CN106439777A - Water replenishing and preheating system for back-pressure steam turbine - Google Patents
Water replenishing and preheating system for back-pressure steam turbine Download PDFInfo
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- 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
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- water
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- moisturizing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, 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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, 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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/003—Feed-water heater systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, 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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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
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.
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| CN201610766742.4A CN106439777B (en) | 2016-08-31 | 2016-08-31 | A kind of back pressure turbine moisturizing preheating system |
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| CN201610766742.4A CN106439777B (en) | 2016-08-31 | 2016-08-31 | A kind of back pressure turbine moisturizing preheating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN114777104A (en) * | 2022-04-13 | 2022-07-22 | 清华大学 | Superheated steam system and pressurized water reactor |
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| CN114777104B (en) * | 2022-04-13 | 2024-03-29 | 清华大学 | Superheated steam system and pressurized water reactor |
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