CN109453842B - Cone crusher with powerful extrusion - Google Patents

Cone crusher with powerful extrusion Download PDF

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Publication number
CN109453842B
CN109453842B CN201811613230.XA CN201811613230A CN109453842B CN 109453842 B CN109453842 B CN 109453842B CN 201811613230 A CN201811613230 A CN 201811613230A CN 109453842 B CN109453842 B CN 109453842B
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cone
extrusion
movable
fixed
grinding
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CN109453842A (en
Inventor
刘宁昌
张少杰
张学峰
刘庆龙
丁亮
潘宏洲
邱建泉
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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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
    • B02C2/00Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis

Abstract

A cone crusher for high-power extrusion in building material, metallurgy and chemical engineering features that its crushing principle is that the upper and lower two overlapped conic bodies are used, the upper part of movable cone has multiple pairs of symmetrical extruding cavities, the lower part has saw-toothed grinding lines, the fixed cone is hollow cone, and its internal surface has saw-toothed grinding lines. The material is added into the middle part between two horizontally placed overlapped conical bodies, wherein the fixed cone is static, the movable cone rotates, for example, two extrusion cavities which are symmetrical at the upper part of the movable cone are used for feeding, the other two extrusion cavities are used for extruding, the material is pushed into a grinding cavity by virtue of strength after being extruded and ground by strength, and the material is taken out from the edge between two cone disks after continuous extrusion, shearing and grinding for a short time. The cone crusher with powerful extrusion has stronger continuous extrusion, shearing and grinding capacity to various materials, can enlarge equipment, greatly improve yield and reduce cost.

Description

Cone crusher with powerful extrusion
Technical Field
The invention relates to a crushing device in the technical fields of building materials, metallurgy and chemical industry, in particular to a cone crusher with powerful extrusion, which is particularly suitable for processing non-metallic minerals.
Background
At present, as is well known, material fine crushing equipment generally adopted in the industries of building materials, metallurgy, chemical industry, mines, ceramics, glass and the like at home and abroad is mainly a cone crusher, an outer grinding sleeve of the cone crusher is a fixed cone or is pulled by a spring to keep compaction and slow down impact, a rotatable bias head moving cone is arranged in the cone crusher, one side of the bias head moving cone, which is close to the fixed cone, is an extrusion area, the other side of the bias head moving cone is a material discharge area, and the moving cone continuously and simultaneously extrudes and discharges materials in the rotating process; however, because the lower part of the movable cone is fixed, the upper extrusion head is suspended, and the generated extrusion force is limited, the maximum installed power is less than 150kw at present, and the large-scale operation is difficult.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a cone crusher with powerful extrusion, which can be large-sized and can meet the requirements of fine crushing of various materials.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a cone crusher with powerful extruded, including fixed awl 1, fixed awl 1 is interior hollow cone, and its interior hollow portion is provided with the awl 2 that moves of its coaxial line, wherein, move 2 upper portions of awl and evenly install a plurality of extrusion pieces 5 in pairs, constitute extrusion chamber 3 between extrusion piece 5 and the 1 inner wall upper portion of fixed awl, and feeding is accepted in one of them part extrusion chamber 3, and the extrusion material is accomplished simultaneously in another part extrusion chamber 3, is provided with at the cone cavity position center that moves awl 2 and is used for promoting 5 reciprocating motion of extrusion piece in order to realize carrying out extruded cam 7 to the extrusion intracavity 3 interior material, fixed 1 inner wall lower part of awl and the 2 outer wall lower parts of moving awl form grinding chamber 4, and the material after the extrusion gets into grinding chamber 4.
The cone angle of the fixed cone 1 is smaller than that of the movable cone 2, the diameters of the fixed cone 1 and the movable cone 2 are in the range of phi 300-phi 8000 mm, and the diameter of a common cone is between phi 500-phi 6000 mm.
The fixed cone 1 is a hollow cone, the upper taper angle of the fixed cone is smaller than the lower taper angle of the fixed cone, the movable cone 2 is a cone hollow structure, the upper taper angle of the movable cone is smaller than the lower taper angle of the movable cone, and the cam 7 is located in the cone hollow of the movable cone 2 and is fixed; the extrusion block 5 is positioned on the upper cone of the movable cone 2 and rotates along with the movable cone 2.
The extrusion block 5 is an arc-shaped body with gradually changed width, the small end of the extrusion block is connected to the movable cone 2 through the rotating shaft 20, the large end of the extrusion block is pushed by the cam 7 and rotates at a small angle around the rotating shaft 20, so that the extrusion block 5 moves towards the inner wall direction of the fixed cone 1, and the extrusion of materials in the extrusion cavity 3 is realized.
A rubber buffer pad 6 is arranged in the extrusion block 5; the pressing block 5 is pushed forward by the cam 7 and rapidly retreated backward by the spring 13.
The lower outer edge of the movable cone 2 and the inner surface of the fixed cone 1 are both processed with sawtooth-shaped grinding lines 19.
The fixed cone 1 and the movable cone 2 are made of metal materials, ceramics, wear-resistant plastics or other composite materials; the grinding line is made of wear-resistant alloy or wear-resistant non-metallic material, especially wear-resistant alloy material containing needle-like microcrystal structure such as tungsten carbide and chromium carbide.
The movable cone 2 is connected with a vertical speed reducer 10 positioned at the lower part of the movable cone through a movable cone rack 8, the rotating speed of the movable cone 2 driven by the vertical speed reducer 10 to rotate is usually 0.1-2900 r/min, the rotating speed of a most common rotary grinding disc is 0.2-180 r/min, and the rotating speed of the movable cone 2 is continuously adjustable or fixed so as to meet the requirements of different materials and various production processes.
The extrusion chambers 3 are arranged in pairs, the number of the extrusion chambers is 2-8, the number of the extrusion chambers is 4 in common use, two symmetrically distributed material receiving hoppers 15 are used for feeding, the other two extrusion chambers are used for extruding materials simultaneously, the materials are extruded and crushed by strong force and then pushed into the grinding chamber 4 by the strong force, and after the materials are continuously extruded, sheared and ground for a short time, the materials are taken out from the edge between the two conical disks and finally discharged from the discharge port 9.
The fixed cone 1 is connected with a polygonal support frame 11, a limiter 12 and a positioning shaft 17 are installed at the end part of the polygonal support frame 11, the machine does not need to be stopped in the operation process, the distance between the grinding cavities 4 can be extremely conveniently adjusted through the limiter 12, and the size of particles of outlet materials is controlled.
The polygonal supporting frame 11 is provided with a hydraulic elastic system which comprises a pressing and compacting cylinder 14 and an energy accumulator 18, downward applies pressing force required by extrusion and grinding, the pressing force is adjustable, and the fixed cone 1 can be lifted before starting up and under the conditions of shutdown, maintenance and the like.
Compared with the prior art, the invention has stronger continuous extrusion, shearing and grinding capacities on various materials, can enlarge equipment, greatly improves the yield and reduces the cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the fixing cone of the present invention.
Fig. 3 is a schematic structural diagram of the movable cone of the invention.
FIG. 4 is a top view of the moving cone structure of the present invention.
Fig. 5 is a schematic view of the cam structure of the present invention.
FIG. 6 is a schematic of the extrusion and feeding of the present invention.
FIG. 7 is a schematic view of the installation of the rubber cushion of the present invention on the crushing block.
Fig. 8 is a schematic view of a fixing cone mounting structure of the present invention.
In the figure, 1, a fixed cone, 2, a movable cone, 3, an extrusion cavity, 4, a grinding cavity, 5, an extrusion block, 6, a rubber cushion pad, 7, a cam, 8, a movable cone frame, 9, a discharge hole, 10, a vertical speed reducer, 11, a polygonal supporting frame, 12, a limiter, 13, a spring, 14, a pressing compaction cylinder, 15 a distributing hopper, 16, a feeding hopper, 17, a positioning shaft, 18, an energy accumulator, 19, a grinding line and 20 a rotating shaft are arranged.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in figure 1, the cone crusher with powerful extrusion comprises a fixed cone 1 and a movable cone 2 which are coaxial, wherein the fixed cone 1 is a hollow cone, and the upper cone angle of the hollow cone is smaller than the lower cone angle of the hollow cone, as shown in figure 2. The movable cone 2 is a cone hollow structure, the cone angle of the upper part is smaller than that of the lower part, and the cam 7 is positioned in the cone hollow of the movable cone 2 and is fixed; the squeezing blocks 5 are located on the upper cone of the movable cone 2 and rotate together with the movable cone 2, as shown in fig. 3 and 4. The diameters of the fixed cone 1 and the moving cone 2 are in the range of phi 300-phi 8000 mm, and the common diameter is between phi 500-phi 6000 mm. The fixed cone 1 and the movable cone 2 are made of metal materials, ceramics, wear-resistant plastics or other composite materials.
Move 2 upper portions of awl and evenly install a plurality of extrusion pieces 5 through the pivot, constitute extrusion chamber 3 between extrusion piece 5 and the inner wall on fixed awl 1 upper portion, extrusion chamber 3 is arranged in pairs, and quantity is 2 ~ 8, and is 4 commonly used, and two of symmetric distribution accept cloth fill 15 and carry out the feeding, and two realize the extrusion breakage in addition. The hollow cone of the movable cone 2 is provided with a cam 7, the cam 7 is located on the axis and has a symmetrical structure, as shown in fig. 5, and is used for pushing the extrusion block 5 to reciprocate so as to extrude the material in the extrusion cavity 3, as shown in fig. 6, wherein a is a feeding position and B is an extrusion position.
Referring to fig. 4 and 6, the extrusion block 5 is an arc-shaped body with gradually changed width, a small end of the extrusion block is connected to the movable cone 2 through a rotating shaft 20, and a large end of the extrusion block is pushed by the cam 7 to move towards the inner wall of the fixed cone 1, so that the material in the extrusion cavity 3 is extruded. Referring to fig. 7, the pressing block 5 is internally installed with a rubber buffer 16 to maintain the buffer when pushed, and is returned to the original position by the spring 13 after the pushing is finished.
The outer edge of the lower part of the movable cone 2 and the inner surface of the fixed cone 1 are both processed with a milling line 19, the lower part of the inner wall of the fixed cone 1 and the lower part of the outer wall of the movable cone 2 form a milling cavity 4, extruded materials enter the milling cavity 4, and the taper angle of the fixed cone 1 is smaller than that of the movable cone 2, so that the milling cavity 4 is of a structure with a wide upper part and a narrow lower part. The upper and lower grinding layers of the grinding chamber 4 are divided into a plurality of grinding areas, each grinding area is provided with a plurality of grinding lines 19, the grinding lines 19 are radial straight lines or certain shape curves, and the shapes of the cross sections of the grinding lines are saw-tooth shapes or saw-tooth shapes with gradually changed intervals. The grinding line is made of wear-resistant alloy or wear-resistant non-metallic material, especially wear-resistant alloy material containing needle-shaped microcrystal structure such as tungsten carbide and chromium carbide, and is fixed on the grinding substrate by casting, welding, screw connection or riveting. The material is strongly extruded and crushed and then is strongly pushed into the grinding cavity 4, and after short-time continuous extrusion, shearing and grinding, the material is taken out from the edge between the two conical disks and finally discharged from the discharge hole 9.
The movable cone 2 is connected with a vertical speed reducer 10 positioned at the lower part of the movable cone through a movable cone frame 8, the rotating speed of the movable cone 2 driven by the vertical speed reducer 10 to rotate is usually 0.1-2900 r/min, the rotating speed of the most common rotating grinding disc is 0.2-180 r/min, and the rotating speed of the movable cone 2 is continuously adjustable or fixed so as to meet the requirements of different materials and various production processes.
Referring to fig. 1 and 8, the fixed cone 1 is connected with the polygonal support frame 11, the end part of the polygonal support frame 11 is provided with a stopper 12 and a positioning shaft 17, the spacing of the grinding cavities 4 can be adjusted very conveniently through the stopper 12 without stopping the device in the operation process, and the particle size of the material to be discharged can be controlled.
In the invention, the fixed cone 1 can also be directly fastened on a frame, or a hydraulic elastic system is arranged on the polygonal supporting frame 11 for increasing the pressure between two conical surfaces, the hydraulic elastic system comprises a pressing and compacting cylinder 14 and an energy accumulator 18, the pressing force required by extrusion and grinding is downwards applied, the pressing force is adjustable, the pressing cylinder is provided with hydraulic oil by a hydraulic oil station and can be remotely controlled; the compaction cylinder is provided with hydraulic oil by a hydraulic oil station and can be remotely controlled; all liquid lubrication and dry oil lubrication of the mill are provided by a centralized lubrication thin oil station and a dry oil station respectively. And the fixed cone 1 can be lifted before starting up and under the conditions of shutdown, maintenance and the like.
The working principle of the invention is as follows:
the vertical speed reducer 10 drives the movable cone 2 to rotate horizontally, and the fixed cone 1 and the cam 7 are fixed and fixed on the support frame 11; the materials enter one pair of four extrusion cavities 3 through a feed hopper 16 and a distributing hopper 15, the cam 7 pushes the extrusion block 5 to strongly extrude and crush the materials in the other pair of extrusion cavities 3 in the horizontal rotation of the movable cone 2, and then the materials are strongly extruded into the grinding cavities 4 with two sawtooth surfaces, and the materials are continuously extruded, sheared and ground for a short time under the action of an upper grinding line 19 and a lower grinding line and are taken out from the edge between two cone disks of the grinding cavity 4; the material moves downwards and is taken out of the mill through a discharge hole 9; after the cam 7 pushes one pair of the extrusion blocks 5 to complete extrusion and crushing, the next pair of the extrusion blocks 5 complete extrusion and crushing; after the previous pair of extrusion blocks 5 are extruded and crushed, the extrusion blocks 5 are returned by the springs 13, the materials fall into the extrusion cavity 3 while being returned by the extrusion blocks 5, and the movable cone 2 horizontally rotates for a circle to complete secondary feeding and secondary extrusion; the pressing and compacting cylinder 14 applies pressing force to the fixed cone 1, and the energy accumulator 18 plays a role in stabilizing pressure; the positioning shaft 17 protects the pressing cylinder 14; the rubber buffer 6 slows down the overpressure impact of the cam 7 on the extrusion block 5; during the operation of the equipment, the limiting device 12 is used for adjusting the distance between the grinding chambers 4 and controlling the particle size of the outlet material.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A cone crusher with powerful extrusion is characterized by comprising a fixed cone (1), wherein the fixed cone (1) is a hollow cone, a movable cone (2) coaxial with the fixed cone is arranged in the hollow cone, a plurality of extrusion blocks (5) are uniformly arranged on the upper portion of the movable cone (2) in pairs, an extrusion cavity (3) is formed between each extrusion block (5) and the upper portion of the inner wall of the fixed cone (1), one part of the extrusion cavity (3) receives feeding materials, the other part of the extrusion cavity (3) completes extrusion materials simultaneously, a cam (7) for pushing each extrusion block (5) to reciprocate to extrude the materials in the extrusion cavity (3) is arranged in the center of the hollow cone position of the movable cone (2), a grinding cavity (4) is formed on the lower portion of the inner wall of the fixed cone (1) and the lower portion of the outer wall of the movable cone (2), and the extruded materials enter the grinding cavity (4); the fixed cone (1) is a hollow cone, the upper taper angle of the fixed cone is smaller than the lower taper angle of the fixed cone, the movable cone (2) is of a cone hollow structure, the upper taper angle of the movable cone is smaller than the lower taper angle of the movable cone, and the cam (7) is located in the cone hollow of the movable cone (2) and is fixed; the extrusion block (5) is positioned on the upper cone of the movable cone (2) and rotates along with the movable cone (2); the extruding block (5) is an arc-shaped body with gradually changed width, the small end of the extruding block is connected to the movable cone (2) through a rotating shaft (20), the large end of the extruding block is pushed by the cam (7) to rotate around the rotating shaft (20) at a small angle, so that the extruding block (5) moves towards the inner wall direction of the fixed cone (1) to extrude the material in the extruding cavity (3); a rubber buffer pad (6) is arranged in the extrusion block (5); the extrusion block (5) is pushed forwards by the cam (7) and rapidly retreats backwards by the spring (13).
2. A cone crusher with power take-off according to claim 1, characterized in that the cone angle of the stationary cone (1) is smaller than the cone angle of the moving cone (2), and the diameters of the stationary cone (1) and the moving cone (2) are in the range of Φ 300- Φ 8000 mm.
3. A cone crusher with power crushing according to claim 1, characterized in that the lower outer edge of the moving cone (2) and the inner surface of the stationary cone (1) are machined with saw-toothed grinding lines (19).
4. A cone crusher with powerful extrusion according to claim 3, characterized in that the fixed cone (1) and the moving cone (2) are made of metal material, ceramic or wear resistant plastic; the grinding line is made of wear-resistant alloy or wear-resistant non-metallic material.
5. The cone crusher with powerful extrusion according to claim 1, wherein the movable cone (2) is connected with a vertical speed reducer (10) at the lower part of the movable cone through a movable cone frame (8), the vertical speed reducer (10) drives the movable cone (2) to rotate at a rotating speed of 0.1-2900 rpm, and the rotating speed of the movable cone (2) is continuously adjustable or fixed.
6. Cone crusher with powerful extrusion in accordance with claim 1, characterized by that the extrusion chamber (3) has four, symmetrically distributed two receiving hopper (15) for feeding and two other receiving hopper for extrusion, which are forced, crushed and forced into the milling chamber (4), after a short period of continuous extrusion, shearing and milling, are carried along from the edge between the two cone discs and finally discharged from the discharge opening (9).
7. The cone crusher with powerful extrusion of claim 1, characterized in that the fixed cone (1) is connected with a polygonal support frame (11), the end of the polygonal support frame (11) is provided with a stopper (12) and a positioning shaft (17), the spacing of the grinding chambers (4) is adjusted by the stopper (12), the polygonal support frame (11) is provided with a hydraulic elastic system, the hydraulic elastic system comprises a pressure applying and compacting cylinder (14) and an energy accumulator (18), and the pressing force required by extrusion and grinding is applied downwards.
CN201811613230.XA 2018-12-27 2018-12-27 Cone crusher with powerful extrusion Active CN109453842B (en)

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CN109453842B true CN109453842B (en) 2020-07-24

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440568A (en) * 1934-07-02 1936-01-02 Carborundum Co Improvements in or relating to disintegrating apparatus more especially for paper pulp
SU1230672A2 (en) * 1984-11-10 1986-05-15 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых "Механобр" Cone-type inertia crusher
SU1238785A1 (en) * 1984-12-18 1986-06-23 Фрунзенский политехнический институт Cone-type crusher
JPS62185792U (en) * 1986-05-15 1987-11-26
CN103706459A (en) * 2013-12-31 2014-04-09 海盐机械厂 Crushing cavity control mechanism for cone crusher
CN204017888U (en) * 2014-08-19 2014-12-17 湖南安化湘安钨业有限责任公司 A kind of gyratory crusher mine-separating disk
CN205797308U (en) * 2016-06-01 2016-12-14 浙江永成机械有限公司 A kind of tapered sleeve of gyratory crusher
CN107233955A (en) * 2017-07-26 2017-10-10 湘潭市润金新材料有限公司 Autorotation squash type autoclase disintegrating machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440568A (en) * 1934-07-02 1936-01-02 Carborundum Co Improvements in or relating to disintegrating apparatus more especially for paper pulp
SU1230672A2 (en) * 1984-11-10 1986-05-15 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых "Механобр" Cone-type inertia crusher
SU1238785A1 (en) * 1984-12-18 1986-06-23 Фрунзенский политехнический институт Cone-type crusher
JPS62185792U (en) * 1986-05-15 1987-11-26
CN103706459A (en) * 2013-12-31 2014-04-09 海盐机械厂 Crushing cavity control mechanism for cone crusher
CN204017888U (en) * 2014-08-19 2014-12-17 湖南安化湘安钨业有限责任公司 A kind of gyratory crusher mine-separating disk
CN205797308U (en) * 2016-06-01 2016-12-14 浙江永成机械有限公司 A kind of tapered sleeve of gyratory crusher
CN107233955A (en) * 2017-07-26 2017-10-10 湘潭市润金新材料有限公司 Autorotation squash type autoclase disintegrating machine

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