Photoelectric Coal Sorting Device Single-Layer Spreading Mechanism
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Solution Overview
Problem
Current photoelectric coal and gangue sorting devices face issues with inaccurate sorting due to ghosting of stacked coal and gangue, and they fail to quickly separate pulverized coal, leading to severe dust and health hazards.
Innovation Solution
A photoelectric coal and gangue sorting device with a sieving mechanism, separating and conveying mechanism, and a sorting unit that includes a support frame, positioning plate, and driving mechanism, which separates and spreads coal and gangue into a single layer, and rapidly sieves pulverized coal to prevent dust accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If photoelectric sorting is used to improve sorting precision, then sorting accuracy is improved, but ghosting occurs when stacked coal and gangue fall side by side causing inaccurate ray penetration
Solution Approach 1:
The separating and conveying mechanism performs preliminary action by spreading coal and gangue into a single layer before they reach the photoelectric sorting position. This prevents stacking and ensures that each piece is sorted individually, eliminating the ghosting problem while maintaining sorting precision
Solution Approach 2:
The separating and conveying mechanism acts as an intermediary between the feeding system and the photoelectric sorting system. It processes the material flow to ensure proper single-layer arrangement before sorting, resolving the contradiction between maintaining precision and avoiding ghosting
2Productivity
If sorting operations are performed without prior sieving, then sorting can proceed, but severe dust is generated that enters respiratory tract and harms operator health
Solution Approach 1:
The sieving mechanism performs preliminary action by removing pulverized coal before the main sorting operation. This pre-processing step eliminates the source of dust generation during sorting, protecting operator health while maintaining sorting productivity
Solution Approach 2:
The sieving mechanism serves as an intermediary filtering system that separates fine pulverized coal from larger coal and gangue pieces before they enter the sorting process. This intermediate separation prevents dust generation during subsequent sorting operations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively increases sorting precision by preventing ghosting and reduces dust, creating a safer working environment by ensuring coal and gangue are sorted accurately and efficiently.
Implementation Method 1
intelligent sorting units, i.e., sorted in ray penetration
Data Source
AI summary
The present invention relates to a photoelectric coal and gangue sorting device and a sorting method therefor. The device comprises a support frame, a coal and gangue separation screen body, a sealing upper cover, a sieving mechanism, a driving mechanism, a separating and conveying mechanism, a positioning plate and a sorting unit; the coal and gangue separation screen body, on the top of which is provided with the sealing upper cover and inside of which is provided with the separating and conveying mechanism, is fixedly installed on one side of the support frame by means of bolts; the side wall of the positioning plate, which is arranged above the separating and conveying mechanism, is fixed to the inner wall of the coal and gangue separation screen body by means of spot welding.