Breaking and separation integrated comprehensive recovery method of chrysotile tailings

A recovery method and technology of chrysotile, applied in chemical instruments and methods, magnetic separation, solid separation, etc., can solve the problems of high energy consumption, long cycle and complicated process of dehydration and drying, so as to improve product value, improve work efficiency and save The effect of infrastructure investment

Inactive Publication Date: 2013-12-11
十堰源禹工贸有限公司
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Problems solved by technology

However, in the production process of this method, chrysotile needs dehydration, drying and other processes, and there are many disadvantages such as high energy consumption for dehydration and drying, long cycle and complicated process.

Method used

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  • Breaking and separation integrated comprehensive recovery method of chrysotile tailings
  • Breaking and separation integrated comprehensive recovery method of chrysotile tailings

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Embodiment Construction

[0019] The following examples will combine the attached figure 1 , figure 2 The present invention is further described.

[0020] A method for integrated recovery of chrysotile tailings crushing and sorting, the steps are as follows:

[0021] 1) Dry the chrysotile tailings in the sun until the water content is less than 5%, put them into the integrated crushing and sorting equipment, crush, grind ore and remove cotton, and sort; Asbestos mixed materials and tailings waste;

[0022] 2) The dusty chrysotile mixture discharged from step 1) is conveyed by screw conveyor 6 and sent to plane rotary sieve 7 for classification, dust removal, fine sand dust removal, and dust removal sieve holes of 0.3 mm to obtain different grades of chrysotile products ;

[0023] 3) The tailings waste discharged from step 1) and the fine sand dust discharged from step 2) are sent to the weak magnetic separator 8 for rough separation, and enriched to obtain magnetic medium ore and tailings.

[002...

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Abstract

The invention provides a breaking and separation integrated comprehensive recovery method of chrysotile tailings, which is characterized by comprising the steps of putting the dried chrysotile tailings in breaking and separation integrated equipment consisting of a pulverizer and a cyclone powder collector, achieving pulverizing and separation by adding 4-8 sand discharge ports on a pulverizing disc of the pulverizer, separating a chrysotile mixed material containing dust and tailing waste, conveying the chrysotile mixed material to a plane revolving screen or a plane shaking screen for classification and dedusting, removing fine sand and the dust, obtaining chrysotile products of different levels, roughing the tailing waste, the fine sand and the dust with a weak magnetic separator, obtaining magnetic middlings and tailings, and conveying the magnetic middlings into a ball mill for milling, and a wet weak magnetic separator for concentrating to obtain magnetite concentrates and tailings. According to the method, two production processes, grinding & asbestos fiber opening, and separation, of the chrysotile tailings are organically combined into a whole, effects of energy conservation and consumption reduction are achieved, and the chrysotile products of different levels and the magnetite concentrates are obtained simultaneously.

Description

technical field [0001] The invention relates to a process technology for comprehensive recovery of useful minerals chrysotile and magnetite from chrysotile tailings, in particular to an integrated comprehensive recovery method of crushing and sorting chrysotile tailings, which belongs to the technical field of comprehensive utilization of tailings. Background technique [0002] At present, chrysotile beneficiation at home and abroad adopts the traditional segmental crushing and segmental suction separation process technology route, that is: drying → crushing → cotton removal → suction separation → sand and dust removal → classification → purification dry air separation process. Among them: the drying part generally adopts natural drying, drum drying, etc.; the crushing and exposing of cotton generally adopts jaw crusher, cone crusher, impact crusher, hammer crusher, wheel mill and other coarse, medium and fine crushing equipment or Cotton opener, etc. Suction and separation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/30B02C21/00
Inventor 陈吉明刘向东
Owner 十堰源禹工贸有限公司
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