Processing system for separating barite from tailings and method of processing system

Abstract

The invention relates to a processing system for separating barite from tailings. The processing system comprises a PE compound pendulum jaw crusher I, a PE compound pendulum jaw crusher, a twin-roller machine and a vibrating screen, wherein the PE compound pendulum jaw crusher I, the PE compound pendulum jaw crusher, the twin-roller machine and the vibrating screen are connected. The vibrating screen is provided with a raw ore particle discharging port with the particle diameter equal to or greater than 3mm and a raw ore particle discharging port with the particle diameter smaller than 3mm. The raw ore particle discharging port with the particle diameter equal to or greater than 3mm is connected with the twin-roller machine, and the raw ore particle discharging port with the particle diameter smaller than 3mm is connected with a stock bin. A feeder is arranged at the bottom of the stock bin, and a washbox is connected to the tail end of the feeder. A water sprayer is arranged above the washbox, one side of the washbox is connected with a settling pond and a purification pond, and a water segregation sieve provided with two water segregators I is arranged at the bottom of the washbox. The water segregators I are connected with a drying machine provided with a water segregator II. A cyclone dust collector is arranged at the top of the drying machine. A dry concentrate discharging port is formed in the bottom of the drying machine. A main water trough provided with a water flow regulation plate and a branched water trough provided with an overflow regulation plate are arranged on one side of the water segregation sieve. A powdery concentrate settling pond is arranged at the bottom of the branched water trough and connected with a sand suction pump. The settling pond is connected with the purification pond. The invention further discloses a processing method of the system. By adoption of the processing system for separating barite from tailings and the processing method of the processing system, pollution is small, and the purity of obtained concentrate is high.

Description

technical field [0001] The invention relates to the technical field of barite processing, in particular to a processing system and method for separating barite from tailings. Background technique [0002] Barite (BaSO 4 ) is an important barium-containing mineral, which has the characteristics of large specific gravity (4.3~4.7), low hardness (3~3.5), stable chemical properties, insoluble in water and acid, and is mainly used in petroleum, chemical industry, paint, filler 80%~90% of which are used as mud weighting agents in oil drilling. [0003] The choice of barite beneficiation method is affected by the type of ore, the nature of the raw ore, the scale of the mine, and its use. The main beneficiation methods currently used are shown in Table 1: [0004] Table 1: Main beneficiation and processing methods of barite [0005] [0006] For the residual type barite ore, the gravity separation method is generally used for separation, that is, the barite concentrate is sel...

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Problems solved by technology

[0008] However, these methods have the following defects to varying degrees: (1) the problem of dust prevention and small particle ore recovery cannot be solved; (2) the purity of the concentrate; (3) the sedimentation and screening of the mixed mud powder concentrate; (4) the problem of water separation; (5) the problem of circulating water flow

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