A pressurized gas-dissolving coal slime mixer

A technology of pressurized dissolved gas and slurry mixing, applied in the direction of solid separation, etc., can solve the problem that it is difficult to effectively improve the adhesion speed of target minerals and bubbles in coal slime, increase the difference in surface hydrophobicity between minerals, and reduce target minerals and bubbles. problems such as the probability of bubble desorption, to achieve the effect of improving unit processing capacity, reducing drug consumption, and enhancing adaptability
CN107497591BActive Publication Date: 2019-04-09TANGSHAN BRANCH COAL SCI ACAD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TANGSHAN BRANCH COAL SCI ACAD
Publication Date
2019-04-09

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Abstract

The invention relates to a pressurization gas dissolution type coal slime mixing device, and belongs to the technical field of coal slime flotation equipment. The pressurization gas dissolution type coal slime mixing device is used for coal slime flotation pulp mixing treatment. According to the technical scheme, the pressurization gas dissolution type coal slime mixing device comprises a pressurization bin, an ore pulp feeding jetting device, a stirring pulp mixing device and a pressure reduction discharging device; the pressurization bin is of a cylindrical structure, ellipsoid-shaped sealing heads are arranged at the two ends of the pressurization bin, the sealing head at the upper portion is connected with a barrel of the pressurization bin through a detachable flange, the sealing head at the lower portion and the barrel of the pressurization bin are welded, and the ore pulp feeding jetting device, the stirring pulp mixing device and the pressure reduction discharging device are all installed in the pressurization bin. According to the pressurization gas dissolution type coal slime mixing device, the characteristics of aerosol feeding, intense stirring and the like are kept, the gas dissolution time is prolonged, the gas dissolution pressure is improved, the process of microvesicle separation is highlighted, the coal slime mixing effect is strengthened, and adaptability of flotation equipment for inlet flotation ore pulp is strengthened. The pressurization gas dissolution type coal slime mixing device has the beneficial effects that the unit treatment capacity of the flotation equipment can be improved, and agent consumption is reduced; and the pressurization gas dissolution type coal slime mixing device is very suitable for flotation of low-rank coal slime with poor surface hydrophobicity and slime with large particle size.
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Description

technical field

[0001] The invention relates to a pressurized air-dissolved coal slime mixer used in the slurry mixing link of a flotation process, and belongs to the technical field of coal slime flotation equipment. Background technique

[0002] Slurry conditioning is a single or combined action of mechanical stirring, electrochemical treatment, magnetization, ultrasonic waves, etc., to pretreat the slurry before coal slime flotation. The main purpose is to increase the difference in particle surface hydrophobicity.

[0003] At present, the coal slurry mixing equipment mainly includes a slurry preparer, a slurry preprocessor, a powerful mixer and a surface modifier. However, during the process of use, it was found that these equipments have the following defects: ① There is no suitable theoretical basis in the large-scale process of the existing slurry mixing equipment, resulting in relatively poor slurry mixing effect of large-scale equipment; ② For low-rank coal slime wi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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