CN106969158A - A kind of high-temperature bellow valve - Google Patents
A kind of high-temperature bellow valve Download PDFInfo
- Publication number
- CN106969158A CN106969158A CN201710376186.4A CN201710376186A CN106969158A CN 106969158 A CN106969158 A CN 106969158A CN 201710376186 A CN201710376186 A CN 201710376186A CN 106969158 A CN106969158 A CN 106969158A
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- China
- Prior art keywords
- rod
- valve
- bonnet
- bellows
- closure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 22
- 230000008676 import Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K1/32—Details
-
- 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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- 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
- F16K49/00—Means in or on valves for heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of high-temperature bellow valve, including valve body, bonnet, valve rod, flap, valve seat and bellows, bonnet lumen is provided with the middle part of bonnet, electric heater unit is fixedly installed on the outer surface of bonnet, lower valve rod includes first body of rod, second body of rod and the 3rd body of rod, and the junction of first body of rod and second body of rod is provided with the first chamfering of annular;The junction of second body of rod and the 3rd body of rod is provided with the second chamfering;Guide sleeve is socketed with first body of rod, fused salt escape orifice is provided with guide sleeve, bonnet upper end is provided with closure, stem through-hole is provided with the middle part of closure, stem through-hole lower port seat is provided with sealing cone, and stem through-hole upper port position is provided with packing groove, packing groove and is provided with filler, filler upper end is provided with gland, and gland upper end is provided with gland limited block.Above-mentioned technical proposal, reasonable in design, simple in construction, good seal performance, bellows service life length, valve rod are difficult stuck, reliable operation.
Description
Technical field
The present invention relates to valve technology field, and in particular to a kind of high-temperature bellow valve.
Background technology
The valve of sylphon seal is generally used on gate valve and stop valve, and its structure includes valve body, valve seat, flap, valve
Bar, bonnet, bellows, flap are fixed on valve rod lower end, sylphon seal are used between valve rod and bonnet, between bonnet and valve body
Connected by flange seal.Existing Bellows valve also Shortcomings:Existing Bellows valve structure design is unreasonable, when
When bellows long-term use is leaked, medium will leak outside between valve rod and bonnet, flange seal between bonnet and valve body
Junction is easily leaked in use, poor sealing performance;And abnormal boosting is easily caused in the bonnet lumen of bonnet, it is easily damaged ripple
Line pipe, bellows service life is short;Valve rod can be caused stuck after medium solidification in bonnet lumen, cause valve not open normally
Close, in-convenience in use.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of reasonable in design, it is simple in construction,
Good seal performance, bellows service life length, valve rod are difficult stuck, reliable operation high-temperature bellow valve.
To achieve the above object, the invention provides following technical scheme:A kind of high-temperature bellow valve, including valve body,
Bonnet, valve rod, flap, valve seat and bellows, the valve body upper end are connected with bonnet, are provided with the middle part of the bonnet in bonnet
Electric heater unit is fixedly installed on chamber, the outer surface of the bonnet, the valve rod includes upper valve rod and lower valve rod, the lower valve
Bar includes first body of rod, second body of rod and the 3rd body of rod, and the diameter of first body of rod is more than the diameter of second body of rod, first
The junction of the body of rod and second body of rod is provided with the first chamfering of annular;The diameter of second body of rod is more than the straight of the 3rd body of rod
Footpath, the second chamfering is provided with the junction of second body of rod and the 3rd body of rod;First body of rod, second body of rod and the 3rd body of rod
Set from bottom to up successively, the lower end of first body of rod is fixedly connected with flap, guide sleeve is socketed with first body of rod, it is described
Fused salt escape orifice is provided with guide sleeve, the bellows-sheathed is connected on second body of rod, the bonnet upper end is provided with closure,
Stem through-hole is provided with the middle part of the closure, the closure is provided with and described second positioned at stem through-hole lower port seat
The sealing cone of chamfering matching, the closure is provided with packing groove, the packing groove positioned at stem through-hole upper port position
Filler is provided with, the filler upper end is provided with gland, and the gland upper end is provided with gland limited block.
By using above-mentioned technical proposal, electric heater unit can be powered heating by external power source when fused salt solidifies,
Melt fused salt, it is ensured that valve is normally opened and closed;Valve rod is difficult to let out using bellows, the conical surface and filler triple seal, good seal performance
Leakage, service life is long;Fused salt escape orifice is offered above guide sleeve, is incited somebody to action while playing guide function in valve fast opening and closing
Fused-salt medium is released to valve body middle chamber in time, prevents the boosting extremely of bonnet lumen, bellows is played a protective role;Structure design
Rationally, it is good that simple in construction, valve rod is difficult stuck, reliable operation, practicality.
The present invention is further arranged to:The bonnet lumen lower end is provided with annular slot, the outer surface of the guide sleeve
Lower end has been wholely set positioning convex ring, and the guide sleeve is spacing by positioning convex ring and annular slot clamping.Pass through this setting, knot
It is more reasonable that structure is set, and guide sleeve is easy to connect, works relatively reliable.
The present invention is further arranged to:The vertical center line of fused salt escape orifice on the guide sleeve and first bar
The vertical center line of body is parallel to each other.By this setting, it is more reasonable that fused salt escape orifice is set, and works relatively reliable.
The present invention is further arranged to:The valve body upper end is provided with a valve rod import, the valve rod import upper end
Valve seals installation gap is provided with, the bonnet lower end has been wholely set a connection bulge loop, and the connection bulge loop is stretched into
Valve rod import is set, and the valve seals installation gap constitutes the first sealing ring peace together with connecting the outer surface of bulge loop
It behave affectedly, a valve seals is provided with the first sealing ring installation cavity.By this setting, structure setting is more reasonable,
Sealing property more preferably, is difficult leakage between bonnet and valve body.
The present invention is further arranged to:The valve seals are nickel-base alloy c-type circle, and the valve body and bonnet are logical
Cross bolt connection.By this setting, sealed using c-type circle, compensation rate is big, can meet the use of high temperature low-temperature circulating operating mode.
The present invention is further arranged to:Second body of rod lower end is socketed with valve stem packing ring, the valve stem packing ring
Internal face clamping with bellows is sealed.By this setting, better tightness between valve rod and bellows.
The present invention is further arranged to:The bellows lower end face and the upper surface of guide sleeve are connected, the bellows
Upper surface be welded with corrugated header, the upper surface of the upper corrugated header and the lower surface of closure are connected.By originally setting
Put, bellows connection is reliable, good airproof performance.
The present invention is further arranged to:The closure stretch into bonnet lumen section outer surface lower end be provided with one it is close
Lidstock circle installation gap, the seal cap sealing circle installation gap and upper corrugated header upper surface and bonnet lumen internal face
Between constitute a second sealing ring installation cavity, be provided with a seal cap sealing circle in the second sealing ring installation cavity, this is close
Lidstock circle is nickel-base alloy c-type circle.By this setting, good airproof performance between closure, bonnet and bellows is difficult to let out
Leakage.
The present invention is further arranged to:Regulating bolt is provided with the gland limited block, the closure upper end is set
Bolt hole is equipped with, the regulating bolt lower end is threadedly coupled with bolt hole, and gland limited block is compressed by screwing regulating bolt.
Simple in construction by this setting, gland limited block is fixed reliable.
The present invention is further arranged to:Body of rod connection is provided between the upper valve rod lower end and the 3rd body of rod upper end
Part, upper valve rod and the 3rd body of rod connect and compose one by body of rod connector, and the upper valve rod upper end is provided with closing buffer
Structure.By this setting, buffer gear is closed, prevents high temperature because of quick regulation or closing motion causes sealing surface shock loading by mistake
The destruction caused.
It is an advantage of the invention that:Compared with prior art, structure setting of the present invention is more reasonable, and electric heater unit can be
Powered heating by external power source when fused salt solidifies, thawing fused salt, it is ensured that valve is normally opened and closed;Valve rod uses bellows, the conical surface
With filler triple seal, good seal performance is difficult leakage, and service life is long;Fused salt escape orifice is offered above guide sleeve, is played
Fused-salt medium is released to valve body middle chamber in time in valve fast opening and closing while guide function, bonnet lumen liter extremely is prevented
Pressure, plays a protective role to bellows;Reasonable in design, that simple in construction, valve rod is difficult stuck, reliable operation, practicality is good.
With reference to Figure of description and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the enlarged diagram in I portions in Fig. 1.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of high-temperature bellow valve disclosed by the invention, including valve body 1, bonnet 2, valve rod 3, valve
Valve 4, valve seat 5 and bellows 6, the upper end of valve body 2 are connected with bonnet 2, and the middle part of bonnet 2 is provided with bonnet lumen 21, institute
Be fixedly installed electric heater unit 7 on the outer surface for stating bonnet 2, the valve rod 3 includes upper valve rod 31 and lower valve rod 32, it is described under
Valve rod 32 includes first body of rod 321, second body of rod 322 and the 3rd body of rod 323, and the diameter of first body of rod 321 is more than second
The diameter of the body of rod 322, the first chamfering 324 of annular is provided with the junction of first body of rod 321 and second body of rod 322;It is described
The diameter of second body of rod 322 is more than the diameter of the 3rd body of rod 323, is set in the junction of second body of rod 322 and the 3rd body of rod 323
There is the second chamfering 325;First body of rod 321, second body of rod 322 and the 3rd body of rod 323 are set from bottom to up successively, and described
The lower end of one body of rod 321 is fixedly connected with flap 4, is socketed with guide sleeve 8, the guide sleeve 8 and is provided with first body of rod 321
Fused salt escape orifice 81, the bellows 6 is socketed on second body of rod 322, and the upper end of bonnet 2 is provided with closure 9, described close
The middle part of capping 9 is provided with stem through-hole 91, and the closure 9 is provided with and described second positioned at the lower port seat of stem through-hole 91
The sealing cone 92 that chamfering 325 is matched, the closure 9 is provided with packing groove 93, institute positioned at the upper port position of stem through-hole 91
State and filler 10 is provided with packing groove 93, the upper end of filler 10 is provided with gland 11, the upper end of gland 11 is set
It is equipped with gland limited block 12.
As preferred, first body of rod 321, second body of rod 322 and the 3rd body of rod 323 are wholely set, and the first bar
The vertical center line of body 321, second body of rod 322 and the 3rd body of rod 323 is overlapped;The angle of first chamfering 324 and the second chamfering 325
It is 30 °, 45 ° or 60 °;The valve seat 5 is wholely set with valve body 1, and flap 4 is welded and fixed or led to the lower end of first body of rod 321
Existing bolt connection is crossed to fix;Closure 9 is locked with the upper end of bonnet 2 by existing bolt;Filler 10 is solid for high temperature
Power spy's filler.
To make structure of the present invention more reasonable, as preferred, the lower end of bonnet lumen 21 is provided with ring described in the present embodiment
Shape neck 211, the outer surface lower end of the guide sleeve 8 has been wholely set positioning convex ring 82, and the guide sleeve 8 passes through positioning convex ring
82 is spacing with the clamping of annular slot 211.
The vertical center line of the vertical center line of fused salt escape orifice 81 on the guide sleeve 8 and first body of rod 321
It is parallel to each other.
The upper end of valve body 1 is provided with a valve rod import 13, and the upper end of valve rod import 13 is provided with valve seals
Installation gap 131, the lower end of bonnet 2 has been wholely set a connection bulge loop 22, and the connection bulge loop 22 stretches into valve rod import
13 are set, and the valve seals installation gap 131 constitutes the first sealing ring peace together with connecting the outer surface of bulge loop 22
It behave affectedly, a valve seals 14 is provided with the first sealing ring installation cavity.The valve seals 14 are nickel-base alloy C
Type circle, and the valve body 1 is bolted with bonnet 2.
The lower end of second body of rod 322 is socketed with valve stem packing ring 15, the inwall of the valve stem packing ring 15 and bellows 6
Face clamping sealing.
The lower surface of bellows 6 is connected with the upper surface of guide sleeve 8, and the upper surface of the bellows 6 is welded with upper ripple
Line base 61, the upper surface of the upper corrugated header 61 is connected with the lower surface of closure 9.
The outer surface lower end that the closure 9 stretches into bonnet lumen section is provided with a seal cap sealing circle installation gap
94, constitute one between the seal cap sealing circle installation gap 94 and the upper surface of upper corrugated header 61 and the internal face of bonnet lumen 21
A seal cap sealing circle 16, the seal cap sealing are provided with individual second sealing ring installation cavity, the second sealing ring installation cavity
Circle 16 is nickel-base alloy c-type circle.
Regulating bolt 18 is provided with the gland limited block 12, the upper end of closure 9 is provided with bolt hole 95, described
The lower end of regulating bolt 18 is threadedly coupled with bolt hole 95, and gland limited block 12 is compressed by screwing regulating bolt 18.
Body of rod connector 19, upper valve rod 31 and are provided between the lower end of upper valve rod 31 and the upper end of the 3rd body of rod 323
Three bodies of rod 323 connect and compose one by body of rod connector 19, and the upper end of upper valve rod 31 is provided with closing buffer gear 20.
The bellows 6 uses high-temperature nickel-base alloy bellows, and high temperature resistant is up to more than 600 DEG C.Streamlined casting valve body
Design, it is ensured that runner smoothness is without dead angle.The valve seat binding curve flap design integral with valve body, runner is simple, existing good
Regulation performance, have excellent cutoff performance again.
The outer surface of electric heater unit 7 and bonnet 2 described in the present embodiment is welded and fixed or by existing mode connects for screw
It is fixed, and electric heater unit 7 and closing buffer gear 20 are existing product, this technology is well known to those skilled in the art
, the present embodiment is just no longer described.
During practical application, electric heater unit can be powered heating by external power source when fused salt solidifies, and melt fused salt, really
Valve is protected normally to open and close;Valve rod is difficult leakage, service life using bellows, the conical surface and filler triple seal, good seal performance
It is long;Fused salt escape orifice is offered above guide sleeve, while playing guide function in valve fast opening and closing by fused-salt medium and
When be released to valve body middle chamber, prevent bonnet lumen extremely boosting, bellows is played a protective role;Reasonable in design, structure
Simply, to be difficult stuck, reliable operation, practicality good for valve rod.
Above-described embodiment is served only for that the present invention is further described, it is impossible to be interpreted as to the specific descriptions of the present invention
Limiting the scope of the present invention, it is non-that the technician of this area makes some according to the content of foregoing invention to the present invention
The modifications and adaptations of essence are each fallen within protection scope of the present invention.
Claims (10)
1. a kind of high-temperature bellow valve, including valve body (1), bonnet (2), valve rod (3), flap (4), valve seat (5) and bellows
(6), valve body (2) upper end is connected with bonnet (2), is provided with bonnet lumen (21) in the middle part of the bonnet (2), its feature exists
In:Be fixedly installed electric heater unit (7) on the outer surface of the bonnet (2), the valve rod (3) include upper valve rod (31) and under
Valve rod (32), the lower valve rod (32) includes first body of rod (321), second body of rod (322) and the 3rd body of rod (323), described the
The diameter of one body of rod (321) is more than the diameter of second body of rod (322), in the combination of first body of rod (321) and second body of rod (322)
Place is provided with the first chamfering (324) of annular;The diameter of second body of rod (322) is more than the diameter of the 3rd body of rod (323),
The junction of second body of rod (322) and the 3rd body of rod (323) is provided with the second chamfering (325);First body of rod (321),
Bipole body (322) and the 3rd body of rod (323) are set from bottom to up successively, and the lower end of first body of rod (321) and flap (4) are solid
It is socketed with fixed connection, first body of rod (321) on guide sleeve (8), the guide sleeve (8) and is provided with fused salt escape orifice (81), institute
State bellows (6) to be socketed on second body of rod (322), bonnet (2) upper end is provided with closure (9), the closure (9)
Middle part is provided with stem through-hole (91), and the closure (9) is provided with and described positioned at stem through-hole (91) lower port seat
The sealing cone (92) of two chamferings (325) matching, the closure (9) is provided with positioned at stem through-hole (91) upper port position and filled out
Filler (10) is provided with hopper (93), the packing groove (93), filler (10) upper end is provided with gland (11), institute
State gland (11) upper end and be provided with gland limited block (12).
2. a kind of high-temperature bellow valve according to claim 1, it is characterised in that:Bonnet lumen (21) lower end is set
Annular slot (211) is equipped with, the outer surface lower end of the guide sleeve (8) has been wholely set positioning convex ring (82), the guide sleeve
(8) it is spacing by positioning convex ring (82) and annular slot (211) clamping.
3. a kind of high-temperature bellow valve according to claim 2, it is characterised in that:Fused salt on the guide sleeve (8)
The vertical center line of escape orifice (81) and the vertical center line of first body of rod (321) are parallel to each other.
4. a kind of high-temperature bellow valve according to claim 1 or 3, it is characterised in that:Valve body (1) upper end is set
There is a valve rod import (13), valve rod import (13) upper end is provided with valve seals installation gap (131), the bonnet
(2) lower end has been wholely set a connection bulge loop (22), and the connection bulge loop (22) stretches into valve rod import (13) setting, the valve
Body sealing ring installation gap (131) constitutes a first sealing ring installation cavity together with the outer surface of connection bulge loop (22), described
A valve seals (14) is provided with first sealing ring installation cavity.
5. a kind of high-temperature bellow valve according to claim 4, it is characterised in that:The valve seals (14) are nickel
Based alloy c-type circle, and the valve body (1) is bolted with bonnet (2).
6. a kind of high-temperature bellow valve according to claim 1, it is characterised in that:Second body of rod (322) lower end
Valve stem packing ring (15) is socketed with, the valve stem packing ring (15) and the internal face clamping of bellows (6) are sealed.
7. a kind of high-temperature bellow valve according to claim 1, it is characterised in that:Bellows (6) lower surface with
The upper surface connection of guide sleeve (8), the upper surface of the bellows (6) is welded with corrugated header (61), the upper bellows
The upper surface of seat (61) is connected with the lower surface of closure (9).
8. a kind of high-temperature bellow valve according to claim 7, it is characterised in that:The closure (9) stretches into bonnet
The outer surface lower end of lumen section is provided with a seal cap sealing circle installation gap (94), the seal cap sealing circle installation gap
(94) a second sealing ring installation cavity is constituted between upper corrugated header (61) upper surface and bonnet lumen (21) internal face, should
A seal cap sealing circle (16) is provided with second sealing ring installation cavity, the seal cap sealing circle (16) is nickel-base alloy c-type
Circle.
9. a kind of high-temperature bellow valve according to claim 1, it is characterised in that:Set on the gland limited block (12)
Regulating bolt (18) is equipped with, closure (9) upper end is provided with bolt hole (95), regulating bolt (18) lower end and bolt
Hole (95) is threadedly coupled, and gland limited block (12) is compressed by screwing regulating bolt (18).
10. a kind of high-temperature bellow valve according to claim 1, it is characterised in that:Upper valve rod (31) lower end with
Body of rod connector (19) is provided between 3rd body of rod (323) upper end, upper valve rod (31) and the 3rd body of rod (323) are connected by the body of rod
Fitting (19) connects and composes one, and upper valve rod (31) upper end is provided with closing buffer gear (20).
Priority Applications (1)
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CN201710376186.4A CN106969158A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature bellow valve |
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CN201710376186.4A CN106969158A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature bellow valve |
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ID=59326691
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CN201710376186.4A Pending CN106969158A (en) | 2017-05-25 | 2017-05-25 | A kind of high-temperature bellow valve |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108869758A (en) * | 2018-08-22 | 2018-11-23 | 杭州富尚阀门有限公司 | A kind of anti-leakage fused salt valve of crystallization-preventive |
CN110296226A (en) * | 2019-03-15 | 2019-10-01 | 青海中控太阳能发电有限公司 | A kind of self-cleaning operated pneumatic valve |
CN111396580A (en) * | 2019-08-29 | 2020-07-10 | 浙江中控技术股份有限公司 | Double-guide high-temperature molten salt regulating valve |
CN112984128A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Corrugated pipe flushing-free valve |
CN113007433A (en) * | 2021-04-02 | 2021-06-22 | 浙江万龙机械有限公司 | Valve for ammonia |
CN113309858A (en) * | 2021-06-04 | 2021-08-27 | 浙江万龙机械有限公司 | Valve rod high-frequency opening and closing anti-shaking valve for ammonia |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006111214A1 (en) * | 2005-04-15 | 2006-10-26 | Gestra Ag | Valve in particular for the controlled discharge of salts or similar collecting in a steam boiler |
CN201531621U (en) * | 2009-09-28 | 2010-07-21 | 株洲华清阀门机械制造有限公司 | Energy-saving balance corrugated pipe valve |
CN102829195A (en) * | 2012-09-05 | 2012-12-19 | 张丽智 | Universal compact type forged steel self-sealing stop valve |
CN103244695A (en) * | 2013-05-17 | 2013-08-14 | 江苏星河阀门有限公司 | Internal pressure type bellows globe valve with non-rotary valve rod |
CN104482286A (en) * | 2014-10-31 | 2015-04-01 | 双恒阀门有限公司 | Fused salt transfer valve |
CN105508720A (en) * | 2016-01-14 | 2016-04-20 | 北京市阀门总厂股份有限公司 | Corrugated pipe stop valve for photo-thermal electricity generation fused salt |
CN205639851U (en) * | 2016-05-28 | 2016-10-12 | 重庆华林自控仪表股份有限公司 | Sodium valves |
CN206754408U (en) * | 2017-05-25 | 2017-12-15 | 五洲阀门股份有限公司 | A kind of high-temperature bellow valve |
-
2017
- 2017-05-25 CN CN201710376186.4A patent/CN106969158A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006111214A1 (en) * | 2005-04-15 | 2006-10-26 | Gestra Ag | Valve in particular for the controlled discharge of salts or similar collecting in a steam boiler |
CN201531621U (en) * | 2009-09-28 | 2010-07-21 | 株洲华清阀门机械制造有限公司 | Energy-saving balance corrugated pipe valve |
CN102829195A (en) * | 2012-09-05 | 2012-12-19 | 张丽智 | Universal compact type forged steel self-sealing stop valve |
CN103244695A (en) * | 2013-05-17 | 2013-08-14 | 江苏星河阀门有限公司 | Internal pressure type bellows globe valve with non-rotary valve rod |
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