CN203196693U - Total radial discharging ball mill - Google Patents
Total radial discharging ball mill Download PDFInfo
- Publication number
- CN203196693U CN203196693U CN 201220745407 CN201220745407U CN203196693U CN 203196693 U CN203196693 U CN 203196693U CN 201220745407 CN201220745407 CN 201220745407 CN 201220745407 U CN201220745407 U CN 201220745407U CN 203196693 U CN203196693 U CN 203196693U
- Authority
- CN
- China
- Prior art keywords
- ball mill
- discharging
- feed
- liner plate
- cylindrical shell
- 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
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a total radial discharging ball mill which consists of a main motor, a speed-regulating transmission device of the main motor, a feeding motor, a speed-regulating transmission device of the feeding motor, a feeding and spiral propelling device, a rotary cylinder, an external coated screen of the rotary cylinder, a cylinder lining plate component, a cylinder inner grinding steel ball, a ball mill supporting part and a discharging box. When the ball mill works, after materials enter the cylinder from a feeding hole, the materials are rapidly and uniformly distributed in the cylinder along the axial direction under the action of rotation, are rotated and ground along with the grinding steel ball, and continuously flow in a reciprocating mode in gaps among the grinding chamber, the lining plate and the cylinder until the materials are ground to be fine enough and can penetrate through a steel mesh so as to enter the discharging box, so that a radial reciprocating motion is formed; moreover, the radial discharging motion exists on the total cylindrical wall of the cylinder along the axis direction, namely the materials are discharged in a total radial mode. Compared with the traditional ball mill, the ball mill has the advantages that by employing the motion mode of enabling the materials to slowly and axially flow to the discharging end from the feeding end, the ball mill has the characteristics of high grinding efficiency and high material recovery rate.
Description
Technical field
The utility model relates to a kind of ball mill, and especially relating to a kind of is the ball mill of discharge way to discharging with overall diameter.
Background technology
Ball mill is that bulk materials is by after the preliminary fragmentation, the key equipment of pulverizing again, it is widely used in cement, and production industries such as New Building Materials, refractory material, black non-ferrous metal ore and glass ceramics carry out dry type or wet type grinding to various ores and other grindability material.
The groundwork of ball mill partly is one and is contained on two large size bearings and the revolving drum of horizontal positioned, the abrasive body of definite shape and size is housed in cylindrical shell.When ball mill turned round, abrasive body turned round with cylindrical shell, and was brought to certain altitude, free-falling under the gravity effect, and the material that impacts the bottom smashes material.In addition, in the rotating process of grinding machine, abrasive body also produces and slides and roll, thereby between abrasive body, liner plate and the material abrasive action takes place, and makes material levigate.Because feed end constantly drops into new material and produces axial thrust, in addition, impact material when abrasive body falls and also produce axial thrust, these active forces make material flow to discharge end lentamente by feed end, finish grinding operation.
Present ball mill material all is to flow to discharge end lentamente from feed end, and flow direction can be described as axial discharging ball mill with axially consistent.Existing axial discharging ball mill and the utility model ball mill Flow of Goods and Materials direction are done a comparison diagram as shown in Figure 1.It specifically has following several discharge method axial discharging ball mill: 1. center discharging: this grinding machine is that perforate wherein is divided into again as discharging opening on quill shaft: a: the discharging of overflow-type center.This grinding machine is when grinding, and charge level must exceed discharge port in the mill, makes the material overflow and goes out, and mill ball is adorned manyly during work, and the mill inner structure is simple, but operates dumbly, and grinding process can not be adjusted.This discharge way is in the accompanying drawing 1 shown in a component; B: grid-like discharging.For overcoming above-mentioned discharging defective, the grid-like riser is housed to help discharging at the mill tube tail, this class grinding machine is used more in the cement plant.This discharge way is in the accompanying drawing 1 shown in the b component; 2. middle part discharging: the discharging of this grinding machine is that perforate is with discharging on the perisporium at cylindrical shell middle part, and material enters from the two ends charging aperture, and it is synthetic that in fact it is equivalent to two you portions periphery discharging grinding machine.This discharge way is in the accompanying drawing 1 shown in the c component.
Existing axial ball ball mill is because the material stroke is longer, it is slow to flow, and the material thickness inequality of coming out sometimes also needs once to sieve, therefore abrasive dust efficient is lower, material and abrasive body are long time of contact, make the wear rate of abrasive body higher, make that also the power consumption of ball mill is higher, in addition, this ball mill has two openings at least, and the equipment sealing is also bad, has influenced the rate of recovery of material.
The utility model content
The utility model makes deficiencies such as abrasive dust efficient is low, material recovery rate is low at material in the existing ball mill because flowing vertically, provide a kind of material axially to be flowed into by import department, and from the ball mill of ball mill revolving drum by screening and discharging, the flow direction of material is Radial Flow in this ball mill, can be called overall diameter to the discharging ball mill.This discharge way is in the accompanying drawing 1 shown in the d component.
For solving the problems of the technologies described above, realize the utility model purpose, overall diameter of the present utility model consists of the following components to the discharging ball mill: grind steel ball, ball mill support component, feed box in main motor and speed-regulating actuator thereof, charging motor and speed-regulating actuator, charging and spiral pushing device, ball mill rotating cylinder, cylindrical shell interior lining panel assembly, the cylindrical shell.
The utility model ball mill main body is a revolving body, on the axis of rotation of both ends of the surface, wherein an end is the feed end of quill shaft, the other end then is main driven by motor variable-frequency governor, drive the semiaxis of rotating cylinder by shaft coupling, power is passed to ball mill barrel, make cylindrical shell carry out gyration, and the quill shaft of this semiaxis and feed end is all supported by bearing holder component, be fixed on the frame, though two end axles bearing size is different, two revolution axle center are consistent, the common firm support in two ends body, make the ball milling body carry out gyration reposefully.
The charging of the utility model ball mill is to utilize shaft coupling to drive a spiral propeller by the charging motor front end that has frequency control, the material that needs ball milling is pushed vertically the gyrosphere grinding mill barrel realizes.A fixing feed hopper is arranged between the rotating hollow feed shaft of ball mill and charging motor, its top is a up big and down small taper charging aperture, material is put into from above, enter lower end rectangle feed bin downwards by gravity, this rectangle feed bin is having a big hole the same with the spiral propeller diameter of axle near motor one side, spiral propeller can be fitted inside like this, the rectangle feed bin is having a same big hole with hollow feed shaft external diameter near ball mill revolution hollow feed shaft one end, spiral propeller just can run through the hollow feed shaft always from feed hopper like this, extend to the rotating cylinder end face, spiral propeller just can push the material in the feed hopper in the ball mill like this.
In the utility model scheme, revolution hollow feed shaft is moved, and feeding warehouse is fixed, and two parts are close together, therefore, at quill shaft revolution end face one circle rotary packing ring is arranged fixedly, played soft connection the between moving component and the stationary parts like this, to guarantee that material can not leak here, played the effect of sealing, same, in other end, rectangular shaped feed storehouse, the soft sealing ring of a circle is also placed in the inboard, hole in the place that auger core fits inside, and plays the effect of sealing like this.
The utility model ball mill rotating cylinder both sides are circular steel plates, play the rotating effect of supporting, and the screen cloth that coats outside liner plate, rotating cylinder and the cylindrical shell between the circular steel plate in both sides has been formed the ball mill rotating part jointly.Liner plate is made of the antifriction alloy steel (for example Mn13 potassium steel) of 6 sections arcs, every section radian is at 53 °--between 57 °, the radius of arc (R) is than the little 60--100mm of rotating cylinder radius, and 6 sections arc plates evenly are welded on the steel plate circumference of both sides circle, and the inner space that forms is called grinding chamber.The distance (L1) that the initiating terminal of 6 sections arc plates arc when welding is welded in apart from the centre of gyration is its arc radius (R), be L1=R, and the other end of arc from centre of gyration distance (L2) than the big 10--20mm of its radius, be L2 ﹥ R, like this, certain clearance is arranged not only between liner plate and the liner plate, and the adjacent liner plate end face of gap location can form a ladder, can make material enter cavity between liner plate and cylindrical shell by the gap like this, also can make material fall into adjacent liner plate from a liner plate.
The utility model ball mill rotating cylinder is made by the 10--20mm steel plate, above the aperture of uniform 5--10mm, the lateral arcs spacing of aperture is between 10--20mm, so that the good material of ball milling passes through, cylindrical shell coats one deck steel screen cloth outward, the pitch-row of screen cloth is decided according to the character of material and the final material granularity of needs ball milling, is generally 10 orders--100 orders.
Outside the ball mill rotating part, coat a feed box, this hopper top is cuboid, its length is longer than ball mill barrel, its width is also all big than ball mill barrel diameter with short transverse, so just can be coated on inside to the ball mill rotating part fully, and having the hole in the place that penetrates with two axle heads of ball mill, the running part of ball mill and feeding part are just outside feed box like this.The feed box bottom is a bullet, and the base with each side of feed box cuboid links to each other above, and the bottom is shunk and diminished, and bottommost and columniform discharging opening join.
The utility model ball mill is removed feed hopper device and the feeding screw of feed end earlier before use, puts into a certain amount of steel ball as the abrasive body of ball mill from revolution quill shaft charging aperture.The size of steel ball can be inhomogeneous, but diameter all should be greater than the gap between two liner plates and less than 150mm, and the amount of putting into of steel ball is the 20%--30% that takes ball mill rotating cylinder sectional area.After steel ball is placed and to be finished, feed hopper device and the feeding screw of feed end installed.
This ball mill course of work is as follows: open ball mill master motor and charging motor respectively, the RHVC of two motors also starts thereupon simultaneously, this ball mill can stepless speed regulation grind the different grinding rates of needs to satisfy various different materials, this moment, ball mill rotating cylinder and feeding screw all moved, at this moment needs being carried out the material of ball milling puts into continuously from feed hopper upper taper charging aperture, material falls into feed hopper lower end rectangle feed bin because of gravity, and forward promoted enter in grinding chamber ball mill rotating cylinder in by feeding screw this moment.When ball mill turned round, material and grinding steel ball all turned round with cylindrical shell, and are brought to certain altitude, free-falling under the gravity effect, and the material that impacts the bottom smashes material.In addition, in the rotating process of grinding machine, grind steel ball and also produce slip and rolling, thereby between grinding steel ball, liner plate and the material abrasive action takes place, make material levigate.Owing between the utility model ball grinding machine lining board the space is arranged, material can be in the rotating while some can be by this space enter in the cavity between liner plate and cylindrical shell, and fully ground in some in these materials, their granularity is less than the diameter of uniform aperture on the cylindrical shell, so just fall into these apertures, last, the granularity that exists in this partial material is just passed the steel screen cloth less than the material of the outer sieve number that coats of cylindrical shell, fall into feed box, become qualified products.And remaining because of granularity bigger, the material that does not have to pass the steel screen cloth can flow back to the space between liner plate in ceaselessly turning round, return grinding chamber the cavity between liner plate and cylindrical shell again, continue the process of lapping between repetition and grinding steel ball, and between reciprocal cavity and grinding chamber, fully ground until material, pass the steel screen cloth and enter feed box.
The utility model ball mill is when work, after its material enters cylindrical shell from charging aperture, under rotating effect, can evenly be distributed in the cylindrical shell vertically rapidly, and with grind steel ball and turn round and ground, material ceaselessly back and forth flows in the space between grinding chamber and liner plate and cylindrical shell afterwards, enough carefully passing the steel screen cloth enters feed box until being milled to, be a reciprocating motion radially like this, and this radially discharging campaign is present in the whole on the barrel of axis direction of cylindrical shell, so be called overall diameter to discharge method.And after traditional ball mill material enters cylindrical shell, because feed end constantly drops into new material, impacting material generation axial thrust when abrasive body falls makes material flow to discharge end lentamente by feed end, finish grinding operation, the screening of material also is to carry out after having gone out rotating cylinder again, this material movement all is axial, is different from radially discharging motion mode of the utility model ball mill fully.
Description of drawings
Accompanying drawing 1 is existing ball mill and the utility model ball mill Flow of Goods and Materials direction comparison diagram.
Wherein a is overflow-type center discharge way; B is the grid-like discharge way; C is the middle part discharge way; D is that the overall diameter of the utility model ball mill is to discharge way.Among the figure: 1. charging aperture, 2. revolving body supports, 3. ball mill barrel, 4. discharging opening, 5. feed box.
Accompanying drawing 2 is that overall diameter of the present utility model is to discharging ball mill structural representation.
Accompanying drawing 3 is left views of A-A section in the accompanying drawing 2.
In accompanying drawing 2 and the accompanying drawing 3: 1. charging motor, 2. charging RHVC, 3. feed hopper device, 4. feeding screw, 5. feed end rotary packing ring, 6. feed end bearings holder assembly, 7. revolution feed shaft, 8. ball mill turns round end face, 9. liner plate, 10. rotating cylinder, 11. screen cloth, 12. feed boxes, 13. gyroaxises, 14. gyroaxis bearings holder assembly, 15. main motor variable-frequency speed-regulating devices, 16. main motors, 17. the grinding steel ball, 18 discharging openings, 19 sealing rings.
The specific embodiment
With reference to accompanying drawing 2, accompanying drawing 3, overall diameter of the present utility model comprises charging motor 1 and charging RHVC 2, main motor 16 and RHVC 15 thereof, feed hopper device 3 and spiral propeller 4, ball mill rotating cylinder 10 and intraware thereof, feed end bearings holder assembly 6, gyroaxis bearings holder assembly 14 and feed box 12 compositions to the discharging ball mill.
The ball mill charging is to utilize shaft coupling to drive feeding screw 4 by charging motor 1 front end that has frequency control will need the material of ball milling to push gyrosphere grinding mill barrel 10 vertically.A fixing feed hopper 3 is arranged between the rotating hollow revolution feed shaft 7 of ball mill and charging motor, and material enters from above, enters lower end rectangle feed bin downwards by gravity.At quill shaft revolution end face one circle rotary packing ring 5 is arranged fixedly, to guarantee that material can not leak here.
Ball mill rotating cylinder both sides are circular steel plates, constitute ball mill revolution end face 8, the steel plate diameter is Φ 1000mm, steel plate adopts the A3 steel to do, thickness is 16mm, and guaranteeing has enough intensity, and plays the rotating effect of supporting, the screen cloth 11 that coats outside liner plate 9 between the circular steel plate in both sides, rotating cylinder 10, the cylindrical shell and the inner grinding steel ball of placing 17 have been formed the ball mill rotating part jointly.Liner plate 9 is made of the antifriction alloy steel of 6 sections arcs, and every section radian is 57 °, and the R radius of arc is 400mm, than the little 100mm of rotating cylinder radius, 6 sections arc plates evenly are welded on the steel plate circumference of both sides circle, and the inner space that forms is called grinding chamber, is designated as I in accompanying drawing 3.The distance (L1) that the initiating terminal of 6 sections arc plates arc when welding is welded in apart from the centre of gyration is its radius (R) 400mm, be L1=R=400mm, and the other end of arc is from centre of gyration distance L 2=415mm, than the big 15mm of its arc radius (R),, like this, certain clearance is just arranged between liner plate and the liner plate, and the liner plate end face that gap location is adjacent can form a ladder, can make material enter cavity between liner plate and cylindrical shell by the gap like this, also can make material fall into adjacent liner plate from a liner plate.This cavity is designated as II in accompanying drawing 3.
Ball mill rotating cylinder 10 is made by the 16mm steel plate, roll into the cylindrical drum of diameter of phi 1000mm, its length is 1200mm, above the aperture of uniform Φ 5mm, the lateral arcs spacing of aperture is 10mm, so that the good material of ball milling passes through, cylindrical shell coats one deck steel screen cloth 11 outward, and the specification of sieve screen apertures is 40 orders.
Coat a feed box 12 outside the ball mill rotating part, this hopper top is cuboid, and the ball mill rotating part is coated on inside fully.The feed box bottom is a bullet, and the base with each side of feed box cuboid links to each other above, and the bottom is shunk and diminished, and bottommost and columniform discharging opening 18 join.
Ball mill is put into grinding steel ball 17 from revolution quill shaft charging aperture before ball mill uses.The amount of putting into of steel ball is to take 25% of ball mill rotating cylinder sectional area, and steel ball is divided into 3 kinds by diameter: Φ 50mm, Φ 100mm, Φ 125mm, put into by 1/3 of total quantity for every kind.
The material that present embodiment uses the electrolytic manganese metal sheet to grind as need, the electrolytic manganese metal sheet uses and meets standard: the trade mark is the product of DJMnD among the YB/T051-2003, its manganese content is 99.8%, the irregular sheet of its every length of a film and wide size average out to 8mm*5mm, average thickness is 1.5mm, because electrolytic manganese metal sheet character is hard and crisp, be difficult for being ground, adopt other the difficult pulverizing of disintegrating apparatus.Mechanical milling process is as follows: open ball mill master's motor and charging motor, the RHVC of two motors also starts thereupon and all is transferred to 10 rev/mins simultaneously, the electrolytic manganese metal sheet is put into continuously from feed hopper upper taper charging aperture, material falls into feed hopper lower end rectangle feed bin because of gravity, and forward promoted enter in grinding chamber I ball mill rotating cylinder in by feeding screw this moment.When ball mill turned round, electrolytic manganese metal sheet and grinding steel ball all turned round with cylindrical shell, and are brought to certain altitude, free-falling under the gravity effect, and the material that impacts the bottom smashes the electrolytic manganese metal sheet.In addition, in the rotating process of cylindrical shell, grind steel ball and also produce slip and rolling, thereby between grinding steel ball, liner plate and the material abrasive action takes place, make material levigate.Owing between the utility model ball grinding machine lining board the space is arranged, some can be by this space enter in the cavity II between liner plate and cylindrical shell in the rotating while in the electrolytic manganese metal sector-meeting, and fully ground in some in these materials, this material just is called manganese powder, their granularity is less than the diameter of uniform aperture on the cylindrical shell, so just fall into these apertures, at last, the granularity that exists in this partial material is just passed the steel screen cloth less than 40 purpose manganese powders, fall into feed box, become qualified products.And the electrolytic manganese metal that does not have greatly to pass the steel screen cloth because of granularity can flow back to the space between liner plate in ceaselessly turning round, return grinding chamber the cavity between liner plate and cylindrical shell again, continue the process of lapping between repetition and grinding steel ball, and between reciprocal cavity and grinding chamber, fully ground until material, pass the steel screen cloth and enter feed box.
Detect the electrolytic metal powder that ball milling is crossed at last, detect with 40 purpose screen clothes, percent of pass reaches more than 99%, and this ball milling effect that this ball mill is described is fine.Ball mill output is calculated, the manganese powder that weighing is per hour collected by feed box, measuring the average hourly output of this ball mill is 2.5 tons, the efficient that has so also proved this ball mill also is higher.
Claims (1)
1. an overall diameter is characterized in that to the discharging ball mill:
A. overall diameter is formed by grinding steel ball, ball mill support component, feed box in main motor and speed-regulating actuator, charging motor and speed-regulating actuator, charging and spiral pushing device, ball mill rotating cylinder, cylindrical shell interior lining panel assembly, the cylindrical shell to the discharging ball mill;
B. overall diameter is a revolving body to discharging ball mill main body, on the axis of rotation of both ends of the surface, wherein an end is the feed end of quill shaft, the other end then is main driven by motor variable-frequency governor, by the semiaxis of shaft coupling drive rotating cylinder, power is passed to ball mill barrel, make cylindrical shell carry out gyration, and the quill shaft of this semiaxis and feed end is all supported by bearing holder component, is fixed on the frame the common firm support body in two ends;
C. overall diameter is to utilize shaft coupling to drive a spiral propeller by the charging motor front end that has frequency control to the charging of discharging ball mill, the material that needs ball milling pushed vertically the gyrosphere grinding mill barrel realizes, a fixing feed hopper is arranged between the rotating hollow feed shaft of ball mill and charging motor, spiral propeller runs through the hollow feed shaft always from feed hopper, extend to the rotating cylinder end face, spiral propeller pushes the material in the feed hopper in the ball mill;
D. overall diameter is circular steel plates to discharging ball mill rotating cylinder both sides, liner plate between the circular steel plate in both sides, the outer screen cloth that coats of rotating cylinder and cylindrical shell, formed the ball mill rotating part jointly, liner plate is made of 6 sections arc plates, every section arc plate radian is at 53 °--between 57 °, the little 60--100mm of radius ratio rotating cylinder radius of arc, 6 sections arc plates evenly are welded on the steel plate circumference of both sides circle, the inner space that forms is called grinding chamber, the initiating terminal of 6 sections arc plates arc when welding is welded in apart from the distance of the centre of gyration and is its arc radius, and the other end of arc from centre of gyration distance than the big 10--20mm of its radius, between liner plate and the liner plate certain clearance is arranged, and the liner plate end face that gap location is adjacent can form a ladder, can make material enter cavity between liner plate and cylindrical shell by the gap, also can make material fall into adjacent liner plate from a liner plate;
E. overall diameter is made by the 10--20mm steel plate to discharging ball mill rotating cylinder, above the aperture of uniform 5--10mm, the lateral arcs spacing of aperture is between 10--20mm, cylindrical shell coats one deck steel screen cloth outward, the pitch-row of screen cloth is generally 10 orders--100 orders;
F. coat a feed box outside the ball mill rotating part, the feed box bottom is a bullet, and the bottom is shunk and diminished, and bottommost and columniform discharging opening join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745407 CN203196693U (en) | 2012-12-31 | 2012-12-31 | Total radial discharging ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745407 CN203196693U (en) | 2012-12-31 | 2012-12-31 | Total radial discharging ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203196693U true CN203196693U (en) | 2013-09-18 |
Family
ID=49140835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220745407 Expired - Fee Related CN203196693U (en) | 2012-12-31 | 2012-12-31 | Total radial discharging ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203196693U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934086A (en) * | 2014-03-12 | 2014-07-23 | 江西稀有稀土金属钨业集团有限公司 | Variable-speed quantitative feeding system of ball mill |
| CN104624305A (en) * | 2014-12-12 | 2015-05-20 | 广西大学 | Closed type ore mill |
| CN107999211A (en) * | 2017-12-01 | 2018-05-08 | 龙泉市尚唐瓷艺发展有限公司 | A kind of Longquan celadon production raw mill plant and its application method |
| CN108501210A (en) * | 2018-04-03 | 2018-09-07 | 中国矿业大学 | A kind of the fiber dispersion mill and fiber dispersing method of organic fibre reinforced compsite |
| CN110965340A (en) * | 2019-11-28 | 2020-04-07 | 浙江圣山科纺有限公司 | Application of high-gloss and super-bright silver-aluminum paste to umbrella surface cloth |
| CN111437936A (en) * | 2020-04-07 | 2020-07-24 | 陈一芳 | Recycling and reprocessing process of foaming insulation board |
-
2012
- 2012-12-31 CN CN 201220745407 patent/CN203196693U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934086A (en) * | 2014-03-12 | 2014-07-23 | 江西稀有稀土金属钨业集团有限公司 | Variable-speed quantitative feeding system of ball mill |
| CN104624305A (en) * | 2014-12-12 | 2015-05-20 | 广西大学 | Closed type ore mill |
| CN107999211A (en) * | 2017-12-01 | 2018-05-08 | 龙泉市尚唐瓷艺发展有限公司 | A kind of Longquan celadon production raw mill plant and its application method |
| CN108501210A (en) * | 2018-04-03 | 2018-09-07 | 中国矿业大学 | A kind of the fiber dispersion mill and fiber dispersing method of organic fibre reinforced compsite |
| CN110965340A (en) * | 2019-11-28 | 2020-04-07 | 浙江圣山科纺有限公司 | Application of high-gloss and super-bright silver-aluminum paste to umbrella surface cloth |
| CN111437936A (en) * | 2020-04-07 | 2020-07-24 | 陈一芳 | Recycling and reprocessing process of foaming insulation board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102989558A (en) | All-radial-direction discharging ball mill | |
| CN203196693U (en) | Total radial discharging ball mill | |
| CN207786728U (en) | A kind of large-size ball mill | |
| CN110882765B (en) | Grinder with high grinding capacity | |
| CN108499669A (en) | Paddle type mill dynamic circulation screening crusher | |
| CN206008879U (en) | A kind of novel mineral wet overflow type ball mill | |
| CN203862329U (en) | Drum ball mill for manufacture of low-cost aluminum nitride ceramic substrate for LED | |
| CN213078654U (en) | Novel mechanical energy-saving ball mill | |
| CN113522460A (en) | Ball mill with non-cylindrical barrel | |
| CN208161724U (en) | A kind of continous way planetary ball mill | |
| CN203862325U (en) | Vertical type centrifugal mill | |
| CN201832793U (en) | Steel ball classifier | |
| CN108405083A (en) | A kind of continous way planetary ball mill | |
| CN111570030A (en) | Ball mill feeding device | |
| CN100391615C (en) | Disc type magnetic roll squeezer | |
| CN204220211U (en) | A kind of planetary gear is from the centrifugal sand device processed of feed back | |
| CN110465382A (en) | From sorting type planetary ball mill | |
| CN204602325U (en) | A kind of large-size ball mill | |
| CN202590893U (en) | Ball mill | |
| CN207238219U (en) | A kind of vertical material pearl separator without mechanical sealing medium Ball-stirring mill | |
| CN210386143U (en) | Sand making machine | |
| CN205815834U (en) | A kind of chain type ball mill | |
| CN209109284U (en) | The ball mill of axial force can be generated | |
| CN211538003U (en) | Grinding machine with high grinding capacity | |
| CN105032589A (en) | Automatic feeding system of grinding mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130918 Termination date: 20201231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |