CN101758022A - Jet airflow separator - Google Patents

Jet airflow separator Download PDF

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Publication number
CN101758022A
CN101758022A CN200910214384A CN200910214384A CN101758022A CN 101758022 A CN101758022 A CN 101758022A CN 200910214384 A CN200910214384 A CN 200910214384A CN 200910214384 A CN200910214384 A CN 200910214384A CN 101758022 A CN101758022 A CN 101758022A
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CN
China
Prior art keywords
air
airflow separator
jet airflow
inclined plane
wood chip
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Pending
Application number
CN200910214384A
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Chinese (zh)
Inventor
浦强
范诗腾
王军煌
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FOSHAN WARDSON BOARD INDUSTRY Co Ltd
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FOSHAN WARDSON BOARD INDUSTRY Co Ltd
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Priority to CN200910214384A priority Critical patent/CN101758022A/en
Publication of CN101758022A publication Critical patent/CN101758022A/en
Pending legal-status Critical Current

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Abstract

The invention particularly relates to a jet airflow separator, which utilizes jet streams to separate impurities in the wood chips, and is particularly suitable for separating the heavy impurities in the wood chips. The jet airflow separator comprises a shell, a fan air duct and a separation air field, wherein the fan air duct comprises a fan, an air pipe and air nozzles; an air supply outlet of the fan is connected with one end of the air pipe, while the other end is connected with the air nozzles; and the air nozzles are communicated with the separation air field. The jet airflow separator is characterized in that: the upper part of the separation air field is provided with a feed inlet, while the lower end is provided with a discharge hole; the discharge hole is provided with a separating board for separating the impurities from the wood chip; one side of the separation air field is an inclined plane; the air nozzles are formed on the inclined plane; at least two sets of the air nozzles are arranged on the inclined plane from top to bottom; an air cavity is formed between the air pipe and the air nozzles; and the opposite side of the air nozzles is provided with a dust and sawdust discharge port. The jet airflow separator adopting the structure has reasonable structure design, is very energy-saving and has good separation effect.

Description

A kind of jet airflow separator
Technical field
The present invention is specifically related to a kind of jet airflow separator that utilizes impurity in the Jet Stream sorting wood chip, is particularly useful for the sorting of weight impurity in the wood chip.
Background technology
In the wood-based plate manufacturing was produced, particularly particieboard and medium density fibre board (MDF) when raw material being broken into required wood chip and carrying out next step processing, need carry out removal of impurities to wood chip and handle, and are especially utilizing waste wood to carry out Wood-based Panel Production.At present, in the method for the wood chip removal of impurities, pneumatic separation is a kind of than more efficient, general impurity-removing method.The airflow separator of being taked in most of Wood-based Panel Production, general employing jet airflow separator shown in Figure 1, mainly by casing 8, be installed in the blanking port 10 and the material sucking port 11 of casing 8 tops, be installed in the air inlet 12 and the impurity of casing 8 belows, thick wood chip outlet 13 is formed, the top of air inlet 12 is provided with screen cloth 14, material sucking port 11 places are provided with blower fan, also be provided with by motor-driven rotation setting gauge 9 in the bottom of casing 8, during work, material sucking port 11 is producing the come-up air-flow in cavity 15 under the effect of blower fan, the sorting wood chip for the treatment of that charging aperture 10 drops into mainly is to rely on the difference of the vertical suspension speed of object in air-flow to carry out sorting.Floating velocity depends primarily on the density and the form of object, since the density of wood chip and form all and impurity wherein differ greatly, therefore can utilize wood chip and other impurity floating velocity differences to carry out removal of impurities, under the come-up air-flow and the suction function of material sucking port 11 of the less wood chip of density and form in cavity 15, extract out from material sucking port 11, sandstone, metal impurities are then discharged from impurity outlet 13, realize sorting purposes.The airflow separator of this structural design, because the wood chip volume of processing in the Wood-based Panel Production is bigger, therefore needed floating velocity is also bigger, and promptly the wind speed in screening installation is had relatively high expectations, and the energy consumption of generation is just bigger.Simultaneously, because the equipment more complicated, input ratio is bigger.Problems such as therefore, it is bigger that the present pneumatic separation equipment that generally uses in the wood-based plate industry exists investment, and energy consumption is excessive.
Summary of the invention
The object of the present invention is to provide a kind of reasonable in design and energy-conservation jet airflow separator.
Another object of the present invention is to provide a kind of jet airflow separator of good separation effect.
The object of the present invention is achieved like this: a kind of jet airflow separator, comprise casing, blower fan air channel and sorting wind field, the blower fan air channel comprises blower fan, airduct and puff prot, the air outlet of blower fan connects airduct one end, the airduct other end connects puff prot, puff prot is communicated with the sorting wind field, it is characterized in that: the top of described sorting wind field has charging aperture, the lower end is a discharging opening, on discharging opening, be provided with the demarcation strip of separating impurity and wood chip, described sorting wind field one side is the inclined plane, and puff prot is located on this inclined plane.
Described inclined plane is arranged with at least two group puff prots from top to down.
Be provided with air cavity between described airduct and the puff prot.
The opposite of described puff prot is provided with dust wood chip outlet.
The angle of inclination on described inclined plane is adjustable bascule.
Described charging aperture place is provided with guiding and treats that branch selects materials along the oriented baffle plate of inclined plane landing.
The angle of inclination of described oriented baffle plate is adjustable bascule.
The demarcation strip at described discharging opening place is installed on the slide block, and slide block is installed on the chute, slide block can be on chute move left and right, to regulate the discharging opening size of impurity and wood chip.
Good effect of the present invention is: because sorting wind field one side is designed to the inclined plane, puff prot is opened on the inclined plane, discharging opening is located at the bottom of sorting wind field, this structural design, during sorting, the wood chip that contains impurity drops on the inclined plane with certain angle of inclination from feed arrangement, the air-flow that blower fan produces by blower fan and after the airduct that connects import puff prot, ejecting air-flow rolls wood chip and impurity generation, wood chip and other weights can fully be subjected to the effect of air-flow, and aloft as far as possible separately, the back is according to density, the difference of shape size is separated, the impurity that density is big falls within nearby, the falling within a distance of the wood chip that density is little.Carry out sorting compared with traditional difference of utilizing wood chip vertical suspension speed, its power requires relatively low, and therefore comparatively energy-conservation, structural design is very reasonable.
As a further improvement on the present invention, the inclined plane is arranged with at least two group puff prots from top to down, after treating that the sorting wood chip is through first group of puff prot sorting, some impurity that sheltered from by the bulk wood chip are under the wind field active force through after rolling, and during through other puff prot of bottom, will be separated, adopt the jet airflow separator of this structure, treat the sorting wood chip through after the sorting repeatedly, the probability that impurity is sub-elected improves greatly, so impurity and wood chip separating effect are better.Be provided with air cavity between airduct and puff prot, like this, the blast of each puff prot is even, and the impurity separating effect of sorting wind field can be better.Dust wood chip outlet is set on the opposite of puff prot, dust and wood chip can be extracted out.
In addition, the angle of inclination on inclined plane is designed to adjustable bascule, can be according to the size for the treatment of the sorting wood chip, and form and moisture content are rationally regulated, to reach best separating effect.But the demarcation strip at discharging opening place is designed to the bascule of left and right adjusting, can choose reasonable impurity and the discharging opening size of wood chip according to separating effect.
Description of drawings
Fig. 1 is the jet airflow separator structural representation of prior art;
Fig. 2 is a jet airflow separator structural representation of the present invention;
Fig. 3 is a jet airflow separator fundamental diagram of the present invention.
Wherein: among Fig. 1, Fig. 3
Circlec method is represented metal, sandstone
Arrow The expression wood chip
Point is represented dust
Big star
Figure G2009102143846D00034
The expression wood chip
Arrow Expression air-flow, material traffic direction
The specific embodiment
Be described in further detail below in conjunction with the specific embodiment of accompanying drawing jet airflow separator of the present invention:
Embodiment: as shown in Figure 2, jet airflow separator of the present invention, mainly by casing 1, blower fan air channel 2 and sorting wind field 3 are formed, blower fan air channel 2 comprises blower fan 20, airduct 21 and puff prot 22, the air outlet of blower fan 20 connects airduct 21 1 ends, airduct 21 other ends connect puff prot 22, puff prot 22 is communicated with sorting wind field 3, the top of sorting wind field 3 has charging aperture 30, the lower end is a discharging opening 31, be provided with the demarcation strip 4 of separating impurity and wood chip on discharging opening 31, the side that sorting wind field 3 is positioned at puff prot 22 is inclined plane 32, and inclined plane 32 can be integral planar, also can be that a plurality of little inclined planes are spliced, when spliced on a plurality of little inclined planes, spliced before and after can being successively on each inclined plane, also can be the setting that height fall is arranged.In order to reach separating effect preferably, many group puff prots 22 are preferably arranged at 32 places, inclined plane from top to down, generally to there be two groups at least, present embodiment has seven groups of puff prots 22, the size of each puff prot can be identical, also can be different, can form by a big flat air outlet, also can be that a plurality of horizontal little air outlets are side by side formed.In order to make each puff prot 22 air pressure even, between airduct 21 and puff prot 22, be provided with air cavity 23.Since treat the sorting wood chip material, vary in size, the optimum tilt angle on inclined plane 32 is different, preferably inclined plane 32 is designed to adjustable bascule.In order to remove dust, the wood chip for the treatment of in the sorting wood chip, be provided with dust wood chip outlet 33 on the opposite of puff prot.
In addition,, be provided with guiding at charging aperture 30 places and treat the oriented baffle plate 5 of sorting wood chip, the tilt adjustable joint of oriented baffle plate 5 along the inclined plane landing in order to control the position, whereabouts of charging aperture size and wood chip.Owing to treat that there are uncertain factor in impurity ratio, the size of sorting wood chip, when impurity for a long time, it is big that possible impurity discharging opening is wanted, impurity after a little while, the impurity discharging opening is corresponding will to be reduced, therefore, but the demarcation strip 4 at discharging opening 31 places is designed to the bascule of left and right adjusting, demarcation strip 4 is installed in by an affixed slide block 6 on the chute 7 at discharging opening 31 places, slide block 6 can be on chute 7 move left and right, to regulate the discharging opening size of impurity and wood chip.
Fig. 3 is a fundamental diagram of the present invention, treat that the sorting wood chip is behind charging aperture 30 blankings, under the effect of oriented baffle plate 5,32 slide the whereabouts along the inclined plane, through seven groups of puff prots 22 time, through sorting from level to level, the sorting wood chip for the treatment of in the whereabouts constantly rolls, impurity greatly reduces the possibility that the dead angle occurs separating through each separation, and separating effect is very good.The wind direction of puff prot 22 can be designed to the level blowing as required, and blowing or downward-sloping blowing are inclined upwardly.Since each batch treat differing of sorting wood chip, according to separating effect, demarcation strip 4 can be adjusted to correct position by slide block 6, to improve the yield of available wood chip.

Claims (8)

1. jet airflow separator, comprise casing, blower fan air channel and sorting wind field, the blower fan air channel comprises blower fan, airduct and puff prot, and the air outlet of blower fan connects airduct one end, and the airduct other end connects puff prot, puff prot is communicated with the sorting wind field, it is characterized in that: the top of described sorting wind field has charging aperture, and the lower end is a discharging opening, is provided with the demarcation strip of separating impurity and wood chip on discharging opening, described sorting wind field one side is the inclined plane, and puff prot is located on this inclined plane.
2. jet airflow separator according to claim 1 is characterized in that: described inclined plane is arranged with at least two group puff prots from top to down.
3. jet airflow separator according to claim 1 and 2 is characterized in that: be provided with air cavity between described airduct and the puff prot.
4. jet airflow separator according to claim 1 and 2 is characterized in that: the opposite of described puff prot is provided with dust wood chip outlet.
5. jet airflow separator according to claim 1 is characterized in that: the angle of inclination on described inclined plane is adjustable bascule.
6. jet airflow separator according to claim 1 is characterized in that: described charging aperture place is provided with guiding and treats that branch selects materials along the oriented baffle plate of inclined plane landing.
7. jet airflow separator according to claim 6 is characterized in that: the angle of inclination of described oriented baffle plate is adjustable bascule.
8. jet airflow separator according to claim 1 is characterized in that: the demarcation strip at described discharging opening place is installed on the slide block, and slide block is installed on the chute, slide block can be on chute move left and right, to regulate the discharging opening size of impurity and wood chip.
CN200910214384A 2009-12-25 2009-12-25 Jet airflow separator Pending CN101758022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910214384A CN101758022A (en) 2009-12-25 2009-12-25 Jet airflow separator

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Application Number Priority Date Filing Date Title
CN200910214384A CN101758022A (en) 2009-12-25 2009-12-25 Jet airflow separator

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CN101758022A true CN101758022A (en) 2010-06-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106238328A (en) * 2016-08-26 2016-12-21 新昌县科宇机械有限公司 A kind of easy wood shavings sorting unit
CN106238332A (en) * 2016-08-26 2016-12-21 新昌县科宇机械有限公司 A kind of wood shavings sorting unit
CN108607809A (en) * 2018-05-30 2018-10-02 上海意丰机电科技开发有限公司 A kind of multistage feed powder grading plant and its method
CN110863271A (en) * 2019-11-18 2020-03-06 大连中歆一品机械有限公司 Biomass fiber winnowing device
CN111213487A (en) * 2020-03-17 2020-06-02 山东省林木种苗和花卉站 Device for collecting seeds of platycladus orientalis and using method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106238328A (en) * 2016-08-26 2016-12-21 新昌县科宇机械有限公司 A kind of easy wood shavings sorting unit
CN106238332A (en) * 2016-08-26 2016-12-21 新昌县科宇机械有限公司 A kind of wood shavings sorting unit
CN106238328B (en) * 2016-08-26 2020-05-22 新昌县科宇机械有限公司 Simple wood shaving sorting device
CN106238332B (en) * 2016-08-26 2020-05-26 新昌县科宇机械有限公司 Wood shaving sorting device
CN108607809A (en) * 2018-05-30 2018-10-02 上海意丰机电科技开发有限公司 A kind of multistage feed powder grading plant and its method
CN110863271A (en) * 2019-11-18 2020-03-06 大连中歆一品机械有限公司 Biomass fiber winnowing device
CN111213487A (en) * 2020-03-17 2020-06-02 山东省林木种苗和花卉站 Device for collecting seeds of platycladus orientalis and using method thereof

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Application publication date: 20100630