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Grinding classification and flotation carbon removal system

A grinding and flotation technology, applied in flotation, solid separation, cyclone devices, etc., can solve the problems of unsatisfactory concentrate grade and recovery rate, and achieve the effect of reducing impact, improving operating environment and ensuring classification effect.

Active Publication Date: 2019-09-10
丹东丹银矿冶有限责任公司
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Problems solved by technology

[0008] Reverse flotation occurs in the beneficiation system (the gold grade of the final concentrate is lower than the gold grade of the middle mine), and the concentrate grade and recovery rate are not ideal

Method used

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as figure 1 As shown, a kind of ore grinding classification and flotation carbon removal system provided by the present invention includes a first-stage ore grinding system, a second-stage grinding system and a flotation carbon removal system 100, wherein,

[0033] The one-stage grinding system is used for primary grinding and grading of raw ore, the classified coarse pulp returns to the one-stage grinding system for further grinding, and the fine pulp enters the second-stage grinding system;

[0034] The second-stage grinding system further grinds and classifies the first-stage grinding slurry, and the classified coarse ore pulp returns to the second-stage grinding system to continue grinding, and the fine ore pulp enters the flotatio...

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Abstract

The invention belongs to the technical field of the beneficiation technology, in particular to an ore grinding classifying and flotation carbon removing system. The ore grinding classifying and flotation carbon removing system comprises a first-section ore grinding system, a second-level ore grinding system and a flotation carbon removing system. The first-section ore grinding system is used for primary grinding and classifying of raw ore. The second-section ore grinding system is used for further pulverizing and classifying first-section ore grinding ore pulp. The flotation carbon removing system comprises a stirring tank, a rough selecting device, a fine selecting device, a scavenging device and a thickener, wherein the stirring tank is connected with the second-level ore grinding systemand the rough selecting device, the two ends of the rough selecting device are connected with the fine selecting device and the scavenging device correspondingly, and the thickener is connected withthe rough selecting device and the fine selecting device. According to the ore grinding classifying and flotation carbon removing system, fine selecting and other sorting operation environments are improved, influences of carbon on the beneficiation technology index are reduced, and the technology indexes are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of beneficiation technology, in particular to an ore grinding and grading and flotation carbon removal system. Background technique [0002] In the field of mineral processing at home and abroad, grinding and grading operation is an indispensable and important process link. In view of the inherent potential of the operation, it is of great significance to seek an effective way of grinding and grading with high efficiency for the experimental research of automatic control of grinding and grading. [0003] At present, in the existing grinding and classification process, a simple method of adding a large ball is adopted in the mill. The first stage of the mill only adds Φ100 steel balls per day, and the second stage adds Φ60 steel balls. The unit consumption of steel balls is 1.75 pieces / T, the amount of processed ore is 530 tons / day, and the grinding fineness -200 mesh accounts for 88%. This ball replenishme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B04C9/00B03D1/02B03B1/00B03B1/04B02C17/10
Inventor 刘德超
Owner 丹东丹银矿冶有限责任公司
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