CN105536415A - Dust collection device applied to explosion hazardous area - Google Patents
Dust collection device applied to explosion hazardous area Download PDFInfo
- Publication number
- CN105536415A CN105536415A CN201610070259.2A CN201610070259A CN105536415A CN 105536415 A CN105536415 A CN 105536415A CN 201610070259 A CN201610070259 A CN 201610070259A CN 105536415 A CN105536415 A CN 105536415A
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- dust
- explosion
- dust collection
- bucket
- filtering
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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
Abstract
The invention discloses a dust collection device applied to an explosion hazardous area. The dust collection device comprises a dust collection guiding pipe, a dust filtering barrel, an air intake pipe, a dust explosionproof motor and an air outlet pipe which are connected in sequence, wherein an anti-static filter drum and a funnel-shaped airflow distribution plate are arranged in the dust filtering barrel, a dust collection barrel is arranged below the dust filtering barrel, the dust explosionproof motor is arranged in a box body and is connected with a dust explosionproof electric control box, and a dust filter screen is arranged between the air intake pipe and the dust explosionproof motor. The dust collection device applied to the explosion hazardous area has the advantages that the design is reasonable, the structure layout is very compact, the volume is small, movement is convenient, and the structure is simple, safe and reliable; unsafe factors can be effectively prevented from occurring in a dust collection process; the safety and reliability of a flammable and explosive dust collection process are improved; situations, such as sparks, electric arcs, hot surfaces and friction sparks, which possibly occur in an explosive dust area, are effectively avoided and prevented; the possibility of igniting an explosive environment is avoided, and the safe and reliable production and the security of life and property of people are ensured.
Description
Technical field
The invention belongs to explosion-proof technical field of dust removal equipment, particularly relate to a kind of dust collecting for explosion hazard area.
Background technology
The especially big dust explosion accident in Kunshan on August 2nd, 2014, caused that 75 people are dead, 185 people are injured, direct economic loss 3.51 hundred million yuan the same day.By investigation, the immediate cause aluminum dust of accident gathers, the high-temperature particle produced in polishing production process forms dust cloud, reach the ignition temperature of dust cloud, cause the multiburst in dust pelletizing system and workshop, the high-temperature gas that blast produces and comburant moment spray from each suction port through cleaning shaft, cause all station manipulation personnel in full workshop to be directly subject to blast impulse, cause the dead group's wound of group.The alarm bell of safety in production is beaten again to us.
There is the explosion hazard area of inflammable and explosive property dust (as flour, aluminium powder, magnesium powder etc.); usually a large amount of floating or sedimentating dusts can be had; when these dust reach certain concentration; run into spark or dangerous high temperature; will be ignited; thus explosion caused peril such as grade, the as easy as rolling off a log massive losses causing the person and property.Therefore, the dust safe collection in above-mentioned place with reliably isolate, most important, not only to collect in time and clearing up the dust of easily causing danger, and in the process of clearing up in collection, also effectively will avoid the dust that ignites, guarantee safe and reliable operation.
Summary of the invention
The object of the invention is to provide for the problems referred to above that a kind of structure is simple, compact, volume is little, installation, dismounting, convenient and reliable operation, effectively can realize safety, the safe collection of inflammable and explosive property dust, avoid producing unsafe factor in dust collection process, reduce dust concentration, avoid the dust collecting for explosion hazard area that the dangerous situations such as blast occur.
The technical scheme adopted for realizing object of the present invention is: this device comprises the guiding tube that gathers dust, dust-filtering bucket, blast pipe, dust explosion-proof motor and the discharge pipe that connect successively, antistatic filter cylinder and funnel-form airflow-distribution board is provided with in described dust-filtering bucket, base plate and the ft connection of dust-filtering bucket are passed in the lower end bell mouth of airflow-distribution board, be dust collection bucket below described dust-filtering bucket, and between dust-filtering bucket and dust collection bucket, be provided with resistance to burning, aging-resistant Gask-O-Seal; Described dust explosion-proof motor to be arranged in a casing and to be connected with the dust explosion protection electric control box be arranged in this casing, described dust explosion-proof motor is provided with dust centrifugal blower, between described blast pipe and described dust explosion-proof motor, is provided with dust-filtering net.
The exit of described discharge pipe is provided with the carbon steel catch net of electrostatic spraying.
Described blast pipe, discharge pipe and the guiding tube that gathers dust all adopt wear-resisting, the resistance to burning of PU conduction, anti-aging flexible pipe, and have steel wire into and out of airduct liner.
Described dust-filtering bucket is provided with upper cover, is provided with resistance to burning, aging-resistant Gask-O-Seal between the staving of upper cover and dust-filtering bucket.
Cover on described and be provided with Zhen Chen mechanism, this Zhen Chen mechanism comprises and is arranged on by insulated enclosure circle the rotating shaft covered, and rotating shaft lower end extended to described cartridge interior and was provided with rotation plectrum.
Described filter cylinder inwall plating is provided with aluminium film, and described rotation plectrum is wear-resisting glue head material product.
Described dust centrifugal blower is provided with impeller protective cover, and its draught fan impeller and impeller protective cover are aluminum alloy material product, and the distance between draught fan impeller external diameter and impeller protective cover stationary parts is at least 1/100 of impeller diameter.
Described dust explosion-proof motor dust explosion protection type threephase asynchronous.
This device is also provided with earthing mechanism, is communicated with the earth by earth connection, improves the security reliability of device further.
This device is integrally provided on a travelling car, and the tire of this travelling car is rubber conductive casters.
The invention has the beneficial effects as follows:
1) under the suction function of the dust explosion protection type centrifugal blower generation driven in dust explosion-proof motor through the dust of the guiding tube that gathers dust, dust laden air enters dust-filtering bucket by the guiding tube that gathers dust, due to the acting in conjunction of the sudden enlargement of air-flow section and funnel-form airflow-distribution board, in air-flow, a part of big particle is deposited in dust collection bucket under power and inertia force effect; The grit that fine size, density are little enters in filter cylinder, by combined effects such as Blang's diffusion and sievings, makes dust deposit at filter cylinder on the surface; Before entering blower fan by the gas after filter cylinder filtration, purification by air inlet pipe, again by dust-filtering net, reach the effect of complete Chalk-dust filtering, realize three-stage filtration process, filter fully, good dedusting effect.Meanwhile, filter cylinder antistatic, drive motors and centrifugal blower are dust explosion protection type, can effective guarantee dust collection process safe and reliable.
2) further, by arranging the carbon steel catch net of electrostatic spraying in the exit of discharge pipe, blast pipe, it is wear-resisting that discharge pipe and the guiding tube that gathers dust all adopt PU to conduct electricity, resistance to burning, anti-aging flexible pipe, aluminium film is established in the plating of filter cylinder inwall, rotate plectrum and adopt wear-resisting glue head material, draught fan impeller and impeller protective cover all adopt aluminum alloy material, distance between draught fan impeller external diameter and impeller protective cover stationary parts is at least 1/100 of impeller diameter, travelling car adopts rubber conductive casters, and the setting of earthing or grounding means, all effectively avoid the generation of electrostatic and spark, effectively can reach the degree of protection requirement of IP10, between dust-filtering bucket and its upper cover and between dust-filtering bucket and collecting vessel, resistance to burning is set, aging-resistant sealing gasket, effectively can prevent entering and leaking outside of dust, reach the IP66 sealing function of dust explosion protection standard-required, explosive-proof grade is high, safe and reliable.
3) by arranging Zhen Chen mechanism, part remains in the drying property grit on filter cylinder surface, and after shutdown runs, the shake effect that grit is rotating plectrum falls in dust collection bucket, easy, safety, health, environmental protection.
4) the present invention is reasonable in design, topology layout is very compact, volume is little, conveniently moving, structure are simple, overall sealing performance is good, explosive-proof grade is high, safe and reliable, can effectively avoid producing unsafe factor in dust collection process, improve the security reliability of inflammable and explosive property dust collection process, the situations such as spark, electric arc, hot surface and friction spark that may produce explosive dust place are effectively evaded and protect, stop the possibility of lighting explosive atmosphere, guarantee the safety of safe and reliable production and people's lives and properties.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is side-looking structural representation of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1-2: a kind of dust collecting for explosion hazard area, comprise the guiding tube 21 that gathers dust, dust-filtering bucket 17, blast pipe 9, dust explosion-proof motor 27 and the discharge pipe 8 that connect successively, described blast pipe, discharge pipe and the guiding tube 21 that gathers dust all adopt wear-resisting, the resistance to burning of PU conduction, anti-aging flexible pipe, and are lined with steel wire in airduct 9,8.Antistatic filter cylinder 16 and funnel-form airflow-distribution board 20 is provided with in described dust-filtering bucket 17, airflow-distribution board 20 is multiple stepped construction, described in gather dust guiding tube 21 at the sidewall of described dust-filtering bucket 17 position corresponding with airflow-distribution board 20 by sealing foot pad and bolt-locking is tightly connected.
Be dust collection bucket 23 below described dust-filtering bucket 17, and between dust-filtering bucket 17 and dust collection bucket 23, be provided with resistance to burning, aging-resistant Gask-O-Seal, the base plate that the lower end bell mouth of airflow-distribution board 20 extends downwardly through dust-filtering bucket 17 is communicated with dust collection bucket 23, forms the passage that dust falls, described dust explosion-proof motor 27 is arranged in a metal cabinet 2, and be electrically connected with the dust explosion protection electric control box 4 be arranged in this metal cabinet 2 by its anti-explosion terminal box 3, control cabinet 4 is arranged on the side of metal cabinet 2 by a fixed head, described dust explosion-proof motor 27 is provided with dust centrifugal blower 26, described dust-filtering bucket 17 is provided with upper cover 14, upper cover 14 side and dust-filtering bucket 17 hinged, opposite side is locked by buckle 10, and be provided with resistance to burning between the staving of upper cover 14 and dust-filtering bucket 17, aging-resistant Gask-O-Seal 15, the two ends of described blast pipe 9 are communicated with dust centrifugal blower 26 with the upper cover 14 stating dust-filtering bucket 17 respectively, and adopt larynx hoop 11 to lock in its junction, dust-filtering net 25 is provided with between described blast pipe 9 and described dust centrifugal blower 26, and blast pipe 9 is also provided with Pressure gauge 7, can monitor and check the stopping state of filter mechanism at any time, to clear up in time, the normal table of support equipment runs.Described discharge pipe 8 one end is connected with described dust centrifugal blower 26; the other end is through described metal cabinet 2 top board certain distance; and be provided with the carbon steel catch net 29 of electrostatic spraying at the air outlet place of discharge pipe 8, described metal cabinet 2, dust-filtering bucket 17 and dust collection bucket 23 be respectively arranged with handrail 5,19 and 22.
Preferably, dust-filtering bucket 17 and the dust collection bucket 23 of this dust collecting are upper and lower Detachable connection structure, integral seal structure is formed between the two by Gask-O-Seal and connection locking member, described metal cabinet 2 is arranged with this integral seal structure split, the top of metal cabinet 2 is provided with tool box 6, meanwhile, metal cabinet 2 and this integral seal structure are all arranged on the seat board 1 of a travelling car, and the tire 24 of this travelling car is rubber conductive casters.This dust collecting is overall to be communicated with the earth by an earthing mechanism be made up of earth connection, the seat board 1 of travelling car, metal cabinet 2 and tool box 6 all adopt the carbon steel material product of electrostatic spraying, dust-filtering bucket 17, dust collection bucket 23 all adopt stainless steel, can avoid the generation of petard dangerous situation to a greater extent.
Be further used as preferred version, described upper cover 14 is provided with Zhen Chen mechanism, this Zhen Chen mechanism comprises the rotating shaft 13 be arranged on by insulated enclosure circle on upper cover 14, rotating shaft 13 upper end is provided with rotating handles 12, lower end extended to described filter cylinder 16 inside and was provided with and rotates plectrum 18, described filter cylinder 16 inwall plates with the contact portion rotating plectrum 18 and is provided with aluminium film, described rotation plectrum 18 is wear-resisting glue head material product, by rotating plectrum 18, the dust on filter cylinder 16 is shaken, realize the cleaning to filter cylinder 16, and avoid producing spark hazard.
Be further used as preferred version; described dust centrifugal blower 26 is provided with impeller protective cover 28; its draught fan impeller and impeller protective cover 28 are aluminum alloy material product; distance between draught fan impeller external diameter and impeller protective cover 28 stationary parts is at least 1/100 of impeller diameter; can effectively avoid draught fan impeller in rotary course during fault distortion impeller and impeller protective cover 28 frictional impact produce spark, thus effectively prevent explosion danger from occurring.Described dust explosion-proof motor 27 is dust explosion protection type threephase asynchronous.
When the present invention uses, after device switches on power by operating personnel, dust explosion-proof motor 27 is started by dust explosion protection electric control box 4, under the effect of dust explosion protection type centrifugal blower 26, dust laden air enters dust-filtering bucket 17 by the guiding tube 21 that gathers dust, big particle in air-flow is deposited in dust collection bucket 23, fine size, the grit that density is little enters in filter cylinder 16, intercept in filter cylinder 16 or be deposited on filter cylinder 16 surface, moved on by air inlet pipe 9 again by the air-flow after filter cylinder 16 filtration, purification, before entering dust explosion protection type centrifugal blower 26, by more higher leveled dust-filtering net 25, further filter, reach the effect of complete Chalk-dust filtering, multistage filtering in this process, filter fully, good dedusting effect, part remains in the drying property grit on filter cylinder 16, after shutdown runs, by operation Zhen Chen mechanism rotating handles 12, driven rotary plectrum 18 rotates, grit falls in dust collection bucket 23 in the shake effect rotating plectrum 18 (also can move to harbor by dust collecting, take off filter cylinder 16, cleaning dust), air after finally filtering is discharged by gas outlet by escape pipe 8.After equipment use is complete, moved to harbor, dust collection bucket 23 is taken off and carries out clearing up.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The technology contents of the not detailed description of the present invention is known technology.
Claims (10)
1. the dust collecting for explosion hazard area, it is characterized in that: it comprises the guiding tube that gathers dust, dust-filtering bucket, blast pipe, dust explosion-proof motor and the discharge pipe that connect successively, antistatic filter cylinder and funnel-form airflow-distribution board is provided with in described dust-filtering bucket, base plate and the ft connection of dust-filtering bucket are passed in the lower end bell mouth of airflow-distribution board, be dust collection bucket below described dust-filtering bucket, and between dust-filtering bucket and dust collection bucket, be provided with resistance to burning, aging-resistant Gask-O-Seal; Described dust explosion-proof motor to be arranged in a casing and to be connected with the dust explosion protection electric control box be arranged in this casing, described dust explosion-proof motor is provided with dust centrifugal blower, between described blast pipe and described dust explosion-proof motor, is provided with dust-filtering net.
2. dust collecting as claimed in claim 1, is characterized in that: the exit of described discharge pipe is provided with the carbon steel catch net of electrostatic spraying.
3. dust collecting as claimed in claim 1, is characterized in that: described blast pipe, discharge pipe and the guiding tube that gathers dust all adopt wear-resisting, the resistance to burning of PU conduction, anti-aging flexible pipe, and have steel wire into and out of airduct liner.
4. dust collecting as claimed in claim 1, is characterized in that: described dust-filtering bucket is provided with upper cover, is provided with resistance to burning, aging-resistant sealing gasket between the staving of upper cover and dust-filtering bucket.
5. dust collecting as claimed in claim 4, it is characterized in that: cover on described and be provided with Zhen Chen mechanism, this Zhen Chen mechanism comprises and is arranged on by insulated enclosure circle the rotating shaft covered, and rotating shaft lower end extended to described cartridge interior and was provided with rotation plectrum.
6. the dust collecting as described in claim as arbitrary in claim 5, is characterized in that: described filter cylinder inwall plating is provided with aluminium film, and described rotation plectrum is wear-resisting glue head material product.
7. dust collecting as claimed in claim 1; it is characterized in that: described dust centrifugal blower is provided with impeller protective cover; its draught fan impeller and impeller protective cover are aluminum alloy material product, and the distance between draught fan impeller external diameter and impeller protective cover stationary parts is at least 1/100 of impeller diameter.
8. dust collecting as claimed in claim 1, is characterized in that: described dust explosion-proof motor is dust explosion protection type threephase asynchronous.
9. dust collecting as claimed in claim 1, is characterized in that: this device is also provided with earthing mechanism.
10. the dust collecting as described in claim 1 or 9, is characterized in that: this device is integrally provided on a travelling car, and the tire of this travelling car is rubber conductive casters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610070259.2A CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610070259.2A CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
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| Publication Number | Publication Date |
|---|---|
| CN105536415A true CN105536415A (en) | 2016-05-04 |
| CN105536415B CN105536415B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610070259.2A Active CN105536415B (en) | 2016-02-02 | 2016-02-02 | Dust collecting for explosion hazard area |
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| CN (1) | CN105536415B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224559A (en) * | 2016-08-16 | 2016-12-14 | 西安近代化学研究所 | A kind of dynamic seal (packing) 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 |
| CN111359350A (en) * | 2020-02-18 | 2020-07-03 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224559A (en) * | 2016-08-16 | 2016-12-14 | 西安近代化学研究所 | A kind of dynamic seal (packing) separate cavities for explosive dust environment rotary part |
| 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 |
| CN111359350A (en) * | 2020-02-18 | 2020-07-03 | 北京石油化工学院 | Dust collection device with explosion-proof explosion control function and dust collection vehicle |
| 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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|---|---|
| CN105536415B (en) | 2018-03-02 |
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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. |
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