CN202962567U - Multilayer vertical miller - Google Patents
Multilayer vertical miller Download PDFInfo
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- CN202962567U CN202962567U CN 201220658237 CN201220658237U CN202962567U CN 202962567 U CN202962567 U CN 202962567U CN 201220658237 CN201220658237 CN 201220658237 CN 201220658237 U CN201220658237 U CN 201220658237U CN 202962567 U CN202962567 U CN 202962567U
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- multilayer vertical
- grinding
- vertical grinder
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- casing
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- 238000000227 grinding Methods 0.000 claims description 91
- 239000000463 material Substances 0.000 claims description 70
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
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- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
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- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000010494 dissociation reaction Methods 0.000 description 1
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- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a multilayer vertical miller which comprises a material-feeding and air-sucking device, wherein the material-feeding and air-sucking device is connected to a protection barrel through a bolt; a protection barrel lining plate (18) is assembled on the inner wall of the protection barrel; the protection barrel is fixed on a base through the bolt; a milling layer is arranged in the protection barrel; a product collecting device is arranged below the milling layer; and an external spiral conveying device is connected below the product collecting device. According to the multilayer vertical miller, the granularity range of a finished product is wide, and the particle diameter above 30 meshes can be adjusted arbitrarily and can reach up to more than 2500 meshes; the yield is high, and the yield of the multilayer vertical miller is improved by 4 to 8 times that that of other millers under the same condition; the whole milling process is totally carried out under a negative pressure condition, so that the sealing performance is good; the whole production process is in a closed cycling state, so that the discharging of dust and waste gas is avoided; and the rotating speed can be regulated arbitrarily, so that the product fineness can be adjusted arbitrarily, and compared with other millers, the multilayer vertical miller has the advantages that the miller regulating time and the miller regulating process are omitted. Therefore, the miller regulating link in the production process is reduced.
Description
Technical field
The utility model relates to a kind of industrial mill, be specially a kind of can be mainly to Mohs' hardness below 9.3 grades and compression strength carry out the multilayer vertical grinder of abrasive dust processing with interior non-inflammable and explosive material in 450 MPas.
Background technology
Grinding machine can be divided into ball mill, column mill, rod mill according to the difference of milling medium and grinding material, tube mill, and autogenous tumbling mill revolves mortar formula roller mill etc.Generally adopt intermittent ball mill in Ceramic production, adopt wet production, its abrasive action can be divided into two parts, and the one, between abrasive body and the abrasive action between abrasive body and cylindrical shell, the 2nd, the percussion when abrasive body falls will be from this two aspects in order to improve grinding efficiency." how broken few mill " technology and the technique of metallic ore are topics of having carried a lot of years, reduce the mill feed size of ball mill, increase by one section pre-grinding or ultrafine grinding technique before ball mill, are the energy-saving and cost-reducing important technology innovations of bargh.The research of grinding machine comminution technique is one of emphasis in the Mineral Processing Engineering technology.Comminution technique is to utilize energy that ore is pushed, impacts and grinds by grinding machine, makes valuable mineral monomer dissociation in ore, is beneficial to the process that the next stage sorts.
The most function singleness of existing grinding machine, and yield poorly, power consumption is large, the wearing piece service efficiency is low, waste is many.And applicable single mineral, the scope of application is narrower, and can discharge a large amount of dust and waste gas in the process of grinding, and the fineness of the rotating speed of grinding machine and product can be dispatched very little.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of output high, the appropriate products scope is wide, and process of lapping is without dust, toxic emission, the wearing piece utilization rate is high, power consumption is few under equal conditions, and the novel multi-layer vertical grinder that can adjust arbitrarily of rotating speed and product fineness.
The purpose of this utility model is achieved in that
The multilayer vertical grinder, comprise charging and inlet duct 1, charging and inlet duct 1 are bolted on casing 4, casing 4 inwalls are equipped with casing liner plate 18, it is characterized in that: casing 4 is bolted on base 8, be provided with grinding layer in casing 4, grinding layer below is provided with collecting materials device 12, and collecting materials device 12 belows are connected with external helix transporting device 17;
Described grinding layer comprises elementary grinding layer 27, is positioned at the second grinding layer 28 of elementary grinding layer 27 belows; According to our user's needs can increase successively the 3rd layer, the 4th layer,, can be the multilayer of trapezoidal pagoda shape according to the material of processing.
Described collecting materials device 12 is placed in device bottom, is connected with the base 8 on upper strata by bolt; Be provided with external fan connector 13 on collecting materials device 12; Base 8 tightens intrinsic bull ring 6;
By bolted, material collecting device air intake valve 23 is arranged on described collecting materials device 12; Collecting materials device 12 inside are fastened with a pot shape tripper 24;
Described grinding layer comprises main shaft 9, and the feeding-distribution device 2 that is connected by key with main shaft 9; Be connected to grinding roller hanger device 3 on main shaft 9 by expansion sleeve;
Described main shaft 9 is equipped with bearing, is fixed on base 8 by bearing, is provided with simultaneously bevel gear wheel 10, the formed transmission device 7 of the bevel pinion 11 that coordinates with bevel gear wheel 10;
Described grinding roller hanger device 3 is connected with turning arm 16 by rotary pin shaft 14, is fixed with grinding roller assembly 5 on turning arm 16; Rotary pin shaft 14 is mounted with steel ball 15 up and down;
Described external fan connector 13 1 ends are connected with collecting materials device 12, be suspended in collecting materials device 12 with pot shape tripper 24 middles, bottom and reserve certain distance, the other end connects external fan, external fan connects external powder collector, pipe flange on external powder collector is connected with described external powder collector adpting flange 25 by bolt, forms closed circuit circulatory system;
Described charging and inlet duct 1 are connected with mill larynx air intake valve 20 by bolt; Casing 4 has been bolted elementary grinding layer air intake valve 21 and the second grinding layer air intake valve 22;
Be provided with on described grinding roller assembly 5 and force distributing device 26, force distributing device 26 to move with 5 one directions of grinding roller assembly, force distributing device 26 self not rotate.
Positive beneficial effect:1, the utility model product grading scope is wide, and particle diameter can be more than adjusting arbitrarily, reach as high as 2500 orders more than 30 orders;
2, output is high, under equal conditions than being that other grinding machine improves 4-8 doubly;
3, whole process of lapping is all under condition of negative pressure, good seal performance; Whole production process closed cycle is without dust, non-exhaust emission;
4, rotating speed can be regulated arbitrarily, thus product fineness can regulate arbitrarily, so compare with other grinding machine do not had the adjustment of machine time and process to reduce to produce in the adjustment link of machine;
So 5 with the input and output material mode that structure and processing materials had been compared, changed to other grinding machine be more convenient for maintenance, discharging-material size can be regulated arbitrarily and fineness is higher.
6, this equipment can be processed various non-metallic ores and part metals.
7, the alternative existing grinding machine of this equipment and powder process machine.
Description of drawings
Fig. 1 is structural representation of the present utility model:
in figure be: charging and inlet duct 1, feeding-distribution device 2, grinding roller hanger device 3, casing 4, grinding roller assembly 5, bull ring 6, transmission device 7, base 8, main shaft 9, bevel gear wheel 10, bevel pinion 11, collecting materials device 12, external fan connector 13, rotary pin shaft 14, steel ball 15, turning arm 16, external helix transporting device 17, casing liner plate 18, expansion sleeve 19, mill larynx air intake valve 20, elementary grinding layer air intake valve 21, the second grinding layer air intake valve 22, material collecting device air intake valve 23, pot shape tripper 24, external powder collector adpting flange 25, force distributing device 26, elementary grinding layer 27, the second grinding layer 28.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, the multilayer vertical grinder, comprise charging and inlet duct 1, charging and inlet duct 1 are bolted on casing 4, casing 4 inwalls are equipped with casing liner plate 18, it is characterized in that: casing 4 is bolted on base 8, is provided with grinding layer in casing 4, grinding layer below is provided with collecting materials device 12, and collecting materials device 12 belows are connected with external helix transporting device 17;
Described grinding layer comprises elementary grinding layer 27, is positioned at the second grinding layer 28 of elementary grinding layer 27 belows;
Described collecting materials device 12 is placed in device bottom, is connected with the base 8 on upper strata by bolt; Be provided with external fan connector 13 on collecting materials device 12; Base 8 tightens intrinsic bull ring 6;
By bolted, material collecting device air intake valve 23 is arranged on described collecting materials device 12; Collecting materials device 12 inside are fastened with a pot shape tripper 24;
Described grinding layer comprises main shaft 9, and the feeding-distribution device 2 that is connected by key with main shaft 9; Be connected to grinding roller hanger device 3 on main shaft 9 by expansion sleeve;
Described main shaft 9 is equipped with bearing, is fixed on base 8 by bearing, is provided with simultaneously bevel gear wheel 10, the formed transmission device 7 of the bevel pinion 11 that coordinates with bevel gear wheel 10;
Described grinding roller hanger device 3 is connected with turning arm 16 by rotary pin shaft 14, is fixed with grinding roller assembly 5 on turning arm 16; Rotary pin shaft 14 is mounted with steel ball 15 up and down;
Described external fan connector 13 1 ends are connected with collecting materials device 12, be suspended in collecting materials device 12 with pot shape tripper 24 middles, bottom and reserve certain distance, the other end connects external fan, external fan connects external powder collector, pipe flange on external powder collector is connected with described external powder collector adpting flange 25 by bolt, forms closed circuit circulatory system;
Described charging and inlet duct 1 are connected with mill larynx air intake valve 20 by bolt; Casing 4 has been bolted elementary grinding layer air intake valve 21 and the second grinding layer air intake valve 22;
Be provided with on described grinding roller assembly 5 and force distributing device 26, force distributing device 26 to move with 5 one directions of grinding roller assembly, force distributing device 26 self not rotate.
Operation principle: the utility model analytical equipment, be that powder collector is external device, form closed cycle with main frame, the kind of drive adopts external variable-frequency motor, drives 5 rotations of grinding roller assembly by bevel pinion 11, bevel gear wheel 10, main shaft 9, grinding roller hanger device 3, material is sent into charging to material through external feeding machine and inlet duct 1 namely grinds in larynx at external feed bin, feeding-distribution device 2 through rotation is distributed in surrounding to material, fall along casing 4 inwalls, be scattering into the upper surface of base 8 and bull ring 6.After forming certain accumulation horizon, be equipped with on grinding roller assembly 5 and force distributing device 26, make material flow into roller surface and the middle self-assembling formation grinding layer of bull ring 6 of grinding roller assembly 5 bottoms, also can remove and force distributing device automatically to flow into by material; Material grinds for free fall type in grinding layer.Fall into the feeding-distribution device 2 of bottom the second grinding layer 28 after material grinds, grind again at the second layer.Then drop on the pot type tripper 24 on collecting materials device 12 tops, on pot type tripper 24, material porose, that at this moment ground falls into the inside of collecting materials device 12 by the aperture on pot type tripper 24, at this moment external fan connector 13 by external fan with the finished product materials sucking-off, make the wind speed and pressure in pipe reach requirement according to the fineness regulation external fan rotating speed of required product, install by analysis finished product is reclaimed, warehouse entry in bulk, the warehouse-in of pack.Do not meet the requirements of material drop to the bottom then be transported to outside bucket elevator through external helix transporting device 17, through elevator, material lifting is arrived external feed bin, material comes back to external feed bin, again send into charging and inlet duct 1 is distributed in surrounding to material through feeding-distribution device 2 through external feeding machine, form like this a closed cycle until become qualified products.
The granularity of required material and output can be ground the size that larynx air intake valve 20, elementary grinding layer air intake valve 21, the second grinding layer air intake valve 22, material collecting device air intake valve 23 are regulated every layer of intake by control, control the falling speed of material, control product yield and fineness.When (21) on grinding machine (22) 23 were closed, the air quantity of bottom 13 did not subtract, at this moment the inner downward air-flow of mill chamber increases, and the material falling speed is accelerated, and can improve output, and the product granularity that grinds out is relatively thick, output improves.On the contrary, when all opening, in mill chamber, downdraught weakens relatively when (20) (21) (22) (23), and material is free-falling in grinding layer, has extended milling time, improves product fineness.External fan is sent material into external powder collector by external fan connector (13) and is reclaimed product; When material moisture is large this time grind that the process of lapping of form and dry powder is the same, the external fan connector only plays the decrease speed of regulating material in mill chamber, the whole material that was polished after external helix transporting device is delivered to external slush pump (perhaps elevator) and is sent into other (being for example that this miscellaneous equipment of iron ore might be magnetic separator) processing, underproof material enters circular grinding in mill chamber again.
That installs due to main frame is variable-frequency motor, can pass through the regulating electric machine frequency, change engine speed, thereby the adjusting material reaches the required product granularity at the grinding number of times of grinding layer.
The grinding roller employing patent No. is 201220079987.7 grinding roller assembly.
This equipment characteristic of the utility model is: 1, agent structure is the up-down structure mode, is designed to successively elementary grinding layer, secondary grinding layer, three grades of grinding layers ... by that analogy, each grinding layer is independent integral body, can arbitrarily exchange combination; 2, different with the required product granularity due to material structure, output is different; So the grinding layer diameter can be designed to coordinate and the different-diameter multilayer cooperation of mode up and down with the diameter multilayer; Equipment appearance has cylinder-like structure and scalariform pyramid-like structure; So more can improve product fineness; 3, in addition according to the user to the demand of output, determine the bull ring diameter; Every layer can require to determine grinding roller quantity and bull ring height to fineness of materials according to grinding ring diameter and user; Determine the grinding roller quality according to material hardness.
1, the utility model product grading scope is wide, and particle diameter can be more than adjusting arbitrarily, reach as high as 2500 orders more than 30 orders;
2, output is high, under equal conditions than being that other grinding machine improves 4-8 doubly;
3, whole process of lapping is all under condition of negative pressure, good seal performance; Whole production process closed cycle is without dust, non-exhaust emission;
4, rotating speed can be regulated arbitrarily, thus product fineness can regulate arbitrarily, so compare with other grinding machine do not had the adjustment of machine time and process to reduce to produce in the adjustment link of machine;
So 5 with the input and output material mode that structure and processing materials had been compared, changed to other grinding machine be more convenient for maintenance, discharging-material size can be regulated arbitrarily and fineness is higher.
6, this equipment can be processed various non-metallic ores and part metals.
7, the alternative existing grinding machine of this equipment and powder process machine.
The machine is mainly carried out abrasive dust processing in 450 MPas with interior non-inflammable and explosive material with compression strength to Mohs' hardness below 9.3 grades.But be widely used in the various materials such as ore, red soil, kaolin, coke, bentonite, basalt, gypsum, graphite, carborundum, insulation material, metallurgical powder such as mineral products processing grinding quartz, feldspar, calcite, talcum, barite, rare earth, marble, grave stone, bauxite, various slag and mine tailing, dolomite, granite, gold, silver, copper, iron, manganese, molybdenum, tin such as metallurgy, building materials, chemical industry, traffic, water conservancy, mine.
Above embodiment only is used for illustrating preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken that described field those of ordinary skill possesses; it any modification of doing within spirit of the present utility model and principle, is equal to and substitutes and improvement etc., within all should be encompassed in the technical scheme scope that the utility model asks for protection.
Claims (10)
1. multilayer vertical grinder, comprise charging and inlet duct (1), charging and inlet duct (1) are bolted on casing (4), casing (4) inwall is equipped with casing liner plate (18), it is characterized in that: casing (4) is bolted on base (8), be provided with grinding layer in casing (4), be provided with collecting materials device (12) below grinding layer, be connected with external helix transporting device (17) below collecting materials device (12).
2. multilayer vertical grinder according to claim 1, it is characterized in that: described grinding layer comprises elementary grinding layer (27), is positioned at second grinding layer (28) of elementary grinding layer (27) below, increasing successively the 3rd layer, the 4th layer, can be the multilayer of trapezoidal pagoda shape according to the material of processing.
3. multilayer vertical grinder according to claim 1, it is characterized in that: described collecting materials device (12) is placed in device bottom, is connected with the base (8) on upper strata by bolt; Be provided with external fan connector (13) on collecting materials device (12); Base (8) tightens intrinsic bull ring (6).
4. multilayer vertical grinder according to claim 1, is characterized in that: by bolted, material collecting device air intake valve (23) is arranged on described collecting materials device (12); Collecting materials device (12) inside is fastened with a pot shape tripper (24).
5. multilayer vertical grinder according to claim 1, it is characterized in that: described grinding layer comprises main shaft (9), and the feeding-distribution device (2) that is connected by key with main shaft (9); Be connected to grinding roller hanger device (3) on main shaft (9) by expansion sleeve.
6. multilayer vertical grinder according to claim 5, it is characterized in that: described main shaft (9) is equipped with bearing, be fixed on base (8) by bearing, be provided with simultaneously bevel gear wheel (10), the formed transmission device of bevel pinion (11) (7) that coordinates with bevel gear wheel (10).
7. multilayer vertical grinder according to claim 5, it is characterized in that: described grinding roller hanger device (3) is connected with turning arm (16) by rotary pin shaft (14), is fixed with grinding roller assembly (5) on turning arm (16); Rotary pin shaft (14) is mounted with steel ball (15) up and down.
8. multilayer vertical grinder according to claim 3, it is characterized in that: described external fan connector (13) one ends are connected with collecting materials device (12), be suspended in collecting materials device (12) with pot shape tripper (24) middle, bottom and reserve certain distance, the other end connects external fan, external fan connects external powder collector, pipe flange on external powder collector is connected with described external powder collector adpting flange (25) by bolt, forms closed circuit circulatory system.
9. multilayer vertical grinder according to claim 1 is characterized in that: described charging and inlet duct (1) are connected with mill larynx air intake valve (20) by bolt; Casing (4) has been bolted elementary grinding layer air intake valve (21) and the second grinding layer air intake valve (22).
10. multilayer vertical grinder according to claim 7, it is characterized in that: be provided with on described grinding roller assembly (5) and force distributing device (26), force distributing device (26) to move with (5) directions of grinding roller assembly, force distributing device (26) self not rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658237 CN202962567U (en) | 2012-12-04 | 2012-12-04 | Multilayer vertical miller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658237 CN202962567U (en) | 2012-12-04 | 2012-12-04 | Multilayer vertical miller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202962567U true CN202962567U (en) | 2013-06-05 |
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ID=48503698
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220658237 Expired - Fee Related CN202962567U (en) | 2012-12-04 | 2012-12-04 | Multilayer vertical miller |
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| Country | Link |
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| CN (1) | CN202962567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962116A (en) * | 2012-12-04 | 2013-03-13 | 王今奇 | Multilayer vertical mill |
| CN110479469A (en) * | 2019-09-09 | 2019-11-22 | 付耀杰 | Cement treated equipment before one kind is stirred for concrete |
| CN112604777A (en) * | 2020-12-14 | 2021-04-06 | 辽宁荣邦科技有限公司 | Superfine powder grinding preparation device and method |
-
2012
- 2012-12-04 CN CN 201220658237 patent/CN202962567U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962116A (en) * | 2012-12-04 | 2013-03-13 | 王今奇 | Multilayer vertical mill |
| CN102962116B (en) * | 2012-12-04 | 2015-12-09 | 相雪 | Multilayer vertical mill |
| CN110479469A (en) * | 2019-09-09 | 2019-11-22 | 付耀杰 | Cement treated equipment before one kind is stirred for concrete |
| CN112604777A (en) * | 2020-12-14 | 2021-04-06 | 辽宁荣邦科技有限公司 | Superfine powder grinding preparation device and method |
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