CN108499665A - A kind of grinder - Google Patents
A kind of grinder Download PDFInfo
- Publication number
- CN108499665A CN108499665A CN201810310072.4A CN201810310072A CN108499665A CN 108499665 A CN108499665 A CN 108499665A CN 201810310072 A CN201810310072 A CN 201810310072A CN 108499665 A CN108499665 A CN 108499665A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- mill
- shaft
- mills
- disk
- 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
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
- B02C7/08—Crushing or disintegrating by disc mills with coaxial discs with vertical axis
-
- 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
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- 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
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
-
- 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
- B02C17/183—Feeding or discharging 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
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—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
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of grinders, including cylinder, the overflow port being set at the top of cylinder and the hollow rotating shaft for being inserted into cylinder lumen bottom from overflow port and not contacted with cylinder body bottom, and feed pipe is connected at the top of hollow rotating shaft；In shaft outer surface, spacer sleeve is equipped at least three mills, and unequal at a distance from least there are two the distances between adjacent mill between other adjacent mills in all mills.The present invention is using endfeed on hollow rotating shaft, and mill Unequal distance is staggered that grinding machine structure is simple, grinding effect is more preferable in shaft, making.
Description
Technical field
The present invention relates to a kind of grinders.
Background technology
Vertical lapping machine is very important equipment in prepared by superfine powder, have capacity usage ratio is high, product granularity is thin,
The advantages that grinding mechanism is superior, device structure is simple, therefore be current most promising one of research of super-pine crush equipment.By
, to the continuous exploitation of high-quality mineral products, domestic mineral resources are caused to tend to " poor, thin, miscellaneous ", it is therefore desirable to vertical mill in for a long time
Fine grinding is carried out to improve monomer degree of dissociation to mineral, provides necessary condition for subsequent effective sorting, therefore vertical mill is in gold
Belong to and being widely applied on mine.
Currently used vertical disk grinder generally comprises the components such as cylinder, shaft, mill, feed inlet and outlet, charging
It in such a way that bottom is fed, avoids medium ball from running out of when in order to feed, needs a set of control pressurer system ensure both can be with
Charging can prevent medium ball from running out of again, and control pressurer system is easily worn part, it is often necessary to repair.Mill structure is from most
First disc-shaped structure is improved to the not rounded plate-like mill of four claw types, is sleeved in shaft at equal intervals, and all mills are in space
Upper parallelly distribute on, that is, the orthographic projection of all mills overlap.The vertical disc type grinding machine structure of existing structure is complicated, grinding is imitated
Fruit is bad, and the discharging particle after grinding is uneven, often contains bulky grain.
Invention content
In view of the above-mentioned problems, the present invention is intended to provide a kind of good, the simple in structure grinder of grinding effect.
The technical solution that the present invention solves the problems, such as is：A kind of grinder, including cylinder, the overflow that is set at the top of cylinder
Mouthful, further include the hollow shaft be inserted into cylinder lumen bottom from overflow port and do not contacted with cylinder body bottom, in hollow shaft
Top is connected with feed pipe；
In shaft outer surface, spacer sleeve is equipped at least three mills, and at least there are two between adjacent mill in all mills
The distance between distance and other adjacent mills are unequal.
Said program changes original feeding structure, and shaft is made hollow shaft, from upper endfeed to cylinder body bottom, institute into
Material is gradually increasing from overflow port and is discharged after the grinding by mill.It is changed to after the mode of upper endfeed, can save
Traditional control pressurer system, is omitted easily worn part so that structure is simpler, and maintenance is easier.
The mill of Unequal distance is set so that is located at the particle speed of mill edge and the particle for not being located at mill edge
Speed is different, and the particle speed for being not at mill edge can change with spacing between adjacent mill and be changed, to
So that slurry forms speed difference during being ground in vertical direction, speed difference is bigger, and the collision between particle is fiercer,
Grinding effect is with regard to more preferable.
Further, be equipped between two neighboring mill and be sleeved on the sleeve of shaft outer surface, sleeve both ends respectively with
Two neighboring mill abuts.
On the one hand sleeve can separate two adjacent mills, the different spacing sizes between two adjacent mills can basis
The different length of sleeve is adjusted；On the other hand, shaft can be protected, the corrosion of slurry countershaft is prevented.
Specifically, each mill includes disk body, around the disk pawl of disk body setting.
Further, the disk pawl is equipped at intervals with multiple, and the disk pawl of adjacent mill is staggered, and adjacent mill disk pawl is just
It projects misaligned.
Being staggered is advantageous in that the path of relative motion of the slurry in process of lapping between particle can become longer,
Collision shearing is more abundant, and grinding effect is more preferable.
Preferably, the disk dog collar is laid with three around disk body.
Further, it is fixedly connected with sub-material rotor in shaft lower end, the sub-material rotor includes the hollow of bottom-open
Column pedestal, the discharge hole for surrounding pedestal side wall array setting, the feed opening being set at the top of pedestal；
The hollow cavity lower end of the feed opening and shaft is docked and connected.
The effect of sub-material rotor be to enter from main shaft hollow cavity bottom the slurry in grinding machine carry out centrifugation, by from
Mental and physical efforts throw away slurry from discharge hole, avoid that agglomeration phenomena occurs.
Further, the medium inlet for leading to cylinder lumen is equipped at the top of cylinder, being equipped in cylinder body bottom can be by medium
The media outlet of discharge.
Common abrasive media is medium ball, after having ground, when needing that medium ball is discharged, opens the valve of media outlet,
It pours water and medium ball can be gone out from medium inlet.
Further, it is equipped at the top of cylinder and slips stock tank, it is slope to slip stock tank bottom, and discharge port is equipped at slope foot；
The top height of the overflow port is slipped stock tank bottom.
The present invention remarkable result be：
1, the mode fed can be saved traditional control pressurer system, rapid wear portion is omitted using endfeed on hollow rotating shaft
Part keeps grinding machine structure simple, compact, and maintenance is easier in the case where realizing the function of persistently feeding.
2, mill Unequal distance is set in shaft, and can be adjusted by replacing the sleeve of different length, and slurry is ground
Speed difference is formed in vertical direction in journey, obtains best grinding effect.
3, it is interspersed between mill, the path of relative motion of the slurry in process of lapping between particle is promoted to become more
Long, collision shearing is more abundant, and grinding effect is more preferable.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the overall appearance schematic diagram of grinder of the present invention.
Fig. 2 is grinder perspective view of the present invention.
Fig. 3 is grinder internal structure front view of the present invention.
Fig. 4 is mill structural perspective.
Fig. 5 is sub-material rotor structure figure.
Fig. 6 is slurry grinding mechanism contrast schematic diagram.
In figure：1- shafts, 2- feed pipes, 3- sub-material rotors, 4- mills, 5- sleeves, 6- cylinders, 7- media outlets, 8- overflow
Head piece, 9- slip stock tank, 10- discharge ports, the medium inlets 11-, 31- pedestals, 32- discharge holes, 33- feed openings, 41- disk bodies, 42- disks
Pawl.
Specific implementation mode
As shown in Fig. 1~5, a kind of grinder, including cylinder 6, the overflow port 8 for being set to 6 top of cylinder.It is pushed up in cylinder 6
Portion is equipped with and slips stock tank 9.It is slope to slip 9 bottom of stock tank, and discharge port 10 is equipped at slope foot.The top height of the overflow port 8 is slipped
9 bottom of stock tank.
It further include the hollow shaft 1 be inserted into 6 intracavity bottom of cylinder from overflow port 8 and do not contacted with 6 bottom of cylinder.
It is connected with feed pipe 2 at hollow 1 top of shaft.
At least three mills 4 are housed in 1 outer surface spacer sleeve of shaft, and at least there are two adjacent mills in all mills 4
The distance between the distance between disk 4 and other adjacent mills 4 are unequal.Each mill 4 includes disk body 41, around disk body 41
The disk pawl 42 of setting.The disk pawl 42 is laid with three around disk body 41.The disk pawl 42 of adjacent mill 4 is staggered, i.e. phase
The orthographic projection of 4 disk pawl 42 of adjacent mill is misaligned.
The sleeve 5 for being sleeved on 1 outer surface of shaft is equipped between two neighboring mill 4.5 both ends of sleeve are respectively with adjacent two
A mill 4 abuts.It is sealed using sealing ring at abutting, for protecting shaft from slurry corrosion.
It is fixedly connected with sub-material rotor 3 in 1 lower end of shaft.The sub-material rotor 3 includes the hollow columnar seat of bottom-open
Body 31, the discharge hole 32 for surrounding pedestal 31 side wall array setting, the feed opening 33 for being set to 31 top of pedestal.The feed opening 33
It is docked and connected with the hollow cavity lower end of shaft 1.
It is equipped with the medium inlet 11 for leading to 6 inner cavity of cylinder at 6 top of cylinder, is equipped with and medium can be discharged in 6 bottom of cylinder
Media outlet 7.Abrasive media is medium ball.
Medium ball enters by medium inlet 11 in cylinder 6, and when grinder is run, slurry passes through shaft 1 by feed pipe 2
Hollow section, and being segregated into grinding machine drum body 6 by sub-material rotor 3,1 high-speed rotation of shaft, under the drive of mill 4,
Slurry is mixed with medium ball, and is collided, sheared, abrasive action.After a certain period of time, the object for meeting granularity requirements distribution is obtained
Material is entered by overflow port 8 and is slipped in stock tank 9, is reached discharge port 10 and is discharged.
Below for having the grinder there are six mill, illustrate that slurry forms the mechanism of speed difference in vertical direction.
As shown in fig. 6, left hand view mill spacing is different（From top to bottom, first three mill spacing a is equal, third to the 6th mill
Between spacing b it is equal, but b be less than a）, the spacing between all mills of right part of flg is equal, is a.
In the left hand view of Fig. 6, it is V1 to be located at the particle speed near mill, and spacing a particle speeds are V2, spacing b particles
Speed is V3.In the right part of flg of Fig. 6, particle speed only has V1, V2, since ore pulp can be considered that fluid is analyzed, by V1 fluids
It is considered as entirety with V2 fluids, then has whole fluid velocity Va.
In the right part of flg of Fig. 6, speed difference exists only in the position of mill and abrasive disk space；And in left hand view, whens spacing is not equal, mill
The position of disk and abrasive disk space is there are while speed difference, and there is also speed difference Va and Vb, this speed for grinding machine upper and bottom section
The presence of degree difference can not only strengthen grinding effect, while can provide power resources for slurry ascending motion.
Claims (8)
1. a kind of grinder, including cylinder（6）, be set to cylinder（6）The overflow port at top（8）, it is characterised in that：Further include from
Overflow port（8）It is inserted into cylinder（6）Intracavity bottom and not with cylinder（6）The hollow shaft of bottom contact（1）, turn in hollow
Axis（1）Top is connected with feed pipe（2）；
In shaft（1）Outer surface spacer sleeve is equipped at least three mills（4）, and in all mills（4）In at least there are two adjacent
Mill（4）The distance between with other adjacent mills（4）The distance between it is unequal.
2. grinder according to claim 1, it is characterised in that：In two neighboring mill（4）Between be equipped be sleeved on turn
Axis（1）The sleeve of outer surface（5）, sleeve（5）Both ends respectively with two neighboring mill（4）It abuts.
3. grinder according to claim 1, it is characterised in that：Each mill（4）Including disk body（41）, around disk body
（41）The disk pawl of setting（42）.
4. grinder according to claim 3, it is characterised in that：The disk pawl（42）It is equipped at intervals with multiple, adjacent mill
（4）Disk pawl（42）It is staggered, adjacent mill（4）Disk pawl（42）Orthographic projection it is misaligned.
5. grinder according to claim 3 or 4, it is characterised in that：The disk pawl（42）Around disk body（41）Lay
There are three.
6. grinder according to claim 1, it is characterised in that：In shaft（1）Lower end is fixedly connected with sub-material rotor
（3）, the sub-material rotor（3）Hollow columnar pedestal including bottom-open（31）, around pedestal（31）The setting of side wall array
Discharge hole（32）, be set to pedestal（31）The feed opening at top（33）；
The feed opening（33）With shaft（1）Hollow cavity lower end be docked and connected.
7. grinder according to claim 1, it is characterised in that：In cylinder（6）Top, which is equipped with, leads to cylinder（6）Inner cavity
Medium inlet（11）, in cylinder（6）Bottom is equipped with the media outlet that medium can be discharged（7）.
8. grinder according to claim 1, it is characterised in that：In cylinder（6）Top is equipped with and slips stock tank（9）, slip stock tank
（9）Bottom is slope, and discharge port is equipped at slope foot（10）；
The overflow port（8）Top height slip stock tank（9）Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310072.4A CN108499665A (en) | 2018-04-09 | 2018-04-09 | A kind of grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310072.4A CN108499665A (en) | 2018-04-09 | 2018-04-09 | A kind of grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108499665A true CN108499665A (en) | 2018-09-07 |
Family
ID=63381320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310072.4A Pending CN108499665A (en) | 2018-04-09 | 2018-04-09 | A kind of grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108499665A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433340A (en) * | 2018-11-12 | 2019-03-08 | 长沙万荣粉体设备科技有限公司 | A kind of vertical grinder |
| CN109675702A (en) * | 2018-12-06 | 2019-04-26 | 赖庆生 | A kind of chemical granule raw material fine gtinding device |
| CN111250224A (en) * | 2019-07-26 | 2020-06-09 | 湖北迈兆机械有限公司 | Centrifugal grinding separator |
| WO2022128195A1 (en) * | 2020-12-17 | 2022-06-23 | Metso Outotec Finland Oy | A system for a vertical grinding mill, a replacement kit of wear segments, a kit of wear protection elements and a vertical grinding mill |
| CN116851099A (en) * | 2023-07-11 | 2023-10-10 | 浙江艾领创矿业科技有限公司 | Small-size ring dislocation distribution's stirring structure and contain its sand mill |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2097307A5 (en) * | 1970-07-01 | 1972-03-03 | Roncin Didier | Pulverising mixer - simple robust machine processes emulsions dispersions |
| CN102357387A (en) * | 2011-07-19 | 2012-02-22 | 刘国俊 | Turbine reaction composite vertical mill |
| CN203425800U (en) * | 2013-08-09 | 2014-02-12 | 江苏淮河化工有限公司 | Self-priming integrated membrane reactor |
| CN104815728A (en) * | 2014-01-30 | 2015-08-05 | Netzsch精细研磨技术有限公司 | Device for comminuting solids or suspensions containing solids and method for starting a comminuting process of a milling device |
| CN207042597U (en) * | 2017-06-12 | 2018-02-27 | 中际山河科技有限责任公司 | A kind of grinder |
| CN207187872U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | A kind of grinder of new structure |
| CN207187873U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | One kind grinding barrel structure |
| CN207187885U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | A kind of high efficiency grinder |
| CN208288115U (en) * | 2018-04-09 | 2018-12-28 | 中际山河科技有限责任公司 | A kind of grinder |
-
2018
- 2018-04-09 CN CN201810310072.4A patent/CN108499665A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2097307A5 (en) * | 1970-07-01 | 1972-03-03 | Roncin Didier | Pulverising mixer - simple robust machine processes emulsions dispersions |
| CN102357387A (en) * | 2011-07-19 | 2012-02-22 | 刘国俊 | Turbine reaction composite vertical mill |
| CN203425800U (en) * | 2013-08-09 | 2014-02-12 | 江苏淮河化工有限公司 | Self-priming integrated membrane reactor |
| CN104815728A (en) * | 2014-01-30 | 2015-08-05 | Netzsch精细研磨技术有限公司 | Device for comminuting solids or suspensions containing solids and method for starting a comminuting process of a milling device |
| CN207042597U (en) * | 2017-06-12 | 2018-02-27 | 中际山河科技有限责任公司 | A kind of grinder |
| CN207187872U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | A kind of grinder of new structure |
| CN207187873U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | One kind grinding barrel structure |
| CN207187885U (en) * | 2017-07-31 | 2018-04-06 | 浙江华宝油墨有限公司 | A kind of high efficiency grinder |
| CN208288115U (en) * | 2018-04-09 | 2018-12-28 | 中际山河科技有限责任公司 | A kind of grinder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433340A (en) * | 2018-11-12 | 2019-03-08 | 长沙万荣粉体设备科技有限公司 | A kind of vertical grinder |
| CN109675702A (en) * | 2018-12-06 | 2019-04-26 | 赖庆生 | A kind of chemical granule raw material fine gtinding device |
| CN111250224A (en) * | 2019-07-26 | 2020-06-09 | 湖北迈兆机械有限公司 | Centrifugal grinding separator |
| CN111250224B (en) * | 2019-07-26 | 2023-11-24 | 湖北迈兆机械有限公司 | Centrifugal grinding separator |
| WO2022128195A1 (en) * | 2020-12-17 | 2022-06-23 | Metso Outotec Finland Oy | A system for a vertical grinding mill, a replacement kit of wear segments, a kit of wear protection elements and a vertical grinding mill |
| CN116851099A (en) * | 2023-07-11 | 2023-10-10 | 浙江艾领创矿业科技有限公司 | Small-size ring dislocation distribution's stirring structure and contain its sand mill |
| CN116851099B (en) * | 2023-07-11 | 2023-12-08 | 浙江艾领创矿业科技有限公司 | Small-size ring dislocation distribution's stirring structure and contain its sand mill |
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