CN203432616U - An apparatus for detecting load parameters of a ball mill - Google Patents
An apparatus for detecting load parameters of a ball mill Download PDFInfo
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- CN203432616U CN203432616U CN201320525053.6U CN201320525053U CN203432616U CN 203432616 U CN203432616 U CN 203432616U CN 201320525053 U CN201320525053 U CN 201320525053U CN 203432616 U CN203432616 U CN 203432616U
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 14
- 239000011805 ball Substances 0.000 description 69
- 238000000034 method Methods 0.000 description 23
- 238000000227 grinding Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an apparatus for detecting load parameters of a ball mill, and belongs to the field of automatic detection. The apparatus for detecting the load parameters of the ball mill comprises a machine frame, a ball mill cylinder body, electrodes, a position sensor for collecting position information of the electrodes, a weighing sensor, a rotary encoder and a computer for processing and calculating the load parameters. The ball mill cylinder body is fixed to the machine frame in a hanging manner and is weighed through the weighing sensor. The electrodes are installed on the bottom of the ball mill cylinder body. The position sensor and the rotary encoder are fixed to the bottom of the machine frame. Signals collected by the position sensor and the rotary encoder are transmitted to the computer through a DI module. Resistance value signals collected by the electrodes between the electrodes and the ball mill cylinder body are transmitted to the computer through a resistance A/D module, a wireless transmitter and a wireless receiver. A weight signal of the ball mill cylinder body collected by the weighing sensor is transmitted to the computer. The apparatus for detecting the load parameters of the ball mill is not only capable of simultaneously detecting filling ratio, loading capacity and ball to material ratio of a load body in the ball mill cylinder body, but also strong in adaptability and convenient to realize.
Description
Technical field
The utility model relates to a kind of ball mill load parameter detection device, belongs to automatic detection field.
Background technology
Bowl mill is widely used in the industries such as mine, metallurgy, chemical industry, building materials, electric power, pottery, particularly in the ore dressing process in mine, occupies especially critical role.Wet ball mill is the disintegrating apparatus that mining processing industry is the most conventional.Wet ball mill internal load body is comprised of steel ball, material and water.Pack completeness refers to the ratio that ball mill barrel internal load body takes up space, ratio of grinding media to material refers to the inner steel ball quality of loading of ball mill barrel and the ratio of quality of material, pack completeness and ratio of grinding media to material are two of paramount importance parameters of reflection ball mill load, are directly connected to crush efficiency.Practice shows, keep bowl mill reasonably under pack completeness and ratio of grinding media to material state, moving, not only can increase substantially the processing power of bowl mill, reduce the consumption of processed in units amount, and all have a very important role for the production target that improves whole ore dressing plant.
Traditional single factor loading parameter detecting method mainly comprises: current method, sound method, net horsepower method, vibratory drilling method etc.Although these methods are simple, owing to detecting the limitation of principle, can only indirectly reflect the single load quantity parameter of bowl mill, all can not in whole process, accurately detect separately the load parameter of bowl mill.
Consider the advantages and disadvantages that single detection method exists separately, combination two or three has the detection that complementary detection method is carried out load parameter, has successively occurred the sound-power dual signal detection method, the sound-vibration dual signal detection method, the sound-power-the vibrate multi-factors inspection methods such as three input methods.These methods are calculated very complicated, bad adaptability, and be subject to the factor impacts such as ore milling concentration, raw meal particle size, material hardness, ball size.
Thereby power sensor method is to utilize the power sensor pair acting force relevant with ball mill load directly to measure the technical method that detects ball mill load parameter.Mainly contain at present liner plate pressure detection method, barrel stress detection method, the cylindrical shell detection method etc. of weighing.Liner plate pressure detection method is, below the inner liner plate of ball mill barrel, the sensor that can measure radial pressure and tangential pressure is installed, measuring-signal Import computer is processed, obtain stressed collection of illustrative plates, from collection of illustrative plates, can judge disengaging angle and the contact angle of ball mill load body, can calculate the pack completeness of bowl mill thus, analyze again the size of radial pressure, can calculate ratio of grinding media to material.Weight method can accurately detect the charging capacity of bowl mill, and influenced factor is few, strong adaptability, but can not detect pack completeness and ratio of grinding media to material.
From relevant report, existing ball mill load parameter detection method is Shortcomings more or less all, some factors are single cannot realize accurate detection, some calculating too complexity or conditional request harshness is difficult to application, some detected parameters are not too comprehensive, are difficult to be applicable to the optimal control of bowl mill.
Summary of the invention
In order to overcome the deficiencies such as existing ball mill load parameter detection method accuracy of detection is low, calculating is too complicated, detected parameters is not comprehensive, the invention provides a kind of pick-up unit of ball mill load parameter, this device can not only detect pack completeness, charging capacity and the ratio of grinding media to material of ball mill barrel internal loading body simultaneously, and strong adaptability, is convenient to realize.
The structure of ball mill load parameter detection device of the present invention: as shown in Figure 1, comprise frame, ball mill barrel 1, electrode, the position transducer 13 of acquisition electrode positional information, LOAD CELLS, gather the rotary encoder 14 of ball mill barrel 1 drum speed and for the treatment of the computing machine 20 with calculated load parameter, ball mill barrel 1 is unsettled to be fixed in frame and by LOAD CELLS check weighing, the bottom of ball mill barrel 1 is provided with electrode, position transducer 13 and rotary encoder 14 are fixed on the bottom of frame, the signal that position transducer 13 and rotary encoder 14 gather is sent to computing machine 20 by DI module 16, resistance value signal between that electrode gathers and ball mill barrel 1 is by resistance A/D module 11, radio transmitters 12 and wireless receiver 19 are sent to computing machine 20, the ball mill barrel weight signal of LOAD CELLS collection is sent to computing machine 20.
Described electrode is at least three, is arranged on front end, centre and the rear end of ball mill barrel 1 bottom, and the position line of installation is parallel with the axis of ball mill barrel 1.As shown in Figure 1, front termination electrode 8, target 9 and rear termination electrode 10.
Described electrode is screw bolt-type, and centre is metal wire 24, is around hard insulation 22, and electrode is fixed on liner plate 21 and cylindrical shell 1 by clamp nut 23 through after liner plate mounting hole.
The front tubular shaft 2 of described ball mill barrel 1 and rear tubular shaft 3 are separately fixed on the front support 4 of frame and rear support 5 and keep ball mill barrel 1 unsettled, and front end LOAD CELLS group 6 is installed on front support 4, and 7 groups of rear end LOAD CELLS are installed on rear support 5.
Support weight transmitter 17 before described front end LOAD CELLS group 6 connects, support weight transmitter 15 after rear end LOAD CELLS group 7 connects, front support weight transmitter 17 and rear support weight transmitter 15 are sent to computing machine 20 by the signal that amplifies conditioning by AI module 18.
Basic detection principle of the present invention is: at the two ends of the cylindrical shell of bowl mill and middle part respectively installing electrodes to measure the resistance between cylindrical shell and each electrode, by the collection of illustrative plates of electrode position angle and electrode resistance value relation is analyzed, obtain disengaging angle and the contact angle of ball mill barrel internal loading body, disengaging angle, contact angle inputting mathematical model can be calculated to the pack completeness of carrier compound.Rotary encoder is installed on cylindrical shell to measure the rotating speed of ball mill barrel, and by rotating speed, is determined the position of electrode.On the support at bowl mill two ends, LOAD CELLS is installed, for measuring the weight of ball mill barrel, gross weight deducts the weight (charging capacity) that empty-weight can obtain carrier compound, pack completeness, charging capacity, steel ball density, ore density, pulp density input are calculated to the mathematical model of ratio of grinding media to material, can obtain the ratio of grinding media to material of carrier compound.
The invention has the beneficial effects as follows, can accurately detect in real time the load quantity parameter such as pack completeness, charging capacity, ratio of grinding media to material of bowl mill, and be convenient to realize, strong adaptability, can be bowl mill optimal control coherent detection data are provided, for improving ball mill efficiency, reduction energy consumption etc., there is important effect.At present, current method, sound method, vibratory drilling method for detection of ball mill load amount parameter, or the combination method of this several method all can not detect pack completeness, charging capacity, these three parameters of ratio of grinding media to material simultaneously, can only detect one of them or two parameters, it is a kind of Indirect Detecting Method, be easy to be subject to the impact of the factors such as ore properties, pulp density, power network fluctuation, environmental baseline, not only accuracy of detection is poor but also can not in the overall process detecting, accurately measure.And the present invention is not subject to the impact of the factors such as ore properties, pulp density, environmental baseline, belong to direct detecting method, can in the overall process detecting, realize accurately and detecting.
Accompanying drawing explanation
Fig. 1 is detection system structure principle chart of the present invention.
In figure: 1-ball mill barrel, tubular shaft before 2-, tubular shaft after 3-, support before 4-, support after 5-, 6-front end LOAD CELLS group, 7-rear end LOAD CELLS group, termination electrode before 8-, 9-target, termination electrode after 10-, 11-resistance A/D module, 12-radio transmitters, 13-position transducer, 14-rotary encoder, support weight transmitter after 15-, 16-DI module, support weight transmitter before 17-, 18-AI module, 19-wireless receiver, 20-computing machine, 21-liner plate, 22-hard insulation, 23-clamp nut, 24-metal wire, 25-carrier compound.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment one: as shown in Figure 1, the structure of ball mill load parameter detection device of the present invention comprises frame, ball mill barrel 1, electrode, the position transducer 13 of acquisition electrode positional information, LOAD CELLS, gather the rotary encoder 14 of ball mill barrel 1 drum speed and for the treatment of the computing machine 20 with calculated load parameter, ball mill barrel 1 is unsettled to be fixed in frame and by LOAD CELLS check weighing, the bottom of ball mill barrel 1 is provided with electrode, position transducer 13 and rotary encoder 14 are fixed on the bottom of frame, the signal that position transducer 13 and rotary encoder 14 gather is sent to computing machine 20 by DI module 16, resistance value signal between that electrode gathers and ball mill barrel 1 is by resistance A/D module 11, radio transmitters 12 and wireless receiver 19 are sent to computing machine 20, the ball mill barrel weight signal of LOAD CELLS collection is sent to computing machine 20.At least three, electrode, is arranged on respectively front end, centre and the rear end of ball mill barrel 1 bottom, and the position line of installation is parallel with the axis of ball mill barrel 1.As shown in Figure 1, front termination electrode 8, target 9 and rear termination electrode 10.The front tubular shaft 2 of ball mill barrel 1 and rear tubular shaft 3 are separately fixed on the front support 4 of frame and rear support 5 and keep ball mill barrel 1 unsettled, and front end LOAD CELLS group 6 is installed on front support 4, and 7 groups of rear end LOAD CELLS are installed on rear support 5.Support weight transmitter 17 before front end LOAD CELLS group 6 connects, support weight transmitter 15 after rear end LOAD CELLS group 7 connects, front support weight transmitter 17 and rear support weight transmitter 15 are sent to computing machine 20 by the signal that amplifies conditioning by AI module 18.
Embodiment two: as shown in Figure 1, the structure of ball mill load parameter detection device of the present invention comprises frame, ball mill barrel 1, electrode, the position transducer 13 of acquisition electrode positional information, LOAD CELLS, gather the rotary encoder 14 of ball mill barrel 1 drum speed and for the treatment of the computing machine 20 with calculated load parameter, ball mill barrel 1 is unsettled to be fixed in frame and by LOAD CELLS check weighing, the bottom of ball mill barrel 1 is provided with electrode, position transducer 13 and rotary encoder 14 are fixed on the bottom of frame, the signal that position transducer 13 and rotary encoder 14 gather is sent to computing machine 20 by DI module 16, resistance value signal between that electrode gathers and ball mill barrel 1 is by resistance A/D module 11, radio transmitters 12 and wireless receiver 19 are sent to computing machine 20, the ball mill barrel weight signal of LOAD CELLS collection is sent to computing machine 20.Electrode is at least five, is arranged on front end, centre and the rear end of ball mill barrel 1 bottom, and the position line of installation is parallel with the axis of ball mill barrel 1.As shown in Figure 1, front termination electrode 8, target 9 and rear termination electrode 10.Electrode is screw bolt-type, and centre is metal wire 24, is around hard insulation 22, and electrode is fixed on liner plate 21 and cylindrical shell 1 by clamp nut 23 through after liner plate mounting hole.The front tubular shaft 2 of ball mill barrel 1 and rear tubular shaft 3 are separately fixed on the front support 4 of frame and rear support 5 and keep ball mill barrel 1 unsettled, and front end LOAD CELLS group 6 is installed on front support 4, and 7 groups of rear end LOAD CELLS are installed on rear support 5.Support weight transmitter 17 before front end LOAD CELLS group 6 connects, support weight transmitter 15 after rear end LOAD CELLS group 7 connects, front support weight transmitter 17 and rear support weight transmitter 15 are sent to computing machine 20 by the signal that amplifies conditioning by AI module 18.
Embodiment three: as shown in Figure 1, the structure of ball mill load parameter detection device of the present invention comprises frame, ball mill barrel 1, electrode, the position transducer 13 of acquisition electrode positional information, LOAD CELLS, gather the rotary encoder 14 of ball mill barrel 1 drum speed and for the treatment of the computing machine 20 with calculated load parameter, ball mill barrel 1 is unsettled to be fixed in frame and by LOAD CELLS check weighing, the bottom of ball mill barrel 1 is provided with electrode, position transducer 13 and rotary encoder 14 are fixed on the bottom of frame, the signal that position transducer 13 and rotary encoder 14 gather is sent to computing machine 20 by DI module 16, resistance value signal between that electrode gathers and ball mill barrel 1 is by resistance A/D module 11, radio transmitters 12 and wireless receiver 19 are sent to computing machine 20, the ball mill barrel weight signal of LOAD CELLS collection is sent to computing machine 20.Electrode is six, is arranged on front end, centre and the rear end of ball mill barrel 1 bottom, and the position line of installation is parallel with the axis of ball mill barrel 1.Front termination electrode 8, target 9 and rear termination electrode 10.Electrode is screw bolt-type, and centre is metal wire 24, is around hard insulation 22, and electrode is fixed on liner plate 21 and cylindrical shell 1 by clamp nut 23 through after liner plate mounting hole.The front tubular shaft 2 of ball mill barrel 1 and rear tubular shaft 3 are separately fixed on the front support 4 of frame and rear support 5 and keep ball mill barrel 1 unsettled, and front end LOAD CELLS group 6 is installed on front support 4, and 7 groups of rear end LOAD CELLS are installed on rear support 5.Support weight transmitter 17 before front end LOAD CELLS group 6 connects, support weight transmitter 15 after rear end LOAD CELLS group 7 connects, front support weight transmitter 17 and rear support weight transmitter 15 are sent to computing machine 20 by the signal that amplifies conditioning by AI module 18.
Below by reference to the accompanying drawings embodiment of the present utility model is explained in detail, but the utility model is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, make various variations.
Claims (4)
1. a ball mill load parameter detection device, it is characterized in that: structure comprises frame, ball mill barrel (1), electrode, the position transducer of acquisition electrode positional information (13), LOAD CELLS, gather the rotary encoder (14) of ball mill barrel (1) rotating speed and for the treatment of the computing machine with calculated load parameter (20), ball mill barrel (1) is unsettled to be fixed in frame and by LOAD CELLS check weighing, the bottom of ball mill barrel (1) is provided with electrode, position transducer (13) and rotary encoder (14) are fixed on the bottom of frame, the signal that position transducer (13) and rotary encoder (14) gather is sent to computing machine (20) by DI module (16), resistance value signal between that electrode gathers and ball mill barrel (1) is by resistance A/D module (11), radio transmitters (12) and wireless receiver (19) are sent to computing machine (20), the ball mill barrel weight signal of LOAD CELLS collection is sent to computing machine (20).
2. ball mill load parameter detection device according to claim 1, it is characterized in that: described electrode is at least three, the front end, centre and the rear end that are arranged on ball mill barrel (1) bottom, the position line of installation is parallel with the axis of ball mill barrel (1).
3. ball mill load parameter detection device according to claim 1, it is characterized in that: front support (4) and rear support (5) that the front tubular shaft (2) of described ball mill barrel (1) and rear tubular shaft (3) are separately fixed at frame above keep ball mill barrel (1) unsettled, front end LOAD CELLS group (6) is installed on front support (4), rear end LOAD CELLS group (7) is installed on rear support (5).
4. ball mill load parameter detection device according to claim 3, it is characterized in that: support weight transmitter (17) before described front end LOAD CELLS group (6) connects, support weight transmitter (15) after rear end LOAD CELLS group (7) connects, front support weight transmitter (17) and rear support weight transmitter (15) are sent to computing machine (20) by the signal that amplifies conditioning by AI module (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320525053.6U CN203432616U (en) | 2013-08-27 | 2013-08-27 | An apparatus for detecting load parameters of a ball mill |
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| CN201320525053.6U CN203432616U (en) | 2013-08-27 | 2013-08-27 | An apparatus for detecting load parameters of a ball mill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438934A (en) * | 2013-08-27 | 2013-12-11 | 昆明理工大学 | Method and device for detecting load parameters of ball mill |
| CN105921229A (en) * | 2016-06-07 | 2016-09-07 | 淮南市宜留机械科技有限公司 | Precise discharging assembly of ball mill |
| EP3153285A1 (en) * | 2015-10-06 | 2017-04-12 | Sandvik Intellectual Property AB | A rotary cutting apparatus with an embedded monitoring unit |
| CN114289137A (en) * | 2019-07-18 | 2022-04-08 | 北京科技大学 | Online detection system for intelligent material detection ball mill running state and control method |
-
2013
- 2013-08-27 CN CN201320525053.6U patent/CN203432616U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438934A (en) * | 2013-08-27 | 2013-12-11 | 昆明理工大学 | Method and device for detecting load parameters of ball mill |
| CN103438934B (en) * | 2013-08-27 | 2015-11-18 | 昆明理工大学 | A kind of ball mill load parameter detection method and device |
| EP3153285A1 (en) * | 2015-10-06 | 2017-04-12 | Sandvik Intellectual Property AB | A rotary cutting apparatus with an embedded monitoring unit |
| WO2017060196A1 (en) * | 2015-10-06 | 2017-04-13 | Sandvik Intellectual Property Ab | A rotary cutting apparatus with an embedded monitoring unit |
| CN108025449A (en) * | 2015-10-06 | 2018-05-11 | 山特维克知识产权股份有限公司 | Rotary cutting equipment with embedded monitoring unit |
| US10695930B2 (en) | 2015-10-06 | 2020-06-30 | Hyperion Materials & Technologies (Sweden) Ab | Rotary cutting apparatus with an embedded monitoring unit |
| CN105921229A (en) * | 2016-06-07 | 2016-09-07 | 淮南市宜留机械科技有限公司 | Precise discharging assembly of ball mill |
| CN114289137A (en) * | 2019-07-18 | 2022-04-08 | 北京科技大学 | Online detection system for intelligent material detection ball mill running state and control method |
| CN114289137B (en) * | 2019-07-18 | 2023-01-10 | 北京科技大学 | Online detection system for intelligent material detection ball mill running state and control method |
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