CN107289154A - A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve - Google Patents
A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve Download PDFInfo
- Publication number
- CN107289154A CN107289154A CN201710484913.9A CN201710484913A CN107289154A CN 107289154 A CN107289154 A CN 107289154A CN 201710484913 A CN201710484913 A CN 201710484913A CN 107289154 A CN107289154 A CN 107289154A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- soft
- hthp
- hard seal
- 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
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Classifications
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
-
- 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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
- F16K3/0236—Packings the packing being of a non-resilient material, e.g. ceramic, metal
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention discloses a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve, including valve body and valve seat, valve seat is welded with valve body, by-passing valve is also equipped with valve body, one end of by-passing valve is welded on the left side of valve body, and the other end of by-passing valve is welded on the right edge of valve body, pressing plate is fixedly connected with the top of gland, the bottom of gland is connected with stuffing box, and being cased with of stuffing box is provided with pendant collet above sealing ring and gasket ring, gasket ring.This HTHP soft and hard seal release pollution discharge type parallel slide valve, using solder alloy and polytetrafluoroethylene (PTFE) pad double containment, soft and hard seal fixed structure improves the corrosion resistance and wearability of valve, extend the service life of valve, by-passing valve is installed, fast pressure relief when pressure is very high makes valve safe and reliable on valve body, friction between valve seal pair is small, the service life of valve is substantially increased, operational torque when valve opening, closing is small, greatly reduces energy consumption.
Description
Technical field
The present invention relates to valve technology field, specifically a kind of HTHP soft and hard seal release pollution discharge type parallel sliding
Valve.
Background technology
The parallel slide valve of domestic use all has the shortcomings of manufacture requires high, easily leaked, service life is short at present.
Parallel slide valve generally use double disc structure, its mainly include valve body, the valve rod stretched into valve body, be connected with valve rod a left side,
Right flashboard etc..It blocks principle, and valve rod promotes left and right flashboard to enter in the runner of valve body, and left flashboard is in valve flowing channel side
Promote the sealing surface of right flashboard to press to opposite side in the presence of pressure medium, realize the self sealss of runner.Left flashboard and right flashboard
Between be provided with preloading spring.Utilize spring so that two pieces of parallel flashboards are in close contact with soft or hard double containment valve seat, form one
To parallel sealing pair, the sealing of valve is realized using the pressure itself of medium.Traditional parallel slide valve design pressure is 900Lb
Below.Existing lock design pressure reaches 1500Lb.It, which exists, has the disadvantage：Need the pressure of fluid higher during sealing, the relatively low nothing of pressure
Method promotes right flashboard to be close to sealing surface, therefore sealing effectiveness is poor during low pressure.
The content of the invention
It is an object of the invention to provide a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve, with valve
Life-span height, good sealing effect, reduction energy consumption and safe and reliable advantage, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
It is welded with a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve, including valve body and valve seat, the valve body
Valve seat, the side of the valve seat is provided with flashboard, and being internally provided with to set in turn, turn of flashboard is provided with spring, institute
The bottom for stating valve body is provided with plug screw, valve body and is also equipped with by-passing valve, and one end of the by-passing valve is welded on the left side of valve body
Side, the other end of by-passing valve, which is welded at the top of the right edge of valve body, the valve body, to be installed with gear-box, gear-box
Side is provided with supporting plate, and supporting plate has guide rod by screw connection, and the bottom of the guide plate is fixedly connected with valve rod, institute
State guide rod to be applied on guide plate, the connecting plate of screw fixation, the company are provided with the inside of the guide rod bottom
It is connected with fishplate bar at the top of gland, gland and is fixedly connected with pressing plate, the bottom of the gland is connected with stuffing box, stuffing box
It is internally provided with Packing seat, Packing seat and is provided with filler, Packing seat with holes is provided between the filler, the stuffing box
It is cased with being provided with pendant collet above sealing ring and gasket ring, the gasket ring.
It is used as further scheme of the invention：The junction of the valve seat and flashboard, which is provided with, to be fixedly connected on valve seat
Solder alloy, solder alloy has been internally embedded polytetrafluoroethylene (PTFE) pad.
It is used as further scheme of the invention：The solder alloy is provided with two, is separately positioned on close to valve seat end face
Position.
It is used as further scheme of the invention：The hole of the plug screw insertion is mudhole.
Compared with prior art, beneficial effect of the present invention：
This HTHP soft and hard seal release pollution discharge type parallel slide valve, the hole of plug screw insertion is mudhole, adds a row
Dirty hole, plug screw prevents liquid leakage, turns on plug screw and discharges dirt, removes dirt, and blowdown is convenient, using solder alloy and polytetrafluoro
Ethene pad double containment, soft and hard seal fixed structure improves the corrosion resistance and wearability of valve, extends the use longevity of valve
By-passing valve is installed on life, valve body, fast pressure relief when pressure is very high makes valve safe and reliable, and gate valve design pressure reaches 1500Lb,
Friction between valve seal pair is small, substantially increases the service life of valve, operational torque when valve opening, closing
It is small, it is the 70% of traditional same specification valve, greatly reduces energy consumption.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is enlarged drawing at the A-A of the present invention.
In figure：1- valve bodies；2- valve seats；201- solder alloys；202- polytetrafluoroethylene (PTFE) pads；3- turns；4- springs；5- locks
Plate；6- valve rods；7- stuffing boxes；8- sealing rings；9- gasket rings；10- connecting plates；11- Packing seats；12- Packing seats with holes；13- fillers；
14- guide plates；15- gear-boxes；16- supporting plates；17- guide rods；18- pressing plates；19- glands；20- pendant collets；21- by-passing valves；
22- plug screws.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1-2, the embodiment of the present invention, a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve,
Including valve body 1 and valve seat 2, valve seat 2 is welded with valve body 1, the side of valve seat 2 is provided with flashboard 5, the connection of valve seat 2 and flashboard 5
Place is provided with the solder alloy 201 being fixedly connected on valve seat 2, and solder alloy 201 has been internally embedded polytetrafluoroethylene (PTFE) pad 202, weldering
Alloy 201 is provided with two, is separately positioned on close to the position of the end face of valve seat 2, existing to be sealed to be single, gasket material is poly-
Tetrafluoroethene, soft seal, floating structure；It is now solder alloy 201 and the double containment of polytetrafluoroethylene (PTFE) pad 202, soft and hard seal fixed knot
Structure, improves the corrosion resistance and wearability of valve, extend the service life of valve, and flashboard 5 is internally provided with turn
3, set in turn 3 and spring 4 is installed, the bottom of valve body 1 is provided with plug screw 22, and the hole that plug screw 22 is inserted is mudhole, increase
One mudhole, removes dirt, and blowdown is convenient, and plug screw 22 prevents liquid leakage, turns on plug screw 22 and discharge dirt, valve body 1
On be also equipped with by-passing valve 21, increase a by-passing valve 21, effect is fast pressure relief when pressure is very high, makes valve safe and reliable,
Existing gate valve design pressure reaches that the friction between 1500Lb, valve seal pair is small, substantially increases the service life of valve, bypasses
One end of valve 21 is welded on the left side of valve body 1, and the other end of by-passing valve 21 is welded on the right edge of valve body 1, the top of valve body 1
It is installed with gear-box 15, the lower section of gear-box 15 is provided with supporting plate 16, supporting plate 16 has guiding by screw connection
Bar 17, guide rod 17 is applied on guide plate 14, is slided up and down on the guide rod 17 of guide plate 14, and the bottom of guide plate 14, which is fixed, to be connected
Valve rod 6 is connected to, guide plate 14 promotes valve rod 6 to move, and the connecting plate of screw fixation is provided with the inside of the bottom of guide rod 17
10, gland 19 is connected with connecting plate 10, and the top of gland 19 is fixedly connected with pressing plate 18, and the bottom of gland 19 is connected with filler
Case 7, being internally provided with Packing seat 11, Packing seat 11 for stuffing box 7 is provided with filler 13, and with holes fill out is provided between filler 13
Backing strap 12, stuffing box 7 is cased with sealing ring 8 and gasket ring 9, and the top of gasket ring 9 is provided with pendant collet 20, valve opening, when closing
The operational torque of time is small, is the 70% of traditional same specification valve, greatly reduces energy consumption.
In summary：The HTHP soft and hard seal release pollution discharge type parallel slide valve of the present invention, the hole that plug screw 22 is inserted
For mudhole, a mudhole is added, plug screw 22 prevents liquid leakage, turn on plug screw 22 and discharge dirt, remove dirt, row
Dirt is convenient, and using solder alloy 201 and the double containment of polytetrafluoroethylene (PTFE) pad 202, soft and hard seal fixed structure improves the corrosion resistant of valve
Corrosion and wearability, extend installation by-passing valve 21 on the service life of valve, valve body 1, and fast pressure relief when pressure is very high makes valve
Door is safe and reliable, and gate valve design pressure reaches that the friction between 1500Lb, valve seal pair is small, substantially increases the use of valve
Life-span, operational torque when valve opening, closing is small, is the 70% of traditional same specification valve, greatly reduces energy consumption.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve, including valve body（1）And valve seat（2）, its feature exists
In：The valve body（1）On be welded with valve seat（2）, the valve seat（2）Side be provided with flashboard（5）, flashboard（5）Inside set
It is equipped with turn（3）, turn（3）Inside set and spring is installed（4）, the valve body（1）Bottom be provided with plug screw（22）, valve body
（1）On be also equipped with by-passing valve（21）, the by-passing valve（21）One end be welded on valve body（1）Left side, by-passing valve（21）
The other end be welded on valve body（1）Right edge, the valve body（1）Top be installed with gear-box（15）, gear-box
（15）Lower section be provided with supporting plate（16）, supporting plate（16）Have guide rod by screw connection（17）, the guide rod
（17）It is applied in guide plate（14）On, the guide plate（14）Bottom be fixedly connected with valve rod（6）, the guide rod（17）Bottom
The connecting plate of screw fixation is provided with the inside of end（10）, the connecting plate（10）On be connected with gland（19）, gland
（19）Top be fixedly connected with pressing plate（18）, the gland（19）Bottom be connected with stuffing box（7）, stuffing box（7）It is interior
Portion is provided with Packing seat（11）, Packing seat（11）Inside it is provided with filler（13）, the filler（13）Between be provided with filler with holes
Pad（12）, the stuffing box（7）Be cased with sealing ring（8）And gasket ring（9）, the gasket ring（9）Top be provided with pendant collet
（20）.
2. a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve according to claim 1, it is characterised in that：
The valve seat（2）And flashboard（5）Junction be provided with and be fixedly connected on valve seat（2）On solder alloy（201）, solder alloy
（201）Be internally embedded polytetrafluoroethylene (PTFE) pad（202）.
3. a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve according to claim 2, it is characterised in that：
The solder alloy（201）Two are provided with, is separately positioned on close to valve seat（2）The position of end face.
4. a kind of HTHP soft and hard seal release pollution discharge type parallel slide valve according to claim 1, it is characterised in that：
The plug screw（22）The hole of insertion is mudhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484913.9A CN107289154A (en) | 2017-06-23 | 2017-06-23 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484913.9A CN107289154A (en) | 2017-06-23 | 2017-06-23 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107289154A true CN107289154A (en) | 2017-10-24 |
Family
ID=60097330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710484913.9A Pending CN107289154A (en) | 2017-06-23 | 2017-06-23 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289154A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701761A (en) * | 2017-11-21 | 2018-02-16 | 盐城市大丰奥凯流体机械有限公司 | Bypass type valve and fluid cut-off device |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN111022673A (en) * | 2019-12-11 | 2020-04-17 | 南通国电阀门科技有限公司 | Supercritical high-performance integrally-forged soft and hard double-seal closed valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2206007C1 (en) * | 2002-06-05 | 2003-06-10 | Майданов Евгений Анатольевич | Gate |
| CN201003625Y (en) * | 2006-12-25 | 2008-01-09 | 广东明珠集团股份有限公司 | High-performance gas flat plate gate valve |
| CN201190798Y (en) * | 2008-04-29 | 2009-02-04 | 陈崇南 | Novel high-temperature double-disc valve |
| CN205654895U (en) * | 2016-05-19 | 2016-10-19 | 南通国电电站阀门股份有限公司 | Parallel gate valve of water conservancy diversion hole inflation blowdown formula is not had in bypass of heavy -calibre area |
| CN206958314U (en) * | 2017-06-23 | 2018-02-02 | 南通国电电站阀门股份有限公司 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
-
2017
- 2017-06-23 CN CN201710484913.9A patent/CN107289154A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2206007C1 (en) * | 2002-06-05 | 2003-06-10 | Майданов Евгений Анатольевич | Gate |
| CN201003625Y (en) * | 2006-12-25 | 2008-01-09 | 广东明珠集团股份有限公司 | High-performance gas flat plate gate valve |
| CN201190798Y (en) * | 2008-04-29 | 2009-02-04 | 陈崇南 | Novel high-temperature double-disc valve |
| CN205654895U (en) * | 2016-05-19 | 2016-10-19 | 南通国电电站阀门股份有限公司 | Parallel gate valve of water conservancy diversion hole inflation blowdown formula is not had in bypass of heavy -calibre area |
| CN206958314U (en) * | 2017-06-23 | 2018-02-02 | 南通国电电站阀门股份有限公司 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701761A (en) * | 2017-11-21 | 2018-02-16 | 盐城市大丰奥凯流体机械有限公司 | Bypass type valve and fluid cut-off device |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN111022673A (en) * | 2019-12-11 | 2020-04-17 | 南通国电阀门科技有限公司 | Supercritical high-performance integrally-forged soft and hard double-seal closed valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |
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| RJ01 | Rejection of invention patent application after publication |