CN106051175A - Novel photo-thermal power generation fused salt valve capable of avoiding residues - Google Patents
Novel photo-thermal power generation fused salt valve capable of avoiding residues Download PDFInfo
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- CN106051175A CN106051175A CN201610394218.9A CN201610394218A CN106051175A CN 106051175 A CN106051175 A CN 106051175A CN 201610394218 A CN201610394218 A CN 201610394218A CN 106051175 A CN106051175 A CN 106051175A
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- valve
- fused salt
- valve body
- described valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
- F16K1/06—Special arrangements for improving the flow, e.g. special shape of passages or casings
- F16K1/10—Special arrangements for improving the flow, e.g. special shape of passages or casings in which the spindle is inclined to the general direction of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a novel photo-thermal power generation fused salt valve capable of avoiding residues. The novel photo-thermal power generation fused salt valve is a Y-shaped valve and comprises a valve body, a valve rod, a support, a hand wheel, a medium inlet channel and a medium outlet channel. The valve body and the support are integrally formed and integrally forged. A valve rod cavity is formed in the valve body, the valve rod extends into the valve rod cavity and is sleeved with a corrugated pipe in an embedded manner, and the corrugated pipe is located in the valve rod cavity. A packing box is arranged above the corrugated pipe, the valve rod is sleeved with the packing box in an embedded manner, a packing ring is placed in the packing box and is tightly pressed through a packing gland above the packing ring, and the packing gland is connected with the valve body through a bolt. The angle alpha formed between the medium inlet channel and the horizontal plane ranges from 10 degrees to 20 degrees, and the angle beta formed between the medium outlet channel and the horizontal plane ranges from 10 degrees to 20 degrees. The fused salt valve is simple in structure, good in sealing performance and convenient and rapid to operate; during work, no leakage happens, safety and reliability are achieved, and the service life is longer; and when a fused salt system stops operating, the situation that due to the fact that fused salt is left and solidified in the valve, the valve is blocked is avoided.
Description
Technical field
The present invention relates to high-temperature molten salt heat utilization field, particularly to the photo-thermal generating fused salt valve of a kind of anti-residual.
Background technology
Fused salt, as the heat transfer heat-storage medium of a kind of high heat capacity, is paid close attention to the most widely, and it is as a kind of performance relatively
Good heat transfer medium, operating temperature is that the heat transfer mediums such as traditional Hydrocarbon and conduction oil are cannoted up to 560 degrees Celsius
Compare.Fused salt is that a kind of low cost, life-span length, high temperature (more than 500 DEG C) that heat exchange property is good, high heat-flux (are more than
105W/m2) and low pressure (< 2bar) heat transfer medium, this allows for it the biggest advantage in commercial Application.Research shows, fortune
Solar power station operation temperature can be made to bring up to 450～600 DEG C with the generating of high temperature nitric acid fused salt, thus make steam turbine
Machine generating efficiency brings up to 40%.Additionally, use molten fused salt that heat accumulation efficiency can also be made to improve 2.5 times, thus reduce accumulation of heat and hold
The volume of device.
In actual mechanical process, fused salt operating temperature controls between 450～596 DEG C, and maximum pressure is 40bar, fused salt
Flowing velocity was about for 44～50kg/ seconds, and the safety of whole system can to cause the valve mass on fused salt pipeline to influence whether undoubtedly
By property.Therefore, fused salt pipeline often needs to be controlled by fused salt valve high temperature resistant, corrosion resistant；But, in prior art,
Owing to this kind of valve is after stopping using, due to higher for photo-thermal power generation lava fusing point, about at about 230 DEG C, fused salt
Dead angle in valve can produce fused salt residual, if the fused salt of residual can not be discharged in time, the nitrate of molten state can crystallize rapidly,
It is attached at the dead angle of fused salt valve so that there is sloppy heat salt and easily crystallize on valve, cause valve blockage, the most easily problem；
Furthermore, in production process, owing to the process system temperature and pressure controlled is the highest so that it is poor that valve exists sealing, valve
The problem easily revealed.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, good airproof performance, the photo-thermal of anti-residual are sent out
Electric smelting salt valve, with solve for photo-thermal generating molten salt high-melting-point easily at valve intercrystalline, cause valve blockage, operation the most convenient,
The problem easily revealed.
In order to solve above-mentioned technical problem, the technical scheme is that
The photo-thermal generating fused salt valve of a kind of anti-residual, for Y-valve door, including valve body, valve rod, support, handwheel, medium
Intake channel and media outlet channel；Valve body is one-body molded with support, solid forging；Being provided with valve-rod cavity in valve body, valve rod extends
To valve-rod cavity, valve rod being nested with corrugated tube, corrugated tube is positioned in valve-rod cavity；It is positioned at corrugated tube and is arranged over central coaxial
Stuffing box, stuffing box is nested on valve rod, is inside placed with packing ring, and packing ring is compressed by the gland above it, filler
Gland is connected with valve body by bolt；Medium entrance passage is 10～20 DEG C with the angle [alpha] span of horizontal plane, media outlet
Passage is 10～20 DEG C with the angle beta span of horizontal plane.
As further technical scheme, valve rod is 50～65 DEG C with the angle γ span of horizontal plane.
It is that low flow resistance is streamlined as further technical scheme, medium entrance passage and media outlet channel；Medium enters
Mouth pipeline is provided with transition passage, curved of transition passage bending place near valve seat one end.
As further technical scheme, being positioned at bottom valve-rod cavity and be provided with valve seat in valve body, valve seat is provided with in annular tiltedly
Face, valve rod bottom is fixedly connected with flap, and flap is provided with the annular lower inclined plane of laminating corresponding with the annular ramp of valve seat.
It is provided with hard alloy layer as further technical scheme, annular ramp and annular lower inclined plane.
As further technical scheme, stuffing box bottom is positioned at inside valve body, welds with valve seal, stuffing box top
It is positioned at gland；Packing ring top is provided with seal cartridge, and seal cartridge is conflicted with gland, and packing ring bottom is provided with close
Seal washer.
As further technical scheme, corrugated tube top seals with stuffing box and welds, its bottom and valve rod bottom end seal
Welding.
As further technical scheme, valve rod connects drive link by split guide plate, and valve is passed through on the top of drive link
Stem nut is connected with handwheel, and split guide plate is connected with fixing bar, and fixing bar two ends are fixed on valve body.
As further technical scheme, valve body being provided with york piece lining and thrust bearing, valve stem nut is fixed on valve
On body, york piece lining is nested between valve stem nut and valve body, and to compress valve stem nut, thrust bearing is located under york piece lining
Hold and between york piece lining and valve stem nut.
As further technical scheme, valve body is provided with oil nozzle, and oil nozzle connects with valve stem nut；York piece lining and valve body
Between be provided with stop washer.
Use technique scheme, owing to valve body is one-body molded with support, solid forging, there is no the welding of cutting, molten
In the case of salt high-temperature gasification penetration is very strong, largely avoided the defects such as the gap sand holes that valve exists and accelerating medium corrosion
Generation, simplify product structure, maintain easily personnel maintenance.
Owing to being nested with corrugated tube on valve rod, being positioned at corrugated tube and be arranged over the stuffing box of central coaxial, stuffing box is nested
On valve rod, being inside placed with packing ring, packing ring is compressed by the gland above it, and gland passes through bolt and valve body
Connect so that in corrugated tube with stuffing box under the dual sealing functions of packing ring, it is therefore prevented that medium occurs leakage on valve rod,
Ensure that the safety of operation.
Owing to the angle [alpha] span of medium entrance passage Yu horizontal plane is 10～20 DEG C, media outlet channel and level
The angle beta span in face is 10～20 DEG C so that valve has the highest discharge coefficient, can reduce in valve to greatest extent
Resistance drop, effectively reduces the erosive wear to valve, without precipitation medium, thus realizes little flow resistance, and fast opening and closing, from excretion.
Present configuration is simple, good airproof performance, simple operation, No leakage during work, safe and reliable, service life is longer,
And when salt melting system is out of service, will not retain in valve because of sloppy heat salt, solidify, and cause valve blockage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the photo-thermal generating fused salt valve of a kind of anti-residual of the present invention；
Fig. 2 is body base structural representation in Fig. 1；
Fig. 3 is stuffing box structural representation in Fig. 1.
In figure, 1-valve body, 2-valve rod, 3-support, 4-handwheel, 5-medium entrance passage, 6-media outlet channel, 7-valve rod
Chamber, 8-valve seat, 9-flap, 10-corrugated tube, 11-annular ramp, 12-annular lower inclined plane, 13-hard alloy layer, 14-filler
Box, 15-packing ring, 16-gland, 17-resilient, elastomeric, 18-seal cartridge, 19-seal washer, 20-, split guide plate
21-drive link, 22-fixes bar, 23-valve stem nut, 24-york piece lining, 25-thrust bearing.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.At this it should be noted that for
The explanation of these embodiments is adapted to assist in and understands the present invention, but is not intended that limitation of the invention.Additionally, it is disclosed below
As long as each embodiment of the present invention in involved technical characteristic do not constitute conflict each other and just can be mutually combined.
As it is shown in figure 1, the photo-thermal generating fused salt valve of a kind of anti-residual of the present invention, for Y-valve door, including valve body 1,
Valve rod 2, support 3, handwheel 4, medium entrance passage 5 and media outlet channel 6；Valve body 1 is one-body molded with support 3, and support 3
Quantity is set can arrange according to the model size of valve；It is provided with valve-rod cavity 7 in valve body 1, is positioned at bottom valve-rod cavity 7 and is provided with valve
Seat 8, valve rod 2 bottom is fixedly connected with flap 9, valve body 1, valve seat 8 and flap 9 solid forging, does not has the welding of cutting, and fused salt is high
Wet penetration is very strong, and valve body 1 uses high performance casting one-body molded with support 3, largely avoided the gap that valve exists
The defects such as sand holes and accelerating medium corrosion generation.
Valve body 1, valve rod 2 and support 3 all use bearing steel or austenitic chromium nickel stainless steel material to make, and the present invention is preferably
310S rustless steel, 310S rustless steel is because of the chromium containing higher percent and nickel so that have much better creep strength, at high temperature
The continuous operation of lower energy, has good heat-resisting quantity.Because nickel, chromium content are high so that it has good oxidation, corrosion-resistant, resistance to
Soda acid, resistance to elevated temperatures.
Valve rod 2 extends in valve-rod cavity 7, and valve-rod cavity 7 all connects with medium entrance passage 5 and media outlet channel 6, medium
Inlet pipeline is provided with a bit of transition passage, curved of transition passage bending place near valve seat 8 one end；Due to salt melting system
Time out of service, whole melting salt of salt melting system enter sloppy heat salt storage tank, so must be allowed to be unlikely in valve design to have
Fused salt is detained, and prevents sloppy heat salt from solidifying on valve；In the structure of valve, negotiability is designed into maximum, the present invention as far as possible
It is that low flow resistance is streamlined by medium entrance passage 5 and media outlet channel 6, and under less than horizontal plane, is provided with a constant inclination
Angle, prevents valve from there is dead angle because of the reason of structure, during to ensure that salt melting system is out of service, and will not be because sloppy heat salt be in valve
Retaining, and block valve, medium entrance passage 5 is 10～20 DEG C with the angle [alpha] span of horizontal plane, media outlet channel 6
Being 10～20 DEG C with the angle beta span of horizontal plane, preferred α value is 15 DEG C, and β value is 15 DEG C.
Owing to valve rod 2 inclination angle in conventional Y-valve is 45 DEG C, when salt melting system is out of service, fused salt is in flowing
During, still have part and remain on corrugated tube 10, to this end, increase the inclination angle of valve rod 2, i.e. valve rod 2 and the angle of horizontal plane
Degree γ span is 50～65 DEG C, and preferred γ value is 60 DEG C so that the gap between corrugated tube 10 and valve body 1 will not be because of
Causing corrugated tube 10 to damage for there being medium solidification, while certainly increasing valve rod 2 inclination angle, negotiability increases therewith, drives
Rotatory force needed for valve rod 2 reduces therewith.
By to medium entrance passage 5, media outlet channel 6 and the design of valve rod 2, there is the highest discharge coefficient, can
To reduce valve internal resistance fall to greatest extent, effectively reduce the erosive wear to valve, without precipitation medium, thus realize rill
Resistance, fast opening and closing, from excretion.
Valve seat 8 is provided with annular ramp 11, and osculum is downward, and flap 9 is provided with corresponding with the annular ramp 11 of valve seat 8
The annular lower inclined plane 12 of laminating, osculum is downward, and annular ramp 11 and annular lower inclined plane 12 are provided with hard alloy layer 13, hard
Alloy has pliability and the strong feature of impact resistance ability, when flap 9 contacts with the hard alloy layer 13 of valve body 1, and can be viscous
Easy crystal medium on hard alloy layer 13 is taken away by high-velocity fluid pressure after pulverizing, and decreases the erosive wear of medium, protects
Having demonstrate,proved the long term seal effect of valve, the longevity effectively extending valve uses the life-span.
For the sealing property in guarantee valve body 1, being nested with corrugated tube 10 on valve rod 2, corrugated tube 10 is positioned at the valve of valve body 1
In bar chamber 7；As in figure 2 it is shown, be positioned at corrugated tube 10 to be arranged over the stuffing box 14 of central coaxial, stuffing box 14 is nested in valve rod 2
On, inside it being placed with packing ring 15, packing ring 15 is compressed by the gland 16 above it, and is provided with resilient, elastomeric 17, to subtract
Lightweight filler gland 16 is connected with valve body 1 by bolt；Stuffing box 14 bottom is positioned at inside valve body 1, seals with valve body 1 and welds, fills out
Magazine 14 top is positioned at gland 16；Packing ring 15 top is provided with seal cartridge 18, seal cartridge 18 and gland 16
Conflicting, packing ring 15 bottom is provided with seal washer 19, and corrugated tube 10 top seals with stuffing box 14 and welds, its bottom and valve rod 2
Bottom end seal is welded；Due to corrugated tube 10 and the dual sealing functions of packing ring 15 in stuffing box 14, it is therefore prevented that medium is at valve rod 2
Upper there is leakage, it is ensured that the safety of operation.
Valve rod 2 connects drive link 21 by split guide plate 20, and the top of drive link 21 is by valve stem nut 23 and handwheel 4
Connecting, the inwall of valve stem nut 23 is provided with female thread, and drive link 21 is provided with the external screw thread adapted with female thread, split guiding
Plate 20 is connected with fixing bar 22, and fixing bar 22 two ends are fixed on valve body 1；When valve rod 2 is opened, closed, drive guide plate and make valve
Bar 24 only does upper and lower motion, and is not rotated, the linear steering of valve rod 2, it is therefore prevented that corrugated tube 10 rotates, and valve rod 2 is not
Can abrade or bend, it is ensured that flap 9 is directed at valve seat 8 and prevents from producing sideways thrust on valve rod 2；Will not apply pressure to packing ring
15, prevent torsion from causing filler to damage, moment of torsion is low, and valve rod 2 will not abrade, it is ensured that corrugated tube 10 has long service life.
Being provided with york piece lining 24 and thrust bearing 25 on valve body 1, valve stem nut 23 is fixed on valve body 1, york piece lining
24 are nested between valve stem nut 23 and valve body 1, and to compress valve stem nut 23, thrust bearing 25 is located at york piece lining 24 times
Hold and between york piece lining 24 and valve stem nut 23；Valve body 1 is provided with oil nozzle, and oil nozzle connects with valve stem nut 23, convenient
Oil；For preventing york piece lining 24 and valve body 1 from relative motion occurring, between york piece lining 24 and valve body 1, it is provided with stop washer.
Operation principle is:
When salt melting system is properly functioning, needs Open valve, rotation hand wheel 4, to drive valve stem nut 23 to rotate, due to
Ratcheting relation between female thread and the external screw thread of drive link 21 of valve stem nut 23 so that the flap 9 on valve rod 2 is along valve seat 8
Centrage do linear motion upwards, so that valve is in opening；When salt melting system is out of service, need to close valve closing
Men Shi, to another direction rotation hand wheel 4, to drive valve stem nut 23 to rotate, due to female thread and the transmission of valve stem nut 23
Ratcheting relation between the external screw thread of bar 21 so that the flap 9 on valve rod 2 does downward linear motion along the centrage of valve seat 8,
So that valve is in cut-off state, meanwhile, the fused-salt medium in medium entrance passage 5 and media outlet channel 6 flows out naturally
Valve, without the residual of fused salt in valve.
Above in association with accompanying drawing, embodiments of the present invention are explained in detail, but the invention is not restricted to described enforcement
Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments
Carry out multiple change, revise, replace and modification, still fall within protection scope of the present invention.
Claims (10)
1. anti-residual photo-thermal generating a fused salt valve, for Y-valve door, it is characterised in that include valve body, valve rod, support,
Handwheel, medium entrance passage and media outlet channel；Described valve body is one-body molded with described support, solid forging；Described valve body
Inside being provided with valve-rod cavity, described valve rod extends in described valve-rod cavity, and described valve rod is nested with corrugated tube, and described corrugated tube is positioned at
In described valve-rod cavity；Being positioned at described corrugated tube and be arranged over the stuffing box of central coaxial, described stuffing box is nested in described valve rod
On, inside it being placed with packing ring, described packing ring is compressed by the gland above it, and described gland passes through bolt and institute
State valve body to connect；Described medium entrance passage is 10～20 DEG C with the angle [alpha] span of horizontal plane, described media outlet channel
It it is 10～20 DEG C with the angle beta span of horizontal plane.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 1, it is characterised in that described valve rod and level
The angle γ span in face is 50～65 DEG C.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 2, it is characterised in that described medium entrance leads to
Road and described media outlet channel are that low flow resistance is streamlined；Described medium entrance pipeline is provided with transition and leads near described valve seat one end
Road, curved of described transition passage bending place.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 1, it is characterised in that be positioned in described valve body
Being provided with valve seat bottom described valve-rod cavity, described valve seat is provided with annular ramp, and described valve rod bottom is fixedly connected with flap, institute
State flap and be provided with the annular lower inclined plane of laminating corresponding with the annular ramp of described valve seat.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 4, it is characterised in that described annular ramp
It is provided with hard alloy layer with described annular lower inclined plane.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 1, it is characterised in that described stuffing box bottom
Being positioned at inside described valve body, weld with described valve seal, described stuffing box top is positioned at described gland；Described filler
Ring top is provided with seal cartridge, and described seal cartridge is conflicted with described gland, and described packing ring bottom is provided with seal washer.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 6, it is characterised in that described corrugated tube top
Sealing with described stuffing box and weld, its bottom is welded with described valve rod bottom end seal.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 1, it is characterised in that described valve rod is by right
Driving guide plate and connect drive link, the top of described drive link is connected with described handwheel by valve stem nut, described split guide plate
Being connected with fixing bar, described fixing bar two ends are fixed on described valve body.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 8, it is characterised in that arrange on described valve body
Having york piece lining and thrust bearing, described valve stem nut to be fixed on described valve body, described york piece lining is nested in described valve rod
Between nut and described valve body, to compress described valve stem nut, described thrust bearing is located at lower end and the position of described york piece lining
Between described york piece lining and described valve stem nut.
The photo-thermal generating fused salt valve of anti-residual the most according to claim 9, it is characterised in that set on described valve body
Oil nozzle, described oil nozzle is had to connect with described valve stem nut；It is provided with stop washer between described york piece lining and described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394218.9A CN106051175A (en) | 2016-06-06 | 2016-06-06 | Novel photo-thermal power generation fused salt valve capable of avoiding residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394218.9A CN106051175A (en) | 2016-06-06 | 2016-06-06 | Novel photo-thermal power generation fused salt valve capable of avoiding residues |
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| CN106051175A true CN106051175A (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394218.9A Pending CN106051175A (en) | 2016-06-06 | 2016-06-06 | Novel photo-thermal power generation fused salt valve capable of avoiding residues |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676496A (en) * | 2017-11-08 | 2018-02-09 | 江苏国泉泵业制造有限公司 | A kind of anti-residual sleeve adjusting valve of high temperature |
| CN111022730A (en) * | 2019-12-24 | 2020-04-17 | 广州发展电力科技有限公司 | System, method and storage medium for treating crystallization blockage of regulating valve |
| CN111322414A (en) * | 2018-12-17 | 2020-06-23 | 江苏鑫晨光热技术有限公司 | Salt valve is arranged to light and heat power station fused salt pipeline |
| CN111853431A (en) * | 2020-07-24 | 2020-10-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
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| US4421298A (en) * | 1981-03-04 | 1983-12-20 | Edmund Kujawski | Y Pattern valve |
| CN101701632A (en) * | 2009-11-27 | 2010-05-05 | 浙江万龙机械有限公司 | Bellows stop valve |
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| CN202484325U (en) * | 2012-01-13 | 2012-10-10 | 哈尔滨松林电站设备有限公司 | Ultra-supercritical stop valve |
| CN205401768U (en) * | 2016-03-07 | 2016-07-27 | 北京市阀门总厂股份有限公司 | Take fin straight -flow Y type stop valve |
| CN205678137U (en) * | 2016-06-06 | 2016-11-09 | 陈金环 | The photo-thermal generating fused salt valve of anti-residual |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421298A (en) * | 1981-03-04 | 1983-12-20 | Edmund Kujawski | Y Pattern valve |
| CN101749482A (en) * | 2008-12-19 | 2010-06-23 | 上海海星阀门总厂 | Motor-driven bellows inclined type welded valve-body stop valve |
| CN101701632A (en) * | 2009-11-27 | 2010-05-05 | 浙江万龙机械有限公司 | Bellows stop valve |
| CN201554865U (en) * | 2009-11-27 | 2010-08-18 | 安徽省屯溪高压阀门有限公司 | Stop valve for corrugated pipe |
| CN202484325U (en) * | 2012-01-13 | 2012-10-10 | 哈尔滨松林电站设备有限公司 | Ultra-supercritical stop valve |
| CN205401768U (en) * | 2016-03-07 | 2016-07-27 | 北京市阀门总厂股份有限公司 | Take fin straight -flow Y type stop valve |
| CN205678137U (en) * | 2016-06-06 | 2016-11-09 | 陈金环 | The photo-thermal generating fused salt valve of anti-residual |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676496A (en) * | 2017-11-08 | 2018-02-09 | 江苏国泉泵业制造有限公司 | A kind of anti-residual sleeve adjusting valve of high temperature |
| CN111322414A (en) * | 2018-12-17 | 2020-06-23 | 江苏鑫晨光热技术有限公司 | Salt valve is arranged to light and heat power station fused salt pipeline |
| CN111022730A (en) * | 2019-12-24 | 2020-04-17 | 广州发展电力科技有限公司 | System, method and storage medium for treating crystallization blockage of regulating valve |
| CN111853431A (en) * | 2020-07-24 | 2020-10-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
| CN111853431B (en) * | 2020-07-24 | 2024-04-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
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Application publication date: 20161026 |