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.