CN108361679A - The system and method energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat - Google Patents
The system and method energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat Download PDFInfo
- Publication number
- CN108361679A CN108361679A CN201810290207.5A CN201810290207A CN108361679A CN 108361679 A CN108361679 A CN 108361679A CN 201810290207 A CN201810290207 A CN 201810290207A CN 108361679 A CN108361679 A CN 108361679A
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- Prior art keywords
- water
- lithium bromide
- level
- outlet
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 101
- 239000007789 gas Substances 0.000 title claims abstract description 85
- 239000000446 fuel Substances 0.000 title claims abstract description 71
- 239000012528 membrane Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 14
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 258
- 239000003546 flue gas Substances 0.000 claims abstract description 65
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000498 cooling water Substances 0.000 claims abstract description 53
- 230000008676 import Effects 0.000 claims abstract description 47
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 102000006270 Proton Pumps Human genes 0.000 claims abstract description 3
- 108010083204 Proton Pumps Proteins 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 169
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 25
- 238000004378 air conditioning Methods 0.000 claims description 14
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 12
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052794 bromium Inorganic materials 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 12
- 239000008236 heating water Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 8
- 239000003517 fume Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 239000003345 natural gas Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 4
- 230000031709 bromination Effects 0.000 claims description 3
- 238000005893 bromination reaction Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 229940059936 lithium bromide Drugs 0.000 description 86
- 239000002699 waste material Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Fuel Cell (AREA)
Abstract
A kind of system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat, including gas turbine, waste heat boiler, condensed heat exchanger, lithium bromide absorption type heat pump, Proton Exchange Membrane Fuel Cells, gas turbine flue gas outlet is connect with exhaust-heat boiler flue gas import, exhaust-heat boiler flue gas outlet is connect with condensed heat exchanger gas inlet, waste heat boiler steam (vapor) outlet is connect with lithium bromide absorption type heat pump driving heat source import, and Proton Exchange Membrane Fuel Cells cooling water outlet is connect with lithium bromide absorption type heat pump low-temperature heat source import.And provide a kind of method energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat.The efficiency of energy utilization of the present invention is high, good in economic efficiency, eliminates the income that system is also improved while thermal pollution.
Description
Technical field
The present invention relates to a kind of system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat and sides
Method is a kind of system and method that can recycle Proton Exchange Membrane Fuel Cells and gas turbine waste heat, belongs to waste heat recovery profit
Use technical field.
Background technology
Gas turbine is widely used in distributed multi-generation system, and gas turbine needs natural gas progress of burning when working
Power generation, traditional plenum system are all to carry out gaseous-pressure adjustment using gas pressure regulating valve, waste portion of natural gas interior energy.Combustion
Gas-turbine is capable of providing a large amount of 400 DEG C or more of high-temperature flue gas while power generation, generally by waste heat boiler prepare hot water or
The flue gas of steam, waste heat boiler discharge is often directly discharged in environment, causes energy waste.Such as《Heating,Ventilating and Air Conditioning》2013
8th phase 63-66,57 page totally 5, disclosed flexible hotspot stress small size gas turbine co-feeding system performance study.
Proton Exchange Membrane Fuel Cells has many advantages, such as that long lifespan, current density are big and is widely applied, such as General Corporation and
Dongle establishes the power stations PEMFC of 35MW in Texas, before Proton Exchange Membrane Fuel Cells has greatly in distributed power generation field
Scape.Proton Exchange Membrane Fuel Cells will produce a large amount of 50-90 DEG C of waste heat when working, typically pass through these waste heat cold
But water is cooled down, or is carried out simple heat exchange and prepared low-quality hot water, and the mode of this kind of waste heat management is more traditional, together
When will also result in the waste of a large amount of low-quality energy.
Lithium bromide absorption type heat pump can generate a large amount of heating heat using the heat of medium temperature quality as drive energy
Water, the extensive use in large coal-fired power plant cogeneration of heat and power at home of this UTILIZATION OF VESIDUAL HEAT IN mode.Lithium bromide absorbing type refrigeration
Machine can also be worked using waste heat, prepare air conditioner cold water, be suitble to use in the place for having sufficient middle low-temperature waste heat, for
Different driving heat sources can be worked between lithium-bromide absorption-type refrigerating machine with serial or parallel connection, effectively promote exhaust heat utilization effect.
The kinetic energy contained in fluid can be converted to mechanical energy by turbine, the energy of high pressure gas can be utilized defeated outward
Go out mechanical energy, and effectively reduce the pressure of gas, takes full advantage of the energy lost when gas pressure change, there is considerable section
It can effect.
Proton Exchange Membrane Fuel Cells and the UTILIZATION OF VESIDUAL HEAT IN link of gas turbine combined type system are not yet fully excavated at present,
It is still necessary to further increase for the efficiency of energy utilization of system.
Invention content
In order to overcome Proton Exchange Membrane Fuel Cells in the prior art and energy profit existing for gas turbine combined type system
With less efficient deficiency, a kind of further digging utilization Proton Exchange Membrane Fuel Cells of present invention offer is combined with gas turbine
Each link waste heat of formula system promotes efficiency of energy utilization, increases economic well-being of workers and staff, reduces the utilization proton exchange membrane combustion of waste heat pollution
The system and method that material battery is energized with gas turbine waste heat.
Technical solution is used by the present invention solves the above problems：
A kind of system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat, including gas turbine,
Waste heat boiler, condensed heat exchanger, low-temperature flue gas pipeline, flue gas by-passing valve, flue gas by-pass line, supplies medium temperature flue
Warm water return pipeline, fume afterheat utilize hot water pipeline, heating manifold, lithium bromide absorption type heat pump, steam triple valve and condensate pipe
Road, the exhanst gas outlet of the gas turbine and the gas inlet of waste heat boiler connect, and the exhanst gas outlet of the waste heat boiler passes through
The gas inlet of medium temperature flue and condensed heat exchanger connects, the exhanst gas outlet and low temperature of the condensed heat exchanger
Flue connects, and is connected on medium temperature flue by the import of the flue gas by-passing valve, the outlet of the flue gas by-passing valve with
Flue gas by-pass line connects, the heating water return pipeline water side-entrance with condensed heat exchanger and suction-type lithium bromide respectively
The heating import of heat pump connects, and the water side outlet of the condensed heat exchanger is connected to by fume afterheat using hot water pipeline
It heats on manifold, the heating outlet of the lithium bromide absorption type heat pump is connect with heating manifold, and the steam of the waste heat boiler goes out
Mouth is connect with the import of steam triple valve, the driving heat source of the direct current outlet and lithium bromide absorption type heat pump of the steam triple valve
Import connects, and the driving heat source outlet of the lithium bromide absorption type heat pump is connected by the condensate import of condensate pipeline and waste heat boiler
It connects.
Preferably, the invention also includes Proton Exchange Membrane Fuel Cells, water circulating pump, remaining hot water triple valve and waste heats to return
The import of water pipe, the cooling water outlet and water circulating pump of the Proton Exchange Membrane Fuel Cells connects, and the water circulating pump goes out
Mouth is connect with the import of remaining hot water triple valve, the low temperature of the direct current outlet and lithium bromide absorption type heat pump of the remaining hot water triple valve
Heat source import connects, and the low-temperature heat source outlet of the lithium bromide absorption type heat pump passes through waste heat return pipe and pem fuel
The cooling water inlet of battery connects.
Preferably, the invention also includes air-conditioning water return pipeline, level-one lithium bromide refrigerator, two level lithium bromide refrigerator,
Air-conditioning water supply line, cooling water pipeline, level-one cryocooled water water return pipeline, two stage cooler cooling water return pipe
Road, waste heat bypass water return pipeline and condensate bypass water return pipeline, and the air-conditioning water return pipeline is cold with level-one lithium bromide refrigerator
Freeze water inlet connection, the chilled water outlet of the level-one lithium bromide refrigerator connects with the chilled water import of two level lithium bromide refrigerator
It connects, the chilled water outlet of the two level lithium bromide refrigerator is connect with air-conditioning water supply line, the cooling water pipeline difference
It is connect with the cooling water inlet of the cooling water inlet of level-one lithium bromide refrigerator and two level lithium bromide refrigerator, the level-one bromination
The cooling water outlet of lithium refrigeration machine is connect with level-one cryocooled water water return pipeline, the cooling of the two level lithium bromide refrigerator
Water out is connect with two stage cooler cooling water return pipe road, Bypass outlet and the level-one lithium bromide system of the remaining hot water triple valve
The driving heat source import of cold connects, and the driving heat source of the level-one lithium bromide refrigerator is exported bypasses water return pipeline by waste heat
It is connected on waste heat return pipe, the by-pass flow outlet of the steam triple valve connects with the driving heat source import of two level lithium bromide refrigerator
It connects, the driving heat source outlet of the two level lithium bromide refrigerator is bypassed by condensate to be connected on by water return pipeline on condensate pipeline.
Preferably, the invention also includes high-pressure air feed pipeline, turbine, gas turbine steam line, transmission device and
Auxiliary pump, the import connection of the high-pressure air feed pipeline and turbine, the outlet of the turbine is supplied by gas turbine
Pipeline is connect with gas turbine, and the mechanical energy outlet of the turbine is connected by the power import of transmission device and auxiliary pump
It connects, the water side-entrance of the auxiliary pump and the cooling water outlet of Proton Exchange Membrane Fuel Cells connect, the auxiliary pump
Water side outlet is connect with the import of remaining hot water triple valve.
Preferably, condensed heat exchanger of the present invention is anti-corrosion efficient heat exchanger.
Preferably, water circulating pump of the present invention is variable frequency pump.
Preferably, remaining hot water triple valve of the present invention and steam triple valve are interlocked control valve.
A method of energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat, the method includes with
Lower step：
(1) when winter, flue gas by-passing valve is closed, and steam triple valve is in DC channel position, the interlocking of remaining hot water triple valve
DC channel position is acted, level-one lithium bromide refrigerator does not work with two level lithium bromide refrigerator at this time, and system is defeated outward
Send heating hot water；Gas turbine work heel row goes out flue gas, and flue gas enters waste heat boiler and generates steam, and steam enters lithium bromide absorption
Formula heat pump drives heat pump work, condensate to be then returned to waste heat boiler and continue to heat, and the flue gas of waste heat boiler discharge enters condensing
Heat exchanger heating part heat supply network return water, the smoke exhaust system utilized；Another part heat supply network return water is sent into lithium bromide absorption
Formula heat pump, the hot net water that the hot net water after heating is flowed out with condensed heat exchanger are sent to user after converging；Proton exchange
The cooling water of membrane cell is sent to lithium bromide absorption type heat pump as low-temperature heat source by water circulating pump, and proton friendship is returned after cooling
Change membrane cell, circulating cooling Proton Exchange Membrane Fuel Cells；
(2) when summer, flue gas by-passing valve is opened, and steam triple valve is in by-pass flow via positions, the interlocking of remaining hot water triple valve
By-pass flow via positions are acted, lithium bromide absorption type heat pump and condensed heat exchanger do not work at this time, and system conveys outward
Chilled water；The cooling water of Proton Exchange Membrane Fuel Cells is sent to level-one lithium bromide refrigerator as driving heat source by water circulating pump,
Proton Exchange Membrane Fuel Cells, circulating cooling Proton Exchange Membrane Fuel Cells are returned after cooling；Gas turbine work heel row smoke
Gas, flue gas enter waste heat boiler and generate steam, and steam enters the driving refrigeration machine work of two level lithium bromide refrigerator, and condensate is then returned
It returns waste heat boiler and continues cycling through heating, the flue gas of waste heat boiler discharge passes through flue gas by-passing valve discharge system；Air conditioner water passes through successively
It crosses level-one lithium bromide refrigerator with two level lithium bromide refrigerator to freeze, the air conditioner water after refrigeration is sent to user, cooling simultaneously
Water respectively enters level-one lithium bromide refrigerator and is cooled down to it with two level lithium bromide refrigerator, and system then is discharged in cooling water
System；
(3) when gas turbine works, turbine works at the same time, and gas supply conduit pressure is adjusted to desired value, while to
Auxiliary pump output mechanical energy, auxiliary pump are started to work, and the circulation industrial of partial PEM fuel cell cooling water is undertaken
Make.
Preferably, the method has with lower channel：Natural gas produces flue gas after entering gas turbine work and is discharged,
Waste heat boiler is subsequently entered, discharge after condensed heat exchanger is entered back into and forms combustion gas-exhaust gases passes；Flue gas is from waste heat boiler
Discharge, flows out to form flue gas bypass passageways through flue gas by-passing valve；Heating water return is respectively fed to condensed heat exchanger and lithium bromide
Absorption heat pump converges to form heating water heating channel after discharge；Steam is flowed out from waste heat boiler, straight by steam triple valve
Outflux enters lithium bromide absorption type heat pump, is then returned to waste heat boiler and forms heat pump driving heat source channel；Steam is from waste heat pot
It is flowed out in stove, enters two level lithium bromide refrigerator by steam triple valve by-pass flow outlet, be then returned to waste heat boiler and form two level
Bromine cooling machine driving heat source channel；Remaining hot water is flowed out from Proton Exchange Membrane Fuel Cells, flows separately through water circulating pump and auxiliary water
Pump enters lithium bromide absorption type heat pump by the direct current outlet of remaining hot water triple valve, is then returned to Proton Exchange Membrane Fuel Cells
Form level-one bromine cooling machine driving heat source channel；Remaining hot water is flowed out from Proton Exchange Membrane Fuel Cells, flows separately through water circulating pump
And auxiliary pump, level-one lithium bromide refrigerator is entered by the by-pass flow outlet of remaining hot water triple valve, is then returned to proton exchange membrane
Fuel cell forms remaining hot water driving heat source channel；Air conditioner water is followed by level-one lithium bromide refrigerator and two level lithium bromide refrigerating
It is discharged after machine, forms air conditioner water refrigerating channel；Cooling water respectively enters level-one lithium bromide refrigerator and two level lithium bromide refrigerator
After be discharged, formed bromine cooling machine cooling-water duct；Turbine sends mechanical energy to auxiliary pump by transmission device, forms machinery
It can transfer passage.
Compared with prior art, the present invention having the advantages that：1) the middle low temperature product of gas turbine are utilized step by step
The fume waste heat of matter, reduces thermal pollution, improves the efficiency of energy utilization of system；2) it can be made full use of in two season of summer in winter
The waste heat of Proton Exchange Membrane Fuel Cells, annual utilization rate of waste heat are high；3) system can be with winter heating, summer cooling, whole year fortune
The row time is long, high financial profit；4) natural pressure power drive pump operation is made full use of, it can also while reducing gas pressure
Output mechanical energy, the comprehensive energy efficiency of further lifting system；5) reasonable in design, design is unique, operates steadily, reliability
It is good；6) efficiency of energy utilization is high, good in economic efficiency, eliminates the income that system is also improved while thermal pollution.
Description of the drawings
Fig. 1 is the system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat in the embodiment of the present invention
Structural schematic diagram.
In figure：1, gas turbine；2, waste heat boiler；3, medium temperature flue；4, condensed heat exchanger；5, low-temperature flue gas
Pipeline；6, flue gas by-passing valve；7, flue gas by-pass line；8, heating water return pipeline；9, fume afterheat utilizes hot water pipeline；10, it supplies
Warm manifold；11, lithium bromide absorption type heat pump；12, steam triple valve；13, condensate pipeline；14, Proton Exchange Membrane Fuel Cells；
15, water circulating pump；16, remaining hot water triple valve；17, waste heat return pipe；18, air-conditioning water return pipeline；19, level-one lithium bromide refrigerating
Machine；20, two level lithium bromide refrigerator；21, air-conditioning water supply line；22, cooling water pipeline；23, level-one cryocooled water
Water return pipeline；24, two stage cooler cooling water return pipe road；25, waste heat bypasses water return pipeline；26, condensate bypasses water return pipeline；
27, high-pressure air feed pipeline；28, turbine；29, gas turbine steam line；30, transmission device；31, auxiliary pump.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
Referring to Fig.1, a kind of system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat, including combustion
Gas-turbine 1, waste heat boiler 2, medium temperature flue 3, condensed heat exchanger 4, low-temperature flue gas pipeline 5, flue gas by-passing valve 6, cigarette
Gas by-pass line 7, heating water return pipeline 8, fume afterheat utilize hot water pipeline 9, heating manifold 10, lithium bromide absorption type heat pump
11, steam triple valve 12, condensate pipeline 13, Proton Exchange Membrane Fuel Cells 14, water circulating pump 15, remaining hot water triple valve 16, remaining
Hot return pipe 17, air-conditioning water return pipeline 18, level-one lithium bromide refrigerator 19, two level lithium bromide refrigerator 20, air-conditioning water supply line
21, cooling water pipeline 22, level-one cryocooled water water return pipeline 23, two stage cooler cooling water return pipe road 24, remaining
Heat bypass water return pipeline 25, condensate bypass water return pipeline 26, high-pressure air feed pipeline 27, turbine 28, gas turbine steam line
29, transmission device 30 and auxiliary pump 31.Wherein, condensed heat exchanger 4 is anti-corrosion efficient heat exchanger, and water circulating pump 15 is
Variable frequency pump, remaining hot water triple valve 16 and steam triple valve 12 are interlocked control valve.
The exhanst gas outlet of gas turbine 1 in the present embodiment is connect with the gas inlet of waste heat boiler 2, waste heat boiler 2
Exhanst gas outlet is connect by medium temperature flue 3 with the gas inlet of condensed heat exchanger 4, the cigarette of condensed heat exchanger 4
Gas outlet is connect with low-temperature flue gas pipeline 5, is connected on by the import of flue gas by-passing valve 6 on medium temperature flue 3, flue gas by-passing valve 6
Outlet connect with flue gas by-pass line 7, heating water return pipeline 8 the water side-entrance with condensed heat exchanger 4 and bromination respectively
The heating import of lithium-absorbing formula heat pump 11 connects, and the water side outlet of condensed heat exchanger 4 utilizes hot-water line by fume afterheat
Road 9 is connected on heating manifold 10, and the heating outlet of lithium bromide absorption type heat pump 11 is connect with heating manifold 10, waste heat boiler 2
Steam (vapor) outlet connect with the import of steam triple valve 12, the outlet of the direct current of steam triple valve 12 and lithium bromide absorption type heat pump 11
Driving heat source import connection, the driving heat source outlet of lithium bromide absorption type heat pump 11 passes through condensate pipeline 13 and waste heat boiler 2
Condensate import connection.
The cooling water outlet of Proton Exchange Membrane Fuel Cells 14 in the present embodiment is connect with the import of water circulating pump 15, is followed
The outlet of ring water pump 15 is connect with the import of remaining hot water triple valve 16, the direct current outlet of remaining hot water triple valve 16 and lithium bromide absorption
The low-temperature heat source import of formula heat pump 11 connects, the low-temperature heat source outlet of lithium bromide absorption type heat pump 11 by waste heat return pipe 17 with
The cooling water inlet of Proton Exchange Membrane Fuel Cells 14 connects.
Air-conditioning water return pipeline 18 in the present embodiment is connect with the chilled water import of level-one lithium bromide refrigerator 19, level-one bromine
The chilled water outlet for changing lithium refrigeration machine 19 is connect with the chilled water import of two level lithium bromide refrigerator 20, two level lithium bromide refrigerator
20 chilled water outlet is connect with air-conditioning water supply line 21, cooling water pipeline 22 respectively with level-one lithium bromide refrigerator 19
Cooling water inlet is connected with the cooling water inlet of two level lithium bromide refrigerator 20, the cooling water outlet of level-one lithium bromide refrigerator 19
It is connect with level-one cryocooled water water return pipeline 23, the cooling water outlet and two stage cooler of two level lithium bromide refrigerator 20 are cold
But water water return pipeline 24 connects, the Bypass outlet of remaining hot water triple valve 16 and the driving heat source import of level-one lithium bromide refrigerator 19
Connection, the driving heat source outlet of level-one lithium bromide refrigerator 19 bypass water return pipeline 25 by waste heat and are connected to waste heat return pipe 17
On, the by-pass flow outlet of steam triple valve 12 is connect with the driving heat source import of two level lithium bromide refrigerator 20, two level lithium bromide system
The driving heat source outlet of cold 20 is bypassed by condensate to be connected on by water return pipeline 26 on condensate pipeline 13.
High-pressure air feed pipeline 27 in the present embodiment is connect with the import of turbine 28, and the outlet of turbine 28 passes through combustion gas
Turbine steam line 29 is connect with gas turbine 1, and the mechanical energy outlet of turbine 28 passes through transmission device 30 and auxiliary pump 31
Power import connection, the water side-entrance of auxiliary pump 31 is connect with the cooling water outlet of Proton Exchange Membrane Fuel Cells 14, auxiliary
The water side outlet of water pump 31 is helped to be connect with the import of remaining hot water triple valve 16.
The system energized with gas turbine waste heat using Proton Exchange Membrane Fuel Cells in the present embodiment includes following
Channel：Natural gas enters production flue gas after gas turbine 1 works and is discharged, and subsequently enters waste heat boiler 2, enters back into condensing heat
Discharge forms combustion gas-exhaust gases passes after exchanger 4；Flue gas is discharged from waste heat boiler 2, and flue gas is formed through the outflow of flue gas by-passing valve 6
Bypass passageways；Heating water return is respectively fed to condensed heat exchanger 4 and lithium bromide absorption type heat pump 11, converges to form confession after discharge
Warm water heats channel；Steam is flowed out from waste heat boiler 2, enters suction-type lithium bromide heat by the outlet of 12 direct current of steam triple valve
Pump 11 is then returned to waste heat boiler 2 and forms heat pump driving heat source channel；Steam is flowed out from waste heat boiler 2, by steam threeway
12 by-pass flow of valve outlet enters two level lithium bromide refrigerator 20, and it is logical to be then returned to the formation two level bromine cooling machine driving heat source of waste heat boiler 2
Road；Remaining hot water is flowed out from Proton Exchange Membrane Fuel Cells 14, is flowed separately through water circulating pump 11 and auxiliary pump 31, is passed through waste heat
The direct current outlet of water triple valve 16 enters lithium bromide absorption type heat pump 11, is then returned to Proton Exchange Membrane Fuel Cells 14 and forms one
Grade bromine cooling machine driving heat source channel；Remaining hot water is flowed out from Proton Exchange Membrane Fuel Cells 14, flows separately through 11 He of water circulating pump
Auxiliary pump 31 enters level-one lithium bromide refrigerator 19 by the by-pass flow outlet of remaining hot water triple valve 16, is then returned to proton friendship
It changes membrane cell 14 and forms remaining hot water driving heat source channel；Air conditioner water is followed by level-one lithium bromide refrigerator 19 and two level bromine
It is discharged after changing lithium refrigeration machine 20, forms air conditioner water refrigerating channel；Cooling water respectively enters level-one lithium bromide refrigerator 19 and two level
It is discharged after lithium bromide refrigerator 20, forms bromine cooling machine cooling-water duct；Turbine 28 is transmitted mechanical energy by transmission device 30
To auxiliary pump 31, mechanical energy transfer passage is formed.
A method of it is energized, is included the following steps using Proton Exchange Membrane Fuel Cells and gas turbine waste heat：
(1) when winter, flue gas by-passing valve 6 is closed, and steam triple valve 12 is in DC channel position, remaining hot water triple valve 16
Interlocking action does not work to DC channel position, at this time level-one lithium bromide refrigerator 19 with two level lithium bromide refrigerator 20, is
System conveys heating hot water outward；The work of gas turbine 1 heel row goes out flue gas, and flue gas enters waste heat boiler 2 and generates steam, and steam enters
Lithium bromide absorption type heat pump 11 drives heat pump work, condensate to be then returned to waste heat boiler 2 and continue to heat, what waste heat boiler 2 was discharged
Flue gas enters 4 heating part heat supply network return water of condensed heat exchanger, the smoke exhaust system utilized；Another part heat supply network return water
It is sent into lithium bromide absorption type heat pump 11 to heat, after the hot net water that the hot net water after heating is flowed out with condensed heat exchanger 4 converges
It is sent to user；The cooling water of Proton Exchange Membrane Fuel Cells 14 is sent to lithium bromide absorption type heat pump 11 as low by water circulating pump 15
Temperature-heat-source returns to Proton Exchange Membrane Fuel Cells 14, circulating cooling Proton Exchange Membrane Fuel Cells 14 after cooling.
(2) when summer, flue gas by-passing valve 6 is opened, and steam triple valve 12 is in by-pass flow via positions, remaining hot water triple valve 16
Interlocking action is to by-pass flow via positions, and lithium bromide absorption type heat pump 11 and condensed heat exchanger 4 do not work at this time, system to
Outer conveying chilled water；The cooling water of Proton Exchange Membrane Fuel Cells 14 is sent to level-one lithium bromide refrigerator 19 by water circulating pump 15 and makees
For driving heat source, Proton Exchange Membrane Fuel Cells 14, circulating cooling Proton Exchange Membrane Fuel Cells 14 are returned after cooling；Combustion gas wheel
The work of machine 1 heel row goes out flue gas, and flue gas enters waste heat boiler 2 and generates steam, and steam enters the driving system of two level lithium bromide refrigerator 20
Cold works, and condensate is then returned to waste heat boiler 2 and continues cycling through heating, and the flue gas that waste heat boiler 2 is discharged passes through flue gas by-passing valve 6
Discharge system；Air conditioner water freezes by level-one lithium bromide refrigerator 19 with two level lithium bromide refrigerator 20 successively, after refrigeration
Air conditioner water be sent to user, while cooling water respectively enters level-one lithium bromide refrigerator 19 with two level lithium bromide refrigerator 20 to it
It is cooled down, then by cooling water discharge system.
(3) when gas turbine 1 works, turbine 28 works at the same time, and gas supply conduit pressure is adjusted to desired value, simultaneously
To 31 output mechanical energy of auxiliary pump, auxiliary pump 31 is started to work, and 14 cooling water of partial PEM fuel cell is undertaken
Cycle operation.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Claiming etc. can be different, described in this specification above content is only to structure of the invention example explanation.It is all according to
The equivalence changes or simple change done according to the structure, feature and principle described in inventional idea of the present invention, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various
The modify or supplement or adopt similar mode of various kinds substitutes, and without departing from structure of the invention or surmounts present claims
Range defined in book, is within the scope of protection of the invention.
Claims (9)
1. a kind of system energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat, including gas turbine,
It is characterized in that：The system also includes waste heat boiler, medium temperature flue, condensed heat exchanger, low-temperature flue gas pipeline, flue gases
By-passing valve, flue gas by-pass line, heating water return pipeline, fume afterheat utilize hot water pipeline, heating manifold, suction-type lithium bromide heat
Pump, steam triple valve and condensate pipeline, the exhanst gas outlet of the gas turbine and the gas inlet of waste heat boiler connect, described remaining
The exhanst gas outlet of heat boiler is connected by the gas inlet of medium temperature flue and condensed heat exchanger, and the condensing heat is handed over
The exhanst gas outlet of parallel operation is connect with low-temperature flue gas pipeline, is connected on medium temperature flue by the import of the flue gas by-passing valve, institute
The outlet for stating flue gas by-passing valve is connect with flue gas by-pass line, the heating water return pipeline respectively with the water of condensed heat exchanger
Side-entrance is connected with the heating import of lithium bromide absorption type heat pump, and the water side outlet of the condensed heat exchanger is by more than flue gas
Heat utilization hot water pipeline is connected on heating manifold, and the heating outlet of the lithium bromide absorption type heat pump is connect with heating manifold,
The steam (vapor) outlet of the waste heat boiler is connect with the import of steam triple valve, the direct current outlet of the steam triple valve and lithium bromide
The driving heat source import of absorption heat pump connects, the driving heat source outlet of the lithium bromide absorption type heat pump by condensate pipeline with
The condensate import of waste heat boiler connects.
2. the system according to claim 1 energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat,
It is characterized in that：The system also includes Proton Exchange Membrane Fuel Cells, water circulating pump, remaining hot water triple valve and waste heat return water
The import of pipe, the cooling water outlet and water circulating pump of the Proton Exchange Membrane Fuel Cells connects, the outlet of the water circulating pump
It is connect with the import of remaining hot water triple valve, the Low Temperature Thermal of the direct current outlet and lithium bromide absorption type heat pump of the remaining hot water triple valve
The low-temperature heat source outlet of source import connection, the lithium bromide absorption type heat pump passes through waste heat return pipe and pem fuel electricity
The cooling water inlet in pond connects.
3. according to claim 1 or 2 be with what gas turbine waste heat was energized using Proton Exchange Membrane Fuel Cells
System, it is characterised in that：The system also includes air-conditioning water return pipeline, level-one lithium bromide refrigerator, two level lithium bromide refrigerator, skies
Adjust water supply line, cooling water pipeline, level-one cryocooled water water return pipeline, two stage cooler cooling water return pipe road,
Waste heat bypasses water return pipeline and condensate bypasses water return pipeline, the chilled water of the air-conditioning water return pipeline and level-one lithium bromide refrigerator
Import connects, and the chilled water outlet of the level-one lithium bromide refrigerator is connect with the chilled water import of two level lithium bromide refrigerator,
The chilled water outlet of the two level lithium bromide refrigerator is connect with air-conditioning water supply line, and the cooling water pipeline is respectively with one
The cooling water inlet of grade lithium bromide refrigerator is connected with the cooling water inlet of two level lithium bromide refrigerator, the level-one lithium bromide system
The cooling water outlet of cold is connect with level-one cryocooled water water return pipeline, and the cooling water of the two level lithium bromide refrigerator goes out
Mouth is connect with two stage cooler cooling water return pipe road, Bypass outlet and the level-one lithium bromide refrigerator of the remaining hot water triple valve
Driving heat source import connection, the level-one lithium bromide refrigerator driving heat source outlet by waste heat bypass water return pipeline connect
On waste heat return pipe, the by-pass flow outlet of the steam triple valve is connect with the driving heat source import of two level lithium bromide refrigerator,
The driving heat source outlet of the two level lithium bromide refrigerator is bypassed by condensate to be connected on by water return pipeline on condensate pipeline.
4. the system according to claim 2 energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat,
It is characterized in that：The system also includes high-pressure air feed pipeline, turbine, gas turbine steam line, transmission device and auxiliary
Water pump, the import connection of the high-pressure air feed pipeline and turbine, the outlet of the turbine passes through gas turbine steam line
It is connect with gas turbine, the mechanical energy outlet of the turbine is connected by the power import of transmission device and auxiliary pump, institute
The cooling water outlet of the water side-entrance and Proton Exchange Membrane Fuel Cells of stating auxiliary pump connects, and the water side of the auxiliary pump goes out
Mouth is connect with the import of remaining hot water triple valve.
5. according to claim 1 or 2 be with what gas turbine waste heat was energized using Proton Exchange Membrane Fuel Cells
System, it is characterised in that：The condensed heat exchanger is anti-corrosion efficient heat exchanger.
6. the system according to claim 2 energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat,
It is characterized in that：The water circulating pump is variable frequency pump.
7. the system according to claim 2 energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat,
It is characterized in that：The remaining hot water triple valve and steam triple valve are interlocked control valve.
8. a kind of system as described in claim 1 energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat
The method of realization, it is characterised in that：It the described method comprises the following steps：
(1) when winter, flue gas by-passing valve is closed, and steam triple valve is in DC channel position, remaining hot water triple valve interlocking action
To DC channel position, level-one lithium bromide refrigerator does not work with two level lithium bromide refrigerator at this time, and system conveys confession outward
Warm heat water；Gas turbine work heel row goes out flue gas, and flue gas enters waste heat boiler and generates steam, and steam enters suction-type lithium bromide heat
Pump driving heat pump work, condensate are then returned to waste heat boiler and continue to heat, and the flue gas of waste heat boiler discharge enters the friendship of condensing heat
Parallel operation heating part heat supply network return water, the smoke exhaust system utilized；Another part heat supply network return water is sent into suction-type lithium bromide heat
Pump heating, the hot net water that the hot net water after heating is flowed out with condensed heat exchanger are sent to user after converging；Proton exchange membrane is fired
Expect that the cooling water of battery is sent to lithium bromide absorption type heat pump as low-temperature heat source by water circulating pump, proton exchange membrane is returned after cooling
Fuel cell, circulating cooling Proton Exchange Membrane Fuel Cells；
(2) when summer, flue gas by-passing valve is opened, and steam triple valve is in by-pass flow via positions, remaining hot water triple valve interlocking action
To by-pass flow via positions, lithium bromide absorption type heat pump and condensed heat exchanger do not work at this time, and system conveys freezing outward
Water；The cooling water of Proton Exchange Membrane Fuel Cells is sent to level-one lithium bromide refrigerator as driving heat source, cooling by water circulating pump
After return to Proton Exchange Membrane Fuel Cells, circulating cooling Proton Exchange Membrane Fuel Cells；Gas turbine work heel row goes out flue gas, cigarette
Gas enters waste heat boiler and generates steam, and steam enters the driving refrigeration machine work of two level lithium bromide refrigerator, and condensate is then returned to remaining
Heat boiler continues cycling through heating, and the flue gas of waste heat boiler discharge passes through flue gas by-passing valve discharge system；Air conditioner water passes through one successively
Grade lithium bromide refrigerator freezes with two level lithium bromide refrigerator, and the air conditioner water after refrigeration is sent to user, while cooling moisture
Not Jin Ru level-one lithium bromide refrigerator it is cooled down with two level lithium bromide refrigerator, then by cooling water discharge system；
(3) when gas turbine works, turbine works at the same time, and gas supply conduit pressure is adjusted to desired value, while to auxiliary
Water pump output mechanical energy, auxiliary pump are started to work, and the cycle operation of partial PEM fuel cell cooling water is undertaken.
9. according to the method described in claim 8, it is characterized in that：The method has with lower channel：Natural gas enters combustion gas
Flue gas is produced after turbine work and is discharged, waste heat boiler is subsequently entered, and enters back into discharge formation combustion after condensed heat exchanger
Gas-exhaust gases passes；Flue gas is discharged from waste heat boiler, flows out to form flue gas bypass passageways through flue gas by-passing valve；Heating water return is distinguished
It is sent into condensed heat exchanger and lithium bromide absorption type heat pump, converges to form heating water heating channel after discharge；Steam is from waste heat
It is flowed out in boiler, enters lithium bromide absorption type heat pump by the outlet of steam triple valve direct current, be then returned to waste heat boiler and form heat
Pump driving heat source channel；Steam is flowed out from waste heat boiler, enters two level lithium bromide refrigerating by steam triple valve by-pass flow outlet
Machine is then returned to waste heat boiler and forms two level bromine cooling machine driving heat source channel；Remaining hot water is flowed from Proton Exchange Membrane Fuel Cells
Go out, flow separately through water circulating pump and auxiliary pump, lithium bromide absorption type heat pump is entered by the direct current outlet of remaining hot water triple valve,
It is then returned to Proton Exchange Membrane Fuel Cells and forms level-one bromine cooling machine driving heat source channel；Remaining hot water is electric from pem fuel
It is flowed out in pond, flows separately through water circulating pump and auxiliary pump, level-one lithium bromide is entered by the by-pass flow outlet of remaining hot water triple valve
Refrigeration machine is then returned to Proton Exchange Membrane Fuel Cells and forms remaining hot water driving heat source channel；Air conditioner water is followed by level-one bromine
It is discharged after changing lithium refrigeration machine and two level lithium bromide refrigerator, forms air conditioner water refrigerating channel；Cooling water respectively enters level-one bromination
It is discharged after lithium refrigeration machine and two level lithium bromide refrigerator, forms bromine cooling machine cooling-water duct；Turbine is by transmission device by machine
Tool can send auxiliary pump to, form mechanical energy transfer passage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810290207.5A CN108361679B (en) | 2018-04-03 | 2018-04-03 | System and method for supplying energy by utilizing waste heat of proton exchange membrane fuel cell and gas turbine |
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| CN201810290207.5A CN108361679B (en) | 2018-04-03 | 2018-04-03 | System and method for supplying energy by utilizing waste heat of proton exchange membrane fuel cell and gas turbine |
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