CN209558305U - Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant - Google Patents
Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant Download PDFInfo
- Publication number
- CN209558305U CN209558305U CN201821922989.1U CN201821922989U CN209558305U CN 209558305 U CN209558305 U CN 209558305U CN 201821922989 U CN201821922989 U CN 201821922989U CN 209558305 U CN209558305 U CN 209558305U
- Authority
- CN
- China
- Prior art keywords
- vapour
- peak regulation
- steam
- power plant
- storage electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a kind of thermal power plant and penetrates vapour vapor extractor combination thermal storage electric boiler peak regulation system, including generator, boiler, big steam turbine, small turbine, the peak regulation system includes penetrating vapour vapor extractor, thermal storage electric boiler, peak regulation control platform and steam control valve, the vapour vapor extractor of penetrating is connected by steam control valve with high injection vapour vapour source and low pressure steam supply vapour source, the thermal storage electric boiler is connected with generator, is combined peak regulation by peak regulation control platform and the vapour vapor extractor of penetrating.Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model, the peak regulation surplus electricity in power plant can not only be consumed, also the vapour source that recoverable power generation generates, promote the flexibility of thermal power plant's generating set operation, grid balance and peak-valley difference problem are alleviated, the service life of power plant equipment is extended.
Description
Technical field
The utility model relates to electric power energy technical fields, and in particular to vapour vapor extractor combination hot stored electric is penetrated by a kind of thermal power plant
Boiler peak regulation system.
Background technique
Power grid is because night load is few, while the larger production capacity for needing to dissolve the new energy such as wind-powered electricity generation, photoelectricity, water power and nuclear power is negative
Lotus, guarantees the preferential online as clean energy resource, and thermal power plant needs to carry out peaking generation according to dispatching of power netwoks situation, cause in recent years
Carry out China's fired power generating unit annual is persistently reduced using hourage, and most of unit load rates are less than 70%.And in underload
Under the conditions of, the heat-economy of unit and safety will be decreased obviously, therefore the lance between peak load regulation network and fired power generating unit flexibility
Shield becomes increasingly conspicuous.
Under the premise of the safe and stable operation of the quality of guarantee electric energy and equipment, peak regulation energy conservation, which is always in Electric Power Network Planning, is
The most important thing.The installed capacity of thermal power generation unit at present and generated energy still occupy leading position, by Large-scale fire-electricity unit depth
Degree peak regulation technique is solves the problems, such as peak-valley difference that current electric system faces away from being gradually increased and ensure power grid consumption wind energy, the sun
The fundamental way of the new energy such as energy.
In numerous thermoelectricity flexibility depth peak regulating plans, it is broadly divided into unit in-house facility and unit external equipment tune
Peak scheme.Wherein carrying out depth peak regulation using the underrun characteristic of the host equipments such as fired power generating unit boiler itself, steam turbine is
The peak regulating plan of most of power plant's first choices, however when unit carries out varying duty or underrun, machine is not only greatly lowered
Group generating efficiency, and unit durability can be reduced.Especially existing steam turbine side such as hp and lp bypass spray desuperheating depressurizes peak regulation side
Case will lead to a large amount of thermodynamic loss, reduce heat-economy of the entire unit under underload peaking operation operating condition.
Heat storage electric boiler is a kind of electric heating equipment being made of boilers heated electrically and regenerative apparatus, will by boilers heated electrically
Electric energy is converted into thermal energy and can be stored in accumulation of heat link.At night, the booting operation of power grid low-valley interval electric boiler is made
Heat, heat accumulation, heat supply improve power load and then promote peak load regulation network space；In power grid peak period on daytime, electric boiler then subtracts
It contributes or shuts down, the heat heat supply stored in release heat-accumulator tank, to play the positive effect for the peak load that disappears to power grid.
Vapour vapor extractor is penetrated, using jet stream turbulent diffusion, to transmit the fluid machinery and hybrid reaction of energy and quality
For equipment, it can be achieved that transient heating, heat loss is smaller, and heating is very fast, has that heat transfer efficiency is high, noise it is low (can reach 65dB with
Under), small in size, installation is simple, and it is reliable for operation without moving component, have the function of instantaneously being heated and pressurizeed, small investment etc. is excellent
Point.A large amount of condensed water can be generated during power plants generating electricity, condensed water can generate a certain amount of low pressure again in cooling procedure
Steam.Low-pressure steam recycling is difficult and cost recovery is higher.It penetrates vapour vapor extractor and utilizes the extra high steam of power plant and low
Steam is pressed, high steam and low-pressure steam are subjected to mixed heat transfer, recycling low-pressure vapor residual heat carries out heat supply.
In conclusion how to avoid the waste of the power plant peak regulation energy, realize that the depth peak regulation of thermal power plant is current ability
Field technique personnel's urgent problem to be solved.
Utility model content
In view of this, the utility model, which is directed to a kind of thermal power plant, penetrates vapour vapor extractor combination thermal storage electric boiler peak regulation system
System reduces the waste of the power plant peak regulation energy to alleviate high-lighting contradiction between peak load regulation network and fired power generating unit flexibility, improves
The economic benefit of power plant.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant, including generator, boiler, big steam turbine,
Small turbine, the peak regulation system includes penetrating vapour vapor extractor, thermal storage electric boiler, peak regulation control platform and steam control valve, described
It penetrates vapour vapor extractor to be connected by steam control valve with high injection vapour vapour source and low pressure steam supply vapour source, the thermal storage electric boiler is available
Peak regulation surplus electricity is combined peak regulation by peak regulation control platform and the vapour vapor extractor of penetrating.
Further, the thermal storage electric boiler, penetrate vapour vapor extractor and connect with heat supply heat supply network by pipeline；Thermal storage electric boiler,
It penetrates vapour vapor extractor and passes through control connection with peak regulation control platform respectively.
Further, penetrate the low pressure steam supply vapour source of vapour vapor extractor from small steam turbine exhaust steam, big turbine discharge or its
At least one of his low temperature vapour source.
Further, penetrate vapour vapor extractor high injection vapour vapour source include the high pressure main steam of boiler, high pressure cylinder steam extraction or
At least one of steam discharge, intermediate pressure cylinder steam discharge or steam extraction, the reheating hot arc steam extraction of reheater.
Further, the big steam turbine is composed in series by high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder, wherein the low pressure (LP) cylinder has 2
It is a to be arranged in parallel each other.
Further, the steam discharge for penetrating vapour vapor extractor can enter unit thermodynamic system, heat exchangers for district heating, industrial steam pipe
Any one in line.
Further, the thermal storage electric boiler is solid heat storage electric boiler, phase-change material thermal storage electric boiler, accumulation of heat electrode pot
Furnace, hot stored electric steam boiler, any one in heat-accumulation electric water heater boiler.
Further, the electric energy of thermal storage electric boiler comes self generator or booster stations outlet or Station Service Electrical-Energy wiring.
Further, the peak regulation system further includes feed pump, low-pressure heater, high-pressure heater, oxygen-eliminating device, condensing
The steam discharge of device, big steam turbine is condensed into water through condenser, and water carries out heat temperature raising by low-pressure heater, high-pressure heater and removes
Boiler is turned again to through feed pump after oxygen device deoxygenation to be reused.
Further, the peak regulation control platform passes through steam control valve and thermal storage electric boiler described in control connection
Power switch is instructed according to the peak regulation that power plant receives, and adjusts the high injection vapour or low pressure steam supply vapour source for corresponding to steam control valve
The power supply volume of flow and thermal storage electric boiler completes peak regulation of power plant workload demand.
Compared with the existing technology, vapour vapor extractor combination thermal storage electric boiler peak regulation is penetrated by a kind of thermal power plant described in the utility model
System has the advantage that
1. the utility model can directly consume the peak regulation surplus electricity in power plant, the peak-valley difference problem of power plant is alleviated, is prolonged
The service life of power plant equipment is grown；Thermal energy is converted by the electric energy that power plant generates, realizes the covert storage of electric energy, thus
The flexibility for promoting the operation of thermal power plant's generating set, depth peak regulation can be realized under the premise of not changing unit output, plays power plant
Disappear the effect of peak load.
2. the utility model can not only extract partial high pressure gas source to utilize low pressure vapour source by penetrating vapour vapor extractor, will
Low-pressure steam, steam exhaust, steam discharge that difficulty utilizes etc. are converted into thermal energy, realize energy-saving to realize to heat recovery；Simultaneously
In peak regulation, penetrating vapour vapor extractor can absorb a large amount of high steam, utilize, to further enhance power plant's depth peak regulation power
Degree.
3. the utility model avoids heat loss caused by prior art spray desuperheating pressure reducer.
4. the utility model realizes the flexible peak regulation of unit generation load using the control for penetrating vapour vapor extractor and steam valve
Control penetrates vapour vapor extractor steam discharge and imports therrmodynamic system or supply heat exchangers for district heating, sufficiently recycles working medium heat, improve entire machine
The thermal efficiency and heat-economy of group.
5. electric heat storage boiler is combined by the utility model with vapour vapor extractor is penetrated, both can depth using electric heat storage boiler
It the advantages of peak regulation, can also be by penetrating recycling and peak load regulation of the vapour vapor extractor realization to exhaust steam of electric power plant.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.In
In attached drawing:
Fig. 1 is the schematic diagram that vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model.
Fig. 2 is the preferred reality that vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model
Apply the schematic diagram of example.
Fig. 3 is that the another preferred of vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model
The schematic diagram of embodiment.
Fig. 4 is that the another preferred of vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model
The schematic diagram of embodiment.
Fig. 5 is that the another preferred of vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant described in the utility model
The schematic diagram of embodiment.
Description of symbols:
Boiler -1, reheater -2, feed pump -3, small turbine -4, big steam turbine -5, high pressure cylinder -6, intermediate pressure cylinder -7, low pressure
Cylinder -8, thermal storage electric boiler -10, is penetrated vapour vapor extractor -11, heat exchangers for district heating -12, low-pressure heater -13, high pressure and is added generator -9
Hot device -14, oxygen-eliminating device -15, steam control valve -16, condenser -17, peak regulation control platform -18.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, vapour vapor extractor combination thermal storage electric boiler peak regulation system, including generator 9, boiler are penetrated by a kind of thermal power plant
1, big steam turbine 5, small turbine 4, feed pump 3, low-pressure heater 13, high-pressure heater 14, oxygen-eliminating device 15, condenser 17, storage
Water-tube boiler 10 penetrates vapour vapor extractor 11 and peak regulation control platform 18 and steam control valve 16.Thermal power plant is connected in dispatching of power netwoks
The depth peak regulation load shedding of the heart increases load instruction, and the peak regulation control platform 18 of thermal power plant is according to current unit load and operation feelings
Condition, will penetrate vapour vapor extractor 11 and thermal storage electric boiler 10 effectively combines, and isolated operation is selected to penetrate vapour vapor extractor 11 or thermal storage electric boiler
10, or the peaking operation mode of both selections operation simultaneously, using the high injection vapour vapour source at least 4 tunnels and at least 2 in power generation
Road low pressure steam supply vapour source and peak regulation surplus electricity carry out depth peak regulation.
Specifically, small turbine 4 can drive the operation of feed pump 3 to provide for water circulation when power plants generating electricity after starting
Power.Water body is pumped into high-pressure heater 14 and preheated by feed pump 3, and the water body after preheating enters running boiler 1
To generate high steam, high steam, which enters in high pressure cylinder 6, drives generator 9 to do work, to convert heat into electric energy；When connecing
To when peak regulation instruction, the steam for bypassing high pressure main steam by high steam as high injection vapour vapour source may be selected as needed
Vapour vapor extractor 11 is penetrated described in the entrance of regulating valve 16 to be used.
In addition, after the steam discharge of high pressure cylinder 6 or steam extraction enter reheater 2, reheated cold section, can enter after reheating hot arc
Drive the acting of generator 9 to generate electricity in cylinder pressure 7.When being connected to peak regulation instruction, the steam discharge of high pressure cylinder 6 or steam extraction and reheating hot arc
Steam, which can be used as high injection vapour vapour source and enter to penetrate in vapour vapor extractor 11, to be used.
It generates electricity likewise, the steam extraction of intermediate pressure cylinder 7 or steam discharge can enter low pressure (LP) cylinder 8；After being connected to peak regulation instruction, middle pressure
The steam extraction of cylinder 7 or steam discharge, which also can be used as high injection vapour vapour source and adjust to enter by steam control valve 16, to be penetrated vapour vapor extractor 11 and is subject to benefit
With；In addition, the row of the low pressure (LP) cylinder 8 of drainage pipe can will be passed through after above-mentioned high injection vapour vapour source enters and penetrates in vapour vapor extractor 11
The steam discharge of vapour or small turbine 4 is pumped into penetrate in vapour vapor extractor 11 and be mixed, and is recycled, and energy utilization rate, drop are improved
Low cost.
The vapour vapor extractor 11 of penetrating is connected with unit thermodynamic system pipeline, industrial steam pipeline, heat exchangers for district heating 12.Through penetrating
Heat source can enter unit thermodynamic system pipeline, industrial steam pipe according to vapour source quality and actual demand after the processing of vapour vapor extractor 11
Road enters heat supply heat supply network after heat exchangers for district heating heats up.
In addition, the steam discharge of low pressure (LP) cylinder 8, which can enter in condenser 17, is liquefied as water, above-mentioned water body by low-pressure heater 13 into
The first heating of row, then be pumped back to high-pressure heater 14 through water supply after the processing of oxygen-eliminating device 15 and reused.
Preferably, heat exchangers for district heating 12, low-pressure heater 13, high-pressure heater 14 are added by high steam progress water body
Heat.
After being connected to peak regulation instruction, power switch is opened, starts thermal storage electric boiler 10, the fortune of equipment is selected according to peak regulation dynamics
Row load.Thermal storage electric boiler 10 using generator 9 produce electricl energy or booster stations outlet or national grid electricity water body is heated after
It is delivered to heat supply heat supply network；Meanwhile also may be selected to store part electric energy in the form of accumulation of heat, it is released when peak times of power consumption
It puts, alleviates the peak-valley difference problem of power plant, extend the service life of power plant equipment.
Embodiment 2
As shown in Fig. 2, thermal power plant is connected to the depth peak regulation load shedding instruction of grid dispatching center, the peak regulation control of thermal power plant
Platform 18 is according to current unit load and operating condition, the peaking operation mode of both selections operation simultaneously, with 1 phase of embodiment
Than the present embodiment carries out depth peak regulation as high injection vapour vapour source and peak regulation surplus electricity using the high pressure main steam in power generation.
In power generation process, small turbine 4 is rear after starting to drive the operation of feed pump 3 to provide the power for water circulation.
Water body is pumped into high-pressure heater 14 and preheated by feed pump 3, and water body enters running boiler 1 to generate height after preheating
Press steam.
Power plant be connected to load shedding peak regulation instruction after, peak regulation control platform 18 simultaneously to thermal storage electric boiler 10, penetrate vapour vapor extractor
11 send peak regulation instruction.After being connected to instruction, power switch is opened, selection is stored by 80% operation thermal storage electric boiler 10 at full capacity
Water-tube boiler 10 produces electricl energy carry out accumulation of heat using generator 9；When accumulation of heat at full capacity after, water body is added using thermal storage electric boiler 10
Heat, water body can transport to heat supply heat supply network after heating, to reduce power plant to power grid for electricity output, achieve the purpose that peak regulation.
It penetrates after vapour vapor extractor 11 is connected to peak regulation instruction, selection tunes up steam control valve 16, the high steam portion that boiler 1 generates
Divide and is generated electricity into the acting of high pressure cylinder 6 with driving generator 9, and high pressure main steam is steamed as high injection vapour vapour source by high pressure
Vapour, which bypasses into, penetrates vapour vapor extractor 11, thus by low pressure steam supply vapour source --- and the small steam turbine steam discharge of part, which is evacuated to, penetrates vapour vapor extractor 11
It is interior, by 2 cotransformations at hot industry steam, converge to industrial steam pipeline.It is used for by penetrating the consumption of vapour vapor extractor 11 part
The high steam of power generation realizes peak regulation purpose to reduce the generated energy of unit.
In addition, after the steam discharge of high pressure cylinder 6 or steam extraction enter reheater 2, reheated cold section, can enter after reheating hot arc
Drive the acting of generator 9 to generate electricity in cylinder pressure 7.The steam extraction of intermediate pressure cylinder 7 or steam discharge then enter low pressure (LP) cylinder 8 and generate electricity；
The steam discharge of low pressure (LP) cylinder 8, which enters in condenser 17, is liquefied as water, and above-mentioned water body is carried out for the first time by low-pressure heater 13
Heating, then be pumped back to high-pressure heater 14 through water supply after the processing of oxygen-eliminating device 15 and reused.
Embodiment 3
As shown in figure 3, thermal power plant is connected to the depth peak regulation load shedding instruction of grid dispatching center, the peak regulation control of thermal power plant
Platform 18 selects isolated operation to penetrate vapour vapor extractor 11, compared with Example 1, this reality according to current unit load and operating condition
It applies example and carries out depth peak regulation as high injection vapour vapour source merely with the steam discharge or steam extraction of the high pressure cylinder 6 in power generation.
In power generation process, small turbine 4 is rear after starting to drive the operation of feed pump 3 to provide the power for water circulation.
Water body is pumped into high-pressure heater 14 by feed pump 3, and water body enters running boiler 1 to generate high steam after heating.
High steam enters the acting of high pressure cylinder 6 to drive generator 9 to generate electricity, and the steam discharge of the high pressure cylinder 6 of part enters reheating
After device 2, reheated cold section, enter after reheating hot arc and drive the acting of generator 9 to generate electricity in intermediate pressure cylinder 7.Meanwhile opening high pressure cylinder
The steam control valve 16 of 6 steam discharges, the steam discharge of high pressure cylinder 6 enters as high injection vapour vapour source to be penetrated in vapour vapor extractor 11, thus by low
Steam supply vapour source --- the steam discharge of the low pressure (LP) cylinder 8 of part is evacuated to be penetrated in vapour vapor extractor 11 pressure, by 2 cotransformations at high-temperature-hot-water,
After being heated into heat exchangers for district heating 12, heat supply heat supply network is imported to effectively reduce unit generation amount and realizes the depth tune of power plant
Peak.
The steam discharge of intermediate pressure cylinder 7 or steam extraction then enter low pressure (LP) cylinder 8 and generate electricity；The steam discharge of low pressure (LP) cylinder 8 enters in condenser 17
It is liquefied as water, above-mentioned water body is heated for the first time by low-pressure heater 13, then is pumped back to after the processing of oxygen-eliminating device 15 through water supply
High-pressure heater 14 is reused.
Embodiment 4
As shown in figure 4, thermal power plant is connected to the depth peak regulation load shedding instruction of grid dispatching center, the peak regulation control of thermal power plant
Platform 18 selects isolated operation to penetrate vapour vapor extractor 11, compared with Example 1, this reality according to current unit load and operating condition
It applies example and carries out depth peak regulation as high injection vapour vapour source merely with the steam of the reheating hot arc in power generation.
In power generation process, small turbine 4 is rear after starting to drive the operation of feed pump 3 to provide the power for water circulation.
Water body is pumped into high-pressure heater 14 by feed pump 3, and water body enters running boiler 1 to generate high steam after heating.
High steam enters the acting of high pressure cylinder 6 to drive generator 9 to generate electricity, and the steam discharge of high pressure cylinder 6 or steam extraction enter reheating
After device 2, reheated cold section, partially enter in intermediate pressure cylinder 7 after reheating hot arc and drive the acting of generator 9 to generate electricity.Meanwhile it opening again
The steam control valve 16 of hot arc steam, reheating hot arc steam enters as high injection vapour vapour source to be penetrated in vapour vapor extractor 11, thus
By low pressure steam supply vapour source --- the steam discharge of the low pressure (LP) cylinder 8 of part, which is evacuated to, to be penetrated in vapour vapor extractor 11, by 2 cotransformations at Gao Wenre
Water after heating into heat exchangers for district heating 12, imports heat supply heat supply network to effectively reduce unit generation amount and realizes the depth of power plant
Peak regulation.
The steam discharge of intermediate pressure cylinder 7 or steam extraction then enter low pressure (LP) cylinder 8 and generate electricity；The steam discharge of low pressure (LP) cylinder 8 enters in condenser 17
It is liquefied as water, above-mentioned water body is heated for the first time by low-pressure heater 13, then is pumped back to after the processing of oxygen-eliminating device 15 through water supply
High-pressure heater 14 is reused.
Embodiment 5
As shown in figure 5, thermal power plant is connected to the depth peak regulation load shedding instruction of grid dispatching center, the peak regulation control of thermal power plant
Platform 18 selects isolated operation to penetrate vapour vapor extractor 11, compared with Example 1, this reality according to current unit load and operating condition
It applies example and carries out depth peak regulation as high injection vapour vapour source merely with the steam discharge or steam extraction of the intermediate pressure cylinder 7 in power generation.
In power generation process, small turbine 4 is rear after starting to drive the operation of feed pump 3 to provide the power for water circulation.
Water body is pumped into high-pressure heater 14 by feed pump 3, and water body enters running boiler 1 to generate high steam after heating.
High steam enters the acting of high pressure cylinder 6 to drive generator 9 to generate electricity, and the steam discharge of high pressure cylinder 6 or steam extraction enter reheating
After device 2, reheated cold section, enter after reheating hot arc and drive the acting of generator 9 to generate electricity in intermediate pressure cylinder 7.Meanwhile opening intermediate pressure cylinder
The steam control valve 16 of 7 steam extractions, the part steam extraction of intermediate pressure cylinder 7 enters as high injection vapour vapour source penetrates in vapour vapor extractor 11, thus
By low pressure steam supply vapour source --- the steam discharge of the small turbine 4 of part, which is evacuated to, to be penetrated in vapour vapor extractor 11, by 2 cotransformations at high temperature
Hot water after heating into heat exchangers for district heating 12, imports heat supply heat supply network to effectively reduce unit generation amount and realizes the depth of power plant
Spend peak regulation.
Another part steam extraction of intermediate pressure cylinder 7 then enters low pressure (LP) cylinder 8 and generates electricity；The steam discharge of low pressure (LP) cylinder 8 enters condenser 17
In be liquefied as water, above-mentioned water body is heated for the first time by low-pressure heater 13, then through water supply blowback after the processing of oxygen-eliminating device 15
It is reused to high-pressure heater 14.
Embodiment 6
As shown in Figure 1, thermal power plant is connected to the depth peak regulation load shedding instruction of grid dispatching center, the peak regulation control of thermal power plant
Platform 18 selects thermal storage electric boiler 10 by carrying out depth using peak regulation surplus electricity according to current unit load and operating condition
Peak regulation.
The thermal storage electric boiler is solid heat storage electric boiler, phase-change material electric boiler, electrode boiler, electric steam boiler, electricity
One of hot-water boiler, it is preferred that the thermal storage electric boiler is solid heat storage electric boiler.
After power plant is connected to the instruction of load shedding peak regulation, peak regulation control platform 18 sends peak regulation instruction to thermal storage electric boiler 10.It connects
To after instruction, power switch is opened, selects oepration at full load thermal storage electric boiler 10, water body is heated, water body can transport after heating
To heat supply heat supply network.Preferably, selection solid heat storage electric boiler carries out depth peak regulation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. vapour vapor extractor combination thermal storage electric boiler peak regulation system, including generator (9), boiler (1), big steamer are penetrated by a kind of thermal power plant
Machine (5), small turbine (4), which is characterized in that the peak regulation system includes penetrating vapour vapor extractor (11), thermal storage electric boiler (10), adjusting
Peak control platform (18) and steam control valve (16), described penetrate vapour vapor extractor (11) pass through steam control valve (16) and high injection vapour
Vapour source and low pressure steam supply vapour source are connected, and the thermal storage electric boiler (10) is connected with generator (9), passes through peak regulation control platform (18)
Peak regulation is combined with the vapour vapor extractor (11) of penetrating.
2. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
Thermal storage electric boiler (10) is stated, vapour vapor extractor (11) is penetrated and is connect with heat supply heat supply network by pipeline；Thermal storage electric boiler (10) penetrates vapour steam extraction
Device (11) passes through control connection with peak regulation control platform (18) respectively.
3. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
State at least one of the low pressure steam supply vapour source for penetrating vapour vapor extractor (11) in small turbine (4) steam discharge, big steam turbine (5) steam discharge
Kind.
4. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
State penetrate vapour vapor extractor (11) high injection vapour vapour source include the high pressure main steam of boiler (1), high pressure cylinder (6) steam extraction or steam discharge, in
At least one of cylinder pressure (7) steam extraction or steam discharge, the reheating hot arc steam of reheater (2).
5. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
It states and penetrates the steam discharge of vapour vapor extractor (11) and can enter unit thermodynamic system, heat exchangers for district heating (12), any in industrial steam pipeline
It is a kind of.
6. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
Stating thermal storage electric boiler (10) is solid heat storage electric boiler, phase-change material thermal storage electric boiler, accumulation of heat electrode boiler, hot stored electric steam copper
Any one in furnace, heat-accumulation electric water heater boiler.
7. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 6, which is characterized in that store
The electric energy of water-tube boiler (10) comes self generator (9) or booster stations outlet or electric auxiliary single-line diagram.
8. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
Stating peak regulation system further includes feed pump (3), low-pressure heater (13), high-pressure heater (14), oxygen-eliminating device (15), condenser
(17), the steam discharge of big steam turbine is condensed into water through condenser (17), water by low-pressure heater (13), high-pressure heater (14) into
Boiler (1), which is turned again to, through feed pump (3) after row heat temperature raising and oxygen-eliminating device (15) deoxygenation carries out power plant's thermodynamic cycle.
9. vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by thermal power plant according to claim 1, which is characterized in that institute
Peak regulation control platform (18) are stated to establish by cable by the confession of steam control valve (16) described in control connection and thermal storage electric boiler (10)
It closes, is instructed according to the peak regulation that power plant receives, adjust the high injection vapour of corresponding steam control valve (16) or the stream of low pressure steam supply vapour source
The power supply volume of amount and thermal storage electric boiler (10) completes peak regulation of power plant workload demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922989.1U CN209558305U (en) | 2018-11-21 | 2018-11-21 | Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922989.1U CN209558305U (en) | 2018-11-21 | 2018-11-21 | Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209558305U true CN209558305U (en) | 2019-10-29 |
Family
ID=68299652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922989.1U Active CN209558305U (en) | 2018-11-21 | 2018-11-21 | Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209558305U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671690A (en) * | 2019-10-31 | 2020-01-10 | 赵毅 | Electrode boiler and heat storage water tank combined peak regulation method and special device |
| CN111485964A (en) * | 2020-04-17 | 2020-08-04 | 山西定慧能源科技有限公司 | Thermoelectric decoupling method for coal-fired power plant based on turboexpander |
| CN111810261A (en) * | 2020-06-30 | 2020-10-23 | 上海电力大学 | Condensing unit peak regulation system |
| CN111878949A (en) * | 2020-08-28 | 2020-11-03 | 西安热工研究院有限公司 | Low-pressure-cylinder few-steam heating system and method capable of achieving annual operation |
| CN112050188A (en) * | 2020-09-09 | 2020-12-08 | 西安西热节能技术有限公司 | Thermal power generating unit deep peak regulation system and method for regulating steam supply by utilizing electrode steam boiler |
| CN113006895A (en) * | 2021-04-01 | 2021-06-22 | 济南达能动力技术有限责任公司 | Method and system for reducing station power consumption rate of power plant |
| CN113137650A (en) * | 2021-04-16 | 2021-07-20 | 浙江大学 | Steam heat network system combined with distributed power generation and regulation and control method |
| CN113756893A (en) * | 2021-08-27 | 2021-12-07 | 北京工业大学 | Multi-unit combined operation flexibility adjusting system among multiple power plants |
-
2018
- 2018-11-21 CN CN201821922989.1U patent/CN209558305U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671690A (en) * | 2019-10-31 | 2020-01-10 | 赵毅 | Electrode boiler and heat storage water tank combined peak regulation method and special device |
| CN111485964A (en) * | 2020-04-17 | 2020-08-04 | 山西定慧能源科技有限公司 | Thermoelectric decoupling method for coal-fired power plant based on turboexpander |
| CN111485964B (en) * | 2020-04-17 | 2022-05-10 | 山西定慧能源科技有限公司 | Thermoelectric decoupling method for coal-fired power plant based on turboexpander |
| CN111810261A (en) * | 2020-06-30 | 2020-10-23 | 上海电力大学 | Condensing unit peak regulation system |
| CN111878949A (en) * | 2020-08-28 | 2020-11-03 | 西安热工研究院有限公司 | Low-pressure-cylinder few-steam heating system and method capable of achieving annual operation |
| CN112050188A (en) * | 2020-09-09 | 2020-12-08 | 西安西热节能技术有限公司 | Thermal power generating unit deep peak regulation system and method for regulating steam supply by utilizing electrode steam boiler |
| CN113006895A (en) * | 2021-04-01 | 2021-06-22 | 济南达能动力技术有限责任公司 | Method and system for reducing station power consumption rate of power plant |
| CN113137650A (en) * | 2021-04-16 | 2021-07-20 | 浙江大学 | Steam heat network system combined with distributed power generation and regulation and control method |
| CN113137650B (en) * | 2021-04-16 | 2022-06-24 | 浙江大学 | Steam heat network system regulation and control method combined with distributed power generation |
| CN113756893A (en) * | 2021-08-27 | 2021-12-07 | 北京工业大学 | Multi-unit combined operation flexibility adjusting system among multiple power plants |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209558305U (en) | Vapour vapor extractor combination thermal storage electric boiler peak regulation system is penetrated by a kind of thermal power plant | |
| CN111140296B (en) | Thermal power generating unit molten salt cascade storage and release energy peak regulation system and method | |
| CN112855293B (en) | Integrated heat storage industrial steam supply cogeneration peak shaving frequency modulation system and operation method | |
| CA2574830C (en) | Electric power plant with thermal storage medium | |
| CN212157096U (en) | Peak-regulating and frequency-modulating system for solid heat storage power generation of thermal power plant | |
| CN206668346U (en) | The system that the high other and reheating heat of boiler promotes peak load regulation flexibility | |
| CN110207092A (en) | A kind of fired power generating unit power generation peak adjusting system and method based on the full heat heating fused salt accumulation of heat of steam | |
| CN111206970B (en) | Peak regulating system utilizing steam jet and steam extractor in thermal power plant and control method | |
| CN113390075A (en) | Thermal power plant solid heat storage power generation peak regulation and frequency modulation system and working method | |
| CN107420138A (en) | Turbo-generator Set novel energy-conserving system and method | |
| CN106437875A (en) | Thermal power generating unit working medium shunting circulation peak shaving system | |
| CN204115055U (en) | Reduce the energy-saving heating system of heat supply return water temperature and recovery steam power plant waste heat | |
| CN214660400U (en) | Multistage steam extraction back pressure type small steam turbine grading heat regeneration and heating system | |
| CN209557053U (en) | The peak regulation system of vapour vapor extractor is penetrated in a kind of thermal power plant's utilization | |
| CN108413379B (en) | It is a kind of that system is utilized based on the industrial coal gas synergy dragged | |
| CN201246193Y (en) | Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology | |
| CN217712695U (en) | Industry supplies vapour system based on fused salt energy storage | |
| CN113790435B (en) | Coal-fired unit and SOFC (solid oxide Fuel cell) coupled power generation system and operation method thereof | |
| CN206094020U (en) | Improve device of boiler feed water temperature | |
| CN113280390B (en) | Deep peak regulation heat supply grade improving system and method based on heat pump boosting reheating | |
| CN108487955A (en) | System and method is utilized based on the coal gas synergy that steam parameter is promoted | |
| CN202030802U (en) | Flue gas waste heat utilization device of steel-rolling heating furnace | |
| MX2010009587A (en) | Hybrid power plant. | |
| CN204677302U (en) | Disc type solar energy photo-thermal and rock gas combined generating system | |
| CN204677246U (en) | Tower type solar photo-thermal and rock gas combined generating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |