CN109505672A - Two-shipper backheat electricity generation system and its increase power output method - Google Patents

Two-shipper backheat electricity generation system and its increase power output method Download PDF

Info

Publication number
CN109505672A
CN109505672A CN201811413043.7A CN201811413043A CN109505672A CN 109505672 A CN109505672 A CN 109505672A CN 201811413043 A CN201811413043 A CN 201811413043A CN 109505672 A CN109505672 A CN 109505672A
Authority
CN
China
Prior art keywords
cylinder
steam
heater
big
mode
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.)
Pending
Application number
CN201811413043.7A
Other languages
Chinese (zh)
Inventor
张振华
周雅君
刘岩
李燕平
杜未
胥佳瑞
吴韬
杨晋
赵文波
万逵芳
王明刚
王开晶
戴立洪
张志刚
常征
王占彪
高智溥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
Original Assignee
Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd filed Critical Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
Priority to CN201811413043.7A priority Critical patent/CN109505672A/en
Publication of CN109505672A publication Critical patent/CN109505672A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00Plants characterised by the engines being structurally combined with boilers or condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Eletrric Generators (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention discloses a kind of two-shipper backheat electricity generation system and its increase power output method, including boiler, the first cylinder, the second cylinder, third cylinder, big generator, small turbine, to pump, small generators, condenser, solidifying pump, primary heater, secondary heater, third heater, into vapour tune valve, steam extraction tune valve, reheater and its between connecting pipe system;Boiler main steam enters the first cylinder by steam pipework;In first cylinder after steam acting, after steam discharge is heated by reheater, into the second cylinder;In second cylinder after steam acting, steam discharge enters third cylinder by connecting line;Steam acting drives coaxial big electrical power generators in third cylinder, and rationally, big generator output 1% can be improved in employing mode one for structure of the invention design;Big generator output 4% can be improved in employing mode two;Big 5% or more generator output can be improved in pass-through mode three, and the function that guarantees to generate electricity greatly under summer operating mode reaches nominal output, improves generating capacity.

Description

Two-shipper backheat electricity generation system and its increase power output method
Technical field
The present invention relates to thermal power generating technology field more particularly to a kind of two-shipper backheat electricity generation system and its increase power output side Method.
Background technique
As fired power generating unit high parameter, large capacity develop, the high parameter extra-supercritical unit of 35MPa grade steam inlet condition is just Becoming research object, can be further improved unit thermal efficiency of cycle, larger promote energy-saving and emission-reduction.
Due to further increasing for unit parameter, lead to the increase of the unit steam extraction degree of superheat quickly, especially boiler reheating it Exhaust point afterwards, steam superheat is higher, and when steam extraction being caused to heat regenerative feed-water, terminal temperature difference increases, and acting ability is caused to subtract It is few, cause efficiency to decline.It is lost caused by the steam extraction degree of superheat to reduce, usually setting externally arranged steam cooler.
For 35MPa grade high parameter extra-supercritical unit, steam condenser is set by heat exchange area, arrangement and high pressure The various conditions limitation such as heater type selecting, a kind of novel therrmodynamic system, that is, two-shipper heat exchange cycle system are suggested.Pass through pumping Most of high-pressure heater is designed as small turbine steam extraction heating, and is arranged and small steamer by the setting of vapour back pressure type small turbine The coaxial small generators of machine realize two-shipper power generation thermodynamic system.
The design of two-shipper backheat electricity generation system exists and is conducive to make full use of the steam extraction degree of superheat, reduces high-pressure heater type selecting The advantages that difficulty.But to guarantee entire unit efficiency, it is smaller that the throttle flow of entire unit designs usual allowance.This causes Under the unfavorable conditions such as summer operating mode, big small turbine steam consumption, there are coupled problems for size generator output.It is likely to occur big The problem of electrical power generators power output cannot completely be sent out, for this purpose, we have proposed a kind of two-shipper backheat electricity generation system and its increasing power output Method.
Summary of the invention
The present invention provides a kind of two-shipper backheat electricity generation system and its increase power output method, for aforementioned two-shipper backheat unit There are the problem of, the present invention proposes that setting top heater steam extraction adjusts valve and small turbine into the method for vapour tune valve, is needing When increasing big generating set power output, opened by adjusting reduction top heater steam extraction tune valve opening and small turbine into vapour tune valve Degree realizes that big steam turbine throttle flow increases, realizes the increased purpose of big generator output.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of two-shipper backheat electricity generation system, including it is boiler, the first cylinder, the second cylinder, third cylinder, big generator, small Steam turbine, to pump, small generators, condenser, solidifying pump, primary heater, secondary heater, third heater, into vapour tune valve, pumping Vapour tune valve, reheater and its between connecting pipe system;
The boiler and the first cylinder connection relationship are as follows: boiler main steam enters the first cylinder by steam pipework;
First cylinder and the second cylinder connection relationship are as follows: in the first cylinder after steam acting, steam discharge passes through reheating After device heating, into the second cylinder;
Second cylinder and third cylinder connection relationship are as follows: in the second cylinder after steam acting, steam discharge passes through connection Pipeline enters third cylinder;
The third cylinder and big generator, condenser connection relationship are as follows: steam acting drives coaxial big in third cylinder Electrical power generators, steam discharge enter condenser, by circulating water;
The condenser and primary heater connection relationship are as follows: after steam discharge is condensed in condenser, forms condensed water and coagulated Pump boosting, converges into primary heater by pipeline;
The primary heater and secondary heater and small turbine connection relationship are as follows: small turbine steam extraction by pipeline with Secondary heater connection, heats water supply therein, and steam discharge enters primary heater, heats condensed water therein, the second heating Water supply is connect by pipeline with third heater in device;
The third heater and the first cylinder, boiler connection relationship are as follows: the first cylinder steam extraction passes through steam extraction by pipeline It adjusts valve to connect with third heater, heats water supply therein, be heated to final water supply by pipeline and enter boiler;
The connection relationship of first cylinder and small turbine are as follows: the first cylinder steam discharge by pipeline pass through into vapour tune valve with Small turbine connection;
The small turbine with to pump, small generators connection relationship are as follows: small turbine Driven by Coaxial coaxial is driven to pump Dynamic small generators, and constitute small Turbo-generator Set;
First cylinder, the second cylinder, third cylinder and big generator connection relationship are as follows: the first cylinder, the second cylinder Big steam turbine is constituted with third cylinder, and with big generator coaxle, constitutes big Turbo-generator Set, and pass through above-mentioned company It connects, realizes the two-shipper backheat electricity generation system of size Turbo-generator Set composition.
Preferably, the increase power output method of the two-shipper backheat electricity generation system are as follows:
Under the conditions ofs summer operating mode etc., when the big generator output of unit is restricted, when the total throttle flow of unit can not continue When increase, increasing power output mode is by adjusting small turbine into vapour tune valve, heater steam extraction tune valve and adjustment small generators Power output, to realize the purpose for increasing big generator output.
Preferably, in the increase power output method of above-mentioned two-shipper backheat electricity generation system, the increase power output mode includes mode One, mode two and mode three.
Preferably, in the increase power output method of above-mentioned two-shipper backheat electricity generation system, the mode one: adjustment reduces small steamer On machine into vapour tune valve opening, due to the reduction of its throttle flow, small turbine steam consumption, primary heater and secondary heater consumption Vapour amount and all corresponding reduction of small generators power output, and then increase big generator output.
Preferably, in the increase power output method of above-mentioned two-shipper backheat electricity generation system, the mode two: by reducing steam extraction tune The aperture of valve, reduces the steam extraction amount for entering heater, this part steam extraction returns to main steam turbine acting and realizes that increasing big generator goes out.
Preferably, in the increase power output method of above-mentioned two-shipper backheat electricity generation system, the mode three: associated form one, side The method of formula two, while small turbine is adjusted into vapour tune valve and heater steam extraction tune valve opening, and then increases return host simultaneously Steam extraction acting, common realize increase big generator output, also show, mode three, which is able to achieve, maximally increases big generator output Purpose.
The beneficial effects of the present invention are:
Rationally, by the method for the invention, big generator output 1% can be improved in employing mode one for structure of the invention design; Big generator output 4% can be improved in employing mode two;Big 5% or more generator output can be improved in pass-through mode three, and guarantees The function that generates electricity greatly under summer operating mode reaches nominal output, improves generating capacity.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is the structural diagram of the present invention;
In attached drawing, parts list represented by the reference numerals are as follows:
1 is boiler, and 2 be the first cylinder, and 3 be the second cylinder, and 4 be third cylinder, and 5 be big generator, and 6 be small turbine, 7 For to pump, 8 be small generators, and 9 be condenser, and 10 be solidifying pump, and 11 be primary heater, and 12 be secondary heater, and 13 be third Heater, 14 be small turbine into vapour tune valve, and 15 be heater steam extraction tune valve, and 16 be reheater.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present embodiment is a kind of two-shipper backheat electricity generation system, including boiler 1, the first cylinder 2, second Cylinder 3, big generator 5, small turbine 6, gives pump 7, small generators 8, condenser 9, solidifying pump 10, primary heater at third cylinder 4 11, secondary heater 12, third heater 13, into vapour tune valve 14, steam extraction tune valve 15, reheater 16 and its between connecting pipe System;2 connection relationship of boiler 1 and the first cylinder are as follows: 1 main steam of boiler enters the first cylinder 2 by steam pipework;First cylinder 2 and 3 connection relationship of the second cylinder are as follows: in the first cylinder 2 after steam acting, after steam discharge is heated by reheater 16, into the Two cylinders 3;Second cylinder 3 and 4 connection relationship of third cylinder are as follows: in the second cylinder 3 after steam acting, steam discharge passes through connecting tube Road enters third cylinder 4;Third cylinder 4 and big generator 8,9 connection relationship of condenser are as follows: steam acting band in third cylinder 4 Dynamic coaxial big generator 5 generates electricity, and steam discharge enters condenser 9, by circulating water;Condenser 9 is connect with primary heater 11 Relationship are as follows: after steam discharge is condensed in condenser 9, forms condensed water by solidifying 10 boosting of pump, primary heater is converged by pipeline 11;Primary heater 11 and secondary heater 12 and 6 connection relationship of small turbine are as follows: 6 steam extraction of small turbine passes through pipeline and the The connection of two heaters 12, heats water supply therein, and steam discharge enters primary heater 11, heats condensed water therein, and second adds Water supply is connect by pipeline with third heater 13 in hot device 12;Third heater 13 and the first cylinder 2,1 connection relationship of boiler Are as follows: 2 steam extraction of the first cylinder is connect by steam extraction tune valve 15 with third heater 13 by pipeline, is heated water supply therein, is added Heat enters boiler 1 by pipeline to final water supply;The connection relationship of first cylinder 2 and small turbine 6 are as follows: 2 steam discharge of the first cylinder Passed through by pipeline into vapour tune valve 14 and is connect with small turbine 6;Small turbine with to pump 7,8 connection relationship of small generators are as follows: it is small 6 Driven by Coaxial of steam turbine gives pump 7, while Driven by Coaxial small generators 8, and constitutes small Turbo-generator Set;First cylinder 2, Second cylinder 3, third cylinder 4 and big 5 connection relationship of generator are as follows: the first cylinder 2, the second cylinder 3 and third cylinder 4 constitute Big steam turbine, and it is coaxial with big generator 5, big Turbo-generator Set is constituted, and by above-mentioned connection, realize size steamer The two-shipper backheat electricity generation system that generating set is constituted.
A kind of increase power output method of two-shipper backheat electricity generation system, the increase power output method of the two-shipper backheat electricity generation system Are as follows:
Under the conditions ofs summer operating mode etc., when the big power output of generator 5 of unit is restricted, when the total throttle flow of unit can not continue When increase, increasing power output mode is by adjusting the small into vapour tune valve 14,13 steam extraction tune valve 15 of heater and adjustment of small turbine 6 Generator 8 is contributed, and to realize the purpose for increasing big generator 5 and contributing, increasing power output mode includes mode one, mode two and mode Three;
Mode one: adjustment reduces small turbine 6 into 14 aperture of vapour tune valve, due to the reduction of its throttle flow, small turbine consumption Vapour amount, primary heater 11 and 12 steam consumption of secondary heater and all corresponding reduction of the power output of small generators 8, and then increase big power generation Machine 5 is contributed;
Mode two: the aperture by reducing steam extraction tune valve 15 reduces the steam extraction amount for entering heater 13, this part steam extraction is returned It returns main steam turbine acting and realizes that increasing big generator 5 goes out;
Mode three: the method for associated form one, mode two, while small turbine 6 is adjusted into vapour tune valve 14 and heater 13 15 aperture of steam extraction tune valve, and then increase return to host steam extraction acting simultaneously, it is common to realize that increasing big generator 5 contributes, and also shows, Mode three, which is able to achieve, maximally increases the purpose that big generator 5 is contributed.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized The limitation of sharp claim and its full scope and equivalent.

Claims (6)

1. a kind of two-shipper backheat electricity generation system, including it is boiler (1), the first cylinder (2), the second cylinder (3), third cylinder (4), big Generator (5), small turbine (6), to pump (7), small generators (8), condenser (9), solidifying pump (10), primary heater (11), Secondary heater (12), third heater (13), into vapour tune valve (14), steam extraction tune valve (15), reheater (16) and its between Connecting pipe system;
The boiler (1) and the first cylinder (2) connection relationship are as follows: boiler (1) main steam enters the first cylinder by steam pipework (2);
First cylinder (2) and the second cylinder (3) connection relationship are as follows: in the first cylinder (2) after steam acting, steam discharge passes through After reheater (16) heating, into the second cylinder (3);
Second cylinder (3) and third cylinder (4) connection relationship are as follows: in the second cylinder (3) after steam acting, steam discharge passes through Connecting line enters third cylinder (4);
The third cylinder (4) and big generator (8), condenser (9) connection relationship are as follows: steam acting band in third cylinder (4) Dynamic coaxial big generator (5) power generation, steam discharge enters condenser (9), by circulating water;
The condenser (9) and primary heater (11) connection relationship are as follows: after steam discharge is condensed in condenser (9), form condensation Water converges into primary heater (11) by pipeline by solidifying pump (10) boosting;
The primary heater (11) and secondary heater (12) and small turbine (6) connection relationship are as follows: small turbine (6) steam extraction It is connect by pipeline with secondary heater (12), heats water supply therein, steam discharge enters primary heater (11), and heating is wherein Condensed water, water supply is connect by pipeline with third heater (13) in secondary heater (12);
The third heater (13) and the first cylinder (2), boiler (1) connection relationship are as follows: the first cylinder (2) steam extraction passes through pipeline It is connect by steam extraction tune valve (15) with third heater (13), heats water supply therein, be heated to final water supply and pass through pipeline Into boiler (1);
The connection relationship of first cylinder (2) and small turbine (6) are as follows: the first cylinder (2) steam discharge is passed through by pipeline into vapour Valve (14) are adjusted to connect with small turbine (6);
The small turbine with to pump (7), small generators (8) connection relationship are as follows: small turbine (6) Driven by Coaxial to pump (7), together When Driven by Coaxial small generators (8), and constitute small Turbo-generator Set;
First cylinder (2), the second cylinder (3), third cylinder (4) and big generator (5) connection relationship are as follows: the first cylinder (2), the second cylinder (3) and third cylinder (4) constitute big steam turbine, and coaxially with big generator (5), constitute big steamer hair Motor group, and by above-mentioned connection, realize the two-shipper backheat electricity generation system of size Turbo-generator Set composition.
The method 2. a kind of increase of two-shipper backheat electricity generation system is contributed, it is characterised in that: the increase of the two-shipper backheat electricity generation system Power output method are as follows:
Under the conditions ofs summer operating mode etc., when the big generator of unit (5) power output is restricted, when the total throttle flow of unit can not continue to increase Added-time, increasing power output mode is into vapour tune valve (14), heater (13) steam extraction tune valve (15) and to adjust by adjusting small turbine 6 Whole small generators (8) power output, to realize the purpose for increasing big generator (5) power output.
The method 3. increase of two-shipper backheat electricity generation system according to claim 2 is contributed, it is characterised in that: described to increase out Power mode includes mode one, mode two and mode three.
The method 4. increase of two-shipper backheat electricity generation system according to claim 3 is contributed, it is characterised in that: the mode One: adjustment reduces small turbine (6) enterprising vapour tune valve (14) aperture, due to the reduction of its throttle flow, small turbine steam consumption, the One heater (11) and secondary heater (12) steam consumption and all corresponding reduction of small generators (8) power output, and then increase big power generation Machine 5 is contributed.
The method 5. increase of two-shipper backheat electricity generation system according to claim 3 is contributed, it is characterised in that: the mode Two: the aperture by reducing steam extraction tune valve (15) reduces the steam extraction amount for entering heater (13), this part steam extraction returns to main steamer Machine acting realizes that increasing big generator 5 goes out.
The method 6. increase of two-shipper backheat electricity generation system according to claim 3 is contributed, it is characterised in that: the mode Three: the method for associated form one, mode two, while small turbine (6) is adjusted into vapour tune valve (14) and heater (13) steam extraction tune Valve (15) aperture, and then increase return to host steam extraction acting simultaneously, common realize increases big generator (5) power output, also shows, side Formula three is able to achieve the purpose for maximally increasing big generator (5) power output.
CN201811413043.7A 2018-11-23 2018-11-23 Two-shipper backheat electricity generation system and its increase power output method Pending CN109505672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811413043.7A CN109505672A (en) 2018-11-23 2018-11-23 Two-shipper backheat electricity generation system and its increase power output method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811413043.7A CN109505672A (en) 2018-11-23 2018-11-23 Two-shipper backheat electricity generation system and its increase power output method

Publications (1)

Publication Number Publication Date
CN109505672A true CN109505672A (en) 2019-03-22

Family

ID=65750419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811413043.7A Pending CN109505672A (en) 2018-11-23 2018-11-23 Two-shipper backheat electricity generation system and its increase power output method

Country Status (1)

Country Link
CN (1) CN109505672A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566298A (en) * 2019-09-30 2019-12-13 大唐郓城发电有限公司 Method for optimizing regenerative cycle efficiency
CN110656990A (en) * 2019-09-29 2020-01-07 大唐郓城发电有限公司 Double-machine regenerative system and power adjusting method thereof
CN111946412A (en) * 2020-07-06 2020-11-17 东方电气集团东方汽轮机有限公司 Back pressure type steam turbine system with heat regeneration system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU545757A1 (en) * 1975-04-17 1977-02-05 Ивановский Энергетический Институт Им.Ленина В.И. Parosilov installation
CN204402598U (en) * 2015-01-09 2015-06-17 国电浙江北仑第一发电有限公司 Join the double reheat supercharging steam turbine thermodynamic system of backpressure small turbine
CN106247312A (en) * 2016-08-30 2016-12-21 山东电力工程咨询院有限公司 A kind of extra-supercritical unit double reheat two-shipper backheat thermodynamic system without deaerator
CN108843412A (en) * 2018-06-29 2018-11-20 东方电气集团东方汽轮机有限公司 A kind of Steam Turbine Regenerative System
CN209671021U (en) * 2018-11-23 2019-11-22 中国大唐集团科学技术研究院有限公司火力发电技术研究院 Two-shipper backheat electricity generation system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU545757A1 (en) * 1975-04-17 1977-02-05 Ивановский Энергетический Институт Им.Ленина В.И. Parosilov installation
CN204402598U (en) * 2015-01-09 2015-06-17 国电浙江北仑第一发电有限公司 Join the double reheat supercharging steam turbine thermodynamic system of backpressure small turbine
CN106247312A (en) * 2016-08-30 2016-12-21 山东电力工程咨询院有限公司 A kind of extra-supercritical unit double reheat two-shipper backheat thermodynamic system without deaerator
CN108843412A (en) * 2018-06-29 2018-11-20 东方电气集团东方汽轮机有限公司 A kind of Steam Turbine Regenerative System
CN209671021U (en) * 2018-11-23 2019-11-22 中国大唐集团科学技术研究院有限公司火力发电技术研究院 Two-shipper backheat electricity generation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110656990A (en) * 2019-09-29 2020-01-07 大唐郓城发电有限公司 Double-machine regenerative system and power adjusting method thereof
CN110566298A (en) * 2019-09-30 2019-12-13 大唐郓城发电有限公司 Method for optimizing regenerative cycle efficiency
CN111946412A (en) * 2020-07-06 2020-11-17 东方电气集团东方汽轮机有限公司 Back pressure type steam turbine system with heat regeneration system

Similar Documents

Publication Publication Date Title
CN106979041B (en) A kind of turbine low pressure cylinder high vacuum takes off the remodeling method of cylinder operation thermoelectricity decoupled system
CN107859538B (en) Combined heat and power generation system for condensing back heat supply and operation method thereof
CN109854313A (en) A kind of flexible coal generating system and operation method
CN103644004B (en) The cogeneration system of a kind of pair of turbine, combined cycle
CN108548168A (en) A kind of thermal power plant's fused salt accumulation of heat peak regulation system heated using main steam
CN206267896U (en) Combined cycle two-shipper condensing-back pressure formula is drawn gas cogeneration system
CN108035777A (en) A kind of fired power generating unit mesolow cylinder combines zero output heating system and method
CN105697075A (en) Extraction condensing heat supply system additionally provided with non-reheat medium-pressure steam turbine
CN106194297A (en) The double branch road heating system of a kind of cogeneration turbine
CN207813675U (en) A kind of co-generation unit for carrying on the back heat supply for solidifying pumping
CN106499455A (en) Combined-cycle power plant's soda pop backheat and fuel heating integrated put forward effect system
CN105736068A (en) High-back pressure combined heat and power generation system coupled with exhaust steam and supply heat of non-reheat steam turbine
CN109505672A (en) Two-shipper backheat electricity generation system and its increase power output method
CN207813667U (en) Low pressure cylinder cooling system based on different steam ports
CN106988795A (en) A kind of turbine system
CN112856363B (en) System and method for improving heat supply steam parameters of deep peak shaving heat supply unit
CN112611010B (en) Adjusting method of flexible adjusting system for power generation load of multi-heat-source cogeneration unit
CN104976671A (en) Wide-load heat supply energy-saving system of back pressure type small turbine drive water supply pump
CN102997309A (en) Classification heating system with high-temperature heat source heater bypass pipe
CN104179646A (en) Photo-thermal energy and terrestrial heat combined complementary renewable energy power station system
CN209671021U (en) Two-shipper backheat electricity generation system
CN203594565U (en) Steam-driven driving system for solar thermal power generation large power pump
CN206190339U (en) Two branch road heating system of cogeneration steam turbine
CN109113818A (en) A kind of enhancing power plant flexibility therrmodynamic system
CN209279143U (en) A kind of system promoting unit steam supply ability using reheater increase-volume

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190322

RJ01 Rejection of invention patent application after publication