing waste heat.

6. A power generation system using a fuel cell as a power plant according to claim 1, characterized in that: the purification device comprises

The chlorine removal and desulfurization device is provided with a byproduct hydrogen inlet and is used for removing chloride and sulfide in the byproduct hydrogen;

the deoxidizing furnace is connected with the outlet of the dechlorination device and is used for removing oxygen in the byproduct hydrogen;

the medium-pressure compressor is connected with the outlet end of the deoxidizing furnace and is used for compressing the byproduct hydrogen to 1.4-1.5 MPa;

and the hydrogen purification device is connected with the outlet end of the medium-pressure compressor and is used for purifying the by-product hydrogen.

7. A power generation system using a fuel cell as a power plant according to claim 6, characterized in that: the hydrogen purification device comprises

A rotating shaft (1);

an adsorbent holding chamber sleeved with the rotating shaft (1), comprising

The top plate (21) is provided with air holes; the top plate (21) is provided with a circle of tracks (24) around the rotating shaft (1), the tracks (24) are provided with self-closing sealing pieces in an arrangement mode along the rotating direction of the rotating shaft (1), and the tracks (24) are further provided with feeding pipe sleeves (25) matched with the self-closing sealing pieces for use;

a bottom plate (22) provided with air holes; the bottom plate (22) is provided with a plurality of discharge holes (26) at equal intervals around the rotating shaft (1);

a cavity wall (23) which is assembled and connected with the top plate (21) and the bottom plate (22);

a cylinder body connected with the rotating shaft (1) through a bearing and comprising

A top support plate (31) provided with an air outlet (35) and a feed abutment (36) for cooperation with the feed shroud (25);

the bottom supporting plate (32) is provided with an air inlet (34) and a discharging butt joint opening (27) matched with the discharging opening (26);

the cylinder wall (33) is assembled and connected with the top supporting plate (31) and the bottom supporting plate (32).

8. A power generation system using a fuel cell as a power plant according to claim 7, characterized in that: the feed docking member (36) comprises

A feeding sleeve rail (361) connected with a feeding hole of the top supporting plate (31);

a feeding sliding sleeve (362), the outer peripheral side of which is axially connected with the inner peripheral side of the feeding sleeve rail (361) in a sliding way;

the sealing cover (363) is detachably connected with the axial top end of the feeding sliding sleeve (362);

the axial bottom end of the feeding sleeve rail (361) is provided with an adsorption sheet, an iron core connected with the adsorption sheet and a coil wound around the iron core are arranged inside the feeding sleeve rail, and the coil is connected with a power supply (364) through a switch;

the feeding pipe sleeve (25) comprises a sleeve body (251), an expansion part (252) arranged at the axial bottom end of the sleeve body (251), and a magnetic suction butt joint body (253) which is arranged around the outer periphery of the sleeve body (251) and is matched with the suction sheet for use.

9. A power generation system using a fuel cell as a power plant according to claim 7, characterized in that: the bottom plate (22) is positioned above the discharge hole (26) and is provided with a concave part, and the adjacent two concave parts are partially overlapped.

10. A power generation system using a fuel cell as a power plant according to claim 7, characterized in that: iron beads (41) are embedded at the positions, corresponding to the radial direction of the discharge hole (26), at the bottom end of the cavity wall (23); and a Hall sensor (42) matched with the iron beads (41) for use is arranged at the radial corresponding position of the bottom supporting plate (32) and the discharge butt joint opening (27).

Technical Field

The invention relates to the technical field of fuel cell power stations, in particular to a power generation system using a fuel cell as a power station.

Background

At present, fuel cells are widely used in various technical fields and people's lives, and electricity is an indispensable energy source in various industries and industrial electricity is expensive. In addition, many enterprises directly exhaust or burn the byproduct hydrogen, which causes a great deal of resource waste. Therefore, how to combine the fuel cell with the byproduct hydrogen to be used as a power station is a technical problem which needs to be solved urgently.

Patent application No. CN201910276898.8 discloses a power station system based on solid hydrogen technology, uses solid hydrogen as raw materials to generate electricity, and the final product is water, heat energy and electric energy, has good environmental development sustainability, resource utilization and safety controllability, but it does not combine with by-product hydrogen to use as a power station, still has the defects of wasting of resources and high cost.

Disclosure of Invention

The invention provides a power generation system using a fuel cell as a power station, which aims at solving the problems in the prior art and is suitable for enterprises with byproduct hydrogen production.

The technical scheme adopted by the invention for solving the technical problems is as follows: a power generation system using a fuel cell as a power station includes

The fuel cell stack module is used for generating electric energy through hydrogen-oxygen chemical reaction;

the humidifying system is respectively connected with the hydrogen inlet end and the air inlet end of the fuel cell stack module and is used for adjusting the humidity of the hydrogen and the air;

the hydrogen pressure adjusting system is connected with the hydrogen inlet end of the humidifying system and is used for adjusting the pressure of the hydrogen;

the purification equipment is connected with the hydrogen inlet end of the hydrogen pressure regulating system and is used for purifying hydrogen;

an air filtration system for filtering air;

the air compressor system is connected with the air outlet end of the air filtering system and is used for providing sufficient oxygen;

the intercooling system is connected with an air outlet end of the air compressor system and used for intercooling air;

the flow monitoring system is connected with the air outlet end of the intercooling system, is connected with the air inlet end of the humidifying system and is used for monitoring the flow of air;

and the master control console is connected with the fuel cell stack module, the humidification system, the hydrogen pressure regulation system, the electric pile temperature detection system, the cooling circulating water temperature detection system, the pressure detection system, the purification equipment, the flow monitoring system and the intercooling system.

Preferably, it further comprises

And the hydrogen circulating pump is connected with the hydrogen outlet end of the fuel cell stack module, is connected with the hydrogen inlet end of the fuel cell stack module, and is used for enabling hydrogen which is not completely reacted to flow back to the fuel cell stack module for re-reaction.

Preferably, it further comprises

The gas-water separation system is connected with a byproduct outlet end of the fuel cell stack module and is used for separating water from gas in the byproduct;

the cooling water pool is connected with the water outlet end of the gas-water separation system and used for storing cooling water;

the water pump is connected with the water outlet end of the cooling water pool and used for providing power for cooling water, and heat generated in the power generation process of the fuel cell is replaced by the continuously circulating cooling water so that the working temperature of the fuel cell is kept at 68-72 ℃;

the deionization device is connected in parallel with a cooling water pipeline between the outlet end of the water pump and the cooling water inlet end of the fuel cell stack module and is used for removing ions in the cooling water;

the hydrogen concentration detector is used for detecting the hydrogen concentration in the internal space of the fuel cell stack module and sending a detection signal to the master control console at an interval frequency of 60 seconds;

the exhaust device is connected with the master console; when the detection signal received by the master control console is that the hydrogen concentration is more than or equal to 20000ppm, the master control console controls the exhaust device to start until the hydrogen concentration is less than 10000 ppm;

and the infrared combustible gas combustion detector is connected with the master control console and is used for detecting the combustion condition of the hydrogen.

Preferably, the fuel cell stack module further comprises a DC/AC converter connected to the DC output terminal of the fuel cell stack module for converting the DC generated by the fuel cell stack module into AC.

Preferably, it further comprises

And the waste heat circulating system is connected with the waste heat outlet end of the fuel cell stack module and is used for circularly utilizing waste heat.

Preferably, the purification apparatus comprises

The chlorine removal device is provided with a byproduct hydrogen inlet and is used for removing chloride and sulfide in the byproduct hydrogen;

the deoxidizing furnace is connected with the outlet of the dechlorination device and is used for removing oxygen in the byproduct hydrogen;

the medium-pressure compressor is connected with the outlet end of the deoxidizing furnace and is used for compressing the byproduct hydrogen to 1.4-1.5 MPa;

and the hydrogen purification device is connected with the outlet end of the medium-pressure compressor and is used for purifying the by-product hydrogen.

Preferably, the hydrogen purification apparatus comprises

A rotating shaft;

an adsorbent holding chamber in sleeve connection with the rotating shaft, comprising

The top plate and the plate body are provided with air holes; the top plate is provided with a circle of tracks around the rotating shaft, the tracks are provided with self-closing sealing pieces in an arrangement mode along the rotating direction of the rotating shaft, and the tracks are also provided with feeding pipe sleeves matched with the self-closing sealing pieces for use;

the bottom plate is provided with air holes; the bottom plate is provided with a plurality of discharge holes at equal intervals around the rotating shaft;

the cavity wall is assembled and connected with the top plate and the bottom plate;

a cylinder connected with the rotating shaft via a bearing, comprising

The top supporting plate is provided with an air outlet and a feeding butt joint piece matched with the feeding pipe sleeve for use;

the bottom supporting plate is provided with an air inlet and a discharge butt joint port matched with the discharge port;

the cylinder wall is assembled and connected with the top supporting plate and the bottom supporting plate.

Preferably, the feed docking member comprises

The feeding sleeve rail is connected with the feeding hole of the top supporting plate;

the outer peripheral side of the feeding sliding sleeve is axially connected with the inner peripheral side of the feeding sleeve rail in a sliding manner;

the sealing cover is detachably connected with the axial top end of the feeding sliding sleeve;

the axial bottom end of the feeding sleeve rail is provided with an adsorption sheet, the interior of the feeding sleeve rail is provided with an iron core connected with the adsorption sheet and a coil wound around the iron core, and the coil is connected with a power supply through a switch;

the feeding pipe sleeve comprises a sleeve body, an opening part arranged at the axial bottom end of the sleeve body, and a magnetic suction butt joint body which is arranged around the periphery of the sleeve body and is matched with the adsorption sheet for use.

Preferably, the bottom plate is provided with a concave part above the discharge port, and two adjacent concave parts are partially overlapped.

Preferably, iron beads are embedded at the position, corresponding to the radial direction of the discharge hole, of the bottom end of the cavity wall; and a Hall sensor matched with the iron beads for use is arranged at the radial corresponding position of the bottom supporting plate and the discharge butt joint.

Advantageous effects

The power generation system can be used for matching the byproduct hydrogen of an enterprise with the fuel cell to generate electric energy, the byproduct hydrogen is efficiently and reasonably used, the power generation cost is reduced, the enterprise burden is lightened, the emission of polluted gas is reduced, the environment is improved, in addition, the gap of the annual power consumption peak can be effectively solved, and the phenomenon of national electric energy shortage is improved; the purification equipment can effectively purify the by-product hydrogen so as to meet the power generation requirement of the fuel cell stack module; the hydrogen purification device of this application purifies effectually, adsorbent row material feeding easy and simple to handle.

Drawings

FIG. 1 is a system block diagram of a power generation system for use with a fuel cell as a power plant according to the present application;

FIG. 2 is a schematic diagram of the hydrogen purification apparatus of the present application;

FIG. 3 is an enlarged view of a portion of the feed dock of FIG. 2;

FIG. 4 is a top view of the top plate of FIG. 2;

fig. 5 is a top view of the base plate of fig. 2.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1, a power generation system using a fuel cell as a power station includes a fuel cell stack module, a humidification system, a hydrogen pressure regulation system, a purification device, an air filtration system, an air compressor system, an inter-cooling system, a flow monitoring system, a console, a hydrogen circulation pump, a gas-water separation system, a cooling water tank, a water pump, a deionization unit, an exhaust unit, an infrared combustible gas combustion detector, a DC/AC converter, and a waste heat circulation system.

The fuel cell stack module is used for generating electric energy through hydrogen-oxygen chemical reaction. And the humidifying system is respectively connected with the hydrogen inlet end and the air inlet end of the fuel cell stack module and is used for adjusting the humidity of the hydrogen and the air. The hydrogen pressure regulating system is connected with the hydrogen inlet end of the humidifying system and is used for regulating the pressure of the hydrogen. And the purification equipment is connected with the hydrogen inlet end of the hydrogen pressure regulating system and is used for purifying the hydrogen. Air filtration systems are used to filter air. And the air compressor system is connected with the air outlet end of the air filtering system and is used for providing sufficient oxygen. The intercooling system is connected with an air outlet end of the air compressor system and used for intercooling air. And the flow monitoring system is connected with the air outlet end of the intercooling system, is connected with the air inlet end of the humidifying system and is used for monitoring the flow of air. And the master control console is connected with the fuel cell stack module, the humidifying system, the hydrogen pressure regulating system, the purifying equipment, the flow monitoring system and the intercooling system. And the hydrogen circulating pump is connected with the hydrogen outlet end of the fuel cell stack module, is connected with the hydrogen inlet end of the fuel cell stack module, and is used for enabling hydrogen which is not completely reacted to flow back to the fuel cell stack module for re-reaction. And the gas-water separation system is connected with a byproduct outlet end of the fuel cell stack module and is used for separating water and gas in the byproduct. And the cooling water tank is connected with the water outlet end of the gas-water separation system and used for storing cooling water. The water pump is connected with the water outlet end of the cooling water pool and used for providing power for cooling water, and heat generated in the power generation process of the fuel cell is replaced by the continuously circulating cooling water so that the working temperature of the fuel cell is kept at 68-72 ℃. And the deionization device is connected in parallel with a cooling water pipeline between the outlet end of the water pump and the cooling water inlet end of the fuel cell stack module and is used for removing ions in the cooling water. The deionization device is provided with a cooling water ion concentration detector, and when the conductivity is higher than 5 mu s/cm, the deionization device is prompted to be replaced. The DC/AC converter is connected with the direct current output end of the fuel cell stack module and is used for converting the direct current generated by the fuel cell stack module into alternating current. And the waste heat circulating system is connected with the waste heat outlet end of the fuel cell stack module and is used for circularly utilizing waste heat. The hydrogen concentration detector is used for detecting the hydrogen concentration in the internal space of the fuel cell stack module and sending a detection signal to the master control console at the interval frequency of 60 seconds. Exhaust apparatus with master console is connected, works as the detected signal that master console received is hydrogen concentration more than or equal to 20000ppm, master console control exhaust apparatus starts to take out the mist in the space until hydrogen concentration is less than 10000ppm after, closes exhaust apparatus. And if the hydrogen concentration can not be lower than 10000ppm within 60 seconds, the master control console issues a system closing instruction. The infrared combustible gas combustion detector is connected with the master control console and used for detecting the hydrogen combustion condition. The explosion of hydrogen concentration is 40000ppm-750000ppm, and the hydrogen is burnt under the illumination condition, and is colorless tasteless, and infrared ray combustible gas scanning equipment can detect the hydrogen burning condition, if the combustible gas burning takes place, then total control platform assigns the total system and closes.

According to the specific working principle, a byproduct gas containing a large amount of hydrogen is purified to 99.99% of hydrogen purity by a byproduct hydrogen enterprise through purification equipment and then is conveyed to a hydrogen pressure regulating system through a pipeline, so that the pressure and the flow of the hydrogen entering each unit are ensured to be the same (the pressure is set according to the number of fuel cell stack modules). The fuel cell stack module is formed by combining a plurality of fuel cells in a single stack with a unit of 10kw in series and parallel. And the filtered air is compressed by an air compressor system and sequentially passes through an intercooling system, a flow monitoring system and a humidifying system to supply air to the fuel cell stack module. The unreacted complete hydrogen flows back to the fuel cell stack module through the hydrogen circulating pump to be reacted again. The fuel cell stack module is subjected to water cooling heat dissipation and removes ions in cooling circulating water through the deionization device, so that the service life of the fuel is prolonged. The waste heat in the fuel cell power generation process can be used for heating and the like through a waste heat circulating system. The byproducts, namely water, water vapor and unreacted air, generated by the fuel cell stack module are separated by a gas-water separation system, the water generated by the reaction enters a cooling water tank for reuse, and the unreacted gas is directly exhausted. The master control console controls the hydrogen purity, the hydrogen temperature and humidity, the hydrogen pressure, the air temperature and humidity, the air pressure, the cold circulating water temperature and pressure, the cold circulating water ion concentration, the voltage and current of each module of the fuel cell stack, the voltage and current of each single cell, the output power of the control and detection power station and other working conditions of the whole power generation system so as to ensure that the fuel cell stack module is in a stable power generation state, wherein the response time of each part is less than 1 s.

The power generation system can use the by-product hydrogen of an enterprise and the fuel cell in a matched mode to generate electric energy, the by-product hydrogen is efficiently and reasonably used, the power generation cost is reduced, the enterprise burden is relieved, the emission of polluted gas is reduced, the environment is improved, the gap of the annual power consumption peak can be effectively solved, and the phenomenon of national electric energy shortage is improved.

The purification equipment comprises a dechlorination device, a deoxidation furnace, a medium-pressure compressor and a hydrogen purification device. The chlorine removal device is provided with a byproduct hydrogen inlet and is used for removing chlorine and sulfur in the byproduct hydrogen. The deoxidizing furnace is connected with the outlet of the dechlorination device and is used for removing oxygen in the byproduct hydrogen. And the medium-pressure compressor is connected with the outlet end of the deoxidizing furnace and is used for compressing the by-product hydrogen to 1.4-1.5 MPa. And the hydrogen purification device is connected with the outlet end of the medium-pressure compressor and is used for purifying the by-product hydrogen.

As shown in fig. 2 to 5, the hydrogen purification apparatus includes a rotating shaft 1, an adsorbent housing chamber, and a cylinder. The rotating shaft 1 is connected with a driving mechanism.

The adsorbent containing cavity is sleeved with the rotating shaft 1 and rotates along with the rotating shaft 1, and specifically comprises a top plate 21, a bottom plate 22 and a cavity wall 23. The plate body of the top plate 21 is provided with air holes, and hydrogen can penetrate through the plate body. The top plate 21 surrounds the rotating shaft 1 and is provided with a circle of tracks 24, the tracks 24 are arranged along the rotating direction of the rotating shaft 1 and are provided with self-closing sealing pieces, the tracks 24 are further provided with feeding pipe sleeves 25 matched with the self-closing sealing pieces for use, the feeding pipe sleeves 25 support the self-closing sealing pieces, when the feeding pipe sleeves 25 move along the tracks 24, the self-closing sealing pieces at corresponding positions can be supported by the feeding pipe sleeves 25, and when the feeding pipe sleeves 25 move away, the self-closing sealing pieces can be automatically closed. The bottom plate 22 has air holes for hydrogen to pass through. The bottom plate 22 is provided with a plurality of discharge ports 26 at equal intervals around the rotating shaft 1, and the discharge ports 26 are provided with electromagnetic valves. The cavity wall 23 is assembled and connected with the top plate 21 and the bottom plate 22.

The barrel is connected with the rotating shaft 1 through a bearing, and when the rotating shaft 1 rotates, the barrel is not moved, and specifically comprises a top support plate 31, a bottom support plate 32 and a barrel wall 33. The top support plate 31 is provided with an air outlet 35 through which purified hydrogen is discharged, and a feeding interfacing member 36 for cooperating with the feeding pipe housing 25. The bottom support plate 32 is provided with an air inlet 34, and unpurified hydrogen enters the adsorbent accommodating cavity from the air inlet 34 and is discharged to the interface 27 in cooperation with the discharge port 26. The cylinder wall 33 is assembled and connected with the top support plate 31 and the bottom support plate 32.

The feeding butt-joint part 36 comprises a feeding sleeve rail 361 connected with the feeding hole of the top support plate 31, a feeding sliding sleeve 362 with the outer periphery side axially and slidably connected with the inner periphery side of the feeding sleeve rail 361, and a sealing cover 363 detachably connected with the axial top end of the feeding sliding sleeve 362. The axial bottom of feeding cover rail 361 is equipped with the absorption piece, inside be equipped with the iron core that the absorption piece is connected and the winding the coil that the iron core set up, the coil passes through the switch and is connected with power 364. The feeding pipe sleeve 25 includes a sleeve 251, an expanding portion 252 disposed at the axial bottom end of the sleeve 251, and a magnetic attraction and connection body 253 disposed around the outer periphery of the sleeve 251 and used in cooperation with the attraction piece.

When the needs feeding, the operation workman presses the feeding button on the switch board, the main control system sends the instruction of stopping so that pivot 1 stall for actuating mechanism, actuating mechanism stops the back, pivot 1 can be because of inertia slowly rotates gradually, the main control system can send closed instruction for the switch simultaneously, the switch is closed back, the coil circular telegram, the coil can make the adsorption piece produce magnetic attraction with the iron core cooperation, after feeding pipe box 25 rotates to feeding sliding sleeve 362 below, the adsorption piece can inhale mutually with magnetism butt joint body 253 magnetism, because the axial position of feeding pipe box 25 is fixed, feeding sliding sleeve 362 can slide down along feeding sleeve rail 361 and be connected with feeding pipe box 25 top, at this moment, the relative feeding butt joint piece 36's of feeding pipe box 25 rigidity. Then, a slow rotation instruction is sent to the driving mechanism through the control host, and the rotation speed can be set according to actual requirements. Finally, the sealing cover 363 is opened to add the adsorbent into the previous adsorbent containing cavity. The flared portion 252 is provided with a contact sensor which will send a prompt signal when a certain amount of adsorbent is added and contacts the flared portion 252. After receiving the cue signal, stop the interpolation of adsorbent, the main control system sends stop command for actuating mechanism so that 1 stall of pivot simultaneously, and the main control system sends the opening command for the switch after that, and the switch is opened the back, and the coil loses the electricity, and the adsorption piece loses magnetic attraction, pulls out feeding sliding sleeve 362 to initial position on along feeding sleeve rail 361, and feeding sliding sleeve 362 separates with feeding pipe box 25.

The bottom plate 22 is located a concave part is arranged above the discharge port 26, and two adjacent concave parts are overlapped to facilitate the automatic downward sliding of the adsorbent to the discharge port 26. Iron beads 41 are embedded at the bottom end of the cavity wall 23 and at the radial corresponding position of the discharge hole 26, and a Hall sensor 42 matched with the iron beads 41 is arranged at the radial corresponding position of the bottom supporting plate 32 and the discharge butt joint 27.

When the material needs to be discharged, an operator presses a discharging button on the control cabinet, the control host sends a slow rotating instruction to the driving mechanism, the rotating speed can be set according to actual requirements, and meanwhile the control host sends a power supply instruction to supply power to the Hall sensor 42. When the iron ball corresponding to a certain discharge port 26 rotates to the position above the hall sensor 42, the hall sensor 42 detects a corresponding signal and sends the signal to the control host, and the control host controls the driving mechanism to stop rotating, and at the moment, the discharge port 26 is just above the discharge butt joint 27. Then, the control host sends a signal to the solenoid valve to open the solenoid valve for several seconds, thereby completing the discharging operation of the discharging hole 26. Then, the control host controls the rotating shaft 1 to continue to rotate slowly, and finishes the discharging operation of all the discharging holes 26 in the same process.

The by-product hydrogen enters the adsorbent holding cavity from the air inlet 34 and is discharged from the air outlet 35 of the adsorbent holding cavity, and the by-product hydrogen is purified by the continuous rotating adsorbent, so that the purification effect is good, and the use requirement of the fuel cell stack module can be met. The adsorption effect of the bottom layer of the adsorbent in the adsorbent holding device is firstly ineffective, so that the adsorbent of the bottom layer needs to be discharged in time, and a new adsorbent is added on the top layer of the adsorbent so that the hydrogen purification device can always keep a high-efficiency and stable purification state.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.