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Anticorrosion performance of tubular centrifuge

2019-11-22 16:44:17
times

Anti corrosion performance of tubular centrifuge: the materials separated by tubular centrifuge are generally corrosive, and the materials in contact with materials must meet the requirements of corrosion resistance to ensure safe use.

The type of structural material (304, 316L), sealing ring, gasket material, surface treatment measures (plastic lining, rubber lining, surface coating), and the material of filter cloth should be determined during the selection. The manufacturer can be informed of the material properties (chemical properties, separation temperature, etc.) when selecting the type, so that the manufacturer can put forward suggestions on the material selection of the centrifuge according to the characteristics of the separated medium, and indicate it in the order, so as to ensure the anti-corrosion requirements of the centrifuge. Explosion proof performance: if the materials (or environment) processed by the centrifuge contain flammable and explosive substances such as organic solvents, the centrifuge shall have explosion-proof performance, and the explosion-proof performance shall be determined according to the explosion-proof requirements (grade) of the process. In the past few years, only explosion-proof motors were proposed. In recent two years, nitrogen protection was required in most cases where organic solvents such as solvent were contained in the processed materials. In fact, in order to realize the real explosion-proof of centrifuge, various measures should be taken in terms of machinery, electronic control and accessory configuration, such as: electric control system: explosion-proof isolation barrier, non-contact energy consumption braking system, electrostatic grounding, explosion-proof automatic control.

Mechanical system: explosion proof motor, explosion-proof lamp, anti-collision measures, anti-static drive belt.

Explosion proof accessories: nitrogen protection device, nitrogen online detection, on-site explosion-proof control button.

Therefore, for the occasions with explosion-proof requirements, the user should specify the separated medium, explosion-proof requirements and grade, configure corresponding devices and take appropriate measures to meet the explosion-proof requirements.

Separation performance

Separation performance is a basic function, including separation effect, washing effect, processing capacity, automation degree, etc. At the beginning of ordering, due to the difference of material properties, including viscosity, particle size, density, solid-liquid ratio of slurry and other factors, it is difficult to accurately determine the separation effect. Generally, the separation factor of centrifuge is used to measure the separation effect of centrifuge.

Two phase tubular separator is a kind of equipment which uses centrifugal sedimentation principle to separate suspension. The working principle is as follows: when the suspension to be separated enters into the centrifuge drum, the solid particles with higher density than the liquid phase will quickly settle to the inner wall of the drum under the strong centrifugal force of the drum. The screw conveyor inside the centrifuge pushes the solid deposited on the inner wall of the drum to the drying area at the small end of the drum for further dehydration, and then is discharged through the slag outlet, and the separated clear liquid overflows from the large end of the drum The weir flows out.

Tubular centrifuge


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