Grinding Device for Iron Tailings Silt Processing
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Solution Overview
Problem
The use of iron tailings sand in concrete production is hindered by its rough particles, high corner angles, poor grading, and limestone powder content, leading to issues like separation, bleeding, and poor workability, necessitating a device to process fine particle silt from iron tailings for improved building materials.
Innovation Solution
A production device featuring a grinding cabinet with sliding edge plates, grinding balls, and hydraulic rods that shake and grind the fine particle silt to filter impurities and smooth the particles, reducing frictional resistance and preventing splashing through sealing and structural design improvements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If iron tailings sand is used to prepare concrete, then natural river sand resources are conserved and environmental pressure is reduced, but the concrete exhibits separation, bleeding, and poor workability due to rough particles and high corner angles
Solution Approach 1:
The patent applies preliminary action by processing iron tailings sand before concrete production through a multi-stage mechanism: first using edge plates to flatten particles and reduce corner angles, then using grinding balls to further smooth surfaces. This pre-treatment modifies the particle morphology to improve concrete workability while maintaining the sustainable benefit of using industrial waste material instead of natural river sand.
2Quantity of substance
If iron tailings sand with rough particles and high corner angles is used, then material availability is improved, but frictional resistance increases leading to poor workability
Solution Approach 1:
The device performs preliminary action by mechanically treating iron tailings sand before it is used in concrete production. The edge plates and grinding balls reduce particle roughness and corner angles in advance, thereby lowering frictional resistance and improving workability while maintaining adequate supply of fine aggregate.
Solution Approach 2:
The patent applies parameter changes by modifying the physical characteristics of iron tailings sand particles. Through mechanical action of edge plates and grinding balls, the surface roughness and corner angle parameters are changed, transforming the particles from rough and angular to smoother and more rounded, which reduces frictional resistance and improves concrete workability.
3Ease of repair
If iron tailings sand with high limestone powder content is used, then material utilization is improved, but separation and bleeding phenomena occur
Solution Approach 1:
The device applies preliminary action by treating iron tailings sand before concrete production to reduce particle roughness and corner angles. This pre-treatment helps improve uniformity and reduce separation and bleeding phenomena, enabling better utilization of industrial waste material while maintaining concrete quality.
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 enhances the purity and quality of the building material by filtering impurities, smoothing rough particles, and reducing frictional resistance, thereby improving the efficiency and effectiveness of the concrete production process.
Implementation Method 1
the fine particle silt at the inner end of the grinding cabinet is driven to shake back and forth through the sliding of the grinding cabinet, so as to filter fine impurities in the fine particle silt
Implementation Method 2
the grinding balls will perform grinding treatment on the fine particle silt at the inner end of the grinding cabinet while rotating, to grind and smooth the fine particle silt with rough particles and more corner angles
Implementation Method 3
the gears keep meshing with the toothed grooves, both sides of the fixed box are provided with hydraulic rods, and tail ends of the hydraulic rods are connected with bottom ends of the edge plates
Implementation Method 4
a plurality of leakage grooves are formed in a bottom end of the grinding cabinet and keep communicating with the through groove
Data Source
AI summary
A production device for preparing a building material using a fine particle silt in iron tailings includes an operation desk and a grinding device. During movement of edge plates, gears are located inside a side groove and keep meshing with toothed grooves, the edge plates will drive various gears to rotate along a same direction and drive grinding balls and connecting shafts to rotate while moving, the grinding balls will perform grinding treatment on the fine particle silt at the inner end of the grinding cabinet while rotating.