CN201342301Y - Flip horizontal multi-leaf type off-line valve - Google Patents
Flip horizontal multi-leaf type off-line valve Download PDFInfo
- Publication number
- CN201342301Y CN201342301Y CNU2009200039720U CN200920003972U CN201342301Y CN 201342301 Y CN201342301 Y CN 201342301Y CN U2009200039720 U CNU2009200039720 U CN U2009200039720U CN 200920003972 U CN200920003972 U CN 200920003972U CN 201342301 Y CN201342301 Y CN 201342301Y
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- CN
- China
- Prior art keywords
- valve
- rotating shaft
- flip horizontal
- line valve
- valve body
- 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 discloses a flip horizontal multi-leaf type off-line valve, which comprises an air cylinder which pushes a connecting rod, the connecting rod drives a rotating shaft which is perpendicular to the ground to rotate during fore-and-aft movement, valve plates which are arranged on the rotating shaft are opened or closed along the rotating of the rotating shaft, and the number of the valve plates is two or more. The flip horizontal multi-leaf type off-line valve has simple structure, convenient making and mounting, can be designed in non-standard, the width is equal to the width of a bin chamber, thereby leading air flow which passes through a dust remover filter system to be uniform, increasing the load uniformity of a pulsed jet cloth dust remover filter system, and effectively reducing the local resistance of the dust remover filter system. The area of passage is large, and the speed when the air flow passes through a valve body is greatly reduced, thereby reducing the local resistance when the air flow passes through the valve body. The operation is safe, thereby being capable of preventing the situation that valve plates are closed by a poppet valve, which is caused when a dynamic gas source breaks down, and increasing the operation safe degree of equipment.
Description
Technical field
The utility model relates to the off-line valve, is meant the leafy formula off-line of flip horizontal valve especially.
Background technology
In order to strengthen the ash-removal effect of deduster, usually when pulsed jet cloth filter designs, deduster is designed to a plurality of bins, and one cover off-line valve all is set in the outlet of each bin, to control the air-flow that passes of this bin inner filtration system, when this bin is in the filtration state, the off-line valve is in open mode, dusty gas passes filtration system and carries out the separation of dirt gas after the off-line valve enters the pure qi (oxygen) pipeline, during jetting deashing, the off-line valve is in closed condition, cut off the ascending air of corresponding filtration system, make the dust of shaking off fall into deduster ash storehouse smoothly, and prevent that effectively the secondary of dust from adhering to.
At present, the off-line valve that domestic pulsed jet cloth filter is commonly used mostly is lift valve and butterfly valve, and executing agency all adopts cylinder, and there is complex structure in existing off-line valve, is not easy to and problem such as each bin installation.
The utility model content
In view of this, the utility model is to provide flip horizontal leafy off-line valve, has complex structure to solve above-mentioned off-line valve, is not easy to the problem of installing with each bin.
For addressing the above problem, the utility model provides flip horizontal leafy off-line valve, comprising:
Promote the cylinder of connecting rod, connecting rod drives the rotating shaft that is axially perpendicular to ground and rotates in back and forth movement, is installed in valve plate in the rotating shaft along with the rotation of rotating shaft is opened or closed, and the quantity of valve plate is two or more.
Compare with butterfly valve with present lift valve, have following characteristics:
1. guarantee the normal operation of equipment, because of the executing agency of these valves all adopts cylinder, when power gas source breaks down and does not have other remedial measure, lift valve descends under the gravity effect of deduster internal pressure and valve plate, thereby the phenomenon that whole off-line valves cuts out occurs, influence the safe operation of equipment, and the flip horizontal valve is when power gas source breaks down, the phenomenon that uncontrollable bin air-flow only can occur is in closed condition but system only has the off-line valve of a bin;
2. the local resistance when the reduction air-flow passes valve body, in designing and calculating, the relation that speed when the local resistance when air-flow passes valve body is usually passed valve body with air-flow becomes square, the leafy formula roll-over valve of this level is because of area of passage big (can reach 1.5 times that use valve body at present always usually), reduce the speed when air-flow passes valve body greatly, thereby reduced the local resistance when air-flow passes valve body;
3. improve the load uniformity of pulsed jet cloth filter filtration system, the wide width with bin of the leafy formula roll-over valve of this level design width, make that the air-flow that passes the deduster filtration system is even, do not have the blind area, and effectively reduce the local resistance of deduster filtration system;
4. device structure is simple, and is convenient easy-to-use.
For the off-line valve of being set forth among each embodiment of the utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Description of drawings
Fig. 1 is the front view of off-line valve;
Fig. 2 is the vertical view of off-line valve;
Fig. 3 is the left view of off-line valve.
The specific embodiment
For clearly demonstrating the technical scheme in the utility model, provide preferred embodiment below and be described with reference to the accompanying drawings.
Referring to Fig. 1 to Fig. 3, comprising: promote the cylinder 11 of connecting rod 12, connecting rod 12 drives the rotating shaft 13 that is axially perpendicular to ground and rotates in back and forth movement, is installed in valve plate 14 in the rotating shaft 13 along with the rotation of rotating shaft 13 is opened or closed.
The size of valve body 16 is identical with each bin, and quantity is two or more, and the user can increase according to actual conditions.
Off-line valve during this is novel is arranged on bin outlet connection fresh-air duct place in the pulsed jet cloth filter.Have following characteristics:
1. simple in structure, fabrication and installation are convenient;
2. can nonstandardly design, the width of valve body is equal to and the bin width, makes that the air-flow that passes the deduster filtration system is even, has improved the load uniformity of pulsed jet cloth filter filtration system, thereby has effectively reduced the local resistance of deduster filtration system;
3. area of passage is big, has reduced the speed when air-flow passes valve body greatly, thereby has reduced the local resistance when air-flow passes valve body;
4. security of operation, the situation that the whole valve plates that can avoid lift valve to bring when power gas source breaks down are closed has improved the security of operation degree of equipment;
5. the local resistance when passing valve body and deduster filtration system by the reduction air-flow has reduced the resistance of whole pulsed jet cloth filter greatly to be decreased, and directly reduces the equipment operation energy consumption.
Compare with butterfly valve with present lift valve, have following advantage:
1. guarantee the normal operation of equipment, because of the executing agency of these valves all adopts cylinder, when power gas source breaks down and does not have other remedial measure, lift valve descends under the gravity effect of deduster internal pressure and valve plate, thereby the phenomenon that whole off-line valves cuts out occurs, influence the safe operation of equipment, and the flip horizontal valve is when power gas source breaks down, the phenomenon that uncontrollable bin air-flow only can occur is in closed condition but system only has the off-line valve of a bin;
2. the local resistance when the reduction air-flow passes valve plate, in designing and calculating, the relation that speed when the local resistance when air-flow passes valve body is usually passed valve body with air-flow becomes square, the leafy formula roll-over valve of this level is because of area of passage big (can reach at present often 1.5 times of valve body usually), reduce the speed when air-flow passes valve body greatly, thereby reduced the local resistance when air-flow passes valve body;
3. improve the load uniformity of pulsed jet cloth filter filtration system, the wide width with bin of the leafy formula roll-over valve of this level design width, make that the air-flow that passes the deduster filtration system is even, do not have the blind area, and effectively reduce the local resistance of deduster filtration system;
4. device structure is simple, and is convenient easy-to-use.
For the off-line valve of being set forth among each embodiment of the utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1, the leafy off-line valve of flip horizontal, it is characterized in that, comprising: promote the cylinder (11) of connecting rod (12), connecting rod (12) is in back and forth movement, drive is axially perpendicular to the rotating shaft (13) on ground and rotates, and is installed in valve plate (14) in the rotating shaft (13) along with the rotation of rotating shaft (13) is opened or closed.
According to the leafy off-line valve of the described flip horizontal of claim 1, it is characterized in that 2, the quantity of valve plate (14) is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039720U CN201342301Y (en) | 2009-01-21 | 2009-01-21 | Flip horizontal multi-leaf type off-line valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039720U CN201342301Y (en) | 2009-01-21 | 2009-01-21 | Flip horizontal multi-leaf type off-line valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201342301Y true CN201342301Y (en) | 2009-11-11 |
Family
ID=41273886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200039720U Expired - Fee Related CN201342301Y (en) | 2009-01-21 | 2009-01-21 | Flip horizontal multi-leaf type off-line valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201342301Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007650A (en) * | 2012-12-18 | 2013-04-03 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN103463889A (en) * | 2013-10-01 | 2013-12-25 | 哈尔滨蔚蓝环保设备制造有限公司 | Off-line dedusting air door of self-pressing dedusting bag-type dust remover and dedusting method thereof |
-
2009
- 2009-01-21 CN CNU2009200039720U patent/CN201342301Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007650A (en) * | 2012-12-18 | 2013-04-03 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN103007650B (en) * | 2012-12-18 | 2015-04-29 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN103463889A (en) * | 2013-10-01 | 2013-12-25 | 哈尔滨蔚蓝环保设备制造有限公司 | Off-line dedusting air door of self-pressing dedusting bag-type dust remover and dedusting method thereof |
| CN103463889B (en) * | 2013-10-01 | 2015-09-30 | 哈尔滨蔚蓝环保设备制造有限公司 | The off-line ash-clearing air door of self-pressure deashing sack cleaner and dust collection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20120121 |