CN116536710A - Hot molten salt heat exchange device and gas-liquid separation device - Google Patents
Hot molten salt heat exchange device and gas-liquid separation device Download PDFInfo
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- CN116536710A CN116536710A CN202310790866.6A CN202310790866A CN116536710A CN 116536710 A CN116536710 A CN 116536710A CN 202310790866 A CN202310790866 A CN 202310790866A CN 116536710 A CN116536710 A CN 116536710A
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- 239000007788 liquid Substances 0.000 title claims abstract description 238
- 150000003839 salts Chemical class 0.000 title claims abstract description 188
- 238000000926 separation method Methods 0.000 title claims abstract description 91
- 239000003792 electrolyte Substances 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000003860 storage Methods 0.000 claims description 102
- 230000017525 heat dissipation Effects 0.000 claims description 100
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 abstract description 27
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000004134 energy conservation Methods 0.000 description 9
- 230000009467 reduction Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B15/087—Recycling of electrolyte to electrochemical cell
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/021—Process control or regulation of heating or cooling
Abstract
The invention relates to the technical field of alkaline water hydrogen production, in particular to a hot molten salt heat exchange device and a gas-liquid separation device, wherein the hot molten salt heat exchange device is used for heating electrolyte in the gas-liquid separation device, and the hot molten salt heat exchange device is used for transmitting heat of hot molten salt to the electrolyte in the gas-liquid separation device, so that the electrolyte can be maintained in a certain temperature range, the time for heating the electrolyte to a preset temperature is saved, and energy and emission are saved.
Description
Technical Field
The invention relates to the technical field of alkaline water hydrogen production, in particular to a hot molten salt heat exchange device and a gas-liquid separation device.
Background
The hydrogen production device by electrolyzing water generally obtains hydrogen and oxygen after electrolyzing alkali liquor. The hydrogen and oxygen discharged from the electrolytic cell, as they carry a large amount of alkali mist (which may be referred to as a gas-liquid mixture), need to be subjected to gas-liquid separation by a gas-liquid separation device to remove the alkali mist.
The alkaline water electrolysis hydrogen production device is a device capable of converting electric energy into hydrogen, and the efficiency of converting the electric energy into the hydrogen increases along with the increase of temperature. The heating energy of the alkaline water hydrogen production electrolytic tank is derived from heat generated by exceeding the thermal neutral voltage in the electrolytic hydrogen production process, so that when the alkaline water electrolytic hydrogen production system does not work, the system temperature can be gradually reduced to normal temperature. Especially when the alkaline water electrolysis hydrogen production system is matched with the renewable power of the photovoltaic energy and the wind power energy, the condition of shutdown often exists, so that the cold start of the alkaline water electrolysis hydrogen production system to the rated working condition needs a long time and special personnel operation is needed.
Disclosure of Invention
The invention provides a hot molten salt heat exchange device, which can maintain the temperature of electrolyte in a gas-liquid separation device, wherein the gas-liquid separation device is communicated with an electrolytic tank, so that the circulation of the electrolyte can be realized, the temperature of the electrolyte in the electrolytic tank can be regulated, the electrolyte in the electrolytic tank can always maintain a preset temperature, and when the electrolytic tank is stopped and restarted, the electrolytic tank can quickly enter a working state, thereby realizing energy conservation and emission reduction.
In view of the above, the present invention provides a hot molten salt heat exchange device, which is used for heating electrolyte inside a gas-liquid separation device, and includes: the hot molten salt storage assembly is arranged outside the gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly; a heat radiation member provided inside the gas-liquid separation device; one end of the liquid inlet component is connected with the hot molten salt storage component, and the other end of the liquid inlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid inlet of the heat dissipation component; one end of the liquid outlet component is connected with the hot molten salt storage component, and the other end of the liquid outlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid outlet of the heat dissipation component; the first power component is arranged on the liquid inlet component.
In some optional embodiments, the hot molten salt storage assembly includes a first hot molten salt storage component, a second hot molten salt storage component, and a heating component, the first hot molten salt storage component and the second hot molten salt storage component are connected through a flow pipe, the flow pipe is provided with a second power component, the first hot molten salt storage component is connected with the liquid inlet component, the second hot molten salt storage component is connected with the liquid outlet component, and the heating component is arranged inside the second hot molten salt storage component.
In some alternative embodiments, the heating element is a heating wire.
In some alternative embodiments, the heating member is spirally wound with a central axis of the heating member coincident with a central axis of the second hot molten salt storage member.
In some alternative embodiments, the first power component and the second power component are both molten salt pumps.
In some alternative embodiments, the liquid inlet component is a liquid inlet pipe, and the liquid inlet pipe is provided with a first one-way valve.
In some alternative embodiments, the liquid outlet member is a liquid outlet pipe provided with a second one-way valve.
In some optional embodiments, the heat dissipation component is a spiral heat dissipation pipeline, the liquid inlet component is connected with an inlet end of the spiral heat dissipation pipeline, and the liquid outlet component is connected with an outlet end of the spiral heat dissipation pipeline.
In some optional embodiments, the spiral heat dissipation pipe is made of any one of copper, aluminum and steel.
In some optional embodiments, the heat dissipation component includes a first heat dissipation element, a plurality of second heat dissipation elements, and a third heat dissipation element, two ends of the second heat dissipation elements are respectively connected to the first heat dissipation element and the third heat dissipation element, the first heat dissipation element is provided with the liquid inlet, and the third heat dissipation element is provided with the liquid outlet.
In some optional embodiments, the first heat dissipating element and the second heat dissipating element are disposed in parallel, and a plurality of the second heat dissipating elements are arrayed in a length direction of the first heat dissipating element and the third heat dissipating element.
In some alternative embodiments, the first heat dissipating element, the plurality of second heat dissipating elements, and the third heat dissipating element are each provided with a heat sink.
In some optional embodiments, the materials of the first heat dissipation element, the third heat dissipation element and the third heat dissipation element are any one of copper, aluminum and steel.
In another aspect, the invention provides a gas-liquid separation device comprising a hot molten salt heat exchange device as defined in any one of the preceding claims.
In some alternative embodiments, the gas-liquid separation device further comprises a housing, a support base, a gas outlet flange, a gas-liquid inlet flange, and a liquid outlet flange; the supporting seat is connected with the bottom of the shell; the liquid outlet flange is connected with the bottom of the shell; the gas outlet flange is connected with the top of the shell; the gas-liquid inlet flange is connected with the side wall of the shell; the heat dissipation part is arranged in the shell; the liquid inlet component penetrates through the shell and is connected with the heat dissipation component; the liquid outlet component penetrates through the shell and is connected with the heat dissipation component.
In some alternative embodiments, the housing includes at least a housing wall and an insulating layer that wraps around an outer surface of the housing wall.
In some alternative embodiments, the liquid inlet component and the housing wall are welded; the tapping member is welded to the housing wall.
In some alternative embodiments, the gas outlet flange is welded to the housing wall.
In some alternative embodiments, the gas-liquid inlet flange is welded to the housing wall.
In some alternative embodiments, the liquid outlet flange is welded to the housing wall.
Compared with the prior art, the invention has the following technical effects:
1. the invention provides a hot molten salt heat exchange device, which is used for heating electrolyte in a gas-liquid separation device and comprises: the device comprises a hot molten salt storage assembly, a first power component, a heat dissipation component, a liquid inlet component and a liquid outlet component, wherein the hot molten salt storage assembly is arranged outside a gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly; the heat dissipation part is arranged in the gas-liquid separation device; one end of the liquid inlet component is connected with the hot molten salt storage component, and the other end of the liquid inlet component penetrates through the gas-liquid separation device to be connected with a liquid inlet of the heat dissipation component; one end of the liquid outlet component is connected with the hot molten salt storage component, and the other end of the liquid outlet component penetrates through the gas-liquid separation device to be connected with a liquid outlet of the heat dissipation component; the first power component is arranged on the liquid inlet component. The first power component is used for conveying the hot molten salt in the hot molten salt storage component to the heat dissipation component through the liquid inlet component, and the hot molten salt circulates to the hot molten salt storage component through the liquid outlet component after circulating from the heat dissipation component, so that the heat of the hot molten salt is transferred to the electrolyte in the gas-liquid separation device, the electrolyte in the gas-liquid separation device can be maintained in a certain temperature range, the gas-liquid separation device is communicated with the electrolytic tank, the circulation of the electrolyte can be realized, the temperature of the electrolyte in the electrolytic tank can be regulated, the electrolyte in the electrolytic tank is always maintained at a preset temperature, and after the electrolytic tank is stopped and restarted, the electrolytic tank can quickly enter a working state, so that energy conservation and emission reduction are realized.
2. The invention provides a gas-liquid separation device, which comprises a hot molten salt heat exchange device, wherein the hot molten salt heat exchange device comprises: the device comprises a hot molten salt storage assembly, a first power component, a heat dissipation component, a liquid inlet component and a liquid outlet component, wherein the hot molten salt storage assembly is arranged outside a gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly; the first power component is arranged outside the gas-liquid separation device and is connected with the hot molten salt storage component; the heat dissipation part is arranged in the gas-liquid separation device; one end of the liquid inlet component is connected with the hot molten salt storage component, and the other end of the liquid inlet component penetrates through the gas-liquid separation device to be connected with a liquid inlet of the heat dissipation component; one end of the liquid outlet component is connected with the hot molten salt storage component, and the other end of the liquid outlet component penetrates through the gas-liquid separation device to be connected with a liquid outlet of the heat dissipation component; the first power component is arranged on the liquid inlet component; the first power component is used for conveying the hot molten salt in the hot molten salt storage component to the heat dissipation component through the liquid inlet component, and the hot molten salt circulates to the hot molten salt storage component through the liquid outlet component after circulating from the heat dissipation component, so that the heat of the hot molten salt is transferred to the electrolyte in the gas-liquid separation device, the electrolyte can be maintained in a certain temperature range, the time for heating the electrolyte to a preset temperature is saved, and the energy conservation and emission reduction are realized.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view showing the structure of a gas-liquid separation apparatus according to an embodiment of the present invention;
FIG. 2 shows a schematic structural view of an alkaline water electrolysis hydrogen plant and a heating coupling section according to an embodiment of the present invention;
FIG. 3 shows a schematic structural diagram of a heat dissipating component according to an embodiment of the present invention;
fig. 4 shows a schematic structural view of a heating member according to an embodiment of the present invention.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 4 is:
1-a hot molten salt storage assembly; 11-a first hot molten salt storage component; 12-a second hot molten salt storage component; 13-heating means; 14-a flow conduit; 15-a second power component; 2-a first power component; 3-a heat sink member; 31-a first heat dissipating element; 32-a second heat sink member; 33-a third heat sink element; 4-a liquid inlet component; 41-a first one-way valve; 5-a liquid outlet part; 51-a second one-way valve; 61-a housing; 611-a housing wall; 612-an insulating layer; 62-a supporting seat; 621-a first support seat; 622-a second support; 63-a gas-liquid inlet flange; 64-a gas outlet flange; 65-liquid outlet flange.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
At present, the water electrolysis hydrogen production system is widely applied due to the advantages of energy conservation and environmental protection. The hydrogen production device by electrolyzing water generally obtains hydrogen and oxygen after electrolyzing alkali liquor. The hydrogen and oxygen discharged from the electrolytic cell, as they carry a large amount of alkali mist (which may be referred to as a gas-liquid mixture), need to be subjected to gas-liquid separation by a gas-liquid separation device to remove the alkali mist.
The alkaline water electrolysis hydrogen production device is a device capable of converting electric energy into hydrogen, and the efficiency of converting the electric energy into the hydrogen increases along with the increase of temperature. The heating energy of the alkaline water hydrogen production electrolytic tank is derived from heat generated by exceeding the thermal neutral voltage in the electrolytic hydrogen production process, so that when the alkaline water electrolytic hydrogen production system does not work, the system temperature can be gradually reduced to normal temperature. Especially when the alkaline water electrolysis hydrogen production system is matched with the renewable power of the photovoltaic energy and the wind power energy, the condition of shutdown often exists, so that the cold start of the alkaline water electrolysis hydrogen production system to the rated working condition needs a long time and special personnel operation is needed.
The invention provides a hot molten salt heat exchange device, which can maintain the temperature of electrolyte in a gas-liquid separation device, wherein the gas-liquid separation device is communicated with an electrolytic tank, so that the circulation of the electrolyte can be realized, the temperature of the electrolyte in the electrolytic tank can be regulated, the electrolyte in the electrolytic tank can always maintain a preset temperature, and when the electrolytic tank is stopped and restarted, the electrolytic tank can quickly enter a working state, thereby realizing energy conservation and emission reduction.
The invention provides a hot molten salt heat exchange device, which is used for heating electrolyte in a gas-liquid separation device, and comprises: the hot molten salt storage assembly 1 is arranged outside the gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly 1; the hot molten salt storage assembly 1 is arranged outside the gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly 1; a heat radiation member 3 provided inside the gas-liquid separation device; one end of the liquid inlet component 4 is connected with the hot molten salt storage component 1, and the other end of the liquid inlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid inlet of the heat dissipation component 3; one end of the liquid outlet component 5 is connected with the hot molten salt storage component 1, and the other end of the liquid outlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid outlet of the heat dissipation component 3; the first power component 2 is arranged on the liquid inlet component 4.
Specifically, the invention provides a hot molten salt heat exchange device, which is used for heating electrolyte in a gas-liquid separation device and comprises: the device comprises a hot molten salt storage assembly 1, a first power component 2, a heat dissipation component 3, a liquid inlet component 4 and a liquid outlet component 5, wherein the hot molten salt storage assembly 1 is arranged outside a gas-liquid separation device, hot molten salt is arranged inside the hot molten salt storage assembly 1, the heat dissipation component 3 is arranged inside the gas-liquid separation device, one end of the liquid inlet component 4 is connected with the hot molten salt storage assembly 1, and the other end of the liquid inlet component penetrates through the gas-liquid separation device and is connected with a liquid inlet of the heat dissipation component 3; one end of a liquid outlet component 5 is connected with the hot molten salt storage component 1, the other end of the liquid outlet component 5 penetrates through the gas-liquid separation device to be connected with a liquid outlet of the heat dissipation component 3, and the first power component 2 is arranged outside the gas-liquid separation device and is connected with the hot molten salt storage component 1; the first power component 2 is used for conveying hot molten salt in the hot molten salt storage component 1 to the heat dissipation component 3 through the liquid inlet component 4, the hot molten salt circulates to the hot molten salt storage component 1 through the liquid outlet component 5 after circulating from the heat dissipation component 3, the hot molten salt storage component 1 heats the hot molten salt again, when electrolyte in the gas-liquid separation component needs to be heated again, the first power component 2 is started, the hot molten salt in the hot molten salt storage component 1 is conveyed to the heat dissipation component 3 again, so that heat of the hot molten salt is conveyed to the electrolyte in the gas-liquid separation device, the electrolyte of the gas-liquid separation device can be maintained in a certain temperature range, the gas-liquid separation device is communicated with the electrolyte tank, circulation of the electrolyte can be achieved, accordingly, the temperature of the electrolyte in the electrolyte tank can be adjusted, the electrolyte in the electrolyte tank is always maintained at a preset temperature, and after the electrolyte tank is stopped and restarted, the electrolyte tank can quickly enter a working state, and energy conservation and emission reduction are achieved.
In some alternative embodiments, the hot molten salt storage assembly 1 comprises a first hot molten salt storage part 11, a second hot molten salt storage part 12 and a heating part 13, wherein the first hot molten salt storage part 11 and the second hot molten salt storage part 12 are connected through a circulation pipeline 14, the circulation pipeline 14 is provided with a second power part 15, the first hot molten salt storage part 11 is connected with the liquid inlet part 4, and the heating part 13 is arranged inside the second hot molten salt storage part 12.
Specifically, the first power component 2 is used for providing power for the liquid inlet component 4, hot molten salt in the first hot molten salt storage component 11 is conveyed to the heat dissipation component 3 through the liquid inlet component 4, and the hot molten salt circulates to the second hot molten salt storage component 12 through the liquid outlet component 5 after circulating from the heat dissipation component 3, so that heat of the hot molten salt is transferred to electrolyte in the gas-liquid separation device, the electrolyte can be maintained in a certain temperature range, the time for heating the electrolyte to a preset temperature is saved, and energy conservation and emission reduction are realized. The second hot molten salt storage part 12 heats the hot molten salt after the cooling, after heating the hot molten salt to preset temperature, the second power part 15 stores the hot molten salt after heating from carrying to the first hot molten salt storage part 11, afterwards, the first power part 2 carries the hot molten salt of the first hot molten salt storage part 11 to the heat dissipation part 3 through the feed liquor part 4, the hot molten salt carries to the second hot molten salt storage part 12 through the play liquid part 5 after the circulation of heat dissipation part 3, thereby realized the circulation of hot molten salt, realized that the hot molten salt dispels the heat at the heat dissipation part 3, thereby heat the inside electrolyte of gas-liquid separation device.
In some alternative embodiments, the heating element 13 is a heating wire. The heating wire can be used for rapidly heating the hot molten salt in the second hot molten salt storage part 12, and the cost of the heating wire is low.
In some alternative embodiments, the heating component 13 is spirally wound, the central axis of the heating component 13 coincides with the central axis along the second hot molten salt storage component 12, the height of the spiral winding of the heating component 13 can reach at least 1/2 of the height of the second hot molten salt storage component 12, the heating component 13 can rapidly heat the hot molten salt in the second hot molten salt storage component 12, the heating efficiency is high, and the heat conversion rate is also higher.
In some alternative embodiments, the first power component 2 and the second power component 15 are both molten salt pumps.
Specifically, the first power component 2 is arranged on the liquid inlet component 4, two ends of the liquid inlet component 4 are respectively connected with the heat dissipation component 3 and the first hot molten salt storage component 11, the heat dissipation component 3 is connected with one end of the liquid outlet component 5, the other end of the liquid outlet component 5 is connected with the second hot molten salt storage component 12, the second hot molten salt storage component 12 and the first hot molten salt storage component 11 are connected through the flow pipeline 14, and the liquid inlet end and the liquid outlet end of the second power component 15 are both connected with the flow pipeline 14. The second power component 15 is capable of pumping the hot molten salt inside the second hot molten salt storage component 12 to the first hot molten salt storage component 11. The first power component 2 can pump the hot molten salt in the first hot molten salt storage component 11 to the heat dissipation component 3, and after the heat dissipation component 3 is heated to a preset temperature, the hot molten salt can flow to the second hot molten salt storage component 12 to form circulation of the hot molten salt.
In some alternative embodiments, the liquid inlet member 4 is a liquid inlet conduit provided with a first one-way valve 41. The first check valve 41 can avoid the backflow of the hot molten salt so that the hot molten salt can always flow from the first hot molten salt storage member 11 toward the heat radiation member 3.
In some alternative embodiments, the tapping member 5 is a tapping line provided with a second one-way valve 51. The second check valve 51 can avoid the backflow of the hot molten salt so that the hot molten salt can always flow from the heat sink 3 to the second hot molten salt storage 12.
In some alternative embodiments, as shown in fig. 4, the heat dissipation component 3 is a spiral heat dissipation pipe, the liquid inlet component 4 is connected with the inlet end of the spiral heat dissipation pipe, and the liquid outlet component 5 is connected with the outlet end of the spiral heat dissipation pipe.
Specifically, the spiral heat dissipation pipeline can lengthen the heat dissipation area to a certain extent, and can lengthen the time that hot molten salt flows at the radiator part 3, so that the hot molten salt can be abundant with the radiator part 3 carry out heat exchange, the radiator part 3 can give the inside electrolyte of gas-liquid separation device with heat transfer, make the inside electrolyte of gas-liquid separation device can remain at certain temperature range all the time, practice thrift the time of heating electrolyte to preset temperature, energy saving and emission reduction.
In some alternative embodiments, as shown in fig. 4, the spiral heat dissipation pipe is made of any one of copper, aluminum, and steel. The heat dissipation performance and the efficiency of copper, aluminum and steel are high.
In some alternative embodiments, as shown in fig. 3, the heat dissipation component 3 includes a first heat dissipation element 31, a plurality of second heat dissipation elements 32, and a third heat dissipation element 33, two ends of the plurality of second heat dissipation elements 32 are respectively connected to the first heat dissipation element 31 and the third heat dissipation element 33, the first heat dissipation element 31 is provided with a liquid inlet, and the third heat dissipation element 33 is provided with the liquid outlet.
Specifically, the first heat dissipating element 31, the plurality of second heat dissipating elements 32 and the third heat dissipating element 33 can lengthen the heat dissipating area to a certain extent, and can lengthen the flowing time of the hot molten salt in the heat dissipating component 3, so that the hot molten salt can fully exchange heat with the heat dissipating component 3, the heat dissipating component 3 can transfer heat to the electrolyte in the gas-liquid separation device, the electrolyte in the gas-liquid separation device can be always maintained in a certain temperature range, the time for heating the electrolyte to a preset temperature is saved, and the energy conservation and emission reduction are realized.
Further, the first heat dissipation element 31, the second heat dissipation element 32 and the third heat dissipation element 33 are heat dissipation pipes, two ends of the plurality of second heat dissipation elements 32 are respectively connected with the first heat dissipation element 31 for welding, and two ends of the plurality of second heat dissipation elements 32 are respectively connected with the third heat dissipation element 33 for welding. The first heat dissipation element 31, the second heat dissipation element 32 and the third heat dissipation element 33 are made of stainless steel.
In some alternative embodiments, the first heat dissipating element 31 and the third heat dissipating element 33 are disposed in parallel, and the plurality of second heat dissipating elements 32 are arranged in an array in the length direction of the first heat dissipating element 31 and the third heat dissipating element 33.
In some alternative embodiments, the first heat dissipating element 31, the plurality of second heat dissipating elements 32, and the third heat dissipating element 33 are each provided with heat sinks.
In some alternative embodiments, the materials of the first heat dissipation element 31, the second heat dissipation element 32, and the third heat dissipation element 33 are any one of copper, aluminum, and steel.
In another aspect, the present invention provides a gas-liquid separation apparatus, the gas-liquid separation apparatus comprising the hot molten salt heat exchange apparatus as defined in any one of the above, the hot molten salt heat exchange apparatus being configured to heat an electrolyte inside the gas-liquid separation apparatus, the gas-liquid separation apparatus comprising: the device comprises a hot molten salt storage assembly 1, a first power component 2, a heat dissipation component 3, a liquid inlet component 4 and a liquid outlet component 5, wherein the hot molten salt storage assembly 1 is arranged outside a gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly 1; a heat radiation member 3 provided inside the gas-liquid separation device; one end of the liquid inlet component 4 is connected with the heat dissipation component 3, and the other end penetrates through the gas-liquid separation device to be connected with a liquid inlet of the heat dissipation component 3; one end of the liquid outlet component 5 is connected with the hot molten salt storage component 1, and the other end penetrates through the gas-liquid separation device to be connected with a liquid outlet of the heat dissipation component 3; the first power component 2 is arranged on the liquid inlet component 4.
Specifically, the gas-liquid separation device includes hot molten salt heat transfer device, and hot molten salt heat transfer device includes: the device comprises a hot molten salt storage assembly 1, a first power component 2, a heat dissipation component 3, a liquid inlet component 4 and a liquid outlet component 5, wherein the hot molten salt storage assembly 1 is arranged outside a gas-liquid separation device, hot molten salt is arranged inside the hot molten salt storage assembly 1, the heat dissipation component 3 is arranged inside the gas-liquid separation device, one end of the liquid inlet component 4 is connected with the hot molten salt storage assembly 1, and the other end of the liquid inlet component penetrates through the gas-liquid separation device and is connected with a liquid inlet of the heat dissipation component 3; one end of a liquid outlet component 5 is connected with the hot molten salt storage component 1, the other end of the liquid outlet component 5 penetrates through the gas-liquid separation device to be connected with a liquid outlet of the heat dissipation component 3, and the first power component 2 is arranged outside the gas-liquid separation device and is connected with the hot molten salt storage component 1; the first power component 2 is used for conveying hot molten salt in the hot molten salt storage component 1 to the heat dissipation component 3 through the liquid inlet component 4, the hot molten salt circulates to the hot molten salt storage component 1 through the liquid outlet component 5 after circulating from the heat dissipation component 3, the hot molten salt storage component 1 heats the hot molten salt again, when electrolyte in the gas-liquid separation component needs to be heated again, the first power component 2 is started, the hot molten salt in the hot molten salt storage component 1 is conveyed to the heat dissipation component 3 again, so that heat of the hot molten salt is conveyed to the electrolyte in the gas-liquid separation device, the electrolyte can be maintained in a certain temperature range, the time for heating the electrolyte to a preset temperature is saved, and energy conservation and emission reduction are realized.
In some alternative embodiments, the gas-liquid separation device further comprises a housing 61, a support base 62, a gas outlet flange 64, a gas-liquid inlet flange 63, and a liquid outlet flange 65; the supporting seat 62 is connected with the bottom of the shell 61; the liquid outlet flange 65 is connected with the bottom of the shell 61; the gas outlet flange 64 is connected to the top of the housing 61; the gas-liquid inlet flange 63 is connected with the side wall of the shell 61; the heat radiation member 3 is provided inside the housing 61; the liquid inlet part 4 penetrates through the shell 61 and is connected with the heat dissipation part 3; the liquid outlet member 5 penetrates the housing 61 and is connected to the heat sink member 3.
Specifically, the support base 62 includes a first support base 621 and a second support base 622, and the first support base 621 and the second support base 622 are disposed at the bottom of the housing 61. The liquid outlet flange 65 is disposed between the first support seat 621 and the second support seat 622.
In some alternative embodiments, housing 61 includes at least a housing wall 611 and an insulation layer 612, insulation layer 612 being wrapped around an outer surface of housing wall 611.
In some alternative embodiments, the liquid inlet member 4 and the housing wall 611 are welded; the tapping member 5 is welded to the housing wall 611. The housing wall 611 is provided with a through hole, the liquid outlet member 5 penetrates the through hole of the housing wall 611, one end of the liquid outlet member 5 is connected with the heat radiation member 3, and the other end of the liquid outlet member 5 is connected with the second hot molten salt storage member 12.
In some alternative embodiments, the gas outlet flange 64 is welded to the housing wall 611, the gas outlet flange 64 being used to vent hydrogen or oxygen.
In some alternative embodiments, gas-liquid inlet flange 63 is welded to housing wall 611, and gas-liquid inlet flange 63 is used to drain electrolyte, allowing circulation of electrolyte through the electrolyzer and gas-liquid separation device.
In some alternative embodiments, the liquid outlet flange 65 is welded to the housing wall 611, the liquid outlet flange 65 being used to convey electrolyte inside the gas-liquid separation device to the electrolyzer.
In the present invention, the term "plurality" means at least two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (20)
1. The utility model provides a hot molten salt heat transfer device for to the inside electrolyte heating of gas-liquid separation device, gas-liquid separation device and electrolysis trough intercommunication, its characterized in that includes:
the hot molten salt storage assembly (1) is arranged outside the gas-liquid separation device, and hot molten salt is arranged inside the hot molten salt storage assembly (1);
a heat radiation member (3) provided inside the gas-liquid separation device;
one end of the liquid inlet component (4) is connected with the hot molten salt storage component (1), and the other end of the liquid inlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid inlet of the heat dissipation component (3);
one end of the liquid outlet component (5) is connected with the hot molten salt storage component (1), and the other end of the liquid outlet component penetrates through the shell of the gas-liquid separation device and is connected with the liquid outlet of the heat dissipation component (3);
the first power component (2) is arranged on the liquid inlet component (4).
2. The hot molten salt heat exchange device according to claim 1, wherein the hot molten salt storage assembly (1) comprises a first hot molten salt storage component (11), a second hot molten salt storage component (12) and a heating component (13), the first hot molten salt storage component (11) and the second hot molten salt storage component (12) are connected through a flow pipeline (14), the flow pipeline (14) is provided with a second power component (15), the first hot molten salt storage component (11) is connected with the liquid inlet component (4), the second hot molten salt storage component (12) is connected with the liquid outlet component (5), and the heating component (13) is arranged inside the second hot molten salt storage component (12).
3. A hot molten salt heat exchange device according to claim 2, characterized in that the heating member (13) is a heating wire.
4. A hot molten salt heat exchange device according to claim 3, wherein the heating member (13) is helically wound, the central axis of the heating member (13) coinciding with the central axis of the second hot molten salt storage member (12).
5. The hot molten salt heat exchange device according to claim 2, characterized in that the first power component (2) and the second power component (15) are both molten salt pumps.
6. The hot molten salt heat exchange device according to claim 1, characterized in that the liquid inlet component (4) is a liquid inlet pipe provided with a first one-way valve (41).
7. The hot molten salt heat exchange device according to claim 1, characterized in that the liquid outlet member (5) is a liquid outlet pipe provided with a second one-way valve (51).
8. The hot molten salt heat exchange device according to claim 1, wherein the heat radiating component (3) is a spiral heat radiating pipe, the liquid inlet component (4) is connected with an inlet end of the spiral heat radiating pipe, and the liquid outlet component (5) is connected with an outlet end of the spiral heat radiating pipe.
9. The hot molten salt heat exchange device of claim 8 wherein the spiral heat dissipating tube is any one of copper, aluminum, and steel.
10. The hot molten salt heat exchange device according to claim 1, wherein the heat radiating member (3) includes a first heat radiating element (31), a plurality of second heat radiating elements (32) and a third heat radiating element (33), both ends of the plurality of second heat radiating elements (32) are respectively connected with the first heat radiating element (31) and the third heat radiating element (33), the first heat radiating element (31) is provided with the liquid inlet, and the third heat radiating element (33) is provided with the liquid outlet.
11. The hot molten salt heat exchange device according to claim 10, wherein the first heat radiating element (31) and the third heat radiating element (33) are arranged in parallel, and a plurality of the second heat radiating elements (32) are arranged in an array in a length direction of the first heat radiating element (31) and the third heat radiating element (33).
12. The hot molten salt heat exchange device according to claim 11, characterized in that the first heat radiating element (31), the plurality of second heat radiating elements (32) and the third heat radiating element (33) are each provided with heat radiating fins.
13. The hot molten salt heat exchange device according to claim 12, characterized in that the material of the first heat radiating element (31), the second heat radiating element (32) and the third heat radiating element (33) is any one of copper, aluminum and steel.
14. A gas-liquid separation apparatus comprising a hot molten salt heat exchange apparatus according to any one of claims 1 to 13.
15. The gas-liquid separation device according to claim 14, further comprising a housing (61), a support seat (62), a gas-liquid inlet flange (63), a gas outlet flange (64) and a liquid outlet flange (65); the supporting seat (62) is connected with the bottom of the shell (61); the liquid outlet flange (65) is connected with the bottom of the shell (61); the gas outlet flange (64) is connected with the top of the shell (61); the gas-liquid inlet flange (63) is connected with the side wall of the shell (61);
the heat dissipation component (3) is arranged in the shell (61);
the liquid inlet component (4) penetrates through the shell (61) and is connected with the heat dissipation component (3);
the liquid outlet component (5) penetrates through the shell (61) and is connected with the heat dissipation component (3).
16. The gas-liquid separation device according to claim 15, wherein the housing (61) comprises at least a housing wall (611) and an insulating layer (612), the insulating layer (612) being wrapped around an outer surface of the housing wall (611).
17. The gas-liquid separation device according to claim 16, characterized in that the liquid inlet member (4) and the housing wall (611) are welded; the tapping member (5) is welded to the housing wall (611).
18. The gas-liquid separation device according to claim 16, characterized in that the gas outlet flange (64) is welded to the housing wall (611).
19. The gas-liquid separation device according to claim 16, characterized in that the gas-liquid inlet flange (63) is welded to the housing wall (611).
20. A gas-liquid separation device according to claim 16, characterized in that the liquid outlet flange (65) is welded to the housing wall (611).
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| CN202310790866.6A CN116536710A (en) | 2023-06-30 | 2023-06-30 | Hot molten salt heat exchange device and gas-liquid separation device |
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| CN202310790866.6A CN116536710A (en) | 2023-06-30 | 2023-06-30 | Hot molten salt heat exchange device and gas-liquid separation device |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2432697A1 (en) * | 1978-08-01 | 1980-02-29 | Electricite De France | Heat exchanger and gas-liquid separator - partic. for application in installations for making hydrogen and oxygen by electrolysis of aq. soln. |
| JPH093680A (en) * | 1995-06-26 | 1997-01-07 | Shinko Pantec Co Ltd | Hydrogen/oxygen generator |
| CN204678459U (en) * | 2015-04-07 | 2015-09-30 | 天津滨海储能技术有限公司 | The hot molten salt energy-storage heating system of trough-electricity |
| CN206235019U (en) * | 2016-11-17 | 2017-06-09 | 江苏中科智储科技有限公司 | A kind of waste heat recovery molten salt energy-storage hot-air system |
| US20180042139A1 (en) * | 2016-08-02 | 2018-02-08 | Qualcomm Incorporated | Multi-layer heat dissipating device comprising heat storage capabilities, for an electronic device |
| CN110670087A (en) * | 2019-11-07 | 2020-01-10 | 北京中电丰业技术开发有限公司 | Controllable rapid heating-up water electrolysis hydrogen production system |
| CN111748822A (en) * | 2020-06-04 | 2020-10-09 | 同济大学 | Comprehensive heat management system of large alkaline electrolyzed water hydrogen production device |
| CN113699538A (en) * | 2021-08-31 | 2021-11-26 | 中国华能集团清洁能源技术研究院有限公司 | Electrolytic hydrogen production system with heat storage function and operation method thereof |
| CN114000163A (en) * | 2021-11-30 | 2022-02-01 | 中国华能集团清洁能源技术研究院有限公司 | Salt-containing wastewater electrolytic hydrogen production system and working method thereof |
| CN114108021A (en) * | 2021-11-19 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Self-heating starting water electrolysis hydrogen production system and operation method thereof |
| CN216620305U (en) * | 2021-11-04 | 2022-05-27 | 首航高科能源技术股份有限公司 | Fused salt electric heating system |
| CN114754579A (en) * | 2022-03-31 | 2022-07-15 | 中南大学 | Method and device for preparing carbon material by pyrolyzing biomass through molten salt heated by solar energy |
| WO2022163987A1 (en) * | 2021-01-29 | 2022-08-04 | (주) 테크윈 | Water electrolysis apparatus |
| CN116024609A (en) * | 2022-12-26 | 2023-04-28 | 北京科技大学 | Electrolytic cell starting system, method, device and storage medium |
| CN116182133A (en) * | 2023-01-12 | 2023-05-30 | 常州瑞华化工工程技术股份有限公司 | Device for producing high-pressure or ultrahigh-pressure steam as byproduct of maleic anhydride device and production method thereof |
| WO2023116015A1 (en) * | 2021-12-22 | 2023-06-29 | 无锡隆基氢能科技有限公司 | Hydrogen production apparatus and method for controlling temperature of electrolytic bath of hydrogen production apparatus |
-
2023
- 2023-06-30 CN CN202310790866.6A patent/CN116536710A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2432697A1 (en) * | 1978-08-01 | 1980-02-29 | Electricite De France | Heat exchanger and gas-liquid separator - partic. for application in installations for making hydrogen and oxygen by electrolysis of aq. soln. |
| JPH093680A (en) * | 1995-06-26 | 1997-01-07 | Shinko Pantec Co Ltd | Hydrogen/oxygen generator |
| CN204678459U (en) * | 2015-04-07 | 2015-09-30 | 天津滨海储能技术有限公司 | The hot molten salt energy-storage heating system of trough-electricity |
| US20180042139A1 (en) * | 2016-08-02 | 2018-02-08 | Qualcomm Incorporated | Multi-layer heat dissipating device comprising heat storage capabilities, for an electronic device |
| CN206235019U (en) * | 2016-11-17 | 2017-06-09 | 江苏中科智储科技有限公司 | A kind of waste heat recovery molten salt energy-storage hot-air system |
| CN110670087A (en) * | 2019-11-07 | 2020-01-10 | 北京中电丰业技术开发有限公司 | Controllable rapid heating-up water electrolysis hydrogen production system |
| CN111748822A (en) * | 2020-06-04 | 2020-10-09 | 同济大学 | Comprehensive heat management system of large alkaline electrolyzed water hydrogen production device |
| WO2022163987A1 (en) * | 2021-01-29 | 2022-08-04 | (주) 테크윈 | Water electrolysis apparatus |
| CN113699538A (en) * | 2021-08-31 | 2021-11-26 | 中国华能集团清洁能源技术研究院有限公司 | Electrolytic hydrogen production system with heat storage function and operation method thereof |
| CN216620305U (en) * | 2021-11-04 | 2022-05-27 | 首航高科能源技术股份有限公司 | Fused salt electric heating system |
| CN114108021A (en) * | 2021-11-19 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Self-heating starting water electrolysis hydrogen production system and operation method thereof |
| CN114000163A (en) * | 2021-11-30 | 2022-02-01 | 中国华能集团清洁能源技术研究院有限公司 | Salt-containing wastewater electrolytic hydrogen production system and working method thereof |
| WO2023116015A1 (en) * | 2021-12-22 | 2023-06-29 | 无锡隆基氢能科技有限公司 | Hydrogen production apparatus and method for controlling temperature of electrolytic bath of hydrogen production apparatus |
| CN114754579A (en) * | 2022-03-31 | 2022-07-15 | 中南大学 | Method and device for preparing carbon material by pyrolyzing biomass through molten salt heated by solar energy |
| CN116024609A (en) * | 2022-12-26 | 2023-04-28 | 北京科技大学 | Electrolytic cell starting system, method, device and storage medium |
| CN116182133A (en) * | 2023-01-12 | 2023-05-30 | 常州瑞华化工工程技术股份有限公司 | Device for producing high-pressure or ultrahigh-pressure steam as byproduct of maleic anhydride device and production method thereof |
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