CN102996191B - Double-extraction adjustable heating system of thermal power generating unit - Google Patents
Double-extraction adjustable heating system of thermal power generating unit Download PDFInfo
- Publication number
- CN102996191B CN102996191B CN201210577049.4A CN201210577049A CN102996191B CN 102996191 B CN102996191 B CN 102996191B CN 201210577049 A CN201210577049 A CN 201210577049A CN 102996191 B CN102996191 B CN 102996191B
- Authority
- CN
- China
- Prior art keywords
- pressure
- steam
- pressure cylinder
- matcher
- pitch
- 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
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention relates to the field of thermal power generating unit heating modification and discloses a double-extraction adjustable heating system of the thermal power generating unit. By modifying a turbine heating pipeline, a first by-pass pipeline and a second by-pass pipeline connected with a high-pressure cylinder and a medium-pressure cylinder in parallel are arranged on a steam supplying pipeline of the high-pressure cylinder and the medium-pressure cylinder respectively. Each by-pass pipeline is connected with an adjusting gate, a spray type desuperheater and a pressure matcher, and the pressure matcher of the first by-pass pipeline injects exhaust steam of the high-pressure cylinder to achieve high-pressure steam supplying. The second by-pass pipeline injects low-pressure extraction steam of the medium-pressure cylinder to achieve medium-pressure steam supplying. Simultaneously, the opening degree of a middle adjusting gate is adjustable, and the opening degree of the middle adjusting gate is adjusted according to exhaust steam pressure change of the high-pressure cylinder and reheating steam pressure change caused by load change. Therefore, a steam supplying pressure requirement towards the outside is met, qualified steam supplying pressure is guaranteed, a purpose of double-extraction, adjustability and heating of steam of the unit for high-pressure industries and medium-pressure industries is achieved, modification cost of a unit body is saved, and an effect of reducing energy and emission is achieved.
Description
Technical field
The present invention relates to and utilize fired power generating unit heating field, be specifically related to the adjustable heating system of a kind of fired power generating unit black soy sauce.
Background technique
Cogeneration technology is the Energy-saving Projects of state key promotion always.Along with the developing in heating power market, the heating demand that unit is born increases further, just must carry out transformation and upgrade to original unit, to meet growing heat demand.
Due to the variable parameter operation characteristic of unit, and the metastable feature of extraction steam for factories pressure requirements, the extraction steam for factories point compared with high parameter need be adopted, to meet the requirement of extraction steam for factories parameter under different load.In addition, by the impact of steam turbine structure, the parameter of drawing gas of unit is comparatively large with load variations, so will transform turbine body, the parameter stability of guarantee industrial heating, improves the heat capacity of unit further.
Be thermoelectricity pure condensate set structure connection diagram as shown in Figure 1, comprise the high-pressure cylinder G connected successively by pipeline
1, reheater H and intermediate pressure cylinder G
2, high-pressure cylinder G
1steam inlet be connected with main steam supply arrangement V pipeline, connect reheater H and intermediate pressure cylinder G
2pipeline be provided with middle pitch T.Middle pitch T can only open completely according to the need of work of pure condensate unit or close, and the aperture of middle pitch T can not regulate according to demand.If be industrial heating unit by pure condensate Transformation of Unit, or heating Transformation of Unit is the unit of adjustable extraction steam for factories and heating double goal, for ensureing the demand of extraction steam for factories parameter, conventional remodeling method selects the exhaust point higher with industrial load demand parameter as the vapour source of industrial heating.Wherein, general main steam of selecting, as high pressure steam supply vapour source, selects four sections of intermediate pressure cylinder to draw gas as middle pressure steam supply vapour source.The respective change because of the lifting of each section of stochastic parameter group load that draws gas of steam turbine, constant pressure, temperature requirements is stablized in order to ensure steam supply, the steam turbine body of high-pressure cylinder and intermediate pressure cylinder and rotor all need to redesign transformation, and rotating barrier is installed additional before corresponding exhaust point, ensure the demand of steam supply parameter constant during to meet unit varying duty.
Above-mentioned routine adaptations method, on the one hand, because heating parameter is selected higher, overall unit is less economical; On the other hand, need to transform turbine body, invest relatively high, and also can there is the impact of gene basis framework and irrealizable technical risk in body transformation.Therefore, need to seek new remodeling method, provide a kind of parameter that can meet industrial user's needs high, supply stable heating system, and to combine with the variable parameter operation feature of unit, realize the adjustable heat supply of industrial steam supply.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is how under not transforming body, all can provide the high pressure steam supply meeting user under realizing different load, and realizes further providing the middle pressure steam supply meeting user.
(2) technological scheme
In order to solve the problem, the invention provides the adjustable heating system of a kind of fired power generating unit black soy sauce, comprise the high-pressure cylinder, reheater and the intermediate pressure cylinder that are connected successively by pipeline, the steam inlet of described high-pressure cylinder is connected with main steam supply arrangement pipeline, and the pipeline connecting described reheater and intermediate pressure cylinder is provided with middle pitch; Described middle pitch aperture is adjustable; Described heating system also comprises the first bypass duct be arranged in parallel with described high-pressure cylinder, described first bypass duct is provided with successively the first direct-contact desuperheater and the first pressure matcher; The high-pressure admission mouth of described first pressure matcher is connected with described first direct-contact desuperheater, and its low pressure admission mouth is connected with the steam-expelling port of described high-pressure cylinder, and the steam-expelling port of described first pressure matcher is connected with high pressure steam supply user.
Wherein, described first bypass duct is also provided with the first pitch, described first pitch is connected with described first direct-contact desuperheater.
Wherein, also comprise the second bypass duct be arranged in parallel with described middle pitch and intermediate pressure cylinder, described second bypass duct is provided with successively the second pitch, the second direct-contact desuperheater and the second pressure matcher, the high-pressure admission mouth of described second pressure matcher is connected with the second direct-contact desuperheater, the low pressure admission mouth of described second pressure matcher is connected with described intermediate pressure cylinder low-pressure pumping steam mouth, and the steam-expelling port of described second pressure matcher is connected with middle pressure steam supply user.
(3) beneficial effect
The adjustable heating system of a kind of fired power generating unit black soy sauce provided by the invention, comprise the high-pressure cylinder, reheater and the intermediate pressure cylinder that are connected successively by pipeline, the steam inlet of high-pressure cylinder is connected with main steam supply arrangement pipeline, and the pipeline connecting reheater and intermediate pressure cylinder is provided with middle pitch, and middle pitch aperture is adjustable; Also comprise the first bypass duct be arranged in parallel with high-pressure cylinder, first bypass duct is provided with successively the first direct-contact desuperheater and the first pressure matcher, the high-pressure admission mouth of the first pressure matcher is connected with the first direct-contact desuperheater, the low pressure admission mouth of the first pressure matcher connects the steam-expelling port of high-pressure cylinder, and the steam-expelling port of the first pressure matcher connects high pressure steam supply user.The main steam injection high-pressure cylinder steam discharge of pressure matcher high-pressure admission mouth, main steam and the mixing of high-pressure cylinder steam discharge, as the high pressure steam supply of industrial user's demand, form high pressure steam-supplying system.Native system is utilized to realize the adjustable heat supply of high pressure steam supply, can change according to unit load, in adjustment, the aperture of pitch is to regulate the pressure before high-pressure cylinder steam-expelling port and middle pitch, for high pressure steam supply user provides the high pressure steam supply of steadiness parameter, achieve the high pressure steam supply that all can provide under different load and meet user.
Further, be provided with the first pitch at the first bypass duct, the delivery volume of main steam can be adjusted as required.
Further, second bypass duct in parallel with middle pitch and intermediate pressure cylinder is set up in intermediate pressure cylinder SS road, second bypass duct is provided with successively the second pitch, the second direct-contact desuperheater and the second pressure matcher, the high-pressure admission mouth of the second pressure matcher is connected with the second direct-contact desuperheater, the low pressure admission mouth of the second pressure matcher is connected with the low pressure steam-expelling port of intermediate pressure cylinder, presses steam supply user in the steam-expelling port connection of the second pressure matcher.Second pressure matcher, by intermediate pressure cylinder steam ejection intermediate pressure cylinder low pressure steam discharge, is pressed steam supply in conduct after mixing, is pressed steam-supplying system, press the adjustable heat supply of steam supply in realization in formation.By high pressure, middle pressure steam supply black soy sauce heating system that middle pitch is adjustable, middle pitch aperture is adjustable, by the aperture of pitch in regulating to regulate the reheated steam pressure before high-pressure cylinder exhaust steam pressure and middle pitch, combine high, the middle pitch of pressure heating system and the adjustment of direct-contact desuperheater simultaneously, realize the stable of the industrial steam supply parameter of high, middle pressure, finally realize the adjustable heat supply of black soy sauce of the industrial steam supply of high, middle pressure.This heating system need not carry out large transformation to unit body, cost of reducing investment outlay; And utilizing this heating system, generating efficiency improves, and coal consumption reduces, and has significant effects of energy saving and emission reduction.
Accompanying drawing explanation
Fig. 1 is a kind of thermoelectricity pure condensate set structure connection diagram in prior art;
Fig. 2 is the adjustable heating system connection diagram of a kind of fired power generating unit black soy sauce of the present invention;
In figure, V: main steam supply arrangement; H: reheater; T: middle pitch; T
1: the first pitch; T
2: the second pitch; P
1: the first direct-contact desuperheater; P
2: the second direct-contact desuperheater; Y
1: the first pressure matcher; Y
2: the second pressure matcher; G
1: high-pressure cylinder; G
2: intermediate pressure cylinder; U
1: high pressure steam supply user; U
2: middle pressure steam supply user.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 2, the adjustable heating system of a kind of fired power generating unit black soy sauce of the present invention, at generator set high pressure cylinder G
1, reheater H, middle pitch T and intermediate pressure cylinder G
2connect with pipeline successively, high-pressure cylinder G
1steam inlet be connected with main steam supply arrangement V pipeline, main steam enters high-pressure cylinder G by pipeline
1.High-pressure cylinder G
1steam-expelling port is connected to reheater H, high-pressure cylinder G
1steam discharge forms reheated steam after being heated by reheater H, and reheated steam flows into intermediate pressure cylinder G through being contained in the middle pitch T on pipeline
2, be intermediate pressure cylinder G
2steam supply.At high-pressure cylinder G
1the main steam lead road that is connected with main steam supply arrangement V of steam inlet on be provided with and high-pressure cylinder G
1first bypass duct in parallel, the first bypass duct connects the first direct-contact desuperheater P successively
1, the first pressure matcher Y
1, the first pressure matcher Y
1high-pressure admission mouth and the first direct-contact desuperheater P
1connect, the first pressure matcher Y
1low pressure admission mouth connect high-pressure cylinder G
1steam-expelling port.First pressure matcher Y
1outlet and high pressure steam supply user U
1connect, for user provides required high pressure steam supply; First pressure matcher Y
1according to the main steam throttle flow of high-pressure admission mouth, injection high-pressure cylinder G
1steam-expelling port steam discharge, for industrial user provides high pressure steam supply after mixing.The aperture of middle pitch T can regulate, and in can being realized by control system, the aperture of pitch T is adjustable; When unit load change changes, the aperture of middle pitch T regulates as required, high-pressure cylinder G
1there is corresponding change in the reheated steam pressure before the pressure of steam-expelling port and middle pitch T, the first pressure matcher Y
1the high-pressure cylinder G of injection
1displacement is corresponding to change; Meanwhile, the first direct-contact desuperheater P
1regulate accordingly, the high pressure steam supply that realizing heating system under different load provides meets customer demand.
Further, in order to adjust admission flow and the pressure of main steam in the first bypass duct, the first bypass duct is also provided with the first pitch T
1, the first pitch T
1be arranged at main steam line with the first direct-contact desuperheater P
1between, the first pitch T
1with the first direct-contact desuperheater P
1connect.During work, the first pitch T
1regulate admission flow and the pressure of main steam, and by the first direct-contact desuperheater P
1after regulating the throttle (steam) temperature of main steam, enter the first pressure matcher Y
1.
In specific works: 1) when generator set load decline, user's heat demand constant or increase time, in cooperation pitch T aperture reduce, make high-pressure cylinder G
1exhaust steam pressure improves, the first pitch T
1aperture increases, the first direct-contact desuperheater P
1injection flow rate respective change, improve the admission flow of main steam, the high-pressure cylinder displacement of corresponding minimizing injection, to ensure that high pressure steam supply stablizes constant parameter and traffic demand.
2) when unit load is constant, user's heat and parameter requirements be when increasing, and opens large first pitch T
1aperture, increases main steam admission flow and pressure, the first direct-contact desuperheater P
1injection flow rate respective change, the high-pressure cylinder G of injection
1the corresponding minimizing of displacement, to ensure the parameter requirements of high pressure steam supply needed for user.
High-pressure cylinder G
1steam discharge flow to reheater H, through adding thermosetting reheated steam, reheated steam through in pitch T supply intermediate pressure cylinder G
2.
Further, the pipeline between reheater H and middle pitch T is arranged and middle pitch T and intermediate pressure cylinder G
2second bypass duct in parallel, the second bypass duct connects the second pitch T successively
2, the second direct-contact desuperheater P
2with the second pressure matcher Y
2; The high-pressure admission mouth of the second pressure matcher and the second direct-contact desuperheater P
2connect, the second pressure matcher Y
2low pressure admission mouth connect intermediate pressure cylinder G
2low-pressure pumping steam mouth, injection intermediate pressure cylinder G
2low pressure steam discharge, the second pressure matcher Y
2outlet connect in press steam supply user U
2, for user provides middle pressure steam supply.Intermediate pressure cylinder G
2low-pressure pumping steam mouth preferably at low pressure (LP) cylinder G
2four sections of steam chests offer steam ports, the second pressure matcher Y
2according to the throttle flow injection intermediate pressure cylinder G of high-pressure admission mouth
2four sections draw gas.During work, middle pitch T and the second pitch T
2the admission flow of common adjustment reheated steam and pressure, and by the second direct-contact desuperheater P
2regulate the throttle (steam) temperature of reheated steam, reheated steam is by the second pressure matcher Y
2high-pressure admission mouth enter the second pressure matcher Y
2, injection intermediate pressure cylinder G
2low-pressure pumping steam mouth draws gas, and is mixed into the required middle pressure steam supply of middle pressure industrial user, presses the adjustable heat supply of steam supply in realization.
In specific works: 1) when unit generation load decline, press in user factory steam requirement to improve or constant time, middle pitch T aperture reduces, to increase high-pressure cylinder G
1steam discharge and intermediate pressure cylinder G
2initial steam pressure.Now open large first pitch T
1aperture, increase the flow of main steam admission, the first direct-contact desuperheater P
1injection flow rate respective change, and the high-pressure cylinder G of corresponding minimizing injection
1the vapour amount of steam discharge, to ensure that high pressure steam supply stablizes constant parameter and traffic demand; Open large second pitch T simultaneously
2aperture, increase the flow of reheated steam admission, the second direct-contact desuperheater P
2injection flow rate respective change, and the intermediate pressure cylinder G of corresponding minimizing injection
2four sections of vapour amounts of drawing gas, press steam supply to stablize constant parameter and traffic demand in ensureing.
2) when unit load is constant, when pressing factory steam heat and parameter requirements to increase in user, middle pitch T aperture is constant, the first pitch T
1aperture increase, increase the flow of main steam and pressure, the first direct-contact desuperheater P
1injection flow rate respective change, make the high-pressure cylinder G of injection
1the corresponding minimizing of vapour amount of steam discharge, to guarantee the parameter requirements of user's high pressure steam supply; Meanwhile, the second pitch T
2aperture increase, increase the flow of reheated steam and pressure, the second direct-contact desuperheater P
2injection flow rate respective change, make the intermediate pressure cylinder G of injection
2four sections of corresponding minimizings of vapour amount of drawing gas, to guarantee the parameter requirements of pressing steam supply in user.
In above-mentioned steam supply adjustment process, by have adjusted the aperture of middle pitch T, the pressure before middle pitch T changes, high-pressure cylinder G
1the pressure at steam-expelling port place also there occurs change, regulates as required to the steam supplying amount on the first bypass duct, to ensure the stable of high pressure steam supply parameter.In like manner, when adjusting the parameter of high pressure steam supply, corresponding regulate in steam supply on pitch T and the second bypass duct, press the heat supply of steam supply parameter stability in realization.
Utilize this heating system by transformation, the adjustable participation adjustment of aperture of middle pitch T, by main steam and high-pressure cylinder G
1steam discharge coupling provides high pressure steam supply; By reheating section steam and intermediate pressure cylinder G
2four sections of steam discharge couplings provide middle pressure steam supply, realize the adjustable heat supply of unit black soy sauce.After realizing industrial high pressure steam supply and the adjustable heat supply of middle pressure steam supply black soy sauce, winter or summer energy-saving effect is remarkable, good economy performance.The generating heat consumption rate in summer is about 6900kj/kWh, is equivalent to gross coal consumption rate and is about 258.5g/kWh, and compared with before transformation, coal consumption have dropped about 51.5g/kWh; The generating heat consumption rate in winter is about 4910kj/kWh, is equivalent to gross coal consumption rate and is about 184g/kWh, have dropped about 81g/kWh than before transformation.
Shown by above-described embodiment, the adjustable heating system of a kind of fired power generating unit black soy sauce of the present invention, comprise the high-pressure cylinder, reheater and the intermediate pressure cylinder that are connected successively by pipeline, the steam inlet of high-pressure cylinder is connected with main steam supply arrangement pipeline, and the pipeline connecting reheater and intermediate pressure cylinder is provided with middle pitch; Also comprise the first bypass duct be arranged in parallel with high-pressure cylinder, first bypass duct is provided with successively the first direct-contact desuperheater and the first pressure matcher, the low pressure admission mouth of the first pressure matcher connects the steam-expelling port of high-pressure cylinder, and the steam-expelling port of the first pressure matcher connects high pressure steam supply user.The main steam injection high-pressure cylinder steam discharge of the first pressure matcher high-pressure admission mouth, is provided with the first pitch at the first bypass duct, can adjusts the delivery volume of main steam as required.Main steam and high-pressure cylinder steam discharge mix the high pressure steam supply as industrial user's demand.Second bypass duct in parallel with middle pitch and intermediate pressure cylinder is set up in intermediate pressure cylinder SS road, second bypass duct connects the second pitch, the second direct-contact desuperheater and the second pressure matcher, second adapter, by reheated steam injection intermediate pressure cylinder low pressure steam discharge, presses steam supply as in industrial user's demand after mixing.The aperture of pitch during middle pitch aperture can regulate according to unit load change or customer parameter change, in order to regulate the pressure before high-pressure cylinder steam discharge and middle pitch, coordinate the adjustment of the pitch of high, middle pressure heating system, direct-contact desuperheater and pressure matcher again, be respectively high pressure, middle pressure steam supply user provides stable steam supply parameter, achieve and all can provide the height meeting user, middle pressure industry black soy sauce adjustable steam supply under different load.Utilize the remodeling method of native system, need not carry out large transformation, cost of reducing investment outlay to unit body, and generating efficiency improves, coal consumption reduces, and has significant effects of energy saving and emission reduction.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the adjustable heating system of fired power generating unit black soy sauce, comprise the high-pressure cylinder, reheater and the intermediate pressure cylinder that are connected successively by pipeline, the steam inlet of described high-pressure cylinder is connected with main steam supply arrangement pipeline, and the pipeline connecting described reheater and intermediate pressure cylinder is provided with middle pitch; It is characterized in that, described middle pitch aperture is adjustable; Described heating system also comprises the first bypass duct be arranged in parallel with described high-pressure cylinder, described first bypass duct is provided with successively the first direct-contact desuperheater and the first pressure matcher; The high-pressure admission mouth of described first pressure matcher is connected with described first direct-contact desuperheater, and its low pressure admission mouth is connected with the steam-expelling port of described high-pressure cylinder, and the steam-expelling port of described first pressure matcher is connected with high pressure steam supply user; Described heating system also comprises the second bypass duct be arranged in parallel with described middle pitch and intermediate pressure cylinder, described second bypass duct is provided with successively the second pitch, the second direct-contact desuperheater and the second pressure matcher, the high-pressure admission mouth of described second pressure matcher is connected with described second direct-contact desuperheater, the low pressure admission mouth of described second pressure matcher is connected with described intermediate pressure cylinder low-pressure pumping steam mouth, and the steam-expelling port of described second pressure matcher is connected with middle pressure steam supply user.
2. the adjustable heating system of fired power generating unit black soy sauce as claimed in claim 1, it is characterized in that, described first bypass duct is also provided with the first pitch, and described first pitch is connected with described first direct-contact desuperheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577049.4A CN102996191B (en) | 2012-12-26 | 2012-12-26 | Double-extraction adjustable heating system of thermal power generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577049.4A CN102996191B (en) | 2012-12-26 | 2012-12-26 | Double-extraction adjustable heating system of thermal power generating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996191A CN102996191A (en) | 2013-03-27 |
| CN102996191B true CN102996191B (en) | 2015-05-27 |
Family
ID=47925230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577049.4A Active CN102996191B (en) | 2012-12-26 | 2012-12-26 | Double-extraction adjustable heating system of thermal power generating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102996191B (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195523A (en) * | 2013-04-09 | 2013-07-10 | 云南丰普科技有限公司 | Condensing steam turbine with adjustable steam discharging pressure |
| CN103452611B (en) * | 2013-09-05 | 2015-04-22 | 上海电气电站设备有限公司 | Combined-cycle combined heat and power system |
| CN103696819B (en) * | 2013-12-07 | 2015-10-28 | 广西柳州发电有限责任公司 | Steam turbine high low pressure two-stage extraction steam for factories heating arrangement |
| CN107060902A (en) * | 2016-12-09 | 2017-08-18 | 华电电力科学研究院 | Novel steam is depressured temperature reducing system |
| CN106948879A (en) * | 2017-03-16 | 2017-07-14 | 林文华 | A kind of joined by middle pitch adjusts the industrial steam-supplying system of the mesohigh cooperated with vapour compression machine |
| CN107060922B (en) * | 2017-04-28 | 2023-07-25 | 申能股份有限公司 | Auxiliary steam system of thermal power plant and steam supply method thereof |
| CN109113799A (en) * | 2017-06-26 | 2019-01-01 | 中国电力工程顾问集团华北电力设计院有限公司 | A kind of novel thermoelectricity decoupling therrmodynamic system |
| CN107559056B (en) * | 2017-08-30 | 2023-09-08 | 联合瑞升（北京）科技有限公司 | Steam turbine increasing system with AGC function and adjusting method |
| CN108104890A (en) * | 2017-12-15 | 2018-06-01 | 联合瑞升（北京）科技有限公司 | A kind of steam supply heating system of depth thermoelectricity decoupling |
| CN108035777B (en) * | 2018-01-08 | 2023-04-21 | 西安西热节能技术有限公司 | Low-pressure cylinder combined zero-output heat supply system and method in thermal power generating unit |
| CN108468575B (en) * | 2018-04-20 | 2024-03-08 | 中国联合工程有限公司 | System for changing extraction condensing unit into back pressure unit based on injection heat pump and operation method thereof |
| CN108678821A (en) * | 2018-05-11 | 2018-10-19 | 华电能源股份有限公司富拉尔基发电厂 | A kind of steam turbine start and stop peak regulation heating system for realizing the decoupling of fired power generating unit thermoelectricity |
| CN108868923B (en) * | 2018-07-05 | 2024-01-30 | 大连亨利测控仪表工程有限公司 | Three-way jet flow temperature and pressure reducing control system for heat supply of heat supply network |
| CN108868921A (en) * | 2018-07-12 | 2018-11-23 | 广西电网有限责任公司电力科学研究院 | A kind of large size pure condensed steam formula Turbo-generator Set heating system and heat supply method |
| CN108592136B (en) * | 2018-07-13 | 2023-10-31 | 大连亨利测控仪表工程有限公司 | Double-cylinder decoupling depth peak shaving system for thermal power plant flexible transformation |
| 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 |
| CN109578094A (en) * | 2018-10-07 | 2019-04-05 | 联合瑞升（北京）科技有限公司 | A kind of increasing steam turbine system for the decoupling of heat supply steam supply depth thermoelectricity |
| CN110219710A (en) * | 2019-03-15 | 2019-09-10 | 华电电力科学研究院有限公司 | A kind of differential pressure power generating system and operation method |
| CN111396155B (en) * | 2020-03-24 | 2024-04-19 | 清华大学 | Injection self-balancing type high-pressure steam supply full-load thermal decoupling method with medium-pressure valve being regulated |
| CN112050190A (en) * | 2020-09-09 | 2020-12-08 | 太原理工大学 | Thermoelectric peak regulation method for coal-fired unit |
| CN113006890A (en) * | 2021-03-29 | 2021-06-22 | 华能南京金陵发电有限公司 | Adjusting method for increasing feed water temperature under deep peak regulation working condition of 1000MW unit |
| CN113359886B (en) * | 2021-05-26 | 2022-11-11 | 华能国际电力股份有限公司上海石洞口第一电厂 | Low-load time interval heating steam pressure adjusting method, equipment, controller and medium |
| CN113339083B (en) * | 2021-05-26 | 2023-01-31 | 上海华电电力发展有限公司望亭发电分公司 | High-pressure cylinder exhaust pressure regulation control method and system for reheater steam extraction heat supply |
| CN113266435B (en) * | 2021-07-02 | 2023-06-06 | 华北电力科学研究院有限责任公司 | Method and device for adjusting high discharge pressure by medium-pressure regulating door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1193275A1 (en) * | 1984-05-18 | 1985-11-23 | Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина | Method of operating a heat-supply steam turbine plant |
| CN2780998Y (en) * | 2005-03-11 | 2006-05-17 | 王汝武 | Extraction steam turbine |
| CN102392693A (en) * | 2011-11-28 | 2012-03-28 | 北京北重汽轮电机有限责任公司 | Heating cogeneration turbogenerator system |
| CN102828791A (en) * | 2012-09-06 | 2012-12-19 | 中国电力工程顾问集团华东电力设计院 | Thermal power plant and united thermodynamic system for thermal power plant |
| CN202991156U (en) * | 2012-12-26 | 2013-06-12 | 北京国电蓝天节能科技开发有限公司 | Dual-extraction adjustable heat supply system for thermal power generating unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205169A (en) * | 2006-01-31 | 2007-08-16 | Hitachi Ltd | Energy supply system and energy supply method |
-
2012
- 2012-12-26 CN CN201210577049.4A patent/CN102996191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1193275A1 (en) * | 1984-05-18 | 1985-11-23 | Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина | Method of operating a heat-supply steam turbine plant |
| CN2780998Y (en) * | 2005-03-11 | 2006-05-17 | 王汝武 | Extraction steam turbine |
| CN102392693A (en) * | 2011-11-28 | 2012-03-28 | 北京北重汽轮电机有限责任公司 | Heating cogeneration turbogenerator system |
| CN102828791A (en) * | 2012-09-06 | 2012-12-19 | 中国电力工程顾问集团华东电力设计院 | Thermal power plant and united thermodynamic system for thermal power plant |
| CN202991156U (en) * | 2012-12-26 | 2013-06-12 | 北京国电蓝天节能科技开发有限公司 | Dual-extraction adjustable heat supply system for thermal power generating unit |
Non-Patent Citations (1)
| Title |
|---|
| 王汝武.汽轮机压力匹配器用于热电联产.《纸和造纸》.2004,第83-85页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102996191A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102996191B (en) | Double-extraction adjustable heating system of thermal power generating unit | |
| CN202991156U (en) | Dual-extraction adjustable heat supply system for thermal power generating unit | |
| CN103644004B (en) | The cogeneration system of a kind of pair of turbine, combined cycle | |
| CN207864015U (en) | A kind of wide load industry steam supply coupled system of realization Large Steam Turbine Sets | |
| CN105863759B (en) | Dead steam cooling and recycling system for steam-driven water feed pump in high-back-pressure modification system of wet-cold thermal power unit | |
| CN113375208B (en) | Heat supply method, system and device of coal-fired unit coupling absorption heat pump | |
| CN103397917B (en) | The back pressure type small turbine drive feed-water pump of frequency conversion generator speed governing and method | |
| CN103452600B (en) | Steam turbine generating system with indirect regulation on regenerative side and primary frequency regulating method | |
| CN110344899A (en) | The system and method for high pressure industry steam supply ability is mentioned under a kind of power plant underload | |
| CN102505971A (en) | Heating system modifying method for realizing combination of heat and power by straight condensing unit | |
| CN102518483A (en) | Modularized steam waste pressure and waste heat power generation and balanced steam and heat supply system | |
| CN106761982A (en) | A kind of new part backheating gas turbine combined cycle system | |
| CN106437875B (en) | Fired power generating unit working medium bypassing circulation peak regulation system | |
| CN109944698A (en) | A kind of method and system improving gas turbine electricity, heat and cold union supply flexibility | |
| CN108223028A (en) | A kind of filling formula back pressure turbine heating system | |
| CN106948889B (en) | A kind of combined fixed injector group industry steam supply adjusting method and system configuration by temperature-decreased pressure reducer synergic adjustment | |
| CN210509309U (en) | Steam complementary energy utilization coupling steam extraction heat supply system for thermoelectric unit electric power peak regulation | |
| CN207934943U (en) | A kind of filling formula back pressure turbine heating system | |
| CN109653820A (en) | A kind of high pressure industrial steam supply system and control method | |
| CN113375211A (en) | Coal-fired unit heating system and operation method | |
| CN103644032A (en) | System for heating natural gas through gradient utilization of water supplied at medium pressure from waste heat boiler of gas turbine power plant | |
| CN210289857U (en) | Thermal power plant industrial heat supply energy-saving system participating in deep peak shaving | |
| CN100467866C (en) | Piston type thermodynamic is pressed steam turbine | |
| CN203394697U (en) | Feed pump system driven by back pressure-type small steam turbine for speed regulation of variable frequency generator | |
| CN210317420U (en) | System for improving medium-pressure industrial steam supply capacity under low load of power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Zelin Inventor after: Li Wenjiang Inventor after: Zhang Pan Inventor after: Yin Peiguang Inventor after: Hao Yazhen Inventor before: Xu Zelin Inventor before: Li Wenjiang Inventor before: Zhang Pan |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201204 Address after: 16F, building 1, No. 16 yard, West Fourth Ring Road middle, Haidian District, Beijing 100089 Patentee after: GUODIAN LONGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd. Address before: 100081 Beijing city Haidian District Fuhai international port Daliushu Road Room 1802 Patentee before: BEIJING GUODIAN BLUE SKY ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 102200 room 5413, building 305, Guodian New Energy Technology Research Institute, future science city, Beiqijia Town, Changping District, Beijing Patentee after: Guoneng Longyuan Lantian Energy Saving Technology Co.,Ltd. Address before: 16F, building 1, No. 16 yard, West Fourth Ring Road middle, Haidian District, Beijing 100089 Patentee before: GUODIAN LONGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |