CN104907128A - Disintegrating machine and disintegrating method thereof - Google Patents

Disintegrating machine and disintegrating method thereof Download PDF

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Publication number
CN104907128A
CN104907128A CN201510353127.6A CN201510353127A CN104907128A CN 104907128 A CN104907128 A CN 104907128A CN 201510353127 A CN201510353127 A CN 201510353127A CN 104907128 A CN104907128 A CN 104907128A
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rotary
roller
grinding
disintegrator
mill disc
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CN201510353127.6A
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Chinese (zh)
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CN104907128B (en
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温传岳
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温传岳
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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
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • 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

Abstract

The invention discloses a disintegrating machine. A grinding base is designed into a 'herringbone' shape; the outer edge of the grinding base is at least provided with a fixed grinding ring; a rotary suspension arm is fixed on the outer wall of the upper end of a main shaft; the outer ring of the rotary suspension arm is provided with at least one movable grinding ring and a screen; at least two grinding rollers are installed on the inner and outer rings of a rotary body at equal angles and are of horizontal 'herringbone' shapes; the fit clearance of the grinding rollers and the grinding base is high in exterior and low in interior; the grinding base is low in taper; the grinding rollers are high in taper; the axes of the grinding rollers horizontally warp so as to form an inverted herringbone shape and form four sealed 'herringbone'-shaped structures integrally on a plane; the lower sections of baffles for charging regularly on rotary bodies between the grinding rollers are provided with rough segmentation plates in an arc-shaped mode; inner scraping plates are fixed on inner rings at the lower ends of the rotary bodies; the upper ends of the rotary bodies are provided with charge hoppers; the charge hoppers are internally provided with screens; charge and distributing cones are arranged in the charge hoppers, and thus, a classifier is omitted, no processing dead angle exists, the re-disintegrating rate and excessive-disintegrating rate are low, and energy sources are saved; the rotation speed is accelerated, that is, the production efficiency is enhanced, and the efficiency is high; the disintegrating machine is high in operability, and is especially suitable for mineral separation for metal mine.

Description

A kind of disintegrator and comminution method thereof
Technical field:
The present invention relates to a kind of mining machinery and method thereof, particularly a kind of disintegrator and comminution method thereof of ore being carried out to fragmentation.
Background technology:
At present, the ore that China's gold mine excavates out, after fragmentation, needs to enter comminution, just can enter in flotation device and carry out ore dressing, generally ball mill is adopted during comminution, ball mill is by the cylindrical shell of level, input and output material hollow shaft and mill first class sections composition, cylindrical shell is long cylinder, cylinder is built with abrasive body, cylindrical shell is steel plate manufacture, steel liner plate and cylindrical shell is had to fix, abrasive body is generally steel ball, and press in different-diameter and certain proportion loading cylinder, abrasive body also can be forged with steel, granularity according to grinding material is selected, material loads in cylindrical shell by feeding of ball mill end hollow shaft, when ball mill barrel rotates time, abrasive body is due to inertia and centrifugal action, the effect of frictional force, make it be attached on shell liner to be taken away by cylindrical shell, in time being brought to certain height, left due to the Action of Gravity Field of itself, fall abrasive body as projectile by the material in cylindrical shell to smashing, levigate gradually, finally flow out, carefully after the screening of classified machine enter flotation, thick ball mill of getting back to is refaced.
Following shortcoming is existed for ball mill ore grinding:
1, due to ball mill barrel rotating speed very low (15 ~ 25 turns per minute), as driven with common motor, then need to configure expensive deceleration device, thus, ball mill configuration is quite expensive.
2, because abrasive body is while impact and grinding material, itself also will be subject to mill stripping, the parts such as the liner plate in cylindrical shell are also by mill stripping, and the iron plate consumed amount is a lot, and thus, production cost is high.
3, because ball mill will consume full factory in process of production close to 2/3 electricity, according to test, the power consumption that the power that ball mill inputs is used for comminuting matter (doing useful work) only accounts for sub-fraction, be 5% ~ 7%, and most converting electric energy is heat energy and acoustic energy disappears, charging and broken wait work thickness grain regardless of, thus, effective rate of utilization is low, waste of energy is large, inefficiency.
4, the gross weight due to ball mill is little, and tens tons then reach more than hundreds of ton greatly, and build is heavy, and thus, transport is inconvenient, installation trouble, and price is high.
5, the ore after ball milling also needs configuration grader to carry out classification to ore, and the ore that particle is large enters in addition in ball mill and carries out ball milling, and particle meets the requirements of to enter in flotation device and carries out flotation, thus, production equipment is many, adds production cost, and ball milling is not thorough.
Now, market does not also occur a kind of grind without grader after ore directly enter the equipment that flotation device carries out flotation.
Summary of the invention:
The present invention is directed to the deficiency that above-mentioned prior art exists, provide a kind of miniaturization, energy-efficient, abrasive grains thin, without the disintegrator of mine grader.
The object of the present invention is achieved like this: a kind of disintegrator, comprises body, and it is characterized in that there is decelerator the lower end in described body, main shaft installed by decelerator, rotary body is installed by shaft coupling in the upper end of main shaft; Mill disc is fixed in described body upper end, and mill disc is " eight " font, described mill disc outer rim has at least one to determine bull ring, outside the body being positioned at mill disc lower end, fixes feeder; Described main shaft upper end outer wall is fixed at least two angularly hinged cantilevers, hinged cantilever outer shroud is installed at least one dynamic bull ring, the hinged cantilever of described dynamic bull ring upper end installs at least one group of coarse strainer and fie screen successively, on inside described hinged cantilever outer shroud, outer scraper plate is installed, by having demarcation strip, two graded plates and loose plate on described hinged cantilever; The inner and outer ring of described rotary body is fixed internal fixtion groove and extenal fixation groove, at least two rollers are installed between internal fixtion groove and extenal fixation groove, roller is horizontal " eight " font, large in tight outside described mill disc roller two part fits gap, mill disc tapering is little, and roller tapering is large, and roller axis horizontal upwarps, formed and fall the Eight characters, overall form four closed " eight " word structures in plane; Fix inside strake in the inner side of described rotary body lower end, described be positioned at rotary body upper end and have feed hopper, be positioned at feed hopper charging material distributing cone, be positioned at screen cloth below feed hopper material distributing cone, be positioned at the rough segmentation plate that the dividing plate, the dividing plate lower end that connect below screen cloth connect.
Comminution method of the present invention is: the satisfactory ore of crusher in crushing enters into hopper, and injecting water from upper end, ore first distributes through material distributing cone by ore, and landing is downwards screened through screen cloth under gravity, mill district in the thin outside that enters, thick bulk is slipped to inside and pulverizes district; Ore is scraped working face by inside and outside scraper plate, under the effect of gravity, current, particulate flows downward simultaneously, coarse granule stops by demarcation strip, rough segmentation plate tiltedly to be put particle by from outside to inside, from thin to rough segmentation cloth, two graded plates are classification arrangement more successively, and loose plate is arranged grooving, broken respectively under the rolling of roller, working face separates by the demarcation strip simultaneously on rotary body dividing plate and hinged cantilever, and when making fragmentation, particle can not jump subsequent work face; Meanwhile, not by the fine grained that outer scraper plate blows off, enter bull ring and filter screen respectively: superfine by filter screen and bull ring, enter feeder, the bull ring that enters respectively is more slightly worn into particulate and is entered feeder, completes and once mills.Residual particle, not to be broken and new ore enters next roller crushing process, until particle meets size.
Beneficial effect of the present invention: the present invention's fragmentation and comminution are completed by mill disc and roller, " eight " word is set up in mill disc design, roller is designed to horizontal stroke " eight " word, large in tight outside mill disc roller two part fits gap, mill disc tapering is little, and roller tapering is large, and roller axis horizontal upwarps, formed and fall the Eight characters, overall form four closed " eight " word structures in plane; And adopt above-mentioned comminution method, make whole process from coarse to fine, all linked with one another, without processing dead angle, regrinding rate and overground rate few, economize energy; Improve rotating speed, can boost productivity, efficiency is high; Operability is high, perfect overload mechanism.
Disintegrator main shaft of the present invention directly rotates with hinged cantilever, and described hinged cantilever outer shroud, by having bull ring and filter screen, carries out grinding and screening improves grain fineness, thus, reduces the link, cancels grader.
The outer scraper plate of upper installation inside hinged cantilever outer shroud of the present invention, inside strake is fixed in the inner side of rotary body lower end, inside strake scrapes fracture area by needing the particle of comminution, little simultaneously the playing of outer scraper plate and mill disc gap scrapes coarse granule and sieving actoion, road and screen cloth is ground by thin can the entering of scraper plate, be discharged to feeder after processing, reduce mill to death.
By having demarcation strip, two graded plates, loose plate on hinged cantilever of the present invention, demarcation strip is broken and fine ground separation by twoth district, and coarse granule is scraped go back to corresponding region by two graded plates, and particle is scraped grooving by loose plate, thus, improves milling mechanism efficiency, and realizes classification.
I.e. dividing plate below charging aperture screen cloth of the present invention, workspace is divided into by radial direction answer fracture area, district in small, broken bits, mill district, like this, makes each functional areas stable working, avoid bulky grain to go to fine ground district, affect the work of fine ground district or produce false overload
On the basis of technique scheme, the present invention can also do following improvement.
Further, the shaft coupling that main shaft and rotary body are installed is flexible clutch, and flexible clutch is with rotary body, and grinding mechanism and crushing mechanism not only connect work each other but also separate.
Take the beneficial effect of above-mentioned further scheme to be, reduce influencing each other of grinding machine and rolling body, compact conformation, flexible clutch makes roller start when stopping to reduce rigid shock, protection machine.
Further, mill disc top is " eight " word working face, is fixed on body with screw; Described mill disc is detachable block, is made up of high abrasion resisting material.
The beneficial effect adopting above-mentioned further scheme is screwed, and is convenient to change; Adopt high-wear-resistant alloy, increase substantially the life-span.
Further, roller cone, broken outer major function distribution of milling in formation, " eight " word structure of axis.
Adopt the beneficial effect of above-mentioned further scheme to be increase the particle scope of application, make roller speed higher, centrifugal force is larger, and roller gets over mill, and grinding pressure is larger, and efficiency is higher, and yield in unit time is larger.
Further, roller installed by the pad by having high-elastic high rigidity on the inner and outer ring of rotary body, and described pad is rigid polyurethane pad.
The beneficial effect adopting above-mentioned further scheme avoids rigid shock, improves the service life of roller.
Further, internal fixtion groove and extenal fixation groove have the gathering sill of up-down structure, and install powerful compression spring.
Adopt the beneficial effect of above-mentioned further scheme to be, by the effect of gathering sill and compression spring, when repeatedly milling, anti-sticking antioverloading, avoids machine breakdown.
Accompanying drawing illustrates:
Fig. 1 is concrete structure schematic diagram of the present invention;
Fig. 2 is abrasive material mechanism enlarged drawing;
Fig. 3 is charging material cone, screen cloth, partition position schematic diagram;
Fig. 4 is inside and outside holddown groove schematic diagram;
Fig. 5 is R place hinged cantilever quarter stuff in Fig. 1, loose plate, demarcation strip, outer scraper plate schematic diagram;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is material distributing cone schematic diagram;
Fig. 8 is dividing plate, screen position schematic diagram;
In figure: hood of 1, milling; 2, body; 3, decelerator; 4, main shaft; 5, mill disc; 6, feeder; 7, bull ring is determined; 8, roller; 9, shaft coupling; 10, extenal fixation groove; 11, internal fixtion groove; 12, rotary body axle; 13, feed hopper; 14, material distributing cone; 15, water pipe; 16, screen cloth; 17, dividing plate; 18, rotary body; 19, hinged cantilever; 20, demarcation strip; 21, inside strake; 22, rough segmentation plate; 23, outer scraper plate; 24, two graded plates; 25, loose plate; 26, dynamic bull ring; 27 coarse strainers; 28 fie screens; 29, spring; 30, pad; 31, gathering sill.
Detailed description of the invention:
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of disintegrator, comprises mill hood 1 and the body 2 of milling in hood 1: there is decelerator 3 lower end in described body 2, decelerator 3 is installed main shaft 4, and rotary body 18 is installed by shaft coupling 9 and rotary body axle 12 in the upper end of main shaft 4; Shaft coupling 9 is flexible clutch; Mill disc 5 is fixed in described body 2 upper end, and mill disc 5 is " eight " font, described mill disc 5 outer rim has at least one to determine bull ring 7, outside the body 2 being positioned at mill disc 5 lower end, fixes feeder 6; Described main shaft 4 upper end outer wall is fixed at least two angularly hinged cantilevers 19, if when hinged cantilever 19 is two, the angle between it is 180 degree, if when hinged cantilever 19 is three, the angle between it is 120 degree, by that analogy; Hinged cantilever 19 outer shroud is installed at least one dynamic bull ring 26, the hinged cantilever 19 of described dynamic bull ring 26 upper end installs at least one group of coarse strainer 27 and fie screen 28 successively, on inside described hinged cantilever 19 outer shroud, outer scraper plate 23 is installed, by having demarcation strip 20, two graded plate 24 and loose plate 25 on described hinged cantilever 19; The inner and outer ring of described rotary body 18 is fixed internal fixtion groove 11 and extenal fixation groove 10, at least two rollers 8 are installed between internal fixtion groove 11 and extenal fixation groove 10, roller 8 is horizontal " eight " font, large in tight outside described mill disc 5, roller 8 liang of part fits gaps, mill disc 5 tapering is little, and roller 8 tapering is large, and roller axis horizontal upwarps, formed and fall the Eight characters, overall form four closed " eight " word structures in plane; Fix inside strake 21 in the inner side of described rotary body 18 lower end, described be positioned at rotary body 18 upper end and have feed hopper 13, be positioned at feed hopper 13 charging material distributing cone 14, be positioned at screen cloth 16 below feed hopper 13 material distributing cone 14, be positioned at the rough segmentation plate 22 that the dividing plate 17, dividing plate 17 lower end that connect below screen cloth 16 connect.
Further, described mill disc 5 top is " eight " word working face, is fixed on body 2 with screw; Described mill disc 5 is detachable block, is made up of high abrasion resisting material; Roller 8 cone, broken outer major function distribution of milling in formation, " eight " word structure of axis.
Further, roller 8 installed by the pad 30 by having high-elastic high rigidity on the inner and outer ring of described rotary body 18, and described pad 30 is rigid polyurethane pad.
Further, described internal fixtion groove 11 and extenal fixation groove 10 have the gathering sill 31 of up-down structure, and install powerful compression spring 29.
Further, determine bull ring and dynamic bull ring can form at least more than one mill road by comminution, by grinding the effect in road, making some comminutions meet the requirements of ore and entering feeder from mill road and screen pack, preventing overground, improve productivity ratio.
Comminution process of the present invention is, the satisfactory ore of crusher in crushing enters into hopper, and injects water from upper end, ore first distributes through material distributing cone by ore, landing is downwards screened through screen cloth under gravity, and mill district in the thin outside that enters, thick bulk is slipped to inside and pulverizes district; Ore is scraped working face by inside and outside scraper plate, under the effect of gravity, current, particulate flows downward simultaneously, coarse granule stops by demarcation strip, rough segmentation plate tiltedly to be put particle by from outside to inside, from thin to rough segmentation cloth, two graded plates are classification arrangement more successively, and loose plate is scraped grooving, broken respectively under the rolling of roller, working face separates by the demarcation strip simultaneously on rotary body dividing plate and hinged cantilever, and when making fragmentation, particle can not jump subsequent work face; Meanwhile, not by the fine grained that outer scraper plate blows off, enter bull ring and filter screen respectively; Superfine by filter screen and bull ring, enter feeder, the bull ring that enters respectively is more slightly worn into particulate and is entered feeder, completes and once mills.Residual particle, not to be broken and new ore enters next roller crushing process, until particle meets size.
Aforesaid operations process is all use conventional PLC control system to realize.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a disintegrator, comprises body, and it is characterized in that there is decelerator the lower end in described body, main shaft installed by decelerator, rotary body is installed by shaft coupling in the upper end of main shaft; Mill disc is fixed in described body upper end, and mill disc is " eight " font, described mill disc outer rim has at least one to determine bull ring, outside the body being positioned at mill disc lower end, fixes feeder; Described main shaft upper end outer wall is fixed at least two angularly hinged cantilevers, hinged cantilever outer shroud is installed at least one dynamic bull ring, the hinged cantilever of described dynamic bull ring upper end installs at least one group of coarse strainer and fie screen successively, on inside described hinged cantilever outer shroud, outer scraper plate is installed, by having demarcation strip, two graded plates and loose plate on described hinged cantilever; The inner and outer ring of described rotary body is fixed internal fixtion groove and extenal fixation groove, at least two rollers are installed between internal fixtion groove and extenal fixation groove, roller is horizontal " eight " font, large in tight outside described mill disc roller two part fits gap, mill disc tapering is little, and roller tapering is large, and roller axis horizontal upwarps, formed and fall the Eight characters, overall form four closed " eight " word structures in plane; Fix inside strake in the inner side of described rotary body lower end, described be positioned at rotary body upper end and have feed hopper, be positioned at feed hopper charging material distributing cone, be positioned at screen cloth below feed hopper material distributing cone, be positioned at the rough segmentation plate that the dividing plate, the dividing plate lower end that connect below screen cloth connect.
2. a kind of disintegrator according to claim 1, is characterized in that described main shaft and rotary body axle shaft coupling are flexible clutch.
3. a kind of disintegrator according to claim 1, is characterized in that described mill disc top is for " eight " word working face, is fixed on body with screw; Described mill disc is detachable block, is made up of high abrasion resisting material.
4. a kind of disintegrator according to claim 1, is characterized in that described roller cone, broken outer major function distribution of milling in formation, " eight " word structure of axis.
5. a kind of disintegrator according to claim 1, roller installed by the pad by having high-elastic high rigidity on the inner and outer ring that it is characterized in that described rotary body.
6. a kind of disintegrator according to claim 5, is characterized in that described pad is rigid polyurethane pad.
7. a kind of disintegrator according to claim 1, is characterized in that described internal fixtion groove and extenal fixation groove have the gathering sill of up-down structure, and installs powerful compression spring.
8. by the comminution method of a kind of disintegrator according to claim 1, it is characterized in that it comprises the following steps: the satisfactory ore of crusher in crushing enters into hopper, and inject water from upper end, ore first distributes through material distributing cone by ore, landing is downwards screened through screen cloth under gravity, mill district in the thin outside that enters, thick bulk is slipped to inside and pulverizes district; Ore is scraped working face by inside and outside scraper plate, under the effect of gravity, current, particulate flows downward simultaneously, coarse granule stops by demarcation strip, rough segmentation plate tiltedly to be put particle by from outside to inside, from thin to rough segmentation cloth, two graded plates are classification arrangement more successively, and loose plate is arranged grooving, broken respectively under the rolling of roller, working face separates by the demarcation strip simultaneously on rotary body dividing plate and hinged cantilever, and when making fragmentation, particle can not jump subsequent work face; Meanwhile, not by the fine grained that outer scraper plate blows off, enter bull ring and filter screen respectively; Superfine by filter screen and bull ring, enter feeder, the bull ring that enters respectively is more slightly worn into particulate and is entered feeder, completes and once mills.Residual particle, not to be broken and new ore enters next roller crushing process, until particle meets size.
CN201510353127.6A 2015-06-18 2015-06-18 A kind of disintegrator and its comminution method Active CN104907128B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834438A (en) * 2016-05-27 2016-08-10 安徽鑫佳铜业有限公司 Copper powder loosening machine
CN112517176A (en) * 2019-12-19 2021-03-19 彭茄琪 Biomass particle fuel smashing device with material pressing function
CN113600328A (en) * 2021-10-11 2021-11-05 济南万华水泥有限责任公司 Material grinding device is used in building block production

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003099444A1 (en) * 2002-05-29 2003-12-04 Anglo American Research Laboratories (Pty) Ltd Enhanced ore comminution process and apparatus
KR200351072Y1 (en) * 2004-02-25 2004-05-24 경원광업 주식회사 Crushing device
CN103639018A (en) * 2013-12-17 2014-03-19 临沂市博信机械有限公司 Self-adaptive vibration accumulation and energy supply high-efficiency vertical roller mill
CN204799329U (en) * 2015-06-18 2015-11-25 温传岳 Garrulous mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003099444A1 (en) * 2002-05-29 2003-12-04 Anglo American Research Laboratories (Pty) Ltd Enhanced ore comminution process and apparatus
KR200351072Y1 (en) * 2004-02-25 2004-05-24 경원광업 주식회사 Crushing device
CN103639018A (en) * 2013-12-17 2014-03-19 临沂市博信机械有限公司 Self-adaptive vibration accumulation and energy supply high-efficiency vertical roller mill
CN204799329U (en) * 2015-06-18 2015-11-25 温传岳 Garrulous mill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834438A (en) * 2016-05-27 2016-08-10 安徽鑫佳铜业有限公司 Copper powder loosening machine
CN112517176A (en) * 2019-12-19 2021-03-19 彭茄琪 Biomass particle fuel smashing device with material pressing function
CN113600328A (en) * 2021-10-11 2021-11-05 济南万华水泥有限责任公司 Material grinding device is used in building block production

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