A spiral chute feeding device with preselection function
A technology of spiral chute and ore feeding, which is applied in the field of spiral chute equipment, can solve the problems that the ore feeding device cannot achieve stable and uniform feeding, shorten the effective separation distance of the spiral chute, and the concentration of the spiral chute fluctuates greatly, etc. Maintenance, inspection and replacement of vulnerable parts, increase the effective sorting distance, and improve the effect of the production environment
Active Publication Date: 2021-04-13
ANSTEEL GRP MINING CO LTD
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Problems solved by technology
The ore feeding device cannot achieve stable and uniform feeding, and the slurry is in a state of disordered particle space distribution when it enters the spiral chute. Therefore, it has a great impact on the separation of the spiral chute and shortens the effective separation distance of the spiral chute. , the spiral chute concentrate grade fluctuates greatly and the recovery rate is low.
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[0030] The present invention will be further described below in conjunction with drawings and embodiments.
[0031] Such as Figure 1 to Figure 8 As shown, a kind of spiral chute feeding device with preselection function of the present invention comprises: feeding box and spiral chute, it is characterized in that: be provided with spiral chute feeding device between feeding box and spiral chute, described The spiral chute feeding device includes from top to bottom: feeding pipe 1 with flange I101, pulp buffer mechanism, pulp equalizer 4, spiral pulp stratifier 5 and fan-shaped pulp belt divider 6;
[0032] Such as Figure 4 , Image 6 As shown, the pulp buffer mechanism includes a pulp buffer pipe 2, a flange II 201 arranged on the upper end of the pulp buffer pipe 2, a pulp buffer diverter 3 concentrically arranged in the pulp buffer pipe 2, and the pulp buffer diverter 3 includes: flange III 301, a vertical shaft 304 vertically connected to the center of flange III 301 th...
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The invention relates to a spiral chute feeding device with pre-selection function, comprising: a feeding box and a spiral chute, characterized in that: a feeding device is arranged between the feeding box and the spiral chute, and the feeding device is from From top to bottom, it includes: feeding pipe, pulp buffer mechanism, pulp equalizer, spiral pulp stratifier and fan-shaped pulp belt divider; the pulp buffer mechanism includes a pulp buffer pipe, and the pulp Buffer flow divider, the pulp divider is a conical cavity structure; the section of the spiral slurry layer is a rectangular cavity; the section of the fan-shaped slurry belt is also a rectangular cavity, and its lower end is fan-shaped The fan surface on the top of the chute corresponds to the same position, and a material dividing partition is arranged in the rectangular cavity of the fan-shaped pulp belt separator. The invention has the advantages of solving the problems of unsteady and uneven ore feeding by the spiral chute, large fluctuations in concentrate grade and low recovery rate; there is no phenomenon of running, popping, dripping and leaking in the ore feeding, and it is convenient for maintenance.
Description
technical field [0001] The invention belongs to the technical field of spiral chute equipment, in particular to a spiral chute feeding device with pre-selection function. Background technique [0002] As a gravity mineral processing equipment, the spiral chute has the advantages of simple structure, large processing capacity, no power consumption, convenient operation and maintenance, etc., and has been widely used in mineral processing production. Most of the spiral chute equipment used in industry currently uses four spiral chute nests, which is called a four-head spiral chute. The principle of beneficiation is: the pulp is fed into the top of the chute and flows down freely along the spiral chute. Due to the difference in specific gravity between the heavy mineral sand and other sand particles, the heavy mineral sand and other sand particles are gradually separated by different centrifugal forces, and the heavy mineral sand remains on the inside of the spiral chute slide....
Claims
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IPC IPC(8): B03B5/62B03B11/00
CPCB03B5/62B03B11/00
Inventor 张国庆徐小革陆占国许洪刚张殿成孙长胜施建军
Owner ANSTEEL GRP MINING CO LTD