CN102233326B - Micropowder removing device - Google Patents
Micropowder removing device Download PDFInfo
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- CN102233326B CN102233326B CN201110089536.1A CN201110089536A CN102233326B CN 102233326 B CN102233326 B CN 102233326B CN 201110089536 A CN201110089536 A CN 201110089536A CN 102233326 B CN102233326 B CN 102233326B
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- filter
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- air
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- Filtering Of Dispersed Particles In Gases (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a micropowder removing device capable of always removing micropowder in high efficiency. The micropowder removing device is provided with a cylindrical casing pipe (3), a cylindrical filter (4) disposed in the casing pipe (3), a flow inlet (10) making air (9) and resin materials (5) flow into the filter (4), and a flow outlet (12) making the air (9) and micropowder (110) flowing into the filter (4) flow out from between the casing pipe (3) and the filter (4) along a tangential direction; the filter (4) is located in a turbinate surface with the central line of the casing pipe (3) as the axis, the flow inlet (10) makes the resin materials (5) and the air (9) flow in from the lower part of the filter (4) along the tangential direction, via the air (9) inflowing from the flow inlet (10) along the tangential direction, and rotating upward along the inner surface of the turbinate filter (4) in the filter (4), spiral airflow (18) flowing from the lower part and the upper part is generated, only if the airflow (18) is provided, the resin materials (5) can be detained in the filter (4).
Description
Technical field
The present invention relates to the micro mist scavenge unit of bulk material.
Background technology
As an example of common micro mist scavenge unit, can refer to Fig. 6 and be explained.I.e. central tube 111 and sleeve pipe 112 roughly concentric arrangement, the bulk material separation unit 101 being inserted into filter tube 113 between which forms the cylindrical shape of three-decker, the cylindrical portion being arranged at the cap 114 on top is arranged bulk material suction inlet 115 in tangential direction, arrange again the air suction inlet 117 of tangential direction in the bottom of sleeve pipe 112, gate 122 is arranged on the top of the retention basin 121 of bottom.By driving the induced-draught fan being connected to air suction port 117, air sucks by the end of the pipe be connected with bulk material suction inlet 115 together with bulk material.From the mist comprising bulk material that bulk material suction inlet 115 tangentially flows into, enter from the top of bulk material separation unit 101 between central tube 111 and filter tube 113 and flow to below.Therebetween bulk material is separated with the micro mist come with it.The micro mist be separated by filter bores, through flowing to below between filter pipe 113 and sleeve pipe 112, is discharged from air suction port 117 together with air.Be eliminated the bulk material of micro mist not by filter hole, and arrange in retention basin 121 from the lower ending opening of filter tube 113.
Patent document 1: JP 2009-273969 publication
Summary of the invention
Above-mentioned usual micro mist scavenge unit, because the mixture of bulk material and gas drops into from device top, therefore the bulk material limited time of being detained in device, for some bulk materials, exists because the holdup time in device is not enough and make the significantly reduced problem of the efficiency of removing micro mist.
The invention solves above-mentioned Problems existing, its object is to provide and can set arbitrarily the holdup time of bulk material in device, can guarantee to remove the holdup time of micro mist in device needed for different bulk material, the micro mist scavenge unit of micro mist can be removed all the time expeditiously.
To achieve these goals, micro mist scavenge unit of the present invention, possesses cylindrical sleeve, be configured at the cartridge filter in described sleeve pipe, the conveying gas of bulk material and described bulk material are flowed into the inflow entrance in described filter, and make the described conveying gas of the described filter of inflow and micro mist from the flow export tangentially flowed out between described sleeve pipe and described filter, it is characterized in that, described filter bits is in the rounding conical surface being axle with the center line of described sleeve pipe, described inflow entrance can make described bulk material and described conveying gas tangentially flow into from described filter bottom.Adopt this structure, can by means of the conveying gas tangentially flowed into from inflow entrance, the air-flow produced from lower to upper part flowing is rotated along the inner face of obconic filter, as long as there is this air-flow bulk material can be trapped in filter in filter.
If employing the present invention, then can provide and can set arbitrarily the holdup time of bulk material in device, can guarantee to remove the holdup time of micro mist in device needed for different bulk material, the micro mist scavenge unit of micro mist can be removed all the time expeditiously.
In the present invention, if when filter arranges the filter component with multiple filter hole at an upper portion thereof, conveying gas then can not be allowed to escape laterally from the bottom of filter, in filter, air blast occurs, the very large centrifugal force produced with this air blast can be separated micro mist expeditiously on the top of filter.In this case, when the lower, outer perimeter being attached to filter component arranges the lid structure of tubular, because the top of filter component more can allow conveying gas escape laterally more than bottom, stronger air-flow can occur in filter, the larger centrifugal action produced with this air-flow more effectively can carry out being separated of bulk material and micro mist in the top of filter component.
In the present invention, when additional streams outlet makes the conveying gas of inflow filter and micro mist from the structure tangentially flowed out between the bottom and the bottom of filter of sleeve pipe, then can produce the air-flow rotating and flow downwards between sleeve pipe and filter, the conveying gas of inflow filter and micro mist are flowed out from the flow export of bottom.
In the present invention, when additional streams outlet makes the conveying gas of inflow filter and micro mist from the structure tangentially flowed out between the top and the top of filter of sleeve pipe, then can produce the air-flow rotating and flow upward between sleeve pipe and filter, the conveying gas of inflow filter and micro mist are flowed out from the flow export on top.
Accompanying drawing explanation
Fig. 1 is the side-looking key diagram of the embodiment 1 representing the micro mist scavenge unit that the present invention relates to.
Fig. 2 be the embodiment 1 representing the micro mist scavenge unit that the present invention relates to overlook key diagram.
Fig. 3 represents the using state figure of the embodiment 1 of the micro mist scavenge unit that the present invention relates to.
Fig. 4 is the side-looking key diagram of the embodiment 2 representing the micro mist scavenge unit that the present invention relates to.
Fig. 5 is the side-looking key diagram of the embodiment 3 representing the micro mist scavenge unit that the present invention relates to.
Fig. 6 is the side-looking key diagram representing common micro mist scavenge unit one example.
Description of reference numerals
3 sleeve pipes
4 filters
4a filter component
5 resin materials (bulk material)
8 filter holes
9 air (conveying gas)
10 inflow entrances
11 micro mists
12 flow exports
12a flow export
20 lids
Detailed description of the invention
Below according to drawings and embodiments the embodiment of the micro mist scavenge unit that the present invention relates to is described.
Embodiment 1
Fig. 1 is the side-looking key diagram of the embodiment 1 representing the micro mist scavenge unit that the present invention relates to, Fig. 2 be the embodiment 1 representing the micro mist scavenge unit that the present invention relates to overlook key diagram.As shown in Figure 1, 2, the micro mist scavenge unit of embodiment 1, upper cover 1 encloses upper opening, the filter 4 of the interior configuration tubular of cylindrical sleeve 3 that lower openings is closed by base plate 2, it is the rounding conical surface of axle that filter 4 is arranged in the center line of the direction of principal axis of sleeve pipe 3 (above-below direction of Fig. 1 paper), and form inverted cone trapezoidal, upper opening is closed by upper cover 1, bottom is run through base plate 2 and is passed in the downside of sleeve pipe 3, forms the outlet 6 of bulk material 5 in lower openings.Outlet 6 is arranged with the regulator (damper) 7 of fulcrum 7a for fulcrum rotatable (opening and closing).
Again, the cylindrical portion of sleeve pipe 3 and filter 4 are divided into upper and lower two parts in the plane at a right angle with its axis, the top of the filter 4 in the upper cylindrical portion 3a of sleeve pipe 3 is made up of punch metal plate or wire netting, form the filter component 4a with multiple filter hole 8, the bottom of the filter 4 in the lower cylindrical portion 3b shorter than the upper cylindrical portion 3a of sleeve pipe 3 is formed by not having the metallic plate of aeration, forms non-filter portion 4b.
Again, non-filter portion 4b, run through in the outside of lower cylindrical portion 3b in the non-filter portion 4b of this lower cylindrical portion 3b, the inflow entrance 10 making the conveying gas 9 of bulk material 5 and this bulk material 5 tangentially flow into short pipe arrangement shape is set, at lower cylindrical portion 3b, setting can the conveying gas 9 of filter hole 8 of inflow filter portion 4a and micro mist 11 be formed from the annulus between lower cylindrical portion 3b and non-filter portion 4b, thus the outside being able to arrange downward cylindrical portion 3b at the height and position close to base plate 2 flows to the flow export 12 of the short pipe arrangement shape of tangential direction.
Fig. 3 represents the using state relating to the embodiment 1 of micro mist scavenge unit of the present invention.As shown in Figure 3, for remove when resin forming because of formed bad and produce comprise resin material (resin particle), or the micro mist occurred in the aspiration-type Pipeline transport operation to forming machine etc. and foreign matter, arrange the micro mist scavenge unit of embodiment 1 on the top of the resin material feeding hopper 14 of forming machine 13, outlet 6 is opened on resin material feeding hopper 14 between regulator 7.Inflow entrance 10 is connected by the storagetank 15 of pipe arrangement with the resin material 5 as bulk material, and flow export 12 is connected by the suction inlet of induced-draught fan 16 of pipe arrangement and supply gas motion energy or the fluid apparatus that improves pressure.There is between flow export 12 and induced-draught fan 16 dust collect plant 17.
Below the action of the micro mist scavenge unit of embodiment 1 is described.
When not putting into resin material 5 in storagetank 15, once drive induced-draught fan 16, air in annulus between lower cylindrical portion 3b and non-filter portion 4b just tangentially flows out from flow export 12, annulus between lower cylindrical portion 3b and non-filter portion 4b flows into the air in the annulus between cylindrical portion 3a and filter part 4a, the annulus of air from filter hole 8 inflow between cylindrical portion 3a and filter part 4a of the inside of filter part 4a, the inside of the air inflow filter portion 4a of 4b inside, non-filter portion, regulator 7 is free and open, the air of resin material feeding hopper 14 inside flows into the inside of non-filter portion 4b from the outlet 6 opened, air simultaneously inside and outside storagetank 15 enters inflow entrance 10, but during because starting to flow into outlet 6 when air, regulator 7 is closed by this air-flow, outlet 6 is also closed thereupon, air inside and outside storagetank 15 tangentially can only flow into the inside of non-filter portion 4b from inflow entrance 10.
By means of from inflow entrance 10 tangentially leaked-in air, in the inside of filter 4, produce and rotate along turbination filter 4 inner face the upwards spiral air flow 18 (spiral shown in Fig. 1 solid line) formed from lower to upper part flowing, annulus between sleeve pipe 3 and filter 4 produces the downward spiral air flow 19 (spiral shown in Fig. 1 dotted line) rotating and flow downward, and the driving that these spiral air flows 18,19 are maintained to induced-draught fan 16 stops.
Therefore, when resin material 5 is put into storagetank 15, through the Pipeline transport (air conveying) of aspiration-type, resin material 5 tangentially flows into from inflow entrance 10 together with the inside and outside air (conveying air) 9 of storagetank 15, because of the upwards spiral air flow 18 that the inside of filter 4 produces, the resin material 5 tangentially flowed into together with air 9 from inflow entrance 10 is by means of spiral air flow 18 upwards, flow from lower to upper part in rotation limit, inner face limit in the inside of filter 4 along turbination filter 4, as long as there is spiral air flow 18, that is, before induced-draught fan 16 stops driving, resin material 5 is just trapped in filter 4.
Now, by means of centrifugal force, resin material 5, can with wherein comprise or the micro mist 11 that occurred in aspiration-type Pipeline transport operation etc. before entering forming machine 13 be separated with foreign matter.The micro mist 11 less than filter hole 8 and foreign matter pass through filter hole 8 together with flow into the air 9 of the annulus between cylindrical portion 3a with filter part 4a from the inside of filter part 4a, and the downward spiral air flow 19 produced in the annulus between sleeve pipe 3 and filter 4 collaborates, rotation limit, limit flows downward, and tangentially flows out together with air 9 from flow export 12.That is discharge outside device.The micro mist 11 comprised in the air 9 of discharging outside device and foreign matter are reclaimed by dust collect plant 17, and the outlet through induced-draught fan 16 discharges clean air 9 to air.
Then, after according to resin material 5, suitably setting is trapped in time (time of different micro mist 11 and foreign matter needed for removing according to the resin material 5) past in device, because induced-draught fan 16 stops driving, namely the spiral air flow 18,19 produced inside and outside filter 4 disappears, therefore the resin material 5 utilizing spiral air flow 18 upwards it to be forced to be detained in filter 4 falls because of its deadweight, and meanwhile regulator 7 is also opened.Therefore, flowed out from outlet 6 by the clean resin material 5 after disposing expeditiously as the micro mist 11 of target and foreign matter.That is, resin material 5 is discharged to the resin material feeding hopper 14 outside device, is then put into forming machine 13.Therefore, when resin forming, can effectively suppress micro mist 11 and foreign matter are mixed into resin material 5 and cause shaping bad situation to occur.
As mentioned above, in the micro mist scavenge unit of embodiment 1, the rounding conical surface that it is axle that filter 4 is positioned at the center line of sleeve pipe 3, inflow entrance 10 utilizes structure resin material 5 and air 9 tangentially flowed into from the bottom of filter 4, by means of from inflow entrance 10 tangentially leaked-in air 9 in filter 4, produce the upwards spiral air flow 18 flowed from lower to upper part along rotation limit, turbination filter 4 inner face limit, as long as this spiral air flow 18 exists, resin material 5 just can be detained in filter 4, therefore the time that resin material 5 is detained in device can be set arbitrarily, guarantee the time removing required different micro mist 11 and foreign matter according to resin material 5, be able to remove micro mist 11 and foreign matter expeditiously all the time.
Again, filter 4 is by means of the structure filter component 4a with many filter holes 8 being arranged at top, air 9 can not be escaped laterally from filter 4 bottom, strong upwards spiral air flow 18 can be there is in filter 4, the powerful centrifugal action produced with this air-flow, on the top of filter 4, is isolated micro mist 11 and foreign matter expeditiously.
Embodiment 2
Fig. 4 is the side-looking key diagram representing the embodiment 2 relating to micro mist scavenge unit of the present invention.As shown in Figure 4, the micro mist scavenge unit of embodiment 2 is except arranging except tubular lid 20 this point in the lower, outer perimeter of filter part 4a, also have the 26S Proteasome Structure and Function identical with the micro mist scavenge unit of embodiment 1, the part identical to the micro mist scavenge unit with embodiment 1 is marked with identical symbol.
Lid 20 is formed by not having the metallic plate of aeration, being positioned at the center line of the direction of principal axis of sleeve pipe 3 (above-below direction of the paper of Fig. 4) is the rounding conical surface of axle, form rounding taper type, from top to bottom, identical gap is set between filter part 4a, is arranged at the lower, outer perimeter of filter part 4a.
In the dust scavenge unit of embodiment 2, compared with the bottom having the filter part 4a of lid 20 with outside, the air not having the top of lid 20 to escape laterally is more, therefore stronger spiral air flow 18 upwards can be there is in filter 4, with this air-flow, being separated of micro mist 11 and foreign matter more effectively can be carried out in the top of playing the filter 4 of greater role at centrifugal force.
Herein, do not had by outside the air 9 on the top of the filter part 4a of lid 20, micro mist 11 and foreign matter and filter part 4a upper outside, cover the outside of 20, downward spiral air flow 19 that the outside of non-filter portion 4b produces collaborates, tangentially flow out from flow export 12.Again, the bottom of the filter part 4a of lid 20 is had in outside, also air 9 is had, micro mist 11 and foreign matter pass through, flow into the annulus between lid 20 and filter part 4a, also downward spiral air flow can be produced herein, therefore the air 9 of the annulus between lid 20 and filter part 4a is flowed into by the bottom of filter part 4a, micro mist 11 and foreign matter, collaborate with the downward spiral air flow produced herein, flow out from the annulus between the downward cylindrical portion 3b in gap between the lower end and the lower end of filter part 4a of lid 20 and non-filter portion 4b, collaborate with the downward spiral air flow 19 produced herein, tangentially flow out from flow export 12.
Also have, lid 20 is parallel with filter part 4a in the diagram to be arranged, but tiltable is arranged so that the gap between lid 20 and filter part 4a is large in upper end at the lower end of lid 20 ratio, or be obliquely installed as very close to each other in the upper end of lid 20, or be set to the cylindrical shape parallel with the upper cylindrical portion 3a in outside, and make in the upper end of lid 20 very close to each other.
Embodiment 3
Fig. 5 is the side-looking key diagram representing the embodiment 3 relating to micro mist scavenge unit of the present invention.In embodiment 1, in the micro mist scavenge unit of 2, for the bottom of sleeve pipe 3, flow export 12 is set in tangential direction, make the air 9 by filter 4, micro mist 11 and foreign matter tangentially can flow out between the bottom of sleeve pipe 3 (lower cylindrical portion 3b) and the bottom (non-filter portion 4b) of filter 4, relatively, as shown in Figure 5, in the micro mist scavenge unit of embodiment 3, for the top of sleeve pipe 3, preferably topmost, flow export 12a is set in tangential direction, make the air 9 by filter 4, micro mist 11 and foreign matter are from the top of sleeve pipe 3, the preferably top of topmost (topmost of upper cylindrical portion 3a) and filter 4, preferably tangentially flow out between topmost (topmost of filter part 4a), this point and embodiment 1, 2 have a great difference, lid 20 this point arranging tubular in the lower, outer perimeter of filter part 4a is identical with the micro mist scavenge unit of embodiment 2.
Again, in order to the top for sleeve pipe 3 arranges flow export 12a in tangential direction, sleeve pipe 3 has the upper cylindrical portion 30a larger than lower cylindrical portion 3b diameter and clogs the poor plate 30c of circular segment in the poor face of section between the upper cylindrical portion 30a of this different-diameter and lower cylindrical portion 30b, and the annulus between the top of the top of sleeve pipe 3 and filter 4 can be expanded to radial outside.
Again, blade of a sword portion 20a in the outside ring-type closed in lid 20 and the gap of upper cylindrical portion 30a immediately below flow export 12a is arranged in the upper end of lid 20, the lower blade of a sword portion 20b of the ring-type closed in the gap between itself and the lower end (upper end of non-filter portion 4b) of filter part 4a is set in the lower end of lid 20, on the top of sleeve pipe 3, preferably topmost forms the ring-type outflow space 30 of the flow export 12a had in tangential direction, and top and the outflow space 30 of the annulus simultaneously closed the bottom between lid 20 and filter part 4a are connected.
In the micro mist scavenge unit of embodiment 3, do not had by outside the air 9 on the top of the filter part 4a of lid 20, micro mist 11 and foreign matter to flow directly into outflow space 30, collaborate with the gyration airflow 19a produced herein, tangentially flow out from flow export 12a.Again, outside has the bottom of the filter part 4a of lid 20 also to have air 9, micro mist 11 and foreign matter to pass through, flow into the annulus between lid 20 and filter part 4a, but owing to producing spiral air flow upwards herein, so pass through the bottom of filter part 4a, flow into the air 9 of the annulus between lid 20 and filter part 4a, micro mist 11 and foreign matter and the spiral air flow upwards that produces collaborates herein, inflow and outflow space 30, collaborate with the swirling eddy 19a produced herein, tangentially flow out from flow export 12a.
Further, the micro mist scavenge unit of embodiment 3 has structure, the function identical with the micro mist scavenge unit of embodiment 1,2, and the part identical with the micro mist scavenge unit of embodiment 1,2 is marked with identical symbol.Again, the diameter of the lower cylindrical portion 3b of sleeve pipe 3 also can be made consistent with the diameter of upper cylindrical portion 30a, not the section of existence difference plate 30c.
In this embodiment, describe the present invention with the micro mist scavenge unit of the aspiration-type Pipeline transport being applicable to well-known bulk material, but the present invention is not limited thereto, can implement in a variety of manners in the scope not departing from its main idea.Such as, go for the pressure sending type Pipeline transport of well-known bulk material, also go for the scavenge unit of the Pipeline transport taking nitrogen or carbon dioxide as conveying gas.Again, in this embodiment, carry out Pipeline transport with to a kind of bulk material, the device removing micro mist describes the present invention, but also goes for carrying out Cemented filling to multiple bulk material, mixes simultaneously, removes the device of micro mist.
Claims (5)
1. a micro mist scavenge unit, possess cylindrical sleeve, the cartridge filter be configured in described sleeve pipe, the conveying gas of bulk material and described bulk material flowed into the inflow entrance in described filter and makes the described conveying gas of the described filter of inflow and micro mist from the flow export tangentially flowed out between described sleeve pipe and described filter, it is characterized in that
Described filter bits in the rounding conical surface being axle with the center line of described sleeve pipe,
Described inflow entrance can make described bulk material and described conveying gas tangentially flow into from described filter bottom.
2. micro mist scavenge unit according to claim 1, is characterized in that, filter arranges the filter component with multiple filter hole at an upper portion thereof.
3. micro mist scavenge unit according to claim 2, is characterized in that, arranges the lid of tubular in the lower, outer perimeter of filter component.
4. the micro mist scavenge unit according to any one in claims 1 to 3, is characterized in that, flow export makes the conveying gas of inflow filter and micro mist tangentially flow out between the bottom and the bottom of filter of sleeve pipe.
5. the micro mist scavenge unit according to any one in claims 1 to 3, is characterized in that, flow export makes the conveying gas of inflow filter and micro mist tangentially flow out between the top and the top of filter of sleeve pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010090124A JP5401392B2 (en) | 2010-04-09 | 2010-04-09 | Fine powder removal device |
| JP2010-090124 | 2010-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102233326A CN102233326A (en) | 2011-11-09 |
| CN102233326B true CN102233326B (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110089536.1A Active CN102233326B (en) | 2010-04-09 | 2011-04-01 | Micropowder removing device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5401392B2 (en) |
| CN (1) | CN102233326B (en) |
| TW (1) | TWI539503B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5695874B2 (en) * | 2010-10-12 | 2015-04-08 | 株式会社カワタ | Fine powder removal device |
| CN107922628B (en) | 2015-08-12 | 2021-07-30 | 宇部兴产株式会社 | Resin particle group, resin film, spacer, sorting device, and sorting method |
| WO2020112181A2 (en) | 2018-08-06 | 2020-06-04 | Tti (Macao Commericial Offshore) Limited | Vacuum cleaner |
| JP6784421B1 (en) * | 2019-07-18 | 2020-11-11 | 株式会社セイホー | Foreign matter sorter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3694124B2 (en) * | 1996-10-15 | 2005-09-14 | 株式会社カワタ | hopper |
| JP2007050354A (en) * | 2005-08-18 | 2007-03-01 | Sangyo Kiden Kk | Powder extraction apparatus |
| JP4344730B2 (en) * | 2006-02-15 | 2009-10-14 | 株式会社綾川エアーシステム | Particulate matter removal device |
| JP5049227B2 (en) * | 2008-08-18 | 2012-10-17 | 帝人化成株式会社 | Cyclone-type air flow application separation device and method for determining cut waste using the same |
-
2010
- 2010-04-09 JP JP2010090124A patent/JP5401392B2/en active Active
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2011
- 2011-04-01 CN CN201110089536.1A patent/CN102233326B/en active Active
- 2011-04-01 TW TW100111546A patent/TWI539503B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011218292A (en) | 2011-11-04 |
| JP5401392B2 (en) | 2014-01-29 |
| TWI539503B (en) | 2016-06-21 |
| TW201145371A (en) | 2011-12-16 |
| CN102233326A (en) | 2011-11-09 |
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