CN207796141U - A kind of deslagging knife gate valve capable of washing - Google Patents
A kind of deslagging knife gate valve capable of washing Download PDFInfo
- Publication number
- CN207796141U CN207796141U CN201721848806.1U CN201721848806U CN207796141U CN 207796141 U CN207796141 U CN 207796141U CN 201721848806 U CN201721848806 U CN 201721848806U CN 207796141 U CN207796141 U CN 207796141U
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- CN
- China
- Prior art keywords
- valve seat
- inlet valve
- annular groove
- filter screen
- knife gate
- 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.)
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Abstract
The utility model discloses a kind of deslagging knife gate valves capable of washing, including valve body, executing agency, inlet valve seat, water outlet valve seat, flashboard and filter screen, inlet valve seat is mounted on water outlet valve seat on valve body, the water outlet in inlet valve seat is arranged in the filter screen, the inlet valve seat is equipped with annular groove and hole for water spraying, the annular groove is arranged along the channel circumference of inlet valve seat, and the inlet valve seat is equipped with blow-off pipe, and the blow-off pipe is communicated with annular groove；The hole for water spraying is for being passed through high pressure water into inlet valve seat, and the spout of hole for water spraying is towards filter screen.The knife gate valve makes impure fluid flow through the impurity that can not only be filtered in fluid, and the impurity of filtering can be discharged in due course, so that valve passage is cleaned, prevents impurity from causing to accumulate.
Description
Technical field
The utility model is related to a kind of knife gate valve more particularly to a kind of deslagging knife gate valves capable of washing.
Background technology
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and
Fully closed, the opening and closing element of gate valve is flashboard, cannot make adjustments and throttle.Contain solid in liquid separation phase medium in the middle part of industrial circle
Grain object, causes greatly to damage, the sealing surface of valve is destroyed quickly, loses sealing performance, causes liquid to pipeline and valve
Dielectric leakage.In closing process, the solid particle or impurity that remain in body base cause valve to the closure of flashboard simultaneously
It influences, is unable to completely close sealing.Gate valve traditional at present is equipped with filter, is typically mounted on the input end of valve, needs special
Door one additional filtration of design, the larger cost of volume are higher；Filter screen also is installed in the water outlet end of inlet valve seat, but
Structure dismounting installation is inconvenient.It is improved on gate valve at present for the filtering of gate valve at present, replaces or be intended to when dismantling
Dismantle gate valve, complex procedures, installation inconvenience.The valve body of existing knife gate valve is casting one with valve seat, residual in use
There are the impurity in valve seat inlet pipeline to be difficult to.
If China Patent No. 201521000600.4 discloses a kind of pulp water gate valve, the valve deck of the pulp water gate valve passes through bolt
Valve body middle chamber is formed set on valve body top surface and with valve body, valve shaft penetrates valve deck and is located in valve body middle chamber, and valve shaft bottom end passes through falcon
Slot is connect with flashboard top, and valve shaft driving flashboard makes flashboard between valve body middle chamber or the valve seat of valve body, and flashboard bottom is in valve
The inlet side of body is equipped with diversion trench, and diversion trench is located at below the valve seat of valve body, and body base is equipped with ash pit, deslagging in outlet side
Slot is located at below the valve seat of valve body.This pulp water gate valve overcomes the defect of traditional gate valve, significantly improves in the serious pipeline of erosion
On service life, extend maintenance of valve replacement period, reduce transport system operating cost, ensure that pipeline medium
Transmitting.Although above-mentioned patent is also for preventing erosion of the solid particulate matter to gate valve, above-mentioned patent filter screen filtration
Impurity afterwards can gradually form accumulation in import valve seat, and the impurity accumulated is not easy to exclude, and influences passing through for fluid, while it is tied
Structure is complicated, and maintenance difficulties are big.
Utility model content
In order to overcome the deficiencies of existing technologies, the utility model provides a kind of deslagging knife gate valve capable of washing, the disconnecting link
Valve makes impure fluid flow through the impurity that can not only be filtered in fluid, and the impurity of filtering can be discharged in due course, keeps valve logical
Road is cleaned, and prevents impurity from causing to accumulate.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of deslagging knife gate valve capable of washing, including valve body, executing agency, inlet valve seat, water outlet valve seat, flashboard and filtering
Net, inlet valve seat are mounted on water outlet valve seat on valve body, and executing agency drives flashboard to move up and down and opens or closes by valve shaft
The water outlet in inlet valve seat is arranged with water outlet valve seat, the filter screen in inlet valve seat, it is characterised in that：On the inlet valve seat
Equipped with annular groove and hole for water spraying, the annular groove is arranged along the channel circumference of inlet valve seat, and the inlet valve seat is equipped with blowdown
Pipe, the blow-off pipe are communicated with annular groove；The hole for water spraying is for being passed through high pressure water, the spout court of hole for water spraying into inlet valve seat
To filter screen.Annular groove is located at the inlet valve seat before filter screen, when fluid stream is through filter screen, flow velocity reduce, filtering it is miscellaneous
Matter is wanted in the effect collection of gravity in annular groove, through collection after a period of time, is opened blow-off pipe and is released；Deslagging knife gate valve stops
When work, high pressure water is accessed by the jet pipe of hole for water spraying, is sprayed water to valve passage using hole for water spraying, it will be remaining on filter screen
Impurity spray is fallen, and annular groove is flowed into, while the impurity in annular groove being discharged from blow-off pipe using mass-flow, to prevent fluid from existing
It causes to accumulate in the inlet valve seat of knife gate valve, influences passing through for fluid, further improve the service life of knife gate valve.
Elongated slot is additionally provided in the channel of the inlet valve seat, the elongated slot is axially arranged along the channel of inlet valve seat, described
Elongated slot is connected to annular groove.When fluid flows through inlet valve seat, impurity is further collected along elongated slot and is pooled in annular groove,
It is discharged by blow-off pipe.
The section of the annular groove is U-shaped or half arc, prevents impurity from forming accumulation in annular groove, improves filtering effect
Fruit.
The utility model has the following advantages：
1, the utility model inlet valve seat is equipped with annular groove and hole for water spraying, and the annular groove is justified along the channel of inlet valve seat
Week setting, the inlet valve seat are equipped with blow-off pipe, and the blow-off pipe is communicated with annular groove；The hole for water spraying is used for inlet valve
It is passed through high pressure water in seat, the spout of hole for water spraying is towards filter screen.Annular groove is located at the inlet valve seat before filter screen, and fluid flows through
When filter screen, flow velocity reduces, and the impurity of filtering is wanted in the effect collection of gravity in annular groove, through collection after a period of time,
Blow-off pipe is opened to release；When deslagging knife gate valve is stopped, high pressure water is accessed by the jet pipe of hole for water spraying, using hole for water spraying to
Valve passage is sprayed water, and remaining impurity spray on filter screen is fallen, flows into annular groove, while will be miscellaneous in annular groove using mass-flow
Matter is discharged from blow-off pipe, to prevent fluid from causing to accumulate in the inlet valve seat of knife gate valve, influences passing through for fluid, further
Improve the service life of knife gate valve.
2, the section of the annular groove of the utility model is U-shaped or half arc, prevents impurity from forming accumulation in annular groove, carries
High filtration effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
It is marked in figure：1, valve body, 2, executing agency, 3, inlet valve seat, 4, water outlet valve seat, 5, flashboard, 6, filter screen, 7, ring
Shape slot, 8, elongated slot, 9, valve shaft, 10, blow-off pipe, 11, hole for water spraying.
Specific implementation mode
The utility model is further elaborated below in conjunction with the accompanying drawings, but the present invention is not limited to following embodiments, it is described
Method is conventional method unless otherwise instructed, and the material can obtain unless otherwise instructed from open commercial sources.
Embodiment 1
As shown in Figure 1, a kind of deslagging knife gate valve capable of washing, including valve body 1, executing agency 2, inlet valve seat 3, outlet valve
Seat 4 and flashboard 5, inlet valve seat 3 are mounted on water outlet valve seat 4 on valve body, and executing agency 2 is driven by valve shaft 9 and moved down on flashboard 5
Dynamic to open or close inlet valve seat and water outlet valve seat, the water outlet of inlet valve seat 3 is equipped with the filter screen for filtering fluid impurity
6。
Annular groove 7 is offered on inlet valve seat 3, annular groove 7 is arranged along the channel circumference of inlet valve seat 3, in inlet valve
Seat 3 is equipped with blow-off pipe 10, and the blow-off pipe 10 is communicated with annular groove 7.It is additionally provided on inlet valve seat 3 for inlet valve
The hole for water spraying 11 of fluid channel water spray in seat 3,11 external high-pressure wash water of hole for water spraying.
Annular groove 7 is located on the inlet valve seat 3 before filter screen 6, and when fluid stream is through filter screen 6, flow velocity reduces, filtering
Impurity wanted in annular groove in the effect collection of gravity, through collection after a period of time, open blow-off pipe and release, to anti-fluid stopping
Body causes to accumulate in the inlet valve seat of knife gate valve, influences passing through for fluid, while also improving the service life of knife gate valve.Row
When slag knife gate valve is stopped, high pressure water is accessed by the jet pipe of hole for water spraying, is sprayed water to valve passage using hole for water spraying, incited somebody to action
Remaining impurity spray is fallen on strainer, flows into annular groove, while the impurity in annular groove being discharged from blow-off pipe using mass-flow, from
And prevent fluid from causing to accumulate in the inlet valve seat of knife gate valve, passing through for fluid is influenced, making for knife gate valve is further improved
Use the service life.
Further, elongated slot 8 is additionally provided in the channel of inlet valve seat 3, the elongated slot 8 is axial along the channel of inlet valve seat 3
Setting, the elongated slot 8 are connected to annular groove 7.When fluid flows through inlet valve seat, impurity is further collected and is collected along elongated slot
Into annular groove, discharged by blow-off pipe.
Further, the section of annular groove 7 is U-shaped or half arc, prevents impurity from forming accumulation in annular groove, improved
Filter effect.
Claims (3)
1. a kind of deslagging knife gate valve capable of washing, including valve body (1), executing agency (2), inlet valve seat (3), water outlet valve seat (4),
Flashboard (5) and filter screen (6), inlet valve seat (3) are mounted on water outlet valve seat (4) on valve body (1), and executing agency (2) passes through valve
Axis (9) driving flashboard (5), which moves up and down, opens or closes inlet valve seat (3) and water outlet valve seat (4), filter screen (6) setting
Water outlet in inlet valve seat (3), it is characterised in that：The inlet valve seat (3) is equipped with annular groove (7) and hole for water spraying (11),
The annular groove (7) is arranged along the channel circumference of inlet valve seat (3), and the inlet valve seat (3) is equipped with blow-off pipe (10), described
Blow-off pipe (10) is communicated with annular groove (7)；The hole for water spraying (11) is used to be passed through high pressure water, hole for water spraying into inlet valve seat (3)
(11) spout is towards filter screen (6).
2. a kind of deslagging knife gate valve capable of washing according to claim 1, it is characterised in that：The inlet valve seat (3)
Elongated slot (8) is additionally provided in channel, the elongated slot (8) is axially arranged along the channel of inlet valve seat (3), the elongated slot (8) and annular
Slot (7) is connected to.
3. a kind of deslagging knife gate valve capable of washing according to claim 1, it is characterised in that：The annular groove (7)
Section is U-shaped or half arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848806.1U CN207796141U (en) | 2017-12-26 | 2017-12-26 | A kind of deslagging knife gate valve capable of washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848806.1U CN207796141U (en) | 2017-12-26 | 2017-12-26 | A kind of deslagging knife gate valve capable of washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796141U true CN207796141U (en) | 2018-08-31 |
Family
ID=63279107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848806.1U Expired - Fee Related CN207796141U (en) | 2017-12-26 | 2017-12-26 | A kind of deslagging knife gate valve capable of washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779853A (en) * | 2020-06-08 | 2020-10-16 | 范兰 | Valve plate guide way anti-blocking device |
-
2017
- 2017-12-26 CN CN201721848806.1U patent/CN207796141U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779853A (en) * | 2020-06-08 | 2020-10-16 | 范兰 | Valve plate guide way anti-blocking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180831 Termination date: 20201226 |