CN201013960Y - Low pressure high efficiency pulse valve - Google Patents
Low pressure high efficiency pulse valve Download PDFInfo
- Publication number
- CN201013960Y CN201013960Y CNU2007200112002U CN200720011200U CN201013960Y CN 201013960 Y CN201013960 Y CN 201013960Y CN U2007200112002 U CNU2007200112002 U CN U2007200112002U CN 200720011200 U CN200720011200 U CN 200720011200U CN 201013960 Y CN201013960 Y CN 201013960Y
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- valve
- small
- air
- diaphragm
- film
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- Expired - Fee Related
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Abstract
A high effective low voltage pulse valve pertains to the design and manufacturing technical field of the pulse valve used in bag-typed pulse dust collector. An electromagnetic valve is positioned on the top of a valve body and the lower part of the electromagnetic valve is provided with a small valve cap and a small film; the lower part of the small film is provided with a large valve cap and a large film; an air collecting tube at the upper cavity of the small film is arranged between the small valve cap and an air distributor. The air supplementing pipeline of the upper cavity of the small film is shortened since the valve is provided with the air collecting tube, thus the air supplementing time is shortened and the pulse action is more sensitive. Additionally, the adding of the air collecting tube means that the utility model overcomes the shortage of too small displacement space of the large film in the current products. The utility model enables dust collecting to be executed by low-pressure air supply, which solves the problems existing in current products of easy leakage at the connection part between the valve body and an output tube caused by that the air is required to be supplied by high pressure and has simple structure and reasonable design.
Description
Technical field
The utility model belongs to the design and the manufacturing technology field of the sentinel valve that is used for the pulse dust cleaning sack cleaner.
Background technique
In handling industrial smoke, mostly adopting with the pressed gas is the exhaust dust device with bag of the pulse dust removal of power at present.But, not very desirable on its structural design for the core component sentinel valve on the dust removal apparatus.Because the space of big valve gap is not enough, makes the displacement space of diaphragm too small, therefore must be that high pressure admission could satisfy dust settling pocket surface deashing needs.All belong to the high-voltage pulse valve.Working pressure is generally 0.4～0.6Mpa.Pressure to source of the gas requires very high.Owing to be high pressure admission, cause valve body and output tube sealing part to be easy to take place source of the gas and leak, air leak rate of air curtain increases in the system.A large amount of energy inactions are consumed.Increase enterprise's cost of production.Therefore say that existing sentinel valve is not very desirable in actual applications.
Summary of the invention
It is little that the purpose of this utility model provides a kind of working pressure, and the action of low-voltage pulse valve that opening speed is fast is to solve the problem that existing sentinel valve exists in actual applications.
Structure of the present utility model is as shown in drawings: at the top of valve body one pilot solenoid valve is arranged, a little valve gap is arranged at the bottom of solenoid valve.In the bottom of little valve gap one Small diaphragm-piece is arranged, a big valve gap is arranged in the bottom of Small diaphragm-piece, a big diaphragm is arranged below the big valve gap, big diaphragm with between the valve gap spring is being arranged greatly, in diaphragm bottom greatly one output tube is arranged.On the top of gas tank one air distributor is arranged.Between little valve gap and air distributor, there is a Small diaphragm-piece epicoele to get tracheae.
Using method of the present utility model is the deashing source of the gas pipeline rear portion that it is installed in dust removal apparatus, and its working principle is: the magnet valve that conducts electricity is in the ban opened under electrical control.At this moment Small diaphragm-piece epicoele gas is discharged by pilot solenoid valve, and the Small diaphragm-piece upper cavity pressure decreases.Because the pressure effect moves on the Small diaphragm-piece.The gas of at this moment big diaphragm epicoele is by moving discharge on the Small diaphragm-piece, big diaphragm is owing to move on the negative pressure, and the pressure of air distributor is exported by output tube, forms the pulse air mass.The pulse air mass purges in filter bag by bend pipe and winding-up pipe, and filter bag is shaken, and the dust of filter bag outer surface is shaken off.Under electrical control, pilot solenoid valve is closed then, and the Small diaphragm-piece epicoele is by getting the tracheae air inlet, and Small diaphragm-piece is owing to the isostasy return, and the epicoele of big diaphragm is all pressed by the pore of getting on the big diaphragm, and last downforce is identical.Because the effect of spring, big diaphragm moves down.The sealing output tube is finished the pulsatile once deashing.The utility model is simple in structure, and is reasonable in design.Owing to have between little valve gap and air distributor and get tracheae, the tonifying Qi of Small diaphragm-piece epicoele is to realize by getting tracheae, shortens and gets the gas circuit footpath, has shortened the tonifying Qi time, makes the sentinel valve action sensitiveer.
Description of drawings
Accompanying drawing is the utility model structural representation
The big diaphragm 7-of the little valve gap 3-of the 1-pilot solenoid valve 2-Small diaphragm-piece 4-big valve gap 6-of spring 5-air distributor 8-output tube 9-Small diaphragm-piece epicoele is got tracheae
Embodiment
The utility model structure is as shown in drawings: a pilot solenoid valve (1) is arranged at the top of valve body, and a little valve gap (2) is arranged at the bottom of solenoid valve.One Small diaphragm-piece (3) is arranged in the bottom of little valve gap, a big valve gap (5) is arranged in the bottom of Small diaphragm-piece, a big diaphragm (6) is arranged below the big valve gap, big diaphragm with between the valve gap spring (4) is being arranged greatly, in diaphragm bottom greatly one output tube (8) is arranged.One air distributor (7) is arranged on the top of gas tank.Big valve gap connects by bolt mutually with air distributor.Between little valve gap and air distributor, there is a Small diaphragm-piece epicoele to get tracheae (9).This lower end of getting tracheae is connected with gas tank, and the upper end communicates with little valve gap.
Claims (1)
1. low-voltage high-efficiency sentinel valve, it is characterized in that: a pilot solenoid valve (1) is arranged at the top of valve body, one little valve gap (2) is arranged at the bottom of solenoid valve, one Small diaphragm-piece (3) is arranged in the bottom of little valve gap, one big valve gap (5) is arranged in the bottom of Small diaphragm-piece, below the big valve gap a big diaphragm (6) is arranged, between big diaphragm and big valve gap, a spring (4) is arranged, in big diaphragm bottom one output tube (8) is arranged, one air distributor (7) is arranged on the top of gas tank, between little valve gap and air distributor, have a Small diaphragm-piece epicoele to get tracheae (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200112002U CN201013960Y (en) | 2007-03-15 | 2007-03-15 | Low pressure high efficiency pulse valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200112002U CN201013960Y (en) | 2007-03-15 | 2007-03-15 | Low pressure high efficiency pulse valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013960Y true CN201013960Y (en) | 2008-01-30 |
Family
ID=39025754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200112002U Expired - Fee Related CN201013960Y (en) | 2007-03-15 | 2007-03-15 | Low pressure high efficiency pulse valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013960Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816869B (en) * | 2010-01-25 | 2011-12-14 | 江苏新中环保股份有限公司 | Gas bag perforating pipe positioning structure in bag-type duster |
| CN101749297B (en) * | 2010-02-03 | 2012-05-23 | 北京理工大学 | High-speed large-flow pulse valve |
-
2007
- 2007-03-15 CN CNU2007200112002U patent/CN201013960Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816869B (en) * | 2010-01-25 | 2011-12-14 | 江苏新中环保股份有限公司 | Gas bag perforating pipe positioning structure in bag-type duster |
| CN101749297B (en) * | 2010-02-03 | 2012-05-23 | 北京理工大学 | High-speed large-flow pulse valve |
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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: 20080130 Termination date: 20120315 |