CN1400058A - Ball grinder - Google Patents
Ball grinder Download PDFInfo
- Publication number
- CN1400058A CN1400058A CN 02127791 CN02127791A CN1400058A CN 1400058 A CN1400058 A CN 1400058A CN 02127791 CN02127791 CN 02127791 CN 02127791 A CN02127791 A CN 02127791A CN 1400058 A CN1400058 A CN 1400058A
- Authority
- CN
- China
- Prior art keywords
- ball mill
- metal
- secter pat
- steel cable
- secter
- 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.)
- Granted
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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
- B02C17/04—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 unperforated container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A ball mill is provided with a hollow cylinder-shaped machining cavity, machining materials flow through the machining cavity along axis direction in the grinding work, the machining cavity rotates around cylinder axis, the ball moving freely is acted on the machining materiel and crushing them. In the machining cavity, the cylinder-shaped inner wall is composed of a plurality of surfaces connecting with each other along axial direction and circumference direction, which is composed of metal sector blocks supported on the closing casing. A rolling operation slot of prescribed ball linkage is provided along circumference direction on the inner circumference surface of the machining cavity. So the operating noise and energy consumption are reduced, in addition, operating lifetime of wearing part of the ball mill is prolonged. For this end, the metal sector blocks in the closing casing are damped along radial direction and supported without noise. In addition, a prescribed roiling ball is provided in the machining cavity and which can be made to slot with ball mill axial line of inclining angle.
Description
Technical field
The present invention relates to a kind of total notion of ball mill according to claim 1.
Background technology
This ball mill was announced at patent DE-AS 1,287 423.
The fan-shaped piece of the housing of this kind ball mill is radially to be shelved on above the puigging outwardly.
The ball mill that the interior envelope of resiliency supported is housed in the shell of sealing was also announced in patent DE 9,853 266 C2.
Summary of the invention
With these patents is basis, and the present invention at first will solve such problem, promptly improves its structure and resiliency supported effect in this class ball mill.Especially must guarantee the interior envelope that distribution on circumference, mutual amalgamation secter pat are together formed, and will fully seamlessly abut on the flexible support members, can guarantee to reduce reposefully vibration like this and stop the object noise.
Feature design of this class ball mill according to claim 1 can be addressed this problem substantially.
For gearing to actual circumstances and superior shape-designing, should meet the content of claims.
According to the present invention, support by elastic prestress the fan-shaped piece of metal that constitutes ball mill processing cavity inwall, formation in order to guarantee that desired no gap is supported on the one hand, also can use the metal spring element of suitable hardness on the other hand by this kind mode, and can the gapless liner that influences.Needed prestressing force is to reach like this, and promptly when the assembling of fan-shaped piece, with flexible member, the auxiliary equipment by temporary transient use is tightened to a certain degree in advance; In auxiliary equipment, the fan-shaped piece of metal might be assembled into closed ring under the influence that is not subjected to flexible member.Fan-shaped piece radially tightens up by the present invention, reaches by unclamping auxiliary equipment subsequently.By auxiliary equipment, for the fan-shaped piece of assembling, spring element is tightened to the degree of allowance regularly in advance.
On the one hand by the fan-shaped piece of metal having been carried out the support of vibration damping and sound insulation, on the other hand, also by selecting the shape that is rolled into of ball, except desired reduction noise and minimizing transmission energy, also reduced wearing and tearing, reduced the wearing and tearing of the bearing that makes the processing cavity rotation the fan-shaped piece of metal.In addition, the support of vibration damping of the present invention and noise reduction forms, and the design model that is rolled into of ball, also producing favorable influence the service life to actuated element, this is because the running of ball mill is not have the ground of impact to carry out fully compared with the ball mill of this measure of not tool of having announced in the past.
To in the example of the ball mill of back, be further described about a special superiority, and mark in the accompanying drawings.
Brief description of drawings
Fig. 1 is the front view of a ball mill of cutting open;
Fig. 2 is according to the ball mill among Fig. 1, and along a cutaway view of II-II line;
Fig. 3 is the vertical view that the cable wire clamping device is housed on the metal secter pat;
Fig. 4 is the cutaway view along the IV-IV line of metal secter pat among Fig. 3;
Fig. 5 is the sectional view of Fig. 3 along cutting line V-V.
The specific embodiment
A kind of ball mill has an empty tube processing cavity (1), and this processing cavity is within the housing (2) of an outside sealing, is equipped with on the housing directly towards the inside of processing cavity lining, and housing (2) is rotatably to be supported in bearing (3).
Inner liner is made up of many surperficial interconnective metal secter pats (4), for example illustrated ball mill can be used for pulverizing coal, the coal of an one-tenth piece end on the right in the drawings enters ball mill, and is formed on the other end with powder, is sucked out by vacuum low-pressure then.In service at ball mill, unshowned Metal Ball is pulverized processing by moving freely to finish on the figure in its processing cavity (1).When ball mill rotates, ball will be rolled into by processing cavity (1) inner circumferential surface, and be pushed to the top, and with the top, subsequently ball be jumped back on the pulverized coal and will reach and pulverize processing.
Be rolled into the whole length of processing cavity of having stipulated extension slot (5), this length forms the angle of inclination with the ball mill longitudinal axis.Be to tilt from the top down just from the ball mill port of export to entrance point.The spring element (6) of metal secter pat (4) by radially working, for example the spring element in ball mill housing (2) is radially flexibly being supported.Spring element (6) just directly abuts in the spring segmentation towards one by one formation Ω shape, the segmentation that is elastic reaction, metal secter pat (4) along the circumferential direction.Spring element (6) can be by other vibration damping and the collaborative work together of noise reduction equipment.
Metal secter pat (4) is pieced together circular element (7) respectively, on the length of processing cavity (1), has many such circular elements (7) to be spliced one by one, thereby forms processing cavity (1) circumferential surface of a complete closed simultaneously.
Some metal secter pats (4) on the single annulus element (7), the process that tightens up with steel cable that centers on or steel band (8) respectively through an annulus element (7) at least at every turn.Tightening up and fixing for steel cable (8), on each annulus element (7) a metal secter pat (4) is arranged, and a kind of special clamping device (9) is housed, and this clamping device is gone up just in order to tighten up steel cable (8), as just the device for fastening of interim installation at metal secter pat (4).
The design of clamping device (9) is in order to use a return bend to admit steel cable (8), and surrounded by steel cable (8) fully to the outside in circular element (7) footpath, the return bend of steel cable (8) is fixed on that corresponding metal secter pat (4) is gone up and the part of the steel cable bearing (10) that forms as a groove.The eye (11) that is arranged on steel cable return bend zone defined is passed, so that can tighten up from ball mill inside in two free terminations of steel cable (8) on metal secter pat (4).Tighten up by means of an interim tightening device of installing and carry out.In order to live tightening device in metal secter pat (4) upper support, form one and tighten up bearing (12), in order to tighten up steel cable (8), allow free two end ends be among the clamping device of termination, after finishing the tightening up of steel cable (8), two free terminations of this steel cable (8) among clamping device (9), at every turn by means of a clamping crotch (13), the return bend zone of the other end by constituting steel cable (8) and effectively being clamped.For this purpose, will utilize a clamping device (9) with clamping crotch (13) locking door bolt (14).It is to fasten (14) with a bolt or latch and utilize the nut (15) that withstands locking door bolt (14) on the leg that is contained in crotch (13) to finish the reverse side clamping by loading onto locking that the reverse side of steel cable clamps.Locking door bolt (14) puts together with clamping crotch (13), as the part of regulation, and passes among the space of metal secter pat (4).Locking door bolt (14) is made by anti abrasive material, and is with three clamping crotches (13) at every turn and the locking effect takes place jointly.Wherein these crotches also can and become a common means.Be used as assembling and when loading onto tightening device, the steel cable (8) that will tighten up in first step operation can be removed tightening device after in clamping device (9) the steel cable termination being clamped mutually temporarily.
The spring element of radially working (6) is to be installed on the ball mill housing (2) by securing member (17).
The installation of the inner liner of ball mill should following mode be carried out: the first step, the spring element (6) of radially working is fixed on the housing (2), and will load onto by the single circular element (7) that metal secter pat (4) are formed then.When this assembling, single metal secter pat (4) temporarily is positioned under the radially prestressing force effect of radial spring element (6), and after all metal secter pat (4) was finished the location, the steel cable (8) that will reinforce annulus element (7) was incorporated into and tightens up the position.Subsequently after temporary fixed the unclamping with the metal secter pat (4) on the relevant circular element (7), steel cable (8) should carry out the suitable clamping of annular from the inner exercisable tightening device of processing cavity (1) by means of a utilization, is remaining on according to the method for afore mentioned rules under the state that clamps among the clamping device (9).Adopt this kind method that single annulus element (7) will be installed, up to the appearance of the inside of complete ball mill lining.
In order to improve the object noise, especially improve effect of heat insulation, between metal secter pat (4) and shell body (2), should fill the packing material that can adapt to shape, glass fibre cotton for example,
The ball mill of this kind structure is compared with the ball mill of former announcement has following outstanding advantage:
Energy resource consumption is less
The number of ball is less
Fan-shaped wearing and tearing with bearing of metal are less
Prolong service life
Reduce noise.
Claims (10)
1. a ball mill comprises an empty tube processing cavity, and processed material flows vertically in this chamber in milling operation, and around the cylinder axis rotation, in processing cavity, allows the ball that moves freely that material is pulverized processing, wherein,
The circle tube inner wall of processing cavity is made of with the metal secter pat amalgamation of circumferencial direction vertically various, and the secter pat surface connects together mutually one by one, and secter pat is supported on the shell of sealing,
On the processing cavity circumferential surface, be provided with ball, and at the ball that is rolled into of circumferencial direction regulation interlock,
The metal secter pat is in the shell that radially is supported on sealing of vibration damping and noise elimination,
It is characterized in that, metal secter pat (4) be radially, elasticity and effectively being supported on the shell (2) of sealing.
2. according to the described ball mill of claim 1, it is characterized in that, described metal secter pat (4) is to be arranged to comprise respectively on circumference many metal secter pats (4) and interconnective vertically annulus element (7), some metal secter pats (4) of each annulus element (7) use a steel cable or steel band (8) to embrace this annulus element (7) on circumference at least simultaneously, so that it tightens up reinforcing each other.
3. according to the described ball mill of claim 2, it is characterized in that a metal secter pat (4) is arranged on every annulus element (7), the steel cable that tightens up (8) is equipped with a clamping device (9), simultaneously,
Described steel cable (8) is arranged to u shape on the circumference of annulus element (7), and with first termination of u-shaped bend as steel cable (8), and the termination of freely stretching out is as second termination,
The free termination of described steel cable (8) is passed metal secter pat (4) and is entered the ball mill inner chamber, and with the u-shaped bend zone in tighten up state steel cable interconnect securely.
4. according to the described ball mill of claim 3, it is characterized in that clamping device (9) has two active clamping crotches (13) of packing into, this crotch (13) is centered around interconnective steel cable zone, and can lock and clip.
5. by claim 3 or 4 described ball mills, it is characterized in that, the clamping crotch (13) of working with locking door bolt (14) is to be embedded among the inner radial surface of corresponding metal secter pat (4), and by removing to close and open locking door bolt (14) from ball mill inner chamber apparatus operating.
6. by the described ball mill of claim 3 to 5, it is characterized in that, the metal secter pat (4) that clamping device (9) is housed is provided with one in its side towards the ball mill inner chamber and tightens up bearing (12), and can only when each tension steel cable (8), use, and when tightening up, fix the steel cable termination temporarily.
7. according to the described ball mill of above-mentioned arbitrary claim, it is characterized in that, radial elastic support to metal secter pat (4) is to finish by the spring element (6) on the shell (2) that is fixed on sealing, and spring element (6) is towards the spring segmentation of circumferencial direction formation radial effect one by one.
8. according to the described ball mill of above-mentioned arbitrary claim, it is characterized in that being rolled into of ball is to vertically move and be trapped in groove (5) in each metal secter pat (4), last and ball mill longitudinal axis formation angle of inclination along ball mill.
9. according to the described ball mill of above-mentioned arbitrary claim, it is characterized in that, between the free space of metal secter pat (4) and ball mill shell (2), all fill up the packing material that the heat insulation and additional insulation of eliminating the noise adapts to shape.
10. according to the manufacture method of the described ball mill of claim 3 to 9, it is characterized in that,
Pack into radially spring element (6), and comprise on the shell (2) that is fixed in sealing,
In the middle of radially the clamping of each spring element that contacts respectively (6), single metal secter pat (4) is temporarily fixed, so that an annulus element (7) the needed metal secter pat of structure (4) to be installed,
Preestablish the steel cable or the steel band (8) of the whole metal secter pats (4) that at every turn surround an annulus element (7),
Unclamp temporary transient fixing afterwards at complete annulus element (7) of appearance,
Tighten up steel cable or steel band (8),
Annulus element (7) should be loaded into and tighten up at least as stated above one by one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10136933.6 | 2001-07-28 | ||
| DE2001136933 DE10136933B4 (en) | 2001-07-28 | 2001-07-28 | ball mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1400058A true CN1400058A (en) | 2003-03-05 |
| CN1277617C CN1277617C (en) | 2006-10-04 |
Family
ID=7693485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02127791 Expired - Fee Related CN1277617C (en) | 2001-07-28 | 2002-07-29 | Ball grinder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1277617C (en) |
| DE (1) | DE10136933B4 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10233092A1 (en) * | 2002-07-19 | 2004-01-29 | Kapolnek Gmbh | Vibration and structure-borne noise isolating device on the floor of a vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH340121A (en) * | 1954-05-10 | 1959-07-31 | Smidth & Co As F L | Tube mill |
| DE1919394U (en) * | 1963-08-16 | 1965-07-08 | Cwielong & Winkler Ingenieurbu | ARRANGEMENT OF LINING ON MILLS, IN PARTICULAR BALL MILLS. |
| DE1287423B (en) * | 1966-03-19 | 1969-01-16 | Koppers Gmbh Heinrich | Soundproof pipe mill |
| AT333106B (en) * | 1974-09-24 | 1976-11-10 | Rogojew Nikolaj Wladimirow Dip | DEVICE FOR FASTENING PANEL PLATES OF TUBE OR DRUM MILLS |
| DE19853766C2 (en) * | 1998-11-21 | 2001-05-03 | Netzsch Erich Holding | Grinding bowl with ceramic lining |
-
2001
- 2001-07-28 DE DE2001136933 patent/DE10136933B4/en not_active Expired - Fee Related
-
2002
- 2002-07-29 CN CN 02127791 patent/CN1277617C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE10136933B4 (en) | 2005-03-10 |
| DE10136933A1 (en) | 2002-05-23 |
| CN1277617C (en) | 2006-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 |