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Separation process and device for fine sand with organic matter attached to surface

A separation device and organic matter technology, applied in the direction of water pollutants, immiscible solvent sludge treatment, dehydration/drying/concentrated sludge treatment, etc., can solve the problems of secondary pollution, separation, non-compliance with environmental protection, etc., and achieve promotion Separation, high efficiency, and the effect of improving sorting efficiency and accuracy

Pending Publication Date: 2016-11-09
SAFECLEEN TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In the field of environmental protection, the main component of some slurries to be treated is fine sand with organic matter and other impurities (usually sludge) attached to the surface. How to separate organic matter from fine sand is an urgent problem to be solved. Cleaning the organic matter on the surface of the fine sand will cause secondary pollution, which is not in line with the original intention of environmental protection. Therefore, the organic matter can only be separated from the fine sand by physical methods. However, the fine sand is in a state of being wrapped, and the organic matter has a certain viscosity. Separation by conventional physical measures (eg, centrifugation)

Method used

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  • Separation process and device for fine sand with organic matter attached to surface
  • Separation process and device for fine sand with organic matter attached to surface
  • Separation process and device for fine sand with organic matter attached to surface

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] A separation process for fine sand with organic matter attached to the surface, comprising the following steps: 1) Centrifugally settle the slurry to be treated with fine sand with organic matter attached to the surface, and combine the material at the bottom after centrifugal sedimentation with coarse sand 9 of a certain particle size at the same time Stir and scrub, sieve out fine sand and organic matter from the material after stirring and scrubbing, leave coarse sand 9, and repeat the above process several times; 2) Sorting out the stripped organic matter and fine sand.

[0028] Although the fine sand has a certain hardness and edges and corners, it still cannot be scrubbed in the scrubbing machine 10 when the organic matter is wrapped, and the coarse sand 9 is added as a scrubbing auxiliary material, and the fine sand and the organic matter c...

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Abstract

The invention relates to separation process and device for fine sand with organic matter attached to the surface. The separation process includes the steps of firstly, centrifugally settling to-be-treated slurry of the organic matter attached to the surface, stirring and scrubbing the concentrated solution obtained after the centrifugal settling with coarse sand at the same time, sieving the obtained substances to obtain the fine sand and organic matter, leaving the coarse sand, and repeating the process for several times; secondly, sorting the separating organic matter and fine sand. The separation process has the advantages that the organic matter and fine sand adhered together are separated, and the separation process is low in cost and high in efficiency.

Description

technical field [0001] The invention belongs to the field of environmental protection, and in particular relates to a separation process and device for fine sand with organic matter attached to the surface. Background technique [0002] In the field of environmental protection, the main component of some slurries to be treated is fine sand with organic matter and other impurities (usually sludge) attached to the surface. How to separate organic matter from fine sand is an urgent problem to be solved. Cleaning the organic matter on the surface of the fine sand will cause secondary pollution, which is not in line with the original intention of environmental protection. Therefore, the organic matter can only be separated from the fine sand by physical methods. However, the fine sand is in a state of being wrapped, and the organic matter has a certain viscosity. Separation by conventional physical measures (eg, centrifugation). Contents of the invention [0003] The purpose o...

Claims

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Application Information

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IPC IPC(8): C02F11/12C02F11/00C02F101/30
CPCC02F11/002C02F11/121C02F11/127C02F2101/30
Inventor 陈益人刘学进张民傅磊黄蕾刘本森
Owner SAFECLEEN TECH
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