CN219623817U

CN219623817U - Hydrogen discharge column system

Info

Publication number: CN219623817U
Application number: CN202321259702.2U
Authority: CN
Inventors: 宋若鸿; 鲁红达; 王杰; 何晨晨; 袁现化; 常赟涛; 翟钢鞭; 张明磊
Original assignee: Zhengzhou Langrun Intelligent Equipment Co ltd
Current assignee: Zhengzhou Langrun Intelligent Equipment Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-01
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a hydrogen unloading column system, in particular to the field of hydrogen unloading of compressed hydrogen of automobiles, which comprises a tank wagon port and a first hydrogen output port; second hydrogen delivery outlet, the technology is put scattered mouthful, nitrogen gas sweeps, nitrogen gas transfer line, unload hydrogen post sample connection and hose, tank wagon port connection has the hose, hose connection has the snap valve, snap valve one side is connected with the curb plate needle valve, install first manometer on the pipeline of curb plate needle valve one side, the pipeline connection between curb plate needle valve and the first manometer has the bleeder line, install the sample valve on the bleeder line, sample valve one side is connected with unloading hydrogen post sample connection, first manometer one side is connected with the second ball valve, install filter assembly on the pipeline of second ball valve one side, the flowmeter is installed to filter assembly one side. The utility model can prevent gas leakage, can perform stable gas supply, has the whole body in the same space, has less work load of the field device, is convenient to operate and maintain, and is safe and reliable to use.

Description

Hydrogen discharge column system

Technical Field

The utility model relates to the technical field of hydrogen unloading of automobile compressed hydrogen, in particular to a hydrogen unloading column system.

Background

Currently, the tremendous environmental pressure and the gradually depleted fossil fuel tradition energy source have led to an active search for new clean energy sources throughout the world. Hydrogen energy and hydrogen fuel cells are receiving increasing attention from all countries of the world due to their good environmental protection, high energy conversion efficiency and certain economy. To promote development, the perfection of the hydrogen energy infrastructure is essential. The construction of the hydrogen energy automobile is in the development stage, and the hydrogen energy automobile hydrogen station is an effective measure for controlling the emission pollution of motor vehicles and improving the atmospheric environment. The hydrogen adding station is an important guarantee for supplying hydrogen energy, and is an essential foundation for supporting the development of the fuel cell automobile industry, and the hydrogen adding station is used for fuel cell automobiles like a gas station is used for traditional fuel automobiles.

However, the existing hydrogen unloading system has large field device workload, is inconvenient to operate and maintain, and has certain potential safety hazards, so a hydrogen unloading column system is proposed.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem of overlarge singleness in the prior art and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a hydrogen discharge column system to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the hydrogen unloading column system comprises a tank wagon port and a first hydrogen output port; the hydrogen gas discharging device comprises a second hydrogen gas output port, a process scattering port, a nitrogen purging port, a nitrogen conveying pipeline, a hydrogen discharging column sampling port and a hose, wherein the tank wagon port is connected with the hose, the hose is connected with a snap-off valve, one side of the snap-off valve is connected with a side plate needle valve, a first pressure gauge is installed on a pipeline on one side of the side plate needle valve, a branch pipeline is connected with the side plate needle valve and the first pressure gauge, a sampling valve is installed on the branch pipeline, one side of the sampling valve is connected with the hydrogen discharging column sampling port, one side of the first pressure gauge is connected with a second ball valve, a filtering component is installed on the pipeline on one side of the second ball valve, one side of the filtering component is provided with a flow transducer, a second one-way valve is installed on the pipeline on one side of the flow meter, one side of the second one-way valve is connected with a fourth ball valve, a first pneumatic control valve and a first bypass ball valve are connected on one side of the pipeline in parallel, a second pneumatic control valve and a second bypass ball valve are connected on the other pipeline in parallel, the first pneumatic control valve and the second pneumatic control valve are connected with the second pneumatic control valve together, and the first pneumatic control valve is connected with the first hydrogen gas output port and the first hydrogen gas output port.

Preferably, the first ball valve is installed on the pipeline that the nitrogen purging was connected, and first ball valve one side is connected with the filter, and filter one side is connected with two pipelines, and a pipe connection is between first manometer and second ball valve, installs first check valve on this pipeline simultaneously, and another pipe connection has the third ball valve, and third ball valve one side is connected with the second manometer, and second manometer one side is connected with pneumatic control valve, and pneumatic control valve one side nitrogen gas delivery line connects.

Preferably, a pipeline connected with the process diffusing port is connected in parallel between the filtering component and the flowmeter, a side plate ball valve is installed on the pipeline, one end of the side plate ball valve is connected with the filtering component, the other end of the side plate ball valve is connected with a safety valve, the safety valve is connected with the process diffusing port, the other end of the process diffusing port is connected with a first pneumatic control valve, and the first pneumatic control valve is connected with the flowmeter.

Preferably, the first pressure gauge is connected with a needle valve and a pressure transmitter, and one end of the needle valve is connected with a side plate needle valve.

The utility model has the technical effects and advantages that:

the system is designed and optimized to have a valve relation of an integral pipeline, two modes of filling after hydrogen passes through a compressor and directly filling hydrogen can be realized, nitrogen is used as instrument wind and a concentrated purging function and a driving air source are arranged in the valve, an independent nitrogen injection port is arranged to intensively purge an integral station, monomer equipment purging can also be independently completed, integral process replacement efficiency is improved through linkage of the valve of the serial pipeline, the rear end of an air discharging hose of the system is provided with primary filtration, national filtration standard requirements are met, a mass flowmeter for analyzing and calculating hydrogen quality is arranged on a designed air discharging main pipeline, front-rear end flow pressure difference can be calculated according to an actual flowing pipeline air source, gas carrying requirements are regulated and controlled through a computer set program, stable and safe gas supply is realized, an electric control system and pipelines are compressed to the same space through an integral space layout, and the whole electric control box in the system is explosion-proof and has safety when the appearance layout is exquisite.

Drawings

FIG. 1 is a flow chart of the overall process system of the present utility model.

FIG. 2 is a schematic diagram of the nitrogen outlet connection flow scheme of the present utility model.

The reference numerals are: A. a tank wagon port; b1, a first hydrogen output port; b2, a second hydrogen output port; E. a process dispersion port; D. nitrogen purging; F. a nitrogen gas delivery line; C. a hydrogen unloading column sampling port; 1. a hose; 2. a snap-off valve; 3. a first pressure gauge; 4. a pressure transmitter; 5. a needle valve; 6. a sampling valve; 7. a first ball valve; 8. a filter; 9. a first one-way valve; 10. a second ball valve; 11. a filter assembly; 12. a third ball valve; 13. a second pressure gauge; 14. a side plate ball valve; 15. a safety valve; 16. a first pneumatic control valve; 17. a flow transmitter; 18. a flow meter; 19. a second one-way valve; 20. a fourth ball valve; 21. a first pneumatic control valve; 23. a second pneumatic control valve; 22. a first bypass ball valve; 24. a second bypass ball valve; 25. and a pneumatic control valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The hydrogen unloading column system shown in the accompanying figures 1-2 comprises a tank wagon port A and a first hydrogen output port B1; the hydrogen gas pressure meter comprises a second hydrogen gas output port B2, a process scattering port E, a nitrogen purging port D, a nitrogen conveying pipeline F, a hydrogen discharging column sampling port C and a hose 1, wherein the port A of the tank wagon is connected with the hose 1, the hose 1 is connected with a snap valve 2, one side of the snap valve 2 is connected with a side plate needle valve, a first pressure gauge 3 is installed on a pipeline on one side of the side plate needle valve, a branch pipeline is connected with the pipeline between the side plate needle valve and the first pressure gauge 3, a sampling valve 6 is installed on the branch pipeline, one side of the sampling valve 6 is connected with the hydrogen discharging column sampling port C, one side of the first pressure gauge 3 is connected with a second ball valve 10, a filter assembly 11 is installed on a pipeline on one side of the second ball valve 10, a flowmeter 18 is connected with a flow transmitter 17, a second one-way valve 19 is installed on a pipeline on one side of the flowmeter 18, one side of the second one-way valve 19 is connected with a fourth ball valve 20, a first pneumatic control valve 21 and a first bypass ball valve 22 are connected on one side of the pipeline, a second pneumatic control valve 23 and a second pneumatic control valve 23 are connected on the other pipeline in parallel, a first pneumatic control valve 23 and a second pneumatic control valve 23 and a first pneumatic control valve 23 are connected with the first pneumatic control valve 2B and the first pneumatic control valve 2.

The nitrogen purging D is connected with a pipeline on which a first ball valve 7 is arranged, one side of the first ball valve 7 is connected with a filter 8, one side of the filter 8 is connected with two pipelines, one pipeline is connected between the first pressure gauge 3 and the second ball valve 10, meanwhile, the pipeline is provided with a first one-way valve 9, the other pipeline is connected with a third ball valve 12, one side of the third ball valve 12 is connected with a second pressure gauge 13, one side of the second pressure gauge 13 is connected with a pneumatic control valve 25, and one side of the pneumatic control valve 25 is connected with a nitrogen conveying pipeline F.

A pipeline connected with a process dispersion port E is connected in parallel between the filter assembly 11 and the flowmeter 18, a side plate ball valve 14 is arranged on the pipeline, one end of the side plate ball valve 14 is connected with the filter assembly 11, the other end of the side plate ball valve is connected with a safety valve 15, the safety valve 15 is connected with the process dispersion port E, the other end of the process dispersion port E is connected with a first pneumatic control valve 16, and the first pneumatic control valve 16 is connected with the flowmeter 18.

The first pressure gauge 3 is connected with a needle valve 5 and a pressure transmitter 4, and one end of the needle valve 5 is connected with a side plate needle valve.

When the hydrogen unloading column starts to work, nitrogen is firstly introduced to purge and replace air and impurities in a system pipeline, the air and impurities are discharged through a discharge pipe, when the hydrogen unloading column is in a normal working state, the pressure during work and the volume of hydrogen unloading can be known by a remote control system, the flow rate during the valve adjustment work is controlled according to an electric control signal, and a stretch-break valve 2 device is arranged at the air inlet of the hydrogen unloading column, so that the gas can be prevented from leaking, and the safety of personnel and equipment is better ensured.

The hydrogen sequentially passes through a main valve hose 1, a snap valve 2, a first pressure gauge 3, a pressure transmitter 4, a needle valve 5, a sampling valve 6, a first ball valve 7, a filter 8, a first one-way valve 9, a second ball valve 10, a filter assembly 11, a third ball valve 12, a second pressure gauge 13, a side plate ball valve 14, a safety valve 15, a first pneumatic control valve 16, a flow transmitter 17, a flowmeter 18, a second one-way valve 19, a fourth ball valve 20, a first pneumatic control valve 21, a second pneumatic control valve 23, a first bypass ball valve 22, a second bypass ball valve 24 and a pneumatic control valve 25 from a tank car port A, wherein during the operation process, the equipment firstly starts a nitrogen ball valve, namely the first ball valve 7, and the nitrogen is injected into a hydrogenation main pipeline by a pipeline, the hydrogen main pipeline can be replaced by aiming at the hydrogen main pipeline, a first hydrogen main pipeline B1, a second hydrogen output port B2 is provided with a direct-filling gas source by a path connecting with a hydrogenation machine, the direct-filling gas source is supplied to a compressor through a path of a hydrogenation compressor, and then the hydrogen is delivered to a compressor through the output port. The pipeline process is designed to solve the problems of safety problem of process control and low hydrogen unloading efficiency in the process of unloading hydrogen, and the direct filling pipeline gas and the gas entering the compressor can realize comprehensive transportation according to the gas consumption running scene of the hydrogenation station, so that frequent work of the compressor is reduced, equipment energy consumption and fault loss can be better saved, equipment use is prolonged, and in addition, the hydrogen transportation efficiency is improved when hydrogen is filled into the rear-end hydrogenation machine in a double gun manner;

the hydrogen is connected with the prying vehicle through a hydrogen hose of a tearing port A, the front end is provided with a branch pipe nitrogen purging D for replacement, a process releasing port E and a hydrogen discharging column sampling port C, the process control system is a system which is independently developed, a communication interface is reserved, a monitoring system is arranged, the hydrogen discharging process can be detected, an operator, vehicle information and equipment running condition are provided with an emergency cutting function, the automatic calculation with a remote transmission function, the automatic stop and the power-on protection system are realized, the continuous display function is realized after electric leakage, the nitrogen purging D interface is provided with a nitrogen pipeline, the hydrogen discharging column sampling port and the process releasing port E, the releasing port is provided with a safety overflow valve, the safety overflow valve is passively opened in the hydrogen conveying process when the pipeline hydrogen pressure value exceeds the set pressure of 43.2MP, the gas is rapidly released, the safety is improved, the equipment process has compact connection and is supported in the whole integrated prying, and the base is fixed by adopting a foundation bolt, so that the site installation is facilitated;

the system is designed and optimized to have a valve element relation of an integral pipeline, two modes of filling after hydrogen passes through a compressor and directly filling hydrogen can be realized, nitrogen is used as instrument wind and a concentrated purging function and a driving air source are arranged in the valve element, an independent nitrogen injection port is arranged to intensively purge an integral station, monomer equipment purging can also be independently completed, the integral process replacement efficiency is improved through linkage of the valve elements of the pipeline in series, a mass flowmeter 18 for analyzing and calculating the hydrogen quality is arranged on a gas discharging main pipeline, the flow pressure difference of the front end and the rear end can be calculated according to the actual flow through the air source of the pipeline, the gas carrying requirement is regulated and controlled through a computer setting program, stable and safe gas supply is realized, the system adopts a through-integrated space layout, an electric control system and the pipeline are compressed to the same space, and the whole electric control box in the system is explosion-proof, and has safety when the appearance layout is exquisite.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The hydrogen unloading column system comprises a tank wagon port (A) and a first hydrogen output port (B1); second hydrogen delivery outlet (B2), technology are put and are scattered mouthful (E), nitrogen gas sweeps (D), nitrogen gas transfer line (F), unload hydrogen post sample connection (C) and hose (1), its characterized in that: the utility model discloses a pneumatic control system for a tank wagon port (A), be connected with hose (1), hose (1) are connected with snap valve (2), be connected with curb plate needle valve on one side of snap valve (2), install first manometer (3) on the pipeline of curb plate needle valve one side, the pipeline between curb plate needle valve and first manometer (3) is connected with branch pipeline, install sample valve (6) on the branch pipeline, sample valve (6) one side is connected with hydrogen column sample port (C) that unloads, first manometer (3) one side is connected with second ball valve (10), install filter module (11) on the pipeline of second ball valve (10) one side, install flowmeter (18) on one side of filter module (11), flowmeter (18) are connected with flow transmitter (17), install second check valve (19) on the pipeline of flowmeter (18) one side, second check valve (19) one side is connected with fourth ball valve (20), fourth ball valve (20) one side is connected with two pipelines, and one pipeline is connected with first pneumatic control valve (21) and second pneumatic control valve (23) in parallel, first pneumatic control valve (23) and second pneumatic control valve (23) are connected with first pneumatic control valve (23) in parallel, and the first pneumatic control valve (21) is connected with the first hydrogen output port (B1), and the second pneumatic control valve (23) is connected with the second hydrogen output port (B2).

2. The hydrogen column system according to claim 1, wherein: install first ball valve (7) on the pipeline that nitrogen purging (D) is connected, first ball valve (7) one side is connected with filter (8), filter (8) one side is connected with two pipelines, and a pipe connection is between first manometer (3) and second ball valve (10), installs first check valve (9) on this pipeline simultaneously, and another pipe connection has third ball valve (12), third ball valve (12) one side is connected with second manometer (13), second manometer (13) one side is connected with pneumatic control valve (25), pneumatic control valve (25) one side nitrogen gas conveying pipeline (F) are connected.

3. The hydrogen column system according to claim 1, wherein: the utility model discloses a pipeline that filter subassembly (11) and flowmeter (18) were connected in parallel has and process to spread between mouthful (E) is connected, and installs curb plate ball valve (14) on the pipeline, curb plate ball valve (14) one end is connected with filter subassembly (11), and the other end is connected with relief valve (15), relief valve (15) are connected with process and spread mouthful (E), process is spread mouthful (E) other end and is connected with first pneumatic control valve (16), first pneumatic control valve (16) are connected with flowmeter (18).

4. The hydrogen column system according to claim 1, wherein: the first pressure gauge (3) is connected with a needle valve (5) and a pressure transmitter (4), and one end of the needle valve (5) is connected with a side plate needle valve.