阅读说明：本技术 氢燃料电池汽车废弃高压储氢罐处理装置及氢气回收方法 (Treatment device and hydrogen recovery method for waste high-pressure hydrogen storage tank of hydrogen fuel cell automobile ) 是由 刘扬 方石 海滨 周健豪 龙安妮 姬智会 刘潇 于 2019-11-27 设计创作，主要内容包括：本发明公开了氢燃料电池汽车废弃高压储氢罐处理装置,设置氢气收集罐(15)、循环水箱(7)、储氢罐排气容器(3)；储氢罐(22)与储氢罐排气容器(3)的下部连接；循环水箱(7)通过进水管(1)、排水管(2)与储氢罐排气容器(3)连通；氢气收集罐(15)通过氢气排气管道与储氢罐排气容器(3)的上部连通。本发明还公开了该处理装置的氢气回收方法。采用上述技术方案,对罐体废弃产生的安全隐患及环境污染问题进行有效地处理,使包括高压储氢罐在内的各种高压罐体内氢气能够最大程度的加以回收利用；整个回收处理过程的自动化程度高,达到高压储氢罐罐体在废弃后合理地回收及处理。(The invention discloses a processing device of a waste high-pressure hydrogen storage tank of a hydrogen fuel cell automobile, which is provided with a hydrogen collecting tank (15), a circulating water tank (7) and a hydrogen storage tank exhaust container (3); the hydrogen storage tank (22) is connected with the lower part of the exhaust container (3) of the hydrogen storage tank; the circulating water tank (7) is communicated with the exhaust container (3) of the hydrogen storage tank through the water inlet pipe (1) and the water outlet pipe (2); the hydrogen collecting tank (15) is communicated with the upper part of the hydrogen storage tank exhaust container (3) through a hydrogen exhaust pipeline. The invention also discloses a hydrogen recovery method of the treatment device. By adopting the technical scheme, potential safety hazards and environmental pollution problems caused by the waste of the tank body are effectively treated, so that hydrogen in various high-pressure tank bodies including the high-pressure hydrogen storage tank can be recycled to the greatest extent; the whole recycling treatment process has high automation degree, and the high-pressure hydrogen storage tank body can be reasonably recycled and treated after being discarded.)

1. A hydrogen fuel cell automobile abandonment high pressure hydrogen storage tank processing apparatus for carry out recovery processing to hydrogen storage tank (22), its characterized in that: the processing device is provided with a hydrogen collecting tank (15), a circulating water tank (7) and a hydrogen storage tank exhaust container (3); the hydrogen storage tank (22) is connected with the lower part of the hydrogen storage tank exhaust container (3); the circulating water tank (7) is communicated with the exhaust container (3) of the hydrogen storage tank through a water inlet pipe (1) and a water outlet pipe (2); the hydrogen collecting tank (15) is communicated with the upper part of the hydrogen storage tank exhaust container (3) through a hydrogen exhaust pipeline.

2. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 1, characterized in that: the bottom of the interior of the hydrogen storage tank exhaust container (3) is provided with a turntable annular base (17), and the hydrogen storage tank (22) is fixedly arranged on the turntable annular base (17) through a tank body clamping device (18).

3. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 1, characterized in that: the inside of the hydrogen storage tank exhaust container (3) is provided with a rotary wall breaking drill bit (21) for drilling the hydrogen storage tank (22).

4. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 2, characterized in that: the rotary wall breaking drill bit (21) is arranged in the exhaust container (3) of the hydrogen storage tank through a wall breaking drill bit mechanical arm (20).

5. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 1, characterized in that: the exhaust container (3) of the hydrogen storage tank is an exhaust container of the hydrogen storage tank.

6. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 1, characterized in that: the upper part of the hydrogen storage tank exhaust container (3) is provided with a sealing top cover (4), and the sealing top cover (4) is provided with an air inlet and outlet pipeline (12).

7. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 6, characterized in that: an air inlet and outlet valve (13) is arranged on the air inlet and outlet pipeline (12).

8. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 6, characterized in that: the sealing top cover (4) is fixedly arranged on the body of the hydrogen storage tank exhaust container (3) through a connecting buckle (19).

9. The hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device according to claim 1, characterized in that: the water inlet pipe (1) is provided with a water inlet pump (8) and a water inlet valve (9); the water discharge pipe (2) is provided with a water discharge pump (10) and a water discharge valve (11).

10. The hydrogen gas recovery method of the hydrogen fuel cell automobile waste high-pressure hydrogen storage tank processing device according to any one of claims 1 to 9, characterized in that: the hydrogen recovery method comprises the following steps:

step 1, cleaning the surface of a hydrogen storage tank (22) to be disassembled;

step 2, opening a sealing top cover (4) above the exhaust container (3) of the hydrogen storage tank, clamping the smooth tail part of the tank body of the hydrogen storage tank (22) upwards on a tank body clamping device (18) on a turntable annular base (17), and then covering the sealing top cover (4) to ensure the sealing of the exhaust container (3) of the hydrogen storage tank;

step 3, opening a water inlet valve (9) arranged on the water inlet pipe (1) and an air inlet and exhaust valve (13) arranged on an air inlet and exhaust pipeline, pumping water in the circulating water tank (7) into the hydrogen storage tank exhaust container (3) by a water inlet pump (8) until the whole hydrogen storage tank exhaust container (3) is filled with water, and exhausting the air originally positioned in the hydrogen storage tank exhaust container (3) from the air inlet and exhaust pipeline (12) due to the injection of the water;

step 4, after all air in the exhaust container (3) of the hydrogen storage tank is exhausted, closing an air inlet and exhaust valve (13) and a water inlet valve (9), and opening a drain valve (11) arranged on a drain pipe (2);

step 5, adjusting a wall breaking drill mechanical arm (20) to enable a rotary wall breaking drill (21) to align to the smooth tank tail of the upward hydrogen storage tank (22) to perform tank body drilling wall breaking; at the moment, high-pressure hydrogen in the hydrogen storage tank (22) overflows from the hydrogen storage tank (22) and is gathered at the top of the hydrogen storage tank exhaust container (3), part of water originally filling the container is discharged from the water discharge pipe (2) into the circulating water tank (7) under the extrusion of the hydrogen overflowing from the tank body of the hydrogen storage tank exhaust container (3), and the hydrogen storage tank (22) after being drilled and broken is completely filled with water, so that the residual hydrogen in the hydrogen storage tank (22) is completely discharged;

step 6, opening a hydrogen exhaust valve (14) arranged on the soft hydrogen exhaust pipeline (5), opening a water inlet valve (9), closing a water discharge valve (11), pumping water in the circulating water tank (7) into the hydrogen storage tank exhaust container (3) by a water inlet pump (8) until the whole hydrogen storage tank exhaust container (3) is filled with water, and exhausting hydrogen accumulated above the hydrogen storage tank exhaust container (3) from the soft hydrogen exhaust pipeline (5) due to the injection of the water; in the hydrogen discharging process, a booster pump (16) on the hard hydrogen gas exhaust pipeline (6) keeps working, and low-pressure hydrogen is compressed into a hydrogen collecting tank (15) for storage;

and 7, after all hydrogen is removed, closing the hydrogen exhaust valve (14) and the water inlet valve (9), thereby completing the recovery of residual hydrogen in the hydrogen storage tank (22).

Technical Field

The invention belongs to the technical field of power systems of new energy vehicles such as hybrid power vehicles and the like. More particularly, the invention relates to a hydrogen fuel cell automobile waste high-pressure hydrogen storage tank treatment device; and a hydrogen recovery method applied to the treatment apparatus.

Background

The current hydrogen fuel cell vehicle develops rapidly, and in view of the fact that the high-pressure hydrogen storage tank is an indispensable energy container on the hydrogen fuel cell vehicle, after large-scale mass production in the future, along with the scrapping of the hydrogen fuel cell vehicle and the high-pressure hydrogen storage tank due to service life and various reasons, the recovery processing of the high-pressure hydrogen storage tank mounted on the vehicle also becomes more important.

The hydrogen in the high-pressure hydrogen storage tank is inflammable and explosive gas, the carbon fiber composite material adopted by the tank body cannot be naturally degraded, if the carbon fiber composite material is discarded at will after being scrapped, great potential safety hazard and environmental pollution are brought, and the problem of recycling the residual hydrogen in the high-pressure hydrogen storage tank is not processed by a corresponding technical scheme at home and abroad at present. The residual hydrogen can not be recovered, and the abandoned hydrogen storage tank has considerable hidden trouble.

Disclosure of Invention

The invention provides a processing device of a waste high-pressure hydrogen storage tank of a hydrogen fuel cell automobile, and aims to realize safe and efficient processing of the waste hydrogen storage tank.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention relates to a waste high-pressure hydrogen storage tank processing device of a hydrogen fuel cell automobile, which is used for recycling a hydrogen storage tank; the processing device is provided with a hydrogen collecting tank, a circulating water tank and a hydrogen storage tank exhaust container; the hydrogen storage tank is connected with the lower part of the exhaust container of the hydrogen storage tank; the circulating water tank is communicated with the exhaust container of the hydrogen storage tank through a water inlet pipe and a water outlet pipe; the hydrogen collecting tank is communicated with the upper part of the exhaust container of the hydrogen storage tank through a hydrogen exhaust pipeline.

The bottom inside the hydrogen storage tank exhaust container is provided with a turntable annular base, and the hydrogen storage tank is fixedly arranged on the turntable annular base through a tank body clamping device.

The inside rotatory broken wall drill bit that is used for carrying out the drilling to hydrogen storage tank that sets up of hydrogen storage tank exhaust container.

The rotary wall breaking drill bit is arranged in the exhaust container of the hydrogen storage tank through a wall breaking drill bit mechanical arm.

The exhaust container of the hydrogen storage tank is an exhaust container of the hydrogen storage tank.

The upper part of the exhaust container of the hydrogen storage tank is provided with a sealing top cover, and the sealing top cover is provided with an air inlet and exhaust pipeline.

And an air inlet and outlet valve is arranged on the air inlet and outlet pipeline.

The sealing top cover is fixedly arranged on the body of the hydrogen storage tank exhaust container through the connecting buckle.

The water inlet pipe is provided with a water inlet pump and a water inlet valve; and the drain pipe is provided with a drain water pump and a drain valve.

The hydrogen exhaust pipeline comprises a soft hydrogen exhaust pipeline and a hard hydrogen exhaust pipeline which are sequentially connected in the hydrogen exhaust direction; a hydrogen gas exhaust valve is arranged on the soft hydrogen gas exhaust pipeline; and a booster pump is arranged on the hard hydrogen exhaust pipeline.

In order to achieve the same purpose as the technical scheme, the invention also provides a hydrogen recovery method of the waste high-pressure hydrogen storage tank treatment device of the hydrogen fuel cell automobile, which comprises the following steps: the method comprises the following steps:

step 1, cleaning the surface of a hydrogen storage tank to be disassembled;

step 2, opening a sealing top cover above the exhaust container of the hydrogen storage tank, clamping the smooth tail part of the tank body of the hydrogen storage tank on a tank body clamping device on the annular base of the turntable upwards, and then covering the sealing top cover to ensure the sealing of the exhaust container of the hydrogen storage tank;

step 3, opening a water inlet valve arranged on the water inlet pipe and an air inlet and exhaust valve arranged on the air inlet and exhaust pipeline, pumping the water in the circulating water tank into the exhaust container of the hydrogen storage tank by a water inlet pump until the whole exhaust container of the hydrogen storage tank is filled with water, and exhausting the air originally positioned in the exhaust container of the hydrogen storage tank from the air inlet and exhaust pipeline due to the injection of the water;

step 4, after all air in the exhaust container of the hydrogen storage tank is removed, closing the air inlet and exhaust valve and the water inlet valve, and opening a drain valve arranged on a drain pipe;

step 5, adjusting a mechanical arm of the wall breaking drill bit to enable the rotary wall breaking drill bit to align to the smooth tank tail of the upward hydrogen storage tank to perform tank body drilling wall breaking on the hydrogen storage tank; at the moment, high-pressure hydrogen in the hydrogen storage tank is discharged from the hydrogen storage tank and gathered at the top of an exhaust container of the hydrogen storage tank, part of water originally filled in the container is discharged into the circulating water tank from the water discharge pipe under the extrusion of the hydrogen discharged from the exhaust container of the hydrogen storage tank, and the hydrogen storage tank after being drilled and broken is completely filled with water, so that the residual hydrogen in the hydrogen storage tank is completely discharged;

step 6, opening a hydrogen exhaust valve arranged on the soft hydrogen exhaust pipeline, opening a water inlet valve, closing a water discharge valve, pumping water in the circulating water tank into the hydrogen storage tank exhaust container by a water inlet pump until the whole hydrogen storage tank exhaust container is filled with water, and exhausting hydrogen accumulated above the hydrogen storage tank exhaust container from the soft hydrogen exhaust pipeline due to the injection of the water; in the hydrogen discharging process, a pressurizing air pump on the hard hydrogen gas exhaust pipeline keeps working, and low-pressure hydrogen is compressed into a hydrogen collecting tank for storage;

and 7, after all hydrogen is removed, closing a hydrogen exhaust valve and a water inlet valve, thereby completing the recovery of residual hydrogen in the hydrogen storage tank.

By adopting the technical scheme, the potential safety hazard and the environmental pollution problem caused by the waste of the tank body are effectively treated, so that hydrogen in various high-pressure tank bodies including the high-pressure hydrogen storage tank can be recycled to the greatest extent; the whole recycling treatment process has high automation degree, and the high-pressure hydrogen storage tank body can be reasonably recycled and treated after being discarded.

Drawings

The contents of the drawings and the references therein are briefly described as follows:

FIG. 1 is a schematic structural diagram of the present invention.

Labeled as:

1. the inlet tube, 2, the drain pipe, 3, hydrogen storage tank exhaust container, 4, seal cap, 5, soft hydrogen exhaust duct, 6, stereoplasm hydrogen exhaust duct, 7, circulation tank, 8, the intake water pump, 9, the inlet valve, 10, the drainage water pump, 11, the drainage valve, 12, the air intake and exhaust duct, 13, the air intake and exhaust valve, 14, the hydrogen exhaust valve, 15, the hydrogen collection tank, 16, the booster pump, 17, carousel annular base, 18, jar body clamping device, 19, the connector link, 20, broken wall drill bit arm, 21, rotatory broken wall drill bit, 22, the hydrogen storage tank.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.

The structure of the invention shown in fig. 1 is a novel processing device for a discarded high-pressure hydrogen storage tank of a hydrogen fuel cell automobile, which is used for recovering and processing the hydrogen storage tank 22 and hydrogen therein, thereby effectively processing the potential safety hazard and environmental pollution problems caused by the discarded tank body.

In order to solve the problems and overcome the defects of the prior art and realize the aim of safely and efficiently processing the scrapped hydrogen storage tank, the invention adopts the technical scheme that:

as shown in fig. 1, the waste high-pressure hydrogen storage tank processing device for a hydrogen fuel cell automobile of the invention is provided with a hydrogen collecting tank 15, a circulating water tank 7 and a hydrogen storage tank exhaust container 3; the hydrogen storage tank 22 is connected with the lower part of the hydrogen storage tank exhaust container 3; the circulating water tank 7 is communicated with the hydrogen storage tank exhaust container 3 through the water inlet pipe 1 and the water outlet pipe 2; the hydrogen collecting tank 15 is communicated with the upper part of the hydrogen storage tank exhaust container 3 through a hydrogen exhaust pipeline.

The water inlet pipe 1 and the water outlet pipe 2 are provided with the bottom of a hydrogen storage tank exhaust container 3. The water inlet pipe 1 and the water outlet pipe 2 are connected with the same circulating water tank 7.

The hydrogen recovery device for the high-pressure hydrogen storage tank body of the novel hydrogen fuel cell automobile effectively treats potential safety hazards and environmental pollution problems caused by the waste of the tank body, so that hydrogen in various high-pressure tank bodies including the high-pressure hydrogen storage tank can be recycled to the greatest extent; the automation degree of the whole process is high, and the safe, efficient and reasonable recovery, treatment and utilization of the high-pressure hydrogen storage tank body and the hydrogen in the high-pressure hydrogen storage tank body after abandonment are realized.

The bottom end inside the hydrogen storage tank exhaust container 3 is provided with a turntable annular base 17, and the hydrogen storage tank 22 is fixedly arranged on the turntable annular base 17 through a tank body clamping device 18.

The inside of the exhaust container 3 of the hydrogen storage tank is provided with a rotary wall breaking drill bit 21 for drilling the hydrogen storage tank 22.

The rotary wall breaking drill 21 is arranged in the hydrogen storage tank exhaust container 3 through a wall breaking drill mechanical arm 20.

One of the rotary wall breaking drill bits 21 is used for drilling and breaking the wall of the upper surface of the hydrogen storage tank 22 (namely the tail part of the hydrogen storage tank 22); the other rotary wall-breaking drill 21 performs wall breaking on the side of the hydrogen storage tank 22. Since the hydrogen storage tank 22 is rotated, the entire side surface of the hydrogen storage tank 22 can be wall-broken and drilled.

The exhaust container 3 of the hydrogen storage tank is an exhaust container of the hydrogen storage tank.

The upper part of the hydrogen storage tank exhaust container 3 is provided with a seal top cover 4, and the seal top cover 4 is provided with an air inlet and outlet pipeline 12.

And a sealing material is arranged between the contact surfaces of the sealing top cover 4 and the hydrogen storage tank exhaust container 3, so that sealing in the recycling process is ensured.

An air inlet and outlet valve 13 is arranged on the air inlet and outlet pipeline 12. An air intake and exhaust duct 12 is connected to the atmosphere, and an air intake and exhaust valve 13 is installed at the air intake and exhaust duct 12 and the seal cap 4.

The sealing top cover 4 is fixedly arranged on the body of the hydrogen storage tank exhaust container 3 through a connecting buckle 19.

The water inlet pipe 1 is provided with a water inlet pump 8 and a water inlet valve 9; the drain pipe 2 is provided with a drain water pump 10 and a drain valve 11. The power for water inlet and water outlet is provided by an inlet water pump 8 and a water outlet water pump 10 which are driven by electric power.

A soft hydrogen exhaust pipeline 5 and an air inlet and exhaust pipeline 12 are connected with a sealing top cover 4 at the upper part of the hydrogen storage tank exhaust container 3; the soft hydrogen exhaust pipe 5 is connected with a hard hydrogen exhaust pipe 6. Namely: the hydrogen exhaust pipeline comprises a soft hydrogen exhaust pipeline 5 and a hard hydrogen exhaust pipeline 6 which are sequentially connected in the hydrogen exhaust direction; a hydrogen gas exhaust valve 14 is arranged on the soft hydrogen gas exhaust pipeline 5; a booster pump 16 is arranged on the hard hydrogen exhaust pipeline 6.

The other end of the soft hydrogen exhaust pipeline 5 is connected with a hydrogen collecting tank 15. A booster pump 16 is arranged on the hard hydrogen exhaust pipeline 6 between the hydrogen exhaust valve 14 and the hydrogen collecting tank 15.

A hydrogen gas exhaust valve 14 is installed at the joint of the hydrogen storage tank exhaust container 3 and the soft hydrogen gas exhaust pipeline 5, and water is pumped into the hydrogen storage tank exhaust container 3 by the water inlet pump 8 driven by electric power to extrude and exhaust the upper gas.

The opening and closing of the water inlet valve 9, the water discharge valve 11, the air inlet and exhaust valve 13 and the hydrogen exhaust valve 14 are controlled by a single chip microcomputer.

In order to achieve the same purpose as the technical scheme, the invention also provides a hydrogen recovery method of the waste high-pressure hydrogen storage tank treatment device of the hydrogen fuel cell automobile, which comprises the following steps: the hydrogen recovery method comprises the following steps:

step 1, cleaning the surface of the hydrogen storage tank 22 to be disassembled;

step 2, opening a sealing top cover 4 above the exhaust container 3 of the hydrogen storage tank, clamping the smooth tail part of the tank body of the hydrogen storage tank 22 upwards on a tank body clamping device 18 on a turntable annular base 17, and then covering the sealing top cover 4 to ensure the sealing of the exhaust container 3 of the hydrogen storage tank;

step 3, opening a water inlet valve 9 arranged on the water inlet pipe 1 and an air inlet and exhaust valve 13 arranged on an air inlet and exhaust pipeline, pumping water in the circulating water tank 7 into the hydrogen storage tank exhaust container 3 by a water inlet pump 8 until the whole hydrogen storage tank exhaust container 3 is filled with water, and exhausting the air originally positioned in the hydrogen storage tank exhaust container 3 from the air inlet and exhaust pipeline 12 due to the injection of the water;

step 4, after all air in the exhaust container 3 of the hydrogen storage tank is exhausted, closing the air inlet and exhaust valve 13 and the water inlet valve 9, and opening the drain valve 11 arranged on the drain pipe 2;

step 5, adjusting a wall breaking drill mechanical arm 20 to enable a rotary wall breaking drill 21 to aim at the smooth tank tail of the upward hydrogen storage tank 22 to perform tank body drilling wall breaking; at this time, the high-pressure hydrogen in the hydrogen storage tank 22 will all emerge from the hydrogen storage tank 22 and gather at the top of the hydrogen storage tank exhaust container 3, and part of the water originally filled in the container will be discharged from the drain pipe 2 into the circulating water tank 7 under the extrusion of the hydrogen emerging from the tank body of the hydrogen storage tank exhaust container 3, and the hydrogen storage tank 22 after being drilled and broken will be fully filled with water, thereby ensuring that the residual hydrogen in the hydrogen storage tank 22 is completely discharged;

step 6, opening a hydrogen exhaust valve 14 arranged on the soft hydrogen exhaust pipeline 5, opening a water inlet valve 9, closing a water discharge valve 11, pumping the water in the circulating water tank 7 into the hydrogen storage tank exhaust container 3 by a water inlet pump 8 until the whole hydrogen storage tank exhaust container 3 is filled with water, and discharging the hydrogen accumulated above the hydrogen storage tank exhaust container 3 from the soft hydrogen exhaust pipeline 5 due to the injection of the water; in the process of hydrogen gas discharge, a booster pump 16 on the hard hydrogen gas exhaust pipeline 6 keeps working, and low-pressure hydrogen gas is compressed into a hydrogen gas collecting tank 15 for storage; on the other hand, the booster pump 16 also functions to pump out hydrogen gas from the upper part of the hydrogen tank exhaust container 3;

and 7, after all hydrogen is removed, closing the hydrogen exhaust valve 14 and the water inlet valve 9, thereby completing the recovery of the residual hydrogen in the hydrogen storage tank 22.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.