CN103522451B - Dust separation and collection device - Google Patents
Dust separation and collection device Download PDFInfo
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- CN103522451B CN103522451B CN201310434582.XA CN201310434582A CN103522451B CN 103522451 B CN103522451 B CN 103522451B CN 201310434582 A CN201310434582 A CN 201310434582A CN 103522451 B CN103522451 B CN 103522451B
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- dust
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- dedusting
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- gathering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention discloses a dust separation and collection device which is good in separation effect, can sufficiently and thoroughly separate and recycle dust and solves the deficiencies that partial plastic is separated along with the dust, and the dust is easy to rebound, mix and adhere again in a separation process of a plastic dust separation device in the prior art. A plastic dust frequency-conversion separation device comprises a main dust removing cylinder and a feeding hole, wherein the main dust removing cylinder is connected with a dust collection bag through an air guiding pipe, an air guiding and dust collection fan is arranged on the air guiding pipe, a plurality of material-guiding inclined plates are arranged in the main dust removing cylinder, and a discharging hole is formed in the lower end of the main dust removing cylinder; a cyclone cylinder is arranged on the main dust removing cylinder, dust collection meshes are formed in the side wall of the cyclone cylinder, and a pre-dedusting cylinder is arranged outside the cyclone cylinder and is connected with the feeding hole. The dust separation and collection device is suitable for applicative occasions of existing plastic dust separation devices and has the characteristics of capability of complete scattering and separation of plastic particles, good dust removing effect, high separation efficiency and the like.
Description
Technical field
The invention belongs to dust separation field, particularly relate to a kind of dust separation gathering-device.
Background technology
During plastics recovery, need to utilize pulverizer that working of plastics is broken into plastic grain, there is a large amount of dust in plastic grain after broken, need to be isolated recovery, plastic grain just can be made to enter next processing links.At present in the separation process to plastic grain and dust, mainly use cyclone, blow centrifugal for the plastic grain smashed, because dust is comparatively light, preferentially can be thrown to the sidewall of separator, realize being separated.But; this kind of separate mode; because the quality of plastic grain own is also little; when being separated, part plastic grain can be thrown on separator sidewall together along with dust; moreover; dust is easily mixed among a large amount of plastic grains again along with the backflow of wind-force, resilience, thus causes being separated thorough not, still has many dust to enter next treatment step together along with plastic grain.
See disclosed " high-voltage motor stator punching " in Chinese patent literature, notification number is CN1833776A, the name of invention is called centrifugal dust separator, this application case discloses a kind of centrifugal dust separator, it is made up of inside and outside two circular concentric cylindrical shells and the taper dust hopper be connected to bottom outer cylinder body, centrifugal booster fan is installed on inner barrel top, draught fan impeller air inlet arranges arc current collector, inner barrel bottom air inlet mouth arranges streamlined air deflector, in simplified inlet gas turning annular guide vane is housed and annular guide vane centre arrange straight splitter with fall resistance energy-conservation.Inner barrel barrel is installed several exhaust ducts, exhaust outlet is outside on simplified barrel.Dusty gas is inhaled into from top and discharges from impeller surrounding, throw to outer simplified inwall, pure air flows downward along interior simplified outer wall, flow into the inner chamber of inner barrel from bottom through guide vane and air deflector and upwards flow into exhaust duct discharge, then be deposited in taper dust hopper by the dust throwing to outer cylinder body inwall, discharge through discharge gate.This invention weak point is, plastic grain still easy and dust mixes, and the dust separated is still easy in air return, resilience before recovery, is again mixed in plastic grain heap, causes separation thorough not.
Summary of the invention
Instant invention overcomes prior art molding powder dust separating device in separation process; partly plastic particle can be separated together along with dust; the dust also easy resilience deficiency that mixes, adhere to again itself, provides a kind of good separating effect, separation and recovery fully, dust separation gathering-device thoroughly.
The present invention is achieved by the following technical solutions:
A kind of plastics dust frequency conversion separator, comprise the main cylinder of dedusting, charging aperture, the main cylinder of described dedusting is connected with a dust bag by guide duct, and described guide duct is provided with wind-guiding dust absorption fan, be provided with some guide swash plates in the main cylinder of described dedusting, the main cylinder lower end of described dedusting is provided with discharging opening.Plastic grain is from throat-fed, start to fall in the main cylinder of dedusting, guide swash plate is collided in dropping process, plastic grain is made to be broken up with dust, be separated, dust is lighter, the air draught air-flow of wind-guiding dust absorption fan can enter guide duct with dust and blow to dust bag, and relatively heavier plastic grain then continues to fall, until drop out from discharging opening.
As preferably, the main cylinder of described dedusting is provided with cyclone cylinder, described cyclone cylinder sidewall is provided with dust suction mesh, described cyclone cylinder connects whirlwind blower fan, the direction of whirlwind blower fan wind-guiding in cyclone cylinder is from the bottom to top, described cyclone cylinder is in the upper end of the main cylinder of dedusting, is provided with pre-dedusting cylinder outside described cyclone cylinder, and described pre-dedusting cylinder connects charging aperture.When charging, whirlwind blower fan provides the air-flow of turn, form suction, in pre-dedusting cylinder, a part of dust enters cyclone cylinder from dust suction mesh and is taken out of, play the effect of pre-dedusting, utilize whirlwind suction first to be broken up in advance by the plastic grain gathered, the effect falling to breaing up, be separated after auxiliary raising simultaneously.
As preferably, described guide swash plate divides and is in both sides in main cylinder and staggered successively, and the angle between described guide swash plate and horizontal plane is 10 to 80 to spend.Improve the collision efficiency in dropping process, repeatedly carry out breaing up of dust and plastic grain, guarantee dust is separated fully.
As preferably, the connectivity part of the main cylinder of described dedusting and guide duct is on the sidewall of the main cylinder of dedusting, and the length that this connectivity part in the vertical direction covers is greater than the half high of the main cylinder of dedusting.The Distance geometry area that connectivity part covers directly affects dust suction amount, therefore unsuitable too short, limits half height being at least greater than the main cylinder of dedusting, can ensure to have enough dust suction overlay areas at this.
As preferably, the guide swash plate near guide duct side is provided with wind gathering plate, and described wind gathering plate is connected with guide swash plate lower surface away from one end of guide duct, forms wind gathering mouth between described wind gathering plate and the guide swash plate below it.The existence of wind gathering mouth, can make air draught air velocity accelerate, intensity strengthen and air-flow accelerate after, partly plastic particle offsets thereupon, strike wind gathering plate and rebounded downwards, improve collision frequency, ensure that the dust shake of absorption is from plastic grain, improves separating effect.
As preferably, described cyclone cylinder, away from the lower end closed of half part of charging aperture, is communicated with the main cylinder of dedusting near the lower end of half part of charging aperture.There is in cyclone cylinder the cyclonic air flow upwards inhaled, a suction air-flow with turn character is then formed in cyclone cylinder periphery, the effect of breaing up intensive plastic grain and carrying out preliminary dust suction can be played, therefore, make a part of plastic grain first can not enter the main cylinder of dedusting fast, but circle round in cyclone cylinder and spin, thus separate with dust, enter the main cylinder of dedusting after tentatively breaing up again, smoothness when being more conducive to and dust separation, and siphon away a part of dust in advance by whirlwind.
As preferably, the connectivity part of the main cylinder of described dedusting and guide duct is provided with Isolation net cover.Prevent plastic grain from entering guide duct.
As preferably, the one piece of guide swash plate being in highest point near guide duct side is provided with some filtration through holes.When starting most to fall, Dust Capacity is very large, now needs line as much as possible to siphon away a part of dust, prevents the secondary of dust from adhering to.Perforate on first piece of guide swash plate of air draught side, can fall clearly a large amount of dust rapidly when first full state, greatly reduces the secondary attachment of dust, ensure that separative efficiency, improve cleaning effect.
Therefore, the invention has the beneficial effects as follows: (1) fully can carry out breaing up of dust and plastic grain, be separated fully, good dedusting effect; (2) dust not easily resilience when sucking-off, can not again be mixed in plastic grain group, separative efficiency is high; (3) a large amount of dust can be fallen clearly rapidly when first full state, greatly reduce the secondary attachment of dust.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation that in the present invention, band filters the guide swash plate of through hole.
In figure: the main cylinder 1 of dedusting, charging aperture 2, guide duct 3, dust bag 4, wind-guiding dust absorption fan 5, guide swash plate 6, cyclone cylinder 7, pre-dedusting cylinder 8, wind gathering plate 9, Isolation net cover 10, filtration through hole 11.
Detailed description of the invention
Below by embodiment, by reference to the accompanying drawings technical scheme of the present invention is described further:
Embodiment 1: a kind of plastics dust frequency conversion separator as shown in Figure 1, comprise the main cylinder 1 of dedusting, charging aperture 2, the main cylinder 1 of described dedusting is connected with a dust bag 4 by guide duct 3, described guide duct 3 is provided with wind-guiding dust absorption fan 5, be provided with some guide swash plates 6 in the main cylinder of described dedusting 1, described dedusting main cylinder 1 lower end is provided with discharging opening.The main cylinder 1 of described dedusting is provided with cyclone cylinder 7, described cyclone cylinder 7 sidewall is provided with dust suction mesh, described cyclone cylinder 7 connects whirlwind blower fan, the direction of whirlwind blower fan wind-guiding in cyclone cylinder 7 is from the bottom to top, described cyclone cylinder 7 is in the upper end of the main cylinder 1 of dedusting, be provided with pre-dedusting cylinder 8 outside described cyclone cylinder 7, described pre-dedusting cylinder 8 connects charging aperture 2.Described guide swash plate 6 points is in both sides in main cylinder and staggered successively, and the angle between described guide swash plate 6 and horizontal plane is 10 to 80 to spend.Improve the collision efficiency in dropping process, repeatedly carry out breaing up of dust and plastic grain, guarantee dust is separated fully.The main cylinder of described dedusting 1 is on the sidewall of the main cylinder 1 of dedusting with the connectivity part of guide duct 3, and the length that this connectivity part in the vertical direction covers is greater than half height of the main cylinder 1 of dedusting.The Distance geometry area that connectivity part covers directly affects dust suction amount, therefore unsuitable too short, limits half height being at least greater than the main cylinder 1 of dedusting, can ensure to have enough dust suction overlay areas at this.
Plastic grain is from charging aperture 2 charging, whirlwind blower fan provides turn and air-flow upwards, and form suction, in pre-dedusting cylinder 8, a part of dust enters cyclone cylinder 7 from dust suction mesh and taken out of, play the effect of pre-dedusting, utilize whirlwind suction first to be broken up in advance by the plastic grain gathered simultaneously.Next, plastic grain enters the main cylinder 1 of dedusting, and within it start to fall, in dropping process repeatedly, impact several times guide swash plate 6, plastic grain and dust are broken up, be separated, dust is lighter, the air draught air-flow that wind-guiding dust absorption fan 5 manufactures can enter guide duct 3 with dust and blow to dust bag 4, relatively heavier plastic grain then continues to fall, moreover, partly plastic particle can move a little towards guide duct 3 place, falling speed slows down, extend the dust suction time, and the downward-sloping characteristic of guide swash plate 6 can ensure that plastic grain has whereabouts inertia all the time, although therefore can offset to some extent, but can not along with air-flow leaves the main cylinder 1 of dedusting as very light dust.Plastic grain, after experience falls collision, dust suction repeatedly, finally falls from blanking port, now can collect the plastic grain being separated dust.
Embodiment 2: the present embodiment as shown in Figure 2 and Figure 3, its structure and embodiment are substantially with embodiment 1, difference is, guide swash plate 6 near guide duct 3 side is provided with wind gathering plate 9, described wind gathering plate 9 is connected with guide swash plate 6 lower surface away from one end of guide duct 3, forms wind gathering mouth between described wind gathering plate 9 and the guide swash plate 6 below it.The existence of wind gathering mouth, can make air draught air velocity accelerate, intensity strengthen and air-flow accelerate after, partly plastic particle offsets thereupon, strike wind gathering plate 9 and rebounded downwards, improve collision frequency, ensure that the dust shake of absorption is from plastic grain, improves separating effect.Described cyclone cylinder 7, away from the lower end closed of half part of charging aperture 2, is communicated with the main cylinder 1 of dedusting near the lower end of half part of charging aperture 2.There is in cyclone cylinder 7 cyclonic air flow upwards inhaled, a suction air-flow with turn character is then formed in cyclone cylinder 7 periphery, the effect of breaing up intensive plastic grain and carrying out preliminary dust suction can be played, therefore, make a part of plastic grain first can not enter the main cylinder 1 of dedusting fast, but circle round in cyclone cylinder 7 and spin, thus separate with dust, enter the main cylinder 1 of dedusting after tentatively breaing up again, smoothness when being more conducive to and dust separation, and siphon away a part of dust in advance by whirlwind.The main cylinder 1 of described dedusting is provided with Isolation net cover 10 with the connectivity part of guide duct 3.Can prevent plastic grain from entering guide duct 3.The one piece of guide swash plate 6 being in highest point near guide duct 3 side is provided with some filtration through holes 11.When starting most to fall, Dust Capacity is very large, now needs line as much as possible to siphon away a part of dust, prevents the secondary of dust from adhering to.First piece of guide swash plate 6 of air draught side is offered and filters through hole 11, a large amount of dust can be fallen clearly rapidly when first full state, greatly reduce the secondary attachment of dust, ensure that separative efficiency, improve cleaning effect.
Claims (9)
1. a dust separation gathering-device, comprise the main cylinder of dedusting (1), charging aperture (2), it is characterized in that, the main cylinder of described dedusting (1) is connected with a dust bag (4) by guide duct (3), described guide duct (3) is provided with wind-guiding dust absorption fan (5), be provided with some guide swash plates (6) in the main cylinder of described dedusting (1), the main cylinder of described dedusting (1) lower end is provided with discharging opening, both sides that described guide swash plate (6) point is in main cylinder and staggered successively.
2. dust separation gathering-device according to claim 1, it is characterized in that, the main cylinder of described dedusting (1) is provided with cyclone cylinder (7), described cyclone cylinder (7) sidewall is provided with dust suction mesh, described cyclone cylinder (7) connects whirlwind blower fan, and the direction of whirlwind blower fan wind-guiding in cyclone cylinder (7) is from the bottom to top.
3. dust separation gathering-device according to claim 2, it is characterized in that, described cyclone cylinder (7) is in the upper end of the main cylinder of dedusting (1), is provided with pre-dedusting cylinder (8) outside described cyclone cylinder (7), and described pre-dedusting cylinder (8) connects charging aperture (2).
4. dust separation gathering-device according to claim 1, is characterized in that, the angle between described guide swash plate (6) and horizontal plane is 10 to 80 to spend.
5. dust separation gathering-device according to claim 1, it is characterized in that, the main cylinder of described dedusting (1) is on the sidewall of the main cylinder of dedusting (1) with the connectivity part of guide duct (3), and the length that this connectivity part in the vertical direction covers is greater than half height of the main cylinder of dedusting (1).
6. dust separation gathering-device according to claim 1 and 2, it is characterized in that, guide swash plate (6) near guide duct (3) side is provided with wind gathering plate (9), described wind gathering plate (9) is connected with guide swash plate (6) lower surface away from one end of guide duct (3), forms wind gathering mouth between described wind gathering plate (9) and the guide swash plate (6) below it.
7. dust separation gathering-device according to claim 3, is characterized in that, described cyclone cylinder (7), away from the lower end closed of half part of charging aperture (2), is communicated with the main cylinder of dedusting (1) near the lower end of half part of charging aperture (2).
8. the dust separation gathering-device according to claim 1 or 2 or 3, is characterized in that, the main cylinder of described dedusting (1) is provided with Isolation net cover (10) with the connectivity part of guide duct (3).
9. dust separation gathering-device according to claim 1, is characterized in that, the one piece of guide swash plate (6) being in highest point near guide duct (3) side is provided with some filtration through holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310434582.XA CN103522451B (en) | 2013-09-23 | 2013-09-23 | Dust separation and collection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310434582.XA CN103522451B (en) | 2013-09-23 | 2013-09-23 | Dust separation and collection device |
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| CN103522451A CN103522451A (en) | 2014-01-22 |
| CN103522451B true CN103522451B (en) | 2015-07-15 |
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| CN106003463A (en) * | 2016-07-08 | 2016-10-12 | 江苏方圣机械有限公司 | Dust removal device |
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