CN107606203A - The entrance point valve base sealing structure of blowing gate valve - Google Patents
The entrance point valve base sealing structure of blowing gate valve Download PDFInfo
- Publication number
- CN107606203A CN107606203A CN201711021187.3A CN201711021187A CN107606203A CN 107606203 A CN107606203 A CN 107606203A CN 201711021187 A CN201711021187 A CN 201711021187A CN 107606203 A CN107606203 A CN 107606203A
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- Prior art keywords
- valve
- entrance point
- valve seat
- sealing structure
- valve body
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Abstract
The invention discloses a kind of entrance point valve base sealing structure of blowing gate valve, including：Valve body, entrance point blow device and entrance point valve seat；The entrance point valve seat is welded in the intracavitary of the valve body；On the channel centerline of the just forward and backward side of the valve body, corresponding position processing purge hole vertical with the entrance point valve seat；The entrance point blow device is set respectively at the purge hole；The entrance point valve seat includes valve seat cover plate, and steam vent is evenly arranged with the valve seat cover plate.The present invention uses entrance point valve seat air hardening double sealing structure, band blow device, improves the tightness of valve valve base sealing, adds a valve from scarfing cinder function；Valve seal pair is superhard seal in alloy material, improves valve wear resistance, extends valve service life；This valve base sealing structure is simple, is easily worked realization, and manufacturing cost is low, it is ensured that user's set security.
Description
Technical field
The present invention relates to mechanical equipment technical field, specifically, more particularly to a kind of entrance point valve seat of blowing gate valve
Sealing structure.
Background technology
Baiting valve is arranged between reactor and waste tank, it is necessary to when discharging waste material, valve opening, discharges material residue.At present,
There are the following problems for conventional baiting valve：1. valve seal mode is single, easily cause poorly sealed；2. valve body structure is complicated,
Manufacturing cost is high；3. the built-in soft seal circle of valve pocket needs to regularly replace, valve service life is reduced.For existing for traditional baiting valve
Problem above, a kind of blowing gate valve of zero leakage sealing is designed, simple in construction, easy to operation, valve band is from scarfing cinder function.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of entrance point valve base sealing of blowing gate valve
Structure.The technical scheme is as follows：
On the one hand, there is provided a kind of entrance point valve base sealing structure of blowing gate valve, including：Valve body, entrance point purging dress
Put and entrance point valve seat；The entrance point valve seat is welded in the intracavitary of the valve body；In the passage of the just forward and backward side of the valve body
On heart line, corresponding position processing purge hole vertical with the entrance point valve seat；The import is set respectively at the purge hole
Hold blow device；
The entrance point valve seat includes valve seat cover plate, and steam vent is evenly arranged with the valve seat cover plate.
Further, the entrance point valve base sealing structure of blowing gate valve also includes flashboard, the flashboard built-up welding sealing surface；Institute
State built-up welding sealing surface on valve body, entrance point valve seat built-up welding sealing surface on the inside of steam vent；The sealing surface of the flashboard and institute
State entrance point valve seat, the sealing surface of valve body coincide for twice circular planes.
Further, the notch of the valve body is more than the insertion diameter of the entrance point valve seat.
Further, the valve body welds to form toroidal cavity with the valve seat cover plate.
Further, in addition to the purge hole that matches of the entrance point blow device and valve；The purge hole is machined in
On the valve body, and pass to the valve body inner annular cavity.
Further, circumferential weld profile is anti-side chamfering shape between the valve seat cover plate and valve body.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The entrance point valve base sealing structure of blowing gate valve of the present invention, using entrance point valve seat gas-hard double sealing structure, band
Blow device, the tightness of valve valve base sealing is improved, adds a valve from scarfing cinder function；Valve seal is secondary to be superhard close
Alloy material is sealed, improves valve wear resistance, extends valve service life；This valve base sealing structure is simple, is easily worked reality
It is existing, and manufacturing cost is low, it is ensured that user's set security.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the entrance point blow device structural representation of the blowing gate valve of the embodiment of the present invention；
Fig. 2 is the entrance point valve base sealing structure schematic diagram of the blowing gate valve of the embodiment of the present invention；
Fig. 3 is the entrance point valve base sealing structure close-up schematic view of the blowing gate valve of the embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The invention provides a kind of entrance point valve base sealing structure of blowing gate valve, referring to Fig. 1-3, including：Valve body 1, enter
Mouth end blow device 2 (3) and entrance point valve seat 4；The entrance point valve seat 4 is welded in the intracavitary of the valve body 1；The valve body
On the channel centerline of 1 just forward and backward side, corresponding position processing purge hole vertical with entrance point valve seat 4；The purge hole punishment
The entrance point blow device 2 (3) is not set.
The entrance point valve seat 4 includes valve seat cover plate 6, and steam vent 7 is evenly arranged with the valve seat cover plate 6.
During concrete application, nitrogen is passed through in entrance point blow device, nitrogen immediately enters toroidal cavity 8, and moment is full of row
Between the space that the outer seat cover plate 6 of stomata 7 and flashboard are formed, valve body 1 and the sealing surface of entrance point valve seat 4 are persistently purged, removed
The slag charge being bonded on sealing surface；Meanwhile nitrogen is full of the inside and outside formation air-tight structure of toroidal cavity 8.
Further, in addition to flashboard 5, built-up welding sealing surface on the valve body 1；Entrance point valve seat 4, valve seat cover plate 6, valve body
Built-up welding sealing surface on 1, the built-up welding sealing surface on the inside of steam vent of entrance point valve seat 4, ensure the sealing surface of flashboard 5 and import end valve
Seat 4, the sealing surface of valve body 1 coincide for twice circular planes, formation hard sealing structure.This gas-hard double sealing structure ensures valve
Door turn-off transient sealing surface realizes valve seal zero leakage, superhard seal in alloy material also ensure that valve not by impurity erosion
Super abrasive characteristic.
The entrance point valve base sealing structure of blowing gate valve provided by the invention is installed on the control between reactor and waste tank
Waste material processed, the valve sealing structure of waste residue, protection device do not occur environmental pollution, guaranteed personal safety.
Further, the notch of valve body 1 for assembling import end valve seat 4 is more than valve seat insertion diameter, and shape is welded with valve seat cover plate
Cavity is circularized, the purge hole that the entrance point blow device 2 (3) matches with valve, processing purge hole passes to valve on valve body 1
Internal toroidal cavity；It is no more than 1mm, the entrance point that the cover plate face of entrance point valve seat 4 has gap with the sealing surface of flashboard 5
Circumferential weld profile must ensure as anti-side chamfering shape between the cover plate of valve seat 4 and valve body 1.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The entrance point valve base sealing structure of blowing gate valve of the present invention, using entrance point valve seat gas-hard double sealing structure, band
Blow device, the tightness of valve valve base sealing is improved, adds a valve from scarfing cinder function；Valve seal is secondary to be superhard close
Alloy material is sealed, improves valve wear resistance, extends valve service life；This valve base sealing structure is simple, is easily worked reality
It is existing, and manufacturing cost is low, it is ensured that user's set security.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
- A kind of 1. entrance point valve base sealing structure of blowing gate valve, it is characterised in that including：Valve body, entrance point blow device with And entrance point valve seat；The entrance point valve seat is welded in the intracavitary of the valve body；The channel centerline of the just forward and backward side of the valve body On, corresponding position processing purge hole vertical with the entrance point valve seat；The entrance point is set to blow respectively at the purge hole Sweeping device；The entrance point valve seat includes valve seat cover plate, and steam vent is evenly arranged with the valve seat cover plate.
- 2. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 1, it is characterised in that also including flashboard, institute State flashboard built-up welding sealing surface；Built-up welding sealing surface on the valve body, entrance point valve seat built-up welding sealing surface on the inside of steam vent；Institute The sealing surface and the entrance point valve seat, the sealing surface of valve body for stating flashboard coincide for twice circular planes.
- 3. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 2, it is characterised in that the notch of the valve body Diameter is embedded in more than the entrance point valve seat；It is described to weld to form toroidal cavity with valve seat cover plate.
- 4. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 3, it is characterised in that the notch of the valve body More than the insertion diameter of the entrance point valve seat.
- 5. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 4, it is characterised in that the valve body with it is described Valve seat cover plate welds to form toroidal cavity.
- 6. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 5, it is characterised in that also including the import The purge hole for holding blow device to match with valve；The purge hole is machined on the valve body, and passes to the valve body annular Cavity.
- 7. the entrance point valve base sealing structure of blowing gate valve as claimed in claim 6, it is characterised in that the valve seat cover plate with Circumferential weld profile is anti-side chamfering shape between valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021187.3A CN107606203A (en) | 2017-10-26 | 2017-10-26 | The entrance point valve base sealing structure of blowing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021187.3A CN107606203A (en) | 2017-10-26 | 2017-10-26 | The entrance point valve base sealing structure of blowing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107606203A true CN107606203A (en) | 2018-01-19 |
Family
ID=61080522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711021187.3A Pending CN107606203A (en) | 2017-10-26 | 2017-10-26 | The entrance point valve base sealing structure of blowing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606203A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3773068A (en) * | 1971-09-10 | 1973-11-20 | Koppers Co Inc | Gate valve |
| US4643395A (en) * | 1985-11-21 | 1987-02-17 | Joy Manufacturing Company | Valve with protected seats |
| CN2358285Y (en) * | 1998-12-08 | 2000-01-12 | 温州市中力阀门有限公司 | Gate valve |
| CN202955260U (en) * | 2012-12-06 | 2013-05-29 | 重庆川武仪表有限公司 | Piston type equilibrium structure of sliding plate type stop valve |
| CN203258091U (en) * | 2013-04-17 | 2013-10-30 | 挺宇集团有限公司 | Double-gate-plate gate valve for pollution cleaning through blowing and sweeping |
| CN207406807U (en) * | 2017-10-26 | 2018-05-25 | 兰州高压阀门有限公司 | The input end valve base sealing structure of blowing gate valve |
-
2017
- 2017-10-26 CN CN201711021187.3A patent/CN107606203A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3773068A (en) * | 1971-09-10 | 1973-11-20 | Koppers Co Inc | Gate valve |
| US4643395A (en) * | 1985-11-21 | 1987-02-17 | Joy Manufacturing Company | Valve with protected seats |
| CN2358285Y (en) * | 1998-12-08 | 2000-01-12 | 温州市中力阀门有限公司 | Gate valve |
| CN202955260U (en) * | 2012-12-06 | 2013-05-29 | 重庆川武仪表有限公司 | Piston type equilibrium structure of sliding plate type stop valve |
| CN203258091U (en) * | 2013-04-17 | 2013-10-30 | 挺宇集团有限公司 | Double-gate-plate gate valve for pollution cleaning through blowing and sweeping |
| CN207406807U (en) * | 2017-10-26 | 2018-05-25 | 兰州高压阀门有限公司 | The input end valve base sealing structure of blowing gate valve |
Non-Patent Citations (2)
| Title |
|---|
| 王训钜等: "《阀门使用维修手册》", 31 December 1998, 中国石化出版社 * |
| 邱长军，李必文: "《核电设备焊接技术》", 30 September 2014, 北京理工大学出版社 * |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |