CN209295259U - The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler - Google Patents
The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler Download PDFInfo
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- CN209295259U CN209295259U CN201822133471.6U CN201822133471U CN209295259U CN 209295259 U CN209295259 U CN 209295259U CN 201822133471 U CN201822133471 U CN 201822133471U CN 209295259 U CN209295259 U CN 209295259U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The utility model discloses a kind of integrated systems of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, steam turbine excision low pressure (LP) cylinder system includes being disposed with the second shut-off valve, heat exchangers for district heating, drain cooler and hydrophobic development unit on the first steam pipe of the steam drain of Steam Turbine Through IP Admission by connecting the Steam Turbine Through IP Admission and turbine low pressure cylinder that siphunculus is connected；Electric boiler heating system, electric boiler heating system includes electric boiler, heat exchange mechanisms and heat supply network circulation, boiler heat-exchanger is connected on electric boiler, heat exchange mechanisms include First Heat Exchanger, the second heat exchanger and third heat exchanger, and heat supply network circulation is successively connected with boiler heat-exchanger, heat exchangers for district heating, First Heat Exchanger, the second heat exchanger and third heat exchanger respectively.The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler provided by the utility model, increases heat capacity when coal-fired thermal power performing low-load running of machine set.
Description
Technical field
The utility model relates to thermal power generating technology fields, and in particular to a kind of steam turbine excision low pressure (LP) cylinder and electric boiler knot
Close the integrated system of heat supply.
Background technique
Currently, China's policy gradually payes attention to the popularization of new energy, energy power generation is grown rapidly, and coal electricity excess capacity, when
When ratio of the new energy in power grid is gradually expanded, the demand to peaking power source is also gradually risen, 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 is just
Become feasible selection the most real.
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 steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler integrated 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 steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, including steam turbine cut off low pressure (LP) cylinder system
System, steam turbine excision low pressure (LP) cylinder system include Steam Turbine Through IP Admission and turbine low pressure cylinder, the Steam Turbine Through IP Admission
Steam drain is connected by communicating pipe with the air intake of turbine low pressure cylinder, on the communicating pipe successively along steam flow direction
It is provided with the first shut-off valve and the first regulating valve, the first steam pipe, institute are also connected on the steam drain of the Steam Turbine Through IP Admission
It states and is provided with the second shut-off valve on the first steam pipe, be disposed with heat supply network along steam flow direction on first steam pipe
Heater, drain cooler and hydrophobic development unit；Electric boiler heating system, the electric boiler heating system include electric boiler, change
Heat engine structure and heat supply network circulation, boiler heat-exchanger is connected on the electric boiler, and the heat exchange mechanisms include the first heat exchange
Device, the second heat exchanger and third heat exchanger, the First Heat Exchanger, the second heat exchanger and third heat exchanger include heat-exchanging water into
Mouth, heat exchange water out, steam inlet and steam (vapor) outlet, the steam inlet of the First Heat Exchanger and the Steam Turbine Through IP Admission
Steam drain is connected by the second steam pipe, and third shut-off valve is provided on second steam pipe, second heat exchanger
Steam inlet is connected by steam connecting leg with the steam (vapor) outlet of the First Heat Exchanger, the steam inlet of the third heat exchanger
It is connected by steam connecting leg with the steam (vapor) outlet of second heat exchanger, the steam (vapor) outlet of third heat exchanger is hydrophobic by condensing
Pipe is connected with drain cooler, the heat supply network circulation successively respectively with the boiler heat-exchanger, heat exchangers for district heating, the
One heat exchanger, the second heat exchanger are connected with third heat exchanger.
The integrated system of above-mentioned steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, the heat supply network circulation packet
Include heat supply network circulating water supply pipe, heat supply network is connected by circulation water pipe and heat supply network recirculation return pipe, the heat supply network recirculation return pipe and the pot
The water inlet of furnace hot water heat exchanger is connected.
The integrated system of above-mentioned steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, the drain cooler and heat supply network
The heat exchange water inlet, heat exchange water out, steam inlet and steam (vapor) outlet are also equipped on heat exchanger, the drain cooler
Heat exchange water inlet is connected with the heat supply network recirculation return pipe, and the heat exchange water out and the heat supply network of the drain cooler exchange heat
The heat exchange water inlet of device is connected by circulation water pipe by heat supply network and is connected.
The integrated system of above-mentioned steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, the boiler heat-exchanger pass through heat
Net is connected by circulation water pipe and is connected with the heat exchange water inlet of the heat supply network heat exchanger；The heat exchange water out of the heat supply network heat exchanger with
First Heat Exchanger heat exchange water inlet between, the First Heat Exchanger heat exchange water out and second heat exchanger heat-exchanging water
Pass through heat supply network between import and between the heat exchange water out of the second heat exchanger and the heat exchange water inlet of the third heat exchanger
It is connected by circulation water pipe to be connected, the heat exchange water out of the third heat exchanger is connected with the heat supply network circulating water supply pipe.
Above-mentioned steam turbine cuts off the integrated system of low pressure (LP) cylinder heat supply in conjunction with electric boiler, is arranged on the hydrophobic development unit
There is outlet pipe, the outlet pipe is connected with the electric boiler, and opening valve is provided on the outlet pipe.
The integrated system of above-mentioned steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler, the boiler heat-exchanger with it is described
It is provided with water pump between electric boiler, the heat exchange water inlet and heat exchange water out, the pot are provided on the boiler heat-exchanger
The heat exchange water inlet of furnace heat exchanger and the heat supply network recirculation return pipe and it is provided with the first gate valve, the heat exchange of the boiler heat-exchanger
Water out is connected by connecting water pipe with the heat exchangers for district heating and the drain cooler, is arranged on the connection water pipe
There is the second gate valve.
In the above-mentioned technical solutions, steam turbine provided by the utility model excision low pressure (LP) cylinder in conjunction with electric boiler heat supply it is comprehensive
Collaboration system, including steam turbine excision low pressure (LP) cylinder system and electric boiler heating system, steam turbine excision low pressure (LP) cylinder system includes passing through
The connected Steam Turbine Through IP Admission of siphunculus and turbine low pressure cylinder are connected, is also connected with the first steaming on the steam drain of Steam Turbine Through IP Admission
Steam pipe is disposed with shut-off valve, heat exchangers for district heating, drain cooler and hydrophobic along steam flow direction on the first steam pipe
Flash vessel, electric boiler heating system include electric boiler, heat exchange mechanisms and heat supply network circulation, are connected with boiler on electric boiler and change
Hot device, heat exchange mechanisms include First Heat Exchanger, the second heat exchanger and third heat exchanger, First Heat Exchanger, the second heat exchanger and
Three heat exchangers are successively connected with Steam Turbine Through IP Admission, can be by the air inflow of low pressure (LP) cylinder so when dispatching of power netwoks load reduction
Be preferably minimized, increase intermediate pressure cylinder to heat exchangers for district heating, First Heat Exchanger, the second heat exchanger and third heat exchanger quantity of steam, from
And increase the heat capacity of thermoelectricity unit, increase the flexibility of unit heat supply, the peak regulation for increasing thermoelectricity unit of high degree
Ability, heat exchangers for district heating, First Heat Exchanger, the second heat exchanger, third heat exchanger can carry out heat exchange to heat supply network circulation
Heat supply increases thermoelectricity unit heat capacity by grill pan furnace system, so that realizing 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 the integrated system that steam turbine provided by the embodiment of the utility model cuts off low pressure (LP) cylinder heat supply in conjunction with electric boiler
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, turbine low pressure cylinder；1.3, communicating pipe；
1.3.1, the first shut-off valve；1.3.2, the first regulating valve；1.4, the first steam pipe；1.5, the second shut-off valve；1.6, heat supply network heats
Device；1.7, drain cooler；1.8, hydrophobic development unit；2, electric boiler heating system；2.1, electric boiler；2.2, boiler heat-exchanger；
2.3, water pump；3, heat exchange mechanisms；3.1, First Heat Exchanger；3.2, the second heat exchanger；3.3, third heat exchanger；3.4, the second steam
Pipe；3.5, third shut-off valve；4, heat supply network circulation；4.1, heat supply network circulating water supply pipe；4.2, heat supply network is connected by circulation water pipe；
4.3, heat supply network recirculation return pipe；4.4, water pipe is connected；4.5, the first gate valve；4.6, the second 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 steam turbine provided by the embodiment of the utility model cuts off low pressure (LP) cylinder heat supply in conjunction with electric boiler
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
With steam turbine base pressure cylinder 1.2, the steam drain of Steam Turbine Through IP Admission 1.1 is by communicating pipe 1.3 and steam turbine base pressure cylinder 1.2 into vapour
Mouth is connected, and is disposed with the first shut-off valve 1.3.1 and the first regulating valve along steam flow direction on communicating pipe 1.3
1.3.2, it is also connected with the first steam pipe 1.4 on the steam drain of Steam Turbine Through IP Admission 1.1, is provided on the first steam pipe 1.4
Two shut-off valves 1.5 are disposed with shut-off valve along steam flow direction on first steam pipe 1.4, heat exchangers for district heating 1.6, dredge
Water cooler 1.7 and hydrophobic development unit 1.8；Electric boiler heating system 2, electric boiler heating system 2 include electric boiler 2.1, heat exchange
Mechanism 3 and heat supply network circulation 4, boiler heat-exchanger 2.2 is connected on electric boiler 2.1, and heat exchange mechanisms 3 include First Heat Exchanger
3.1, the second heat exchanger 3.2 and third heat exchanger 3.3, First Heat Exchanger 3.1, the second heat exchanger 3.2 and third heat exchanger 3.3 are equal
Including heat exchange water inlet, heat exchange water out, steam inlet and steam (vapor) outlet, the steam inlet and steam turbine of First Heat Exchanger 3.1
The steam drain of intermediate pressure cylinder 1.1 is connected by the second steam pipe 3.4, is provided with third shut-off valve 3.5 on the second steam pipe 3.4,
The steam inlet of second heat exchanger 3.2 is connected by steam connecting leg with the steam (vapor) outlet of First Heat Exchanger 3.1, third heat exchanger
3.3 steam inlet is connected by steam connecting leg with the steam (vapor) outlet of the second heat exchanger 3.2, the steam of third heat exchanger 3.3
Outlet by condense drain pipe be connected with drain cooler 1.7, heat supply network circulation 4 successively respectively with boiler heat-exchanger
2.2, heat exchangers for district heating 1.6, First Heat Exchanger 3.1, the second heat exchanger 3.2 are connected with third heat exchanger 3.3.
Specifically, steam turbine excision low pressure (LP) cylinder integrated system of heat supply in conjunction with electric boiler includes steam turbine excision low pressure (LP) cylinder
System 1 and electric boiler heating system 2 are realized in coal-fired thermal power performing low-load running of machine set, are improved unit heat capacity, are worked as unit
When responsive electricity grid depth peak regulation, cooperation 2.1 heat supply of electric boiler is, it can be achieved that Hazards in Power Plant guarantees depth in the case where area of heat-supply service
Peak regulation, it includes Steam Turbine Through IP Admission 1.1 and steam turbine base pressure cylinder 1.2, Steam Turbine Through IP Admission that steam turbine, which cuts off low pressure (LP) cylinder system 1,
1.1 exhaust outlet is connected by communicating pipe 1.3 with the air inlet of steam turbine base pressure cylinder 1.2, is flowed on communicating pipe 1.3 along steam
Direction is disposed with the first shut-off valve 1.3.1 and the first regulating valve 1.3.2, can be realized by the first shut-off valve 1.3.1 to even
Steam in Steam Turbine Through IP Admission 1.1 is delivered in steamer low pressure (LP) cylinder to realize, passes through by the opening and closing of siphunculus 1.3
First regulating valve 1.3.2 can be realized the control for communicating pipe 1.3 conveying steam flow, on the steam drain of Steam Turbine Through IP Admission 1.1
It is also connected with the first steam pipe 1.4, the second shut-off valve 1.5 is provided on the first steam pipe 1.4, it can by the second shut-off valve 1.5
It realizes opening or closing to the first steam pipe 1.4, is disposed with cut-off along steam flow direction on the first steam pipe 1.4
Valve, heat exchangers for district heating 1.6, drain cooler 1.7 and hydrophobic development unit 1.8, heat exchangers for district heating 1.6 and drain cooler 1.7 can
The water being connected by circulation in water pipe 4.2 to heat supply network heats, and the steam of 1.1 exhaust outlet of Steam Turbine Through IP Admission discharge passes sequentially through heat
Hydrophobic diffuser is delivered to after the water heating that net heater 1.6 and drain cooler 1.7 are connected by circulation in water pipe 4.2 heat supply network
It is interior.Electric boiler heating system 2 includes electric boiler 2.1, heat exchange mechanisms 3 and heat supply network circulation 4, is connected on electric boiler 2.1
Boiler heat-exchanger 2.2 can carry out heat exchange to heat supply network circulation 4 by boiler heat-exchanger 2.2 to realize heat supply, heat exchanger
Structure 3 includes First Heat Exchanger 3.1, the second heat exchanger 3.2 and third heat exchanger 3.3, First Heat Exchanger 3.1, the second heat exchanger 3.2
It include heat exchange water inlet, heat exchange water out, steam inlet and steam (vapor) outlet, steam inlet and steam with third heat exchanger 3.3
Export the steam for accepting Steam Turbine Through IP Admission 1.1 and the discharge of steam turbine base pressure cylinder 1.2, heat exchange water inlet and heat exchange water out
For being connected with heat supply network circulation 4, the heating to water is realized, in the steam inlet and steam turbine of First Heat Exchanger 3.1
The steam drain of cylinder pressure 1.1 is connected by the second steam pipe 3.4, to accept the steam of the discharge of Steam Turbine Through IP Admission 1.1, high temperature
Steam carries out heat exchange to heat supply network circulation 4 in First Heat Exchanger 3.1 and realizes heat supply, is provided on the second steam pipe 3.4
Third shut-off valve 3.5, third shut-off valve 3.5 can realize the opening and closing of the second steam pipe 3.4, the steaming of the second heat exchanger 3.2
Vapor inlet is connected by steam connecting leg with the steam (vapor) outlet of First Heat Exchanger 3.1, the height that such Steam Turbine Through IP Admission 1.1 is discharged
Warm steam is delivered to the second heat exchanger 3.2 after passing through First Heat Exchanger 3.1, and high-temperature steam continues pair in the second heat exchanger 3.2
Heat supply network circulation 4 carries out heat exchange and realizes heat supply, passes sequentially through third heat exchanger 3.3 and continues to heat supply network circulation 4
Carry out heat exchange realize heat supply, high-temperature steam in third heat exchanger 3.3 to heat supply network circulation 4 carry out heat exchange for
Heat, the steam (vapor) outlet of third heat exchanger 3.3 are connected by condensing drain pipe with drain cooler 1.7, and high-temperature steam is to heat supply network
It is delivered in drain cooler 1.7 and is cooled down after 4 heat supply of circulation, is finally delivered in hydrophobic development unit 1.8, heat supply network
Circulation 4 successively respectively with boiler heat-exchanger 2.2, heat exchangers for district heating 1.6, First Heat Exchanger 3.1, the second heat exchanger 3.2
It is connected with third heat exchanger 3.3, so passes through boiler heat-exchanger 2.2, heat exchangers for district heating 1.6, First Heat Exchanger 3.1, the
Two heat exchangers 3.2 and third heat exchanger 3.3 successively carry out heat exchange heat supply to heat supply network circulation 4, guarantee area of heat-supply service, from
And unit heat capacity is improved, realize the depth peak regulation in the case that Hazards in Power Plant guarantees area of heat-supply service.
It, can by the control of the first shut-off valve 1.3.1, the second shut-off valve 1.5 and third shut-off valve 3.5 in the present embodiment
The opening and closing to communicating pipe 1.3, the first steam pipe 1.4 and the second steam pipe 3.4 are realized, to cut off low pressure to steam turbine
Cylinder system 1 carries out the adjustment of different mode, when dispatching of power netwoks load reduction, closes the first shut-off valve 1.3.1 and first and adjusts
Valve 1.3.2, the steam in Steam Turbine Through IP Admission 1.1 is shunted defeated respectively by the first steam pipe 1.4 and the second steam pipe 3.4 at this time
It send to heat exchangers for district heating 1.6 and First Heat Exchanger 3.1, the steam in First Heat Exchanger 3.1 after heat exchange can continue on to
It is right by heat exchangers for district heating 1.6, First Heat Exchanger 3.1, the second heat exchanger 3.2 and third heat exchanger 3.3 in one heat exchanger 3.1
Heat supply network circulation 4 carries out heat supply.When the compound rising of dispatching of power netwoks, the first shut-off valve 1.3.1 is opened, first is adjusted and adjusts
The aperture of valve 1.3.2 exports the displacement of steam, steam turbine so as to adjust Steam Turbine Through IP Admission 1.1 to steam turbine base pressure cylinder 1.2
Intermediate pressure cylinder 1.1, which does not enter 1.2 some vapor of steam turbine base pressure cylinder, to be divided by the first steam pipe 1.4 and the second steam pipe 3.4
It is not delivered to heat exchangers for district heating 1.6 and First Heat Exchanger 3.1, so as to heat supply network circulation 4, this working condition can also go out
Existing second shut-off valve 1.5 and third shut-off valve 3.5 are the state closed, and generating capacity is promoted at this time.
The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler provided by the embodiment of the utility model, including
Steam turbine cuts off low pressure (LP) cylinder system 1 and electric boiler heating system 2, and it includes by connection siphunculus that steam turbine, which cuts off low pressure (LP) cylinder system 1,
Connected Steam Turbine Through IP Admission 1.1 and steam turbine base pressure cylinder 1.2 is also connected with first on the steam drain of Steam Turbine Through IP Admission 1.1
Steam pipe 1.4 is disposed with shut-off valve, heat exchangers for district heating 1.6, hydrophobic along steam flow direction on first steam pipe 1.4
Cooler 1.7 and hydrophobic development unit 1.8, electric boiler heating system 2 include electric boiler 2.1, heat exchange mechanisms 3 and heat supply network circulating water
System 4, boiler heat-exchanger 2.2 is connected on electric boiler 2.1, and heat exchange mechanisms 3 include First Heat Exchanger 3.1,3.2 and of the second heat exchanger
Third heat exchanger 3.3, First Heat Exchanger 3.1, the second heat exchanger 3.2 and third heat exchanger 3.3 successively with Steam Turbine Through IP Admission 1.1
It is connected, so when dispatching of power netwoks load reduction, the air inflow of low pressure (LP) cylinder can be preferably minimized, increases intermediate pressure cylinder and add to heat supply network
Hot device 1.6, First Heat Exchanger 3.1, the second heat exchanger 3.2 and third heat exchanger 3.3 quantity of steam, to increase thermoelectricity unit
Heat capacity increases the flexibility of unit heat supply, the peak modulation capacity for increasing thermoelectricity unit of high degree, heat exchangers for district heating
1.6, First Heat Exchanger 3.1, the second heat exchanger 3.2, third heat exchanger 3.3 can carry out heat exchange confession to heat supply network circulation 4
Heat increases thermoelectricity unit heat capacity by 2.1 system of electric boiler, so that realizing reduces unit coa consumption rate.
In the present embodiment, it is preferred that heat supply network circulation 4 is connected by circulation water including heat supply network circulating water supply pipe 4.1, heat supply network
Pipe 4.2 and heat supply network recirculation return pipe 4.3, heat supply network recirculation return pipe 4.3 are connected with the water inlet of boiler hot-water heat exchanger；Boiler
Hot water heat exchanger can carry out heat exchange to the water that heat supply network recirculation return pipe 4.3 conveys, and realize to the water in heat supply network circulation 4
It is heated.
In the present embodiment, it is preferred that be also equipped with heat exchange water inlet, heat exchange on drain cooler 1.7 and heat supply network heat exchanger
The heat exchange water inlet of water out, steam inlet and steam (vapor) outlet, drain cooler 1.7 is connected with heat supply network recirculation return pipe 4.3,
The heat exchange water out of drain cooler 1.7 is connected by circulation water pipe 4.2 by heat supply network with the heat exchange water inlet of heat supply network heat exchanger and is connected
It is logical；Heat supply network recirculation return pipe 4.3 is connected with the heat exchange water inlet of drain cooler 1.7, so that drain cooler 1.7 is right
The water of heat supply network recirculation return pipe 4.3 is heated, and the water after heating is connected by circulation water pipe 4.2 by heat supply network and is delivered to heat supply network
Heat exchanger continues to heat to recirculated water by heat supply network heat exchanger.
In the present embodiment, it is preferred that boiler heat-exchanger 2.2 is connected by circulation water pipe 4.2 and heat supply network heat exchanger by heat supply network
Heat exchange water inlet is connected；Between the heat exchange water out of heat supply network heat exchanger and the heat exchange water inlet of First Heat Exchanger 3.1, first change
Between the heat exchange water out of hot device 3.1 and the heat exchange water inlet of the second heat exchanger 3.2 and the heat-exchanging water of the second heat exchanger 3.2 goes out
It is connected by circulation water pipe 4.2 by heat supply network between mouth and the heat exchange water inlet of third heat exchanger 3.3 to be connected, third heat exchanger
3.3 heat exchange water out is connected with heat supply network circulating water supply pipe 4.1；Boiler heat-exchanger 2.2 to heat supply network be connected by circulation water pipe 4.2 into
Row heat exchange is realized to after water heating, and water is delivered to heat supply network heat exchanger, passes through heat supply network heat exchanger, First Heat Exchanger 3.1, second
Heat exchanger 3.2 and third heat exchanger 3.3 are once connected by circulation water pipe 4.2 to heat supply network and carry out heat exchange to heat to water,
And it is exported finally by heat supply network circulating water supply pipe 4.1 and carries out heat supply use.
In the present embodiment, it is preferred that be provided with outlet pipe on hydrophobic development unit 1.8, outlet pipe is connected with electric boiler 2.1
It is logical, opening valve is provided on outlet pipe；It can be realized by opening valve and outlet pipe is opened or closed, to realize to hydrophobic expansion
The recycling of water in container 1.8.
In the present embodiment, it is preferred that be provided with water pump 2.3, boiler heat exchange between boiler heat-exchanger 2.2 and electric boiler 2.1
Heat exchange water inlet and heat exchange water out, the heat exchange water inlet and heat supply network recirculation return pipe of boiler heat-exchanger 2.2 are provided on device 2.2
4.3 and it is provided with the first gate valve 4.5, the heat exchange water out of boiler heat-exchanger 2.2 passes through connection water pipe 4.4 and heat exchangers for district heating
1.6 are connected with drain cooler 1.7, connect and are provided with the second gate valve 4.6 on water pipe 4.4；Pot can be realized by water pump 2.3
The flowing of water between furnace heat exchanger 2.2 and electric boiler 2.1 can be realized respectively to heat by the first gate valve 4.5 and the second gate valve 4.6
Net recirculation return pipe 4.3 and the opening for connecting water pipe 4.4, so that recirculated water has a variety of flow patterns, the property of can choose
Whether pass through drain cooler 1.7.
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 integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler 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 and steam turbine low-pressure
The steam drain of cylinder, the Steam Turbine Through IP Admission is connected by communicating pipe with the air intake of turbine low pressure cylinder, the communicating pipe
On along steam flow direction be disposed with the first shut-off valve and the first regulating valve, on the steam drain of the Steam Turbine Through IP Admission
It is also connected with the first steam pipe, is provided with the second shut-off valve on first steam pipe, along steam on first steam pipe
Flow direction is disposed with heat exchangers for district heating, drain cooler and hydrophobic development unit；
Electric boiler heating system, the electric boiler heating system include electric boiler, heat exchange mechanisms and heat supply network circulation, described
Boiler heat-exchanger is connected on electric boiler, the heat exchange mechanisms include First Heat Exchanger, the second heat exchanger and third heat exchanger, institute
Stating First Heat Exchanger, the second heat exchanger and third heat exchanger includes heat exchange water inlet, heat exchange water out, steam inlet and steam
Outlet, the steam inlet of the First Heat Exchanger are connected with the steam drain of the Steam Turbine Through IP Admission by the second steam pipe,
It is provided with third shut-off valve on second steam pipe, the steam inlet of second heat exchanger passes through steam connecting leg and described the
The steam (vapor) outlet of one heat exchanger is connected, and the steam inlet of the third heat exchanger passes through steam connecting leg and second heat exchanger
Steam (vapor) outlet be connected, the steam (vapor) outlet of third heat exchanger is connected by condensation drain pipe with drain cooler, the heat
Net circulation is successively changed with the boiler heat-exchanger, heat exchangers for district heating, First Heat Exchanger, the second heat exchanger and third respectively
Hot device is connected.
2. the integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler according to claim 1, feature exist
It include that heat supply network circulating water supply pipe, heat supply network are connected by circulation water pipe and heat supply network recirculation return pipe in, the heat supply network circulation, it is described
Heat supply network recirculation return pipe is connected with the water inlet of the boiler heat-exchanger.
3. the integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler according to claim 2, feature exist
In being also equipped with the heat exchange water inlet, heat exchange water out, steam inlet and steaming on the drain cooler and heat supply network heat exchanger
Vapor outlet, the heat exchange water inlet of the drain cooler are connected with the heat supply network recirculation return pipe, the drain cooler
Heat exchange water out is connected by circulation water pipe by heat supply network with the heat exchange water inlet of the heat supply network heat exchanger and is connected.
4. the integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler according to claim 3, feature exist
In the boiler heat-exchanger is connected by circulation water pipe by heat supply network and is connected with the heat exchange water inlet of the heat supply network heat exchanger；
Between the heat exchange water out of the heat supply network heat exchanger and the heat exchange water inlet of First Heat Exchanger, the First Heat Exchanger changes
Between the heat exchange water inlet of hot water outlet and second heat exchanger and heat exchange water out and the third of the second heat exchanger
It is connected by circulation water pipe by heat supply network between the heat exchange water inlet of heat exchanger to be connected, the heat exchange water out of the third heat exchanger
It is connected with the heat supply network circulating water supply pipe.
5. the integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler according to claim 1, feature exist
In being provided with outlet pipe on the hydrophobic development unit, the outlet pipe is connected with the electric boiler, is arranged on the outlet pipe
There is opening valve.
6. the integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler according to claim 1, feature exist
In being provided with water pump between the boiler heat-exchanger and the electric boiler, the heat-exchanging water be provided on the boiler heat-exchanger
Import and heat exchange water out, the heat exchange water inlet of the boiler heat-exchanger and the heat supply network recirculation return pipe and are provided with the first lock
The heat exchange water out of valve, the boiler heat-exchanger is homogeneous by connection water pipe and the heat exchangers for district heating and the drain cooler
It is connected to, is provided with the second gate valve on the connection water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822133471.6U CN209295259U (en) | 2018-12-18 | 2018-12-18 | The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler |
Applications Claiming Priority (1)
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| CN201822133471.6U CN209295259U (en) | 2018-12-18 | 2018-12-18 | The integrated system of steam turbine excision low pressure (LP) cylinder heat supply in conjunction with electric boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114396644A (en) * | 2021-12-10 | 2022-04-26 | 中国华能集团清洁能源技术研究院有限公司 | Multistage heating system based on hydrogen energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396644A (en) * | 2021-12-10 | 2022-04-26 | 中国华能集团清洁能源技术研究院有限公司 | Multistage heating system based on hydrogen energy |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200525 Address after: Building 4, Hengsheng Plaza, east of Europe Road, north of Helan Road, Tianjin pilot free trade zone (Dongjiang Free Trade Port Area) - 201-17 Patentee after: Jinmao Baoxin (Tianjin) Energy Technology Co.,Ltd. Address before: 100088, No. 28, No. 220, block A, main street, Xinjie street, Xicheng District, Beijing Patentee before: BEIJING JINMAO GREEN BUILDING TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20201218 |