CN103623907B - Grinding apparatus for producing calcium carbonate powder from 1000 mesh to 2000 mesh - Google Patents
Grinding apparatus for producing calcium carbonate powder from 1000 mesh to 2000 mesh Download PDFInfo
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- CN103623907B CN103623907B CN201310358091.1A CN201310358091A CN103623907B CN 103623907 B CN103623907 B CN 103623907B CN 201310358091 A CN201310358091 A CN 201310358091A CN 103623907 B CN103623907 B CN 103623907B
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- centrifugal
- grinding roller
- calcium carbonate
- main shaft
- housing
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Abstract
The invention discloses a production apparatus for ultrafine calcium carbonate powder. The apparatus comprises a shell and is characterized in that a motor is arranged at the upper part of the shell and is connected with a main shaft through a speed reducer, the main shaft is vertically located at the center in the shell, the upper part of the main shaft is equipped with a centrifugal cone, the upper part of the centrifugal cone is provided with a feed hopper, material homogenizing ribs are arranged at the central part of the centrifugal cone along a mother line, a centrifugal material flinging disc is arranged at the lower part of the centrifugal cone, the periphery of the centrifugal material flinging disc is provided with gaps arranged at a uniform interval and is 5 to 10 cm away from the interior surface of the shell, a wear resistant block is arranged on the part of the shell facing the gaps, the main shaft located at the lower part of the centrifugal cone is provided with a grinding roll cylinder, the upper part of the grinding roll cylinder is a big-end-down taper, active grinding rolls are uniformly arranged around the grinding roll cylinder, a driven grinding roll is arranged on the part of the shell facing the active grinding rolls, two ends of the roll shaft of the driven grinding roll are equipped with springs, and the upper ends of the active grinding rolls and the driven grinding rolls are trumpet-shaped.
Description
Technical field
The present invention relates to the dry milling technique of calcium carbonate, i.e. a kind of production equipment of ultrafine calcium carbonate powder.
Background technology
Calcium carbonate powder is formed through dry grinding by the calcium carbonate mineral such as calcite, marble, is conventional white inorganic filler, is widely used in the industries such as coating, paint, plastics, rubber, daily use chemicals, building materials.
Current calcium carbonate powder is generally formed by the multistage grinding of the various disintegrating machine such as jaw crusher, ball mill, all a large amount of energy will be consumed in every one-level grinding, technical process more complicated, energy consumption is high, yield poorly, labor intensive is many, noise is large, dust is many, unfavorable environmental protection, produces product power consumption per ton more than 120 degree.
Summary of the invention
In order to simplify the production equipment technique of existing calcium carbonate powder, the present invention proposes a kind of production equipment of ultrafine calcium carbonate powder.
The production equipment of this ultrafine calcium carbonate powder is by the calcium carbonate mineral raw material of below particle diameter 1cm, broken through first-stage centrifugal, then through secondary roller mill, then through screening, wind-force is collected, and obtains 1000-2000 object calcium carbonate powder.
The production equipment of this extra-fine grinding calcium carbonate powder, comprise housing, it is characterized in that, housing upper is equipped with motor, motor via reducer is connected with main shaft, what main shaft was vertical is positioned at housing center, centrifugal cone is equipped with on main shaft top, feed hopper is arranged at centrifugal cone top, have refining muscle along busbar arrangement in the middle part of centrifugal cone, centrifugal parabolic dish is arranged at centrifugal cone bottom, the uniform interval, outer of centrifugal parabolic dish be furnished with breach, the outer of centrifugal parabolic dish and shell inner surface, at a distance of 5-10cm, the housing on breach opposite are provided with wear-resistant block; The main shaft of centrifugal cone bottom is provided with grinding roller cylinder, grinding roller cylindrical upper portion is up-small and down-big taper, grinding roller cylinder periphery is furnished with initiatively grinding roller uniformly, the housing on active grinding roller opposite is provided with driven grinding roller, spring is equipped with at the roll shaft two ends of driven grinding roller, and initiatively grinding roller and driven grinding roller upper end are horn-like.
Grinding roller cylinder bottom is provided with vibratory sieve, and the sieve upper and lower opening of vibratory sieve is provided with coarse fodder aggregate bin, in coarse fodder aggregate bin, vertical screw elevator is housed, and in the outlet of screw elevator and housing, centrifugal cone bottom communicates.
Vibratory sieve bottom is collecting bin, and the base plate of collecting bin is skewed, and the end opening of the base plate of collecting bin is provided with fines aggregate bin, in fines aggregate bin, vertical screw elevator is housed, and outlet and the coarse fodder aggregate bin of screw elevator communicate.
Powder collecting pipe is arranged at collecting bin top, powder collecting pipe is provided with wind-force powder gathering machine.
Wind-force powder gathering machine comprises rotoclone collector, pulse bag dust-precipitator and negative pressure induced wind machine, and they are connected successively with airduct.
The present invention is by the calcium carbonate mineral raw material of below particle diameter 1cm, through the High Rotation Speed of centrifugal parabolic dish, centrifugal force mineral are dished out from the breach high speed of centrifugal parabolic dish, impinge upon on the wear-resistant block of housing, one-level is broken, grind through secondary roller again, then through screening, wind-force is collected, obtain the calcium carbonate powder of D98=2 micron, for the oversize do not collected by wind-force and minus mesh, risen to above grinding roller cylinder by coarse fodder aggregate bin, fines aggregate bin, two screw elevators, again grind.Advantage of the present invention is that technological process is simple, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is equipment schematic diagram of the present invention
Fig. 2 is active grinding roller of the present invention, driven grinding roller enlarged diagram
In figure: 1, housing, 2, motor, 3, reductor, 4, main shaft, 5, centrifugal cone, 6, feed hopper, 7, refining muscle, 8, centrifugal parabolic dish, 9, breach, 10, wear-resistant block, 11, grinding roller cylinder, 12, initiatively grinding roller, 13, driven grinding roller, 14, spring, 15, vibratory sieve, 16, coarse fodder aggregate bin, 17, screw elevator, 18, collecting bin, 19, fines aggregate bin, 20, screw elevator, 21, powder collecting pipe, 22, rotoclone collector, 23, pulse bag dust-precipitator, 24, negative pressure induced wind machine.
Detailed description of the invention
In fig. 1 and 2: the production equipment of this ultrafine calcium carbonate powder, be by the calcium carbonate mineral raw material of below particle diameter 1cm, broken through first-stage centrifugal, then through secondary roller mill, then through screening, wind-force is collected, and obtains 1000-2000 object calcium carbonate powder.
The production equipment of this extra-fine grinding calcium carbonate powder, comprise housing 1, housing 1 top is equipped with motor 2, motor 2 is connected with main shaft 4 by reductor 3, what main shaft 4 was vertical is positioned at housing 1 center, centrifugal cone 5 is equipped with on main shaft 4 top, feed hopper 6 is arranged at centrifugal cone 5 top, refining muscle 7 is had along busbar arrangement in the middle part of centrifugal cone 5, centrifugal parabolic dish 8 is arranged at centrifugal cone 5 bottom, the uniform interval, outer of centrifugal parabolic dish 8 be furnished with breach 9, the outer of centrifugal parabolic dish 8 and housing 1 inner surface, at a distance of 10cm, the housing 1 on breach 9 opposite are provided with wear-resistant block 10; The main shaft 4 of centrifugal cone 5 bottom is provided with grinding roller cylinder 11, grinding roller cylinder 11 top is up-small and down-big taper, grinding roller cylinder 11 periphery is furnished with initiatively grinding roller 12 uniformly, the housing 1 on active grinding roller 12 opposite is provided with driven grinding roller 13, spring 14 is equipped with at the roll shaft two ends of driven grinding roller 13, and initiatively grinding roller 12 and driven grinding roller 13 upper end are horn-like.
Grinding roller cylinder 11 bottom is provided with vibratory sieve 15, and the sieve upper and lower opening of vibratory sieve 15 is provided with coarse fodder aggregate bin 16, and vertical screw elevator 17 is housed in coarse fodder aggregate bin 16, and in the outlet of screw elevator 17 and housing 1, centrifugal cone 5 bottom communicates.
Vibratory sieve 15 bottom is collecting bin 18, the base plate of collecting bin 18 is skewed, the end opening of the base plate of collecting bin 18 is provided with fines aggregate bin 19, and vertical screw elevator 20 is housed in fines aggregate bin 19, and outlet and the coarse fodder aggregate bin 16 of screw elevator 20 communicate.
Powder collecting pipe 21 is arranged at collecting bin 18 top, powder collecting pipe 21 is provided with wind-force powder gathering machine; Finished product is collected pack by wind-force powder gathering machine.
Wind-force powder gathering machine comprises rotoclone collector 22, pulse bag dust-precipitator 23 and negative pressure induced wind machine 24, and they are connected successively with airduct.
Claims (5)
1. the milling apparatus for the production of 1000-2000 order calcium carbonate powder, comprise housing, it is characterized in that, housing upper is equipped with motor, motor via reducer is connected with main shaft, what main shaft was vertical is positioned at housing center, centrifugal cone is equipped with on main shaft top, feed hopper is arranged at centrifugal cone top, refining muscle is had along busbar arrangement in the middle part of centrifugal cone, centrifugal parabolic dish is arranged at centrifugal cone bottom, the uniform interval, outer of centrifugal parabolic dish be furnished with breach, the outer of centrifugal parabolic dish and shell inner surface are at a distance of 5-10cm, the housing on breach opposite is provided with wear-resistant block, the main shaft of centrifugal cone bottom is provided with grinding roller cylinder, grinding roller cylindrical upper portion is up-small and down-big taper, grinding roller cylinder periphery is furnished with initiatively grinding roller uniformly, the housing on active grinding roller opposite is provided with driven grinding roller, spring is equipped with at the roll shaft two ends of driven grinding roller, and initiatively grinding roller and driven grinding roller upper end are horn-like.
2. a kind of milling apparatus for the production of 1000-2000 order calcium carbonate powder according to claim 1, it is characterized in that, described grinding roller cylinder bottom is provided with vibratory sieve, the sieve end opening of vibratory sieve is provided with coarse fodder aggregate bin, in coarse fodder aggregate bin, vertical screw elevator is housed, in the outlet of screw elevator and housing, centrifugal cone bottom communicates.
3. a kind of milling apparatus for the production of 1000-2000 order calcium carbonate powder according to claim 1, it is characterized in that, described vibratory sieve bottom is collecting bin, the base plate of collecting bin is skewed, the end opening of the base plate of collecting bin is provided with fines aggregate bin, in fines aggregate bin, vertical screw elevator is housed, outlet and the coarse fodder aggregate bin of screw elevator communicate.
4. a kind of milling apparatus for the production of 1000-2000 order calcium carbonate powder according to claim 1, it is characterized in that, powder collecting pipe is arranged at described collecting bin top, powder collecting pipe is provided with wind-force powder gathering machine.
5. a kind of milling apparatus for the production of 1000-2000 order calcium carbonate powder according to claim 1, is characterized in that, described wind-force powder gathering machine comprises rotoclone collector, pulse bag dust-precipitator and negative pressure induced wind machine, and they are connected successively with airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358091.1A CN103623907B (en) | 2013-08-16 | 2013-08-16 | Grinding apparatus for producing calcium carbonate powder from 1000 mesh to 2000 mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358091.1A CN103623907B (en) | 2013-08-16 | 2013-08-16 | Grinding apparatus for producing calcium carbonate powder from 1000 mesh to 2000 mesh |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103623907A CN103623907A (en) | 2014-03-12 |
| CN103623907B true CN103623907B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310358091.1A Expired - Fee Related CN103623907B (en) | 2013-08-16 | 2013-08-16 | Grinding apparatus for producing calcium carbonate powder from 1000 mesh to 2000 mesh |
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| CN (1) | CN103623907B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790032A (en) * | 2017-12-01 | 2018-03-13 | 邓之玉 | A kind of differential centrifugation screens feed stuff agitating device |
| CN109939802B (en) * | 2019-04-02 | 2021-02-19 | 江苏欧凯包装科技有限公司 | Preparation device of fermented wheaten food preservative |
| CN113942753B (en) * | 2020-07-15 | 2022-12-02 | 湖南磊鑫新材料科技有限公司 | Dry powder mortar prevents blockking up storage facilities |
| CN112934332B (en) * | 2021-03-08 | 2022-10-14 | 南召县长和实业有限公司 | Milling equipment is used in calcium powder production |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203400768U (en) * | 2013-08-16 | 2014-01-22 | 湖南磊鑫新材料科技有限公司 | Production device of superfine ground calcium carbonate powder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111136U (en) * | 1991-08-25 | 1992-07-29 | 杨连国 | Vertical striked-swing roll suspension mill |
| CN2260662Y (en) * | 1996-05-21 | 1997-08-27 | 哈尔滨多元超细粉体工程有限责任公司 | Counter-jetting type super micro air-flow disintegrating grader |
| CN101767049B (en) * | 2010-01-06 | 2011-11-23 | 黄如健 | Vertical multi-stage coaxial impact crushing sorting unit |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203400768U (en) * | 2013-08-16 | 2014-01-22 | 湖南磊鑫新材料科技有限公司 | Production device of superfine ground calcium carbonate powder |
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| CN103623907A (en) | 2014-03-12 |
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