CN105536415B - Dust collecting for explosion hazard area - Google Patents
Dust collecting for explosion hazard area Download PDFInfo
- Publication number
- CN105536415B CN105536415B CN201610070259.2A CN201610070259A CN105536415B CN 105536415 B CN105536415 B CN 105536415B CN 201610070259 A CN201610070259 A CN 201610070259A CN 105536415 B CN105536415 B CN 105536415B
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- Prior art keywords
- dust
- explosion
- bucket
- filtering
- proof motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a kind of dust collecting for explosion hazard area, including the guiding tube that gathers dust, dust-filtering bucket, blast pipe, dust explosion-proof motor and the discharge pipe being sequentially connected, antistatic filter cylinder and funnel-form airflow-distribution board are provided with the dust-filtering bucket, it is dust collection bucket below the dust-filtering bucket, the dust explosion-proof motor is arranged in a casing and is connected with dust explosion protection electric control box, and dust-filtering net is provided between the blast pipe and the dust explosion-proof motor.It is reasonable in design, topology layout is extremely compact, it is small volume, conveniently moving, simple in construction, safe and reliable, it can effectively avoid producing unsafe factor during dust collection, improve the security reliability of inflammable and explosive property dust collection process, to explosive dust place, there may be effectively evaded and protected situations such as spark, electric arc, hot surface and friction spark, prevent to light the possibility of explosive atmosphere, it is ensured that the safety of safe and reliable production and people's lives and properties.
Description
Technical field
The invention belongs to explosion-proof technical field of dust removal equipment, more particularly to a kind of dust collection for explosion hazard area
Device.
Background technology
The especially big dust explosion accident in the Kunshan on the 2nd of August in 2014, the same day cause 75 people death, 185 people injured, direct economy
Lose 3.51 hundred million yuan.By investigation, the immediate cause aluminum dust of accident gathers, caused high-temperature particle shape in production process of polishing
Into dust cloud, reach the ignition temperature of dust cloud, trigger the multiburst in dust pelletizing system and workshop, high-temperature gas caused by blast
Sprayed with comburant moment removing dust pipeline from each suction port, cause all station manipulation personnel in full workshop directly to be rushed by blast
Hit, cause the dead group's wound of group.The alarm bell of safety in production is beaten to us again.
With inflammable and explosive property dust(Such as flour, aluminium powder, magnesium powder)Explosion hazard area, it will usually have a large amount of
Floating or sedimentating dust, when these dust reach certain concentration, run into spark or dangerous high temperature, will be ignited, from
And trigger the perils such as blast, it is easy to cause the massive losses of the person and property.Therefore, the dust in above-mentioned place is received safely
Collection is most important with reliably isolating, and not only in the timely dust collected and cleared up and easily cause danger, and is collecting cleaning
During, also effectively to avoid the dust that ignites, it is ensured that safe and reliable operation.
The content of the invention
The purpose of the present invention is to provide a kind of simple in construction, compact, small volume regarding to the issue above, installation, dismounting, operation
It is convenient and reliable, the safe and reliable collection of inflammable and explosive property dust can be effectively realized, avoids producing during dust collection
Unsafe factor, dust concentration is reduced, the dust collection for explosion hazard area for avoiding the dangerous situations such as blast from occurring fills
Put.
Technical scheme is used by realize the purpose of the present invention:The device include be sequentially connected the guiding tube that gathers dust,
Dust-filtering bucket, blast pipe, dust explosion-proof motor and discharge pipe, antistatic filter cylinder and funnel are provided with the dust-filtering bucket
Shape airflow-distribution board, the lower end bell mouth of airflow-distribution board pass through the bottom plate and ft connection of dust-filtering bucket, the dust mistake
It is dust collection bucket below lauter tub, and resistance to burning, anti-aging ring packing is provided between dust-filtering bucket and dust collection bucket
Pad;The dust explosion-proof motor is arranged in a casing and is connected with the dust explosion protection electric control box being arranged in the casing,
Dust centrifugal blower is provided with the dust explosion-proof motor, dust is provided between the blast pipe and the dust explosion-proof motor
Screen pack.
The exit of the discharge pipe is provided with the carbon steel catch net of electrostatic spraying.
The blast pipe, discharge pipe and gather dust guiding tube using PU conductions it is wear-resisting, it is resistance to burning, anti-aging flexible pipe, and enter,
Discharge pipe is lined with steel wire.
The dust-filtering bucket is provided with lid, and upper lid is being provided with resistance to burning, anti-aging between the staving of dust-filtering bucket
Gask-O-Seal.
Zhen Chen mechanisms are provided with the upper lid, the Zhen Chen mechanisms, which include being arranged on upper lid by insulated enclosure circle, to be turned
Axle, rotating shaft lower end extend to the cartridge interior and are provided with rotation plectrum.
The filter cylinder inwall plating is provided with aluminium film, and the rotation plectrum is wear-resisting rubber head material product.
The dust centrifugal blower is provided with impeller protective cover, and its draught fan impeller and impeller protective cover are aluminum alloy material
Product, the distance between draught fan impeller external diameter and impeller protective cover stationary parts are at least the 1/100 of impeller diameter.
The dust explosion-proof motor dust explosion protection type threephase asynchronous.
The device is additionally provided with earthing mechanism, is connected by ground wire with the earth, further improves the safe and reliable of device
Property.
The device is integrally provided in a moving cart, and the tire of the moving cart is rubber conductive casters.
The beneficial effects of the invention are as follows:
1)Born caused by the dust explosion protection type centrifugal blower driven by the dust for the guiding tube that gathers dust in dust explosion-proof motor
Under pressure effect, dust laden air enters dust-filtering bucket by the guiding tube that gathers dust, due to the sudden enlargement of air-flow section and funnel-form gas
The collective effect of flow point fabric swatch, a part of big particle is deposited in dust collection bucket under power and inertia force effect in air-flow
It is interior;The small grit of fine size, density enters in filter cylinder, by combined effects such as Blang's diffusion and sievings, is filtering dust deposit
On cylinder surface;Before entering blower fan by air inlet pipe by the gas after filter cylinder filtration, purification, again by dust-filtering net, reach
The effect of complete Chalk-dust filtering, realize that three-stage filtration is handled, filtering is abundant, good dedusting effect.Meanwhile filter cylinder antistatic, driving
Motor and centrifugal blower are dust explosion protection type, can effective guarantee dust collection process it is safe and reliable.
2)Further, by setting the carbon steel catch net of electrostatic spraying, blast pipe, discharge pipe in the exit of discharge pipe
With gather dust guiding tube using PU conductions are wear-resisting, resistance to burning, anti-aging flexible pipe, the plating of filter cylinder inwall sets aluminium film, and rotation plectrum uses
Wear-resisting rubber head material, draught fan impeller and impeller protective cover use aluminum alloy material, and draught fan impeller external diameter and impeller protective cover are quiet
Distance between stop part is at least the 1/100 of impeller diameter, moving cart uses rubber conductive casters, and earthing or grounding means is set
Put, effectively avoid the generation of electrostatic and spark, can effectively reach IP10 protection level requirements, dust-filtering bucket with covering thereon
Between and dust-filtering bucket and collecting vessel between resistance to burning, anti-aging sealing gasket are set, can effectively prevent the entrance of dust and outer
Leakage, reach the IP66 sealing functions of dust explosion protection standard requirement, explosive-proof grade is high, securely and reliably.
3)By setting Zhen Chen mechanisms, the drying property grit on filter cylinder surface is partly remained in, after operation is shut down, grit exists
Fallen under the shake effect of rotation plectrum in dust collection bucket, simplicity, safety, health, environmental protection.
4)The present invention is reasonable in design, topology layout is extremely compact, small volume, conveniently moving, simple in construction, overall tightness
Can be good, explosive-proof grade is high, securely and reliably, can effectively avoid producing unsafe factor during dust collection, improves inflammable easy
The security reliability of quick-fried property dust collection process, to explosive dust place, there may be spark, electric arc, hot surface and friction fire
Situations such as flower, is effectively evaded and is protected, and prevents to light the possibility of explosive atmosphere, it is ensured that safe and reliable production and people
The safety of lives and properties.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the side structure schematic view of the present invention;
Fig. 2 is the overlooking the structure diagram of the present invention.
Embodiment
As shown in Figure 1-2:A kind of dust collecting for explosion hazard area, including the guiding of gathering dust being sequentially connected
Pipe 21, dust-filtering bucket 17, blast pipe 9, dust explosion-proof motor 27 and discharge pipe 8, the blast pipe, discharge pipe and guiding of gathering dust
Pipe 21 using PU conductions are wear-resisting, resistance to burning, anti-aging flexible pipe, and be lined with steel wire into and out of airduct 9,8.The dust-filtering
Antistatic filter cylinder 16 and funnel-form airflow-distribution board 20 are provided with bucket 17, airflow-distribution board 20 is multiple stepped constructions, described
Side wall of the guiding tube 21 in the dust-filtering bucket 17 of gathering dust is with 20 corresponding position of airflow-distribution board by sealing foot pad and spiral shell
Bolt-lock tightening seal connects.
The lower section of dust-filtering bucket 17 is dust collection bucket 23, and is set between dust-filtering bucket 17 and dust collection bucket 23
There are resistance to burning, anti-aging Gask-O-Seal, the lower end bell mouth of airflow-distribution board 20 extends downwardly through dust-filtering bucket 17
Bottom plate connected with dust collection bucket 23, form dust fall passage;The dust explosion-proof motor 27 is arranged on a metal box
It is electrically connected in body 2 and by its anti-explosion terminal box 3 with the dust explosion protection electric control box 4 being arranged in the metal cabinet 2,
Control cabinet 4 is arranged on the side of metal cabinet 2 by a fixed plate, and dust centrifugation wind is provided with the dust explosion-proof motor 27
Machine 26, the dust-filtering bucket 17 are provided with lid 14, and the upper side of lid 14 is be hinged with dust-filtering bucket 17, and opposite side passes through buckle
10 are locked, and resistance to burning, anti-aging Gask-O-Seal 15 are provided between the staving of upper lid 14 and dust-filtering bucket 17,
The both ends of the blast pipe 9 connect with the upper lid 14 and dust centrifugal blower 26 for stating dust-filtering bucket 17 respectively, and in its company
The place of connecing is locked using hose clamp 11, is provided with dust-filtering net 25 between the blast pipe 9 and the dust centrifugal blower 26, and enter
Pressure gauge 7 is additionally provided with airduct 9, can monitor and check at any time the stopping state of filter mechanism, to clear up in time, is ensured
The normal table operation of equipment.Described one end of discharge pipe 8 is connected with the dust centrifugal blower 26, and the other end passes through the metal
The top plate certain distance of casing 2, and it is provided with the air outlet of discharge pipe 8 the carbon steel catch net 29 of electrostatic spraying, the gold
Handrail 5,19 and 22 is respectively arranged with category casing 2, dust-filtering bucket 17 and dust collection bucket 23.
Preferably, the dust-filtering bucket 17 of the dust collecting and dust collection bucket 23 are to be detachably connected knot up and down
Structure, forms integral seal structure by Gask-O-Seal and connection locking member between the two, and the metal cabinet 2 is overall close with this
Seal structure split settings, the top of metal cabinet 2 are provided with tool box 6, meanwhile, metal cabinet 2 and the integral seal structure are equal
It is arranged on the seat board 1 of a moving cart, the tire 24 of the moving cart is rubber conductive casters.The dust collecting integrally leads to
Cross one to be connected by the earthing mechanism that ground wire is formed with the earth, seat board 1, metal cabinet 2 and the tool box 6 of moving cart use
The carbon steel material product of electrostatic spraying, dust-filtering bucket 17, dust collection bucket 23 use stainless steel, can be to a greater extent
Avoid the generation of petard dangerous situation.
Preferred scheme is further used as, Zhen Chen mechanisms are provided with the upper lid 14, the Zhen Chen mechanisms include passing through insulation
Sealing ring is arranged on the rotating shaft 13 on lid 14, and the upper end of rotating shaft 13 is provided with rotating handles 12, lower end extends to the filter cylinder 16
Inside is simultaneously provided with rotation plectrum 18, and the contact portion plating of the inwall of filter cylinder 16 and rotation plectrum 18 is provided with aluminium film, the rotation
Transfer piece 18 is wear-resisting rubber head material product, and the dust on filter cylinder 16 shakes by rotating plectrum 18, realized to filter cylinder 16
Cleaning, and avoid producing spark hazard.
Be further used as preferred scheme, the dust centrifugal blower 26 is provided with impeller protective cover 28, its draught fan impeller and
Impeller protective cover 28 is aluminum alloy material product, and the distance between draught fan impeller external diameter and the stationary parts of impeller protective cover 28 is at least
For the 1/100 of impeller diameter, impeller and impeller protective cover 28 when can effectively avoid draught fan impeller failure deforming in rotary course
Frictional impact produces spark, so as to effectively prevent explosion danger.The dust explosion-proof motor 27 is dust explosion protection type three-phase
Asynchronous motor.
After the present invention is in use, operating personnel switch on power device, passes through dust explosion protection electric control box 4 and start dust
Fire-proof motor 27, under the effect of dust explosion protection type centrifugal blower 26, dust laden air enters dust-filtering by the guiding tube 21 that gathers dust
Bucket 17, the big particle in air-flow are deposited in dust collection bucket 23, and the small grit of fine size, density enters in filter cylinder 16, resistance
The surface of filter cylinder 16 is interposed between in filter cylinder 16 or is deposited on, before continuing again by air inlet pipe 9 by the air-flow after the filtration, purification of filter cylinder 16
Enter, before dust explosion protection type centrifugal blower 26 is entered, by more higher leveled dust-filtering net 25, carry out further mistake
Filter, reach the effect of complete Chalk-dust filtering, multistage filtering during being somebody's turn to do, filtering is abundant, good dedusting effect;Part remains in filter cylinder
Drying property grit on 16, after operation is shut down, by operating Zhen Chen mechanisms rotating handles 12, rotation plectrum 18 is driven to rotate,
Grit is fallen into dust collection bucket 23 under the shake effect of rotation plectrum 18(Dust collecting can also be moved to safe field
Institute, filter cylinder 16 is removed, clear up dust);Air after finally filtering is discharged by escape pipe 8 by gas outlet.After equipment has used,
Harbor is moved it to, dust collection bucket 23 is removed and cleared up.
Technical scheme is not restricted in the range of embodiment of the present invention.The not detailed description of the present invention
Technology contents be known technology.
Claims (4)
1. a kind of dust collecting for explosion hazard area, it includes the guiding tube that gathers dust, the dust-filtering being sequentially connected
Bucket, blast pipe, dust explosion-proof motor and discharge pipe, it is characterised in that:Be provided with the dust-filtering bucket antistatic filter cylinder and
Funnel-form airflow-distribution board, airflow-distribution board are multiple stepped constructions, and the guiding tube that gathers dust is arranged on the dust-filtering bucket
Side wall position corresponding with airflow-distribution board, the lower end bell mouth of airflow-distribution board through dust-filtering bucket bottom plate with it is outside
Connection, the dust-filtering bucket lower section is dust collection bucket, and resistance to burning is provided between dust-filtering bucket and dust collection bucket, is resisted
The Gask-O-Seal of aging;The dust-filtering bucket is provided with lid, and resistance to combustion is provided between the staving of upper lid and dust-filtering bucket
Burn, anti-aging sealing gasket, Zhen Chen mechanisms are provided with upper lid, the Zhen Chen mechanisms include being arranged on upper lid by insulated enclosure circle
On rotating shaft, rotating shaft lower end extends to the cartridge interior and is provided with rotation plectrum, and the rotation plectrum is wear-resisting rubber head material
Product, aluminium film is provided with the plating of filter cylinder inwall;The dust explosion-proof motor is arranged in a casing, and with being arranged in the casing
Dust explosion protection electric control box connects, and is provided with dust centrifugal blower in the dust explosion-proof motor, the dust centrifugal blower is set
Impeller protective cover is equipped with, the distance between its draught fan impeller external diameter and impeller protective cover stationary parts is at least the 1/ of impeller diameter
100;Dust-filtering net is provided between the blast pipe and dust explosion-proof motor, the exit of discharge pipe is provided with electrostatic spraying
Carbon steel catch net;The blast pipe, discharge pipe and gather dust guiding tube using PU conductions it is wear-resisting, it is resistance to burning, anti-aging flexible pipe, and
Steel wire is lined with into and out of airduct.
2. dust collecting as claimed in claim 1, it is characterised in that:The dust explosion-proof motor is dust explosion protection type three
Phase asynchronous motor.
3. dust collecting as claimed in claim 1, it is characterised in that:The device is additionally provided with earthing mechanism.
4. dust collecting as claimed in claim 1, it is characterised in that:The device is integrally provided in a moving cart,
The tire of the moving cart is rubber conductive casters.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610070259.2A CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
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CN201610070259.2A CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
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CN105536415A CN105536415A (en) | 2016-05-04 |
CN105536415B true CN105536415B (en) | 2018-03-02 |
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CN201610070259.2A Active CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106224559B (en) * | 2016-08-16 | 2018-01-23 | 西安近代化学研究所 | A kind of dynamic sealing separate cavities for explosive dust environment rotary part |
CN108656616A (en) * | 2018-05-10 | 2018-10-16 | 深圳市志凌伟业技术股份有限公司 | This kind of removable and Segmented heating press |
CN110141920A (en) * | 2019-05-31 | 2019-08-20 | 广州颖创环保科技有限公司 | A kind of stainless steel anti-explosion dust remover |
CN111359350B (en) * | 2020-02-18 | 2021-12-10 | 北京石油化工学院 | Dust collection device with explosion-proof explosion control function and dust collection vehicle |
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CN2144530Y (en) * | 1992-06-06 | 1993-10-27 | 浙江省余杭县环保设备厂 | Dust-removing machine set with explosion-proof device |
CN102061352A (en) * | 2010-12-15 | 2011-05-18 | 中冶南方工程技术有限公司 | Air flow distribution plate at inlet of electrostatic dust collector |
CN202724917U (en) * | 2012-08-07 | 2013-02-13 | 山东豪迈机械科技股份有限公司 | Energy-saving low-noise dust collector |
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ES2130555T3 (en) * | 1994-08-11 | 1999-07-01 | Glatt Maschinen & Apparatebau | PROCEDURE AND INSTALLATION FOR MOVING MATERIAL IN THE FORM OF PARTICLES. |
JP4943356B2 (en) * | 2008-02-28 | 2012-05-30 | アマノ株式会社 | Explosion-proof filter for dust collector and explosion-proof dust collector |
CN203648299U (en) * | 2013-11-18 | 2014-06-18 | 广州颖创环保科技有限公司 | Back-blowing type anti-explosion dust collector |
CN203852953U (en) * | 2014-05-22 | 2014-10-01 | 天津隆世起机电设备有限公司 | Explosion-proof dust collector |
CN204275688U (en) * | 2014-10-31 | 2015-04-22 | 青岛路博宏业环保技术开发有限公司 | Explosion-proof type sack cleaner |
CN205379769U (en) * | 2016-02-02 | 2016-07-13 | 南阳中天防爆电气有限公司 | A dust collection device for explosion hazard area |
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2016
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2144530Y (en) * | 1992-06-06 | 1993-10-27 | 浙江省余杭县环保设备厂 | Dust-removing machine set with explosion-proof device |
CN102061352A (en) * | 2010-12-15 | 2011-05-18 | 中冶南方工程技术有限公司 | Air flow distribution plate at inlet of electrostatic dust collector |
CN202724917U (en) * | 2012-08-07 | 2013-02-13 | 山东豪迈机械科技股份有限公司 | Energy-saving low-noise dust collector |
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CN105536415A (en) | 2016-05-04 |
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Address after: 473000 No.1 Industrial Park, high tech Zone, Nanyang City, Henan Province Patentee after: Nanyang Zhongtian explosion proof Electric Co.,Ltd. Patentee after: NANYANG EXPLOSION PROTECTED ELECTRICAL APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 473000 No.1 Industrial Park, high tech Zone, Nanyang City, Henan Province Patentee before: NANYANG ZHONGTIAN EXPLOSION-PROOF ELECTRIC Co.,Ltd. Patentee before: NANYANG EXPLOSION PROTECTED ELECTRICAL APPARATUS RESEARCH INSTITUTE Co.,Ltd. |