CN101700504B - Horizontal grinding mill with built-in classifying turbine - Google Patents
Horizontal grinding mill with built-in classifying turbine Download PDFInfo
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- CN101700504B CN101700504B CN 200910272347 CN200910272347A CN101700504B CN 101700504 B CN101700504 B CN 101700504B CN 200910272347 CN200910272347 CN 200910272347 CN 200910272347 A CN200910272347 A CN 200910272347A CN 101700504 B CN101700504 B CN 101700504B
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- 238000000227 grinding Methods 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000005296 abrasive Methods 0.000 claims description 39
- 210000004907 Glands Anatomy 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000003247 decreasing Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004579 marble Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000037250 Clearance Effects 0.000 abstract 1
- 230000035512 clearance Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 19
- 238000010494 dissociation reaction Methods 0.000 description 6
- 230000005593 dissociations Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 210000004279 Orbit Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
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Abstract
The invention relates to a horizontal grinding mill with built-in classifying turbine, the technical solution of which is that a grinding chamber [18] is filled with grinding medium [6], a medium discharging valve [20] is installed on the middle of the bottom of a cylinder [7], a feeding pipe [10] is above a right end cover [9] of the grinding chamber [18] and a medium discharging pipe [2] is concentrically communicated with the grinding chamber [18] by a left end cover [3]. The length of the cylinder [7] is 1.5 to 2.5 times of the diameter thereof. A fairing [4] is fixedly installed on the left end cover [3] of the grinding chamber [18]. A classifying turbine [5] is vertically installed on the left end of a spindle [13]. A clearance between the classifying turbine [5] and the left end cover [3] is 5mm to 10mm. Five to eight mixing turbines [8] are vertically installed on the spindle [13]. The distance between the mixing turbines [8] decreases gradually from left to right and the right distance is 0.9 to 0.95 times of the left distance. The right end of the spindle [13] is connected with a driving mechanism by the right end cover [9] and a sealing device [11]. The invention has low starting power and can grind and classify with a function of selectively grinding.
Description
Technical field
The invention belongs to the grinding attachment technical field.Be specifically related to a kind of horizontal grinding mill that has built-in classifying turbine.
Background technology
Monomer dissociation is the prerequisite that valuable mineral separates with gangue mineral, and the monomer dissociation of mineral is by impact, the mill stripping realization of ore mill through abrasive media, and it is a process that granularity attenuates.Mineral separation process comprises methods such as flotation, magnetic separation, gravity treatment, electric separation, and the ore that gets into detached job is had two kinds of granularity requirements, and first degree of dissociation is qualified, and this material that just requires to get into separation is less than a certain granularity; It two is to avoid producing less than the fine grained of crossing that separates lower limit as far as possible, although this to cross the fine grained degree of dissociation qualified, can't produce difference down at the environment that separates, so that can't obtain accurate separation, and to detached job generation ten minutes ill effect.Traditional ore grinding can satisfy the qualified requirement of degree of dissociation, but is difficult to satisfy second requirement, especially microfine ore grinding, and the probability that indissociable grade produces is very high.Therefore how to realize that the different ore grindings that hit, grind the stripping probability of thickness particle become a research topic that practical significance is great.
The medium of traditional ball mill is identical with the probability of thickness ore particles bump, collision; Therefore ore grinding is that not only coarse grained ore particles is pulverized, and fine grain ore is pulverized too, no matter whether fine grain granularity has reached the requirement of degree of dissociation; Solution commonly used is that ball mill and classifying equipoment formation are closed circuit; Shorten the time of staying of ore particles in grinding machine, classified after, the particle that granularity is qualified leaves grinding operation; Underproof coarse granule still turns back in the grinding machine; This technology has alleviated the generation of crossing crushing phenomenon to a certain extent, but basic variation does not take place the thickness particle mechanism that equiprobability is pulverized in grinding machine, and crossing the phenomenon of pulverizing does not still have radical change.Compare with ball mill, change has been given birth in vertical agitator mill ore mill haircut, because the difference of the end speed that sinks; Grinding chamber bottom ore grain size is thicker, and this regional abrasive power also strengthens, and has realized different abrasive power mill stripping thickness particles in a way; Cross crushing phenomenon and alleviate to some extent, its ore discharge is the free style ore discharge, especially peripheral ore discharge; Coarse granule is discharged grinding machine by action of centrifugal force, and on the other hand, vertical grinder is owing to be difficult to start the maximization that has limited it.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, the horizontal grinding mill that has built-in classifying turbine that provide that a kind of starting power is little, ore grinding and classification are integrated, has the selective milling function.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: the mounting center line of grinding chamber is a level, and the inner surface of grinding chamber all is lined with high-abrasive material, and abrasive media is housed in the grinding chamber; The media discharge valve is installed in the middle of the cylindrical shell bottom, the discharging of abrasive media when being used to keep in repair.Mineral-feeding pipe is positioned at the right end cap top of grinding chamber, and the ore discharge pipe communicates with grinding chamber through left end cap concentrically, and the ore discharge valve is installed on the ore discharge pipe.Cylindrical shell is placed in orbit through 4 carriages and carrying roller thereof, and the length of cylindrical shell is 1.5～2.5 times of its diameter; Be installed with radome fairing on the left end cap of grinding chamber.
Spindle centerline and cylindrical shell central lines, the classifying turbine vertical fixing is installed in the left end of main shaft, and left locking nut pretension classifying turbine does not produce it and endwisely slips.Classifying turbine is 5～10mm apart from the gap of left end cap.5～8 agitator arm vertical fixing are installed on the main shaft; Distance between the agitator arm is from left to right successively decreased successively; Space on right is 0.9～0.95 times of left spacing, and the location axle sleeve is housed on the main shaft between the agitator arm, and the right-hand member of main shaft connects with transmission mechanism through right end cap and sealing device.
Described abrasive media is a kind of in the high alumina ceramic ball, natural crystal, river sand of glass marble, the standard of steel ball, the standard of standard, and the diameter of abrasive media is 1.5～7mm; The packing volume of abrasive media is 1/2～3/4 of a cylindrical shell volume.
Described radome fairing is the cylindrical shape of end sealing, has 12～120 sieve apertures on the columnar barrel equably, the shape of sieve aperture or be circular or be rectangle that the hole gross area of sieve aperture is greater than 1/2 of this barrel area; Radome fairing is screwed the inboard at left end cap through screw.
Described classifying turbine constitutes an integral body by dull and stereotyped and trapezoid boss, and dull and stereotyped has 6～10 mounting holes near the center, and dull and stereotyped periphery is provided with 6～10 trapezoid boss.
Described sealing device is made up of decompression dish, sealing impeller, outer gland, sealing shroud and sleeve pipe.The material of decompression dish and sealing impeller is a rubber, and the outer face of right end cap is close in the side of decompression dish, and the perimeter of the another side of decompression dish is close to outer gland.The sealing impeller is positioned at outer gland, and the interior circle that the sealing impeller passes the decompression dish is installed on the main shaft movingly, and the sealing impeller of rotation produces back pressure the space between main shaft and the right end cap is produced first order sealing function together.Sleeve pipe and right end cap that outer gland passes on the main shaft are fixedly connected, and sealing shroud is installed between outer gland and the sleeve pipe, play second level sealing function; Right locking nut pretension sleeve pipe and sealing impeller.
The outside diameter of described agitator arm is 0.8～0.9 times of cylinder internal diameter, and the mounting distance between the agitator arm is 0.3～1 times of impeller diameter, is connected with key between agitator arm and the main shaft; The inner ring of agitator arm and outer ring have inner ring mounting hole and outer ring mounting hole respectively equably; The outer ring mounting hole is 4～6, and size is identical, and the inner ring mounting hole is 6～8, and size is identical.
Described grinding chamber is made up of cylindrical shell, left end cap and right end cap, cylindrical shell or be an integral barrel or be that two semicircular cylinders constitute that the both sides fixing seal of cylindrical shell is equipped with left end cap and right end cap.
Owing to adopt technique scheme; This device drives the agitator arm rotation by the transmission mechanism driving main shaft; Abrasive media produces motion under the brute force of agitator arm stirs, the place that radius is big more, and the linear velocity of abrasive media is high more; From the near more place of agitator arm, the active degree of abrasive media is big more.Ore pulp feeds from the mineral-feeding pipe of side top, gets into grinding chamber, has formed a plurality of little grinding chamber of UNICOM between the agitator arm.Particle obtains pulverizing under the collision of the abrasive media of high-speed motion and abrasive action; The particle that obtains pulverizing moves to the left side from the inner ring mounting hole of agitator arm successively; When arriving classifying turbine, coarse granule moves to cylinder inboard wall under action of centrifugal force, turns back to the little grinding chamber on the right; Likewise, under action of centrifugal force, get near the abrasive media of classifying turbine and also can move, turn back to the little grinding chamber on the right to cylinder inboard wall.Fine grained passes the perimeter of the mounting hole entering radome fairing on the classifying turbine, changes direction and gets into the ore discharge district from the sieve aperture on the radome fairing, discharges through ore discharge pipe and ore discharge valve.
The present invention compared with prior art has following outstanding characteristics:
1) abrasive media is not directly to be shelved on the agitator arm, only need overcome the frictional resistance that the abrasive media lateral pressure produces agitator arm during startup, so starting power is little;
2) ore grinding and classification are accomplished in a cavity, have realized that ore grinding and classification are integrated, and the particle that granularity is qualified is in time separated, and have effectively avoided the inevitable crushing phenomenon of crossing of other grinding attachment to produce, and have obvious selectivity ore grinding function;
3) a plurality of agitator arms not equidistance arrange, the distance between the agitator arm on the right is little, has improved the active degree of grinding chamber right-hand member ball, makes that the active degree of all abrasive medias of grinding chamber is similar, has increased oarse-grained crush efficiency of entering grinding chamber initial stage;
4) classifying turbine has not only played the effect that separates qualified particle, and the abrasive media that will get into graded region simultaneously turns back to milling zone, and abrasive media gets into the phenomenon generation in ore discharge district when having prevented not have classifying turbine;
5) radome fairing is set, has prevented that coarse granule from getting into the short circuit phenomenon generation in ore discharge district;
6) floor space with take up room much smaller than ball mill.
This equipment is mainly used in secondary grinding and the three sections ore grindings and the operation of regrinding, and the maximum particle size of feed is 0.2mm, and the particle mean size of product may diminish to several microns.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 looks sketch map for the master of agitator arm 8 among Fig. 1;
Fig. 3 looks sketch map for the master of classifying turbine 5 among Fig. 1;
Fig. 4 is the cross-sectional schematic of Fig. 3;
Fig. 5 is the cross-sectional schematic of radome fairing 4 among Fig. 1;
Fig. 6 is the local enlarged diagram of sealing device 11 among Fig. 1;
Fig. 7 is that enlarged diagram is overlooked in the part of Fig. 5.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention being done further description, is not the restriction to protection domain of the present invention:
Embodiment 1
A kind of horizontal grinding mill that has built-in classifying turbine.Its structure is as shown in Figure 1: the mounting center line of grinding chamber 18 is a level, and the inner surface of grinding chamber 18 all is lined with high-abrasive material, and abrasive media 6 is housed in the grinding chamber 18, and media discharge valve 20 is installed in the middle of cylindrical shell 7 bottoms, the discharging of abrasive media when being used to keep in repair.Mineral-feeding pipe 10 is positioned at right end cap 9 tops of grinding chamber 18, and ore discharge pipe 2 communicates with grinding chamber 18 through left end cap 3 concentrically, and ore discharge valve 1 is installed on the ore discharge pipe 2.Cylindrical shell 7 is placed on the track 17 through 4 carriages 15 and carrying roller 16 thereof, and the length of cylindrical shell 7 is 1.5～2.0 times of its diameter; Be installed with radome fairing 4 on the left end cap 3 of grinding chamber 18.
Main shaft 13 center lines and cylindrical shell 7 central lines, classifying turbine 5 vertical fixing are installed in the left end of main shaft 13, and left locking nut pretension classifying turbine does not produce it and endwisely slips.Classifying turbine 5 is 5～10mm apart from the gap of left end cap 3; 5 agitator arm 8 vertical fixing are installed on the main shaft 13; Distance between the agitator arm 8 is from left to right successively decreased successively; Space on right is 0.9～0.95 times of left spacing, and location axle sleeve 14 is housed on the main shaft 13 between the agitator arm 8, and the right-hand member of main shaft 13 connects with transmission mechanism through right end cap 9 and sealing device 11.In present embodiment 1:
Abrasive media 6 is the steel ball of standard, and its diameter is 1.5～7mm; The packing volume of the steel ball of standard is 1/2～2/3 of cylindrical shell 7 volumes.
Radome fairing 4 is like Fig. 5, shown in Figure 7, is the cylindrical shape of end sealing, has 12～60 sieve apertures 26 on the columnar barrel equably, the shape of sieve aperture 26 or be circular or be rectangle that the hole gross area of sieve aperture 26 is greater than 1/2 of this barrel area.Radome fairing 4 is screwed the inboard at left end cap 3 through screw.
Classifying turbine 5 is like Fig. 3, shown in Figure 4, constitutes an integral body by dull and stereotyped 25 with trapezoid boss 24, dull and stereotyped 25 have 8 mounting holes 23 near the center, dull and stereotyped 25 periphery is provided with 8 trapezoid boss 24.
Sealing device 11 is as shown in Figure 6, is made up of decompression dish 27, sealing impeller 28, outer gland 29, sealing shroud 30 and sleeve pipe 31, and decompression dish 27 is a rubber with the material of sealing impeller 28.
The outer face of right end cap 9 is close in the side of decompression dish 27; The perimeter of the another side of decompression dish 27 is close to outer gland 29; The interior circle that sealing impeller 28 passes decompression dish 27 is installed on the main shaft 13 movingly; Sealing impeller 28 is positioned at outer gland 29, and the sealing impeller 28 of rotation together produces back pressure the space between main shaft 13 and the right end cap 9 is produced first order sealing function.The sleeve pipe 31 that outer gland 29 passes on the main shaft 13 is fixedly connected with right end cap 9, and sealing shroud 30 is installed between outer gland 29 and the sleeve pipe 31, plays second level sealing function; Right locking nut 12 pretension sleeve pipes 31 and sealing impeller 28.
Agitator arm 8 outside diameters are 0.8～0.9 times of cylindrical shell 7 internal diameters, and the mounting distance between the agitator arm 8 is 0.3～1 times of impeller diameter, are connected with key between agitator arm 8 and the main shaft 13.Agitator arm 8 is as shown in Figure 2, and inner ring and outer ring have inner ring mounting hole 22 and outer ring mounting hole 21 respectively equably, and outer ring mounting hole 21 is 4, and size is identical, and inner ring mounting hole 22 is 6, and size is identical.
Described grinding chamber 18 is made up of cylindrical shell 7, left end cap 3 and right end cap 9, and cylindrical shell 7 is an integral barrel, and the both sides fixing seal of cylindrical shell 7 is equipped with left end cap 3 and right end cap 9.
Embodiment 2
A kind of horizontal grinding mill that has built-in classifying turbine.The length of cylindrical shell 7 is 2.0～2.5 times of its diameter; The agitator arm 8 that is installed on the main shaft 13 is 6～8; Abrasive media 6 is a kind of in the high alumina ceramic ball, natural crystal, river sand of glass marble, the standard of standard, and the packing volume of abrasive media 6 is 2/3～3/4 of cylindrical shell 7 volumes; Have 60～120 sieve apertures 26 on the columnar barrel of radome fairing 4 equably; The flat board 25 of classifying turbine 5 have 6～7 or 9～10 mounting holes 23 near the center, dull and stereotyped 25 periphery is provided with 6～7 or 9～10 trapezoid boss 24; The outer ring mounting hole 21 of agitator arm 8 is 5～6, and size is identical, and inner ring mounting hole 22 is 7～8, and size is identical; Cylindrical shell 7 is that two semicircular cylinders constitute.
All the other are with embodiment 1.
This specific embodiment drives agitator arm 8 rotations by transmission mechanism driving main shaft 13; Abrasive media 6 produces motion under the brute force of agitator arm 8 stirs, the place that radius is big more, and the linear velocity of abrasive media 6 is high more; From the near more place of agitator arm 8, the active degree of abrasive media 6 is big more.Ore pulp feeds from the mineral-feeding pipe 10 of side top, gets into grinding chamber 18, has formed a plurality of little grinding chamber of UNICOM between the agitator arm 8.Particle obtains pulverizing under the collision of the abrasive media 6 of high-speed motion and abrasive action; The particle that obtains pulverizing moves to the left side from the inner ring mounting hole 22 of agitator arm 8 successively; When arriving classifying turbine 5; Coarse granule under action of centrifugal force in cylindrical shell 7 move, turn back to the right little grinding chamber; Likewise, under action of centrifugal force, get near classifying turbine 5 abrasive medias 6 and also can turn back to the little grinding chamber on the right to the motion of cylindrical shell 7 inwalls.Fine grained passes the perimeter of the mounting hole 23 entering radome fairings 4 on the classifying turbine 5, changes direction and gets into the ore discharge districts from the sieve aperture 26 on the radome fairing 4, discharges through ore discharge pipe 2 and ore discharge valve 1.
This specific embodiment compared with prior art has following outstanding characteristics:
1) abrasive media 6 is not directly to be shelved on the agitator arm 8, only need overcome the frictional resistance that abrasive media 6 lateral pressures produce agitator arm 8 during startup, so starting power is little;
2) ore grinding and classification are accomplished in a cavity, have realized that ore grinding and classification are integrated, and the particle that granularity is qualified is in time separated, and have effectively avoided the inevitable crushing phenomenon of crossing of other grinding attachment to produce, and have obvious selectivity ore grinding function;
3) not equidistance arrangement of a plurality of agitator arms 8; Distance between the agitator arm 8 on the right is little; Improve the active degree of grinding chamber 18 right-hand member balls, made that the active degree of all abrasive medias 6 of grinding chamber 18 is similar, increased oarse-grained crush efficiency of 18 initial stages of entering grinding chamber;
4) classifying turbine 5 has not only played the effect that separates qualified particle, and the abrasive media 6 that will get into graded region simultaneously turns back to milling zone, and abrasive media gets into the phenomenon generation in ore discharge district when having prevented not have classifying turbine 5;
5) radome fairing 4 is set, has prevented that coarse granule from getting into the short circuit phenomenon generation in ore discharge district;
6) floor space with take up room much smaller than ball mill.
This equipment is mainly used in secondary grinding and the three sections ore grindings and the operation of regrinding, and the maximum particle size of feed is 0.2mm, and the particle mean size of product may diminish to several microns.
Claims (8)
1. horizontal grinding mill that has built-in classifying turbine; The mounting center line that it is characterized in that grinding chamber [18] is a level, and the inner surface of grinding chamber [18] all is lined with high-abrasive material, and abrasive media [6] is housed in the grinding chamber [18]; Media discharge valve [20] is installed in the middle of cylindrical shell [7] bottom; Mineral-feeding pipe [10] is positioned at right end cap [9] top of grinding chamber [18], and through left end cap [3], ore discharge pipe [2] communicates with grinding chamber [18] ore discharge pipe [2] concentrically; Cylindrical shell [7] is placed on the track [17] through 4 carriages [15] and carrying roller [16] thereof, and the length of cylindrical shell [7] is 1.5～2.5 times of its diameter; Be installed with radome fairing [4] on the left end cap [3] of grinding chamber [18];
Main shaft [13] center line and cylindrical shell [7] central lines; Classifying turbine [5] vertical fixing is installed in the left end of main shaft [13]; Classifying turbine [5] is 5～10mm apart from the gap of left end cap [3]; 5～8 agitator arms [8] vertical fixing is installed on the main shaft [13], and the distance between the agitator arm [8] is from left to right successively decreased successively, and space on right is 0.9～0.95 times of adjacent left spacing; Location axle sleeve [14] is housed on the main shaft [13] between the agitator arm [8], and the right-hand member of main shaft [13] connects with transmission mechanism through right end cap [9] and sealing device [11].
2. the horizontal grinding mill that has built-in classifying turbine according to claim 1; It is characterized in that a kind of in the high alumina ceramic ball of the glass marble of the steel ball of standard, standard, standard, natural crystal, the river sand of described abrasive media [6], the diameter of abrasive media [6] is 1.5～7mm; The packing volume of abrasive media [6] is 1/2～3/4 of cylindrical shell [a 7] volume.
3. the horizontal grinding mill that has built-in classifying turbine according to claim 1; It is characterized in that described radome fairing [4] is the cylindrical shape of end sealing; Have 12～120 sieve apertures [26] on the barrel equably; The shape of sieve aperture [26] or be circular or be rectangle that the hole gross area of sieve aperture [26] is greater than 1/2 of barrel area.
4. the horizontal grinding mill that has built-in classifying turbine according to claim 1 is characterized in that being equipped with on the described ore discharge pipe [2] ore discharge valve [1].
5. the horizontal grinding mill that has built-in classifying turbine according to claim 1; It is characterized in that described classifying turbine [5] constitutes an integral body by dull and stereotyped [25] and trapezoid boss [24]; Dull and stereotyped [25] have 6～10 mounting holes [23] near the center, the periphery of dull and stereotyped [25] is provided with 6～10 trapezoid boss [24].
6. the horizontal grinding mill that has built-in classifying turbine according to claim 1; It is characterized in that described sealing device [11] is made up of with sleeve pipe [31] decompression dish [27], sealing impeller [28], outer gland [29], sealing shroud [30], decompression dish [27] and the material that seals impeller [28] are rubber;
The outer face of right end cap [9] is close in the side of decompression dish [27]; The perimeter of the another side of decompression dish [27] is close to outer gland [29]; The interior circle that sealing impeller [28] passes decompression dish [27] is installed on the main shaft [13] movingly; Sealing impeller [28] is positioned at outer gland [29]; The sleeve pipe [31] that outer gland [29] passes on the main shaft [13] is fixedly connected with right end cap [9], and sealing shroud [30] is installed between outer gland [29] and the sleeve pipe [31], right locking nut [12] pretension sleeve pipe [31] and sealing impeller [28].
7. the horizontal grinding mill that has built-in classifying turbine according to claim 1; The outside diameter that it is characterized in that described agitator arm [8] is 0.8～0.9 times of cylindrical shell [7] internal diameter, and [mounting distance between 81 is 0.3～1 times of impeller diameter to agitator arm; The inner ring of agitator arm [8] and outer ring have inner ring mounting hole [22] and outer ring mounting hole [21] respectively equably, and outer ring mounting hole [21] is 4～6, and size is identical, and inner ring mounting hole [22] is 6～8, and size is identical.
8. the horizontal grinding mill that has built-in classifying turbine according to claim 1; It is characterized in that described grinding chamber [18] is made up of cylindrical shell [7], left end cap [3] and right end cap [9]; Cylindrical shell [7] or be an integral barrel or be that two semicircular cylinders constitute that the both sides fixing seal of cylindrical shell [7] is equipped with left end cap [3] and right end cap [9].
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| CN 200910272347 CN101700504B (en) | 2009-09-29 | 2009-09-29 | Horizontal grinding mill with built-in classifying turbine |
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| CN 200910272347 CN101700504B (en) | 2009-09-29 | 2009-09-29 | Horizontal grinding mill with built-in classifying turbine |
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| CN101700504B true CN101700504B (en) | 2012-11-28 |
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| CN2051135U (en) * | 1989-05-10 | 1990-01-17 | 诸暨磁性材料厂 | Wet continuous type ball mill |
| CN2284647Y (en) * | 1997-05-21 | 1998-06-24 | 马克武 | Superfine cement mill |
| CN2787304Y (en) * | 2003-07-14 | 2006-06-14 | 吴绵祺 | Highly effective energy-saving grinding machine capable of controlling cement granule makeup |
| CN201231163Y (en) * | 2007-03-15 | 2009-05-06 | 耐驰粉磨技术有限责任公司 | Stirring-up type ball mill |
| CN101143344A (en) * | 2007-09-10 | 2008-03-19 | 潍坊市精华粉体工程设备有限公司 | Internal grading ball mill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579917A (en) * | 2018-05-07 | 2018-09-28 | 浙江艾领创矿业科技有限公司 | A kind of energy-efficient grinding technics |
| CN108579917B (en) * | 2018-05-07 | 2021-08-06 | 浙江艾领创矿业科技有限公司 | Mineral grinding process |
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| CN101700504A (en) | 2010-05-05 |
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