CN102720849B - Automatic dust discharge valve - Google Patents
Automatic dust discharge valve Download PDFInfo
- Publication number
- CN102720849B CN102720849B CN201210200586.7A CN201210200586A CN102720849B CN 102720849 B CN102720849 B CN 102720849B CN 201210200586 A CN201210200586 A CN 201210200586A CN 102720849 B CN102720849 B CN 102720849B
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- valve
- dust
- end cap
- valve body
- rotary shaft
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Abstract
The invention relates to a dust discharge valve, aims to solve the technical problem that dust easily sticks to a narrow dust discharge cavity of a valve body of the dust discharge valve currently used, and provides an automatic dust discharge valve which is simple in structure and driven without electric power. The automatic dust discharge valve comprises a dust discharge valve body provided with an upper dust inlet and a lower dust outlet. Two ends of the valve body are covered with end covers. Two valve plates are eccentrically disposed in the valve body. When dust enters the valve, the valve plates can be opened to discharge dust. After the dust is discharged, the two valve plates can return automatically. By the automatic dust discharge valve, the technical problem of rotational friction heating due to blockage of the current dust discharge valve by dust can be solved effectively. In addition, an electric motor and a reduction box are omitted from the dust discharge valve, and accordingly equipment cost can be reduced effectively, and energy sources can be economized effectively.
Description
Technical field
The present invention relates to a kind of unloading valve, specifically refer to a kind of self-tipping type unloading valve.
Background technique
Unloading valve is the capital equipment of dusting apparatus ash discharge, air-supply and miscellaneous equipment feed, is applicable to granular material and granulated material.Unloading valve mostly is star-shaped dust-discharging valve at present, and star-shaped dust-discharging valve comprises valve body and valve plate, and valve body top has ash inlet, and valve body 1 bottom has cinder-discharging port, and body cavity arranges polylith valve plate along even circumferential, between valve plate and valve plate, forms and unloads grey chamber.
Under normal circumstances, the dust of collecting in dust collector ash hopper is transported to star-shaped dust-discharging valve napex ash inlet top, dust falls in the grey chamber of unloading of star-shaped dust-discharging valve by ash inlet, then rotates star-shaped dust-discharging valve, and dust is discharged in dust collection bag and is specified and reclaim by cinder-discharging port.But in use find owing to being divided into multiple grey chambeies of unloading in valve body.Each inner space of unloading grey chamber is narrower and small, and the dust that causes collecting easily coheres unloading in grey chamber, causes that to unload inner space, grey chamber more and more less.Along with the continuous rotation of star-shaped dust-discharging valve, dust is piled up gradually in star-shaped dust-discharging valve unloads grey chamber, and when unloading valve rotates to cinder-discharging port position at every turn, dust does not fall, but coheres unloading in inner space, grey chamber, makes to unload grey chamber and has lost gradually ash discharge effect.Unloading valve in the dusting apparatus using take current large shipbuilding enterprise is as example, hull is in dust removal process, in unloading valve cavity, easily adhere to the dust that contains in a large number zinc rich primer, mutually adhere to, very fine and close, very easily because frictional heating causes dieseling, occur, thereby cause equipment failure, impact is produced, and loses huge.
Summary of the invention
For overcoming, in the unloading valve valve body using at present, unload that grey cavity space is narrow, the easily technical problem of bonding of dust, the invention provides a kind of simple in structure, without power-actuated self-tipping type unloading valve.
For reaching above-mentioned technical purpose, the technical solution used in the present invention is: self-tipping type unloading valve, comprise unloading valve valve body, valve body top is provided with ash inlet, valve body lower portion is provided with ash outlet, valve body two ends adopt end cap shutoff, it is characterized in that: on the end cap at described valve body two ends, be provided with respectively in the both sides of end cap vertical center line two rotary shaft holes that are positioned in same level, the distance of rotary shaft hole and end cap central vertical line is less than the distance at rotary shaft hole and end cap edge; Two rotating shafts are fixed by the corresponding rotary shaft hole arranging on the end cap of two ends, in two rotating shafts, fix respectively valve plate, valve plate can drive rotating shaft freely to rotate in eccentric state in rotating shaft, the both sides of the internal chamber wall in valve body below two rotating shafts horizontal plane of living in are provided with position block, position block supports two valve plates in level, and two valve plate closures are divided into upper and lower two-part by body cavity; On the body cavity wall of unloading valve ash inlet both sides, fix respectively an ash blocking plate, two ash blocking plates close up downwards and extend to valve plate surface, and its lower ending opening is between two rotating shafts.
The distance of described rotary shaft hole and end cap central vertical line be rotary shaft hole and end cap edge distance 1/2.
Beneficial effect of the present invention is: by convertible valve plate is set in body cavity, can effectively increase the inner space of unloading grey chamber; Because valve plate is in eccentric state, when the dust of deduster drops to unloading valve, the slat belt valve plate in valve body can open dust is unloaded downwards from centre, puts to unload completely, and valve plate is automatically got back to closed state under eccentric effect.This unloading valve can effectively be eliminated the technical problem that current unloading valve causes spin friction to generate heat because of dust obstruction, and this unloading valve has been saved electric motor and speed reducer simultaneously, can effectively reduce equipment cost, the energy-conservation energy.
Accompanying drawing explanation
The sectional view that accompanying drawing 1 is the main apparent direction of the present invention.
The schematic diagram that accompanying drawing 3 is end cap.
Accompanying drawing 4 is the structure connection diagram of this unloading valve valve plate and rotating shaft.
In figure, 1, valve body, 2, end cap, 3, ash inlet, 4, ash outlet, 5, rotary shaft hole, 6, rotating shaft, 7, valve plate, 8, position block, 9, ash blocking plate.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, self-tipping type unloading valve, comprises unloading valve valve body 1, and valve body top is provided with ash inlet 3, and valve body lower portion is provided with ash outlet 4, and valve body two ends adopt end cap 2 shutoff.
As shown in Figure 3, be provided with respectively two rotary shaft holes 5 that are positioned in same level on the end cap 2 at valve body two ends in the both sides of end cap vertical center line, the distance of rotary shaft hole 5 and end cap 2 central vertical lines is less than the distance at rotary shaft hole 5 and end cap 2 edges.
As shown in Figure 1, two rotating shafts 6 are fixed by the corresponding rotary shaft hole 5 arranging on the end cap of two ends.
As shown in Figure 2, in two rotating shafts 6, fix respectively valve plate 7.
As shown in Figure 4, valve plate 7 forms eccentric state with the combination of rotating shaft 6, and valve plate 7 can drive rotating shaft 6 freely to rotate.
As shown in Figure 2, with the valve plate 7 of rotating shaft 6 after body cavity is fixing, due to the eccentric state of valve plate 7, valve plate 7 is rotated drive rotating shaft 6, for making valve plate 7 in level, the both sides of the internal chamber wall in valve body below two rotating shafts horizontal plane of living in are provided with position block 8, by position block 8, to the support of valve plate 7 outer rims, make two valve plates in level, and two valve plate closures are divided into upper and lower two-part by body cavity.
As shown in Figure 2, wish is opened two valve plates, need to be on the valve plate between two rotating shafts weight application, when this gravity applied force square is greater than the moment that valve plate own wt produces, two valve plates just can be opened downwards.This self-tipping type unloading valve designs according to this principle just, when the dust of deduster conveying is entered on the valve plate dropping between two rotating shafts by ash inlet, two valve plates just can be opened and unload ash, put to unload completely, and two valve plates just can automatically be got back to closed state under the effect of own wt.
According to above-mentioned known, if it is suitable that the throw of eccentric of rotating shaft on valve plate selected, valve plate just can be opened in time, but carrying out in dust removal process, the kind difference of dust, valve plate is sometimes may not can very sensitive, but as long as valve plate adopts eccentric setting, even if there is dust adhere to and do not open in time on valve plate, also can be along with the accumulation of increasing dust causes weight to increase and valve plate is opened.
According to known shown in Fig. 3, the throw of eccentric size of rotating shaft on valve plate depends on the range difference of end cap upper spindle hole to the distance of end cap central vertical line and rotary shaft hole to end cap edge, difference is larger, throw of eccentric is larger, open the needed weight of valve plate larger, in the present embodiment, the distance of rotary shaft hole and end cap central vertical line be rotary shaft hole and end cap edge distance 1/2.
For the dust that makes to be entered by ash inlet can accurately fall within on the valve plate between two rotating shafts, as shown in Figure 2, on the body cavity wall of unloading valve ash inlet both sides, fix respectively ash blocking plate 9, two ash blocking plates 9 and close up downwards and extend to valve plate surface, its lower ending opening is between two rotating shafts.
Claims (2)
1. self-tipping type unloading valve, comprise unloading valve valve body, valve body top is provided with ash inlet, valve body lower portion is provided with ash outlet, valve body two ends adopt end cap shutoff, it is characterized in that: on the end cap at described valve body two ends, be provided with respectively in the both sides of end cap vertical center line two rotary shaft holes that are positioned in same level, the distance of rotary shaft hole and end cap central vertical line is less than the distance at rotary shaft hole and end cap edge; Two rotating shafts are fixed by the corresponding rotary shaft hole arranging on the end cap of two ends, in two rotating shafts, fix respectively valve plate, valve plate can drive rotating shaft freely to rotate in eccentric state in rotating shaft, the both sides of the internal chamber wall in valve body below two rotating shafts horizontal plane of living in are provided with position block, position block supports two valve plates in level, and two valve plate closures are divided into upper and lower two-part by body cavity; On the body cavity wall of unloading valve ash inlet both sides, fix respectively an ash blocking plate, two ash blocking plates close up downwards and extend to valve plate surface, and its lower ending opening is between two rotating shafts.
2. self-tipping type unloading valve according to claim 1, is characterized in that: the distance of described rotary shaft hole and end cap central vertical line be rotary shaft hole and end cap edge distance 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200586.7A CN102720849B (en) | 2012-06-18 | 2012-06-18 | Automatic dust discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200586.7A CN102720849B (en) | 2012-06-18 | 2012-06-18 | Automatic dust discharge valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720849A CN102720849A (en) | 2012-10-10 |
| CN102720849B true CN102720849B (en) | 2014-04-30 |
Family
ID=46946684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210200586.7A Expired - Fee Related CN102720849B (en) | 2012-06-18 | 2012-06-18 | Automatic dust discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720849B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533980A (en) * | 2018-12-21 | 2019-03-29 | 湖南中冶长天重工科技有限公司 | A kind of rotatory feeder valve unloads grey anti-block device |
| CN111734861B (en) * | 2020-06-28 | 2022-06-28 | 扬州伯瑞格机械有限公司 | Self-operated ash discharge valve |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164421A (en) * | 1984-09-11 | 1986-03-19 | William Stephen Martin | Device for venting gaseous and/or vaporous media |
| DE10151584A1 (en) * | 2000-10-24 | 2002-06-06 | Kurt Stoetzel | Pressure relief flap has pivot mounted pendulum flap movable from open position by spring action or automatically by the gravity force acting upon it into closed position closing off free cross section of pressure relief duct |
| CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
| CN201818806U (en) * | 2010-08-30 | 2011-05-04 | 江苏鹏飞集团股份有限公司 | Two-stage linkage air locking valve with counter weight |
| CN201901373U (en) * | 2010-11-29 | 2011-07-20 | 江苏紫光吉地达环境科技股份有限公司 | Novel dust collector discharge valve |
| CN201925487U (en) * | 2010-12-21 | 2011-08-10 | 湖南晟通科技集团有限公司 | Automatic discharging valve |
| CN201963990U (en) * | 2010-11-29 | 2011-09-07 | 江苏紫光吉地达环境科技股份有限公司 | Automatic dust discharging valve of dust remover |
| CN102205283A (en) * | 2010-11-14 | 2011-10-05 | 龙口矿业集团有限公司 | Gas-lock cyclone dust collector with dual gravity automatic open-close ash valves |
| CN202056409U (en) * | 2011-05-20 | 2011-11-30 | 河北玖翔节能技术有限公司 | Anti-collapse star type ash discharging valve |
| CN102390671A (en) * | 2011-07-18 | 2012-03-28 | 平安电气股份有限公司 | Eccentric star-like cinder valve |
| CN202252008U (en) * | 2011-08-18 | 2012-05-30 | 林州市林丰铝电有限责任公司 | Dual-gravity cindervalve |
| CN202756637U (en) * | 2012-06-18 | 2013-02-27 | 黄海造船有限公司 | Self-demounting type cinder valve |
-
2012
- 2012-06-18 CN CN201210200586.7A patent/CN102720849B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164421A (en) * | 1984-09-11 | 1986-03-19 | William Stephen Martin | Device for venting gaseous and/or vaporous media |
| DE10151584A1 (en) * | 2000-10-24 | 2002-06-06 | Kurt Stoetzel | Pressure relief flap has pivot mounted pendulum flap movable from open position by spring action or automatically by the gravity force acting upon it into closed position closing off free cross section of pressure relief duct |
| CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
| CN201818806U (en) * | 2010-08-30 | 2011-05-04 | 江苏鹏飞集团股份有限公司 | Two-stage linkage air locking valve with counter weight |
| CN102205283A (en) * | 2010-11-14 | 2011-10-05 | 龙口矿业集团有限公司 | Gas-lock cyclone dust collector with dual gravity automatic open-close ash valves |
| CN201901373U (en) * | 2010-11-29 | 2011-07-20 | 江苏紫光吉地达环境科技股份有限公司 | Novel dust collector discharge valve |
| CN201963990U (en) * | 2010-11-29 | 2011-09-07 | 江苏紫光吉地达环境科技股份有限公司 | Automatic dust discharging valve of dust remover |
| CN201925487U (en) * | 2010-12-21 | 2011-08-10 | 湖南晟通科技集团有限公司 | Automatic discharging valve |
| CN202056409U (en) * | 2011-05-20 | 2011-11-30 | 河北玖翔节能技术有限公司 | Anti-collapse star type ash discharging valve |
| CN102390671A (en) * | 2011-07-18 | 2012-03-28 | 平安电气股份有限公司 | Eccentric star-like cinder valve |
| CN202252008U (en) * | 2011-08-18 | 2012-05-30 | 林州市林丰铝电有限责任公司 | Dual-gravity cindervalve |
| CN202756637U (en) * | 2012-06-18 | 2013-02-27 | 黄海造船有限公司 | Self-demounting type cinder valve |
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| Publication number | Publication date |
|---|---|
| CN102720849A (en) | 2012-10-10 |
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