CN208332855U - Evaporation hydrogen recycling device in liquefaction of hydrogen system - Google Patents
Evaporation hydrogen recycling device in liquefaction of hydrogen system Download PDFInfo
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- CN208332855U CN208332855U CN201820805055.3U CN201820805055U CN208332855U CN 208332855 U CN208332855 U CN 208332855U CN 201820805055 U CN201820805055 U CN 201820805055U CN 208332855 U CN208332855 U CN 208332855U
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Abstract
The utility model discloses the evaporation hydrogen recycling devices in liquefaction of hydrogen system, it include: that low pressure hydrogen compressor is connected with high pressure hydrogen compressor, high pressure hydrogen compressor is connected with First Heat Exchanger, First Heat Exchanger is connected with first reactor, first reactor and the second heat exchanger connect, second heat exchanger is connected with third heat exchanger and the first Turbine expansion unit simultaneously, third heat exchanger is connected with the 4th heat exchanger, 4th heat exchanger is connected with the 5th heat exchanger, 5th heat exchanger is connected with the 6th heat exchanger, 6th heat exchanger is connected with second reactor, first Turbine expansion unit is connected with the 4th heat exchanger, 4th heat exchanger is connected with the second Turbine expansion unit, second Turbine expansion unit is connected with the 5th heat exchanger.The utility model has the advantages that: hydrogen recycling will be evaporated into the refrigerant of feed hydrogen condensation liquefaction, not only avoid the waste of the energy, and ensure that production safety.
Description
Technical field
The utility model relates to liquefaction of hydrogen technical fields, and in particular to the evaporation hydrogen in liquefaction of hydrogen system recycles dress
It sets.
Background technique
In liquefaction of hydrogen system, feed hydrogen needed after filtering, compression, purification successively through First Heat Exchanger, first reactor,
Be condensed liquid after second heat exchanger, third heat exchanger, the 4th heat exchanger, the 5th heat exchanger, the 6th heat exchanger and second reactor
It is melted into liquified hydrogen, liquified hydrogen inputs storage tank again and stored.It is vaporized into evaporation hydrogen since the liquified hydrogen in storage tank easily absorbs heat,
All it is at present that the evaporation hydrogen direct emission that will be vaporized in storage tank is fallen, not only results in the significant wastage of the energy in this way, and
Serious production safety hidden danger can be brought.Thus need to invent it is a kind of can be to the device that evaporation hydrogen is recycled.
Utility model content
Evaporation hydrogen can be carried out in the liquefaction of hydrogen system of recycling the purpose of the utility model is to provide a kind of
Evaporation hydrogen recycling device.
To achieve the above object, the utility model adopts the technical scheme that the evaporation in the liquefaction of hydrogen system
Hydrogen recycling device, including low pressure hydrogen compressor, high pressure hydrogen compressor, First Heat Exchanger, first reactor, second
Heat exchanger, third heat exchanger, the 4th heat exchanger, the 5th heat exchanger, the 6th heat exchanger, second reactor, the first turbo-expander
Group and the second Turbine expansion unit；
The outlet of the low pressure hydrogen compressor is connected with the import of high pressure hydrogen compressor, high pressure hydrogen compressor
Outlet is connected with the first heat exchanger tube import of First Heat Exchanger, the first heat transfer tube outlet and first reactor of First Heat Exchanger
Heat exchanger tube import be connected, the heat transfer tube outlet of first reactor is connected with the first heat exchanger tube import of the second heat exchanger,
First heat transfer tube outlet of the second heat exchanger while the first heat exchanger tube import with third heat exchanger and the first Turbine expansion unit
Air inlet be connected, the first heat transfer tube outlet of the third heat exchanger is connected with the first heat exchanger tube import of the 4th heat exchanger
Logical, the first heat transfer tube outlet of the 4th heat exchanger is connected with the first heat exchanger tube import of the 5th heat exchanger, the 5th heat exchanger
First heat transfer tube outlet is connected with the heat exchanger tube import of the 6th heat exchanger, and the heat transfer tube outlet of the 6th heat exchanger is reacted with second
The cooling capacity medium entrance of device is connected, and the cooling capacity media outlet of second reactor is connected with the case entrances of the 6th heat exchanger,
The housing outlets of 6th heat exchanger are connected with the second heat exchanger tube import of the 5th heat exchanger, the second heat exchanger tube of the 5th heat exchanger
Outlet is connected with the second heat exchanger tube import of the 4th heat exchanger, the second heat transfer tube outlet and third heat exchanger of the 4th heat exchanger
The second heat exchanger tube import be connected, the second heat exchanger tube import of the second heat transfer tube outlet of third heat exchanger and the second heat exchanger
It is connected, the second heat transfer tube outlet of the second heat exchanger is connected with the second heat exchanger tube import of First Heat Exchanger, the first heat exchange
Second heat transfer tube outlet of device is connected with the import of low pressure hydrogen compressor；
The gas outlet of first Turbine expansion unit is connected with the third heat exchanger tube import of the 4th heat exchanger, and the 4th changes
The third heat transfer tube outlet of hot device is connected with the air inlet of the second Turbine expansion unit, the gas outlet of the second Turbine expansion unit
It is connected with the case entrances of the 5th heat exchanger, the housing outlets of the 5th heat exchanger are connected with the case entrances of the 4th heat exchanger
Logical, the housing outlets of the 4th heat exchanger are connected with the case entrances of third heat exchanger, the housing outlets of third heat exchanger and the
The case entrances of two heat exchangers are connected, and the housing outlets of the second heat exchanger are connected with the case entrances of First Heat Exchanger, the
The housing outlets of one heat exchanger are connected with the import of high pressure hydrogen compressor.
Further, the evaporation hydrogen recycling device in liquefaction of hydrogen system above-mentioned, in which: first reactor is changed
Heat pipe outlet is connected by absorber with the first heat exchanger tube import of the second heat exchanger.
Further, the evaporation hydrogen recycling device in liquefaction of hydrogen system above-mentioned, in which: the first turbo-expander
Group includes a turbo-expander.
Further, the evaporation hydrogen recycling device in liquefaction of hydrogen system above-mentioned, in which: the second turbo-expander
Group includes two turbo-expanders being connected in series.
Further, the evaporation hydrogen recycling device in liquefaction of hydrogen system above-mentioned, in which: high pressure hydrogen compressor
Outlet simultaneously with the labyrinth seal air inlet of the first turbo-expander, the labyrinth seal air inlet of the second turbo-expander and the
The labyrinth seal air inlet of three turbo-expanders is connected, and the labyrinth seal gas outlet of the first turbo-expander, the second turbine are swollen
The labyrinth seal gas outlet of swollen machine and the labyrinth seal gas outlet of third turbo-expander simultaneously with high pressure hydrogen compressor
Import is connected.
Through the implementation of the above technical solution, the beneficial effects of the utility model are: can be recycled back to evaporation hydrogen
It receives and utilizes, hydrogen recycling will be evaporated at the refrigerant of feed hydrogen condensation liquefaction, needed for providing for feed hydrogen condensation liquefaction
Cooling capacity, not only avoids the waste of the energy, and ensure that production safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the evaporation hydrogen recycling device in liquefaction of hydrogen system described in the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the evaporation hydrogen recycling device in the liquefaction of hydrogen system, including low pressure hydrogen compressor
1, high pressure hydrogen compressor 2, First Heat Exchanger 3, first reactor 4, absorber 5, the second heat exchanger 6, third heat exchanger 7,
Four heat exchangers 8, the 5th heat exchanger 9, the 6th heat exchanger 10 and second reactor 11, first be made of the first turbo-expander 12
Turbine expansion unit, and the second Turbine expansion unit being made of the second turbo-expander 13 and third turbo-expander 14；
The outlet of the low pressure hydrogen compressor 1 is connected with the import of high pressure hydrogen compressor 2, high pressure hydrogen compressor
2 outlet is connected with the import of the first heat exchanger tube 31 in First Heat Exchanger 3, the first heat exchanger tube 31 in First Heat Exchanger 3
Outlet be connected with the import of the heat exchanger tube 41 in first reactor 4, the outlet of the heat exchanger tube 41 in first reactor 4 passes through
Absorber 5 is connected with the import of the first heat exchanger tube 61 in the second heat exchanger 6, the first heat exchanger tube 61 in the second heat exchanger 6
Outlet simultaneously be connected with the air inlet of the import of the first heat exchanger tube 71 in third heat exchanger 7 and the first turbo-expander 12
Logical, the first heat exchanger tube 71 outlet in the third heat exchanger 7 is connected with the import of the first heat exchanger tube 81 in the 4th heat exchanger 8
Logical, the outlet of the first heat exchanger tube 81 in the 4th heat exchanger 8 is connected with the import of the first heat exchanger tube 91 in the 5th heat exchanger 9
Logical, the outlet of the first heat exchanger tube 91 in the 5th heat exchanger 9 is connected with the import of the heat exchanger tube 101 in the 6th heat exchanger 10,
The outlet of heat exchanger tube 101 in 6th heat exchanger 10 is connected with the cooling capacity medium entrance of second reactor 11, second reactor
11 cooling capacity media outlet is connected with the case entrances of the 6th heat exchanger 10, and the housing outlets of the 6th heat exchanger 10 are changed with the 5th
The import of the second heat exchanger tube 92 in hot device 9 is connected, the outlet of the second heat exchanger tube 92 in the 5th heat exchanger 9 and the 4th heat exchange
The import of the second heat exchanger tube 82 in device 8 is connected, the outlet of the second heat exchanger tube 82 in the 4th heat exchanger 8 and third heat exchanger
The import of the second heat exchanger tube 72 in 7 is connected, the outlet of the second heat exchanger tube 72 in third heat exchanger 7 and the second heat exchanger 6
In the import of the second heat exchanger tube 62 be connected, in the outlet of the second heat exchanger tube 62 in the second heat exchanger 6 and First Heat Exchanger 3
The import of the second heat exchanger tube 32 be connected, the outlet of the second heat exchanger tube 32 in First Heat Exchanger 3 and low pressure hydrogen compressor 1
Import be connected；
The gas outlet of first turbo-expander 12 is connected with the import of the third heat exchanger tube 83 in the 4th heat exchanger 8
Logical, the outlet of the third heat exchanger tube 83 in the 4th heat exchanger 8 is connected with the air inlet of the second turbo-expander 13, the second turbine
The gas outlet of expanding machine 13 is connected with the air inlet of third turbo-expander 14, the gas outlet of third turbo-expander 14 and the
The case entrances of five heat exchangers 9 are connected, and the housing outlets of the 5th heat exchanger 9 are connected with the case entrances of the 4th heat exchanger 8,
The housing outlets of 4th heat exchanger 8 are connected with the case entrances of third heat exchanger 7, the housing outlets of third heat exchanger 7 and
The case entrances of two heat exchangers 6 are connected, and the housing outlets of the second heat exchanger 6 are connected with the case entrances of First Heat Exchanger 3,
The housing outlets of First Heat Exchanger 3 are connected with the import of high pressure hydrogen compressor 2；
In the present embodiment, the outlet of high pressure hydrogen compressor 2 simultaneously with the labyrinth seal of the first turbo-expander 12 into
The labyrinth seal air inlet of port, the labyrinth seal air inlet of the second turbo-expander 13 and third turbo-expander 14 is connected
Logical, the labyrinth seal gas outlet of the first turbo-expander 12, the labyrinth seal gas outlet of the second turbo-expander 13 and third are saturating
The labyrinth seal gas outlet of flat expanding machine 14 is connected with the import of high pressure hydrogen compressor simultaneously；In actual use, only
The boil-off gas discharge outlet of liquified hydrogen storage tank need to be connected to the entrance of low pressure hydrogen compressor 1；
The working principle of the utility model is as follows:
Evaporation hydrogen in storage tank is successively after low pressure hydrogen compressor 1, high pressure hydrogen compressor 2 by First Heat Exchanger
3 the first heat exchanger tube 31, during evaporating hydrogen by the first heat exchanger tube 31, evaporation hydrogen can be by 3 shell of First Heat Exchanger
Cooling capacity medium in body is cooled down, and evaporation hydrogen after cooling is passed through using the heat exchanger tube 41 of first reactor 4 in evaporation hydrogen
During the heat exchanger tube 41 for crossing first reactor 4, evaporation hydrogen can be again by the cooling capacity medium institute in 1 shell of first reactor
Cooling, evaporation hydrogen after cooling enters back into absorber 5 and carries out impurity absorption filtering, completes the filtered evaporation hydrogen of impurity absorption
Gas passes through the first heat exchanger tube 61 of the second heat exchanger 6 using the first heat exchanger tube 61 in the second heat exchanger 6, in evaporation hydrogen
In the process, evaporation hydrogen can be cooled down by the cooling capacity medium in 6 shell of the second heat exchanger again, and evaporation hydrogen after cooling can be from
Two-way can be divided after the outlet discharge of first heat exchanger tube 61 of the second heat exchanger 6, the first heat exchange being discharged into third heat exchanger 7 all the way
Pipe 71, another way are discharged into the first turbo-expander 12；
Wherein for evaporation hydrogen during by the first heat exchanger tube 71 of third heat exchanger 7, evaporation hydrogen can be again all the way
The secondary cooling capacity medium by 7 shell of third heat exchanger cools down, and evaporation hydrogen after cooling is using the in the 4th heat exchanger 8
One heat exchanger tube 81, during evaporating the first heat exchanger tube 81 that hydrogen passes through in the 4th heat exchanger 8, evaporation hydrogen can be by the 4th
Cooling capacity medium in 8 shell of heat exchanger tube is cooled down, and evaporation hydrogen after cooling is using the first heat exchanger tube in the 5th heat exchanger 9
91, during evaporating the first heat exchanger tube 91 that hydrogen passes through in the 5th heat exchanger 9, evaporation hydrogen can be again by the 5th heat exchange
Cooling capacity medium in 9 shell of device is cooled down, and evaporation hydrogen after cooling is being steamed using the heat exchanger tube 101 of the 6th heat exchanger 10
During sending out heat exchanger tube 101 of the hydrogen by the 6th heat exchanger 10, evaporation hydrogen can be by cold in 10 shell of the 6th heat exchanger
Amount medium is cooled down, and the evaporation hydrogen being discharged from the heat exchanger tube 101 of the 6th heat exchanger 10 can be from the cooling capacity medium entrance of reactor 2
Into the cooling capacity medium in reactor 2 as reactor 2, cooling capacity is provided for the reaction of reactor 2；After providing cooling capacity for reactor 2
Evaporation hydrogen again from the cooling capacity media outlet of reactor 2 enter the 6th heat exchanger 10 shell in as the 6th heat exchanger 10
Cooling capacity medium provides cooling capacity for the 6th heat exchanger 10；Evaporation hydrogen is that the 6th heat exchanger 10 is provided after cooling capacity again successively through the 5th
The second heat exchanger tube 92 in heat exchanger 9, the second heat exchanger tube 82 in the 4th heat exchanger 8, the second heat exchanger tube in third heat exchanger 7
72, the second heat exchanger tube 32 in the second heat exchanger tube 62 and First Heat Exchanger 3 in the second heat exchanger 6 reenters pressure hydrogen
The import of air compressor 1 provides cooling capacity again for feed hydrogen condensation liquefaction；
And another way is compressed by the evaporation hydrogen of the first turbo-expander 12 by the first turbo-expander 12, expansion throttling
The second turbo-expander 13 and third turbo-expander are passed sequentially through by the third heat exchanger tube 83 of the 4th heat exchanger 8 after refrigeration
14, during evaporating third heat exchanger tube 83 of the hydrogen by the 4th heat exchanger 8, evaporation hydrogen can be by 8 shell of the 4th heat exchanger
Cooling capacity medium in body further cools down；And hydrogen is evaporated in the mistake by the second turbo-expander 13 and third expanding machine 14
Cheng Zhong also can further be compressed by the second turbo-expander 13 with third turbo-expander 14, expansion throttling refrigeration, saturating by third
Flat expanding machine 14 freeze after evaporation hydrogen can sequentially enter in the shell of the 5th heat exchanger 9, in the shell of the 4th heat exchanger 8,
In the shell of third heat exchanger 7, in the shell of the second heat exchanger 6 and in the shell of First Heat Exchanger 3, thus as the 5th
Heat exchanger 9, the 4th heat exchanger 8, third heat exchanger 7, the second heat exchanger 6 and First Heat Exchanger 3 cooling capacity medium, be five heat exchangers
9, the 4th heat exchanger 8, third heat exchanger 7, the second heat exchanger 6 and First Heat Exchanger 3 provide cooling capacity；And enter First Heat Exchanger
It is feed hydrogen condensation liquefaction that the evaporation hydrogen that cooling capacity is provided in 3 shells can reenter the import of high pressure hydrogen compressor 2 again
Cooling capacity is provided.
The utility model has the advantages that: can to evaporation hydrogen carry out recycling, will evaporation hydrogen recycle at
The refrigerant of feed hydrogen condensation liquefaction provides institute's chilling requirement for feed hydrogen condensation liquefaction, not only avoids the waste of the energy, and
And it ensure that production safety.
Claims (5)
1. the evaporation hydrogen recycling device in liquefaction of hydrogen system, it is characterised in that: including low pressure hydrogen compressor, High Pressure Hydrogen
Air compressor, First Heat Exchanger, first reactor, the second heat exchanger, third heat exchanger, the 4th heat exchanger, the 5th heat exchanger,
Six heat exchangers, second reactor, the first Turbine expansion unit and the second Turbine expansion unit；
The outlet of the low pressure hydrogen compressor is connected with the import of high pressure hydrogen compressor, the outlet of high pressure hydrogen compressor
It is connected with the first heat exchanger tube import of First Heat Exchanger, the first heat transfer tube outlet of First Heat Exchanger and changing for first reactor
Heat pipe import is connected, and the heat transfer tube outlet of first reactor is connected with the first heat exchanger tube import of the second heat exchanger, and second
First heat transfer tube outlet of heat exchanger simultaneously with the first heat exchanger tube import of third heat exchanger and the first Turbine expansion unit into
Port is connected, and the first heat transfer tube outlet of the third heat exchanger is connected with the first heat exchanger tube import of the 4th heat exchanger,
First heat transfer tube outlet of the 4th heat exchanger is connected with the first heat exchanger tube import of the 5th heat exchanger, and the first of the 5th heat exchanger
Heat transfer tube outlet is connected with the heat exchanger tube import of the 6th heat exchanger, the heat transfer tube outlet of the 6th heat exchanger and second reactor
Cooling capacity medium entrance is connected, and the cooling capacity media outlet of second reactor is connected with the case entrances of the 6th heat exchanger, and the 6th
The housing outlets of heat exchanger are connected with the second heat exchanger tube import of the 5th heat exchanger, the second heat transfer tube outlet of the 5th heat exchanger
It is connected with the second heat exchanger tube import of the 4th heat exchanger, the of the second heat transfer tube outlet of the 4th heat exchanger and third heat exchanger
Two heat exchanger tube imports are connected, and the second heat transfer tube outlet of third heat exchanger is connected with the second heat exchanger tube import of the second heat exchanger
Logical, the second heat transfer tube outlet of the second heat exchanger is connected with the second heat exchanger tube import of First Heat Exchanger, First Heat Exchanger
Second heat transfer tube outlet is connected with the import of low pressure hydrogen compressor；
The gas outlet of first Turbine expansion unit is connected with the third heat exchanger tube import of the 4th heat exchanger, the 4th heat exchanger
Third heat transfer tube outlet be connected with the air inlet of the second Turbine expansion unit, the gas outlet of the second Turbine expansion unit and the
The case entrances of five heat exchangers are connected, and the housing outlets of the 5th heat exchanger are connected with the case entrances of the 4th heat exchanger, the
The housing outlets of four heat exchangers are connected with the case entrances of third heat exchanger, the housing outlets of third heat exchanger and the second heat exchange
The case entrances of device are connected, and the housing outlets of the second heat exchanger are connected with the case entrances of First Heat Exchanger, the first heat exchange
The housing outlets of device are connected with the import of high pressure hydrogen compressor.
2. the evaporation hydrogen recycling device in liquefaction of hydrogen system according to claim 1, it is characterised in that: first is anti-
The heat transfer tube outlet of device is answered to be connected by absorber with the first heat exchanger tube import of the second heat exchanger.
3. the evaporation hydrogen recycling device in liquefaction of hydrogen system according to claim 1 or 2, it is characterised in that: the
One Turbine expansion unit includes a turbo-expander.
4. the evaporation hydrogen recycling device in liquefaction of hydrogen system according to claim 1 or 2, it is characterised in that: the
Two Turbine expansion units include two turbo-expanders being connected in series.
5. the evaporation hydrogen recycling device in liquefaction of hydrogen system according to claim 1 or 2, it is characterised in that: high
Press the outlet of hydrogen gas compressor close with the labyrinth seal air inlet of the first turbo-expander, the labyrinth of the second turbo-expander simultaneously
The labyrinth seal air inlet of envelope air inlet and third turbo-expander is connected, the labyrinth seal outlet of the first turbo-expander
Mouthful, the labyrinth seal gas outlet of the labyrinth seal gas outlet of the second turbo-expander and third turbo-expander simultaneously and high pressure
The import of hydrogen gas compressor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805055.3U CN208332855U (en) | 2018-05-28 | 2018-05-28 | Evaporation hydrogen recycling device in liquefaction of hydrogen system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805055.3U CN208332855U (en) | 2018-05-28 | 2018-05-28 | Evaporation hydrogen recycling device in liquefaction of hydrogen system |
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| Publication Number | Publication Date |
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| CN208332855U true CN208332855U (en) | 2019-01-04 |
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| CN201820805055.3U Active CN208332855U (en) | 2018-05-28 | 2018-05-28 | Evaporation hydrogen recycling device in liquefaction of hydrogen system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800752A (en) * | 2018-05-28 | 2018-11-13 | 张家港富瑞氢能装备有限公司 | Evaporation hydrogen recycling device in liquefaction of hydrogen system |
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2018
- 2018-05-28 CN CN201820805055.3U patent/CN208332855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800752A (en) * | 2018-05-28 | 2018-11-13 | 张家港富瑞氢能装备有限公司 | Evaporation hydrogen recycling device in liquefaction of hydrogen system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215600 No. 236, Guotai North Road, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Guofu hydrogen energy technology equipment Co.,Ltd. Address before: 215600 Fuxin (new morning) road 19, Zhangjiagang, Suzhou, Zhangjiagang, Jiangsu province Zhangjiagang Furui hydrogen energy equipment Co., Ltd. Patentee before: ZHANGJIAGANG FURUI HYDROGEN ENERGY EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215600 Fuxin (morning) road 19, Yang Shi Town, Zhangjiagang City, Suzhou, Jiangsu. Patentee after: Jiangsu Guofu Hydrogen Energy Technology Equipment Co.,Ltd. Address before: Suzhou City, Jiangsu province 215600 Zhangjiagang Yang Fuxin (morning) Road No. 19 Zhangjiagang Furui hydrogen energy equipment Co. Ltd. Patentee before: ZHANGJIAGANG FURUI HYDROGEN ENERGY EQUIPMENT Co.,Ltd. Address after: 215600 No. 236, Guotai North Road, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Guofu hydrogen energy technology equipment Co.,Ltd. Address before: 215600 Fuxin (morning) road 19, Yang Shi Town, Zhangjiagang City, Suzhou, Jiangsu. Patentee before: Jiangsu Guofu Hydrogen Energy Technology Equipment Co.,Ltd. |