CN106437876A - Cogeneration unit deep peak regulating system and running method thereof - Google Patents
Cogeneration unit deep peak regulating system and running method thereof Download PDFInfo
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- CN106437876A CN106437876A CN201610738334.8A CN201610738334A CN106437876A CN 106437876 A CN106437876 A CN 106437876A CN 201610738334 A CN201610738334 A CN 201610738334A CN 106437876 A CN106437876 A CN 106437876A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Thermal Sciences (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention relates to a cogeneration unit deep peak regulating system and a running method thereof. No effective thermal power generating unit electric power peak regulating technology exists at present. The cogeneration unit deep peak regulating system comprises a boiler, a turbine, a power generator, a heat exchange station, a heat user, a heat supply extraction steam pipe and a heat supply pipeline. The turbine is connected with the power generator, and the heat exchange station is connected with the heat user through the heat supply pipeline. The cogeneration unit deep peak regulating system further comprises a heat exchange device, a heat storage device, a main steam pipe, a reheat steam pipe and a temperature and pressure reduction device; the boiler is connected with the main steam pipe, and the main steam pipe is divided into two branches connected with the turbine and the temperature and pressure reduction device correspondingly; the turbine is connected with the reheat steam pipe, and the reheat steam pipe is divided into two branches connected with the boiler and the temperature and pressure reduction device correspondingly; and the temperature and pressure reduction device, the heat exchange device and the heat storage device are sequentially connected through a pipeline. The heat storage device is connected with the heat supply pipeline through a pipeline. The cogeneration unit deep peak regulating system is reasonable in design and reliable in performance, and unit electric power peak regulating and heat load peak clipping and valley filling are facilitated.
Description
Technical field
The invention belongs to heat supply thermal power plant accumulation of heat peak regulation technique field is and in particular to a kind of cogeneration units depth peak regulation
System and its operation method, are particularly suited for carrying out the thermal power plant of heat supply and peak load regulation network.
Background technology
At present, China's policy gradually payes attention to the popularization of new forms of energy, reduces the ratio of fired power generating unit.Ended for the end of the year 2012, I
The installed capacity of wind-driven power of the existing 44.8GW of state.But it is special that wind-powered electricity generation has very strong randomness, intermittence, uncontrollability and anti-peak regulation
Property, this has just been gradually increased the difficulty that fired power generating unit carries out peak load regulation network.In order to be able to new forms of energy resource of effectively dissolving, country by
The policy gradually increasing fired power generating unit peak regulation requires, and such as northeast Supervision Bureau of National Energy Board is with regard to printing and distributing《Tohoku Electric Power peak regulation
Assisted hatching supervisory method（Tentative）》And its supplementary provisions requirement should lift clean energy resource and dissolve space, ensure again
Resident's heating quality.Define " staged " compensation mechanism simultaneously, divide third gear making up price according to peak regulation rate, that is, first grade：48%
<Thermal power plant's peak regulation rate≤55%, compensation valency is 0.4 yuan/kWh；Second gear：55%<Thermal power plant's peak regulation rate≤60%, the valency that compensates is 0.4
～0.6 yuan/kWh；Third gear：Thermal power plant's peak regulation rate>60%, compensation valency is 0.6～0.8 yuan/kWh.
As can be seen here, national policy is just progressively increasing the compensation dynamics to fired power generating unit peak modulation capacity；Require thermoelectricity simultaneously
Unit, when carrying out peak load regulation network, must ensure the heating quality of resident, and this just increases fired power generating unit peak regulation further
Difficulty.Therefore, how effectively to carry out fired power generating unit power peak regulation, and do not affect resident's heating quality, thermal power plant is come
Say, play vital effect.Publication date is on 01 19th, 2011, the Chinese patent of Publication No. CN101950964A
In, a kind of disclosed system comprising cogeneration units and pure condensed steam formula fired power generating unit and dispatching method, also could not be really real
Now lift the function of unit motility.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency present in prior art, and provide a kind of reasonable in design, performance
Reliable, it is advantageously implemented cogeneration units depth peak regulation system and its operation of unit power peak regulation and thermic load peak load shifting
Method.
The present invention solves the above problems and be employed technical scheme comprise that：This cogeneration units depth peak regulation system includes pot
Stove, steam turbine, electromotor, heat exchange station, heat user, heat supply extraction steam pipe and heat supply pipeline, described steam turbine and electromotor connect, institute
State electromotor and electrical network connects, described steam turbine passes through heat supply extraction steam pipe and heat exchange station connects, and described heat exchange station passes through heating tube
Road and heat user connect, and its construction features is：Also include heat transmission equipment, regenerative apparatus, main steam pipe, reheated steam pipe and subtract
Warm decompressor, described boiler and main steam pipe connect, described main steam pipe be divided into two branch roads respectively with steam turbine and desuperheat
Decompressor connects, and described steam turbine and reheated steam pipe connect, described reheated steam pipe be divided into two branch roads respectively with boiler
Connect with reducing-and-cooling plant, described reducing-and-cooling plant, heat transmission equipment and regenerative apparatus are sequentially connected by pipeline, described storage
Thermal passes through pipeline and heat supply pipeline connects.
Preferably, present invention additionally comprises valve A and valve B, described valve A and valve B is separately mounted to main steam pipe
Two branch roads on.
Preferably, present invention additionally comprises valve C, described valve C is arranged on for connecting heat transmission equipment and regenerative apparatus
Pipeline on.
Preferably, present invention additionally comprises valve D and valve E, described valve D and valve E is installed on heat supply pipeline,
The both sides of the junction point that this valve D and valve E is connected with heat supply pipeline positioned at regenerative apparatus respectively.
Preferably, present invention additionally comprises valve F, described valve F is arranged on for connecting regenerative apparatus and heat supply pipeline
Pipeline on.
Preferably, present invention additionally comprises valve H, described valve H is arranged on reheated steam pipe.
Preferably, present invention additionally comprises valve G and valve J, described valve G and valve J is separately mounted to reheated steam
On two branch roads of pipe.
Preferably, steam turbine of the present invention is extraction condensing type thermal power plant unit or back pressure type thermal power plant unit.
A kind of operation method of described cogeneration units depth peak regulation system it is characterised in that：Described operation method
Step as follows：
1）When steam turbine is for back pressure type thermal power plant unit, by adjusting operating condition, main steam or the reheated steam difference of boiler
Enter steam turbine to meet peak regulation demand with the flow of heat transmission equipment and the operating condition of regenerative apparatus；
When electrical load requirement is decreased or increased, is reduced by the method increaseing or decreasing reheated steam flow or improve
The generation load of thermoelectricity unit, or discharges the storage of this partial heat of the reheated steam increasing or decreasing furthermore with regenerative apparatus
Out, to reach the coupling of electric load and thermic load；And/or, reduce or increase the evaporation capacity of boiler, to decrease or increase main steaming
Vapour enters the flow of steam turbine to meet power peak regulation demand, balances steam turbine using regenerative apparatus accumulation of heat or heat release simultaneously and supplies
Thermic load supply-demand difference between the two needed for thermic load and heat user；If both the above method still cannot meet electric power adjusted
Peak demand, then passed through for a part of main steam to introduce heat transmission equipment, to reduce the throttle flow of steam turbine further, to be reduced with depth
The generation load of thermoelectricity unit, the heat of main steam release is supplied directly to heat supply network, or is stored heat using regenerative apparatus
Come；
2）When steam turbine is for extraction condensing type thermal power plant unit, by the operating condition of adjustment boiler, the operating condition of regenerative apparatus, master
Steam or reheated steam respectively enter steam turbine to meet peak regulation need with the flow of heat transmission equipment and the operating condition of steam turbine
Ask；
When electrical load requirement is decreased or increased, by increased or decrease heating and draw gas or reheated steam flow method Lai
Reduce or improve the generation load of thermoelectricity unit, furthermore with regenerative apparatus, the heating increasing or decreasing is drawn gas or reheated steam
This partial heat stores or discharges, to reach the coupling of electric load and thermic load；And/or, reduce or increase the steaming of boiler
Send out amount, to decrease or increase main steam and to enter the flow of steam turbine to meet power peak regulation demand, to utilize regenerative apparatus to store simultaneously
Heat or heat release are balancing thermic load supply-demand difference between the two needed for steam turbine heating demand and heat user；If both the above
Method still cannot meet power peak regulation demand, then pass through for a part of main steam to introduce heat transmission equipment, to reduce vapour further
The throttle flow of turbine, reduces the generation load of thermoelectricity unit, the heat of main steam release is supplied directly to heat supply network, or profit with depth
With regenerative apparatus, heat is stored.
Preferably, the present invention carries out heat supply or using accumulation of heat dress using the steam that cogeneration units produce for heat user
Put when carrying out accumulation of heat, the steam that prioritizing selection heat supply extraction steam pipe provides, is secondly the steam that reheated steam pipe provides, last based on
The steam that steam pipe provides.
The present invention compared with prior art, has advantages below and effect：Structure is simple, reasonable in design, dependable performance, base
In accumulation of heat peak regulation system, appropriate design is realized thermal power plant and meets the power peak regulation of electrical network requiring, and can also realize Cogeneration Heat
The purpose of load peak load shifting；After having used the present invention, it is possible to achieve fired power generating unit meets the demand for heat and generating power simultaneously,
There is higher practice be worth.
Brief description
Fig. 1 is the structural representation of cogeneration units depth peak regulation system in the embodiment of the present invention.
In figure：1 boiler, 2 steam turbines, 3 electromotors, 4 heat exchange stations, 5 heat user, 6 heat transmission equipments, 7
Regenerative apparatus, 8 valve A, 9 valve B, 10 valve C, 11 valve D, 12 valve E, 13 valve F, 14 valve G,
15 valve H, 16 valve J, 17 main steam pipes, 18 reheated steam pipes, 19 heat supply extraction steam pipes, 20 heat supply pipelines,
21 reducing-and-cooling plants.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are to this
Bright explanation and the invention is not limited in following examples.
Embodiment.
Referring to Fig. 1, the cogeneration units depth peak regulation system in the present embodiment includes boiler 1, steam turbine 2, electromotor
3rd, heat exchange station 4, heat user 5, heat transmission equipment 6, regenerative apparatus 7, valve A8, valve B9, valve C10, valve D11, valve E12,
Valve F13, valve G14, valve H15, valve J16, main steam pipe 17, reheated steam pipe 18, heat supply extraction steam pipe 19, heat supply pipeline
20 and reducing-and-cooling plant 21, wherein, steam turbine 2 can be extraction condensing type thermal power plant unit or back pressure type thermal power plant unit.
Steam turbine 2 in the present embodiment and electromotor 3 connect, and electromotor 3 and electrical network connect, and steam turbine 2 is taken out by heat supply
Steam pipe 19 and heat exchange station 4 connect, and heat exchange station 4 passes through heat supply pipeline 20 and heat user 5 connects, and boiler 1 and main steam pipe 17 connect.
Main steam pipe 17 is divided into two branch roads and is connected with steam turbine 2 and reducing-and-cooling plant 21 respectively, that is, main steam pipe 17 separate two
In bar branch road, a branch road is connected with steam turbine 2, and another branch road is connected with reducing-and-cooling plant 21.
Steam turbine 2 in the present embodiment and reheated steam pipe 18 connect, reheated steam pipe 18 be divided into two branch roads respectively with
Boiler 1 and reducing-and-cooling plant 21 connect, and in two branch roads that is, reheated steam pipe 18 separates, a branch road is connected with boiler 1,
Another branch road is connected with reducing-and-cooling plant 21.Reducing-and-cooling plant 21, heat transmission equipment 6 and regenerative apparatus 7 pass through pipeline according to
Secondary connection, regenerative apparatus 7 passes through pipeline and heat supply pipeline 20 connects.
Valve A8 in the present embodiment and valve B9 is separately mounted on two branch roads of main steam pipe 17, wherein, valve
A8 is arranged on the branch road being connected with steam turbine 2, and valve B9 is arranged on the branch road being connected with reducing-and-cooling plant 21.Valve C10
It is arranged on the pipeline for connecting heat transmission equipment 6 and regenerative apparatus 7.Valve D11 and valve E12 is installed in heat supply pipeline 20
On, the both sides of the junction point that this valve D11 and valve E12 is connected with heat supply pipeline 20 positioned at regenerative apparatus 7 respectively, i.e. valve
D11, regenerative apparatus 7 are arranged in order along heat supply pipeline 20 with the junction point of heat supply pipeline 20 and valve E12.Valve F13 installs
In the pipeline for connecting regenerative apparatus 7 and heat supply pipeline 20.Valve H15 is arranged on reheated steam pipe 18.Valve G14 and
Valve J16 is separately mounted on two branch roads of reheated steam pipe 18, and wherein, valve G14 is arranged on the branch road being connected with boiler 1
On, valve J16 is arranged on the branch road being connected with reducing-and-cooling plant 21.
The step of the operation method of cogeneration units depth peak regulation system in the present embodiment is as follows.
1）When steam turbine 2 is back pressure type thermal power plant unit, steamed by operating condition, main steam or the reheating adjusting boiler 1
Vapour respectively enters steam turbine 2 to meet peak regulation demand with the flow of heat transmission equipment 6 and the operating condition of regenerative apparatus 7.
When electrical load requirement is decreased or increased, reduced by the method increaseing or decreasing reheated steam flow or
Improve the generation load of thermoelectricity unit, furthermore with regenerative apparatus 7, this partial heat of the reheated steam increasing or decreasing is stored
Or discharge, to reach the coupling of electric load and thermic load；And/or, reduce or increase boiler 1 evaporation capacity, to reduce or
Increase main steam and enter the flow of steam turbine 2 to meet power peak regulation demand, put down using regenerative apparatus 7 accumulation of heat or heat release simultaneously
Weighing apparatus steam turbine 2 heating demand and thermic load supply-demand difference between the two needed for heat user 5；If both the above method is still no
Method meets power peak regulation demand, then pass through for a part of main steam to introduce heat transmission equipment 6, to reduce entering of steam turbine 2 further
Vapour amount, reduces the generation load of thermoelectricity unit with depth, and the heat of main steam release is supplied directly to heat supply network, or using accumulation of heat dress
Put 7 to store heat.
2）When steam turbine 2 is extraction condensing type thermal power plant unit, by adjusting the operating condition of boiler 1, the operation of regenerative apparatus 7
Operating mode, main steam or reheated steam are respectively enterd steam turbine 2 and are come with the flow of heat transmission equipment 6 and the operating condition of steam turbine 2
Meet peak regulation demand.
When electrical load requirement is decreased or increased, by increased or decrease heating and draw gas or reheated steam flow side
The heating increasing or decreasing reducing or to improve the generation load of thermoelectricity unit, is drawn gas or by method furthermore with regenerative apparatus 7 again
This partial heat of vapourss stores or discharges, to reach the coupling of electric load and thermic load；And/or, reduce or increase pot
The evaporation capacity of stove 1, to decrease or increase main steam and to enter the flow of steam turbine 2 to meet power peak regulation demand, simultaneously using storage
Thermal 7 accumulation of heat or heat release are balancing steam turbine 2 heating demand and thermic load supply-demand difference between the two needed for heat user 5；
If both the above method still cannot meet power peak regulation demand, by a part of main steam is introduced heat transmission equipment 6, come
Reduce the throttle flow of steam turbine 2 further, reduce the generation load of thermoelectricity unit with depth, the heat of main steam release directly supplies
It is given to heat supply network, or using regenerative apparatus 7, heat is stored.
Carry out heat supply for heat user 5 or utilize regenerative apparatus 7 using the steam that cogeneration units produce in the present embodiment
Secondly when carrying out accumulation of heat, the steam that prioritizing selection heat supply extraction steam pipe 19 provides, is the steam that reheated steam pipe 18 provides, finally for
The steam that main steam pipe 17 provides.
The present invention is based on regenerative apparatus 7, and appropriate design realizes the power peak regulation of cogeneration units and thermic load peak clipping is filled out
Paddy, after the present invention, not only can realize unit simultaneously and meet the demand supplying heat and generating power, can also realize boiler and locate for a long time
In preferably operating condition, there is higher practice and be worth.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to present configuration example explanation.All according to
The equivalence changes done according to the construction described in inventional idea of the present invention, feature and principle or simple change, are all included in this
In the protection domain of bright patent.Those skilled in the art can do various to described specific embodiment
The modification of various kinds or supplement or substituted using similar mode, the structure without departing from the present invention or surmount present claims
Scope defined in book, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of cogeneration units depth peak regulation system, including boiler（1）, steam turbine（2）, electromotor（3）, heat exchange station（4）、
Heat user（5）, heat supply extraction steam pipe（19）And heat supply pipeline（20）, described steam turbine（2）And electromotor（3）Connect, described steamer
Machine（2）By heat supply extraction steam pipe（19）And heat exchange station（4）Connect, described heat exchange station（4）By heat supply pipeline（20）And heat user
（5）Connect it is characterised in that：Also include heat transmission equipment（6）, regenerative apparatus（7）, main steam pipe（17）, reheated steam pipe（18）
And reducing-and-cooling plant（21）, described boiler（1）And main steam pipe（17）Connect, described main steam pipe（17）It is divided into two branch roads
Respectively with steam turbine（2）And reducing-and-cooling plant（21）Connect, described steam turbine（2）With reheated steam pipe（18）Connect, described
Reheated steam pipe（18）Be divided into two branch roads respectively with boiler（1）And reducing-and-cooling plant（21）Connect, described pressure and temperature reducing dress
Put（21）, heat transmission equipment（6）And regenerative apparatus（7）It is sequentially connected by pipeline, described regenerative apparatus（7）By pipeline and heat supply
Pipeline（20）Connect.
2. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve A（8）With
Valve B（9）, described valve A（8）With valve B（9）It is separately mounted to main steam pipe（17）Two branch roads on.
3. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve C（10）,
Described valve C（10）It is arranged on for connecting heat transmission equipment（6）And regenerative apparatus（7）Pipeline on.
4. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve D（11）
With valve E（12）, described valve D（11）With valve E（12）It is installed in heat supply pipeline（20）On, this valve D（11）With valve E
（12）It is located at regenerative apparatus respectively（7）With heat supply pipeline（20）The both sides of the junction point connecting.
5. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve F（13）,
Described valve F（13）It is arranged on for connecting regenerative apparatus（7）And heat supply pipeline（20）Pipeline on.
6. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve H（15）,
Described valve H（15）It is arranged on reheated steam pipe（18）On.
7. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Also include valve G（14）
With valve J（16）, described valve G（14）With valve J（16）It is separately mounted to reheated steam pipe（18）Two branch roads on.
8. cogeneration units depth peak regulation system according to claim 1 it is characterised in that：Described steam turbine（2）For
Extraction condensing type thermal power plant unit or back pressure type thermal power plant unit.
9. the operation method of the cogeneration units depth peak regulation system as described in a kind of any claim as claim 1～8,
It is characterized in that：The step of described operation method is as follows：
1）Work as steam turbine（2）During for back pressure type thermal power plant unit, by adjusting boiler（1）Operating condition, main steam or reheating steam
Vapour respectively enters steam turbine（2）With heat transmission equipment（6）Flow and regenerative apparatus（7）Operating condition meeting peak regulation need
Ask；
When electrical load requirement is decreased or increased, is reduced by the method increaseing or decreasing reheated steam flow or improve
The generation load of thermoelectricity unit, furthermore with regenerative apparatus（7）By this partial heat of the reheated steam increasing or decreasing storage or
Discharge, to reach the coupling of electric load and thermic load；And/or, reduce or increase boiler（1）Evaporation capacity, to reduce or
Increase main steam and enter steam turbine（2）Flow to meet power peak regulation demand, simultaneously utilize regenerative apparatus（7）Accumulation of heat or heat release
To balance steam turbine（2）Heating demand and heat user（5）Required thermic load supply-demand difference between the two；If both the above side
Method still cannot meet power peak regulation demand, then pass through for a part of main steam to introduce heat transmission equipment（6）, to reduce vapour further
Turbine（2）Throttle flow, with depth reduce thermoelectricity unit generation load, main steam release heat be supplied directly to heat supply network,
Or utilize regenerative apparatus（7）Heat is stored；
2）Work as steam turbine（2）During for extraction condensing type thermal power plant unit, by adjusting boiler（1）Operating condition, regenerative apparatus（7）Fortune
Row operating mode, main steam or reheated steam respectively enter steam turbine（2）With heat transmission equipment（6）Flow and steam turbine（2）Fortune
Row operating mode is meeting peak regulation demand；
When electrical load requirement is decreased or increased, by increased or decrease heating and draw gas or reheated steam flow method Lai
Reduce or improve the generation load of thermoelectricity unit, furthermore with regenerative apparatus（7）The heating increasing or decreasing is drawn gas or reheating
This partial heat of steam stores or discharges, to reach the coupling of electric load and thermic load；And/or, reduce or increase boiler
（1）Evaporation capacity, to decrease or increase main steam enter steam turbine（2）Flow to meet power peak regulation demand, utilize simultaneously
Regenerative apparatus（7）Accumulation of heat or heat release are balancing steam turbine（2）Heating demand and heat user（5）The confession between the two of required thermic load
Need difference；If both the above method still cannot meet power peak regulation demand, by a part of main steam is introduced heat exchange
Equipment（6）, to reduce steam turbine further（2）Throttle flow, with depth reduce thermoelectricity unit generation load, main steam discharge
Heat be supplied directly to heat supply network, or utilize regenerative apparatus（7）Heat is stored.
10. cogeneration units depth peak regulation system according to claim 9 operation method it is characterised in that：Using
The steam that cogeneration units produce is heat user（5）Carry out heat supply or utilize regenerative apparatus（7）When carrying out accumulation of heat, prioritizing selection
Heat supply extraction steam pipe（19）The steam providing, is secondly reheated steam pipe（18）The steam providing, finally for main steam pipe（17）Carry
For steam.
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| CN108023360A (en) * | 2017-12-27 | 2018-05-11 | 浙江大学 | Avoided the peak hour and the participation peak load regulation network steam power plant of heat supply network heat accumulation and peak regulating method based on thermoelectricity |
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| CN108592137A (en) * | 2018-07-13 | 2018-09-28 | 大连亨利测控仪表工程有限公司 | A kind of thermal power plant's flexibility transformation twin-tub decoupling depth peak regulation system |
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| CN109139153A (en) * | 2018-07-27 | 2019-01-04 | 国电龙源节能技术有限公司 | Thermal generation unit heat storage type assists peak regulation heating system and method |
| CN109139153B (en) * | 2018-07-27 | 2023-12-26 | 国能龙源蓝天节能技术有限公司 | Heat storage type auxiliary peak shaving heat supply system and method for coal-fired generator set |
| CN109113813A (en) * | 2018-10-23 | 2019-01-01 | 赫普科技发展（北京）有限公司 | A kind of heat accumulating power generating system |
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| CN109538317A (en) * | 2018-11-12 | 2019-03-29 | 东北电力大学 | A kind of Dynamic calculation method of the heat regenerative system that can be improved peak load regulation ability and heat regenerative system heat storage can vapor (steam) temperature |
| CN109538317B (en) * | 2018-11-12 | 2021-04-06 | 东北电力大学 | Regenerative system capable of improving peak regulation capacity of unit and dynamic calculation method for steam temperature of heat storage tank of regenerative system |
| CN109193808A (en) * | 2018-11-13 | 2019-01-11 | 国网河北能源技术服务有限公司 | Peak load regulation network energy force prediction method and device |
| CN109798157A (en) * | 2019-02-02 | 2019-05-24 | 华电电力科学研究院有限公司 | A kind of solidifying pumping back coupling steam extraction integrated system and its operation method for thermoelectricity unit power peak regulation |
| CN109798157B (en) * | 2019-02-02 | 2024-03-08 | 华电电力科学研究院有限公司 | Condensing and back-pumping coupled steam extraction integrated system for thermoelectric unit power peak regulation and operation method thereof |
| CN111503718B (en) * | 2020-03-09 | 2021-06-15 | 华电电力科学研究院有限公司 | Cogeneration heating load prediction method based on multi-factor influence and heating system |
| CN111520809A (en) * | 2020-03-09 | 2020-08-11 | 华电电力科学研究院有限公司 | Heat and power cogeneration coupling heat supply load adjusting method and system based on heat supply network heat load prediction |
| CN111503718A (en) * | 2020-03-09 | 2020-08-07 | 华电电力科学研究院有限公司 | Cogeneration heating load prediction method based on multi-factor influence and heating system |
| CN115749985A (en) * | 2022-11-11 | 2023-03-07 | 东方电气集团东方汽轮机有限公司 | Seasonal parameter-varying operation method for back-extraction type steam turbine |
| CN115749985B (en) * | 2022-11-11 | 2024-07-23 | 东方电气集团东方汽轮机有限公司 | Seasonal variable parameter operation method of extraction back type steam turbine |
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