CN109967213A - A kind of ore crusher and its breaking method - Google Patents
A kind of ore crusher and its breaking method Download PDFInfo
- Publication number
- CN109967213A CN109967213A CN201910374050.9A CN201910374050A CN109967213A CN 109967213 A CN109967213 A CN 109967213A CN 201910374050 A CN201910374050 A CN 201910374050A CN 109967213 A CN109967213 A CN 109967213A
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- ore
- host
- stripper plate
- crushing device
- hydraulic cylinder
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Classifications
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
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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
- B02C21/00—Disintegrating plant with or without drying of the 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
- 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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/44—Cooling or heating rollers or bars
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of ore crusher and its breaking methods, belong to ore processing technical field.The present invention includes host, the upper surface of the host offers feed inlet, the inside interval of host is equipped with roller type crushing device, the roller type crushing device is made of driving motor, main shaft, broken impeller and gear ring, the bottom of the roller type crushing device is provided with attrition crushing device, attrition crushing device host surface loop around setting, attrition crushing device is made of hydraulic cylinder, stripper plate and taper crushing teeth.The present invention is by replacing traditional smooth surface structure using sharp gear ring; the extruding force caused by ore is more concentrated when ring gear against rotation; hard ore quick crashing can be opened; improve ore reduction efficiency; it is stronger for the protectiveness of broken impeller; gravity when ore falls is converted into the impact force to ore itself, so that ore is easier to decompose, lysis efficiency is higher.
Description
Technical field
The present invention relates to ore processing technical fields, more specifically to a kind of ore crusher and its breaking method.
Background technique
Public mine industrial machinery mainly includes mining machine and benficiation machinery, again includes the machines such as muck, cleaning in benficiation machinery
Tool, the method for ore reduction are mainly according to the physical-mechanical properties of ore, the size of lump pan feeding and required broken
Broken ratio etc. is because usually determining, the mechanical property of the broken complexity of mineral and mineral has close relationship, and ore is being chosen
It generally requires first to be crushed before choosing, and the work of breaking ores is usually completed by ore crusher.Existing ore is broken
Broken machine design comparison tradition, mostly uses greatly the rotatable quartering hammer of installation to smash ore, breaking capacity is limited.Cause existing
Some ore crushers are inefficient when being crushed firm ore, are difficult for hard ore to be rapidly crushed and open, and is existing
With the presence of equipment ore reduction low efficiency, it is broken that force cannot targetedly be carried out for ore of different sizes, therefore waste
The energy, while production efficiency is lower.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides a kind of ore crusher and its breaking method,
By replacing traditional smooth surface structure using sharp gear ring, when ring gear against rotation, the extruding force caused by ore is more for the invention
To concentrate, hard ore quick crashing can be opened, improve ore reduction efficiency.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of ore crusher of the invention, including host, the upper surface of the host offer feed inlet, host
Inside interval is equipped with the consistent roller type crushing device of multiple groups model, and the roller type crushing device is by driving motor, main shaft, broken
Leaf cutting wheel and gear ring composition, driving motor are fixedly mounted on the outside of host, and the output end of the driving motor extends to master
The inside of machine is simultaneously connected with main shaft, and the outer ring of main shaft is set with broken impeller, and the outer surface of broken impeller is fixedly welded rack gear,
The bottom of the roller type crushing device is provided with attrition crushing device, attrition crushing device host surface loop around setting,
Attrition crushing device is made of hydraulic cylinder, stripper plate and taper crushing teeth, the fixed surface for being inlaid in host of the hydraulic cylinder,
The output end of hydraulic cylinder is fixedly connected with stripper plate, and the equal fixed cast in the two sides of stripper plate has taper crushing teeth, taper crushing teeth
Equidistant interval is arranged in the plate face of stripper plate；
The inside level of the host is fitted with Turbogrid plates, and the bottom surface of host offers discharge gate, and the bottom of host is solid
It is fixed that embedded with accurate strainer, the bottom of the accurate strainer is provided with circulating sprayer, circulating sprayer by booster pump,
Water tank, spray tube, backing and spray head composition, the bottom of the host are connected to by pipeline with water tank, water tank it is defeated
Outlet is connected with booster pump, and the output end of booster pump is connected with spray tube, and the output end interval of the spray tube is equipped with spray
Head is drenched, the surface of spray tube is fixedly installed with backing.
Further, belt conveyor is tiltedly installed on the outside of the feed inlet.
Further, the main shaft is arranged in the inner horizontal of host, and one end of main shaft and host activities are assembled, main shaft
The other end be fixedly attached with driving motor, be crushed impeller host inside equidistant interval be arranged.
Further, the stripper plate is the uniform arc panel of plate thickness, and opposed stripper plate, which synchronizes, to be forward extended out, phase
Adjacent stripper plate alternately forward extends out.
Further, one end of the spray tube and booster pump are tightly connected, and the other end of spray tube extends to host
Inside and the inner inclination of host be arranged.
A kind of breaking method of ore crusher, the steps include:
Step 1: opening driving motor, hydraulic cylinder, the idle running of broken leaf wheel, and hydraulic cylinder drives stripper plate reciprocal telescopic movement；
Step 2: water source built in water tank opens booster pump and carries out circulated sprinkling, cools down for gear ring, taper crushing teeth；
Step 3: belt conveyor conveys ore raw materials, and gear ring contact with ore so that ore tentatively cracks, tentatively cracking
In the plate face for conveying and being deposited in Turbogrid plates under backward；
Step 4: hydraulic cylinder drives stripper plate reciprocal telescopic movement and is repeatedly crushed for ore；
Step 5: in shattering process, ore size be less than Turbogrid plates plate face lattice dimensions material pass through Turbogrid plates and to
Lower conveying, the material lagging that ore size is greater than Turbogrid plates plate face lattice dimensions are subjected to repeatedly broken in the plate face of Turbogrid plates；
Step 6: after the completion of broken, discharge gate is opened, recycles breaking ores.
Further, when the hydraulic cylinder drives stripper plate to retract, the taper crushing teeth of back is squeezed for accumulation
Ore at host inner wall position is crushed, when hydraulic cylinder drives stripper plate to stretch out, the positive taper crushing teeth of stripper plate
It is crushed for the ore being deposited at host CPU position.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
The present invention is by replacing traditional smooth surface structure using sharp gear ring, when ring gear against rotation caused by ore
Extruding force is more concentrated, and hard ore quick crashing can be opened, and ore reduction efficiency is improved, for the protection of broken impeller
Property it is stronger, ore fall when gravity be converted into the impact force to ore itself so that ore is easier to decompose, lysis efficiency is more
Height carries out extrusion operation using four groups of attrition crushing devices, and opposed stripper plate, which synchronizes, to be forward extended out, and adjacent stripper plate is handed over
For forward extending out, stripper plate two sides are provided with taper crushing teeth, so that it is guaranteed that the working range of taper crushing teeth can effectively be covered
The entire inner cavity of lid host, circulating sprayer effectively can carry out physics drop for roller type crushing device and attrition crushing device
Temperature can also wash away the inside of host simultaneously at the end of ore crushing technique, have the function that cleaning.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is partial left side view of the invention；
Fig. 3 is attrition crushing device operational effect figure of the invention.
In figure: 1, host；11, feed inlet；12, discharge gate；2, roller type crushing device；21, driving motor；22, main shaft；
23, it is crushed impeller；24, gear ring；3, attrition crushing device；31, hydraulic cylinder；32, stripper plate；33, taper crushing teeth；4, grid
Plate；5, circulating sprayer；51, booster pump；52, water tank；53, spray tube；54, backing；55, spray head；6, accurate filter
Net.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
From Fig. 1-3 as can be seen that a kind of ore crusher of the present embodiment, including host 1, the upper surface of host 1 open up
There is feed inlet 11, the outside of feed inlet 11 is tiltedly installed with belt conveyor, and belt conveyor conveys ore, and feed inlet 11 is spacious
Shape is opened, to observe 1 inside storing situation of host, avoids feed from excessively causing material accumulation, the inside interval of host 1 is equipped with
The consistent roller type crushing device 2 of multiple groups model, roller type crushing device 2 is by driving motor 21, main shaft 22, broken impeller 23 and gear ring
24 compositions, driving motor 21 are fixedly mounted on the outside of host 1, and the output end of driving motor 21 extends to the inside of host 1 simultaneously
It is connected with main shaft 22, the outer ring of main shaft 22 is set with broken impeller 23, and the outer surface of broken impeller 23 is fixedly welded rack gear 24,
Driving motor 21 drives 22 uniform rotation of main shaft, and the broken impeller 23 on its surface can also rotate synchronously, and main shaft 22 is in host 1
Inner horizontal setting, one end of main shaft 22 and 1 activity of host are assembled, and the other end and the driving motor 21 of main shaft 22 are fixedly attached,
Broken impeller 23 is arranged in the inside equidistant interval of host 1, and the spacing between roller type crushing device 2 is adjustable, so as to real-time
Adjacent the distance between gear ring 24 is adjusted, roller type crushing device 2 replaces traditional smooth roll surface knot using sharp gear ring 24
Structure, the extruding force caused by ore is more concentrated when gear ring 24 rotates, and hard ore quick crashing can be opened, and ore is improved
Crushing efficiency, stronger for the protectiveness of broken impeller 23, gravity when ore falls is converted into the impact force to ore itself,
So that ore is easier to decompose, lysis efficiency is higher, and the bottom of roller type crushing device 2 is provided with attrition crushing device 3, squeezes broken
Crushing device 3 host 1 surface loop around setting, attrition crushing device 3 is by hydraulic cylinder 31, stripper plate 32 and 33 groups of taper crushing teeth
At the fixed surface for being inlaid in host 1 of hydraulic cylinder 31, the output end of hydraulic cylinder 31 is fixedly connected with stripper plate 32, stripper plate 32
The equal fixed cast in two sides have a taper crushing teeth 33, the equidistant interval in the plate face of stripper plate 32 of taper crushing teeth 33 is arranged.
Stripper plate 32 is the uniform arc panel of plate thickness, and, with certain working strength, four groups of setting is identical to squeeze for its own
It crushes crushing device 3 and carries out extrusion operation, opposed stripper plate 32, which synchronizes, to be forward extended out, and adjacent stripper plate 32 is alternately to extension
Out, meanwhile, 32 two sides of stripper plate are provided with taper crushing teeth 33, and when stripper plate 32 retracts, the inner wall of host 1 is as support mine
The broken working face of stone, the taper crushing teeth 33 at 32 back side of stripper plate are directed to the ore being deposited at 1 inner wall position of host and carry out
Broken, when hydraulic cylinder 31 drives stripper plate 32 to stretch out, opposed two groups of stripper plates 32 as working face broken each other, are squeezed
The positive taper crushing teeth 33 of pressing plate 32 is crushed for the ore for being deposited in 1 central position of host, so that it is guaranteed that taper
The working range of crushing teeth 33 can effectively cover the entire inner cavity of host 1.
The inside level of host 1 is fitted with Turbogrid plates 4, and the ore greater than 4 size of Turbogrid plates is trapped in its plate face, is less than
The ore of 4 size of Turbogrid plates penetrates the whereabouts of Turbogrid plates 4, and the bottom surface of host 1 offers discharge gate 12, and the bottom fixation of host 1 is embedding
Equipped with accurate strainer 6, the bottom of accurate strainer 6 is provided with circulating sprayer 5, and circulating sprayer 5 is by booster pump 51, water tank
52, spray tube 53, backing 54 and spray head 55 form, and the bottom of host 1 is connected to by pipeline with water tank 52, water tank 52
Output end is connected with booster pump 51, and the output end of booster pump 51 is connected with spray tube 53, the output end interval installation of spray tube 53
There is spray head 55, the surface of spray tube 53 is fixedly installed with backing 54, and backing 54 protects spray tube 53, and ore falls
When can inevitably strike spray tube 53, utilize backing 54 buffer stress, improve spray tube 53 service life, water
Stream eventually penetrates accurate strainer 6 and flows into water tank 52, completes circulation, repeatedly after circulation, removes water tank 52, replaces internal water source
?.
One end of spray tube 53 and booster pump 51 are tightly connected, and avoid water flow from overflowing, the other end of spray tube 53 extends to
The inside of host 1 is simultaneously arranged in the inner inclination of host 1, is obliquely installed convenient for improving flow rate of water flow, ore can also be avoided stagnant
The top of spray tube 53 is stayed in, circulating sprayer 5 can be carried out effectively for roller type crushing device 2 and attrition crushing device 3
Physical temperature-lowering can also wash away the inside of host 1 simultaneously at the end of ore crushing technique, have the function that cleaning.
A kind of breaking method of ore crusher, the steps include:
Step 1: opening driving motor 21, hydraulic cylinder 31, is crushed impeller 23 and dallies, hydraulic cylinder 31 drives stripper plate 32 past
Multiple stretching motion；
Step 2: water source built in water tank 52 opens booster pump 51 and carries out circulated sprinkling, for gear ring 24, taper crushing teeth
33 coolings；
Step 3: belt conveyor conveys ore raw materials, and gear ring 24 is contacted with ore so that ore tentatively cracks, and tentatively splits
It conveys and is deposited in the plate face of Turbogrid plates 4 under Xie Houxiang, the mineral dust of small size can then be directed through Turbogrid plates 4 and fall into master
The bottom of machine 1；
Step 4: hydraulic cylinder 31 drives 32 reciprocal telescopic movement of stripper plate and is repeatedly crushed for ore, keeps away simultaneously
Exempt from the static accumulation of ore, when hydraulic cylinder 31 drives stripper plate 32 to retract, the taper crushing teeth 33 at 32 back side of stripper plate is for accumulation
Ore at 1 inner wall position of host is crushed, when hydraulic cylinder 31 drives stripper plate 32 to stretch out, the positive taper of stripper plate 32
Crushing teeth 33 is crushed for the ore for being deposited in 1 central position of host；
Step 5: in shattering process, the material that ore size is less than 4 plate face lattice dimensions of Turbogrid plates passes through Turbogrid plates 4 simultaneously
Conveying downwards, the material lagging that ore size is greater than 4 plate face lattice dimensions of Turbogrid plates are subjected to repeatedly broken in the plate face of Turbogrid plates 4
It is broken；
Step 6: after the completion of broken, discharge gate 12 is opened, recycles breaking ores.
The present invention by replacing traditional smooth surface structure using sharp gear ring 24, make ore when rotating by gear ring 24
At extruding force more concentrate, hard ore quick crashing can be opened, improve ore reduction efficiency, for broken impeller 23
Protectiveness it is stronger, gravity when ore falls is converted into the impact force to ore itself so that ore is easier to decompose, cracking
It is more efficient, extrusion operation is carried out using four groups of attrition crushing devices 3, opposed stripper plate 32, which synchronizes, to be forward extended out, adjacent
Stripper plate 32 alternately forward extend out, 32 two sides of stripper plate are provided with taper crushing teeth 33, so that it is guaranteed that taper crushing teeth 33
Working range can effectively cover the entire inner cavity of host 1, circulating sprayer 5 can effectively for roller type crushing device 2 and squeeze
The inside of host 1 can also be washed away simultaneously, reach the work of cleaning at the end of ore crushing technique by crushing the progress Physical temperature-lowering of crushing device 3
With.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of ore crusher, including host (1), it is characterised in that: the upper surface of the host (1) offers feed inlet
(11), the inside interval of host (1) is equipped with the consistent roller type crushing device of multiple groups model (2), the roller type crushing device
(2) it is made of driving motor (21), main shaft (22), broken impeller (23) and gear ring (24), driving motor (21) is fixedly mounted on
The outside of host (1), the output end of the driving motor (21) extend to the inside of host (1) and are connected with main shaft (22),
The outer ring of main shaft (22) is set with broken impeller (23), and the outer surface of broken impeller (23) is fixedly welded rack gear (24), described
The bottom of roller type crushing device (2) be provided with attrition crushing device (3), surface loop of the attrition crushing device (3) in host (1)
Around setting, attrition crushing device (3) is made of hydraulic cylinder (31), stripper plate (32) and taper crushing teeth (33), and described is hydraulic
The fixed surface for being inlaid in host (1) of cylinder (31), the output end of hydraulic cylinder (31) are fixedly connected with stripper plate (32), stripper plate
(32) the equal fixed cast in two sides has taper crushing teeth (33), between taper crushing teeth (33) is equidistant in the plate face of stripper plate (32)
Every setting；
The inside level of the host (1) is fitted with Turbogrid plates (4), and the bottom surface of host (1) offers discharge gate (12), host
(1) bottom is fixed embedded with accurate strainer (6), and the bottom of the accurate strainer (6) is provided with circulating sprayer (5),
Circulating sprayer (5) is made of booster pump (51), water tank (52), spray tube (53), backing (54) and spray head (55),
The bottom of the host (1) is connected to by pipeline with water tank (52), and the output end of water tank (52) is connected with booster pump (51), is increased
The output end of press pump (51) is connected with spray tube (53), and the output end interval of the spray tube (53) is equipped with spray head
(55), the surface of spray tube (53) is fixedly installed with backing (54).
2. a kind of ore crusher according to claim 1, it is characterised in that: the outside of the feed inlet (11) tilts
It is provided with belt conveyor.
3. a kind of ore crusher according to claim 1, it is characterised in that: the main shaft (22) is in host (1)
Inner horizontal setting, one end of main shaft (22) and host (1) activity are assembled, and the other end of main shaft (22) and driving motor (21) are solid
Fixed socket, the inside equidistant interval for being crushed impeller (23) in host (1) are arranged.
4. a kind of ore crusher according to claim 1, it is characterised in that: the stripper plate (32) is that plate thickness is uniform
Arc panel, opposed stripper plate (32), which synchronizes, to be forward extended out, adjacent stripper plate (32) alternately forward extends out.
5. a kind of ore crusher according to claim 1, it is characterised in that: one end of the spray tube (53) and increasing
Press pump (51) is tightly connected, and the other end of spray tube (53) extends to the inside of host (1) and sets in the inner inclination of host (1)
It sets.
6. a kind of breaking method of ore crusher, it is characterised in that: the steps include:
Step 1: opening driving motor (21), hydraulic cylinder (31), is crushed impeller (23) idle running, and hydraulic cylinder (31) drives stripper plate
(32) reciprocal telescopic movement；
Step 2: water source built in water tank (52) opens booster pump (51) and carries out circulated sprinkling, broken for gear ring (24), taper
Tooth (33) cooling；
Step 3: belt conveyor conveys ore raw materials, and gear ring (24) contact with ore so that ore tentatively cracks, tentatively cracking
It conveys and is deposited in the plate face of Turbogrid plates (4) under backward；
Step 4: hydraulic cylinder (31) drives stripper plate (32) reciprocal telescopic movement and is repeatedly crushed for ore；
Step 5: in shattering process, the material that ore size is less than Turbogrid plates (4) plate face lattice dimensions passes through Turbogrid plates (4) simultaneously
Conveying downwards, the material lagging that ore size is greater than Turbogrid plates (4) plate face lattice dimensions are subjected to more in the plate face of Turbogrid plates (4)
It is secondary broken；
Step 6: it after the completion of broken, opens discharge gate (12), recycles breaking ores.
7. a kind of breaking method of ore crusher according to claim 6, it is characterised in that: the hydraulic cylinder (31)
When stripper plate (32) being driven to retract, the taper crushing teeth (33) at stripper plate (32) back side, which is directed to, is deposited in host (1) inner wall position
The ore at place is crushed, when hydraulic cylinder (31) drives stripper plate (32) to stretch out, the positive taper crushing teeth of stripper plate (32)
(33) it is crushed for the ore for being deposited in host (1) central position.
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| CN201910374050.9A CN109967213A (en) | 2019-05-07 | 2019-05-07 | A kind of ore crusher and its breaking method |
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| CN201910374050.9A CN109967213A (en) | 2019-05-07 | 2019-05-07 | A kind of ore crusher and its breaking method |
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