Feed channel of cyclone and cyclone having feed channel

Abstract

The invention discloses a feed channel of a cyclone. The cyclone comprises a cyclone main body and a cavity arranged on the cyclone main body, the cyclone main body is provided with a feed port communicated with the cavity, one end of the feed channel is connected with the feed port, the shape of the inner wall of the feed channel is two externally tangent arcs tangent with the circle of the cross section of the cavity at different positions along the section of the feed direction. The feed channel of the cyclone is convenient for processing and the detection that whether the shape of the feed channel meets the demand is easy, the section of the inner wall of the feed channel is externally tangent arc so as to meet the movement track of the feeding of the material, the abrasion on the feed channel is reduced as far as possible, and the service life is prolonged.

Description

technical field [0001] The invention relates to a feed channel, in particular to a cyclone feed channel and the cyclone. Background technique [0002] The cyclone is a common equipment that can separate and classify solid-solid and solid-liquid according to specific gravity and particle size. Its working principle is centrifugal sedimentation. When the two-phase (or three-phase) mixed liquid to be separated enters the cyclone from the cyclone feed channel at a certain pressure, a strong three-dimensional elliptical strong rotation is generated to reduce turbulent flow. Because there is a particle size difference (or density difference) between coarse particles (or heavy phase) and fine particles (or light phase), the centrifugal force, centripetal buoyancy force, and fluid drag force they receive are different, and they are affected by centrifugal sedimentation. Part of the coarse particles (or heavy phase) is discharged through the bottom outlet of the cyclone, while most ...

AI Technical Summary

Problems solved by technology

like figure 1 As shown, when the feed channel 1 of the cyclone adopts a tangential feed curve, due to the turbulent flow at the tangent position, it has a negative impact on the processing capacity, separation effect and wear of the cyclone, especially in the feed channel 1 Local severe wear will occur on the tangent line 3 of the feed channel 1 at the junction with the cyclone body 2

like figure 2 As shown, when the feed channel 1 of the cyclone adopts the involute feed curve, because the mold processing of the involute 4 is relatively complicated, the machining accuracy is not easy to guarantee, and the position of the final involute produced is not correct. precise

And after the involute mold is processed, it is not easy to detect whether the involute is accurate, so processing and detection are more difficult

As a result, although the feed curve is produced according to the involute method, the final feed curve cannot be guaranteed to be an accurate involute, which will cause the processing capacity, classification effect and wear of the cyclone to reach less than expected effect

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