CN206267900U - A kind of steam turbine low-pressure optical axis heat supply steam bleeding system - Google Patents
A kind of steam turbine low-pressure optical axis heat supply steam bleeding system Download PDFInfo
- Publication number
- CN206267900U CN206267900U CN201621255226.7U CN201621255226U CN206267900U CN 206267900 U CN206267900 U CN 206267900U CN 201621255226 U CN201621255226 U CN 201621255226U CN 206267900 U CN206267900 U CN 206267900U
- Authority
- CN
- China
- Prior art keywords
- heat supply
- pressure
- steam
- valve
- low 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.)
- Expired - Fee Related
Links
Landscapes
- Pipeline Systems (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A kind of steam turbine low-pressure optical axis heat supply steam bleeding system, it is related to a kind of heat supply steam bleeding system.The utility model solves existing steam turbine and has that cold source energy is big, unit thermal efficiency of cycle is low, and air blast phenomenon easily occurs in actual use in low pressure cylinder cooling system, influences the problem of cooling effect.Heat supply bleed steam pipework of the present utility model is arranged on the rear portion of mesolow communicating pipe, heat supply bleed steam pipework includes the heat supply extraction line that low pressure (LP) cylinder cooling line is connected with mesolow cylinder, and spring loaded safety valve on heat supply extraction line, electric control valve and Pneumatic check valve are sequentially arranged from left to right, low pressure (LP) cylinder cooling line is connected with heat supply extraction line, #2 low pressure (LP) cylinders and #3 low pressure (LP) cylinders respectively, electric check valve and temperature-decreased pressure reducer are connected on cooling steam pipeline, and traffic monitoring valve and temperature control valve are arranged in temperature-decreased pressure reducer.The utility model is used for Steam Turbine heat supply.
Description
Technical field
The utility model is related to a kind of heat supply steam bleeding system, and specifically related to a kind of steam turbine low-pressure optical axis heat supply is drawn gas and is
System.
Background technology
The Northeast's peak regulation breach in heat supplying process constantly increases, and peak regulation is limited by heat supply, carries out peak regulation accumulation of heat
Mesh is very necessary.Because thermal source is single, have that heat supply cannot ensure safely asks the 350MW units that existing power plant is used
Topic.Therefore, according to the situation of actual heat supply, improved steam-turbine unit, steam turbine is low in heat supply phase and non-heat supply phase
Laminate section uses birotor interchangeabling form, and the non-heat supply phase, low pressure (LP) cylinder ran in pure condensate form still using former unit low pressure rotor；For
Hot phase low pressure rotor uses low pressure optical axis rotor, and now rotor only plays connection function, and low-pressure section is not done work generating, and in
Increase closure plate low pressure communicating pipe, original enters #2, #3 low pressure (LP) cylinder steam and extracted out from heat supply pipeline, for heat supply.It is also desirable to increase
Plus low pressure cylinder cooling system, but in the heat supply phase, existing steam turbine has that cold source energy is big, unit thermal efficiency of cycle is low, and
Easily there is air blast phenomenon in actual use in low pressure (LP) cylinder cooling line, influences the problem of cooling effect.
Utility model content
The purpose of this utility model is that have that cold source energy is big, unit thermal efficiency of cycle to solve existing steam turbine
It is low, and easily there is air blast phenomenon in actual use in low pressure cylinder cooling system, influences the problem of cooling effect.And then provide
A kind of steam turbine low-pressure optical axis heat supply steam bleeding system.
The technical solution of the utility model is：
A kind of steam turbine low-pressure optical axis heat supply steam bleeding system, it includes high pressure cylinder, mesolow cylinder, #2 low pressure (LP) cylinders, #3 low pressure
Cylinder, mesolow cylinder is included from left to right by mesolow communicating pipe sequentially affixed intermediate pressure cylinder and #1 low pressure (LP) cylinders, #2 low pressure (LP) cylinders and #
3 low pressure (LP) cylinders are set for symmetrical flow division formula, and mesolow cylinder, #2 low pressure (LP) cylinders and #3 low pressure (LP) cylinders sequentially pass through multiple communicating pipes from left to right
It is tightly connected, it also includes heat supply bleed steam pipework and low pressure (LP) cylinder cooling line；
Heat supply bleed steam pipework is arranged on the rear portion of mesolow communicating pipe, and heat supply bleed steam pipework includes what is connected with mesolow cylinder
Heat supply extraction line, and be sequentially arranged from left to right spring loaded safety valve on heat supply extraction line, electric control valve and
Pneumatic check valve,
Low pressure (LP) cylinder cooling line is connected with heat supply extraction line, #2 low pressure (LP) cylinders and #3 low pressure (LP) cylinders respectively, low pressure (LP) cylinder cooling tube
Road include electric check valve, temperature-decreased pressure reducer, traffic monitoring valve, temperature control valve and cooling steam pipeline, electric check valve and
Temperature-decreased pressure reducer is connected on cooling steam pipeline, and traffic monitoring valve and temperature control valve are arranged in temperature-decreased pressure reducer.
The utility model also includes temperature controller, and temperature controller is arranged on cooling steam pipeline and controls opening for temperature control valve
Open and close.
The utility model also includes flow control system, and flow control system is connected in parallel with temperature-decreased pressure reducer.
The utility model also includes closure plate, and closure plate is arranged in mesolow connection tube cavity, and closure plate is connected with mesolow
The seal of tube is connected.
A diameter of 1400mm of the heat supply extraction line of the present utility model.
The utility model also includes rapid cut-off valve, and the rapid cut-off valve is located at spring loaded safety valve and electric control valve
Between heat supply extraction line on.
The utility model also includes pressure transmitter, thermoelectric valve, pressure gauge, thermometer and control pressurer system, and pressure becomes
Send on the heat supply extraction line that device and thermoelectric valve be arranged close to heat user one end, control pressurer system and pressure transmitter and heat
Electric valve is connected and controls and adjust pressure transmitter and the aperture of thermoelectric valve, and the heat supply between pressure transmitter and thermoelectric valve is taken out
Steam pipe is provided with pressure gauge on road, and thermometer is provided with the heat supply extraction line between thermoelectric valve and heat user.
The rotor of #2 low pressure (LP) cylinders of the present utility model and #3 low pressure (LP) cylinders is low pressure optical axis rotor.
The utility model has the following effects that compared with prior art：
1st, in the heat supply phase, boiler carrys out initial steam by after high pressure cylinder and resuperheater, into intermediate pressure cylinder, intermediate pressure cylinder one
Steam is divided to enter #1 low pressure at no distant date, another part steam by mesolow communicating pipe by entering #2, #3 low pressure (LP) cylinder originally
Steam, now being extracted out by heat supply extraction line carries out heating to heat user, #2, #3 low pressure (LP) cylinder is not entered back into, due to low pressure
Cylinder does not do work, and unit electric load has reduced, and makes full use of turbine discharge heat supply, increases heating load, reduces low pressure (LP) cylinder
The cold source energy of steam discharge, unit thermal efficiency of cycle is greatly improved, and is reduced unit operation and is powered heat consumption, and machine is reduced to supplying from face
Electric coal consumption, the purpose for realize power plant for energy conservation emission reduction, using water wisely, creating economic benefit.
2nd, the increased low pressure (LP) cylinder cooling line of the utility model, in the heat supply phase, after low pressure (LP) cylinder is passed through a stock-traders' know-how pressure and temperature reducing
Cooling steam, can effectively prevent low pressure (LP) cylinder air blast phenomenon, at the same electric check valve can quickly switch steam enter with
No, manipulation is more accurate, quick, improves the cooling effect of low pressure (LP) cylinder.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is schematic diagrames of the Fig. 1 in unit heat supply therrmodynamic system；
Fig. 3 is to remove the heat supply bleed steam pipework figure after electric check valve 10 and temperature-decreased pressure reducer 11.
Specific embodiment
Specific embodiment one：With reference to Fig. 1 and Fig. 2 explanation present embodiments, a kind of steam turbine low-pressure of present embodiment
Optical axis heat supply steam bleeding system, it include high pressure cylinder 1, mesolow cylinder 2, #2 low pressure (LP) cylinders 3, #3 low pressure (LP) cylinders 4, mesolow cylinder 2 include by
Left-to-right passes through the sequentially affixed intermediate pressure cylinder and #1 low pressure (LP) cylinders of mesolow communicating pipe 5, and #2 low pressure (LP) cylinders 3 and #3 low pressure (LP) cylinders 4 are symmetrical
Shunting is set, and mesolow cylinder 2, #2 low pressure (LP) cylinders 3 and #3 low pressure (LP) cylinders 4 sequentially pass through be tightly connected multiple communicating pipes from left to right,
It also includes heat supply bleed steam pipework and low pressure (LP) cylinder cooling line；
Heat supply bleed steam pipework is arranged on the rear portion of mesolow communicating pipe 5, and heat supply bleed steam pipework includes being connected with mesolow cylinder 2
Heat supply extraction line 6, and be sequentially arranged the spring loaded safety valve 7, motorized adjustment on heat supply extraction line 6 from left to right
Valve 8 and Pneumatic check valve 9,
Low pressure (LP) cylinder cooling line is connected with heat supply extraction line 6, #2 low pressure (LP) cylinders 3 and #3 low pressure (LP) cylinders 4 respectively, low pressure (LP) cylinder cooling
Pipeline includes electric check valve 10, temperature-decreased pressure reducer 11, traffic monitoring valve 12, temperature control valve 13 and cooling steam pipeline 14,
Electric check valve 10 and temperature-decreased pressure reducer 11 are connected on cooling steam pipeline 14, and traffic monitoring valve 12 and temperature control valve 13 are pacified
In temperature-decreased pressure reducer 11.
Specific embodiment two：With reference to Fig. 1 and Fig. 2 explanation present embodiments, present embodiment also includes temperature controller 15, temperature
Control device 15 is arranged on cooling steam pipeline 14 and controls the opening and closing of temperature control valve 13.It is arranged such, ensure that
The promptness of low pressure (LP) cylinder cooling line temperature adjusting.Other compositions and annexation are identical with specific embodiment one.
Specific embodiment three：With reference to Fig. 1 and Fig. 2 explanation present embodiments, present embodiment also includes that flow controls system
System 16, flow control system 16 is connected in parallel with temperature-decreased pressure reducer 11, and cooling flow is by flow control system 16 according to low pressure (LP) cylinder
Exhaust temperature is controlled by the traffic monitoring valve 12 on cooling steam pipeline 14.It is arranged such, cooling stream can be efficiently controlled
Amount.Other compositions and annexation are identical with specific embodiment one or two.
Specific embodiment four：With reference to Fig. 1 and Fig. 2 explanation present embodiments, present embodiment also includes closure plate, and closure plate sets
Put in mesolow communicating pipe 5 inner chamber, and closure plate is tightly connected with mesolow communicating pipe 5.It is arranged such, ensure that intermediate pressure cylinder
And the isolation between #1 low pressure (LP) cylinders, effectively avoid during steam in intermediate pressure cylinder flows into low pressure (LP) cylinder.Other compositions and annexation
It is identical with specific embodiment one, two or three.
Specific embodiment five：Present embodiment is illustrated with reference to Fig. 1, the heat supply extraction line 6 of present embodiment
A diameter of 1400mm.Other compositions and annexation are identical with specific embodiment one, two, three or four.
Specific embodiment six：With reference to Fig. 1 and Fig. 2 explanation present embodiments, present embodiment also includes rapid cut-off valve
17, the rapid cut-off valve 17 is located on the heat supply extraction line 6 between spring loaded safety valve 7 and electric control valve 8.So set
Put, rapid cut-off valve 17 can play a part of quick closedown heat supply extraction line 6, it is ensured that the safe operation of equipment.Other groups
Into identical with specific embodiment one, two, three, four or five with annexation.
Specific embodiment seven：With reference to Fig. 1 and Fig. 3 explanation present embodiments, present embodiment also includes pressure transmitter
19th, thermoelectric valve 21, pressure gauge 20, thermometer 22 and control pressurer system 18, pressure transmitter 19 and thermoelectric valve 21 are arranged on and lean on
On the heat supply extraction line 6 of near-thermal user one end, control pressurer system 18 is connected and controls with pressure transmitter 19 and thermoelectric valve 21
The aperture of system and regulation pressure transmitter 19 and thermoelectric valve 21, the heat supply extraction steam pipe between pressure transmitter 19 and thermoelectric valve 21
Pressure gauge 20 is installed on road 6, thermometer 22 is installed on the heat supply extraction line 6 between thermoelectric valve 21 and heat user.Such as
This is set, and can effectively monitor the water temperature and hydraulic pressure in heat supply extraction line 6, it is ensured that quality of water supply.Other compositions and connection
Relation is identical with specific embodiment one, two, three, four, five or six.
Specific embodiment eight：With reference to Fig. 1 and Fig. 2 explanation present embodiments, the #2 low pressure (LP) cylinders 3 and #3 of present embodiment are low
The rotor of cylinder pressure 4 is low pressure optical axis rotor.It is arranged such, low pressure optical axis rotor is played the middle pressure rotor in intermediate pressure cylinder and generating
Machine rotor connects the effect of transmitting torque, and then makes full use of turbine discharge heat supply, reduces cold source energy, increases heating load.
Other compositions and annexation are identical with specific embodiment one, two, three, four, five, six or seven.
Operation principle：
In heat supply phase and non-heat supply phase, low-pressure section uses birotor interchangeabling form to steam turbine, and the non-heat supply phase is still using original
Unit low pressure rotor, low pressure (LP) cylinder runs in pure condensate form；Heat supply phase low pressure rotor uses low pressure optical axis rotor, and now rotor only rises
Connection function, low-pressure section is not done work generating, and is increasing closure plate mesolow communicating pipe, and original enters #2, #3 low pressure (LP) cylinder steam
Extracted out from heat supply pipeline, for heat supply.Meanwhile, increase low pressure (LP) cylinder cooling line, in the heat supply phase, low pressure (LP) cylinder is passed through a stock-traders' know-how desuperheat
Cooling steam after decompression, prevents low pressure (LP) cylinder air blast phenomenon.Can be reduced as far as possible using the transformation of low pressure optical axis auxiliary to former unit
Auxiliary system is transformed, and makes full use of turbine discharge heat supply, reduces cold source energy, increases heating load, and safe and reliable to operation, transformation is thrown
Money is return period short；Realize power plant for energy conservation emission reduction, using water wisely, create economic benefit.
Claims (8)
1. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system, it includes high pressure cylinder (1), mesolow cylinder (2), #2 low pressure (LP) cylinders
(3), #3 low pressure (LP) cylinders (4), mesolow cylinder (2) including passing through mesolow communicating pipe (5) sequentially affixed intermediate pressure cylinder and # from left to right
1 low pressure (LP) cylinder, #2 low pressure (LP) cylinders (3) and #3 low pressure (LP) cylinders (4) are set for symmetrical flow division formula, mesolow cylinder (2), #2 low pressure (LP) cylinders (3) and #3
Low pressure (LP) cylinder (4) sequentially passes through be tightly connected multiple communicating pipes from left to right, it is characterised in that：It also include heat supply bleed steam pipework and
Low pressure (LP) cylinder cooling line；
Heat supply bleed steam pipework is arranged on the rear portion of mesolow communicating pipe (5), and heat supply bleed steam pipework includes being connected with mesolow cylinder (2)
Heat supply extraction line (6), and be sequentially arranged spring loaded safety valve (7) on heat supply extraction line (6), electricity from left to right
Dynamic regulating valve (8) and Pneumatic check valve (9),
Low pressure (LP) cylinder cooling line is connected with heat supply extraction line (6), #2 low pressure (LP) cylinders (3) and #3 low pressure (LP) cylinders (4) respectively, and low pressure (LP) cylinder is cold
But pipeline includes that electric check valve (10), temperature-decreased pressure reducer (11), traffic monitoring valve (12), temperature control valve (13) and cooling are steamed
Steam pipe road (14), electric check valve (10) and temperature-decreased pressure reducer (11) are connected on cooling steam pipeline (14), traffic monitoring valve
And temperature control valve (13) is in the temperature-decreased pressure reducer (11) (12).
2. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 1, it is characterised in that：It also includes temperature
Control device (15), temperature controller (15) is on cooling steam pipeline (14) and controls the opening and closing of temperature control valve (13).
3. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 2, it is characterised in that：It also includes stream
Amount control system (16), flow control system (16) is connected in parallel with temperature-decreased pressure reducer (11).
4. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 3, it is characterised in that：It also includes stifled
Plate, closure plate is arranged in mesolow communicating pipe (5) inner chamber, and closure plate is tightly connected with mesolow communicating pipe (5).
5. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 4, it is characterised in that：The heat supply is taken out
A diameter of 1400mm in steam pipe road (6).
6. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 5, it is characterised in that：It also includes fast
Fast shut-off valve (17), heat supply of the rapid cut-off valve (17) between spring loaded safety valve (7) and electric control valve (8) is taken out
On steam pipe road (6).
7. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 6, it is characterised in that：It also includes pressure
Power transmitter (19), thermoelectric valve (21), pressure gauge (20), thermometer (22) and control pressurer system (18), pressure transmitter
(19) be arranged close on the heat supply extraction line (6) of heat user one end with thermoelectric valve (21), control pressurer system (18) with pressure
Power transmitter (19) and thermoelectric valve (21) are connected and control and adjust the aperture of pressure transmitter (19) and thermoelectric valve (21), in pressure
Pressure gauge (20) is installed on heat supply extraction line (6) between power transmitter (19) and thermoelectric valve (21), in thermoelectric valve (21)
Thermometer (22) is installed on heat supply extraction line (6) between heat user.
8. a kind of steam turbine low-pressure optical axis heat supply steam bleeding system according to claim 7, it is characterised in that：#2 low pressure (LP) cylinders
(3) and #3 low pressure (LP) cylinders (4) rotor be low pressure optical axis rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621255226.7U CN206267900U (en) | 2016-11-22 | 2016-11-22 | A kind of steam turbine low-pressure optical axis heat supply steam bleeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621255226.7U CN206267900U (en) | 2016-11-22 | 2016-11-22 | A kind of steam turbine low-pressure optical axis heat supply steam bleeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206267900U true CN206267900U (en) | 2017-06-20 |
Family
ID=59041364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621255226.7U Expired - Fee Related CN206267900U (en) | 2016-11-22 | 2016-11-22 | A kind of steam turbine low-pressure optical axis heat supply steam bleeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206267900U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420139A (en) * | 2017-07-26 | 2017-12-01 | 华电电力科学研究院 | A kind of low pressure (LP) cylinder cooling steam device and operation method |
| CN108049923A (en) * | 2018-01-08 | 2018-05-18 | 西安西热节能技术有限公司 | Three-exhauster 200MW unit mesolows cylinder combines zero output heating system and method |
| CN108049920A (en) * | 2017-11-21 | 2018-05-18 | 华电电力科学研究院 | Cut off the cooling system and method for work of low pressure (LP) cylinder heat supply |
| CN108331624A (en) * | 2018-02-11 | 2018-07-27 | 华电郑州机械设计研究院有限公司 | A method of back pressure turbine is transform as by condensing turbine |
| CN108561196A (en) * | 2018-03-06 | 2018-09-21 | 辽宁东方发电有限公司 | Fired power generating unit cuts off the safety protection system and method for low pressure (LP) cylinder operation |
| CN109404074A (en) * | 2018-11-05 | 2019-03-01 | 哈尔滨汽轮机厂有限责任公司 | A kind of overcritical optical axis heat supply transformation steam turbine of 350MW |
| CN113323731A (en) * | 2021-06-29 | 2021-08-31 | 西安热工研究院有限公司 | High-efficient flexibility heating system of three jars three steam extraction units |
| CN114354177A (en) * | 2021-12-10 | 2022-04-15 | 国电长源汉川第一发电有限公司 | Automatic testing system and method for steam extraction check valve of steam turbine |
-
2016
- 2016-11-22 CN CN201621255226.7U patent/CN206267900U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420139A (en) * | 2017-07-26 | 2017-12-01 | 华电电力科学研究院 | A kind of low pressure (LP) cylinder cooling steam device and operation method |
| CN107420139B (en) * | 2017-07-26 | 2023-09-01 | 华电电力科学研究院有限公司 | Low-pressure cylinder cooling steam device and operation method |
| CN108049920A (en) * | 2017-11-21 | 2018-05-18 | 华电电力科学研究院 | Cut off the cooling system and method for work of low pressure (LP) cylinder heat supply |
| CN108049923B (en) * | 2018-01-08 | 2023-05-05 | 西安西热节能技术有限公司 | Three-exhaust 200MW unit medium-low pressure cylinder combined zero-output heat supply system and method |
| CN108049923A (en) * | 2018-01-08 | 2018-05-18 | 西安西热节能技术有限公司 | Three-exhauster 200MW unit mesolows cylinder combines zero output heating system and method |
| CN108331624A (en) * | 2018-02-11 | 2018-07-27 | 华电郑州机械设计研究院有限公司 | A method of back pressure turbine is transform as by condensing turbine |
| CN108561196A (en) * | 2018-03-06 | 2018-09-21 | 辽宁东方发电有限公司 | Fired power generating unit cuts off the safety protection system and method for low pressure (LP) cylinder operation |
| CN108561196B (en) * | 2018-03-06 | 2024-02-20 | 辽宁东方发电有限公司 | Safety protection system and method for cutting off operation of low-pressure cylinder of thermal power generating unit |
| CN109404074A (en) * | 2018-11-05 | 2019-03-01 | 哈尔滨汽轮机厂有限责任公司 | A kind of overcritical optical axis heat supply transformation steam turbine of 350MW |
| CN109404074B (en) * | 2018-11-05 | 2023-10-10 | 哈尔滨汽轮机厂有限责任公司 | 350MW supercritical optical axis heat supply transformation steam turbine |
| CN113323731A (en) * | 2021-06-29 | 2021-08-31 | 西安热工研究院有限公司 | High-efficient flexibility heating system of three jars three steam extraction units |
| CN114354177A (en) * | 2021-12-10 | 2022-04-15 | 国电长源汉川第一发电有限公司 | Automatic testing system and method for steam extraction check valve of steam turbine |
| CN114354177B (en) * | 2021-12-10 | 2024-03-12 | 国电长源汉川第一发电有限公司 | Automatic test system and method for steam extraction check valve of steam turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206267900U (en) | A kind of steam turbine low-pressure optical axis heat supply steam bleeding system | |
| CN105840244B (en) | A kind of optical axis high back pressure heat supply steam turbine | |
| CN210239765U (en) | Safe energy-saving steam extraction and heat supply system capable of flexibly adjusting steam inlet of low-pressure cylinder | |
| CN105156160B (en) | A kind of front end processor is combined the through-flow parameter optimization of main steam turbine and carries effect peak regulation system | |
| CN107504543B (en) | Method for improving deep peak regulation of cogeneration unit by utilizing electric boiler heat supply | |
| CN102563351A (en) | Gas depressurizing heating device and gas depressurizing heating method | |
| CN104747243A (en) | Sliding parameter shutdown method for gas-steam combined cycle unit | |
| CN109027685A (en) | The industrial steam-supplying system and method for big flow high parameter are realized using vapour compression machine | |
| CN104329128A (en) | Back pressure machine work application device for supplying discharged steam of steam turbine high-pressure cylinder for industrial steam extracting system | |
| CN201916008U (en) | Expansion power energy-saving system with high flow, low parameter and high back pressure | |
| CN110259527A (en) | A kind of power output of super-pressure 200MW low pressure (LP) cylinder zero flexibility transformation steam turbine | |
| CN206267899U (en) | A kind of three-exhauster 200MW turbine low pressure cylinders cooling steam pipe-line system | |
| CN105435597A (en) | System for improving denitration operation rate of Siemens 1000MW/600MW ultra-supercritical unit | |
| CN204899993U (en) | Quick cooling device of steam turbine | |
| CN202598004U (en) | Pilot-operated pressure regulating valve heating system with over-voltage protection | |
| CN109340736B (en) | Two-stage desuperheater protection system for ultra-supercritical boiler reheater | |
| CN103089346A (en) | Forced cooling system of steam turbine generator set | |
| CN108332447A (en) | A kind of air-conditioning system using power plant's exhaust heat refrigeration | |
| CN212157116U (en) | Main steam temperature and pressure reducing system of thermal power plant | |
| CN202484597U (en) | Pressure-reducing heating device for gas | |
| CN219529103U (en) | Protection device of cold and hot combined steam extraction system | |
| CN206670386U (en) | A kind of carbon dioxide energy storage equipment of accumulation kiln tail smoke-box heat energy | |
| CN108343480B (en) | Condensing back-pumping heat supply system based on double steam extraction of two units and adjusting method | |
| CN110686227B (en) | Intermediate reheat steam power generation system | |
| CN111981462A (en) | Water loss protection system of circulating fluidized bed boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |