CN106439777A - Water replenishing and preheating system for back-pressure steam turbine - Google Patents

Water replenishing and preheating system for back-pressure steam turbine Download PDF

Info

Publication number
CN106439777A
CN106439777A CN201610766742.4A CN201610766742A CN106439777A CN 106439777 A CN106439777 A CN 106439777A CN 201610766742 A CN201610766742 A CN 201610766742A CN 106439777 A CN106439777 A CN 106439777A
Authority
CN
China
Prior art keywords
water
pump
outlet
import
moisturizing
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.)
Granted
Application number
CN201610766742.4A
Other languages
Chinese (zh)
Other versions
CN106439777B (en
Inventor
陈理帅
赵军
张东明
杨晨
沈子祁
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.)
ZHEJIANG ZHENENG XINGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd.
Original Assignee
ZHEJIANG ZHENENG ENERGY-SAVING 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 ZHEJIANG ZHENENG ENERGY-SAVING TECHNOLOGY Co Ltd filed Critical ZHEJIANG ZHENENG ENERGY-SAVING TECHNOLOGY Co Ltd
Priority to CN201610766742.4A priority Critical patent/CN106439777B/en
Publication of CN106439777A publication Critical patent/CN106439777A/en
Application granted granted Critical
Publication of CN106439777B publication Critical patent/CN106439777B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/003Feed-water heater systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/32Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/50Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00Machines, plants or systems, using particular sources of energy
    • F25B27/02Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/006Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

Abstract

The invention provides a water replenishing and preheating system for a back-pressure steam turbine. The water replenishing and preheating system comprises an absorption heat pump, a water replenishing heater, a deaerator, high pressure heaters, the back-pressure steam turbine, a small steam turbine, a closed cooling water system and the like. The absorption heat pump comprises an absorber, a condenser, an evaporator and a generator. According to the water replenishing and preheating system for the back-pressure steam turbine provided by the invention, auxiliary engine heat dissipation in closed cooling water can be recovered through the absorption heat pump, boiler replenished water of a backpressure unit can be heated under the driving action of steam, steam consumption of the back-pressure steam turbine is reduced, and the external steam supply amount is increased. Meanwhile, the absorption heat pump replaces a water-water heat exchanger in an original closed cooling water system, a cooling tower, a circulating water pump and other devices, halting for standby application can be performed, and thus power consumption is lowered.

Description

A kind of back pressure turbine moisturizing preheating system
Technical field
The present invention relates to steam turbine of thermal power plant therrmodynamic system water charging system, be specially a kind of back pressure turbine moisturizing pre-add Hot systems.
Background technology
Centralized heat supply, steam supply can improve energy utilization rate, save the energy.The cogeneration synthesis thermal efficiency of thermal power plant unit Up to 85%, far above the generating thermal efficiency of large-scale pure condensate Steam Turbine;The thermal efficiency of the big thermoelecrtic boiler of district boiler room can Reach 80%~90%, and the thermal efficiency of scattered miniature boiler only has 50%~60%.Wherein, supply for the concentration of enterprises in industrial park Vapour generally uses back pressure steam turbines, the i.e. parameter of the corresponding external steam supply of the steam discharge parameter of back pressure machine, generally external steam supply Solidifying water cannot reclaim, therefore back pressure type steam turbine pusher side need provide boiler replenishing water, again by moisturizing heat after become steam Send into steam turbine.
The moisturizing of boiler first passes through the heat regenerative system stepped heating of steam turbine, and common firing equipment includes that moisturizing is heated Device or low-pressure heater, oxygen-eliminating device, high-pressure heater, moisturizing enters boiler from heat regenerative system, through economizer, water-cooling wall, mistake Hot device completes the overheated vaporescence of moisturizing, and superheated steam enters back pressure turbine, and expansion work generates electricity, and steam pressure is at vapour Turbine outlet is reduced to external steam supply parameter, is directly entered heat supply network, forms the technical process of back pressure steam supply unit.
Back pressure steam turbines there are a lot of subsidiary engine and main frame are required to use enclosed cooling water cooling, include generating Machine, feed pump, pressure fan, air-introduced machine etc., enclosed cooling water is after absorbing the heat of subsidiary engine, by surface-type heat exchanger by heat Amount is transferred to open type cooling water, generally uses cooling tower cooling open type cooling water, the cooling water circulation of a set of subsidiary engine is integrally formed System.The heat of this part subsidiary engine directly drains in environment, is not used appropriately.
For back pressure turbine, being typically due to its capacity less, the relatively large pure condensate unit of its heat regenerative system of drawing gas is more Simplifying, the progression that draws gas is less, heat regenerative system imperfection, in fact it could happen that high temperature draws gas and directly heats the moisturizing of low temperature, and therefore having must First to carry out moisturizing and to preheat before moisturizing enters the heat regenerative system of back pressure machine.Meanwhile, thermal power plant unit has substantial amounts of circulation Cooling water heat is not utilized, therefore combines the water charging system of unit waste heat and back pressure machine, it is achieved preheating of moisturizing, right The thermal efficiency improving thermal power plant unit further has positive meaning.
Content of the invention
For the problems referred to above, the invention provides a kind of back pressure turbine moisturizing preheating system, be used for reclaiming subsidiary engine enclosed Cooling water heat, the moisturizing to back pressure machine preheats.
The technical solution used in the present invention is, a kind of back pressure turbine moisturizing preheating system, and said system includes the back of the body Press heat regenerative system, closed cooling water system, moisturizing preheating system.
Moisturizing heater that back pressure machine heat regenerative system includes being sequentially connected, oxygen-eliminating device, feed pump, No. 2 high-pressure heaters, 1 Number high-pressure heater, boiler, back pressure turbine, little steam turbine;
Closed cooling water system includes subsidiary engine cooler, closes water supply pump, closes cold-water heat exchanger, cooling tower, water circulating pump, standby each other The absorption heat pump that is arranged in parallel of part and close cold-water heat exchanger;
Moisturizing preheating system includes small pump, the absorption heat pump being sequentially connected, and wherein absorption heat pump also includes and little vapour Machine be connected steam pipework, with close the circulating water line that chilled water system is connected.
The present invention is further arranged to, and above-mentioned absorption heat pump includes evaporimeter, generator, absorber and condenser;Steam Sending out device, its import is connected with closed-up water pump discharge, and outlet is connected with subsidiary engine cooler inlet.Generator, its import and little steam turbine Exhaust vent is connected, and outlet is connected with moisturizing heater inlet after mixing with the condensator outlet of heat pump;Absorber and condenser, Its import is connected with small pump outlet, and outlet is connected with moisturizing heater inlet.
The present invention is further arranged to, and above-mentioned closed cooling water system includes subsidiary engine cooler, closes cold-water heat exchanger and close Water supply pump, subsidiary engine cooler outlet is connected with closing water supply pump import, and import exports and close cold-water heat exchanger with evaporator with heat pump Mouth is connected;Closing water supply pump outlet point two-way, a road is connected with closing cold-water heat exchanger, and a road is connected with evaporator with heat pump import, enters Mouth is connected with subsidiary engine heat exchanger exit;Close cold-water heat exchanger close cold water side import with close water supply pump outlet be connected, export and subsidiary engine Cooler inlet is connected, and recirculated cooling water side outlet is connected with cooling tower import, and import is connected with water circulating pump outlet.
Beneficial effect
Compared with traditional back pressure machine moisturizing heating system, a kind of back pressure turbine moisturizing that the present invention provides preheats and is System, this system can reclaim the waste heat in back pressure unit enclosed cooling water, through steam drive, for preheating of moisturizing, reduce The steam consumption quantity of heating moisturizing, adds external evaporation capacity for engine.The closed-up water cooling system of original system additionally, this system can also be stopped transport System, such as cooling tower, open circulation water pump etc., reduce energy consumption, reduce moisture evaporation, saved water resource.For back pressure type steam turbine The moisturizing preheating of machine provides energy-saving scheme.
Brief description
Fig. 1 is the connection diagram of the present invention.
In figure, the 1st, boiler;2nd, back pressure turbine;3rd, the small turbine of feed pump is driven;4th, subsidiary engine cooling water heat exchanger; 5th, closed cycle water pump;6th, closed-up water heat exchanger;7th, cooling tower;8th, water circulating pump;9th, absorption heat pump;10th, small pump;11、 Moisturizing heater;12nd, oxygen-eliminating device;13rd, feed pump;14th, No. 2 high-pressure heaters;15th, No. 1 high-pressure heater.
Detailed description of the invention
Elaborate a lot of detail in the following description in order to fully understand the present invention.But the present invention can be with a lot Being different from alternate manner described here to implement, those skilled in the art can do in the case of without prejudice to intension of the present invention Similar popularization, therefore the present invention is not limited by following public specific embodiment.
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described further.The present invention is made The component function used is as follows:
Embodiment
In the present embodiment, in conjunction with accompanying drawing, the structure of the present invention is described in detail.
Referring to accompanying drawing, a kind of back pressure turbine moisturizing preheating system, boiler circuit includes the moisturizing being sequentially connected Pump the 10th, absorption heat pump the 9th, moisturizing heater the 11st, oxygen-eliminating device the 12nd, feed pump the 13rd, No. 2 high-pressure heater the 14th, No. 1 high-pressure heaters 15th, boiler the 1st, back pressure turbine the 2nd, little steam turbine 3, closes chilled water system and includes that the 4th, subsidiary engine cooler closes water supply pump and the 5th, close cold water heat exchange Device the 6th, cooling tower the 7th, water circulating pump 8, absorption heat pump 9 is in parallel with closing cold-water heat exchanger 6, standby mutually.
Above-mentioned heat pump back pressure machine moisturizing preheating system includes as follows:
Absorption heat pump 9, for reclaiming the waste heat in subsidiary engine cooler 4, preheats to boiler replenishing water, and replacement is closed cold simultaneously Water-to-water heat exchanger 6, makes the cooling tower 7 in open circulation and water circulating pump 8 can shut down standby, reduces energy consumption.The driving heat of heat pump Source import is connected with the steam drain of little steam turbine 3, and the hydrophobic outlet of generation and moisturizing outlet are mixed into moisturizing heater 11;Heat pump Waste heat source import is connected with closed cold pump 5 outlet, and outlet is connected with subsidiary engine cooling water inlet;Heat pump heated working medium import and pot Stove small pump 10 outlet is connected, and outlet is connected with moisturizing heater 11.
Moisturizing heater 11, when absorption heat pump 9 cannot utilize the steam discharge of little steam turbine 3 completely, remaining little steam turbine is arranged Vapour all enters moisturizing heater 11, makes full use of the steam discharge heating boiler moisturizing of little steam turbine.Heater moisturizing import and heat pump 9 go out Mouth is connected, and outlet is connected with oxygen-eliminating device 12 import;Steam inlet is connected with little steam turbine 3 steam drain, hydrophobic outlet and oxygen-eliminating device 12 Import is connected.
As the preferred embodiment of the present invention, above-mentioned absorption heat pump 9 can use first kind single-effect type absorption heat pump, Its Energy Efficiency Ratio(COP)It is about 1.8, but dual effect absorption heat pump can be selected to produce chilled water according to actual conditions.
As the preferred embodiment of the present invention, it is cold that the low temperature exhaust heat source of above-mentioned absorption heat pump 9 can be used directly enclosed But water or open circulating water etc. are as waste heat source, but are not limited to above two waste heat, and any harmless stable used heat all can conduct The waste heat source of native system.
Before enforcement, detection is needed to obtain rate of water make-up, moisturizing temperature under Various Seasonal, load for the back pressure unit, close cold water System heat exchange amount(I.e. subsidiary engine heat dissipation capacity)Or the operational factor such as the temperature of recirculated cooling water.According to the parameter obtaining, to absorption Heat pump is designed type selecting, checks former heating and circulation.When being embodied as, by moisturizing temperature, rate of water make-up, circulating water temperature The signals such as degree are input in the moisturizing preheating system of heat pump, and control system accesses in the control system of former back pressure machine, to steam Consumption, quantity of circulating water, the former running status closing cold water open circulating water system are adjusted control.Moisturizing heater, for utilizing The equipment of the little steam turbine steam discharge heating boiler moisturizing of back pressure unit steam feed pump, heater can use surface-type or hybrid etc. Form, according to surface heater, it is hydrophobic enters in oxygen-eliminating device, and the water temperature of usual moisturizing heater is 90 ~ 110 DEG C. Its moisturizing import is connected with the condenser of absorption heat pump, and outlet is connected with oxygen-eliminating device import, heating steam inlet and little steam turbine Gland steam exhauster is connected, and hydrophobic is connected with oxygen-eliminating device import.
Oxygen-eliminating device, is the heating power type deaerating plant of boiler replenishing water, and its thermal source uses the steam discharge of back pressure turbine, i.e. externally The parameter of steam supply, additionally, oxygen-eliminating device also absorbs the hydrophobic heat of high-pressure heater.Its import adds with high-pressure heater and moisturizing The hydrophobic outlet of hot device is connected, and import is connected with the moisturizing outlet of moisturizing heater, and steam inlet is connected with back pressure machine steam drain, Moisturizing outlet is connected with high-pressure heater outlet
High-pressure heater, is further with back pressure machine steam discharge and setting of drawing gas by moisturizing after feed pump pressurization for the oxygen-eliminating device Standby, generally its thermal source uses back pressure machine steam discharge and at different levels draws gas, the mode that hydrophobic employing is flow automatically step by step.No. 1 high outlet adding with Boiler inlet is connected, and No. 2 high adds moisturizing import and export with the feed pump that oxygen-eliminating device export and be connected, steam inlet respectively with back pressure machine Draw gas and be connected with exhaust vent.
Above-mentioned closed cooling water system includes as follows:
Enclosed cooling water heat exchanger, is by absorbing the equipment closing cold water cooling of heat from each subsidiary engine, by surface-type heat exchange, and will Heat is transferred to open circulating water from closing cold water, reduces and closes cold water temperature.It closes cold water side import and closed-up water pump discharge phase Even, outlet is connected with cooled subsidiary engine cooling water inlet, open circulation water entrance respectively with open circulation exit of pump and cold But tower import is connected.
Enclosed water pump, is to close cold water in whole circulation for overcoming the pressurized equipment of crushing.Its import is auxiliary with cooled The coolant outlet of machine is connected, and exports and closes cold-water heat exchanger import and be connected.
The cooler of each subsidiary engine and corollary equipment, change from the cooling closing shunting cooling water entrance subsidiary engine the female pipe of circulating chilled water Hot device, backwater enters and closes the female pipe of cold-water return, additionally, also include the corollary equipment such as moisturizing, blowdown in closed Water System.
Enclosed cooling water heat exchanger heat is transferred heat in environment by open circulating water system by cooling tower Equipment, it is furnished with open circulation water pump.
Above-mentioned moisturizing preheating system includes as follows:
Absorption heat pump, including absorber, evaporimeter, condenser, four heat exchangers of generator, by reclaiming in enclosed cooling water Waste heat, drive steam effect under, boiler replenishing water is preheated.Its evaporator exports phase with closing water supply pump Even, evaporator outlet is connected with subsidiary engine cooling water inlet, is formed in parallel with closing cold-water heat exchanger, and generator import is arranged with little steam turbine Vapor outlet is connected, and exports and hydrophobic is connected with condensator outlet, and absorber import exports with small pump and is connected, condensator outlet and benefit Water heater import is connected.
Above-mentioned back pressure machine heat regenerative system includes as follows:
Moisturizing heater, is the equipment of the little steam turbine steam discharge heating boiler moisturizing utilizing back pressure unit steam feed pump, heater Can use surface-type or the form such as hybrid, according to surface heater, it is hydrophobic enters in oxygen-eliminating device, and usual moisturizing adds The water temperature of hot device is 90 ~ 110 DEG C.Its moisturizing import is connected with the condenser of absorption heat pump, and outlet is connected with oxygen-eliminating device import, Heating steam inlet is connected with little turbine exhaust steam duct, hydrophobic is connected with oxygen-eliminating device import.
Oxygen-eliminating device, is the heating power type deaerating plant of boiler replenishing water, and its thermal source uses the steam discharge of back pressure turbine, i.e. externally The parameter of steam supply, additionally, oxygen-eliminating device also absorbs the hydrophobic heat of high-pressure heater.Its import adds with high-pressure heater and moisturizing The hydrophobic outlet of hot device is connected, and import is connected with the moisturizing outlet of moisturizing heater, and steam inlet is connected with back pressure machine steam drain, Moisturizing outlet is connected with high-pressure heater outlet
High-pressure heater, is further with back pressure machine steam discharge and setting of drawing gas by moisturizing after feed pump pressurization for the oxygen-eliminating device Standby, generally its thermal source uses back pressure machine steam discharge and at different levels draws gas, the mode that hydrophobic employing is flow automatically step by step.No. 1 high outlet adding with Boiler inlet is connected, and No. 2 high adds moisturizing import and export with the feed pump that oxygen-eliminating device export and be connected, steam inlet respectively with back pressure machine Draw gas and be connected with exhaust vent.
Above-mentioned closed cooling water system includes as follows:
Enclosed cooling water heat exchanger, is by absorbing the equipment closing cold water cooling of heat from each subsidiary engine, by surface-type heat exchange, and will Heat is transferred to open circulating water from closing cold water, reduces and closes cold water temperature.It closes cold water side import and closed-up water pump discharge phase Even, outlet is connected with cooled subsidiary engine cooling water inlet, open circulation water entrance respectively with open circulation exit of pump and cold But tower import is connected.
Enclosed water pump, is to close cold water in whole circulation for overcoming the pressurized equipment of crushing.Its import is auxiliary with cooled The coolant outlet of machine is connected, and exports and closes cold-water heat exchanger import and be connected.
The cooler of each subsidiary engine and corollary equipment, change from the cooling closing shunting cooling water entrance subsidiary engine the female pipe of circulating chilled water Hot device, backwater enters and closes the female pipe of cold-water return, additionally, also include the corollary equipment such as moisturizing, blowdown in closed Water System.
Enclosed cooling water heat exchanger heat is transferred heat in environment by open circulating water system by cooling tower Equipment, it is furnished with open circulation water pump.
Above-mentioned moisturizing preheating system includes as follows:
Absorption heat pump, including absorber, evaporimeter, condenser, four heat exchangers of generator, by reclaiming in enclosed cooling water Waste heat, drive steam effect under, boiler replenishing water is preheated.Its evaporator exports phase with closing water supply pump Even, evaporator outlet is connected with subsidiary engine cooling water inlet, is formed in parallel with closing cold-water heat exchanger, and generator import is arranged with little steam turbine Vapor outlet is connected, and exports and hydrophobic is connected with condensator outlet, and absorber import exports with small pump and is connected, condensator outlet and benefit Water heater import is connected.

Claims (3)

1. a back pressure turbine moisturizing preheating system, it is characterised in that described system includes back pressure machine heat regenerative system, closes Formula cooling water system, moisturizing preheating system;
Back pressure machine heat regenerative system includes being sequentially connected, moisturizing heater(11), oxygen-eliminating device(12), feed pump(13), No. 2 high pressure Heater(14), No. 1 high-pressure heater(15), boiler(1), back pressure turbine(2), little steam turbine(3);
Closed cooling water system includes subsidiary engine cooler(4), close water supply pump(5), close cold-water heat exchanger(6), cooling tower(7), follow Ring water pump(8), backup each other the absorption heat pump being arranged in parallel(9)With close cold-water heat exchanger(6);
Moisturizing preheating system includes small pump(10), absorption heat pump(9).
2. a kind of back pressure turbine moisturizing preheating system according to claim 1, it is characterised in that
Absorption heat pump(9)Including evaporimeter, generator, absorber and condenser;Evaporimeter, its import and enclosed water pump(5) Outlet is connected, outlet and subsidiary engine cooler(4)Import is connected;
Generator, its import and little steam turbine(3)Exhaust vent is connected, and outlet adds with moisturizing after mixing with the condensator outlet of heat pump Hot device(11)Import is connected;Absorber and condenser, its import and small pump(10)Outlet is connected, outlet and moisturizing heater (11)Import is connected.
3. a kind of back pressure turbine moisturizing preheating system according to claim 1, it is characterised in that described enclosed is cold But water system includes subsidiary engine cooler(4), close cold-water heat exchanger(6)With close water supply pump(5), subsidiary engine cooler outlet with close cold water Pump inlet is connected, import and heat pump(9)Evaporator outlet is connected with closing cold-water heat exchanger outlet;Close water supply pump outlet point two-way, One tunnel is connected with closing cold-water heat exchanger, a road and heat pump(9)Evaporator is connected, and import is connected with subsidiary engine heat exchanger exit; Close cold-water heat exchanger close cold water side import with close water supply pump outlet be connected, export be connected with subsidiary engine cooler inlet, circulating cooling Water side outlet and cooling tower(7)Import is connected, and import is connected with water circulating pump outlet.
CN201610766742.4A 2016-08-31 2016-08-31 A kind of back pressure turbine moisturizing preheating system Active CN106439777B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610766742.4A CN106439777B (en) 2016-08-31 2016-08-31 A kind of back pressure turbine moisturizing preheating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610766742.4A CN106439777B (en) 2016-08-31 2016-08-31 A kind of back pressure turbine moisturizing preheating system

Publications (2)

Publication Number Publication Date
CN106439777A true CN106439777A (en) 2017-02-22
CN106439777B CN106439777B (en) 2018-08-14

Family

ID=58090931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610766742.4A Active CN106439777B (en) 2016-08-31 2016-08-31 A kind of back pressure turbine moisturizing preheating system

Country Status (1)

Country Link
CN (1) CN106439777B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988813A (en) * 2017-05-15 2017-07-28 华电电力科学研究院 The system and method that a kind of utilization waste heat drives process equipment
CN107166480A (en) * 2017-06-08 2017-09-15 中广核工程有限公司 Nuclear power plant's heating plant heat-exchange system
CN111878797A (en) * 2020-07-10 2020-11-03 西安热工研究院有限公司 System and method for utilizing circulating water of pure condensing unit for water supplement of deaerator of back pressure machine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455253A1 (en) * 1979-04-27 1980-11-21 Armines Self contained heat pump - has refrigerant vapour-driven turbine which supplies auxiliary power for fans and pumps
US4660511A (en) * 1986-04-01 1987-04-28 Anderson J Hilbert Flue gas heat recovery system
CN202868823U (en) * 2012-09-19 2013-04-10 烟台龙源电力技术股份有限公司 System for extracting waste heat of power plant auxiliary machine circulating water
CN203464249U (en) * 2013-09-16 2014-03-05 哈尔滨汽轮机厂辅机工程有限公司 Condensed water heat regenerative system with absorption heat pump
CN104848199A (en) * 2015-04-23 2015-08-19 张中印 Method for recovering waste heat from power plant through absorption heat pump to heat boiler water
CN204730303U (en) * 2015-06-09 2015-10-28 西安交通大学 The heating system of the 12MW small cogeneration unit under a kind of underrun operating mode
CN105089724A (en) * 2015-08-07 2015-11-25 李俊峰 Boiler feed water heating system of paralleling operation steam turbine units
CN206037000U (en) * 2016-08-31 2017-03-22 浙江浙能节能科技有限公司 Back pressure steam turbine moisturizing is heating system in advance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455253A1 (en) * 1979-04-27 1980-11-21 Armines Self contained heat pump - has refrigerant vapour-driven turbine which supplies auxiliary power for fans and pumps
US4660511A (en) * 1986-04-01 1987-04-28 Anderson J Hilbert Flue gas heat recovery system
CN202868823U (en) * 2012-09-19 2013-04-10 烟台龙源电力技术股份有限公司 System for extracting waste heat of power plant auxiliary machine circulating water
CN203464249U (en) * 2013-09-16 2014-03-05 哈尔滨汽轮机厂辅机工程有限公司 Condensed water heat regenerative system with absorption heat pump
CN104848199A (en) * 2015-04-23 2015-08-19 张中印 Method for recovering waste heat from power plant through absorption heat pump to heat boiler water
CN204730303U (en) * 2015-06-09 2015-10-28 西安交通大学 The heating system of the 12MW small cogeneration unit under a kind of underrun operating mode
CN105089724A (en) * 2015-08-07 2015-11-25 李俊峰 Boiler feed water heating system of paralleling operation steam turbine units
CN206037000U (en) * 2016-08-31 2017-03-22 浙江浙能节能科技有限公司 Back pressure steam turbine moisturizing is heating system in advance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988813A (en) * 2017-05-15 2017-07-28 华电电力科学研究院 The system and method that a kind of utilization waste heat drives process equipment
CN106988813B (en) * 2017-05-15 2019-04-09 华电电力科学研究院 A kind of system and method using waste heat driving process equipment
CN107166480A (en) * 2017-06-08 2017-09-15 中广核工程有限公司 Nuclear power plant's heating plant heat-exchange system
CN111878797A (en) * 2020-07-10 2020-11-03 西安热工研究院有限公司 System and method for utilizing circulating water of pure condensing unit for water supplement of deaerator of back pressure machine

Also Published As

Publication number Publication date
CN106439777B (en) 2018-08-14

Similar Documents

Publication Publication Date Title
CN106705185A (en) Energy-saving heat supply system with function of reducing temperature of heat supply return water
CN201280956Y (en) Flue gas waste heat recovering and generating set
CN202381129U (en) Power supplying system
CN202768090U (en) Recovery system of dead steam waste heat
CN106523053B (en) Solar heat and steam power plant's coupled electricity-generation and hot energy storage combined system and implementation method
CN106439777A (en) Water replenishing and preheating system for back-pressure steam turbine
CN104697239B (en) A kind of new Organic Rankine Cycle cold, heat and power triple supply system of biomass driving
CN103089349B (en) Combined cooling, heating and power device of distributed type industrial boiler
CN101696642B (en) Heat and power cogeneration system using medium or low enthalpy energy source as heat source
CN202349992U (en) System for recovering steam exhaust residual heat of power station and heating boiler feed water by using absorptive heat pump
CN206037000U (en) Back pressure steam turbine moisturizing is heating system in advance
CN206309434U (en) Solar heat and steam power plant's coupled electricity-generation and hot energy storage combined system
CN203271833U (en) Distributed industrial boiler combined cooling, heating and power device
CN107905897A (en) Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system and method
CN202869080U (en) Device for recovering low-pressure steam and cooling water waste heat of waste heat power generation system
CN204574604U (en) The novel Organic Rankine Cycle cold, heat and power triple supply system that a kind of living beings drive
CN107940789A (en) A kind of new cool and thermal power combined generating system based on movable solar energy heat collector
CN103089441B (en) A kind of distributed pneumatic-Rankine combined cycle cold, heat and electricity triple supply device
CN206514282U (en) Drive small machine cold end waste heat comprehensive utilization system in a kind of thermal power plant blower fan vapour Electricity Federation
CN103089354B (en) Steam Rankine-ammonia vapor Rankine combined cycle power generation device
CN202914258U (en) Tower-type solar energy auxiliary thermal power generating system integrating gas and steam
CN206310568U (en) Feed pump turbine low-vacuum-operating circulating water heating system
CN104061030A (en) Waste incineration power plant low temperature flue gas waste heat power generating system
CN208816195U (en) A kind of double pressure ORC electricity generation systems
CN204357507U (en) A kind of steam turbine of thermal power plant bootstrap system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 310006 room 501-34, Lantian business center, Gongshu District, Hangzhou City, Zhejiang Province

Patentee after: ZHEJIANG ZHENENG XINGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd.

Address before: 310006 block g, 9 / F, Baima building, miduqiao Road, Gongshu District, Hangzhou City, Zhejiang Province

Patentee before: ZHEJIANG ZHENENG ENERGY SAVING TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address