CN109225483A - Non-metal ore sand crushing and grinding screen system and crushing and grinding machine - Google Patents
Non-metal ore sand crushing and grinding screen system and crushing and grinding machine Download PDFInfo
- Publication number
- CN109225483A CN109225483A CN201811158201.9A CN201811158201A CN109225483A CN 109225483 A CN109225483 A CN 109225483A CN 201811158201 A CN201811158201 A CN 201811158201A CN 109225483 A CN109225483 A CN 109225483A
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- section
- liner plate
- sieve
- screen drum
- ore sand
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- 239000004576 sand Substances 0.000 title claims abstract description 52
- 238000000227 grinding Methods 0.000 title abstract description 11
- 229910052755 nonmetal Inorganic materials 0.000 title abstract 2
- 150000002843 nonmetals Chemical class 0.000 title 1
- 238000012216 screening Methods 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 36
- 238000013461 design Methods 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 5
- 241001330002 Bambuseae Species 0.000 abstract 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 5
- 239000011425 bamboo Substances 0.000 abstract 5
- 238000003801 milling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 208000031840 Baralle-Macken syndrome Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052839 forsterite Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/02—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with perforated container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/1855—Discharging devices combined with sorting or separating of material with separator defining termination of crushing 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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
Abstract
The invention belongs to the technical field of crushing and grinding equipment. The utility model provides a non-metallic ore deposit system sand grinding sieve system, includes a sieve section of thick bamboo and welt, the multi-disc the welt is the circumference and lays in the sieve section of thick bamboo, just lay the sieve mesh on the welt, the multi-disc the welt is the coincide of head and the tail in proper order and is set up and form broken chamber, each the welt with form relatively independent screening chamber between the sieve section of thick bamboo, and adjacent two form the material return mouth with the screening chamber intercommunication that corresponds between the welt. Also discloses a non-metal ore sand mill. This application overall structure reasonable in design, it is through between foraminiferous welt and a sieve section of thick bamboo, through the isolation of returning flitch and striker plate, forms a plurality of confined ore grinding-screening from circulation system, and qualified material is in time discharged through a sieve section of thick bamboo, and unqualified material returns broken cavity through the returning flitch and continues the breakage to avoid crossing the emergence of smashing the phenomenon, effectively improved system sand yield.
Description
Technical field
The invention belongs to grinding apparatus technical fields, and in particular to a kind of nonmetallic ore sand comminution sieve system and disintegrator.
Background technique
For a long time, nonmetallic ore industry in China's lacks dedicated comminution equipment, and existing sand making machine is primarily present
The problems such as yield rate is lower, and ore grinding energy consumption is high, crosses and crushes seriously, and product grain class distribution is unreasonable.Current common technology for making sand
Are as follows: give mine-jaw crusher-rotary kiln-impact breaker-impact crusher-vibrating screen.External sand making machine
Barmac vertical shaft impact crusher is mostly used, domestic PL series is similar, but Barmac vertical-spindle hammer crusher breakup mode,
Rotor etc. is redesigned according to the requirement of nonmetallic ore, therefore foreign countries' fineness of sand is reasonably distributed, and product is less containing powder.Mesh
Before, the domestic equipment research and development quite lag for nonmetallic ore sand feature, still in exploration and development phase, although right
Vertical shaft impact crusher is copied, but it crosses crushing seriously, and energy consumption is higher, and industry spot using effect is unsatisfactory.
Therefore, nonmetallic ore sand special efficient grinding apparatus is targetedly developed, to change China's nonmetallic ore industry product knot
Structure is unreasonable, the status of the wasting of resources and inefficiency, improves the beneficiating efficiency and resource utilization of China's nonmetallic ore, and
The technical equipment progress of nonmetallic ore industry is driven all to be of great importance.
Summary of the invention
The purpose of the present invention is in view of the above shortcomings of the prior art, provide a kind of nonmetallic ore sand comminution sieve system and broken
Grinding machine, with closed ore grinding-screening self-circulation system, qualified products are discharged in time, crushing are prevented, to be implemented as
The characteristics of product rate is high, grain class distribution is narrow, particle shape is excellent, low energy consumption.
In order to achieve the above objectives, it is adopted the technical scheme that:
A kind of nonmetallic ore sand comminution sieve system, comprising: screen drum；And liner plate, liner plate described in multi-disc are circumferentially laid in
In the screen drum, and sieve pore is laid on the liner plate, successively overlapping is arranged and forms crusher chamber liner plate described in multi-disc from beginning to end, respectively
Relatively independent screening chamber is formed between the liner plate and the screen drum, and is formed and corresponding sieve between adjacent two liner plate
Divide the return port of chamber connection；In the plane of the axis perpendicular to the screen drum, the section of the liner plate is smoothed curve, and institute
The center of curvature for stating smoothed curve is respectively positioned on the axis side of the screen drum, and the smoothed curve includes far from the screen drum axis
Second section of the first section and the close screen drum axis, and the curvature of first section is greater than the song of second section
Rate or the curvature of first section are equal to the curvature of second section.
Nonmetallic ore sand comminution sieve system according to the present invention, it is preferable that first section and second section it
Between be configured with third section, the curvature of the third section is greater than the curvature of the first section.
Nonmetallic ore sand comminution sieve system according to the present invention, it is preferable that the liner plate end on first section
The angle of the radial direction of tangent line and the end at head is the first about beam angle α, and the described first about beam angle α is 75-110 °；Position
In the angle of the radial direction of the tangent line and end of the liner plate end point on second section be the second constraint angle beta,
And the second constraint angle beta is 60-80 °.
Nonmetallic ore sand comminution sieve system according to the present invention, it is preferable that the liner plate includes far from the screen drum axis
The second end of first end and the close screen drum axis, the outer wall of first end and the inner wall of the second end are in radial direction
On size difference be L, and 2s+20mm≤L≤2s+50mm, wherein s is liner plate thickness.
Nonmetallic ore sand comminution sieve system according to the present invention, it is preferable that 4-8 piece liner plate is laid in the screen drum.
Nonmetallic ore sand comminution sieve system according to the present invention, it is preferable that the sieve pore on the liner plate is in back taper, the lining
Sieve pore shape on plate is round hole or regular polygon hole.
Striker plate is provided between each liner plate and the screen drum, adjacent two striker plate and corresponding liner plate are formed
The screening chamber is provided with returning charge plate at the return port, sieve pore is laid on the returning charge plate, the striker plate is inclined to be set
It sets.
A kind of nonmetallic ore sand disintegrator, comprising: rack；Revolving body is arranged by bearing seat supports in the machine
On frame, and wherein one end of the revolving body is provided with feed hopper；And driving assembly, it is arranged on the rack, and drive
The revolving body movement；Wherein, the revolving body includes: the two end plates that left and right is correspondingly arranged, and is provided between two end plates
Rotating shaft, wherein being provided with feed auger on an end plate, the feed hopper is correspondingly arranged with the feed auger；And such as
Above-mentioned nonmetallic ore sand comminution sieves system, the matching support setting of nonmetallic ore sand comminution sieve system two end plates it
Between.
Nonmetallic ore sand disintegrator according to the present invention, it is preferable that dust cover is additionally provided in the rack, it is described dust-proof
Cover matching is arranged on the outside of the revolving body, and the dust cover bottom is provided with discharge port；It is arranged at the top of the dust cover
There is dust removal port, and is connected with dust-extraction unit.
Nonmetallic ore sand disintegrator according to the present invention, it is preferable that the driving component include driving motor, retarder and
Shaft coupling；It is provided with interior lining panel on the inside of the end plate, is additionally provided with access cover on the end plate.
By adopting the above technical scheme, acquired beneficial effect is:
1. the application overall construction design is reasonable, by passing through returning charge plate and gear between liner plate and screen drum with holes
The isolation of flitch forms closed ore grinding-screening self-circulation system, and qualified material is discharged by screen drum in time, unqualified material
Broken cavity is returned by returning charge plate to continue to be crushed, and so as to avoid the generation for crossing crushing phenomenon, effectively increases sand finished product processed
Rate.
2. the application is directed to the characteristics of nonmetallic ore, the working principle of formula is left in conjunction with ball mill, is used with impact grinding
Based on, the crumbling method supplemented by shearing and attrition crushing is realized shearing, is squeezed by the interaction of milling medium and storeroom
Pressure and impact grinding combine, to significantly improve reduction ratio；The gravitional force for making full use of abrasive media, effectively reduces
Equipment energy consumption；Meanwhile shearing-crushing plays the shaping operation of material.
3. the application passes through the design of the Curvature varying structure of the overlapping dislocation layout stracture of multi-disc liner plate, monolithic liner plate,
The promotion to the kinetic energy and potential energy of milling medium can not only be realized, so that the active force between milling medium and material is further
Raising, reduction shearing, attrition crushing, intensifying impact is broken, reduces the generation of fine particle size material to a certain extent；Further
, the variation of liner plate curvature enables to material under the drive of liner plate, and it is rendered as dynamic and sieves, can speed up material layering,
So that big partial size material tends to surface, fine grain material tends to liner plate and enters screening chamber, so that milling medium rushes first
The big partial size material of collision is hit, and fine grain material not will receive further impact, reduce the generation of crushing phenomenon.
4. the overall structure of the application is realized by the optimizing and revising of the broken form to milling medium, to material by partial size
The innovative design of the screening form of self demixing, so that entire be crushed is the impact grinding based on big partial size material and milling medium,
Crushing efficiency is not only increased, and can further optimize the particle diameter distribution of broken rear product, to realize narrow partial size point
The characteristics of cloth.
5. the structure of multiple screening chambers of the application designs, the self-circulation function of whole system can be realized, from basic
Upper further to reduce crossing for fine particle stage material and crush, material is from being fed to the nonmetallic ore sand for being broken into qualified partial size
In the process, the self-loopa that even more than ten times for several times can be passed through, thus, it is possible to realize the efficient, screening of high frequency and feed back, to reach
The purpose of efficient discharging, efficient broken and high qualification rate is arrived.
6. the application can further shorten row of the material in screening chamber using the arragement construction of multiple screening chambers
Journey avoids excessive material from entering list so that suitable material in limited stroke, realizes quickly screening and feed back
A screening chamber, while the flowing for a long time in screening chamber of big partial size material being avoided to cause local accumulation and blocking；The application passes through
The setting of specific screening chamber quantity and the setting of corresponding screen size, so that the inventory for entering single screening chamber is moderate, and
So that the characteristics of individually inventory in screening chamber meets sufficiently screening and quick returning charge, guarantee that the material of qualified partial size sufficiently sieves
Point discharge, avoids again returning to crusher chamber and caused crushing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, hereinafter by the attached drawing to the embodiment of the present invention into
Row is simple to be introduced.Wherein, attached drawing is used only for showing some embodiments of the present invention, rather than whole embodiments of the invention are limited
It is formed on this.
Fig. 1 is according to the structural schematic diagram of the nonmetallic ore sand comminution of embodiment of the present invention sieve system, and it illustrates each portions
The positional relationship of part.
Fig. 2 be according to the nonmetallic ore sand comminution of the embodiment of the present invention sieve system cross section structure schematic diagram, crusher chamber and
Sieve the structure of chamber.
Fig. 3 is the structural schematic diagram according to the screening chamber of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram according to the liner plate of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram according to the nonmetallic ore sand disintegrator of the embodiment of the present invention.
Serial number in figure:
100 it is rack, 101 be feed hopper, 102 is bearing block；
200 be revolving body, 210 be end plate, 211 be interior lining panel, 212 be access cover, 220 be rotating shaft, 230 be charging spiral shell
Rotation, 240 be screen drum, 250 be liner plate, 251 be sieve pore, 252 be the first section, 253 be the second section, 254 be third section,
260 it is screening chamber, 261 be return port, 262 be returning charge plate, 263 is striker plate；
301 it is driving motor, 302 be retarder, 303 is shaft coupling；
400 it is dust cover, 401 is dust removal port.
Specific embodiment
In order to enable the purpose of technical solution of the present invention, technical characteristic and technical effect are clearer, it hereinafter will knot
The attached drawing for closing the specific embodiment of the invention, is clearly and completely described the exemplary scenario of the embodiment of the present invention.
It referring to figures 1-4, is that it is suitable for forsterites, silicon the invention discloses a kind of nonmetallic ore sand comminution sieve
The comminution of the nonmetallic ores sand such as lime stone, tufa stone, perlite specifically includes screen drum 240 and liner plate 250, multi-disc liner plate 250
It is circumferentially laid in screen drum 240, and is laid with sieve pore 251 on liner plate 250, successively head and the tail overlapping is arranged simultaneously multi-disc liner plate 250
Crusher chamber is formed, forms relatively independent screening chamber 260 between each liner plate 250 and screen drum 240, and formed between two adjacent lining board
With the return port 261 of corresponding screening chamber connection；On the plane perpendicular to the axis of screen drum, the section of liner plate is smooth bent
Line, and the center of curvature of smoothed curve is respectively positioned on the axis side of screen drum, smoothed curve includes the first section far from screen drum axis
252 and close to screen drum axis the second section 253, and the curvature of the first section 252 is greater than the curvature or the of the second section 253
The curvature of one section 252 is equal to the curvature of the second section 253, and thus, it is possible to realize action mode between milling medium and material
Change, and it is dynamic to promote material to be shunted according to particle size layering screen.
6 liner plates are laid in screen drum 240 in the present embodiment, the sieve pore on liner plate 250 is in back taper, consequently facilitating object
The outflow of material, the sieve pore shape on liner plate are round hole or regular polygon hole.
It is the first section 252 and the identical smoothed curve of 253 curvature of the second section shown in Fig. 2 and Fig. 3 of the present embodiment
Structure, Fig. 4 are that the first section and the second section curvature are different, while being configured between the first section 252 and the second section 253
Third section 254, the curvature of third section 254 are greater than the curvature of the first section 252.
Further constraint is made for the specific structural parameters of each section and is limited, the liner plate end on the first section
The angle of the radial direction of the tangent line and end at place is the first about beam angle α, and the first about beam angle α is 75-110 °；Positioned at second
The angle of the radial direction of the tangent line and end of liner plate end point on section is the second constraint angle beta, and the second constraint angle beta is
60-80°。
In addition, the size for return port is defined, liner plate includes first end and close sieve far from screen drum axis
The size difference of the inner wall of the second end of cylinder axis, the outer wall of first end and the second end in radial directions is L, and 2s+
20mm≤L≤2s+50mm, wherein s is liner plate thickness, to ensure the feed back for sieving intracavitary big partial size material.
For sieving the composition of chamber, by being provided with striker plate 263, adjacent two striker plate between each liner plate and screen drum
263 and corresponding liner plate 250 form screening chamber 260, be provided with returning charge plate 262 at return port 261, be laid on returning charge plate 262
Sieve pore, striker plate 263 are inclined to set, consequently facilitating material is flowed out from return port, the direction and the rotation of screen drum of return port 261
It is contrary, consequently facilitating material is flowed out in gravity forces.
Referring to Fig. 5, disclosed herein as well is a kind of nonmetallic ore sand disintegrators, including rack 100,200 and of revolving body
Driving assembly, revolving body 200 are set in rack 100, and in wherein one end of revolving body 200 by the support setting of bearing block 102
It is equipped with feed hopper 101；Driving assembly is arranged in rack 100, and driving rotary body 200 acts, and driving assembly includes driving electricity
Machine 301, retarder 302 and shaft coupling 303.
Revolving body 200 includes the nonmetallic ore sand comminution in two end plates 210 and above-described embodiment that left and right is correspondingly arranged
Sieve is to be provided with rotating shaft 220 between two end plates 210, feed auger 230, feed hopper 101 are wherein provided on end plate 210
It is correspondingly arranged with feed auger 230；The matching support of nonmetallic ore sand comminution sieve system is arranged between two end plates 210.In end plate
210 insides are provided with interior lining panel 211, and access cover 212 is additionally provided on end plate 210.
It is additionally provided with dust cover 400 in rack 100, upper encloser and lower encioser can be divided into, and is bolted solid
Fixed, the matching of dust cover 400 setting is in 200 outside of revolving body, and 400 bottom of dust cover is provided with discharge port；It is pushed up in dust cover 400
Portion is provided with dust removal port 401, and is connected with dust-extraction unit.
Design for each position screen size is 20-30mm in the screen size of returning charge plate.Screen size on liner plate
For 15-25mm, the screen size on screen drum is determined according to the sand product granularity upper limit processed.
The application using center driving, unilateral feed, edge discharging working method, inner barrel is using double-layer modularized
Structure design, internal layer is wear-resisting liner plate with holes, and outer layer is enclosed screen drum, forms closed mill in complete machine operation process
Mine-screening self-circulation system.Turning round internal body portion is comminution area and screening area, and liner plate with holes forms closed comminution area, with holes
Several screening areas are formed between liner plate and screen drum.When equipment works, driving motor drives retarder to operate by shaft coupling, subtracts
After fast machine slows down, revolving body rotation is driven by speed reducer coupling, when revolving body rotates, material is fed from feed hopper, is passed through
Feed auger is imported into revolving body, milling medium and material being total to due to frictional force, centrifugal force and self gravity in comminution area
Same-action is driven by liner plate with holes and is carried out continuously projectile motion, and material is due to the shearing, extruding and impact by milling medium
It acts on and crushes, pulverized material is discharged through liner plate with holes, into sieve degree and zoning, reaches the material of granularity requirements through screen drum
Become qualified products outside timely discharge machine, the material greater than screen size returns to comminution area through returning charge plate, carries out comminution work
Industry.
Example: the qualified products granularity requirements of Vehicles Collected from Market forsterite sand are 1-6mm, acquire Henan forsterite
1.5 tons of sample, sand test processed is carried out using disintegrator, testing the sand product grading upper limit processed is 6mm, be fed for acquisition sample+
6mm grade material, test result are shown in Table 1.Test result shows that using the sand yield rate processed of disintegrator be 57.95%, more live
The yield rate 43.47% of the double-roll crusher used improves 14.48%.
1 comminution Machine-made Sand product granularity of table composition
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Unless context special provision or obvious explanation, otherwise term " substantially " as used herein is interpreted as in ability
Within the scope of the proper tolerances of domain, such as within two standard deviations of average value." substantially " it can be regarded as in setting value
10%, within 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, 0.05% or 0.01%.Unless
Separately there is specific context, all numerical value provided herein can be corrected by term " substantially ".
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present specification and claims "one" or
The similar word such as " one " also not necessarily indicates quantity limitation.The similar word such as " comprising " or "comprising" means before there is the word
The element or object in face cover the element for appearing in the word presented hereinafter or object and its equivalent, and be not excluded for other elements or
Person's object." connection " either the similar word such as " connected " not now schedules physics or mechanical connection, but may include
Electrical connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating that relative position is closed
System, after the absolute position for being described object changes, then the relative positional relationship may also correspondingly change.
It is described in detail exemplary embodiment of the invention above in reference to preferred embodiment, however art technology
Personnel it will be appreciated that under the premise of without departing substantially from theory of the present invention, above-mentioned specific embodiment can be made a variety of modifications and
Remodeling, and multiple combinations can be carried out to each technical characteristic proposed by the present invention, structure, and without departing from protection model of the invention
It encloses, protection scope of the present invention is determined by the attached claims.
Claims (10)
1. a kind of nonmetallic ore sand comminution sieve system characterized by comprising
Screen drum；And
Liner plate, liner plate described in multi-disc is circumferentially laid in the screen drum, and sieve pore is laid on the liner plate, is served as a contrast described in multi-disc
Successively overlapping is arranged and forms crusher chamber plate from beginning to end, and relatively independent screening chamber is formed between each liner plate and the screen drum,
And it is formed between adjacent two liner plate and the return port of corresponding screening chamber connection；
In the plane of the axis perpendicular to the screen drum, the section of the liner plate is smoothed curve, and the smoothed curve
The center of curvature is respectively positioned on the axis side of the screen drum, and the smoothed curve includes the first section of the separate screen drum axis and leans on
Second section of the nearly screen drum axis, and the curvature of first section is greater than the curvature or described the of second section
The curvature of one section is equal to the curvature of second section.
2. nonmetallic ore sand comminution according to claim 1 sieve system, which is characterized in that in first section and described
Third section is configured between second section, the curvature of the third section is greater than the curvature of the first section.
3. nonmetallic ore sand comminution sieve according to claim 1 system, which is characterized in that on first section
The angle of the radial direction of the tangent line and end of the liner plate end point is the first about beam angle α, and the described first about beam angle α is
75-110°；The angle of the radial direction of the tangent line and end of the liner plate end point on second section is
Two constraint angle betas, and the second constraint angle beta is 60-80 °.
4. nonmetallic ore sand comminution sieve according to claim 1 system, which is characterized in that the liner plate includes far from described
The second end of the first end of screen drum axis and the close screen drum axis, the outer wall of first end and the inner wall of the second end
Size difference in radial directions is L, and 2s+20mm≤L≤2s+50mm, and wherein s is liner plate thickness.
5. nonmetallic ore sand comminution sieve according to claim 1 system, which is characterized in that be laid with 4-8 in the screen drum
Piece liner plate.
6. nonmetallic ore sand comminution sieve according to claim 1 system, which is characterized in that the sieve pore on the liner plate is in
Taper, the sieve pore shape on the liner plate are round hole or regular polygon hole.
7. nonmetallic ore sand comminution sieve according to claim 1 system, which is characterized in that each liner plate and the screen drum
Between be provided with striker plate, adjacent two striker plate and corresponding liner plate form the screening chamber, are arranged at the return port
There is returning charge plate, sieve pore is laid on the returning charge plate, the striker plate is inclined to set.
8. a kind of nonmetallic ore sand disintegrator characterized by comprising
Rack；
Revolving body, by bearing seat supports be arranged in the rack, and wherein one end of the revolving body be provided with into
Hopper；And
Driving assembly is arranged on the rack, and the revolving body is driven to act；
Wherein, the revolving body includes:
The two end plates that are correspondingly arranged of left and right are provided with rotating shaft between two end plates, wherein be provided on an end plate into
Expect spiral, the feed hopper is correspondingly arranged with the feed auger；And
Nonmetallic ore sand comminution sieve as claimed in claim 1 system, the matching of nonmetallic ore sand comminution sieve system
Support is arranged between two end plates.
9. nonmetallic ore sand disintegrator according to claim 8, which is characterized in that be additionally provided in the rack dust-proof
Cover, the dust cover matching is arranged on the outside of the revolving body, and the dust cover bottom is provided with discharge port；
It is provided with dust removal port at the top of the dust cover, and is connected with dust-extraction unit.
10. nonmetallic ore sand disintegrator according to claim 8, which is characterized in that the driving component includes driving
Motor, retarder and shaft coupling；
It is provided with interior lining panel on the inside of the end plate, is additionally provided with access cover on the end plate.
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| CN111530893A (en) * | 2020-05-13 | 2020-08-14 | 宁夏博文利奥科技有限公司 | Processing device for continuous pulping and sorting of kitchen waste |
| CN112844648A (en) * | 2021-01-07 | 2021-05-28 | 南昌矿山机械有限公司 | Rod mill with material returning mechanism |
| CN114471840A (en) * | 2022-01-30 | 2022-05-13 | 中南大学 | Lithium iron phosphate battery crushing device and crushing method |
| CN114887718A (en) * | 2022-04-02 | 2022-08-12 | 湖北冶金地质研究所(中南冶金地质研究所) | Gravel grinding machine for shaping machine-made aggregate |
| CN117443502A (en) * | 2023-12-15 | 2024-01-26 | 山东三矿地质勘查有限公司 | Multistage breaker of ore |
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