CN201949752U - Compressed air nozzle of air-box pulse-bag dust collector - Google Patents
Compressed air nozzle of air-box pulse-bag dust collector Download PDFInfo
- Publication number
- CN201949752U CN201949752U CN201120017190XU CN201120017190U CN201949752U CN 201949752 U CN201949752 U CN 201949752U CN 201120017190X U CN201120017190X U CN 201120017190XU CN 201120017190 U CN201120017190 U CN 201120017190U CN 201949752 U CN201949752 U CN 201949752U
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- compressed air
- bag
- dust collector
- spout
- nozzle
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Abstract
The utility model discloses a compressed air nozzle of an air-box pulse-bag dust collector, which comprises a dust collector box body, a pattern plate, a flow guiding plate, a nozzle and a poppet valve, wherein a tapered ash bucket is arranged at the lower end of the dust collector box body. The compressed air nozzle is characterized in that the upper end of the spout, which extends into the box body, of the nozzle adopts a bevel groove, so as to ensure that sprayed air current does not wash out a filtering bag directly. The compressed air nozzle is used for avoiding the phenomenon that the spout inclines and therefore impacts and damages the upper opening of the filtering bag, the method is simple, the workload is small, and the dust cleaning performance can not be influenced.
Description
Technical field
The utility model relates to a kind of compressed air shower nozzle that is used for plenum pulse cloth bag collector.
Background technology
Plenum pulse cloth bag collector is a kind of efficient bag filter.The advantage of dust-precipitators such as its collection chamber-dividing counter-blowing and winding-up pulse, kinetic energy insufficient strength and winding-up pulse dust cleaning filter the shortcoming of carrying out simultaneously when having overcome chamber-dividing counter-blowing, adopt the chamber off-line deashing, can not cause reentrainment of dust, ash-removal effect is good, equipment resistance is little, energy consumption is low, and valve and life of bag filter are long, overhaul and change the bag at the top clean side carry out, there are not other annexes, filter bag is easy to loading and unloading, thereby has strengthened use adaptability, has improved dust-collecting efficiency, prolong life of bag filter, can be used as disintegrating machine, dryer, the coal mill, raw mill, grate cooler, cement grinding mill, the dust collection device at the packing machine and the end, top, each storehouse.Overhaul of the equipments, safeguard all quite easyly, electromagnetic impulse valve quantity is every chamber 1-2.At present, the bag collector of this form has obtained promoting rapidly in industries such as cement, chemical industry by wide selection.
In actual motion, plenum pulse cloth bag collector owing to horizontal spout owing to make, reason such as top cover distortion causes spout to tilt in the installation and operation process, the jet when causing deashing is directly injected to the suitable for reading of filter bag, operation causes the damage of filter bag for a long time.After filter bag breakage suitable for reading generally occurring, modal method is that the distance that winding-up mouthful and card are improved in the back is severed in the junction of winding-up pipe, and the angle of correcting its inclination; But workload is big on the one hand, easily causes the distortion of top cover; After causing the change of the whole high H in supply air line center on the other hand, cause the change of other case chamber gas circuit; Perhaps adopting increases the baffle device before spout, but can lose the kinetic energy of deashing, has reduced the deashing dynamics; As 2010 the 10th phases of " cement " magazine introduce article " prevent plenum pulse cloth bag deduster sack from damaging transformation ", adopt the mode of baffle to avoid the damage of upper bag mouth exactly.
The utility model content
The utility model provides a kind of compressed air shower nozzle that is used for plenum pulse cloth bag collector that can avoid above-mentioned filter bag to damage phenomenon.
The utility model technical solution problem adopts following technical scheme:
The compressed air shower nozzle that is used for plenum pulse cloth bag collector comprises casing, card, deflector, shower nozzle, the lift valve of dust-precipitator, and the lower end of described dust-precipitator casing is the taper ash bucket, and the shower nozzle spout upper end of stretching into box house is the slope mouth.
The improved plenum pulse cloth bag collector of described spout, the angle of described slope mouth and horizontal plane are 15 ~ 30 °.Make the air-flow of injection directly not wash away filter bag.
The improved plenum pulse cloth bag collector of described spout, described slope mouth is towards box top.
Plenum pulse cloth bag collector is to occurring the case chamber of upper bag mouth breakage, utilize cutting implement that spout is cut certain angle, the angle [alpha] size is determined according to winding-up pipe inclined degree, is generally 15 ~ 30 °, to the equipment of new production, dispatching from the factory just is defined as 15 ° with the spout corner cut.
Compared with the prior art, the utility model beneficial effect is embodied in:
After filter bag 3 breakages suitable for reading generally occurring, modal method is that the distance that winding-up mouthful and card 4 are improved in the back is severed in the junction of winding-up pipe, and the angle of correcting its inclination; But workload is big on the one hand, easily causes the distortion of top cover 7; After causing the change of the whole high H in supply air line center on the other hand, cause the change of other case chamber gas circuit; Perhaps adopting increases the baffle device before spout, but can lose the kinetic energy of deashing, has reduced the deashing dynamics; As 2010 the 10th phases of " cement " magazine introduce article " prevent plenum pulse cloth bag deduster sack from damaging transformation ", adopt the mode of baffle to avoid the damage of upper bag mouth exactly.
The utility model is damaged or avoid its appearance to filter bag impact suitable for reading at the inclination of spout, and method is simple, and workload is little, does not influence deashing property.
Description of drawings
Fig. 1: be former gas tank impulse bag dust-precipitator fundamental diagram;
Fig. 2: be former pulse valve deashing schematic diagram;
Fig. 3: for improving rear jet deashing fundamental diagram.
Number in the figure: 1. 2. bags of chambers of ash bucket, 3. filter bags, 4. cards, 5. casing top air-purifying chambers, 6. horizontal spout 7. top covers 8. lift valves 9. deflectors 10. are with corner cut α spouts 11. air outlets
12. Purge gas 13. dusty gases 14. air inlets.
The specific embodiment
Referring to accompanying drawing, ash-laden gas enters dust-precipitator by air inlet, diversed plate 9 water conservancy diversion of dusty gas enter ash bucket 1, the thick grit of a part is here owing to reasons such as inertial collision, natural subsidence fall into ash bucket 1, and most of grit rises with air-flow and enters bag chamber 2, after filter bag 3 filters, grit is delayed at the filter bag outside, the flue gas that purifies enters casing top air-purifying chamber 5 by filter bag inside, enters upper flue to chimney by the poppet valve plate hole again and enters atmosphere, reaches the purpose of gathering dust; When a bag chamber of dust-precipitator enters the deashing state, at first this chamber promotes under 8 valve plates general who has surrendered's poppet valve plate hole and closes, filter flue gas stream to cut off, stop filter process, the electromagnetic pulse valve is opened then, in casing, spray into compressed air by spout 6 with the extremely short time, compressed air expands rapidly in casing, pour in filter bag 3 inside, make the distortion of filter bag 3 outputs, vibration, add the effect of superinverse air-flow, the dust of bag outdoor just is eliminated and gets off to fall into ash bucket, after deashing finishes, the lift valve valve plate is mentioned, open once more in the valve plate hole, dust-precipitator enters the filtration state again, in actual motion, horizontal spout is owing to make, reason such as top cover 7 distortion causes spout 6 to tilt in the installation and operation process, jet when causing deashing is directly injected to the suitable for reading of filter bag, operation causes the damage of filter bag 3 for a long time, to occurring the case chamber of upper bag mouth breakage, utilize cutting implement that spout is cut certain angle, the angle [alpha] size is determined according to winding-up pipe inclined degree, general α=15 ~ 30 ° makes the air-flow of injection directly not wash away filter bag; To the equipment of new production, dispatch from the factory and just the spout corner cut is defined as α=15 °.
Claims (3)
1. compressed air shower nozzle that is used for plenum pulse cloth bag collector, comprise dust-precipitator, described dust-precipitator comprises casing, card, deflector, shower nozzle, lift valve, and the lower end of described dust-precipitator casing is the taper ash bucket, it is characterized in that: the shower nozzle spout upper end of stretching into box house is the slope mouth.
2. the compressed air shower nozzle that is used for plenum pulse cloth bag collector according to claim 1 is characterized in that: the angle of described slope mouth and horizontal plane is 15 ~ 30 °.
3. the compressed air shower nozzle that is used for plenum pulse cloth bag collector according to claim 1 is characterized in that: described slope mouth is towards box top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120017190XU CN201949752U (en) | 2011-01-19 | 2011-01-19 | Compressed air nozzle of air-box pulse-bag dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120017190XU CN201949752U (en) | 2011-01-19 | 2011-01-19 | Compressed air nozzle of air-box pulse-bag dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201949752U true CN201949752U (en) | 2011-08-31 |
Family
ID=44493881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120017190XU Expired - Fee Related CN201949752U (en) | 2011-01-19 | 2011-01-19 | Compressed air nozzle of air-box pulse-bag dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201949752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823604A (en) * | 2017-04-06 | 2017-06-13 | 齐东 | The ash-clearing structure and sack cleaner of sack cleaner |
-
2011
- 2011-01-19 CN CN201120017190XU patent/CN201949752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823604A (en) * | 2017-04-06 | 2017-06-13 | 齐东 | The ash-clearing structure and sack cleaner of sack cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20150119 |
|
| EXPY | Termination of patent right or utility model |