CN106269086A - A kind of dry type milling system on-line grinding technique - Google Patents
A kind of dry type milling system on-line grinding technique Download PDFInfo
- Publication number
- CN106269086A CN106269086A CN201610836954.5A CN201610836954A CN106269086A CN 106269086 A CN106269086 A CN 106269086A CN 201610836954 A CN201610836954 A CN 201610836954A CN 106269086 A CN106269086 A CN 106269086A
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- China
- Prior art keywords
- classification
- dry type
- grinding technique
- line grinding
- type milling
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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
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a kind of dry type milling system on-line grinding technique, it includes that material inputs ball mill carries out ball milling；Material after ball milling is carried out classification；Collecting the material of lighter weight after classification, after classification, the material of heavier mass is again introduced into ball mill and carries out ball milling.Material can be carried out once, twice or more times staged care to it by after ball mill grinding by the present invention, whole technique achieves circular grinding, the i.e. material of heavier mass repeatedly enters ball mill and is ground, the material of lighter weight is carried out persistent collection, until all materials reach the granularity specified, not only ensure the uniformity of product quality, and production efficiency is high, low cost, pollutes few.
Description
Technical field
The present invention relates to powder body super-refinement grinding process and Technology field, be specifically related to a kind of dry type milling system and exist
Line grinding technics.
Background technology
Physical uses mechanical lapping to be one vital operation in powder body flour mill flow.Having implemented, " master grinds
Mill " after step, carry out a step the most again and " cross and grind (over polish) ", any residual to guarantee that whole crystal column surface does not has
Stay and powder body sphericity rounding.Retrain by arranging one " maximum milling time " and control the maximum duration ground, with
Time be also adopted by grading technology ensure will not go down by undying mill.The main grinding steps of powder body and over grinding step are to enter continuously
Row, the most current maximum milling time is to arrange a time delay on the basis of the above-mentioned time again, and therefore controlled is this
Two parts time sum.Ball mill, ball mill, pulverizer etc. since coming out due to excellent performance, material super-refinement and point
Having won the good reputation of scientific research person, corporate boss in level field, along with new forms of energy, new material industry are a dark horse, market is to above-mentioned machine
The increasing rapidly of the demand of device, and the requirement of its performance and quality is the strictest, particularly American-European etc., and developed country has
Tightened up requirement.Existing ball-grinding machine mostly is wet method dry mix ball mill, and it can pass through the direct feeding of product pump；And it is right
In existing dry method dry mix ball mill, its feeding manner or utilize gravity naturally to feed, or utilize negative pressure to feed；By
The a part of gaseous impurity in air can be carried in negative pressure fill process, therefore affect the quality of product.
With appropriateness and the powder of viscosity or granular object if placed in a container, allow it with low discharge
Mode flow downward from dynamic, be at this moment difficult to rely on the weight of self to flow downward because these materials have certain viscosity,
Easily block outlet, when carrying out proportional mixed preparing with other different types of powders or granular material, one
After several different materials being weighed in proportion in the case of as, then these several different objects are poured in blender carry out machine
Tool stirs or is poured in container and mixes manually, and this method is simple and reliable, but labor intensity is relatively big, production cost
Higher, it is impossible to operate with the form of streamline, it is difficult to adapt to the production requirement of modern mechanical.Especially when material mixes
When having cotton-shaped or velvet-like material, this phenomenon is particularly evident, and its cutting mode is linear shear, and shearing force is relatively big, so machinery fortune
Have the vexed sound of " bang bang " when turning, blocking can be caused time serious, go out to have a strong impact on work efficiency；And after powder body super-refinement
Explosion-proof technology requires the highest, and production safety problem becomes increasingly conspicuous, and is a very important potential safety hazard.
Summary of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of production efficiency height, material can be carried out repeatedly
The dry type milling system on-line grinding technique of staged care.This technological process method has that production procedure is short, energy consumption is low, raw material disappears
The distinguishing feature that consumption is less, low cost, effect on environment are little, high intelligent control degree is high, floor space is little.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of dry type milling system on-line grinding work
Skill, it comprises the following steps:
(1) material is inputted ball mill and carry out ball milling；
(2) material after ball milling is carried out classification；
(3) collecting the material of lighter weight after classification, after classification, the material of heavier mass is again introduced into ball mill and carries out ball milling.
As preferably, the material of lighter weight after the classification of collection is carried out secondary grading, collect quality after secondary grading
Lighter material, after secondary grading, the material of heavier mass is again introduced into ball mill and carries out ball milling.
As preferably, after classification heavier mass material and during after secondary grading, the material of heavier mass all enters after roll-over
It is delivered to ball mill by feeding warehouse and carries out ball milling.
As preferably, regather after the material remove impurity of lighter weight after classification.
As preferably, regather after the material secondary remove impurity of lighter weight after secondary grading.
As preferably, described ball mill uses the dry ball of Full-automatic intelligent control system, uses negative pressure to go out online
Material.
As preferably, described classification and secondary grading all use negative pressure grading plant.
As preferably, described negative pressure grading plant makes its interior material from top output lighter weight under suction function
Material, the material of bottom output heavier mass.
As preferably, described remove impurity and secondary remove impurity all use gas filtration knot screen.
As preferably, the gas carried in material is extracted out by gas filtration knot screen by filter element, then collects filtration
After material.
As can be known from the above technical solutions, the present invention by material by it being carried out once after ball mill grinding, secondary or
Multiple fractionation processes, and whole technique achieves circular grinding, i.e. the material of heavier mass repeatedly enters ball mill and is ground, right
The material of lighter weight carries out persistent collection, until all materials reach the granularity specified, not only ensures the uniform of product quality
Property, and production efficiency is high, low cost, pollutes few.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of the present invention.
Fig. 2 is equipment catenation principle figure in the present invention.
Detailed description of the invention
The present invention it is discussed in detail below in conjunction with Fig. 1 and Fig. 2:
A kind of dry type milling system on-line grinding technique, it comprises the following steps:
(1) material is inputted ball mill 1 and carries out ball milling, ball mill use the online discharging of negative pressure, i.e. material be delivered to ball mill with
Ball-milling medium collides, grind after, under the effect of negative pressure, ball mill rotates discharging, it is achieved do not shut down discharging,
It is greatly improved production efficiency.
(2) material after ball milling carrying out classification, classification uses negative pressure grading plant 2, and negative pressure grading plant uses taper
Barrel structure, the charging of its top, bottom air inlet, the material on top is impacted dispersion by effect in negative pressure from bottom to top so that quality
Lighter material flows out from top, and the material of heavier mass then can flow out from bottom, thus realize classification.
(3) collecting the material of lighter weight after classification, after classification, the material of heavier mass is again introduced into ball mill and carries out ball
Mill；Specifically, the material of lighter weight enters gas filtration knot screen after negative pressure grading plant top is flowed out, due to
Whole operation is carried out under subnormal ambient, and the material entering gas filtration knot screen 3 carries gas, and gas filtration remove impurity
The gas carried in material can be extracted out by device by filter element, then collects the material after filtering.Owing to gas being mingled with portion
Divide impurity, therefore impurity can be rejected by filter element, improve the quality of product.
In implementation process, the material of lighter weight after the classification of collection is carried out secondary grading or more classification,
Classification number of times can more require to formulate by finished product；Secondary grading can use same negative pressure grading plant；Then, secondary grading is collected
The material of rear lighter weight, similarly, is also carried out remove impurity before collection, after secondary grading, the material of heavier mass is again introduced into ball
Grinding machine carries out ball milling.
In implementation process, after classification heavier mass material and after secondary grading the material of heavier mass all enter transfer
Being delivered to ball mill by feeding warehouse behind storehouse and carry out ball milling, feeding warehouse can supply according to the material Grinding Quality that ball mill sets
Material or stopping feed, be so easy to control the efficiency of ball mill, improve the Grinding Quality of ball mill；Also can be straight by middle roll-over 4
Connect and be delivered to ball mill, the material entrance of feeding storehouse 5 is entering ball mill after roll-over.The MORPH DHM technique of the present invention is not
It is same as traditional ball mill, the least abrasive media can be used, so having higher severity of grind.In this case, phase
Thicker material is used low-yield input, also can carry out superfine grinding.
Above-mentioned embodiment is used for illustrative purposes only, and is not limitation of the present invention, relevant technical field
Those of ordinary skill, without departing from the spirit and scope of the present invention, it is also possible to various changes can be made and modification, therefore institute
The technical scheme having equivalent also should belong to scope of the invention.
Claims (10)
1. a dry type milling system on-line grinding technique, it comprises the following steps:
(1) material is inputted dry ball and carry out ball milling；
(2) material after ball milling is carried out classification；
(3) collecting the material of lighter weight after classification, after classification, the material of heavier mass is again introduced into ball mill and carries out ball milling.
Dry type milling system on-line grinding technique the most according to claim 1, it is characterised in that: quality after the classification that will collect
Lighter material carries out secondary grading, the material of lighter weight, the material of heavier mass after secondary grading after collection secondary grading
It is again introduced into ball mill and carries out ball milling.
Dry type milling system on-line grinding technique the most according to claim 2, it is characterised in that: the thing of heavier mass after classification
It is delivered to ball mill by feeding warehouse after roll-over during the material of heavier mass all enters after material and secondary grading and carries out ball milling.
Dry type milling system on-line grinding technique the most according to claim 2, it is characterised in that: to lighter weight after classification
Regather after material remove impurity.
Dry type milling system on-line grinding technique the most according to claim 4, it is characterised in that: to quality after secondary grading relatively
Regather after light material secondary remove impurity.
Dry type milling system on-line grinding technique the most according to claim 1, it is characterised in that: described ball mill uses the most certainly
The dry ball of dynamic intelligence control system, uses the online discharging of negative pressure.
Dry type milling system on-line grinding technique the most according to claim 2, it is characterised in that: described classification and secondary grading
All use negative pressure grading plant.
Dry type milling system on-line grinding technique the most according to claim 2, it is characterised in that: described negative pressure grading plant makes
Its interior material is from the material of top output lighter weight under suction function, and bottom exports the material of heavier mass.
Dry type milling system on-line grinding technique the most according to claim 5, it is characterised in that: described remove impurity and secondary remove impurity
All use gas filtration knot screen.
Dry type milling system on-line grinding technique the most according to claim 9, it is characterised in that: gas filtration knot screen
The gas carried in material is extracted out by filter element, then collects the material after filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836954.5A CN106269086A (en) | 2016-09-20 | 2016-09-20 | A kind of dry type milling system on-line grinding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836954.5A CN106269086A (en) | 2016-09-20 | 2016-09-20 | A kind of dry type milling system on-line grinding technique |
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| Publication Number | Publication Date |
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| CN106269086A true CN106269086A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610836954.5A Pending CN106269086A (en) | 2016-09-20 | 2016-09-20 | A kind of dry type milling system on-line grinding technique |
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| CN (1) | CN106269086A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975559A (en) * | 2017-05-19 | 2017-07-25 | 郑州三迪建筑科技有限公司 | It is a kind of to adjust the device that gypsum base is matched somebody with somebody |
| CN107152863A (en) * | 2017-03-21 | 2017-09-12 | 路德环境科技股份有限公司 | A kind of knot screen, drying bed and impurity-removing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07289999A (en) * | 1994-04-27 | 1995-11-07 | Central Japan Railway Co | Waste-selecting apparatus |
| DE19635779A1 (en) * | 1996-09-04 | 1998-03-05 | Herbert Dressler | Sifter for cold-milled powders |
| CN1705517A (en) * | 2002-10-18 | 2005-12-07 | 昭和电工株式会社 | Dry grinding system and dry grinding method |
| CN101722083A (en) * | 2008-10-14 | 2010-06-09 | 王华业 | Grinding method and grinding device |
| CN101972687A (en) * | 2010-10-09 | 2011-02-16 | 南京工业大学 | Process for preparing carbon forming powder |
| CN201760338U (en) * | 2010-08-12 | 2011-03-16 | 河南醒狮高新技术股份有限公司 | Dry-method horizontal material grinding and classifying system |
| CN201799408U (en) * | 2010-08-25 | 2011-04-20 | 成都君臣科技有限责任公司 | Polishing powder grader |
| CN202061807U (en) * | 2011-02-25 | 2011-12-07 | 昆明铁马机械制造有限公司 | Material winnowing device |
-
2016
- 2016-09-20 CN CN201610836954.5A patent/CN106269086A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07289999A (en) * | 1994-04-27 | 1995-11-07 | Central Japan Railway Co | Waste-selecting apparatus |
| DE19635779A1 (en) * | 1996-09-04 | 1998-03-05 | Herbert Dressler | Sifter for cold-milled powders |
| CN1705517A (en) * | 2002-10-18 | 2005-12-07 | 昭和电工株式会社 | Dry grinding system and dry grinding method |
| CN101722083A (en) * | 2008-10-14 | 2010-06-09 | 王华业 | Grinding method and grinding device |
| CN201760338U (en) * | 2010-08-12 | 2011-03-16 | 河南醒狮高新技术股份有限公司 | Dry-method horizontal material grinding and classifying system |
| CN201799408U (en) * | 2010-08-25 | 2011-04-20 | 成都君臣科技有限责任公司 | Polishing powder grader |
| CN101972687A (en) * | 2010-10-09 | 2011-02-16 | 南京工业大学 | Process for preparing carbon forming powder |
| CN202061807U (en) * | 2011-02-25 | 2011-12-07 | 昆明铁马机械制造有限公司 | Material winnowing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152863A (en) * | 2017-03-21 | 2017-09-12 | 路德环境科技股份有限公司 | A kind of knot screen, drying bed and impurity-removing method |
| CN107152863B (en) * | 2017-03-21 | 2019-09-20 | 路德环境科技股份有限公司 | A kind of exclusion device, drying bed and impurity-removing method |
| CN106975559A (en) * | 2017-05-19 | 2017-07-25 | 郑州三迪建筑科技有限公司 | It is a kind of to adjust the device that gypsum base is matched somebody with somebody |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |