CN214198164U

CN214198164U - Hydrogen diffusing device for fuel cell automobile hydrogenation station

Info

Publication number: CN214198164U
Application number: CN202121861936.5U
Authority: CN
Inventors: 张家朋; 王岩斌; 张攀
Original assignee: Henan Henan Henan Hydrogen Equipment Co ltd
Current assignee: Henan Henan Henan Hydrogen Equipment Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-09-14
Anticipated expiration: 2031-08-10

Abstract

The utility model belongs to the technical field of fuel cell car hydrogenation stations, in particular to a device for guaranteeing safe diffusion of hydrogen, each part in the device can be manufactured in a standardized way, is convenient for workshop curing process and mass production, and the middle of the device is provided with pipe joints, so that the aim of adapting to actual field requirements can be achieved by increasing or decreasing the number of pipe joint combinations; the bottom of the pipe seat is provided with a drain outlet and a drain valve, so that accumulated water and the like can be drained regularly; the bottom plate of the tube seat is provided with an anti-static ground wire bolt hole which is connected with a static grounding grid through a static grounding wire, so that static electricity can be released in time, and safety accidents are avoided; the air outlets of the horn-shaped diffusers are arranged on two sides of the top of the device, so that rainwater can be prevented from directly entering the device, and a plurality of tear holes are formed in the bottoms of the diffusers, so that rainwater entering the diffuser from the side surface can be timely drained; the air outlet of the horn-shaped diffuser is provided with a bird-proof net cover which can prevent blockage.

Description

Hydrogen diffusing device for fuel cell automobile hydrogenation station

Technical Field

The utility model belongs to the technical field of fuel cell car hydrogenation station, particularly, relate to a guarantee hydrogen safety diffuses, device of standardized preparation.

Background

As fuel cell vehicles are gradually brought to market applications from sample vehicles, the hydrogen refueling stations as refueling stations are also gradually popularized and applied. However, hydrogen still belongs to dangerous chemicals, and safety control of hydrogen must be enhanced.

In the hydrogenation station, after the hydrogenation equipment is filled with the fuel cell automobile every time or during maintenance or when the conditions such as accidents are met, the system has a hydrogen discharge process, and in the process, the installation of a safe and effective diffusion device at the tail end of hydrogen discharge is very necessary. Firstly, hydrogen belongs to flammable and explosive gas, and when the hydrogen is accidentally combusted in the presence of an unknown fire source, the diffusing device can effectively prevent flame from spreading; secondly, hydrogen is the lightest gas in nature, and the discharge of hydrogen in the atmosphere is upward flowing, so that the diffusing device has a certain height and measures for preventing the blockage of a flow passage; thirdly, some moisture and impurities are mixed in the hydrogen discharging process, so that the discharging device is provided with a sewage outlet; finally, the hydrogenation stations are diversified on site and are randomly matched with hydrogen diffusing devices, so that the hydrogen safety discharge cannot be guaranteed to the maximum extent, the working hours are wasted, the product quality is different, and the process cannot be solidified.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a fuel cell car hydrogenation station hydrogen diffuses device.

The device has reasonable structure, safety, effectiveness, complete functions, standardized manufacture, convenient field installation and maintenance, and can effectively ensure the concentrated diffusion of hydrogen in the hydrogen station.

A hydrogen diffusing device of a fuel cell automobile hydrogenation station comprises a tube seat, wherein a tube joint, a flame arrester and a claw type diffuser are sequentially arranged above the tube seat; the pipe seat and the foundation are connected in a pre-buried foundation bolt mode or a pre-buried steel plate is welded and fixed on site, the flame arrester and the horn-shaped diffuser are connected by a first bolt group, the pipe joint and the flame arrester are connected by a second bolt group, the pipe seat and the pipe joint are connected by a third bolt group, and a stay wire fixing clamp is fixedly arranged on the pipe joint; the number of the pipe joints can be increased or decreased according to the actual height required by the diffusing device; the pipe seat comprises a steel pipe body and a bottom plate arranged below the steel pipe body, a second bolt hole is formed in the upper end of the steel pipe body, bolts in a third bolt group can penetrate into the second bolt hole, a sewage discharge port and a sewage discharge valve are arranged on one side, close to the bottom plate, of the steel pipe body, the sewage discharge valve is located between the sewage discharge port and the steel pipe body, one end of the sewage discharge valve is connected with the sewage discharge port through a fourth bolt group, the other end of the sewage discharge valve is connected with the steel pipe body through a fifth bolt group, an air inlet is further formed in the steel pipe body, and a quick-assembling clamp is arranged on the air inlet; the bottom plate is provided with an anti-static wiring hole; a rib plate is welded between the steel pipe body and the bottom plate;

the claw-shaped diffuser comprises a diffuser body and a connecting column fixedly connected with the diffuser body, wherein a first bolt hole is formed in the connecting column, a bolt in a first bolt group can penetrate into the first bolt hole, the diffuser body is of a claw-shaped structure, air outlets are formed in two sides of the top of the diffuser body, and a plurality of tear holes are formed in the bottom of the diffuser body; an anti-bird net cover is arranged in the air outlet of the diffuser.

By adopting the technical scheme, the following beneficial effects can be brought:

the device is designed in a module mode and mainly comprises a pipe seat, a flame arrester, a horn-shaped radiator and a pipe joint which are combined, wherein the four components are connected in a bolt combination mode, so that the device is simple and convenient to assemble; all parts in the device can be manufactured in a standardized manner, so that a workshop curing process is facilitated, batch production is facilitated, and the product quality and interchangeability are controllable; the hydrogenation stations have different field conditions and different hydrogen evacuation positions, and the pipe joints are arranged in the middle of the device, so that the aim of adapting to the field actual requirement can be achieved by increasing or decreasing the number of the pipe joint combinations, the field secondary manufacturing is avoided, and the labor and the working hours are saved; the bottom of the pipe seat is provided with a drain outlet and a drain valve, so that accumulated water and the like can be discharged regularly, and the phenomenon that gas is discharged smoothly due to the fact that accumulated objects exceed the gas inlet is avoided; the bottom plate of the tube seat is provided with an anti-static ground wire bolt hole which is connected with a static grounding grid through a static grounding wire, so that static electricity can be released in time, and safety accidents are avoided; the air outlets of the horn-shaped diffusers are arranged on two sides of the top of the device, so that rainwater can be prevented from directly entering the device, and a plurality of tear holes are formed in the bottoms of the diffusers, so that rainwater entering from the side can be timely drained, and rainwater accumulation is prevented; the bird-proof mesh enclosure is arranged at the air outlet of the horn-shaped radiator, so that the problem of air outlet blockage caused by bird nesting and the like can be prevented; the upper part of the pipe section of the device is provided with a stay wire fixing clamp, and the device is connected with a stay wire ring on the ground through a plurality of wires, so that the loosening device is prevented from toppling and inclining; the air inlet of the device is provided with the fast-assembling clamp, so that the fast connection with a site emptying pipeline is facilitated.

Drawings

FIG. 1 is a front view of a hydrogen diffusion device of a fuel cell vehicle hydrogen station;

FIG. 2 is a side view of a hydrogen diffusion device for a fuel cell vehicle hydrogen station according to the present invention;

FIG. 3 is a schematic structural view of a claw-type diffuser of a hydrogen diffusing device of a fuel cell vehicle hydrogen station according to the present invention;

fig. 4 is a schematic structural view of a tube seat of a hydrogen diffusion device of a fuel cell vehicle hydrogen station.

In the figure: 1. a horn-shaped diffuser; 2. a first bolt group; 3. a flame arrestor; 4. a second bolt group; 5. a stay wire fixing clamp; 6. pipe joints; 7. a third bolt group; 8. a tube holder; 1-1, a diffuser body; 1-2, bird prevention net cover; 1-3, lacrimal pores; 1-4, a first bolt hole; 1-5, air outlet; 8-1, a second bolt hole; 8-2, a steel pipe body; 8-3, an air inlet; 8-4, a blowdown valve; 8-5, a sewage draining outlet; 8-6, a fourth bolt group; 8-7, a fifth bolt group; 8-8, antistatic wiring holes; 8-9, a bottom plate; 8-10 parts of rib plates; 8-11 and a quick-mounting clamp.

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.

A hydrogen diffusing device of a fuel cell automobile hydrogenation station comprises a pipe seat 8, wherein a pipe joint 6, a flame arrester 3 and a claw type diffuser 1 are sequentially arranged above the pipe seat. The connection between the pipe seat 8 and the foundation is realized in a pre-buried foundation bolt mode or a pre-buried steel plate is welded and fixed on site, the flame arrester 3 and the horn-shaped diffuser 1 are connected through a first bolt group 2, the pipe joint 6 and the flame arrester 3 are connected through a second bolt group 4, the pipe seat 8 and the pipe joint 6 are connected through a third bolt group 7, and the pipe joint 6 is fixedly provided with a pull wire fixing clamp 5; the number of the pipe joints 6 can be increased or decreased according to the actual height required by the diffusing device, so that the purpose of increasing or decreasing the height of the hydrogen evacuation point is achieved, the pipe joints are freely combined, and the operation is simple and convenient; the pipe seat 8 comprises a steel pipe body 8-2 and a bottom plate 8-9 arranged below the steel pipe body 8-2, the upper end of the steel pipe body 8-2 is provided with a second bolt hole 8-1, a bolt in a third bolt group 7 can penetrate into the second bolt hole 8-1, one side of the steel pipe body 8-2 close to the bottom plate 8-9 is provided with a sewage outlet 8-5 and a sewage valve 8-4 for discharging accumulated water at regular intervals, the sewage valve 8-4 is positioned between the sewage outlet 8-5 and the steel pipe body 8-2, one end of the sewage valve 8-4 is connected with the sewage outlet 8-5 through a fourth bolt group 8-6, the other end of the sewage valve is connected with the steel pipe body 8-2 through a fifth bolt group 8-7, the steel pipe body 8-2 is also provided with an air inlet 8-3, the air inlet 8-3 is provided with a fast-assembling clamp 8-11, which is convenient for fast connection with a field emptying pipeline. The bottom plate 8-9 is provided with an anti-static wiring hole 8-8 which can be connected with an on-site static grounding net through a static grounding wire to release static in time and prevent static from gathering; ribbed plates 8-10 are welded between the steel pipe body 8-2 and the bottom plate 8-9 to improve the strength of the pipe seat 8.

The cavel type diffuser 1 comprises a diffuser body 1-1 and a connecting column fixedly connected with the diffuser body 1-1, wherein a first bolt hole 1-4 is formed in the connecting column, a bolt in a first bolt group 2 can penetrate into the first bolt hole 1-4, the diffuser body 1-1 is of a cavel type structure, air outlets 1-5 are formed in two sides of the top of the diffuser body, the air outlets 1-5 are formed in two sides of the top of the diffuser body and are arranged on two sides of the top of the diffuser body, rainwater can be prevented from directly invading, a plurality of tear holes 1-3 are formed in the bottom of the diffuser body 1-1, rainwater entering from the side can be timely discharged, and the rainwater can be prevented from gathering; the bird-proof net cover 1-2 is arranged in the air outlet 1-5 of the diffuser, so that the air outlet can be prevented from being blocked due to bird nesting and the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A hydrogen diffusing device of a fuel cell automobile hydrogenation station is characterized by comprising a pipe seat (8), wherein a pipe joint (6), a flame arrester (3) and a claw type diffuser (1) are sequentially arranged above the pipe seat; the pipe seat (8) and the foundation are connected in a pre-buried foundation bolt mode or pre-buried steel plates are welded and fixed on site, the flame arrester (3) and the horn-shaped diffuser (1) are connected through a first bolt group (2), the pipe joint (6) and the flame arrester (3) are connected through a second bolt group (4), the pipe seat (8) and the pipe joint (6) are connected through a third bolt group (7), and the pipe joint (6) is fixedly provided with a pull wire fixing clamp (5); the number of the pipe joints (6) can be increased or decreased according to the actual height required by the diffusing device; the pipe seat (8) comprises a steel pipe body (8-2) and a bottom plate (8-9) arranged below the steel pipe body (8-2), a second bolt hole (8-1) is formed in the upper end of the steel pipe body (8-2), bolts in a third bolt group (7) can penetrate into the second bolt hole (8-1), a sewage outlet (8-5) and a sewage valve (8-4) are arranged on one side, close to the bottom plate (8-9), of the steel pipe body (8-2), the sewage valve (8-4) is located between the sewage outlet (8-5) and the steel pipe body (8-2), one end of the sewage valve (8-4) is connected with the sewage outlet (8-5) through a fourth bolt group (8-6), and the other end of the sewage valve is connected with the steel pipe body (8-2) through a fifth bolt group (8-7), the steel pipe body (8-2) is also provided with an air inlet (8-3), and the air inlet (8-3) is provided with a fast-assembling clamp (8-11); the bottom plates (8-9) are provided with antistatic wiring holes (8-8); a ribbed plate (8-10) is welded between the steel pipe body (8-2) and the bottom plate (8-9);

the cavel-shaped diffuser (1) comprises a diffuser body (1-1) and a connecting column fixedly connected with the diffuser body (1-1), wherein a first bolt hole (1-4) is formed in the connecting column, bolts in a first bolt group (2) can penetrate through the first bolt hole (1-4), the diffuser body (1-1) is of a cavel-shaped structure, air outlets (1-5) are formed in two sides of the top of the diffuser body, and a plurality of tear holes (1-3) are formed in the bottom of the diffuser body (1-1); an anti-bird net cover (1-2) is arranged in an air outlet (1-5) of the diffuser.