CN111641349A - Acting device for hydrogen material at ultralow temperature - Google Patents
Acting device for hydrogen material at ultralow temperature Download PDFInfo
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 681
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 681
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 633
- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000011232 storage material Substances 0.000 claims abstract description 272
- 229910052751 metal Inorganic materials 0.000 claims abstract description 242
- 239000002184 metal Substances 0.000 claims abstract description 242
- 238000006243 chemical reaction Methods 0.000 claims abstract description 197
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000010521 absorption reaction Methods 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 238000003795 desorption Methods 0.000 claims abstract description 24
- 238000010248 power generation Methods 0.000 claims abstract description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- -1 titanium chromium hydride Chemical compound 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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Abstract
The invention relates to a work doing device for hydrogen materials at ultralow temperature, which comprises a protective cover, and a B1 metal hydrogen storage material reaction bed, a B2 metal hydrogen storage material reaction bed, a liquid hydrogen pressure pump, a liquid hydrogen heat exchanger, a hydrogen heat exchanger, an air heat exchanger, a hydrogen compressor, a cooling liquefier, a primary piezoelectric device and a secondary piezoelectric device which are arranged in the protective cover. The characteristics of hydrogen absorption and heat release and hydrogen desorption and heat absorption of the metal hydrogen storage material are utilized, and the piezoelectric device is used for applying work to drive working equipment to work or drive power generation equipment to generate power.
Description
Technical Field
The invention belongs to the technical field of comprehensive utilization of energy, and relates to a work doing device made of a hydrogen material at ultralow temperature.
Background
Energy shortage, environmental pollution, global climate change, and the development of clean, efficient, safe and sustainable energy is urgently needed, wherein hydrogen energy is being valued by more and more countries. The engine industry has developed rapidly into the twenty-first century, however, gasoline and diesel engines remain the major engine choices. Gasoline and diesel oil are non-renewable resources, in order to alleviate a series of negative effects caused by the shortage of petroleum resources and reduce atmospheric pollution and exhaust emission of engines, alternative fuels of engines need to be found, and hydrogen energy is the most ideal clean fuel at present. With the stricter environmental protection measures in various countries in the world, hydrogen energy engines have become a key point in engine research and development due to the characteristics of energy conservation, low emission and the like, and have already begun to be commercialized. The traditional hydrogen energy utilization mostly obtains heat energy and kinetic energy through directly burning gaseous hydrogen, but gaseous hydrogen is difficult for storage and transportation, and the obtained hydrogen energy of burning directly can produce a series of influences problems of safe handling such as knockings, unstability on power system.
Disclosure of Invention
The invention aims to provide a working device of a hydrogen material at ultralow temperature, which takes hydrogen as a circulating working medium, utilizes the characteristics of hydrogen absorption, heat release and hydrogen desorption of a metal hydrogen storage material, applies work through a piezoelectric device, drives working equipment to work or drives power generation equipment to generate power, fully utilizes natural energy and industrial waste heat, is favorable for energy conservation and emission reduction and creates economic benefits.
According to a first aspect, the present application provides a work doing device under an ultra-low temperature of a hydrogen material, which includes a protective cover, and a B1 metal hydrogen storage material reaction bed, a B2 metal hydrogen storage material reaction bed, a liquid hydrogen pressurizing pump, a liquid hydrogen heat exchanger, a hydrogen gas heat exchanger, an air heat exchanger, a hydrogen gas compressor, a cooling liquefier, a primary piezoelectric device, and a secondary piezoelectric device disposed in the protective cover.
A first hydrogen discharge outlet of the B1 metal hydrogen storage material reaction bed and a second hydrogen discharge outlet of the B2 metal hydrogen storage material reaction bed are respectively connected with an inlet valve of a hydrogen compressor, an outlet valve of the hydrogen compressor is connected with an inlet of a liquid hydrogen pressurizing pump through a shell pass of a cooling liquefier, an outlet of the liquid hydrogen pressurizing pump is connected with a shell pass inlet of a liquid hydrogen heat exchanger, and a shell pass outlet of the liquid hydrogen heat exchanger is respectively connected with a first hydrogen absorption inlet pipeline of the B1 metal hydrogen storage material reaction bed and a second hydrogen absorption inlet pipeline of the B2 metal hydrogen storage material reaction bed.
A first unabsorbed hydrogen outlet of the B1 metal hydrogen storage material reaction bed and a second unabsorbed hydrogen outlet of the B2 metal hydrogen storage material reaction bed are respectively connected with a shell pass inlet of a hydrogen heat exchanger, a shell pass outlet of the hydrogen heat exchanger is connected with a shell pass inlet of an air heat exchanger, a shell pass outlet of the air heat exchanger is connected with an inlet of a primary piezoelectric device, an outlet of the primary piezoelectric device is connected with a tube pass inlet of the hydrogen heat exchanger, a tube pass outlet of the hydrogen heat exchanger is connected with an inlet of a secondary piezoelectric device, an outlet of the secondary piezoelectric device is connected with a tube pass inlet of a liquid hydrogen heat exchanger, and a tube pass outlet of the liquid hydrogen heat exchanger is respectively connected with a first hydrogen discharge inlet pipeline of the B1 metal hydrogen storage material reaction bed and a second hydrogen discharge inlet pipeline of the B2 metal hydrogen storage material reaction bed.
The first circulating heat exchange outlet of the B1 metal hydrogen storage material reaction bed is connected with the first circulating heat exchange inlet of the B1 metal hydrogen storage material reaction bed through a first circulating heat exchange coil in the cooling liquefier.
And a second circulating heat exchange outlet of the B2 metal hydrogen storage material reaction bed is connected with a second circulating heat exchange inlet of the B2 metal hydrogen storage material reaction bed through a second circulating heat exchange coil in the cooling liquefier.
The first-stage piezoelectric device and the second-stage piezoelectric device are powered outwards and provide self-power through the power storage and sending unit.
Be provided with nitrogen gas heat transfer coil and air heat transfer coil in the air heat exchanger, nitrogen gas heat transfer coil's tube side entry and tube side export all set up in the guard shield, and air heat transfer coil's tube side entry and tube side export all set up outside the guard shield.
Furthermore, an internal heat exchange circulating pipeline and an internal heat exchange circulating pump are arranged between the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed.
Further, the reaction bed of the B1 metal hydrogen storage material and the reaction bed of the B2 metal hydrogen storage material have the same structure. The upper parts of the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed are respectively provided with a gas distributor. The middle parts of the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed are both metal hydrogen storage material filler layers. Metal filter screens are respectively arranged under the metal hydrogen storage material filler layers in the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed.
Further, the safety cover is provided with a combustible gas alarm and a protective gas inlet, the protective gas inlet is provided with a valve, and gas filled in the safety cover comprises but is not limited to hydrogen, helium and nitrogen.
Furthermore, the metal hydrogen storage materials filled in the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed are the same, the filling amount is allowed to be the same or different, the hydrogen absorption/desorption operation of the metal hydrogen storage material reaction bed and the metal hydrogen storage material reaction bed is realized by switching valves, and the switching frequency can be adjusted according to the process conditions. The amount of the metal hydrogen storage material filled in the single metal hydrogen storage material reaction bed is allowed to have redundancy, so that the hydrogen absorbing and releasing rate of each time can meet the requirement of rapid high-low pressure switching, and the redundancy equivalent multiple can be adjusted according to the process conditions. A 1-fold redundant equivalent is the minimum amount of metallic hydrogen storage material required for a single hydrogen absorption saturation of the metallic hydrogen storage material throughout a complete process cycle.
Furthermore, the heat exchange in the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed adopts a mode that hydrogen directly enters the metal hydrogen storage material reaction bed for heat exchange. The metallic hydrogen storage material stored in the B1 metallic hydrogen storage material reactor bed and the B2 metallic hydrogen storage material reactor bed may be any combination of any particle size, while the metallic hydrogen storage material may be solid or hollow. The metal hydrogen storage material is strictly limited in the metal filter screens in the B1 metal hydrogen storage material reaction bed and the B2 metal hydrogen storage material reaction bed, any metal hydrogen storage material particles are not allowed to overflow out of the metal filter screens, and the metal filter screens only allow hydrogen or liquid hydrogen to enter and exit.
The metal hydrogen storage material is a metal hydrogen storage material working combination with positive temperature correlation, and the hydrogen absorption/desorption state point and the working point parameter of the metal hydrogen storage material can be adjusted at will according to the process requirement. The metal hydrogen storage material with positive correlation of temperature does work by absorbing high-pressure hydrogen at high temperature to release high-temperature heat and releasing low-pressure hydrogen at low temperature to release low-temperature cold. Absorbing hydrogen to release high-temperature heat at high temperature, and utilizing the metal hydrogen storage material reaction bed to directly exchange heat to heat the working hydrogen. The system at least has one negative pressure unit, or the negative pressure of the metal hydrogen storage material, or the negative pressure of hydrogen liquefaction, or the combination of the above negative pressures. The heat exchange of the working hydrogen at low temperature is to absorb heat when the metal hydrogen storage material releases low-pressure hydrogen at low temperature, and the low-temperature cold energy generated by the metal hydrogen storage material is used for cooling the working hydrogen for liquefaction.
Further, the device also comprises a communication module. The power storage and delivery unit communicates with a work-producing device including, but not limited to, a satellite, a base station, or other hydrogen material at ultra-low temperatures via a communication module.
The device is applied to wearable equipment, mobile equipment, traffic equipment, fixed equipment, household equipment, kitchen stoves, power generation equipment, clothing and shoes, power equipment or building equipment. Alternatively, the device is applied to high-speed rails, trucks, warships, airplanes, aviation equipment, tanks, armored vehicles, civil ships or engineering machinery.
According to a second aspect, the present application provides another work-doing device with hydrogen material at ultra-low temperature, which includes a protective cover, and a B1 metal hydrogen storage material reaction bed, a B2 metal hydrogen storage material reaction bed, a liquid hydrogen pressurizing pump, a liquid hydrogen heat exchanger, a hydrogen gas compressor, a cooling liquefier, an air heat exchanger, a primary piezoelectric device, and a secondary piezoelectric device disposed in the protective cover.
A first hydrogen discharge outlet of the B1 metal hydrogen storage material reaction bed and a second hydrogen discharge outlet of the B2 metal hydrogen storage material reaction bed are respectively connected with an inlet of a hydrogen compressor; the outlet of the hydrogen compressor is connected with the inlet of the liquid hydrogen pressurizing pump through the shell side of the cooling liquefier; the outlet of the liquid hydrogen pressurizing pump is connected with the shell side inlet of the liquid hydrogen heat exchanger; the shell side outlet of the liquid-hydrogen heat exchanger is respectively connected with a first hydrogen absorption inlet pipeline of the B1 metal hydrogen storage material reaction bed and a second hydrogen absorption inlet pipeline of the B2 metal hydrogen storage material reaction bed.
A first unabsorbed hydrogen outlet of the B1 metal hydrogen storage material reaction bed and a second unabsorbed hydrogen outlet of the B2 metal hydrogen storage material reaction bed are respectively connected with a shell pass inlet of the hydrogen heat exchanger; the shell pass outlet of the hydrogen heat exchanger is connected with the shell pass inlet of the air heat exchanger; the shell pass outlet of the air heat exchanger is connected with the inlet of the first-stage piezoelectric device, the outlet of the first-stage piezoelectric device is connected with the tube pass inlet of the hydrogen heat exchanger, the tube pass outlet of the hydrogen heat exchanger is connected with the inlet of the second-stage piezoelectric device, the outlet of the second-stage piezoelectric device is connected with the tube pass inlet of the liquid hydrogen heat exchanger, and the tube pass outlet of the liquid hydrogen heat exchanger is connected with the shell pass inlet of the cooling liquefier.
The first-stage piezoelectric device and the second-stage piezoelectric device are powered outwards and provide self-power through the power storage and sending unit.
Be provided with nitrogen gas heat transfer coil and air heat transfer coil in the air heat exchanger, nitrogen gas heat transfer coil's tube side entry and tube side export all set up in the guard shield, and air heat transfer coil's tube side entry and tube side export all set up outside the guard shield.
The invention discloses a working device for hydrogen materials at ultralow temperature, wherein metal hydrides are filled in a B1 metal hydrogen storage material reaction bed and a B2 metal hydrogen storage material reaction bed, the metal hydrides are used for cooling or heating the working hydrogen by utilizing the characteristics of hydrogen absorption, heat release and hydrogen release of the metal hydrides, meanwhile, the pressure of the working hydrogen in the device is changed, the piezoelectric device is used for working, working equipment is driven to work or power generation equipment is driven to generate power, the natural energy and industrial waste heat are fully utilized, and the working device is beneficial to energy conservation and emission reduction and creation of economic benefits. The working device disclosed by the invention is arranged on vehicles such as ships and other equipment, can utilize energy carried by other natural substances to drive the piezoelectric device to work through working medium circulation, and converts Kouleapu hydrogen energy into mechanical energy so as to drive the vehicles to run, thereby realizing green traffic and power generation. The energy of Coreplus hydrogen is defined to include, but is not limited to, that produced by the combination of natural energy and similar devices of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of a work-doing device under an ultralow temperature of a hydrogen material provided in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a metallic hydrogen storage material reactor bed according to the present invention;
FIG. 3 is a diagram showing the operating conditions of the metallic hydrogen storage material according to example 1;
FIG. 4 is a schematic diagram of the connection structure between the reaction bed of the metal hydrogen storage material and the hydrogen compressor and cooling liquefier in example 1 of the present invention;
fig. 5 is a schematic structural diagram of a work-doing device under an ultralow temperature of a hydrogen material provided in embodiment 2 of the present invention;
fig. 6 is a schematic view of the connection structure between the metal hydrogen storage material reaction bed and the hydrogen compressor and cooling liquefier in example 2 of this invention.
Wherein: 4-B1 metallic hydrogen storage material reaction bed, 5-B2 metallic hydrogen storage material reaction bed, 17-gas distributor, 18-metallic filter screen, 25-replacement device, 26-nitrogen heat exchange coil, 27-shielding gas inlet, 28-protective cover, 29-flammable gas alarm, 30-three-way valve, 32-hydrogen heat exchanger, 33-hydrogen compressor, 34-cooling liquefier, 39-first hydrogen absorption inlet pipeline, 40-first unabsorbed hydrogen outlet, 41-first hydrogen discharge inlet pipeline, 42-first hydrogen discharge outlet, 39 '-second hydrogen absorption inlet pipeline, 40' -second unabsorbed hydrogen outlet, 41 '-second hydrogen discharge inlet pipeline, 42' -second hydrogen discharge outlet, 45-air heat exchanger, 46-air heat exchange coil, 47-primary piezoelectric device, 48-secondary piezoelectric device, 49-electric power storage and external delivery unit, 50-liquid hydrogen pressurizing pump, 51-liquid hydrogen heat exchanger, 52 — communication module.
Detailed Description
The present invention will be described in detail with reference to the following examples and drawings. The scope of protection of the invention is not limited to the embodiments, and any modification made by those skilled in the art within the scope defined by the claims also falls within the scope of protection of the invention.
Example 1:
the embodiment of the invention provides a work-doing device for hydrogen materials at ultralow temperature, which comprises a B1 metal hydrogen storage material reaction bed 4, a B2 metal hydrogen storage material reaction bed 5, a liquid hydrogen pressurizing pump 50, a liquid hydrogen heat exchanger 51, a hydrogen heat exchanger 32, a hydrogen compressor 33, a cooling liquefier 34, an air heat exchanger 45, a primary piezoelectric device 47 and a secondary piezoelectric device 48, as shown in figure 1.
The B1 metal hydrogen storage material reaction bed 4 is provided with a first hydrogen absorption inlet pipeline 39, a first unabsorbed hydrogen outlet 40, a first hydrogen discharge inlet pipeline 41 and a first hydrogen discharge outlet 42, the first hydrogen absorption inlet pipeline 39 and the first hydrogen discharge inlet pipeline 41 are connected with the same inlet of the B1 metal hydrogen storage material reaction bed 4 through a three-way valve, the same inlet is arranged above the gas distributor 17, so that hydrogen entering the B1 metal hydrogen storage material reaction bed 4 is uniformly distributed, and the first hydrogen absorption inlet pipeline 39 and the first hydrogen discharge inlet pipeline 41 are also allowed to respectively enter the B1 metal hydrogen storage material reaction bed 4 through different inlets. The B2 metal hydrogen storage material reaction bed 5 is provided with a second hydrogen absorption inlet pipeline 39 ', a second unabsorbed hydrogen outlet 40', a second hydrogen discharge inlet pipeline 41 'and a second hydrogen discharge outlet 42', the second hydrogen absorption inlet pipeline 39 'and the second hydrogen discharge inlet pipeline 41' are connected with the same inlet of the B2 metal hydrogen storage material reaction bed 5 through a three-way valve, the same inlet is arranged above the gas distributor 17, so that the hydrogen entering the B2 metal hydrogen storage material reaction bed 5 is uniformly distributed, and the second hydrogen absorption inlet pipeline 39 'and the second hydrogen discharge inlet pipeline 41' are allowed to respectively enter the B2 metal hydrogen storage material reaction bed 5 through different inlets.
The B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5 are both provided with an internal circulation bypass, and a hydrogen internal circulation pump is arranged on the internal circulation bypass and is used for the circulation reciprocation of hydrogen medium in the bed layer to stabilize the operation working condition when the metal hydrogen storage material reaction bed is used for hydrogen absorption and hydrogen desorption.
The first hydrogen discharge outlet 42 of the B1 metal hydrogen storage material reaction bed 4 and the second hydrogen discharge outlet 42 'of the B2 metal hydrogen storage material reaction bed 5 are respectively connected with the inlet of a hydrogen compressor 33, the outlet of the hydrogen compressor 33 is connected with the inlet of a liquid hydrogen pressurizing pump 50 through the shell side of a cooling liquefier 34, the outlet of the liquid hydrogen pressurizing pump 50 is connected with the shell side inlet of a liquid hydrogen heat exchanger 51, and the shell side outlet of the liquid hydrogen heat exchanger 51 is respectively connected with the first hydrogen absorption inlet pipeline 39 of the B1 metal hydrogen storage material reaction bed 4 and the second hydrogen absorption inlet pipeline 39' of the B2 metal hydrogen storage material reaction bed 5.
A first unabsorbed hydrogen outlet 40 of the B1 metal hydrogen storage material reaction bed 4 and a second unabsorbed hydrogen outlet 40 'of the B2 metal hydrogen storage material reaction bed 5 are respectively connected with a shell side inlet of the hydrogen heat exchanger 32, a shell side outlet of the hydrogen heat exchanger 32 is connected with a shell side inlet of the air heat exchanger 45, a shell side outlet of the air heat exchanger 45 is connected with an inlet of the first-stage piezoelectric device 47, an outlet of the first-stage piezoelectric device 47 is connected with a tube side inlet of the hydrogen heat exchanger 32, a tube side outlet of the hydrogen heat exchanger 32 is connected with an inlet of the second-stage piezoelectric device 48, an outlet of the second-stage piezoelectric device 48 is connected with a tube side inlet of the liquid hydrogen heat exchanger 51, and a tube side outlet of the liquid hydrogen heat exchanger 51 is connected with a first hydrogen discharge inlet pipeline 41 of the B1 metal hydrogen storage material reaction bed 4 and a second hydrogen discharge inlet pipeline 41' of the B2. The primary piezoelectric device 47 and the secondary piezoelectric device 48 are supplied with power from the power storage and delivery unit 49.
Fig. 4 shows a schematic diagram of the connection structure between the B1 metallic hydrogen storage material reaction bed 4 or the B2 metallic hydrogen storage material reaction bed 5 and the hydrogen compressor 33 and the cooling liquefier 34. The hydrogen compressor 33 is used for pressurizing hydrogen from the metal hydrogen storage material reaction bed so as to facilitate liquefaction; the cooling liquefier 34 liquefies the hydrogen gas using the cooling energy generated by the metallic hydrogen storage material reaction bed during the hydrogen desorption and heat absorption. Some metal hydrogen storage material reaction beds carry out hydrogen liquefaction in the metal hydrogen storage material reaction beds, and have the defect that liquid hydrogen cannot be discharged in time. Therefore, the embodiment of the application provides a technical scheme of carrying out pressurization liquefaction outside the metal hydrogen storage material reaction bed. After hydrogen is supercooled in the metal hydrogen storage material reaction bed after the hydrogen discharge operation, the hydrogen is pressurized by a hydrogen compressor 33, and finally, the cold energy generated by the hydrogen discharge and heat absorption of the metal hydrogen storage material reaction bed after the hydrogen discharge operation is utilized in a cooling liquefier 34 to realize liquefaction.
The system is provided with a protective cover 28, the protective cover 28 is provided with a combustible gas alarm 29 and a protective gas inlet 27, the protective gas inlet 27 is provided with a valve, and the gas filled in the protective cover is nitrogen, so that other gases such as hydrogen, helium and the like are not excluded. The protective cover and all pipelines are provided with internal heat preservation and external heat preservation or internal and external heat preservation, the pressure in the protective cover is 0.11MPa, and the temperature is-137 ℃.
The specific structures of the B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5 are shown in figure 2: the upper part of the reaction bed is provided with a gas distributor 17 for ensuring uniform gas inlet, the middle part is provided with a metal hydrogen storage material packing layer, a metal filter screen 18 is arranged below the packing layer, the metal filter screen prevents the metal hydrogen storage material from being discharged, and liquid hydrogen and gaseous hydrogen are allowed to be discharged.
The B1 metal hydrogen storage material reaction bed 4 or the B2 metal hydrogen storage material reaction bed 5 is respectively connected with the metal hydrogen storage material replacing device 25 through an adding and extracting port, and the metal hydrogen storage material in the bed layer can be taken out and filled through the metal hydrogen storage material replacing device 25. The replacement frequency of the metal hydrogen storage material in the reaction bed can be set arbitrarily according to the actual needs of working conditions so as to improve the activity of the metal hydrogen storage material, and the replacement mode comprises but is not limited to gas transportation and mechanical transportation.
The B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5 are used for cooling the hydrogen entering from the hydrogen inlet and providing cold energy for the cooling liquefier 34 to liquefy the hydrogen when the hydrogen is discharged and absorbed at low temperature and low pressure. The B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5 are used for heating the hydrogen entering from the hydrogen absorption inlet when absorbing hydrogen at relatively high temperature and high pressure and releasing heat. The hydrogen heat exchanger 32 is used for balancing cold energy/heat energy when absorbing and desorbing hydrogen between the B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5.
The reaction beds of B1 metal hydrogen storage material 4 and B2 metal hydrogen storage material 5 alternately perform hydrogen absorption/desorption operations, and are switched for one cycle each time alternately, for example: in any cycle, the B1 metal hydrogen storage material reaction bed 4 is in hydrogen absorption operation, and the B2 metal hydrogen storage material reaction bed 5 is in hydrogen desorption operation; then in the next cycle, the B1 metallic hydrogen storage material reaction bed 4 is switched to the hydrogen discharge operation and the B2 metallic hydrogen storage material reaction bed 5 is switched to the hydrogen absorption operation. An internal heat exchange circulation bypass is arranged between the B1 metal hydrogen storage material reaction bed 4 and the B2 metal hydrogen storage material reaction bed 5, and is used for cold/heat exchange when the two are switched to prepare at the tail end of each circulation. The temperature of the metal hydrogen storage material reaction bed for hydrogen absorption operation in the current cycle can be reduced, so that preparation is made for switching to hydrogen discharge operation; and the temperature of the metal hydrogen storage material reaction bed for hydrogen discharging operation in the current cycle rises to prepare for switching to hydrogen absorbing operation.
In one embodiment, the metallic hydrogen storage materials in the B1 metallic hydrogen storage material reaction bed 4 and the B2 metallic hydrogen storage material reaction bed 5 are the same, the loading amount is allowed to be the same, and the loading amount is also allowed to be different, and the hydrogen absorption/desorption operation is alternately performed through valve switching. The amount of the metal hydrogen storage material filled in the single metal hydrogen storage material reaction bed is allowed to have redundancy, so that the hydrogen absorbing and releasing rate at each time can meet the requirement of rapid high-low pressure switching, and the redundancy equivalent multiple can be adjusted according to the process conditions (1-time redundancy equivalent refers to the minimum amount of the metal hydrogen storage material required when the metal hydrogen storage material is saturated by absorbing hydrogen at a time in the whole complete process cycle).
The hydrogen storage materials of the B1 metallic hydrogen storage material reactor bed 4 and the B2 metallic hydrogen storage material reactor bed 5 include, but are not limited to, titanium-based metallic hydrogen storage materials. Specifically, the metal hydrogen storage material is titanium chromium hydride, and the hydrogen absorption working condition is as follows: -195 ℃, 3.5MPa, and the hydrogen discharge working condition is as follows: at-252.8 ℃ and 0.1 MPa. The average hydrogen absorption/desorption rate of a single metal hydrogen storage material reaction bed is 2.5g/s, the redundancy equivalent is 1.5 times, the loading amount of the metal hydrogen storage material is 1.67L, the cycle switching time is 12s, namely, the cycle switching is carried out once every 12s, and the hydrogen absorption operation at relatively high temperature and high pressure (-195 ℃ and 3.5 MPa) is converted into the hydrogen desorption operation at low pressure and low temperature (-252.8 ℃ and 0.1 MPa), or the hydrogen desorption operation at low pressure and low temperature (-252.8 ℃ and 0.1 MPa) is converted into the hydrogen absorption operation at relatively high temperature and high pressure (-195 ℃ and 3.5 MPa). The saturation of the metal hydrogen storage material at the beginning of hydrogen absorption is 16.5%, the saturation at the end of hydrogen absorption is 83.5%, and the saturation is recovered to 16.5% after the end of hydrogen desorption. The net output power of the system is 28.21 kW.
The metal hydrogen storage material of the embodiment is a metal hydrogen storage material with positive correlation of temperature, and can release heat when absorbing hydrogen and provide low-temperature cold when releasing hydrogen. In order to improve the hydrogen absorption and desorption rate of the metal hydrogen storage material reaction bed, the hydrogen absorption/desorption state point and the working point parameter of the metal hydrogen storage material can be adjusted at will according to the process requirement. The metal hydrogen storage material with positive correlation of temperature is defined as absorbing high-pressure hydrogen at high temperature to release high-temperature heat and releasing low-pressure hydrogen at low temperature to release low-temperature cold; absorbing hydrogen to release high-temperature heat at high temperature, and utilizing the metal hydrogen storage material reaction bed to directly exchange heat to heat the working hydrogen; the system at least has one negative pressure unit, or the negative pressure of the metal hydrogen storage material, or the negative pressure of hydrogen liquefaction, or the combination of the above negative pressures; the heat exchange of the working hydrogen at low temperature is to absorb heat when the metal hydrogen storage material releases low-pressure hydrogen at low temperature, and the low-temperature cold energy generated by the metal hydrogen storage material is used for cooling the working hydrogen for liquefaction.
The specific working process is as follows:
the metal hydrogen storage material B of the B1 metal hydrogen storage material reaction bed 4 absorbs heat at the temperature of-252.8 ℃ and releases 0.1MPa hydrogen, the hydrogen release rate is 2.5g/s, meanwhile, the hydrogen at-242 ℃ and 0.1MPa at the outlet of the secondary piezoelectric device after heat exchange enters the B1 metal hydrogen storage material reaction bed 4 and is cooled to-252.8 ℃; hydrogen gas with the pressure of 32.3g/s, -252.8 ℃ and 0.1MPa which is discharged from the B1 metal hydrogen storage material reaction bed 4 is pressurized to 0.28MPa and-242.32 ℃ by a hydrogen compressor 33 and then is sent into a cooling liquefier 34; the hydrogen gas at 32.3g/s and 0.28MPa and the temperature of-242.32 ℃ is completely condensed into liquid hydrogen at-248.8 ℃ in the cooling liquefier 34; liquid hydrogen with the temperature of 32.3g/s, -248.8 ℃ and 0.28MPa is compressed to 3.5 MPa-246.73 ℃ by a liquid hydrogen pressure pump 50; the liquid hydrogen at the outlet of the liquid hydrogen pressure pump 50 and the pressure of 3.5MPa and the temperature of-246.73 ℃ exchanges heat with the hydrogen in the tube pass of the liquid hydrogen heat exchanger 51, and the temperature is raised to-231.81 ℃; 32.3g/s, -231.81 ℃ and 3.5MPa hydrogen enters from a second hydrogen absorption inlet pipeline 39' of the B2 metal hydrogen storage material reaction bed 5, wherein 2.5g/s hydrogen is absorbed by the B2 metal hydrogen storage material reaction bed 5, and the rest 29.8g/s hydrogen absorbs the hydrogen absorption reaction heat of the B2 metal hydrogen storage material reaction bed 5 and then is further heated to-195 ℃; hydrogen of-195 ℃, 3.5MPa and 29.8g/s is sent to the hydrogen heat exchanger 32 from a second unabsorbed hydrogen outlet 40' of the B2 metal hydrogen storage material reaction bed 5 to exchange heat with the hydrogen from the outlet of the primary piezoelectric device 47, then the temperature is raised to-174.2 ℃, then the hydrogen enters the air heat exchanger 45 to exchange heat with the protective nitrogen in the protective cover 28 and the atmospheric environment air to raise the temperature to-75 ℃, and the hydrogen after temperature rise enters the primary piezoelectric device 47 to do work and generate power; the hydrogen at the outlet of the first-stage piezoelectric device 47 is 0.6MPa and the temperature of the hydrogen at minus 148.42 ℃ is sent to the tube pass heat exchange of the hydrogen heat exchanger 32 to be cooled to minus 170.33 ℃, then the hydrogen is sent to the second-stage piezoelectric device 48 to continue work and generate power, and finally the hydrogen at the outlet of the second-stage piezoelectric device 48 is cooled to minus 242 ℃ through the liquid hydrogen heat exchanger 51 and sent to the first hydrogen discharge inlet pipeline 41 of the B1 metal hydrogen storage material reaction bed 4 to be cooled and liquefied; when the B1 metallic hydrogen storage material reaction bed 4 finishes discharging hydrogen and the B2 metallic hydrogen storage material reaction bed 5 finishes absorbing hydrogen, the two are switched to absorbing/discharging hydrogen. After the switching, the work flow of the B2 metallic hydrogen storage material reaction bed 5 is similar to the work flow of the B1 metallic hydrogen storage material reaction bed 4.
In a particular embodiment, the apparatus shown in fig. 1 may further include a communication module 52. Specifically, the power storage and delivery unit 49 communicates with a work-producing device including, but not limited to, a satellite, a base station, or other hydrogen material at ultra-low temperatures via a communication module 52. In practical applications, the communication module 52 can be disposed outside the protection cover 28, so as to avoid that the normal operation of the communication module 52 is affected due to the excessive difference between the temperature inside the protection cover 28 and the room temperature or the ambient temperature. The communication module 52 is connected to and communicates with the power storage and transmission unit 49 provided inside the protection cover 28 through a communication interface. The user is allowed to place the communication module 52 within the protective cover 28 when selecting a communication module 52 that is suitable for the conditions of temperature, humidity, etc. within the protective cover 28. The communication module 52 may communicate other information such as operating conditions, location, etc. to a work implement including, but not limited to, a satellite, a base station, or other hydrogen material at ultra-low temperatures.
With appropriate shape and size adjustment, the apparatus as shown in fig. 1 can be applied to wearable devices, mobile devices, traffic devices, stationary devices, household devices, kitchen hobs, power generation devices, clothing footwear, power devices, or construction devices. Furthermore, the apparatus shown in fig. 1 may be applied to high-speed rails, trucks, warships, airplanes, aircraft, tanks, armored vehicles, civil ships, or engineering machines.
Example 2:
The B1 metal hydrogen storage material reaction bed 4 is provided with a first hydrogen absorption inlet pipeline 39, a first unabsorbed hydrogen outlet 40 and a first hydrogen discharge outlet 42, the first hydrogen absorption inlet pipeline 39 is connected with the B1 metal hydrogen storage material reaction bed 4, and the inlet of the first hydrogen absorption inlet pipeline 39 is arranged above the gas distributor 17, so that hydrogen entering the B1 metal hydrogen storage material reaction bed 4 is uniformly distributed. The B2 metal hydrogen storage material reaction bed 5 is provided with a second hydrogen absorption inlet pipeline 39 ', a second non-absorbed hydrogen outlet 40 ' and a second hydrogen discharge outlet 42 ', the second hydrogen absorption inlet pipeline 39 ' is connected with the B2 metal hydrogen storage material reaction bed 5, and the inlet of the second hydrogen absorption inlet pipeline 39 ' is arranged above the gas distributor 17, so that the hydrogen entering the B2 metal hydrogen storage material reaction bed 5 is uniformly distributed.
The first hydrogen discharge outlet 42 of the B1 metal hydrogen storage material reaction bed 4 and the second hydrogen discharge outlet 42 'of the B2 metal hydrogen storage material reaction bed 5 are respectively connected with the inlet of a hydrogen compressor 33, the outlet of the hydrogen compressor 33 is connected with the inlet of a liquid hydrogen pressurizing pump 50 through the shell side of a cooling liquefier 34, the outlet of the liquid hydrogen pressurizing pump 50 is connected with the shell side inlet of a liquid hydrogen heat exchanger 51, and the shell side outlet of the liquid hydrogen heat exchanger 51 is respectively connected with the first hydrogen absorption inlet pipeline 39 of the B1 metal hydrogen storage material reaction bed 4 and the second hydrogen absorption inlet pipeline 39' of the B2 metal hydrogen storage material reaction bed 5.
The first unabsorbed hydrogen outlet 40 of the B1 metal hydrogen storage material reaction bed 4 and the second unabsorbed hydrogen outlet 40' of the B2 metal hydrogen storage material reaction bed 5 are respectively connected with a shell side inlet of the hydrogen heat exchanger 32, a shell side outlet of the hydrogen heat exchanger 32 is connected with a shell side inlet of the air heat exchanger 45, a shell side outlet of the air heat exchanger 45 is connected with an inlet of the first-stage piezoelectric device 47, an outlet of the first-stage piezoelectric device 47 is connected with a tube side inlet of the hydrogen heat exchanger 32, a tube side outlet of the hydrogen heat exchanger 32 is connected with an inlet of the second-stage piezoelectric device 48, an outlet of the second-stage piezoelectric device 48 is connected with a tube side inlet of the liquid hydrogen heat exchanger 51, and a tube side outlet of the liquid hydrogen heat exchanger 51 is connected with a shell side inlet. The primary piezoelectric device 47 and the secondary piezoelectric device 48 are supplied with power from the power storage and delivery unit 49.
Fig. 6 shows a schematic diagram of the connection structure between the B1 metallic hydrogen storage material reaction bed 4 or the B2 metallic hydrogen storage material reaction bed 5 and the hydrogen compressor 33 and the cooling liquefier 34. The hydrogen compressor 33 is used for pressurizing hydrogen from the metal hydrogen storage material reaction bed so as to facilitate liquefaction; the cooling liquefier 34 liquefies the hydrogen gas using the cooling energy generated by the metallic hydrogen storage material reaction bed during the hydrogen desorption and heat absorption. Some metal hydrogen storage material reaction beds carry out hydrogen liquefaction in the metal hydrogen storage material reaction beds, and have the defect that liquid hydrogen cannot be discharged in time. Therefore, the embodiment of the application provides a technical scheme of carrying out pressurization liquefaction outside the metal hydrogen storage material reaction bed. The metal hydrogen storage material reaction bed releases hydrogen to release overcooled 2.5g/s hydrogen, the hydrogen is pressurized by a hydrogen compressor 33, and finally the metal hydrogen storage material reaction bed releases hydrogen and absorbs heat to generate cold energy to realize liquefaction in a cooling liquefier 34. The hydrogen gas with the pressure of 37.5g/s and 0.28MPa from the tube pass outlet of the liquid hydrogen heat exchanger 51 is mixed with the hydrogen gas at the outlet of the hydrogen compressor 33, and then enters the cooling liquefier 34 together, and the liquefaction is realized by utilizing the cold energy generated by the hydrogen discharge and heat absorption of the metal hydrogen storage material reaction bed after the hydrogen discharge operation.
The hydrogen storage materials of the B1 metallic hydrogen storage material reactor bed 4 and the B2 metallic hydrogen storage material reactor bed 5 include, but are not limited to, titanium-based metallic hydrogen storage materials. Specifically, the metal hydrogen storage material is titanium chromium hydride, and the hydrogen absorption working condition is as follows: -195 ℃, 3.5MPa, and the hydrogen discharge working condition is as follows: at-252.8 ℃ and 0.1 MPa. The average hydrogen absorption/desorption rate of a single metal hydrogen storage material reaction bed is 2.5g/s, the redundancy equivalent is 1.5 times, the loading amount of the metal hydrogen storage material is 1.67L, the cycle switching time is 12s, namely, the cycle switching is carried out once every 12s, and the hydrogen absorption operation at relatively high temperature and high pressure (-195 ℃ and 3.5 MPa) is converted into the hydrogen desorption operation at low pressure and low temperature (-252.8 ℃ and 0.1 MPa), or the hydrogen desorption operation at low pressure and low temperature (-252.8 ℃ and 0.1 MPa) is converted into the hydrogen absorption operation at relatively high temperature and high pressure (-195 ℃ and 3.5 MPa). The saturation of the metal hydrogen storage material at the beginning of hydrogen absorption is 16.5%, the saturation at the end of hydrogen absorption is 83.5%, and the saturation is recovered to 16.5% after the end of hydrogen desorption. The net output power of the system is 27.66 kW.
The specific working process is as follows:
the metal hydrogen storage material B of the B1 metal hydrogen storage material reaction bed 4 absorbs heat at the temperature of-252.8 ℃ and releases 0.1MPa hydrogen, the hydrogen release rate is 2.5g/s, the hydrogen with the pressure of 2.5g/s, -252.8 ℃ and 0.1MPa which is discharged from the B1 metal hydrogen storage material reaction bed 4 is pressurized to 0.28MPa and-242.32 ℃ by a hydrogen compressor 33 and then is sent into a cooling liquefier 34, and meanwhile, the hydrogen with the pressure of 37.5g/s, -242.32 ℃ and 0.28MPa at the tube pass outlet of a liquid hydrogen heat exchanger 51 also enters the cooling liquefier 34. The hydrogen gas at 40g/s and 0.28MPa and the temperature of-242.32 ℃ is completely condensed into liquid hydrogen at-248.8 ℃ in the cooling liquefier 34; liquid hydrogen with the temperature of 40g/s, -248.8 ℃ and 0.28MPa is compressed to 3.5 MPa-246.73 ℃ by a liquid hydrogen pressure pump 50; the liquid hydrogen at the outlet of the liquid hydrogen pressure pump 50 and the pressure of 3.5MPa and the temperature of-246.73 ℃ exchanges heat with the hydrogen in the tube pass of the liquid hydrogen heat exchanger 51, and the temperature is raised to-227.33 ℃; hydrogen of 40g/s, -227.33 ℃ and 3.5MPa enters from a second hydrogen absorption inlet pipeline 39' of the B2 metal hydrogen storage material reaction bed 5, wherein 2.5g/s of hydrogen is absorbed by the B2 metal hydrogen storage material reaction bed 5, and the temperature is further increased to-195 ℃ after the residual 37.5g/s of hydrogen absorbs the hydrogen absorption reaction heat of the B2 metal hydrogen storage material reaction bed 5; hydrogen of-195 ℃, 3.5MPa and 37.5g/s is sent to the hydrogen heat exchanger 32 from a second unabsorbed hydrogen outlet 40' of the B2 metal hydrogen storage material reaction bed 5 to exchange heat with the hydrogen from the outlet of the primary piezoelectric device 47, then the temperature is raised to-174.2 ℃, then the hydrogen enters the air heat exchanger 45 to exchange heat with the protective nitrogen in the protective cover 28 and the atmospheric environment air to raise the temperature to-97.62 ℃, and the hydrogen after temperature rise enters the primary piezoelectric device 47 to do work and generate electricity; 1MPa of hydrogen at the outlet of the first-stage piezoelectric device 47, the temperature of the hydrogen at minus 148.28 ℃ is sent to the tube pass heat exchange of the hydrogen heat exchanger 32 to be reduced to minus 170 ℃, then the hydrogen is sent to the second-stage piezoelectric device 48 to continue acting and generating power, and finally the hydrogen at the outlet of the second-stage piezoelectric device 48, the pressure of which is 0.28MPa, the temperature of which is minus 203.97 ℃, is reduced to minus 242.32 ℃ through the liquid hydrogen heat exchanger 51 and then sent to the cooling liquefier; when the B1 metallic hydrogen storage material reaction bed 4 finishes discharging hydrogen and the B2 metallic hydrogen storage material reaction bed 5 finishes absorbing hydrogen, the two are switched to absorbing/discharging hydrogen. After the switching, the work flow of the B2 metallic hydrogen storage material reaction bed 5 is similar to the work flow of the B1 metallic hydrogen storage material reaction bed 4.
The other processes and working principles of this example are the same as those of example 1.
In addition, the communication module 52 may be added to the power plant at the ultralow temperature of the hydrogen material shown in fig. 5.
Claims (8)
1. The utility model provides a do work device under hydrogen material ultra-low temperature which characterized by: the device comprises a protective cover (28), and a B1 metal hydrogen storage material reaction bed (4), a B2 metal hydrogen storage material reaction bed (5), a liquid hydrogen pressurizing pump (50), a liquid hydrogen heat exchanger (51), a hydrogen heat exchanger (32), an air heat exchanger (45), a hydrogen compressor (33), a cooling liquefier (34), a primary piezoelectric device (47) and a secondary piezoelectric device (48) which are arranged in the protective cover (28);
a first hydrogen discharge outlet (42) of the B1 metal hydrogen storage material reaction bed (4) and a second hydrogen discharge outlet (42 ') of the B2 metal hydrogen storage material reaction bed (5) are respectively connected with an inlet valve of the hydrogen compressor (33), an outlet valve of the hydrogen compressor (33) is connected with an inlet of the liquid hydrogen pressurizing pump (50) through a shell side of the cooling liquefier (34), an outlet of the liquid hydrogen pressurizing pump (50) is connected with a shell side inlet of the liquid hydrogen heat exchanger (51), and a shell side outlet of the liquid hydrogen heat exchanger (51) is respectively connected with a first hydrogen absorption inlet pipeline (39) of the B1 metal hydrogen storage material reaction bed (4) and a second hydrogen absorption inlet pipeline (39') of the B2 metal hydrogen storage material reaction bed (5);
a first unabsorbed hydrogen outlet (40) of the B1 metal hydrogen storage material reaction bed (4) and a second unabsorbed hydrogen outlet (40') of the B2 metal hydrogen storage material reaction bed (2) are respectively connected with a shell-side inlet of the hydrogen heat exchanger (32), a shell-side outlet of the hydrogen heat exchanger (32) is connected with a shell-side inlet of the air heat exchanger (45), a shell-side outlet of the air heat exchanger (45) is connected with an inlet of the primary piezoelectric device (47), an outlet of the primary piezoelectric device (47) is connected with a tube-side inlet of the hydrogen heat exchanger (32), a tube-side outlet of the hydrogen heat exchanger (32) is connected with an inlet of the secondary piezoelectric device (48), an outlet of the secondary piezoelectric device (48) is connected with a hydrogen storage tube-side inlet of the liquid-hydrogen heat exchanger (51), and tube-side outlets of the liquid-hydrogen heat exchanger (51) are respectively connected with a first hydrogen discharge inlet pipeline (41) of the B1 metal material reaction bed (4) ) Is connected with a second hydrogen discharge inlet pipeline (41') of the B2 metal hydrogen storage material reaction bed (2);
the first circulating heat exchange outlet of the B1 metal hydrogen storage material reaction bed (4) is connected with the first circulating heat exchange inlet of the B1 metal hydrogen storage material reaction bed (4) through a first circulating heat exchange coil in the cooling liquefier (34);
a second circulating heat exchange outlet of the B2 metal hydrogen storage material reaction bed (5) is connected with a second circulating heat exchange inlet of the B2 metal hydrogen storage material reaction bed (5) through a second circulating heat exchange coil in the cooling liquefier (34);
the primary piezoelectric device (47) and the secondary piezoelectric device (48) are powered outwards through a power storage and sending unit (49) and provide self-power;
be provided with nitrogen gas heat exchange coil (26) and air heat exchange coil (46) in air heat exchanger (45), the tube side entry and the tube side export of nitrogen gas heat exchange coil (26) all set up in safety cover (28), the tube side entry and the tube side export of air heat exchange coil (46) all set up outside safety cover (28).
2. The work-doing device of claim 1, wherein the hydrogen material comprises: an internal heat exchange circulating pipeline and an internal heat exchange circulating pump are arranged between the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5).
3. The work-doing device of claim 1, wherein the hydrogen material comprises: the structure of the B1 metal hydrogen storage material reaction bed (4) and the structure of the B2 metal hydrogen storage material reaction bed (5) are the same; the upper parts of the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5) are respectively provided with a gas distributor (17); the middle parts of the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5) are both metal hydrogen storage material filler layers; metal filter screens (18) are respectively arranged below metal hydrogen storage material filler layers in the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5).
4. The work-doing device of claim 1, wherein the hydrogen material comprises: the protective cover (28) is provided with a combustible gas alarm (29) and a protective gas inlet (27), the protective gas inlet (27) is provided with a valve, and gas filled in the protective cover (28) comprises but is not limited to hydrogen, helium and nitrogen; the temperature and pressure within the protective cover (28) can be adjusted depending on operating conditions.
5. The work-doing device of claim 1, wherein the hydrogen material comprises: the metal hydrogen storage materials filled in the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5) are the same, the filling amount is allowed to be the same or different, the hydrogen absorption/desorption operation of the metal hydrogen storage materials and the metal hydrogen storage materials is realized by switching valves, and the switching frequency can be adjusted according to the process conditions; the amount of the metal hydrogen storage material filled in a single metal hydrogen storage material reaction bed is allowed to have redundancy, so that the hydrogen absorption and desorption rate of each time can meet the requirement of rapid high-low pressure switching, and the redundancy equivalent multiple can be adjusted according to the process conditions; a 1-fold redundant equivalent is the minimum amount of metallic hydrogen storage material required for a single hydrogen absorption saturation of the metallic hydrogen storage material throughout a complete process cycle.
6. The work-doing device of claim 1, wherein the hydrogen material comprises: the heat exchange in the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5) adopts a mode that hydrogen directly enters the metal hydrogen storage material reaction bed for heat exchange; the metal hydrogen storage materials stored in the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5) can be any combination of any particle sizes, and meanwhile, the metal hydrogen storage materials can be solid or hollow; the metal hydrogen storage material is strictly limited in the metal filter screens (18) in the B1 metal hydrogen storage material reaction bed (4) and the B2 metal hydrogen storage material reaction bed (5), any metal hydrogen storage material particles are not allowed to overflow out of the metal filter screens (18), and the metal filter screens (18) only allow hydrogen or liquid hydrogen to enter and exit;
the metal hydrogen storage material is a metal hydrogen storage material working combination including but not limited to positive temperature correlation, and the hydrogen absorption/desorption state point and the working point parameter of the metal hydrogen storage material can be adjusted at will according to the process requirement; the metal hydrogen storage material with positive correlation of temperature is defined as absorbing high-pressure hydrogen at high temperature to release high-temperature heat and releasing low-pressure hydrogen at low temperature to release low-temperature cold; absorbing hydrogen to release high-temperature heat at high temperature, and utilizing the metal hydrogen storage material reaction bed to directly exchange heat to heat the working hydrogen; the system at least has one negative pressure unit, or the negative pressure of the metal hydrogen storage material, or the negative pressure of hydrogen liquefaction, or the combination of the above negative pressures; the heat exchange of the working hydrogen at low temperature is to absorb heat when the metal hydrogen storage material releases low-pressure hydrogen at low temperature, and the low-temperature cold energy generated by the metal hydrogen storage material is used for cooling the working hydrogen for liquefaction.
7. The work-doing device of claim 1, wherein the hydrogen material comprises: the apparatus further comprises a communication module (52); the power storage and delivery unit (49) communicates with a communication system through the communication module (52) in cooperation with a power generation device including, but not limited to, a satellite, a base station or other metallic hydrogen storage material for hydrogen absorption and desorption at ultra-low temperatures;
the device is applied to wearable equipment, mobile equipment, traffic equipment, fixed equipment, household equipment, kitchen stoves, power generation equipment, clothing and shoes, power equipment or building equipment;
alternatively, the device is applied to high-speed rails, trucks, warships, airplanes, aviation equipment, tanks, armored vehicles, civil ships or engineering machinery.
8. The utility model provides a do work device under hydrogen material ultra-low temperature which characterized by: the device comprises a protective cover (28), and a B1 metal hydrogen storage material reaction bed (4), a B2 metal hydrogen storage material reaction bed (5), a liquid hydrogen pressurizing pump (50), a liquid hydrogen heat exchanger (51), a hydrogen heat exchanger (32), a hydrogen compressor (33), a cooling liquefier (34), an air heat exchanger (45), a primary piezoelectric device (47) and a secondary piezoelectric device (48) which are arranged in the protective cover (28);
the first hydrogen discharge outlet (42) of the B1 metal hydrogen storage material reaction bed (4) and the second hydrogen discharge outlet (42') of the B2 metal hydrogen storage material reaction bed (5) are respectively connected with the inlet of a hydrogen compressor (33); the outlet of the hydrogen gas compressor (33) is connected with the inlet of the liquid hydrogen pressurizing pump (50) through the shell side of the cooling liquefier (34); the outlet of the liquid hydrogen pressurizing pump (50) is connected with the shell side inlet of the liquid hydrogen heat exchanger (51); the shell side outlet of the liquid hydrogen heat exchanger (51) is respectively connected with a first hydrogen absorption inlet pipeline (39) of the B1 metal hydrogen storage material reaction bed (4) and a second hydrogen absorption inlet pipeline (39') of the B2 metal hydrogen storage material reaction bed (5);
the first unabsorbed hydrogen outlet (40) of the B1 metal hydrogen storage material reaction bed (4) and the second unabsorbed hydrogen outlet (40') of the B2 metal hydrogen storage material reaction bed (5) are respectively connected with the shell side inlet of the hydrogen heat exchanger (32); the shell side outlet of the hydrogen heat exchanger (32) is connected with the shell side inlet of the air heat exchanger (45); a shell-side outlet of the air heat exchanger (45) is connected with an inlet of the primary piezoelectric device (47), an outlet of the primary piezoelectric device (47) is connected with a tube-side inlet of the hydrogen heat exchanger (32), a tube-side outlet of the hydrogen heat exchanger (32) is connected with an inlet of the secondary piezoelectric device (48), an outlet of the secondary piezoelectric device (48) is connected with a tube-side inlet of the liquid hydrogen heat exchanger (51), and a tube-side outlet of the liquid hydrogen heat exchanger (51) is connected with a shell-side inlet of the cooling liquefier (34);
the primary piezoelectric device (47) and the secondary piezoelectric device (48) are powered outwards through a power storage and sending unit (49) and provide self-power;
be provided with nitrogen gas heat exchange coil (26) and air heat exchange coil (46) in air heat exchanger (45), the tube side entry and the tube side export of nitrogen gas heat exchange coil (26) all set up in safety cover (28), the tube side entry and the tube side export of air heat exchange coil (46) all set up outside safety cover (28).
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