CN209261636U - The integrated system of the accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak - Google Patents

The integrated system of the accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak Download PDF

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Publication number
CN209261636U
CN209261636U CN201822083559.1U CN201822083559U CN209261636U CN 209261636 U CN209261636 U CN 209261636U CN 201822083559 U CN201822083559 U CN 201822083559U CN 209261636 U CN209261636 U CN 209261636U
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China
Prior art keywords
fused salt
heat
level
accumulation
exchanging device
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CN201822083559.1U
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刘泽涛
张向荣
王旭
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Jinmao Baoxin (Tianjin) Energy Technology Co.,Ltd.
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Jinmao Green Building Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

The utility model discloses the integrated systems of a kind of bleeder steam fused salt accumulation of heat and the heat supply of electric boiler combined adjusting peak, including steam turbine high intermediate pressure cylinder extract system, steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, the first steam pipe, shut-off valve, heat exchangers for district heating, drain cooler and hydrophobic development unit;Fused salt level-one hold over system includes the cold tank of level-one fused salt, the hot tank of level-one fused salt, level-one accumulation of heat fused salt heat exchanging device and level-one heat release fused salt heat exchanging device, fused salt second level hold over system includes the cold tank of second level fused salt, the hot tank of second level fused salt, second level accumulation of heat fused salt heat exchanging device and second level heat release fused salt heat exchanging device, and electric boiler heating system includes electric boiler and heat supply network circulation.The integrated system of bleeder steam fused salt accumulation of heat provided by the utility model and the heat supply of electric boiler combined adjusting peak, can be according to the reduction or rising of dispatching of power netwoks load, the corresponding heat capacity or generating capacity for increasing thermoelectricity unit.

Description

The integrated system of the accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak
Technical field
The utility model relates to thermal power generating technology fields, and in particular to a kind of bleeder steam fused salt accumulation of heat and electric boiler The integrated system of combined adjusting peak heat supply.
Background technique
Currently, China's generation of electricity by new energy is grown rapidly, and coal electricity excess capacity.When ratio of the new energy in power grid gradually When expansion, the demand to peaking power source is also gradually risen, and compared with the power supplys such as new energy, coal electricity has preferable peaking performance. For taking coal as the country of main non-renewable energy, the coal-fired plant of top adjustment just becomes feasible choosing the most real It selects.
Due to coal motor group undertakes non-fossil energy power generation depth peak regulation and the functions such as spare of rapid growth, fire Motor group especially coal motor group, which continues underrun or depth peak regulation in the coming years, will become normality.And it is heating Season, coal-fired thermal power coproduction unit cause generated energy to increase, cause the contradiction of heat supply and peak load regulation network, solve due to guaranteeing heating load Certainly this contradiction, it is necessary to increase the flexibility of Hazards in Power Plant.
Utility model content
The purpose of the utility model is to provide the comprehensive of a kind of bleeder steam fused salt accumulation of heat and electric boiler combined adjusting peak heat supply Collaboration system, to solve above-mentioned shortcoming in the prior art.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of integrated system of the accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak, including steam turbine high pressure Cylinder extract system, the steam turbine high intermediate pressure cylinder extract system include steam turbine high-pressure cylinder and Steam Turbine Through IP Admission, the steamer The exhaust outlet of machine high pressure cylinder is connected by communicating pipe with the air inlet of the Steam Turbine Through IP Admission, the steam turbine high-pressure cylinder Be additionally provided with the first steam pipe on exhaust outlet, on first steam pipe along steam flow direction be disposed with shut-off valve, Heat exchangers for district heating, drain cooler and hydrophobic development unit;Fused salt accumulation of heat peak regulation system, the fused salt accumulation of heat peak regulation system include molten Salt level-one hold over system and fused salt second level hold over system, the fused salt level-one hold over system include that the cold tank of level-one fused salt, level-one are molten The hot tank of salt, level-one accumulation of heat fused salt heat exchanging device and level-one heat release fused salt heat exchanging device, the air inlet of the level-one accumulation of heat fused salt heat exchanging device It is connected with the exhaust outlet of the steam turbine high-pressure cylinder, the gas outlet of the level-one accumulation of heat fused salt heat exchanging device and the heat supply network heat The air inlet of device is connected, and the fused salt second level hold over system includes that the cold tank of second level fused salt, the hot tank of second level fused salt, second level accumulation of heat are molten Salt heat exchanger and second level heat release fused salt heat exchanging device, the air inlet and the steam turbine high-pressure cylinder of the second level accumulation of heat fused salt heat exchanging device Exhaust outlet be connected, the gas outlet of the second level accumulation of heat fused salt heat exchanging device is connected with the air inlet of the drain cooler; Electric boiler heating system, the electric boiler heating system include electric boiler and heat supply network circulation, are connected on the electric boiler There is a boiler hot-water heat exchanger, the heat supply network circulation includes that heat supply network circulating water supply pipe, heat supply network are connected by circulation water pipe and heat supply network Recirculation return pipe, the heat supply network recirculation return pipe are connected with the water inlet of the boiler hot-water heat exchanger, the boiler hot-water Between the water outlet of heat exchanger and the heat exchangers for district heating water inlet, the heat exchangers for district heating water outlet and the second level heat release it is molten Water pipe is connected by circulation by the heat supply network between the water inlet of salt heat exchanger to be connected, the second level hot water fused salt heat exchanging device The heat supply network circulating water supply pipe is connected on water outlet, between the exhaust outlet of the steam turbine high-pressure cylinder and the heat exchangers for district heating The first steam pipe on be connected with exhaust tube, the exhaust tube is connected with the air inlet of the level-one heat release fused salt heat exchanging device, The exhaust outlet of the level-one heat release fused salt heat exchanging device is connected with the communicating pipe.
The integrated system of the above-mentioned accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak, the level-one fused salt are cold Fused salt outlet and fused salt import, the fused salt outlet of the cold tank of level-one fused salt and level-one are provided on tank and the hot tank of level-one fused salt The level-one accumulation of heat fused salt heat exchanging device and level-one fused salt booster are provided between the fused salt import of the hot tank of fused salt, the level-one is molten The fused salt of the hot tank of salt, which is exported, is provided with the level-one heat release fused salt heat exchanging device and one between the fused salt import of the cold tank of level-one fused salt Grade fused salt booster,
The integrated system of the above-mentioned accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak, the second level fused salt are cold Be provided with fused salt outlet and fused salt import on tank and the hot tank of second level fused salt, the fused salt outlet of the cold tank of second level fused salt and It is provided with the second level accumulation of heat fused salt heat exchanging device and second level fused salt booster between the fused salt import of the hot tank of second level fused salt, described two The second level heat release fused salt heat exchanging device is provided between the fused salt outlet and the fused salt import of the cold tank of second level fused salt of the grade hot tank of fused salt With second level fused salt booster.
The integrated system of the above-mentioned accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak, the drain cooler Water inlet be connected with the heat supply network recirculation return pipe, the water outlet of the drain cooler and the heat exchangers for district heating into The mouth of a river is connected.
The integrated system of the above-mentioned accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak, the level-one heat release are molten Gate valve is provided in the inlet and outlet of salt heat exchanger, second level heat release fused salt heat exchanging device and boiler hot-water heat exchanger;Institute It states between level-one hot water fused salt heat exchanging device, second level hot water fused salt heat exchanging device and the inlet and outlet of boiler hot-water heat exchanger It is provided with connecting tube, the connecting tube and is provided with the gate valve on communicating pipe.
In the above-mentioned technical solutions, bleeder steam fused salt accumulation of heat provided by the utility model and electric boiler combined adjusting peak supply The integrated system of heat, including steam turbine high intermediate pressure cylinder extract system, fused salt accumulation of heat peak regulation system and electric boiler heating system, steamer Machine high intermediate pressure cylinder extract system includes steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, net heater, drain cooler and dewatering capacity-enlarging Device, fused salt accumulation of heat peak regulation system include fused salt level-one hold over system and fused salt second level hold over system, and electric boiler heating system includes Electric boiler and heat supply network circulation, when dispatching of power netwoks load reduction, steam turbine high-pressure cylinder is to Steam Turbine Through IP Admission quantity of steam It is preferably minimized, increases steam turbine high-pressure cylinder to heat exchangers for district heating or the quantity of steam of fused salt hold over system, to increase thermoelectricity unit Heat capacity, can by heat storage in fused salt tank, increase unit heat supply flexibility, increase the peak regulation energy of thermoelectricity unit Power, heat exchangers for district heating or fused salt second level hold over system can carry out heat exchange heat supply to heat supply network circulation, pass through electric boiler system System increases thermoelectricity unit heat capacity, reduces electricity volume, reduces unit coa consumption rate, when dispatching of power netwoks load rises, passes through The steam that fused salt level-one hold over system can convey steam turbine high-pressure cylinder heats, and is delivered to Steam Turbine Through IP Admission to increase Quantity of steam, increase the generating capacity of unit.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the integrated system of Hazards in Power Plant fused salt thermal storage electric boiler combined heat provided by the embodiment of the utility model Structural schematic diagram.
Description of symbols:
1, steam turbine high intermediate pressure cylinder extract system;1.1, steam turbine high-pressure cylinder;1.2, Steam Turbine Through IP Admission;1.3, end Valve;1.4, heat exchangers for district heating;1.5, drain cooler;1.6, hydrophobic development unit;1.7, the first steam pipe;2, fused salt level-one accumulation of heat System;2.1, the cold tank of level-one fused salt;2.2, the hot tank of level-one fused salt;2.3, level-one accumulation of heat fused salt heat exchanging device;2.4, level-one fused salt liter Press pump;2.5, level-one heat release fused salt heat exchanging device;3, fused salt second level hold over system;3.1, the cold tank of second level fused salt;3.2, second level fused salt Hot tank;3.3, second level accumulation of heat fused salt heat exchanging device;3.4, second level fused salt booster;3.5, second level heat release fused salt heat exchanging device;4, grill pan Furnace heating system;4.1, electric boiler;4.2, boiler hot-water heat exchanger;5, heat supply network circulation;5.1, heat supply network circulating water supply pipe; 5.2, heat supply network is connected by circulation water pipe;5.3, heat supply network recirculation return pipe;5.4, connecting tube;6, gate valve.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair The utility model is further detailed.
As shown in Figure 1, a kind of Hazards in Power Plant steam turbine high intermediate pressure cylinder provided by the embodiment of the utility model is evacuated fused salt The integrated system of thermal storage electric boiler combined adjusting peak heat supply, including steam turbine high intermediate pressure cylinder extract system 1, steam turbine high intermediate pressure cylinder are taken out Gas system 1 includes steam turbine high-pressure cylinder 1.1 and Steam Turbine Through IP Admission 1.2, and the exhaust outlet of steam turbine high-pressure cylinder 1.1 passes through communicating pipe It is connected with the air inlet of Steam Turbine Through IP Admission 1.2, the first steam pipe is additionally provided on the exhaust outlet of steam turbine high-pressure cylinder 1.1 1.7, shut-off valve 1.3, heat exchangers for district heating 1.4, hydrophobic cooling are disposed with along steam flow direction on the first steam pipe 1.7 Device 1.5 and hydrophobic development unit 1.6;Fused salt accumulation of heat peak regulation system, fused salt accumulation of heat peak regulation system include 2 He of fused salt level-one hold over system Fused salt second level hold over system 3, fused salt level-one hold over system 2 include the cold tank 2.1 of level-one fused salt, the hot tank of level-one fused salt, level-one accumulation of heat Fused salt heat exchanging device 2.3 and level-one heat release fused salt heat exchanging device 2.5, the air inlet and steam turbine of level-one accumulation of heat fused salt heat exchanging device 2.3 are high The exhaust outlet of cylinder pressure 1.1 is connected, the gas outlet of level-one accumulation of heat fused salt heat exchanging device 2.3 and the air inlet phase of heat exchangers for district heating 1.4 Connection, fused salt second level hold over system 3 include the cold tank 3.1 of second level fused salt, the hot tank 3.2 of second level fused salt, second level accumulation of heat fused salt heat exchanging device 3.3 and second level heat release fused salt heat exchanging device 3.5, the air inlet of second level accumulation of heat fused salt heat exchanging device 3.3 and the row of steam turbine high-pressure cylinder 1.1 Port is connected, and the gas outlet of second level accumulation of heat fused salt heat exchanging device 3.3 is connected with the air inlet of drain cooler 1.5;Electric boiler Heating system 4, electric boiler heating system 4 include electric boiler 4.1 and heat supply network circulation 5, are connected with boiler on electric boiler 4.1 Hot water heat exchanger 4.2, heat supply network circulation 5 are connected by circulation water pipe 5.2 and heat supply network including heat supply network circulating water supply pipe 5.1, heat supply network Recirculation return pipe 5.3, heat supply network recirculation return pipe 5.3 are connected with the water inlet of boiler hot-water heat exchanger 4.2, boiler hot-water heat exchange Between 1.4 water inlet of water outlet and heat exchangers for district heating of device 4.2,1.4 water outlet of heat exchangers for district heating and second level heat release fused salt heat exchanging It is connected by circulation water pipe 5.2 by heat supply network between the water inlet of device 3.5 to be connected, on the water outlet of second level hot water fused salt heat exchanging device It is connected with heat supply network circulating water supply pipe 5.1, the first steam between the exhaust outlet and heat exchangers for district heating 1.4 of steam turbine high-pressure cylinder 1.1 Exhaust tube is connected on pipe 1.7, exhaust tube is connected with the air inlet of level-one heat release fused salt heat exchanging device 2.5, level-one heat release fused salt The exhaust outlet of heat exchanger 2.5 is connected with communicating pipe.
Specifically, the comprehensive system of Hazards in Power Plant steam turbine high intermediate pressure cylinder pumping fused salt thermal storage electric boiler combined adjusting peak heat supply System includes steam turbine high intermediate pressure cylinder extract system 1, fused salt accumulation of heat peak regulation system and electric boiler heating system 4, according to dispatching of power netwoks Load condition adjusts steam turbine high-pressure cylinder 1.1 to 1.2 output steam quantity of Steam Turbine Through IP Admission, thus adjust for heat supply or The quantity of steam of heat accumulation can also increase unit heat supply by heat storage in fused salt tank to increase the heat capacity of thermoelectricity unit Flexibility, increase the peak modulation capacity of thermoelectricity unit, while reducing unit coa consumption rate, fused salt accumulation of heat peak regulation system can also be passed through System and steam turbine high intermediate pressure cylinder extract system 1 match, and increase steam turbine high-pressure cylinder 1.1 to Steam Turbine Through IP Admission 1.2 and export steaming Vapour amount increases power supply capacity when dispatching of power netwoks load rises.Steam turbine high intermediate pressure cylinder extract system 1 includes steam turbine high-pressure cylinder 1.1 and Steam Turbine Through IP Admission 1.2, the exhaust outlet of steam turbine high-pressure cylinder 1.1 passes through the air inlet of communicating pipe and Steam Turbine Through IP Admission 1.2 Mouth is connected, and shut-off valve 1.3 and regulating valve are provided on communicating pipe, passes through shut-off valve 1.3 and regulating valve can control steam turbine high The quantity of steam that cylinder pressure 1.1 is exported to Steam Turbine Through IP Admission 1.2 is set on first steam pipe 1.7 of 1.1 exhaust outlet of steam turbine high-pressure cylinder It is equipped with shut-off valve 1.3, heat exchangers for district heating 1.4, drain cooler 1.5 and hydrophobic development unit 1.6, shut-off valve 1.3 controllable first The opening and closing of steam pipe 1.7, heat exchangers for district heating 1.4 and drain cooler 1.5 are connected by circulation the water in water pipe 5.2 to heat supply network It is heated, the steam of 1.1 exhaust outlet of steam turbine high-pressure cylinder discharge passes sequentially through heat exchangers for district heating 1.4 and drain cooler 1.5 It is delivered in hydrophobic diffuser after the water heating being connected by circulation in water pipe 5.2 to heat supply network, hydrophobic diffuser can also be followed with heat supply network Loopback water pipe 5.3 is connected, and fused salt accumulation of heat peak regulation system includes fused salt level-one hold over system 2 and fused salt second level hold over system 3, melts Salt level-one hold over system 2 includes that the cold tank 2.1 of level-one fused salt, the hot tank of level-one fused salt, level-one accumulation of heat fused salt heat exchanging device 2.3 and level-one are put The air inlet of hot fused salt heat exchanging device 2.5, level-one accumulation of heat fused salt heat exchanging device 2.3 is connected with the exhaust outlet of steam turbine high-pressure cylinder 1.1, The high-temperature steam of the exhaust outlet discharge of steam turbine high-pressure cylinder 1.1 is delivered in level-one accumulation of heat fused salt heat exchanging device 2.3, and level-one is molten at this time Fused salt in the cold tank 2.1 of salt carries out after being cooled into heat exchange high-temperature steam by level-one accumulation of heat fused salt heat exchanging device 2.3, will melt Salt is delivered to the hot tank of level-one fused salt and completes 2 heat-accumulating process of fused salt level-one hold over system, the outlet of level-one accumulation of heat fused salt heat exchanging device 2.3 Mouth is connected with the air inlet of heat exchangers for district heating 1.4, after high-temperature steam is by 2.3 heat exchange of level-one accumulation of heat fused salt heat exchanging device cooling It is delivered to heat exchangers for district heating 1.4, heat exchange is carried out to the water that heat supply network is connected by circulation in water pipe 5.2 by heat exchangers for district heating 1.4 and is added Heat;Fused salt second level hold over system 3 includes the cold tank 3.1 of second level fused salt, the hot tank 3.2 of second level fused salt, second level accumulation of heat fused salt heat exchanging device 3.3 With second level heat release fused salt heat exchanging device 3.5, the exhaust of the air inlet and steam turbine high-pressure cylinder 1.1 of second level accumulation of heat fused salt heat exchanging device 3.3 Mouth is connected, and the high-temperature steam of the exhaust outlet discharge of steam turbine high-pressure cylinder 1.1 is delivered in second level accumulation of heat fused salt heat exchanging device 3.3, The fused salt in the cold tank 3.1 of second level fused salt carries out high-temperature steam to be cooled into heat by second level accumulation of heat fused salt heat exchanging device 3.3 at this time After exchange, fused salt is delivered to the hot tank 3.2 of second level fused salt and completes 3 heat-accumulating process of fused salt second level hold over system, second level accumulation of heat fused salt The gas outlet of heat exchanger 3.3 is connected with the air inlet of drain cooler 1.5, and warm steam passes through second level accumulation of heat fused salt heat exchanging device It is delivered to drain cooler 1.5 after 3.3 heat exchanges are cooling, heat supply network is connected by circulation in water pipe 5.2 by drain cooler 1.5 Water carries out heat exchange heating.
In the present embodiment, electric boiler heating system 4 and fused salt hold over system can carry out heat supply, and electric boiler heating system 4 is wrapped Electric boiler 4.1 and heat supply network circulation 5 are included, boiler hot-water heat exchanger 4.2, heat supply network circulating water are connected on electric boiler 4.1 System 5 is connected by circulation water pipe 5.2 and heat supply network recirculation return pipe 5.3, heat supply network circulating backwater including heat supply network circulating water supply pipe 5.1, heat supply network Pipe 5.3 is connected with the water inlet of boiler hot-water heat exchanger 4.2, and boiler hot-water heat exchanger 4.2 can be to heat supply network recirculation return pipe 5.3 Water carry out heat exchange and realize heating to its water, 1.4 water inlet of water outlet and heat exchangers for district heating of boiler hot-water heat exchanger 4.2 Between, be connected by circulation by heat supply network between 1.4 water outlet of heat exchangers for district heating and the water inlet of second level heat release fused salt heat exchanging device 3.5 Water pipe 5.2 is connected, and heat supply network circulating water supply pipe 5.1 is connected on the water outlet of second level heat release fused salt heat exchanging device 3.5, and such water is logical Cross heat supply network circulating water supply pipe 5.1, heat supply network is connected by circulation water pipe 5.2 and heat supply network recirculation return pipe 5.3, boiler hot-water heat exchanger 4.2, Heat exchangers for district heating 1.4 and second level heat release fused salt heat exchanging device 3.5 are successively to the carry out heat exchange of heat supply network circulation 5, realization pair Water in heat supply network circulation 5 is heated, and so as to realize heat supply, the exothermic process of fused salt second level hold over system 3 is: Fused salt in the hot tank 3.2 of second level fused salt is connected by circulation water pipe 5.2 to heat supply network by high-temperature-hot-water fused salt heat exchanging device and carries out heating shape After heat exchange, fused salt is delivered to the cold tank of high-temperature molten salt and completes fused salt high-temperature heat accumulation system exothermic process, it similarly can also be real The heat release of existing lava low-temperature heat accumulating system.
In the present embodiment, in actual use, when dispatching of power netwoks load reduction, the row of steam turbine high-pressure cylinder 1.1 is adjusted and reduced The quantity of steam that port is conveyed to Steam Turbine Through IP Admission 1.2 increases steam turbine high-pressure cylinder 1.1 to electric boiler heating system 4 and fused salt The quantity of steam of hold over system, high-temperature steam are delivered to heat exchangers for district heating 1.4 and drain cooler 1.5 to heat supply network circulation 5 The middle heating for carrying out heat exchange realization to water, while the exhaust outlet of steam turbine high-pressure cylinder 1.1 is also to 2 He of fused salt level-one hold over system Fused salt second level hold over system 3 conveys high-temperature steam, and fused salt level-one hold over system 2 and fused salt second level hold over system 3 are completed accumulation of heat, melted Salt second level hold over system 3 is connected by circulation water pipe 5.2 to heat supply network and carries out heat exchange progress heat supply, such heat supply network circulation 5 one The secondary realization that is connected with boiler hot-water heat exchanger 4.2, heat exchangers for district heating 1.4 and fused salt second level hold over system 3 carries out hot friendship to it Heating is changed, realizes the heat supply of heat supply network circulation 5, increases the flexibility of unit heat supply in dispatching of power netwoks load reduction, increases The peak modulation capacity of thermoelectricity unit;When dispatching of power netwoks load increases, increase the exhaust outlet of steam turbine high-pressure cylinder 1.1 to steam turbine The quantity of steam that intermediate pressure cylinder 1.2 conveys stops steaming of the steam turbine high-pressure cylinder 1.1 to electric boiler heating system 4 and fused salt hold over system Vapour amount, while 1.1 exhaust outlet of steam turbine high-pressure cylinder detaches some vapor and is delivered in level-one heat release fused salt heat exchanging device 2.5, level-one Heat release fused salt heat exchanging device 2.5 heats steam, so that vapor (steam) temperature is increased and is delivered in Steam Turbine Through IP Admission 1.2, from And increase the generating capacity when dispatching of power netwoks load increases.
Hazards in Power Plant steam turbine high intermediate pressure cylinder provided by the embodiment of the utility model is evacuated fused salt thermal storage electric boiler 4.1 Close the integrated system of peak regulation heat supply, including steam turbine high intermediate pressure cylinder extract system 1, fused salt accumulation of heat peak regulation system and electric boiler heat supply System 4, steam turbine high intermediate pressure cylinder extract system 1 include steam turbine high-pressure cylinder 1.1, Steam Turbine Through IP Admission 1.2, electric network heater 1.4, drain cooler 1.5 and hydrophobic development unit 1.6, fused salt accumulation of heat peak regulation system include fused salt level-one hold over system 2 and fused salt Second level hold over system 3, electric boiler heating system 4 includes electric boiler 4.1 and heat supply network circulation 5, when dispatching of power netwoks load drops When low, steam turbine high-pressure cylinder 1.1 is preferably minimized to 1.2 quantity of steam of Steam Turbine Through IP Admission, increases steam turbine high-pressure cylinder 1.1 to heat supply network The quantity of steam of heater 1.4 or fused salt hold over system, thus increase the heat capacity of thermoelectricity unit, it can be by heat storage in fused salt In tank, increase the flexibility of unit heat supply, increase the peak modulation capacity of thermoelectricity unit, heat exchangers for district heating 1.4 or fused salt second level store Hot systems 3 can carry out heat exchange heat supply to heat supply network circulation 5, increase thermoelectricity unit heat supply energy by 4.1 system of electric boiler Power reduces electricity volume, reduces unit coa consumption rate, can be right by fused salt level-one hold over system 2 when dispatching of power netwoks load rises The steam that steam turbine high-pressure cylinder 1.1 conveys is heated, to increase the quantity of steam for being delivered to Steam Turbine Through IP Admission 1.2, is increased The generating capacity of unit.
In the present embodiment, it is preferred that be provided with fused salt outlet on the cold tank 2.1 of level-one fused salt and the hot tank of level-one fused salt and melt It is molten to be provided with level-one accumulation of heat between the fused salt outlet and the fused salt import of the hot tank of level-one fused salt of the cold tank 2.1 of level-one fused salt for salt import Salt heat exchanger 2.3 and level-one fused salt booster 2.4, the fused salt of the fused salt outlet and the cold tank 2.1 of level-one fused salt of the hot tank of level-one fused salt Level-one heat release fused salt heat exchanging device 2.5 and level-one fused salt booster 2.4 are provided between import;The storage of fused salt level-one hold over system 2 Thermal process;Start corresponding level-one fused salt booster 2.4, fused salt is delivered to level-one accumulation of heat fused salt from the cold tank 2.1 of level-one fused salt and changes The high-temperature steam that hot device 2.3, level-one accumulation of heat fused salt heat exchanging device 2.3 and steam turbine high-pressure cylinder 1.1 convey carries out heat exchange realization pair Fused salt carries out heating heating, is then delivered to fused salt and the hot tank of fused salt;The exothermic process of fused salt level-one hold over system 2, is opened Corresponding level-one fused salt booster 2.4 is moved, fused salt is delivered to level-one heat release fused salt heat exchanging device 2.5, level-one from the hot tank of level-one fused salt Heat release fused salt heat exchanging device 2.5 carries out heat exchange realization with the Low Temperature Steam that steam turbine high-pressure cylinder 1.1 conveys and heats up to steam Then fused salt is delivered to and and the cold tank of fused salt heat by heating.
In the present embodiment, it is preferred that be provided with fused salt outlet on the cold tank 3.1 of second level fused salt and the hot tank 3.2 of second level fused salt With fused salt import, second level is provided between the fused salt outlet and the fused salt import of the hot tank 3.2 of second level fused salt of the cold tank 3.1 of second level fused salt Accumulation of heat fused salt heat exchanging device 3.3 and second level fused salt booster 3.4, the fused salt outlet of the hot tank 3.2 of second level fused salt and the cold tank of second level fused salt Second level heat release fused salt heat exchanging device 3.5 and second level fused salt booster 3.4 are provided between 3.1 fused salt import;Fused salt second level accumulation of heat The heat-accumulating process of system 3;Start corresponding second level fused salt booster 3.4, fused salt is delivered to second level from the cold tank 3.1 of second level fused salt and stores The high-temperature steam that hot fused salt heat exchanging device 3.3, second level accumulation of heat fused salt heat exchanging device 3.3 and steam turbine high-pressure cylinder 1.1 convey carries out hot friendship It changes realization and heating heating is carried out to fused salt, be then delivered to fused salt and the hot tank of fused salt;The heat release of fused salt second level hold over system 3 Process, starts corresponding second level fused salt booster 3.4, and fused salt is delivered to second level heat release fused salt heat exchanging from the hot tank 3.2 of second level fused salt Device 3.5, second level heat release fused salt heat exchanging device 3.5 and heat supply network are connected by circulation water pipe 5.2 and carry out heat exchange realization to heat supply network circulating water Then fused salt is delivered to and the cold tank 3.1 of second level fused salt by the heat supply of system 5.
In the present embodiment, it is preferred that the water inlet of drain cooler 1.5 is connected with heat supply network recirculation return pipe 5.3, hydrophobic The water outlet of cooler 1.5 is connected with the water inlet of heat exchangers for district heating 1.4;The water of heat supply network recirculation return pipe 5.3 can shunt Drain cooler 1.5 is passed through in part, carries out heat exchange to the water in heat supply network recirculation return pipe 5.3 by drain cooler 1.5 and mentions It is hydrophobic to heat exchangers for district heating 1.4 to be connected by circulation water pipe 5.2 finally by heat supply network for heating load.
In the present embodiment, it is preferred that level-one heat release fused salt heat exchanging device 2.5, second level heat release fused salt heat exchanging device 3.5 and boiler hot Gate valve 6 is provided in the inlet and outlet of water- to-water heat exchanger 4.2;Level-one hot water fused salt heat exchanging device, second level hot water fused salt change Be provided with connecting tube 5.4 between hot device and the inlet and outlet of boiler hot-water heat exchanger 4.2, connecting tube 5.4 be connected to Gate valve 6 is provided on pipe;It can control level-one heat release fused salt heat exchanging device 2.5, second level heat release fused salt heat exchanging device 3.5 by gate valve 6 It is controllable by the gate valve 6 in connecting tube 5.4 with opening or closing for the inlet and outlet of boiler hot-water heat exchanger 4.2 The opening and closing of connecting tube 5.4, so as to according to the actual situation, control second level heat release fused salt heat exchanging device 3.5 and boiler hot Whether water- to-water heat exchanger 4.2 is connected by circulation water pipe 5.2 to heat supply network and carries out heat exchange heat supply.
It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as Limitation to the utility model claims protection scope.

Claims (4)

1. the integrated system of a kind of bleeder steam fused salt accumulation of heat and the heat supply of electric boiler combined adjusting peak characterized by comprising
Steam turbine high intermediate pressure cylinder extract system, the steam turbine high intermediate pressure cylinder extract system includes steam turbine high-pressure cylinder and steam turbine The exhaust outlet of intermediate pressure cylinder, the steam turbine high-pressure cylinder is connected by communicating pipe with the air inlet of the Steam Turbine Through IP Admission, institute State and be additionally provided with the first steam pipe on the exhaust outlet of steam turbine high-pressure cylinder, on first steam pipe along steam flow direction according to It is secondary to be provided with shut-off valve, heat exchangers for district heating, drain cooler and hydrophobic development unit;
Fused salt accumulation of heat peak regulation system, the fused salt accumulation of heat peak regulation system include fused salt level-one hold over system and fused salt second level accumulation of heat system System, the fused salt level-one hold over system includes the cold tank of level-one fused salt, the hot tank of level-one fused salt, level-one accumulation of heat fused salt heat exchanging device and level-one The air inlet of heat release fused salt heat exchanging device, the level-one accumulation of heat fused salt heat exchanging device is connected with the exhaust outlet of the steam turbine high-pressure cylinder Logical, the gas outlet of the level-one accumulation of heat fused salt heat exchanging device is connected with the air inlet of the heat exchangers for district heating, the fused salt second level Hold over system includes the cold tank of second level fused salt, the hot tank of second level fused salt, second level accumulation of heat fused salt heat exchanging device and second level heat release fused salt heat exchanging device, The air inlet of the second level accumulation of heat fused salt heat exchanging device is connected with the exhaust outlet of the steam turbine high-pressure cylinder, and the second level accumulation of heat is molten The gas outlet of salt heat exchanger is connected with the air inlet of the drain cooler;
Electric boiler heating system, the electric boiler heating system include electric boiler and heat supply network circulation, on the electric boiler Be connected with boiler hot-water heat exchanger, the heat supply network circulation include heat supply network circulating water supply pipe, heat supply network be connected by circulation water pipe and Heat supply network recirculation return pipe, the heat supply network recirculation return pipe are connected with the water inlet of the boiler hot-water heat exchanger, the boiler Between the water outlet of hot water heat exchanger and the heat exchangers for district heating water inlet, the heat exchangers for district heating water outlet puts with the second level It is connected by circulation water pipe by the heat supply network between the water inlet of hot fused salt heat exchanging device to be connected, the second level heat release fused salt heat exchanging The heat supply network circulating water supply pipe, the exhaust outlet of the steam turbine high-pressure cylinder and the heat exchangers for district heating are connected on the water outlet of device Between the first steam pipe on be connected with exhaust tube, the exhaust tube is connected with the air inlet of the level-one heat release fused salt heat exchanging device Logical, the exhaust outlet of the level-one heat release fused salt heat exchanging device is connected with the communicating pipe.
2. the integrated system of bleeder steam fused salt accumulation of heat according to claim 1 and the heat supply of electric boiler combined adjusting peak, It is characterized in that, fused salt outlet and fused salt import, the level-one is provided on the cold tank of the level-one fused salt and the hot tank of level-one fused salt The fused salt of the cold tank of fused salt export be provided between the fused salt import of the hot tank of level-one fused salt the level-one accumulation of heat fused salt heat exchanging device and Level-one fused salt booster is arranged between the fused salt outlet and the fused salt import of the cold tank of level-one fused salt of the hot tank of level-one fused salt State level-one heat release fused salt heat exchanging device and the level-one fused salt booster.
3. the integrated system of bleeder steam fused salt accumulation of heat according to claim 1 and the heat supply of electric boiler combined adjusting peak, It is characterized in that, the fused salt outlet and fused salt import is provided on the cold tank of the second level fused salt and the hot tank of second level fused salt, it is described The fused salt of the cold tank of second level fused salt, which is exported, is provided with the second level accumulation of heat fused salt heat exchanging between the fused salt import of the hot tank of second level fused salt Device and second level fused salt booster are arranged between the fused salt outlet and the fused salt import of the cold tank of second level fused salt of the hot tank of second level fused salt There are the second level heat release fused salt heat exchanging device and the second level fused salt booster.
4. the integrated system of bleeder steam fused salt accumulation of heat according to claim 1 and the heat supply of electric boiler combined adjusting peak, It is characterized in that, the water inlet of the drain cooler is connected with the heat supply network recirculation return pipe, and the drain cooler goes out The mouth of a river is connected with the water inlet of the heat exchangers for district heating.
CN201822083559.1U 2018-12-12 2018-12-12 The integrated system of the accumulation of heat of bleeder steam fused salt and the heat supply of electric boiler combined adjusting peak Expired - Fee Related CN209261636U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793087A (en) * 2019-11-12 2020-02-14 北京金茂绿建科技有限公司 Electrode boiler and comprehensive system for participating in thermoelectric decoupling of coal-fired thermal power plant by means of fused salt heat storage
CN110863870A (en) * 2019-11-08 2020-03-06 河南九域恩湃电力技术有限公司 Inclined temperature layer heat storage peak regulation system and peak regulation method based on high-pressure heating loop
CN111023065A (en) * 2019-12-19 2020-04-17 北京金茂绿建科技有限公司 Combined heating system of coal-fired thermal power plant based on steam turbine and electric boiler
CN112963211A (en) * 2021-03-26 2021-06-15 华能江阴燃机热电有限责任公司 Steam turbine of cogeneration system
CN114592933A (en) * 2022-03-21 2022-06-07 西安热工研究院有限公司 Combined molten salt energy storage and peak regulation system and method utilizing exhaust steam of intermediate pressure cylinder to store heat

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110863870A (en) * 2019-11-08 2020-03-06 河南九域恩湃电力技术有限公司 Inclined temperature layer heat storage peak regulation system and peak regulation method based on high-pressure heating loop
CN110863870B (en) * 2019-11-08 2022-04-19 河南九域恩湃电力技术有限公司 Inclined temperature layer heat storage peak regulation system and peak regulation method based on high-pressure heating loop
CN110793087A (en) * 2019-11-12 2020-02-14 北京金茂绿建科技有限公司 Electrode boiler and comprehensive system for participating in thermoelectric decoupling of coal-fired thermal power plant by means of fused salt heat storage
CN110793087B (en) * 2019-11-12 2021-05-14 北京金茂绿建科技有限公司 Electrode boiler and comprehensive system for participating in thermoelectric decoupling of coal-fired thermal power plant by means of fused salt heat storage
CN111023065A (en) * 2019-12-19 2020-04-17 北京金茂绿建科技有限公司 Combined heating system of coal-fired thermal power plant based on steam turbine and electric boiler
CN112963211A (en) * 2021-03-26 2021-06-15 华能江阴燃机热电有限责任公司 Steam turbine of cogeneration system
CN114592933A (en) * 2022-03-21 2022-06-07 西安热工研究院有限公司 Combined molten salt energy storage and peak regulation system and method utilizing exhaust steam of intermediate pressure cylinder to store heat
CN114592933B (en) * 2022-03-21 2023-05-02 西安热工研究院有限公司 Combined molten salt energy storage peak shaving system and method utilizing exhaust steam and heat storage of medium-pressure cylinder

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