Overflow fineness appreciation, one drop, one liter, no equal drop cyclone, strip unit integration technology

Abstract

The invention relates to a non-equal-settling hydrocyclone and strip-shaped unit integrated technology with two overflow fineness increasing values increased and decreased correspondingly, specifically, an existing two-segment two-closed-path equal-settling hydrocyclone and annular unit integrated technology with two overflow fineness increasing values high and low is transformed into the non-equal-settling hydrocyclone and strip-shaped unit integrated technology with the two overflow fineness increasing values increased and decreased correspondingly, and the effect of balance of the primary grinding amount and the secondary grinding amount is achieved. The important implementation supporting point of the integrated technology is that an original phi 660 mm and phi 500 mm equal-settling hydrocyclone annular unit structure in the background technology is transformed into a phi 660 mm and phi 500 mm non-equal-settling hydrocyclone strip-shaped unit structure, specifically, according to the working principle that the outer rotational flow of the hydrocyclone is converted into the inner rotational flow, the length L, which is 235 mm, of a separation cone of a primary-segment classifying equipment phi 660 mm non-equal-settling hydrocyclone is designed to account for 17.66% of the total length, 1331 mm, of a barrel cone, the length of a separation cone of a secondary-segment classifying equipment phi 500 mm non-equal-settling hydrocyclone is 184 mm, and compared with the length, which is 215 mm, of a separation cone of an equal-settling hydrocyclone, the length of the separation cone is shortened by 31 mm.

Description

technical field [0001] The invention relates to an integration technology of overflow fineness increase-decrease-liter without equal-decrease cyclone bar unit, which belongs to the theory and technology of grinding and grading of middle and low-grade collophosphine and other minerals. [0002] technical background [0003] In the grinding and classification system, the conventional cyclone unit adopts the circular unit Φ660mm equal-decreasing cyclone. The slurry inlet pipe 10 of the annular unit is set at the lower part of the unit, and the slurry is pumped by the slurry pump and enters the slurry distributor through the slurry inlet pipe 10. 3. Distributed to the 4 standby 2 (4 running and 2 spare) Φ660mm equal-down cyclone 1, the cyclone is discharged into the grit chamber 7, and is discharged into the grit sampling chamber through the grit chamber connection 11 12. Return to a section of the ore mill through the grit outlet pipe for regrinding. The overflow product is dis...

AI Technical Summary

Problems solved by technology

The invention provides an integrated technology for overflow fineness increase-decrease-liter without equal-decrease cyclone bar unit

Specifically, the existing two-stage and two-closed circuit overflow fineness appreciation "one high and one low" + equal drop cyclone + ring unit integration technology is transformed into overflow fineness appreciation "one drop and one liter" + no equal drop The integrated technology of cyclone + bar unit solves the balance between the amount of grinding in the first stage and the amount of grinding in the second stage

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