High-power ball mill energy-saving control method based on global synergy optimization energy-saving technology

An energy-saving control, ball mill technology, applied in grain processing and other directions, can solve the problem that the workload is not directly related, and achieve the effect of reducing self-loss and fast ball milling

Active Publication Date: 2021-12-21
陈玉麟
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can realize real-time detection, the vibration signal collected only controls the workload of the ball mill, but the workload and energy saving are not directly related, and the final energy saving depends on controlling the optimal speed for different particle sizes

Method used

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  • High-power ball mill energy-saving control method based on global synergy optimization energy-saving technology
  • High-power ball mill energy-saving control method based on global synergy optimization energy-saving technology

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Effect test

Embodiment 1

[0044] combine Figure 1-2 , an energy-saving control method for high-power ball mills based on global efficiency-enhancing optimization energy-saving technology, comprising the following steps:

[0045] Step 1: Put the mineral material and grinding balls into the barrel of the ball mill, and inject a predetermined amount of water, start the audio collector to collect the audio signal in the barrel of the ball mill, turn on the ball mill and start ball milling at a stable speed;

[0046] Step 2: Take samples from the barrel of the ball mill at intervals of 10 minutes during the ball milling process, and put the samples into the shrinkage analyzer for shrinkage analysis; divide the particle size of the mineral material into n levels, where n≥5; the shrinkage analyzer obtains The ratio of mineral materials of each particle size in the ball mill cylinder at the current moment; at the same time, the audio signal in the ball mill cylinder collected by the audio collector within 10s...

Embodiment 2

[0061] An energy-saving control system for implementing the method, characterized by comprising:

[0062] Ball mill, ball mill speed controller, energy-saving analysis module, audio collector, water inflow controller and shrinkage analyzer;

[0063] The audio collector is installed at the bottom of the outer wall of the ball mill cylinder, and is liquid-coupled with the ball mill cylinder to collect the vibration sound signal in the ball mill cylinder and send the signal to the energy-saving analysis module;

[0064] The energy-saving analysis module performs Fourier transform on the audio signal of the audio collector mobile phone to obtain the frequency spectrum of the audio signal, and inputs the frequency spectrum of the audio signal into the spectrum-particle size analysis model to obtain the proportion of mineral materials in each particle size range in the ball mill;

[0065] The ball mill speed controller controls the speed of the ball mill cylinder, and the water inle...

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Abstract

The invention relates to a high-power ball mill energy-saving control method based on a global synergy optimization energy-saving technology. The method comprises the following steps of: acquiring an audio signal in a ball mill cylinder by using an audio acquisition device, obtaining a frequency spectrum of the audio signal through Fourier transform, and performing correlation analysis on the frequency spectrum and particle size distribution; and reaching the particle size distribution according to the analysis result, inputting an energy-saving control formula according to the particle size distribution, obtaining the rotating speed of the ball mill according to the proportion of different particle sizes, and controlling to execute the rotating speed so as to realize energy-saving control. According to the energy-saving control method, the loaded mineral aggregate can be crushed into the final powder particle size at the highest speed, on one hand, the ball milling speed is high, on the other hand, the power is not wasted, the loss of the ball mill is reduced by accurately controlling the rotating speed, and energy conservation and emission reduction are realized from multiple aspects.

Description

technical field [0001] The invention relates to the field of energy-saving control, in particular to an energy-saving control method for a high-power ball mill based on global efficiency synergistic optimization and energy-saving technology. Background technique [0002] The ball mill is the key equipment for crushing the material after it is crushed. This type of grinding machine is filled with a certain number of steel balls in its cylinder as the grinding medium. It is widely used in cement, silicate products, new building materials, refractory materials, chemical fertilizers, black and non-ferrous metal beneficiation and glass ceramics and other production industries. [0003] The control of the ball mill in the prior art generally sets a predetermined speed according to the composition of different mineral materials, and then ball mills directly to the finished product at a stable speed; because the optimal speed required for different particle size distributions is di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/10B02C25/00
CPCB02C17/10B02C25/00
Inventor 陈玉麟
Owner 陈玉麟
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