CN101966480B - Ball mill - Google Patents
Ball mill Download PDFInfo
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- CN101966480B CN101966480B CN2010101110477A CN201010111047A CN101966480B CN 101966480 B CN101966480 B CN 101966480B CN 2010101110477 A CN2010101110477 A CN 2010101110477A CN 201010111047 A CN201010111047 A CN 201010111047A CN 101966480 B CN101966480 B CN 101966480B
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- manhole
- outer cover
- cylindrical shell
- cylinder
- shield
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Abstract
The invention discloses a ball mill with a function of reducing running noises, which is characterized in that a ball mill body comprises a cylinder, and the cylinder is provided with a plurality of circles of bolt holes along the longitudinal direction of the cylinder; one section of the cylinder is provided with a manhole and a manhole plate which are protruded from the rotating surface of the cylinder, the outer side of the section of the cylinder provided with the manhole is provided with a manhole shield, and the manhole shield is movably connected relative to the cylinder; the outer side of the rest of the cylinder is provided with an annular shield, the annular shield is provided with operating holes, the positions of the operating holes are corresponding to those of the bolt holes, and the annular shield is rotatablely connected relative to the cylinder; an overlapping part exists between the manhole shield and the annular shield, and the annular shield of the overlapping partis covered in the manhole shield; the manhole shield and the annular shield are respectively provided with a vacuum cavity structure; and a layer of sound-proof shield packed on the rotating surface of the cylinder is arranged among the manhole shield, the annular shield and the cylinder, by which the noise of the ball mill can be reduced to 30 to 40 decibels. The invention has the advantages of reducing cost and occupied land area and improving the operating environment, therefore, the invention is especially suitable for horizontal ball mill.
Description
Technical field
The present invention relates to a kind of ball mill, especially a kind of ball mill with denoising structure.
Background technology
At present, ball mill is a silicate product, and production industries such as New Building Materials, refractory material, chemical fertilizer, black and non-ferrous metal, quartz sand and glass ceramics carry out the key equipment of dry type or wet type grinding.
Whole table grinder generally is made up of major parts such as feeder, discharging portion, rotating part, driving section, classification portions, and the main body of rotating part is the cylindrical shell that inner surface is provided with abrasion-proof backing block, and cylindrical shell is roughly revolving body; Its two ends are provided with two manholes one on the other, and cylindrical shell rotates under outer gear, sprocket wheel or belt transmission, are divided into first storehouse and second storehouse by the individual layer partition panel in the cylindrical shell; Material gets into cylindrical shell by feeder through charging aperture; Get into first storehouse equably through pan feeding quill shaft spiral, in adorn three kinds of different sizes ball be situated between, cylindrical shell rotates and produces centrifugal force and ball is situated between falls after taking certain altitude to; Material is produced bang and abrasive action; Material gets into second storehouse through the individual layer partition panel after the corase grind of first storehouse, the ball that four kinds of different sizes are housed in this storehouse is situated between; With further grinding material, the material after the grinding is discharged through discharging opening.
Cylindrical shell is connected with bolt with abrasion-proof backing block usually, and it is vertically arranged with many circle bolts hole the cylindrical shell upper edge, and bolt can become flexible gradually in the running, so behind the every running certain hour of ball mill, all will check with fastening again each connecting bolt.
Noise during the ball mill running reaches more than 110 decibels, and rotating part is the ball mill main noise source, in order to reduce the influence of ball mill noise to environment; Existing ball mill is all built a sound insulation room specially, and ball mill is installed in the sound insulation room, in the time of need adding operation such as ball or maintenance; Operating personnel get into the operation of compartment room again; Build the sound insulation room and not only take bigger land area, also need drop into more cost simultaneously, work under bad environment when operating personnel add the ball operation simultaneously.
Summary of the invention
In order to overcome the deficiency that existing ball mill need be built the sound insulation room, technical problem to be solved by this invention provides the ball mill that a kind of running noise reduces.
The technical solution adopted for the present invention to solve the technical problems is: ball mill; Comprise cylindrical shell, it is vertically arranged with many circle bolts hole the cylindrical shell upper edge, and one section of said cylindrical shell is provided with manhole and the cover plate for manhole that protrudes from the cylindrical shell rotary surface; At said that section cylindrical shell arranged outside manhole outer cover that is provided with manhole; Said manhole outer cover is slidingly connected with respect to cylindrical shell, remainder cylindrical shell arranged outside annular outer cover, the outer handle hole of position corresponding to each bolt hole that be covered with of annular; The annular outer cover is rotationally connected with respect to cylindrical shell; Between said manhole outer cover and the annular outer cover lap is arranged, the annular of lap is outer to cover in the manhole outer cover, and said manhole outer cover and annular outer cover have the vacuum lumen structure.
Said vacuum lumen structure is following structure: said structure comprise lamina rara externa 19, inner plating 16 and be filled in lamina rara externa 19 and inner plating 16 between hollow sheeting 18; Also be arranged at intervals with reinforcement 17 between lamina rara externa 19 and the inner plating 16; Spacing between the cross sectional dimensions of reinforcement 17 and lamina rara externa 19 and the inner plating 16 is complementary, and this structure both had been convenient to utilize current material to realize hollow space is vacuumized, and had certain intensity; Not yielding after vacuumizing; Said lamina rara externa 19 generally can adopt sheet metal or similar material with inner plating 16, and reinforcement 17 can adopt steel wire or similar material, and hollow sheeting 18 can adopt sunlight board.
Between cylindrical shell and said manhole outer cover and annular outer cover, be provided with and the adaptive blimp of cylindrical shell rotary surface profile phase, the outer hole adaptive with manhole arranged on the said blimp, sound insulation chamber for vacuumizing between blimp and the cylindrical shell.
Said cylinder body outer wall is provided with the annular support wall corresponding with each bolt hole, and said each annular support wall is connected for the part wall in sound insulation chamber and with blimp simultaneously.
Be connected with liner plate through support column between the annular support wall of said cylinder body outer wall, liner plate supports the inwall of blimp.
The invention has the beneficial effects as follows: through outside the cylindrical shell rotary surface of ball mill, blimp being set; Blimp and cylindrical shell rotary surface form the sound insulation chamber of vacuum-pumping; Play the effect of isolated most of noise, can make the ball mill noise in the running reduce to 70～80 decibels from 110 decibels; In addition; In the blimp outside; According to the appearance profile of ball mill barrel, manhole outer cover and the further sound insulation of annular outer cover that segmentation is made by the plate with vacuum lumen structure, the ball mill noise in further will turning round reduces to 30～40 decibels from 70～80 decibels.Ball mill carries denoising structure, and running noise reduces, and when ball mill is installed, need not cooperate and build the sound insulation room, has reduced cost and floor space, and operating environment also is greatly improved.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the I portion enlarged diagram of Fig. 1.
Fig. 4 is the II portion enlarged diagram of Fig. 1.
Fig. 5 is the III portion enlarged diagram of Fig. 1.
Fig. 6 is a K portion enlarged diagram among Fig. 3.
Fig. 7 is the front view of ball mill barrel structure.
Fig. 8 is the B-B cutaway view of Fig. 7.
Fig. 9 is the vertical view of Fig. 7.
Figure 10 is the I portion enlarged diagram of Fig. 7.
Figure 11 is the II portion enlarged diagram of Fig. 7.
Be labeled as 1-cylindrical shell, 2-blimp, 3-sound insulation chamber, 4-bolt hole among the figure; The 5-liner plate, 6-annular support wall, 7-support column, 8-manhole, the outer hole of 9-; The 10-cover plate for manhole, 11-manhole outer cover, 12-annular outer cover, 13-feed end flange, 14-discharge end flange; The 15-handle hole, 16-inner plating, 17-reinforcement, 18-hollow sheeting, 19-lamina rara externa.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1～shown in Figure 11, ball mill of the present invention comprises cylindrical shell 1; It is vertically arranged with many circle bolts hole 4 cylindrical shell 1 upper edge; One section of said cylindrical shell 1 is provided with manhole 8 and the cover plate for manhole 10 that protrudes from the cylindrical shell rotary surface, and at said that section cylindrical shell arranged outside manhole outer cover 11 that is provided with manhole 8, said manhole outer cover 11 is slidingly connected with respect to cylindrical shell 1;, the bolt on this section cylindrical shell is carried out terminal operation with convenient; In order to completely cut off the noise that the remainder cylindrical shell spreads out of from bolt hole 4 positions; Remainder cylindrical shell arranged outside annular outer cover 12, annular outer cover 12 is provided with the handle hole 15 of position corresponding to each bolt hole 4, and annular outer cover 12 is rotationally connected with respect to cylindrical shell 1; When needing fastening bolt; Rotate annular outer cover 12 bolt on its cylindrical shell 1 is emerging in the handle hole 15, carry out fastening operation, after the fastening completion; Low-angle rotates corresponding the staggering of position that annular outer cover 12 makes its handle hole 15 and each bolt hole 4, can further cut off the noise transfer at bolt hole 4 places; Between said manhole outer cover 11 and the annular outer cover 12 lap is arranged, avoid noise to spread out of from the gap between manhole outer cover 11 and the annular outer cover 12, the annular outer cover 12 of lap is in manhole outer cover 11; To make things convenient for along cylindrical shell longitudinal sliding motion manhole outer cover 11; Carry out the bolted operation, said manhole outer cover 11 and annular outer cover 12 have the vacuum lumen structure, can play the effect of isolated most of noise; Generally, the inner chamber vacuum of manhole outer cover 11 and annular outer cover 12 is 10
-1～10
-3Pa can make the ball mill noise in the running reduce to 70～80 decibels from 110 decibels, and very significantly noise reduction is arranged, and can no longer join for ball mill of the present invention and build the sound insulation room, has reduced ball mill floor space is installed, and has practiced thrift cost.
As shown in Figure 6; It is said that to have the vacuum lumen structure be following structure: said structure comprise lamina rara externa 19, inner plating 16 and be filled in lamina rara externa 19 and inner plating 16 between hollow sheeting 18, also be arranged at intervals with reinforcement 17 between lamina rara externa 19 and the inner plating 16, the spacing between the cross sectional dimensions of reinforcement 17 and lamina rara externa 19 and the inner plating 16 is complementary; This structure both had been convenient to utilize current material to realize hollow space is vacuumized; And have certain intensity, not yielding after vacuumizing, said lamina rara externa 19 generally can adopt sheet metal or similar material with inner plating 16; And reinforcement 17 can adopt steel wire or similar material, and hollow sheeting 18 can adopt sunlight board.
Between cylindrical shell 1 and said manhole outer cover 11 and annular outer cover 12, be provided with the blimp 2 adaptive with cylindrical shell rotary surface profile phase; The outer hole 9 adaptive with manhole 8 arranged on the said blimp 2; Sound insulation chamber 3 for vacuumizing between blimp 2 and the cylindrical shell 1; The sound insulation chamber 3 of this specification alleged " vacuumizing ", the vacuum that is meant sound insulation chamber 3 is 10
-1～10
-3Pa utilizes blimp 2 to intercept the transmission of most of noise in advance, thereby when carrying out the bolted operation, also lower noise can be arranged, the working environment when improving this kind operation.
For reducing cost; It is steel plate, iron sheet, copper sheet, aluminium skin or the Teflon etc. of thickness below 2mm that the material of making blimp 2 should adopt slim, and thus, then the bolt on the cylindrical shell 1 can not directly be screwed on the blimp 2; Therefore; Be preferably in cylindrical shell 1 outer wall and be provided with the annular support wall 6 corresponding with each bolt hole 4, said each annular support wall 6 is connected for the part wall in sound insulation chamber 3 and with blimp 2 simultaneously, and the bolt on the cylindrical shell 1 then tightens on the annular support wall 6.
When the material of making blimp 2 adopts thin material; Vacuum pumping is carried out in sound insulation chamber 3; Must bring the distortion of blimp 2, be attached on the cylindrical shell 1, weaken noise reduction for preventing blimp 2 excessive distortion; Preferably also between the annular support wall 6 of said cylindrical shell 1 outer wall, be connected with liner plate 5 through support column 7; Liner plate 5 supports the inwall of blimp 2, and the noise that is delivered on the blimp 2 through support column 7 is much littler than directly attaching to the noise that is delivered on the cylindrical shell 1 on the blimp 2 at a distance from blimp 2 after all, thereby guarantees the noise reduction of blimp 2.
Embodiment:
Like Fig. 1～shown in Figure 11; Position corresponding to each bolt hole 4 on the cylindrical shell 1 of ball mill is provided with annular support wall 6; With a plurality of holes that offer on the adaptive blimp 2 of cylindrical shell rotary surface profile phase with annular support wall 6 coupling, each hole wall is connected with each annular support wall 6, thereby between blimp 2 and cylindrical shell 1, has formed the sound insulation chamber 3 of vacuum-pumping; Be provided with support column 7 between the annular support wall 6, connect liner plate 5 on the support column 7 and support blimp 2; On the cylindrical shell 1, be respectively arranged with upper and lower two manholes 8 that protrude from the cylindrical shell rotary surface, be provided with two manhole outer covers 11 corresponding to the position of manhole 8 near the position of feed end 13 and discharge end 14; Said manhole outer cover 11 is slidingly connected with respect to blimp 2; Blimp 2 arranged outside annular outer cover 12 on the mid portion cylindrical shell, annular outer cover 12 is rotationally connected with respect to blimp 2, between said manhole outer cover 11 and the annular outer cover 12 lap is arranged; The annular outer cover 12 of lap is in manhole outer cover 11; Thus, outside blimp 2, be provided with the combination of mobilizable outer cover of one deck that is manhole outer cover 11 and annular outer cover 12 again, neither influence the operation of ball mill fastening bolt after running a period of time; Also further noise reduction uses outer cover further noise to be reduced to 30～40 decibels.
Claims (2)
1. ball mill; Comprise cylindrical shell (1), it is vertically arranged with many circle bolts hole (4) cylindrical shell (1) upper edge, and one section of said cylindrical shell (1) is provided with manhole (8) and the cover plate for manhole (10) that protrudes from the cylindrical shell rotary surface; It is characterized in that: at said that section cylindrical shell arranged outside manhole outer cover (11) that is provided with manhole (8); Said manhole outer cover (11) is slidingly connected with respect to cylindrical shell (1), remainder cylindrical shell arranged outside annular outer cover (12), and annular outer cover (12) is provided with the handle hole (15) of position corresponding to each bolt hole (4); Annular outer cover (12) is rotationally connected with respect to cylindrical shell (1); Between said manhole outer cover (11) and the annular outer cover (12) lap is arranged, the annular outer cover (12) of lap is in manhole outer cover (11), and said manhole outer cover (11) and annular outer cover (12) have the vacuum lumen structure.
2. ball mill as claimed in claim 1; It is characterized in that: said vacuum lumen structure is following structure: said structure comprise lamina rara externa (19), inner plating (16) and be filled in lamina rara externa (19) and inner plating (16) between hollow sheeting (18); Also be arranged at intervals with reinforcement (17) between lamina rara externa (19) and the inner plating (16), the spacing between the cross sectional dimensions of reinforcement (17) and lamina rara externa (19), the inner plating (16) is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101110477A CN101966480B (en) | 2010-02-22 | 2010-02-22 | Ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101110477A CN101966480B (en) | 2010-02-22 | 2010-02-22 | Ball mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101966480A CN101966480A (en) | 2011-02-09 |
| CN101966480B true CN101966480B (en) | 2012-03-21 |
Family
ID=43545737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101110477A Expired - Fee Related CN101966480B (en) | 2010-02-22 | 2010-02-22 | Ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101966480B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920568A (en) * | 2014-05-07 | 2014-07-16 | 苏州皇森机电科技有限公司 | Efficient muting ball mill |
| CN104801412A (en) * | 2015-04-09 | 2015-07-29 | 侯如升 | Noise-reduction cover plate for case of stainless steel coarse crusher |
-
2010
- 2010-02-22 CN CN2010101110477A patent/CN101966480B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101966480A (en) | 2011-02-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: PANZHIHUA SHANGYI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: PANZHIHUA WEICHUANG TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20120110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120110 Address after: 617000 Panzhihua City, Sichuan province Vanadium Titanium Industrial Park Panzhihua Shangyi Technology Co., Ltd. Applicant after: Panzhihua Shangyi Technology Co., Ltd. Address before: 617000 Panzhihua Vanadium Titanium Industrial Park, Sichuan, Sichuan province Panzhihua micro invasive science and Technology Development Co., Ltd. Applicant before: Panzhihua Weichuang Technology Development Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20180222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |