CN105689144A - Ash removing device for ash bucket of electrostatic dust collector - Google Patents
Ash removing device for ash bucket of electrostatic dust collector Download PDFInfo
- Publication number
- CN105689144A CN105689144A CN201610111372.0A CN201610111372A CN105689144A CN 105689144 A CN105689144 A CN 105689144A CN 201610111372 A CN201610111372 A CN 201610111372A CN 105689144 A CN105689144 A CN 105689144A
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- Prior art keywords
- bucket
- ash
- ash bucket
- neck
- headwall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
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- Electrostatic Separation (AREA)
Abstract
The invention provides an ash removing device for an ash bucket of an electrostatic dust collector. By adopting the ash removing device, local ash deposition can be avoided. The ash removing device comprises the ash bucket, an air injection mechanism and an air suction mechanism. The ash bucket comprises a bucket wall and a bucket neck. The air injection mechanism comprises an air injection pipe. The air suction mechanism comprises an air suction pipe. The air injection pipe is connected with the bucket wall. An included angle between a nozzle of the air injection pipe and the bucket wall is 45-60 degrees. A suction port of the air suction pipe communicates with an outlet of the bucket neck. The ash removing device has the beneficial effects that the air injection pipe is arranged on the bucket wall, and the included angle between the nozzle of the air injection pipe and the bucket wall is 45-60 degrees so that injected compressed air can be made to form a vortex to drive sticky ash on the bucket wall to descend; all the sticky ash on the bucket wall is taken away by the vortex, local ash deposition is avoided, and dust flying cannot be caused; and in the dust falling process, the radius of the vortex gradually decreases along with the radius of the ash bucket until dust is taken into the bucket neck, and a small amount of flying dust is sucked away through the air suction pipe at the outlet of the bucket neck without being discharged along with smoke.
Description
Technical field
The present invention relates to electrostatic dust collection equipment field, specifically a kind of electrostatic precipitator ash bucket deashing device。
Background technology
In prior art, electrostatic precipitation ash bucket is commonly installed bunker wall vibration device (as shown in Figure 1); by bulkhead is impacted; utilize resonance principle; prevent and get rid of " blocking ", " taking arch " phenomenon owing to the internal friction of ash material, deliquescence, the reason such as charged cause, it is ensured that ash material is discharged smoothly from ash Hatch Opening。
But in practice, it has been found that vibrator 18 is through life-time service, it is attached to headwall 1 and impacts, easily cause ash silo deformation, slight crack occurs or tears, the welding seam breaking of vibrator pedestal and headwall, and then cause vibrator burn-down of electric motor, impact produces, even accidents caused。
Owing to the adhesiveness of flue dust differs, flue dust adhesiveness is strong, is conducive to sticking on headwall, but needs bigger rapping power to remove；Adhesiveness is low, is conducive to rapping to remove, but easily causes reentrainment of dust。And, the reentrainment of dust caused because of rapping can discharge together along with flue gas, and electrostatic precipitation effect is had a greatly reduced quality。
The utility model patent that publication number is CN203437215U discloses a kind of electrostatic precipitator ash bucket jet deashing device, during use, by a total source of the gas of valve opening factory, compression gas is transported to from house steward the zinc-plated arm of ground floor and the zinc-plated arm of the second layer, then pass through the zinc-plated arm of ground floor to be transported in six shower nozzles of first group of shower nozzle and spray, wherein the dust stratification at four angles of the sub-ash bucket at self place is carried out emphasis removing by four shower nozzles, two other shower nozzle is for other easy dust stratification position deashings, and, owing to the height of the zinc-plated arm of the second layer is higher than the height of the zinc-plated arm of described ground floor, thus the dust stratification within the scope of differing heights is purged。In this device, the position of first group of shower nozzle and second group of shower nozzle is and arranges down, despite the provision of multiple shower nozzles, but the position also having unavoidably can not be directed onto, thus causing local dust stratification。Although avoiding the rapping mode destruction to ash bucket, but due to shower nozzle all down, the viscous ash of ash headwall produces reentrainment of dust under the impact of air-flow, and airborne dust affects dust removing effects with fume emission。And, all of 4 pipelines are arranged in ash bucket so that house steward and the dust stratification on arm cannot be removed, and time length easily increases the weight of pipe loadings, affect the normal use of pipeline。
Summary of the invention
The technical problem to be solved is: provide a kind of electrostatic precipitator ash bucket deashing device avoiding local dust stratification and reentrainment of dust situation。
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of electrostatic precipitator ash bucket deashing device, including ash bucket, jet mechanism and suction mechanism, described ash bucket includes headwall and bucket neck, described jet mechanism includes air jet pipe, described suction mechanism includes suction nozzle, and described air jet pipe is connected with headwall, and the nozzle direction of described air jet pipe becomes 45～60 degree with headwall；The air entry of described suction nozzle communicates with the outlet of bucket neck。
The beneficial effects of the present invention is: by arranging air jet pipe on headwall, the nozzle of air jet pipe becomes 45～60 degree of angles with headwall, the compression air that can make ejection forms vortex and drives the viscous ash on headwall to decline, on headwall, viscous ash everywhere is all taken away by vortex, it is not likely to produce airborne dust while avoiding local dust stratification, the radius of dust decline process mesoscale eddies is gradually reduced with ash bucket radius, until dust being brought in bucket neck, a small amount of airborne dust is siphoned away by the suction nozzle of the neck outlet that struggles against, and will not discharge together along with flue gas。
Accompanying drawing explanation
Fig. 1 is the structural representation of the electrostatic precipitator ash bucket deashing device of prior art。
Fig. 2 is the structural representation of embodiment of the present invention electrostatic precipitator ash bucket deashing device。
Label declaration:
1, headwall；2, bucket neck；31, nozzle；32, house steward；33, arm；4, air compressor；5, suction nozzle；6, work platforms；7, electric expansion joint；8, hand operated gate valve；9, cage set；10, alloyed steel elastic circle；11, cross centre frame；12, hanger；13, motor hoist；14, steel wire rope；15, fixed pulley；16, conduit；17, hand-operated lifting controller；18, vibrator。
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained。
The design of most critical of the present invention is in that: the nozzle of air jet pipe becomes 45～60 degree of angles with headwall, the compression air that can make ejection forms vortex and drives the viscous ash on headwall to decline, on headwall, viscous ash everywhere is all taken away by vortex, it is to avoid be not likely to produce airborne dust while the dust stratification of local。
Refer to Fig. 2, a kind of electrostatic precipitator ash bucket deashing device, including ash bucket, jet mechanism and suction mechanism, described ash bucket includes headwall 1 and bucket neck 2, described jet mechanism includes air jet pipe, described suction mechanism includes suction nozzle 5, and described air jet pipe is connected with headwall, and nozzle 31 direction of described air jet pipe becomes 45～60 degree with headwall；The air entry of described suction nozzle communicates with the outlet of bucket neck。
Known from the above, the beneficial effects of the present invention is: by arranging air jet pipe on headwall, the nozzle of air jet pipe becomes 45～60 degree of angles with headwall, the compression air that can make 0.4～0.6MPa of ejection forms vortex and drives the viscous ash on headwall to decline, on headwall, viscous ash everywhere is all taken away by vortex, it is not likely to produce airborne dust while avoiding local dust stratification, the radius of dust decline process mesoscale eddies is gradually reduced with ash bucket radius, until dust being brought in bucket neck, a small amount of airborne dust is siphoned away by the suction nozzle of the neck outlet that struggles against, and will not discharge together along with flue gas。
Further, described air jet pipe includes house steward 32 and plural arm 33, and described house steward is connected with arm, and described house steward is arranged on outside ash bucket, and described arm is extend in ash bucket by ash bucket outer wall, and the outlet of described arm is nozzle。
Seen from the above description, house steward is arranged on outside ash bucket, it is to avoid ash bucket interior conduit gather cause ash bucket drop on pipeline increases the weight of pipeline burden。
Further, the top of described bucket neck is provided with through hole, and described suction nozzle enters in bucket neck through described through hole, and the air entry of described suction nozzle is concordant with the outlet of bucket neck。
Seen from the above description, suction nozzle is stretched into by neck top of struggling against, until the air entry of suction nozzle is concordant with the outlet of bucket neck, the dust that the granule in bucket neck can be made less is siphoned away by suction nozzle, it is to avoid along with flue gas discharges together。
Further, described jet mechanism also includes air compressor 4, and air jet pipe one end is connected with headwall, and the air jet pipe other end is connected with air compressor。
Further, described suction mechanism also includes electrostatic precipitator, and suction nozzle one end is connected with bucket neck, and the suction nozzle other end is connected with electrostatic precipitator。
Seen from the above description, suction nozzle adopts above-mentioned connected mode, it is possible to improve the utilization rate of electrostatic precipitator。
Further, also including work platforms 6, described headwall is positioned at above work platforms, and described bucket neck is positioned at below work platforms。
Seen from the above description, owing in ash bucket, headwall, all on headwall, is arranged on above work platforms by the viscous ash of the overwhelming majority, bucket neck is arranged on below work platforms, can alleviate the burden of whole ash bucket, and the viscous ash on headwall can fall smoothly。
Further, also including electric expansion joint 7, described electric expansion joint is arranged on outside bucket neck, and the top (bottom of hand operated gate valve 8) that one end of described suction nozzle is saved from electric expansion is inserted in electric expansion joint。The insertion depth of described suction nozzle is the 60%-70% of the normal engineering length of electric expansion joint。Described suction nozzle has two, and the central shaft that two dust suction tracheas save with electric expansion is symmetrical for axis of symmetry。Described suction nozzle and the connecting line of electrostatic precipitator are provided with pressure-regulating valve。The cage set 9 that the body exterior of described electric expansion joint to be material be terylene pin felt is cotton, inner skeleton is the alloyed steel elastic circle 10 of layering, the set sewing of described cage is fixed on alloyed steel elastic circle and forms one with alloyed steel elastic circle can the single unit system of telescopic movable up and down, the foot of described cage set is a cross centre frame 11, and the geometric center of described cross centre frame is welded with a hanger 12。Also including motor hoist 13 (the about 750W of power, single hook block weighs more than 100 kilograms), described motor hoist realizes electric expansion is saved the control of the direction of motion by steel wire rope 14 and several fixing fixed pulleys 15 and conduit 16。
During work, bulk cement storage tank is arranged on above ash bucket, bucket neck is connected with the outlet of headwall, electric expansion joint is arranged on outside bucket neck, the junction of bucket neck and headwall is provided with hand operated gate valve, suction nozzle is connected with the import of electrostatic precipitator, such that it is able to adsorb the dust that the granule being originally likely to escape is little。Owing to being provided with electric expansion joint outside bucket neck, can according to the difference (ash tank car vehicle body height is different) of ash tank car self work loading height, manually lifting controller 17 regulates the length of electric expansion joint, freely control the height of lower ash, make outlet and the ash tank car charging aperture slitless connection of bucket neck as far as possible, reduce flour dust overflow。
Seen from the above description, electric expansion joint is installed outside ash discharging pipe, difference (ash tank car vehicle body height is different) according to ash tank car self work loading height, by regulating the length of electric expansion joint, freely control the height of lower ash, make outlet and the ash tank car charging aperture slitless connection of bucket neck as far as possible, reduce flour dust overflow。Suction nozzle is set in ash discharging pipe simultaneously, and suction nozzle is connected with the import of electrostatic precipitator, such that it is able to adsorb the dust that the granule being originally likely to escape is little, both without increasing cleaner, can effectively prevent dust from leaking again, while meeting production technology, avoid ash bucket surrounding generation dust pollution, and improve the utilization rate of electrostatic precipitator, there is the advantages such as simple in construction, with low cost, energy-saving and emission-reduction, good dustproof effect。
Refer to Fig. 2, embodiments of the invention are: a kind of electrostatic precipitator ash bucket deashing device, including ash bucket, jet mechanism and suction mechanism, described ash bucket includes headwall 1 and bucket neck 2, described jet mechanism includes air jet pipe, described suction mechanism includes suction nozzle 5, and described air jet pipe is connected with headwall, and nozzle 31 direction of described air jet pipe becomes 45～60 degree with headwall；The air entry of described suction nozzle communicates with the outlet of bucket neck。Described air jet pipe includes house steward 32 and plural arm 33, and described house steward is connected with arm, and described house steward is arranged on outside ash bucket, and described arm is extend in ash bucket by ash bucket outer wall, and the outlet of described arm is nozzle。The top of described bucket neck is provided with through hole, and described suction nozzle enters in bucket neck through described through hole, and the air entry of described suction nozzle is concordant with the outlet of bucket neck。Described jet mechanism also includes air compressor 4, and air jet pipe one end is connected with headwall, and the air jet pipe other end is connected with air compressor。Described suction mechanism also includes electrostatic precipitator, and suction nozzle one end is connected with bucket neck, and the suction nozzle other end is connected with electrostatic precipitator。Also including work platforms 6, described headwall is positioned at above work platforms, and described bucket neck is positioned at below work platforms。Also including electric expansion joint 7, described electric expansion joint is arranged on outside bucket neck, and the top (bottom of hand operated gate valve 8) that one end of described suction nozzle is saved from electric expansion is inserted in electric expansion joint。The insertion depth of described suction nozzle is the 60%-70% of the normal engineering length of electric expansion joint。Described suction nozzle has two, and the central shaft that two dust suction tracheas save with electric expansion is symmetrical for axis of symmetry。Described suction nozzle and the connecting line of electrostatic precipitator are provided with pressure-regulating valve。The cage set 9 that the body exterior of described electric expansion joint to be material be terylene pin felt is cotton, inner skeleton is the alloyed steel elastic circle 10 of layering, the set sewing of described cage is fixed on alloyed steel elastic circle and forms one with alloyed steel elastic circle can the single unit system of telescopic movable up and down, the foot of described cage set is a cross centre frame 11, and the geometric center of described cross centre frame is welded with a hanger 12。Also including motor hoist 13 (power is 750W, and single hook block weighs more than 100 kilograms), described motor hoist realizes electric expansion is saved the control of the direction of motion by steel wire rope 14 and several fixing fixed pulleys 15 and conduit 16。
In sum, having the beneficial effects that of electrostatic precipitator ash bucket deashing device provided by the invention: by arranging air jet pipe on headwall, the nozzle of air jet pipe becomes 45～60 degree of angles with headwall, the compression air that can make 0.4～0.6MPa of ejection forms vortex and drives the viscous ash on headwall to decline, on headwall, viscous ash everywhere is all taken away by vortex, it is not likely to produce airborne dust while avoiding local dust stratification, the radius of dust decline process mesoscale eddies is gradually reduced with ash bucket radius, until dust being brought in bucket neck, a small amount of airborne dust is siphoned away by the suction nozzle of the neck outlet that struggles against, will not discharge together along with flue gas；House steward is arranged on outside ash bucket, it is to avoid ash bucket interior conduit gather cause ash bucket drop on pipeline increases the weight of pipeline burden；Being arranged on by headwall above work platforms, bucket neck is arranged on below work platforms, can alleviate the burden of whole ash bucket, and the viscous ash on headwall can fall smoothly；Electric expansion joint, the difference according to ash tank car self work loading height are installed outside ash discharging pipe, by regulating the length of electric expansion joint, freely control the height of lower ash, make outlet and the ash tank car charging aperture slitless connection of bucket neck as far as possible, reduce flour dust overflow。Suction nozzle is set in ash discharging pipe simultaneously, and suction nozzle is connected with the import of electrostatic precipitator, such that it is able to adsorb the dust that the granule being originally likely to escape is little, both without increasing cleaner, can effectively prevent dust from leaking again, while meeting production technology, avoid ash bucket surrounding generation dust pollution, and improve the utilization rate of electrostatic precipitator, there is the advantages such as simple in construction, with low cost, energy-saving and emission-reduction, good dustproof effect。
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention and accompanying drawing content to make, or directly or indirectly it is used in relevant technical field, all in like manner include in the scope of patent protection of the present invention。
Claims (6)
1. an electrostatic precipitator ash bucket deashing device, it is characterized in that: include ash bucket, jet mechanism and suction mechanism, described ash bucket includes headwall and bucket neck, described jet mechanism includes air jet pipe, described suction mechanism includes suction nozzle, described air jet pipe is connected with headwall, and the nozzle direction of described air jet pipe becomes 45～60 degree with headwall；The air entry of described suction nozzle communicates with the outlet of bucket neck。
2. electrostatic precipitator ash bucket deashing device according to claim 1, it is characterized in that: described air jet pipe includes house steward and plural arm, described house steward is connected with arm, described house steward is arranged on outside ash bucket, described arm is extend in ash bucket by ash bucket outer wall, and the outlet of described arm is nozzle。
3. electrostatic precipitator ash bucket deashing device according to claim 1, it is characterised in that: the top of described bucket neck is provided with through hole, and described suction nozzle enters in bucket neck through described through hole, and the air entry of described suction nozzle is concordant with the outlet of bucket neck。
4. electrostatic precipitator ash bucket deashing device according to claim 1, it is characterised in that: described jet mechanism also includes air compressor, and air jet pipe one end is connected with headwall, and the air jet pipe other end is connected with air compressor。
5. electrostatic precipitator ash bucket deashing device according to claim 1, it is characterised in that: described suction mechanism also includes electrostatic precipitator, and suction nozzle one end is connected with bucket neck, and the suction nozzle other end is connected with electrostatic precipitator。
6. electrostatic precipitator ash bucket deashing device according to claim 1, it is characterised in that: also including work platforms, described headwall is positioned at above work platforms, and described bucket neck is positioned at below work platforms。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111372.0A CN105689144B (en) | 2016-02-29 | 2016-02-29 | A kind of electrostatic precipitator ash bucket deashing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610111372.0A CN105689144B (en) | 2016-02-29 | 2016-02-29 | A kind of electrostatic precipitator ash bucket deashing device |
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| CN105689144A true CN105689144A (en) | 2016-06-22 |
| CN105689144B CN105689144B (en) | 2017-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082891A (en) * | 2021-04-13 | 2021-07-09 | 任福炳 | Energy-saving air separation plant compression system self-cleaning filter |
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| CN102836600A (en) * | 2012-09-04 | 2012-12-26 | 云南智奇工程技术有限公司 | High-pressure remote dust and ash remover |
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| CN203437215U (en) * | 2013-07-30 | 2014-02-19 | 河南华润电力古城有限公司 | Air injection type deashing device for ash hopper of electrostatic dust collector |
| CN204122254U (en) * | 2014-08-12 | 2015-01-28 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | The electrostatic precipitation cinerary device improved |
| CN102962138B (en) * | 2012-11-20 | 2015-09-09 | 天脊煤化工集团股份有限公司 | The defeated ash silo of process electrostatic precipitation blocks up method and the device of ash |
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2016
- 2016-02-29 CN CN201610111372.0A patent/CN105689144B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011212509A (en) * | 2010-03-31 | 2011-10-27 | Chugoku Electric Power Co Inc:The | Dust collector |
| CN102423727B (en) * | 2011-11-21 | 2014-02-05 | 济钢集团有限公司 | Sintering machine head dust removing and ash conveying device and use method thereof |
| CN202343327U (en) * | 2011-12-12 | 2012-07-25 | 青岛威特水煤浆技术开发有限公司 | Electrostatic precipitator dust fall system |
| CN202377101U (en) * | 2011-12-29 | 2012-08-15 | 中国铝业股份有限公司 | Electric dust collector |
| CN202605921U (en) * | 2012-05-11 | 2012-12-19 | 武汉钢铁(集团)公司 | Dust-blowing device for ash hopper of dust-removing device |
| CN102836600A (en) * | 2012-09-04 | 2012-12-26 | 云南智奇工程技术有限公司 | High-pressure remote dust and ash remover |
| CN102962138B (en) * | 2012-11-20 | 2015-09-09 | 天脊煤化工集团股份有限公司 | The defeated ash silo of process electrostatic precipitation blocks up method and the device of ash |
| CN203437215U (en) * | 2013-07-30 | 2014-02-19 | 河南华润电力古城有限公司 | Air injection type deashing device for ash hopper of electrostatic dust collector |
| CN204122254U (en) * | 2014-08-12 | 2015-01-28 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | The electrostatic precipitation cinerary device improved |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082891A (en) * | 2021-04-13 | 2021-07-09 | 任福炳 | Energy-saving air separation plant compression system self-cleaning filter |
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