CN110170357B - Mill filter suitable for modified asphalt uniform blending - Google Patents

Mill filter suitable for modified asphalt uniform blending Download PDF

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Publication number
CN110170357B
CN110170357B CN201910459558.9A CN201910459558A CN110170357B CN 110170357 B CN110170357 B CN 110170357B CN 201910459558 A CN201910459558 A CN 201910459558A CN 110170357 B CN110170357 B CN 110170357B
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China
Prior art keywords
filter screen
filter
grinding
group
tank
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Active
Application number
CN201910459558.9A
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Chinese (zh)
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CN110170357A (en
Inventor
曹良
巢文革
闵建彬
徐伟
马永祥
李平
沈浩君
肖成龙
夏栋
李卫南
徐娟
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.)
China Building Materials Suzhou Waterproofing Research Institute Co Ltd
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China Building Materials Suzhou Waterproofing Research Institute Co Ltd
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Priority to CN201910459558.9A priority Critical patent/CN110170357B/en
Publication of CN110170357A publication Critical patent/CN110170357A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary 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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/08—Crushing or disintegrating by disc mills with coaxial discs with vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/12—Shape or construction of discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/16—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary 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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating 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
    • B02C2023/165—Screen denying egress of oversize material

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to a grinding filter suitable for uniformly mixing modified asphalt, which comprises a device tank with a feeding channel and a discharging channel, and a filtering component arranged in the intercepting device tank, wherein the device tank is vertically arranged, the feeding channel is positioned at one side of the lower part of the device tank, the discharging channel is positioned at one side of the upper part of the device tank, the filtering component comprises a plurality of layers of filtering nets which are sequentially arranged at intervals from bottom to top and have gradually-reduced mesh apertures, the plurality of layers of filtering nets are divided into two groups, one group is a fixed filtering net group fixed on the inner wall of the device tank, the other group is a grinding filtering net group horizontally and rotatably arranged in the device tank around the center of the grinding filtering net group, the filtering nets respectively forming the fixed filtering net group and the grinding filtering net group are sequentially distributed at intervals, and the special grinding. The invention can gradually grind and filter the caking materials with different particle sizes from large to small, thereby ensuring that the materials discharged from the discharge channel are fine and uniform, and meeting the blending requirement of the modified asphalt.

Description

Mill filter suitable for modified asphalt uniform blending
Technical Field
The invention belongs to the field of modified asphalt production equipment, and particularly relates to a mill filter suitable for uniformly mixing modified asphalt.
Background
As is well known, in the process of blending modified asphalt, the requirement on the uniformity of the final material is very high, and in order to obtain a uniform final modified material, the material needs to be filtered, and a method conventionally adopted in the industry is to select a filter, wherein the filter generally refers to a single-layer filter screen with a certain number of meshes for filtering non-uniform impurities (such as metal chips, rubber blocks and the like) in the material.
However, in long-term filtration, the meshes of the filter screen are smaller and smaller due to the bridging effect, the filtration efficiency is lowered, the discharge speed is affected, meanwhile, some caking blocks in the filtered materials pass through the filter holes, in order to solve the caking problem, part of manufacturers can filter without using a filter, for the caking blocks in the materials, a method of a grinding machine is adopted before a discharge port for removing impurities, the materials are ground and discharged, however, grinding can play a role in grinding loose large-particle caking, but the caking blocks cannot be broken and dispersed for small-particle caking, and therefore, the uniformity of the modified asphalt ingredient is not enough.
Disclosure of Invention
In order to overcome the drawbacks of the prior art, the object of the present invention is to provide an improved mill filter suitable for the homogeneous compounding of modified bitumen.
In order to achieve the purpose, the invention provides a grinding filter suitable for uniformly mixing modified asphalt, which comprises a device tank with a feeding channel and a discharging channel, and a filtering component which is arranged in a blocking device tank and positioned between the feeding channel and the discharging channel, wherein the device tank is vertically arranged, the feeding channel is positioned at one side of the lower part of the device tank, the discharging channel is positioned at one side of the upper part of the device tank, the filtering component comprises a plurality of layers of filtering nets which are sequentially arranged at intervals from bottom to top and the pore diameters of the meshes become smaller layer by layer, the plurality of layers of filtering nets are divided into two groups, one group is a fixed filtering net group fixed on the inner wall of the device tank, the other group is a grinding filtering net group horizontally and rotatably arranged in the device tank around the center of the other group, the filtering nets respectively forming the fixed filtering net group and the grinding filtering net group are sequentially distributed at.
Preferably, the fixed screen set and the abrasive screen set are sequentially spaced and uniformly distributed.
According to a specific implementation and preferred aspect of the invention, a grinding area is formed between every two adjacent filter screens in the fixed filter screen group and the inner wall of the corresponding tank, the filter screen of the grinding filter screen group is correspondingly arranged in each grinding area, and a gap is formed between the periphery of each filter screen of the grinding filter screen group and the tank. Through the space setting in this application, the material of being convenient for stirs the grinding in the grinding district that corresponds, and then promotes the crushing and the dispersion ability that are located every grinding district corresponding particle diameter material caking by a wide margin, has also promoted the material filtration efficiency in each grinding district simultaneously.
Preferably, the outer contour of the periphery of each filter screen of the abrasive filter screen set is aligned up and down.
According to a further embodiment and preferred aspect of the invention, the drive mechanism comprises a drive shaft extending in the height direction of the tank and perpendicularly through each filter screen, a drive arranged at the top of the tank for driving the drive shaft in rotation, wherein the fixed filter screen pack is rotatably connected to the drive shaft by a rotary connection and the abrasive filter screen pack is fixedly connected to the drive shaft by a fixed connection.
Preferably, the upper part of the driving shaft penetrates out of a tank cover of the container tank and is connected with the tank cover in a sealing way; the bottom of the driving shaft and the bottom of the container tank are relatively rotated and hermetically connected.
Furthermore, the driver comprises a base arranged on the tank cover, a speed reducer arranged on the base, a driving motor and a transmission part for driving and connecting the end part of the driving shaft which protrudes out of the tank cover with the speed reducer, and the upper part of the driving shaft is rotatably arranged on the base.
In addition, the filter screen in the fixed filter screen group is positioned at the bottommost part of the multiple layers of filter screens; the topmost filter screen in the plurality of filter screens is one filter screen in the grinding filter screen group. The filter screen with the rotating top can improve the discharging effect; the filter screen at the bottom has the largest aperture, so that the large-particle-size agglomerates can be broken up and rapidly enter the grinding area as long as the material parts are extruded.
Preferably, the feeding channel and the discharging channel are positioned on two opposite sides of the container tank, the vertical distance between the centers of the feeding channel and the discharging channel is 1/2-4/5 of the height of the container tank, and the multi-layer filter screen is distributed in the corresponding area between the top of the connecting part of the feeding channel and the container tank and the bottom of the connecting part of the discharging channel and the container tank. The distribution interval of the multi-layer filter screen is limited by the positions of the feeding channel and the discharging channel.
Compared with the prior art, the invention has the following advantages:
the invention gradually grinds and filters caking materials with different particle sizes from large to small through the arrangement of the plurality of layers of filter screens, thereby ensuring that the materials discharged from the discharge channel are fine and uniform, and meeting the blending requirement of the modified asphalt.
Drawings
FIG. 1 is a schematic diagram of the construction of a mill filter according to the invention;
FIG. 2 is a schematic top view of a filter screen of the stationary screen assembly of FIG. 1;
FIG. 3 is a schematic top view of one of the abrasive filter screens of the abrasive filter screen assembly of FIG. 1;
in the drawings: 1. a vessel tank; 10. a feed channel; 11. a discharge channel; 12. a can lid; 2. a filter assembly; 20. a filter screen; a. fixing the filter screen group; b. grinding the filter screen set; 3. a drive mechanism; 30. a drive shaft; c. rotating the connecting piece; d. fixing the connecting piece; 31. a driver; 310. a base; 311. a speed reducer; 312. a drive motor; q, a grinding area.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the mill filter suitable for uniformly blending modified asphalt according to the present embodiment includes a tank 1 having a feeding channel 10 and a discharging channel 11, and a filter assembly 2 disposed inside the tank 1 and between the feeding channel 10 and the discharging channel 11.
Specifically, the vessel 1 is vertically arranged, the feed channel 10 is located at one side of the lower part of the vessel 1, and the discharge channel 11 is located at one side of the upper part of the vessel 1. Namely, feeding from the lower part and discharging from the upper part.
The feed channel 10 and the discharge channel 11 are located on opposite sides of the vessel 1, and the vertical distance between the centers of the feed channel 10 and the discharge channel 11 is the height 3/5 of the vessel 1.
The filter assemblies 2 are distributed in the corresponding areas between the top of the connection of the feed channel 10 to the vessel tank 1 and the bottom of the connection of the discharge channel 11 to the vessel tank 1. Defined by the position of the feed channel 10 and the discharge channel 11, thereby defining the distribution interval of the filter assembly 2.
In this embodiment, the filter assembly 2 includes a plurality of layers of filter screens 20 arranged at intervals in sequence from bottom to top and having gradually decreasing mesh diameters, the plurality of layers of filter screens 20 are divided into two groups, one group is a fixed filter screen group a fixed on the inner wall of the container 1, the other group is a grinding filter screen group b horizontally rotatably arranged in the container 1 around the center thereof, wherein the filter screens 20 respectively constituting the fixed filter screen group a and the grinding filter screen group b are arranged at intervals in sequence and uniformly distributed in a distribution interval formed by the feeding channel 10 and the discharging channel 11.
Grinding areas q are formed between every two adjacent filter screens 20 in the fixed filter screen group a and the inner wall of the corresponding tank, the filter screen 20 of the grinding filter screen group b is correspondingly arranged in each grinding area q, and a gap exists between the periphery of each filter screen 20 of the grinding filter screen group and the tank 1. Through the space setting in this application, the material of being convenient for stirs the grinding in the grinding district that corresponds, and then promotes the crushing and the dispersion ability that are located every grinding district corresponding particle diameter material caking by a wide margin, has also promoted the material filtration efficiency in each grinding district simultaneously.
In this example, for the convenience of practical operation, the filter screen 20 in the fixed filter screen group a is positioned at the bottommost part of the multiple layers of filter screens; the topmost of the plurality of filter webs is one filter web 20 of the abrasive filter web set b. The filter screen with the rotating top can improve the discharging effect; the filter screen at the bottom has the largest aperture, so that the large-particle-size agglomerates can be broken up and rapidly enter the grinding area as long as the material parts are extruded.
Meanwhile, the outer contour of the periphery of each filter screen 20 of the grinding filter screen group b is aligned up and down.
In addition, in this embodiment, the special filter grinder further includes a driving mechanism 3 for driving the grinding filter screen group b to rotate.
As shown in fig. 2 and 3, the driving mechanism 3 includes a driving shaft 30 extending along the height direction of the container tank 1 and vertically penetrating each filter screen 20, and a driver 31 provided at the top of the container tank 1 for driving the driving shaft 30 to rotate, wherein the fixed filter screen group a is rotatably connected to the driving shaft 30 by a rotary connecting member c, and the abrasive filter screen group b is fixedly connected to the driving shaft 30 by a fixed connecting member d.
The upper part of the driving shaft 30 penetrates out of the tank cover 12 of the tank 1 and is connected with the tank cover 12 in a sealing way; the bottom of the driving shaft 30 is relatively rotated and hermetically connected with the bottom of the vessel 1.
The driver 31 includes a holder 310 provided on the can cover 12, a speed reducer 311 provided on the holder 310, a driving motor 312, and a transmission member (not shown, but not shown) for drivingly connecting an end of the driving shaft 30 emerging from the can cover 12 to the speed reducer, and an upper portion of the driving shaft 30 is rotatably provided on the holder 310.
As for the arrangement of the transmission part, gear transmission can be adopted, and the specific implementation mode belongs to the common knowledge in the field: a horizontally disposed gear is provided at the upper end of the drive shaft 30, and a vertically disposed transmission gear that meshes with the gear is provided at the output end of the speed reducer 311.
Then, aiming at the installation of the multilayer filter screen and the driving shaft, the multilayer filter screen can be installed on the driving shaft firstly, and then the fixed filter screen group is fixedly connected with the side wall of the device tank through an external piece after the driving shaft is positioned; or the driving shaft is installed first, and then the filter screen is installed layer by layer. Of course, there are other embodiments, which are not described in detail herein.
To sum up, this application stacks the cassette of different mesh numbers, and range upon range of distance keeps certain clearance, theory of operation: the material gets into through the feed inlet, and when the material passed through high-speed rotatory filter disc, the dual function of filtration and grinding had passed through, and the crushing and the filtration that impurity obtained in the material, simultaneously, filter repeatedly and the process of grinding, the caking granule in the material can obtain cascaded filtration, and finally, fine and smooth homogeneous material gets into next process from the discharge gate, consequently, the function in an organic whole of two kinds of equipment of this equipment collection filter and mill, the even batching of specially adapted modified asphalt.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a grind filter suitable for modified asphalt even batching, its includes the ware jar that has feedstock channel and discharging channel, intercepts the setting inside the ware jar and be located feedstock channel with filtering component between the discharging channel, its characterized in that: the filter assembly comprises multiple layers of filter screens which are sequentially arranged from bottom to top at intervals and have gradually-reduced mesh aperture, the multiple layers of filter screens are divided into two groups, one group is a fixed filter screen group fixed on the inner wall of the filter tank, the other group is a grinding filter screen group horizontally and rotatably arranged in the filter tank around the center of the filter assembly, the filter screens respectively forming the fixed filter screen group and the grinding filter screen group are sequentially distributed at intervals, and the grinding filter further comprises a driving mechanism for driving the grinding filter screen group to rotate; the filter screen in the fixed filter screen group is positioned at the bottommost part of the multiple layers of filter screens; the topmost filter screen in the multiple layers of filter screens is one filter screen in the grinding filter screen group.
2. A mill-filter suitable for the homogeneous mixing of modified asphalt according to claim 1, wherein: the fixed filter screen group and the grinding filter screen group are sequentially spaced and uniformly distributed.
3. A mill-filter suitable for the homogeneous mixing of modified asphalts according to claim 1 or 2, characterized in that: every adjacent two in the fixed filter screen group filter screen, and what correspond form the grinding district between the ware jar inner wall, grind filter screen group the filter screen corresponds the setting in each grind in the district, just grind each of filter screen group the filter screen peripheral with there is the space between the ware jar.
4. A mill-filter suitable for the homogeneous mixing of modified asphalt according to claim 3, wherein: the outer contour of the periphery of each filter screen of the grinding filter screen group is vertically aligned.
5. A mill-filter suitable for the homogeneous mixing of modified asphalt according to claim 1, wherein: the driving mechanism comprises a driving shaft extending along the height direction of the filter tank and vertically penetrating through each filter screen, and a driver arranged at the top of the filter tank and used for driving the driving shaft to rotate, wherein the fixed filter screen group is rotationally connected with the driving shaft through a rotating connecting piece, and the grinding filter screen group is fixedly connected with the driving shaft through a fixed connecting piece.
6. A mill filter suitable for uniformly mixing modified asphalt according to claim 5, wherein: the upper part of the driving shaft penetrates through a tank cover of the tank and is connected with the tank cover in a sealing way; the bottom of the driving shaft and the bottom of the container tank are relatively rotated and hermetically connected.
7. The mill-filter for uniformly mixing modified asphalt according to claim 6, wherein: the driver comprises a base arranged on the tank cover, a speed reducer arranged on the base, a driving motor and a transmission piece for driving and connecting the end part of the driving shaft which protrudes out of the tank cover with the speed reducer, wherein the upper part of the driving shaft is rotatably arranged on the base.
8. A mill-filter suitable for the homogeneous mixing of modified asphalt according to claim 1, wherein: the feed channel with discharging channel be located the relative both sides of ware jar, just feed channel with discharging channel's central vertical distance be ware jar height 1/2~4/5, multilayer filter screen distributes in the feed channel with the top of ware jar connecting portion with discharging channel with in the region that corresponds between the bottom of ware jar connecting portion.
CN201910459558.9A 2019-05-29 2019-05-29 Mill filter suitable for modified asphalt uniform blending Active CN110170357B (en)

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Application Number Priority Date Filing Date Title
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CN110170357B true CN110170357B (en) 2021-07-16

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199111A (en) * 1975-07-11 1980-04-22 Schmidt & Sonner Maskinfabrik A/S Beater mill
DE3010967A1 (en) * 1979-03-21 1980-10-02 Richter Gedeon Vegyeszet DEVICE FOR FILTERING SOLIDS / LIQUID MIXTURES, ESPECIALLY DRINKING, SLURRY AND SUSPENSIONS, OR CLEANING PIECE-LIKE SOLID MATERIALS BY WASHING AND / OR SEPARATING MATCH-LIKE FASTENERS, OWN-SPECIFIC, AND IN-OWN-SPECIFIC PASTE-SHAPED MATERIALS BY WASHING OUT, OR FOR CLASSIFYING SOLID GRAIN AND / OR PIECE MATERIALS AFTER THE GRAIN SIZE AND / OR SEPARATING SOLID, PARTICULARLY UNCLEANING, COMPONENTS OF SUCH MATERIALS
CN2454028Y (en) * 2000-11-21 2001-10-17 深圳路安特沥青高新技术有限公司 Modified asphalt shearing-homogenizing mill
CN205392682U (en) * 2016-03-07 2016-07-27 江西一元再生资源有限公司 Mining superfine ore grinding sorting machine
CN106824357A (en) * 2017-03-01 2017-06-13 深圳市玖创科技有限公司 A kind of reciprocating multistage graphite crush box
CN207667787U (en) * 2017-12-08 2018-07-31 安徽原生态农业科技有限公司 A kind of ganoderma lucidium spore powder wall breaking device
CN208288114U (en) * 2018-02-09 2018-12-28 石家庄中农同创生物科技有限公司 Feed abrasive material and its material control device
CN208642802U (en) * 2018-07-27 2019-03-26 浙江金龙纸业有限公司 A kind of mill machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199111A (en) * 1975-07-11 1980-04-22 Schmidt & Sonner Maskinfabrik A/S Beater mill
DE3010967A1 (en) * 1979-03-21 1980-10-02 Richter Gedeon Vegyeszet DEVICE FOR FILTERING SOLIDS / LIQUID MIXTURES, ESPECIALLY DRINKING, SLURRY AND SUSPENSIONS, OR CLEANING PIECE-LIKE SOLID MATERIALS BY WASHING AND / OR SEPARATING MATCH-LIKE FASTENERS, OWN-SPECIFIC, AND IN-OWN-SPECIFIC PASTE-SHAPED MATERIALS BY WASHING OUT, OR FOR CLASSIFYING SOLID GRAIN AND / OR PIECE MATERIALS AFTER THE GRAIN SIZE AND / OR SEPARATING SOLID, PARTICULARLY UNCLEANING, COMPONENTS OF SUCH MATERIALS
CN2454028Y (en) * 2000-11-21 2001-10-17 深圳路安特沥青高新技术有限公司 Modified asphalt shearing-homogenizing mill
CN205392682U (en) * 2016-03-07 2016-07-27 江西一元再生资源有限公司 Mining superfine ore grinding sorting machine
CN106824357A (en) * 2017-03-01 2017-06-13 深圳市玖创科技有限公司 A kind of reciprocating multistage graphite crush box
CN207667787U (en) * 2017-12-08 2018-07-31 安徽原生态农业科技有限公司 A kind of ganoderma lucidium spore powder wall breaking device
CN208288114U (en) * 2018-02-09 2018-12-28 石家庄中农同创生物科技有限公司 Feed abrasive material and its material control device
CN208642802U (en) * 2018-07-27 2019-03-26 浙江金龙纸业有限公司 A kind of mill machine

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