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Protection device and method for rotary supporting bearing and driving motor of thickener

A technology of slewing support bearing and driving motor, applied in the field of concentrator, can solve problems such as unsatisfactory use effect, and achieve the effect of perfect function, accurate action and high protection precision

Active Publication Date: 2014-01-08
ANSTEEL GRP MINING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The practical effect of this method is not ideal

Method used

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  • Protection device and method for rotary supporting bearing and driving motor of thickener
  • Protection device and method for rotary supporting bearing and driving motor of thickener
  • Protection device and method for rotary supporting bearing and driving motor of thickener

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Embodiment Construction

[0048] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0049] like figure 1 As shown, the protective device for the slewing support bearing and the drive motor of the concentrator of the present invention includes a drive circuit of the concentrator and a slide wire and a collector connected to the drive circuit of the concentrator, and is characterized in that it also includes a The driving circuit of the concentrator and the three-phase current transformer between the slide wire and the collector, the drive motor protector connected with the three-phase current transformer, and the tripping and sound-light alarm respectively connected with the drive motor protector Devices, RS485 / RS232 converters, the first circuit breaker QF1 in the driving trolley, or the setting between the drive circuit of the concentrator and the three-phase power supply, which is set between the above-mentioned slide wire ...

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Abstract

The invention relates to the technical field of thickeners in a mine mineral processing process and particularly relates to a protection device and method for a rotary supporting bearing and a driving motor of a thickener. The protection device comprises a primary driving circuit of the thickener, a slide wire and a current collector, and is composed of a three-phase current transformer, a driving motor protector, a tripping and sound-light alarming device and an RS485 / RS232 converter which are arranged among the driving circuit of the thickener, the slide wire and the current collector in sequence; a first circuit breaker with a shunt release is arranged among the slide wire, the current collector and a motor or a second circuit breaker with the other shunt release is arranged between the driving circuit of the thickener and the three-phase current transformer; and the RS485 / RS232 converter is connected with an upper computer and a display. The protection method comprises overcurrent protection of the driving motor, and bad contact and phase loss protection of the driving motor. The protection device and method for the rotary supporting bearing and the driving motor of the thickener have high protection precision, accurate movement, strong anti-interference performance and complete functions, and can effectively protect the rotary bearing of the thickener.

Description

technical field [0001] The invention relates to the technical field of concentrators in the mine beneficiation process, in particular to a protection device and method for the rotary support bearing and the driving motor of the concentrator. Background technique [0002] At present, in the mine beneficiation process, thickeners are usually used for the concentration of ore pulp. The fixed parts of the basic structure of the concentrator include: incoming ore chute, lower mine hole, center column, slip ring, and slewing support bearing; the moving parts include: rake frame, collector, drive motor, reducer, etc. The main function of the thickener is to concentrate the low-concentration pulp, that is, to inject the pulp with a certain concentration into the thickener, and to generate a high-concentration pulp through gravity settlement and rake collection to meet the requirements of the next process. The basic principle of the thickener design is to select the size of the thic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/08H02H7/085H02H7/09H02H3/04
Inventor 王元福王东风韩亮苍晴李宏扬
Owner ANSTEEL GRP MINING CO LTD
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