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A method and device for controlling ore feeding amount of a grinding machine

A technology of ore grinding machine and ore feeding rate, which is applied in the field of ore smelting control, and can solve the problem of inaccurate load control of the ore feeding machine adjustment and grinding machine

Active Publication Date: 2015-08-05
ZHONGYE-CHANGTIAN INT ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by this application is to provide a method and device for controlling the amount of ore in a grinding machine, so as to solve the problems caused by determining the load state of the grinding machine according to the grinding sound of the grinding machine in the prior art. Technical problems of inaccurate mining machine adjustment and grinding machine load control

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  • A method and device for controlling ore feeding amount of a grinding machine
  • A method and device for controlling ore feeding amount of a grinding machine
  • A method and device for controlling ore feeding amount of a grinding machine

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Embodiment Construction

[0086] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0087] After a long period of research, the inventor found that the inaccurate adjustment of the ore feed rate of the load control of the ore grinding machine in the prior art is because the load state of the ore grinding machine is only determined according to the grinding sound of the ore grinding machine. Grinding sound refers to the noise produced by the grindi...

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Abstract

The invention discloses a feeding capacity control method and device for ore mills. The method includes: acquiring current spindle oil pressure and mill power of an ore mill, and determining current oil pressure status and power status of the ore mill according to oil pressure number range that the spindle oil pressure belongs to and power number range that the mill power belongs to; in response to current high load status of the ore mill, reducing feeding capacity of the ore mill; in response to current low load status of the ore mill, increasing the feeding capacity of the ore mill. According to the technical scheme, the load status of the ore mill is determined according to the spindle oil pressure and the mill powder, interference of complexity and variableness in actual production upon determination of the load status of the ore mill can be avoided, adjusting the feeding capacity according to the load status is more accurate, controlling the load of the ore mill can be more accurate, capability of the ore mill processing raw ores is finally improved, quality and efficiency of the milling process can be improved, and energy consumption per ton of concentrate can be reduced.

Description

technical field [0001] The present application relates to the field of ore smelting control, in particular to a method and device for controlling ore feeding amount of a grinding machine. Background technique [0002] In the production process of ore smelting, since the raw ore obtained from mining cannot meet the smelting requirements, it is necessary to process the raw ore first to obtain concentrates that meet the smelting requirements, and then use them in the smelting process. The beneficiation operation mainly includes crushing and screening of raw ore, grinding and grading, sorting, concentrate dehydration and other links. Among them, the grinding process is to crush the crushed ore to a suitable particle size, and provide the crushed minerals to the sorting process. During the grinding process, since the ore is crushed, the effective mineral components can be dissociated from the gangue, and different effective mineral components can be dissociated from each other. ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C23/02B02C25/00
Inventor 李宗平孙英陈猛胜贺新华谢琦曾野曾辉刘权强
Owner ZHONGYE-CHANGTIAN INT ENG CO LTD
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