Treatment system and treatment method of solid-liquid mixture

A technology of solid-liquid mixture and treatment method, which is applied in water/sewage treatment, water treatment parameter control, chemical instruments and methods, etc. Reduced impact, reduced demand effect

Active Publication Date: 2018-05-29
柏中环境科技(上海)股份有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the current treatment of this suspension is usually diluted with a large amount of water to ensure that all o...

Method used

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  • Treatment system and treatment method of solid-liquid mixture
  • Treatment system and treatment method of solid-liquid mixture
  • Treatment system and treatment method of solid-liquid mixture

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Embodiment 1

[0073] Such as Figure 1 ~ Figure 3 As shown, a solid-liquid mixture treatment system, the solid-liquid mixture contains inorganic solids, organic matter and water; the solid-liquid mixture treatment system includes a dilution unit S1, a sorting unit S2, a rinsing and dehydration unit S3, The overflow liquid dehydration unit S4, the water treatment unit S5 and the control device. The solid-liquid mixture enters the sorting unit S2 after being diluted with water in the dilution unit S1. The solid outlet of the sorting unit S2 is connected to the elution dehydration unit S3; the liquid outlets of the sorting unit S2 and the leaching dehydration unit S3 are connected to the overflow liquid dehydration unit S4. The solid outlet of the rinsing and dehydration unit S3 is discharged for recycling. The liquid outlet of the overflow dehydration unit S4 is connected to the water treatment unit S5; the dilution unit S1 is connected to the dilution water flow control device 17; the outl...

Embodiment 2

[0085] The above-mentioned system is used to process the solid-liquid mixture, including the following steps:

[0086] Step S1, adding water to the solid-liquid mixture for dilution to obtain a suspension;

[0087] Step S2, sorting stage: sorting the suspension to obtain sorted overflow liquid and sorted particles.

[0088] In step S3, adding rinsing water to the sorted particles for rinsing and dehydration to obtain rinsing overflow liquid and removing solids. Removal of solids can be recycled after rinsing and dehydration.

[0089] Step S4, dehydrating the sorting overflow liquid and the washing overflow liquid to obtain a filtrate and a dehydration residue.

[0090] Step S5, the filtrate needs to be processed for reuse.

[0091] Wherein, the flow rate of the dilution water of the solid-liquid mixture in step S1 is determined by the following steps:

[0092] Step S101, using the first virtual sensor to measure the total solid mass fraction of the diluted suspension;

[...

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Abstract

The invention provides a treatment system and a treatment method of a solid-liquid mixture. The treatment method comprises the following steps: adding water in the solid-liquid mixture for diluting, thus obtaining a suspension solution; sorting the suspension solution, thus obtaining a sorted overflow solution and sorted granules; adding leaching water into the sorted granules for leaching, and dehydrating, thus obtaining a leached overflow solution and a removed solid body, wherein the removed solid body can be recycled after leaching and dehydrating; dehydrating the sorted overflow solutionand the leached overflow solution, thus obtaining filtrate and dehydrated residue, wherein the filtrate can be treated in a water treatment stage; controlling the flow of diluted water according to aset value of diluted solid mass fraction, total solid mass fraction, organic matter mass fraction and residual solid mass fraction after a sorting stage. By adopting the technical scheme of the invention, the water consumption for diluting is optimized, so that the stability and the effectiveness of the whole technology are increased, and the total demand for process water is reduced.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a treatment system and a treatment method for a solid-liquid mixture, in particular to a treatment system and a treatment method for diluting a suspension and recycling particles. Background technique [0002] Particulate matter in the environment, such as sediment deposits in surface water or contaminated soil, usually must be removed. In order to reduce the amount of waste and to recycle part of the material, the suspension needs to be treated. This process typically involves sorting and rinsing one or more size fractions. [0003] Suspensions are characterized by a mixture of inorganic particles, organic solids and water. For separation and rinsing, the first step in the suspension treatment process must be dilution with water. Dilution is a prerequisite for mobilizing particles and separating organics from inorganics. The minimum ratio of dilu...

Claims

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Application Information

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IPC IPC(8): C02F1/00C02F101/30
CPCC02F1/00C02F2101/30C02F2209/01C02F2209/10C02F2209/20Y02P10/20
Inventor 付思特梅舟
Owner 柏中环境科技(上海)股份有限公司
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