CN206267894U - A kind of high pressure cylinder transformation ratio cogeneration turbine system - Google Patents
A kind of high pressure cylinder transformation ratio cogeneration turbine system Download PDFInfo
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- CN206267894U CN206267894U CN201621262468.9U CN201621262468U CN206267894U CN 206267894 U CN206267894 U CN 206267894U CN 201621262468 U CN201621262468 U CN 201621262468U CN 206267894 U CN206267894 U CN 206267894U
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- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model is related to steam turbine technology field, more particularly to a kind of high pressure cylinder transformation ratio cogeneration turbine system, including high pressure cylinder, intermediate pressure cylinder and reheater, the air intake of high pressure cylinder and high-pressure admission pipeline communication, the steam drain of high pressure cylinder is connected by cold reheaing steam pipe with the entrance of reheater, the outlet of reheater is pressed into steam pipe road and is connected with the air intake of intermediate pressure cylinder in passing through, and the extraction line for leading to heat supply network is provided with cold reheaing steam pipe;The specified pressure ratio value of high pressure cylinder is re, the continuously operation pressure ratio value allowable of high pressure cylinder is [r], and is met:[r]/re≥1.3.Realize that row high draws gas by extraction line, high pressure cylinder continuously runs pressure ratio value [r] allowable and is not less than its specified pressure ratio re1.3 times, the pressure value at the process high pressure cylinder steam drain that makes to draw gas can be reduced to the heat demand pressure value close or equal to heat supply network, meet the requirement that big flow is drawn gas, and improve the phenomenon of high-quality energy waste, simplify system.
Description
Technical field
The utility model is related to steam turbine technology field, more particularly to a kind of high pressure cylinder transformation ratio cogeneration turbine system
System.
Background technology
Steam turbine is one of crucial power-equipment in power plant construction, is to convert thermal energy into mechanical energy and then be converted into electricity
The energy conversion device of energy.High temperature, the high steam produced by boiler, by steam turbine, heat energy and pressure potential are changed
Into the mechanical energy of steam turbine, the acting of turbine rotor output shaft is driven, the mechanical energy is passed to by turbine rotor output shaft
Generator, so as to convert mechanical energy into electric energy.
Gas-steam Combined Cycle meant gas turbine as preposition turbine, and gas turbine is reclaimed with waste heat boiler
Exhaust heat, some grades of initial steams of output injection steam turbines, steam expansion work and exports electric energy in steam turbine.Combustion gas-
Steam Combined Cycle is the gas turbine with average endothermic temperature higher and has the steam turbine compared with harmonic(-)mean exothermic temperature
Combine, the high-temperature tail gas of gas turbine is entered waste heat boiler and produce steam, and steam is continued acting in steam turbine
Generate electricity, reach the purpose maximized favourable factors and minimized unfavourable ones, mutually make up, make the heat energy utilization level of whole combined cycle has bright compared with simple cycle
It is aobvious to improve.The net efficiency of combined cycle generation is up to 48%~62%.
The combined cycle system conventional at present double pressures widely used just like E grades of circulating power station, without reheat system and F
Three pressures, reheat system that level circulating power station is used.The former generates electricity net efficiency 50% or so, and the latter's generating net efficiency exists
More than 58%.Additionally, the also H more than 60% grades of combined cycle system of generating efficiency.Thermoelectricity (cold) coproduction, refers in steamer
Extracting a part of steam at the through-flow suitable location within of machine out is used for factory steam, and original intention is to realize the rational gradient of the energy
Utilize.The combined cycle efficiency of cogeneration of heat and power can reach more than 70%.
But, the existing combined heat and power circulatory system comes with some shortcomings.With main flow F grades of fuel gas-steam of existing market
As a example by combined cycle thermoelectric jointly-supplying technology, it is assumed that project 1 is:Steam power plant will go up two sets of F grades of gas Combineds of one-to-one type configuration
Turbine cycle group, steam demand of drawing gas be 2.0MPa, 285 DEG C, quantity of steam be specified 170t/h, maximum 250t/h, extremely most
Big 280t/h;Project 2 is:Steam power plant will go up two sets of F grades of gas Combined turbine cycle groups of one-to-one type configuration, and draw gas steam
Demand is 1.4MPa, and 265 DEG C, quantity of steam is specified 150t/h, maximum 210t/h, extreme maximum 280t/h.According to traditional rotation
Turn dividing plate to draw gas technology, locate to set before the through-flow pressure stage matched with the demand parameter that draws gas of the intermediate pressure cylinder of steam turbine a rotation every
Plate or seat cylinder valve realize adjusting the steam pressure of the demand of drawing gas, and the demand parameter of project 1 is 2.0MPa, and the demand of project 2
Parameter is 1.3MPa, it is meant that the position that vapor extraction device is through-flow in Steam Turbine Through IP Admission in two projects is different, a setting
Before the pressure stage that pressure is about 2.0MPa, before another is then arranged on the pressure about pressure stage of 1.3MPa, also imply that
Two models of steam turbine are different, so cause to be all F grades of gas Combined turbine cycle group of one-to-one type configuration, but cannot
Using the steam turbine of same model, unit through-flow or even will be redesigned together with vapor extraction device, cause workload to increase, machine
The versatility of group is decreased obviously, and unit cannot realize mass production, and the cost of Single unit job lot production unit substantially increases.And
And, traditional rotating barrier technology of drawing gas destroys the through-flow continuity of original Steam Turbine Through IP Admission, there is the through-flow interior effect of unit
The relatively low problem of rate.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of actual extraction temperature match with the demand temperature of drawing gas,
The internal efficiency high pressure cylinder transformation ratio cogeneration turbine system high that is applicable that demand parameter scope of drawing gas is wide, unit is through-flow, with gram
Take the drawbacks described above of prior art.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that:A kind of high pressure cylinder transformation ratio thermoelectricity
Alliance turbine system, including high pressure cylinder, intermediate pressure cylinder and reheater, air intake and the high-pressure admission pipeline communication of high pressure cylinder are high
The steam drain of cylinder pressure is connected by cold reheaing steam pipe with the entrance of reheater, and the outlet of reheater is pressed into steam pipe road in passing through
Connected with the air intake of intermediate pressure cylinder, the extraction line for leading to heat supply network is provided with cold reheaing steam pipe;The specified pressure of high pressure cylinder
Ratio is re, the continuously operation pressure ratio value allowable of high pressure cylinder is [r], and is met:[r]/re≥1.3。
Preferably, under the operating mode that extraction line draws gas, the pressure value at high pressure cylinder steam drain is reduced to the heat supply of heat supply network
Demand pressure value.
Preferably, the heat demand pressure value of heat supply network is P, as 1.0MPa≤P≤1.2MPa, the continuous operation of high pressure cylinder
Pressure ratio value [r] allowable and the specified pressure ratio r of high pressure cylindereRatio meet:3.0≤[r]/re≤5.0。
Preferably, the heat demand pressure value of heat supply network is P, as 1.2MPa≤P≤1.5MPa, the continuous operation of high pressure cylinder
Pressure ratio value [r] allowable and the specified pressure ratio r of high pressure cylindereRatio meet:2.0≤[r]/re≤4.0。
Preferably, the heat demand pressure value of heat supply network is P, as 1.5MPa≤P≤2.0MPa, the continuous operation of high pressure cylinder
Pressure ratio value [r] allowable and the specified pressure ratio r of high pressure cylindereRatio meet:1.5≤[r]/re≤3.0。
Preferably, the heat demand pressure value of heat supply network is P, as 2.0MPa≤P≤2.8MPa, the continuous operation of high pressure cylinder
Pressure ratio value [r] allowable and the specified pressure ratio r of high pressure cylindereRatio meet:1.3≤[r]/re≤2.0。
Preferably, the specified pressure ratio r of high pressure cylindereRatio with the continuously operation of high pressure cylinder pressure ratio value [r] allowable meets:
[r]/re≥1.4。
Preferably, the specified pressure ratio r of high pressure cylindereRatio with the continuously operation of high pressure cylinder pressure ratio value [r] allowable meets:
[r]/re≥1.5。
Preferably, the specified pressure ratio r of high pressure cylindereRatio with the continuously operation of high pressure cylinder pressure ratio value [r] allowable meets:
[r]/re≥1.6。
Preferably, the specified pressure ratio r of high pressure cylindereRatio with the continuously operation of high pressure cylinder pressure ratio value [r] allowable meets:
[r]/re≥1.7。
Compared with prior art, the utility model has significant progressive:Realize that row high draws gas by extraction line, in nothing
During heat demand, extraction line is closed, and turbine system is in single condition of supplying power, with the existing combined heat and power circulatory system in nothing
Still there is phase in the restriction loss that rotating barrier or seat cylinder valve inside supplying thermal condition tubine in through-flow middle intermediate pressure cylinder are caused
Than generating efficiency of the present utility model is significantly improved.When there is heat demand, the row high for extracting high pressure cylinder by extraction line steams
Vapour (i.e. cold reheated steam) simultaneously sends into heat supply network heat supply, due to the continuously operation of the utility model high pressure cylinder pressure ratio value [r] allowable with
Specified pressure ratio reRatio not less than 1.3, i.e. high pressure cylinder in the long-term maximum pressure ratio value that can continuously bear in running
[r] is not less than its specified pressure ratio re1.3 times so that the pressure value at the process high pressure cylinder steam drain that draws gas can be reduced to
Close or equal to the heat demand pressure value of heat supply network, the requirement that big flow is drawn gas is met, reduce row's steam pressure high and supplied with heat supply network
The difference of heat demand pressure, or be directly realized by row high and draw gas the matching of parameter and heat supply network heat demand parameter, so as to effectively keep away
Exempt from the waste of row's steam pressure potential energy high, improve the phenomenon of high-quality energy waste, and simplify system.The utility model improves high
The continuously operation pressure ratio value [r] allowable of cylinder pressure so that its applicable demand parameter scope of drawing gas is wider, improves the general of unit
Property, be conducive to the standardization and mass production of unit, reduce product design cycle and unit cost;Also make high pressure cylinder simultaneously
Acting ability increases, and improves the efficiency of steam turbine when drawing gas operating mode.Additionally, the utility model in steam turbine is through-flow without setting
Put rotating barrier or seat cylinder valve to realize drawing gas so that the through-flow internal efficiency of steam turbine is apparently higher than being equipped with traditional mode
The internal efficiency of extraction turbine.
Brief description of the drawings
Fig. 1 is the structural representation of the high pressure cylinder transformation ratio cogeneration turbine system of the utility model embodiment.
In figure:
HP, high pressure cylinder IP, intermediate pressure cylinder 2, reheater
3rd, heat supply network 4, high exhaust check valve 5, extraction control valve
6th, high-pressure admission valve group 6a, high pressure main stop valve 6b, septum valve
7th, steam valve group 7a, middle pressure stop valve 7b, reheat control valve are pressed into
100th, cold reheaing steam pipe 101, extraction line 200, in be pressed into steam pipe road
300th, high-pressure admission pipeline
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.These implementation methods are only
For illustrating the utility model, and it is not limitation of the utility model.
In description of the present utility model, it is necessary to explanation, term " on ", D score, "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " " interior ", " outward " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than the device or unit that indicate or imply meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
As shown in figure 1, a kind of embodiment of high pressure cylinder transformation ratio cogeneration turbine system of the present utility model.This reality
The high pressure cylinder transformation ratio cogeneration turbine system for applying example includes high pressure cylinder HP, intermediate pressure cylinder IP, reheater 2, cold reheated steam
Pipeline 100, in be pressed into steam pipe road 200 and high-pressure admission pipeline 300.
Wherein, the air intake of high pressure cylinder HP is connected with high-pressure admission pipeline 300, from high-pressure admission pipeline 300 to high pressure cylinder
High steam is passed through in HP.The steam drain of high pressure cylinder HP is connected by cold reheaing steam pipe 100 with the entrance of reheater 2, high
Row's steam (i.e. cold reheated steam) high of cylinder pressure HP steam drains discharge can be passed through in reheater 2 through cold reheaing steam pipe 100
Row is reheated.The outlet of reheater 2 is pressed into steam pipe road 200 and is connected with the air intake of intermediate pressure cylinder IP in passing through, and is produced in reheater 2
Reheat heat steam warp in be pressed into steam pipe road 200 and be passed through in intermediate pressure cylinder IP.It is provided with cold reheaing steam pipe 100 and leads to heat supply network
3 extraction line 101, for extracting the cold reheated steam in part in cold reheaing steam pipe 100, and the cold reheating that will be extracted is steamed
Vapour is passed through in heat supply network 3 for heat supply network 3 provides heat, to realize that row high draws gas.The present embodiment realizes that row high takes out by extraction line 101
Vapour, without realizing drawing gas in the through-flow interior setting rotating barrier of steam turbine or seat cylinder valve so that the through-flow internal efficiency of steam turbine is bright
The aobvious internal efficiency higher than the extraction turbine being equipped with traditional mode.
In the present embodiment, the specified pressure ratio value of high pressure cylinder HP is re, the continuously operation pressure ratio value allowable of high pressure cylinder HP is
[r], and meet:[r]/re≥1.3。
It should be noted that well known to a person skilled in the art the pressure ratio of turbine system high pressure cylinder refers to high pressure cylinder
The ratio between pressure at pressure and high pressure cylinder steam drain at air intake, is represented with r herein;The specified pressure ratio value of high pressure cylinder refers to
The rated steam inlet pressure of high pressure cylinder and the ratio of the rated steam exhaust pressure of high pressure cylinder, use r hereineRepresent;High pressure cylinder it is continuous
It refers to the high pressure cylinder maximum pressure ratio value to be born in long-term continuous running to run pressure ratio value allowable, is used herein
[r] is represented.Pressure mentioned herein is absolute pressure.The design that high pressure cylinder continuously runs pressure ratio value [r] allowable is caused
Steam-turbine unit pressure value in the process of running at high pressure cylinder steam drain has a minimum value limitation, is to ensure unit safety
Operation, the pressure value at high pressure cylinder steam drain should be not less than the minimum value.And the utility model is used and carried out by extraction line 101
The scheme that height row draws gas, under operating mode of drawing gas, the pressure at high pressure cylinder HP steam drains can be with extraction flow in extraction line 101
Increase and reduce, the pressure at high pressure cylinder steam drain can only at most be reduced to continuously run pressure ratio value [r] allowable by high pressure cylinder
The minimum value of restriction.In the prior art, after steam-turbine unit considers certain safety coefficient when the pressure ratio of high pressure cylinder is designed, use
High pressure cylinder continuously run pressure ratio value [r] allowable will be less than high pressure cylinder specified pressure ratio re1.3 times, i.e. [r]/re< 1.3.
If using the design of prior art high pressure cylinder pressure ratio, the pressure in the case where height row draws gas operating mode at high pressure cylinder steam drain is general most
3.0MPa or so can only be reduced to more, there is pressure potential wave higher compared to the heat demand pressure (such as 1.2MPa) of heat supply network
The phenomenon of expense, it is necessary to realized by decompressor is drawn gas the matching of parameter and heat supply network heat demand parameter.
Therefore, the present embodiment employs the design of the continuously operation pressure ratio value [r] allowable for improving high pressure cylinder HP, makes high pressure cylinder
The continuously operation pressure ratio value [r] allowable of HP is equal to or higher than its specified pressure ratio re1.3 times, i.e. [r]/re>=1.3 so that
Pressure value at process of drawing gas high pressure cylinder steam drain can be reduced to the heat demand pressure value close or equal to heat supply network, meet big
The requirement that flow draws gas, reduces the difference of row's steam pressure high and heat supply network heat demand pressure, or is directly realized by row high and draws gas
Parameter is matched with heat supply network heat demand parameter, saves the setting of decompressor, so as to be prevented effectively from row's steam pressure potential energy high
Waste, improve high-quality energy waste phenomenon, and simplify system.The continuously operation that the present embodiment improves high pressure cylinder HP is allowable
Pressure ratio value [r] so that its applicable demand parameter scope of drawing gas is wider, improves the versatility of unit, is conducive to the mark of unit
Standardization and mass production, reduce product design cycle and unit cost;Also increase the acting ability of high pressure cylinder HP simultaneously, carry
The efficiency of steam turbine when drawing gas operating mode is risen.
Preferably, in the present embodiment, the continuously operation of high pressure cylinder HP pressure ratio value [r] allowable can be designed as being equal to or high
In its specified pressure ratio re1.4 times, i.e. [r]/re≥1.4.Further, the continuously operation of high pressure cylinder HP pressure ratio value [r] allowable can
To be designed as being equal to or higher than its specified pressure ratio re1.5 times, i.e. [r]/re≥1.5.Further, high pressure cylinder HP's is continuous
Pressure ratio value [r] allowable is run to can be designed as being equal to or higher than its specified pressure ratio re1.6 times, i.e. [r]/re≥1.6.More enter
One step, the continuously operation pressure ratio value [r] allowable of high pressure cylinder HP can be designed as being equal to or higher than its specified pressure ratio re1.7
Times, i.e. [r]/re≥1.7。
Preferably, the heat demand pressure value of heat supply network 3 is P in the present embodiment, as 1.0MPa≤P≤1.2MPa, high pressure
The continuously operation pressure ratio value [r] allowable of cylinder HP and the specified pressure ratio r of high pressure cylinder HPeRatio meet:3.0≤[r]/re≤
5.0;As 1.2MPa≤P≤1.5MPa, the continuously operation pressure ratio value [r] allowable of high pressure cylinder HP and the specified pressure ratio of high pressure cylinder HP
Value reRatio meet:2.0≤[r]/re≤4.0;As 1.5MPa≤P≤2.0MPa, the continuously operation pressure allowable of high pressure cylinder HP
The specified pressure ratio r of ratio [r] and high pressure cylinder HPeRatio meet:1.5≤[r]/re≤3.0;As 2.0MPa≤P≤2.8MPa
When, the continuously operation pressure ratio value [r] allowable of high pressure cylinder HP and the specified pressure ratio r of high pressure cylinder HPeRatio meet:1.3≤
[r]/re≤2.0。
Further, in this implementation, steam valve group 7 is pressed into being provided with the air intake of intermediate pressure cylinder IP, for controlling and adjusting
The throttle flow of reheat heat steam.In be pressed into steam valve group 7 including middle pressure stop valve 7a and reheat control valve 7b, middle pressure stop valve 7a with
Reheat control valve 7b connects.Extraction control valve 5 is provided with extraction line 101, extraction control valve 5 is used to control and regulation is drawn gas
The flow of the cold reheated steam that pipeline 101 is extracted.Further increase in the heat demand of heat supply network 3 and the amount of drawing gas of extraction line 101
It is big to be reduced to the pressure at high pressure cylinder HP steam drains when minimum value that pressure ratio value [r] allowable limits continuously is run by high pressure cylinder,
Can by extraction control valve 5 and in be pressed into the mutual cooperation of reheat control valve 7b in steam valve group 7, to extraction line 101 with it is cold
Cold reheated steam assignment of traffic in reheaing steam pipe 100 is adjusted and controls, and realizes adjustable steam extraction and meets heat supply
Demand.
Additionally, the present embodiment is provided with high exhaust check valve 4 on cold reheaing steam pipe 100, and high exhaust check valve 4 is located at and takes out
The upstream in steam pipe road 101, high exhaust check valve 4 is used to prevent cold reheated steam from flowing backwards into high pressure cylinder HP.In entering for high pressure cylinder HP
Steam ports is provided with high-pressure admission valve group 6, the throttle flow for controlling and adjusting high steam.High-pressure admission valve group 6 includes high pressure
Stop valve 6a and septum valve 6b, high pressure main stop valve 6a and septum valve 6b connect.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and replacement can also be made, these change
Enter and replace also to should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of high pressure cylinder transformation ratio cogeneration turbine system, it is characterised in that including high pressure cylinder (HP), intermediate pressure cylinder (IP)
With reheater (2), the air intake of the high pressure cylinder (HP) connects with high-pressure admission pipeline (300), the row of the high pressure cylinder (HP)
Steam ports is connected by cold reheaing steam pipe (100) with the entrance of the reheater (2), and the outlet of the reheater (2) passes through
In be pressed into steam pipe road (200) and connected with the air intake of medium pressure cylinder (IP), be provided with the cold reheaing steam pipe (100)
Lead to the extraction line (101) of heat supply network (3);The specified pressure ratio value of the high pressure cylinder (HP) is re, the company of the high pressure cylinder (HP)
Reforwarding row pressure ratio value allowable is [r], and is met:[r]/re≥1.3。
2. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1, it is characterised in that drawn gas described
Under the operating mode that pipeline (101) draws gas, the heat supply that the pressure value at high pressure cylinder (HP) steam drain is reduced to the heat supply network (3) is needed
Seek pressure value.
3. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the heat
The heat demand pressure value of net (3) is P, as 1.0MPa≤P≤1.2MPa, the continuously operation pressure allowable of the high pressure cylinder (HP)
The specified pressure ratio r of ratio [r] and the high pressure cylinder (HP)eRatio meet:3.0≤[r]/re≤5.0。
4. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the heat
The heat demand pressure value of net (3) is P, as 1.2MPa≤P≤1.5MPa, the continuously operation pressure allowable of the high pressure cylinder (HP)
The specified pressure ratio r of ratio [r] and the high pressure cylinder (HP)eRatio meet:2.0≤[r]/re≤4.0。
5. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the heat
The heat demand pressure value of net (3) is P, as 1.5MPa≤P≤2.0MPa, the continuously operation pressure allowable of the high pressure cylinder (HP)
The specified pressure ratio r of ratio [r] and the high pressure cylinder (HP)eRatio meet:1.5≤[r]/re≤3.0。
6. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the heat
The heat demand pressure value of net (3) is P, as 2.0MPa≤P≤2.8MPa, the continuously operation pressure allowable of the high pressure cylinder (HP)
The specified pressure ratio r of ratio [r] and the high pressure cylinder (HP)eRatio meet:1.3≤[r]/re≤2.0。
7. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the height
The specified pressure ratio r of cylinder pressure (HP)eRatio with the continuously operation of the high pressure cylinder (HP) pressure ratio value [r] allowable meets:[r]/re
≥1.4。
8. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the height
The specified pressure ratio r of cylinder pressure (HP)eRatio with the continuously operation of the high pressure cylinder (HP) pressure ratio value [r] allowable meets:[r]/re
≥1.5。
9. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the height
The specified pressure ratio r of cylinder pressure (HP)eRatio with the continuously operation of the high pressure cylinder (HP) pressure ratio value [r] allowable meets:[r]/re
≥1.6。
10. high pressure cylinder transformation ratio cogeneration turbine system according to claim 1 and 2, it is characterised in that the height
The specified pressure ratio r of cylinder pressure (HP)eRatio with the continuously operation of the high pressure cylinder (HP) pressure ratio value [r] allowable meets:[r]/re
≥1.7。
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CN201621262468.9U CN206267894U (en) | 2016-11-11 | 2016-11-11 | A kind of high pressure cylinder transformation ratio cogeneration turbine system |
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CN201621262468.9U CN206267894U (en) | 2016-11-11 | 2016-11-11 | A kind of high pressure cylinder transformation ratio cogeneration turbine system |
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ID=59039802
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106337700A (en) * | 2016-11-11 | 2017-01-18 | 上海电气电站设备有限公司 | High-pressure cylinder pressure-variable quenching device for steam turbine system |
-
2016
- 2016-11-11 CN CN201621262468.9U patent/CN206267894U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106337700A (en) * | 2016-11-11 | 2017-01-18 | 上海电气电站设备有限公司 | High-pressure cylinder pressure-variable quenching device for steam turbine system |
CN106337700B (en) * | 2016-11-11 | 2019-04-19 | 上海电气电站设备有限公司 | A kind of high pressure cylinder transformation ratio cogeneration turbine system |
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GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20190419 |
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