CN106439777B - A kind of back pressure turbine moisturizing preheating system - Google Patents
A kind of back pressure turbine moisturizing preheating system Download PDFInfo
- Publication number
- CN106439777B CN106439777B CN201610766742.4A CN201610766742A CN106439777B CN 106439777 B CN106439777 B CN 106439777B CN 201610766742 A CN201610766742 A CN 201610766742A CN 106439777 B CN106439777 B CN 106439777B
- Authority
- CN
- China
- Prior art keywords
- water
- pump
- moisturizing
- outlet
- back pressure
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- 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 present invention provides a kind of back pressure turbine moisturizing preheating system, including absorption heat pump, moisturizing heater, oxygen-eliminating device, high-pressure heater, back pressure turbine, small steam turbine, close chilled water system etc., wherein absorption heat pump includes：Absorber, condenser, evaporator, generator.A kind of back pressure turbine moisturizing preheating system provided by the present invention, the subsidiary engine that can be recycled by absorption heat pump in enclosed cooling water radiates, and under steam drive, heats the boiler replenishing water of back pressure unit, the steam consumption quantity for reducing back pressure turbine increases external evaporation capacity for engine；Meanwhile absorption heat pump closes the water water- to-water heat exchanger of chilled water system instead of original, the equipment such as cooling tower and water circulating pump can shut down spare, reduction power consumption.
Description
Technical field
The utility model is related to steam turbine of thermal power plant therrmodynamic system water charging system, specially a kind of back pressure turbine moisturizing
Preheating system.
Background technology
Centralized heat supply, steam supply can improve energy utilization rate, energy saving.The cogeneration synthesis thermal efficiency of thermal power plant unit
Up to 85%, far above the power generation thermal efficiency of large-scale pure condensate Steam Turbine；The thermal efficiency of the big thermoelecrtic boiler of district boiler room
Up to 80%~90%, and the thermal efficiency of the miniature boiler disperseed only has 50%~60%.Wherein, it is the enterprise in industrial park
Steam supply generally use back pressure steam turbines, i.e. the steam discharge parameter of back pressure machine are concentrated to correspond to the parameter of external steam supply, usually externally
The condensate of steam supply can not recycle, therefore need offer boiler replenishing water in back pressure type steam turbine pusher side, become after again heating moisturizing
It is sent into steam turbine for steam.
First by the heat regenerative system stepped heating of steam turbine, common heating equipment includes moisturizing heating for the moisturizing of boiler
Device or low-pressure heater, oxygen-eliminating device, high-pressure heater, moisturizing enter boiler from heat regenerative system, by economizer, water-cooling wall, mistake
Hot device completes the overheat vaporescence of moisturizing, and superheated steam enters back pressure turbine, and expansion work power generation, steam pressure is in 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.
There are many subsidiary engines and host to be required to cool down water cooling using enclosed in back pressure steam turbines, includes power generation
Machine, feed pump, pressure fan, air-introduced machine etc., enclosed cooling water, will be warm by surface-type heat exchanger after absorbing the heat of subsidiary engine
Amount is transferred to open type cooling water, and usually using cooling tower cooler open type cooling water, the cooling water circulation of a set of subsidiary engine is integrally formed
System.The heat direct emission of this part subsidiary engine enters in environment, is not used appropriately.
For back pressure turbine, it is typically due to that its capacity is smaller, the relatively large pure condensate unit of steam extraction heat regenerative system is more
Simplify, steam extraction series is less, and heat regenerative system is not perfect, in fact it could happen that high temperature steam extraction directly heats the moisturizing of low temperature, therefore having must
Moisturizing preheating is first carried out before moisturizing enters the heat regenerative system of back pressure machine.Meanwhile there is a large amount of cycle in thermal power plant unit
Cooling water heat is not utilized, therefore the water charging system of unit waste heat and back pressure machine is combined, and realizes the preheating of moisturizing, right
The thermal efficiency for further increasing thermal power plant unit has positive meaning.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of back pressure turbine moisturizing preheating system, for recycling
Subsidiary engine enclosed cooling water heat, preheats the moisturizing of back pressure machine.
The technical solution adopted in the utility model is a kind of back pressure turbine moisturizing preheating system, above system packet
Include back pressure machine heat regenerative system, closed cooling water system, moisturizing preheating system.
Back pressure machine heat regenerative system includes the moisturizing heater being sequentially connected, oxygen-eliminating device, feed pump, No. 2 high-pressure heaters, 1
Number high-pressure heater, boiler, back pressure turbine, small steam turbine；
Closed cooling water system includes subsidiary engine cooler, closes water supply pump, cooling tower, water circulating pump, and the parallel connection that backups each other is set
The absorption heat pump set and close cold-water heat exchanger；
Moisturizing preheating system includes the small pump being sequentially connected, absorption heat pump, wherein absorption heat pump further include with
The connected steam pipework of small steam turbine, with the circulating water line that closes chilled water system and be connected.
The utility model is further arranged to, and above-mentioned absorption heat pump includes evaporator, generator, absorber and condensation
Device；Evaporator, import are connected with cold water pump discharge is closed, and outlet is connected with subsidiary engine cooler inlet.Generator, import with it is small
Steam turbine exhaust vent is connected, and exports and is connected with moisturizing heater inlet with after the mixing of the condensator outlet of heat pump；Absorber and cold
Condenser, import are connected with moisturizing pump discharge, and outlet is connected with moisturizing heater inlet.
The utility model is further arranged to, and above-mentioned closed cooling water system includes subsidiary engine cooler, closes cold-water heat exchanger
With close water supply pump, subsidiary engine cooler outlet is connected with cold water pump inlet is closed, and import and absorption heat pump evaporator outlet and closes cold
Water- to-water heat exchanger outlet is connected；Close cold water pump discharge and divide two-way, all the way with close cold-water heat exchanger and be connected, steamed all the way with absorption heat pump
It sends out device import to be connected, import is connected with subsidiary engine heat exchanger exit；Cold-water heat exchanger is closed to close cold water side-entrance and close cold water pump discharge
It is connected, outlet is connected with subsidiary engine cooler inlet, and recirculated cooling water side outlet is connected with cooling tower import, import and water circulating pump
Outlet is connected.
Advantageous effect
Compared with traditional back pressure machine moisturizing heating system, a kind of back pressure turbine moisturizing provided by the utility model is pre-
Heating system, the system can recycle the waste heat in back pressure unit enclosed cooling water, by steam drive, be used for the pre-add of moisturizing
Heat reduces the steam consumption quantity of heating moisturizing, increases external evaporation capacity for engine.The enclosed of original system in addition, the system can also stop transport
Water cooling system, such as cooling tower, open circulation water pump reduce energy consumption, reduce moisture evaporation, have saved water resource.For the back of the body
The moisturizing preheating of pressure type steam turbine provides energy-saving scheme.
Description of the drawings
Fig. 1 is the connection diagram of the utility model.
In figure, 1, boiler；2, back pressure turbine；3, the small turbine of feed pump is driven；4, subsidiary engine cooling water heat exchanger；
5, closed cycle water pump；6, enclosed water- to-water heat exchanger；7, cooling tower；8, water circulating pump；9, absorption heat pump；10, small pump；11、
Moisturizing heater；12, oxygen-eliminating device；13, feed pump；14, No. 2 high-pressure heaters；15, No. 1 high-pressure heater.
Specific implementation mode
Many details are elaborated in the following description in order to fully understand the utility model.But this practicality is new
Type can be much to implement different from other manner described here, and those skilled in the art can be new without prejudice to this practicality
Similar popularization is done in the case of type intension, therefore the utility model is not limited by following public specific embodiment.
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described further.To this reality
It is as follows with the novel component function used：
Embodiment
In the present embodiment, in conjunction with attached drawing, the structure of the utility model is described in detail.
Attached drawing, a kind of back pressure turbine moisturizing preheating system are referred to, boiler circuit includes the moisturizing being sequentially connected
Pump 10, absorption heat pump 9, moisturizing heater 11, oxygen-eliminating device 12, the high-pressure heater of high-pressure heater 14,1 of feed pump 13,2
15, boiler 1, back pressure turbine 2, small steam turbine 3 close chilled water system and include subsidiary engine cooler 4, close water supply pump 5, close cold water heat exchange
Device 6, cooling tower 7, water circulating pump 8, absorption heat pump 9 is in parallel with cold-water heat exchanger 6 is closed, spare mutually.
Above-mentioned heat pump back pressure machine moisturizing preheating system includes as follows：
Absorption heat pump 9 preheats boiler replenishing water, substitutes simultaneously for recycling the waste heat in subsidiary engine cooler 4
Cold-water heat exchanger 6 is closed, so that cooling tower 7 and water circulating pump 8 in open circulation is shut down spare, reduces energy consumption.The drive of heat pump
Dynamic heat source import is connected with the steam drain of small steam turbine 3, and hydrophobic outlet and the moisturizing outlet of generation are mixed into moisturizing heater 11；
The import of heat pump waste heat source is connected with the outlet of closed cold pump 5, and outlet is connected with subsidiary engine cooling water inlet；The working medium import that heat pump is heated
It is connected with 10 outlet of boiler replenishing water pump, outlet is connected with moisturizing heater 11.
Moisturizing heater 11, when the steam discharge of small steam turbine 3 can not be fully utilized in absorption heat pump 9, remaining small steam turbine row
Vapour enters moisturizing heater 11, makes full use of the steam discharge heating boiler moisturizing of small steam turbine.Heater moisturizing import goes out with heat pump 9
Mouth is connected, and outlet is connected with 12 import of oxygen-eliminating device；Steam inlet is connected with 3 steam drain of small steam turbine, hydrophobic outlet and oxygen-eliminating device 12
Import is connected.
As preferred embodiments of the present invention, it is absorption that first kind single-effect type can be used in above-mentioned absorption heat pump 9
Heat pump, Energy Efficiency Ratio (COP) is about 1.8, but dual effect absorption heat pump can be selected to produce chilled water according to actual conditions.
As preferred embodiments of the present invention, the low temperature exhaust heat source of above-mentioned absorption heat pump 9, which can be used directly, to be closed
Formula cooling water or open circulating water etc. are used as waste heat source, but are not limited to above two waste heat, the waste heat of any harmless stabilization
Waste heat source as this system.
Before implementation, detection is needed to obtain rate of water make-up of the back pressure unit under Various Seasonal, load, moisturizing temperature, close cold water
The operating parameters such as system heat exchange amount (i.e. subsidiary engine heat dissipation capacity) or the temperature of recirculated cooling water.According to the parameter of acquisition, to absorption
Heat pump is designed type selecting, checks former heating and circulation.When it is implemented, 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, in the control system of the former back pressure machine of control system access, to steam
Control is adjusted in consumption, quantity of circulating water, the former operating status for closing cold water open circulation water system.Moisturizing heater, to utilize
Surface-type or hybrid etc. can be used in the equipment of the small steam turbine steam discharge heating boiler moisturizing of back pressure unit steam feed pump, heater
Form, hydrophobic to enter in oxygen-eliminating device according to surface heater, 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 small steam turbine
Gland steam exhauster is connected, hydrophobic to be connected with oxygen-eliminating device import.
Oxygen-eliminating device is the heating power type deaerating plant of boiler replenishing water, and heat source uses the steam discharge of back pressure turbine, i.e., externally
The parameter of steam supply, in addition, 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 of moisturizing heater outlet, and steam inlet is connected with back pressure machine steam drain,
Moisturizing outlet is connected with high-pressure heater outlet
High-pressure heater is that the moisturizing by oxygen-eliminating device after feed pump pressurizes further utilizes back pressure machine steam discharge and steam extraction
Equipment, its usual heat source uses back pressure machine steam discharge and steam extraction at different levels, hydrophobic by the way of flowing automatically step by step.What No. 1 height added goes out
Mouthful be connected with boiler inlet, No. 2 height add moisturizing import to be connected with the water supply pump discharge that oxygen-eliminating device exports, steam inlet respectively with the back of the body
Press steam extraction is connected with exhaust vent.
Above-mentioned closed cooling water system includes as follows：
Enclosed cooling water heat exchanger is changed from the equipment of each subsidiary engine absorption heat closed cold water and cooled down by surface-type
Heat is transferred to from cold water is closed in open circulating water by heat, and cold water temperature is closed in reduction.It closes cold water side-entrance and is pumped out with closed-up water
Mouthful be connected, outlet be connected with cooled subsidiary engine cooling water inlet, open circulation water entrance respectively with open circulation exit of pump
It is connected with cooling tower import.
Enclosed water pump is the pressurized equipment for closing cold water for overcoming crushing in entire cycle.Its import with it is cooled auxiliary
The cooling water outlet of machine is connected, and exports and closes cold-water heat exchanger import and be connected.
The cooler and corollary equipment of each subsidiary engine are changed from closing in circulating chilled water main pipe to shunt cooling water and enter the cooling of subsidiary engine
Hot device, return water, which enters, closes cold-water return main pipe, in addition, further including the corollary equipments such as moisturizing, blowdown in closed water system.
Open circulation water system is to transfer heat to enclosed cooling water heat exchanger heat in environment by cooling tower
Equipment is furnished with open circulation water pump.
Above-mentioned moisturizing preheating system includes as follows：
Absorption heat pump, including four absorber, evaporator, condenser, generator heat exchangers, by recycling enclosed cooling
Waste heat in water preheats boiler replenishing water under the action of driving steam.Its evaporator and close cold water pump discharge
It is connected, evaporator outlet is connected with subsidiary engine cooling water inlet, and in parallel, generator import and small steam turbine are formed with cold-water heat exchanger is closed
Exhaust vent be connected, outlet it is hydrophobic is connected with condensator outlet, absorber import is connected with moisturizing pump discharge, condensator outlet and
Moisturizing heater inlet is connected.
Above-mentioned back pressure machine heat regenerative system includes as follows：
Moisturizing heater, using the equipment of the small steam turbine steam discharge heating boiler moisturizing of back pressure unit steam feed pump, to add
Surface-type or the forms such as hybrid can be used in hot device, hydrophobic to enter in oxygen-eliminating device according to surface heater, usually mend
The water temperature of water heater is 90~110 DEG C.Its moisturizing import is connected with the condenser of absorption heat pump, outlet and oxygen-eliminating device import
It is connected, heating steam inlet is connected with small turbine exhaust steam duct, hydrophobic to be connected with oxygen-eliminating device import.
Oxygen-eliminating device is the heating power type deaerating plant of boiler replenishing water, and heat source uses the steam discharge of back pressure turbine, i.e., externally
The parameter of steam supply, in addition, 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 of moisturizing heater outlet, and steam inlet is connected with back pressure machine steam drain,
Moisturizing outlet is connected with high-pressure heater outlet
High-pressure heater is that the moisturizing by oxygen-eliminating device after feed pump pressurizes further utilizes back pressure machine steam discharge and steam extraction
Equipment, its usual heat source uses back pressure machine steam discharge and steam extraction at different levels, hydrophobic by the way of flowing automatically step by step.What No. 1 height added goes out
Mouthful be connected with boiler inlet, No. 2 height add moisturizing import to be connected with the water supply pump discharge that oxygen-eliminating device exports, steam inlet respectively with the back of the body
Press steam extraction is connected with exhaust vent.
Above-mentioned closed cooling water system includes as follows：
Enclosed cooling water heat exchanger is changed from the equipment of each subsidiary engine absorption heat closed cold water and cooled down by surface-type
Heat is transferred to from cold water is closed in open circulating water by heat, and cold water temperature is closed in reduction.It closes cold water side-entrance and is pumped out with closed-up water
Mouthful be connected, outlet be connected with cooled subsidiary engine cooling water inlet, open circulation water entrance respectively with open circulation exit of pump
It is connected with cooling tower import.
Enclosed water pump is the pressurized equipment for closing cold water for overcoming crushing in entire cycle.Its import with it is cooled auxiliary
The cooling water outlet of machine is connected, and exports and closes cold-water heat exchanger import and be connected.
The cooler and corollary equipment of each subsidiary engine are changed from closing in circulating chilled water main pipe to shunt cooling water and enter the cooling of subsidiary engine
Hot device, return water, which enters, closes cold-water return main pipe, in addition, further including the corollary equipments such as moisturizing, blowdown in closed water system.
Open circulation water system is to transfer heat to enclosed cooling water heat exchanger heat in environment by cooling tower
Equipment is furnished with open circulation water pump.
Above-mentioned moisturizing preheating system includes as follows：
Absorption heat pump, including four absorber, evaporator, condenser, generator heat exchangers, by recycling enclosed cooling
Waste heat in water preheats boiler replenishing water under the action of driving steam.Its evaporator and close cold water pump discharge
It is connected, evaporator outlet is connected with subsidiary engine cooling water inlet, and in parallel, generator import and small steam turbine are formed with cold-water heat exchanger is closed
Exhaust vent be connected, outlet it is hydrophobic is connected with condensator outlet, absorber import is connected with moisturizing pump discharge, condensator outlet and
Moisturizing heater inlet is connected.
Claims (3)
1. a kind of back pressure turbine moisturizing preheating system, which is characterized in that the system comprises back pressure machine heat regenerative system, close
Formula cooling water system, moisturizing preheating system；
Back pressure machine heat regenerative system includes the moisturizing heater (11) being sequentially connected, oxygen-eliminating device (12), feed pump (13), No. 2 high pressures
Heater (14), No. 1 high-pressure heater (15), boiler (1), back pressure turbine (2), small steam turbine (3)；
Closed cooling water system includes subsidiary engine cooler (4), closes water supply pump (5), cooling tower (7), water circulating pump (8), standby each other
The absorption heat pump (9) and close cold-water heat exchanger (6) that part is arranged in parallel；
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, which is characterized in that
Absorption heat pump (9) includes evaporator, generator, absorber and condenser；Evaporator, import and closes water supply pump (5)
Outlet is connected, and outlet is connected with subsidiary engine cooler (4) import；
Generator, import are connected with small steam turbine (3) exhaust vent, and outlet adds after being mixed with the condensator outlet of heat pump with moisturizing
Hot device (11) import is connected；Absorber and condenser, import are connected with small pump (10) outlet, outlet and moisturizing heater
(11) import is connected.
3. a kind of back pressure turbine moisturizing preheating system according to claim 1, which is characterized in that the enclosed is cold
But water system includes subsidiary engine cooler (4), closes cold-water heat exchanger (6) and close water supply pump (5), subsidiary engine cooler outlet and closes cold water
Pump inlet is connected, and import and absorption heat pump (9) evaporator outlet and closes cold-water heat exchanger and exports and be connected；Close cold water pump discharge point
Two-way, all the way with close cold-water heat exchanger and be connected, be connected all the way with absorption heat pump (9) evaporator, import exchanges heat with subsidiary engine
Device outlet is connected；It closes cold-water heat exchanger and closes cold water side-entrance and be connected with cold water pump discharge is closed, outlet and subsidiary engine cooler inlet phase
Even, recirculated cooling water side outlet is connected with cooling tower (7) import, and import is connected with water circulating pump outlet.
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 CN106439777A (en) | 2017-02-22 |
| CN106439777B true 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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114777104B (en) * | 2022-04-13 | 2024-03-29 | 清华大学 | Superheated steam system and pressurized water reactor |
Citations (8)
| 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 |
-
2016
- 2016-08-31 CN CN201610766742.4A patent/CN106439777B/en active Active
Patent Citations (8)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439777A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202381129U (en) | Power supplying system | |
| CN106765448A (en) | A kind of energy-saving heating system for reducing heat supply return water temperature | |
| CN106439777B (en) | A kind of back pressure turbine moisturizing preheating system | |
| KR100984831B1 (en) | Cooling and heating system in each household using heat sources from combined heat and power(chp) and district heating | |
| CN101696642B (en) | Heat and power cogeneration system using medium or low enthalpy energy source as heat source | |
| CN202521938U (en) | Heat pump system and drying system | |
| CN104697239B (en) | A kind of new Organic Rankine Cycle cold, heat and power triple supply system of biomass driving | |
| CN107905897A (en) | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system and method | |
| CN101968236A (en) | System for realizing combined heating based on extraction steam for heating and lithium bromide unit | |
| CN207716527U (en) | A kind of hot water Optimization of Energy Saving system | |
| CN101701537B (en) | Thermoelectricity coproduction system using energy with low/medium enthalpy 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 | |
| CN201779751U (en) | Heating system combining lithium bromide machine set with heating steam bleeding | |
| CN204574604U (en) | The novel Organic Rankine Cycle cold, heat and power triple supply system that a kind of living beings drive | |
| CN208282663U (en) | A kind of nuclear steam turbine group circulating water waste heat utilization | |
| CN206037000U (en) | Back pressure steam turbine moisturizing is heating system in advance | |
| CN213396620U (en) | Cement waste heat power generation circulating water system | |
| CN208816195U (en) | A kind of double pressure ORC electricity generation systems | |
| CN211676329U (en) | Heat pump system and evaporation concentration system with same | |
| CN107191992A (en) | A kind of air compression station heat recovery cyclic utilization system | |
| CN209386263U (en) | A kind of solid heat reservoir of auxiliary heating | |
| CN202303589U (en) | Prefabricated radiant heating system with overall consideration of heating, air conditioning and sanitary hot water | |
| CN208186478U (en) | Domestic garbage burning electricity generation low-temperature circulating water heating system | |
| CN207179770U (en) | A kind of Combined Cycle Unit Gateway Station in Heating Network system based on SSS clutches | |
| CN101701534B (en) | Heat and power cogeneration system by utilizing middle-low enthalpy energy |
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 |