CN110529838A - A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater - Google Patents
A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater Download PDFInfo
- Publication number
- CN110529838A CN110529838A CN201910933643.4A CN201910933643A CN110529838A CN 110529838 A CN110529838 A CN 110529838A CN 201910933643 A CN201910933643 A CN 201910933643A CN 110529838 A CN110529838 A CN 110529838A
- Authority
- CN
- China
- Prior art keywords
- pressure heater
- supply line
- hydrophobic
- draining system
- 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.)
- Pending
Links
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater, which belongs to draining system field.The two-shipper backheat draining system based on the small bypass of high-pressure heater is additionally arranged leapfrog hydrophobic pipeline between the hydrophobic pipeline and oxygen-eliminating device on traditional two-shipper backheat draining system between any two high-pressure heater.Purpose disclosed by the invention is to solve the unstable operating condition of system caused by the partial high pressure heater that traditional two-shipper backheat draining system is likely to occur during the work time breaks down.When partial high pressure heater exits, residual high pressure heater condensate can be delivered to oxygen-eliminating device by leapfrog hydrophobic pipeline, more energy saving than not increasing hydrophobic system of bypassing the immediate leadership.
Description
Technical field
The present invention relates to a kind of draining system fields, more particularly to a kind of two-shipper backheat draining system.
Background technique
With the lasting promotion of material at high temperature performance, the steam parameter of Thermal generation unit is continuously improved, higher to obtain
Cycle efficieny, further decrease the coal consumption of unit, reduce greenhouse gases and other pollutant emissions.Steam parameter is improved, is
Improve most one of direct way of electricity generation system cycle efficieny.But with the raising of steam parameter, the regenerative steam degree of superheat increases
Greatly, vapour side and water side heat exchange irreversible loss increase in bleeder heater, reduce steam parameter and increase bring income, steam
Parameter is higher, this contradiction is more prominent.
For this problem, conventional solution is that part regenerative steam adds externally arranged steam cooler at present, is come
Reduce the degree of superheat of regenerative steam.Another method is exactly to use special therrmodynamic system structure --- two-shipper heat regenerative system, this
The heat exchange degree of superheat of regenerative steam after reheating can be greatly reduced in method, can greatly improve regenerative steam energy level utilization efficiency.
Current large capacity High Pressure Heater in Thermal Power Station is normally hydrophobic, generally by the way of flowing automatically step by step, eventually enters into deoxygenation
Device；Accident is hydrophobic, is discharged into hydrophobic development unit, subsequently into condenser.For part two-shipper heat regenerative system, using what is flow automatically step by step
Mode carries out, and has the following problems:
1, after partial high pressure heater exits, residual high pressure heater is still being run, hydrophobic to enter hydrophobic development unit.Due to
The characteristics of two-shipper heat regenerative system, high-pressure heater steam extraction amount is big, hydrophobic amount is big, and hydrophobic development unit volume is big, and manufacturing cost is high, existing
Field device difficult arrangement.
2, two-shipper heat regenerative system, extraction temperature is low, is heated to identical feed temperature relative to non-two-shipper heat regenerative system, takes out
Vapour amount is big, and the hydrophobic amount of high-pressure heater is big, the hydrophobic heat for bringing oxygen-eliminating device into of high-pressure heater and entrance oxygen-eliminating device total amount of heat
Accounting is much larger than non-two-shipper heat regenerative system.After partial high pressure heater exits, oxygen-eliminating device without the hydrophobic entrance of high-pressure heater, this
When enter the steam extraction amount of oxygen-eliminating device and can increase considerably, oxygen-eliminating device and its extraction line may vibrate；The small steam turbine of back-heating type
Oxygen-eliminating device extraction opening upper level blade may overload, threaten equipment safety, be forced reduce unit load.
3, the particularity of two-shipper heat regenerative system, using the small bypass of high-pressure heater.After partial high pressure heater exits, upstream
High-pressure heater continues to run, hydrophobic to enter hydrophobic development unit, will cause energy loss.
Summary of the invention
In order to solve after partial high pressure heater failure exits work, residual high pressure heater is still under the operating condition of operation
It can happen that such as after partial high pressure heater exits work, accident is hydrophobic can not to be normally discharged into oxygen-eliminating device, the present invention
The method of proposition can be fed directly to oxygen-eliminating device for accident is hydrophobic by adding leapfrog hydrophobic pipeline, stablize the steam extraction of oxygen-eliminating device
Amount keeps system operation safer.
In view of the above circumstances, the invention proposes a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater,
Hydrophobic pipeline and deoxygenation including two-shipper backheat draining system, between any two high-pressure heater in backheat draining system
Leapfrog hydrophobic pipeline is connected between device.Adding leapfrog hydrophobic pipeline can be hydrophobic to be dredged by bypassing the immediate leadership when part height adds and exits
Water lines are delivered to oxygen-eliminating device, increase the stability of system, recycle heat.
Preferably, two-shipper backheat draining system includes feed pump, speed regulation device, the small steam turbine of back-heating type, power-balance power generation
Machine, the first jet chimney, boiler, several high-pressure heaters, oxygen-eliminating device, ultra-high pressure cylinder, the second jet chimney and supply line,
Supply line includes the first supply line, the second supply line and third supply line；
Wherein the water outlet of oxygen-eliminating device is connected with the water inlet of feed pump, and the water outlet of feed pump passes through the first feed pipe
Road is connected with several high-pressure heaters in turn, and along the flow direction of water supply, the high-pressure heater positioned at least significant end is provided
The mouth of a river is connected to boiler by third supply line.
The small steam turbine of back-heating type is connected by speed regulation device with feed pump, the small steam turbine of back-heating type also with power-balance generator phase
Even；The small steam turbine of back-heating type passes through the steaming with the high-pressure heater in addition to the high-pressure heater of least significant end respectively of the first jet chimney
Vapour air intake is connected with the steam inlet of oxygen-eliminating device；
Several described high-pressure heaters successively add with adjacent upstream high since the high-pressure heater for being located at end
The hydrophobic entrance of hot device is connected by hydrophobic pipeline；The hydrophobic outlet of the high-pressure heater at most beginning is connected with oxygen-eliminating device.
Preferably, each high-pressure heater or every two adjacent high-pressure heater are one group, are added positioned at every group of high pressure
Be connected with bypass supply line between the supply line of hot device adjacent upstream and the supply line of adjacent downstream, when partial high pressure plus
When work is exited in hot device failure, water supply flows to the downstream supply line by bypass supply line from upstream supply line, keeps away
Exempt to lead to the unstable of entire two-shipper backheat draining system because of exiting for partial high pressure heater.
Preferably, hydrophobic pipeline is connected with hydrophobic development unit by dewatering capacity-enlarging pipe, when partial high pressure heater failure moves back
When working out, the hydrophobic of downstream high-pressure heater flow to hydrophobic development unit by dewatering capacity-enlarging pipe.
Preferably, it on the leapfrog hydrophobic pipeline, along the flow direction of fluid, is disposed with the first shut-off valve, gets over
Grade drain regulating valve and the second shut-off valve, to adjust hydrophobic flowing velocity.
Preferably, the bypass supply line is connected with supply line by triple valve.
Preferably, tune is mounted on first jet chimney, the second jet chimney, hydrophobic pipeline and dewatering capacity-enlarging pipe
Save valve.
Compared with prior art, the invention has the following beneficial effects:
Hydrophobic development unit can not consider that partial high pressure heater exits, the high-pressure heater in downstream is hydrophobic in design
Into the operating condition of hydrophobic development unit, hydrophobic development unit is small in size, it is at low cost, be convenient for field control.
After partial high pressure heater exits, high-pressure heater is hydrophobic downstream enters oxygen-eliminating device, high-pressure heater hydrophobic strip
The heat for entering oxygen-eliminating device reduces amplitude and bypasses the immediate leadership that hydrophobic system change is small, and the steam extraction into oxygen-eliminating device will not be significantly compared with not increasing
It increases, the small steam turbine of back-heating type, oxygen-eliminating device and its system can be safer.
After partial high pressure heater exits, residual high pressure heater condensate enters oxygen-eliminating device, can recycle heat, than not increasing
Add hydrophobic system of bypassing the immediate leadership more energy saving.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of the two-shipper backheat draining system based on the small bypass of heater.
1 is dewatering capacity-enlarging pipe in figure, and 2 be speed regulation device, and 3 be the small steam turbine of back-heating type, and 4 be power-balance generator, and 5 be the
One jet chimney, 6 be boiler, and 7 be high-pressure heater, and 8 be regulating valve, and 9 be oxygen-eliminating device, and 10 be feed pump, and 11 is hydrophobic to bypass the immediate leadership
Pipeline, 12 be the second shut-off valve, and 13 be leapfrog drain regulating valve, and 14 be the first shut-off valve, and 15 be ultra-high pressure cylinder, and 16 be threeway
Valve, 17 be bypass supply line, and 18 be third supply line, and 19 be the first supply line, and 20 be hydrophobic pipeline, and 21 give for second
Water lines, 22 be hydrophobic development unit, and 23 be the second jet chimney.
Specific embodiment
To make the technical means, creative features, achievement of purpose and effectiveness of the invention easy to understand, below with reference to specific
Embodiment, the present invention is further explained.
It as described in Figure 1, altogether include six high pressures in a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater
Heater 7 is followed successively by 7, No. four height of high-pressure heater of high-pressure heater 7, three of No.1 high-pressure heater 7, two from left to right
Pressure 7, No. five high-pressure heaters 7 of heater and No. six high-pressure heaters 7, feed pump 10, speed regulation device 2, the small steam turbine 3 of back-heating type,
Power-balance generator 4, the first jet chimney 5, boiler 6, oxygen-eliminating device 9, ultra-high pressure cylinder 15, the second jet chimney 23 and feed pipe
Road, wherein supply line includes the first supply line 19, the second supply line 21 and third supply line 18.
Since oxygen-eliminating device 9 is Hybrid Heating equipment, there must be water pump to improve pressure thereafter and enter boiler, so by oxygen-eliminating device
9 water outlet is connected with the water inlet of feed pump 10, and the water outlet of feed pump 10 is sequentially connected by the first supply line 19
No. six high-pressure heaters 7 to No.1 high-pressure heater 7, the water outlet of final No.1 high-pressure heater 7 passes through third supply line
18 are connected to boiler 6, meanwhile, No.1 high-pressure heater 7 passes through the extraction opening phase of the second jet chimney 23 and super-pressure cylinder 15
Connection.
The small steam turbine 3 of back-heating type is connected by speed regulation device 2 with feed pump 10, while being also connected with power-balance generator 4,
The small steam turbine 3 of back-heating type is by the first jet chimney 5 respectively to 7 to No. six high-pressure heaters of No. two high-pressure heaters 7 and oxygen-eliminating device 9
It conveys steam and carries out heat exchange.
Since No.1 high-pressure heater 7, the hydrophobic outlet of each high-pressure heater 7 passes sequentially through hydrophobic pipeline 20 and phase
The hydrophobic entrance of the high-pressure heater 7 of adjacent upstream is connected, the hydrophobic outlets of No. six high-pressure heaters 7 by hydrophobic pipeline 20 with
Oxygen-eliminating device 9 is connected.
In the present embodiment, No.1 high-pressure heater 7 and No. two high-pressure heaters 7 are first group, No. three high-pressure heaters 7
It is second group with No. four high-pressure heaters 7, No. five high-pressure heaters 7 and No. six high-pressure heaters 7 are third group, and every group of high pressure adds
Bypass supply line 17 is connected between the adjacent upstream supply line of hot device 7 and the supply line of adjacent downstream, when part is high
When the pressure failure of heater 7 is exited, water supply is delivered to next group of high-pressure heater 7 by bypass supply line 17 and is changed
Heat, bypass supply line 17 and supply line junction are equipped with triple valve 16.
Dewatering capacity-enlarging pipe 1 is equipped on every hydrophobic pipeline 20 and is connected to hydrophobic development unit 22, when higher level's high-pressure heater 7
It breaks down, it is hydrophobic when can not be delivered to higher level's high-pressure heater 7, it flow to hydrophobic development unit 22.
In the present embodiment, the hydrophobic pipeline 20 being connected respectively in No. two high-pressure heaters 7 with No. three high-pressure heaters 7
On, it is direct that the hydrophobic pipeline 20 that No. four high-pressure heaters 7 are connected with No. five high-pressure heaters 7 is equipped with leapfrog hydrophobic pipeline 11
Be connected with oxygen-eliminating device 9, when certain group high-pressure heater 7 break down when, residual high pressure heater 7 it is hydrophobic by bypass the immediate leadership it is hydrophobic
Pipeline 11 is delivered to oxygen-eliminating device 9, can stablize the steam extraction amount of oxygen-eliminating device 9, avoids oxygen-eliminating device 9 and its extraction line shakes
It is dynamic, while the peace of equipment can also be improved to avoid the small steam turbine 3 of back-heating type and 9 extraction opening upper level blade overload of oxygen-eliminating device
Quan Xing, unit on-load ability are improved.
The first shut-off valve 14 is successively arranged along hydrophobic flow direction on leapfrog hydrophobic pipeline 11, hydrophobic adjusting of bypassing the immediate leadership
Valve 13 and the second shut-off valve 12, to control the use state of leapfrog hydrophobic pipeline.
In addition, surpassing on the first jet chimney 5 that the small steam turbine 3 of back-heating type is connected with high-pressure heater 7 and oxygen-eliminating device 9
On the second jet chimney 23 that high-pressure cylinder 15 is connect with No.1 high-pressure heater 7, on hydrophobic pipeline 20 and dewatering capacity-enlarging pipe
Regulating valve 8 is equipped on 1, to adjust the steam extraction speed or hydrophobic flowing velocity of steam.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (7)
1. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater, including two-shipper backheat draining system, feature
It is: the hydrophobic pipeline (20) and oxygen-eliminating device between any two high-pressure heater (7) in the two-shipper backheat draining system
Between be connected with leapfrog hydrophobic pipeline (11).
2. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
In: the two-shipper backheat draining system includes feed pump (10), speed regulation device (2), the small steam turbine of back-heating type (3), power-balance hair
Motor (4), the first jet chimney (5), boiler (6), several high-pressure heaters (7), oxygen-eliminating device (9), ultra-high pressure cylinder (15),
Two jet chimneys (23) and supply line, the supply line include the first supply line (19), the second supply line (21) and
Third supply line (18)；
The extraction opening of the oxygen-eliminating device (9) is connected with the water inlet of feed pump (10), and the water outlet of feed pump (10) passes through the
One supply line (19) is connected with several high-pressure heaters (7) in turn, along the flow direction of water supply；Positioned at the height of least significant end
Pressure heater (7) is connected to boiler (6) by third supply line (18), and passes through the second jet chimney (23) and ultra high pressure gas
The extraction opening of cylinder (15) is connected；
The small steam turbine of back-heating type (3) is connected by speed regulation device (2) with feed pump (10), and the small steam turbine of back-heating type (3) is also
It is connected with power-balance generator (4)；The small steam turbine of back-heating type (3) is by the first jet chimney (5) respectively and except least significant end
High-pressure heater (7) other than the steam inlet of high-pressure heater (7) be connected with the steam inlet of oxygen-eliminating device (9)；
Several described high-pressure heaters (7) since be located at end high-pressure heater (7), successively with adjacent upstream high
The hydrophobic entrance of heater (7) is connected by hydrophobic pipeline；The hydrophobic outlet of the high-pressure heater (7) at most beginning and oxygen-eliminating device
(9) it is connected.
3. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
It is one group in: each high-pressure heater (7) or every two adjacent high-pressure heater (7), is located at every group of high-pressure heater (7)
Bypass supply line (17) is connected between the supply line of adjacent upstream and the supply line of adjacent downstream.
4. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
In: dewatering capacity-enlarging pipe (1), which is equipped with, on every hydrophobic pipeline (20) is connected to hydrophobic development unit (22).
5. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
In: on the leapfrog hydrophobic pipeline (11), along the flow direction of fluid, it is disposed with the first shut-off valve (14), bypasses the immediate leadership and dredges
Water regulating valve (13) and the second shut-off valve (12).
6. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
In: the bypass supply line (17) is connected with supply line by triple valve (16).
7. a kind of two-shipper backheat draining system based on the small bypass of high-pressure heater according to claim 1, feature exist
In: it is respectively mounted on first jet chimney (5), the second jet chimney (23), hydrophobic pipeline (20) and dewatering capacity-enlarging pipe (24)
There are regulating valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933643.4A CN110529838A (en) | 2019-09-29 | 2019-09-29 | A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933643.4A CN110529838A (en) | 2019-09-29 | 2019-09-29 | A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529838A true CN110529838A (en) | 2019-12-03 |
Family
ID=68670915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910933643.4A Pending CN110529838A (en) | 2019-09-29 | 2019-09-29 | A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266816A (en) * | 2021-04-22 | 2021-08-17 | 哈尔滨锅炉厂有限责任公司 | Combined high-pressure heater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650022A (en) * | 2009-08-21 | 2010-02-17 | 上海电力学院 | Steam turbine interstage back-heating heater cross-class connecting system |
| US8091361B1 (en) * | 2007-11-05 | 2012-01-10 | Exergetic Systems, Llc | Method and apparatus for controlling the final feedwater temperature of a regenerative Rankine cycle using an exergetic heater system |
| CN204404159U (en) * | 2014-12-29 | 2015-06-17 | 俞兴超 | A kind of improved high-voltage heater |
| JP2018189020A (en) * | 2017-05-01 | 2018-11-29 | 株式会社東芝 | Turbine monitoring system, turbine monitoring method, and turbine system |
| CN208967780U (en) * | 2018-07-18 | 2019-06-11 | 深能合和电力（河源）有限公司 | A kind of power station unit pipe-line system |
| CN210740371U (en) * | 2019-09-29 | 2020-06-12 | 大唐郓城发电有限公司 | Double-machine backheating drainage system based on small bypass of high-pressure heater |
-
2019
- 2019-09-29 CN CN201910933643.4A patent/CN110529838A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8091361B1 (en) * | 2007-11-05 | 2012-01-10 | Exergetic Systems, Llc | Method and apparatus for controlling the final feedwater temperature of a regenerative Rankine cycle using an exergetic heater system |
| CN101650022A (en) * | 2009-08-21 | 2010-02-17 | 上海电力学院 | Steam turbine interstage back-heating heater cross-class connecting system |
| CN204404159U (en) * | 2014-12-29 | 2015-06-17 | 俞兴超 | A kind of improved high-voltage heater |
| JP2018189020A (en) * | 2017-05-01 | 2018-11-29 | 株式会社東芝 | Turbine monitoring system, turbine monitoring method, and turbine system |
| CN208967780U (en) * | 2018-07-18 | 2019-06-11 | 深能合和电力（河源）有限公司 | A kind of power station unit pipe-line system |
| CN210740371U (en) * | 2019-09-29 | 2020-06-12 | 大唐郓城发电有限公司 | Double-machine backheating drainage system based on small bypass of high-pressure heater |
Non-Patent Citations (3)
| Title |
|---|
| 乔加飞;张磊;刘颖华;王兵兵;郝卫;: "二次再热机组双机回热系统热力性能分析", 热力发电, no. 08 * |
| 孙德创;周雅君;杨腾;: "1000 MW二次再热双机回热机组加热器配置探讨", 机电信息, no. 03 * |
| 王德学!山东济南255414, 王哲!辽宁沈阳110036, 李敬: "300MW机组高压加热器疏水系统的研究和改进", 中国电力, no. 12, 15 December 1999 (1999-12-15) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266816A (en) * | 2021-04-22 | 2021-08-17 | 哈尔滨锅炉厂有限责任公司 | Combined high-pressure heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017219656A1 (en) | Gas turbine and pressurized water reactor steam turbine combined circulation system | |
| CN105973017B (en) | Ring cold machine waste gas residual heat utilization system | |
| CN113586185B (en) | Coal-fired boiler flue gas and steam combined heat storage deep peak regulation system and operation method | |
| CN206035552U (en) | Cogeneration vapour turbine system | |
| CN207145026U (en) | Combined Cycle Unit steam turbine quickly starts warming-up system | |
| WO2021238321A1 (en) | Efficient and flexible clean coal-fired power generation system having adaptive configuration, and operating method | |
| CN106499455A (en) | Combined-cycle power plant's soda pop backheat and fuel heating integrated put forward effect system | |
| CN105910450B (en) | Sintering circular-cooler waste gas residual heat recycling system | |
| CN116045709A (en) | Fused salt energy storage peak regulation system with flue gas temperature control function | |
| CN110529838A (en) | A kind of two-shipper backheat draining system based on the small bypass of high-pressure heater | |
| CN208475300U (en) | A kind of gas-driven generator group low-pressure heater draining system | |
| CN207813676U (en) | It is a kind of to improve the solidifying back of the body of taking out for thermally safe co-generation unit | |
| CN212535795U (en) | Heat supply and power generation cogeneration system for recycling exhausted steam of steam turbine | |
| CN105464808A (en) | Gas-steam combined system and operation control method thereof | |
| CN206190339U (en) | Two branch road heating system of cogeneration steam turbine | |
| CN205279139U (en) | System for cascade utilization is synthesized to thermal power generation's backheat, waste heat | |
| CN214741516U (en) | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set | |
| CN104676250B (en) | Steam exhaust recycling and main pipe network dual-combination steam regulating system | |
| CN205940176U (en) | System is used multipurposely to cold quick -witted waste gas waste heat of ring | |
| CN210740371U (en) | Double-machine backheating drainage system based on small bypass of high-pressure heater | |
| CN113405086B (en) | Steam mixing system for realizing denitration and temperature raising and adjusting method thereof | |
| CN213956089U (en) | Low-load denitration system of thermal power plant based on fused salt energy storage system | |
| CN212157106U (en) | Drainage waste heat utilization equipment is started to once-through boiler | |
| CN210948817U (en) | Double-machine regenerative system participating in primary frequency modulation | |
| CN212225336U (en) | High-pressure steam extraction heat regeneration system suitable for high-load generator set |
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 | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240927 |
|
| AD01 | Patent right deemed abandoned |