CN1970157A - Method for controlling ball milling powder purity and granularity distribution - Google Patents
Method for controlling ball milling powder purity and granularity distribution Download PDFInfo
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- CN1970157A CN1970157A CN 200610048779 CN200610048779A CN1970157A CN 1970157 A CN1970157 A CN 1970157A CN 200610048779 CN200610048779 CN 200610048779 CN 200610048779 A CN200610048779 A CN 200610048779A CN 1970157 A CN1970157 A CN 1970157A
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Abstract
It relates to a control method for ball grinding power purity and grain size. It uses noise level of the grinder as the control signal, PID process automatic control, accurately controlling the feeding quantity of the ball grinder while maintaining the noise at a certain level to achieve the goal. It is highly advanced for the ball grinding production process and quality control, with higher promoting value and economic benefit.
Description
Technical field
The present invention relates to adjust the method for grinding machine noise level control ball milling powder purity and size distribution with PID.
Background technology
In electrolytic anode was produced, the control antianode quality of ball milling powder degree had critical influence.Control ball milling powder degree is generally set about from two aspects, and the one, utilize and select powder system to select powder, the 2nd, process control is carried out in the production of ball mill.The latter is the basis, is determining also to affect the output and the efficient of ball mill to a great extent through selecting powder system to select the size distribution situation of powder behind the powder.Ball mill is in certain adorning under the spherical condition, and the grinding machine noise level reflects the actual material amount in the ball mill.When the grinding machine noise level was high, the material level in the ball mill was low; When noise level in the ball mill was low, material level was higher in the ball mill.
Summary of the invention
The purpose of this invention is to provide a kind of application ball mill noise level process measurement technology, PID process automatic control technology, reach the stability ball milling powder purity by adjusting the ball mill noise level, and make size distribution meet the method for production requirement.
Technical scheme of the present invention is: gather the grinding machine noise level as the control signal source, adopt PID (ratio calculus) process automatic control technology, stable control ball mill noise is in the level of needs, the blanking amount of accurate and effective control ball mill, make and treat amount of abrasive a stable level in the grinding machine, thereby reach the purpose that powder particles that ball mill is ground control effectively.In actual applications,,, regulate the amount of abrasive for the treatment of in the grinding machine, can adjust within the specific limits through selecting the size distribution condition shape after powder system selects powder by setting different grinding machine noise levels according to the needs of producing.
The present invention has advanced and originality in the scratch system field of charcoal element, provides the completely new approach of effective production process control of milling system and control of product quality, and strong promotional value and economic benefit are arranged in real production process.
The effect that the present invention is applied to be reached in the petroleum coke milling system of assembly room, Yunnan Aluminium Co., Ltd. charcoal ink factory is: (1) ball milling powder purity (ratio that 200 orders are shared) is highly stable, can be controlled at requirement ± 2% scope in.(2) ball milling powder degree distributes adjustable.In actual production process,,, can effectively reduce the content of-300 order superfine powders in the ball milling powder by the control of grinding machine noise level in order to reduce the consumption of green anode production process medium pitch.
Description of drawings
Fig. 1 is control principle figure of the present invention.
The specific embodiment
Embodiment:
1. determine purity, the size distribution of ball milling powder according to producing needs;
2. according to purity, the size distribution of required ball milling powder, determine material level requirement in the ball mill;
3. set the dry sound level of ball mill according to purity, the size distribution of ball milling powder;
4. with above-mentioned determined data input PID arithmetic unit;
5. measure the ball mill actual noise;
6. the ball mill actual noise contrasts with the setting noise;
7. by increasing after the PID computing or reducing the blanking amount, control effectively thereby reach powder particles and size distribution that ball mill is ground.
Following table is the ball milling powder degree distribution situation that obtains when producing under the different noise levels.
Different electric ear noise levels is produced ball milling powder degree distribution situation down
| The electric ear noise level | ＞0.5mm ratio (%) | 0.15-0.5mm ratio (%) | 0.5-0.075mm ratio (%) | 0.075-0.054mm ratio (%) | ＜0.054mm ratio (%) | |
| 25 | 0 | 2.05 | 14.15 | 28.85 | 54.95 | |
| 35 | 0 | 1.10 | 11.15 | 27.90 | 59.85 | |
| 45 | 0 | 1.10 | 8.95 | 20.25 | 69.70 |
Claims (1)
1, a kind of method of controlling ball milling powder purity and size distribution, it is characterized in that gathering the grinding machine noise level as the control signal source, adopt the PID process to control automatically, control ball mill noise is in the level of needs, thereby the blanking amount of accurate and effective control ball mill, make and treat amount of abrasive a stable level in the grinding machine, effectively control thereby reach powder purity and size distribution that ball mill is ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048779 CN1970157A (en) | 2006-11-03 | 2006-11-03 | Method for controlling ball milling powder purity and granularity distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048779 CN1970157A (en) | 2006-11-03 | 2006-11-03 | Method for controlling ball milling powder purity and granularity distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1970157A true CN1970157A (en) | 2007-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610048779 Pending CN1970157A (en) | 2006-11-03 | 2006-11-03 | Method for controlling ball milling powder purity and granularity distribution |
Country Status (1)
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| CN (1) | CN1970157A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433098A (en) * | 2013-08-20 | 2013-12-11 | 太原钢铁(集团)有限公司 | Method for improving ore grinding efficiency of ball grinder |
| CN103611619A (en) * | 2013-12-11 | 2014-03-05 | 中冶长天国际工程有限责任公司 | Method and device for adjusting steel ball filling rate in control of ore grinding machine |
| CN103623912A (en) * | 2013-11-25 | 2014-03-12 | 中冶长天国际工程有限责任公司 | Method and device for obtaining optimal feeding quantity of ore grinder |
| CN103752397A (en) * | 2013-12-11 | 2014-04-30 | 中冶长天国际工程有限责任公司 | Method and apparatus for controlling ore feeding amount of grinding mill |
| CN104888929A (en) * | 2015-06-29 | 2015-09-09 | 安徽宝昱电子科技有限公司 | Grinding degree monitoring device of ball crusher |
-
2006
- 2006-11-03 CN CN 200610048779 patent/CN1970157A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433098A (en) * | 2013-08-20 | 2013-12-11 | 太原钢铁(集团)有限公司 | Method for improving ore grinding efficiency of ball grinder |
| CN103433098B (en) * | 2013-08-20 | 2015-10-28 | 太原钢铁(集团)有限公司 | A kind of method improving ball mill grinding efficiency |
| CN103623912A (en) * | 2013-11-25 | 2014-03-12 | 中冶长天国际工程有限责任公司 | Method and device for obtaining optimal feeding quantity of ore grinder |
| CN103623912B (en) * | 2013-11-25 | 2015-11-25 | 中冶长天国际工程有限责任公司 | A kind of method and apparatus obtaining the best mine-supplying quantity of ore mill |
| CN103611619A (en) * | 2013-12-11 | 2014-03-05 | 中冶长天国际工程有限责任公司 | Method and device for adjusting steel ball filling rate in control of ore grinding machine |
| CN103752397A (en) * | 2013-12-11 | 2014-04-30 | 中冶长天国际工程有限责任公司 | Method and apparatus for controlling ore feeding amount of grinding mill |
| CN103752397B (en) * | 2013-12-11 | 2015-10-14 | 中冶长天国际工程有限责任公司 | The method and apparatus that a kind of ore mill mine-supplying quantity controls |
| CN104888929A (en) * | 2015-06-29 | 2015-09-09 | 安徽宝昱电子科技有限公司 | Grinding degree monitoring device of ball crusher |
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