CN109365063B - Multi-impeller vertical mill - Google Patents
Multi-impeller vertical mill Download PDFInfo
- Publication number
- CN109365063B CN109365063B CN201811222543.2A CN201811222543A CN109365063B CN 109365063 B CN109365063 B CN 109365063B CN 201811222543 A CN201811222543 A CN 201811222543A CN 109365063 B CN109365063 B CN 109365063B
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- CN
- China
- Prior art keywords
- casing
- annular ring
- pipe
- carousel
- impeller
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/007—Mills with rollers pressed against a rotary horizontal disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a multi-impeller vertical mill, wherein a ventilation pipe (8) communicated with a shell (1) is arranged at the rear side of the shell (1), and the ventilation pipe (8) is positioned at the lower end part of the shell (1) and is tangent with the inner wall of the shell (1); offer a plurality of through-holes (9) on top cap (5), the top of every through-hole (9) has all set firmly conical cover (10) that are located on top surface of top cap (5), conical cover (10) and through-hole (9) intercommunication, the top fixed mounting of conical cover (10) has motor B (11), the output shaft of motor B (11) runs through conical cover (10) setting downwards, and there is pivot (12) on the output shaft through the coupling joint, install impeller (13) on pivot (12), impeller (13) are by last annular ring (14), lower annular ring (15) and blade (16) are constituteed. The beneficial effects of the invention are as follows: compact structure, high-efficient screening granule calcium carbonate powder dirt, easy operation.
Description
Technical Field
The invention relates to the technical field of calcium carbonate production, in particular to a multi-blade vertical mill.
Background
Calcium carbonate is a very widely used precious resource limestone, a commodity name for limestone as a mineral raw material. Calcium carbonate powder can be used in rubber, paper, ink, paint and plastics. When the calcium carbonate powder is added into the rubber, the rubber has a space three-dimensional structure and good dispersibility, and the reinforcing effect of the material can be improved; when the calcium carbonate powder is added into paper pulp, the manufactured paper can be whiter and has higher strength; when the calcium carbonate powder is added into the ink, the high-price colloidal calcium can be replaced, and the glossiness and brightness of the ink can be improved; when the calcium carbonate powder is added into plastics, the dimensional stability of the plastic products can be improved, the hardness and rigidity of the plastic products can be improved, and the processability of the plastics can be improved.
As shown in fig. 6, a structural schematic diagram of calcium carbonate powder production equipment is shown, which comprises a shell 1, a rotary table 2, a reduction gearbox 3, a motor A4 and a fan 27, wherein a top cover 5 is arranged at the top of the shell 1, an opening is formed at the bottom of the shell 1, an output shaft of the motor A4 is in flange connection with an input shaft of the reduction gearbox 3, the rotary table 2 is fixedly arranged on the output shaft of the reduction gearbox 3, the rotary table 2 is positioned in the opening, an annular gap is formed between the outer edge of the rotary table 2 and the inner wall of the shell 1, a plurality of press roller wheels 6 are rotatably arranged on the side surface of the shell 1 around the circumferential direction of the rotary table, the press roller wheels 6 are positioned right above the rotary table 2 and leave gaps with the bottom surface of the rotary table 2, a feed pipe 7 is also arranged on the side surface of the shell 1, the inlet end of the feed pipe 7 is arranged outside the shell 1, and the outlet end of the feed pipe 7 is positioned right above the rotary table 2; the exhaust pipe of the fan 27 penetrates through the top cover 5 and stretches into the shell 1, and the air outlet pipe of the fan 27 is connected with the inlet end of the bag-type dust collector 26.
When the calcium carbonate production equipment works, a worker firstly opens the fan 27 and the motor A4, inputs ore through the inlet end of the feed pipe 7, rolls the ore into the rotary table 2 along the feed pipe 7, stops feeding after a certain amount of ore is added, and transmits torque of the motor A4 to the rotary table 2 after being decelerated by the reduction gearbox 3, the rotary table 2 circumferentially rotates in the shell 1, in the rotating process, the ore rolls under the compression roller wheel 6 in the radial direction under the centrifugal force, the compression roller wheel 6 grinds and rolls the ore, so that calcium carbonate dust is generated, the fan 27 pumps the calcium carbonate dust in the shell 1 into the bag-type dust collector, and the finished calcium carbonate dust is obtained after filtering by the bag-type dust collector 26. The device has the following defects: 1. the blower draws out the calcium carbonate powder under the negative pressure, and the powder blocks up the blower very easily, leads to the convulsions load big, finally leads to the blower damage. 2. The fan pumps the large-particle calcium carbonate powder dust and the small-particle calcium carbonate powder dust into the bin body together, so that the unnecessary large-particle calcium carbonate powder dust is also pumped into the bin body together, and the small-particle calcium carbonate powder dust is difficult to screen out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the multi-blade wheel vertical mill which has the advantages of compact structure, high-efficiency screening of small-particle calcium carbonate dust and simple operation.
The aim of the invention is achieved by the following technical scheme: the utility model provides a multi-impeller vertical mill, it includes casing, carousel, reducing gear box and motor A, the top of casing is provided with the top cap, the opening has been seted up to the bottom of casing, motor A's output shaft and reducing gear box's input shaft flange joint, the carousel has been set firmly on the output shaft of reducing gear box, the carousel is located in the opening and be formed with annular gap I between the surface of carousel and the inner wall of casing, on the side of casing and around its circumferencial direction rotation install a plurality of compression roller wheels, the compression roller wheel is located directly over the carousel and be formed with the clearance with the carousel bottom surface, the left surface of casing still is provided with the inlet pipe, the inlet pipe leans down to the right setting, the inlet end of inlet pipe is located the casing outside, the outlet end of inlet pipe is located directly over the carousel, the rear side of casing is provided with the ventilation pipe that communicates the casing, the ventilation pipe is located the lower tip of casing and tangent with the inner wall of casing; the top cover is provided with a plurality of through holes, a conical cover positioned on the top surface of the top cover is fixedly arranged above each through hole, the conical cover is communicated with the through holes, a motor B is fixedly arranged at the top of the conical cover, an output shaft of the motor B downwards penetrates through the conical cover, the output shaft is connected with a rotating shaft through a coupling, an impeller is arranged on the rotating shaft, the impeller consists of an upper annular ring, a lower annular ring and blades, a plurality of blades are sequentially and fixedly arranged between the upper annular ring and the lower annular ring in the circumferential direction of the annular ring, a shaft sleeve is arranged in the middle of the upper annular ring, spokes are arranged between the shaft sleeve and the upper annular ring, the shaft sleeve is arranged on the rotating shaft, and an annular gap II is formed between the upper annular ring positioned in the through hole and the inner wall of the through hole; the top cover is characterized in that a main pipeline is arranged on the top surface of the top cover, and a branch pipeline is arranged between the main pipeline and the conical cover and is communicated with the main pipeline and the branch pipeline.
The outside winding of toper cover has the annular pipe, and on the annular pipe and be provided with a plurality of return bends along its circumferencial direction, the one end and the annular pipe intercommunication of return bend, another port is located annular gap II directly over.
The top cover is provided with an air compressor, a hose is connected to an air outlet of the air compressor, and the other end of the hose is communicated with the annular pipe.
The upper annular ring is arranged parallel to the lower annular ring.
The invention has the following advantages: the invention has compact structure, high-efficiency screening of small-particle calcium carbonate powder dust and simple operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an E-view of FIG. 1;
FIG. 4 is an enlarged partial view of the portion I of FIG. 1;
FIG. 5 is a schematic view of the impeller;
FIG. 6 is a schematic structural view of a conventional calcium carbonate powder production apparatus;
in the figure, a shell-, a 2-turntable, a 3-reduction gearbox, a 4-motor A, a 5-top cover, a 6-press roller, a 7-feed pipe, an 8-ventilation pipe, a 9-through hole, a 10-conical cover, a 11-motor B, a 12-rotating shaft, a 13-impeller, a 14-upper annular ring, a 15-lower annular ring, a 16-blade, a 17-shaft sleeve, 18-spokes, a 19-annular gap II, a 20-main pipe, a 21-branch pipe, a 22-annular pipe, a 23-bent pipe, a 24-air compressor, a 25-hose, a 26-bag dust remover and a 27-fan are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 1-5, a multi-impeller vertical mill comprises a shell 1, a rotary table 2, a reduction gearbox 3 and a motor A4, wherein a top cover 5 is arranged at the top of the shell 1, an opening is formed in the bottom of the shell 1, an output shaft of the motor A4 is in flange connection with an input shaft of the reduction gearbox 3, the rotary table 2 is fixedly arranged on the output shaft of the reduction gearbox 3, the rotary table 2 is positioned in the opening, an annular gap I is formed between the outer surface of the rotary table 2 and the inner wall of the shell 1, a plurality of press roller wheels 6 are rotatably arranged on the side surface of the shell 1 and around the circumferential direction of the rotary table, the press roller wheels 6 are positioned right above the rotary table 2 and form a gap with the bottom surface of the rotary table 2, a feed pipe 7 is further arranged on the left side surface of the shell 1, the feed pipe 7 is obliquely downwards arranged rightward, an inlet end of the feed pipe 7 is positioned outside the shell 1, an outlet end of the feed pipe 7 is positioned right above the rotary table 2, and a vent pipe 8 communicated with the shell 1 is arranged on the rear side of the shell 1, and the vent pipe 8 is positioned at the lower end of the shell 1 and is tangent with the inner wall of the shell 1.
The top cover 5 is provided with a plurality of through holes 9, a conical cover 10 positioned on the top surface of the top cover 5 is fixedly arranged above each through hole 9, the conical cover 10 is communicated with the through holes 9, a motor B11 is fixedly arranged at the top of the conical cover 10, an output shaft of the motor B11 downwards penetrates through the conical cover 10 and is connected with a rotating shaft 12 through a coupler, an impeller 13 is arranged on the rotating shaft 12, the impeller 13 consists of an upper annular ring 14, a lower annular ring 15 and blades 16, a plurality of blades 16 are sequentially and fixedly arranged between the upper annular ring 14 and the lower annular ring 15 in the circumferential direction of the annular ring, a shaft sleeve 17 is arranged in the middle of the upper annular ring 14, a spoke 18 is arranged between the shaft sleeve 17 and the upper annular ring 14, the shaft sleeve 17 is arranged on the rotating shaft 12, and an annular gap II19 is formed between the upper annular ring 14 positioned in the through hole 9 and the inner wall of the through hole 9; a main pipe 20 is arranged on the top surface of the top cover 5, a branch pipe 21 is arranged between the main pipe 20 and the conical cover 10, and the branch pipe 21 is communicated with the main pipe 20 and the branch pipe 21.
The outside of the conical cover 10 is wound with an annular pipe 22, a plurality of bent pipes 23 are arranged on the annular pipe 22 along the circumferential direction of the annular pipe 22, one end of each bent pipe 23 is communicated with the annular pipe 22, and the other end of each bent pipe is located right above the annular gap II 19. An air compressor 24 is arranged on the top cover 5, a hose 25 is connected to an air outlet of the air compressor 24, and the other end of the hose 25 is communicated with the annular pipe 22. The upper annular ring 14 is arranged parallel to the lower annular ring 15.
The working process of the invention is as follows:
s1, turning on a motor A4, and transmitting torque of the motor A4 to a turntable 2 after being decelerated by a reduction gearbox 3, wherein the turntable 2 performs circumferential rotation; ore is thrown into the rotary table 2 through the inlet end of the feed pipe 7, the ore rolls into the rotary table 2 along the feed pipe 7, the ore falling onto the rotary table 2 moves to the position right below the press roller 6 along the radial direction of the rotary table 2 under the centrifugal force, and the press roller 6 grinds and rolls the ore, so that calcium carbonate dust is generated;
s2, a motor B11 is started, the motor B11 drives a rotating shaft 12 to rotate, the rotating shaft 12 drives a shaft sleeve 17 to rotate, and the shaft sleeve 17 drives an upper annular ring 14 to rotate, so that the whole impeller 13 is driven to rotate;
s3, connecting a worker with the bag-type dust collector 26 at the tail of the main pipeline 20; the ventilating pipe 8 is connected with the blower, the blower is turned on, the blower conveys wind into the ventilating pipe 8, the ventilating pipe 8 is tangent to the inner wall of the shell 1, so that the wind entering into the shell 1 is upward cyclone, the cyclone blows large-particle calcium carbonate dust and small-particle calcium carbonate dust in the shell upward, the cyclone drives the large-particle calcium carbonate dust and the small-particle calcium carbonate dust to enter into the impeller 13, the large-particle calcium carbonate dust is thrown out of a gap between adjacent blades 16 under centrifugal force by the blades 16 in a rotating state, the small-particle calcium carbonate dust sequentially passes through the upper annular ring 14, the conical cover 10 and the branch pipeline 21 under the wind force to enter into the main pipeline 20, finally the small-particle calcium carbonate dust is intercepted in the bag dust collector 26, and clean wind passes through the bag dust collector 26 to enter into the atmosphere, so that the large-particle calcium carbonate dust and the small-particle calcium carbonate dust are separated efficiently, and finally qualified carbonic acid dust is obtained, the traditional fan is replaced by pumping out the calcium carbonate dust under negative pressure, the fan is prevented from being damaged by the increase of blocking power, and the vertical mill can run for a long term.
Claims (1)
1. The utility model provides a multi-impeller vertical mill, a serial communication port, including casing (1), carousel (2), reducing gear box (3) and motor A (4), the top of casing (1) is provided with top cap (5), the opening has been seted up to the bottom of casing (1), the output shaft of motor A (4) and the input shaft flange joint of reducing gear box (3), carousel (2) have been set firmly on the output shaft of reducing gear box (3), carousel (2) are located in the opening and be formed with annular gap I between the surface of carousel (2) and the inner wall of casing (1), a plurality of compression roller wheels (6) are installed on the side of casing (1) and around its circumferencial direction rotation, compression roller wheel (6) are located directly over carousel (2) and are formed with the clearance between the bottom surface of carousel (2), the left surface of casing (1) still is provided with inlet pipe (7), inlet end of inlet pipe (7) slope downwards sets up to the right, the outlet end of inlet pipe (7) is located directly over casing (2), the rear side of casing (1) is provided with casing (8) of intercommunication and is located under casing (1) of carousel (1); the novel energy-saving device is characterized in that a plurality of through holes (9) are formed in the top cover (5), a conical cover (10) positioned on the top surface of the top cover (5) is fixedly arranged above each through hole (9), the conical cover (10) is communicated with the through holes (9), a motor B (11) is fixedly arranged at the top of the conical cover (10), an output shaft of the motor B (11) downwards penetrates through the conical cover (10) and is connected with a rotating shaft (12) through a coupling, an impeller (13) is arranged on the rotating shaft (12), the impeller (13) consists of an upper annular ring (14), a lower annular ring (15) and blades (16), a plurality of blades (16) are sequentially and fixedly arranged between the upper annular ring (14) and the lower annular ring (15) in the circumferential direction of the annular ring, a shaft sleeve (17) is arranged in the middle of the upper annular ring (14), a spoke (18) is arranged between the shaft sleeve (17) and the upper annular ring (14), the shaft sleeve (17) is arranged on the rotating shaft (12), and an annular gap (19) is formed between the upper annular ring (14) and the inner wall of the through hole (9 II); be provided with trunk line (20) on the top surface of top cap (5), be provided with branch pipe (21) between trunk line (20) and toper cover (10), branch pipe (21) intercommunication trunk line (20) and branch pipe (21), a multi-impeller vertical mill, the outside winding of toper cover (10) have annular pipe (22), annular pipe (22) are last and be provided with a plurality of return bend (23) along its circumferencial direction, the one end and the annular pipe (22) intercommunication of return bend (23), and another port is located directly over annular gap II (19), be provided with air compressor machine (24) on top cap (5), air outlet department of air compressor machine (24) is connected with hose (25), the other end and the annular pipe (22) intercommunication of hose (25), go up annular circle (14) and be on a parallel with lower annular circle (15) setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222543.2A CN109365063B (en) | 2018-10-19 | 2018-10-19 | Multi-impeller vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222543.2A CN109365063B (en) | 2018-10-19 | 2018-10-19 | Multi-impeller vertical mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109365063A CN109365063A (en) | 2019-02-22 |
| CN109365063B true CN109365063B (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222543.2A Active CN109365063B (en) | 2018-10-19 | 2018-10-19 | Multi-impeller vertical mill |
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| Country | Link |
|---|---|
| CN (1) | CN109365063B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283682A2 (en) * | 1987-03-24 | 1988-09-28 | Mitsubishi Jukogyo Kabushiki Kaisha | Roller mill |
| CN101125306A (en) * | 2007-10-09 | 2008-02-20 | 辽宁重机设备技术有限公司 | Roller type medium speed mill |
| ES2351083T3 (en) * | 1998-08-11 | 2011-01-31 | Loesche Gmbh | GRINDING PLANT AND PROCEDURE TO GRIND GROSS MATERIALS. |
| CN105435905A (en) * | 2015-12-15 | 2016-03-30 | 莱歇研磨机械制造(上海)有限公司 | Double-output-mode vertical mill |
| CN106040367A (en) * | 2016-08-03 | 2016-10-26 | 无锡得戟重工有限公司 | Grinding device for cement production |
| CN107930777A (en) * | 2017-12-22 | 2018-04-20 | 李文志 | A kind of novel vertical flour mill |
-
2018
- 2018-10-19 CN CN201811222543.2A patent/CN109365063B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283682A2 (en) * | 1987-03-24 | 1988-09-28 | Mitsubishi Jukogyo Kabushiki Kaisha | Roller mill |
| ES2351083T3 (en) * | 1998-08-11 | 2011-01-31 | Loesche Gmbh | GRINDING PLANT AND PROCEDURE TO GRIND GROSS MATERIALS. |
| CN101125306A (en) * | 2007-10-09 | 2008-02-20 | 辽宁重机设备技术有限公司 | Roller type medium speed mill |
| CN105435905A (en) * | 2015-12-15 | 2016-03-30 | 莱歇研磨机械制造(上海)有限公司 | Double-output-mode vertical mill |
| CN106040367A (en) * | 2016-08-03 | 2016-10-26 | 无锡得戟重工有限公司 | Grinding device for cement production |
| CN107930777A (en) * | 2017-12-22 | 2018-04-20 | 李文志 | A kind of novel vertical flour mill |
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| Publication number | Publication date |
|---|---|
| CN109365063A (en) | 2019-02-22 |
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