CN107285278A - The hydrogen heat compressibility that a kind of energy cascade formula is utilized - Google Patents
The hydrogen heat compressibility that a kind of energy cascade formula is utilized Download PDFInfo
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- CN107285278A CN107285278A CN201710412570.5A CN201710412570A CN107285278A CN 107285278 A CN107285278 A CN 107285278A CN 201710412570 A CN201710412570 A CN 201710412570A CN 107285278 A CN107285278 A CN 107285278A
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- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/508—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by selective and reversible uptake by an appropriate medium, i.e. the uptake being based on physical or chemical sorption phenomena or on reversible chemical reactions
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- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
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- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
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- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0833—Heating by indirect heat exchange with hot fluids, other than combustion gases, product gases or non-combustive exothermic reaction product gases
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The hydrogen heat compressibility that energy cascade formula of the present invention is utilized, including 1~100 grade of hydrogen thermocompressor for being in different operating temperature range and high pressure hydrogen house steward, hydrogen thermocompressor is provided with low pressure hydrogen entrance, high pressure hydrogen outlet and 1~100 metal hydride reaction bed.Low pressure hydrogen entrance is connected with low pressure hydrogen pipeline, and high pressure hydrogen outlet is connected by high pressure hydrogen pipeline with high pressure hydrogen house steward.External heat source passes sequentially through multistage hydrogen thermocompressor from high to low by external heat pipeline by operating temperature interval.It is provided between adjacent two-stage hydrogen thermocompressor inside heat exchanging pipe between level, every grade of hydrogen thermocompressor provided with heat exchanging pipe in level.The present invention makes full use of the sensible heat released when the reaction heat released during metal hydride hydrogen thermocompressor reaction bed suction hydrogen and cooling operation, improves the thermal efficiency of hydrogen thermocompressor, adds the scope and selectivity of UTILIZATION OF VESIDUAL HEAT IN.
Description
Technical field
The invention belongs to technical field of power equipment, it is related to a kind of hydrogen compressibility, and in particular to a kind of ladder-type profit
Use hydrogen heat compressibility.
Background technology
The world today is still in the fossil energy economy era using oil, natural gas and coal as the leading energy, this change
The stone economy of energy epoch will terminate, and a unprecedented new energy revolution has begun to.Replace the new energy of fossil energy economy
Economy, in other words the new energy economy of rare-view set-up will be " hydrogen energy source economy ", " low-carbon economy " and its nuclear energy, solar energy,
The modernization of the diversification energy such as wind energy, water energy, biomass energy, underground heat utilizes complementary new energy economy.
Hydrogen energy source is following energy main body, and hydrogen energy source automobile, hydrogen fuel cell increasingly enter among the life of people.Hydrogen
The energy diesel locomotive, rocket, automobile, ship, the vehicles and using hydrogen as the fuel cell of power in terms of have extensively
Application prospect.With the hydrogen energy source epoch at hand, hydrogen energy source automobile is progressively promoted the use of, the metal hydride of environmental protection and energy saving
Hot compression turns into the focus of worldwide compressibility research in recent years.The hydrogen compressed system of prior art is generally two stages of compression,
Compression efficiency is low, it is impossible to meet the demand of hydrogen energy source automobile and other power-equipments.
The content of the invention
It is an object of the invention to provide the hydrogen heat compressibility that a kind of energy cascade formula is utilized, metal hydride is made full use of
Thing hydrogen thermocompressor reaction bed inhales the sensible heat released when the reaction heat released during hydrogen and cooling operation, improves hydrogen hot compression
The thermal efficiency of machine.
The technical scheme is that：The hydrogen heat compressibility that energy cascade formula is utilized, including 1~100 grade in not
With the interval hydrogen thermocompressor of operating temperature and high pressure hydrogen house steward, hydrogen thermocompressor is provided with low pressure hydrogen entrance, high pressure
Hydrogen outlet and 1~100 metal hydride reaction bed.Low pressure hydrogen entrance is connected with low pressure hydrogen pipeline, and high pressure hydrogen goes out
Mouth is connected by high pressure hydrogen pipeline with high pressure hydrogen house steward.One-level hydrogen thermocompressor is connected with external heat source, next stage hydrogen
Gas thermocompressor is connected by thermal source cascade utilization pipeline with upper level hydrogen thermocompressor.Level is provided with inside hydrogen thermocompressor
Pass through heat exchanger tube in level between metal hydride reaction bed in heat exchanging pipe between interior heat exchanging pipe and level, hydrogen thermocompressor at the same level
Road is connected, and is connected between two-stage hydrogen thermocompressor by heat exchanging pipe between level.High pressure hydrogen house steward respectively with outer hydrogen supply tracheae
Road, expansion work power output pipeline and the connection of expansion work generating pipeline.
Metal hydride reaction bed is exported provided with being exchanged heat between level between heat exchange entrance and level, and heat exchanging pipe includes adding between level between level
Hot loop and cascade EDFA loop.Exchange heat to export to be communicated between level by threeway Vavle switching between heat exchange entrance and level between level and heat back
Heating circuit and upper level cascade EDFA circuit communication between road or cascade EDFA loop, level, cascade EDFA loop and next stage level
Between heating circuit connection hydrogen thermocompressor provided with heat exchange cooling line in heat exchange pipeline in level, level, hydrogen gas circulating pump and
Triple valve, metal hydride reaction bed provided with reaction bed entrance, reaction bed outlet, hydrogen inlet, hydrogen outlet, exchange heat in level into
Heat exchange outlet in mouth, level.Heat exchange entrance is connected by triple valve with reaction bed entrance in hydrogen inlet and level, and reaction bed outlet is logical
Triple valve is crossed to be connected with heat exchange outlet in hydrogen outlet and level.Heat exchange outlet passes through heat exchange cooling line in triple valve, level in level
Reaction bed entrance is connected to hydrogen gas circulating pump.
Hydrogen heat compressibility is provided with synthesis ammonia and urea plant, expanding machine, generator and water electrolysis hydrogen production machine.Close
Ammonification and urea plant are connected by external heat source pipeline with one-level hydrogen thermocompressor, synthesis ammonia and urea plant
Low pressure hydrogen pipe network the low pressure hydrogen entrance of one-level hydrogen thermocompressor is connected to by low pressure hydrogen pipeline.High pressure hydrogen is total
Pipe is connected by outer hydrogen supply air pipe with synthesis ammonia and urea plant high pressure hydrogen pipe network, passes through expansion work power output
Pipeline is connected with expanding machine, and the exhaust steam outlet of expanding machine is connected to the low pressure hydrogen entrance of one-level hydrogen thermocompressor.Expanding machine
It is connected with generator shaft, generator is connected with the electromechanical road of water electrolysis hydrogen production.
The multistage hydrogen thermocompressor of hydrogen heat compressibility is in different operating temperature range, metal hydride reaction bed
Interior filling metal hydrogen storage material, metal hydrogen storage material can absorb the hydrogen of lower pressure at a lower temperature while releasing reaction
Heat, absorbing reaction heat is while the hydrogen of releasing elevated pressures, realizes the compression of hydrogen at relatively high temperatures.Hydrogen heat not at the same level
The metal hydrogen storage material loaded in the metal hydride reaction bed of compressor is different, metal hydrogen storage in upper level hydrogen thermocompressor
The hydrogen discharging temperature for inhaling the metal hydrogen storage material that hydrogen temperature is greater than or equal in next stage hydrogen thermocompressor of material, next stage hydrogen
Thermocompressor metal hydride reaction bed puts heat required during hydrogen by upper level hydrogen thermocompressor metal hydride reaction bed
The reaction heat released during hydrogen is inhaled partly or entirely to provide.Hydrogen storage material used in metal hydride reaction bed is including but not limited to dilute
Great soil group and calcium alloy, Ti, Zr system alloy, titanium alloy, magnesium system alloy or vanadium system alloy.A kind of application form of system be with
Metal hydride storage system coproduction, metal hydride storage system includes but is not limited to magnesium system metal hydride storage system.
The hydrogen heat compressibility that metal hydride storage system inhales the waste heat supply present invention released during hydrogen is used, the High Pressure Hydrogen of generation
Gas is directly outer to be supplied or the acting of expanded machine is used as power output or generate electricity or high pressure hydrogen is by expanding machine acting generating,
The electric power of generation is used for electrolysis hydrogen production device and produces more hydrogen.
The metal hydride reaction bed of hydrogen thermocompressor is provided with heating coil.Exchange heat outlet between level between heat exchange entrance and level
Can be by the switching of triple valve, heating circuit or cascade EDFA circuit communication between level respectively.Heat transferring medium is hydrogen gas and water, led
One or more combinations of deep fat or other heat transferring mediums.Every grade of hydrogen thermocompressor is provided with heat-exchange system in level, and level is interior to exchange heat
System includes heat exchange pipeline in level, recuperated cycle pump and the interior heat exchange cooling line of level in level.Heat exchange entrance can pass through in level
The switching of triple valve, being connected respectively in level heat exchange outlet in heat exchange pipeline in exchange heat cooling line and level, level can also lead to
The switching of triple valve is crossed, heat exchange cooling line in heat exchange pipeline in exchange heat cooling line and level, level is connected respectively in level
It is provided with hydrogen gas circulating pump.
The compression process for the hydrogen heat compressibility that energy cascade formula is utilized is divided into six stages：
Stage one is the cooling procedure that exchanged heat between level, closes the compressor reaction bed entrance and pressure of metal hydride compressor reaction bed
Contracting machine reaction bed is exported, and is exchanged heat to export and be communicated to cascade EDFA by threeway Vavle switching between heat exchange entrance and level between opening level and is returned
Road, is exchanged heat with next stage hydrogen gas compressor, and metal hydride compressor reaction bed is cooled into suction hydrogen temperature；
Stage two, to inhale hydrogen process, opens compressor reaction bed entrance and switching is communicated to hydrogen inlet, absorb low pressure hydrogen, inhale
Hydrogen liberated heat gives next stage hydrogen thermocompressor by cascade EDFA circuit transmission, and required reaction heat makes when hydrogen is put for it
With；
Stage three is heat exchange temperature-rise period in level, inhales hydrogen and reaches after the scheduled time, and the heat exchange outlet between entrance and level that exchanged heat between level is closed
Close, the switching of compressor reaction bed entrance is communicated in level in heat exchange entrance, level heat exchange entrance by heat exchange pipeline in level with
Another is in level heat exchange outlet in the level of the compressor reaction bed of heat exchange temperature-fall period, and opens compressor reaction bed
Outlet switching is communicated to heat exchange outlet in level, and the interior heat exchange outlet of level passes through cooling line and the heat exchange cooling in level of being exchanged heat in level
Heat exchange entrance connection in the level of the compressor reaction bed of process, while making hydrogen be reacted in two compressors by hydrogen gas circulating pump
Circulate and exchanged heat between bed；
Stage four is heat exchange process between level, and compressor reaction bed is risen to after certain temperature by being exchanged heat in level, and compressor is anti-
Bed entrance and exit is answered to close, exchanging heat to export and switch between heat exchange entrance and level between opening level is communicated to heating circuit between level, with
Upper level hydrogen gas compressor is exchanged heat, and metal hydride compressor reaction bed is heated into hydrogen discharging temperature；
Stage five, metal hydride compressor reaction bed was heated to after hydrogen discharging temperature to put hydrogen process, the outlet of compressor reaction bed
Open and switch and be communicated to pans, release high pressure hydrogen；Required reaction heat during hydrogen is put, by heating circuit between level by upper
One-level hydrogen thermocompressor inhales the reaction heat supply released during hydrogen；
Stage six is heat exchange temperature-fall period in level, and the outlet switching of compressor reaction bed is communicated in level to exchange heat in heat exchange outlet, level
Outlet is in level in the level of the compressor reaction bed of heat exchange temperature-rise period with another by heat exchange pipeline in level and exchanged heat
Entrance is connected, and is opened compressor reaction bed entrance and is switched and is communicated to heat exchange entrance in level, by exchanged heat in level cooling line with
Exchange heat outlet in level in the level of the compressor reaction bed of heat exchange temperature-rise period, and hydrogen is existed by hydrogen gas circulating pump
Circulate and exchanged heat between two compressor reaction beds, the course of work in stage one is fully re-entered into after heat exchange, such as
This is repeated.Hydrogen heat compressibility be provided with hydrogen storage material tank and gating system, hydrogen storage material tank and gating system include knockout drum, surge tank,
High temperature storehouse, low temperature bin, vacuum tank, hydrogen gas compressor, loader, high pressure hydrogen tank and filling gun.Filling gun and metal hydride
The filler connection of reaction bed.Filling gun is provided with hydrogen mouthful and metal hydride mouthful, and high temperature storehouse and low temperature bin are respectively equipped with 1~50
Individual separation.The metal hydride mouthful of filling gun is connected to knockout drum, the gas vent of knockout drum by adding-taking out material common pall
Vacuum tank is connected to by surge tank, the solid outlet of knockout drum is connected to high temperature storehouse and low temperature bin.High temperature storehouse and low temperature bin point
Not by loader and add-take out the metal hydride mouthful that material common pall is connected to filling gun.Vacuum tank is connected by compressor
High pressure hydrogen tank is connected to, provided with bypass between vacuum tank and high pressure hydrogen tank.High pressure hydrogen tank outlet is divided into three tunnels, connects all the way
To knockout drum, loader is connected to all the way, and the hydrogen mouthful of filling gun is connected to all the way.High pressure hydrogen tank is two, the using and the reserved.
Setting up hydrogen storage material tank and gating system can realize between level or hydrogen storage material between any two metal hydride compressor reaction bed in level
That expects mutually switches, with the abundant progress of auxiliary heat-exchanging.
The hydrogen heat compressibility that energy cascade formula of the present invention is utilized, by setting the multistage hydrogen for being in different operating temperature
Gas thermocompressor, every grade of hydrogen thermocompressor is provided with the metal hydride hydrogen thermocompressor reaction bed of multigroup alternation, level
Between and level in heat-exchange system is set, when making full use of the metal hydride hydrogen thermocompressor reaction bed to inhale hydrogen the reaction heat released with
And the sensible heat released during cooling operation, improve the thermal efficiency of hydrogen thermocompressor.The present invention can be under the heating of external heat source
Low pressure hydrogen is efficiently compressed to high pressure, external heat source can be the various waste heats such as high-temperature flue gas and solar energy, added remaining
The scope and selectivity of heat utilization.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the hydrogen heat compressibility that energy cascade formula of the present invention is utilized
Fig. 2 is heat exchanging pipe schematic diagram between hydrogen heat compressor stage；
Fig. 3 is heat exchanging pipe schematic diagram in hydrogen heat compressor stage；
Fig. 4 is the hydrogen heat compressibility flow that the energy cascade formula generated electricity with expansion work is utilized；
Fig. 5 is the schematic flow sheet of hydrogen storage material tank and gating system.
Wherein：1-thermal source cascade utilization pipeline, 2-one-level hydrogen thermocompressor, heat exchanging pipe, 4-metal in 3-level
Hydride reaction bed, heat exchanging pipe between 5-high pressure hydrogen pipeline, 6-level, 7-low pressure hydrogen pipeline, 9-hydrogen thermocompressor,
10-three-level hydrogen thermocompressor, 11-six grades of hydrogen thermocompressors, 12-outer hydrogen supply air pipe, 13-expansion work power are defeated
Go out pipeline, 14-expansion work generating pipeline, 15-high pressure hydrogen house steward, the outlet of 16-reaction bed, 17-triple valve, 18-hydrogen
Gas outlet, heat exchange entrance in 19-reaction bed entrance, 20-hydrogen inlet, 21-level, heat exchange pipeline in 22-level, 23-
Heat exchange cooling line, 24-hydrogen gas circulating pump in level, heat exchange entrance between heat exchange outlet, 26-level in 25-level, 27-expanding machine,
28-generator, 29-water electrolysis hydrogen production machine, 30-synthesis ammonia and urea plant, 31-level between heat exchange outlet, 32-on
Heating circuit, 38-level between heating circuit, 37-level between one-level cascade EDFA loop, 33-heating coil, 34-next stage level
Between cooling circuit, 39-ten grades of hydrogen thermocompressors, 40-hydrogen enter-outlet pipe, 41-filling gun, 42-knockout drum,
Material common pall, 46-vacuum tank, 47-hydrogen gas compressor, 48-confession are taken out in 43-surge tank, 44-high temperature storehouse, 45-addition-
Glassware, 49-high pressure hydrogen tank, 50-low temperature bin, 100-hydrogen heat compressibility.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in detail.The scope of the present invention is not limited to embodiment,
Those skilled in the art make any change in the range of claim restriction and fall within the scope of protection of the invention.
Embodiment 1
The hydrogen heat compressibility that energy cascade formula of the present invention is utilized is as shown in figure 1, including six grades of hydrogen thermocompressors and high pressure
Hydrogen manifold 15, hydrogen thermocompressor is exported provided with low pressure hydrogen entrance and high pressure hydrogen, as shown in Figure 2 and Figure 3, every hydrogen
Thermocompressor is provided with 6 metal hydride reaction beds 4.Low pressure hydrogen entrance is connected with low pressure hydrogen pipeline 7, high pressure hydrogen outlet
It is connected by high pressure hydrogen pipeline 5 with high pressure hydrogen house steward.One-level hydrogen thermocompressor 2 by thermal source cascade utilization pipeline 1 with
External heat source is connected, and one-level hydrogen thermocompressor is connected by thermal source cascade utilization pipeline 1 with two grades of hydrogen thermocompressors, two grades
Hydrogen thermocompressor is connected by thermal source cascade utilization pipeline with three-level hydrogen thermocompressor, and six grades of hydrogen are connected to by that analogy
Thermocompressor 11.Hydrogen thermocompressor is provided with golden in heat exchanging pipe 6, hydrogen thermocompressor at the same level between heat exchanging pipe 3 and level in level
Connected between category hydride reaction bed by heat exchanging pipe in level, heat exchanging pipe 6 between level are passed through between two-stage hydrogen thermocompressor
Connection.High pressure hydrogen house steward generates electricity with outer hydrogen supply air pipe 12, expansion work power output pipeline 13 and expansion work manage respectively
Road 14 is connected.Changed as shown in Fig. 2 metal hydride reaction bed is provided between level between heat exchange entrance 26 and level between heat exchange outlet 31, level
Pipe line 6 includes heating circuit 37 and cascade EDFA loop 38 between level.Heat exchange entrance between triple valve and level by heating back between level
Road is connected with upper level cascade EDFA loop 32, and heat exchange outlet passes through between triple valve and cascade EDFA loop and next stage level between level
Heating circuit 34 is connected.As shown in figure 3, hydrogen thermocompressor is provided with the interior heat exchange cooling line of heat exchange pipeline 22, level in level
23rd, hydrogen gas circulating pump 24 and triple valve 17, metal hydride reaction bed 4 is provided with reaction bed entrance 19, reaction bed outlet 16, hydrogen
The interior heat exchange outlet 25 of heat exchange entrance 21, level in entrance 20, hydrogen outlet 18, level.Heat exchange entrance passes through three in hydrogen inlet and level
Port valve is connected with reaction bed entrance, and reaction bed outlet is connected by triple valve with heat exchange outlet in hydrogen outlet and level.Changed in level
Heat outlet is connected to reaction bed entrance by heat exchange cooling line in triple valve, level and hydrogen gas circulating pump.Hydrogen thermocompressor
Metal hydride reaction bed 4 is provided with heating coil 33.
The multistage hydrogen thermocompressor for the hydrogen heat compressibility that energy cascade formula of the present invention is utilized is in different operating temperature
Metal hydrogen storage material is loaded in degree, metal hydride reaction bed 4, hydrogen storage material is magnesium system alloy or vanadium system alloy.Metal hydrogen storage
Material can absorb the hydrogen of lower pressure at a lower temperature while releasing reaction heat, and absorbing reaction is hot simultaneously at relatively high temperatures
The hydrogen of elevated pressures is released, the compression of hydrogen is realized.The metal hydride reaction bed of hydrogen thermocompressor not at the same level is built-in
The metal hydrogen storage material of load is different, and the suction hydrogen temperature of metal hydrogen storage material is greater than or equal to next in upper level hydrogen thermocompressor
The hydrogen discharging temperature of metal hydrogen storage material in level hydrogen thermocompressor, next stage hydrogen thermocompressor metal hydride reaction bed puts hydrogen
When the reaction heat released when upper level hydrogen thermocompressor metal hydride reaction bed inhales hydrogen of required heat come part or entirely
Portion is provided.Heat exchange outlet can be by the switching of triple valve, respectively between level between heating circuit or level between heat exchange entrance and level between level
Cooling circuit is connected.Heat transferring medium is one or more combinations of hydrogen gas and water, conduction oil or other heat transferring mediums.Every grade of hydrogen
Thermocompressor, which is provided with heat-exchange system in heat-exchange system in level, level, includes heat exchange pipeline in level, recuperated cycle pump and level in level
Interior heat exchange cooling line；Heat exchange entrance can be connected respectively to heat exchange cooling line and level in level by the switching of triple valve in level
Interior heat exchange pipeline, in level heat exchange outlet also can by the switching of triple valve, be connected respectively in level heat exchange cooling line and
Heat exchange cooling line is provided with hydrogen gas circulating pump in heat exchange pipeline, level in level.
The compression process for the hydrogen heat compressibility that energy cascade formula is utilized is divided into six stages：
Stage one is the cooling procedure that exchanged heat between level, closes the compressor reaction bed entrance and pressure of metal hydride compressor reaction bed
Contracting machine reaction bed is exported, and is exchanged heat to export and be communicated to cascade EDFA by threeway Vavle switching between heat exchange entrance and level between opening level and is returned
Road, is exchanged heat with next stage hydrogen gas compressor, and metal hydride compressor reaction bed is cooled into suction hydrogen temperature；
Stage two, to inhale hydrogen process, opens compressor reaction bed entrance and switching is communicated to hydrogen inlet, absorb low pressure hydrogen, inhale
Hydrogen liberated heat gives next stage hydrogen thermocompressor by cascade EDFA circuit transmission, and required reaction heat makes when hydrogen is put for it
With；
Stage three is heat exchange temperature-rise period in level, inhales hydrogen and reaches after the scheduled time, and the heat exchange outlet between entrance and level that exchanged heat between level is closed
Close, the switching of compressor reaction bed entrance is communicated in level in heat exchange entrance, level heat exchange entrance by heat exchange pipeline in level with
Another is in level heat exchange outlet in the level of the compressor reaction bed of heat exchange temperature-fall period, and opens compressor reaction bed
Outlet switching is communicated to heat exchange outlet in level, and the interior heat exchange outlet of level passes through cooling line and the heat exchange cooling in level of being exchanged heat in level
Heat exchange entrance connection in the level of the compressor reaction bed of process, while making hydrogen be reacted in two compressors by hydrogen gas circulating pump
Circulate and exchanged heat between bed；
Stage four is heat exchange process between level, and compressor reaction bed is risen to after certain temperature by being exchanged heat in level, and compressor is anti-
Bed entrance and exit is answered to close, exchanging heat to export and switch between heat exchange entrance and level between opening level is communicated to heating circuit between level, with
Upper level hydrogen gas compressor is exchanged heat, and metal hydride compressor reaction bed is heated into hydrogen discharging temperature；
Stage five, metal hydride compressor reaction bed was heated to after hydrogen discharging temperature to put hydrogen process, the outlet of compressor reaction bed
Open and switch and be communicated to pans, release high pressure hydrogen；Required reaction heat during hydrogen is put, by heating circuit between level by upper
One-level hydrogen thermocompressor inhales the reaction heat supply released during hydrogen；
Stage six is heat exchange temperature-fall period in level, and the outlet switching of compressor reaction bed is communicated in level to exchange heat in heat exchange outlet, level
Outlet is in level in the level of the compressor reaction bed of heat exchange temperature-rise period with another by heat exchange pipeline in level and exchanged heat
Entrance is connected, and is opened compressor reaction bed entrance and is switched and is communicated to heat exchange entrance in level, by exchanged heat in level cooling line with
Exchange heat outlet in level in the level of the compressor reaction bed of heat exchange temperature-rise period, and hydrogen is existed by hydrogen gas circulating pump
Circulate and exchanged heat between two compressor reaction beds, the course of work in stage one is fully re-entered into after heat exchange, such as
This is repeated.
Embodiment 2
Another embodiment of the present invention is as shown in figure 4, hydrogen heat compressibility 100, synthesis ammonia and urea plant 30, expansion
Machine 27, generator 28 and water electrolysis hydrogen production machine 29, hydrogen heat compressibility includes ten grades of hydrogen thermocompressors and high pressure hydrogen is total
Pipe 15, hydrogen thermocompressor is exported provided with low pressure hydrogen entrance and high pressure hydrogen, and every hydrogen thermocompressor is provided with 8 metallic hydrogens
Compound reaction bed 4.Synthesis ammonia and urea plant are connected by thermal source cascade utilization pipeline 1 with one-level hydrogen thermocompressor 2,
External heat source is provided by synthesizing ammonia and urea plant.One-level hydrogen thermocompressor passes through thermal source cascade utilization pipeline 1 and two
Level hydrogen thermocompressor connection, two grades of hydrogen thermocompressors are connected by thermal source cascade utilization pipeline and three-level hydrogen thermocompressor
Connect, ten grades of hydrogen thermocompressors 39 are connected to by that analogy.Hydrogen thermocompressor is provided with level heat exchanger tube between heat exchanging pipe 3 and level
Connected in road 6, hydrogen thermocompressor at the same level between metal hydride reaction bed by heat exchanging pipe in level, two-stage hydrogen hot compression
Connected between machine by heat exchanging pipe between level 6.The low pressure hydrogen pipe network of synthesis ammonia and urea plant passes through pressure hydrogen tracheae
Road 7 is connected to the low pressure hydrogen entrance of one-level hydrogen thermocompressor.High pressure hydrogen house steward 15 is by outer hydrogen supply air pipe 12 with closing
Ammonification and the connection of urea plant high pressure hydrogen pipe network, are connected by expansion work power output pipeline 13 with expanding machine, swollen
The exhaust steam outlet of swollen machine is connected to the low pressure hydrogen entrance of one-level hydrogen thermocompressor.Expanding machine is connected with generator shaft, is generated electricity
Machine is connected with the electromechanical road of water electrolysis hydrogen production.
The hydrogen heat compressibility that energy cascade formula is utilized and existing synthesis ammonia and urea plant coproduction, synthesize ammonia
And the hydrogen and used heat of urea plant generation supply hydrogen heat compressibility of the present invention and used.Hydrogen heat compressibility is produced
High pressure hydrogen return supply synthesis ammonia and urea plant use.High pressure hydrogen does work by expanding machine and generated electricity, the electricity of generation
Power is used for electrolysis hydrogen production device and produces more hydrogen.As shown in figure 5, hydrogen heat compressibility is removed stage makeup and costume dress provided with hydrogen storage material
Put, hydrogen storage material tank and gating system includes knockout drum 42, surge tank 43, high temperature storehouse 44, low temperature bin 50, vacuum tank 46, hydrogen compression
Machine 47, loader 48, high pressure hydrogen tank 49 and filling gun 41.Filling gun is connected with the filler of metal hydride reaction bed 4.Plus
Rifle is noted provided with hydrogen mouthful and metal hydride mouthful, high temperature storehouse and low temperature bin are respectively equipped with 1~50 separation.The metallic hydrogen of filling gun
Compound mouthful is connected to knockout drum by adding-taking out material common pall 45, and the gas vent of knockout drum is connected to very by surge tank
Slack tank, the solid outlet of knockout drum is connected to high temperature storehouse and low temperature bin.High temperature storehouse and low temperature bin respectively by loader and addition-
Take out the metal hydride mouthful that material common pall is connected to filling gun.Vacuum tank is connected to high pressure hydrogen tank, vacuum by compressor
Provided with bypass between tank and high pressure hydrogen tank.High pressure hydrogen tank outlet is divided into three tunnels, and knockout drum is connected to all the way, is connected to all the way
Loader, is connected to the hydrogen mouthful of filling gun all the way.High pressure hydrogen tank is two, the using and the reserved.Hydrogen storage material is set up to remove stage makeup and costume dress
Putting can realize between level or hydrogen storage material is mutually switched between any two metal hydride compressor reaction bed in level, to aid in
The abundant progress of heat exchange.
Claims (11)
1. the hydrogen heat compressibility that a kind of energy cascade formula is utilized, it is characterized in that：Hydrogen heat compressibility includes 1~100 grade
Hydrogen thermocompressor and high pressure hydrogen house steward in different operating temperature range（15）, the hydrogen thermocompressor is provided with low pressure
Hydrogen inlet, high pressure hydrogen outlet and 1~100 metal hydride reaction bed（4）；The low pressure hydrogen entrance and low pressure hydrogen
Pipeline（7）Connection, the high pressure hydrogen outlet passes through high pressure hydrogen pipeline（5）House steward is connected with high pressure hydrogen；One-level hydrogen heat
Compressor（2）It is connected with external heat source, next stage hydrogen thermocompressor passes through thermal source cascade utilization pipeline（1）With upper level hydrogen
Thermocompressor is connected；The hydrogen thermocompressor is provided with heat exchanging pipe in level（3）The heat exchanging pipe between level（6）, hydrogen heat at the same level
Connected in compressor between metal hydride reaction bed by heat exchanging pipe in level, by between level between two-stage hydrogen thermocompressor
Heat exchanging pipe（6）Connection；The high pressure hydrogen house steward respectively with outer hydrogen supply air pipe（12）, expansion work power output pipeline
（13）With expansion work generating pipeline（14）Connection.
2. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The metal hydride
Thing reaction bed is provided with the entrance that exchanged heat between level（26）Exchange heat outlet between level（31）, heat exchanging pipe between the level（6）Including adding between level
Hot loop（37）With cascade EDFA loop（38）；The entrance that exchanged heat between the level is connected with heat exchange outlet between level by threeway Vavle switching
To heating circuit between level or cascade EDFA loop, heating circuit and upper level cascade EDFA loop between level（32）It is cold between connection, level
But loop and next stage level between heating circuit（34）Connection.
3. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The hydrogen hot pressing
Contracting machine is provided with heat exchange pipeline in level（22）, heat exchange cooling line in level（23）, hydrogen gas circulating pump（24）And triple valve（17）,
The metal hydride reaction bed（4）Provided with reaction bed entrance（19）, reaction bed outlet（16）, hydrogen inlet（20）, hydrogen goes out
Mouthful（18）, heat exchange entrance in level（21）, heat exchange outlet in level（25）；Heat exchange entrance passes through triple valve in the hydrogen inlet and level
It is connected with reaction bed entrance, the reaction bed outlet is connected by triple valve with heat exchange outlet in hydrogen outlet and level；The level
Interior heat exchange outlet is connected to reaction bed entrance by heat exchange cooling line in triple valve, level and hydrogen gas circulating pump.
4. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The hydrogen hot pressing
Compression system（100）Provided with synthesis ammonia and urea plant（30）, expanding machine（27）, generator（28）With water electrolysis hydrogen production machine
（29）, the synthesis ammonia and urea plant pass through external heat source pipeline and one-level hydrogen thermocompressor（2）Connection, synthesizes ammonia
And the low pressure hydrogen pipe network of urea plant passes through low pressure hydrogen pipeline（7）It is connected to the pressure hydrogen of one-level hydrogen thermocompressor
Gas entrance；The high pressure hydrogen house steward（15）Pass through outer hydrogen supply air pipe（12）With synthesis ammonia and urea plant high pressure hydrogen
Pipe network is connected, and passes through expansion work power output pipeline（13）It is connected with expanding machine, the exhaust steam outlet of expanding machine is connected to one-level
The low pressure hydrogen entrance of hydrogen thermocompressor；The expanding machine is connected with generator shaft, generator and the electromechanical road of water electrolysis hydrogen production
Connection.
5. the hydrogen heat compressibility that a kind of energy cascade formula is utilized according to claim 1, it is characterized in that：The hydrogen heat
The multistage hydrogen thermocompressor of compressibility is in different operating temperature range, the metal hydride reaction bed（4）It is interior to load
Metal hydrogen storage material, the metal hydrogen storage material can absorb the hydrogen of lower pressure at a lower temperature while releasing reaction heat,
Absorbing reaction heat releases the hydrogen of elevated pressures simultaneously at relatively high temperatures, realizes the compression of hydrogen；Hydrogen hot pressing not at the same level
The metal hydrogen storage material loaded in the metal hydride reaction bed of contracting machine is different, metal hydrogen storage material in upper level hydrogen thermocompressor
The hydrogen discharging temperature for inhaling the metal hydrogen storage material that hydrogen temperature is greater than or equal in next stage hydrogen thermocompressor of material, next stage hydrogen heat
Compressor metal hydride reaction bed is put heat required during hydrogen and inhaled by upper level hydrogen thermocompressor metal hydride reaction bed
The reaction heat released during hydrogen is partly or entirely provided.
6. the hydrogen heat compressibility that energy cascade formula according to claim 5 is utilized, it is characterized in that：The metal hydride
Thing reaction bed（4）Hydrogen storage material used includes but is not limited to terres rares and calcium alloy, Ti, Zr system alloy, titanium alloy, magnesium system
Alloy or vanadium system alloy.
7. the hydrogen heat compressibility that energy cascade formula according to claim 6 is utilized, it is characterized in that：The one of the system
It is to include but is not limited to magnesium system metallic hydrogen with metal hydride storage system coproduction, metal hydride storage system to plant application form
Compound hydrogen storage system；Metal hydride storage system inhales the waste heat released during hydrogen and supplies hydrogen heat compressibility of the present invention
Use, the high pressure hydrogen of generation is directly outer to be supplied or the acting of expanded machine is used as power output or generating.
8. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The hydrogen hot pressing
The metal hydride reaction bed of contracting machine（4）Provided with heating coil（33）；Heat exchange outlet can lead between heat exchange entrance and level between the level
The switching of triple valve is crossed, respectively heating circuit or cascade EDFA circuit communication between level；The heat transferring medium is hydrogen gas and water, led
One or more combinations of deep fat or other heat transferring mediums.
9. the hydrogen heat compressibility that energy cascade formula is utilized according to claim 1, it is characterized in that：Every grade of hydrogen hot compression
Machine, which is provided with heat-exchange system in heat-exchange system in level, level, to be included heat exchange pipeline in level, is exchanged heat in level in recuperated cycle pump and level
Cooling line；Heat exchange entrance can be connected respectively in level in heat exchange cooling line and level by the switching of triple valve in the level
Heat exchange pipeline, heat exchange outlet also can be connected respectively to heat exchange cooling line in level by the switching of triple valve in the level
With heat exchange pipeline in level, the interior heat exchange cooling line of level is provided with hydrogen gas circulating pump.
10. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The energy ladder
The compression process for the hydrogen heat compressibility that level formula is utilized is divided into six stages：
Stage one is the cooling procedure that exchanged heat between level, closes the compressor reaction bed entrance and pressure of metal hydride compressor reaction bed
Contracting machine reaction bed is exported, and is exchanged heat to export and be communicated to cascade EDFA by threeway Vavle switching between heat exchange entrance and level between opening level and is returned
Road, is exchanged heat with next stage hydrogen gas compressor, and metal hydride compressor reaction bed is cooled into suction hydrogen temperature；
Stage two, to inhale hydrogen process, opens compressor reaction bed entrance and switching is communicated to hydrogen inlet, absorb low pressure hydrogen, inhale
Hydrogen liberated heat gives next stage hydrogen thermocompressor by cascade EDFA circuit transmission, and required reaction heat makes when hydrogen is put for it
With；
Stage three is heat exchange temperature-rise period in level, inhales hydrogen and reaches after the scheduled time, and the heat exchange outlet between entrance and level that exchanged heat between level is closed
Close, the switching of compressor reaction bed entrance is communicated in level in heat exchange entrance, level heat exchange entrance by heat exchange pipeline in level with
Another is in level heat exchange outlet in the level of the compressor reaction bed of heat exchange temperature-fall period, and opens compressor reaction bed
Outlet switching is communicated to heat exchange outlet in level, and the interior heat exchange outlet of level passes through cooling line and the heat exchange cooling in level of being exchanged heat in level
Heat exchange entrance connection in the level of the compressor reaction bed of process, while making hydrogen be reacted in two compressors by hydrogen gas circulating pump
Circulate and exchanged heat between bed；
Stage four is heat exchange process between level, and compressor reaction bed is risen to after certain temperature by being exchanged heat in level, and compressor is anti-
Bed entrance and exit is answered to close, exchanging heat to export and switch between heat exchange entrance and level between opening level is communicated to heating circuit between level, with
Upper level hydrogen gas compressor is exchanged heat, and metal hydride compressor reaction bed is heated into hydrogen discharging temperature；
Stage five, metal hydride compressor reaction bed was heated to after hydrogen discharging temperature to put hydrogen process, the outlet of compressor reaction bed
Open and switch and be communicated to pans, release high pressure hydrogen；Required reaction heat during hydrogen is put, by heating circuit between level by upper
One-level hydrogen thermocompressor inhales the reaction heat supply released during hydrogen；
Stage six is heat exchange temperature-fall period in level, and the outlet switching of compressor reaction bed is communicated in level to exchange heat in heat exchange outlet, level
Outlet is in level in the level of the compressor reaction bed of heat exchange temperature-rise period with another by heat exchange pipeline in level and exchanged heat
Entrance is connected, and is opened compressor reaction bed entrance and is switched and is communicated to heat exchange entrance in level, by exchanged heat in level cooling line with
Exchange heat outlet in level in the level of the compressor reaction bed of heat exchange temperature-rise period, and hydrogen is existed by hydrogen gas circulating pump
Circulate and exchanged heat between two compressor reaction beds, the course of work in stage one is fully re-entered into after heat exchange, such as
This is repeated.
11. the hydrogen heat compressibility that energy cascade formula according to claim 1 is utilized, it is characterized in that：The hydrogen heat
Compressibility is provided with hydrogen storage material tank and gating system, and the hydrogen storage material tank and gating system includes knockout drum（42）, surge tank（43）, it is high
Wen Cang（44）, low temperature bin（50）, vacuum tank（46）, hydrogen gas compressor（47）, loader（48）, high pressure hydrogen tank（49）And filling
Rifle（41）；The filling gun provided with hydrogen mouthful and metal hydride mouthful, the high temperature storehouse and low temperature bin be respectively equipped with 1~50 every
Cabin；The metal hydride mouthful of the filling gun is by adding-taking out material common pall（45）Knockout drum is connected to, the knockout drum
Gas vent is connected to vacuum tank by surge tank, and the solid outlet of knockout drum is connected to high temperature storehouse and low temperature bin；The high temperature
Storehouse and low temperature bin by loader and add-taken out the metal hydride mouthful that material common pall is connected to filling gun respectively；It is described true
Slack tank is connected to high pressure hydrogen tank by compressor, provided with bypass between vacuum tank and high pressure hydrogen tank；The high pressure hydrogen tank
Outlet is divided into three tunnels, and knockout drum is connected to all the way, loader is connected to all the way, and the hydrogen mouthful of filling gun is connected to all the way；It is described
High pressure hydrogen tank is two, the using and the reserved.
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