SU1344704A1 - Method of feeding loose materials to pulp line of hydraulic transportation unit - Google Patents

Abstract

The invention relates to the high-pressure hydraulic transportation of bulk materials, namely to the supply of these materials to the slurry pipeline of a hydrotransport unit. The purpose of the invention is to increase reliability. The method of supplying bulk materials is carried out by a device that contains two chambers 1 and 2. I work alternately. One chamber is loaded with bulk material, and from the other chamber bulk material is removed into slurry pipe 6. Removal occurs by introducing a jet of water from the nozzle located in the lower part of the chamber into the intake pipe 17. At the same time, to prevent the bulk material from hanging over the nozzle and intake pipe 17, before removing material from the chamber, fine fractions are washed out from the bulk material by an upward flow of water supplied to the nozzles. Fine fractions are withdrawn from the chamber with water into the slurry pipeline through a separate pipeline with a shutter. Washed bulk material does not form a vault. 1 il. S (L .10 /; СО 4 4 О N

Description

The invention relates to the high-pressure hydraulic transport of bulk materials, and specifically to methods for supplying bulk materials to the slurry pipeline of a hydrotransport unit.

The purpose of the invention is to increase reliability.

The drawing shows a diagram of an apparatus for carrying out the proposed method.

The device contains two chambers 1 and 2 pulpopitel, working pump 3, pressure 4 and drain 5 pipelines, slurry pipeline 6 and valves 7 and 8. Each chamber is equipped with valve 9, valves 10-15, pipe 16 and intake 17 and bypass pipe 18.

Cameras work in turn / sho. In the position indicated in the drawing, in the chamber 1 its fine-grained fractions are washed out of the material, the chamber 2 is loaded with bulk material.

When the fine-grained fractions are washed out of the material, the flow of liquid from the pump 3 through the discharge pipe 4 through the gates 7 and 14 enters the chamber 1, passes through the layer of material, weighing it and washing the fine-grained fractions from it, and through the nozzle 16 and the gate 11 carries these fractions into pulpovod. After washing the material, the closures 14 and 15 open and the closure 11 closes and through the intake

pipe 17, the material remaining in the chamber is removed by a stream of liquid into the slurry pipeline 6. After the material is removed from the chamber, the closures 12, 14 and 15 are closed,

and the shutter 13 opens and liquid is drained from the chamber. After the chamber is emptied, the shutter 13 is closed, and the shutter 10 is opened and the chamber begins to fill with bulk material. When filling the chamber

With material Q, the air from the chamber is removed through the cavity of the plunger 9. After the chamber is filled, the shutter 10 closes and the locks 11 and 14 open and the cycle repeats.

The shutter 7 serves to disconnect the pulpopitel from the pressure pipe 4, and

5 shutter 8 for washing the slurry pipeline 6.

Claims (1)

Invention Formula The method of feeding bulk materials Q into the slurry pipeline of a hydrotransport installation, which consists in introducing the bulk material from above into the pulpitel chamber and acting on it with a high-pressure water flow for withdrawal into the slurry conduit, characterized in that, in order to increase reliability, before the impact on the granular material it is affected by a high-pressure stream of water by an upward stream of water to flush the fine-grained fractions from the mixture and discharge them through the upper part of the chamber to the slurry line. five