CN202220628U - Combined cycle power generation system for increasing use efficiency of heat source - Google Patents

Combined cycle power generation system for increasing use efficiency of heat source Download PDF

Info

Publication number
CN202220628U
CN202220628U CN2011203413898U CN201120341389U CN202220628U CN 202220628 U CN202220628 U CN 202220628U CN 2011203413898 U CN2011203413898 U CN 2011203413898U CN 201120341389 U CN201120341389 U CN 201120341389U CN 202220628 U CN202220628 U CN 202220628U
Authority
CN
China
Prior art keywords
ammoniacal liquor
power generation
steam
condenser
steam boiler
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 - Fee Related
Application number
CN2011203413898U
Other languages
Chinese (zh)
Inventor
张高佐
郭佳
戴军
王春莉
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.)
Shanghai Shenghe New Energy Resources Science & Technology Co Ltd
Original Assignee
Shanghai Shenghe New Energy Resources Science & Technology 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 Shanghai Shenghe New Energy Resources Science & Technology Co Ltd filed Critical Shanghai Shenghe New Energy Resources Science & Technology Co Ltd
Priority to CN2011203413898U priority Critical patent/CN202220628U/en
Application granted granted Critical
Publication of CN202220628U publication Critical patent/CN202220628U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model provides a combined cycle power generation system for increasing use efficiency of a heat source. The combined cycle power generation system comprises a steam boiler and an ammonia water evaporator, wherein the steam boiler is sequentially connected with a steam turbine, a condenser and a water feeding pump in series, the feed pump is connected with the steam boiler to form a Rankine power cycle; and the ammonia water evaporator is sequentially connected with an ammonia water steam-liquid separator, an ammonia water absorber/condenser, an ammonia water storage tank and an ammonia feeding pump in series to form a Carina power cycle. The combined cycle power generation system is characterized in that the hot side outlet of the steam boiler is connected to the hot side inlet of the ammonia water evaporator, or the cold side outlet of the condenser is connected to the hot side inlet of the ammonia water evaporator. The combined cycle power generation system has the advantages of simple equipment, compact arrangement and low cost and can be produced in complete sets; the Carina power cycle device has mature technology and low cost; the Carina power cycle is in the low-temperature section, and the cycle efficiency is high; the Rankine-Carina combined cycle power generation system is stable, safe and reliable, can realize unmanned operation, has long maintenance period, low maintenance cost, low power generation cost and wide range of application and is particularly suitable for deeply using waste heat of conventional thermal power plants.

Description

Improve the association circulating power generation system of thermal source utilization efficiency
Technical field
The utility model relates to a kind of Rankine-Ka Linne association circulating power generation system, to improve the system of steam power plant thermal source utilization efficiency.
Background technique
The power engine that uses the earliest in the industry is the steam power plant with water vapour workmanship matter.In steam power plant during water and be in liquid state, the time and be in gaseous state, produce steam like liquid water vaporizes in steam boiler; After the turbine expansion acting; The entering condenser condenses into water again and returns boiler again, and when gasifying and condensing, can keep constant temperature, because products of combustion is not participated in circulation; Thereby steam power plant various fuel capable of using, like coal, residual oil even combustible refuse.
Rankine cycle is a kind of simple steam power plant circulation; Its flow process is roughly: fuel burns in steam boiler, emits heat, and water is the level pressure heat absorption in steam boiler; Be vaporized into saturated vapour, saturated vapour level pressure in steam superheater is absorbed heat into superheated vapor.The adiabatic expansion acting in steam turbine of the initial steam of HTHP, the work of discharging from steam turbine exhaust steam isobaric condensation in condenser of merit, to the cooling water heat release, this is that constant pressure process also is a constant temperature process simultaneously.Water of condensation is adiabatic compression in feed water pump, and the water after pressure raises gets into boiler once more and accomplishes circulation.
Can find through said process; Water is isothermal evaporation, isothermal condensation in condenser in boiler; Water obtains in the process of heat from thermal source and low-temperature receiver, receives the decalescence of water, the restriction of exothermal character, can't from thermal source/low-temperature receiver, absorb or discharge more/less heat; Promptly the circulation caloric receptivity can't extract more heats in order to generating owing to the decalescence of water, the restriction of exothermal character.
Summary of the invention
The purpose of the utility model provides a kind of power generation system that makes full use of heat in the steam power plant circulation.The further purpose of the utility model is to realize the reorganization and the utilization of the different energy level used heat energy in the process system.
In order to achieve the above object; The technological scheme of the utility model has provided a kind of association circulating power generation system that improves the thermal source utilization efficiency; Comprise steam boiler; Steam boiler connect successively steam turbine, condenser and feed water pump form the Rankine power cycle thereby feed water pump takes back steam boiler, also comprise the ammoniacal liquor vaporizer; Ammoniacal liquor vaporizer once connect ammoniacal liquor vapor-liquid separator, ammoniacal liquor absorption/condenser, tank used for storing ammonia and to ammonia pump; Thereby take back the ammoniacal liquor vaporizer to ammonia pump and form card Linne power cycle, it is characterized in that: the hot side outlet of said steam boiler is connected to the hot side entrance of ammoniacal liquor vaporizer, or the outlet of the cold side of said condenser is connected to the hot side entrance of ammoniacal liquor vaporizer.
The cold side entrance point of said ammoniacal liquor vaporizer is connected to the said ammonia pump of giving, and the cold side outlet end of ammoniacal liquor vaporizer is connected to said ammoniacal liquor vapor-liquid separator.
A kind of power generation system that the utility model provides adopts the general steam electric power technology of Rankine cycle technology relatively; It can utilize low-temperature heat source; Card Linne power cycle efficient in the low-temperature heat source section exceeds 20~50% than conventional Rankine cycle; This is very considerable in the energy utilization, also is that other routine techniques can't the degree of depth obtain.High temperature section adopts conventional Rankine cycle; Low-temperature zone adopts card Linne power cycle; The combination utilization of two kinds of endless form, its technology maturation, economically feasible; And its conversion efficiency of thermoelectric can reach more than 1% than existing conventional thermoelectricity raising in a short time, and this is that other steam power generation technologies institutes are unsurpassable.
The utility model has the advantages that: equipment is simple, arranges compactness, but complete production, cost is lower, and every kilowatt of initial cost is about 1.6 ten thousand yuan; Card Linne power circulating device, technology maturation, cost is lower; Card Linne power cycle is in low temperature (≤150 ℃) section, and cycle efficiency is high, and is higher by 20~50% than conventional Rankine cycle; Rankine-Ka Linne association circulating power generation system is stable, and is safe and reliable, can realize unattendedly, and maintenance period is long, and maintenance cost is low, and cost of electricity-generating is low; Applied widely, be specially adapted to the utilization of the conventional thermal power plant waste heat degree of depth.
Description of drawings
A kind of schematic representation that improves the association circulating power generation system of thermal source utilization efficiency that Fig. 1 provides for embodiment;
The another kind that Fig. 2 provides for embodiment improves the schematic representation of the association circulating power generation system of thermal source utilization efficiency.
Embodiment
For making the utility model more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
Embodiment 1
In the time need carrying out degree of depth comprehensive utilization simultaneously to the thermal source of the heat of cooling water and steam boiler; Can adopt system as shown in Figure 1; Comprise steam boiler 1, steam boiler 1 connect successively steam turbine 2, condenser 3 and feed water pump 4 form circulation thereby feed water pump 4 takes back steam boiler 1; The cooling water intake end of condenser 3 connects to ammonia pump 5; Its coolant outlet end connects ammoniacal liquor vapor-liquid separator 6 (being ammonia steam Turbo-generator Set), thereby ammoniacal liquor vapor-liquid separator 6 is connected to ammonia pump 5 formation circulations through ammoniacal liquor absorption/condenser 7, the hotter side outlet of steam boiler 1 is connected to the hot side of ammoniacal liquor vaporizer 12; The cold side entrance point of ammoniacal liquor vaporizer 12 is connected to ammonia pump 5, and the cold side outlet end of ammoniacal liquor vaporizer 12 is connected to ammoniacal liquor vapor-liquid separator 6.
The work of discharging from steam turbine 2 like this heat of exhaust steam of merit can in condenser 3, ammoniacal liquor be vaporizated into ammonia steam; Utilize ammonia steam to make ammoniacal liquor vapor-liquid separator 6 do work; Simultaneously; Can also utilize the heat that can't extract in the entrained Rankine cycle of the thermal source of steam boiler 1 in ammoniacal liquor absorption/condenser 7, ammoniacal liquor to be vaporizated into ammonia steam, offer ammoniacal liquor vapor-liquid separator 6 equally.
Embodiment 2
Can also adopt system as shown in Figure 2; This system comprises steam boiler 1; Steam boiler 1 connect successively steam turbine 2, condenser 3 and feed water pump 4 form circulation thereby feed water pump 4 takes back steam boiler 1, and the cooling water intake end of condenser 3 connects to ammonia pump 5; Its coolant outlet end connects ammoniacal liquor vapor-liquid separator 6; Thereby ammoniacal liquor vapor-liquid separator 6 is connected to ammonia pump 5 through ammoniacal liquor absorption/condenser 7 and forms circulation, the hotter side outlet of steam boiler 1 is connected to the hot side of the first ammoniacal liquor vaporizer 8, and the cold side entrance point of the first ammoniacal liquor vaporizer 8 is connected to first and gives ammonia pump 9; The cold side outlet end of the first ammoniacal liquor vaporizer 8 is connected to the first ammoniacal liquor vapor-liquid separator 10 (being ammonia steam Turbo-generator Set), forms circulation for ammonia pump 9 thereby the first ammoniacal liquor vapor-liquid separator 10 is connected to first through the first ammoniacal liquor absorption/condenser 11.
From working procedure, present embodiment and embodiment's 1 difference is, by steam boiler 1 discharge the thermal source vaporization ammonia steam and the work of discharging by steam turbine 2 the ammonia steam of exhaust steam vaporization of merit offer different ammonia steam Turbo-generator Set respectively.

Claims (2)

1. association circulating power generation system that improves the thermal source utilization efficiency; Comprise steam boiler (1); Steam boiler (1) connect successively steam turbine (2), condenser (3) and feed water pump (4); Feed water pump (4) takes back steam boiler (1) thereby forms the Rankine power cycle; Also comprise the ammoniacal liquor vaporizer, ammoniacal liquor vaporizer once connect ammoniacal liquor vapor-liquid separator, ammoniacal liquor absorption/condenser, tank used for storing ammonia and to ammonia pump (5) are given ammonia pump (5) thereby taking back the ammoniacal liquor vaporizer forms and block the Linne power cycle; It is characterized in that: the hot side outlet of said steam boiler (1) is connected to the hot side entrance of ammoniacal liquor vaporizer, or the outlet of the cold side of said condenser (3) is connected to the hot side entrance of ammoniacal liquor vaporizer.
2. a kind of association circulating power generation system that improves the thermal source utilization efficiency as claimed in claim 1; It is characterized in that: the cold side entrance point of said ammoniacal liquor vaporizer device is connected to the said ammonia pump (5) of giving, and the cold side outlet end of said ammoniacal liquor vaporizer is connected to said ammoniacal liquor vapor-liquid separator.
CN2011203413898U 2011-09-13 2011-09-13 Combined cycle power generation system for increasing use efficiency of heat source Expired - Fee Related CN202220628U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203413898U CN202220628U (en) 2011-09-13 2011-09-13 Combined cycle power generation system for increasing use efficiency of heat source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203413898U CN202220628U (en) 2011-09-13 2011-09-13 Combined cycle power generation system for increasing use efficiency of heat source

Publications (1)

Publication Number Publication Date
CN202220628U true CN202220628U (en) 2012-05-16

Family

ID=46042655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203413898U Expired - Fee Related CN202220628U (en) 2011-09-13 2011-09-13 Combined cycle power generation system for increasing use efficiency of heat source

Country Status (1)

Country Link
CN (1) CN202220628U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102337934A (en) * 2011-09-13 2012-02-01 上海盛合新能源科技有限公司 Combined cycle generating system for improving heat source usage efficiency
CN103925022A (en) * 2014-03-21 2014-07-16 成信绿集成股份有限公司 Two-stage power generation system and method using low and medium pressure steam
CN103953910A (en) * 2014-05-16 2014-07-30 中冶南方工程技术有限公司 Ammonia water waste heat boiler and technology recycling coke oven flue gas
CN103968357A (en) * 2014-05-16 2014-08-06 中冶南方工程技术有限公司 Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas
CN105484812A (en) * 2016-01-11 2016-04-13 苟仲武 Method and device for generating power by using ultra-low-temperature liquid gas
CN108757070A (en) * 2018-05-15 2018-11-06 西安交通大学 A kind of ammonia water mixture power cycle generating system and control method for coordinating

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102337934A (en) * 2011-09-13 2012-02-01 上海盛合新能源科技有限公司 Combined cycle generating system for improving heat source usage efficiency
CN103925022A (en) * 2014-03-21 2014-07-16 成信绿集成股份有限公司 Two-stage power generation system and method using low and medium pressure steam
CN103953910A (en) * 2014-05-16 2014-07-30 中冶南方工程技术有限公司 Ammonia water waste heat boiler and technology recycling coke oven flue gas
CN103968357A (en) * 2014-05-16 2014-08-06 中冶南方工程技术有限公司 Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas
CN103953910B (en) * 2014-05-16 2016-03-02 中冶南方工程技术有限公司 A kind of ammoniacal liquor waste heat boiler and technique reclaiming flue gases of cock oven
CN105484812A (en) * 2016-01-11 2016-04-13 苟仲武 Method and device for generating power by using ultra-low-temperature liquid gas
CN108757070A (en) * 2018-05-15 2018-11-06 西安交通大学 A kind of ammonia water mixture power cycle generating system and control method for coordinating

Similar Documents

Publication Publication Date Title
CN102337934A (en) Combined cycle generating system for improving heat source usage efficiency
CN202220628U (en) Combined cycle power generation system for increasing use efficiency of heat source
CN102435000B (en) Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant
CN103161607A (en) Combined power generating system based on waste-heat utilization of combustion motor
CN102792021A (en) Utilizing steam and/or hot water generated using solar energy
CN104653420A (en) Tower solar thermal power generation method and system using closed Brayton cycle
CN102817657B (en) Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system
CN107939548A (en) Internal combustion engine UTILIZATION OF VESIDUAL HEAT IN cooling heating and power generation system and its method of work
CN201826909U (en) Complementary power generation system combining solar energy and biomass energy
CN103147943A (en) Ammonia water mixed working medium-based combined cooling and power supply system for utilization of geothermal energy
CN104653419A (en) Closed Brayton tower solar thermal power generation method and system
RU2616148C2 (en) Electric power generation device with high temperature vapour-gas condensing turbine
CN103452670A (en) Micro gas turbine combined circulating system based on renewable energy sources
CN203532054U (en) Combined circulation system of microturbine based on renewable energy sources
CN203443371U (en) Power generating system utilizing waste heat of converter
CN102620478A (en) Method and device for improving thermal circulation efficiency
CN101397983A (en) Working fluid phase changing enthalpy difference sea water temperature difference power machine
RU2230921C2 (en) Method of operation and steam-gas plant of power station operating on combination fuel (solid and gaseous or liquid fuel)
CN202521950U (en) Device for improving efficiency of thermal cycle of thermal power plant or nuclear power plant
CN102865112A (en) Back thermal cycle power generation, multi-level back thermal cycle power generation and poly-generation system
CN206468383U (en) Improve the device of the Rankine cycle thermal efficiency
CN203347861U (en) of cooling and power generating functions of ammonia medium
CN207776921U (en) A kind of CHP Heating System based on absorption heat pump cycle
CN201705402U (en) Thermal power plant afterheat generation unit utilizing working substance phase-change circulation
CN108167914A (en) A kind of heating system

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Combined cycle generating system for improving heat source usage efficiency

Effective date of registration: 20141219

Granted publication date: 20120516

Pledgee: Shanghai Zhong Sheng finance guarantee Limited by Share Ltd

Pledgor: Shanghai Shenghe New Energy Resources Science & Technology Co., Ltd.

Registration number: 2014310000088

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120516

Termination date: 20150913

EXPY Termination of patent right or utility model