KR20100118096A - Product equipment for both wood chip and sawdust - Google Patents

Product equipment for both wood chip and sawdust Download PDF

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Publication number
KR20100118096A
KR20100118096A KR1020100098904A KR20100098904A KR20100118096A KR 20100118096 A KR20100118096 A KR 20100118096A KR 1020100098904 A KR1020100098904 A KR 1020100098904A KR 20100098904 A KR20100098904 A KR 20100098904A KR 20100118096 A KR20100118096 A KR 20100118096A
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KR
South Korea
Prior art keywords
sawdust
wood
wood chip
wood chips
crushing
Prior art date
Application number
KR1020100098904A
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Korean (ko)
Inventor
김권호
노재정
Original Assignee
주식회사 그린에버텍
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Filing date
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Priority to KR1020100098904A priority Critical patent/KR20100118096A/en
Publication of KR20100118096A publication Critical patent/KR20100118096A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2216Discharge means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2225Feed means
    • B02C18/2241Feed means of conveyor belt type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives

Abstract

The present invention relates to a wood chip and sawdust combine manufacturing apparatus, the wood chip and sawdust combine manufacturing apparatus is produced by the wood chips by the wood chip maker 20 installed in the crushing drum 21, wood produced By discharging the chips to the outside as it is, or to manufacture the wood chips produced by the sawdust by the sawdust maker 30 is installed with a crushing drum 31, the present invention can be produced separately by separating wood chips and sawdust In addition, wood chips can be reprocessed to produce sawdust. In addition, the finely divided sawdust according to the size, the separated finely ground sawdust is again crushed to produce a uniform high quality sawdust has the effect of significantly improving the productivity.

Description

{PRODUCT EQUIPMENT FOR BOTH WOOD CHIP AND SAWDUST}

The present invention relates to a wood chip and sawdust combined production device, in detail to produce a wood chip in the form of shredded wood by shredding the lumber or waste wood, or to finely crush the wood chip again to produce sawdust It relates to a wood chip and sawdust combined production apparatus that can be.

Generally, wood chips and sawdust are used for mushroom cultivation, insect breeding, livestock manure treatment, pet rugs, fuels, construction materials, pigs, poultry, barns, flooring, fertilizer, compost, landscaping and other industrial facilities. Etc., and the usage is gradually increasing in the livestock farms and factories.

Therefore, there is a need for a sawdust manufacturing apparatus that can rapidly and conveniently produce sawdust in a rapid increase in various sizes, and also improves productivity by cost reduction.

BACKGROUND ART Generally, a sawdust production machine used for manufacturing sawdust includes a supply portion equipped with a raw material supply means such as a roller, a chain, or a hopper, a crushing portion communicating with the supply portion, a drive for driving a crushing drum or a cutter formed in the crushing portion, It consists of a motor and a collection box installed in the lower part of the crushing unit.

And the grinding drum or cutter is rotated at a high speed by the drive motor to crush the wood supplied from the supply in the form of wood chips or sawdust. In the configuration of the grinding cutter, a plurality of cutters or blades of various types are coupled between a plurality of fixing holders or grooves formed along the drum circumferential surface, and a predetermined gap is formed between the cutters or the blades. Defects such as sawdust are not uniform.

Therefore, due to the above problem, the conventional sawdust maker is a separate process, that is, after collecting the crushed sawdust, the separated sawdust separated according to the size, and an additional device for re-crushing the separated pulverized sawdust into a separate device and means Only when accompanied by a situation that can obtain a good quality sawdust having a uniform particle size.

The present invention has been invented to solve the above problems, is to separate the finely divided sawdust, move to the separated finely ground sawdust grinding space and then crushed again to produce a good quality wood chips with a uniform size And to provide a sawdust combined production device.

Therefore, the present invention relates to a wood chip and sawdust combined production apparatus, the wood chip and sawdust combined production apparatus is produced by the wood chips by the wood chip maker 20 installed in the crushing drum 21, The wood chips are discharged to the outside as it is, or the manufactured wood chips are characterized in that they are manufactured as sawdust by the sawdust maker 30 in which the drum 31 for grinding is installed.

The present invention wood chip and sawdust combined production device can be produced separately by separating the wood chip and sawdust, can produce a sawdust by producing a sawdust by processing the wood chip again. In addition, the finely divided sawdust according to the size, the separated finely ground sawdust is again crushed to produce a uniform high quality sawdust has the effect of significantly improving the productivity.

1 is a front view of the present invention wood chips and sawdust combined use apparatus
Figure 2 is a side view of the present invention wood chips and sawdust combined production device
Figure 3 is a perspective view of the present invention wood chips and sawdust combined use device crushing drum
Figure 4 is a perspective view of the present invention wood chips and sawdust combined production device grinding drum
Figure 5 is a perspective view of the blade for crushing wood chips and sawdust combined production device of the present invention
Figure 6 is a perspective view of the present invention wood chip and sawdust combined use device crushing hammer
Figure 7 is a perspective view of the grinding blade of the present invention wood chip and sawdust combined use device
Figure 8 is a detailed view of the present invention wood chips and sawdust combined crushing drum

The present invention relates to a wood chip and sawdust combine manufacturing apparatus, the wood chip and sawdust combine manufacturing apparatus is produced by the wood chips by the wood chip maker 20 installed in the crushing drum 21, wood produced The chips are discharged to the outside as it is, or the produced wood chips are characterized in that the sawdust manufacturing machine 30 is installed by the sawdust maker 30 is installed.

In addition, the wood is input by the raw material feeder 10 formed on the top of the wood chip and sawdust combine manufacturing device, the wood chip maker 20 is installed in the lower portion of the raw material feeder 10, the wood chip maker ( 20) the left and right conveying conveyors 23 and 24 are installed under a pair of shredding drums 21, and the wood chip hopper 22 below the left and right conveying conveyors 23 and 24. Is installed, and also connected to the left and right conveying conveyors (23, 24), the wood chip outlet 28 is formed on the side of the case of the wood chip and sawdust combined production device, the wood chip hopper 22 A sawdust maker 30 is installed at a lower portion thereof, and the sawdust maker 30 has a pair of grinding drums 31 equipped with grinding blades 35 and a case corresponding to the grinding blades 35. A recovery blade 36 fixed to each of the fixed blades 36 and a recovery conveyor installed under the grinding drum 31; 38).

In addition, at a lower intermediate position of the pair of grinding drums 31, the recovery guide 33 is spaced apart at a small interval such that sawdust does not escape on the recovery conveyor 38, and is also used for recovery. A sawdust guide 32 is provided between the conveyor 38 and the case wall.

The present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of the wood chips and sawdust combined production device of the present invention, Figure 2 is a side view of the wood chips and sawdust combined production device of the present invention. And Fig. 3 is a perspective view of the wood chip and sawdust mixing apparatus crushing drum of the present invention, Figure 4 is a perspective view of the crushing drum of the wood chips and sawdust combined production device of the present invention. Figure 5 is a perspective view of the wood chip and sawdust mixing device crushing blade of the present invention, Figure 6 is a perspective view of the wood chip and sawdust combined crushing hammer of the present invention. And Figure 7 is a perspective view of the wood chip and sawdust combined production device grinding blade of the present invention, Figure 8 is a detailed view of the drum crushing device of the present invention wood chips and sawdust combined production device.

Wood chips are crushed by crushed wood, and sawdust is crushed into fine pieces of wood chips. Sawdust manufacturing apparatus of the present invention in the form of a square barrel, the raw material feeder 10 and the wood chip maker 20 and the sawdust maker 30 are sequentially formed, the raw material inlet 11 is formed on the upper surface, The sawdust outlet 42 is formed, the wood chip outlet 28 is formed on the side.

The raw material feeder 10 is horizontally formed in the lower part adjacent to the raw material input port 11 in the form of a rectangular barrel. The upper surface of the raw material feeder is formed in communication with the raw material input port and the raw material outlet is formed on the lower surface. The raw material feeder can be used by using a feeder such as a hopper or a chute which is widely used in general industrial sites, and can be installed by adding several non-powered rollers to the inner side to smoothly feed raw materials.

The wood chip manufacturing machine 20 is formed by sequentially providing two shredding drums 21, two conveying conveyors 23 and 24, and a wood chip hopper 22.

Two shredding drums 21 are formed horizontally in the lower portion adjacent to the raw material feeder 10. The two crushing drums 21 are installed correspondingly in parallel, and a crushing space 29 is formed between the two crushing drums. In addition, each of the shredding drum 21 is rotated in the direction in which waste wood, which is a raw material, is introduced into the shredding space at the outlet of the raw material feeder (10). On the cylindrical surface of the crushing drum 21, grooves formed in parallel with the circumference are formed in an endless track, and a plurality of grooves are formed on the surface of the square cylinder at equal intervals.

In addition, in the groove formed on the surface of the drum for shredding, a plurality of shredding holders 27 for fixing the shredding blade 25 and the shredding hammer 26 are provided at equal intervals. And the crushing holder 27 is inserted into the groove of the crushing drum in the form of a square pillar and fixed with a bolt, the crushing blade 25 or crushing hammer 26 is fixed to the upper surface of the crushing holder. Also, the shredding blade and the shredding hammer are alternately installed.

Shredding blade 25 is divided into a body and a blade portion, the blade is formed at the end of the body. The cross section of the body is

Figure pat00001
The shape is divided into the upper surface and both sides, the upper surface is settled on the upper surface of the holder for crushing 27 and the crushing holder is inserted between both sides is fixed with a bolt. And the shape of the blade formed at the end of the body is straight, or '
Figure pat00002
','
Figure pat00003
It can be provided in various forms, such as a shape. In addition, when the crushing blade 25 is mounted on the crushing holder 27, the tightening direction of the bolt is made to be the opposite direction in which the crushing drum rotates to prevent loosening.

And the crushing hammer 26 is divided into a body and a hammer portion, the hammer is formed at the end of the body. The cross section of the body is

Figure pat00004
It is divided into the upper surface and both sides in the form, the upper surface is settled on the upper surface of the shredding holder, between the two sides of the shredding holder is inserted and fixed by bolts. And the shape of the hammer tip is straight, or
Figure pat00005
It may be provided in various forms, such as a '. Further, when the crushing hammer 26 is mounted on the crushing holder 27, the tightening direction of the bolt is opposite to the direction in which the crushing drum rotates to prevent loosening. And the material of the crushing hammer can be used by using cemented carbide.

Two conveying conveyors 23 and 24 are horizontally formed at the lower side adjacent to the crushing drum 21, respectively, and are installed on the left and right sides of the center line dividing the crushing space 29 virtually vertically. And one end of the right conveying conveyor 24 is connected to the wood chip outlet 28 formed on the right side of the sawdust manufacturing apparatus, the other end is formed in the center line that vertically bisects the shredding space. In addition, one end of the left conveying conveyor 23 is formed adjacent to the left side of the sawdust manufacturing apparatus, the other end is formed on the upper side adjacent to the other end of the right conveying conveyor 24, the left, right conveying conveyor (23, 24) Is formed to overlap to some extent in the center of the shredding space (29).

The conveying conveyors 23 and 24 are used to produce wood chips, to operate the wood chips manufactured in the crushing drum to be transferred to the wood chip outlets 28 to be shipped to the outside. In addition, when producing sawdust using wood chips, the other end of the conveying conveyors 23 and 24 is rotated downwardly about one end thereof so that the conveying conveyor is inclined toward the center line of the shredding space, so that the wood chips are downward. Will fall. In addition, the conveying conveyors 23 and 24 operate in an inclined direction so that the wood chips easily fall downward.

The wood chip hopper 22 is horizontally installed at the lower side adjacent to the conveying conveyors 23 and 24, and the inlet is formed on the upper surface of the wood chip hopper, and two outlets are formed on the lower surface. And two wood chip hopper 22 outlets are formed adjacent to both sides of the sawdust maker. Woodchip hoppers can be installed in the form of hoppers and chutes used in general industrial sites.

The rotating shaft formed at the center of the crushing drum and the output shaft of the reducer connected to the driving means such as an engine or a motor are connected to each other by connecting means such as a chain or a belt. The driving means for rotating the crushing drum can be used by using a technology that is widely used in industrial sites.

Therefore, when manufacturing wood chips as waste wood shredding particles, first, the driving means is operated to rotate the shredding drum 21, and then the mixed wood and the waste wood are introduced into the raw material feeder 10 formed on the shredding drum. The injected waste wood is introduced into the shredding space 29 between two shredding drums 21, and wood chips are produced by the shredding blade 25 and the shredding hammer 26 rotating. In addition, when the wood chips are shipped to the outside, the transport conveyors 23 and 24 are operated in a horizontal state, and the wood chips placed on the upper surface of the transport conveyors are discharged to the wood chip outlets 28 and then shipped to the outside.

Therefore, the wood chip manufacturing machine 20 is completed with the above configuration.

The sawdust maker 30 is provided under the wood chip hopper 22 and includes two pulverizing drums 31 and two fixed blades 36, a sawdust guide 32 and a recovering conveyor 38, a sawdust hopper 41 ) And the like are formed.

Two grinding drums 31 are formed horizontally on the lower side adjacent to the wood chip hopper 22. Two crushing drums (31) are provided correspondingly in parallel, and a crushing space (39) is formed between the crushing drum and the side of the sawmill manufacturing apparatus. In addition, the grinding drum rotates in the direction in which the wood chips are introduced into the grinding space 39 at the exit of the wood chip hopper 22. And a plurality of grooves are formed at equal intervals in the longitudinal direction of the cylinder on the surface of the grinding drum 31, the length of the groove is formed equal to the length of the cylinder.

In addition, a plurality of grinding holders 37 for fixing the grinding blades 35 are installed and fixed at equal intervals in the grooves formed on the grinding drum cylindrical surface. The grinding holder 37 has a square pillar shape, and the grinding blades 35 are fixed to the upper surface with bolts, and the lower surface is inserted into and fixed to the grooves of the grinding drum.

Grinding blade 35 serves as a square surface formed on one side in the shape of a square pillar. The lower surface of the grinding blade is fixed to the upper surface of the grinding holder 37. And the fixed blade 36 serves as a square surface formed on one side in the form of a thick plate and a narrow width of the blade, the other side is fixed to the sawdust manufacturing apparatus side. And the length of the fixed blade is formed to be equal to the length of the cylinder of the crushing drum.

The fixed blade 36 is formed horizontally in the pulverizing space 39 and is provided corresponding to the pulverizing blades 35 formed on the circumferential surface of the pulverizing drum. That is, when the grinding blades rotated and formed on the grinding drum 31 rotate once, they rotate while forming a parallel surface with the fixed blade once. In the crushing space 39, when the crushing drum is viewed from the front, a parallel surface is formed at 10 o'clock direction on the right side and 2 o'clock direction on the right side when the crushing drum forms a parallel surface. Therefore, in the space where the grinding blades 35 and the fixed blade 36 make parallel surfaces, the wood chips are crushed while the blades and the wood chips are frictioned, thereby producing sawdust.

In addition, two recovery conveyors 38 are horizontally installed in the lower portion adjacent to the grinding drum 31, respectively, on the left and right sides of the center line that vertically bisects the space created by the two grinding drums. One end of the recovery conveyor is formed adjacent to both sides of the sawdust manufacturing apparatus, and the other end is formed adjacent to the center line that vertically bisects the space created by the two grinding drums. The recovery conveyor is also provided with a mesh screen conveyor.

In addition, the sawdust guide 32 is formed in parallel with the grinding drum in the lower left and right grinding space, respectively. The sawdust guide is formed in the form of a circular plate having a concentric circular shape with the crushing drum, one end of the sawdust guide is connected to the side of the sawdust manufacturing apparatus, and the other end is formed in contact with the upper surface of the rotating conveyor 38. And the sawdust guide 32 length is formed equal to the cylinder length of the grinding drum.

At the other end of the recovery conveyor 38, a recovery guide 33 is formed with a small gap such that sawdust does not escape between them. The recovery guide is formed in parallel with the crushing drum in the shape of a triangle. In addition, a plurality of air jet nozzles 34 are installed at the upper end of the recovery guide 33 to move the pulverized wood chips to the upper part of the space formed between the two grinding drums, and then put them back into the grinding space. In addition, the recovery guide 33 prevents the pulverized wood chips from flowing out between the left and right recovery conveyors 38.

Therefore, the sawdust dropped into the recovery conveyor 38 in the crushing space 39 is discharged to the sawdust outlet 42 through the sawdust hopper 41 after passing through the mesh, the pulverized wood chips of size or more for the recovery Moves on the upper surface of the conveyor 38, moves upward through the rotation guide, and is introduced into the crushing space 39 again.

And the sawdust hopper 41 is horizontally installed in the lower portion adjacent to the recovery conveyor 38, the sawdust hopper inlet is formed in the lower portion of the recovery conveyor, the outlet is in communication with the sawdust outlet 42. Sawdust hoppers can be installed in the form of hoppers and chutes used in general industrial sites.

Therefore, when manufacturing sawdust, which is wood chip pulverized particles, first, the driving means is operated to rotate the crushing drum 21 to produce wood chips. And the wood chips are put into the grinding space 39 made by the grinding drum and the sawdust maker side, sawdust while passing through the wood chips between the rotating grinding blade 35 and the fixed blade 36 fixed to the sawdust manufacturing apparatus side This is produced. In addition, the sawdust dropped to the lower grinding space 39 is placed on the upper surface of the recovery conveyor 38 through the sawdust guide 32, and the quality sawdust among the sawdust placed on the upper surface of the recovery conveyor is passed through the mesh and sawdust hopper ( Drop to 41). Then, the pulverized wood chips are moved upward through the recovery guide 33 and then put into the grinding space. The sawdust dropped into the sawdust hopper 41 is discharged to the sawdust outlet 42 and then shipped to the outside through the shipment conveyor 40.

Therefore, the sawdust maker is completed with the above configuration.

Referring to the steps of manufacturing wood chips and sawdust with the sawdust manufacturing apparatus of the present invention.

The driving means is operated to rotate the crushing drum 21, and then the processed wood and the waste wood are charged into the raw material feeder 10 formed on the crushing drum, and the charged waste wood is crushed The wood chip is introduced into the space 29, and the wood chips are produced by the rotating shredding blade 25 and the shredding hammer 26. When the wood chips are produced and shipped to the outside, the conveying conveyors 23 and 24 are used. The wood chip is produced through the step of horizontally operating the wood chip placed on the upper surface of the conveying conveyor to the outside through the wood chip outlet 28.

And inclined rotation of the conveying conveyors 23, 24 to produce sawdust, the wood chips produced in the shredding space is introduced into each grinding space 39 through the wood chip hopper 22, grinding In the space, the fixed blade 36 and the grinding blade 35 crush the wood chips to produce sawdust, the manufactured sawdust is placed on the upper surface of the recovery conveyor 38 through the sawdust guide 32, the sawdust mesh Passed through the sawdust hopper 41, and the pulverized wood chips are placed in the conveying conveyor 38, the transfer step, the pulverized wood chips are collected guide 33 and the air jet nozzle 34 The sawdust is produced by the step of being put into the crushing drum again, the sawdust dropped into the sawdust hopper 41 is discharged to the sawdust outlet 42 and then transferred to the shipment conveyor 40 and shipped to the outside.

10: Raw material feeder 11: Raw material input port
20: wood chip maker 21: shredding drum
22: Woodchip Hopper 23: Left conveying conveyor
24: Right conveying conveyor 25: Crushing blade
26: Crushing Hammer 27: Crushing Holder
28: wood chip outlet 29: shredding space
30: sawdust maker 31: grinding drum
32: sawdust guide 33: recovery guide
34: air jet nozzle 35: grinding blade
36: fixed blade 37: grinding holder
38: recovery conveyor 39: grinding space
40: shipment conveyor 41: sawdust hopper
42: sawdust outlet

Claims (3)

Wherein the wood chips and the sawdust are both made of wood chips by a wood chip maker (20) provided with a crushing drum (21) Discharged into, or the wood chips and sawdust combined production device, characterized in that for manufacturing the produced wood chips into sawdust by a sawdust maker 30 is installed with a crushing drum (31).
The method according to claim 1, wherein the wood is loaded by a raw material feeder (10) formed on an upper part of a wood chip and sawdust production device, and a wood chip maker (20) is installed on a lower part of the raw material feeder The wood chip manufacturing machine 20 has left and right conveying conveyors 23 and 24 installed under a pair of shredding drums 21, and wood chips beneath the left and right conveying conveyors 23 and 24. Hopper 22 is installed, and also connected to the left and right conveying conveyors (23, 24), the wood chip outlet 28 is formed on the side of the case of the wood chip and sawdust combined production device, the wood chip A sawdust maker 30 is installed below the hopper 22, and the sawdust maker 30 has a pair of grinding drums 31, each of which is equipped with a grinding blade 35, and the grinding blade 35. Recovery blades 36 fixed to the case and installed in the lower portion of the crushing drum 31 to correspond to the Wood chip and sawdust combined use device, characterized in that the conveyor (38).
According to claim 2, wherein the lower intermediate position of the pair of grinding drums 31, the recovery guide 33 is installed spaced apart at a small interval such that the sawdust does not escape the upper portion of the recovery conveyor 38. , And a sawdust guide (32) is provided between the rotation receiving conveyor (38) and the case wall surface.

KR1020100098904A 2010-10-11 2010-10-11 Product equipment for both wood chip and sawdust KR20100118096A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101300605B1 (en) * 2011-05-31 2013-08-27 인하대학교 산학협력단 Method for manufacturing the wood chip with excellent combustion efficiency
EP2839881A1 (en) * 2013-08-20 2015-02-25 GYRO-TRAC Corporation Brush chipper assembly with counter-rotating feeder rollers and chipping heads
CN112642520A (en) * 2020-09-21 2021-04-13 魏火娣 Building waste environmental protection crushing apparatus of vibration/noise reduction type

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101300605B1 (en) * 2011-05-31 2013-08-27 인하대학교 산학협력단 Method for manufacturing the wood chip with excellent combustion efficiency
EP2839881A1 (en) * 2013-08-20 2015-02-25 GYRO-TRAC Corporation Brush chipper assembly with counter-rotating feeder rollers and chipping heads
CN112642520A (en) * 2020-09-21 2021-04-13 魏火娣 Building waste environmental protection crushing apparatus of vibration/noise reduction type

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