CN215644587U

CN215644587U - Hydrogenation filling station

Info

Publication number: CN215644587U
Application number: CN202121776242.1U
Authority: CN
Inventors: 仝光耀; 殷园
Original assignee: Shaoxing Xuesen Energy Technology Co ltd
Current assignee: Shaoxing Xuesen Energy Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-25
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a hydrogenation gas station, which comprises a working area, a fuel cell power generation system, a hydrogen supply system and a heating system, wherein the working area is provided with hydrogenation equipment and refueling equipment; the fuel cell power generation system converts chemical energy into electric energy and heat energy, and when the fuel cell power generation system is damaged by a power grid system or in other emergency situations, the system can be used as a standby power supply to ensure the normal operation of a hydrogenation gas station; meanwhile, when the system is used as daily power generation equipment, the generated heat energy can be effectively utilized for heating a working area in winter through a heating system, and when the cost of hydrogen is lower than 20 yuan/kg, the system has obvious economic benefit; in the whole working process of the hydrogenation gas station, zero emission is realized, and the energy-saving and environment-friendly effects are better.

Description

Hydrogenation filling station

Technical Field

The utility model relates to the technical field of new energy equipment, in particular to a hydrogenation gas station.

Background

In recent years, with the popularization of various new energy automobiles in China, more and more pure electric automobiles, fuel cell automobiles and hybrid electric automobiles begin to replace traditional fuel oil automobiles in different industries. The carbon emission can be effectively reduced through the popularization of new energy automobiles, the green low-carbon transformation of the transportation industry is realized, and the aim of carbon neutralization is fulfilled early.

In the existing market, a large number of gas stations and a small number of hydrogen stations are established all over the country for facilitating the travel of various types of automobiles. However, the functions of the conventional gas station and the conventional hydrogen filling station are single, and energy can be supplemented only for one vehicle type; in addition, because the fuel cell automobile is not used in a large scale, the number of the hydrogen stations is relatively small, and the operation cost of the hydrogen stations is overhigh; although a related technical scheme related to a hydrogenation gas station is proposed, for example, chinese patent No. cn201821781152.x discloses a novel hydrogenation gas station, which includes a hydrogen tank, a hydrogen discharge pump, a hydrogenation oil engine, a hydrogen oil hydrogen production device, a compression device, a gas filling machine, etc., the scheme proposes that a power source of the hydrogenation gas station completely depends on a power grid system, when an emergency situation is short of power, the hydrogenation gas station is easily trapped in a paralyzed state, and cannot timely and effectively cope with the emergency situation, so that it is difficult to ensure normal operation of the hydrogenation gas station.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a hydrogenation gas station.A fuel cell power generation system is incorporated into a thermoelectric system of the hydrogenation gas station, and the fuel cell power generation system can be used as a standby power supply in an emergency and can also be used for daily power generation; on the other hand, the fuel cell power generation system of the hydrogen refueling station can also be used as a heat source to provide heat energy for a heating system in a low-temperature environment; meanwhile, the hydrogenation gas station has better energy-saving and environment-friendly effects and obvious economic benefits.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a hydrogenation filling station, is including the work area that is provided with hydrogenation equipment and filling plant, fuel cell power generation system, with fuel cell power generation system and hydrogenation equipment link to each other and provide the hydrogen supply system, with fuel cell power generation system link to each other and give the heating system of work area heating, fuel cell power generation system's power output end passes through the ware of merging networks and links to each other with the electric wire netting, the electric wire netting links to each other and supplies power with hydrogenation equipment and filling plant.

Preferably, the fuel cell power generation system comprises a fuel cell stack, an air supply system connected with the fuel cell stack and providing air, and a thermal management system connected with the fuel cell stack, wherein the thermal management system is connected with a heating system, the hydrogen supply system is connected with a hydrogen inlet of the fuel cell stack, a hydrogen outlet of the fuel cell stack is connected with a steam-water separator through a pipeline, and the steam-water separator is connected with a hydrogen discharge valve through a pipeline.

Preferably, the hydrogen supply system comprises a hydrogen storage device and a pressure reducing valve which are connected through pipelines, and the pressure reducing valve is respectively connected with a hydrogen inlet of the fuel cell stack and the hydrogenation equipment through pipelines.

Preferably, a hydrogen outlet of the steam-water separator is connected with a hydrogen circulating device through a pipeline, and the hydrogen circulating device is connected with a pipeline between the pressure reducing valve and the fuel cell stack through a pipeline.

Preferably, the air supply system comprises an air filter, an air supercharging device and a humidifier which are sequentially connected through pipelines, an air output port of the humidifier is connected with an air input port of the fuel cell stack through a pipeline, an exhaust gas input port of the humidifier is connected with an exhaust gas output port of the fuel cell stack through a pipeline, and an exhaust gas outlet of the humidifier is connected with a back pressure valve through a pipeline.

Preferably, the heat management system comprises a water pump connected with a coolant outlet of the fuel cell stack through a pipeline, a three-way valve connected with the water pump through a pipeline, and a particle filter connected with the three-way valve through a pipeline, wherein the particle filter is connected with a coolant inlet of the fuel cell stack through a pipeline, a heat exchanger is connected in parallel between the three-way valve and the particle filter, a first input end of the heat exchanger is connected with the three-way valve through a pipeline, and a first output end of the heat exchanger is connected with the particle filter through a pipeline.

Preferably, the heating system comprises a cooling fin, and two ends of the cooling fin are respectively connected with the second output end and the second input end of the heat exchanger through pipelines to form a cooling loop with the heat exchanger.

Preferably, a deionization device is connected in parallel between a cooling liquid outlet and a cooling liquid inlet of the fuel cell stack through a pipeline, and an expansion water tank is connected on the pipeline between the cooling liquid outlet of the fuel cell stack and the water pump.

Preferably, the power output end of the fuel cell stack is connected with a power grid through a grid-connected device.

The utility model has the beneficial effects that: the utility model relates to a hydrogenation gas station, which comprises a working area, a fuel cell power generation system, a hydrogen supply system and a heating system, wherein the working area is provided with hydrogenation equipment and refueling equipment; the fuel cell power generation system converts chemical energy into electric energy and heat energy, and when the fuel cell power generation system is damaged by a power grid system or in other emergency situations, the system can be used as a standby power supply to ensure the normal operation of a hydrogenation gas station; meanwhile, when the system is used as daily power generation equipment, the generated heat energy can be effectively utilized for heating a working area in winter through a heating system, and when the cost of hydrogen is lower than 20 yuan/kg, the system has obvious economic benefit; in the whole working process of the hydrogenation gas station, zero emission is realized, and the energy-saving and environment-friendly effects are better.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a block diagram of a fuel cell power generation system.

Detailed Description

In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and embodiments.

A hydrogen filling station as shown in fig. 1-2, which comprises a working area 1 provided with a hydrogenation device 11 and a refueling device 12, a fuel cell power generation system 2, a hydrogen supply system 3 connected with the fuel cell power generation system 2 and the hydrogenation device 11 and supplying hydrogen, and a heating system 4 connected with the fuel cell power generation system 2 and heating the working area 1, wherein the power output end of the fuel cell power generation system 2 is connected with a power grid 5 through a grid combiner 21, and the power grid 5 is connected with the hydrogenation device 11 and the refueling device 12 and supplies power. The working area 1 is provided with a hydrogenation device 11 and an oiling device 12, and vehicles with different requirements stop at the corresponding equipment areas to supplement energy.

The fuel cell power generation system 2 comprises a fuel cell stack 22, an air supply system 7 connected with the fuel cell stack 22 and providing air, and a thermal management system 8 connected with the fuel cell stack 22, wherein the thermal management system 8 is connected with a heating system 4, the hydrogen supply system 3 is connected with a hydrogen inlet of the fuel cell stack 22, a hydrogen outlet of the fuel cell stack 22 is connected with a steam-water separator 23 through a pipeline, and the steam-water separator 23 is connected with a hydrogen discharge valve 24 through a pipeline. The hydrogen supply system 3 comprises a hydrogen storage device 31 and a pressure reducing valve 32 which are connected through pipelines, and the pressure reducing valve 32 is respectively connected with a hydrogen inlet of the fuel cell stack 22 and the hydrogenation equipment 11 through pipelines. The hydrogen gas in the hydrogen storage device 31 can be divided into two paths by the pressure reducing valve 32, wherein one path is input into the fuel cell stack 22 as the energy source of the fuel cell, and the other path is input into the hydrogenation device 11 as the hydrogen energy supplied to the automobile. The refuelling device 12 may be connected to the storage tank by a pipeline. Further, a pressure sensor and a temperature sensor can be installed in both the hydrogenation gun of the hydrogenation equipment 11 and the refueling gun of the refueling equipment 12 to monitor the safety states of the hydrogenation equipment 11 and the refueling equipment 12 in real time, and if an abnormal condition occurs, an alarm starts to give an early warning, and a working area stops working. The power output end of the fuel cell stack 22 is connected with the power grid 5 through the grid-connected device 21, and when the power grid system has a fault, the fuel cell power generation system 2 can be used as a standby power supply and can also be used as power generation equipment in daily life.

The hydrogen outlet of the steam-water separator 23 is connected with a hydrogen circulating device 6 through a pipeline, and the hydrogen circulating device 6 is connected with a pipeline between the pressure reducing valve 32 and the fuel cell stack 22 through a pipeline. The steam-water separator 23 separates water and hydrogen gas after the reaction of the fuel cell stack 22, the separated hydrogen gas is delivered back to the hydrogen inlet of the fuel cell stack 22 through the hydrogen circulation device 6 to be used as the energy source of the fuel cell stack 22, and the excessive hydrogen gas can be discharged through the hydrogen discharge valve 24.

The air supply system 7 comprises an air filter 71, an air supercharging device 72 and a humidifier 73 which are connected in sequence through pipelines, wherein an air output port of the humidifier 73 is connected with an air input port of the fuel cell stack 22 through a pipeline, an exhaust gas input port of the humidifier 73 is connected with an exhaust gas output port of the fuel cell stack 22 through a pipeline, and an exhaust gas outlet port of the humidifier 73 is connected with a stop valve 74 through a pipeline. The air cleaner 71 filters air to prevent dust and foreign matter from entering the fuel cell stack 22. The humidifier 73 has an effect of humidifying air entering the stack to participate in the electrochemical reaction, so as to ensure that the proton exchange membrane is reasonably wetted, reduce the proton conduction resistance and reduce the internal resistance.

The thermal management system 8 includes a water pump 81 connected to a coolant outlet of the fuel cell stack 22 through a pipe, a three-way valve 82 connected to the water pump 81 through a pipe, and a particulate filter 83 connected to the three-way valve 82 through a pipe, the particulate filter 83 being connected to a coolant inlet of the fuel cell stack 22 through a pipe. A heat exchanger 84 is connected in parallel between the three-way valve 82 and the particulate filter 83, a first input end of the heat exchanger 84 is connected with the three-way valve 82 through a pipeline, and a first output end of the heat exchanger 84 is connected with the particulate filter 83 through a pipeline. The heating system 4 comprises a cooling fin 41, and two ends of the cooling fin 41 are respectively connected with the second output end and the second input end of the heat exchanger 84 through pipelines and form a cooling loop with the heat exchanger 84. The thermal management system 8 is divided into two modes, i.e., a large circulation mode and a small circulation mode, when the temperature of the fuel cell power generation system 2 is relatively low, the three-way valve 82 is closed, and the fuel cell power generation system enters the small circulation operation mode, i.e., the coolant flows out from the coolant outlet of the fuel cell stack 22, passes through the water pump 81, the three-way valve 82 and the filter 83, and then flows into the coolant inlet of the fuel cell stack 22. When the temperature of the fuel cell system is high, the three-way valve is opened, and the fuel cell system enters a large circulation operation mode, that is, after the coolant flows out from the coolant outlet of the fuel cell stack 22, part or all of the coolant flows through the heat exchanger 84 to exchange heat, and then flows into the coolant inlet of the fuel cell stack 22 again through the particulate filter 83. The heating system 4 has a heat dissipation pipeline arranged in the working area 1 or other places of the gas station, the cooling liquid in the heat dissipation pipeline is powered by a water pump and then flows through the heat exchanger 84 for heat exchange, and then the flowing area is heated for heating, and the waste heat generated by the operation of the fuel cell power generation system 2 is fully utilized. Further, the heating system 4 is selectively turned on or off according to the heating demand of the hydrogen refueling station.

Preferably, the deionization device 9 is connected in parallel between the coolant outlet and the coolant inlet of the fuel cell stack 22 through a pipeline, and the expansion tank 91 is connected to the pipeline between the coolant outlet of the fuel cell stack 22 and the water pump 81. The deionization device 9 is applied to a cooling system of the fuel cell power generation system 2, and is mainly used for adsorbing conductive ions dissolved in cooling liquid and ensuring that the conductivity of the cooling liquid is in a proper range. The expansion tank 91 has the function of compensating volume change of the cooling liquid in the stack cooling system caused by temperature change, and preventing the cooling liquid of the cooling system from being insufficient and overflowing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A hydrogen refueling station characterized by: the hydrogen supplying system comprises a working area (1) provided with hydrogenation equipment (11) and refueling equipment (12), a fuel cell power generation system (2), a hydrogen supplying system (3) connected with the fuel cell power generation system (2) and the hydrogenation equipment (11) and providing hydrogen, and a heating system (4) connected with the fuel cell power generation system (2) and supplying heat to the working area (1), wherein the power output end of the fuel cell power generation system (2) is connected with a power grid (5) through a grid connector (21), and the power grid (5) is connected with the hydrogenation equipment (11) and the refueling equipment (12) and supplies power.

2. A hydrogenated gasoline station as in claim 1, wherein: the fuel cell power generation system (2) comprises a fuel cell stack (22), an air supply system (7) which is connected with the fuel cell stack (22) and provides air, and a thermal management system (8) which is connected with the fuel cell stack (22), wherein the thermal management system (8) is connected with a heating system (4), the hydrogen supply system (3) is connected with a hydrogen inlet of the fuel cell stack (22), a hydrogen outlet of the fuel cell stack (22) is connected with a steam-water separator (23) through a pipeline, and the steam-water separator (23) is connected with a hydrogen discharge valve (24) through a pipeline.

3. A hydrogenated gasoline station as claimed in claim 2, characterised in that: the hydrogen supply system (3) comprises a hydrogen storage device (31) and a pressure reducing valve (32) which are connected through pipelines, and the pressure reducing valve (32) is respectively connected with a hydrogen inlet of the fuel cell stack (22) and the hydrogenation equipment (11) through pipelines.

4. A hydrogenated gasoline station according to claim 3, characterized in that: and a hydrogen outlet of the steam-water separator (23) is connected with a hydrogen circulating device (6) through a pipeline, and the hydrogen circulating device (6) is connected with a pipeline between the pressure reducing valve (32) and the fuel cell stack (22) through a pipeline.

5. A hydrogenated gasoline station as claimed in claim 2, characterised in that: the air supply system (7) comprises an air filter (71), an air supercharging device (72) and a humidifier (73) which are sequentially connected through pipelines, an air outlet of the humidifier (73) is connected with an air inlet of the fuel cell stack (22) through a pipeline, an exhaust gas inlet of the humidifier (73) is connected with an exhaust gas outlet of the fuel cell stack (22) through a pipeline, and an exhaust gas outlet of the humidifier (73) is connected with a back pressure valve (74) through a pipeline.

6. A hydrogenated gasoline station as claimed in claim 2, characterised in that: the heat management system (8) comprises a water pump (81) connected with a cooling liquid outlet of the fuel cell stack (22) through a pipeline, a three-way valve (82) connected with the water pump (81) through a pipeline, and a particle filter (83) connected with the three-way valve (82) through a pipeline, wherein the particle filter (83) is connected with a cooling liquid inlet of the fuel cell stack (22) through a pipeline, a heat exchanger (84) is further connected in parallel between the three-way valve (82) and the particle filter (83), a first input end of the heat exchanger (84) is connected with the three-way valve (82) through a pipeline, and a first output end of the heat exchanger (84) is connected with the particle filter (83) through a pipeline.

7. A hydrogenated gasoline station as in claim 6, wherein: the heating system (4) comprises a radiating fin (41), and two ends of the radiating fin (41) are respectively connected with a second output end and a second input end of the heat exchanger (84) through pipelines to form a radiating loop with the heat exchanger (84).

8. A hydrogenated gasoline station as in claim 6, wherein: a deionization device (9) is connected in parallel between a cooling liquid outlet and a cooling liquid inlet of the fuel cell stack (22) through a pipeline, and an expansion water tank (91) is connected on the pipeline between the cooling liquid outlet of the fuel cell stack (22) and the water pump (81).

9. A hydrogenated gasoline station as claimed in claim 2, characterised in that: the power output end of the fuel cell stack (22) is connected with the power grid (5) through a grid combiner (21).