Separation device

Abstract

The invention discloses a separation device, which comprises a housing, an overflow groove and a distributor, wherein the upper part of the housing is respectively provided with a feed opening and an overflow vent for discharging a first solid substance with low settling velocity; the lower part of the housing is provided with a second solid substance outlet for discharging the second solid substance with high settling velocity; the middle part of the housing is provided with a water supply opening located between the overflow vent and the second solid substance outlet; the overflow groove is installed on the upper part of the housing and used for receiving the first solid substance discharged from the overflow vent and provided with a first solid substance discharging opening; the distributor is funnel-shaped and arranged between the overflow vent and the water supply opening within the housing; and the top outer peripheral edge of the distributor is connected with an inner wall of the housing. According to the separation device of the invention, a fluidized bed is formed within the housing through injecting water from a water supply tube to the housing so as to separate solid substances with different settling velocities. The solid substance with low settling velocity automatically overflows from the upper part of the housing to the overflow groove. The separation device has good separation effect and simple structure and reduces the cost.

Description

technical field [0001] The invention relates to a separation device, in particular to a separation device for separating solid substances in a suspension having different settling velocities. Background technique [0002] Traditional separation equipment includes screens, cyclones, etc. Screening is mainly to classify the material through different mesh screens, and it can only be used to separate solid particles with larger particle sizes. The cyclone uses the principle of centrifugal sedimentation for solid-solid separation, but it cannot completely separate different solid substances from the suspension, and the separation effect is poor. For example, in the field of hydrometallurgy, it is usually necessary to purify the metals in the leaching solution by precipitation, and then separate solid particles with different particle sizes and weights, such as calcium sulfate and cobalt hydroxide or nickel hydroxide, etc., traditional separation equipment from the leaching solu...

AI Technical Summary

Problems solved by technology

Sieving is mainly to classify the material through different mesh screens, and it can only be used to separate solid particles with larger particle sizes.

The cyclone uses the principle of centrifugal sedimentation for solid-solid separation, but it cannot completely separate different solid substances from the suspension, and the separation effect is poor.

For example, in the field of hydrometallurgy, it is usually necessary to purify the metals in the leaching solution by precipitation, and then separate solid particles with different particle sizes and weights, such as calcium sulfate and cobalt hydroxide or nickel hydroxide, etc., traditional separation equipment from the leaching solution The effect of separating calcium sulfate and cobalt hydroxide is poor, and the separation is not complete

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