CN1277617C - Ball grinder - Google Patents
Ball grinder Download PDFInfo
- Publication number
- CN1277617C CN1277617C CN 02127791 CN02127791A CN1277617C CN 1277617 C CN1277617 C CN 1277617C CN 02127791 CN02127791 CN 02127791 CN 02127791 A CN02127791 A CN 02127791A CN 1277617 C CN1277617 C CN 1277617C
- Authority
- CN
- China
- Prior art keywords
- ball mill
- metal
- steel cable
- secter pat
- 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.)
- Expired - Fee Related
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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
-
- 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 ball mill.
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 flexible support members that absorbs vibration is not set between fan-shaped piece and the puigging, when ball crusher is worked, has serious oscillation phenomenon.
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.But the fan-shaped piece of this ball mill is comparatively loosening, moves diametrically easily, causes vibration and noise still bigger.
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.
In order to solve the technical problem that prior art exists, the invention provides a kind of ball mill, comprise an empty tube processing cavity, processed material flows vertically in this chamber in milling operation, and around the cylinder axis rotation, in processing cavity, allow 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, the secter pat surface connects together mutually one by one, secter pat is supported in the shell of sealing, is provided with the portion of being rolled on the processing cavity circumferential surface, and ball links with this portion of being rolled in a circumferential direction, wherein, metal secter pat (4) is radially, elasticity and effectively being supported in the shell (2) of sealing so that vibration damping and noise elimination.
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, the shape of the portion that is rolled into by selecting ball also, 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 ball is rolled into the design model of portion, also produces favorable influence the service life to actuated element, and 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 rotated, ball will be by the portion that is rolled into of processing cavity (1) inner circumferential surface, and was pushed to the top, and with the top, subsequently ball was jumped back on the pulverized coal and reached and pulverize processing.
Preferable, the portion of being rolled into is the groove (5) that is distributed on the whole length of processing cavity, this groove (5) 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) has the Ω tee section, and spring element (6) arranges in a circumferential direction in turn, forms the rubber-like segmentation, and metal secter pat (4) just directly abuts in the elasticity segmentation.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 annulus element (7) respectively, on the length of processing cavity (1), has many such annulus 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 one in a plurality of metal secter pats (4) of each annulus element (7) a kind of special clamping device (9) is housed, 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 to admit steel cable (8) in order to be used for, so that steel cable (8) surrounds this annulus element (7) to the outside fully in annulus element (7) footpath.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), the termination of freely stretching out is as second termination, and the return bend of steel cable (8) is fixed on the flute profile steel cable bearing (10) of corresponding metal secter pat (4) and goes up and pass clamping device (9).The eye (11) that is arranged on steel cable return bend location is passed in two free terminations of steel cable (8) on metal secter pat (4), so that can tighten up from ball mill inside.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 two free end ends be among the clamping device respectively, after finishing the tightening up of steel cable (8), to laying respectively at two free terminations of the steel cable (8) among two clamping devices (9),, make it effectively to be clamped with the return bend zone of the other end that constitutes steel cable (8) by means of three clamping crotches (13).For this purpose, will utilize clamping crotch (13) and locking on every clamping device (9) to fasten (14) with a bolt or latch.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, and the quantity of crotch also can be more than two or three certainly, and this is conspicuous for a person skilled in the art.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.
In order to be expressly understood the present invention more, specifically describe the route of walking of steel cable 8 below again: two free terminations of steel cable 8 are passed different clamping device 9 (seeing accompanying drawing 3) respectively earlier, and steel cable 8 just has been converted into U-shaped like this; Then, steel cable 8 is around 7 one weeks of annulus element (seeing accompanying drawing 2); At last, two free ends pass the clamping device (seeing accompanying drawing 2-5) that last time passed once more respectively.After steel cable 8 was walked with above-mentioned route, steel cable 8 was folded in half into U-shaped and encircles on the excircle of annulus element 7, and the return bend of steel cable 8 and free termination are held by clamping device and link together.
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 annulus 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 annulus 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, for example glass fibre cotton.
The ball mill of this structure is compared with the ball mill of former announcement has following outstanding advantages:
Energy resource consumption is less
The number of ball is less
The wearing and tearing of metal secter pat and bearing are less
Increase the 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 in the shell of sealing,
On the processing cavity circumferential surface, be provided with the portion of being rolled into, and ball in a circumferential direction with the interlock of this portion of being rolled into,
It is characterized in that, metal secter pat (4) be radially, elasticity and effectively being supported in the shell (2) of sealing so that vibration damping and noise elimination.
2. according to the described ball mill of claim 1, it is characterized in that, a plurality of metal secter pats (4) piece together annulus element (7), this annulus element (7) that comprises a plurality of metal secter pats (4) interconnects vertically, 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, on a metal secter pat (4) of every annulus element (7), clamping device (9) is housed, the steel cable (8) that this clamping device (9) is used to tighten up, 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), 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 the free termination of described steel cable (8) and u-shaped bend interconnect securely by clamping device (9).
4. according to the described ball mill of claim 3, it is characterized in that clamping device (9) has two clamping crotches (13) of packing into versatilely, 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 the inboard along radial direction that is embedded in 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, 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 use when each tension steel cable (8) temporarily, and fixes the steel cable termination when tightening up.
7. according to the described ball mill of claim 3, 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 claim 1, it is characterized in that, the portion of being rolled into of ball be along ball mill vertically move and be trapped in groove (5) in each metal secter pat (4), the direction of described groove (5) and ball mill longitudinal axis constitute the angle of inclination.
9. according to the described ball mill of claim 1, it is characterized in that, between the free space of metal secter pat (4) and ball mill shell (2), fill up the insulation filling material of heat insulation and additional noise elimination usefulness, and this packing material is the deformable flexible material.
10. according to the manufacture method of the described ball mill of claim 3 to 9, it is characterized in that,
The spring element (6) of packing into and radially working, and comprise on the shell (2) that is fixed in sealing,
In the middle of radially the clamping of each spring element (6) that contacts with metal secter pat (4), 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 CN1400058A (en) | 2003-03-05 |
| CN1277617C true 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 |
|---|---|
| CN1400058A (en) | 2003-03-05 |
| DE10136933A1 (en) | 2002-05-23 |
| DE10136933B4 (en) | 2005-03-10 |
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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 |