CN109441572A - The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system - Google Patents
The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system Download PDFInfo
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- CN109441572A CN109441572A CN201811643585.3A CN201811643585A CN109441572A CN 109441572 A CN109441572 A CN 109441572A CN 201811643585 A CN201811643585 A CN 201811643585A CN 109441572 A CN109441572 A CN 109441572A
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- Prior art keywords
- steam
- condensing
- exhaust
- type small
- turbine
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- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 239000003517 fume Substances 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000000779 smoke Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims description 11
- 239000012716 precipitator Substances 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/38—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating the engines being of turbine type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
-
- 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
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses the joints of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat to utilize system, boiler induced-draft fan is driven using condensing-type small turbine, vapour source comes from the steam extraction of host steam turbine grade, and condensing-type small steam turbine exhaust steam condenses in small machine steam exhaust condenser.Cooling water is driven by condensate pump, the low-pressure heater condensed water entrance pipe in host therrmodynamic system is returned after successively absorbing heat in small machine steam exhaust condenser and boiler exhaust smoke waste-heat utilization system in a series arrangement, is entered smoke gas afterheat heat exchanger after the boosted pump pressurization of the condensed condensed water of condensing-type small turbine steam exhaust and is continued to absorb heat.It drives the driving steam of the condensing-type small turbine of boiler induced-draft fan to realize whole effective uses of energy, completely eliminates cold source energy;The condensing water flow for flowing through low-pressure heater is reduced, so that the extraction flow of six sections, seven sections, eight sections steam extractions of main steam turbine is accordingly reduced, some vapor squeezed is sent into steam turbine acting, and the economy of unit improves.
Description
[technical field]
It lowers consumption field the invention belongs to energy saving for power plants, is related to a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat
Joint utilize system.
[background technique]
The small turbine for driving air-introduced machine, can be divided into back pressure type or pure condensate formula.Traditional pure condensate formula small turbine cold end system
System is similar to wet type cooling unit cold end system, is mainly made of circulation, condensate system and pumped vacuum systems, there are larger
Cold source energy.
It is intended to eliminate this cold source energy, this patent proposes the joint benefit of condensing-type small steam turbine exhaust steam waste heat and fume afterheat
With system, pass through the condensed water absorption small steam turbine exhaust steam waste heat of smoke waste heat utilization system.
[summary of the invention]
It is an object of the invention to overcome the above-mentioned prior art, a kind of condensing-type small steam turbine exhaust steam waste heat is provided
System is utilized with the joint of fume afterheat, which can be realized the complete of condensing-type small turbine driving vapour source energy
Portion utilizes, and eliminates cold source energy, reduces six sections of host, seven sections, eight sections of extraction flows, improves economy.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system, including small machine steam exhaust condenser
It is connected with the cold side input port of condensing-type small turbine, small machine steam exhaust condenser with host therrmodynamic system, cold side outlet port and boiler are arranged
The cold side input port of the smoke gas afterheat heat exchanger of cigarette afterheat utilizing system is connected, and the fume afterheat of boiler exhaust smoke waste-heat utilization system changes
The cold side outlet port of hot device connects host therrmodynamic system;The exhaust end of condensing-type small turbine is connected to the heat of small machine steam exhaust condenser
Side entrance, hot side outlet are connected to the cold side input port of smoke gas afterheat heat exchanger;The shaft and boiler exhaust gas of condensing-type small turbine
The drive shaft of the boiler induced-draft fan of afterheat utilizing system is connected.
A further improvement of the present invention lies in that:
The condensed water for the gland heater that the cold side input port of the small machine steam exhaust condenser is connected to host therrmodynamic system goes out
At mouthful, gland heater condensed water inlet is provided with condensate pump.
The condensation water out of the gland heater is sequentially connected the first low-pressure heater, the second low-pressure heater and
Three low-pressure heaters, the cold side outlet port of smoke gas afterheat heat exchanger are connected between the second low-pressure heater and third low-pressure heater
Pipeline on.
The boiler induced-draft fan is connected by clutch with condensing-type small turbine.
The vacuum pump for extracting incondensable gas in small machine steam exhaust condenser out is connected on the small machine steam exhaust condenser.
Booster is additionally provided on pipeline between the small machine steam exhaust condenser and smoke gas afterheat heat exchanger.
The boiler exhaust smoke waste-heat utilization system includes that sequentially connected air preheater, smoke gas afterheat heat exchanger, electricity remove
Dirt device, boiler induced-draft fan and chimney;Wherein the outlet of air preheater is connected with the hot side entrance of smoke gas afterheat heat exchanger, cigarette
The hot side outlet of gas afterheat heat exchanger is connected with electric precipitator, the outlet and the gas access phase of boiler induced-draft fan of electric precipitator
Even, outlet is connected to the bottom inlet of chimney.
Compared with prior art, the invention has the following advantages:
The present invention realizes the energy of the condensing-type small turbine vapour source of driving boiler induced-draft fan all of wherein one
Divide and boiler induced-draft fan is done work and passed in condensing-type small turbine, remaining exhausted spare heat is returned using condensed water as heat carrier
It receives to host therrmodynamic system;In addition, realizing the effective use of boiler exhaust gas waste heat.From the point of view of the entire thermodynamic cycle of unit, this
Invention realize the condensing-type small turbine vapour source energy of driving boiler induced-draft fan all of and realizing more than boiler exhaust gas
The effective use of heat, improves unit economy.
[Detailed description of the invention]
Fig. 1 is overall structure diagram of the invention.
Wherein: 1- condensate pump;2- gland heater;The first low-pressure heater of 3-;The second low-pressure heater of 4-;5- third
Low-pressure heater;6- air preheater;7- smoke gas afterheat heat exchanger;8- electric precipitator;9- boiler induced-draft fan;10- clutch;
11- condensing-type small turbine;The small machine steam exhaust condenser of 12-;13- vacuum pump;14- booster;15- chimney.
[specific embodiment]
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, the embodiment being not all of, and it is not intended to limit range disclosed by the invention.In addition, with
In lower explanation, descriptions of well-known structures and technologies are omitted, obscures concept disclosed by the invention to avoid unnecessary.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
The various structural schematic diagrams for disclosing embodiment according to the present invention are shown in the attached drawings.These figures are not in proportion
It draws, wherein some details are magnified for the purpose of clear expression, and some details may be omitted.As shown in the figure
The shape in various regions, layer and relative size, the positional relationship between them out is merely exemplary, in practice may be due to
Manufacturing tolerance or technical restriction and be deviated, and those skilled in the art may be additionally designed as required have not
Similar shape, size, the regions/layers of relative position.
In context disclosed by the invention, when one layer/element is referred to as located at another layer/element "upper", the layer/element
Can may exist intermediate layer/element on another layer/element or between them.In addition, if in a kind of court
One layer/element is located at another layer/element "upper" in, then when turn towards when, the layer/element can be located at another layer/
Element "lower".
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to figure, the joint of condensing-type small steam turbine exhaust steam waste heat and fume afterheat of the present invention utilizes system, including small machine
The cold side input port of steam exhaust condenser 12 and condensing-type small turbine 11, small machine steam exhaust condenser 12 is connected with host therrmodynamic system,
Cold side outlet port is connected with the cold side input port of the smoke gas afterheat heat exchanger 7 of boiler exhaust smoke waste-heat utilization system, boiler exhaust gas waste heat benefit
Host therrmodynamic system is connected with the cold side outlet port of the smoke gas afterheat heat exchanger 7 of system;Boiler exhaust smoke waste-heat utilization system include according to
Air preheater 6, smoke gas afterheat heat exchanger 7, electric precipitator 8, boiler induced-draft fan 9 and the chimney 15 of secondary connection;Wherein air
The outlet of preheater 6 is connected with the hot side entrance of smoke gas afterheat heat exchanger 7, and hot side outlet and the electricity of smoke gas afterheat heat exchanger 7 remove
Dirt device 8 is connected, and the outlet of electric precipitator 8 is connected with the gas access of boiler induced-draft fan 9, and the bottom that outlet is connected to chimney enters
Mouthful.The exhaust end of condensing-type small turbine 11 is connected to the hot side entrance of small machine steam exhaust condenser 12, and hot side outlet is connected to cigarette
The cold side input port of gas afterheat heat exchanger 7;The shaft of condensing-type small turbine 11 passes through clutch 10 and boiler exhaust gas UTILIZATION OF VESIDUAL HEAT IN
The drive shaft of the boiler induced-draft fan 9 of system is connected.
The cold side input port of small machine steam exhaust condenser 12 is connected to the condensation water out of the gland heater 2 of host therrmodynamic system
Place, 2 condensed water inlet of gland heater is provided with condensate pump 1.The condensation water out of gland heater 2 is sequentially connected first
Low-pressure heater 3, the second low-pressure heater 4 and third low-pressure heater 5, the cold side outlet port connection of smoke gas afterheat heat exchanger 7
To the pipeline between the second low-pressure heater 4 and third low-pressure heater 5.It is connected on small machine steam exhaust condenser 12 for taking out
Out in small machine steam exhaust condenser 12 incondensable gas vacuum pump 13.Small machine steam exhaust condenser 12 and smoke gas afterheat heat exchanger 7 it
Between pipeline on be additionally provided with booster 14.
The principle of the present invention:
Boiler induced-draft fan is driven using pure condensate formula condensing-type small turbine, and steam exhaust condenses in small machine steam exhaust condenser, cold
But water is the partial coagulation water that host therrmodynamic system axis adds outlet, which is driven by condensate pump, in a series arrangement successively
The third low pressure returned in host therrmodynamic system after absorbing heat in small machine steam exhaust condenser and boiler exhaust smoke waste-heat utilization system adds
Hot device condensed water entrance pipe.The condensed condensed water of condensing-type small steam turbine exhaust steam enters cigarette after condensate booster pump pressurizes
Gas afterheat heat exchanger continues to absorb heat.
The present invention from boss rod add outlet draw partial coagulation water as driving boiler induced-draft fan condensing-type small turbine it is small
The cooling water of machine steam exhaust condenser, is driven by condensate pump, in a series arrangement successively in small machine steam exhaust condenser and boiler exhaust gas
The third low-pressure heater condensed water entrance pipe in host therrmodynamic system is returned after absorbing heat in afterheat utilizing system.Condensing-type is small
The water side entrance pipeline of smoke gas afterheat heat exchanger is imported after the boosted pump pressurization of the condensed condensed water of exhaust steam in steam turbine.
The course of work of the invention:
Boiler induced-draft fan 9 is driven by condensing-type small turbine 11, is connected between the two by clutch 10, the small vapour of condensing-type
The vapour source of turbine 11 is provided by main steam turbine grade steam extraction, and it is solidifying that steam enters small machine steam exhaust after the acting of condensing-type small turbine 11
Vapour device 12 condenses, and vacuum pump 13 is arranged to extract the incondensable gas in small machine steam exhaust condenser 12, small machine steam exhaust condenser 12 out
Cooling water is the partial coagulation water that gland heater 2 exports, and is driven by condensate pump 1, in a series arrangement successively respectively in small machine
Steam exhaust condenser 12 and smoke gas afterheat heat exchanger 7 are back to 5 entrance of third low-pressure heater after absorbing heat.Condensing-type small turbine 11
Enter smoke gas afterheat heat exchanger 7 after boosted 14 pressurization of pump of the condensed condensed water of steam discharge to continue to absorb heat.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (7)
1. the joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system, which is characterized in that including small machine
Steam exhaust condenser (12) and condensing-type small turbine (11), the cold side input port and host therrmodynamic system of small machine steam exhaust condenser (12)
It is connected, cold side outlet port is connected with the cold side input port of the smoke gas afterheat heat exchanger (7) of boiler exhaust smoke waste-heat utilization system, boiler exhaust gas
The cold side outlet port of the smoke gas afterheat heat exchanger (7) of afterheat utilizing system connects host therrmodynamic system;Condensing-type small turbine (11)
Exhaust end be connected to the hot side entrance of small machine steam exhaust condenser (12), hot side outlet is connected to smoke gas afterheat heat exchanger (7)
Cold side input port;The driving of the boiler induced-draft fan (9) of the shaft and boiler exhaust smoke waste-heat utilization system of condensing-type small turbine (11)
Axis is connected.
2. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 1 and fume afterheat utilizes system, special
Sign is that the cold side input port of the small machine steam exhaust condenser (12) is connected to the solidifying of the gland heater (2) of host therrmodynamic system
Exit is born water, gland heater (2) condensed water inlet is provided with condensate pump (1).
3. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 2 and fume afterheat utilizes system, special
Sign is that the condensation water out of the gland heater (2) is sequentially connected the first low-pressure heater (3), the second low-pressure heater
(4) and third low-pressure heater (5), the cold side outlet port of smoke gas afterheat heat exchanger (7) be connected to the second low-pressure heater (4) and
On pipeline between third low-pressure heater (5).
4. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 1 and fume afterheat utilizes system, special
Sign is that the boiler induced-draft fan (9) is connected by clutch (10) with condensing-type small turbine (11).
5. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 1 and fume afterheat utilizes system, special
Sign is, is connected on the small machine steam exhaust condenser (12) for extracting the interior incondensable gas of small machine steam exhaust condenser (12) out
Vacuum pump (13).
6. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 1 or 2 and fume afterheat utilizes system,
It is characterized in that, is additionally provided with booster on the pipeline between the small machine steam exhaust condenser (12) and smoke gas afterheat heat exchanger (7)
(14)。
7. the joint of condensing-type small steam turbine exhaust steam waste heat according to claim 1 or 2 and fume afterheat utilizes system,
It is characterized in that, the boiler exhaust smoke waste-heat utilization system includes sequentially connected air preheater (6), smoke gas afterheat heat exchanger
(7), electric precipitator (8), boiler induced-draft fan (9) and chimney (15);Wherein the outlet of air preheater (6) is changed with fume afterheat
The hot side entrance of hot device (7) is connected, and the hot side outlet of smoke gas afterheat heat exchanger (7) is connected with electric precipitator (8), electric precipitator
(8) outlet is connected with the gas access of boiler induced-draft fan (9), and outlet is connected to the bottom inlet of chimney.
Priority Applications (1)
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CN201811643585.3A CN109441572A (en) | 2018-12-29 | 2018-12-29 | The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system |
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CN201811643585.3A CN109441572A (en) | 2018-12-29 | 2018-12-29 | The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system |
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CN201811643585.3A Pending CN109441572A (en) | 2018-12-29 | 2018-12-29 | The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system |
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CN205245217U (en) * | 2015-12-18 | 2016-05-18 | 中国大唐集团科学技术研究院有限公司 | System is utilized to steam turbine exhaust steam waste heat coupling waste heat of boiler flue gas degree of depth |
CN105889897A (en) * | 2016-01-29 | 2016-08-24 | 中国电力工程顾问集团西北电力设计院有限公司 | Comprehensive recycling system and method of waste heat in thermal power plant |
CN107035445A (en) * | 2017-04-27 | 2017-08-11 | 华电电力科学研究院 | A kind of steam-driven induced draft fan and the united backheat therrmodynamic system of steam air heater |
CN108518253A (en) * | 2018-05-16 | 2018-09-11 | 西安西热节能技术有限公司 | A kind of cogeneration units Saving energy in Steam Turbine heating system |
CN108915806A (en) * | 2018-07-28 | 2018-11-30 | 西安热工研究院有限公司 | It is a kind of width backpressure small turbine band for thermal drivers subsidiary engine system adjust power source system |
CN209308762U (en) * | 2018-12-29 | 2019-08-27 | 西安西热节能技术有限公司 | The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system |
-
2018
- 2018-12-29 CN CN201811643585.3A patent/CN109441572A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205245217U (en) * | 2015-12-18 | 2016-05-18 | 中国大唐集团科学技术研究院有限公司 | System is utilized to steam turbine exhaust steam waste heat coupling waste heat of boiler flue gas degree of depth |
CN105889897A (en) * | 2016-01-29 | 2016-08-24 | 中国电力工程顾问集团西北电力设计院有限公司 | Comprehensive recycling system and method of waste heat in thermal power plant |
CN107035445A (en) * | 2017-04-27 | 2017-08-11 | 华电电力科学研究院 | A kind of steam-driven induced draft fan and the united backheat therrmodynamic system of steam air heater |
CN108518253A (en) * | 2018-05-16 | 2018-09-11 | 西安西热节能技术有限公司 | A kind of cogeneration units Saving energy in Steam Turbine heating system |
CN108915806A (en) * | 2018-07-28 | 2018-11-30 | 西安热工研究院有限公司 | It is a kind of width backpressure small turbine band for thermal drivers subsidiary engine system adjust power source system |
CN209308762U (en) * | 2018-12-29 | 2019-08-27 | 西安西热节能技术有限公司 | The joint of a kind of condensing-type small steam turbine exhaust steam waste heat and fume afterheat utilizes system |
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