CN209213961U - Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system - Google Patents
Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system Download PDFInfo
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Abstract
The utility model discloses a kind of Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated systems, it includes Steam Turbine Through IP Admission that steam turbine, which cuts off low pressure (LP) cylinder system, shut-off valve, heat exchangers for district heating, drain cooler and hydrophobic development unit, fused salt hold over system includes fused salt high-temperature heat accumulation system and fused salt low-temperature heat accumulating system, electric boiler heating system includes electric boiler and heat supply network circulation, boiler hot-water heat exchanger is connected on electric boiler, heat supply network circulation can be with boiler hot-water heat exchanger, heat exchangers for district heating, fused salt high-temperature heat accumulation system and fused salt low-temperature heat accumulating system carry out heat exchange.Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system provided by the utility model, when dispatching of power netwoks load reduction, intermediate pressure cylinder can be increased to heat exchangers for district heating or the quantity of steam of fused salt hold over system, to increase the heat capacity of thermoelectricity unit, can also be by heat storage in fused salt tank, the peak modulation capacity for increasing thermoelectricity unit of high degree.
Description
Technical field
The utility model relates to thermal power generating technology fields, and in particular to a kind of Hazards in Power Plant fused salt thermal storage electric boiler connection
Close heat supply integrated system.
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 a kind of Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, with
Solve above-mentioned shortcoming in the prior art.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, including steam turbine cut off low pressure (LP) cylinder system
System, the steam turbine excision low pressure (LP) cylinder system includes Steam Turbine Through IP Admission, is provided on the exhaust outlet of the Steam Turbine Through IP Admission
First steam pipe is disposed with shut-off valve, heat exchangers for district heating, hydrophobic cold along steam flow direction on first steam pipe
But device and hydrophobic development unit；Fused salt hold over system, the fused salt hold over system include fused salt high-temperature heat accumulation system and fused salt low temperature
Hold over system, the fused salt high-temperature heat accumulation system include the cold tank of high-temperature molten salt and the hot tank of high-temperature molten salt, the cold tank of high-temperature molten salt
It is exported and fused salt import, the fused salt outlet of the cold tank of high-temperature molten salt and high temperature melting with fused salt is provided on the hot tank of high-temperature molten salt
High-temperature steam fused salt heat exchanging device and high-temperature molten salt booster, the hot tank of high-temperature molten salt are provided between the fused salt import of the hot tank of salt
Fused salt outlet the fused salt import of the cold tank of high-temperature molten salt between be provided with high-temperature-hot-water fused salt heat exchanging device and the high-temperature molten salt
Booster, the fused salt low-temperature heat accumulating system include the cold tank of low-temperature molten salt and the hot tank of low-temperature molten salt, the cold tank of low-temperature molten salt and
The fused salt outlet and fused salt import, the fused salt outlet of the cold tank of low-temperature molten salt and low temperature are provided on the hot tank of low-temperature molten salt
Low Temperature Steam fused salt heat exchanging device and low-temperature molten salt booster, the low-temperature molten salt heat are provided between the fused salt import of the hot tank of fused salt
The fused salt of tank exports and is provided with low-temperature water heating fused salt heat exchanging device and described low between the fused salt import of the cold tank of the low-temperature molten salt
Temperature molten salt booster, the air inlet of the high-temperature steam fused salt heat exchanging device pass through the exhaust of communicating pipe and the Steam Turbine Through IP Admission
Mouth is connected, and the air inlet of the Low Temperature Steam fused salt heat exchanging device passes through the communicating pipe and the high-temperature steam fused salt heat exchanging device
Gas outlet be connected；Electric boiler heating system, the electric boiler heating system include electric boiler and heat supply network circulation, institute
It states and is connected with boiler hot-water heat exchanger on electric boiler, the heat supply network circulation includes heat supply network circulating water supply pipe, heat supply network circulation
Connection 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
It connects, between the water outlet of the boiler hot-water heat exchanger and the heat exchangers for district heating water inlet, the heat exchangers for district heating water outlet
Between the water inlet of the high-temperature-hot-water fused salt heat exchanging device, the water outlet of the high-temperature-hot-water fused salt heat exchanging device and the low temperature
It is connected by circulation water pipe by the heat supply network between the water inlet of hot water fused salt heat exchanging device to be connected, the low-temperature water heating fused salt changes
The heat supply network circulating water supply pipe is connected on the water outlet of hot device.
Above-mentioned Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, the electric boiler and the boiler hot
Water pump of electric boiler is provided between water- to-water heat exchanger.
Above-mentioned Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, the Low Temperature Steam fused salt heat exchanging device
Gas outlet be connected with the drain cooler.
Above-mentioned Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, the water inlet of the drain cooler
It is connected with the heat supply network recirculation return pipe, the water outlet of the drain cooler is connected with the water inlet of the heat exchangers for district heating
It is logical.
Above-mentioned Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, the high-temperature-hot-water fused salt heat exchanging
Gate valve is provided in the inlet and outlet of device, the low-temperature water heating fused salt heat exchanging device and boiler hot-water heat exchanger.
Above-mentioned Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system, the high-temperature-hot-water fused salt heat exchanging
Hot water connection is provided between device, the low-temperature water heating fused salt heat exchanging device and the inlet and outlet of boiler hot-water heat exchanger
It manages, is provided with the gate valve in the hot water connecting tube.
In the above-mentioned technical solutions, Hazards in Power Plant fused salt thermal storage electric boiler combined heat provided by the utility model is comprehensive
System, including steam turbine excision low pressure (LP) cylinder system, fused salt hold over system and electric boiler heating system, steam turbine cut off low pressure (LP) cylinder system
System includes Steam Turbine Through IP Admission, heat exchangers for district heating, drain cooler and hydrophobic development unit, and fused salt hold over system includes fused salt high temperature
Hold over system and fused salt low-temperature heat accumulating system, electric boiler heating system includes electric boiler and heat supply network circulation, when power grid tune
When spending load reduction, the air inflow of low pressure (LP) cylinder can be preferably minimized, increase intermediate pressure cylinder to heat exchangers for district heating or fused salt hold over system
Quantity of steam can also increase the spirit of unit heat supply by heat storage in fused salt tank to increase the heat capacity of thermoelectricity unit
Activity, the peak modulation capacity for increasing thermoelectricity unit of high degree, heat exchangers for district heating or fused salt hold over system can recycle heat supply network
Water system carries out heat exchange heat supply, increases thermoelectricity unit heat capacity by grill pan furnace system, reduces electricity volume, reduces unit
Coa consumption rate.
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 Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system provided by the embodiment of the utility model
Structural schematic diagram.
Description of symbols:
1, steam turbine cuts off low pressure (LP) cylinder system；1.1, Steam Turbine Through IP Admission；1.2, the first steam pipe；1.3, shut-off valve；
1.4, heat exchangers for district heating；1.5, drain cooler；1.6, hydrophobic development unit；2, fused salt high-temperature heat accumulation system；2.1, high-temperature molten salt
Cold tank；2.2, the hot tank of high-temperature molten salt；2.3, high-temperature steam fused salt heat exchanging device；2.4, high-temperature molten salt booster；2.5, high-temperature-hot-water
Fused salt heat exchanging device；3, fused salt low-temperature heat accumulating system；3.1, the cold tank of low-temperature molten salt；3.2, the hot tank of low-temperature molten salt；3.3, Low Temperature Steam
Fused salt heat exchanging device；3.4, low-temperature molten salt booster；3.5, low-temperature water heating fused salt heat exchanging device；4, electric boiler heating system；4.1, electric
Boiler；4.2, boiler hot-water heat exchanger；4.3, water pump of electric boiler；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, hot water 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 fused salt thermal storage electric boiler combined heat provided by the embodiment of the utility model
Integrated system, including steam turbine cut off low pressure (LP) cylinder system 1, steam turbine cut off low pressure (LP) cylinder system 1 include Steam Turbine Through IP Admission
1.1, the first steam pipe 1.2 is provided on the exhaust outlet of Steam Turbine Through IP Admission 1.1, is flowed on the first steam pipe 1.2 along steam
Direction is disposed with shut-off valve 1.3, heat exchangers for district heating 1.4, drain cooler 1.5 and hydrophobic development unit 1.6；Fused salt accumulation of heat system
System, fused salt hold over system includes fused salt high-temperature heat accumulation system 2 and fused salt low-temperature heat accumulating system 3, and fused salt high-temperature heat accumulation system 2 includes
It is provided on the cold tank 2.1 of high-temperature molten salt and the hot tank 2.2 of high-temperature molten salt, the cold tank 2.1 of high-temperature molten salt and the hot tank 2.2 of high-temperature molten salt molten
Salt outlet and fused salt import are arranged between the fused salt outlet and the fused salt import of the hot tank 2.2 of high-temperature molten salt of the cold tank 2.1 of high-temperature molten salt
There are high-temperature steam fused salt heat exchanging device 2.3 and high-temperature molten salt booster 2.4, the fused salt outlet of the hot tank 2.2 of high-temperature molten salt and high temperature melting
It is provided with high-temperature-hot-water fused salt heat exchanging device 2.5 and high-temperature molten salt booster 2.4 between the fused salt import of the cold tank 2.1 of salt, fused salt is low
Intermediate temperature regenerator system 3 includes the cold tank 3.1 of low-temperature molten salt and the hot tank 3.2 of low-temperature molten salt, the cold tank 3.1 of low-temperature molten salt and the hot tank of low-temperature molten salt
Fused salt outlet and fused salt import, fused salt outlet and the hot tank 3.2 of low-temperature molten salt of the cold tank 3.1 of low-temperature molten salt are provided on 3.2
Low Temperature Steam fused salt heat exchanging device 3.3 and low-temperature molten salt booster 3.4 are provided between fused salt import, the hot tank 3.2 of low-temperature molten salt
Low-temperature water heating fused salt heat exchanging device 3.5 and low-temperature molten salt are provided between fused salt outlet and the fused salt import of the cold tank 3.1 of low-temperature molten salt
Booster 3.4, the air inlet of high-temperature steam fused salt heat exchanging device 2.3 pass through the exhaust outlet phase of communicating pipe and Steam Turbine Through IP Admission 1.1
Connection, the air inlet of Low Temperature Steam fused salt heat exchanging device 3.3 pass through the gas outlet phase of communicating pipe and high-temperature steam fused salt heat exchanging device 2.3
Connection；Electric boiler heating system 4, electric boiler heating system 4 include electric boiler 4.1 and heat supply network circulation 5, electric boiler 4.1
Upper interception has boiler hot-water heat exchanger 4.2, and heat supply network circulation 5 is connected by circulation water including heat supply network circulating water supply pipe 5.1, heat supply network
Pipe 5.2 and 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,
Between 1.4 water inlet of water outlet and heat exchangers for district heating of boiler hot-water heat exchanger 4.2,1.4 water outlet of heat exchangers for district heating and high temperature
The water inlet of hot water fused salt heat exchanging device 2.5, the water outlet of high-temperature-hot-water fused salt heat exchanging device 2.5 and low-temperature water heating fused salt heat exchanging device
It is connected by circulation water pipe 5.2 by heat supply network between 3.5 water inlet to be connected, the water outlet of low-temperature water heating fused salt heat exchanging device 3.5
On be connected with heat supply network circulating water supply pipe 5.1.
Specifically, the integrated system of Hazards in Power Plant fused salt thermal storage electric boiler combined heat, including steam turbine cut off low pressure
The air inflow of low pressure (LP) cylinder can be preferably minimized by cylinder system 1, fused salt hold over system and electric boiler heating system 4, increased and be used for heat supply
Or the quantity of steam of heat accumulation can also increase unit by heat storage in fused salt tank to increase the heat capacity of thermoelectricity unit
The flexibility of heat supply, while reducing unit coa consumption rate increases thermoelectricity unit heat capacity by 4.1 system of electric boiler, in reduction
Net electricity, cooperation excision low pressure (LP) cylinder and fused salt hold over system, the peak modulation capacity for increasing thermoelectricity unit of high degree.Steam turbine
Cutting off low pressure (LP) cylinder system 1 includes Steam Turbine Through IP Admission 1.1, is arranged on the first steam pipe 1.2 of 1.1 exhaust outlet of Steam Turbine Through IP Admission
There are 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 steams
The opening and closing of steam pipe 1.2, heat exchangers for district heating 1.4 and drain cooler 1.5 can be 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 Through IP Admission 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 hold over system includes fused salt high-temperature heat accumulation system 2 and fused salt low-temperature heat accumulating system 3, and fused salt is high
Intermediate temperature regenerator system 2 includes the cold tank 2.1 of high-temperature molten salt and the hot tank 2.2 of high-temperature molten salt, and the fused salt of the cold tank 2.1 of high-temperature molten salt exports and height
It is provided with high-temperature steam fused salt heat exchanging device 2.3 and high-temperature molten salt booster 2.4 between the fused salt import of the hot tank 2.2 of temperature molten salt, it is high
The air inlet of warm steam fused salt heat exchanging device 2.3 is connected by communicating pipe with the exhaust outlet of Steam Turbine Through IP Admission 1.1, in steam turbine
The high-temperature steam of the exhaust outlet discharge of cylinder pressure 1.1 opens high temperature melting by being delivered to high-temperature steam fused salt heat exchanging device 2.3 communicating pipe
Salt booster 2.4, the fused salt in the cold tank 2.1 of high-temperature molten salt carry out high-temperature steam by high-temperature steam fused salt heat exchanging device 2.3 cold
But after forming heat exchange, fused salt is delivered to the hot tank 2.2 of high-temperature molten salt and completes 2 heat-accumulating process of fused salt high-temperature heat accumulation system, fused salt
Low-temperature heat accumulating system 3 include the cold tank 3.1 of low-temperature molten salt and the hot tank 3.2 of low-temperature molten salt, the cold tank 3.1 of low-temperature molten salt fused salt outlet and
It is provided with Low Temperature Steam fused salt heat exchanging device 3.3 and low-temperature molten salt booster 3.4 between the fused salt import of the hot tank 3.2 of low-temperature molten salt,
Low-temperature water heating fused salt is provided between the fused salt outlet and the fused salt import of the cold tank 3.1 of low-temperature molten salt of the hot tank 3.2 of low-temperature molten salt to change
The air inlet of hot device 3.5 and low-temperature molten salt booster 3.4, Low Temperature Steam fused salt heat exchanging device 3.3 passes through communicating pipe and high-temperature steam
The gas outlet of fused salt heat exchanging device 2.3 is connected, and the high-temperature steam of the exhaust outlet discharge of Steam Turbine Through IP Admission 1.1 passes through high-temperature steam
Low Temperature Steam fused salt heat exchanging device 3.3 is continued on to after fused salt heat exchanging device 2.3 is cooling, opens low-temperature molten salt booster 3.4, low temperature
Fused salt in the cold tank 3.1 of fused salt carries out after being cooled into heat exchange high-temperature steam by Low Temperature Steam fused salt heat exchanging device 3.3, will
Fused salt is delivered to the heat-accumulating process that the hot tank 3.2 of low-temperature molten salt completes fused salt low-temperature heat accumulating system 3.
In the present embodiment, electric boiler heating system 4 and fused salt hold over system can carry out heat supply, so that heat supply network circulation
5 can endlessly carry out heat supply, and electric boiler heating system 4 includes electric boiler 4.1 and heat supply network circulation 5, electric boiler
Boiler hot-water heat exchanger 4.2 is connected on 4.1, heat supply network circulation 5 includes heat supply network circulating water supply pipe 5.1, heat supply network circulation company
Water receiving pipe 5.2 and 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
It connects, boiler hot-water heat exchanger 4.2 can carry out heating of the heat exchange realization to its water, boiler to the water of heat supply network recirculation return pipe 5.3
Between 1.4 water inlet of water outlet and heat exchangers for district heating of hot water heat exchanger 4.2,1.4 water outlet of heat exchangers for district heating and high-temperature-hot-water
The water inlet of fused salt heat exchanging device 2.5, the water outlet of high-temperature-hot-water fused salt heat exchanging device 2.5 and low-temperature water heating fused salt heat exchanging device 3.5
Water pipe 5.2 is connected by circulation by heat supply network between water inlet to be connected, and is connected on the water outlet of low-temperature water heating fused salt heat exchanging device 3.5
There is heat supply network circulating water supply pipe 5.1, such water is connected by circulation water pipe 5.2 by heat supply network circulating water supply pipe 5.1, heat supply network and heat supply network recycles
Return pipe 5.3, boiler hot-water heat exchanger 4.2, heat exchangers for district heating 1.4, high-temperature-hot-water fused salt heat exchanging device 2.5 and low-temperature water heating fused salt
For heat exchanger 3.5 successively to the carry out heat exchange of heat supply network circulation 5, realization adds the water in heat supply network circulation 5
Heat, so as to realize heat supply, the exothermic process of fused salt high-temperature heat accumulation system 2 is: opening high-temperature molten salt booster 2.4, high temperature
Fused salt in the hot tank 2.2 of fused salt is connected by circulation water pipe 5.2 to heat supply network by high-temperature-hot-water fused salt heat exchanging device 2.5 and is thermally formed
After heat exchange, fused salt is delivered to the cold tank 2.1 of high-temperature molten salt and completes 2 exothermic process of fused salt high-temperature heat accumulation system, it similarly can also be with
Realize the heat release of lava low-temperature heat accumulating system.
In the present embodiment, in actual use, when dispatching of power netwoks load reduction, it is vented by Steam Turbine Through IP Admission 1.1
Mouth conveys high-temperature steam to heat exchangers for district heating 1.4, by heat exchangers for district heating 1.4 and drain cooler 1.5 to heat supply network circulating water
Heating of the heat exchange realization to water is carried out in system 5, while 1.1 exhaust outlet of Steam Turbine Through IP Admission is also to fused salt high-temperature heat accumulation system 2
High-temperature steam is conveyed with fused salt low-temperature heat accumulating system 3, fused salt high-temperature heat accumulation system 2 and fused salt low-temperature heat accumulating system 3 complete accumulation of heat,
Heat supply network circulating water supply pipe 5.1, heat supply network in heat supply network circulation 5 be connected by circulation water pipe 5.2 and heat supply network recirculation return pipe 5.3 according to
Secondary and boiler hot-water heat exchanger 4.2, heat exchangers for district heating 1.4, high-temperature-hot-water fused salt heat exchanging device 2.5 and low-temperature water heating fused salt heat exchanging device
3.5 are connected, so that boiler hot-water heat exchanger 4.2, heat exchangers for district heating 1.4, fused salt high-temperature heat accumulation system 2 and fused salt low temperature
Hold over system 3 carries out heat exchange to heat supply network circulation 5.
Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system provided by the embodiment of the utility model, including vapour
Turbine cuts off low pressure (LP) cylinder system 1, fused salt hold over system and electric boiler heating system 4, and it includes vapour that steam turbine, which cuts off low pressure (LP) cylinder system 1,
Turbine intermediate pressure cylinder 1.1, heat exchangers for district heating 1.4, drain cooler 1.5 and hydrophobic development unit 1.6, fused salt hold over system include fused salt
High-temperature heat accumulation system 2 and fused salt low-temperature heat accumulating system 3, electric boiler heating system 4 include electric boiler 4.1 and heat supply network circulation
5, when dispatching of power netwoks load reduction, the air inflow of low pressure (LP) cylinder can be preferably minimized, increase intermediate pressure cylinder to heat exchangers for district heating 1.4 or
The quantity of steam of fused salt hold over system can also increase to increase the heat capacity of thermoelectricity unit by heat storage in fused salt tank
The flexibility of unit heat supply, the peak modulation capacity for increasing thermoelectricity unit of high degree, heat exchangers for district heating 1.4 or fused salt accumulation of heat system
System can carry out heat exchange heat supply to heat supply network circulation 5, increase thermoelectricity unit heat capacity, drop by 4.1 system of electric boiler
Low electricity volume reduces unit coa consumption rate.
In the present embodiment, it is preferred that be provided with water of electric boiler between electric boiler 4.1 and boiler hot-water heat exchanger 4.2
Pump 4.3 realizes the flowing and exchange of hot water between electric boiler 4.1 and boiler hot-water heat exchanger 4.2 by a water pump, thus right
Water in heat supply network circulation 5 in heat supply network recirculation return pipe 5.3 is heated.
In the present embodiment, it is preferred that the gas outlet of Low Temperature Steam fused salt heat exchanging device 3.3 is connected with drain cooler 1.5,
After the hot steam that Steam Turbine Through IP Admission 1.1 is discharged is by fused salt high-temperature heat accumulation system 2 and fused salt low-temperature heat accumulating system 3, from low temperature
The gas outlet of steam fused salt heat exchanging device 3.3 is delivered in drain cooler 1.5, is recycled, is passed through to the cooling of steam to realize
It is heated by the water that drain cooler 1.5 can also be connected by circulation in water pipe 5.2 heat supply network.
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 high-temperature-hot-water fused salt heat exchanging device 2.5, low-temperature water heating 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；High-temperature-hot-water fused salt heat exchanging device 2.5, low-temperature water heating fused salt
Hot water connecting tube 5.4 is provided between heat exchanger 3.5 and the inlet and outlet of boiler hot-water heat exchanger 4.2, hot water connects
Gate valve 6 is provided on adapter tube 5.4；Pass through the controllable making warm water fused salt heat exchanging device of gate valve 6,3.5 and of low-temperature water heating fused salt heat exchanging device
The inlet and outlet of boiler hot-water heat exchanger 4.2 open or close, controllable by the gate valve 6 in hot water connecting tube 5.4
The opening and closing of water heating connecting tube 5.4, it is control high-temperature-hot-water fused salt heat exchanging device 2.5, low so as to according to the actual situation
Whether warm water's fused salt heat exchanging device 3.5 and boiler hot-water heat exchanger 4.2, which are connected by circulation water pipe 5.2 to heat supply network, carries out heat exchange confession
Heat.
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 (6)
1. a kind of Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system characterized by comprising
Steam turbine cuts off low pressure (LP) cylinder system, and the steam turbine excision low pressure (LP) cylinder system includes Steam Turbine Through IP Admission, the steam turbine
It is provided with the first steam pipe on the exhaust outlet of intermediate pressure cylinder, is disposed with and cuts along steam flow direction on first steam pipe
Only valve, heat exchangers for district heating, drain cooler and hydrophobic development unit；
Fused salt hold over system, the fused salt hold over system include fused salt high-temperature heat accumulation system and fused salt low-temperature heat accumulating system, described
Fused salt high-temperature heat accumulation system includes the cold tank of high-temperature molten salt and the hot tank of high-temperature molten salt, the cold tank of the high-temperature molten salt and the hot tank of high-temperature molten salt
On be provided with fused salt outlet and fused salt import, the cold tank of high-temperature molten salt fused salt outlet and the hot tank of high-temperature molten salt fused salt into
High-temperature steam fused salt heat exchanging device and high-temperature molten salt booster, the fused salt outlet of the hot tank of high-temperature molten salt and height are provided between mouthful
High-temperature-hot-water fused salt heat exchanging device and the high-temperature molten salt booster, the fused salt are provided between the fused salt import of the cold tank of temperature molten salt
Low-temperature heat accumulating system includes the cold tank of low-temperature molten salt and the hot tank of low-temperature molten salt, on the cold tank of the low-temperature molten salt and the hot tank of low-temperature molten salt
It is provided with the fused salt outlet and fused salt import, the fused salt outlet of the cold tank of low-temperature molten salt and melting for the hot tank of the low-temperature molten salt
Low Temperature Steam fused salt heat exchanging device and low-temperature molten salt booster, the fused salt outlet of the hot tank of low-temperature molten salt are provided between salt import
Low-temperature water heating fused salt heat exchanging device and the low-temperature molten salt booster are provided between the fused salt import of the cold tank of low-temperature molten salt, it is described
The air inlet of high-temperature steam fused salt heat exchanging device is connected by communicating pipe with the exhaust outlet of the Steam Turbine Through IP Admission, the low temperature
The air inlet of steam fused salt heat exchanging device is connected by the communicating pipe with the gas outlet of the high-temperature steam fused salt heat exchanging device；
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 and described high warm
Between the water inlet of water fused salt heat exchanging device, the water outlet of the high-temperature-hot-water fused salt heat exchanging device and the low-temperature water heating fused salt heat exchanging
It is connected by circulation water pipe by the heat supply network between the water inlet of device to be connected, the water outlet of the low-temperature water heating fused salt heat exchanging device
On be connected with the heat supply network circulating water supply pipe.
2. Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system according to claim 1, which is characterized in that
Water pump of electric boiler is provided between the electric boiler and the boiler hot-water heat exchanger.
3. Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system according to claim 1, which is characterized in that
The gas outlet of the Low Temperature Steam fused salt heat exchanging device is connected with the drain cooler.
4. Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system according to claim 1, which is characterized in that
The water inlet of the drain cooler is connected with the heat supply network recirculation return pipe, the water outlet of the drain cooler with it is described
The water inlet of heat exchangers for district heating is connected.
5. Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system according to claim 1, which is characterized in that
The inlet and outlet of the high-temperature-hot-water fused salt heat exchanging device, the low-temperature water heating fused salt heat exchanging device and boiler hot-water heat exchanger
On be provided with gate valve.
6. Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system according to claim 5, which is characterized in that
The inlet and outlet of the high-temperature-hot-water fused salt heat exchanging device, the low-temperature water heating fused salt heat exchanging device and boiler hot-water heat exchanger
Between be provided with hot water connecting tube, be provided with the gate valve in the hot water connecting tube.
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| 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 |
| CN111174194A (en) * | 2020-01-08 | 2020-05-19 | 上海电气集团股份有限公司 | Peak shaving system of reheating unit of thermal power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN111174194A (en) * | 2020-01-08 | 2020-05-19 | 上海电气集团股份有限公司 | Peak shaving system of reheating unit of thermal power plant |
| CN112628771A (en) * | 2020-12-23 | 2021-04-09 | 山东科技大学 | Gas heat storage oxidation high-temperature flue gas molten salt heat exchange system and method |
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| CN114777183A (en) * | 2022-04-07 | 2022-07-22 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Complementary auxiliary heat supply unit degree of depth peak regulation system of light and heat |
| CN114777183B (en) * | 2022-04-07 | 2023-10-17 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Photo-thermal complementary auxiliary heating unit depth peak regulation system |
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| CN116734235B (en) * | 2023-08-02 | 2023-12-05 | 瑞纳智能设备股份有限公司 | Peak-to-frequency modulation system and method using steam heat supply network |
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