CN208073573U - A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass - Google Patents
A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass Download PDFInfo
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- CN208073573U CN208073573U CN201820579156.3U CN201820579156U CN208073573U CN 208073573 U CN208073573 U CN 208073573U CN 201820579156 U CN201820579156 U CN 201820579156U CN 208073573 U CN208073573 U CN 208073573U
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- 230000005619 thermoelectricity Effects 0.000 title claims abstract description 14
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- 230000005611 electricity Effects 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims description 22
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 7
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
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- 239000006244 Medium Thermal Substances 0.000 description 1
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- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
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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 application embodiment discloses a kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass, the other steam of height in this system first passes through back pressure turbine and drives the power generation of peaking generation machine, the electricity that peaking generation machine is sent out can be supplied to electric boiler, the thermal energy that electric boiler is converted into electric energy heat transferring medium to pass to heat supply network recirculated water again；The steam discharge of back pressure turbine can be utilized to heat heat supply network recirculated water simultaneously, realize the cascade utilization of energy, compare high-pressure bypass pressure and temperature reducing heat supply scheme, energy utilization rate is higher.In power grid low power consumption, using back pressure turbine steam discharge and grill pan stove heat heat supply network recirculated water, unit heat capacity is greatly improved, realizes thermoelectricity decoupling.In power grid peak of power consumption, the output of back pressure turbine is reduced, unit climbing capacity and load -response-speed is improved, improves the flexibility of dispatching of power netwoks.
Description
Technical field
It is this application involves fired power generating unit technical field, more particularly to a kind of to realize thermoelectricity decoupling and quick peak regulation using bypass
System.
Background technology
Recently as the fast development of the renewable energy utilizations such as wind-powered electricity generation, photovoltaic, the wind of abandoning of China some areas abandons light
Problem is also increasingly prominent.Therefore the depth peak modulation capacity for improving fired power generating unit is that the regenerative resources consumption such as solution wind-powered electricity generation is most direct
One of effective measures.National Energy Board《Electric power development 13 is planned》In mention (2016-2020) during 13 " flexibly
2.2 hundred million kilowatts, wherein thermoelectricity unit 1.33 hundred million kilowatts (three northern areas of China), 0.87 hundred million kilowatts of pure condensate unit is transformed in property.Increase peak regulation
0.46 hundred million kilowatts of ability, wherein 0.45 hundred million kilowatts of three northern areas of China.", it is meant that existing unit will at least increase by 20% peak regulation energy
Power.
Generally according to the original of " electricity determining by heat " when traditional cogeneration units or the progress cogeneration of heat and power transformation of pure condensate unit
It then designs, in order to meet heat supply in winter ability, generally in 70%-80% or more load operations, so as to cause Flexible Power Grid tune
Peak is less able, and abandoning wind, to abandon optical issue serious.
The electric load of unit is reduced as far as possible in order to realize cogeneration units under the premise of meeting heating demands, at present
Have and replaces optical axis (low pressure (LP) cylinder not air inlet), electric boiler, electric heating pump (from recirculated water using the direct pressure and temperature reducing of bypass, low pressure rotor
Absorb partial heat), steam heat pump (utilize intermediate pressure cylinder steam discharge), the thermoelectricity such as accumulation of heat water pot (or the energy storage devices such as gitter brick) decouple
Method.Wherein, bypass that direct pressure and temperature reducing steam enthalpy drop is big, and efficiency of energy utilization is low；Low pressure rotor is replaced optical axis and is needed every time
Long period more exchanging rotor, is unfavorable for unit continuous service；The electric energy heating that electric boiler utilizes, the degradation for belonging to the energy utilize,
Whole utilization efficiency is low；Electric heating pump, steam heat pump, accumulation of heat water pot etc. are limited to the raising effect of heat capacity.
Utility model content
The purpose of the application embodiment is to provide a kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass, solution
It has determined peak load regulation network capability problems.
To achieve the above object, the application embodiment provides a kind of utilize and bypasses the decoupling of realization thermoelectricity and quick peak regulation
System, including：Boiler, superheater, high side valve, steam turbine high-pressure cylinder, reheater, Steam Turbine Through IP Admission, turbine low pressure cylinder, hair
Motor, extraction control valve, First Heat Exchanger, heat supply network water pump, exhaust apparatus and heat supply network；The output end of the boiler and the overheat
One end of device is connected, and one end of the other end of the superheater and the high side valve, one end of the steam turbine high-pressure cylinder are simultaneously
It is connected, the other end of the high side valve is connected simultaneously with one end of the other end of the steam turbine high-pressure cylinder, the reheater, institute
The other end for stating reheater is connected with one end of the Steam Turbine Through IP Admission, the other end of the Steam Turbine Through IP Admission and the vapour
One end of turbine low pressure (LP) cylinder is connected, and the third end of the Steam Turbine Through IP Admission is connected with one end of the extraction control valve, described
The other end of extraction control valve is connected with one end of the First Heat Exchanger, the generator simultaneously with the steam turbine high-pressure cylinder
Output end, the output end of the Steam Turbine Through IP Admission, the turbine low pressure cylinder output end be connected, the steam turbine low-pressure
The other end of cylinder is connected with one end of the exhaust apparatus, and the other end of the First Heat Exchanger is another with the exhaust apparatus
End is connected, and the third end of the First Heat Exchanger is connected by heat supply network water pump with one end of the heat supply network；Further include：Back pressure steamer
Mechanical, electrical boiler and the second heat exchanger；Wherein,
It drives the back pressure turbine to generate electricity using the steam where the high side valve in pipeline, and provides power to institute
Electric boiler is stated to heat the heat supply network recirculated water in the second heat exchanger, while utilizing the back pressure turbine steam discharge, improves unit
Heat capacity.
Preferably, further include：High other peak regulation valve, peaking generation machine, steam discharge non-return valve, heat transferring medium circulating pump, peak regulation store
Hot tank outlet valve, the second heat exchanger, peak regulation heat-accumulator tank inlet valve and peak regulation heat-accumulator tank bypass valve；Wherein,
One end of the high other peak regulation valve is connected with the other end of the other end of the superheater, the high side valve simultaneously,
The other end of the high other peak regulation valve is connected with one end of the back pressure turbine, the other end of the back pressure turbine with it is described
One end of steam discharge non-return valve is connected, the other end of the steam discharge non-return valve and the other end of the extraction control valve, described first
One end of heat exchanger is connected simultaneously；The third end of the back pressure turbine is connected with one end of the peaking generation machine, the tune
The other end of peak generator is connected with one end of the electric boiler, and the second end of the electric boiler passes through heat transferring medium uplink pipeline
It is connected with the first end of second heat exchanger, the third end of the electric boiler passes through heat transferring medium downlink pipeline and the heat exchange
One end of medium circulation pump is connected, and the other end of the heat transferring medium circulating pump is connected with the second end of second heat exchanger,
One end of the peak regulation heat-accumulator tank outlet valve is connected with the third end of second heat exchanger, the peak regulation heat-accumulator tank outlet valve
The other end is connected simultaneously with the other end of one end of the peak regulation heat-accumulator tank bypass valve, the heat supply network, by the peak regulation heat-accumulator tank
The other end of road valve is connected simultaneously with the 4th end of one end of the peak regulation heat-accumulator tank inlet valve, the First Heat Exchanger, described
The other end of peak regulation heat-accumulator tank inlet valve is connected with the 4th end of second heat exchanger.
Preferably, the First Heat Exchanger includes：Heat supply network heat exchanger and pipe heat exchanger；Wherein,
The pipe heat exchanger is placed in the heat supply network heat exchanger, one end of the pipe heat exchanger and the exhaust apparatus
The other end be connected, the other end of the pipe heat exchanger is connected by the extraction control valve with the Steam Turbine Through IP Admission,
And it is connected simultaneously with the back pressure turbine by steam discharge non-return valve；One end of the heat supply network heat exchanger and the peak regulation heat-accumulator tank
The other end of bypass valve, one end of the peak regulation heat-accumulator tank inlet valve are connected simultaneously, the other end of the heat supply network heat exchanger and institute
Heat supply network water pump is stated to be connected.
Preferably, second heat exchanger includes：Peak regulation heat-accumulator tank and coil exchanger；Wherein,
The coil exchanger is placed in the peak regulation heat-accumulator tank, and the top port of the peak regulation heat-accumulator tank passes through heat exchange
Medium uplink pipeline is connected with the electric boiler；The lower port of the peak regulation heat-accumulator tank passes through heat transferring medium downlink pipeline and institute
Heat transferring medium circulating pump is stated to be connected；The bottom port of the coil exchanger is connected with the peak regulation heat-accumulator tank inlet valve, institute
The top port for stating coil exchanger is connected with the peak regulation heat-accumulator tank outlet valve.
Preferably, the extraction control valve is four-part form extraction control valve.
Therefore compared with prior art, the other steam of height in this system first passes through back pressure turbine and drives peak regulation
Electrical power generators, the electricity that peaking generation machine is sent out can be supplied to electric boiler, electric boiler that electric energy is converted into heat transferring medium
Thermal energy (demineralized water or other media) passes to heat supply network recirculated water again；The steam discharge of back pressure turbine can be utilized to add simultaneously
Heat supply network recirculated water realizes the cascade utilization of energy, compares high-pressure bypass pressure and temperature reducing heat supply scheme, and energy utilization rate is higher.In electricity
When net low power consumption, using back pressure turbine steam discharge and grill pan stove heat heat supply network recirculated water, unit heat capacity is greatly improved, it is real
Existing thermoelectricity decoupling.In power grid peak of power consumption, the output of back pressure turbine is reduced, improves unit climbing capacity and load responding speed
Rate improves the flexibility of dispatching of power netwoks.
Description of the drawings
It, below will be to embodiment in order to illustrate more clearly of the application embodiment or technical solution in the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments described in the application, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of connection for system for realizing thermoelectricity decoupling and quick peak regulation using bypass that the embodiment of the present application proposes
Schematic diagram.
Attached drawing identifies：
1, boiler 2, superheater 3, high other peak regulation valve 5, high side valve 6, steam turbine high-pressure cylinder
7, reheater 8, Steam Turbine Through IP Admission 9, turbine low pressure cylinder 10, generator 11, extraction control valve
12, peaking generation machine 13, back pressure turbine 14, steam discharge non-return valve 15, peaking generation machine go out busbar
16, electric boiler 17, heat transferring medium uplink pipeline 18, heat transferring medium downlink pipeline 19, heat transferring medium circulating pump
20, peak regulation heat-accumulator tank outlet valve 21, peak regulation heat-accumulator tank 22, coil exchanger 23, peak regulation heat-accumulator tank inlet valve
24, peak regulation heat-accumulator tank bypass valve 25, heat supply network heat exchanger 26, pipe heat exchanger 27, heat supply network water pump
28,29 heat supply network of exhaust apparatus
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in mode is applied, the technical solution in the application embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment party in the application
Formula, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, is all answered
When the range for belonging to the application protection.
This programme newly increases on the basis of ensureing unit thermodynamic system and power generation old process and utilizes high other steam all the way
The system of power generation and accumulation of heat, it is therefore an objective to drive back pressure turbine power generation that electric boiler is supplied to be changed to heat peak regulation using reject steam
Heat supply network recirculated water in hot device, while back pressure turbine steam discharge is utilized, to improve the heat capacity of unit.
Based on this, a kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass that the embodiment of the present application proposes, such as
Shown in Fig. 1.Including：In boiler 1, superheater 2, high other peak regulation valve 3, high side valve 5, steam turbine high-pressure cylinder 6, reheater 7, steam turbine
Cylinder pressure 8, turbine low pressure cylinder 9, generator 10, extraction control valve 11, peaking generation machine 12, back pressure turbine 13, steam discharge check
Valve 14, electric boiler 16, heat transferring medium circulating pump 19, peak regulation heat-accumulator tank outlet valve 20, First Heat Exchanger, the second heat exchanger, peak regulation
Heat-accumulator tank inlet valve 23, peak regulation heat-accumulator tank bypass valve 24, heat supply network water pump 27, exhaust apparatus 28 and heat supply network 29.
The output end of the boiler 1 is connected with one end of the superheater 2, the other end of the superheater 2 and the height
One end of side valve 5, one end of the steam turbine high-pressure cylinder 6 are connected simultaneously, and the other end and the steam turbine of the high side valve 5 are high
The other end of cylinder pressure 6, one end of the reheater 7 are connected simultaneously, the other end of the reheater 7 and the Steam Turbine Through IP Admission
8 one end is connected, and the other end of the Steam Turbine Through IP Admission 8 is connected with one end of the turbine low pressure cylinder 9, the steam turbine
The third end of intermediate pressure cylinder 8 is connected with one end of the extraction control valve 11, the other end of the extraction control valve 11 and described the
One end of one heat exchanger is connected, and the generator 10 is pressed with the output end of the steam turbine high-pressure cylinder 6, the steam turbine simultaneously
The output end of cylinder 8, the output end of the turbine low pressure cylinder 9 are connected, the other end of the turbine low pressure cylinder 9 and the exhaust
One end of device 28 is connected, and the other end of the First Heat Exchanger is connected with the other end of the exhaust apparatus 28, and described first
The third end of heat exchanger is connected by heat supply network water pump 27 with one end of the heat supply network 29；One end of the high other peak regulation valve 3 is simultaneously
It is connected with the other end of the other end of the superheater 2, the high side valve 5, the other end and the back of the body of the high other peak regulation valve 3
One end of steam turbine 13 is pressed to be connected, the other end of the back pressure turbine 13 is connected with one end of the steam discharge non-return valve 14, institute
State the same phase in one end of the other end of steam discharge non-return valve 14 and the other end of the extraction control valve 11, the First Heat Exchanger
Even；The third end of the back pressure turbine 13 is connected with one end of the peaking generation machine 12, the peaking generation machine 12 it is another
One end goes out busbar 15 by peaking generation machine and is connected with one end of the electric boiler 16, and the second end of the electric boiler 16 is by changing
Thermal medium uplink pipeline 17 is connected with the first end of second heat exchanger, and the third end of the electric boiler 16 passes through heat transferring medium
Downlink pipeline 18 is connected with one end of the heat transferring medium circulating pump 19, the other end of the heat transferring medium circulating pump 19 with it is described
The second end of second heat exchanger is connected, one end of the peak regulation heat-accumulator tank outlet valve 20 and the third end phase of second heat exchanger
Even, one end of the other end of the peak regulation heat-accumulator tank outlet valve 20 and the peak regulation heat-accumulator tank bypass valve 24, the heat supply network 29
The other end is connected simultaneously, one end of the other end of the peak regulation heat-accumulator tank bypass valve 24 and the peak regulation heat-accumulator tank inlet valve 23,
4th end of the First Heat Exchanger is connected simultaneously, the other end and second heat exchanger of the peak regulation heat-accumulator tank inlet valve 23
The 4th end be connected.
As shown in Figure 1, First Heat Exchanger includes：Heat supply network heat exchanger 25 and pipe heat exchanger 26；Wherein, the pipe type heat transfer
Device 26 is placed in the heat supply network heat exchanger 25, the other end phase of one end of the pipe heat exchanger 26 and the exhaust apparatus 28
Even, the other end of the pipe heat exchanger 26 is connected by the extraction control valve 11 with the Steam Turbine Through IP Admission 8, and simultaneously
It is connected with the back pressure turbine 13 by steam discharge non-return valve 14；One end of the heat supply network heat exchanger 25 and the peak regulation heat-accumulator tank
The other end of bypass valve 24, the peak regulation heat-accumulator tank inlet valve 23 one end simultaneously be connected, the heat supply network heat exchanger 25 it is another
End is connected with the heat supply network water pump 27.
As shown in Figure 1, second heat exchanger includes：Peak regulation heat-accumulator tank 21 and coil exchanger 22；Wherein, coiled
Heat exchanger 22 is placed in the peak regulation heat-accumulator tank 21, and the top port of the peak regulation heat-accumulator tank 21 passes through heat transferring medium uplink pipeline
17 are connected with the electric boiler 16；The lower port of the peak regulation heat-accumulator tank 21 is changed by heat transferring medium downlink pipeline 18 with described
Thermal medium circulating pump 19 is connected；The bottom port of the coil exchanger 22 is connected with the peak regulation heat-accumulator tank inlet valve 23,
The top port of the coil exchanger 22 is connected with the peak regulation heat-accumulator tank outlet valve 20.
In the normal mode, unit works according to conventional power generation flow, i.e., boiler 1 generates steam and heated through superheater 2
It is converted into qualified steam later, qualified steam steam discharge after the acting of steam turbine high-pressure cylinder 6 enters reheater 7, and reheated device 7 heats
Steam later sequentially enters Steam Turbine Through IP Admission 8, turbine low pressure cylinder 9 does work, and the steam discharge of turbine low pressure cylinder 9 (does work it
Steam afterwards) enter the cooling of exhaust apparatus 28.When unit heat supply, extraction control valve 11 is opened, the steam of discharge enters heat supply network and changes
Hot device 25 exchanges heat with heat supply network recirculated water, to meet the needs of heat supply network 29.But when network load is relatively low, extraction control valve is only relied on
Steam cannot be satisfied the demand of heat supply network 29, thermic load and electric load it is particularly thorny.
It is transferred to low ebb from peak in power grid electricity consumption, with the reduction of unit load, heat supply that the existing load of unit is provided
When amount cannot be met the needs of users, unit enters power generation and heat supply pattern：High other peak regulation valve 3 is opened to supply to back pressure turbine 13
Vapour, back pressure turbine 13 drive coaxial peaking generation machine 12 to generate electricity, and sending out electricity can partly or entirely be supplied to electric boiler 16 to make
With electric boiler 16 consumes the thermal energy that electric energy is converted into heat transferring medium (demineralized water or other media), by the heat exchange of heating
Medium enters 21 top of peak regulation heat-accumulator tank by heat transferring medium uplink pipeline 17, in its own gravity and heat transferring medium circulating pump 19
To 21 flows of peak regulation heat-accumulator tank under suction force, to exchange heat with the heat supply network recirculated water in coil exchanger 22, after cooling
Heat transferring medium heated again into electric boiler 16 through heat transferring medium circulating pump 19 and heat transferring medium downlink pipeline 18.Heat supply network recycles
Water enters coil exchanger 22 from peak regulation heat-accumulator tank inlet valve 23, is discharged by peak regulation heat-accumulator tank outlet valve 20 after heating
Heat supply network recirculated water is back to heat network system 29.
When normal operation, peak regulation heat-accumulator tank 21 keeps certain liquid level, and is adjusted by adjusting the power of electric boiler 16
The caloric receptivity of heat transferring medium, to ensure that the temperature of heat supply network recirculated water is met the requirements.Meanwhile the steam discharge of back pressure turbine 13 is through row
Vapour non-return valve 14 enters heat supply network heat exchanger 25 with regulating valve 11 and exchanges heat with heat supply network recirculated water, thus improves hot net water and mildly changes
Heat greatly improves the heat capacity of unit, realizes thermoelectricity decoupling.
When power grid electricity consumption is transferred to low ebb from peak, although boiler oil amount, with load reduction, boiler 1 has larger heat
Inertia limits the load down rate of unit, can start back pressure turbine 13 and peak regulation hair by opening high other peak regulation valve 3 at this time
Motor 12 realizes rapid-transport line to reduce the throttle flow of steam turbine high-pressure cylinder 6, reduce steam turbine power generation acting ability.
When power grid electricity consumption is transferred to peak from low ebb, while boiler gradually increases fuel quantity, adjusted by adjusting by height
The aperture of peak valve 3 reduces the throttle flow of back pressure turbine 13, quickly to reduce the output of back pressure turbine 13, then quickly increases
The throttle flow for adding steam turbine high-pressure cylinder 6, to improve the climbing capacity and load -response-speed of unit.Reach certain negative in unit
It, can be complete by peak regulation valve 3 by height when lotus, only the 4th of extraction control valve 11 grade are evacuated and heat exchange amount can meet heat demand
It closes, and then stoppage in transit back pressure turbine 13, while peaking generation machine 12 is also stopped transport, to which unit restores normal mode.
By the present embodiment it is found that the technical program improves cogeneration units flexibility peak regulation using turbine high-pressure bypass
Ability can also meet the heating requirement of unit in low- load conditions, while can also meet certain fast velocity modulation load-bearing capacity.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that there are many deformations by the application
With variation without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application
Spirit.
Claims (5)
1. a kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass, including：Boiler (1), superheater (2), high side valve
(5), steam turbine high-pressure cylinder (6), reheater (7), Steam Turbine Through IP Admission (8), turbine low pressure cylinder (9), generator (10), steam extraction
Regulating valve (11), First Heat Exchanger, heat supply network water pump (27), exhaust apparatus (28) and heat supply network (29)；The output end of the boiler (1)
It is connected with one end of the superheater (2), one end of the other end of the superheater (2) and the high side valve (5), the steamer
One end of machine high pressure cylinder (6) is connected simultaneously, the other end of the high side valve (5) and the other end of the steam turbine high-pressure cylinder (6),
One end of the reheater (7) is connected simultaneously, one end of the other end and the Steam Turbine Through IP Admission (8) of the reheater (7)
It is connected, the other end of the Steam Turbine Through IP Admission (8) is connected with one end of the turbine low pressure cylinder (9), in the steam turbine
The third end of cylinder pressure (8) is connected with one end of the extraction control valve (11), the other end of the extraction control valve (11) and institute
State First Heat Exchanger one end be connected, the generator (10) at the same with the output end of the steam turbine high-pressure cylinder (6), the vapour
The output end of turbine intermediate pressure cylinder (8), the output end of the turbine low pressure cylinder (9) be connected, the turbine low pressure cylinder (9) it is another
One end is connected with the one end of the exhaust apparatus (28), and the other end of the First Heat Exchanger is another with the exhaust apparatus (28)
One end is connected, and the third end of the First Heat Exchanger is connected by heat supply network water pump (27) with one end of the heat supply network (29)；
It is characterized in that, further including：Back pressure turbine (13), electric boiler (16) and the second heat exchanger；Wherein,
It drives the back pressure turbine (13) to generate electricity using the steam where the high side valve (5) in pipeline, and electric energy is provided
To the electric boiler (16) to heat the heat supply network recirculated water in the second heat exchanger, while being arranged using the back pressure turbine (13)
Vapour improves the heat capacity of unit.
2. the system as claimed in claim 1, which is characterized in that further include：High other peak regulation valve (3), peaking generation machine (12), row
Vapour non-return valve (14), heat transferring medium circulating pump (19), peak regulation heat-accumulator tank outlet valve (20), the second heat exchanger, peak regulation heat-accumulator tank into
Water valve (23) and peak regulation heat-accumulator tank bypass valve (24)；Wherein,
One end of the high other peak regulation valve (3) simultaneously with the other end of the superheater (2), the other end of the high side valve (5)
It is connected, the other end of the high other peak regulation valve (3) is connected with one end of the back pressure turbine (13), the back pressure turbine
(13) the other end is connected with one end of the steam discharge non-return valve (14), the other end and the pumping of the steam discharge non-return valve (14)
The other end of steam control valve (11), one end of the First Heat Exchanger are connected simultaneously；The third end of the back pressure turbine (13)
It is connected with one end of the peaking generation machine (12), the other end of the peaking generation machine (12) and the one of the electric boiler (16)
End is connected, the first end that the second end of the electric boiler (16) passes through heat transferring medium uplink pipeline (17) and second heat exchanger
It is connected, the third end of the electric boiler (16) passes through heat transferring medium downlink pipeline (18) and the heat transferring medium circulating pump (19)
One end is connected, and the other end of the heat transferring medium circulating pump (19) is connected with the second end of second heat exchanger, the peak regulation
One end of heat-accumulator tank outlet valve (20) is connected with the third end of second heat exchanger, the peak regulation heat-accumulator tank outlet valve (20)
The other end is connected simultaneously with the other end of one end of the peak regulation heat-accumulator tank bypass valve (24), the heat supply network (29), the peak regulation
One end of the other end of heat-accumulator tank bypass valve (24) and the peak regulation heat-accumulator tank inlet valve (23), the 4th of the First Heat Exchanger the
It holds while being connected, the other end of the peak regulation heat-accumulator tank inlet valve (23) is connected with the 4th end of second heat exchanger.
3. system as claimed in claim 2, which is characterized in that the First Heat Exchanger includes：Heat supply network heat exchanger (25) and pipe
Formula heat exchanger (26)；Wherein,
The pipe heat exchanger (26) is placed in the heat supply network heat exchanger (25), one end of the pipe heat exchanger (26) with it is described
The other end of exhaust apparatus (28) is connected, and the other end of the pipe heat exchanger (26) passes through the extraction control valve (11) and institute
It states Steam Turbine Through IP Admission (8) to be connected, and is connected simultaneously with the back pressure turbine (13) by steam discharge non-return valve (14)；The heat
The other end of one end of net heat exchanger (25) and the peak regulation heat-accumulator tank bypass valve (24), the peak regulation heat-accumulator tank inlet valve (23)
One end simultaneously be connected, the other end of the heat supply network heat exchanger (25) is connected with the heat supply network water pump (27).
4. system as claimed in claim 2, which is characterized in that second heat exchanger includes：Peak regulation heat-accumulator tank (21) and disk
Pipe heat exchanger (22)；Wherein,
The coil exchanger (22) is placed in the peak regulation heat-accumulator tank (21), the top port of the peak regulation heat-accumulator tank (21)
It is connected with the electric boiler (16) by heat transferring medium uplink pipeline (17)；The lower port of the peak regulation heat-accumulator tank (21) passes through
Heat transferring medium downlink pipeline (18) is connected with the heat transferring medium circulating pump (19)；The bottom end of the coil exchanger (22)
Mouth is connected with the peak regulation heat-accumulator tank inlet valve (23), top port and the peak regulation accumulation of heat of the coil exchanger (22)
Tank outlet valve (20) is connected.
5. the system as claimed in claim 1, which is characterized in that the extraction control valve is four-part form extraction control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820579156.3U CN208073573U (en) | 2018-04-23 | 2018-04-23 | A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820579156.3U CN208073573U (en) | 2018-04-23 | 2018-04-23 | A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass |
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| CN208073573U true CN208073573U (en) | 2018-11-09 |
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| CN201820579156.3U Active CN208073573U (en) | 2018-04-23 | 2018-04-23 | A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678819A (en) * | 2018-04-23 | 2018-10-19 | 华北电力科学研究院有限责任公司 | A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass |
| CN109915221A (en) * | 2019-01-31 | 2019-06-21 | 西安西热节能技术有限公司 | A kind of internal bypass steamer dragging system and method applied to cogeneration units |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678819A (en) * | 2018-04-23 | 2018-10-19 | 华北电力科学研究院有限责任公司 | A kind of system for realizing thermoelectricity decoupling and quick peak regulation using bypass |
| CN108678819B (en) * | 2018-04-23 | 2024-01-26 | 华北电力科学研究院有限责任公司 | System for realizing thermal decoupling and rapid peak shaving by utilizing bypass |
| CN109915221A (en) * | 2019-01-31 | 2019-06-21 | 西安西热节能技术有限公司 | A kind of internal bypass steamer dragging system and method applied to cogeneration units |
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