CN1035961A - Cage type pulverizer - Google Patents
Cage type pulverizer Download PDFInfo
- Publication number
- CN1035961A CN1035961A CN 88108513 CN88108513A CN1035961A CN 1035961 A CN1035961 A CN 1035961A CN 88108513 CN88108513 CN 88108513 CN 88108513 A CN88108513 A CN 88108513A CN 1035961 A CN1035961 A CN 1035961A
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- rolling disc
- grinding
- fixed disk
- type pulverizer
- cage type
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- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the cage type pulverizer of wet milling, it is combined as a whole match mechanisms such as body, screw feeder, pressure tester, make-up water device, annular spray pipe.The present invention makes full use of the effect that centrifugal force field is ground, sheared and impact, and the cage type pulverizer of efficient height, wet production mica powder of wet process that energy consumption is little and compact is provided, and realizes continuous-feeding, ore grinding and continuous pulp discharge continuously simultaneously.
Description
The invention belongs to flour mill.
In the prior art, the machinery that carries out wet method processing mica powder of wet process has stirring powder grinding machine, slot type flour mill, grinding mill etc., but the grinding mill volume is big, energy consumption is high, efficient is low, stirring powder grinding machine, slot type flour mill complex process.
The defective that The present invention be directed in the prior art is improved a kind of cage type pulverizer that designs, and this flour mill energy consumption is low, volume is little, can realize continuous-feeding, continuous ore grinding and continuous pulp discharge, is the flour mill that a kind of wet method is processed fine mica powder of wet process.
Cage type pulverizer (figure one) is by cover plate or deserve to be called fixed disk (5), cylindrical shell (8), chassis (14), rolling disc (10), lower fixed disk several critical pieces such as (13) and form, and forms an enclosed cage grinding body.Cover plate is equipped with on (5): drainage conduit (4), power transmission shaft (2), pressure tester (16), make-up water device (3), excellent tooth or deserve to be called fixed teeth (6) are equipped with sealing shroud (15) at the turning cylinder position.
The concentric circles that last fixed teeth (6) on the cover board is two different radiis evenly distribute (seeing figure four)
Cylindrical shell (8) bottom is equipped with screw feeder (20), and the annular spray pipe (7) of cooling usefulness is installed in cylindrical shell (8) outside.
Lower fixed disk (13) is installed on the chassis (14), excellent tooth is installed on the lower fixed disk (13) or claims fixed teeth (12) down, excellent tooth is directed upwardly.Following fixed teeth (12) also is two different radiis on lower fixed disk (13) concentric circles evenly distribute (seeing figure five).
Rolling disc (10) is positioned at the middle part of cylindrical shell (8), is connected by power transmission shaft (2) and hangs wherein.Rolling disc (10) top is equipped with excellent tooth or deserves to be called turning gear (9), is directed upwardly.Rolling disc (10) bottom is equipped with excellent tooth or claims turning gear (11) down, and direction down.
In conjunction with figure one, figure three, last turning gear (9) is two different radii concentric circles and evenly distributes on rolling disc (10), and the concentric circles different with two radiuses on the last fixed disk (5) the last fixed teeth of the arranging fragment position that spatially staggers.Following turning gear (11) is two different concentric circles of radius and evenly distributes on rolling disc, the following fixed teeth that the concentric circles different with two radiuses on the lower fixed disk (13) the arranged fragment position that spatially staggers, rolling disc (10) has empty gap (18) rotating up and down between tooth (9), (11), and between the cylindrical shell (8) also gapped (19), ore grinding district (17) is communicated with following ore grinding district (21).
All excellent teeth all are tapered rods tooth (figure two) in the flour mill cylindrical shell, during installation, tapered rods crown portion towards opposite with the rotating disk rotation direction.
Main points of the present invention have been to provide the rolling disc at vertical drive shaft drive nearly middle part in the grinding cylindrical shell, the position up and down of rolling disc, circumference according to four different radiis, the tapered rods tooth of the circle-shaped distributions of two rows respectively has been installed up and down, promptly go up turning gear and following turning gear, and the grinding cylindrical shell is divided into two grinding districts (ore grinding district), rolling disc top be grinding district, top, in the rolling disc bottom is grinding district, bottom.Grinding district, top is by last fixed disk, last hold-down bars tooth, and last rotary bar tooth and top cylindrical shell are formed; Grinding district, bottom is made up of lower fixed disk, following hold-down bars tooth, bottom rotary bar tooth and bottom cylindrical shell.Because the rotation of the high speed of rolling disc drives rolling disc rotary bar tooth depth speed rotation up and down.When pressing 30～80% concentration, granularity is 4～8mm, through the garrulous mica slurry (hereinafter to be referred as material) that soaks more than 20 hours, when dispenser is given grinding district, people bottom, the effect of the centrifugal force field that material rotates at a high speed by rolling disc is also along with rotatablely moving, and move upward along the centrifugal force direction, be subjected to down immediately the percussion of the following rotary bar tooth of the retardation of hold-down bars tooth and rotation this moment in the material movement process, material is ground, shear and impact, material is pulverized, because material is constantly given the people, pulverized material is along with effect of centrifugal force, and material is squeezed into grinding district, top by the gap between gap and rolling disc and cylindrical shell from rolling disc.In top grinding district, because the high speed rotary motion of rolling disc and top turning gear, the rotary bar tooth carries out strong grinding, shearing and impact to the material of clamp-oning with centrifugal force field, and the material that rotatablely moves also is subjected to the retardation of fixed disk, like this, increased material for the second time by the intensity of grinding, shearing and percussion, material is further pulverized.At this moment, the fine pulpous state granular material by grinding under the effect of centrifugal force field, is extruded drainage conduit.
Material strongly by in the process of grinding, has produced a large amount of heats in the grinding cylindrical shell.This heat energy causes the moisture in the interior pasty material of grinding cylindrical shell to distribute, and makes mobile variation.Simultaneously, because heat energy is excessive, material is softened the back and more difficult grinding.For this reason, in the cylindrical shell outside annular cooling water pipe unit has been installed, regulate the surface temperature of cylindrical shell, play the boundless and indistinct mace of heat radiation cooked food and water widely different the closely questioning of shelves village Cai and how to reveal magpie any health and imitate before the A hard and infertile fried twisted dough sticks humiliation the uncommon of Jing and wave and know the blind stilbene ream of handkerchief and show proud disrespectful V of Huan's haze dirt father of the tired male offspring's oar of the bucktooth deep blue of popular lip cooked food lemon of being greedy for money or food and lead and cut off from ring and rectify that to show favour to the widely different forget ream of Mian oil Cai system be that the loyal of scrapes the narrow saddle cloth of ream and plants that the blind emerging sincere feeling of kohlrabi of the excellent handkerchief of disagreement Xi ream free time rapids Macrophylla is faint-hearted also to play cooling effect on the other hand, make grinding function operate as normal.Cooling water and make-up water can be regulated as required, and flow is too big or too little all unfavorable to grinding.
Specification, quantity and the shape of the excellent tooth on last fixed disk, lower fixed disk and the rolling disc of flour mill (as figure two, three, four, five) all will be strict with, otherwise can directly influence grinding effect.In general, it is many that the quantity of hold-down bars tooth is wanted, and length is longer; The quantity of turning gear will be lacked slightly, and length will be lacked.Last fixed teeth has 17,11 of outer rings, and inner ring has 6 (as figure four).Following fixed teeth has 16,8 of outer rings, 8 of inner rings (as figure five).Turning gear is totally 8 on the rolling disc, 4 of outer rings; Following turning gear has 6,2 of outer rings, 4 of inner rings (seeing figure three).
The long l of the tooth of upper and lower fixed teeth is 6～8cm, and the long l of the tooth of turning gear is 4～6cm.The shape of all excellent teeth all is tapered rods tooth (as figure two).
For reaching set grinding effect, also need control the granularity of material, generally more suitable between 4～8mm.
The concentration of feed not only has a direct impact grinding effect, and directly has influence on the operate as normal of flour mill.Concentration is excessive, and the effect of grinding, shearing and impacting reduces the grinding effect variation.Concentration is too small, and dispenser can't be given material in people's cylindrical shell, even given into, also can return out from dispenser, and the optium concentration of material generally is 30～80%.Material generally also should soak more than 20 hours.
The rotating speed of power transmission shaft has a significant impact grinding effect.Rotating speed is excessive or too smallly all grinding effect is had a direct impact, and rotating speed generally should be controlled within the scope of 720～3100r/min.
The effect of feeder device mainly is within a certain period of time, dosing and balanced feed under certain speed conditions, and the treating capacity of feeding coal and flour mill keeps balance, and the rotating speed of dispenser is controlled between 50～70r/min.
The effect of pressure tester is the pressure size in the control grinding cylindrical shell.Pressure is excessive, illustrates that grinding cylindrical shell heat steam is excessive, and moisture loss is too much, and supplementing water strengthens cooling water inflow immediately, adjusts the pressure in the grinding cylindrical shell, reaches desirable grinding effect.General pressure must be controlled 0.2～0.4kg/cm
2Between.
Process mica powder of wet process according to cage type pulverizer of the present invention and grinding method thereof, quality is good, and energy consumption is little, is a kind of flour mill that can realize continuous-feeding, continuous ore grinding and continuous pulp discharge.
Embodiment: by the newborn output average out to of 74 μ m unit power consumptions 2.63kg/kwh, be 2.2kg/kwh by the newborn output of 43 μ m unit power consumptions, treating capacity can reach 40～100kg during platform.
Claims (3)
1, a kind of cage type pulverizer, comprise body, screw feeder, pressure tester, make-up water device, annular spray pipe, critical pieces such as the feature of the present invention rolling disc that to be body driven by last fixed disk, cylindrical shell, chassis, turning cylinder, lower fixed disk are formed a cage grinding body, excellent tooth is installed on last fixed disk, rolling disc, the lower fixed disk, gapped on the rolling disc.
2, according to the described cage type pulverizer of claim 1, it is characterized in that described excellent tooth is a chisel teeth, the tip of chisel teeth is towards opposite with the rotation direction of rolling disc.
3, according to the described cage type pulverizer of claim 2, the excellent tooth tooth length that it is characterized in that being installed on the upper and lower fixed disk is 6～8cm, and the excellent tooth tine length that is installed on the rolling disc is 4～6cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108513 CN1017501B (en) | 1988-12-08 | 1988-12-08 | Cage type pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88108513 CN1017501B (en) | 1988-12-08 | 1988-12-08 | Cage type pulverizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1035961A true CN1035961A (en) | 1989-10-04 |
| CN1017501B CN1017501B (en) | 1992-07-22 |
Family
ID=4835094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88108513 Expired CN1017501B (en) | 1988-12-08 | 1988-12-08 | Cage type pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1017501B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003753A1 (en) * | 1995-07-18 | 1997-02-06 | Yuanxiao Chen | Non-ball mill |
| CN1101276C (en) * | 1998-03-23 | 2003-02-12 | 中国矿业大学（北京校区） | Horizontal multi-milling chamber squirrel-cage rotor stirring mill |
| CN101856632A (en) * | 2010-05-31 | 2010-10-13 | 张云 | Horizontal high-speed compound ball mill |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRE20040086A1 (en) * | 2004-07-16 | 2004-10-16 | Sacmi | DISCONTINUOUS GRINDING MILL FOR CERAMIC MATERIALS |
-
1988
- 1988-12-08 CN CN 88108513 patent/CN1017501B/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003753A1 (en) * | 1995-07-18 | 1997-02-06 | Yuanxiao Chen | Non-ball mill |
| CN1101276C (en) * | 1998-03-23 | 2003-02-12 | 中国矿业大学（北京校区） | Horizontal multi-milling chamber squirrel-cage rotor stirring mill |
| CN101856632A (en) * | 2010-05-31 | 2010-10-13 | 张云 | Horizontal high-speed compound ball mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1017501B (en) | 1992-07-22 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |