CN106196697B - Thermoelectricity unit and its peak regulating method associated with steam drive heat pump and regenerative apparatus - Google Patents

Thermoelectricity unit and its peak regulating method associated with steam drive heat pump and regenerative apparatus Download PDF

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Publication number
CN106196697B
CN106196697B CN201610609405.4A CN201610609405A CN106196697B CN 106196697 B CN106196697 B CN 106196697B CN 201610609405 A CN201610609405 A CN 201610609405A CN 106196697 B CN106196697 B CN 106196697B
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heat
steam
valve
heat pump
turbine
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CN106196697A (en
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戈志华
孙健
杨勇平
杨志平
席新铭
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North China Electric Power University
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North China Electric Power University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/105—Final actuators by passing part of the fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • 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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention belongs to technical field of thermoelectricity, it is related to thermoelectricity unit and its peak regulating method associated with a kind of steam drive heat pump and regenerative apparatus.The basic constitution element of unit is steam turbine, steam drive heat pump and regenerative apparatus, can be used for peak load regulation network.It is combined by steam drive heat pump and regenerative apparatus, requires to carry out accumulation of heat pattern according to the power generation dispatching of steam power plant and Heat release mode switches, realize the purpose for the online generated energy for ensureing that heat supply changes simultaneously steam power plant；Steam exhaust heat is recycled by the evaporator of condenser and steam drive heat pump, reduces the heat cost of steam power plant.The present invention improves the power generation peak adjusting range of steam power plant, and then increases the electric adjustment range of power grid, and more online generating dutations, final the problems such as solving " abandoning wind " are provided for regenerative resources such as wind-powered electricity generations；Steam exhaust heat is recycled by using the present invention for the steam power plant that heat capacity is limited, external heat capacity can be promoted.The present invention is suitable for participating in the cogeneration units of peak load regulation network.

Description

Thermoelectricity unit and its peak regulating method associated with steam drive heat pump and regenerative apparatus
Technical field
The invention belongs to technical field of thermoelectricity, more particularly to thermoelectric perpetual motion machine associated with a kind of steam drive heat pump and regenerative apparatus Group and its peak regulating method.
Background technology
The regenerative resources such as China's wind-powered electricity generation ratio in energy resource structure gradually rises and is mainly distributed on northern area, and The northern area of China generating set is run using " electricity determining by heat " simultaneously based on cogeneration of heat and power, and two kinds of generation loads are in time ruler The coincidence of degree and space scale leads to " abandoning wind " getting worse.It is real how cogeneration units power generation adjustable range is promoted Existing " thermoelectricity decoupling " dissolves the regenerative resources such as more wind-powered electricity generations so as to power grid, while promoting co-generation unit using energy source effect Rate becomes the research topic having important practical significance.There is high back pressure heat supply in current steam power plant's heat recovery technology, absorb Formula heat pump and steam drive compression heat pump technology improve efficiency of energy utilization although having recycled exhaust steam in steam turbine, supply The present situation that heat and generating power conditions each other does not change, and after these UTILIZATION OF VESIDUAL HEAT IN modes, generated energy is simultaneously by main steam Amount, steam extraction parameter and flow and steam exhaust parameter and flow restrict, and the limitation between electricity and heat supply is more prominent, it is therefore desirable to one Kind can recycle steam exhaust heat and the thermoelectricity unit with heat accumulation function participates in peak load regulation network.
Invention content
The purpose of the present invention is to provide thermoelectricity unit and its peak regulations associated with a kind of steam drive heat pump and regenerative apparatus Method, to solve, the needs mentioned in background technology are a kind of can to recycle steam exhaust heat and with the thermoelectric perpetual motion machine of heat accumulation function Group participates in the problem of peak load regulation network.
To realize that above-mentioned target, technical solution proposed by the present invention are heat associated with steam drive heat pump and regenerative apparatus Motor group includes turbine low pressure cylinder 1, peak load calorifier 2, generator 3, Air-Cooling Island 13, vapor-water heat exchanger 21, steam drive heat Pump 27 and regenerative apparatus 28, wherein steam drive heat pump 27 is by heat pump driving steam turbine 4, compressor 5, evaporator 6, condenser 7 It is formed with throttle valve 8, regenerative apparatus 28 is made of heat-accumulator tank 10, accumulation of heat circulating pump 11, valve I 17 and valve III 19, steam turbine The axis connection of the axis and generator 3 of low pressure (LP) cylinder 1：
The steam pipework of electricity generation system side is：14 import of turbine low pressure cylinder admission valve, heat pump driving steam turbine are into vapour 22 import of valve and 23 import of peak load calorifier admission valve are connect with Steam Turbine Through IP Admission gland steam exhauster 24, turbine low pressure cylinder into The outlet of steam valve door 14 is connect with 1 air intake of turbine low pressure cylinder, and the outlet of heat pump driving steam turbine admission valve 22 drives with heat pump 4 air intake of steam turbine connects, and the outlet of peak load calorifier admission valve 23 is connect with 2 steam inlet of peak load calorifier, steam exhaust valve I 15 imports, II 16 import of steam exhaust valve and III 20 import of steam exhaust valve are connect with 1 steam drain of turbine low pressure cylinder, steam exhaust valve I 15 outlets are connect with 6 steam inlet of evaporator, and the outlet of steam exhaust valve II 16 is connect with 9 steam inlet of condenser, steam exhaust valve III 20 outlets are connect with 13 steam inlet of Air-Cooling Island, and 4 steam drain of heat pump driving steam turbine is connect with 21 steam inlet of vapor-water heat exchanger；
The condensate line of electricity generation system side is：2 condensation-water drain of peak load calorifier, 6 condensation-water drain of evaporator, condensing 9 condensation-water drain of device and 21 condensation-water drain of vapor-water heat exchanger are all connect with the heat regenerative system of unit；
In the steam drive heat pump 27, the axis connection of the axis and compressor 5 of heat pump driving steam turbine 4, heat pump refrigerant Pipeline is：The outlet of compressor 5 is connect with 7 refrigerant inlet of condenser, and 7 refrigerant outlet of condenser is connect with 8 import of throttle valve, The outlet of throttle valve 8 is connect with 6 refrigerant inlet of evaporator, and 6 refrigerant outlet of evaporator is connect with 5 import of compressor；
In the regenerative apparatus 28, regenerative apparatus pipeline is：17 1 interfaces of 10 hot water mouth of heat-accumulator tank and valve I are connect, Another interface of valve I 17 is connect with regenerative apparatus hot water mouth 2801, and III 19 1 interfaces of 10 cold water outlet of heat-accumulator tank and valve connect It connects, another interface of valve III 19 is connect with 11 water inlet of accumulation of heat circulating pump, and 11 water outlet of accumulation of heat circulating pump and regenerative apparatus are cold The mouth of a river 2802 connects；
Heat supply network hot water line of heating system side is：Heat supply network return pipe 26 and a pumps for hot water supply net 12 are intake Mouth connection, 12 water outlet of pumps for hot water supply net are connect with 9 water side-entrance of condenser, 9 water side outlet of condenser and valve II 18 Import connects, and the outlet of valve II 18 is connect with 7 water side-entrance of condenser, 7 water side outlet of condenser and 21 water side of vapor-water heat exchanger Import connects, and 21 water side outlet of vapor-water heat exchanger connect with 2 water side-entrance of peak load calorifier, 2 water side outlet of peak load calorifier and One time heat supply network feed pipe 25 connects；
The first way that regenerative apparatus 28 is connected in a heat supply network hot water line is, regenerative apparatus hot water mouth 2801 with 21 water side outlet of vapor-water heat exchanger connects, and regenerative apparatus cold water outlet 2802 is connect with 9 water side outlet of condenser；
The second way that regenerative apparatus 28 is connected in a heat supply network hot water line is, regenerative apparatus hot water mouth 2801 with 21 water side-entrance of vapor-water heat exchanger connects, and regenerative apparatus cold water outlet 2802 is connect with 9 water side outlet of condenser；
The third mode that regenerative apparatus 28 is connected in a heat supply network hot water line is, regenerative apparatus hot water mouth 2801 with 21 water side outlet of vapor-water heat exchanger connects, and regenerative apparatus cold water outlet 2802 is connect with 9 water side-entrance of condenser；
The 4th kind of mode that regenerative apparatus 28 is connected in a heat supply network hot water line be, regenerative apparatus hot water mouth 2801 with 21 water side-entrance of vapor-water heat exchanger connects, and regenerative apparatus cold water outlet 2802 is connect with 9 water side-entrance of condenser；
The tank body of heat-accumulator tank 10 is by seal and pressure bearing tank, and the connector on tank body top is under 10 hot water mouth of heat-accumulator tank, tank body The connector in portion is 10 cold water outlet of heat-accumulator tank, and tank interior fills phase-change material or is not filled with phase-change material；Heat-accumulator tank works Principle is：If filling phase-change material, hot water enters heat-accumulator tank 10 from 10 hot water mouth of heat-accumulator tank, and hot water temperature is higher than phase transition temperature When, phase-change material becomes hot, wherein the phase-change material filled generates phase transformation by heating, absorbs the heat of hot water, hot water temperature Reduction becomes cold water and is flowed out from 10 cold water outlet of heat-accumulator tank, completes heat-accumulating process；When cold water enters accumulation of heat from 10 cold water outlet of heat-accumulator tank Tank 10, when cold water temperature is less than phase transition temperature, phase-change material becomes cold conditions, and phase-change material generates phase transformation and discharges heat, cold water quilt It is flowed out from 10 hot water mouth of heat-accumulator tank after being heated into hot water, completes exothermic process.Phase-change material is paraffin wax type or melts the storage of salt form Hot material, or the heat-storing material for water and salt composite type；If being not filled with the phase-change material of accumulation of heat, using hot water and The density contrast of cold water realizes that natural layering, hot water are passed in and out from 10 hot water mouth of heat-accumulator tank on 10 top of heat-accumulator tank, and cold water is from heat-accumulator tank 10 cold water outlet of heat-accumulator tank of 10 lower parts passes in and out.
The basic constitution element of thermoelectricity unit associated with steam drive heat pump and regenerative apparatus is steam turbine, steam drive heat Pump and regenerative apparatus, can be used for peak load regulation network.Operational mode is required to carry out accumulation of heat pattern and be put according to the power generation dispatching of steam power plant Heat pattern switches, and dramatically increases the generating capacity adjustable range of steam power plant while ensureing heat supply normal operation, changes conventional heat The problem of power generation caused by power plant's " electricity determining by heat " operation is significantly restricted by heat supply can realize the operation " with the fixed heat of electricity ", simultaneously Meet the requirement of the thermic load and electric load of variation.
Steam drive heat pump is opened under accumulation of heat pattern and recycles exhaust steam in steam turbine waste heat, and the heat of recycling is primary for heating The heat accumulating phase change material of net return water and regenerative apparatus improves the thermal efficiency of system, reduces for thermal energy consumption, while steam drive Heat pump consumes a large amount of steam extractions, reduces the generated energy of steam turbine, thus the online generated energy of steam power plant significantly reduces, and ensures simultaneously Heat supply；
Steam drive heat pump is closed under Heat release mode, and the heating load of steam power plant, heat are maintained by the heat of regenerative apparatus Power plant steam turbine lacks steam extraction or not steam extraction, increases the generated energy of steam power plant as possible, ensures the online of steam power plant while heat supply Generated energy dramatically increases.
Regenerative apparatus 28 is connected to steam drive heat pump and accumulation of heat dress in a heat supply network hot water line in first way The peak regulating method of thermoelectricity unit associated with setting：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 initially enters 9 liters of condenser Then temperature is heated with the cold water mix come out from regenerative apparatus cold water outlet 2802 into the heating of the condenser 7 of heat pump after mixing After enter back into vapor-water heat exchanger 21 and continue to heat, the hot water is divided into two strands later, one enters from regenerative apparatus hot water mouth 2801 Heat storage is completed heat-accumulating process by regenerative apparatus 28 in heat-accumulator tank 10 in phase-change material, and another stock goes successively to spike and adds Hot device 2 is heated, and one is sent into after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve Secondary heat supply network feed pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 is closed, and steam exhaust valve II 16 is opened；When condenser 9 can recycle turbine low pressure cylinder 1 completely Steam exhaust heat, the then closing of steam exhaust valve III 20；It is when condenser 9 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then weary Steam valve door III 20 is opened, and extra steam exhaust heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is first It is introduced into the heating of condenser 9, regenerative apparatus 28 is then entered by regenerative apparatus cold water outlet 2802, absorbs phase in heat-accumulator tank 10 Become the heat of material storage, heating is flowed out at hot water by regenerative apparatus hot water mouth 2801, and exothermic process is completed；The hot water continues It is heated into peak load calorifier 2, which is heated to need by the aperture by adjusting peak load calorifier admission valve 23 Temperature after be sent into a heat supply network feed pipe 25.
The steam drive heat pump and accumulation of heat that regenerative apparatus 28 is connected to by the second way in a heat supply network hot water line fill The peak regulating method of thermoelectricity unit associated with setting：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 initially enters 9 liters of condenser Temperature heats after mixing into the condenser 7 of heat pump, later then with the cold water mix from regenerative apparatus cold water outlet 2802 out The hot water is divided into two strands, one enters regenerative apparatus 28 from regenerative apparatus hot water mouth 2801, heat storage in heat-accumulator tank 10 In phase-change material, heat-accumulating process is completed, another strand is continued to heat into vapor-water heat exchanger 21, enters back into the progress of peak load calorifier 2 Heating is heated to be sent into the water supply of heat supply network after the temperature needed by adjusting 23 aperture of peak load calorifier admission valve by hot water Pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 is closed, and steam exhaust valve II 16 is opened；When condenser 9 can recycle turbine low pressure cylinder 1 completely Steam exhaust heat, then steam exhaust valve III 20 close, it is when condenser 9 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then weary Steam valve door III 20 is opened, and extra steam exhaust heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is first It is introduced into the heating of condenser 9, regenerative apparatus 28 is then entered by regenerative apparatus cold water outlet 2802, absorbs phase in heat-accumulator tank 10 Become the heat of material storage, heating is flowed out at hot water by regenerative apparatus hot water mouth 2801, and exothermic process is completed；The hot water passes through Vapor-water heat exchanger 21, but do not exchange heat, it enters back into peak load calorifier 2 and is heated, by adjusting peak load calorifier admission valve 23 Aperture by the hot water be heated to need temperature after be sent into a heat supply network feed pipe 25.
The steam drive heat pump and accumulation of heat that regenerative apparatus 28 is connected to by the third mode in a heat supply network hot water line fill The peak regulating method of thermoelectricity unit associated with setting：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, subsequently into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 first with it is cold from regenerative apparatus The cold water mix that the mouth of a river 2802 comes out enters condenser 9 and heats up, heated subsequently into the condenser 7 of heat pump, after heating after mixing It enters back into vapor-water heat exchanger 21 to continue to heat, the hot water is divided into two strands later, one enters from regenerative apparatus hot water mouth 2801 stores Heat storage is completed heat-accumulating process by thermal 28 in heat-accumulator tank 10 in phase-change material, and another stock goes successively to spike heating Device 2 is heated, and is sent into once after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve Heat supply network feed pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are closed, and steam exhaust valve III 20 is opened, the steam exhaust of turbine low pressure cylinder 1 Heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is logical Cross regenerative apparatus cold water outlet 2802 enter regenerative apparatus 28, in heat-accumulator tank 10 absorb phase-change material storage heat, heating at Hot water is flowed out by regenerative apparatus hot water mouth 2801, completes exothermic process；The hot water goes successively to peak load calorifier 2 and is added Heat is heated to be sent into the confession of heat supply network after the temperature needed by adjusting the aperture of peak load calorifier admission valve 23 by the hot water Water pipe 25.
The steam drive heat pump and accumulation of heat that regenerative apparatus 28 is connected to by the 4th kind of mode in a heat supply network hot water line fill The peak regulating method of thermoelectricity unit associated with setting：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 first with it is cold from regenerative apparatus The cold water mix that the mouth of a river 2802 comes out enters condenser 9 and heats up, heats subsequently into the condenser 7 of heat pump, later should after mixing Hot water is divided into two strands, one enters regenerative apparatus 28 from regenerative apparatus hot water mouth 2801, and heat storage is existed in heat-accumulator tank 10 Phase-change material completes heat-accumulating process, and another strand is continued to heat into vapor-water heat exchanger 21, is entered back into peak load calorifier 2 and is added Heat is sent into a heat supply network feed pipe after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are closed, and steam exhaust valve III 20 is opened, the steam exhaust of turbine low pressure cylinder 1 Heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is logical Cross regenerative apparatus cold water outlet 2802 enter regenerative apparatus 28, in heat-accumulator tank 10 absorb phase-change material storage heat, heating at Hot water is flowed out by regenerative apparatus hot water mouth 2801, completes exothermic process；The hot water is not exchanged heat by vapor-water heat exchanger 21, It enters back into peak load calorifier 2 to be heated, which is heated to need by the aperture by adjusting peak load calorifier admission valve 23 A heat supply network feed pipe 25 is sent into after the temperature wanted.
Beneficial effects of the present invention are that the present invention is combined by steam drive heat pump and regenerative apparatus, carry out accumulation of heat pattern Switch with Heat release mode, realize the purpose for the online generated energy for ensureing that heat supply has changed simultaneously steam power plant, by condenser and The evaporator of steam drive heat pump recycles steam exhaust heat, reduces the heat cost of steam power plant.
Description of the drawings
Fig. 1 is that regenerative apparatus is connected to steam drive heat pump and accumulation of heat in a heat supply network hot water line in first way Thermoelectricity unit schematic diagram associated with device；
Fig. 2 is that regenerative apparatus is connected to steam drive heat pump and accumulation of heat in a heat supply network hot water line by the second way Thermoelectricity unit schematic diagram associated with device；
Fig. 3 is that regenerative apparatus is connected to steam drive heat pump and accumulation of heat in a heat supply network hot water line by the third mode Thermoelectricity unit schematic diagram associated with device；
Fig. 4 is that regenerative apparatus is connected to steam drive heat pump and accumulation of heat in a heat supply network hot water line by the 4th kind of mode Thermoelectricity unit schematic diagram associated with device.
In figure, 1-- turbine low pressure cylinders, 2-- peak load calorifiers, 3-- generators, 4-- heat pump driving steam turbines, 5-- pressures Contracting machine, 6-- evaporators, 7-- condensers, 8-- throttle valves, 9-- condensers, 10-- heat-accumulator tanks, 11-- accumulation of heat circulating pumps, 12-- mono- Secondary pumps for hot water supply net, 13-- Air-Cooling Islands, 14-- turbine low pressure cylinder admission valves, 15-- steam exhaust valve Is, 16-- steam exhaust valves II, 17-- valve I, 18-- valves II, 19-- valves III, 20-- steam exhaust valve III, 21-- vapor-water heat exchangers, the driving of 22-- heat pumps Turbine admission valve, 23-- peak load calorifier admission valves, 24-- Steam Turbine Through IP Admission gland steam exhausters, heat supply network of 25-- supply water Pipe, heat supply network return pipe of 26--, 27-- steam drive heat pumps, 28-- regenerative apparatus, 2801-- regenerative apparatus hot water mouths, 2802-- regenerative apparatus cold water outlets.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment 1, regenerative apparatus as shown in Figure 1 are connected to the steam in a heat supply network hot water line in first way Drive thermoelectricity unit associated with heat pump and regenerative apparatus.
Thermoelectricity unit associated with steam drive heat pump and regenerative apparatus includes turbine low pressure cylinder 1, peak load calorifier 2, hair Motor 3, Air-Cooling Island 13, vapor-water heat exchanger 21, steam drive heat pump 27 and regenerative apparatus 28, wherein steam drive heat pump 27 by Heat pump driving steam turbine 4, compressor 5, evaporator 6, condenser 7 and throttle valve 8 form, and regenerative apparatus 28 is by heat-accumulator tank 10, storage Hot recycle pump 11, valve I 17 and valve III 19 form, the axis connection of the axis and generator 3 of turbine low pressure cylinder 1.
The steam pipework of electricity generation system side is：14 import of turbine low pressure cylinder admission valve, heat pump driving steam turbine are into vapour 22 import of valve and 23 import of peak load calorifier admission valve are connect with Steam Turbine Through IP Admission gland steam exhauster 24, turbine low pressure cylinder into The outlet of steam valve door 14 is connect with 1 air intake of turbine low pressure cylinder, and the outlet of heat pump driving steam turbine admission valve 22 drives with heat pump 4 air intake of steam turbine connects, and the outlet of peak load calorifier admission valve 23 is connect with 2 steam inlet of peak load calorifier, steam exhaust valve I 15 imports, II 16 import of steam exhaust valve and III 20 import of steam exhaust valve are connect with 1 steam drain of turbine low pressure cylinder, steam exhaust valve I 15 outlets are connect with 6 steam inlet of evaporator, and the outlet of steam exhaust valve II 16 is connect with 9 steam inlet of condenser, steam exhaust valve III 20 outlets are connect with 13 steam inlet of Air-Cooling Island, and 4 steam drain of heat pump driving steam turbine is connect with 21 steam inlet of vapor-water heat exchanger.
The condensate line of electricity generation system side is：2 condensation-water drain of peak load calorifier, 6 condensation-water drain of evaporator, condensing 9 condensation-water drain of device and 21 condensation-water drain of vapor-water heat exchanger are all connect with the heat regenerative system of unit；
In steam drive heat pump 27, the axis connection of the axis and compressor 5 of heat pump driving steam turbine 4, heat pump refrigerant pipeline For：The outlet of compressor 5 is connect with 7 refrigerant inlet of condenser, and 7 refrigerant outlet of condenser is connect with 8 import of throttle valve, throttling The outlet of valve 8 is connect with 6 refrigerant inlet of evaporator, and 6 refrigerant outlet of evaporator is connect with 5 import of compressor.
In regenerative apparatus 28, regenerative apparatus pipeline is：17 1 interfaces of 10 hot water mouth of heat-accumulator tank and valve I are connect, valve I 17 another interface are connect with regenerative apparatus hot water mouth 2801, and III 19 1 interfaces of 10 cold water outlet of heat-accumulator tank and valve are connect, valve III 19 another interface of door are connect with 11 water inlet of accumulation of heat circulating pump, 11 water outlet of accumulation of heat circulating pump and regenerative apparatus cold water outlet 2802 connections.
The tank body of heat-accumulator tank 10 is by seal and pressure bearing tank, and the connector on tank body top is under 10 hot water mouth of heat-accumulator tank, tank body The connector in portion is 10 cold water outlet of heat-accumulator tank, and the phase-change material of tank interior filling is the heat-storing material of paraffin wax type.
Heat supply network hot water line of heating system side is：Heat supply network return pipe 26 and a pumps for hot water supply net 12 are intake Mouth connection, 12 water outlet of pumps for hot water supply net are connect with 9 water side-entrance of condenser, 9 water side outlet of condenser and valve II 18 Import connects, and the outlet of valve II 18 is connect with 7 water side-entrance of condenser, 7 water side outlet of condenser and 21 water side of vapor-water heat exchanger Import connects, and 21 water side outlet of vapor-water heat exchanger connect with 2 water side-entrance of peak load calorifier, 2 water side outlet of peak load calorifier and One time heat supply network feed pipe 25 connects.
The mode that regenerative apparatus 28 is connected in a heat supply network hot water line is that regenerative apparatus hot water mouth 2801 changes with carbonated drink 21 water side outlet of hot device connects, and regenerative apparatus cold water outlet 2802 is connect with 9 water side outlet of condenser；
In power grid, the peak regulating method of thermoelectricity unit associated with steam drive heat pump and regenerative apparatus：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 initially enters 9 liters of condenser Then temperature is heated with the cold water mix come out from regenerative apparatus cold water outlet 2802 into the heating of the condenser 7 of heat pump after mixing After enter back into vapor-water heat exchanger 21 and continue to heat, the hot water is divided into two strands later, one enters from regenerative apparatus hot water mouth 2801 Heat storage is completed heat-accumulating process by regenerative apparatus 28 in heat-accumulator tank 10 in phase-change material, and another stock goes successively to spike and adds Hot device 2 is heated, and one is sent into after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve Secondary heat supply network feed pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work；
2) steam exhaust valve I 15 is closed, and steam exhaust valve II 16 is opened；When condenser 9 can recycle turbine low pressure cylinder 1 completely Steam exhaust heat, then steam exhaust valve III 20 close, it is when condenser 9 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then weary Steam valve door III 20 is opened, and extra steam exhaust heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is first It is introduced into the heating of condenser 9, regenerative apparatus 28 is then entered by regenerative apparatus cold water outlet 2802, absorbs phase in heat-accumulator tank 10 Become the heat of material storage, heating is flowed out at hot water by regenerative apparatus hot water mouth 2801, and exothermic process is completed；The hot water continues It is heated into peak load calorifier 2, which is heated to need by the aperture by adjusting peak load calorifier admission valve 23 Temperature after be sent into a heat supply network feed pipe 25.
Embodiment 2, regenerative apparatus as shown in Figure 2 are connected to the steam in a heat supply network hot water line by the second way Drive thermoelectricity unit associated with heat pump and regenerative apparatus.
In the present embodiment, the mode that regenerative apparatus 28 is connected in a heat supply network hot water line is regenerative apparatus hot water mouth 2801 connect with 21 water side-entrance of vapor-water heat exchanger, and regenerative apparatus cold water outlet 2802 is connect with 9 water side outlet of condenser；Unit Remaining device and embodiment 1 are identical.
In power grid, the peak regulating method of thermoelectricity unit associated with steam drive heat pump and regenerative apparatus：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 initially enters 9 liters of condenser Temperature heats after mixing into the condenser 7 of heat pump, later then with the cold water mix from regenerative apparatus cold water outlet 2802 out The hot water is divided into two strands, one enters regenerative apparatus 28 from regenerative apparatus hot water mouth 2801, heat storage in heat-accumulator tank 10 In phase-change material, heat-accumulating process is completed, another strand is continued to heat into vapor-water heat exchanger 21, enters back into the progress of peak load calorifier 2 Heating is heated to be sent into the water supply of heat supply network after the temperature needed by adjusting 23 aperture of peak load calorifier admission valve by hot water Pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 is closed, and steam exhaust valve II 16 is opened；When condenser 9 can recycle turbine low pressure cylinder 1 completely Steam exhaust heat, then steam exhaust valve III 20 close, it is when condenser 9 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then weary Steam valve door III 20 is opened, and extra steam exhaust heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is first It is introduced into the heating of condenser 9, regenerative apparatus 28 is then entered by regenerative apparatus cold water outlet 2802, absorbs phase in heat-accumulator tank 10 Become the heat of material storage, heating is flowed out at hot water by regenerative apparatus hot water mouth 2801, and exothermic process is completed；The hot water passes through Vapor-water heat exchanger 21, but do not exchange heat, it enters back into peak load calorifier 2 and is heated, by adjusting peak load calorifier admission valve 23 Aperture by the hot water be heated to need temperature after be sent into a heat supply network feed pipe 25.
Embodiment 3, regenerative apparatus as shown in Figure 3 are connected to the steam in a heat supply network hot water line by the third mode Drive thermoelectricity unit associated with heat pump and regenerative apparatus.
In the present embodiment, the mode that regenerative apparatus 28 is connected in a heat supply network hot water line is regenerative apparatus hot water mouth 2801 connect with 21 water side outlet of vapor-water heat exchanger, and regenerative apparatus cold water outlet 2802 is connect with 9 water side-entrance of condenser；Unit Remaining device and embodiment 1 are identical.
In power grid, the peak regulating method of thermoelectricity unit associated with steam drive heat pump and regenerative apparatus：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, subsequently into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 first with it is cold from regenerative apparatus The cold water mix that the mouth of a river 2802 comes out enters condenser 9 and heats up, heated subsequently into the condenser 7 of heat pump, after heating after mixing It enters back into vapor-water heat exchanger 21 to continue to heat, the hot water is divided into two strands later, one enters from regenerative apparatus hot water mouth 2801 stores Heat storage is completed heat-accumulating process by thermal 28 in heat-accumulator tank 10 in phase-change material, and another stock goes successively to spike heating Device 2 is heated, and is sent into once after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve Heat supply network feed pipe 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are closed, and steam exhaust valve III 20 is opened, the steam exhaust of turbine low pressure cylinder 1 Heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is logical Cross regenerative apparatus cold water outlet 2802 enter regenerative apparatus 28, in heat-accumulator tank 10 absorb phase-change material storage heat, heating at Hot water is flowed out by regenerative apparatus hot water mouth 2801, completes exothermic process；The hot water goes successively to peak load calorifier 2 and is added Heat is heated to be sent into the confession of heat supply network after the temperature needed by adjusting the aperture of peak load calorifier admission valve 23 by the hot water Water pipe 25.
Embodiment 4, regenerative apparatus as shown in Figure 2 are connected to the steam in a heat supply network hot water line by the 4th kind of mode Drive thermoelectricity unit associated with heat pump and regenerative apparatus.
In the present embodiment, the mode that regenerative apparatus 28 is connected in a heat supply network hot water line is that regenerative apparatus 28 connects Mode in a heat supply network hot water line is that regenerative apparatus hot water mouth 2801 connect with 21 water side-entrance of vapor-water heat exchanger, is stored Thermal cold water outlet 2802 is connect with 9 water side-entrance of condenser；Remaining device and embodiment 1 of unit are identical.
In power grid, the peak regulating method of thermoelectricity unit associated with steam drive heat pump and regenerative apparatus：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve 14, peak load calorifier admission valve 23 and heat pump driving steam turbine admission valve 22 open, and throttle valve 8 is opened, and turbine low pressure cylinder 1, peak load calorifier 2 and heat pump driving steam turbine 4 are run, steam drive heat 27 work of pump, vapor-water heat exchanger 21 have heat exchange function；The steam discharge of Steam Turbine Through IP Admission gland steam exhauster 24 is low into steam turbine simultaneously Cylinder pressure 1, heat pump driving steam turbine 4 and peak load calorifier 2, wherein one steam discharge enter temperature, pressure after heat pump driving steam turbine 4 Decline, then, into vapor-water heat exchanger 21, exchanges heat with a heat supply network return water；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are opened, when 6 energy of evaporator of condenser 9 and steam drive heat pump 27 The steam exhaust heat of recycling turbine low pressure cylinder 1 completely, the then closing of steam exhaust valve III 20, when condenser 9 and steam drive heat pump 27 Evaporator 6 cannot recycle the steam exhaust heat of turbine low pressure cylinder 1 completely, then steam exhaust valve III 20 is opened, and passes through Air-Cooling Island 13 Extra steam exhaust heat is discharged into atmospheric environment；
3) pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are opened, and a pumps for hot water supply net 12 and accumulation of heat circulating pump 11 are all Operation, valve I 17, valve II 18 and valve III 19 are opened；The cold water of heat supply network return pipe 26 first with it is cold from regenerative apparatus The cold water mix that the mouth of a river 2802 comes out enters condenser 9 and heats up, heats subsequently into the condenser 7 of heat pump, later should after mixing Hot water is divided into two strands, one enters regenerative apparatus 28 from regenerative apparatus hot water mouth 2801, and heat storage is existed in heat-accumulator tank 10 Phase-change material completes heat-accumulating process, and another strand is continued to heat into vapor-water heat exchanger 21, is entered back into peak load calorifier 2 and is added Heat is sent into a heat supply network feed pipe after hot water is heated to the temperature needed by adjusting 23 aperture of peak load calorifier admission valve 25；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve 14 and peak load calorifier admission valve 23 are opened, and throttle valve 8 is opened, steam turbine The steam discharge of intermediate pressure cylinder gland steam exhauster 24 enters turbine low pressure cylinder 1 and peak load calorifier 2 simultaneously, and turbine low pressure cylinder 1 and spike add Hot device 2 is run, and heat pump driving steam turbine admission valve 22 is closed, and heat pump driving steam turbine 4 is out of service, steam drive heat pump 27 It does not work, vapor-water heat exchanger 21 stops heat exchange function；
2) steam exhaust valve I 15 and steam exhaust valve II 16 are closed, and steam exhaust valve III 20 is opened, the steam exhaust of turbine low pressure cylinder 1 Heat is discharged into atmospheric environment by Air-Cooling Island 13；
3) pumps for hot water supply net 12 is opened, and accumulation of heat circulating pump 11 is closed, and valve II 18 is closed, valve I 17 and valve III 19 open；One time pumps for hot water supply net 12 continues to run with, and accumulation of heat circulating pump 11 is out of service, and the cold water of a heat supply network return pipe 26 is logical Cross regenerative apparatus cold water outlet 2802 enter regenerative apparatus 28, in heat-accumulator tank 10 absorb phase-change material storage heat, heating at Hot water is flowed out by regenerative apparatus hot water mouth 2801, completes exothermic process；The hot water is not exchanged heat by vapor-water heat exchanger 21, It enters back into peak load calorifier 2 to be heated, which is heated to need by the aperture by adjusting peak load calorifier admission valve 23 A heat supply network feed pipe 25 is sent into after the temperature wanted.
The present invention can promote the power generation peak adjusting range of steam power plant, and then increase the electric adjustment range of power grid, be wind-powered electricity generation etc. Regenerative resource provides more online generating dutations, final the problems such as solving " abandoning wind ".In addition, heat capacity is limited Steam power plant also can recycle steam exhaust heat by using the present invention, promote external heat capacity.
The present invention is suitable for participating in the cogeneration units of peak load regulation network.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims Subject to.

Claims (10)

1. thermoelectricity unit associated with a kind of steam drive heat pump and regenerative apparatus, which is characterized in that steam drive heat pump and accumulation of heat Thermoelectricity unit associated with device includes turbine low pressure cylinder (1), peak load calorifier (2), generator (3), Air-Cooling Island (13), carbonated drink Heat exchanger (21), steam drive heat pump (27) and regenerative apparatus (28), wherein steam drive heat pump (27) drives steamer by heat pump Machine (4), compressor (5), evaporator (6), condenser (7) and throttle valve (8) composition, regenerative apparatus (28) by heat-accumulator tank (10), Accumulation of heat circulating pump (11), valve I (17) and valve III (19) composition, the axis of turbine low pressure cylinder (1) and the axis of generator (3) connect It connects：
The steam pipework of electricity generation system side is：Turbine low pressure cylinder admission valve (14) import, heat pump driving steam turbine inlet valve Door (22) import and (23) import of peak load calorifier admission valve are connect with Steam Turbine Through IP Admission gland steam exhauster (24), steam turbine low-pressure Cylinder admission valve (14) outlet is connect with turbine low pressure cylinder (1) air intake, heat pump driving steam turbine admission valve (22) outlet Connect with heat pump driving steam turbine (4) air intake, peak load calorifier admission valve (23) outlet with peak load calorifier (2) steam into Mouth connection, steam exhaust valve I (15) import, steam exhaust valve II (16) import and steam exhaust valve III (20) import and turbine low pressure cylinder (1) steam drain connects, and steam exhaust valve I (15) outlet is connect with evaporator (6) steam inlet, and steam exhaust valve II (16) is exported and coagulated Vapour device (9) steam inlet connects, and steam exhaust valve III (20) outlet is connect with Air-Cooling Island (13) steam inlet, heat pump driving steam turbine (4) steam drain is connect with vapor-water heat exchanger (21) steam inlet；
The condensate line of electricity generation system side is：Peak load calorifier (2) condensation-water drain, evaporator (6) condensation-water drain, condensing Device (9) condensation-water drain and vapor-water heat exchanger (21) condensation-water drain are all connect with the heat regenerative system of unit；
In the steam drive heat pump (27), the axis connection of the axis and compressor (5) of heat pump driving steam turbine (4), heat pump refrigerating Agent pipeline is：Compressor (5) outlet is connect with condenser (7) refrigerant inlet, condenser (7) refrigerant outlet and throttle valve (8) import connects, and throttle valve (8) outlet is connect with evaporator (6) refrigerant inlet, evaporator (6) refrigerant outlet and compression Machine (5) import connects；
In the regenerative apparatus (28), regenerative apparatus pipeline is：(17) interfaces of heat-accumulator tank (10) hot water mouth and valve I connect It connects, valve I (17) another interface is connect with regenerative apparatus hot water mouth (2801), heat-accumulator tank (10) cold water outlet and valve III (19) One interface connection, another interface of valve III (19) are connect with accumulation of heat circulating pump (11) water inlet, and accumulation of heat circulating pump (11) goes out The mouth of a river is connect with regenerative apparatus cold water outlet (2802)；
Heat supply network hot water line of heating system side is：Heat supply network return pipe (26) is intake with a pumps for hot water supply net (12) Mouth connection, pumps for hot water supply net (12) water outlet are connect with condenser (9) water side-entrance, condenser (9) water side outlet and valve Door II (18) import connection, valve II (18) outlet are connect with condenser (7) water side-entrance, condenser (7) water side outlet and vapour Water- to-water heat exchanger (21) water side-entrance connects, and vapor-water heat exchanger (21) water side outlet is connect with peak load calorifier (2) water side-entrance, point Peak heater (2) water side outlet is connect with a heat supply network feed pipe (25)；
The mode that regenerative apparatus (28) is connected in a heat supply network hot water line is that regenerative apparatus hot water mouth (2801) changes with carbonated drink Hot device (21) water side outlet connection, regenerative apparatus cold water outlet (2802) are connect with condenser (9) water side outlet.
2. thermoelectricity unit associated with steam drive heat pump according to claim 1 and regenerative apparatus, which is characterized in that described The tank body of heat-accumulator tank (10) be by seal and pressure bearing tank, the connector on tank body top is heat-accumulator tank (10) hot water mouth, tank body lower part Connector be heat-accumulator tank (10) cold water outlet, tank interior filling phase-change material or be not filled with phase-change material.
3. thermoelectricity unit associated with steam drive heat pump according to claim 2 and regenerative apparatus, which is characterized in that described Phase-change material be paraffin wax type or melt the heat-storing material of salt form, or the heat-storing material for water and salt composite type.
4. thermoelectricity unit associated with steam drive heat pump according to claim 1 and regenerative apparatus, which is characterized in that described The mode that is connected in a heat supply network hot water line of regenerative apparatus (28) be regenerative apparatus hot water mouth (2801) and steam-water heat exchanging Device (21) water side-entrance connects, and regenerative apparatus cold water outlet (2802) is connect with condenser (9) water side outlet.
5. thermoelectricity unit associated with steam drive heat pump according to claim 1 and regenerative apparatus, which is characterized in that accumulation of heat The mode that device (28) is connected in a heat supply network hot water line is regenerative apparatus hot water mouth (2801) and vapor-water heat exchanger (21) Water side outlet connects, and regenerative apparatus cold water outlet (2802) is connect with condenser (9) water side-entrance.
6. thermoelectricity unit associated with steam drive heat pump according to claim 1 and regenerative apparatus, which is characterized in that accumulation of heat The mode that device (28) is connected in a heat supply network hot water line is regenerative apparatus hot water mouth (2801) and vapor-water heat exchanger (21) Water side-entrance connects, and regenerative apparatus cold water outlet (2802) is connect with condenser (9) water side-entrance.
7. the peak regulating method of thermoelectricity unit associated with a kind of steam drive heat pump as described in claim 1 and regenerative apparatus, It is characterized in that：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve (14), peak load calorifier admission valve (23) and heat pump driving steam turbine admission valve (22) it opens, throttle valve (8) is opened, turbine low pressure cylinder (1), peak load calorifier (2) and heat pump driving steam turbine (4) operation, Steam drive heat pump (27) works, and vapor-water heat exchanger (21) has heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are opened, when the evaporator of condenser (9) and steam drive heat pump (27) (6) the steam exhaust heat of turbine low pressure cylinder (1) can be recycled completely, then steam exhaust valve III (20) is closed, when condenser (9) and steam The evaporator (6) of driving heat pump (27) cannot recycle the steam exhaust heat of turbine low pressure cylinder (1) completely, then steam exhaust valve III (20) It opens；
3) pumps for hot water supply net (12) and accumulation of heat circulating pump (11) are opened, a pumps for hot water supply net (12) and accumulation of heat circulating pump (11) it all runs, valve I (17), valve II (18) and valve III (19) are opened；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve (14) and peak load calorifier admission valve (23) are opened, and throttle valve (8) is opened, steamer Machine low pressure (LP) cylinder (1) and peak load calorifier (2) operation, heat pump driving steam turbine admission valve (22) are closed, heat pump driving steam turbine (4) out of service, steam drive heat pump (27) does not work, and vapor-water heat exchanger (21) stops heat exchange function；
2) steam exhaust valve I (15) is closed, and steam exhaust valve II (16) is opened；When condenser (9) can recycle turbine low pressure cylinder completely (1) steam exhaust heat, then steam exhaust valve III (20) closing, when condenser (9) cannot recycle the weary of turbine low pressure cylinder (1) completely Vapour heat, then steam exhaust valve III (20) unlatching；
3) pumps for hot water supply net (12) is opened, and accumulation of heat circulating pump (11) is closed, and valve II (18) is closed, valve I (17) and valve It opens III (19) of door；One time pumps for hot water supply net (12) continues to run with, and accumulation of heat circulating pump (11) is out of service.
8. the peak regulating method of thermoelectricity unit associated with a kind of steam drive heat pump as claimed in claim 4 and regenerative apparatus, It is characterized in that：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve (14), peak load calorifier admission valve (23) and heat pump driving steam turbine admission valve (22) it opens, throttle valve (8) is opened, turbine low pressure cylinder (1), peak load calorifier (2) and heat pump driving steam turbine (4) operation, Steam drive heat pump (27) works, and vapor-water heat exchanger (21) has heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are opened, when the evaporator of condenser (9) and steam drive heat pump (27) (6) the steam exhaust heat of turbine low pressure cylinder (1) can be recycled completely, then steam exhaust valve III (20) is closed, when condenser (9) and steam The evaporator (6) of driving heat pump (27) cannot recycle the steam exhaust heat of turbine low pressure cylinder (1) completely, then steam exhaust valve III (20) It opens；
3) pumps for hot water supply net (12) and accumulation of heat circulating pump (11) are opened, a pumps for hot water supply net (12) and accumulation of heat circulating pump (11) it all runs, valve I (17), valve II (18) and valve III (19) are opened；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve (14) and peak load calorifier admission valve (23) are opened, and throttle valve (8) is opened, steamer Machine low pressure (LP) cylinder (1) and peak load calorifier (2) operation, heat pump driving steam turbine admission valve (22) are closed, heat pump driving steam turbine (4) out of service, steam drive heat pump (27) does not work, and vapor-water heat exchanger (21) stops heat exchange function；
2) steam exhaust valve I (15) is closed, and steam exhaust valve II (16) is opened；When condenser (9) can recycle turbine low pressure cylinder completely (1) steam exhaust heat, then steam exhaust valve III (20) closing, when condenser (9) cannot recycle the weary of turbine low pressure cylinder (1) completely Vapour heat, then steam exhaust valve III (20) unlatching；
3) pumps for hot water supply net (12) is opened, and accumulation of heat circulating pump (11) is closed, and valve II (18) is closed, valve I (17) and valve It opens III (19) of door；One time pumps for hot water supply net (12) continues to run with, and accumulation of heat circulating pump (11) is out of service.
9. the peak regulating method of thermoelectricity unit associated with a kind of steam drive heat pump as claimed in claim 5 and regenerative apparatus, It is characterized in that：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve (14), peak load calorifier admission valve (23) and heat pump driving steam turbine admission valve (22) it opens, throttle valve (8) is opened, turbine low pressure cylinder (1), peak load calorifier (2) and heat pump driving steam turbine (4) operation, Steam drive heat pump (27) works, and vapor-water heat exchanger (21) has heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are opened, when the evaporator of condenser (9) and steam drive heat pump (27) (6) the steam exhaust heat of turbine low pressure cylinder (1) can be recycled completely, then steam exhaust valve III (20) is closed, when condenser (9) and steam The evaporator (6) of driving heat pump (27) cannot recycle the steam exhaust heat of turbine low pressure cylinder (1) completely, then steam exhaust valve III (20) It opens；
3) pumps for hot water supply net (12) and accumulation of heat circulating pump (11) are opened, a pumps for hot water supply net (12) and accumulation of heat circulating pump (11) it all runs, valve I (17), valve II (18) and valve III (19) are opened；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve (14) and peak load calorifier admission valve (23) are opened, and throttle valve (8) is opened, steamer Machine low pressure (LP) cylinder (1) and peak load calorifier (2) operation, heat pump driving steam turbine admission valve (22) are closed, heat pump driving steam turbine (4) out of service, steam drive heat pump (27) does not work, and vapor-water heat exchanger (21) stops heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are closed, and steam exhaust valve III (20) is opened；
3) pumps for hot water supply net (12) is opened, and accumulation of heat circulating pump (11) is closed, and valve II (18) is closed, valve I (17) and valve It opens III (19) of door；One time pumps for hot water supply net (12) continues to run with, and accumulation of heat circulating pump (11) is out of service.
10. the peak regulating method of thermoelectricity unit associated with a kind of steam drive heat pump as claimed in claim 6 and regenerative apparatus, It is characterized in that：
A. accumulation of heat mode operation：
1) turbine low pressure cylinder admission valve (14), peak load calorifier admission valve (23) and heat pump driving steam turbine admission valve (22) it opens, throttle valve (8) is opened, turbine low pressure cylinder (1), peak load calorifier (2) and heat pump driving steam turbine (4) operation, Steam drive heat pump (27) works, and vapor-water heat exchanger (21) has heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are opened, when the evaporator of condenser (9) and steam drive heat pump (27) (6) the steam exhaust heat of turbine low pressure cylinder (1) can be recycled completely, then steam exhaust valve III (20) is closed, when condenser (9) and steam The evaporator (6) of driving heat pump (27) cannot recycle the steam exhaust heat of turbine low pressure cylinder (1) completely, then steam exhaust valve III (20) It opens；
3) pumps for hot water supply net (12) and accumulation of heat circulating pump (11) are opened, a pumps for hot water supply net (12) and accumulation of heat circulating pump (11) it all runs, valve I (17), valve II (18) and valve III (19) are opened；
B. Heat release mode is run：
1) turbine low pressure cylinder admission valve (14) and peak load calorifier admission valve (23) are opened, and throttle valve (8) is opened, steamer Machine low pressure (LP) cylinder (1) and peak load calorifier (2) operation, heat pump driving steam turbine admission valve (22) are closed, heat pump driving steam turbine (4) out of service, steam drive heat pump (27) does not work, and vapor-water heat exchanger (21) stops heat exchange function；
2) steam exhaust valve I (15) and steam exhaust valve II (16) are closed, and steam exhaust valve III (20) is opened；
3) pumps for hot water supply net (12) is opened, and accumulation of heat circulating pump (11) is closed, and valve II (18) is closed, valve I (17) and valve It opens III (19) of door；One time pumps for hot water supply net (12) continues to run with, and accumulation of heat circulating pump (11) is out of service.
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