CN86207996U - Self-adaptation control system for optimum rotation speed in self-grinding process - Google Patents
Self-adaptation control system for optimum rotation speed in self-grinding process Download PDFInfo
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- CN86207996U CN86207996U CN 86207996 CN86207996U CN86207996U CN 86207996 U CN86207996 U CN 86207996U CN 86207996 CN86207996 CN 86207996 CN 86207996 U CN86207996 U CN 86207996U CN 86207996 U CN86207996 U CN 86207996U
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- self
- speed
- control system
- optimum
- grinding process
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Abstract
The utility model provides a self-adaptation control system for optimum rotation speed in self-grinding process of the self grinder. The control system of the utility model comprises an asynchronous motor (5), a thyristor series speed regulating apparatus (6), a rotational speed optimum self-adapting computer (7), a speed measuring device (8), a speed sensor (9), a power converter (10), a speed drop power converter (11), etc. The control system can adapt to variations of various elements in the course of the production and the rotational speed of the self grinder can be maintained at an optimum state so as to ensure the grinder to obtain a better grinding effect and improve all technical indexes.
Description
The utility model relates to the improvement of the grinding process control mode of autogenous tumbling mill and pebble plain (hereinafter to be referred as grinding machine).
The grinding process control system of existing grinding machine is based on constant speed, existing problems are: (one) selected rotating speed is optimum speed not necessarily, even power extreme value varitrol is adopted in process control, and the extreme value that is occurred not is the maximal value that mill power may reach, when inside and outside factors vary, can't regulate rotating speed again and adapt with it, ore grinding usefulness is not given full play to.(2) each mine varies for the ore deposit characteristic, and the ore performance of the ore body each several part in same mine, crystalline structure, hardness etc. all are not the same exactly, and are that have even widely different, so productive capacity is very low.
For improving grinding machine throughput rate, nineteen sixty Sweden Bo Lideng Acker Di Boleige (BOlidenArtiebolag) company once developed " Bo Lideng " regulating system based on the change mill speed, but the system architecture complexity, efficient is low.
In view of the problem that above-mentioned prior art exists, the purpose of this utility model is that design is a kind of simple in structure, the optimum adaptive control system of the autogenous grinding process rotating speed that efficient is high.
The optimum adaptive control system of autogenous grinding process rotating speed is by the asynchronous motor that drags grinding machine, cascade speed regulation device, compositions such as the optimum self-adaptive computer of rotating speed, speed measuring device, speed probe, power input transducer, slip power transducer.The input end and the speed probe of the optimum self-adaptive computer of rotating speed, the power input transducer of asynchronous motor is connected with slip power transducer or shaft power transducer, and output terminal is connected with the cascade speed regulation device.
The utility model is because adopt the cascade speed regulation device as rotational speed governor, simple in structure, efficient is high, because grinding machine can speed governing, and the user is selected according to the actual conditions in mine and characteristics and test, guarantee that mill speed and working condition adapt substantially.In process control, select to guarantee that grinding machine continues to work under the state of rotating speed optimum, thereby make ore grinding usefulness be not fully exerted to influencing the reigning rotating speed of grinding machine effect as controlled variable; Every technical economical index all improves.
Fig. 1 is the optimum adaptive control system schematic diagram of autogenous grinding process rotating speed
(1)---ore storage bin wherein, (2)---rock feeder, (3)---give the ore deposit belt feeder,
(4)---grinding mill barrel, (5)---asynchronous motor,
(6)---the cascade speed regulation device,
(7)---the optimum self-adaptive computer of rotating speed, (8)---speed measuring device,
(9)---speed probe, (10)---power converter,
(11)---the slip power transducer.
According to Fig. 1 the course of work of the optimum adaptive control system of autogenous grinding process rotating speed is further detailed below.
When ore by ore storage bin (1) through the electricity rock feeder (2) that shakes, when entering grinding mill barrel (4) for ore deposit belt feeder (3), the work of the optimum adaptive control system of the rotating speed of autogenous grinding process is carried out as follows: send instruction by the optimum self-adaptive computer of rotating speed (7), the rotating speed of asynchronous motor (5) is regulated one time in the scope that requires, by speed measuring device (8), speed probe (9), the power input transducer (10) of asynchronous motor (5) and slip power transducer (11), with the rotating speed of asynchronous motor (5) and the shaft power relevant data of the pairing asynchronous motor of each rotating speed (5), collect the optimum self-adaptive computer (7) of rotating speed, and the data of being gathered are carried out computing and analysis, because mill machine throughput is directly proportional with the shaft power of asynchronous motor (5), then the pairing rotating speed of the maximum this point of asynchronous motor (5) shaft power is new optimum speed, and amended new optimum speed controlling value is transferred to cascade speed regulation device (6) by digital-to-analog conversion, control asynchronous motor (5) moves under new optimum speed, so circulation endlessly reaches the optimum adaptive control of autogenous grinding process rotating speed.
Claims (2)
1, a kind of optimum adaptive control system of autogenous grinding process rotating speed that is used for autogenous tumbling mill, it is characterized in that: include asynchronous motor (5), cascade speed regulation device (6), the optimum self-adaptive computer (7) of rotating speed, speed measuring device (8), speed probe (9), power converter (10), slip power transducer (11).
2, the optimum adaptive control system of autogenous grinding process rotating speed according to claim 1, the input end and the speed probe (9) that it is characterized in that the optimum self-adaptive computer of rotating speed (7), the power input transducer (10) of asynchronous motor (5) is connected with slip power transducer (11) or shaft power transducer, and output terminal is connected with cascade speed regulation device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207996 CN86207996U (en) | 1986-10-10 | 1986-10-10 | Self-adaptation control system for optimum rotation speed in self-grinding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207996 CN86207996U (en) | 1986-10-10 | 1986-10-10 | Self-adaptation control system for optimum rotation speed in self-grinding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86207996U true CN86207996U (en) | 1987-12-09 |
Family
ID=4810301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86207996 Withdrawn CN86207996U (en) | 1986-10-10 | 1986-10-10 | Self-adaptation control system for optimum rotation speed in self-grinding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86207996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263970A (en) * | 2013-05-23 | 2013-08-28 | 招金矿业股份有限公司金翅岭金矿 | Control method for improving grinding fineness of gold and silver concentrate |
-
1986
- 1986-10-10 CN CN 86207996 patent/CN86207996U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263970A (en) * | 2013-05-23 | 2013-08-28 | 招金矿业股份有限公司金翅岭金矿 | Control method for improving grinding fineness of gold and silver concentrate |
| CN103263970B (en) * | 2013-05-23 | 2015-09-02 | 招金矿业股份有限公司金翅岭金矿 | A kind of control method improving gold and silver concentrate mog |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |