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Method for controlling automatic feeding

A control method and automatic feeding technology, applied in the direction of transportation and packaging, loading/unloading, etc., can solve the problems of flow peak, loading measurement influence, funnel material overflow, etc.

Active Publication Date: 2012-11-21
CHINA SHENHUA ENERGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using the existing dumper feeding system, the amount of material poured into each hopper is not the same, for example, due to the position of the carriage, figure 1 More material tends to be poured into hoppers 2 and 4 in , and this inconsistency can cause serious problems
On the one hand, when any hopper is full of material, if it continues to overturn, it will cause the material in the hopper to overflow and cause an accident; make an impact

Method used

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  • Method for controlling automatic feeding
  • Method for controlling automatic feeding
  • Method for controlling automatic feeding

Examples

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Embodiment Construction

[0012] figure 2 It is a flowchart of an automatic feeding control method according to an embodiment of the present invention.

[0013] In step 210, the material position parameter and the material flow rate in each hopper of the plurality of hoppers are detected.

[0014] In one embodiment of the present invention, a level detection device (such as a microwave radar level gauge or other level sensors) can be installed in the hopper to detect the distance from the surface of the material to the bottom of the hopper. If the upper and lower sections of the funnel are equal in size (such as a cylinder or a cuboid), the detected distance can be used as the material position parameter to be used. If the upper and lower sections of the funnel are not the same size (such as figure 1 As shown in , the funnel is actually an inverted round table), then the measured distance from the surface of the material to the bottom of the funnel should be used to calculate the remaining material ...

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Abstract

The invention provides a method for controlling automatic feeding, which comprises the step that after the material position parameter and material flow of each funnel are detected, the material flow of each funnel is changed according to a specific rule to prevent phenomena of empty funnel or full funnel from occurring as much as possible under the condition that the total material flow is unchanged, so that the shipment (or stockpiling) process is much safe and stable.

Description

technical field [0001] The invention relates to the field of automatic feeding control, in particular to an automatic feeding control method. Background technique [0002] In the main coastal coal ports in China (such as Huanghua Port, Qinhuangdao Port, etc.), the dumper is a commonly used large-scale special coal unloading and loading tool. When working, the dumper clamps and flips the train carriage loaded with materials (such as coal), pours the materials in the carriage into multiple hoppers, and pours the materials onto the belt conveyor through the hoppers and vibrating feeder. And further conveying, so that shipping (or stacking coal on the yard). [0003] Generally, the combination of a hopper and a vibrating feeder can be called a dumper feeding system. According to the different loading scales, the types of dumpers are also different. They can be divided into dumpers that turn over one carriage at a time, and dumpers that turn over two carriages at a time. The n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G67/48
Inventor 李长安董传博李靖宇
Owner CHINA SHENHUA ENERGY CO LTD