JP2004209387A - Vertical twin-shaft crusher - Google Patents

Vertical twin-shaft crusher Download PDF

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Publication number
JP2004209387A
JP2004209387A JP2002383589A JP2002383589A JP2004209387A JP 2004209387 A JP2004209387 A JP 2004209387A JP 2002383589 A JP2002383589 A JP 2002383589A JP 2002383589 A JP2002383589 A JP 2002383589A JP 2004209387 A JP2004209387 A JP 2004209387A
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JP
Japan
Prior art keywords
crushing
blade
rotating
fixed
crushed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002383589A
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Japanese (ja)
Inventor
Rikio Yamashita
力男 山下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Power System Co Ltd
Original Assignee
Power System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Power System Co Ltd filed Critical Power System Co Ltd
Priority to JP2002383589A priority Critical patent/JP2004209387A/en
Publication of JP2004209387A publication Critical patent/JP2004209387A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertical twin-shaft crusher in which, while objects to be crushed are falling down one by one, they are crushed efficiently into small pieces of a uniform grain size. <P>SOLUTION: Rotary blades 5 having notches are fixed on two rotation shafts 4 provided vertically parallel with each other. While the blades are rotated in engagement with each other, the objects are crushed. At the same time, fixed blades 6, 7 provided on a crushing case 1 restrict the objects from dropping all at once by being engaged with the rotary blades 5. Thus, the objects are repeatedly crushed in each step, while they are falling downward from the top. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
この発明は、産業廃棄物の破砕装置に関するものであり、詳しくは軟質の廃プラスチック等や廃タイヤ類を細片に効率良く破砕する低速破砕装置に関するものである。
【0002】
【従来の技術】
従来、軟質の廃プラスチックや廃タイヤ類の破砕は、横配列の1軸又は4軸の破砕ブレードとスクリーンの組み合わせでおこなっている。
【0003】
この従来の破砕方式は、互いに噛み合うブレード間即ち2軸間の破砕が主となり、軸間を通過するだけで破砕領域が少なく完全な破砕が望めない、このため破砕ケース下部にスクリーンを設け、このスクリーンの網目を通過しない物は破砕物を対流させて再度軸間に導いて破砕している方式を用いているが、この方式はスクリーンの目詰まりが起きたり網目を通過出来ない布等は排出されにくいので増殖して破砕の妨げになり、定期的に破砕を止めて排出しないと、回転ブレードやスクリーンの摩耗や損壊を招くという欠点がある。
【0004】
【発明が解決しようとする課題】
本発明は前述の問題点を解決するもので、軸間破砕方式でスクリーンを設けなくても所定の細片破砕を可能にした破砕機を提供することを課題とするものである。
【0005】
【課題を解決するための手段】
前述の課題を解決するために、本発明による破砕装置は、次のような方法や手段を採用する。
【0006】
即ち、請求項1では、垂直で平行に配設した2本の回転軸各々に、外周に複数の切り欠き設けた回転ブレードを軸方向上で2本の回転軸の回転ブレードが互いに噛み合うように配して各々の軸に固定され、2本の回転軸を回転させることで噛み合う互いのブレードの間及び回転ブレードと相手軸との間で破砕し、更に回転ブレード外周に対応する破砕ケース内側に設けた固定刃とで破砕され、上段から下段へ順々に落下しながら細かく破砕する手段。
【0007】
また、請求項2では2本の軸に固定する回転ブレードの外径を下段を最大径とし、上段へ順に小さくすることで、回転ブレードの上段では破砕ケースとの間隔が大きいことで、上部から供給される破砕物が噛み込み易いことと径が小さいことにより同じ回転トルクであれば、回転ブレード外径部の切線力が大きくなり、大きい破砕物に適応し、下段に落下するに従ってブレード外周と破砕ケースとの間隔が狭くなることで細かく破砕する手段。
【0008】
また、請求項3では2本の回転軸に固定する回転ブレード及び破砕ケースに設けた固定刃の軸方向厚みを上段は厚くすることで、回転ブレードの厚みに合わせて大きく破砕し、下段へ順に厚みを薄くすることで細かく破砕する手段。
【0009】
また、請求項4では2本の軸に固定する回転ブレードに設ける切り欠きを上段は数を少なくして大きくし、下段へ順に数を増やして切り欠きを小さくすることで、上段では噛み込みが良く、下段に落下するに従って破砕間隔が狭くなることで細かく破砕する手段。
【0010】
また、請求項5では回転軸に固定した回転ブレードの間に、破砕ケース内壁に固定支持した棚状の固定ブレードを設け、この固定ブレードに丸又は多角形の穴を開け、この穴の縁が破砕機能を持つことで回転ブレードの切り欠き部刃との間で破砕され、上段の固定ブレードに設ける穴は数を少なくして大きく開け、下段へ順に穴の数を増やすと共に穴の大きさを小さくしていくことで、破砕物が落下するに従って細かく破砕する手段。
【0011】
【作用】
前述の手段によると、従来の横2軸式破砕機での破砕が互いの軸間を通過すると破砕作用が終わってしまい、スクリーン付設等で大きい物の通過を規制して再破砕することで細破砕効果を得ているのに対し、請求項1の破砕装置では上段から下段へ順に多数の破砕刃で多数回破砕されることで、スクリーンを設けなくても所定の細片破砕を可能にする破砕機を提供するという課題が解決される。
【0012】
また、請求項2では回転ブレードの外径を上段で小さくすることで破砕ケースとの間隔が広くなることで破砕物の噛み込みが良いことと合わせて、トルクが同じなら半径が小さいほど、切線力が大きくなることから回転ブレードの外周破砕力大きくが得られ、一方順に外径が大きくなる下段ではブレードの外径と破砕ケースとの間隔が少ないことで、所定の細片破砕を可能にする破砕機を提供するという課題が解決される。
【0013】
次に、請求項3では回転ブレードの軸方向厚みを上段では厚くして大きく破砕し、順にブレードの厚みが薄くなる下段では破砕物も薄く破砕することで、所定の細片破砕を可能にする破砕機を提供するという課題が解決される。
【0014】
次に、請求項4では回転ブレードに設ける切り欠きを上段では数を少なくして大きく切り欠きくことで破砕物の噛み込みが良く、順に切り欠きの数を増やし切り欠きが小さくなる下段では破砕物の落下を規制して破砕することで、所定の細片破砕を可能にする破砕機を提供するという課題が解決される。
【0015】
次に、請求項5では回転するブレードと噛み合う棚状の固定ブレードを破砕ケース内壁に固定し、この固定ブレードには回転ブレードと噛み合って破砕機能を持つ丸又は多角形の穴を設け、この穴を上段では数を少なくして大きくし、下段へ順に数を増やして小さくすることで破砕物を上段から下段へ順々に小さく破砕することで、所定の細片破砕を可能にする破砕機を提供するという課題が解決される。
【0016】
【実施例】
以下、本発明に係る破砕装置の実施例を図1〜図6に基づいて説明する。
まず、上部に投入口2を下部に排出口3を設けた破砕機ケース1内に円柱形の回転軸4が垂直で平行に配設され、この回転軸4には図3に示すように円周に切り欠きを設け切断刃の機能を持たせた回転ブレード5を互いに噛み合うように固定する。
【0017】
この2本の回転軸4に固定した回転ブレード5は図1,2,3及び7に示すように破砕ケース1の内側に設けた固定刃6及び固定ブレード7とも噛み合って破砕機能を持つとともに破砕物が回転軸4に巻き付いて共回りして破砕が進まなくなることを防ぎ、この部分に荷溜まりが起きてくると破砕物は互いの圧力で破砕部に押しだされスムーズな破砕が行われる働きも持っている。
【0018】
次に、2本の回転軸は図1,2に示すように、破砕機ケース1を貫通し上下端を下軸受8及び上軸受9により回転可能に支持され、各々の回転軸上端には駆動装置10を設けてあり、各々の回転軸4に回転を与え、設定した負荷に応じて自動的に反転するように制御され、最下段へ落下した破砕物は排出盤11によって排出口2から機外へ強制排出される。
【0019】
加えて、2本の回転軸4に固定する回転ブレード5は図4に示すように、外径が下段を最大径とし、上段へ順に小さくしている。
【0020】
さらに、図5では回転ブレード5の厚みを上段では厚く下段へ順に薄くしている。
【0021】
又、図6は回転ブレード5の形状を示すもので(A)は回転ブレード5が上段では外周の切り欠きの数を少なくして大きさを大きくし、(B)は下段へ順に切り欠きの数を多くして大きさを小さくしている。
【0022】
加えて、図7は破砕ケース1に設ける固定ブレードの形状を示すもので、(A)は上段に設ける固定ブレードには数を少なくして大きい丸又は多角形の穴を設け、(B)は下段に順にこの穴の数を多くして、大きさを小さくしている。
【0023】
【発明の効果】
以上のように本発明に係る破砕装置は、請求項1では破砕方向を縦にしたことと、回転ブレードと固定刃とで、上段から下段へ順々に破砕してゆくことで細片破砕が効率良くできる効果がある。
【0024】
さらに、本発明に係る破砕装置は、請求項1から請求項5に通じて破砕方向を縦にしたことと、回転ブレードと固定刃及び固定ブレードの寸法、形状を変化させて組み合わせることで、破砕物の大きさに合わせた破砕力と噛み込みの容易さを得、回転ブレードの外径の大きさや切り欠きの数と大きさ、厚みの変化と、固定ブレードに設ける穴の変化とでもって上段から下段へ順々に破砕してゆくことで細片破砕が効率良くできる効果がある。
【図面の簡単な説明】
【図1】本発明に係る破砕装置の基本構成実施例を示す正面断面図である。
【図2】本発明に係る破砕装置の基本構成実施例を示す側面断面図である。
【図3】本発明に係る破砕装置の基本構成実施例を示す平面断面図である。
【図4】本発明に係る破砕装置の回転ブレード外径の変化を示す正面断面図である。
【図5】本発明に係る破砕装置の回転ブレードの厚みの変化を示す正面断面図である。
【図6】本発明に係る破砕装置の回転ブレードの切欠きの変化を示し、(A)は上段を(B)は下段の平面断面図である。
【図7】本発明に係る破砕装置の固定ブレードに設けるの穴の変化を示し、(A)は上段を(B)は下段の平面断面図である。
【符号の説明】
1 破砕ケース
2 投入口
3 排出口
4 回転軸
5 回転ブレード
6 固定刃
7 固定ブレード
8 下軸受
9 上軸受
10 駆動部
11 排出盤
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an industrial waste crushing apparatus, and more particularly to a low-speed crushing apparatus for efficiently crushing soft waste plastics and waste tires into small pieces.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, soft waste plastics and waste tires are crushed by a combination of a horizontal one-axis or four-axis crush blade and a screen.
[0003]
In this conventional crushing method, crushing between blades meshing with each other, that is, crushing between two shafts is mainly performed, and crushing area is small and complete crushing cannot be expected just by passing between shafts. For materials that do not pass through the screen mesh, a method is used in which crushed material is convected and guided again between the shafts to break the material.However, this method discharges cloth that cannot be passed through the mesh due to clogging of the screen or the like. Since it is difficult to be crushed, it proliferates and hinders crushing. If the crushing is not stopped and discharged periodically, there is a drawback that the rotating blade and the screen are worn or damaged.
[0004]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide a crusher capable of crushing predetermined strips without providing a screen by an inter-shaft crushing method.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a crushing device according to the present invention employs the following method and means.
[0006]
That is, in the first aspect, the rotating blades provided with a plurality of cutouts on the outer periphery are respectively engaged with the rotating blades of the two rotating shafts in the axial direction so as to mesh with each other. Arranged and fixed to each shaft, crushing between rotating blades and between rotating blades and mating shafts by rotating two rotating shafts, and further inside the crushing case corresponding to the outer periphery of the rotating blades A means of crushing with the fixed blades provided, and crushing finely while falling sequentially from the upper stage to the lower stage.
[0007]
Further, in claim 2, the outer diameter of the rotating blade fixed to the two shafts is the maximum diameter at the lower stage, and is gradually reduced toward the upper stage. If the supplied crushed material has the same rotational torque as it is easy to bite and the diameter is small, the cutting force of the outer diameter part of the rotating blade increases, it adapts to large crushed material, A means of crushing finely by narrowing the gap with the crushing case.
[0008]
Further, in the third aspect, the axial thickness of the rotating blade fixed to the two rotating shafts and the fixed blade provided in the crushing case is increased in the upper stage, so that the blade is crushed largely in accordance with the thickness of the rotating blade, and sequentially to the lower stage. A means of crushing finely by reducing the thickness.
[0009]
According to the fourth aspect, the number of cutouts provided in the rotating blade fixed to the two shafts is increased by decreasing the number in the upper stage, and by increasing the number in the lower stage in order to reduce the notch. A means of crushing finely by narrowing the crushing interval as it falls down.
[0010]
According to the fifth aspect, a shelf-shaped fixed blade fixedly supported on the inner wall of the crushing case is provided between the rotating blades fixed to the rotating shaft, and a round or polygonal hole is formed in the fixed blade, and the edge of the hole is formed. With the crushing function, it is crushed between the notch blade of the rotating blade and the hole provided in the upper fixed blade is reduced in number and opened larger, the number of holes is increased sequentially to the lower stage and the size of the hole is increased. A means of crushing finely as the crushed material falls by making it smaller.
[0011]
[Action]
According to the above-described means, when the crushing by the conventional horizontal two-shaft crusher passes between the axes, the crushing action ends, and the re-crushing is performed by restricting the passage of a large object by attaching a screen or the like. While the crushing effect is obtained, the crushing device according to claim 1 is crushed a number of times by a large number of crushing blades in order from the upper stage to the lower stage, thereby enabling predetermined piece crushing without providing a screen. The problem of providing a crusher is solved.
[0012]
According to the second aspect, the outer diameter of the rotary blade is reduced in the upper stage to increase the distance between the crushing case and the bite of the crushed material. Since the force is increased, the outer peripheral crushing force of the rotating blade is increased, and on the other hand, in the lower stage where the outer diameter increases in order, the gap between the outer diameter of the blade and the crushing case is small, thereby enabling predetermined small piece crushing The problem of providing a crusher is solved.
[0013]
Next, in claim 3, the axial thickness of the rotating blade is thickened in the upper stage and crushed largely, and in the lower stage where the thickness of the blade becomes thinner in the lower stage, the crushed material is also crushed thinly, thereby enabling predetermined fragment crushing. The problem of providing a crusher is solved.
[0014]
Next, in the fourth aspect, the number of the notches provided in the rotating blade is reduced in the upper stage and the number of the notches is increased so that the number of the notches is increased. The problem of providing a crusher capable of crushing a predetermined piece by controlling the falling of the object and crushing it is solved.
[0015]
Next, in claim 5, a shelf-shaped fixed blade that meshes with the rotating blade is fixed to the inner wall of the crushing case, and the fixed blade is provided with a round or polygonal hole that meshes with the rotating blade and has a crushing function. In the upper part, the number is increased by decreasing the number, and the number is increased and decreased in order from the lower part to crush the crushed material sequentially from the upper part to the lower part. The problem of providing is solved.
[0016]
【Example】
Hereinafter, an embodiment of a crushing apparatus according to the present invention will be described with reference to FIGS.
First, a cylindrical rotary shaft 4 is disposed vertically and parallel in a crusher case 1 having an inlet 2 at an upper part and an outlet 3 at a lower part. The rotary shaft 4 has a circular shape as shown in FIG. Notches are provided in the periphery, and the rotating blades 5 having the function of a cutting blade are fixed so as to mesh with each other.
[0017]
The rotating blade 5 fixed to the two rotating shafts 4 is engaged with a fixed blade 6 and a fixed blade 7 provided inside the crushing case 1 as shown in FIGS. Prevents the object from wrapping around the rotating shaft 4 and rotating together to prevent crushing from progressing. If a load accumulates in this part, the crushed materials are pushed out to the crushing part by the mutual pressure and the smooth crushing is performed. Also have.
[0018]
Next, as shown in FIGS. 1 and 2, the two rotating shafts penetrate the crusher case 1 and are rotatably supported at the upper and lower ends by a lower bearing 8 and an upper bearing 9. A device 10 is provided, which controls each of the rotating shafts 4 to rotate, and automatically reverses according to a set load. It is forcibly discharged outside.
[0019]
In addition, as shown in FIG. 4, the outer diameter of the rotating blade 5 fixed to the two rotating shafts 4 is set such that the outer diameter is the maximum diameter at the lower level and is gradually reduced toward the upper level.
[0020]
Further, in FIG. 5, the thickness of the rotary blade 5 is made thicker in the upper part and thinner in the lower part.
[0021]
6A and 6B show the shape of the rotary blade 5. FIG. 6A shows the rotary blade 5 in which the number of notches on the outer periphery is reduced to increase the size when the rotary blade 5 is in the upper stage, and FIG. The number is increased and the size is reduced.
[0022]
In addition, FIG. 7 shows the shape of the fixed blade provided in the crushing case 1. FIG. 7A shows a fixed blade provided in the upper stage provided with a small number of large round or polygonal holes, and FIG. The number of these holes is increased in the lower row to reduce the size.
[0023]
【The invention's effect】
As described above, in the crushing apparatus according to the present invention, in the first aspect, the crushing direction is set to be vertical, and the rotating blades and the fixed blades crush the pieces sequentially from the upper stage to the lower stage, so that the fragment crushing can be performed. There is an effect that can be done efficiently.
[0024]
Furthermore, the crushing device according to the present invention is characterized in that the crushing direction is made longitudinal as in claims 1 to 5, and the size and shape of the rotating blade, the fixed blade and the fixed blade are changed and combined to be crushed. Obtain the crushing force according to the size of the object and the ease of biting, and change the outer diameter of the rotating blade, the number and size of the notches, the size, the thickness, and the change in the hole provided in the fixed blade, and the upper stage By crushing sequentially from the bottom to the bottom, there is an effect that the small pieces can be efficiently crushed.
[Brief description of the drawings]
FIG. 1 is a front sectional view showing an embodiment of a basic configuration of a crushing apparatus according to the present invention.
FIG. 2 is a side sectional view showing an embodiment of a basic configuration of a crushing device according to the present invention.
FIG. 3 is a plan sectional view showing a basic configuration example of a crushing device according to the present invention.
FIG. 4 is a front sectional view showing a change in the outer diameter of a rotary blade of the crushing device according to the present invention.
FIG. 5 is a front sectional view showing a change in thickness of a rotary blade of the crushing device according to the present invention.
FIGS. 6A and 6B show a change in notch of a rotary blade of the crushing apparatus according to the present invention, wherein FIG.
FIG. 7 is a plan sectional view showing a change of a hole provided in a fixed blade of the crushing device according to the present invention, wherein FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Crushing case 2 Input port 3 Discharge port 4 Rotating shaft 5 Rotating blade 6 Fixed blade 7 Fixed blade 8 Lower bearing 9 Upper bearing 10 Drive unit 11 Discharge board

Claims (5)

垂直で平行に配設した2本の回転軸各々に、外周に複数の切欠きを設けた回転ブレードを軸方向上で互いに噛み合うように配して各々の回転軸に固定し、この回転ブレードに対応する破砕ケース内側に固定刃を設けたことを特徴とする破砕装置。Rotating blades provided with a plurality of notches on the outer periphery are arranged so as to mesh with each other in the axial direction on each of two rotating shafts arranged vertically and in parallel, and are fixed to each rotating shaft. A crushing device comprising a fixed blade provided inside a corresponding crushing case. 請求項1の破砕装置において、回転ブレードの外径を下段を最大径とし上段へ順に小さくし、回転ブレードの外周と破砕ケースとの間隔を上段から下段へ順に狭くしたことを特徴とする破砕装置。2. The crushing device according to claim 1, wherein the outer diameter of the rotating blade is reduced in order from the upper stage to the lower stage, and the distance between the outer periphery of the rotating blade and the crushing case is reduced in order from the upper stage to the lower stage. . 請求項1,2及び3において、回転ブレード及び破砕ケースの内壁に設けた固定刃の軸方向厚みを上段は厚くし、下段へ順に薄くしたことを特徴とする破砕装置。4. A crushing apparatus according to claim 1, wherein the axial thickness of the rotating blade and the fixed blade provided on the inner wall of the crushing case is made thicker in the upper part and thinner in the lower part. 請求項1及び2において、回転ブレードに設ける切欠きの大きさを上段は数を少なくして大きくし、下段へ順に切り欠きを小さくして数を増やしたことを特徴とする破砕装置。3. The crushing apparatus according to claim 1, wherein the size of the notch provided in the rotating blade is increased by reducing the number of the notches in the upper stage, and is increased by decreasing the number of the notches in the lower stage. 請求項1,2,3,及び4において、回転軸に設けた回転ブレードと噛み合うように破砕ケース内側に棚状の固定ブレードを設け、この固定ブレードに穴を開け穴の縁と回転するブレードとの間で切断する刃の働きを成すことを特徴とする破砕装置。The blade according to any one of claims 1, 2, 3, and 4, wherein a fixed blade having a shelf shape is provided inside the crushing case so as to mesh with the rotary blade provided on the rotary shaft, and a hole is formed in the fixed blade and a blade rotating with the edge of the hole. A crushing device characterized in that it functions as a blade for cutting between the crushers.
JP2002383589A 2002-12-26 2002-12-26 Vertical twin-shaft crusher Pending JP2004209387A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100796424B1 (en) * 2006-09-08 2008-01-21 문정호 A disintegrator having two layered structure of shattering blades
KR101505729B1 (en) 2013-06-24 2015-03-25 오철균 Waste cutting device
CN106925408A (en) * 2017-05-03 2017-07-07 安徽包钢稀土永磁合金制造有限责任公司 A kind of rare-earth alloy material disintegrating machine
JP6428967B1 (en) * 2018-02-21 2018-11-28 中国電力株式会社 Coal ash product processing apparatus and processing method
CN109201230A (en) * 2018-09-03 2019-01-15 张玉锦 A kind of electronic waste crushing sorting equipment
CN111359725A (en) * 2020-03-23 2020-07-03 大连碧海环保设备有限公司 Double-shaft crusher and knockout device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100796424B1 (en) * 2006-09-08 2008-01-21 문정호 A disintegrator having two layered structure of shattering blades
KR101505729B1 (en) 2013-06-24 2015-03-25 오철균 Waste cutting device
CN106925408A (en) * 2017-05-03 2017-07-07 安徽包钢稀土永磁合金制造有限责任公司 A kind of rare-earth alloy material disintegrating machine
CN106925408B (en) * 2017-05-03 2023-10-27 北方稀土(安徽)永磁科技有限公司 Rare earth alloy material crusher
JP6428967B1 (en) * 2018-02-21 2018-11-28 中国電力株式会社 Coal ash product processing apparatus and processing method
WO2019163034A1 (en) * 2018-02-21 2019-08-29 中国電力株式会社 Coal ash product processing device and processing method
CN109201230A (en) * 2018-09-03 2019-01-15 张玉锦 A kind of electronic waste crushing sorting equipment
CN111359725A (en) * 2020-03-23 2020-07-03 大连碧海环保设备有限公司 Double-shaft crusher and knockout device

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