CN201308795Y - Pulse blowing valve - Google Patents
Pulse blowing valve Download PDFInfo
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- CN201308795Y CN201308795Y CNU2008201993064U CN200820199306U CN201308795Y CN 201308795 Y CN201308795 Y CN 201308795Y CN U2008201993064 U CNU2008201993064 U CN U2008201993064U CN 200820199306 U CN200820199306 U CN 200820199306U CN 201308795 Y CN201308795 Y CN 201308795Y
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Abstract
The utility model relates to a pulse blowing valve, which comprises three stages of valve bodies connected in series. The first-stage valve body comprises a first-stage valve housing, a first-stage valve cap and a first-stage diaphragm, wherein, the first-stage diaphragm is blocked between an air inlet channel and an air outlet channel of the first-stage valve body; the two-stage valve body comprises a two-stage valve housing, a two-stage valve cap and a two-stage diaphragm, wherein, a two-stage balancing hole is formed on the two-stage valve housing; and the three-stage valve body comprises a three-stage valve housing, a three-stage valve cap and a three-stage diaphragm, wherein, a three-stage balancing hole is formed on the three-stage valve housing, damping holes are respectively formed on the first-stage diaphragm, the two-stage diaphragm and the three-stage diaphragm, the pressures in the three pairs of the air cavities of the three valve bodies are equal through the damping holes, an air outlet hole is formed on the three-stage valve cap, and a guide head of a solenoid valve is blocked at the air outlet hole. The utility model can realize the ultra-low pressure blowing, and has the advantages of sensitive actions, large blowing air flow and large valid ash removal area.
Description
Technical field
The utility model belongs to the pulse bag-type dust-removing apparatus field, particularly a kind of pulse blowing valve that uses under low bleed pressure condition.
Background technology
The pulse dust cleaning system is the core of pulse bag type dust collector, general through type pulse blowing valve decreases the little jetting pressure that makes because of its resistance and reduces to below the 0.3Mpa, generally between 0.15～0.3Mpa, belong to the action of low-voltage pulse winding-up, its deashing ability and winding-up effect are better.The specification maximum that general in the market pulse valve is common be no more than 12 cun, it mainly has the following disadvantages:
1, the gas output of blowing valve is little, and the filter bag ash removal area of being born is less relatively, and along with the sack cleaner scale increases day by day, the disposal ability of individual pulse valve is not enough, and deashing is thorough inadequately;
2, the reaction time is long, sensitive inadequately;
3, about jetting pressure 0.15～0.3Mpa, need jet with compressed air, so cost is higher.
The utility model content
The action of low-voltage pulse blowing valve that the purpose of this utility model provides and a kind ofly is quick on the draw, gas output is big, cleaning efficiency is high.
The technical scheme that the utility model adopted is: a kind of pulse blowing valve, and it is made up of three grades of valve bodies that mutual series connection is provided with, and described one-level valve body comprises:
Be fixedly connected on the one-level valve body on the gas bag of pulse blowing valve, the one-level valve gap, the one-level spring that is arranged on the first diaphragm between described one-level valve gap and the described gas bag and links with described first diaphragm, described first diaphragm is separated into described one-level valve body, following two chambers, surround one-level upper chamber between described first diaphragm and the described one-level valve gap, surround the one-level lower chambers between the inlet channel of described first diaphragm and gas bag, and described first diaphragm flexibly shutoff offers the one-level damping hole that described one-level upper chamber is connected with described one-level lower chambers on the described first diaphragm on the exhaust passage of described gas bag;
Described secondary valve body comprises: the secondary valve body, the secondary valve gap, secondary diaphragm between described secondary valve body and secondary valve gap, two-level spring, described secondary diaphragm is divided into described secondary valve status, following two chambers, surround secondary upper chamber between described secondary diaphragm and the secondary valve gap, form the secondary lower chambers between described secondary diaphragm and the secondary valve body, described secondary lower chambers is connected with described one-level upper chamber, offer the secondary damping hole that described secondary upper chamber is connected with described secondary lower chambers on the described secondary diaphragm, also offer the two-stage unloading hole that communicates with atmosphere on the described secondary valve body, described secondary diaphragm flexibly shutoff between described secondary upper chamber and described two-stage unloading hole;
Described three grades of valve bodies comprise: three grades of valve bodies, three grades of valve gaps, three grades of diaphragms between described three grades of valve bodies and three grades of valve gaps, three grades of springs, described three grades of diaphragms are divided into described three step valve status, following two chambers, surround three grades of upper chamber between described three grades of diaphragms and the described three grades of valve gaps, form three grades of lower chambers between described three grades of diaphragms and the described three grades of valve bodies, described three grades of lower chambers are connected with secondary upper chamber, offer the three-stage damping hole that described three grades of upper chamber are connected with described three grades of lower chambers on described three grades of diaphragms, offer three grades of unloading holes on described three grades of valve bodies, flexibly shutoff is on described three grades of unloading holes for described three grades of diaphragms, and described three step valves cover and offer venthole;
Described pulse blowing valve comprises also with described three grades of valve gaps and fixes the magnetic valve of setting and the pilot head that moves relative to described magnetic valve that described pilot head gets lodged between described three grades of upper chamber and the described venthole.
The utility model has the advantages that: the utility model is owing to adopted the structure of three grades of valve bodies, and three grades of valve bodies have the drain charge hole separately and can discharge air-flow rapidly, so its reaction is very fast, just can open valve 0.12～0.13 second time, and are highly sensitive; In addition, the utility model can significantly improve the winding-up amount of pulse valve, improves the acting ability of magnetic valve, reduces the jetting pressure of pulse blowing valve, therefore supply gas pressure can use the Roots blower air feed less than 0.1Mpa, and equipment is cheap, management is simple, and economical operation is easy to use.
Description of drawings
Accompanying drawing 1 is the schematic diagram of the utility model when being connected with gas bag;
Accompanying drawing 2 is a cutaway view of the present utility model;
Accompanying drawing 3 is the zoomed-in view of secondary valve body and three grades of valve bodies;
Wherein: 11, one-level valve body; 12, first diaphragm; 121, one-level damping hole; 13, one-level valve gap; 14, one-level spring; 15, one-level upper chamber; 16, one-level lower chambers;
21, groove; 211, two-stage unloading hole; 22, secondary diaphragm; 221, secondary damping hole; 23, secondary valve gap; 24, two-level spring; 25, connection tube; 26, secondary upper chamber; 27, secondary lower chambers;
31, three grades of valve seats; 311, three grades of unloading holes; 32, three grades of diaphragms; 321, three-stage damping hole; 33, three grades of valve gaps; 34, three grades of springs; 35, venthole; 36, three grades of upper chamber; 37, three grades of lower chambers;
4, magnetic valve; 41, pilot head;
5, gas bag; 51, inlet channel; 52, exhaust passage.
The specific embodiment
Referring to accompanying drawing 1 to shown in the accompanying drawing 3, a kind of pulse blowing valve, it is made up of three grades of valve bodies that mutual series connection is provided with,
Described one-level valve body comprises: be fixedly connected on the one-level valve body 11 on the gas bag 5 of pulse blowing valve, one-level valve gap 13, the one-level spring 14 that is arranged on the first diaphragm 12 between described one-level valve gap 13 and the described gas bag 5 and links with described first diaphragm 12, described first diaphragm 12 is separated into described one-level valve body, following two chambers, surround one-level upper chamber 15 between described first diaphragm 12 and the described one-level valve gap 13, surround one-level lower chambers 16 between the inlet channel 51 of described first diaphragm 12 and gas bag 5, and described first diaphragm 12 by one-level spring 14 flexibly shutoff on the exhaust passage 52 of described gas bag 5, offer the one-level damping hole 121 that described one-level upper chamber 15 is connected with described one-level lower chambers 16 on the described first diaphragm 12;
Described secondary valve body comprises: the secondary valve body, secondary valve gap 23, secondary diaphragm 22 between described secondary valve body and secondary valve gap 23, two-level spring 24, described secondary diaphragm 22 is divided into described secondary valve status, following two chambers, surround secondary upper chamber 26 between described secondary diaphragm 2 and the secondary valve gap 23, form secondary lower chambers 27 between described secondary diaphragm 22 and the secondary valve body, described secondary lower chambers 27 is connected with described one-level upper chamber 15, offer the secondary damping hole 221 that described secondary upper chamber 26 is connected with described secondary lower chambers 27 on the described secondary diaphragm 22, also offer the two-stage unloading hole 211 that communicates with atmosphere on the described secondary valve body, described secondary diaphragm 22 flexibly shutoff between described secondary upper chamber 26 and described two-stage unloading hole 211;
Described three grades of valve bodies comprise: three grades of valve bodies 31, three grades of valve gaps 33, three grades of diaphragms 32 between described three grades of valve bodies 31 and three grades of valve gaps 33, three grades of springs 34, described three grades of diaphragms 32 are divided into described three step valve status, following two chambers, surround three grades of upper chamber 36 between described three grades of diaphragms 32 and the described three grades of valve gaps 33, form three grades of lower chambers 37 between described three grades of diaphragms 32 and the described three grades of valve bodies 31, described three grades of lower chambers 37 are connected with secondary upper chamber 26, offer the three-stage damping hole 321 that described three grades of upper chamber 36 are connected with described three grades of lower chambers 37 on described three grades of diaphragms 34, offer three grades of unloading holes 311 on described three grades of valve bodies 31, described three grades of diaphragms 32 flexibly shutoff offer venthole 35 on described three grades of valve gaps 33 on described three grades of unloading holes 311;
Described pulse blowing valve comprises also with described three grades of valve gaps 33 and fixes the magnetic valve 4 of setting and the pilot head 41 that moves relative to described magnetic valve 4 that described pilot head 41 gets lodged in described venthole 35 places.
Operation principle of the present utility model is as follows: pulse blowing valve is in normally off following time, by one-level damping hole 121, secondary damping hole 221 and three-stage damping hole 321, make the inlet channel 51 of gas bag 5, one-level lower chambers 16, one-level upper chamber 15, secondary lower chambers 27, secondary upper chamber 26, three grades of lower chambers 37, three grades of upper chamber's 36 interior gases are connected, pressure in each air cavity equates, simultaneously, at one-level spring 14, two-level spring 24, under the effect of three grades of springs 34, make between the exhaust passage 52 of gas bag 5 and one-level upper chamber 15 and the inlet channel 51 and be isolated, secondary upper chamber 26, isolated between secondary lower chambers 27 and the secondary drain charge hole 211, three grades of upper chamber 36, completely cut off between three grades of lower chambers 37 and three grades of drain charge holes 311; When magnetic valve 4 controlled, when pilot head 41 is moved, venthole 35 is connected with three grades of upper chamber 36, air pressure in three grades of upper chamber 36 is reduced, under the effect of draught head, three grades of diaphragm 32 liftings are also left the oral area in three grades of drain charge holes 311, thereby the gas in three grades of lower chambers 37 and the secondary upper chamber 26 is discharged rapidly by three grades of drain charge holes 311, because secondary upper chamber 26 internal gas pressures reduce, secondary diaphragm 22 liftings under gas pressure, thereby the gas in secondary lower chambers 27 and the one-level upper chamber 15 is discharged rapidly by two-stage unloading hole 211, after air pressure in the one-level upper chamber 15 reduced, the pressure of inlet channel 51 was greater than the pressure of one-level upper chamber 15, thereby made first diaphragm 12 liftings, make inlet channel 51 and exhaust passage 52 conductings, and then finish once winding-up.
After the control signal on the magnetic valve 4 disappears, pilot head 41 is returned to rapidly on the position of sealing venthole 35, three grades of upper chamber's 36 interior Compressed Gas increase sharply, cavity pressure increases rapidly, under action of pressure, three grades of diaphragms 32 move down and block three grades of drain charge holes 311, the pressure of following in three grades of lower chambers 37 and the secondary upper chamber 26 increase rapidly, secondary diaphragm 22 falls to sealing secondary drain charge hole 211, gas pressure in secondary lower chambers 27 and the one-level upper chamber 15 increases rapidly immediately, and under action of pressure, first diaphragm 12 falls rapidly and seals exhaust passage 52 again, winding-up stops, and finishes a winding-up process.
As shown in the figure, the top of described one-level valve gap 13 along the circumferential direction offers the groove 21 of annular, the top of described one-level valve gap 13 and the described secondary valve body of described groove 21 common compositions, that is to say that secondary valve body and described one-level valve gap 13 are one-body molded, can be easy to obtain by modes such as castings.
In general, the area of described one-level damping hole 121 is 1/1000～4/1000 with the ratio of the area of first diaphragm 12, the area of described secondary damping hole 221 is 2/10000～8/10000 with the ratio of the area of secondary diaphragm 22, and the area in described three-stage damping hole 321 is 0.5/10000～2/10000 with the ratio of the area of three grades of diaphragms 32.In most preferred embodiment of the present utility model, the area of described one-level damping hole 121 is 2/1000 with the ratio of the area of first diaphragm 12, the area of described secondary damping hole 221 is 4/10000 with the ratio of the area of secondary diaphragm 22, and the area in described three-stage damping hole 321 is 1/10000 with the ratio of the area of three grades of diaphragms 32.
The caliber of the exhaust passage 52 described in the utility model more than or equal to 10 inches smaller or equal to 16 inches, in most preferred embodiment of the present utility model, the caliber of exhaust passage 52 is 12 inches or 14 inches.Particularly, be example with 12 cun pulse blowing valves, be 1.3 cubic metres at the gas bag volume, pulse width experimentizes under 0.15～0.3 second condition, and experimental result shows that 12 cun pulses of the present utility model are as follows towards the performance indications of blowing valve:
Jetting pressure: 0.08MPa～0.09MPa can use compressed air or Roots blower air feed, is not subjected to pipe network to use the influence of gas simultaneously, and it is stable, reliable, equipment economy, cheap, and management is simple, and is easy to use;
Winding-up amount: 2180～2563.7 liters/valve * time;
Pressure peak: 58.08～68.64KPa;
The valve open time: 38～42 milliseconds;
The winding-up time: 122～136 milliseconds;
The utility model is compared with existing pulse blowing valve, and the diaphragm opening time is fast, and the pressure peak height is quick-fried It is big to have an effect, and the winding-up amount is big. In addition, winding-up time and the jetting pressure of pulse blowing valve of the present utility model exist (constancy of volume, minimum pulse winding-up during constant pressure when pulse width reaches winding-up minimum requirements pulse width Go out all gas) can not change along with the increase of pulse width.
Claims (10)
1, a kind of pulse blowing valve is characterized in that: it is made up of three grades of valve bodies that mutual series connection is provided with,
Described one-level valve body comprises: be fixedly connected on the one-level valve body (11) on the gas bag (5) of pulse blowing valve, one-level valve gap (13), the one-level spring (14) that is arranged on the first diaphragm (12) between described one-level valve gap (13) and the described gas bag (5) and links with described first diaphragm (12), described first diaphragm (12) is separated into described one-level valve body, following two chambers, surround one-level upper chamber (15) between described first diaphragm (12) and the described one-level valve gap (13), surround one-level lower chambers (16) between the inlet channel (51) of described first diaphragm (12) and gas bag (5), and described first diaphragm (12) flexibly shutoff offers the one-level damping hole (121) that described one-level upper chamber (15) is connected with described one-level lower chambers (16) on the described first diaphragm (12) on the exhaust passage (52) of described gas bag (5);
Described secondary valve body comprises: the secondary valve body, secondary valve gap (23), be positioned at the secondary diaphragm (22) between described secondary valve body and the secondary valve gap (23), two-level spring (24), described secondary diaphragm (22) is divided into described secondary valve status, following two chambers, surround secondary upper chamber (26) between described secondary diaphragm (2) and the secondary valve gap (23), form secondary lower chambers (27) between described secondary diaphragm (22) and the secondary valve body, described secondary lower chambers (27) is connected with described one-level upper chamber (15), offer the secondary damping hole (221) that described secondary upper chamber (26) is connected with described secondary lower chambers (27) on the described secondary diaphragm (22), also offer the two-stage unloading hole (211) that communicates with atmosphere on the described secondary valve body, described secondary diaphragm (22) flexibly shutoff between described secondary upper chamber (26) and described two-stage unloading hole (211);
Described three grades of valve bodies comprise: three grades of valve bodies (31), three grades of valve gaps (33), be positioned at the three grades of diaphragms (32) between described three grades of valve bodies (31) and the three grades of valve gaps (33), three grades of springs (34), described three grades of diaphragms (32) are divided into described three step valve status, following two chambers, surround three grades of upper chamber (36) between described three grades of diaphragms (32) and the described three grades of valve gaps (33), form three grades of lower chambers (37) between described three grades of diaphragms (32) and the described three grades of valve bodies (31), described three grades of lower chambers (37) are connected with secondary upper chamber (26), offer the three-stage damping hole (321) that described three grades of upper chamber (36) are connected with described three grades of lower chambers (37) on described three grades of diaphragms (34), offer three grades of unloading holes (311) on described three grades of valve bodies (31), described three grades of diaphragms (32) flexibly shutoff offer venthole (35) on described three grades of valve gaps (33) on described three grades of unloading holes (311);
Described pulse blowing valve comprises also with described three grades of valve gaps (33) and fixes the magnetic valve (4) of setting and the pilot head (41) that moves relative to described magnetic valve (4) that described pilot head (41) gets lodged between described three grades of upper chamber (36) and the described venthole (35).
2, pulse blowing valve according to claim 1 is characterized in that: the ratio of the area of the area of described one-level damping hole (121) and first diaphragm (12) is 1/1000～4/1000.
3, pulse blowing valve according to claim 2 is characterized in that: the ratio of the area of the area of described one-level damping hole (121) and first diaphragm (12) is 2/1000.
4, pulse blowing valve according to claim 1 is characterized in that: the ratio of the area of the area of described secondary damping hole (221) and secondary diaphragm (22) is 2/10000～8/10000.
5, pulse blowing valve according to claim 4 is characterized in that: the ratio of the area of the area of described secondary damping hole (221) and secondary diaphragm (22) is 4/10000.
6, pulse blowing valve according to claim 1 is characterized in that: the ratio of the area of the area in described three-stage damping hole (321) and three grades of diaphragms (32) is 0.5/10000～2/10000.
7, pulse blowing valve according to claim 6 is characterized in that: the ratio of the area of the area in described three-stage damping hole (321) and three grades of diaphragms (32) is 1/10000.
8, pulse blowing valve according to claim 1, it is characterized in that: the top of described one-level valve gap (13) along the circumferential direction offers the groove (21) of annular, and the top of described one-level valve gap (13) and described groove (21) are formed described secondary valve body jointly.
9, pulse blowing valve according to claim 1 is characterized in that: the caliber of described exhaust passage (52) more than or equal to 10 inches smaller or equal to 16 inches.
10, pulse blowing valve according to claim 9 is characterized in that: the caliber of described exhaust passage (52) equals 12 inches or 14 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201993064U CN201308795Y (en) | 2008-11-27 | 2008-11-27 | Pulse blowing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201993064U CN201308795Y (en) | 2008-11-27 | 2008-11-27 | Pulse blowing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201308795Y true CN201308795Y (en) | 2009-09-16 |
Family
ID=41106046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201993064U Expired - Fee Related CN201308795Y (en) | 2008-11-27 | 2008-11-27 | Pulse blowing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201308795Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455924B (en) * | 2008-11-27 | 2011-01-12 | 苏州工业园区协昌环保科技有限公司 | Ultra low voltae large caliber pulse blowing valve |
| CN103574092A (en) * | 2013-10-31 | 2014-02-12 | 成都易态科技有限公司 | Pulse valve |
| CN103644322A (en) * | 2013-11-30 | 2014-03-19 | 成都易态科技有限公司 | Pulse valve device |
| CN103644322B (en) * | 2013-11-30 | 2016-11-30 | 成都易态科技有限公司 | Pulse valve device |
-
2008
- 2008-11-27 CN CNU2008201993064U patent/CN201308795Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455924B (en) * | 2008-11-27 | 2011-01-12 | 苏州工业园区协昌环保科技有限公司 | Ultra low voltae large caliber pulse blowing valve |
| CN103574092A (en) * | 2013-10-31 | 2014-02-12 | 成都易态科技有限公司 | Pulse valve |
| CN103574092B (en) * | 2013-10-31 | 2016-05-18 | 成都易态科技有限公司 | Pulse valve |
| CN103644322A (en) * | 2013-11-30 | 2014-03-19 | 成都易态科技有限公司 | Pulse valve device |
| CN103644322B (en) * | 2013-11-30 | 2016-11-30 | 成都易态科技有限公司 | Pulse valve device |
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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: 20090916 Termination date: 20101127 |