CN205370658U - Steam turbine safety steam extraction protection device with adjustable - Google Patents
Steam turbine safety steam extraction protection device with adjustable Download PDFInfo
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- CN205370658U CN205370658U CN201620057191.XU CN201620057191U CN205370658U CN 205370658 U CN205370658 U CN 205370658U CN 201620057191 U CN201620057191 U CN 201620057191U CN 205370658 U CN205370658 U CN 205370658U
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- 238000000605 extraction Methods 0.000 title abstract 10
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000008520 organization Effects 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000002153 concerted effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000005191 phase separation Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 7
- 208000002925 dental caries Diseases 0.000 description 4
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- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000002372 labelling Methods 0.000 description 1
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Abstract
The utility model discloses a steam turbine safety steam extraction protection device with adjustable belongs to steam turbine auxiliary machine facility technical field, this steam extraction protection device valve body with set up in the steam extraction of valve body entry, steam extraction export, be equipped with steam extraction control mechanism in the valve body, steam extraction control mechanism is including setting up division board, disk seat in the valve body and the valve disc that seals with the disk seat cooperation, the valve disc is provided with transfers power mechanism, makes the big or small adjustable of valve disc and disk seat phase separation power, the utility model discloses a steam turbine safety steam extraction protection device with adjustable, when the pressure in the steam turbine steam exhaust system exceeded the atmospheric pressure, the valve can automatic be opened and release pressure to guarantee economic nature of unit moving and stability, this kind of steam extraction protection device has the advantage that the controllability is good again simultaneously, makes can satisfy the requirement of unit safety steam extraction threshold value through swaing the proper amount regulation of power mechanism under different work condition, for the certain operation surplus of this protection device reservation.
Description
Technical field
This utility model relates to a kind of releasing pressure automatically protection device, and particularly a kind of adjustable Turbine Safety steam discharge protection device, belongs to steam turbine auxiliary equipment technical field.
Background technology
Cooling system is the important step in turbine system operating, its objective is turbine discharge is condensed to ensure the low back pressure exported, to ensure economy and the stability that unit operates.
But under the spike Operation Conditions of steam turbine, particularly when summer temperature is higher, Steam Turbine is likely to occur high back pressure operating mode.In order to maintain the pressure of equipment to guarantee the safety of operating, when the pressure in system exceedes atmospheric pressure, it is necessary to discharge certain pressure.
Summary of the invention
Goal of the invention of the present utility model is in that: for above-mentioned Problems existing; a kind of Turbine Safety steam discharge protection device is provided; when the pressure in turbine discharge system exceedes atmospheric pressure; valve can automatically open up and discharge pressure; to ensure the economy and stability that unit operates; the device of this steam discharge protection simultaneously has again the advantage that controllability is good; make to be met by appropriate adjustment the requirement of unit safety steam discharge threshold value under different operating modes, reserve certain operation surplus for this protection device.
The technical solution adopted in the utility model is as follows:
Adjustable Turbine Safety steam discharge protection device, including valve body and the steam discharge entrance being arranged on valve body, exhaust vent, is provided with steam discharge controlling organization in valve body, described steam discharge entrance is disconnected by steam discharge controlling organization with between exhaust vent or connects；Described steam discharge controlling organization includes the demarcation strip being arranged in valve body, described demarcation strip is provided with valve seat, the ring week of valve seat offers seal groove, sealing strip it is embedded in seal groove, described valve seat is equipped with the valve disc that can separate with valve seat and fit, the seal groove of described valve disc and valve seat and sealing strip coordinate and seal, and connect between steam discharge entrance and exhaust vent when valve disc separates with valve seat, and when valve disc and valve seat laminating, steam discharge entrance exhaust vent is separated；Described valve disc is additionally provided with force adjustment mechanism, and described force adjustment mechanism makes valve disc and valve seat be separated the size scalable of power.Adjustable Turbine Safety steam discharge of the present utility model protection device; steam discharge entrance and exhaust vent place valve body are divided into two relatively independent cavitys by demarcation strip; valve seat is arranged on demarcation strip; valve seat is ringwise; seal between the sealing strip at valve base sealing groove and sealing strip cooperation valve disc edge two cavitys to steam discharge entrance and exhaust vent; when steam discharge inlet pressure is too high, valve disc separation valve seat is promoted to realize pressure release.The design of force adjustment mechanism make it possible to a certain degree with the separating force of fine setting valve disc and valve seat in scope, enabling in certain amplitude, change the unlatching threshold value of this Turbine Safety steam discharge protection device, improve the adaptive capacity of this device.Force adjustment mechanism can rely on the damping mode such as adjusted design, elastic resistance design to realize.
Further, described valve disc liftable is arranged at the top of valve seat so that it is rely on valve disc vertical direction make a concerted effort and the pressure of turbine discharge realizes separating and laminating of valve disc and valve seat.By valve disc gravity Seal Design, it is possible to ensure the succinct of mechanism, and the control performance with pressure is good, the stable advantage of control ability.
Further, described valve body being additionally provided with water seal water inlet and water seal outlet, described water seal water inlet and water seal outlet are respectively positioned on the valve body position on demarcation strip.Valve body on demarcation strip arranges water seal water inlet and water seal outlet enables to formation fluid-tight on demarcation strip; even if when there is a small amount of leakage in sealing surface; it is water rather than air that the water seal water of addition valve guarantees to leak in system; vacuum to ensure system can be maintained, and improves the reliability of steam discharge protection device.
Further, the upper side of described valve disc is provided with the guiding mechanism of the process guide that separates for valve disc and fit, described guiding mechanism includes fairlead and the lead suitable with fairlead, fairlead or lead are fixed on valve disc, adaptive lead or fairlead are fixed on the valve gap position of valve body, and described force adjustment mechanism is the adjustable elastic component of the elastic force being arranged between fairlead and fairlead.Guiding mechanism ensure that valve disc separation and the stability of laminating process, and under guiding mechanism effect, also ensure that the reliability of valve disc and the sealing of valve seat.
Further, the upper side of described valve disc arranges fairlead, the lead suitable with fairlead is fixed on the valve gap position of valve body, described elastic component is compression spring, this compression spring is assemblied on lead, the top of described lead be additionally provided with can the adjustable plate of up-down adjustment, compression spring is between adjustable plate and fairlead so that can be regulated the decrement of compression spring by up-down adjustment adjustable plate.The fine adjustment of the unlatching threshold value of device is can be realized as this Turbine Safety steam discharge is protected by regulating the decrement of compression spring; not only there is simple for structure, workable advantage; and compress spring regulative mode and additionally provide certain buffer capacity, it is ensured that pressure leak process steadily and controlled.
Further, being provided with a buck plate inside the valve gap position of described valve body, described adjustable plate is positioned at the lower section of buck plate, and is adjusted the up-down adjustment of plate by the adjusting bolt on buck plate.By turning of bolt, adjustable plate is carried out up-down adjustment, simple to operation, and controllability is good.
Further, being additionally provided with the hoisting mechanism promoted for valve disc, described hoisting mechanism includes lifting arm, and the lower end of described lifting arm is slidably linked on the fairlead of valve disc upper side, and lifting arm penetrates valve gap, and top is provided with lifting actuator.Valve disc can be promoted by hoisting mechanism, in order to assembling, debugging and safeguard, by mechanism promote valve disc can be used for detection valve disc stroke whether normal.
Further, the sealing strip top position of described seal groove is further opened with gas pressure relief slot radially.The sealing strip top position of the seal groove in this utility model is further opened with gas pressure relief slot radially, can effectively avoid in pressure leak process because the sealing strip that air-flow factor is likely to result in departs from seal groove or shifts so that the problem of seal failure, it is ensured that the reliability of sealing.
Further, described gas pressure relief slot is distributed along the even circumferential of seal groove.Make on whole seal groove each section impartial at airflow function lower stress, it is ensured that sealing reliable.
Further, described valve disc is provided with balancing weight.Balancing weight allows to regulate the unlatching threshold value of device either directly through its weight.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Described adjustable Turbine Safety steam discharge protection device; when the pressure in turbine discharge system exceedes atmospheric pressure; valve can automatically open up and discharge pressure; to ensure the economy and stability that unit operates; the device of this steam discharge protection simultaneously has again the advantage that controllability is good; make to meet by exchanging the appropriate adjustment of force mechanisms the requirement of unit safety steam discharge threshold value under different operating modes, reserve certain operation surplus for this protection device.
Accompanying drawing explanation
Fig. 1 is adjustable Turbine Safety steam discharge of the present utility model protection apparatus structure schematic diagram；
Fig. 2 is the A-A cross-sectional view of this utility model Fig. 1；
Fig. 3 is the A point enlarged diagram in this utility model Fig. 2；
Fig. 4 is the B point enlarged diagram in this utility model Fig. 2；
Fig. 5 is valve seat top view of the present utility model.
Labelling in figure: 1-valve body, 11-valve gap, 12-water seal water inlet, 13-water seal outlet, 14-liquid level observation pipe, 15-drain valve, 2-steam discharge entrance, 3-exhaust vent, 41-demarcation strip, 42-valve seat, 421-seal groove, 422-sealing strip, 423-gas pressure relief slot, 43-valve disc, 431-balancing weight, 44-lead, 45-fairlead, 451-limiting card, 46-lifting arm, 47-promote handwheel, 5-elastic component, 6-buck plate, 61-adjustable plate, 62-adjusting bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Embodiment
Adjustable Turbine Safety steam discharge of the present utility model protection device; its structure is as shown in Figure 1; including valve body 1 and the steam discharge entrance 2 being arranged on valve body 1, exhaust vent 3; it is provided with steam discharge controlling organization in valve body 1, is disconnected by steam discharge controlling organization between steam discharge entrance 2 with exhaust vent 3 or connect.
In the present embodiment, steam discharge controlling organization includes the demarcation strip 41 being arranged in valve body 1, described demarcation strip 41 is provided with valve seat 42, the ring week of valve seat 42 offers seal groove 421, sealing strip 422 it is embedded in seal groove 421, described valve seat 42 is equipped with the valve disc 43 that can separate with valve seat 42 and fit, the seal groove 421 of valve disc 43 and valve seat 42 and sealing strip 422 coordinate and seal, connecting between steam discharge entrance 2 and exhaust vent 3 when valve disc 43 separates with valve seat 42, when valve disc 43 is fitted with valve seat 42, steam discharge entrance 2 and exhaust vent 3 are separated.In a specific embodiment, the valve body 1 of tank structure is divided into upper and lower two cavitys by demarcation strip 41, steam discharge entrance 2, exhaust vent 3 are separately positioned on valve body 1 sidepiece of two cavitys, and the valve seat 42 passing through to arrange on demarcation strip 41 carries out sealing valve disc 43 and seals, its structure is as shown in Figures 2 and 3.
In specific embodiment, the valve seat 42 of annular is bolted on demarcation strip 41, and the position combined is provided with sealing strip, as shown in Figure 3.
So that this protection device has performance-adjustable; valve disc 43 is additionally provided with force adjustment mechanism; this force adjustment mechanism makes valve disc 43 and valve seat 42 be separated the size scalable of power; thus realizing this Turbine Safety steam discharge protection device to open the adjustability of threshold value, to meet turbine system and the needs of different operating mode.Force adjustment mechanism can by frictional force in the unlatching damping of valve disc, opening process or in opening process reciprocal elastic force etc. realize.
In a specific embodiment, valve disc 43 liftable is arranged at the top of valve seat 42, as shown in Figure 2 so that it is rely on valve disc vertical direction make a concerted effort and the pressure of turbine discharge realizes separating and laminating of valve disc 43 and valve seat 42.Valve disc 43 is additionally also provided with balancing weight 431 and makes it possible to adjust the gravity of valve disc 43, to reach the Fixed Design of device unlatching threshold value.
Owing to valve disc 43 exists up and down motion in valve body 1, in order to ensure stability and the reliability of its work process, valve disc separation and the guiding mechanism of laminating process guide further it is arranged at the upper side of valve disc 43, this guiding mechanism includes fairlead 45 and the lead 44 suitable with fairlead 45, fairlead 45 or lead 44 are fixed on valve disc 43, and adaptive lead 44 or fairlead 45 are fixed on valve gap 11 position of valve body 1.In this design basis, force adjustment mechanism is the adjustable elastic component 5 of the elastic force being arranged between fairlead 45 and fairlead 45.By the adjustment to elastic component 5 elastic force, it is achieved the flexible of the threshold value that valve disc 43 is opened, to reach the purpose of flexible modulation steam turbine exhaust pressure.
In a specific embodiment elastic component 5 and mounting structure thereof are described in detail.The upper side of valve disc 43 arranges fairlead 45, the lead 44 suitable with fairlead 45 is fixed on valve gap 11 position of valve body 1, described elastic component 5 is compression spring, this compression spring is assemblied on lead 44, the top of lead 44 is additionally provided with can the adjustable plate 61 of up-down adjustment, compression spring is between adjustable plate 61 and fairlead 45 so that can be regulated the decrement of compression spring by up-down adjustment adjustable plate 61, structure is as shown in Figure 2 and Figure 4.
In another embodiment, the adjusted design of adjustable plate 61 is described in detail.Being provided with a buck plate 6 inside valve gap 11 position of valve body 1, adjustable plate 61 is positioned at the lower section of buck plate 6, and is adjusted the up-down adjustment of plate 61 by the adjusting bolt 62 on buck plate 6, and structure is as shown in Figure 4.In addition, additionally it is possible to adopt adjustable plate 61 and the mode threadeded between lead 44, realize it move up and down by rotating adjustable plate 61.
In addition, the downside of valve disc 43 is additionally provided with another lead 44, the fairlead 45 suitable with this lead 44 is the center being fixed on valve seat 42 by the gusset being connected with valve seat 42, as shown in Figure 2 and Figure 5, to strengthen the stability of valve disc 43 lifting process.
The sealing structure of valve disc and valve seat is elaborated by this utility model.The edge of valve disc 43 has and the sealing ring protruding from valve disc 43 plane of seal groove 421 and sealing strip 422 adaptation, and this sealing ring constitutes sealing structure with seal groove 421, sealing strip 422 after valve disc 43 and valve seat 42 are fitted.Due in the discharge process of steam discharge after valve disc 43 promotes, the flowing of air-flow makes the elaboration that sealing strip 422 in seal groove 421 is likely to be partially disengaged cell body or assembling be damaged, in order to solve this problem, it is further opened with gas pressure relief slot 423 radially in sealing strip 422 top position of seal groove 421, as shown in Figure 3 and Figure 5, to ensure the effective of sealing, owing to gas pressure relief slot 423 is arranged on the seal groove 421 of sealing strip 422 top position, and seal process is mainly by valve disc 43, sealing is formed bottom sealing strip and seal groove 421, therefore gas pressure relief slot 423 design is not result in sealing principle and is damaged.Whole seal groove 421 ring week offers multiple gas pressure relief slot 423 as required.
Optimizing further and improving as gas pressure relief slot 423 design, in another detailed description of the invention, gas pressure relief slot 423 is to be distributed along the even circumferential of seal groove 421, to ensure the uniform of sealing strip 422 stress on whole annular space, ensure the reliable of sealing, as shown in Figure 5.
For the ease of installing, debug and safeguarding; Turbine Safety steam discharge of the present utility model protection device is additionally provided with the hoisting mechanism promoted for valve disc 43; hoisting mechanism is as shown in Figure 2 in a specific embodiment; including lifting arm 46; the lower end of lifting arm 46 is slidably linked on the fairlead 45 of valve disc 43 upper side; the upper end of this fairlead 45 has one for spacing limiting card 451; limiting card 451, in order to limit the lifting arm 46 maximum displacement position at fairlead 45, also provides mounting platform for elastic component 5 simultaneously.Lifting arm 46 penetrates valve gap 11, and top is provided with lifting actuator, promotes actuator for promoting handwheel 47 in the present embodiment.
Additionally, valve body 1 is additionally provided with water seal water inlet 12 and water seal outlet 13, water seal water inlet 12 and water seal outlet 13 are respectively positioned on valve body 1 position on demarcation strip 41, are additionally provided with liquid level observation pipe 14, as depicted in figs. 1 and 2 on the valve body 1 on demarcation strip 41 simultaneously.It is provided with drain valve 15 bottom described valve body 1.
Turbine Safety steam discharge of the present utility model protection device work process is as follows: turbine discharge pipeline is connected with steam discharge entrance 2; steam discharge enters in the lower chamber of valve body; when pressure exceedes design load; the pressure of steam discharge is by valve disc 43 lifting; steam discharge enters the upper cavity of valve body through steam discharge controlling organization, and discharges from exhaust vent 3.When valve disc 43 Fixed Design or operating mode can not meet steam discharge protection device operating pressure require time; the up-down adjustment of plate 61 it is adjusted by adjusting adjusting bolt 62; carry out, by the change of elastic force size, the threshold value that adjusting valve disc 43 is opened, and realize the adjustability of this Turbine Safety steam discharge protection device.
Turbine Safety steam discharge of the present utility model protection device, structure is ingenious rationally, namely can realize pressure release when steam turbine exhaust pressure exceeds standard by the design of itself, to ensure the safety and stability that unit operates；The device of this steam discharge protection simultaneously has again the advantage that controllability is good so that can be met the requirement of unit safety steam discharge threshold value under different operating modes by appropriate adjustment, reserve certain operation surplus for this protection device；Additionally gas pressure relief slot radially is offered in the sealing strip top position of seal groove, it is possible to effectively avoid in pressure leak process because the sealing strip that air-flow factor is likely to result in departs from seal groove or shifts so that the problem of seal failure, it is ensured that the reliability of sealing；And even if the fluid-tight of demarcation strip design makes when a small amount of leakage occurs in sealing surface, it is water rather than air that water seal water guarantees to leak in system, and the vacuum to ensure system can be maintained, and improves the reliability of steam discharge protection device.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (10)
1. adjustable Turbine Safety steam discharge protection device; it is characterized in that: include valve body (1) and the steam discharge entrance (2) being arranged on valve body (1), exhaust vent (3); being provided with steam discharge controlling organization in valve body (1), described steam discharge entrance (2) is disconnected by steam discharge controlling organization with between exhaust vent (3) or connects；Described steam discharge controlling organization includes the demarcation strip (41) being arranged in valve body (1), described demarcation strip (41) is provided with valve seat (42), the ring week of valve seat (42) offers seal groove (421), sealing strip (422) it is embedded in seal groove (421), described valve seat (42) is equipped with the valve disc (43) that can separate with valve seat (42) and fit, the seal groove (421) of described valve disc (43) and valve seat (42) and sealing strip (422) coordinate and seal, connect between steam discharge entrance (2) and exhaust vent (3) when valve disc (43) separates with valve seat (42), when valve disc (43) and valve seat (42) laminating, steam discharge entrance (2) and exhaust vent (3) are separated；Described valve disc (43) is additionally provided with force adjustment mechanism, and described force adjustment mechanism makes valve disc (43) and valve seat (42) be separated the size scalable of power.
2. adjustable Turbine Safety steam discharge as claimed in claim 1 protection device; it is characterized in that: described valve disc (43) liftable is arranged at the top of valve seat (42) so that it is rely on valve disc vertical direction make a concerted effort and the pressure of turbine discharge realizes separating and laminating of valve disc (43) and valve seat (42).
3. adjustable Turbine Safety steam discharge as claimed in claim 2 protection device; it is characterized in that: being additionally provided with water seal water inlet (12) and water seal outlet (13) on described valve body (1), described water seal water inlet (12) and water seal outlet (13) are respectively positioned on valve body (1) position on demarcation strip (41).
4. adjustable Turbine Safety steam discharge as claimed in claim 2 protection device, it is characterized in that: the upper side of described valve disc (43) is provided with the guiding mechanism of the process guide that separates for valve disc and fit, described guiding mechanism includes fairlead (45) and the lead (44) suitable with fairlead (45), fairlead (45) or lead (44) are fixed on valve disc (43), adaptive lead (44) or fairlead (45) are fixed on valve gap (11) position of valve body (1), described force adjustment mechanism is the adjustable elastic component of the elastic force (5) being arranged between fairlead (45) and fairlead (45).
5. adjustable Turbine Safety steam discharge as claimed in claim 4 protection device, it is characterized in that: the upper side of described valve disc (43) arranges fairlead (45), the lead (44) suitable with fairlead (45) is fixed on valve gap (11) position of valve body (1), described elastic component (5) is compression spring, this compression spring is assemblied on lead (44), the top of described lead (44) is additionally provided with can the adjustable plate (61) of up-down adjustment, compression spring is positioned between adjustable plate (61) and fairlead (45), make to pass through up-down adjustment adjustable plate (61) and regulate the decrement of compression spring.
6. adjustable Turbine Safety steam discharge as claimed in claim 5 protection device; it is characterized in that: inside valve gap (11) position of described valve body (1), be provided with a buck plate (6); described adjustable plate (61) is positioned at the lower section of buck plate (6), and is adjusted the up-down adjustment of plate (61) by the adjusting bolt (62) on buck plate (6).
7. adjustable Turbine Safety steam discharge as claimed in claim 5 protection device; it is characterized in that: be additionally provided with the hoisting mechanism promoted for valve disc (43); described hoisting mechanism includes lifting arm (46); the lower end of described lifting arm (46) is slidably linked on the fairlead (45) of valve disc (43) upper side; lifting arm (46) penetrates valve gap (11), and top is provided with lifting actuator.
8. adjustable Turbine Safety steam discharge as claimed in claim 1 protection device, it is characterised in that: sealing strip (422) top position of described seal groove (421) is further opened with gas pressure relief slot (423) radially.
9. adjustable Turbine Safety steam discharge as claimed in claim 8 protection device, it is characterised in that: described gas pressure relief slot (423) is distributed along the even circumferential of seal groove (421).
10. adjustable Turbine Safety steam discharge as claimed in claim 1 protection device, it is characterised in that: described valve disc (43) is provided with balancing weight (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057191.XU CN205370658U (en) | 2016-01-21 | 2016-01-21 | Steam turbine safety steam extraction protection device with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057191.XU CN205370658U (en) | 2016-01-21 | 2016-01-21 | Steam turbine safety steam extraction protection device with adjustable |
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| Publication Number | Publication Date |
|---|---|
| CN205370658U true CN205370658U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620057191.XU Expired - Fee Related CN205370658U (en) | 2016-01-21 | 2016-01-21 | Steam turbine safety steam extraction protection device with adjustable |
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| CN (1) | CN205370658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392997A (en) * | 2020-11-17 | 2021-02-23 | 连云港佑丰电力设备有限公司 | Horizontal water-sealed atmospheric safety valve |
-
2016
- 2016-01-21 CN CN201620057191.XU patent/CN205370658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392997A (en) * | 2020-11-17 | 2021-02-23 | 连云港佑丰电力设备有限公司 | Horizontal water-sealed atmospheric safety valve |
| CN112392997B (en) * | 2020-11-17 | 2022-01-04 | 连云港佑丰电力设备有限公司 | Horizontal water-sealed atmospheric safety valve |
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Effective date of registration: 20160829 Address after: 618304 small South Village, Xiao Han Town, Sichuan, Guanghan Patentee after: Sichuan Jingcheng Energy Equipment Co.,Ltd. Address before: 618000 Deyang province Sichuan City Jingyang District Tianyuan town Qinghai Road East Qinghe District Court No. 8 1-4-1 Patentee before: DEYANG HUOLI DYNAMIC THERMAL ELECTROMECHANICAL Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |