CN106140398A - Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method - Google Patents
Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method Download PDFInfo
- Publication number
- CN106140398A CN106140398A CN201610735212.3A CN201610735212A CN106140398A CN 106140398 A CN106140398 A CN 106140398A CN 201610735212 A CN201610735212 A CN 201610735212A CN 106140398 A CN106140398 A CN 106140398A
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- China
- Prior art keywords
- vertical mill
- grinding disc
- mill
- shoulder hole
- row
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000000227 grinding Methods 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 title claims abstract description 68
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007599 discharging Methods 0.000 title claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/003—Shape or construction of discs or rings
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses novel automatic iron discharging formula grinding disc of vertical mill, including through grinding disc of vertical mill and the shoulder hole of the upper stop portion of collet, wherein collet is placed in the top of grinding disc of vertical mill, places pluggable row's ferrum mouth pin in shoulder hole, being additionally provided with air channel on grinding disc of vertical mill, air channel is also arranged above material scraping plate；Material scraping plate stretches in air channel, thus the difficult-to-grind materials got rid of in shoulder hole is scraped Vertical Mill.The novel automatic iron discharging formula grinding disc of vertical mill of the present invention, at grinding disc of vertical mill, by circumference at collet, processes shoulder hole, and blocks with pin in ladder.Material at vertical mill grinding difficulty mill, or when in material, the difficulty such as ferrum wears into part comparision contents height, open shoulder hole, make difficult-to-grind materials in the effect of centrifugal force, be distributed to the inner diameter location of collet, when material circumferentially moves, pass through shoulder hole, fall in air channel, discharge outside mill under the effect of material scraping plate, thus extend the service life of mill, grinding roller.
Description
Technical field
The present invention relates to technical field, particularly relate to novel automatic iron discharging formula grinding disc of vertical mill.
Background technology
This vertical grinder, collection is broken, be dried, grinding, classification are transported in one, and motor passes through reductor band movable grinding disc
Rotating, material falls mill central authorities from feed opening, moves to mill edge and is rolled by grinding roller under the influence of centrifugal force,
Material after pulverizing overflows from mill edge, simultaneously efficient by from vane thermal current band the most upwards to Vertical Mill one
In powder concentrator, return on mill after the sorting of coarse powder separated device, grinding again；Fine powder then goes out mill with air-flow, gathers dust in system
Device is collected, is product.
Traditional Vertical Mill, during production work, rubs between material and mill, is easily caused the abrasion of mill grinding roller,
Especially grinding compares the material that grindability is poor, iron-holder is high, and the ferrum in these materials is often spherical short grained form quilt
It is wrapped in inside material, such as slag, nickel slag etc..Through the extruding of grinding roller and grinding disk, these spheroidal particle are released, if
Can not discharge outside mill in time, be free on all the time between roller dish, cause roller mill to damage very big, have a strong impact on the normal operation of equipment,
Increase equipment operating cost.
Existing Application No. CN201120165774.1, entitled a kind of outer circulation deironing grinding equipment, vertical type transmission
Connecing high pressure grinding rolls on axle, high pressure grinding rolls is located on wear-resisting mill, and separating chamber top is powder-separating area, uniform four rotations outside separating chamber
Wind separator, cyclone separator top is connected with separating chamber top, and cyclone separator bottom is provided with fine powder collector, powder-separating area
Lower section is provided with middle coarse powder collection cone, and the air inlet of high pressure positive blower is located at separating chamber bottom, and return air duct one terminates high pressure positive blower, separately
One end is connected with cyclone separator top respectively.Employing rolls bed-grinding technology and outer circulation deferrization process, in equipment
Portion realizes particle classifying, and is got rid of by the iron tramp in powder in time, thus reduces the loss of iron and steel.By traditional vertical mill
Dish rotates, grinding roller is driven changes that mill is motionless, grinding roller rolls into, realizes particle classifying at device interior, work efficiency property high, in small, broken bits
Can be good.
Existing Application No. CN201110133455.7, entitled a kind of outer circulation iron power removing grinding process, belong to a kind of
Grinding process, outer circulation iron power removing grinding process hold concurrently grinding, except ferrum is integrated with classifying equipoment, the sub-material after rolling is by high speed gas
Stream is sorted after blowing afloat at swirl classifying, and fine powder is collected by after uniform four cyclone separator of air-flow band to surrounding, in thick
Powder slips outside mill along pipeline, enters the deironing device of pipeline of lower section, through the isolated iron tramp of tramp iron separator by deslagging after air valve
Mouth is discharged, and rest materials carries out grinding in entering circulating lifting machine, then feeding mill.Employing rolls bed-grinding technology and outer circulation
Deferrization process, realizes particle classifying at device interior, and is got rid of by the iron tramp in powder in time, thus reduce the damage of iron and steel
Consumption.Traditional grinding disc of vertical mill rotated, grinding roller is driven changes that mill is motionless, grinding roller rolls into, realizes particle classifying at device interior,
Work efficiency is high, Fine crushing performance is good, it is little to wear away, energy consumption is low, reduced investment, maintenance are safe and simple.
Above-mentioned patent application indicates the method and apparatus getting rid of scum, but when actually used, due to said structure
Relative complex with method, the cost of pulverizing can be increased, and roller mill damages the biggest, affects the normal operation of equipment, and
Increase equipment operating cost.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides this automatic iron discharging formula grinding disc of vertical mill, overcome existing
There is the weak point of grinding roller of vertical mill technology, it is provided that a kind of timely deslagging, more wear-resisting vertical grinder technology.
The technical solution adopted in the present invention is: novel automatic iron discharging formula grinding disc of vertical mill, including through grinding disc of vertical mill and
The shoulder hole of the upper stop portion of collet, wherein collet is placed in the top of grinding disc of vertical mill, places pluggable row in shoulder hole
Ferrum mouth pin, grinding disc of vertical mill is additionally provided with air channel, and air channel is also arranged above material scraping plate；Material scraping plate stretches in air channel, thus by ladder
The difficult-to-grind materials got rid of in hole scrapes Vertical Mill.
Further, shoulder hole successively decreases from the direction of collet to grinding disc of vertical mill, and row's ferrum mouth pin laminating shoulder hole is arranged.
Further, row's ferrum mouth pin is to be additionally provided with wearable overlay on ladder-type structure, and its outer surface.
Further, material scraping plate is driven by scraper motor, and scraper motor connects the control device of grinding disc of vertical mill, vertical
The device that controls of mill mill controls the duty of scraper motor.
Further, outside the air channel of grinding disc of vertical mill, it is additionally provided with tramp iron separator.
Use the method that the grinding disc of vertical mill of said structure gets rid of difficult-to-grind materials, first, lean at grinding disc of vertical mill and stop on collet
Process shoulder hole on circumference at Kou, and block with row's ferrum mouth pin in shoulder hole；At the material of vertical mill grinding difficulty mill, or
When the difficulty such as ferrum wears into part comparision contents height in material, use the instrument row's of taking-up ferrum mouth pin from grinding disc of vertical mill so that difficult-to-grind materials
With the spherical Ferrous particles exposed through the extruding of roller dish in the effect of centrifugal force, it is distributed to the inner diameter location of collet；When material edge
When circumferencial direction motion, above ladder row ferrum hole, it is slipped in air channel, discharges outside mill under the effect of material scraping plate, logical
Cross the timely go-no-go of tramp iron separator and go out production line；When in the good material of other grindability of grinding, material, iron content is little, just load onto special
Row's ferrum mouth pin, does not affect the normal operation of equipment.
Compared with prior art, the invention has the beneficial effects as follows: the novel automatic iron discharging formula grinding disc of vertical mill of the present invention,
Grinding disc of vertical mill, by circumference at collet, process shoulder hole, and block with pin in ladder.At vertical mill grinding difficulty mill
When the difficulty such as ferrum wears into part comparision contents height in material, or material, open shoulder hole so that difficult-to-grind materials is at the work of centrifugal force
With, it is distributed to the inner diameter location of collet, when material circumferentially moves, by shoulder hole, falls in air channel, scraping
Discharge outside mill under the effect of flitch, thus extend the service life of mill, grinding roller.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of novel automatic iron discharging formula grinding disc of vertical mill；
Fig. 2 is the three dimensional structure schematic diagram of row's ferrum mouth pin of the embodiment of Fig. 1；
Fig. 3 is row's ferrum mouth pin and the shoulder hole three dimensional structure schematic diagram on grinding disc of vertical mill of the embodiment of Fig. 2；
Wherein: 1-grinding disc of vertical mill, 2-collet, 3-shoulder hole, 4-arranges ferrum mouth pin, 5-air channel, 6-material scraping plate, and 7-removes ferrum
Device, 8-scraper motor, 9-wearable overlay, 10-difficult-to-grind materials.
Detailed description of the invention
In order to deepen the understanding of the present invention, the present invention is further described with embodiment below in conjunction with the accompanying drawings, this enforcement
Example is only used for explaining the present invention, does not constitute protection scope of the present invention and limits.
As it is shown in figure 1, novel automatic iron discharging formula grinding disc of vertical mill, including through grinding disc of vertical mill 1 and the upper seam of collet 2
The shoulder hole 3 at place, wherein collet 2 is placed in the top of grinding disc of vertical mill 1, places pluggable row's ferrum mouth pin 4 in shoulder hole 3, vertical
Being additionally provided with air channel 5 on mill mill 1, air channel 5 is also arranged above material scraping plate 6；Material scraping plate 6 stretches in air channel 5, thus by shoulder hole 3
The difficult-to-grind materials 10 of interior eliminating scrapes Vertical Mill, and why is set to shoulder hole 3 in the application, primarily to difficult-to-grind materials 10
When getting rid of, it is easily separated from grinding disc of vertical mill.
It can also be seen that shoulder hole 3 successively decreases from the direction of collet 2 to grinding disc of vertical mill 1 in Fig. 1, row's ferrum mouth pin 4 is fitted rank
Ladder hole 3 is arranged, thus ensures that shoulder hole 3, when the material that mill easily grinds, is blocked, it is to avoid material waste by Vertical Mill.Material scraping plate 6 leads to
Crossing scraper motor 8 to drive, and scraper motor 8 connects the control device of grinding disc of vertical mill, the control device of grinding disc of vertical mill controls to scrape
The duty of material motor 8, thus improve the automaticity of this row's ferrum Vertical Mill further, using effect is more preferably.Near Vertical Mill
Being additionally provided with tramp iron separator 7 outside the air channel 5 of mill 1, automatic effects is higher.
In conjunction with Fig. 1 and Fig. 2 it can be seen that row's ferrum mouth pin 4 is to be additionally provided with wear-resisting heap on ladder-type structure, and its outer surface
Layer 9, has longer service life.
Use the method that the grinding disc of vertical mill of said structure gets rid of difficult-to-grind materials, first, lean at grinding disc of vertical mill and stop on collet
Process shoulder hole on circumference at Kou, and block with row's ferrum mouth pin in shoulder hole；At the material of vertical mill grinding difficulty mill, or
When the difficulty such as ferrum wears into part comparision contents height in material, use the instrument row's of taking-up ferrum mouth pin from grinding disc of vertical mill so that difficult-to-grind materials
With the spherical Ferrous particles exposed through the extruding of roller dish in the effect of centrifugal force, it is distributed to the inner diameter location of collet；When material edge
When circumferencial direction motion, above ladder row ferrum hole, it is slipped in air channel, discharges outside mill under the effect of material scraping plate, logical
Cross the timely go-no-go of tramp iron separator and go out production line；When in the good material of other grindability of grinding, material, iron content is little, just load onto special
Row's ferrum mouth pin, does not affect the normal operation of equipment.
The novel automatic iron discharging formula grinding disc of vertical mill of the present invention, at grinding disc of vertical mill, by circumference at collet, processes rank
Ladder hole, and block with pin in ladder.At the material of vertical mill grinding difficulty mill, or in material, the difficulty such as ferrum wears into a part comparision contents
Gao Shi, opens shoulder hole so that difficult-to-grind materials, in the effect of centrifugal force, is distributed to the inner diameter location of collet, when material along
During circumferencial direction motion, by shoulder hole, fall in air channel, discharge outside mill under the effect of material scraping plate, thus extend mill, mill
The service life of roller.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as without departing from this
The spirit of invention, the most within the scope of the present invention.
Claims (6)
- The most novel automatic iron discharging formula grinding disc of vertical mill, it is characterised in that: include the upper of through grinding disc of vertical mill (1) and collet (2) The shoulder hole (3) of stop portion, wherein said collet (2) is placed in the top of grinding disc of vertical mill (1), places in described shoulder hole (3) Pluggable row's ferrum mouth pin (4), described grinding disc of vertical mill (1) is additionally provided with air channel (5), and described air channel (5) are also arranged above scraper Plate (6)；Described material scraping plate (6) stretches in air channel (5), thus the difficult-to-grind materials (10) got rid of in shoulder hole (3) is scraped Vertical Mill.
- Novel automatic iron discharging formula grinding disc of vertical mill the most according to claim 1, it is characterised in that: described shoulder hole (3) from Collet (2) successively decreases to the direction of grinding disc of vertical mill (1), and described row's ferrum mouth pin (4) laminating shoulder hole (3) is arranged.
- Novel automatic iron discharging formula grinding disc of vertical mill the most according to claim 2, it is characterised in that: described row's ferrum mouth pin (4) For being additionally provided with wearable overlay (9) on ladder-type structure, and its outer surface.
- Novel automatic iron discharging formula grinding disc of vertical mill the most according to claim 1, it is characterised in that: described material scraping plate (6) leads to Cross scraper motor (8) to drive, and described scraper motor (8) connects the control device of grinding disc of vertical mill, the control dress of grinding disc of vertical mill Put the duty controlling scraper motor (8).
- Novel automatic iron discharging formula grinding disc of vertical mill the most according to claim 1, it is characterised in that: near grinding disc of vertical mill (1) Air channel (5) outside be additionally provided with tramp iron separator (7).
- 6. use the method that the grinding disc of vertical mill of claim 1-5 any one gets rid of difficult-to-grind materials, it is characterised in that: first, Grinding disc of vertical mill is by processing shoulder hole on the circumference of stop portion on collet, and blocks with row's ferrum mouth pin in shoulder hole；At the material of vertical mill grinding difficulty mill, or when the difficulty such as ferrum wears into part comparision contents height in material, use instrument from vertical mill The row's of taking-up ferrum mouth pin on dish so that difficult-to-grind materials and through the roller dish spherical Ferrous particles that exposes of extruding in the effect of centrifugal force, point Cloth is to the inner diameter location of collet；When material circumferentially moves, by the top in ladder row ferrum hole, it is slipped in air channel, in the effect of material scraping plate Outside lower discharge mill, go out production line by the timely go-no-go of tramp iron separator；When iron content is little in the good material of other grindability of grinding, material, just loads onto special row's ferrum mouth pin, do not affect equipment Run well.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735212.3A CN106140398A (en) | 2016-08-26 | 2016-08-26 | Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method |
| PCT/CN2016/105290 WO2018035983A1 (en) | 2016-08-26 | 2016-11-10 | Novel vertical mill grinding disc capable of automatically expelling metal impurity and method for expelling difficult-to-grind material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735212.3A CN106140398A (en) | 2016-08-26 | 2016-08-26 | Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106140398A true CN106140398A (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610735212.3A Pending CN106140398A (en) | 2016-08-26 | 2016-08-26 | Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106140398A (en) |
| WO (1) | WO2018035983A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081192A (en) * | 2017-05-18 | 2017-08-22 | 广东博晖机电有限公司 | A kind of abrasion-proof backing block for ceramic raw material particulate abrasive |
| CN108014882A (en) * | 2017-12-27 | 2018-05-11 | 唐山博全实业有限公司 | A kind of Vertical Mill stablizes the device and application method of the bed of material |
| CN109759193A (en) * | 2019-01-25 | 2019-05-17 | 莱歇研磨机械制造(上海)有限公司 | A vertical mill grinding disc slag discharge hole structure |
| CN110270411A (en) * | 2019-06-27 | 2019-09-24 | 南京恒辉粉体技术工程有限公司 | A kind of mill pedestal |
| CN111822129A (en) * | 2020-07-22 | 2020-10-27 | 中材（天津）粉体技术装备有限公司 | Iron ore dry grinding and dressing device and process |
| CN114643108A (en) * | 2022-04-02 | 2022-06-21 | 天津水泥工业设计研究院有限公司 | Millstone material control device based on vertical roller mill |
| CN114643107A (en) * | 2022-04-02 | 2022-06-21 | 天津水泥工业设计研究院有限公司 | Manufacturing method of grinding roller material blocking assembly of vertical roller mill |
| CN115254373A (en) * | 2022-06-24 | 2022-11-01 | 河南黎明重工科技股份有限公司 | A scraper that is used for vertical roller to grind center feed |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081192A (en) * | 2017-05-18 | 2017-08-22 | 广东博晖机电有限公司 | A kind of abrasion-proof backing block for ceramic raw material particulate abrasive |
| CN108014882A (en) * | 2017-12-27 | 2018-05-11 | 唐山博全实业有限公司 | A kind of Vertical Mill stablizes the device and application method of the bed of material |
| CN109759193A (en) * | 2019-01-25 | 2019-05-17 | 莱歇研磨机械制造(上海)有限公司 | A vertical mill grinding disc slag discharge hole structure |
| CN110270411A (en) * | 2019-06-27 | 2019-09-24 | 南京恒辉粉体技术工程有限公司 | A kind of mill pedestal |
| CN111822129A (en) * | 2020-07-22 | 2020-10-27 | 中材（天津）粉体技术装备有限公司 | Iron ore dry grinding and dressing device and process |
| CN114643108A (en) * | 2022-04-02 | 2022-06-21 | 天津水泥工业设计研究院有限公司 | Millstone material control device based on vertical roller mill |
| CN114643107A (en) * | 2022-04-02 | 2022-06-21 | 天津水泥工业设计研究院有限公司 | Manufacturing method of grinding roller material blocking assembly of vertical roller mill |
| CN114643107B (en) * | 2022-04-02 | 2024-09-24 | 天津水泥工业设计研究院有限公司 | Manufacturing method of grinding roller blocking assembly of vertical roller mill |
| CN115254373A (en) * | 2022-06-24 | 2022-11-01 | 河南黎明重工科技股份有限公司 | A scraper that is used for vertical roller to grind center feed |
| CN115254373B (en) * | 2022-06-24 | 2024-05-14 | 河南黎明重工科技股份有限公司 | Scraping device for vertical roller mill center feeding |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018035983A1 (en) | 2018-03-01 |
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Application publication date: 20161123 |