CN2758565Y - Bottom open type coal-water discharge valve - Google Patents
Bottom open type coal-water discharge valve Download PDFInfo
- Publication number
- CN2758565Y CN2758565Y CN 200420114807 CN200420114807U CN2758565Y CN 2758565 Y CN2758565 Y CN 2758565Y CN 200420114807 CN200420114807 CN 200420114807 CN 200420114807 U CN200420114807 U CN 200420114807U CN 2758565 Y CN2758565 Y CN 2758565Y
- Authority
- CN
- China
- Prior art keywords
- valve
- utility
- model
- discharge valve
- open type
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a bottom open type coal-slurry discharge valve which belongs to the technical field of valves. The utility model is characterized in that a groove is arranged on the middle part of a cylindrical valve disk, and a flexible sealing O-shaped ring is inserted into the groove. When the utility model is used, the utility model can remove the coal slurry. A cone body of the valve disk and an internal cone surface of a valve keep tight contact, and thus, a metal sealing surface is formed. As a result, the utility model ensures tight seal. Besides, the utility model is provided with a cleaning pipe opening and an oblique baffle plate. Thus, the utility model overcomes the defects of loose seal, difficult operation, no cleaning function, easy coal slurry drying and flow passage blockage existing in the existing discharge valve. Therefore, the utility model is a very practical improved design.
Description
Technical field: belonging to valve technology field, exactly is a kind of valve of carrying coal slurry to use.
Background technique: at present, discharging valve under the coal slurry jar generally adopts plunger (or claiming piston) formula structure, the sealing of its valve is formed (every group of seal ring often is to be made of with three to four spacer rings three to five PTFE rings) by two groups of seal rings in reciprocating metal plunger and the valve body, metal plunger and seal ring are combined closely, thereby reach seal action.But its shortcoming is that to open moment big, inconvenient operation, particularly seal ring admire into more hard coal particle and during the plucking plunger surface performance particularly outstanding.In addition, generally speaking, 60% is the solid composition in the coal slurry, very thickness behind valve closing, all will clean valve and pipeline, because this valve does not have Butterworth Hatch, rinse water is taken over mouth and can only be provided with on the pipeline that valve is gone out, when connecting the rinse water cleaning, because valve is closed, cause and clean the dead band, if do not remove valve export flange bolt and pad, will accumulate a large amount of coal slurries in the valve, can block pipeline behind the dried gu.If remove bolt and pad, not only to renew pad, the more important thing is that general pipeline all is made up of large diameter heavy wall pipe and pipe fitting, weight is very big, and dismounting will have the hanging device of special use, requires great effort, takes a lot of work, time-consuming.
Summary of the invention: the utility model will provide a kind of good seal performance, but easy to operate; The hard coal particle can plucking piston internal surface, and a kind of bottom open type coal slurry discharging valve of Butterworth Hatch is housed.
Technical solution adopted in the utility model:
Valve seat at opening is fastening across pad and valve body, valve body is fastening by bolt and valve gap, the valve gap bottom is equipped with one by the upper and lower mobile gear of handwheel control valve rod, in the prior art of drain hole, the modern employing: top is in the middle of the upper cylinder of the cylindrical body bottom valve disc that is circular cone, one annular groove that is embedded with soft sealing O type circle is arranged, and the cone of valve disc closely contacts to form with the valve seat internal conical surface and seals; On the vertical cylindrical shell of valve body, the mouth of pipe that can connect rinse water is arranged, the lower wall portion of drain hole has a slant block board.
After implementing the utility model, because sealing surface adopts metal hard-sealing, and does not have fastness, sealing is reliable, rapid operation.Soft sealing O type circle is arranged in the annular groove,, improved sealability at the upper and lower coal slurry that can eliminate when mobile on the wall of valve disc.Butterworth Hatch can clean valve pocket easily, and when valve was normally opened, valve disc was in valve body lower end, forms the all-pass gauge structure, is not subjected to the resistance shelves during media flow, and resistance drop is very little, thereby has accomplished reliable operation, and is easy to operate, cleans easily, and resistance reduces.Improve efficient, reduced cost.
Description of drawings:
Fig. 1 is the utility model structural profile schematic representation.
Embodiment: existing the utility model is described in further detail in conjunction with the accompanying drawings, valve seat 2 by opening is fastening across pad 6 and valve body 1, valve body 1 is fastening by bolt and valve gap 10, be equipped with in the discharging valve that the upper and lower mobile gear 13 of a handwheel 14 control valve rod 8 and drain hole 16 form valve gap 10 bottoms, top is in the middle of the upper cylinder of the cylindrical body bottom valve disc 5 that is cone, one annular groove 15 that is embedded with soft sealing O type circle 4 is arranged, the cone of valve disc 5 closely contacts with the internal conical surface of valve seat 2, the sealing surface 3 of formation; On the vertical valve body of valve body 1, the mouth of pipe 7 that can connect rinse water is arranged, the lower wall portion of drain hole 16 has a slant block board 9.Rotate handwheel 14 with regard to driven gear 13, valve rod 8 is moved down, open valve disc 5 and move down, when valve disc 5 is in when moving down limit position 17, for being in a kind of all-pass configuration state that directly circulates, the opening maximum is the coal slurry blowing state of maximum.
Claims (1)
1, bottom open type coal slurry discharging valve, valve seat (2) by opening is fastening across pad (6) and valve body (1), valve body (1) is fastening by bolt and valve gap (10), a handwheel (14) control valve rod (8) upper and lower mobile gears (13) are equipped with in valve gap (10) bottom and drain hole (16) is formed, and it is characterized in that:
Top is in the middle of the upper cylinder of the cylindrical body bottom valve disc (5) that is cone, and an annular groove (15) that is embedded with soft sealing O type circle (4) is arranged, and the cone of valve disc (5) closely contacts with the internal conical surface of valve seat (2), formation sealing surface (3); On the vertical cylindrical shell of valve body (1), the mouth of pipe (7) that can connect rinse water is arranged, the lower wall portion of drain hole (16) has a slanting baffle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114807 CN2758565Y (en) | 2004-12-24 | 2004-12-24 | Bottom open type coal-water discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114807 CN2758565Y (en) | 2004-12-24 | 2004-12-24 | Bottom open type coal-water discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2758565Y true CN2758565Y (en) | 2006-02-15 |
Family
ID=36078707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420114807 Expired - Fee Related CN2758565Y (en) | 2004-12-24 | 2004-12-24 | Bottom open type coal-water discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2758565Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526142B (en) * | 2009-04-20 | 2012-10-03 | 张鹤鸣 | Rotary plunger expansion valve |
| CN109183482A (en) * | 2014-06-20 | 2019-01-11 | 高建鑫 | A kind of pressure vessel systems |
-
2004
- 2004-12-24 CN CN 200420114807 patent/CN2758565Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526142B (en) * | 2009-04-20 | 2012-10-03 | 张鹤鸣 | Rotary plunger expansion valve |
| CN109183482A (en) * | 2014-06-20 | 2019-01-11 | 高建鑫 | A kind of pressure vessel systems |
| CN109183483A (en) * | 2014-06-20 | 2019-01-11 | 高建鑫 | A kind of pressure vessel systems |
| CN109183483B (en) * | 2014-06-20 | 2021-05-25 | 江苏卅维装备科技有限公司 | Pressure vessel system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |