1. Rotary concentrator 1990s, the study of the mechanical cloud tin lateral belt structure and sorting chute principle, and circular groove structure analysis, the use of disk rotation and the swing motion combined shear proposed Φ3000mm rotary concentrator Development plan.
The industrial prototype of Φ3000mm turntable concentrator has obtained good indicators through laboratory test of different materials, parallel comparison test of similar equipment and industrial test of 2394h in single machine. Some local enterprises have applied to production and received good economics. benefit.
The ore particles on the surface of the turntable sorting machine are subjected to two kinds of moving forces. One is the inherent self-flow motion of the inclined surface flow, and the other is the liquid flow vibration movement caused by the disk surface swirling vibration. Therefore, the shearing action of the ore particles is derived from the synthesis of these two movement forces.
The turntable concentrator is composed of disk surface, transmission system, swinging device, triangular bracket, hanging steel rope and other components, as shown in Figure 1.
The disc 2 is supported on the movable frame 5 through the central positioning shaft 7, and an annular track 13 provided on the bottom surface of the disk falls on the transmission roller 10, the transmission and swinging member 8, the motor 15, the speed reducer 14, the transmission roller 10, and the movable frame 5 is fixed on the tripod; the tripod is hoisted on the triangular bracket 3 by three steel ropes 11. When the motor rotates, the transmission roller 10 is driven to rotate by the transmission member 8 and the speed reducer 14. The drive roller drives the circular track 13 under the disk to rotate clockwise by friction, and the disk surface also rotates clockwise. At the same time as the motor is driven, the swinging member weight 8 also starts to rotate, so that the disk surface is rotated while being subjected to a rapid swinging motion corresponding to the speed of the weight rotation.
When the slurry enters the primary surface of the disk from the center of the disc, the ore flow expands in a fan shape to the periphery. The slurry strengthens the looseness and stratification of the pellets due to the gyroscopic shearing motion of the disk during the flow along the slope. Heavy minerals sink to the bottom of the laminar flow, and with the rotation of the disk surface, they are brought into the middle mining area to the selected area. The washed water is sorted into three products of medium ore, secondary concentrate and concentrate, which are respectively taken in. groove. Light minerals are carried into the tailings tank by the upper slurry stream in the rough selection zone.
The technical parameters of the Φ3000mm turntable concentrator are listed in Table 1.
2. rail vibration machine a multilayer disc reselection Ukrainian ferrous metals and sintered ore beneficiation Development Research and Design Institute of the multilayer disk track vibration machine reselection novel structure, unlike the conventional apparatus reselection. It can be used to process 0~3(0.5)mm granular materials, 0~0.1mm fine grinding materials and 95%~-0.044mm slime materials. The sorting efficiency is high, and the lower limit of effective sorting size is 15~20μm. Can be used for iron ore, rare minerals, non-ferrous ores and precious metal ores reselection.
The machine consists of a sorting disc, a supporting disc, a vibration transmission motor, a platform, a column, a slurry distributor, a mining tank and the like. Figure 2 is a schematic view showing the structure of a KOД-3 type three-layer track disc re-election machine.
The sorting surface of the disc is coated with a polyurethane layer, and when the weak magnetic mineral is selected, a magnetic rubber magnetized by a magnetic pole (magnetic field strength of 40,000 A/m or 500 Oe) is applied. Each sorting disc has 2 feed points and corresponding 2 flush water feed points and concentrate wash rinse points.
The orbital vibrating multi-layer disc re-election machine has a novel structure and is superior to the existing known re-election equipment of the same type. The structural features are as follows: 1 the working surface is formed into a cone shape to slow the movement of the slurry flow from the top to the base; 2 the conical working surface is used for orbital vibration to improve the sorting efficiency; 3 new materials with different roughness are used. As a sorting surface, reduce the moving speed of heavy minerals; 4 in order to carry out continuous discharge of concentrate, the cone is rotated; 5 concentrate is washed to achieve effective sorting; 6 can be made according to the required processing volume, 3 sets , 15 and 30 multi-layer sorters.
The technical parameters of the reselector are listed in Table 2.
   figure 1  figure 2    Table 1  Table 2
In strict accordance with ISO 9001:20015 and all company procedures;
1.Make process card and quality plan
2.Choose the qualified raw material and do incoming test, not allowed
nonconforming material to enter into production process;
3.Producing and testing followed the quality documents
4.Be good at Quality records and product identification to ensure the product
traceability
5.Do the final inspection to ensure 100% of pass.
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