CN106914312A - A kind of whole grinding vertical - Google Patents
A kind of whole grinding vertical Download PDFInfo
- Publication number
- CN106914312A CN106914312A CN201710304497.XA CN201710304497A CN106914312A CN 106914312 A CN106914312 A CN 106914312A CN 201710304497 A CN201710304497 A CN 201710304497A CN 106914312 A CN106914312 A CN 106914312A
- Authority
- CN
- China
- Prior art keywords
- mill
- vertical
- grinding
- warehouse
- grinding roller
- 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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/06—Mills with rollers forced against the interior of a rotary ring, e.g. under spring action
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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
- B02C15/003—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
- B02C15/004—Shape or construction of rollers or balls
-
- 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
-
- 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
- B02C23/02—Feeding devices
-
- 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
- B02C23/04—Safety devices
-
- 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
- B02C2015/008—Roller drive arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a kind of whole grinding vertical, including mill and grinding roller, also including Vertical Mill warehouse, the mill is arranged on Vertical Mill warehouse bottom middle position, and mill bottom is connected with reductor, and reductor is connected with main motor；The center of the mill top surface is plane non-ground area, and edge outwards gradually rises extension and forms cambered surface milling zone；Blanking device is provided with the crown center position of Vertical Mill warehouse；The grinding roller is inclined and is fixed on arc milling zone top, and is connected with hydraulic spring mechanism.The present invention according to material and can not only can require any regulation unit pressure according to crushing to be achieved, with high-energy utilization rate and less equipment size, and the specific energy consumption reduction by more than 15~25% of the low grinding verticals more whole than pressure of the low Xiang Bi≤0.8MPa of maintenance cost, compared to the specific energy consumption reduction by more than 20~30% of roll squeezer, with significant energy-saving effect.
Description
Technical field
The present invention relates to a kind of technical field of engineering machinery, more particularly to a kind of whole grinding vertical.
Background technology
Material with hard fragility matter generally carries out grinding in ball mill, in recent years more and more in Vertical Mill and roll-in
Realized in machine, but roll squeezer and Vertical Mill are respectively present following shortcoming：
1. roll squeezer
Roll squeezer generally with very high than pressure work, causes the wear-resistant roller surface life-span relatively low, and its maintenance cost is higher；And
The edge fail that both sides material leakage is brought can cause mill efficiency reduction by 20~30%, and then cause the internal circulating load to increase, specific energy consumption
Increase；In the form of sheets, sphericity is poor, causes cement performance not conform to for the grain shape that what is more important roll squeezer end grinding is produced
Lattice.Above-mentioned reason causes it cannot to be used directly as end milling equipment.
2. low than pressure Vertical Mill
It is low to be often designed as interior circulation Vertical Mill form than pressure Vertical Mill, and entered into powder concentrator using wind model material particles
Row sorting, commonly greater than 40 metre per second (m/s)s, high speed dust washes away causes the mill roll sleeve life-span shorter to wind speed, while wind at its spout ring
Power conveying causes energy consumption higher, does not meet the developing direction of national energy-saving consumption reduction.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of whole grinding vertical, its have high-energy utilization rate,
Less equipment size and less maintenance cost, with significant energy-saving effect.
The technical solution adopted for the present invention to solve the technical problems is：A kind of whole grinding vertical, including mill and grinding roller,
Also include Vertical Mill warehouse, the mill is arranged on Vertical Mill warehouse bottom middle position, and mill bottom is connected with reductor, slow down
Machine is connected with main motor；The center of the mill top surface is plane non-ground area, and edge outwards gradually rises extension and formed
Cambered surface milling zone；Blanking device is provided with the crown center position of Vertical Mill warehouse；The grinding roller is inclined and is fixed on arc milling zone
Top, and be connected with hydraulic spring mechanism；The ratio of the roll neck D of the grinding roller and central diameter Dt of mill is 0.4~0.8, described
The ratio of the width B and mill central diameter Dt of grinding roller is 0.1~0.3.
As further preferred embodiment, blocking material ring is provided with the top of the mill edge.
Used as further preferred embodiment, the blocking material ring is subsection setup, the position of every section of blocking material ring and height
It is adjustable.
Used as further preferred embodiment, the blanking device is liftable type, and blanking device is provided with metal spy
Survey instrument.
Used as further preferred embodiment, the angle between the center line and horizontal plane of the grinding roller is 10~20 degree.
As further preferred embodiment, mass flow measurement apparatus are provided with the blanking device.
As further preferred embodiment, exhaust apparatus is additionally provided with the top of the Vertical Mill warehouse.
Between blanking being left as further preferred embodiment, between the mill lateral wall and the inwall of Vertical Mill warehouse
Gap, the Vertical Mill warehouse bottom below blanking gap is feeding zone, and material scraping plate is provided with feeding zone.
As further preferred embodiment, the ratio of the roll neck D of the grinding roller and central diameter Dt of mill for 0.45~
0.65；The ratio of the width B and mill central diameter Dt of the grinding roller is 0.15~0.25.
Used as further preferred embodiment, the roller set of the grinding roller uses the liner plate of tyre type, the mill to use
Fluted body.
The positive effect of the present invention：The present invention can not only can appoint according to material and according to crushing requirement to be achieved
Meaning regulation unit pressure, until 1.2MPa, with high-energy utilization rate and less equipment size, and maintenance cost is low, compares
The specific energy consumption reduction by more than 15~25% of the low grinding verticals more whole than pressure of≤0.8MPa, compared to the specific energy consumption reduction by 20 of roll squeezer
More than~30%, with significant energy-saving effect.The present invention can be applicable to the industries such as cement building material, coal, steel, thermal power generation
In, with wide market application foreground.
Brief description of the drawings
Fig. 1 is the structural representation of whole grinding vertical described in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Reference picture 1, the preferred embodiment of the present invention provides a kind of whole grinding vertical, including mill 6 and grinding roller 8, also including vertical
Mill warehouse 11, the mill 6 is arranged on the bottom middle position of Vertical Mill warehouse 11, and the bottom of mill 6 is connected with reductor 5, slows down
Machine 5 is connected with main motor 1, and the output speed of the main motor 1 can be adjusted；Ground for plane is non-at the center of the top surface of the mill 6
Mill area, edge outwards gradually rises extension and forms cambered surface milling zone；It is provided with down at the crown center position of Vertical Mill warehouse 11
Material device 4；The grinding roller 8 is inclined and is fixed on arc milling zone top, in order to produce grinding forces, the grinding roller 8 with it is at least a set of
Hydraulic spring mechanism 10 is connected；The ratio of the roll neck D of the grinding roller 8 and central diameter Dt of mill 6 is 0.4~0.8, the grinding roller 8
The ratio of width B and the central diameter Dt of mill 6 be 0.1~0.3.
It is provided with the top of the edge of the mill 6 for laterally limiting material bed blocking material ring 2, it is preferred that the gear
Material ring 2 can be subsection setup, the position of every section of blocking material ring and height adjustable.
The blanking device 4 is liftable type, and blanking device 4 is provided with metal detector 3.
Angle between the center line and horizontal plane of the grinding roller 8 is 15 degree.
Mass flow measurement apparatus are provided with the blanking device 4, by means of this blanking device 4, are fed and mill circumference
Speed proportionally mass flow so that the thickness of feed layer near constant on mill.Preferably, the mill center is non-grinds
Mill area be provided with thickness of feed layer measurement apparatus, for compound enter roll gap in mill before, during running continuously
Measurement and display thickness of feed layer.
The top of the Vertical Mill warehouse 11 is additionally provided with exhaust apparatus 7, and this exhaust apparatus mainly serves and gathers dust.
Blanking gap, the Vertical Mill below blanking gap are left between the inwall of the lateral wall of the mill 6 and Vertical Mill warehouse 11
Warehouse bottom is feeding zone, and material scraping plate 9 is provided with feeding zone.Preferably, the material scraping plate (9) uses monolithic construction (non-biography
System split blade type structure)；Material scraping plate 9 is connected with mill 6, drives it to rotate by mill 6.
The ratio of the roll neck D of the grinding roller and central diameter Dt of mill is preferably 0.45~0.65；The width B of the grinding roller with
The ratio of mill central diameter Dt is preferably 0.15~0.25.
The roller set of the grinding roller 8 uses the liner plate of tyre type, the mill 6 to use fluted body.Preferably, mill roll sleeve with
The loading surface of lining board for grinding discs is wear-resistant surface that is anti abrasive and being hardened by means such as built-up welding, heat treatment or machinings.
Material is fed mill by this preferred embodiment by blanking device 4 from center, can cause material thickness of feed layer more
Plus it is uniform；Can be interlocked in the bulk metal foreign matter in detecting material additionally by metal detector 3 and stop main motor 1,
So as to protect wear-resistant roller surface, abnormal flake is prevented, increased the service life.
The compound being generally made up of new material and recycle stock is fed by blanking device 4, used as regulation and lateral
The bed of material with predetermined thickness for limiting is fed on the mill 6 for being provided with blocking material ring 2, and compound is accelerated to mill speed simultaneously
And be continuously transferred in the gap that grinding roller is constituted with mill, hydraulic spring mechanism 10 provides unit pressure needed for grinding roller, its
What is provided is more adjustable in 0.8~1.2MPa than pressure value, is realized in the case of particularly preferred 0.9~1.1MPa special to different material
Property and expected yield rate loading grinding.Centrifugal acceleration needed for the offer mill 6 of main motor 1, acceleration is in 1.0~1.7g models
Enclose interior adjustable, the regulation to thruput is realized in continuous change in the range of particularly preferred 1.1~1.5g.
During using product of the present invention, material feeds from blanking device 4, by after metal detector 3, being supplied to mill 6
Center non-ground area, material is uniform to the side shifting of blocking material ring 2 under mill centrifugal action, and material enters blocking material ring 2 and mill 6
The area that mills formed between grinding roller 8, the grinding power F that grinding roller 8 provides hydraulic spring mechanism 10 is delivered on material, makes to own
After material is stressed and shears grinding in the case of the high specific pressure (0.9~1.1MPa), material crosses blocking material ring 2 and enters blanking
Area, is discharged outside mill material by material scraping plate 9.
Product of the present invention with known roll squeezer and it is low than pressure Vertical Mill compared with, with many other advantages.This new end
The advantage of grinding vertical, from terms of technical elements, can obtain capacity usage ratio high, and with less equipment size and weight
Amount, maintenance cost is low, the low grinding vertical specific energy consumption reductions by more than 15~25% more whole than pressure of Xiang Bi≤0.8MPa, compared to roll squeezer
Specific energy consumption reduction by more than 20~30%, with significant energy-saving effect.
Above-described is only the preferred embodiments of the present invention, and the explanation that should be understood that above example is use
In helping understand the method for the present invention and its core concept, the protection domain being not intended to limit the present invention is all of the invention
Any modification, equivalent for being made within thought and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of whole grinding vertical, including mill and grinding roller, it is characterised in that：Also include Vertical Mill warehouse, the mill is arranged on
Vertical Mill warehouse bottom middle position, mill bottom is connected with reductor, and reductor is connected with main motor；The mill top surface
Center is plane non-ground area, and edge outwards gradually rises extension and forms cambered surface milling zone；The crown center of Vertical Mill warehouse
Blanking device is provided with position；The grinding roller is inclined and is fixed on arc milling zone top, and is connected with hydraulic spring mechanism；It is described
The ratio of the roll neck D of the grinding roller and central diameter Dt of mill is 0.4~0.8, and width B and the ratio of mill central diameter Dt of the grinding roller are
0.1~0.3.
2. a kind of whole grinding vertical according to claim 1, it is characterised in that：It is provided with the top of the mill edge
Blocking material ring.
3. a kind of whole grinding vertical according to claim 2, it is characterised in that：The blocking material ring is subsection setup, every section
The position of blocking material ring and height adjustable.
4. a kind of whole grinding vertical according to claim 1 or 2 or 3, it is characterised in that：The blanking device is liftable
Type, blanking device is provided with metal detector.
5. a kind of whole grinding vertical according to claim 1 or 2 or 3, it is characterised in that：The center line and water of the grinding roller
The angle of interplanar is 10~20 degree.
6. a kind of whole grinding vertical according to claim 1, it is characterised in that：Mass flow is provided with the blanking device
Measurement apparatus.
7. a kind of whole grinding vertical according to claim 1, it is characterised in that：The row of being additionally provided with the top of the Vertical Mill warehouse
Device of air.
8. a kind of whole grinding vertical according to claim 1, it is characterised in that：The mill lateral wall and Vertical Mill warehouse
Blanking gap is left between inwall, the Vertical Mill warehouse bottom below blanking gap is feeding zone, and material scraping plate is provided with feeding zone, this
Material scraping plate is connected with mill.
9. a kind of whole grinding vertical according to claim 1, it is characterised in that：In the roll neck D and mill of the grinding roller
The ratio of footpath Dt is 0.45~0.65；The ratio of the width B and mill central diameter Dt of the grinding roller is 0.15~0.25.
10. a kind of whole grinding vertical according to claim 1, it is characterised in that：The roller set of the grinding roller uses tyre type,
The liner plate of the mill uses fluted body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304497.XA CN106914312A (en) | 2017-05-03 | 2017-05-03 | A kind of whole grinding vertical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304497.XA CN106914312A (en) | 2017-05-03 | 2017-05-03 | A kind of whole grinding vertical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106914312A true CN106914312A (en) | 2017-07-04 |
Family
ID=59568668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710304497.XA Pending CN106914312A (en) | 2017-05-03 | 2017-05-03 | A kind of whole grinding vertical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106914312A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399054A (en) * | 2021-06-24 | 2021-09-17 | 阳新娲石水泥有限公司 | Vertical roller mill capable of stabilizing material layer and improving grinding efficiency and roller milling method |
| CN114682373A (en) * | 2022-04-03 | 2022-07-01 | 南京凯盛国际工程有限公司 | External circulation vertical mill monitoring device system with variable input rotating speed and intelligent control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050239376A1 (en) * | 2002-07-17 | 2005-10-27 | Erwin Junker | Method and device for grinding a rotating roller using an elastic steady-rest support |
| CN103599827A (en) * | 2013-11-13 | 2014-02-26 | 佛山市博晖机电有限公司 | Vertical mill device for milling ceramic raw materials |
| CN104001587A (en) * | 2014-06-03 | 2014-08-27 | 南京凯盛国际工程有限公司 | Novel material grinding device |
| CN104437757A (en) * | 2014-09-23 | 2015-03-25 | 南京凯盛国际工程有限公司 | Pre-grinding vertical mill |
| US20160271615A1 (en) * | 2013-11-05 | 2016-09-22 | Changsha Shenxiang Universal Machine Co., Ltd. | Roller mill |
| CN207324971U (en) * | 2017-05-03 | 2018-05-08 | 南京凯盛国际工程有限公司 | A kind of end grinding vertical |
-
2017
- 2017-05-03 CN CN201710304497.XA patent/CN106914312A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050239376A1 (en) * | 2002-07-17 | 2005-10-27 | Erwin Junker | Method and device for grinding a rotating roller using an elastic steady-rest support |
| US20160271615A1 (en) * | 2013-11-05 | 2016-09-22 | Changsha Shenxiang Universal Machine Co., Ltd. | Roller mill |
| CN103599827A (en) * | 2013-11-13 | 2014-02-26 | 佛山市博晖机电有限公司 | Vertical mill device for milling ceramic raw materials |
| CN104001587A (en) * | 2014-06-03 | 2014-08-27 | 南京凯盛国际工程有限公司 | Novel material grinding device |
| CN104437757A (en) * | 2014-09-23 | 2015-03-25 | 南京凯盛国际工程有限公司 | Pre-grinding vertical mill |
| CN207324971U (en) * | 2017-05-03 | 2018-05-08 | 南京凯盛国际工程有限公司 | A kind of end grinding vertical |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399054A (en) * | 2021-06-24 | 2021-09-17 | 阳新娲石水泥有限公司 | Vertical roller mill capable of stabilizing material layer and improving grinding efficiency and roller milling method |
| CN113399054B (en) * | 2021-06-24 | 2023-09-12 | 阳新娲石水泥有限公司 | Vertical roller mill capable of stabilizing material layer and improving grinding efficiency and roller milling method |
| CN114682373A (en) * | 2022-04-03 | 2022-07-01 | 南京凯盛国际工程有限公司 | External circulation vertical mill monitoring device system with variable input rotating speed and intelligent control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170704 |
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| RJ01 | Rejection of invention patent application after publication |