CN201650379U - Cogeneration system - Google Patents

Cogeneration system Download PDF

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Publication number
CN201650379U
CN201650379U CN2009202882612U CN200920288261U CN201650379U CN 201650379 U CN201650379 U CN 201650379U CN 2009202882612 U CN2009202882612 U CN 2009202882612U CN 200920288261 U CN200920288261 U CN 200920288261U CN 201650379 U CN201650379 U CN 201650379U
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CN
China
Prior art keywords
back pressure
heating system
temperature
heat
steam
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.)
Expired - Lifetime
Application number
CN2009202882612U
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Chinese (zh)
Inventor
刘宝军
房德明
付汉成
张兴政
马仁库
梅雪松
葛春光
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.)
Beijing Full Three Dimension Energy Technology Co., Ltd.
Original Assignee
Liaoning Electric Power Control Technology Co Ltd
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Publication date
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Priority to CN2009202882612U priority Critical patent/CN201650379U/en
Application granted granted Critical
Publication of CN201650379U publication Critical patent/CN201650379U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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]
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model provides a cogeneration system solving the problem that part energy is consumed by a temperature and pressure reducer after extracted steam passes through a temperature and pressure reducer and is conveyed into a heat exchanger in the cogeneration heating system. The cogeneration system is characterized in that a back pressure type steam turbine replaces the temperature and pressure reducer in the heating system, a generator of the heating system is driven by the back pressure type steam turbine, and the extracted steam of the back pressure type steam turbine is led to the heat exchanger. The utility model has the advantages that the extracted steam not only can supply heat to a heating network, but also can output electric energy so that the heat of the extracted steam of a condensing unit is fully utilized, and the utilization efficiency of energy is further improved.

Description

A kind of co-generation unit
Technical field
The utility model relates to a kind of co-generation unit, particularly the heating system in the co-generation unit.
Background technique
The steam driven Turbo-generator Set generating that thermal power plant boiler produces is drawn gas it simultaneously or the heat of steam discharge is used, and to the heat supply network quantity of heat given up, this mode of production is called cogeneration of heat and power.Fig. 1 is the co-generation unit schematic representation of 300MW-350MW condensing unit, and it comprises two systems, and one is power generation system, comprises high-pressure cylinder 20, intermediate pressure cylinder 21, low pressure (LP) cylinder 22 and generator 23; Another is a heating system, in, low pressure (LP) cylinder connecting tube 1 place draw gas, through modulating valve 2, safety valve 3, safety check 4 and rapid cut-off valve 5, because the inherent characteristic of unit, exhaust point pressure is higher, need after drawing gas behind temperature-decreased pressure reducer 10, to the heat supply network heat supply, to realize cogeneration of heat and power by heat exchanger 9.The portion of energy of this heating system is consumed by temperature-decreased pressure reducer.
Summary of the invention
For the portion of energy of avoiding heating system is consumed by temperature-decreased pressure reducer, the purpose of this utility model is to provide a kind of co-generation unit that can make full use of this part energy.
The purpose of this utility model is achieved in that it comprises power generation system and heating system, it is characterized in that: in said heating system, use back pressure turbine to replace temperature-decreased pressure reducer, the generator of back pressure steam turbine drive heating system (generator in the non-power generation system), the steam discharge of back pressure turbine leads to heat exchanger.Working procedure is, draw gas in condensing unit mesolow cylinder connecting tube place, by the safety valve in the system, safety check, rapid cut-off valve to back pressure turbine, the back pressure steam turbine drive generator for electricity generation, the steam discharge of back pressure turbine leads to heat exchanger simultaneously, to the heat supply network heat supply.
Compared with prior art, the beneficial effects of the utility model are: utilize the pressure difference of drawing gas with heating steam to drive the back pressure type steam turbine generator set, the energy that the condensing unit is drawn gas is fully utilized, and has further improved utilization efficiency of energy.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is existing co-generation unit schematic representation.
Fig. 2 is a schematic representation of the present utility model.
Embodiment
Referring to Fig. 2, power generation system of the present utility model comprises high-pressure cylinder 20, intermediate pressure cylinder 21, low pressure (LP) cylinder 22 and generator 23; Heating system in, low pressure (LP) cylinder connecting tube 1 place draw gas, through modulating valve 2, safety valve 3, safety check 4 and rapid cut-off valve 5, between rapid cut-off valve and heat exchanger 9, back pressure turbine 7 is set, replace the temperature-decreased pressure reducer in the original system, the generator 8 of back pressure steam turbine drive heating system (generator 23 in the non-power generation system), the steam discharge of back pressure turbine leads to heat exchanger 9.Working procedure is: be provided with extraction control valve 2 on mesolow cylinder connecting tube 1, the pressure and the amount of drawing gas by extraction control valve 2 control exhaust points settings, the steam of extracting out is by being arranged on the safety valve 3 on the extraction line, safety check 4, rapid cut-off valve 5 is to back pressure turbine 7, back pressure turbine 7 adopts the method for operation of electricity determining by heat, demand according to heat load, by back pressure turbine admission modulating valve 6, the throttle flow of control back pressure turbine 7, drive generator 8 generating output electric energy, the steam discharge of back pressure turbine leads to heat exchanger 9 simultaneously, and heating heat supply network steam is to the heat supply network heat supply.
Back pressure turbine 7 also can directly drive rotary machines such as circulating water pump.

Claims (1)

1. co-generation unit, it comprises power generation system and heating system, in heating system, draw gas after temperature-decreased pressure reducer, it is characterized in that: use back pressure turbine to replace temperature-decreased pressure reducer, the generator of back pressure steam turbine drive heating system or water pump, the steam discharge of back pressure turbine leads to heat exchanger.
CN2009202882612U 2009-12-22 2009-12-22 Cogeneration system Expired - Lifetime CN201650379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202882612U CN201650379U (en) 2009-12-22 2009-12-22 Cogeneration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202882612U CN201650379U (en) 2009-12-22 2009-12-22 Cogeneration system

Publications (1)

Publication Number Publication Date
CN201650379U true CN201650379U (en) 2010-11-24

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ID=43115614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202882612U Expired - Lifetime CN201650379U (en) 2009-12-22 2009-12-22 Cogeneration system

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Country Link
CN (1) CN201650379U (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519067A (en) * 2011-12-21 2012-06-27 华北电力大学 Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method
CN102900482A (en) * 2012-07-24 2013-01-30 山东泓奥电力科技有限公司 Energy-saving heat supply system with middle-positioned generator and back-positioned back-pressure machine
CN103032115A (en) * 2012-12-11 2013-04-10 上海电气电站设备有限公司 Cogeneration condensing steam turbine
CN103089349A (en) * 2013-01-27 2013-05-08 南京瑞柯徕姆环保科技有限公司 Combined cooling, heating and power device of distributed type industrial boiler
CN103644004A (en) * 2013-12-20 2014-03-19 上海电气电站设备有限公司 Double-turbine and combined cycle heat and power combined supply system
CN103790657A (en) * 2012-10-31 2014-05-14 贵阳铝镁设计研究院有限公司 Steam distributing method and device for waste heat generating system of charcoal ink factory
CN103940260A (en) * 2014-04-14 2014-07-23 中北大学 Intelligent cogeneration system
CN103939979A (en) * 2014-04-14 2014-07-23 中北大学 Heat radiator and combined heat and power generation system including same
CN104089277A (en) * 2014-06-25 2014-10-08 中国石油大学(北京) Novel energy supply electricity and heat cogeneration system for substituting oil and gas gathering and transporting production process transfer station
CN104713149A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system with heat automatic calculating
CN104713388A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system with regulating valves adapting to changes
CN104713159A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system for automatic exhaust steam pumping control
CN107401755A (en) * 2017-08-02 2017-11-28 大唐东北电力试验研究所有限公司 The energy conserving system of station boiler steam turbine
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

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519067B (en) * 2011-12-21 2013-11-06 华北电力大学 Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method
CN102519067A (en) * 2011-12-21 2012-06-27 华北电力大学 Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method
CN102900482A (en) * 2012-07-24 2013-01-30 山东泓奥电力科技有限公司 Energy-saving heat supply system with middle-positioned generator and back-positioned back-pressure machine
CN103790657A (en) * 2012-10-31 2014-05-14 贵阳铝镁设计研究院有限公司 Steam distributing method and device for waste heat generating system of charcoal ink factory
CN103032115A (en) * 2012-12-11 2013-04-10 上海电气电站设备有限公司 Cogeneration condensing steam turbine
CN103032115B (en) * 2012-12-11 2015-03-25 上海电气电站设备有限公司 Cogeneration condensing steam turbine
CN103089349B (en) * 2013-01-27 2015-02-04 南京瑞柯徕姆环保科技有限公司 Combined cooling, heating and power device of distributed type industrial boiler
CN103089349A (en) * 2013-01-27 2013-05-08 南京瑞柯徕姆环保科技有限公司 Combined cooling, heating and power device of distributed type industrial boiler
CN103644004A (en) * 2013-12-20 2014-03-19 上海电气电站设备有限公司 Double-turbine and combined cycle heat and power combined supply system
CN103644004B (en) * 2013-12-20 2015-09-16 上海电气电站设备有限公司 The cogeneration system of a kind of pair of turbine, combined cycle
CN103939979B (en) * 2014-04-14 2015-04-08 中北大学 Heat radiator and combined heat and power generation system including same
CN104864443A (en) * 2014-04-14 2015-08-26 中北大学 Energy-saving and environment-friendly combined heat and power generation system
CN103939979A (en) * 2014-04-14 2014-07-23 中北大学 Heat radiator and combined heat and power generation system including same
CN104713149A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system with heat automatic calculating
CN104713388A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system with regulating valves adapting to changes
CN104713159A (en) * 2014-04-14 2015-06-17 中北大学 Combined heat and power generation system for automatic exhaust steam pumping control
CN104791877A (en) * 2014-04-14 2015-07-22 中北大学 Combined heat and power generation system capable of automatically controlling steam extraction volume
CN104791876A (en) * 2014-04-14 2015-07-22 中北大学 Cogeneration system allowing heat to be fully used
CN104864446A (en) * 2014-04-14 2015-08-26 中北大学 Combined heat and power generation system for fully utilizing pipeline waste heat
CN104713388B (en) * 2014-04-14 2017-01-11 中北大学 Combined heat and power generation system with regulating valves adapting to changes
CN103940260A (en) * 2014-04-14 2014-07-23 中北大学 Intelligent cogeneration system
CN104791877B (en) * 2014-04-14 2016-03-30 中北大学 The co-generation unit that rate of air sucked in required controls automatically
CN104791876B (en) * 2014-04-14 2016-03-30 中北大学 The co-generation unit that a kind of heat makes full use of
CN104713149B (en) * 2014-04-14 2017-01-04 中北大学 The co-generation unit that a kind of heat calculates automatically
CN104089277A (en) * 2014-06-25 2014-10-08 中国石油大学(北京) Novel energy supply electricity and heat cogeneration system for substituting oil and gas gathering and transporting production process transfer station
CN107401755A (en) * 2017-08-02 2017-11-28 大唐东北电力试验研究所有限公司 The energy conserving system of station boiler steam turbine
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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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Quansanwei Power Engineering Co., Ltd., Beijing

Assignor: Liaoning Electric Power Control Technology Co., Ltd.

Contract record no.: 2011110000095

Denomination of utility model: Combined heat and power generation system and heat supplying method

Granted publication date: 20101124

License type: Exclusive License

Record date: 20110713

C56 Change in the name or address of the patentee

Owner name: BEIJING FULL THREE DIMENSION ENERGY TECHNOLOGY CO.

Free format text: FORMER NAME: LIAONING ELECTRIC POWER CONTROL TECHNOLOGY CO., LTD.

CP03 Change of name, title or address

Address after: 100190, No. 9, No. 11 West Fourth Ring Road, Beijing, Haidian District

Patentee after: Beijing Full Three Dimension Energy Technology Co., Ltd.

Address before: Hunnan Xinming street Shenyang city Liaoning province 110179 No. 6

Patentee before: Liaoning Electric Power Control Technology Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20101124

DD01 Delivery of document by public notice
DD01 Delivery of document by public notice

Addressee: Beijing Full Three Dimension Energy Technology Co., Ltd.

Document name: Notification of Expiration of Patent Right Duration