Liquid hydrogen storage skid-mounted station with cooling, heating, charging and hydrogenation functions

Abstract

The utility model relates to the technical field of liquid hydrogen storage, in particular to a liquid hydrogen storage skid-mounted station with cooling, heating, charging and hydrogenation functions. Comprising a liquid hydrogen storage tank, a gas outlet of a liquid hydrogen booster pump is connected with a gas inlet of a vaporizer through a pipeline, a gas outlet of the vaporizer is connected with a high-pressure buffer tank, and the high-pressure buffer tank is connected with a hydrogen adding machine through a pipeline; the other branch at the bottom of the liquid hydrogen storage tank is connected with an inlet of the heat exchange and cold supply assembly through a pipeline, an outlet of the heat exchange and cold supply assembly is connected with a gas inlet of the hydrogen booster pump through a pipeline, the gas inlet of the hydrogen booster pump is connected with the top of the liquid hydrogen storage tank, and the buffer tank is connected with the hydrogen fuel cell through a pipeline. The hydrogen fuel cell is connected with the charging pile, and a heat source generated by the hydrogen fuel cell is connected with the heating assembly. Various functions of cooling, heating, charging, hydrogenation and the like are integrated, energy and space of the hydrogenation skid-mounted station are fully utilized, and hydrogen flash steam at the top of the liquid hydrogen storage tank is also fully utilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid hydrogen storage hydrogen technology field especially, it relates to a kind of liquid hydrogen storage hydrogen pry installation station with cooling, heating, charging and hydrogenation function. BACKGROUND

[0002] At present, in hydrogen pry installation station, the gas source of hydrogenation machine comes from liquid hydrogen storage tank, and its specific conversion process is that liquid hydrogen in liquid hydrogen storage tank first enters liquid hydrogen bottle, carries out pressure boost to liquid hydrogen by liquid hydrogen booster pump, then enters vaporizer and is gasified, and finally enters hydrogenation machine to carry out hydrogenation operation to vehicle. The hydrogen pry installation station now generally only has hydrogenation function, and the function is relatively single, since the hydrogen energy automobile market share is small now, and the electric car market share is already very large, charging facility is now seriously insufficient, if hydrogen can be used to generate electricity in hydrogen pry installation station, and electric car is charged through charging pile, then it will play a good complementary role to charging facility, and the energy and space advantages of hydrogen pry installation station can be fully utilized. In addition, since part of liquid hydrogen will be gasified in actual hydrogen storage process of liquid hydrogen storage tank, hydrogen flash gas is generated at the top of liquid hydrogen storage tank, this part of gas is not fully utilized in liquid hydrogen storage tank, forming waste, and there is no good solution to the above problems at present.

[0003] In summary, how to fully utilize the energy and space of hydrogen pry installation station has become a technical problem to be solved in the industry. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of liquid hydrogen storage hydrogen pry installation station with cooling, heating, charging and hydrogenation function to make up for the deficiency of prior art, solve the problem that previous hydrogen pry installation station function is single, and energy and space are not fully utilized.

[0005] The technical scheme adopted by the utility model to solve the above technical problems is:

[0006] The utility model provides a kind of liquid hydrogen hydrogen storage pry installation station with cooling, heating, charging and hydrogenation function, including liquid hydrogen storage tank, the bottom of liquid hydrogen storage tank is connected with liquid hydrogen bottle by pipeline with one branch, liquid hydrogen bottle is inserted with liquid hydrogen booster pump, the liquid outlet of liquid hydrogen booster pump is connected with the air inlet of vaporizer by pipeline with one branch, the air outlet of vaporizer is connected with high-pressure buffer tank, high-pressure buffer tank is connected with hydrogen hydrogenation machine by pipeline, the liquid outlet of liquid hydrogen booster pump is connected with liquid hydrogen hydrogenation machine by pipeline with another branch;The bottom of liquid hydrogen storage tank is connected with the import of heat exchange cooling assembly by pipeline with another branch, the outlet of heat exchange cooling assembly is connected with the air inlet of hydrogen booster pump by pipeline, the air inlet of hydrogen booster pump is connected with the top of liquid hydrogen storage tank by pipeline, the air outlet of hydrogen booster pump is connected with buffer tank by pipeline, buffer tank is connected with hydrogen fuel cell by pipeline, hydrogen fuel cell connects charging pile, heat source generated by hydrogen fuel cell is connected with heating assembly.

[0007] The bottom of the liquid hydrogen storage tank contains liquid hydrogen, and the top is hydrogen flash gas.

[0008] The vaporizer is connected with the heat source generated by the hydrogen fuel cell for heat exchange.

[0009] A hydrogen cooler is arranged on the pipeline between the high-pressure buffer tank and the hydrogen hydrogenation machine, and the hydrogen cooler is connected with the vaporizer for heat exchange.

[0010] The high-pressure buffer tank is connected with the hydrogen fuel cell through the pipeline via a pressure reducing valve.

[0011] The heat exchange cooling assembly comprises an air bath vaporizer and a water bath vaporizer connected with each other.

[0012] A pressure reducing valve is arranged on the pipeline between the buffer tank and the hydrogen fuel cell.

[0013] The hydrogen fuel cell is further connected with a lithium battery.

[0014] The above-mentioned scheme has the following advantages.

[0015] The utility model discloses a hydrogenation station is provided with liquid hydrogen storage tank, liquid hydrogen bottle, liquid hydrogen booster pump, vaporizer, high pressure buffer tank, hydrogenation machine, hydrogen gas cooler, pressure reducing valve, hydrogen fuel cell, charging pile and heating assembly, and the liquid hydrogen is pumped into vaporizer gasification through liquid hydrogen bottle, liquid hydrogen booster pump one branch and is supplied into high pressure buffer tank and hydrogenation machine after gasification, and the other branch is pumped into liquid hydrogen hydrogenation machine directly, realizes normal hydrogen, liquid hydrogen hydrogenation function, on the other hand, hydrogen gas flash gas of liquid hydrogen storage tank top is supplied into buffer tank and hydrogen fuel cell after the pressurization of hydrogen gas booster pump, and hydrogen fuel cell can charge for charging pile, thereby realizing the charging function of electric car, and the heat source of hydrogen fuel cell can supply heating assembly, and the heating assembly can provide heat source for the required place, so that the hydrogenation station of the utility model integrates cooling, heating, charging and hydrogenation and multiple functions, and makes full use of the energy and space of hydrogenation station, and the hydrogen gas flash gas of liquid hydrogen storage tank top is also fully utilized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure principle schematic drawing of the utility model.

[0017] In the drawing, 1, liquid hydrogen storage tank, 2, liquid hydrogen bottle, 3, liquid hydrogen booster pump, 4, vaporizer, 5, high pressure buffer tank, 6, hydrogenation machine, 7, heat supply cooling assembly, 8, hydrogen gas booster pump, 9, buffer tank, 10, hydrogen fuel cell, 11, charging pile, 12, heating assembly, 13, liquid hydrogen hydrogenation machine, 14, lithium battery, 15, hydrogen gas cooler, 16, pressure reducing valve. DETAILED DESCRIPTION

[0018] In order to clearly show the technical features of the scheme, the utility model is described in detail below through specific implementation mode, and is combined with its attached drawing.

[0019] As Figure 1As shown, a liquid hydrogen hydrogen storage pry station with cooling, heating, charging and hydrogenation functions, comprising a liquid hydrogen storage tank 1, a branch at the bottom of the liquid hydrogen storage tank 1 is connected with a liquid hydrogen bottle 2 through a pipeline, a liquid hydrogen booster pump 3 is inserted in the liquid hydrogen bottle 2, a branch of the liquid hydrogen booster pump 3 outlet is connected with the gas inlet of a vaporizer 4 through a pipeline, the gas outlet of the vaporizer 4 is connected with a high-pressure buffer tank 5, the high-pressure buffer tank 5 is connected with a hydrogen hydrogenation machine 6 through a pipeline, another branch of the liquid hydrogen booster pump 3 outlet is connected with a liquid hydrogen hydrogenation machine 13 through a pipeline; another branch at the bottom of the liquid hydrogen storage tank 1 is connected with the inlet of a heat exchange cooling assembly 7 through a pipeline, the outlet of the heat exchange cooling assembly 7 is connected with the gas inlet of a hydrogen booster pump 8 through a pipeline, the gas inlet of the hydrogen booster pump 8 is also connected with the top of the liquid hydrogen storage tank 1 through a pipeline, the gas outlet of the hydrogen booster pump 8 is connected with a buffer tank 9 through a pipeline, the buffer tank 9 is connected with a hydrogen fuel cell 10 through a pipeline, the hydrogen fuel cell 10 is connected with a charging pile 11, and the heat source generated by the hydrogen fuel cell 10 is connected with a heating assembly 12.

[0020] The bottom of the liquid hydrogen storage tank 1 contains liquid hydrogen, and the top is hydrogen flash gas.

[0021] The vaporizer 4 is connected with the heat source generated by the hydrogen fuel cell 10 for heat exchange, so as to fully utilize the heat source generated by the hydrogen fuel cell 10.

[0022] A hydrogen cooler 15 is arranged on the pipeline between the high-pressure buffer tank 5 and the hydrogen hydrogenation machine 6, the hydrogen cooler 15 can cool the hydrogen discharged from the high-pressure buffer tank 5, so as to control the temperature of the hydrogen entering the hydrogen hydrogenation machine 6, and the hydrogen cooler 15 is connected with the vaporizer 4 for heat exchange, so as to fully utilize the cold source generated by the vaporizer 4.

[0023] The high-pressure buffer tank 5 is connected with the hydrogen fuel cell 10 through a pipeline via a pressure reducing valve 16, and the high-pressure hydrogen in the high-pressure buffer tank 5 can also be supplied into the hydrogen fuel cell 10 for use after being reduced in pressure by the pressure reducing valve 16.

[0024] The heat exchange cooling assembly 7 comprises a connected air bath vaporizer and water bath vaporizer, which can vaporize liquid hydrogen and provide cold source for the required place.

[0025] A pressure reducing valve 16 is arranged on the pipeline between the buffer tank 9 and the hydrogen fuel cell 10, which reduces the pressure of the hydrogen entering the hydrogen fuel cell 10.

[0026] The hydrogen fuel cell 10 is also connected with a lithium battery 14, which can charge the lithium battery 14, and the lithium battery 14 can also provide electric energy for the work of the hydrogen fuel cell 10.

[0027] Working principle:

[0028] The liquid hydrogen in the bottom of the liquid hydrogen storage tank 1 enters the liquid hydrogen bottle 2, and the liquid hydrogen booster pump 3 works to pressurize the liquid hydrogen, one branch pumps the liquid hydrogen into the vaporizer 4 for gasification to form high-pressure hydrogen gas to enter the high-pressure buffer tank 5 for storage, the high-pressure hydrogen gas in the high-pressure buffer tank 5 is first cooled in the hydrogen cooler 15, and then enters the hydrogen hydrogenation machine 6, and the other branch directly pumps the liquid hydrogen into the liquid hydrogen hydrogenation machine 13, thereby realizing the hydrogen hydrogenation function of the vehicle; the hydrogen flash gas at the top of the liquid hydrogen storage tank 1 enters the buffer tank 9 under the action of the hydrogen booster pump 8, and at the same time, the liquid hydrogen at the bottom of the liquid hydrogen storage tank 1 enters the heat exchange cooling assembly 7 under the action of the hydrogen booster pump 8, and the hydrogen gas after gasification also enters the buffer tank 9 under the action of the hydrogen booster pump 8, during which, the heat exchange cooling assembly 7 can provide a cold source for the required place, and the hydrogen gas in the buffer tank 9 is finally supplied to the hydrogen fuel cell 10, and the electric energy generated by the hydrogen fuel cell 10 when working can be supplied to the charging pile 11 to realize the charging function of the electric vehicle, and the heat source generated by the hydrogen fuel cell 10 when working can be supplied to the heating assembly 12 and the vaporizer 4, the heating assembly 12 can provide a heat source for the required place, and the vaporizer 4 fully utilizes the heat source of the hydrogen fuel cell 10 to gasify the liquid hydrogen, and the cold source generated by the vaporizer 4 can also be supplied to the hydrogen cooler 15 to cool the hydrogen gas entering the hydrogen hydrogenation machine 6, thereby saving energy. In addition, the new device can generate electricity by using its own hydrogen energy, and can be off-grid hydrogenation and charging without relying on the power grid, thereby reducing the dependence on the power grid.

[0029] The above specific embodiments cannot be regarded as a limitation on the protection scope of the utility model, and any alternative improvement or change made by the person skilled in the art to the embodiments of the utility model falls within the protection scope of the utility model.

[0030] The parts not described in the utility model are the known technology of the person skilled in the art.

Claims

1. A liquid hydrogen hydrogen storage pry station with cooling, heating, charging and hydrogenation functions, characterized in that: The hydrogen fuel cell is connected with the charging pile, and the heat source generated by the hydrogen fuel cell is connected with the heating assembly. ​ 2. The liquid hydrogen hydrogen supply pry station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: The bottom of the liquid hydrogen storage tank contains liquid hydrogen, and the top is hydrogen flash gas.

3. The liquid hydrogen hydrogen supply pry station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: The vaporizer is connected with the heat source generated by the hydrogen fuel cell for heat exchange.

4. The liquid hydrogen hydrogen refueling station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: A hydrogen cooler is arranged on the pipeline between the high-pressure buffer tank and the hydrogen hydrogenation machine, and the hydrogen cooler is connected with the vaporizer for heat exchange.

5. The liquid hydrogen hydrogen refueling station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: The high-pressure buffer tank is connected with the hydrogen fuel cell through the pipeline via a pressure reducing valve.

6. The liquid hydrogen hydrogen supply pry station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: The heat exchange cooling assembly includes a connected air bath vaporizer and a water bath vaporizer.

7. The hydrogen liquefying and storing prying station with the functions of cooling, heating, charging and hydrogenation according to claim 1, characterized in that: A pressure reducing valve is arranged on the pipeline between the buffer tank and the hydrogen fuel cell.

8. The liquid hydrogen hydrogen supply pry station with cooling, heating, charging and hydrogenation functions according to claim 1, characterized in that: The hydrogen fuel cell is also connected with a lithium battery.

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