CN108176450B - Graphite pulverizer - Google Patents

Graphite pulverizer Download PDF

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Publication number
CN108176450B
CN108176450B CN201711465184.9A CN201711465184A CN108176450B CN 108176450 B CN108176450 B CN 108176450B CN 201711465184 A CN201711465184 A CN 201711465184A CN 108176450 B CN108176450 B CN 108176450B
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China
Prior art keywords
breaker roll
pair
cross
axis
flow fan
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Active
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CN201711465184.9A
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Chinese (zh)
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CN108176450A (en
Inventor
韦爱龄
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Shandong Xingfa Carbon Co., Ltd.
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Individual
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165Screen denying egress of oversize material

Abstract

The invention discloses a kind of graphite pulverizers, comprising: shell, top are provided with feed inlet;Disruption elements are arranged in the shell, comprising: a pair of first breaker roll, a pair of second breaker roll, a pair of of third breaker roll;Sieve is arranged below a pair of of third breaker roll and edge is connected on the case inside wall, offers coarse fodder outlet on the shell with the junction of the sieve lowest edge;Cross-flow fan impeller, the lower section in the shell and being located at the sieve is arranged in it, a fine material outlet is formed between another side body of cross-flow fan impeller periphery described in the side body and face of cross-flow fan impeller periphery described in face, the side upper part of the housing of cross-flow fan impeller periphery described in face offers air inlet;Multiple electric motors drive a pair of first breaker roll, a pair of second breaker roll, a pair of of third breaker roll and cross flow fan rotation respectively.The present invention is splendid to the crushing of graphite and spheroidization processing effect.

Description

Graphite pulverizer
Technical field
The present invention relates to graphite powder process units fields.It is more particularly related to a kind of graphite pulverizer.
Background technique
The advantages that graphite is from a wealth of sources, cheap, charging/discharging voltage platform is low, reversible capacity is high due to its, Chang Beiyong Make the negative electrode material of lithium ion battery, but do the negative electrode material of lithium ion battery with graphite there is also many disadvantages, such as: graphite With the poor compatibility of solvent, high rate during charging-discharging is bad, first charge-discharge when because the embedding altogether of solvent molecule makes graphite linings It is peeling-off so as to cause clicking service life reduction etc..It solves the above problems the common approach is that changing to graphite material surface Property, natural flaky graphite will be crushed first and be processed into qualified spherical graphite powder by various modified graphites, existing in the market Although it is crushed, and the effect is unsatisfactory with spheroidization there is some graphite pulverizers can be used.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of graphite to crush and the splendid graphite pulverizer of spheroidization processing effect.
In order to realize these purposes and other advantages according to the present invention, a kind of graphite pulverizer is provided, comprising:
Shell, top are provided with feed inlet;
Disruption elements are arranged in the shell, comprising:
A pair of first breaker roll, planar horizontal where axis, and the gap between a pair of first breaker roll are located at described Immediately below feed inlet, the minimum distance between a pair of first breaker roll is the half of the feed inlet width, and described first is broken The screw thread extended along the first broken roll axis is provided on roller, the height of the screw thread is four points of the first breaker roll radius One of, and the screw thread on a pair of first breaker roll can be intermeshed setting;
A pair of second breaker roll, axis is parallel with the axis of first breaker roll, and the axis of a pair of second breaker roll Planar horizontal where line, the gap between a pair of second breaker roll are located at the underface in the gap between a pair of first breaker roll, Minimum distance between a pair of second breaker roll is the half of the minimum distance between a pair of first breaker roll, and described second is broken The diameter of roller is 2/3rds of first breaker roll, is provided on second breaker roll and extends along the second broken roll axis Screw thread, the height of the screw thread is a quarter of the second breaker roll radius, and the screw thread on a pair of second breaker roll Setting can be intermeshed;
A pair of of third breaker roll, axis is parallel with the axis of second breaker roll, and the axis of a pair of second breaker roll Planar horizontal where line, between a pair of of third breaker roll tangent and point of contact be located at the gap between a pair of second breaker roll just under Side, the diameter of the third breaker roll are the half of second breaker roll;
Wherein, where the axis of a pair of first breaker roll between plane where the axis of plane and a pair of second breaker roll Plane where the axis of distance and a pair of second breaker roll and the distance between plane phase where the axis of a pair of of third breaker roll Deng;
Sieve is arranged below a pair of of third breaker roll and edge is connected on the case inside wall, the sieve It is obliquely installed, and with horizontal plane at 20 ° of angles, offers coarse fodder with the junction of the sieve lowest edge on the shell and go out Mouthful;
Cross-flow fan impeller is arranged in the shell and is located at the lower section of the sieve, the cross-flow fan impeller Axis it is parallel with the axis of a pair of of third breaker roll, the diameter of the cross-flow fan impeller is less than the sieve and throws in horizontal plane The width of shadow profile, a side body vertical section profile of cross-flow fan impeller periphery described in face are straight line, and the straight line Another side body vertical section profile with vertically downward direction angle at an acute angle, cross-flow fan impeller periphery described in face is Circular arc, the radius of the circular arc and the sieve are in the of same size of horizontal plane projected outline, the corresponding central angle of the circular arc It is 51 °, and a side body of cross-flow fan impeller periphery described in face and cross-flow fan impeller periphery described in face is another A fine material outlet is formed between one side body, the edge of the fine material outlet connects a horizontal discharge barrel, wherein the through-flow wind Machine impeller is rotated with meeting to the direction of another side body of face cross-flow fan impeller periphery, cross-flow fan impeller described in face The side upper part of the housing of periphery offers air inlet;
Multiple electric motors drive a pair of first breaker roll, a pair of second breaker roll, a pair of of third breaker roll and through-flow respectively Blower rotation.
Preferably, first tilted down is provided between ipsilateral first breaker roll and the second breaker roll Partition, the first partition lowest edge are in the width range for the profile that second breaker roll projects to horizontal plane, institute Other edges for stating first partition are connect with the shell, are set between ipsilateral second breaker roll and third breaker roll It is equipped with the second partition tilted down, the second partition lowest edge is in the wheel that the third breaker roll projects to horizontal plane In wide width range, other edges of the second partition are connect with the shell.
Preferably, the lower face of the first partition is provided with the first hairbrush, first hairbrush and the second breaker roll It contacts, is provided with the second hairbrush on the lower face of the second partition, second hairbrush is contacted with the third breaker roll.
Preferably, the ratio between the thread pitch on first breaker roll and the thread pitch on the second breaker roll are 5:3.
Preferably, the thread segment profile on first breaker roll and the second breaker roll is isosceles trapezoid.
Preferably, the mesh number of the sieve is more than 200 mesh.
The present invention is include at least the following beneficial effects:
1, not due to the spacing between the first breaker roll of a pair, the second breaker roll and the third breaker roll in disruption elements Together, therefore graphite raw material can be crushed step by step and be rolled into powdered, then cooperate a pair of first breaker roll, the second breaker roll table The screw thread in face can promote in shattering process by material extruding and along axis, therefore some bulk raws can be by the first breaker roll, the Sledging roller repeatedly rubs crushing, is not only avoided that forces to crush the damage to breaker roll in this way, but also can improve crushing efficiency.
2, graphite powder can be allowed to pass through mesh under the effect of gravity by sieve, and leaves the larger coarse granule not crushed, both It does not need manually to be screened, and completes graphite powder classification process.
3, cross-flow fan impeller is internal during rotation will form vortex air-flow, and graphite powder is entering cross flow fan Graphite powder particle table has been destroyed repeatedly with cross-flow fan impeller and inner walls side swipe by vortex airflow influence after in impeller The protrusion part in face, gradually forms spherical shape, finally takes discharge barrel out of by the air-flow that cross-flow fan impeller is formed again, so not only ball Shape effect is good, and it is convenient to discharge, and is not necessarily to manual cleaning.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is side structure schematic diagram of the invention;
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention System.
As shown in Figure 1, the present invention provides a kind of graphite pulverizer, comprising:
Shell 1, top are provided with feed inlet 2;
Disruption elements are arranged in the shell 1, comprising:
A pair of first breaker roll 3, planar horizontal where axis, and the gap between a pair of first breaker roll 3 is located at institute It states immediately below feed inlet 2, the minimum distance between a pair of first breaker roll 3 is the half of 2 width of feed inlet, described first The screw thread extended along 3 axis of the first breaker roll is provided on breaker roll 3, the height of the screw thread is first breaker roll 3 half The a quarter of diameter, and the screw thread on a pair of first breaker roll 3 can be intermeshed setting;
A pair of second breaker roll 4, axis is parallel with the axis of first breaker roll 3, and a pair of second breaker roll 4 Planar horizontal where axis, the gap between a pair of second breaker roll 4 be located at the gap between a pair of first breaker roll 3 just under Side, the minimum distance between a pair of second breaker roll 4 are the half of the minimum distance between a pair of first breaker roll 3, described the The diameter of sledging roller 4 is 2/3rds of first breaker roll 3, is provided on second breaker roll 4 broken along second The screw thread that 4 axis of roller extends, the height of the screw thread are a quarter of 4 radius of the second breaker roll, and a pair second is broken Screw thread on broken roller 4 can be intermeshed setting;
A pair of of third breaker roll 5, axis is parallel with the axis of second breaker roll 4, and a pair of second breaker roll 4 Planar horizontal where axis, tangent and point of contact is located at the gap between a pair of second breaker roll 4 between a pair of of third breaker roll 5 Underface, the diameter of the third breaker roll 5 are the half of second breaker roll 4;
Wherein, where the axis of a pair of first breaker roll 3 between plane where the axis of plane and a pair of second breaker roll 4 Distance and a pair of second breaker roll 4 axis where where the axis of plane and a pair of of third breaker roll 5 between plane away from From equal;
Sieve 6 is arranged below a pair of of third breaker roll 5 and edge is connected on 1 inner sidewall of shell, the sieve Net 6 is obliquely installed, and with horizontal plane at 20 ° of angles, is offered on the shell 1 with the junction of 6 lowest edge of sieve Coarse fodder outlet 7;
Cross-flow fan impeller 8 is arranged in the shell 1 and is located at the lower section of the sieve 6, the cross flow fan leaf The axis of wheel 8 is parallel with the axis of a pair of of third breaker roll 5, and the diameter of the cross-flow fan impeller 8 is less than the sieve 6 in water The width of plane projection profile, the 1 vertical section profile of a side body of 8 periphery of cross-flow fan impeller described in face are straight line, And the straight line and vertically downward direction angle at an acute angle, another side body 1 of 8 periphery of cross-flow fan impeller described in face are vertical Cross section profile is circular arc, and the radius of the circular arc is with the sieve 6 in the of same size of horizontal plane projected outline, the circular arc pair The central angle answered is 51 °, and a side body 1 of 8 periphery of cross-flow fan impeller described in face and cross flow fan leaf described in face It takes turns and forms a fine material outlet between another side body 1 of 8 peripheries, the edge of the fine material outlet connects a horizontal discharge barrel 9, Wherein, the cross-flow fan impeller 8 is rotated with meeting to the direction of another side body 1 of 8 periphery of face cross-flow fan impeller, just Air inlet 10 is offered to 1 top of a side body of 8 periphery of cross-flow fan impeller;
Multiple electric motors, drive a pair of first breaker roll 3, a pair of second breaker roll 4 respectively, a pair of of third breaker roll 5 and Cross flow fan rotation, and a pair of first breaker roll 3, a pair of second breaker roll 4, a pair of of third breaker roll 5 are to synchronize opposite turn It is dynamic.
Above-described embodiment in use, first by electric motor starting, then is put into from feed inlet 2 by blocky graphite raw material, block Shape graphite raw material passes through a pair of first breaker roll 3, a pair of second breaker roll 4, is largely ground into after a pair of of third breaker roll 5 Powdered, only a few is also small bulk, since a pair the first breaker roll 3, the second breaker roll 4 and the third in disruption elements are broken Spacing between roller 5 is different, therefore can step by step be crushed graphite raw material and be rolled into powdered, then a pair first is cooperated to be crushed Roller 3,4 surface of the second breaker roll screw thread can be promoted by material extruding and along axis in shattering process, therefore some bulk raws It can be crushed by more than 4 the first breaker roll 3, the second breaker roll frictions, not only be avoided that force to crush the damage to breaker roll in this way, but also Crushing efficiency can be improved, and has been pressed into powdered graphite and has been passed through from 6 mesh of sieve, the small blocky graphite of only a few is left on On sieve 6, and coarse fodder outlet 7 is skidded off with the inclined direction along sieve 6, had not only needed manually to be screened, but also complete stone Ink powder classification process, and because cross-flow fan impeller 8 is internal during rotation to will form vortex air-flow, graphite powder is entering It is destroyed by vortex airflow influence repeatedly with the 1 inner wall side swipe of cross-flow fan impeller 8 and shell after in cross-flow fan impeller 8 The protrusion part on graphite powder particle surface, gradually forms spherical shape, is finally taken out of out again by the air-flow that cross-flow fan impeller 8 is formed Barrel 9, not only spheroidization effect is good in this way, but also it is convenient to discharge, and is not necessarily to manual cleaning.
In another embodiment, it is provided with and dips down between ipsilateral first breaker roll 3 and the second breaker roll 4 Oblique first partition 11,11 lowest edge of first partition are in the profile that second breaker roll 4 projects to horizontal plane In width range, other edges of the first partition 11 are connect with the shell 1, positioned at ipsilateral second breaker roll 4 It is provided with the second partition 12 tilted down between third breaker roll 5,12 lowest edge of second partition is in described the In the width range for the profile that three breaker rolls 5 project to horizontal plane, other edges of the second partition 12 and the shell 1 connect It connects, is thus avoided that part hits winged graphite raw material by the first breaker roll 3 and the second breaker roll 4 and leaks down from 1 edge of shell, mentions The high crushing efficiency of graphite raw material.
In another embodiment, the lower face of the first partition 11 is provided with the first hairbrush, first hairbrush and Sledging roller 4 contacts, and the second hairbrush is provided on the lower face of the second partition 12, and second hairbrush and the third are broken Broken roller 5 contacts, and in this way during the second breaker roll 4 works with third breaker roll 5, it is broken that hairbrush can clear up second automatically The graphite that roller 4 and 5 surface of third breaker roll are stained with not only had avoided the loss of graphite raw material, but also has extended the second breaker roll of manual cleaning 4 With the time interval of third breaker roll 5, economic loss caused by maintenance shut-downs is avoided.
In another embodiment, the thread pitch on the thread pitch on first breaker roll 3 and the second breaker roll 4 it It crushes different size of graphite raw material block than being controlled by different thread pitch cooperations in this way for 5:3 and can reach preferable Crushing effect.
In another embodiment, the thread segment profile on first breaker roll 3 and the second breaker roll 4 is isosceles ladder Shape, accordingly even when being also easier to clear up between thering is graphite particle to be stuck in two adjacent rings screw thread.
In another embodiment, the mesh number of the sieve 6 is more than 200 mesh, and the graphite powder selected in this way is by through-flow wind Nodularization effect is best after machine impeller 8 is processed.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (6)

1. a kind of graphite pulverizer characterized by comprising
Shell, top are provided with feed inlet;
Disruption elements are arranged in the shell, comprising:
A pair of first breaker roll, planar horizontal where axis, and the gap between a pair of first breaker roll is located at the charging Immediately below mouthful, the minimum distance between a pair of first breaker roll is the half of the feed inlet width, on first breaker roll Be provided with the screw thread extended along the first broken roll axis, the height of the screw thread be the first breaker roll radius four/ One, and the screw thread on a pair of first breaker roll can be intermeshed setting;
A pair of second breaker roll, axis is parallel with the axis of first breaker roll, and the axis institute of a pair of second breaker roll Gap between planar horizontal, a pair of second breaker roll is located at the underface in the gap between a pair of first breaker roll, a pair of Minimum distance between second breaker roll is the half of the minimum distance between a pair of first breaker roll, second breaker roll Diameter is 2/3rds of first breaker roll, and the spiral shell extended along the second broken roll axis is provided on second breaker roll Line, the height of the screw thread are a quarter of the second breaker roll radius, and the screw thread on a pair of second breaker roll can phase Mutually it is engaged;
A pair of of third breaker roll, axis is parallel with the axis of second breaker roll, and the axis institute of a pair of second breaker roll Tangent and point of contact is located at the underface in the gap between a pair of second breaker roll between planar horizontal, a pair of of third breaker roll, The diameter of the third breaker roll is the half of second breaker roll;
Wherein, the distance between plane where the axis of plane and a pair of second breaker roll where the axis of a pair of first breaker roll It is equal with the distance between plane where the axis of a pair of of third breaker roll with plane where the axis of a pair of second breaker roll;
Sieve is arranged below a pair of of third breaker roll and edge is connected on the case inside wall, the screen slope Setting, and with horizontal plane at 20 ° of angles, coarse fodder outlet is offered on the shell with the junction of the sieve lowest edge;
Cross-flow fan impeller is arranged in the shell and is located at the lower section of the sieve, the axis of the cross-flow fan impeller Line is parallel with the axis of a pair of of third breaker roll, and the diameter of the cross-flow fan impeller is less than the sieve and projects wheel in horizontal plane Wide width, a side body vertical section profile of cross-flow fan impeller periphery described in face are straight line, and the straight line and perpendicular Another side body vertical section profile of straight angle at an acute angle in downward direction, cross-flow fan impeller periphery described in face is circle Arc, in the of same size of horizontal plane projected outline, the corresponding central angle of the circular arc is for the radius of the circular arc and the sieve 51 °, and a side body of cross-flow fan impeller periphery described in face and cross-flow fan impeller periphery described in face is another A fine material outlet is formed between side body, the edge of the fine material outlet connects a horizontal discharge barrel, wherein the cross flow fan Impeller is rotated with meeting to the direction of another side body of face cross-flow fan impeller periphery, the circle of cross-flow fan impeller described in face The side upper part of the housing of circumferential surface offers air inlet;
Multiple electric motors drive a pair of first breaker roll, a pair of second breaker roll, a pair of of third breaker roll and cross flow fan respectively Rotation.
2. graphite pulverizer as described in claim 1, which is characterized in that broken positioned at ipsilateral first breaker roll and second The first partition tilted down is provided between broken roller, the first partition lowest edge is in second breaker roll and projects to In the width range of the profile of horizontal plane, other edges of the first partition are connect with the shell, described in ipsilateral The second partition tilted down is provided between second breaker roll and third breaker roll, the second partition lowest edge is in institute In the width range for stating the profile that third breaker roll projects to horizontal plane, other edges and the shell of the second partition connect It connects.
3. graphite pulverizer as claimed in claim 2, which is characterized in that the lower face of the first partition is provided with first mao Brush, first hairbrush contacts with the second breaker roll, is provided with the second hairbrush on the lower face of the second partition, and described second Hairbrush is contacted with the third breaker roll.
4. graphite pulverizer as described in claim 1, which is characterized in that the thread pitch and second on first breaker roll The ratio between thread pitch on breaker roll is 5:3.
5. graphite pulverizer as described in claim 1, which is characterized in that the spiral shell on first breaker roll and the second breaker roll Line cross section profile is isosceles trapezoid.
6. graphite pulverizer as described in claim 1, which is characterized in that the mesh number of the sieve is more than 200 mesh.
CN201711465184.9A 2017-12-28 2017-12-28 Graphite pulverizer Active CN108176450B (en)

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CN108787004B (en) * 2018-06-29 2020-05-12 浙江华炜新材料有限公司 Graphite multistage crushing refines equipment
EP3906116A4 (en) * 2019-01-05 2022-10-19 Comre IP Pty Ltd Apparatus, system and method for comminution

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CN105195254A (en) * 2015-10-26 2015-12-30 灌阳县陈工选矿机械制造有限公司 Multistage crusher for mining use
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CN206356050U (en) * 2016-12-06 2017-07-28 王丽萍 A kind of adjustable concrete multi-stage crushing device
CN206356114U (en) * 2016-12-06 2017-07-28 海南科技职业学院 A kind of building waste reducing mechanism with shock-absorbing denoising function
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