CN110630056A - Compact three-row steam turbine room structure of 660MW coal-fired generator set - Google Patents
Compact three-row steam turbine room structure of 660MW coal-fired generator set Download PDFInfo
- Publication number
- CN110630056A CN110630056A CN201911092318.6A CN201911092318A CN110630056A CN 110630056 A CN110630056 A CN 110630056A CN 201911092318 A CN201911092318 A CN 201911092318A CN 110630056 A CN110630056 A CN 110630056A
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- room
- pressure heater
- steam
- coal
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 24
- 238000003303 reheating Methods 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 5
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
-
- 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
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- 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
- F01K13/00—General layout or general methods of operation of complete plants
Abstract
The invention discloses a compact three-row steam turbine room structure of a 660MW coal-fired generator set, belonging to the technical field of a machine room structure; the system comprises a steam turbine room and a coal bunker room which are adjacently arranged in the same width direction; the steam turbine set and the boiler auxiliary machine are respectively arranged in the steam turbine room and the boiler auxiliary machine; a deoxidizing room is also arranged above the coal bunker room; the deaerator is arranged in the deaerating room; the steam turbine set is arranged in the middle of the steam turbine room along the length direction of the steam turbine room; a single steam-driven water feed pump set is also arranged on one side of the steam turbine set close to the coal bunker bay; the main steam pipe, the main water supply pipe, the reheating hot section pipe and the reheating cold section pipe all penetrate through the wall separating the steam turbine room and the coal bunker room and are respectively connected to the steam turbine set and the boiler auxiliary machine.
Description
Technical Field
The invention relates to the technical field of machine room structures, in particular to a compact three-row steam turbine room structure of a 660MW coal-fired generator set.
Background
At present, a steam turbine room, a coal bunker room and a deoxidizing room in the structure of a domestic coal-fired generator set are generally designed in a plane four-column three-room mode, the steam turbine room of the design mode has great influence on the engineering cost, and meanwhile, two steam-driven water feeding pumps are usually adopted for each steam turbine in the past coal-fired generator set.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a structure of 660MW coal-fired generating set compact three-row formula steam turbine room to solve the current coal-fired generating set steam turbine room and have the engineering cost height, do not be applicable to the problem of the optimal arrangement of single steam-driven feed pump.
In order to solve the problems, the invention provides the following technical scheme:
a660 MW coal-fired power generator unit compact three-row type steam turbine room structure comprises a steam turbine room and a coal bunker bay which are adjacently arranged in the same width direction; the steam turbine set and the boiler auxiliary machine are respectively arranged in the steam turbine room and the coal bunker bay; a deoxidizing room is also arranged above the coal bunker room; the deaerator is arranged in the deaerating room; the steam turbine set is arranged in the middle of the steam turbine room along the length direction of the steam turbine room; a single steam-driven water feed pump set is also arranged on one side of the steam turbine set close to the coal bunker bay; the main steam pipe, the main water supply pipe, the reheating hot section pipe and the reheating cold section pipe all penetrate through the wall separating the steam turbine room and the coal bunker room and are respectively connected to the steam turbine set and the boiler auxiliary machine.
Preferably, the steam turbine set comprises two condensers arranged on the bottom surface of the steam turbine room; a steam turbine is arranged right above the condenser; and a floor plate parallel to the bottom surface of the steam turbine room is arranged at the position of the steam turbine, and the single steam-driven water feed pump set is arranged above the floor plate.
Furthermore, the steam turbine set also comprises a high-pressure heater and a low-pressure heater; the low-pressure heaters comprise a No. 5 low-pressure heater and a No. 6 low-pressure heater which are arranged on the floor plate, and a No. 7 low-pressure heater and a No. eight low-pressure heater which are arranged on the two condensers; the high-pressure heater comprises a No. 1 high-pressure heater and a No. 3 high-pressure heater which are arranged on the floor plate, and a No. 2 high-pressure heater which is arranged on the bottom surface of the steam turbine room; the front steam cooler of the No. 3 high-pressure heater is arranged right above the No. 3 high-pressure heater through a support frame.
Furthermore, a No. 1 high-pressure heater, a No. 3 high-pressure heater, a No. 5 low-pressure heater and a No. 6 low-pressure heater are respectively arranged on two sides of the steam turbine, wherein the No. 1 high-pressure heater and the No. 3 high-pressure heater are arranged adjacent to the single steam-driven water feed pump group.
Furthermore, the two sets of steam turbine units are arranged in the steam turbine room in a head-to-tail opposite mode; and the steam turbines on the two sets of steam turbine units are positioned at the same horizontal height, and the central axes are superposed.
Furthermore, an overhaul field is arranged between the two sets of steam turbine units in the steam turbine room.
The invention has the beneficial effects that:
the invention is improved aiming at the structural arrangement of the steam turbine room of the domestic current coal-fired generator set, the working efficiency of the steam-driven feed water pump is improved by replacing the existing double-steam-driven feed water pump structure with a single-steam-driven feed water pump, and the position of the steam-driven feed water pump is transferred to the side end of the steam turbine for arrangement; meanwhile, the deaerator room is arranged above the coal bunker room; aiming at the change of the two plants, the arrangement of the corresponding high-pressure heater, the corresponding low-pressure heater and four pipelines in the steam turbine room is optimized, the lengths of the pipelines including the main steam pipe, the main water supply pipe, the reheating hot section pipe and the reheating cold section pipe are reduced, the floor area of the steam turbine room is reduced, the engineering cost is greatly reduced, and meanwhile, the workload of maintenance and operation of corresponding equipment is reduced due to the design of the single steam-driven water supply pump.
Drawings
FIG. 1 is a cross-sectional view of a steam turbine room and a coal bunker bay in this embodiment;
FIG. 2 is a plan view of the running layer in the present embodiment;
fig. 3 is a plan view of a sandwich layer of the steam turbine room in the present embodiment;
description of reference numerals: 1. the system comprises a steam turbine room, a 1A steam turbine unit, a 1A1 condenser, a 1A2 steam turbine, a 1B single steam-driven water feed pump group, a 1C floor plate, a 1D high-pressure heater, a 1D1 high-pressure heater, a 1D2 high-pressure heater, a 2D 3 high-pressure heater, a 1D4 high-pressure heater, A3D high-pressure heater pre-steam cooler, a 1F low-pressure heater, a 1F1 low-pressure heater, a 5D low-pressure heater, a 1F2 low-pressure heater, a 6F 3 low-pressure heater, a 1F4 low-pressure heater, A8 low-pressure heater, a2, a coal bunker, a 2A boiler auxiliary machine, A3, a deoxidizing chamber, A3A deaerator, a 4, a main steam pipe, a 5 main water feed pipe, a 6 reheating hot section pipe, a 7 reheating cold section pipe, 8 and an overhaul site.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
example (b):
referring to fig. 1, the present embodiment provides a structure of a compact three-row steam turbine room of a 660MW coal-fired power generator set, which includes a steam turbine room 1 and a bunker bay 2 adjacently disposed in the same width direction; the steam turbine set 1A and the boiler auxiliary machine 2A are respectively arranged in the steam turbine room 1 and the coal bunker bay 2; an oxygen removing room 3 is also arranged above the coal bunker room 2; the deaerator 3A is arranged in the deaerating room 3; the steam turbine set 1A is arranged in the middle of the steam turbine room 1 along the length direction of the steam turbine room 1; a single steam-driven water feed pump unit 1B is also arranged on one side of the steam turbine unit 1A close to the coal bunker bay 2; the main steam pipe 4, the main water supply pipe 5, the reheating hot section pipe 6 and the reheating cold section pipe 7 all penetrate through the wall separating the steam turbine room 1 and the coal bunker bay 2 and are respectively connected to the steam turbine unit 1A and the boiler auxiliary machine 2A.
The turbine unit 1A includes two condensers 1A1 disposed on the bottom surface of the turbine room 1; a steam turbine 1a2 is installed right above the condenser 1a 1; and a floor plate 1C parallel to the bottom surface of the steam turbine room 1 is arranged at the position of the steam turbine 1A2, and the single steam-driven water feed pump group 1B is arranged above the floor plate 1C. Compared with the original design that the steam-driven water-feeding pump is arranged on the end side of the steam turbine unit 1A, the single steam-driven water-feeding pump 1B is installed by utilizing the floor plate 1C, so that the installation space can be further saved, and the construction cost is reduced.
The steam turbine unit 1A also comprises a high-pressure heater 1D and a low-pressure heater 1F; wherein the low-pressure heater 1F comprises a No. 5 low-pressure heater 1F1 and a No. 6 low-pressure heater 1F2 arranged on the floor plate 1C, and a No. 7 low-pressure heater 1F3 and a No. eight low-pressure heater 1F4 arranged on two condensers 1A 1; the high-pressure heater 1D includes a high-pressure heater 1D1 No. 1 and a high-pressure heater 1D3 No. 3 provided on the floor panel 1C and a high-pressure heater 1D2 No. 2 provided on the bottom surface of the steam turbine room 1; the No. 3 high-pressure heater front steam cooler 1D4 is disposed directly above the No. 3 high-pressure heater 1D3 by a support bracket.
The No. 1 high-pressure heater 1D1, the No. 3 high-pressure heater 1D3, the No. 5 low-pressure heater 1F1 and the No. 6 low-pressure heater 1F2 are respectively arranged on two sides of the steam turbine 1A2, wherein the No. 1 high-pressure heater 1D1 and the No. 3 high-pressure heater 1D3 are arranged adjacent to the single steam-driven feed pump group 1B. In consideration of the operation and maintenance of the steam turbine unit 1A, the high-pressure and low-pressure heaters are arranged at the side end of the steam turbine respectively, and the No. 1, 3, 5 and 6 heaters are installed by fully utilizing the height of a plant, so that the production area of the plant is reduced.
The two sets of steam turbine units 1A are arranged in the steam turbine room 1 in a head-to-tail opposite mode; and the steam turbines 1A2 on the two sets of steam turbine units 1A are positioned at the same horizontal height, and the central axes are superposed.
An overhaul site 8 is arranged between the two sets of turbine units 1A in the turbine room 1.
In this embodiment, referring to fig. 2 and 3, 17 support columns are arranged on a single-side wall along the length direction of the steam turbine room 1 and the coal bunker bay, except that the distance between two support columns for arranging stairs in the middle is 2m, the distance between any two other adjacent support columns is 10m, that is, the total length of the plant is about 172m, and after the original double-steam-driven water feed pump set is changed into the single-steam-driven water feed pump set 1B, the width of the plant is reduced by about 10m, that is, the total width of the plant is reduced by about 1700m in the change2On the other hand, the occupied area of the deoxidizing bay 3 is completely eliminated by directly transferring the deoxidizing bay 3 to the upper part of the coal bunker bay 2, and after the deoxidizing bay 3 is adjacently arranged above the turbine room 1, the lengths of a high-low pressure heater and four pipelines including a main steam pipe 4, a main water supply pipe 5, a reheating hot section pipe 6 and a reheating cold section pipe 7 are reduced by 80 meters, so that the construction cost of a turbine auxiliary machine is effectively reduced,meanwhile, compared with the original double-steam-driven feed water pump, the workload of equipment maintenance and operation maintenance is correspondingly reduced by half, and the construction cost of a power plant is saved by the steam turbine room structure modified by the invention and reaches more than 5000 ten thousand yuan.
Claims (6)
1. A compact three-row steam turbine room structure of a 660MW coal-fired power generator unit comprises a steam turbine room (1) and a coal bunker bay (2) which are adjacently arranged in the same width direction; the steam turbine set (1A) and the boiler auxiliary machine (2A) are respectively arranged in the steam turbine room (1) and the coal bunker bay (2); the method is characterized in that: an oxygen removing room (3) is also arranged above the coal bunker room (2); the deaerator (3A) is arranged in the deaerating room (3); the steam turbine set (1A) is arranged in the middle of the steam turbine room (1) along the length direction of the steam turbine room (1); a single steam-driven water feed pump set (1B) is also arranged on one side of the steam turbine set (1A) close to the coal bunker bay (2); the main steam pipe (4), the main water supply pipe (5), the reheating hot section pipe (6) and the reheating cold section pipe (7) penetrate through the wall separating the steam turbine room (1) and the coal bunker bay (2) and are respectively connected to the steam turbine set (1A) and the boiler auxiliary machine (2A).
2. The structure of the compact three-row steam turbine room of the 660MW coal-fired power generation unit, according to claim 1, characterized in that: the steam turbine set (1A) comprises two condensers (1A 1) arranged on the bottom surface of the steam turbine room (1); a steam turbine (1A 2) is installed right above the condenser (1A 1); and a floor plate (1C) parallel to the bottom surface of the steam turbine room (1) is arranged at the position of the steam turbine (1A 2), and a single steam-driven water feed pump set (1B) is arranged above the floor plate (1C).
3. The structure of the compact three-row steam turbine room of the 660MW coal-fired power generation unit, according to claim 2, characterized in that: the steam turbine set (1A) also comprises a high-pressure heater (1D) and a low-pressure heater (1F); wherein the low-pressure heater (1F) comprises a No. 5 low-pressure heater (1F 1) and a No. 6 low-pressure heater (1F 2) which are arranged on a floor plate (1C), and a No. 7 low-pressure heater (1F 3) and a No. eight low-pressure heater (1F 4) which are arranged on two condensers (1A 1); the high-pressure heater (1D) comprises a No. 1 high-pressure heater (1D 1) and a No. 3 high-pressure heater (1D 3) which are arranged on a floor plate (1C) and a No. 2 high-pressure heater (1D 2) which is arranged on the bottom surface of the steam turbine room (1); the No. 3 high-pressure heater front steam cooler (1D 4) is arranged right above the No. 3 high-pressure heater (1D 3) through a support frame.
4. The structure of the compact three-row steam turbine room of the 660MW coal-fired power generation unit, according to claim 3, characterized in that: the No. 1 high-pressure heater (1D 1), the No. 3 high-pressure heater (1D 3), the No. 5 low-pressure heater (1F 1) and the No. 6 low-pressure heater (1F 2) are respectively arranged on two sides of the steam turbine (1A 2), wherein the No. 1 high-pressure heater (1D 1) and the No. 3 high-pressure heater (1D 3) are arranged adjacent to the single-steam-driven water feed pump set (1B).
5. The structure of the compact three-row steam turbine room of the 660MW coal-fired power generation unit, according to claim 2, characterized in that: the two sets of steam turbine units (1A) are arranged in the steam turbine room (1) in a head-to-tail opposite mode; and the steam turbines (1A 2) on the two sets of steam turbine units (1A) are positioned at the same horizontal height, and the central axes are superposed.
6. The structure of the compact three-row steam turbine room of the 660MW coal-fired power generation unit, according to claim 1 or 5, characterized in that: an overhaul field (8) is arranged between the two sets of steam turbine units (1A) in the steam turbine room (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092318.6A CN110630056A (en) | 2019-11-11 | 2019-11-11 | Compact three-row steam turbine room structure of 660MW coal-fired generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092318.6A CN110630056A (en) | 2019-11-11 | 2019-11-11 | Compact three-row steam turbine room structure of 660MW coal-fired generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630056A true CN110630056A (en) | 2019-12-31 |
Family
ID=68979524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911092318.6A Pending CN110630056A (en) | 2019-11-11 | 2019-11-11 | Compact three-row steam turbine room structure of 660MW coal-fired generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110630056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681820A (en) * | 2021-01-13 | 2021-04-20 | 福建永福电力设计股份有限公司 | Compact arrangement of E-grade-shaft gas combined circulating shaft steam exhaust steam turbine room |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220411A (en) * | 1999-01-28 | 2000-08-08 | Hitachi Ltd | Thermal power plant |
| CN102352696A (en) * | 2011-06-23 | 2012-02-15 | 中国电力工程顾问集团西北电力设计院 | Lateral structure and arranging method of steam turbine generator unit of 1000MW-grade set in thermal power plant |
| CN203394115U (en) * | 2013-05-17 | 2014-01-15 | 河北省电力勘测设计研究院 | Arrangement form of main power house of thermal power plant based on side coal bunker scheme |
| CN203613834U (en) * | 2013-12-19 | 2014-05-28 | 国电建投内蒙古能源有限公司 | Compact four-column type arrangement structure of ultra supercritical air cooling unit main power house |
| CN204435946U (en) * | 2014-11-26 | 2015-07-01 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of coal-fired 1,000,000 unit turbine house structures |
| CN104763178A (en) * | 2015-03-10 | 2015-07-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Main power building of thermal power plant |
| CN205063442U (en) * | 2015-10-08 | 2016-03-02 | 中国能源建设集团广东省电力设计研究院有限公司 | High pressure feed water heater and steam -operating water feed pump set combined layout's main building |
| CN211647500U (en) * | 2019-11-11 | 2020-10-09 | 福能(贵州)发电有限公司 | Compact three-row steam turbine room structure of 660MW coal-fired generator set |
-
2019
- 2019-11-11 CN CN201911092318.6A patent/CN110630056A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220411A (en) * | 1999-01-28 | 2000-08-08 | Hitachi Ltd | Thermal power plant |
| CN102352696A (en) * | 2011-06-23 | 2012-02-15 | 中国电力工程顾问集团西北电力设计院 | Lateral structure and arranging method of steam turbine generator unit of 1000MW-grade set in thermal power plant |
| CN203394115U (en) * | 2013-05-17 | 2014-01-15 | 河北省电力勘测设计研究院 | Arrangement form of main power house of thermal power plant based on side coal bunker scheme |
| CN203613834U (en) * | 2013-12-19 | 2014-05-28 | 国电建投内蒙古能源有限公司 | Compact four-column type arrangement structure of ultra supercritical air cooling unit main power house |
| CN204435946U (en) * | 2014-11-26 | 2015-07-01 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of coal-fired 1,000,000 unit turbine house structures |
| CN104763178A (en) * | 2015-03-10 | 2015-07-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Main power building of thermal power plant |
| CN205063442U (en) * | 2015-10-08 | 2016-03-02 | 中国能源建设集团广东省电力设计研究院有限公司 | High pressure feed water heater and steam -operating water feed pump set combined layout's main building |
| CN211647500U (en) * | 2019-11-11 | 2020-10-09 | 福能(贵州)发电有限公司 | Compact three-row steam turbine room structure of 660MW coal-fired generator set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681820A (en) * | 2021-01-13 | 2021-04-20 | 福建永福电力设计股份有限公司 | Compact arrangement of E-grade-shaft gas combined circulating shaft steam exhaust steam turbine room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102352696B (en) | Lateral structure and arranging method of steam turbine generator unit of 1000MW-grade set in thermal power plant | |
| US20130239909A1 (en) | Arrangement structure suitable for inverted pulverized coal boiler with ultra-high steam temperature steam parameters | |
| CN201198663Y (en) | Main power drive type arrangement of thermal power generation plant | |
| CN204435946U (en) | A kind of coal-fired 1,000,000 unit turbine house structures | |
| CN211647500U (en) | Compact three-row steam turbine room structure of 660MW coal-fired generator set | |
| CN201972425U (en) | Main plant of high-level arrangement turbine generator | |
| CN202139876U (en) | Transverse structure of 1000MW stage set turbo generator set of thermal power plant | |
| CN110630056A (en) | Compact three-row steam turbine room structure of 660MW coal-fired generator set | |
| CN201858130U (en) | Novel frequency conversion driving system of boiler water feeding pump of large power unit of power plant | |
| JP3898847B2 (en) | Thermal power plant | |
| CN105421831A (en) | Thermal power plant main power house arrangement form based on combined side bunker scheme | |
| CN202100032U (en) | Direct air-cooling steam turbine generator set system | |
| CN114543065B (en) | Thermal power plant unit | |
| CN207485050U (en) | A kind of large-size thermal power plant main building arrangement structure | |
| CN113175368B (en) | Boiler steam turbine interconnection system based on main pipe system transformation and operation method | |
| CN206267897U (en) | BEST machines combine lateral arrangement structure with horizontal high pressure heater | |
| RU2467249C2 (en) | Steam generator | |
| CN202544436U (en) | Steam turbine room bottom layer arrangement structure of steam-driven feed water pump of thermal power plant | |
| CN108167806B (en) | Million unit high-pressure heater system structure of double reheat and its application method | |
| CN206600027U (en) | Split axle Combined cycle gas-steam turbine unit low level combines main building arrangement structure | |
| CN111396156A (en) | Multi-unit heating system of nuclear power plant with steam side unit system and water side combined system | |
| CN204456987U (en) | A kind ofly merge the high-order preposition turbine generator machine room arranged with side coal bunker | |
| CN108533012B (en) | Lateral arrangement structure of 660 MW-level unit steam turbine generator unit of thermal power plant | |
| CN203247886U (en) | Turbine house with vertical high-pressure heaters placed in front of handpiece of turbine | |
| CN202090964U (en) | Steam turbine backheating water feed system |
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 |