CN113431654A - Condensation heat recycling device and working method thereof - Google Patents
Condensation heat recycling device and working method thereof Download PDFInfo
- Publication number
- CN113431654A CN113431654A CN202110597037.7A CN202110597037A CN113431654A CN 113431654 A CN113431654 A CN 113431654A CN 202110597037 A CN202110597037 A CN 202110597037A CN 113431654 A CN113431654 A CN 113431654A
- Authority
- CN
- China
- Prior art keywords
- steam
- condenser
- cooling water
- pump
- condensation
- 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.)
- Pending
Links
- 238000009833 condensation Methods 0.000 title claims abstract description 51
- 230000005494 condensation Effects 0.000 title claims abstract description 51
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/005—Using steam or condensate extracted or exhausted from steam engine plant by means of a heat pump
-
- 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
- F01K17/06—Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant
Abstract
The invention provides a condensation heat recycling device and a working method thereof, wherein the condensation heat recycling device comprises a steam turbine, a condenser, a circulating cooling water system, a condensate pump, a high-temperature heat pump, a high-low pressure heater and a boiler, the steam turbine discharges steam into the condenser, the condenser is divided into two paths, one path of the condenser forms a loop through the circulating cooling water system and the high-temperature heat pump and is used for condensing the steam to form condensate water and absorbing condensation heat by the high-temperature heat pump, and the other path of the condenser forms a loop through the condensate pump, the high-temperature heat pump, the high-low pressure heater, the boiler and the steam turbine in sequence and is used for heating the condensate water left at the bottom of the condenser by the condensation heat in the high-temperature heat pump. The invention has simple structure and reasonable design, is beneficial to recycling the condensation heat, reduces the coal consumption of power generation of a thermal power plant and improves the energy utilization rate.
Description
Technical Field
The invention relates to a condensation heat recycling device and a working method thereof.
Background
The largest efficiency loss in the thermal power plant is the steam turbine steam exhaust heat loss, and at present, more than 40% of heat in modern large thermal power plants is discharged into the atmosphere through a water cooling tower and an air cooling island or into the river and the sea through circulating cooling water to form huge cold end loss, which causes the main reasons that the power generation coal consumption is high and the energy use efficiency is low. The heat of condensation of the thermal power plant is evacuated, it is the ubiquitous problem in our country and even the world, only some small-scale thermal power plants at present adopt the condensation heat in the absorption heat pump technology steam turbine exhaust, heat the return water of 50-60 deg.C to 80-90 deg.C, reuse the heat exchanger to raise the water temperature to the water supply temperature of the heat supply network, to the city central heating. The technology is only suitable for small thermal power plants, and most of large thermal power plants in the world only supply power and do not supply heat, so the technology is not popularized.
Disclosure of Invention
The invention improves the problems, namely the invention provides a condensation heat recycling device and a working method thereof, which can recycle condensation heat, reduce power generation medium consumption of a thermal power plant and improve energy utilization rate.
The steam turbine discharges steam into the condenser, the condenser is divided into two paths, one path of the condenser passes through the circulating cooling water system and the high-temperature heat pump to form a loop for condensing the steam to form condensed water and absorbing condensation heat by the high-temperature heat pump, and the other path of the condenser sequentially passes through the condensed water pump, the high-temperature heat pump, the high-low pressure heater, the boiler and the steam turbine to form a loop for heating the condensed water left at the bottom of the condenser by the condensation heat in the high-temperature heat pump.
Furthermore, recirculating cooling water system is including being used for the cooling circulation pump that the cooling water circulation flows, be equipped with two cooling water branch roads between condenser and the high temperature heat pump for form the closed.
Furthermore, a drain pipeline is arranged between the high-low pressure heater and the condenser.
Furthermore, an exhaust pipeline is arranged between the steam turbine and the condenser, an extraction pipeline is arranged between the steam turbine and the high-low pressure heater, and an inlet pipeline is arranged between the boiler and the steam turbine.
Furthermore, a cooling water bypass is arranged between the two cooling water branches, and a condensed water bypass is arranged between the condensed water pump and the high-low pressure heater.
Furthermore, a titanium pipe in contact with exhaust steam of the steam turbine is arranged in the condenser, cooling water flows through the titanium pipe, steam flows out of the titanium pipe, and the titanium pipe is used for condensing the steam into condensed water and storing the condensed water at the bottom of the condenser.
Further, the working method of the condensation heat recycling device comprises the following steps: (1) the steam is discharged into a condenser after the work of a steam turbine is done, low-temperature cooling water is pumped into a titanium pipe of the condenser by a circulating cooling water pump, the cooling water absorbs the condensation heat of the steam discharged into the condenser and becomes high-temperature cooling water, and the steam becomes condensation water and is left at the bottom of the steam generator; (2) because the circulating cooling water system is a closed system, circulating cooling water absorbs heat from the condenser and then is pumped into the high-temperature heat pump through the circulating cooling water pump, the high-temperature heat pump is used for absorbing condensation heat in the cooling water, the circulating cooling water enters the condenser again after being cooled to cool steam and absorb the condensation heat, and the circulation is carried out continuously; (3) the condensed water left at the bottom of the condenser is pumped into a high-temperature heat pump through a condensed water pump, the condensed water at the temperature of 30-40 ℃ is heated to the temperature of 80-90 ℃ by the high-temperature heat pump by recycling the condensation heat, and the condensed water is heated by a high-low pressure heater and then enters a boiler to be heated into steam at the temperature of more than 600 ℃; (4) and the steam circularly enters the steam turbine to do work, the steam is discharged into the condenser again, and is cooled again into condensed water through the circulating cooling water system, and the working process is repeated to realize the production circulation. (5) When the condensed water enters the high-low pressure heater, a small part of high-temperature steam is extracted by the steam turbine to further heat the condensed water, and the utilized steam becomes hydrophobic and enters the condenser through the hydrophobic pipeline.
Compared with the prior art, the invention has the following beneficial effects: the high-temperature water source heat pump greatly expands the application field of the heat pump, can directly recycle low-grade residual (waste) heat resources at 20-55 ℃, can produce hot water at 65-95 ℃, is used for heating, crude oil heating, industrial heat preservation, production heat and other fields, replaces fuel oil, gas and coal-fired boilers, can save a large amount of primary energy, and has very good energy-saving and environment-friendly benefits.
Steam discharged by a steam turbine of a power plant is discharged into a condenser, the steam is changed into condensed water after being cooled by a circulating cooling water system, the temperature of the steam and the temperature of the condensed water are not changed to be about 32 ℃, meanwhile, a large amount of condensation heat is released from a steam state to be a liquid state and is taken away by the circulating cooling water, the condensation heat in the cooling water is absorbed by a high-temperature heat pump, the condensed water is heated to a certain temperature by the condensation heat in the high-temperature heat pump, the condensed water is heated into high-temperature steam with the temperature of more than 600 ℃ by a low-pressure heater and a high-low pressure heater after being heated, the high-temperature steam is discharged into the condenser to be condensed water after being returned to the steam turbine to do work again, and the condensed water is infinitely circularly driven by the steam turbine to drive a generator to generate electricity. The technology can be applied to all thermal power plants, realizes the complete recycling of the condensation heat of the thermal power plants, and overcomes the defect that other technologies are not popular.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: the method comprises the following steps of 1-a steam turbine, 2-a condenser, 21-a titanium pipe, 3-a condensate pump, 4-a high-temperature heat pump, 5-a high-low pressure heater, 6-a boiler, 7-a circulating cooling water system, 71-a cooling circulating pump, 72-a cooling water branch, 73-a cooling water bypass, 8-a drain pipeline, 9-a steam exhaust pipeline, 10-a steam extraction pipeline, 11-a steam inlet pipeline and 12-a condensate bypass.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example (b): as shown in fig. 1, a condensation heat recycling device is provided, which includes a steam turbine 1, a condenser 2, a circulating cooling water system 7, a condensate pump 3, a high temperature heat pump 4, a high and low pressure heater 5 and a boiler 6, wherein the steam turbine discharges steam into the condenser, the condenser is divided into two paths, one path of the steam forms a loop through the circulating cooling water system and the high temperature heat pump, and is used for condensing the steam to form condensate water and absorbing condensation heat by the high temperature heat pump, and the other path of the steam forms a loop through the condensate pump, the high temperature heat pump, the high and low pressure heater, the boiler and the steam turbine in sequence, and is used for heating the condensate water left at the bottom of the condenser by the condensation heat in the high temperature heat.
The condenser is used for cooling discharged steam into cooling water, a titanium pipe 21 which is in contact with exhaust steam of a steam turbine is arranged in the condenser, the cooling water flows through the titanium pipe, and the steam flows out of the titanium pipe and is used for condensing the steam into condensed water to be stored at the bottom of the condenser.
The condensed water pump is used for pumping out the condensed water at the bottom of the condenser, then pumping the condensed water into the high-temperature heat pump and the high-low pressure heater in sequence to heat the condensed water, and finally feeding the condensed water into the boiler.
The high-temperature heat pump is used for absorbing condensation heat carried in cooling water and then heating the condensation water.
The high-low pressure heater belongs to a steam-water heat exchanger and is used for extracting a small part of high-temperature steam in a steam turbine to heat condensed water.
The boiler heats the condensed water into high-temperature steam.
The steam turbine is used for providing power for the generator by the driving device, the rotation of the steam turbine depends on high-temperature steam to enter work to rotate the steam turbine, and the steam after the work is done is discharged into the condenser.
The circulating cooling water system 7 includes a cooling circulating pump 71, two cooling water branches 72 are provided between the condenser and the high temperature heat pump to form a closed type, and the cooling circulating pump is located on one of the cooling water branches.
The cooling circulating pump is used for circulating flow of cooling water, the cooling water is closed and serves as a heat-carrying medium, a titanium pipe entering the condenser absorbs condensation heat, the temperature rises, the titanium pipe enters the high-temperature heat pump, the condensation heat is absorbed by the high-temperature heat pump to achieve cooling of the circulating cooling water, and then the circulating cooling water enters the condenser to absorb the condensation heat.
In this embodiment, a drain line 8 is provided between the high-low pressure heater and the condenser.
In this embodiment, an exhaust pipeline 9 is provided between the steam turbine and the condenser, an extraction pipeline 10 is provided between the steam turbine and the high-low pressure heater, and an inlet pipeline 11 is provided between the boiler and the steam turbine.
In the present embodiment, a cooling water bypass 73 is provided between the two cooling water branches 72, and a condensed water bypass 12 is provided between the condensed water pump and the high-low pressure heater.
In the embodiment, when the steam turbine works, steam is discharged into the condenser after the steam turbine works, the circulating cooling water pump pumps low-temperature cooling water into a titanium pipe of the condenser, the cooling water absorbs the condensation heat of the steam discharged into the condenser and becomes high-temperature cooling water, and at the moment, the steam becomes condensed water and is left at the bottom of the steam generator; the circulating cooling water system is a closed system, circulating cooling water absorbs heat from the condenser and then is pumped into the high-temperature heat pump through the circulating cooling water pump, the high-temperature heat pump is used for absorbing condensation heat in the cooling water, the circulating cooling water enters the condenser again after being cooled to cool steam and absorb the condensation heat, and the circulation is carried out continuously;
the condensed water left at the bottom of the condenser is pumped into a high-temperature heat pump through a condensed water pump, the condensed water at the temperature of 30-40 ℃ is heated to the temperature of 80-90 ℃ by the high-temperature heat pump by recycling the condensation heat, the condensed water is heated by a high-low pressure heater and then enters a boiler to be heated into steam at the temperature of more than 600 ℃, the steam circularly enters a steam turbine to do work, the steam is discharged into the condenser again to be cooled into the condensed water through a circulating cooling water system, and the production cycle is realized by repeating the working process.
In the process, a steam turbine extracts a small part of high-temperature steam through a steam extraction pipeline to further heat the condensed water, and the steam after utilization is changed into drained water and enters a condenser through a drainage pipeline.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a condensation heat recycle device, its characterized in that, includes steam turbine, condenser, recirculating cooling water system, condensate pump, high temperature heat pump, high low pressure feed water heater and boiler, the steam turbine is to the steam of discharging in the condenser, the condenser divide into two the tunnel, wherein form the return circuit through recirculating cooling water system, high temperature heat pump all the way for form the condensate water with steam condensation and utilize high temperature heat pump to absorb the heat of condensation, another way forms the return circuit through condensate pump, high temperature heat pump, high low pressure feed water heater, boiler and steam turbine in proper order, is used for utilizing the heat of condensation in the high temperature heat pump to heat the condensate water that will stay in the condenser bottom.
2. The condensation heat recycling device of claim 1, wherein the circulating cooling water system comprises a cooling circulating pump for circulating cooling water, and two cooling water branches are arranged between the condenser and the high temperature heat pump to form a closed type.
3. The condensation heat recycling device according to claim 1, wherein a drain line is provided between the high-low pressure heater and the condenser.
4. The condensation heat recycling device according to claim 1, wherein a steam exhaust pipeline is provided between the steam turbine and the condenser, a steam extraction pipeline is provided between the steam turbine and the high and low pressure heaters, and a steam inlet pipeline is provided between the boiler and the steam turbine.
5. The condensation heat recycling device according to claim 2, wherein a cooling water bypass is provided between the two cooling water branches, and a condensed water bypass is provided between the condensed water pump and the high-low pressure heater.
6. The device for recycling condensation heat according to claim 4, wherein a titanium pipe is arranged inside the condenser and is in contact with the exhaust steam of the steam turbine, cooling water flows through the titanium pipe, and steam flows out of the titanium pipe to condense the steam into condensed water which is stored at the bottom of the condenser.
7. An operating method using the condensation heat recovery and utilization apparatus according to any one of claims 1 to 6, comprising the steps of: (1) the steam is discharged into a condenser after the work of a steam turbine is done, low-temperature cooling water is pumped into a titanium pipe of the condenser by a circulating cooling water pump, the cooling water absorbs the condensation heat of the steam discharged into the condenser and becomes high-temperature cooling water, and the steam becomes condensation water and is left at the bottom of the steam generator; (2) because the circulating cooling water system is a closed system, circulating cooling water absorbs heat from the condenser and then is pumped into the high-temperature heat pump through the circulating cooling water pump, the high-temperature heat pump is used for absorbing condensation heat in the cooling water, the circulating cooling water enters the condenser again after being cooled to cool steam and absorb the condensation heat, and the circulation is carried out continuously; (3) the condensed water left at the bottom of the condenser is pumped into a high-temperature heat pump through a condensed water pump, the condensed water at the temperature of 30-40 ℃ is heated to the temperature of 80-90 ℃ by the high-temperature heat pump by recycling the condensation heat, and the condensed water is heated by a high-low pressure heater and then enters a boiler to be heated into steam at the temperature of more than 600 ℃; (4) the steam circularly enters a steam turbine to do work, the steam is discharged into a condenser again, and is cooled again into condensed water through a circulating cooling water system, and the working process is repeated to realize the production circulation; (5) when the condensed water enters the high-low pressure heater, a small part of high-temperature steam is extracted by the steam turbine to further heat the condensed water, and the utilized steam becomes hydrophobic and enters the condenser through the hydrophobic pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597037.7A CN113431654A (en) | 2021-05-31 | 2021-05-31 | Condensation heat recycling device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597037.7A CN113431654A (en) | 2021-05-31 | 2021-05-31 | Condensation heat recycling device and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113431654A true CN113431654A (en) | 2021-09-24 |
Family
ID=77803338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110597037.7A Pending CN113431654A (en) | 2021-05-31 | 2021-05-31 | Condensation heat recycling device and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113431654A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608829A (en) * | 1984-01-05 | 1986-09-02 | Hisaka Works, Ltd. | Waste heat recovering device |
| US20100287934A1 (en) * | 2006-08-25 | 2010-11-18 | Patrick Joseph Glynn | Heat Engine System |
| CN102997224A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recycle system |
| 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 |
| CN103912908A (en) * | 2013-01-06 | 2014-07-09 | 孙霆 | Power station condensation heat recycling system and method |
| 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 |
| CN204678472U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of system of waste heat for heating reclaiming circulating cooling water of power plant |
| CN204691833U (en) * | 2015-05-28 | 2015-10-07 | 华北电力科学研究院(西安)有限公司 | A kind of circulating water afterheat utilized device |
-
2021
- 2021-05-31 CN CN202110597037.7A patent/CN113431654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608829A (en) * | 1984-01-05 | 1986-09-02 | Hisaka Works, Ltd. | Waste heat recovering device |
| US20100287934A1 (en) * | 2006-08-25 | 2010-11-18 | Patrick Joseph Glynn | Heat Engine System |
| CN102997224A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recycle system |
| CN103912908A (en) * | 2013-01-06 | 2014-07-09 | 孙霆 | Power station condensation heat recycling system and method |
| 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 |
| CN204678472U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of system of waste heat for heating reclaiming circulating cooling water of power plant |
| CN204691833U (en) * | 2015-05-28 | 2015-10-07 | 华北电力科学研究院(西安)有限公司 | A kind of circulating water afterheat utilized device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110469835B (en) | Thermoelectric decoupling system based on absorption heat pump and heat storage equipment and operation method | |
| CN111022137B (en) | Waste heat recovery system and method based on organic Rankine cycle and organic flash cycle | |
| CN214741518U (en) | Supercritical carbon dioxide energy storage power generation system coupled with coal electric machine set | |
| CN108561282B (en) | Trough type direct steam and molten salt combined thermal power generation system | |
| CN101852459B (en) | System for improving efficiency of power plant by driving heat pump with steam extracted from extraction steam turbine | |
| CN101638998B (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN108036384A (en) | A kind of energy source station system and operation method based on thermoelectricity unit steam extraction | |
| CN104929709A (en) | Solar moist air circulating electricity-water cogeneration system | |
| US7827792B2 (en) | Refrigerant cooled main steam condenser binary cycle | |
| CN101968236A (en) | System for realizing combined heating based on extraction steam for heating and lithium bromide unit | |
| CN114856948A (en) | Supercritical carbon dioxide Brayton combined cycle solar power generation system | |
| CN101806448A (en) | Application of second type absorption type heat pump in heat exchange cycle system of power plant | |
| CN102620478A (en) | Method and device for improving thermal circulation efficiency | |
| CN110925041B (en) | Combined cycle high-efficiency coal-fired power generation system | |
| CN107270373A (en) | One kind is classified cascade utilization heating system of drawing gas | |
| CN110567190B (en) | Vapor compression type absorption heat pump | |
| CN110318961B (en) | Steam turbine set of power station and power generation method thereof | |
| CN201779765U (en) | System capable of improving effectiveness of power plant by using steam extracted by extraction steam turbine to drive heat pump | |
| CN201779751U (en) | Heating system combining lithium bromide machine set with heating steam bleeding | |
| CN101788141B (en) | Application of absorption type heat regenerator in regenerative circulation system of power plant | |
| CN215217241U (en) | Condensation heat recycling device | |
| CN102809144A (en) | Device and method for using two-stage jet absorption heat pump to improve thermal cycle efficiency | |
| CN202253581U (en) | Energy-saving softened water heating device for thermal power plant | |
| CN113431654A (en) | Condensation heat recycling device and working method thereof | |
| CN110567189B (en) | Vapor compression type absorption heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210924 |
|
| RJ01 | Rejection of invention patent application after publication |