When using force hydrocyclone should grasp the key points of which a few?

by:Desing      2020-04-05
Hydrocyclone should grasp five key: when using the & # 8195;   ( 1) Picking the right cyclone feed solution.     ( 2) The right feed concentration. Concentration size directly influence the concentration and particle size of the products. Feed concentration is too low, the hierarchical power but the dry ore processing high drop, feed concentration is too high, the slurry viscosity, hierarchical power decrease. The granularity of general grading fine, feed concentration should be lower. Cyclone feed with a sieve every weed residue, sawdust and other sundry, avoid blocking.     ( 3) According to the size and amount of pulp, respectively chosen (structural parameters of the cyclone Each specification) 。     ( 4) Safe cyclone feed pressure. Due to the mine pressure directly affects the capacity of cyclone and grading granularity, the feed pressure, the greater the pulp flow rate is higher, the greater the capacity of cyclone, pulp together in cyclone rotating speed and the centrifugal force is, the greater the grading size is fine. Judge grading granularity in the future, will require must be adapted to the pressure stress is settling in with increase in the number of fine grained, pressure is too small, the overflow of mixed with increase in the number of coarse, it will decline in hierarchical power. Pulp with 0. 05-0. 25000 mpa pressure and the high speed of 5-12 meters per second, from the feed tube according to tangent into the cylindrical shell, immediately around the axis rapid rotation, a lot of centrifugal force. The difference of particle granularity and density in the pulp, the difference of centrifugal force, so they in the cyclone operation rate, and accelerate the rate and direction of each are not identical, thick and heavy particles by centrifugal force is big, be into the wall, according to the spiral trajectory backspin on earth, as grit from grit mouth out. Small, thin and light particles by centrifugal force was brought to the central, in the middle of the conical cylinder form in spiral ore flow activity, as the overflow from the overflow tube. Hydrocyclone separation size categories of ordinary to 0. 3-0. 01 mm.     ( 5) Grit mouth business hydrocyclone diameter changes. Flow sand increases, the amount of grit, concentration, settling of fine particle, flow capacity decreases, and the overflow thinner; Decrease on the other hand, such as heavy sand, sand concentration increased, the overflow of coarse grain increase, excessive flow increase. Grit mouth is the most easy to wear, wear resistant material and other commonly used rubber lining domain to slow down the wear and tear. Hydrocyclone operating principle: pulp to 0. 05-0. 25000 mpa pressure and the high speed of 5-12 meters per second, from the feed tube according to tangent into the cylindrical shell, immediately around the axis rapid rotation, a lot of centrifugal force. The difference of particle granularity and density in the pulp, the difference of centrifugal force, so they in the cyclone operation rate, and accelerate the rate and direction of each are not identical, thick and heavy particles by centrifugal force is big, be into the wall, according to the spiral trajectory backspin on earth, as grit from grit mouth out. Small, thin and light particles by centrifugal force was brought to the central, in the middle of the conical cylinder form in spiral ore flow activity, as the overflow from the overflow tube. Hydrocyclone separation size categories of ordinary to 0. 3-0. 01 mm.
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