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Materials piling method at end of rectangular pre-equalizing materials field

A pre-homogenization and rectangular technology, applied in loading/unloading, program control in sequence/logic controller, electrical program control, etc., can solve problems affecting cement quality and poor mixing effect

Inactive Publication Date: 2006-08-16
沈阳矿山机械有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can achieve the purpose of mixing most of the raw materials well, the mixing effect at the end of the raw material pile is not good, that is, the problem of "end pile effect".
Affect the quality of cement production

Method used

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  • Materials piling method at end of rectangular pre-equalizing materials field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0056] PLC control design can be adopted.

[0057] According to the above theoretical analysis and calculation, PLC mainly calculates the offset ΔL m and end stack residence time T m To control the walking mechanism. In order to meet the control requirements, first set up sensing elements at both ends of the pile, and program parameters such as standard pile height, material bulk density, standard half-bottom width of the pile, and stacker walking speed into the PLC program, and use the number of stacked layers as a variable , the number of layers is input to the PLC by the sensing element set at the end stack, and then programmed in the PLC by the formula

[0058] ΔL=B m -B m-2 ,

[0059] Δ T m = [ π 6 ( B m 2 H m - ...

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Abstract

A material stacking method for the stack end in rectangular pre-homogenized raw materials field of cement mill features that when the stacking machine moves the right end of a stack, its return point is shifted left by a certain distance as compared with previous return point, and it stays for a certain time for stacking. The higher the stack, the less the shift and the longer the stacking time.

Description

technical field [0001] The invention relates to a method for controlling stacking during end stacking in a pre-homogenized rectangular raw material yard in a cement plant. Background technique [0002] In addition to the storage function, the bulk material pre-homogenization stockyard mainly uses stacking and reclaiming equipment to stack and take mixed and homogenized materials with fluctuating quality in a certain order or proportion. At present, in the stacking and reclaiming process of the raw material pre-homogenization rectangular stockyard in the cement plant, the herringbone stacking of the stacker and the full-section reclaiming of the reclaimer are widely used. Although this method can mostly achieve the purpose of mixing raw materials well, the mixing effect at the end of the raw material pile is not good, that is, the "end pile effect" problem. Affect the quality of cement production. The problem of "end pile effect" has become a bottleneck for the cement indus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G65/28G05B19/05
Inventor 朱宏来晓阳马奎文谷波
Owner 沈阳矿山机械有限公司
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