CN212517265U

CN212517265U - Integrated water-gas separation circulating device for fuel cell

Info

Publication number: CN212517265U
Application number: CN202021184182.XU
Authority: CN
Inventors: 龚龙; 龚雪
Original assignee: Jiangsu Shenhydrochen Technology Co ltd
Current assignee: Jiangsu Shenhydrochen Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-09
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a relevant subassembly technical field of fuel cell just discloses an integral type aqueous vapor separation circulating device for fuel cell, the lower extreme cover is installed at the top of separation shell, and the upper end cover is installed to the port department of lower extreme cover, installs hydrogen circulation mechanism between upper end cover and the lower extreme cover, is connected with the motor through the bearing end cover on the upper end cover. The utility model discloses a with the hydrogen circulating pump, water gas separator and drain valve integrated design, make the hydrogen that needs the circulation among the fuel cell earlier through water gas separator's separation, separate moisture and gas, liquid water passes through the drain valve and gets rid of, the space of arranging has been reduced, connect without the pipeline, thereby the cost is reduced, be provided with the intercommunicating pore between hydrogen circulating pump and water gas separator simultaneously, can guarantee that the water of accumulation flows back once more in the hydrogen circulating pump through the intercommunicating pore in the water gas separator, avoid producing the circumstances that accumulated water caused the shut down in the hydrogen circulating pump.

Description

Integrated water-gas separation circulating device for fuel cell

Technical Field

The utility model relates to a relevant subassembly technical field of fuel cell specifically is an integral type aqueous vapor separation circulating device for fuel cell.

Background

A fuel cell is a power generation device that directly converts chemical energy present in a fuel and an oxidant into electrical energy. Fuel and air are separately fed into the fuel cell, electricity is wonderfully produced, it looks like a storage battery with positive and negative electrodes and electrolyte, but it can not "store electricity" but "power plant" in essence, wherein the hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy, in the existing fuel cell assembly, the hydrogen circulating pump and the water-gas separator are generally arranged separately, because the separation efficiency of the water-gas separator cannot reach 100 percent and condensed water is accumulated, a certain amount of accumulated water is generated in the hydrogen circulating pump, if the water can not be discharged in time, the power of the hydrogen circulating pump is overhigh to cause the shutdown, and finally the water generated in the galvanic pile can not be discharged in time to influence the output power and the service life of the system, so the inventor designs the integrated water-gas separation circulating device for the fuel cell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an integral type aqueous vapor separation circulating device for fuel cell has solved the problem that the water that the pile produced in the hydrogen circulating pump can not in time effectively discharge influence equipment normal operating.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integral type aqueous vapor separation circulating device for fuel cell, includes the separation shell, the lower cover is installed at the top of separation shell, and the upper end cover is installed to the port department of lower cover, installs hydrogen circulation mechanism between upper end cover and the lower cover, is connected with the motor through bearing end cover on the upper end cover, and the output shaft of motor runs through the upper end cover and is connected with hydrogen circulation mechanism, and the terminal inboard bottom at the lower cover of passing through lock nut movable mounting of output shaft of motor, install water and gas separator in the separation shell, be provided with the aqueous vapor interface on the separation shell and be linked together with water and gas separator's leading-in joint, the intercommunicating pore has been seted up with water and gas separator and has been linked together to the bottom of lower cover, and the gas.

Preferably, the separation shell, the lower end cover and the upper end cover are connected in an integrated sealing combination manner.

Preferably, the motor is provided with a power line.

Preferably, the hydrogen circulation mechanism is matched with an output shaft of the motor, and a sealed cavity formed by the upper end cover and the lower end cover is matched with the hydrogen circulation mechanism.

Preferably, the bottom of the inner side of the separation shell is designed to be inverted cone, and a drain valve is installed at a drain outlet at the bottom of the separation shell.

Preferably, the water-gas separator and the motor are both controlled by circuits through a main controller.

(III) advantageous effects

The utility model provides an integral type aqueous vapor separation circulating device for fuel cell. The method has the following beneficial effects:

this an integral type aqueous vapor separation circulating device for fuel cell, through with aqueous vapor separator and hydrogen circulation mechanism integrated design, make the separation that needs endless hydrogen among the fuel cell earlier through aqueous vapor separator, separate moisture and hydrogen, the leading-in hydrogen circulation mechanism of reintroduction circulates and derives, and the back taper design of the inboard bottom of separation shell makes the water of separation in the aqueous vapor separator gather, discharge through the drain valve is concentrated at last, simultaneously a plurality of subassemblies of fuel cell are integrated together, be provided with the intercommunicating pore between hydrogen circulating pump and aqueous vapor separator, can guarantee that the water that accumulates among the hydrogen circulating pump flows back to aqueous vapor separator once more through the intercommunicating pore, avoid producing the circumstances that the water that gathers and cause the shut down in the hydrogen circulating pump. Inside the water separator can be discharged once more to hydrogen circulating pump's water, then concentrate the discharge through the drain valve, the effectual reduction equipment subassembly occupation space of integrated design ensures the stability of cooperation between each subassembly simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the present invention.

In the figure: the device comprises a separation shell 1, a lower end cover 2, an upper end cover 3, a locking nut 4, a motor 5, a water-gas separator 6, a drain valve 7, a water-gas interface 8, a hydrogen circulation mechanism 9, a gas outlet 10, a power line 11 and a communication hole 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: an integrated water-gas separation circulating device for a fuel cell comprises a separation shell 1, a lower end cover 2 is installed at the top of the separation shell 1, an upper end cover 3 is installed at the port of the lower end cover 2, the separation shell 1, the lower end cover 2 and the upper end cover 3 are connected in an integrated sealing combination mode, a hydrogen circulating mechanism 9 is installed between the upper end cover 3 and the lower end cover 2, a motor 5 is connected onto the upper end cover 3 through a bearing end cover, a power line 11 is arranged on the motor 5, an output shaft of the motor 5 penetrates through the upper end cover 2 and is connected with the hydrogen circulating mechanism 9, the tail end of the output shaft of the motor 5 is movably installed at the bottom of the inner side of the lower end cover 2 through a locking nut 4, the hydrogen circulating mechanism 9 is matched with the output shaft of the motor 5, a sealing cavity formed by the upper end cover 3 and the lower end cover 2 is matched, the water-gas interface 8 is arranged on the separation shell 1 and is communicated with a leading-in connector of the water-gas separator 6, the communicating hole 12 is formed in the bottom of the lower end cover 2 and is communicated with the water-gas separator 6, the gas outlet 10 is formed in the side face of the lower end cover 2 and is communicated with a gas exhaust connector of the hydrogen circulating mechanism 9, the bottom of the inner side of the separation shell 1 is designed in an inverted cone shape, so that water separated by the water-gas separator 6 can be accumulated, the drain valve 7 is arranged at a drain outlet in the bottom of the separation shell 1, and the water-gas separator 6 and the motor.

The electrical components present therein are all connected to an external fuel cell master controller, and the master controller may be a conventionally known device for controlling a computer or the like.

The working principle is as follows: the water-gas interface 8 of the device is connected with a fuel cell system, the gas outlet 10 is connected with a hydrogen circulating system, the water-gas separator 6 and the motor 5 are both controlled by a main controller, the water-gas separator 6 separates the introduced water gas, so that the separated water falls on the bottom of the inner side of the separation shell 1 to be accumulated, and the separated hydrogen gas is introduced into the hydrogen circulating mechanism 9 and is circularly discharged through the gas outlet 10.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integral type water-gas separation circulating device for fuel cell, includes the separation shell, its characterized in that: the hydrogen circulation device is characterized in that a lower end cover is installed at the top of the separation shell, an upper end cover is installed at a port of the lower end cover, a hydrogen circulation mechanism is installed between the upper end cover and the lower end cover, a motor is connected to the upper end cover through a bearing end cover, an output shaft of the motor penetrates through the upper end cover and is connected with the hydrogen circulation mechanism, the tail end of the output shaft of the motor is movably installed at the bottom of the inner side of the lower end cover through a locking nut, a water-gas separator is installed in the separation shell, a water-gas interface is arranged on the separation shell and is communicated with a leading-in connector of the water-gas separator, a communication hole is formed in the bottom of.

2. The integrated water gas separation cycle device for a fuel cell according to claim 1, wherein: the separation shell, the lower end cover and the upper end cover are connected in an integrated sealing combination manner.

3. The integrated water gas separation cycle device for a fuel cell according to claim 1, wherein: the motor is provided with a power line.

4. The integrated water gas separation cycle device for a fuel cell according to claim 1, wherein: the hydrogen circulation mechanism is matched with an output shaft of the motor, and a sealed cavity formed by the upper end cover and the lower end cover is matched with the hydrogen circulation mechanism.

5. The integrated water gas separation cycle device for a fuel cell according to claim 1, wherein: the inboard bottom of separation shell is the back taper design, and the bottom drain outlet department of separation shell installs the drain valve.

6. The integrated water gas separation cycle device for a fuel cell according to claim 1, wherein: and the water-gas separator and the motor are both controlled by a main controller.