CN110586261A - Circulation ball mill - Google Patents

Circulation ball mill Download PDF

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Publication number
CN110586261A
CN110586261A CN201810599223.2A CN201810599223A CN110586261A CN 110586261 A CN110586261 A CN 110586261A CN 201810599223 A CN201810599223 A CN 201810599223A CN 110586261 A CN110586261 A CN 110586261A
Authority
CN
China
Prior art keywords
ball mill
barrel
feed back
feed
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810599223.2A
Other languages
Chinese (zh)
Inventor
伍文享
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taishan Jin Hao Trading Co Ltd
Original Assignee
Taishan Jin Hao Trading Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taishan Jin Hao Trading Co Ltd filed Critical Taishan Jin Hao Trading Co Ltd
Priority to CN201810599223.2A priority Critical patent/CN110586261A/en
Publication of CN110586261A publication Critical patent/CN110586261A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating 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
    • B02C17/10Disintegrating 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating 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
    • B02C17/18Details
    • B02C17/183Feeding or discharging devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating 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
    • B02C17/18Details
    • B02C17/183Feeding or discharging devices
    • B02C17/1835Discharging devices combined with sorting or separating of material
    • B02C17/184Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
    • B02C17/1845Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone with return of oversize material to crushing zone

Abstract

The invention relates to a circulating ball mill which comprises a cylinder, a motor and a base, wherein the cylinder is horizontally erected on the base, the motor is in driving connection with the cylinder, one end of the cylinder is provided with a feed inlet, the other end of the cylinder is provided with a first discharge outlet, the circulating ball mill also comprises a screening device and a material returning device, the inlet end of the screening device is communicated with the discharge outlet of the cylinder, the screening device is provided with a second discharge outlet and a material returning opening, one end of the material returning device is communicated with the material returning opening, and the other end of the material returning device is communicated with the feed inlet. Through the cooperation that sets up sieve material device and feed back device at the barrel discharge end, select the material that accords with the standard and carry out the ejection of compact, the material that is not conform to the standard then retrieves the barrel and grinds once more, so circulation grinds, promotes the quality of material output greatly, has reduced the process of artifical screening, provides work efficiency.

Description

Circulation ball mill
Technical Field
The invention relates to the technical field of mineral machinery, in particular to a circulating ball mill.
Background
The ball mill is a key device for crushing materials after the materials are crushed, is suitable for grinding various ores and other materials, and is widely applied to industries such as mineral separation, building materials, chemical engineering and the like.
The main working part of the ball mill is a rotary cylinder which is arranged on two large bearings and is horizontally placed, and a grinding body with certain shape and size is arranged in the cylinder. When the ball mill barrel rotates, the grinding body is attached to a lining plate of the barrel and taken away by the barrel under the action of inertia and centrifugal force and friction force, and when the grinding body is taken to a certain height, the grinding body is thrown off under the action of gravity of the grinding body, and the falling grinding body breaks the material in the barrel like a projectile.
However, the ball mill in the prior art discharges materials after being milled for one time, and the quality of the finished products is affected due to the fact that some materials are not sufficiently milled.
Disclosure of Invention
Based on the technical problem, the invention aims to provide a circulating ball mill, which solves the technical problem of insufficient grinding of a ball mill in the prior art and achieves the technical effect of fully grinding and discharging materials in the internal circulating grinding of the ball mill.
The utility model provides a circulation ball mill, includes barrel, motor and base, the barrel level is erect on the base, the motor with the barrel drive is connected, barrel one end is provided with the feed inlet, and the other end is provided with first discharge gate, still includes sieve material device and feed back device, sieve material device entrance point with the discharge gate intercommunication of barrel, second discharge gate and feed back mouth have been seted up to the sieve material device, feed back device one end with the feed back mouth intercommunication, the other end with the feed inlet intercommunication.
As a further improvement of the above-mentioned circulation ball mill, the screening device comprises a screening bin and a vibrating screen, the second discharge port is arranged below the vibrating screen, and the feed back port is arranged above the vibrating screen.
As a further improvement of the above-mentioned circulation ball mill, the vibrating screen is obliquely arranged inside the screen storage bin.
As a further improvement of the circulating ball mill, the feed back device comprises a feed back pipe and a conveying mechanism, one end of the material receiving pipe is communicated with the feed back port, the other end of the material receiving pipe is communicated with the feed inlet, and the conveying mechanism is arranged in the feed back pipe.
As a further improvement of the above-mentioned circulating ball mill, the conveying mechanism is a screw feeding mechanism.
As a further improvement of the above-mentioned circulating ball mill, at least one kind of grinding balls is arranged in the cylinder body.
As a further improvement of the circulating ball mill, a rubber buffer lining plate is arranged in the cylinder body.
As a further improvement of the circulating ball mill, the circulating ball mill further comprises a feeding mechanism, and the feeding mechanism is communicated with the feeding hole.
As a further improvement of the circulating ball mill, the circulating ball mill further comprises a material collecting mechanism, and the material collecting mechanism is communicated with the second discharge hole.
Compared with the prior art, the circulating ball mill has the following technical effects or advantages:
through the cooperation that sets up sieve material device and feed back device at the barrel discharge end, select the material that accords with the standard and carry out the ejection of compact, the material that is not conform to the standard then retrieves the barrel and grinds once more, so circulation grinds, promotes the quality of material output greatly, has reduced the process of artifical screening, provides work efficiency.
The grinding ball is arranged in the barrel, and the grinding balls in one or more different shapes or sizes collide and rub with the material in the barrel, so that the material can be ground more fully, and the grinding efficiency is improved.
The rubber buffer lining plate is arranged in the cylinder body and used for buffering impact force and friction generated by collision and prolonging the service life of the cylinder body.
Still set up feed mechanism at barrel feed inlet play, it is more convenient to feed during the auxiliary operation.
The material collecting mechanism is arranged at the discharge end of the barrel body, so that the ground materials can be conveniently collected and transported for storage.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a circulating ball mill according to the present invention;
fig. 2 is a schematic structural diagram of the screening device of the present invention.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to convey the scope of the invention to those skilled in the art.
Unless otherwise defined, terms (including technical and scientific terms) used herein should be understood to have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Moreover, it will be understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The invention provides a circulating ball mill, which is characterized in that a material screening device and a material returning device are arranged at the discharge end of a cylinder body and matched to screen out materials meeting the standard for discharging, the materials not meeting the standard are recycled to the cylinder body for grinding again, and the materials are ground in a circulating manner, so that the quality of the discharged materials is greatly improved, the manual screening process is reduced, and the working efficiency is improved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1, fig. 1 is a schematic structural view of a circulation ball mill according to the present invention. The utility model provides a circulation ball mill, includes barrel 1, motor 2, base 3, sieve material device 4 and feed back device 5, 1 level of barrel erects on the base 3, motor 2 with 1 drive of barrel is connected, 1 one end of barrel is provided with feed inlet 11, and the other end is provided with first discharge gate 12, sieve material device 4 entrance point with the discharge gate 12 intercommunication of barrel 1, second discharge gate 41 and feed back 42 have been seted up to sieve material device 4, feed back device 5 one end with feed back 42 intercommunication, the other end with feed inlet 11 intercommunication.
Barrel 1, the gyration drum of placing for the level, both ends are erect through the bearing on base 3, the inside rinding body that is used for grinding the material that is equipped with of barrel 1, its both ends have feed inlet 11 and first discharge gate 12 respectively, and the material gets into from feed inlet 11, through motor 2 drive barrel 1 is rotatory, makes the inside material of barrel 1 and rinding body fully collide and rub, and the material after the grinding is followed first discharge gate 12 is discharged.
The motor 2 is used for driving the cylinder 1 to rotate and is in transmission connection with the cylinder through a transmission part, a speed reducer can be arranged between the motor 2 and the cylinder 1, and power is transmitted to the cylinder 1 after speed reduction through the speed reducer, so that the cylinder 1 keeps a proper rotating speed.
And the base 3 is used for supporting the barrel body 1 and other components and providing a stable working environment for the barrel body 1.
And the screening device 4 is provided with a second discharge hole 41 and a return hole 42, the feeding end of the screening device 4 is communicated with the first discharge hole 12 and used for screening the materials discharged from the first discharge hole 12, the materials meeting the standard are discharged from the second discharge hole 41, and the materials not meeting the standard are discharged from the return hole 42.
Specifically, as shown in fig. 2, fig. 2 is a schematic structural diagram of the screening device according to the present invention. The screening device 4 comprises a screening bin 401 and a vibrating screen 402, the second discharge port is arranged below the vibrating screen, and the feed back port is arranged above the vibrating screen. The material discharged from the first discharge port 12 falls onto the vibration screen 402, and the vibration screen 402 vibrates to filter the sufficiently ground material, i.e. the material meeting the standard, to the lower side, and then the material is discharged from the second discharge port 42; and the materials which are not ground fine enough are blocked on the vibrating screen 402 and are gradually discharged from the feed back opening 42 to enter the feed back mechanism 5 in the vibrating process.
As a preferred embodiment, the vibrating screen 402 is obliquely arranged in the screening bin 401, so that the screening efficiency of the materials is higher.
And the material returning device 5 is communicated with the material returning port 42 of the screening device 4 and is used for recovering the materials which do not meet the standard again and conveying the materials into the barrel 1 from the feeding port 11 for secondary grinding.
Specifically, the material returning device 5 comprises a material returning pipe and a conveying mechanism, wherein one end of the material returning pipe is communicated with the material returning opening 42, the other end of the material returning pipe is communicated with the feeding opening 11, and the conveying mechanism is arranged in the material returning pipe. When the material which does not meet the standard enters the feed back pipe from the feed back port 42, the material of the part is conveyed by the conveying mechanism to enter the cylinder 1 again for grinding until the material meets the standard and passes through the vibrating screen 402.
As a preferred embodiment, the conveying mechanism is a spiral feeding mechanism which conveys materials forwards through the rotation of the spiral blades, and the spiral feeding mechanism has the characteristics of stability and difficulty in arching.
As a preferred embodiment, at least one kind of grinding balls are arranged in the cylinder 1, the grinding balls can be two or more grinding balls with different shapes or sizes, the grinding balls are grinding bodies, and the grinding balls with different sizes or shapes collide and rub with materials in the cylinder 1, so that the grinding efficiency of the materials can be fully improved.
In a preferred embodiment, a rubber cushion lining is provided in the cylinder 1, and since the cylinder 1 is filled with a grinding material and a material, and the inner wall of the cylinder 1 is subjected to a large impact and friction, the rubber cushion lining is provided in the cylinder 1 for buffering the impact force and friction generated by the collision in order to protect the cylinder 1 and prolong the service life of the cylinder 1.
As a preferred embodiment, the embodiment of the present application further includes a feeding mechanism, and the feeding mechanism is communicated with the feeding hole 11.
Specifically, the feeding mechanism comprises a feeding funnel 61 and a feeding pipe 62, wherein one end of the feeding pipe 62 is communicated with the feeding hole 11, and the other end of the feeding pipe is upwards connected with the feeding funnel 61. Material is fed from the feed hopper 61 through the feed tube 62 into the bowl 1.
As the preferred embodiment, this application embodiment still includes material collection mechanism 7, material collection mechanism 7 with second discharge gate 41 intercommunication for collect grind abundant and accord with the standard material, its base still can be provided with the gyro wheel, conveniently transports other places after filling with the material.
The working principle is as follows: the materials are put in from the feeding hopper 61, the materials enter the barrel 1 through the feeding pipe 62, the barrel 1 rotates under the driving of the motor 2, when the barrel 1 rotates, grinding balls are attached to the inner wall of the barrel 1 to rotate along with the barrel 1 under the action of centrifugal force and friction force generated by the inner wall surface of the barrel, the grinding balls are taken to a certain height and fall freely under the action of gravity, the materials in the barrel 1 are impacted to crush the materials when falling, the materials are forced to flow due to the difference of material surface between the materials at the feeding end and the discharging end because the feeding port 11 feeds new materials continuously, the materials are discharged from the first discharging port 12 and enter the screening mechanism 4, then the fully ground materials pass through the vibrating screen 402 and are discharged from the second discharging port 41 to the material collecting mechanism 7 under the action of the vibrating screen 402, and the materials which are not ground sufficiently are vibrated on the screen 402 and discharged from the material returning port 42, the materials are conveyed by the feed-back mechanism 5 to enter the cylinder 1 again for grinding, and the grinding is circulated in such a way until the grinding is sufficient and passes through the vibrating screen 402.
Compared with the prior art, the circulating ball mill has the following technical effects or advantages:
through the cooperation that sets up sieve material device and feed back device at the barrel discharge end, select the material that accords with the standard and carry out the ejection of compact, the material that is not conform to the standard then retrieves the barrel and grinds once more, so circulation grinds, promotes the quality of material output greatly, has reduced the process of artifical screening, provides work efficiency.
The grinding ball is arranged in the barrel, and the grinding balls in one or more different shapes or sizes collide and rub with the material in the barrel, so that the material can be ground more fully, and the grinding efficiency is improved.
The rubber buffer lining plate is arranged in the cylinder body and used for buffering impact force and friction generated by collision and prolonging the service life of the cylinder body.
Still set up feed mechanism at barrel feed inlet play, it is more convenient to feed during the auxiliary operation.
The material collecting mechanism is arranged at the discharge end of the barrel body, so that the ground materials can be conveniently collected and transported for storage.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (9)

1. The utility model provides a circulation ball mill, includes barrel, motor and base, the barrel level erects on the base, the motor with the barrel drive is connected, barrel one end is provided with the feed inlet, and the other end is provided with first discharge gate, its characterized in that: still include sieve material device and feed back device, sieve material device entrance point with the discharge gate intercommunication of barrel, second discharge gate and feed back mouth have been seted up to the sieve material device, feed back device one end with feed back mouth intercommunication, the other end with the feed inlet intercommunication.
2. The recirculating ball mill of claim 1 wherein: the material sieving device comprises a material sieving bin and a vibrating screen, the second discharge port is arranged below the vibrating screen, and the feed back port is arranged above the vibrating screen.
3. The recirculating ball mill of claim 2 wherein: the vibration screen is obliquely arranged inside the screen storage bin.
4. The recirculating ball mill of claim 1 wherein: the feed back device comprises a feed back pipe and a conveying mechanism, one end of the material collecting pipe is communicated with the feed back port, the other end of the material collecting pipe is communicated with the feed inlet, and the conveying mechanism is arranged in the feed back pipe.
5. The recirculating ball mill of claim 4 wherein: the conveying mechanism is a spiral feeding mechanism.
6. The recirculating ball mill of claim 1 wherein: at least one grinding ball is arranged in the cylinder body.
7. The recirculating ball mill of claim 1 wherein: and a rubber buffer lining plate is arranged in the cylinder body.
8. The recirculating ball mill of claim 1 wherein: still include feed mechanism, feed mechanism with the feed inlet intercommunication.
9. The recirculating ball mill of claim 1 wherein: still include the material and collect the mechanism, the material collect the mechanism with the second discharge gate intercommunication.
CN201810599223.2A 2018-06-12 2018-06-12 Circulation ball mill Withdrawn CN110586261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810599223.2A CN110586261A (en) 2018-06-12 2018-06-12 Circulation ball mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810599223.2A CN110586261A (en) 2018-06-12 2018-06-12 Circulation ball mill

Publications (1)

Publication Number Publication Date
CN110586261A true CN110586261A (en) 2019-12-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810599223.2A Withdrawn CN110586261A (en) 2018-06-12 2018-06-12 Circulation ball mill

Country Status (1)

Country Link
CN (1) CN110586261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115254321A (en) * 2022-07-12 2022-11-01 青岛海湾化工设计研究院有限公司 Wet ball mill for flue gas desulfurization

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2187494Y (en) * 1994-05-08 1995-01-18 秦国鑫 Ball grinder for closed circulation powder grinding system
US5890664A (en) * 1997-07-22 1999-04-06 Conant, Iii; Jess Austin Transportable, self-contained, fully automated composter
CN203556425U (en) * 2013-10-15 2014-04-23 云南昆钢耐磨材料科技股份有限公司 Novel lining plate of ball mill
CN203816718U (en) * 2014-02-25 2014-09-10 明峰建材集团股份有限公司 Interior lining panel of cement mill
CN203853129U (en) * 2014-05-23 2014-10-01 顾开明 Corrugated grading lining plate
CN203916807U (en) * 2014-06-27 2014-11-05 江西耐普矿机新材料股份有限公司 A kind of semi-autogenous mill composite liner of high abrasion
CN204503227U (en) * 2015-02-28 2015-07-29 寻乌县恒源科技开发有限公司 The ball mill of circular grinding
CN206746713U (en) * 2017-03-24 2017-12-15 南城县润华工贸有限公司 A kind of integrated ball mill

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2187494Y (en) * 1994-05-08 1995-01-18 秦国鑫 Ball grinder for closed circulation powder grinding system
US5890664A (en) * 1997-07-22 1999-04-06 Conant, Iii; Jess Austin Transportable, self-contained, fully automated composter
CN203556425U (en) * 2013-10-15 2014-04-23 云南昆钢耐磨材料科技股份有限公司 Novel lining plate of ball mill
CN203816718U (en) * 2014-02-25 2014-09-10 明峰建材集团股份有限公司 Interior lining panel of cement mill
CN203853129U (en) * 2014-05-23 2014-10-01 顾开明 Corrugated grading lining plate
CN203916807U (en) * 2014-06-27 2014-11-05 江西耐普矿机新材料股份有限公司 A kind of semi-autogenous mill composite liner of high abrasion
CN204503227U (en) * 2015-02-28 2015-07-29 寻乌县恒源科技开发有限公司 The ball mill of circular grinding
CN206746713U (en) * 2017-03-24 2017-12-15 南城县润华工贸有限公司 A kind of integrated ball mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115254321A (en) * 2022-07-12 2022-11-01 青岛海湾化工设计研究院有限公司 Wet ball mill for flue gas desulfurization

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Application publication date: 20191220