CN212107878U

CN212107878U - Hydrogenation gun gas supply pipeline system with purging function and hydrogenation machine

Info

Publication number: CN212107878U
Application number: CN202020751567.3U
Authority: CN
Inventors: 陈丽娟; 梁晓燕; 高韬; 余勇; 姜勇; 何滔
Original assignee: Liquid Air Hou Pu Hydrogen Energy Equipment Co ltd
Current assignee: Liquid Air Hou Pu Hydrogen Energy Equipment Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-08
Anticipated expiration: 2030-05-09

Abstract

A hydrogenation gun gas supply pipeline system with a purging function comprises a hydrogenation gun gas supply pipe and a purging gun gas supply pipe; the inlet end of a gas supply pipe of the hydrogenation gun is connected with a hydrogen source, the outlet end of the gas supply pipe of the hydrogenation gun is connected with a first breaking valve, and the first breaking valve is connected with the hydrogenation gun through a hydrogenation hose; the inlet end of the air supply pipe of the purging gun is connected with an inert gas source, and the outlet end of the air supply pipe of the purging gun is connected with the purging gun through a purging hose; the purging gun gas supply pipe is connected with the hydrogenation gun gas supply pipe through a purging pipe, and one or more purging pipe cut-off valves are arranged on the purging pipe. The hydrogenation gun gas supply pipeline system and the hydrogenation machine can purge the hydrogenation gun through the purge gun, so that the cleanness of the gun head during filling of the hydrogenation gun is ensured, and the pollution of a fuel cell is avoided.

Description

Hydrogenation gun gas supply pipeline system with purging function and hydrogenation machine

Technical Field

The utility model relates to a hydrogenation machine field refers in particular to a possesses hydrogenation rifle air supply line system and hydrogenation machine that sweeps function.

Background

The existing fuel cell vehicles comprise CNG fuel cell vehicles and hydrogen fuel cell vehicles; in a CNG fuel cell vehicle, the CNG gas mixed with fine impurities does not have an excessive influence on the fuel cell. However, in the case of a hydrogen fuel cell vehicle, the purity of hydrogen gas has a great influence on the fuel cell, and the fuel cell can only be discarded after being contaminated, and the fuel cell accounts for more than 50% of the cost of the whole vehicle, so that the maintenance of the hydrogen gas purity in the whole hydrogen filling system is very important.

The existing hydrogenation machine is arranged below a shed and close to a highway, the operation environment is complex, a gun head of a hydrogenation gun is arranged outside the hydrogenation machine, the gun head is arranged on a gun head seat of the hydrogenation machine after low-temperature filling, and the gun head is required to adsorb impurities such as moisture, dust and the like in the air. When the fuel cell is filled next time, the impurities enter the fuel cell along with the action of the insertion gun, and further pollute a hydrogen storage bottle of the fuel cell.

Therefore, it is particularly necessary to avoid introducing impurities into the fuel cell during refueling of the hydrogenation lance.

Disclosure of Invention

The utility model aims to provide a: aiming at the existing problems, the hydrogenation gun gas supply pipeline system with the purging function and the hydrogenation machine are provided, the hydrogenation gun can be purged through the purging gun, so that the cleanness of the gun head during filling of the hydrogenation gun is ensured, and the pollution of a fuel cell is avoided.

The utility model adopts the technical scheme as follows:

a hydrogenation gun gas supply pipeline system with a purging function comprises a hydrogenation gun gas supply pipe and a purging gun gas supply pipe;

the inlet end of a gas supply pipe of the hydrogenation gun is connected with a hydrogen source, the outlet end of the gas supply pipe of the hydrogenation gun is connected with a first breaking valve, and the first breaking valve is connected with the hydrogenation gun through a hydrogenation hose; the inlet end of the air supply pipe of the purging gun is connected with an inert gas source, and the outlet end of the air supply pipe of the purging gun is connected with the purging gun through a purging hose; the purging gun gas supply pipe is connected with the hydrogenation gun gas supply pipe through a purging pipe, and one or more purging pipe cut-off valves are arranged on the purging pipe.

Due to the structure, the purging gun air supply pipe is additionally arranged beside the hydrogenation gun air supply pipe, so that the gun head of the hydrogenation gun can be purged by using the purging gun before filling, the cleanness of the gun head of the hydrogenation gun is further ensured, and impurities are prevented from being injected into the fuel cell. Simultaneously, sweep the rifle air supply pipe and link to each other with the hydrogenation rifle air supply pipe through sweeping the pipe, when the hydrogenation rifle air supply pipe need be overhauld, can also provide inert gas for the hydrogenation rifle air supply pipe and sweep, guarantee to overhaul safety.

Furthermore, a purging pipe one-way valve is arranged on the purging pipe. Can prevent high-pressure hydrogen from entering the air supply pipe of the purging gun and ensure safety.

Furthermore, be provided with two on the purge tube and sweep a tub trip valve and a purge pipe check valve, sweep a tub check valve and be located two and sweep between the tub trip valve.

Due to the structure, the two purging pipe cut-off valves play an important role in double cut-off, and complete cut-off of the purging pipes is guaranteed.

Further, a pneumatic cut-off valve of the hydrogenation gun gas supply pipe is arranged on the hydrogenation gun gas supply pipe; the purging gun air supply pipe is connected with the pneumatic cut-off valve of the hydrogenation gun air supply pipe through an instrument air pipe to provide an air source for the pneumatic cut-off valve of the hydrogenation gun air supply pipe; and an instrument air pipe cut-off valve is arranged on the instrument air pipe.

Due to the structure, the hydrogenation gun air supply pipe can not only blow the hydrogenation gun for the air supply of the blowing gun, but also provide an air source required by the work for the pneumatic cut-off valve of the hydrogenation gun air supply pipe, thereby ensuring the safe operation of the pipeline.

Furthermore, the inlet end of the hydrogenation hose is connected with the first breaking valve, and the outlet end of the hydrogenation hose is connected with the hydrogenation gun through the switching valve; still be connected with the hose that loses heart of hydrogenation rifle on the diverter valve, the hose that loses heart of hydrogenation rifle one end links to each other with the diverter valve, and the other end links to each other with hydrogenation rifle diffusion pipe through breaking valve two.

Due to the structure, during filling, the through hole controls the switching valve to enable the hydrogenation hose to be communicated with the hydrogenation gun, after the filling of the hydrogenation gun is completed, high-pressure gas exists in the gun, if the hydrogenation gun is inserted into the gun seat at the moment, the gun is very dangerous, the communicating pipe between the hydrogenation gun and the hydrogenation hose can be disconnected through the switching valve at the moment, the hydrogenation gun air leakage hose is communicated with the hydrogenation gun, and then the residual high-pressure gas in the hydrogenation gun is diffused through the hydrogenation gun diffusion pipe.

Furthermore, be connected with the maintenance on the hydrogenation rifle air supply pipe and diffuse the pipe, it diffuses the pipe and diffuse the valve to overhaul to be provided with one or more maintenance on the pipe to overhaul.

Due to the structure, when the gas supply pipe of the hydrogenation gun needs to be overhauled, high-pressure hydrogen in the gas supply pipe of the hydrogenation gun is diffused through the overhauling diffusing pipe, and meanwhile, the inert gas which is blown by the purging pipe to blow the gas supply pipe of the hydrogenation gun can be diffused from the overhauling diffusing pipe.

Furthermore, an overpressure diffusing pipe is connected to the hydrogenation gun gas supply pipe, a safety valve is arranged on the overpressure diffusing pipe, and the safety valve is used for diffusing gas in the overpressure diffusing pipe.

Further, a hydrogen source cut-off valve is arranged at the inlet end of the gas supply pipe of the hydrogenation gun;

the outlet end of the gas supply pipe of the hydrogenation gun is provided with a filling valve;

a one-way valve, a filter and a flowmeter of the hydrogen supply gun gas supply pipe are arranged between the hydrogen source cut-off valve and the filling valve on the hydrogen supply gun gas supply pipe;

and a purging valve is arranged at the outlet end of the gas supply pipe of the purging gun.

The utility model also discloses a hydrogenation machine, which comprises a hydrogenation machine body and the hydrogenation gun air supply pipeline system; the hydrogenation gun gas supply pipe and the purging gun gas supply pipe are arranged in the hydrogenation machine body, or the hydrogenation gun gas supply pipe is arranged in the hydrogenation machine body, and the purging gun gas supply pipe is arranged outside the hydrogenation machine body; the hydrogenation gun and the purging gun are suspended outside the hydrogenation machine body.

Due to the structure, the purging gun is suspended outside the hydrogenation machine, the hydrogenation gun is purged and cleaned before hydrogenation every time, and the purging gun is connected with the purging gun air supply pipe through the hose and can also be conveniently and flexibly moved outside the hydrogenation machine. Simultaneously, when hydrogenation rifle air supply pipe and sweep rifle air supply pipe setting in the hydrogenation machine organism, can be in the same place all pipeline encapsulation, avoid on-the-spot mixed and disorderly. When the hydrogenation gun gas supply pipe is arranged in the hydrogenation machine body, and the purging gun gas supply pipe is arranged outside the hydrogenation machine body, the existing hydrogenation machine can be conveniently transformed, and only one purging gun gas supply pipe is directly additionally arranged outside the hydrogenation machine.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure sets up extra rifle and the rifle air supply pipe that sweeps on original hydrogenation machine, just can clean the rifle head of hydrogenation rifle and sweep, avoids the hydrogenation rifle to pour into fuel cell with impurity, has avoided fuel cell to be damaged.

2. The utility model discloses a sweep the rifle air supply pipe and can also provide inert gas for the maintenance of hydrogenation rifle air supply pipe and sweep, provide the air supply for the pneumatic trip valve of hydrogenation rifle air supply pipe.

3. The cleanliness of the hydrogenation gun is kept, the abrasion caused by impurities of the gun head is reduced, and the service life of the hydrogenation gun is prolonged;

4. the leakage risk caused by the abrasion of the hydrogenation gun is reduced, and the filling safety is improved.

Drawings

Fig. 1 is a structural view of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A hydrogenation gun gas supply pipeline system with a purging function comprises a hydrogenation gun gas supply pipe a and a purging gun gas supply pipe i;

the inlet end of the hydrogenation gun gas supply pipe a is connected with a hydrogen source, the outlet end of the hydrogenation gun gas supply pipe a is connected with a first breaking valve 10, and the first breaking valve 10 is connected with a hydrogenation gun 12 through a hydrogenation hose f;

the inlet end of the air supply pipe i of the purging gun is connected with an inert gas source, and the outlet end of the air supply pipe i of the purging gun is connected with the purging gun 13 through a purging hose h; in this embodiment, the inert gas source is a nitrogen gas source;

the purging gun gas supply pipe i is connected with the hydrogenation gun gas supply pipe a through a purging pipe k, and one or more purging pipe cut-off valves 15 are arranged on the purging pipe k. As shown in FIG. 1, the purge pipe k is connected to the front ends of the hydrogenation gun gas supply pipe a and the purge gun gas supply pipe i.

The purging pipe k is provided with a purging pipe one-way valve 16, as shown in fig. 1, the purging pipe k is provided with two purging pipe cut-off valves 15 and one purging pipe one-way valve 16, and the purging pipe one-way valve 16 is located between the two purging pipe cut-off valves 15.

The hydrogenation gun gas supply pipe a is provided with a pneumatic cut-off valve 4 of the hydrogenation gun gas supply pipe; the purge gun air supply pipe i is connected with the pneumatic cut-off valve 4 of the hydrogenation gun air supply pipe through an instrument air pipe j, and provides an air source for the pneumatic cut-off valve 4 of the hydrogenation gun air supply pipe; and an instrument air pipe cut-off valve 5 is arranged on the instrument air pipe j. As shown in fig. 1, the pneumatic shutoff valve 4 of the hydrogenation gun gas supply pipe is located at the downstream end of the connection point of the purge pipe k and the hydrogenation gun gas supply pipe a.

When the pneumatic cut-off valve 4 of the hydrogenation gun gas supply pipe is connected and controlled by a controller, the controller controls the pneumatic cut-off valve 4 of the hydrogenation gun gas supply pipe to automatically cut off the hydrogenation gun gas supply pipe a when the flowmeter 18 detects that the flow of the hydrogenation gun gas supply pipe a is too large or too small, so that the pipeline safety is ensured; when the controller receives a filling signal, the pneumatic cut-off valve 4 of the gas supply pipe of the hydrogenation gun can be controlled to be automatically opened.

The inlet end of the hydrogenation hose f is connected with a first breaking valve 10, and the outlet end of the hydrogenation hose f is connected with a hydrogenation gun 12 through a switching valve 11; still be connected with hydrogenation rifle hose e that loses heart on the diverter valve 11, hydrogenation rifle hose e that loses heart one end links to each other with diverter valve 11, and the other end links to each other with hydrogenation rifle diffusion pipe d through breaking valve two 9.

The hydrogenation hose f is connected with the hydrogenation gun air supply pipe a through the first breaking valve 10, when the hydrogenation gun 12 is inserted into an automobile and the automobile is not pulled out to start, the connection between the hydrogenation hose f and the breaking valve can be disconnected, and meanwhile, the breaking valve automatically cuts off the hydrogenation gun air supply pipe a, so that the safety is ensured; the second breaking valve 9 is connected with a bleeding pipe d of the hydrogenation gun to have the same function; the purge gun air supply pipe i is directly connected to the purge hose h because the purge gun 13 is not inserted into the vehicle.

The hydrogenation gun gas supply pipe a is connected with an overhaul diffusing pipe b, and the overhaul diffusing pipe b is provided with one or more overhaul diffusing pipe diffusing valves 6.

The hydrogenation gun gas supply pipe a is connected with an overpressure release pipe c, a safety valve 7 is arranged on the overpressure release pipe c, and the safety valve 7 is used for releasing gas in the overpressure release pipe c.

As shown in fig. 1, the outlet ends of the overhaul diffusing pipe b, the overpressure diffusing pipe c and the hydrogenation gun diffusing pipe d are converged at a diffusing header pipe g.

A hydrogen source cut-off valve 1 is arranged at the inlet end of the gas supply pipe a of the hydrogenation gun; the outlet end of the hydrogenation gun gas supply pipe a is provided with a filling valve 8; a one-way valve 2, a filter 3 and a flowmeter 18 of the hydrogenation gun gas supply pipe are also arranged on the hydrogenation gun gas supply pipe a and between the hydrogen source cut-off valve 1 and the filling valve 8; the outlet end of the air supply pipe i of the purging gun is provided with a purging valve 14.

As shown in fig. 1, a hydrogen source cut-off valve 1, a hydrogenation gun air supply pipe one-way valve 2, a filter 3, a hydrogenation gun air supply pipe pneumatic cut-off valve 4, a flow meter 18 and a filling valve 8 are sequentially arranged from the inlet end to the outlet end of a hydrogenation gun air supply pipe a; wherein, the connection point of the purge pipe k and the hydrogenation gun gas supply pipe a is positioned at the upstream end of the hydrogen source cut-off valve 1.

As shown in fig. 1, when the hydrogenation gun 12 is subjected to purge cleaning, the purge valve 14 is opened; the two purge pipe cut-off valves 15 are closed; and the meter air duct cut-off valve 5 is closed or opened. Inert gas is introduced into the purge lance 13 through the purge lance gas supply pipe i to purge the hydrogenation lance 12.

When the hydrogenation gun gas supply pipe a is overhauled, the hydrogen source cut-off valve 1, the purging pipe cut-off valve 15, the hydrogenation gun gas supply pipe pneumatic cut-off valve 4 and the overhauling bleeding pipe bleeding valve 6 are opened; and the filling valve 8 and the purging valve 14 are closed, inert gas passes through the purging gun gas supply pipe i, the purging pipe k and the hydrogenation gun gas supply pipe a, then all hydrogen of the hydrogenation gun gas supply pipe a is replaced by inert gas, and then the inert gas is discharged from the maintenance diffusing pipe b.

In this embodiment, the gas pressure of the hydrogen source is 35 to 45MPa, and the pressure of the inert gas source is 0.6 to 0.8 MPa.

Example 2

A hydrogenation machine comprises a hydrogenation machine body and a hydrogenation gun gas supply pipe a-way system in the embodiment 1; the hydrogenation gun gas supply pipe a and the purging gun gas supply pipe i are arranged in the hydrogenation machine body, and the hydrogenation gun 12 and the purging gun 13 are suspended outside the hydrogenation machine body.

Example 3

A hydrogenation machine comprises a hydrogenation machine body and a hydrogenation gun gas supply pipe a-way system in the embodiment 1; the hydrogenation gun gas supply pipe a is arranged in the hydrogenation machine body, the purging gun gas supply pipe i is arranged outside the hydrogenation machine body, and the hydrogenation gun 12 and the purging gun 13 are suspended outside the hydrogenation machine body.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a possesses hydrogenation rifle air supply line system that sweeps function which characterized in that: the device comprises a hydrogenation gun gas supply pipe (a) and a purging gun gas supply pipe (i);

the inlet end of the hydrogenation gun gas supply pipe (a) is connected with a hydrogen source, the outlet end of the hydrogenation gun gas supply pipe (a) is connected with a first breaking valve (10), and the first breaking valve (10) is connected with a hydrogenation gun (12) through a hydrogenation hose (f); the inlet end of the purging gun gas supply pipe (i) is connected with an inert gas source, and the outlet end of the purging gun gas supply pipe (i) is connected with a purging gun (13) through a purging hose (h); the purging gun gas supply pipe (i) is connected with the hydrogenation gun gas supply pipe (a) through a purging pipe (k), and one or more purging pipe cut-off valves (15) are arranged on the purging pipe (k).

2. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein: and the purging pipe (k) is provided with a purging pipe one-way valve (16).

3. The purge-capable hydrogenation lance gas supply line system of claim 2, wherein: two purging pipe cut-off valves (15) and a purging pipe one-way valve (16) are arranged on the purging pipe (k), and the purging pipe one-way valve (16) is located between the two purging pipe cut-off valves (15).

4. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein: the hydrogenation gun gas supply pipe (a) is provided with a pneumatic cut-off valve (4) of the hydrogenation gun gas supply pipe; the purging gun air supply pipe (i) is connected with the pneumatic cut-off valve (4) of the hydrogenation gun air supply pipe through an instrument air pipe (j) to provide an air source for the pneumatic cut-off valve (4) of the hydrogenation gun air supply pipe; and an instrument air pipe stop valve (5) is arranged on the instrument air pipe (j).

5. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein: the inlet end of the hydrogenation hose (f) is connected with a first breaking valve (10), and the outlet end of the hydrogenation hose (f) is connected with a hydrogenation gun (12) through a switching valve (11); still be connected with hydrogenation rifle hose (e) of leaking gas on diverter valve (11), hydrogenation rifle hose (e) of leaking gas one end links to each other with diverter valve (11), and the other end links to each other with hydrogenation rifle diffusion pipe (d) through breaking valve two (9).

6. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein: the hydrogen gun gas supply pipe (a) is connected with an overhaul diffusing pipe (b), and the overhaul diffusing pipe (b) is provided with one or more overhaul diffusing pipe diffusing valves (6).

7. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein: the hydrogenation gun gas supply pipe (a) is connected with an overpressure diffusing pipe (c), the overpressure diffusing pipe (c) is provided with a safety valve (7), and the safety valve (7) is used for diffusing gas in the overpressure diffusing pipe (c).

8. The purge-capable hydrogenation lance gas supply line system of claim 1, wherein:

a hydrogen source cut-off valve (1) is arranged at the inlet end of the hydrogenation gun gas supply pipe (a);

the outlet end of the hydrogenation gun gas supply pipe (a) is provided with a filling valve (8);

a one-way valve (2) of the hydrogenation gun gas supply pipe, a filter (3) and a flowmeter (18) are arranged on the hydrogenation gun gas supply pipe (a) and between the hydrogen source cut-off valve (1) and the filling valve (8);

and a purge valve (14) is arranged at the outlet end of the purge gun gas supply pipe (i).

9. A hydrogenation machine, characterized in that: it comprises a hydrogenation machine body and a hydrogenation gun gas supply pipe (a) system of one of the claims 1 to 8; the hydrogenation gun gas supply pipe (a) and the purging gun gas supply pipe (i) are arranged in the hydrogenation machine body, or the hydrogenation gun gas supply pipe (a) is arranged in the hydrogenation machine body, and the purging gun gas supply pipe (i) is arranged outside the hydrogenation machine body; the hydrogenation gun (12) and the purging gun (13) are suspended outside the hydrogenation machine body.