CN215804752U - Energy-saving hydrogenation system - Google Patents
Energy-saving hydrogenation system Download PDFInfo
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- CN215804752U CN215804752U CN202122202878.1U CN202122202878U CN215804752U CN 215804752 U CN215804752 U CN 215804752U CN 202122202878 U CN202122202878 U CN 202122202878U CN 215804752 U CN215804752 U CN 215804752U
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Abstract
The utility model discloses an energy-saving hydrogenation system, which comprises: hydrogenation machine, energy storage ware, liquid hydrogen booster pump, liquid hydrogen storage tank, vaporizer, liquid hydrogen storage tank links to each other with the liquid hydrogen booster pump, and the liquid hydrogen booster pump links to each other with the vaporizer, and the vaporizer links to each other with the energy storage ware, and the energy storage ware links to each other with the hydrogenation machine, and the vaporizer is equipped with two, is first, second vaporizer respectively, still includes: power generation facility, the battery, the circulation liquefying plant, the BOG storage tank, liquid hydrogen storage tank links to each other with the BOG storage tank, the BOG storage tank links to each other with the circulation liquefying plant, the circulation liquefying plant links to each other with the liquid hydrogen storage tank, the liquid hydrogen booster pump links to each other with first vaporizer through first pipeline, first vaporizer is respectively through the second, the third pipeline links to each other with the second vaporizer, the second vaporizer links to each other with the energy storage ware, power generation facility establishes ties on the third pipeline, power generation facility links to each other with the battery, the battery links to each other with the circulation liquefying plant. The system can utilize liquid hydrogen to generate power, thereby reducing the energy consumption of BOG liquefaction and realizing zero BOG discharge by the liquefied BOG.
Description
Technical Field
The utility model relates to the field of hydrogenation equipment, in particular to an energy-saving hydrogenation system.
Background
In response to the growing energy crisis and environmental problems, the development and utilization of clean energy are receiving more and more attention from all the world. Among them, hydrogen only produces water because of its burning, is honored as the most clean fuel, and the industry has been full of expectations to its application. The hydrogen station is an important basic device in the hydrogen energy industry chain, and the hydrogen station can store hydrogen in a liquid hydrogen mode due to high liquid hydrogen storage density and low transportation cost. The liquid hydrogen is liquefied hydrogen which is liquefied at low temperature and normal pressure, and the low-temperature environment (about-253 ℃) is ensured in the storage and transportation processes. However, the environmental heat of the hydrogen filling station and the mechanical energy of the submerged pump in the hydrogen storage tank can transfer the heat into the low-temperature hydrogen storage tank to cause the evaporation of the liquid hydrogen in the hydrogen storage tank, the gas hydrogen generated by the evaporation is generally called BOG, for example, the daily evaporation rate of the liquid hydrogen tank of 200m ^3 can reach more than 0.3%, the BOG generated by the evaporation can cause the pressure in the storage tank to rise, so the BOG in the liquid hydrogen storage tank can be directly discharged into the atmosphere, and thus the loss can be caused.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: an energy-saving hydrogenation system for a hydrogenation station capable of realizing zero emission of BOG is provided.
In order to solve the above problems, the utility model adopts the following technical scheme: an energy efficient hydrogenation system comprising: hydrogenation machine, the energy storage ware, the liquid hydrogen booster pump, the liquid hydrogen storage tank, the vaporizer, the liquid hydrogen storage tank passes through the pipeline and links to each other with the liquid hydrogen booster pump, make the liquid hydrogen in the liquid hydrogen booster pump can extract the liquid hydrogen in the liquid hydrogen storage tank, the liquid hydrogen booster pump passes through the pipeline and links to each other with the vaporizer, make the liquid hydrogen can get into in the vaporizer by gasification for gas hydrogen, the vaporizer passes through the pipeline and links to each other with the energy storage ware, make gas hydrogen can be stored in the energy storage ware, the energy storage ware passes through the pipeline and links to each other with the hydrogenation machine, make the gas hydrogen can pass through the hydrogenation machine and annotate in the energy storage ware, its characterized in that: the vaporizer is provided with two, is first vaporizer and second vaporizer respectively, still includes: the BOG storage tank is connected with the BOG storage tank through a pipeline, so that the BOG generated in the liquid hydrogen storage tank can enter the BOG storage tank, the BOG storage tank is connected with the circulating liquefaction device through a pipeline, so that the BOG in the BOG storage tank can enter the circulating liquefaction device to be liquefied, the circulating liquefaction device is connected with the liquid hydrogen storage tank through a pipeline, so that the liquefied BOG can return to the liquid hydrogen storage tank, the liquid hydrogen booster pump is connected with a first gasifier through a first pipeline, the first gasifier is respectively connected with a second gasifier through a second pipeline and a third pipeline, the second gasifier is connected with an energy accumulator through a pipeline, the power generation device is connected with the third pipeline in series, the power generation device can utilize high-pressure normal-temperature gas hydrogen in the third pipeline to generate power, the high-pressure normal-temperature gas hydrogen can be converted into low-pressure low-temperature gas hydrogen in the power generation process, the power generation device is connected with the storage battery through a cable, so that the generated electric energy is stored in the storage battery, and the storage battery is connected with the circulating liquefaction device through a cable, so that the storage battery can supply power for the circulating liquefaction device.
Further, the foregoing energy-saving hydrogenation system, wherein: the power generation device includes: the turbine expander is connected with the generator set through a coupler, the turbine expander is connected in series with the third pipeline, and high-pressure normal-temperature gas hydrogen can drive the generator set to generate power after being expanded in the turbine expander to do work externally.
Further, the foregoing energy-saving hydrogenation system, wherein: the first pipeline passes through the circulating liquefaction device, so that liquid hydrogen in the first pipeline can pre-cool BOG in the circulating liquefaction device.
Further, the foregoing energy-saving hydrogenation system, wherein: a first pneumatic valve is connected in series on the second pipeline, a second pneumatic valve is connected in series on the third pipeline, and the second pneumatic valve is positioned between the power generation device and the first gasifier.
Further, the foregoing energy-saving hydrogenation system, wherein: and a third pneumatic valve is connected in series on a pipeline between the BOG storage tank and the liquid hydrogen storage tank, and a fourth pneumatic valve is connected in series on a pipeline between the circulating liquefaction device and the liquid hydrogen storage tank.
The utility model has the advantages that: the energy-saving hydrogenation system can utilize liquid hydrogen to generate electricity, and the generated electric energy is used in the circulating liquefaction device, so that the energy consumption of BOG liquefaction can be reduced, the energy-saving purpose is achieved, and zero BOG discharge can be realized by liquefying BOG.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving hydrogenation system according to the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.
As shown in fig. 1, an energy saving hydrogenation system comprises: hydrogenation machine 1, the energy storage ware 2, liquid hydrogen booster pump 3, liquid hydrogen storage tank 4, the vaporizer, liquid hydrogen storage tank 4 passes through the pipeline and links to each other with liquid hydrogen booster pump 3, make liquid hydrogen booster pump 3 can extract the liquid hydrogen in liquid hydrogen storage tank 4, liquid hydrogen booster pump 3 passes through the pipeline and links to each other with the vaporizer, make liquid hydrogen can get into in the vaporizer by gasification for gas hydrogen, the vaporizer passes through the pipeline and links to each other with energy storage ware 2, make gas hydrogen can be stored in energy storage ware 2, energy storage ware 2 passes through the pipeline and links to each other with hydrogenation machine 1, make gas hydrogen can pass through hydrogenation machine 1 and annotate in the energy storage ware 2, the vaporizer is provided with two, be first gasifier 51 and second gasifier 52 respectively, still include: the BOG liquefied circulation and liquefaction device comprises a power generation device 6, a storage battery 7, a BOG storage tank 9 and a circulation liquefaction device 8, wherein the liquid hydrogen storage tank 4 is connected with the BOG storage tank 9 through a pipeline, the BOG generated in the liquid hydrogen storage tank 4 can enter the BOG storage tank 9, the BOG storage tank 9 is connected with the circulation liquefaction device 8 through a pipeline, the BOG in the BOG storage tank 9 can enter the circulation liquefaction device 8 to be liquefied, the circulation liquefaction device 8 is connected with the liquid hydrogen storage tank 4 through a pipeline, the liquefied BOG can return to the liquid hydrogen storage tank 4, a liquid hydrogen booster pump 3 is connected with a first gasifier 51 through a first pipeline 31, the first gasifier 51 is respectively connected with a second gasifier 52 through a second pipeline 32 and a third pipeline 33, the second gasifier 52 is connected with an energy accumulator 2 through a pipeline, the power generation device 6 is connected in series on the third pipeline 33, the power generation device 6 can generate power by using high-pressure normal temperature gas hydrogen in the third pipeline 33, in the power generation process, high pressure normal atmospheric temperature gas hydrogen can turn into low pressure low temperature gas hydrogen, power generation facility 6 passes through the cable and links to each other with battery 7, make the electric energy that sends stored in battery 7, battery 7 passes through the cable and links to each other with circulation liquefying plant 8, make battery 7 can be for circulation liquefying plant power supply 8, can utilize liquid hydrogen to generate electricity after setting up like this, thereby can reduce BOG liquefied energy consumption, reach energy-conserving purpose, the BOG zero release can be realized to the liquefaction BOG.
The circulating liquefying device comprises a compressor and a condenser, wherein the BOG is firstly compressed by the compressor and then liquefied by exchanging heat with the condenser.
In the present embodiment, the power generation device 6 includes: the turbo expander 61 is connected with the generator set 62 through a coupler, the turbo expander 61 is connected with the third pipeline 33 in series, and the high-pressure normal-temperature gas hydrogen performs turbo expansion in the turbo expander 61 to do work externally and then can drive the generator set 62 to generate power.
The first pipeline 31 passes through the circulating liquefaction device 8, so that the liquid hydrogen in the first pipeline 31 can pre-cool the BOG in the circulating liquefaction device 8, and the arrangement can also achieve the purpose of energy conservation.
A first air-operated valve 53 is connected in series to the second pipe 32, and a second air-operated valve 54 is connected in series to the third pipe 33, the second air-operated valve 54 being located between the power generation device 6 and the first carburetor 51. A third pneumatic valve 55 is connected in series to a pipe between the BOG tank 9 and the liquid hydrogen tank 4, and a fourth pneumatic valve 56 is connected in series to a pipe between the circulation liquefaction device 8 and the liquid hydrogen tank 4. During charging, the first pneumatic valve 53 needs to be opened, and during power generation, the second pneumatic valve 54 needs to be opened.
Claims (5)
1. An energy efficient hydrogenation system comprising: hydrogenation machine, the energy storage ware, the liquid hydrogen booster pump, the liquid hydrogen storage tank, the vaporizer, the liquid hydrogen storage tank passes through the pipeline and links to each other with the liquid hydrogen booster pump, make the liquid hydrogen in the liquid hydrogen booster pump can extract the liquid hydrogen in the liquid hydrogen storage tank, the liquid hydrogen booster pump passes through the pipeline and links to each other with the vaporizer, make the liquid hydrogen can get into in the vaporizer by gasification for gas hydrogen, the vaporizer passes through the pipeline and links to each other with the energy storage ware, make gas hydrogen can be stored in the energy storage ware, the energy storage ware passes through the pipeline and links to each other with the hydrogenation machine, make the gas hydrogen can pass through the hydrogenation machine and annotate in the energy storage ware, its characterized in that: the vaporizer is provided with two, is first vaporizer and second vaporizer respectively, still includes: the BOG storage tank is connected with the BOG storage tank through a pipeline, so that the BOG generated in the liquid hydrogen storage tank can enter the BOG storage tank, the BOG storage tank is connected with the circulating liquefaction device through a pipeline, so that the BOG in the BOG storage tank can enter the circulating liquefaction device to be liquefied, the circulating liquefaction device is connected with the liquid hydrogen storage tank through a pipeline, so that the liquefied BOG can return to the liquid hydrogen storage tank, the liquid hydrogen booster pump is connected with a first gasifier through a first pipeline, the first gasifier is respectively connected with a second gasifier through a second pipeline and a third pipeline, the second gasifier is connected with an energy accumulator through a pipeline, the power generation device is connected with the third pipeline in series, the power generation device can utilize high-pressure normal-temperature gas hydrogen in the third pipeline to generate power, the high-pressure normal-temperature gas hydrogen can be converted into low-pressure low-temperature gas hydrogen in the power generation process, the power generation device is connected with the storage battery through a cable, so that the generated electric energy is stored in the storage battery, and the storage battery is connected with the circulating liquefaction device through a cable, so that the storage battery can supply power for the circulating liquefaction device.
2. The energy-saving hydrogenation system of claim 1, wherein: the power generation device includes: the turbine expander is connected with the generator set through a coupler, the turbine expander is connected in series with the third pipeline, and high-pressure normal-temperature gas hydrogen can drive the generator set to generate power after being expanded in the turbine expander to do work externally.
3. The energy-saving hydrogenation system of claim 1 or 2, wherein: the first pipeline passes through the circulating liquefaction device, so that liquid hydrogen in the first pipeline can pre-cool BOG in the circulating liquefaction device.
4. The energy-saving hydrogenation system of claim 1 or 2, wherein: a first pneumatic valve is connected in series on the second pipeline, a second pneumatic valve is connected in series on the third pipeline, and the second pneumatic valve is positioned between the power generation device and the first gasifier.
5. The energy-saving hydrogenation system of claim 1 or 2, wherein: and a third pneumatic valve is connected in series on a pipeline between the BOG storage tank and the liquid hydrogen storage tank, and a fourth pneumatic valve is connected in series on a pipeline between the circulating liquefaction device and the liquid hydrogen storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202878.1U CN215804752U (en) | 2021-09-13 | 2021-09-13 | Energy-saving hydrogenation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202878.1U CN215804752U (en) | 2021-09-13 | 2021-09-13 | Energy-saving hydrogenation system |
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| Publication Number | Publication Date |
|---|---|
| CN215804752U true CN215804752U (en) | 2022-02-11 |
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| CN202122202878.1U Active CN215804752U (en) | 2021-09-13 | 2021-09-13 | Energy-saving hydrogenation system |
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| CN (1) | CN215804752U (en) |
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2021
- 2021-09-13 CN CN202122202878.1U patent/CN215804752U/en active Active
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