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Paste concentrating machine

A concentrator and paste technology, applied in the direction of settling tanks, feed/discharge devices of settling tanks, chemical instruments and methods, etc., can solve problems such as small torque of the transmission system, low concentration height of the thickening equipment, and inability to operate the slurry. , to achieve the effect of meeting the filling needs, accurate distance and large torque

Active Publication Date: 2015-06-17
CHANGSHA RES INST OF MINING & METALLURGY
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AI Technical Summary

Problems solved by technology

The concentration of slurry to form a paste needs to reach at least 65%, but the concentration of ordinary thickening equipment generally does not exceed 40%, mainly due to the following reasons: 1) The concentration height of the thickening equipment is low, generally only 4-5 meters; 2) The transmission system The torque is small, and it cannot work in high-concentration slurry
At the same time, the fixed rake teeth of ordinary thickening equipment cannot meet the needs of different pools

Method used

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Embodiment

[0023] Such as Figure 1 to Figure 4 The paste concentrator shown is mainly composed of a pool body 1, a feeding device 4, a main shaft 2, a rake frame 3, a rake tooth 5 and a driving device for driving the main shaft 2 to rotate; the height of the pool body 1 is 8-10 m, the compression height of the concentrator in this embodiment is increased from 3 to 4 meters to 8 to 10 meters. On the one hand, the residence time of the ore pulp in the concentrator is prolonged, and the efficiency of solid-liquid separation is improved. On the other hand, the compression The increase in height also increases the pressure on the pulp, which is beneficial to the separation of water and solids in the pulp. In this embodiment, the feeding device 4 is installed on the upper part of the pool body 1; the rake teeth 5 are connected to the main shaft 2 through the rake frame 3; the rake teeth 5 include a steel pipe 6 fixed on the rake frame 3, a rectangular steel plate 7 and U-shaped bolts 8. ...

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Abstract

The invention relates to a paste concentrating machine. The paste concentrating machine comprises a pool body, a feeding device, a main shaft, a harrow frame, harrow teeth and a driving device for driving the main shaft to rotate, wherein the feeding device is mounted at the upper part of the pool body, and the pool body comprises a cylindrical section, a middle cone section and a base cone section; the harrow teeth are connected with the main shaft through the harrow frame, and each harrow tooth comprises steel tubes fixed on the harrow frame, a rectangular steel plate and U-shaped bolts; each rectangular steel plate is fixed on the corresponding steel tube through the corresponding U-shaped bolt, and each rectangular steel plate can move up and down along the corresponding steel tube. The paste concentrating machine disclosed by the invention is large in torque of a transmission system, and can work in high-concentration ore pulp; the harrow teeth can move up and down, so that the distance between the harrow teeth and the pool wall is more accurate and is suitable for different pool bodies in a certain range. By using the paste concentrating machine disclosed by the invention, the underflow concentration of 65% or above can be realized, and paste pulping is realized, so that a filling requirement is met.

Description

technical field [0001] The invention relates to a solid-liquid separation device, in particular to a paste concentrator which concentrates slurry to form a paste. Background technique [0002] With years of production accumulation, the storage capacity of tailings ponds in many domestic mines has gradually reached saturation, and there are production problems such as insufficient storage capacity of tailings ponds, serious waste of water resources, high energy consumption for tailings treatment, and hidden safety hazards in goafs. Underground filling of tailings paste or stockpiling in subsidence areas is becoming the best way for mining enterprises to dispose of tailings. The concentration of slurry to form a paste needs to reach at least 65%, but the concentration of ordinary thickening equipment generally does not exceed 40%, mainly due to the following reasons: 1) The concentration height of the thickening equipment is low, generally only 4-5 meters; 2) The transmiss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/02B01D21/01B01D21/24
Inventor 仝克闻齐丁丁杨慧于丽军陈炳强韦涛刘威曾建红全源张刚刘茗丛日鹏杜震
Owner CHANGSHA RES INST OF MINING & METALLURGY
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