CN106839426A - The high-temperature heat-pump water-heater that one proton exchanging film fuel battery drives - Google Patents
The high-temperature heat-pump water-heater that one proton exchanging film fuel battery drives Download PDFInfo
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- CN106839426A CN106839426A CN201710059667.2A CN201710059667A CN106839426A CN 106839426 A CN106839426 A CN 106839426A CN 201710059667 A CN201710059667 A CN 201710059667A CN 106839426 A CN106839426 A CN 106839426A
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- water
- proton exchange
- heat
- temperature heat
- air
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- 239000000446 fuel Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims description 38
- 229910052739 hydrogen Inorganic materials 0.000 claims description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 24
- 239000003507 refrigerant Substances 0.000 claims description 24
- 238000005057 refrigeration Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
-
- 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
- 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
- Y02E60/50—Fuel cells
Abstract
The invention discloses the high-temperature heat-pump water-heater that a proton exchanging film fuel battery drives, it includes cooling system, proton exchange film fuel battery system and high temperature heat pump system, proton exchange film fuel battery system generates direct current, direct current is converted into stable DC electricity, directly output or stable DC electric drive high temperature heat pump system realize that high-temperature-hot-water is exported to stable DC electricity, the cooling water exported by cooling system flows successively through the pile of fuel cell system and the evaporator of heat pump, cooling water absorbs heat in pile, and the heat release in evaporator, the heat that high temperature heat pump system will absorb in evaporator heats up, obtain hot water of the temperature higher than PEM temperature of waste heat, can be used to need the occasion of high-temperature-hot-water.The present invention can make full use of the electric energy and low temperature heat energy of fuel cell, obtain high temperature heat so that the value of fuel cell waste heat is higher.
Description
Technical field
The present invention relates to hydrogen fuel cell technology, more particularly to the high temperature heat pump that a proton exchanging film fuel battery drives
Water heater.
Background technology
The characteristics of Proton Exchange Membrane Fuel Cells (PEMFC) has efficiency high, operating temperature is low, is that application is the widest at present
General type of fuel cell.The practical efficiency of PEMFC is about 50% or so, that is, the Hydrogen Energy for being input into fuel cell only has and 50% can turn
Chemical conversion electric energy, remaining 50% energy is all emitted in the form of heat.
Away from power network but the more rich area of hydrogen source, it may be considered that produce heat using the waste heat of hydrogen fuel cell
Water.But due to PEMFC operating temperatures it is relatively low the characteristics of, its normal working temperature is about 50~65 DEG C, if being made with the waste heat of PEMFC
It is thermal source, directly heats hot water, the temperature of hot water is general no more than 65 DEG C, is restricted the occasion of high-temperature-hot-water is needed.
If additionally, by PEMFC electricity drive electric heater in the way of, though high-temperature-hot-water (≤100 DEG C) can be obtained,
It is less efficient (because electrically heated efficiency is consistently less than 1) this kind of mode of heating, it is contemplated that the efficiency of PEMFC is about 0.5, therefore
The overall efficiency of this mode of heating is less than 0.5.
The content of the invention
In view of this, The embodiment provides a kind of electric energy and heat energy that can make full use of fuel cell, and energy
The high-temperature heat-pump water-heater that the Proton Exchange Membrane Fuel Cells of high efficiency hot water preparing drives.
Embodiments of the invention provide the high-temperature heat-pump water-heater that a proton exchanging film fuel battery drives, including proton
Exchange film fuel battery system, cooling system and high temperature heat pump system, the cooling system, proton exchange film fuel battery system
Composition chilled(cooling) water return (CWR) is sequentially communicated with high temperature heat pump system, the proton exchange film fuel battery system generates direct current, institute
State direct current and be converted into stable DC electricity, the stable DC electricity is directly exported or stable DC electric drive high temperature heat pump system
Realize that high-temperature-hot-water is exported, fuel cell system, high temperature heat pump system flowed through successively from the cooling water of cooling system outflow,
And cooling system is returned, the cooling water absorbs heat in the fuel cell system, and the heat release in high temperature heat pump system, and in radiating
Cooled down in system.
Further, the proton exchange film fuel battery system includes that hydrogen supply loop, air supply loop, proton are handed over
Film fuel cell electric piling and DC-DC converter are changed, the hydrogen supply loop and air supply loop are all connected with proton friendship
Film fuel cell electric piling is changed, the hydrogen supply loop supplies hydrogen, and air, hydrogen and air are supplied in the air supply loop
In oxygen reacted in proton exchange film fuel cell electric piling generation direct current, the DC-DC converter will be straight
Stream electricity is converted into stable DC electricity, and remaining trace hydrogen is discharged in air through the first magnetic valve after reaction, reacted sky
The weary gas of gas is discharged into air.
Further, the hydrogen supply loop includes high-pressure hydrogen storage, pressure-reducing valve, check valve, hand stop valve and prevents
Quick-fried magnetic valve, the high-pressure hydrogen storage, pressure-reducing valve, check valve, hand stop valve and explosion-proof solenoid valve are sequentially connected, hydrogen from
High-pressure hydrogen storage out, sequentially passes through pressure-reducing valve, check valve, hand stop valve and explosion-proof solenoid valve and is fired into PEM
Material battery pile；The air supply loop include air filter, muffler and air compressor, the air filter,
Muffler and air compressor are sequentially connected, and air is described by entering air compressor after air filter, muffler treatment
Air compressor boosts air, and sends into proton exchange film fuel cell electric piling.
Further, the high temperature heat pump system include direct current refrigeration compressor, heat pump water box, restricting element, evaporator and
The condenser in heat pump water box is arranged at, the direct current refrigeration compressor, condenser, restricting element and evaporator are sequentially connected structure
Into refrigerant loop, the stable DC electric drive direct current refrigeration compressor fortune of the proton exchange film fuel battery system output
Turn, refrigerant gas boil down to high temperature and high pressure gas, the HTHP gas are entered heat pump water by the direct current refrigeration compressor
Condenser in case, the HTHP gas completes the exothermic process to hot water to be added in heat pump water box within the condenser, described
Condenser is located at the bottom of heat pump water box, and the two ends of the condenser connect direct current refrigeration compressor and restricting element respectively.
Further, the heat pump water box is bearing insulated water box, and the bearing insulated water box includes outer courage, inner bag, insulation
Layer, cold water inlet and hot water delivery pipe, the inner bag are located at the inner side of heat-insulation layer, the heat-insulation layer be located at inner bag and outer courage it
Between, the cold water inlet connects inner bag, one end connection running water pipe or the height of the cold water inlet with hot water delivery pipe
Position water tank, the other end of the cold water inlet inserts the bottom of inner bag, and the top of inner bag is inserted in one end of the hot water delivery pipe
Portion, the other end of the hot water delivery pipe passes through the output of solenoid valve control hot water.
Further, the refrigerant is high temperature refrigerant, and the evaporating temperature scope of the refrigerant is 45-65 DEG C, the system
The condensation temperature scope of cryogen is 85-105 DEG C；The high temperature heat pump system also includes gas-liquid separator, the gas-liquid separator
It is located between evaporator and direct current refrigeration compressor, the gas-liquid separator is separated unevaporated gas-liquid mixture.
Further, the condenser is to be added in the outside and inner bag of the condenser coil in the form of condenser coil
Hot water directly contact.
Further, the condenser is in the form of condenser coil is wrapped on inner bladder outer wall, the condenser coil with it is interior
Water in courage is not directly contacted with.
Further, the cooling system includes radiator, cooling fan, water pump and by-passing valve, and the cooling fan accelerates
The convection current of radiator extraneous air, the by-passing valve and radiator are in parallel, and the water pump draws water from the bottom of radiator, and pumps into
Proton exchange film fuel battery system, the water temperature control at the radiator outlet at 45-65 DEG C, water temperature by cooling fan and
Bypass valve regulation, pumps into the reaction heat that the water in proton exchange film fuel battery system takes away proton exchange film fuel battery system
Temperature is raised, and the water for absorbing proton exchange film fuel battery system reaction heat flows from proton exchange film fuel battery system
Go out, and enter the evaporator of high temperature heat pump system, the water temperature of the water flowed out from proton exchange film fuel battery system passes through water
The rotating speed of pump is adjusted control at 50-70 DEG C.
Compared with prior art, the invention has the advantages that：The present invention can make full use of the electric energy of fuel cell
And heat energy, meeting the requirement of sustainable development, economic benefit is improved；Heating efficiency of the present invention is high, and the hot water temperature for producing is reachable
More than 80 DEG C, reach as high as 100 DEG C；It is of the invention first generated electricity with PEMFC, then heated in the way of electrical energy drive heat pump, heat
Comprehensive energy efficiency ratio can be to more than 1.5, far above the Energy Efficiency Ratio of Electric heating 0.5.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of one embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1 is refer to, The embodiment provides the high temperature heat pump heat that a proton exchanging film fuel battery drives
Hydrophone, including proton exchange film fuel battery system 1, cooling system 2 and high temperature heat pump system 3, cooling system 2, proton exchange
Film fuel battery system 1 and high temperature heat pump system 3 are sequentially communicated composition chilled(cooling) water return (CWR).
Proton exchange film fuel battery system 1 includes that hydrogen supply loop 11, air supply loop 12, PEM fire
Material battery pile 13 and DC-DC converter 14, hydrogen supply loop 11 and air supply loop 12 are all connected with proton exchange
Film fuel cell electric piling 13.
Hydrogen supply loop 11 supplies hydrogen, and hydrogen supply loop 11 includes high-pressure hydrogen storage 111, pressure-reducing valve 112, list
To valve 113, hand stop valve 114 and explosion-proof solenoid valve 115, high-pressure hydrogen storage 111, pressure-reducing valve 112, check valve 113, manually
Stop valve 114 and explosion-proof solenoid valve 115 are sequentially connected, hydrogen from high-pressure hydrogen storage 111 out, sequentially pass through pressure-reducing valve 112,
Check valve 113, hand stop valve 114 and explosion-proof solenoid valve 115 enter proton exchange film fuel cell electric piling 13.
Air is supplied in air supply loop 12, and air supply loop 12 includes air filter 121, muffler 122 and sky
Air compressor 123, air filter 121, muffler 122 and air compressor 123 are sequentially connected, and air is by air filter
121st, air compressor 123 is entered after muffler 122 is processed, air compressor 123 boosts air, and sends into PEM
Fuel cell pile 13.
Oxygen in hydrogen and air reacts generation direct current in proton exchange film fuel cell electric piling 13, reaction
Remaining trace hydrogen is discharged in air through the first magnetic valve 116 afterwards, and the reacted weary gas of air is discharged into air.
Direct current is converted into stable DC electricity by DC-DC converter 14, and stable DC electricity is directly exported or stabilization is straight
Stream electric drive high temperature heat pump system 3 realizes that high-temperature-hot-water is exported, and high temperature heat pump system 3 includes direct current refrigeration compressor 31, heat pump
Water tank 32, restricting element 33 and evaporator 34 and the condenser 325 being arranged in heat pump water box 32, direct current refrigeration compressor 31,
Condenser 325, restricting element 33 and evaporator 34 are sequentially connected composition loop, the output of proton exchange film fuel battery system 1
Stable DC electric drive direct current refrigeration compressor 31 is operated, and direct current refrigeration compressor 31 is by refrigerant gas boil down to HTHP
Gas, high temperature and high pressure gas enter condenser 325, and high temperature and high pressure gas are condensed into high temperature high pressure liquid in condenser 325, complete
The exothermic process of hot water to be added into heat pump water box 32, is heated the hot water to be added in heat pump water box 32, obtains warm high
Water.High temperature high pressure liquid flows through the gas-liquid mixture that restricting element 33 is changed into low-temp low-pressure, and gas-liquid mixture flows into evaporator 34,
Gas-liquid mixture carries out heat in evaporator 34 by with the cooling water for absorbing the reaction heat of proton exchange film fuel battery system 1
Amount is exchanged, and gas-liquid mixture absorbs heat and is evaporated to refrigerant gas again, and the air entry of direct current refrigeration compressor 31 is by refrigerant
In gas suction direct current refrigeration compressor 31, refrigerant gas are compressed again in direct current refrigeration compressor 31.In evaporator
Cooling water in 34 after heat release is flowed back in cooling system 2.
Refrigerant is high temperature refrigerant, and the evaporating temperature scope of refrigerant is 45-65 DEG C, and the condensation temperature scope of refrigerant is
85-105℃.High temperature heat pump system 3 also includes gas-liquid separator 35, and gas-liquid separator 35 is located at evaporator 34 and DC system is colded pressing
Between contracting machine 31, gas-liquid separator 35 is separated unevaporated gas-liquid mixture.
Heat pump water box 32 be bearing insulated water box, bearing insulated water box 32 include outer courage 320, inner bag 321, heat-insulation layer 322,
Cold water inlet 323, hot water delivery pipe 324, inner bag 321 are located at the inner side of heat-insulation layer 322, and heat-insulation layer 322 is located at the He of outer courage 320
Between inner bag 321, cold water inlet 323 connects inner bag 321, one end connection of cold water inlet 323 with hot water delivery pipe 324
Running water pipe (not shown) or elevated tank connection running water pipe or elevated tank, the other end of cold water inlet 323 are inserted
Enter the bottom of inner bag 321, the top of inner bag 321 is inserted in one end of hot water delivery pipe 324, and the other end of hot water delivery pipe 324 leads to
Cross the output that magnetic valve 326 controls hot water.In cold water inlet 323 and inner bag 321 in water and hot water delivery pipe 324 to be heated
The hot water of output constitutes the second water loop.
When using hot water, magnetic valve 326 is opened, cold water enters inner bag from cold water inlet 323 under pressure
321, the bottom of inner bag 321 is inserted due to cold water inlet 323, the cold water into inner bag 321 can flow to bottom, due to condenser
325 bottoms for being located at inner bag 321, cold water is flowed into from bottom to be easy to carry out heat exchange with condenser 325, is conducive to improving condensation
The heat transfer temperature difference and heat exchange efficiency of device 325, meanwhile, up free convection after being heated because of water, hot water can flow to the top of inner bag 321
Portion, and from the hot water delivery pipe at the top of inner bag 321, be conducive to the thermal stratification in inner bag 321, it is ensured that from hot water delivery pipe 324
Outlet outflow hot water be all the time hot.Hot water to be added can obtain comparing Proton Exchange Membrane Fuel Cells by the second water loop
Waste heat supply temperature hot water also high itself, temperature lifting, to improve UTILIZATION OF VESIDUAL HEAT IN value, the temperature of waste heat is higher, its value
Or it is also higher using quality.
In an alternative embodiment, condenser 325 in the form of condenser coil, the outside of condenser coil and inner bag 321
Interior hot water directly contact to be added.
In the above-described embodiments, condenser 325 is the condenser coil with water directly contact, and it is directly dipped in inner bag 321
In hot water to be added, i.e., the water directly contact in the outer surface of condenser coil and inner bag 321.
In another alternative embodiment, condenser 325 can also be wrapped in the shape on the outer wall of inner bag 321 using condenser coil
Formula (not shown), in this kind of mode, condenser coil is not directly contacted with the water in inner bag 321.
Cooling system 2 supplies water to proton exchange film fuel battery system 1 and allows water to absorb Proton Exchange Membrane Fuel Cells system
The reaction heat of system 1, the cooling water for absorbing the reaction heat of proton exchange film fuel battery system 1 flow to high temperature heat pump system 3, and
To hot cryogen heat release in the evaporator 34 of high temperature heat pump system 3, the current after heat release in evaporator 34 return cooling system 2 and are entered
One step is cooled down, and the water after cooling is supplied to proton exchange film fuel battery system 1 by cooling system 2 again.
Cooling system 2 includes radiator 21, cooling fan 22, water pump 23 and by-passing valve 24, and cooling fan 22 accelerates radiating
The convection current of the extraneous air of device 21, by-passing valve 24 and radiator 21 are in parallel, and water pump 23 draws water from the bottom of radiator 21, and pumps into matter
Proton exchange fuel cell system 1, at 45-65 DEG C, water temperature passes through cooling fan 22 and side for the water temperature control of the outlet of radiator 21
Port valve 24 is adjusted, and when water temperature over-high, the rotating speed of cooling fan 22 is increased, while by-passing valve 24 is closed；When water temperature is too low, dissipate
The rotating speed of air-heater 22 reduces, while by-passing valve 24 is opened, the water pumped into proton exchange film fuel battery system 1 takes away proton
The reaction heat temperature of exchange film fuel battery system 1 is raised, absorb the water of the reaction heat of proton exchange film fuel battery system 1 from
Flowed out in proton exchange film fuel battery system 1, and enter the evaporator 34 of high temperature heat pump system 3, from pem fuel
The water temperature of the water flowed out in battery system 1 is adjusted control at 50-70 DEG C by the rotating speed of water pump 23, for example, working as from proton
During the water temperature over-high of the water flowed out in exchange film fuel battery system 1, increase the rotating speed of water pump 23, make to be fired into PEM
Expect the water-carrying capacity increase of battery system 1, when the water temperature of the water flowed out from proton exchange film fuel battery system 1 is too low, subtract
The rotating speed of small water pump 23, reduces the water-carrying capacity for entering proton exchange film fuel battery system 1.
Cooling system 2 also includes expansion tank 25 and water filter 26, the connection radiator 21 of expansion tank 25, expansion tank
25 for radiator 21 supply water and provide water temperature change when needed for volumetric expansion space, water filter 26 be located at water pump 23 and radiating
Between device 21.
The course of work：Oxygen in hydrogen and air reacts generation direct current in proton exchange film fuel cell electric piling 13
Electricity, the direct current for reacting generation is converted to stable DC electricity, stable DC electric drive direct current refrigeration through DC-DC converter 14
Compressor 31 is operated, and refrigerant gas boil down to high temperature and high pressure gas, HTHP gas are entered heat by direct current refrigeration compressor 31
Pump water tank 32, and by the water exothermic condensation in heat pump water box 32 into high temperature high pressure liquid, meanwhile, the water in heat pump water box 32
It is heated and realizes that hot water is exported, high temperature high pressure liquid flows through the gas-liquid mixture that restricting element 33 is changed into low-temp low-pressure, gas-liquid is mixed
Compound flows into evaporator 34.
Gas-liquid mixture enters in evaporator 34 by with the water for absorbing the reaction heat of proton exchange film fuel battery system 1
Row heat exchange, absorbs the water cooling of the reaction heat of proton exchange film fuel battery system 1, meanwhile, gas-liquid mixture steams again
It is refrigerant gas to send out, and the air entry of direct current refrigeration compressor 31 is made in refrigerant gas suction direct current refrigeration compressor 31
Refrigerant gas are compressed again in direct current refrigeration compressor 31.
The present invention can make full use of the electric energy and heat energy of fuel cell, meet the requirement of sustainable development, and economic benefit is carried
It is high；The heating efficiency of high temperature heat pump system of the present invention is high, and the hot water temperature for exporting outflow from hot water delivery pipe 324 is up to 80 DEG C
Above (reaching as high as 100 DEG C)；It is of the invention first generated electricity with PEMFC, then heated in the way of electrical energy drive heat pump, heating it is comprehensive
Closing efficiency can be to more than 1.5, far above the general electrically heated mode of use.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located in figure with parts in accompanying drawing and zero
Part position each other is intended merely to the clear and convenient of expression technology scheme come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment herein-above set forth and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. the high-temperature heat-pump water-heater that a proton exchanging film fuel battery drives, it is characterised in that including PEM combustion
Material battery system, cooling system and high temperature heat pump system, the cooling system, proton exchange film fuel battery system and warm high
Pumping system is sequentially communicated composition chilled(cooling) water return (CWR), and the proton exchange film fuel battery system generates direct current, the direct current
Stable DC electricity is converted into, directly output or stable DC electric drive high temperature heat pump system realize high temperature to the stable DC electricity
Hot water is exported, and the proton exchange film fuel battery system, warm high are flowed through successively from the cooling water of cooling system outflow
Pumping system, and cooling system is returned, the cooling water absorbs heat in the proton exchange film fuel battery system, then described
Heat release in high temperature heat pump system, and cooled down in the cooling system.
2. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 1 drives, it is characterised in that institute
Stating proton exchange film fuel battery system includes hydrogen supply loop, air supply loop, proton exchange film fuel cell electric piling
And DC-DC converter, the hydrogen supply loop and air supply loop be all connected with proton exchange film fuel cell electric piling,
The hydrogen supply loop supplies hydrogen, and air is supplied in the air supply loop, and the oxygen in hydrogen and air is handed in proton
The generation direct current that reacts is changed in film fuel cell electric piling, and it is straight that direct current is converted into stabilization by the DC-DC converter
Stream electricity, remaining trace hydrogen is discharged in air through the first magnetic valve after reaction, and the reacted weary gas of air is discharged into air
In.
3. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 2 drives, it is characterised in that institute
Stating hydrogen supply loop includes high-pressure hydrogen storage, pressure-reducing valve, check valve, hand stop valve and explosion-proof solenoid valve, the high pressure
Hydrogen storage vessel, pressure-reducing valve, check valve, hand stop valve and explosion-proof solenoid valve are sequentially connected, hydrogen from high-pressure hydrogen storage out,
Sequentially pass through pressure-reducing valve, check valve, hand stop valve and explosion-proof solenoid valve and enter proton exchange film fuel cell electric piling；The sky
Gas supply loop includes air filter, muffler and air compressor, the air filter, muffler and air compressor
It is sequentially connected, by entering air compressor after air filter, muffler treatment, the air compressor is by air liter for air
Pressure, and send into proton exchange film fuel cell electric piling.
4. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 1 drives, it is characterised in that institute
High temperature heat pump system is stated including direct current refrigeration compressor, heat pump water box, restricting element, evaporator and is arranged in heat pump water box
Condenser, the direct current refrigeration compressor, condenser, restricting element and evaporator are sequentially connected composition refrigerant loop, described
The stable DC electric drive direct current refrigeration compressor operating of proton exchange film fuel battery system output, the direct current refrigerant compression
The condenser that machine enters in heat pump water box refrigerant gas boil down to high temperature and high pressure gas, the HTHP gas, the height
Warm high pressure gas complete the exothermic process to hot water to be added in heat pump water box within the condenser, and the condenser is located at heat pump water box
Bottom, the two ends of the condenser connect direct current refrigeration compressor and restricting element respectively.
5. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 4 drives, it is characterised in that institute
Heat pump water box is stated for bearing insulated water box, the bearing insulated water box includes outer courage, inner bag, heat-insulation layer, cold water inlet and heat
Water delivery pipe, the inner bag is located at the inner side of heat-insulation layer, and the heat-insulation layer is located between inner bag and outer courage, the cold water inlet
Inner bag is connected with hot water delivery pipe, one end connection running water pipe or the elevated tank of the cold water inlet, the cold water enter
The other end of water pipe inserts the bottom of inner bag, and the top of inner bag, the hot water delivery pipe are inserted in one end of the hot water delivery pipe
The other end by the output of solenoid valve control hot water.
6. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 4 drives, it is characterised in that institute
Refrigerant is stated for high temperature refrigerant, the evaporating temperature scope of the refrigerant is 45-65 DEG C, the condensation temperature scope of the refrigerant
It is 85-105 DEG C；The high temperature heat pump system also includes gas-liquid separator, and the gas-liquid separator is located at evaporator and DC system
Between cold compressor, the gas-liquid separator is separated unevaporated gas-liquid mixture.
7. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 5 drives, it is characterised in that institute
Condenser is stated in the form of condenser coil, the hot water directly contact to be added in the outside and inner bag of the condenser coil.
8. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 5 drives, it is characterised in that institute
Condenser is stated in the form of condenser coil is wrapped on inner bladder outer wall, the condenser coil does not connect directly with the water in inner bag
Touch.
9. the high-temperature heat-pump water-heater that Proton Exchange Membrane Fuel Cells according to claim 1 drives, it is characterised in that institute
Stating cooling system includes radiator, cooling fan, water pump and by-passing valve, and the cooling fan accelerates the right of radiator extraneous air
Stream, the by-passing valve and radiator are in parallel, and the water pump draws water from the bottom of radiator, and pumps into Proton Exchange Membrane Fuel Cells
System, at 45-65 DEG C, water temperature pumps into matter to the water temperature control at the radiator outlet by cooling fan and bypass valve regulation
The reaction heat temperature that water in proton exchange fuel cell system takes away proton exchange film fuel battery system is raised, and absorbs matter
The water of proton exchange fuel cell system reaction heat flows out from proton exchange film fuel battery system, and enters high temperature heat pump system
The evaporator of system, the water temperature of the water flowed out from proton exchange film fuel battery system is adjusted control by the rotating speed of water pump
At 50-70 DEG C.
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Application publication date: 20170613 |