CN104437765A - Special mill for ultrafine fly ash - Google Patents
Special mill for ultrafine fly ash Download PDFInfo
- Publication number
- CN104437765A CN104437765A CN201410735578.1A CN201410735578A CN104437765A CN 104437765 A CN104437765 A CN 104437765A CN 201410735578 A CN201410735578 A CN 201410735578A CN 104437765 A CN104437765 A CN 104437765A
- Authority
- CN
- China
- Prior art keywords
- storehouse cylinder
- storehouse
- bin
- cylinder
- grinding machine
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention particularly relates to a special mill for ultrafine fly ash in the grinding field of fly ash. The special mill is configured in the shape of a transverse barrel, and comprises a milling head, a bin barrel and a mill tail from front to back in sequence, which are fixedly arranged and connected, wherein a rotary device is fixedly arranged on the outer barrel wall; a feeding hole is formed in the center position of a mill head end cover, and a mill head protective plate is fixedly arranged on the inner wall of the mill head; the bin barrel is divided into a first bin barrel, a second bin barrel and a third bin barrel by virtue of a first bin partition plate and a second bin partition plate; the first bin partition plate is fixedly arranged on the bin barrel inner wall between the first bin barrel and the second bin barrel; a second bin partition plate is fixedly arranged on the bin barrel inner wall between the second bin barrel and the third bin barrel; milling bodies with three diameters and different sizes are respectively placed in the first bin barrel, the second bin barrel and the third bin barrel. The special mill for ultrafine fly ash has the beneficial effects of realizing low-cost large-scale production of the high-fineness ultrafine fly ash and improving the production efficiency.
Description
Technical field
The present invention is specifically related to a kind of special grinding machine being used in flyash abrasive dust field.
Background technology
The development of flyash technology utilizes the secondary of the waste residue waste material of coal burning stove in industrial production, can save the energy greatly.Nowadays, flyash has obtained the extensive use of building materials industry, and great majority manufacture field in manufacture of cement and concrete.
Show with engineering practice after deliberation, flyash to the size of cement and concrete effect and fineness closely related, fineness is thinner, and action effect is better.The flyash how obtaining high fineness becomes the important technical of present stage flyash production field.
Present stage, the flyash obtaining high fineness is by utilizing coal sorter to carry out classification and sorting to flyash, finally sub-electing the flyash that fineness is higher.Utilize the shortcoming of separator to the sorting of combustion furnace waste residue waste material to be, yield rate is low especially, waste is large, secondary pollution is serious, and the flyash of 700 ㎡/㎏ cannot be greater than by large quantities of acquisition Blain specific surface.
The production process of current superfined flyash is all first select powder again to the processing of flyash abrasive dust, refined flyash fineness can be made to increase, and arrive instructions for use by carrying out grinding to flyash.But in the flyash production field of present stage, the flyash of high-fineness, cannot large-scale production by the impact of flyash grinding machine technology, and production cost is high.And the flyash grinding machine of the flyash that can be mass-produced, grinding process shows slightly coarse, and product quality cannot ensure.
Summary of the invention
The object of the invention is cannot the problem of low cost large-scale production high-fineness flyash in order to solve, and providing a kind of can go out the special grinding machine of superfined flyash of fineness superelevation by grinding on a large scale.Flyash specific area can be reached 1100 ㎡/more than ㎏ by superfined flyash of the present invention special grinding machine, and every platform volume production can reach more than 70 tons per hour.
To achieve these goals, the technical solution used in the present invention is the mode adopting in flour mill point three storehouses abrasive dust successively, carries out abrasive dust processing successively to flyash.Three times grinding adopts different abrasive bodies and warehouse structure successively, and grinding goes out high-fineness flyash.
The special grinding machine of superfined flyash of the present invention is horizontal cartridge type structure, and be followed successively by bistrique, storehouse cylinder and mill tail from front to back, fixed installation connects, and on outer tube wall, fixed installation arranges slewing equipment; Charging aperture is established in the middle position of bistrique end cap, inwall fixedly mounts bistrique backplate; Storehouse cylinder is divided into the first storehouse cylinder, the second storehouse cylinder and the 3rd storehouse cylinder by the first partition panel and the second partition panel; On first storehouse cylinder inwall, fixing laying installs ladder lining board; On the inwall of the second storehouse cylinder and the 3rd storehouse cylinder, fixing laying installs corrugated liner, and activation lining board is installed at interval; Storehouse cylinder inwall between first storehouse cylinder and the second storehouse cylinder fixedly mounts the first partition panel, the storehouse cylinder inwall between the second storehouse cylinder and the 3rd storehouse cylinder fixedly mounts the second partition panel; The abrasive body placed three kinds of diameters respectively and vary in size in first storehouse cylinder, the second storehouse cylinder and the 3rd storehouse cylinder; Mill tail end cover inwall fixedly mounts blind plate and discharge grid plate, and the middle position of mill tail end cover is provided with discharging opening, and discharge grid plate is fixedly mounted on discharging opening, fixedly mounts lifting blade in the discharging opening after discharge grid plate.
Described mill storehouse cylinder, preferred effective length: the first storehouse cylinder is 2.4 meters, the second storehouse cylinder is 3.2 meters, the 3rd storehouse cylinder is 7.2 meters; Preferred effective diameter: the first storehouse cylinder is 3.34 meters, the second storehouse cylinder is 3.4 meters, the 3rd storehouse cylinder is 3.4 meters.
The abrasive body that the first described storehouse cylinder, the second storehouse cylinder and the 3rd storehouse cylinder adopt three kinds of diameters successively respectively and vary in size, and abrasive body diameter reduces successively, coordinates milling time thus realizes flyash attrition process from coarse to fine.
Described bistrique backplate is arranged in grinding machine cover board of front end, and protection barrel front end flange is not subject to the erosive wear of abrasive body and material.
Described mill ladder lining board is fixedly mounted on the first storehouse cylinder inwall, makes barrel be step-like, replaceable.Ladder lining board shields to the first storehouse cylinder, in the step-like effect increasing mill internal friction and increase effectively grinding contact area.
Described corrugated liner surface, in corrugated, not only can be played the effect that protection cylindrical shell is not subject to the erosive wear of abrasive body and material, and can increase the ability to bring along of grinding machine to small abrasive body, and small abrasive body is increased material acting.
Described activation lining board is uniformly distributed and is arranged in the second storehouse cylinder and the 3rd storehouse cylinder, and its effect controls the grainding capacity between the flow velocity of material in each storehouse and activation abrasive body and material.
The first described partition panel and the second partition panel are fixedly assemblied to form by the grate plate 360 degree of monolithic, can stop abrasive body string storehouse; Grate plate is sliding, and in fan structure, dual-side arranges subtend step configuration, and flyash air-vent is offered in plate face uniformly, and air-vent is funnel-form, to cavity lopsidedness, facilitates flyash to grind storehouse after flowing in mill storehouse in the past; The pod apertures formed in the grate plate of the second partition panel is less than the pod apertures on the first partition panel.
Described lifting blade plate face is arc of curvature columnar structure, and its effect is the discharge forcing qualified material, and that reduces material crosses grinding phenomenon.
The book beneficial effect of the invention is: the low cost large-scale production achieving high fineness superfined flyash, improves production efficiency.
accompanying drawing illustrates:
Accompanying drawing 1 is assembly structure schematic diagram of the present invention.
Accompanying drawing 2 is the organigram of monolithic grate plate of the present invention.
In accompanying drawing: bistrique 1, bistrique end cap 11, bistrique backplate 12, charging aperture 13, storehouse cylinder 2, first storehouse cylinder 21, second storehouse cylinder 22, the 3rd storehouse cylinder 23, first partition panel 24, second partition panel 25, ladder lining board 26, corrugated liner 27, activation lining board 28, grate plate 29, step configuration 291, air-vent 292, mill tail 3, mill tail end cover 31, discharging opening 32, blind plate 33, discharge grid plate 34, lifting blade 35, slewing equipment 4.
detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
As shown in Figure 1, the special grinding machine of superfined flyash of the present invention is horizontal cartridge type structure, and be followed successively by bistrique 1, storehouse cylinder 2 and mill tail 3 from front to back, fixed installation connects, and on outer tube wall, fixed installation arranges slewing equipment 4; Charging aperture 13 is established in the middle position of bistrique end cap 11, inwall fixedly mounts bistrique backplate 12; Storehouse cylinder 2 is divided into the first storehouse cylinder 21, second storehouse cylinder 22 and the 3rd storehouse cylinder 23 by the first partition panel 24 and the second partition panel 25; On the inwall of the first storehouse cylinder 21, fixing laying installs ladder lining board 26; On the inwall of the second storehouse cylinder 22 and the 3rd storehouse cylinder 23, fixing laying installs corrugated liner 27, and activation lining board 28 is installed at interval; Storehouse cylinder inwall between first storehouse cylinder 21 and the second storehouse cylinder 22 fixedly mounts on the storehouse cylinder inwall between the first partition panel 24, second storehouse cylinder 22 and the 3rd storehouse cylinder 23 and fixedly mount the second partition panel 25; The abrasive body placed three kinds of diameters respectively and vary in size in first storehouse cylinder 21, second storehouse cylinder 22 and the 3rd storehouse cylinder 23; The inwall of mill tail end cover 31 fixedly mounts blind plate 33 and discharge grid plate 34, and the middle position of mill tail end cover 31 is provided with discharging opening 32, and discharge grid plate 34 is fixedly mounted on discharging opening 32, fixedly mounts lifting blade 35 in the discharging opening 32 after discharge grid plate 34.
Described storehouse cylinder 2, preferred effective length: the first storehouse cylinder 21 is 2.4 meters, the second storehouse cylinder 22 is 3.2 meters, the 3rd storehouse cylinder 23 is 7.2 meters; Preferred effective diameter: the first storehouse cylinder 21 is 3.34 meters, the second storehouse cylinder 22 is 3.4 meters, the 3rd storehouse cylinder 23 is 3.4 meters.
Abrasive body diameter in the first described storehouse cylinder 21, second storehouse cylinder 22 and the 3rd storehouse cylinder 23 reduces successively.
The first described partition panel 24 and the second partition panel 25 are fixed assembled one week by the grate plate 29 of monolithic and are formed; Grate plate 29 is in fan structure, and dual-side arranges subtend step configuration 291, and flyash air-vent 292 is offered in plate face uniformly, and air-vent 292 is funnel-form, to cavity lopsidedness.
Air-vent 292 in the grate plate of described composition second partition panel 25 is less than on the first partition panel 24.
Described ladder lining board 26 is fixedly mounted on the first storehouse cylinder 21 inwall, in step-like laying, and replaceable.
Described corrugated liner 27 surface is in corrugated.
Described activation lining board 28 is uniformly distributed and is arranged in the second storehouse cylinder 22 and the 3rd storehouse cylinder 23.
Described lifting blade 35 plate face is arc of curvature columnar structure.
Specific embodiment:
With the specification of content production of the present invention be 3.5X13m, installation 2000KW superfined flyash special grinding machine, the effective length of the first storehouse cylinder 21 is 2.4 meters, the effective length of the second storehouse cylinder 22 is 3.2 meters, the effective length of the 3rd storehouse cylinder 23 is 7.2 meters; The effective diameter of the first storehouse cylinder 21 is 3.34 meters, the effective diameter of the second storehouse cylinder 22 and the 3rd storehouse cylinder 23 is 3.4 meters.
During work, useful load illustrates: 1, first loading amount is 30%, and namely three storehouses fill 48 tons altogether.2, second time loading amount is 40%, and namely three storehouses fill 64 tons altogether.3, finally fill 30%, namely three storehouses fill 48 tons altogether.
Claims (9)
1. the special grinding machine of superfined flyash, it is characterized in that: grinding machine is horizontal cartridge type structure, be followed successively by bistrique (1), storehouse cylinder (2) and mill tail (3) from front to back, fixed installation connects, and on outer tube wall, fixed installation arranges slewing equipment (4); Charging aperture (13) is established in the middle position of bistrique end cap (11), inwall fixedly mounts bistrique backplate (12); Storehouse cylinder (2) is divided into the first storehouse cylinder (21), the second storehouse cylinder (22) and the 3rd storehouse cylinder (23) by the first partition panel (24) and the second partition panel (25); On the inwall of the first storehouse cylinder (21), fixing laying installs ladder lining board (26); On the inwall of the second storehouse cylinder (22) and the 3rd storehouse cylinder (23), fixing laying installs corrugated liner (27), and activation lining board (28) is installed at interval; Storehouse cylinder inwall between first storehouse cylinder (21) and the second storehouse cylinder (22) fixedly mounts the first partition panel (24), the storehouse cylinder inwall between the second storehouse cylinder (22) and the 3rd storehouse cylinder (23) fixedly mounts the second partition panel (25); The abrasive body placing three kinds of diameters respectively in first storehouse cylinder (21), the second storehouse cylinder (22) and the 3rd storehouse cylinder (23) and vary in size; The inwall of mill tail end cover (31) fixedly mounts blind plate (33) and discharge grid plate (34), the middle position of mill tail end cover (31) is provided with discharging opening (32), discharge grid plate (34) is fixedly mounted on discharging opening (32), fixed installation lifting blade (35) in the discharging opening (32) after discharge grid plate (34).
2. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: the preferred effective length of storehouse cylinder (2): the first storehouse cylinder (21) is 2.4 meters, the second storehouse cylinder (22) is 3.2 meters, the 3rd storehouse cylinder (23) is 7.2 meters; The preferred effective diameter of storehouse cylinder (2): the first storehouse cylinder (21) is 3.34 meters, the second storehouse cylinder (22) is 3.4 meters, the 3rd storehouse cylinder (23) is 3.4 meters.
3. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: the abrasive body diameter in the first storehouse cylinder (21), the second storehouse cylinder (22) and the 3rd storehouse cylinder (23) reduces successively.
4. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: the first partition panel (24) and the second partition panel (25) form by the grate plate (29) of monolithic is fixing for assembled one week; Grate plate (29) is in fan structure, and dual-side arranges subtend step configuration (291), plate face is offered uniformly flyash air-vent (292), air-vent (292) in funnel-form, to cavity lopsidedness.
5. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: the air-vent (292) formed in the grate plate of the second partition panel (25) is less than on the first partition panel (24).
6. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: ladder lining board (26) is fixedly mounted on the first storehouse cylinder (21) inwall, in step-like laying, and replaceable.
7. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: corrugated liner (27) surface is in corrugated.
8. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: activation lining board (28) is uniformly distributed and is arranged in the second storehouse cylinder (22) and the 3rd storehouse cylinder (23).
9. the special grinding machine of superfined flyash as claimed in claim 1, is characterized in that: lifting blade (35) plate face is arc of curvature columnar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735578.1A CN104437765A (en) | 2014-12-08 | 2014-12-08 | Special mill for ultrafine fly ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735578.1A CN104437765A (en) | 2014-12-08 | 2014-12-08 | Special mill for ultrafine fly ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104437765A true CN104437765A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735578.1A Pending CN104437765A (en) | 2014-12-08 | 2014-12-08 | Special mill for ultrafine fly ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104437765A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233926A (en) * | 2015-09-22 | 2016-01-13 | 宁夏锦绣实业有限公司 | Mill special for ultra-fine flyash |
| CN106238156A (en) * | 2016-09-29 | 2016-12-21 | 盐城工学院 | A kind of three grades of ball mill and three grades of milling systems |
| CN107185655A (en) * | 2017-06-12 | 2017-09-22 | 南京新中磁电技术工程有限公司 | A kind of novel tube mill |
| CN111450946A (en) * | 2020-04-08 | 2020-07-28 | 元江县永发水泥有限公司 | Tube mill for producing limestone micro powder |
| CN113102044A (en) * | 2021-05-10 | 2021-07-13 | 江苏金木土科技有限公司 | High-performance concrete admixture grinding device and grinding method |
| CN113953062A (en) * | 2021-10-18 | 2022-01-21 | 天津水泥工业设计研究院有限公司 | Self-sorting ball milling system for grinding superfine materials |
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| CN103623896A (en) * | 2013-12-11 | 2014-03-12 | 黑龙江宏宇电站设备有限公司 | Cement ball mill |
| CN203556419U (en) * | 2013-10-26 | 2014-04-23 | 中建材（合肥）水泥通用设备科技有限公司 | Anti-blocking front grid plate on double-layer partition plate and capable of easily adjusting material flow speed in tube mill |
| CN103990519A (en) * | 2014-05-30 | 2014-08-20 | 顾开明 | Compartment grate plate |
| CN204396090U (en) * | 2014-12-08 | 2015-06-17 | 宁夏锦绣实业有限公司 | The special grinding machine of superfined flyash |
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- 2014-12-08 CN CN201410735578.1A patent/CN104437765A/en active Pending
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| US1739855A (en) * | 1928-12-20 | 1929-12-17 | Allis Chalmers Mfg Co | Comminuting mill |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233926A (en) * | 2015-09-22 | 2016-01-13 | 宁夏锦绣实业有限公司 | Mill special for ultra-fine flyash |
| CN106238156A (en) * | 2016-09-29 | 2016-12-21 | 盐城工学院 | A kind of three grades of ball mill and three grades of milling systems |
| CN107185655A (en) * | 2017-06-12 | 2017-09-22 | 南京新中磁电技术工程有限公司 | A kind of novel tube mill |
| CN111450946A (en) * | 2020-04-08 | 2020-07-28 | 元江县永发水泥有限公司 | Tube mill for producing limestone micro powder |
| CN113102044A (en) * | 2021-05-10 | 2021-07-13 | 江苏金木土科技有限公司 | High-performance concrete admixture grinding device and grinding method |
| CN113953062A (en) * | 2021-10-18 | 2022-01-21 | 天津水泥工业设计研究院有限公司 | Self-sorting ball milling system for grinding superfine materials |
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Application publication date: 20150325 |
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