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Muddy water purification method and system

A purification system and turbid water technology, applied in the field of turbid water purification methods and purification systems, can solve the problems of inability to eliminate nitrogen pollution, complex secondary treatment, limited service life, etc., to avoid secondary pollution risks and protect water resources. Effect

Inactive Publication Date: 2019-10-01
SHENZHEN WEITE XINDA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of turbid water purification, reverse osmosis technology can also be used. Reverse osmosis technology has a good effect on removing soluble ions that are difficult to remove by conventional processes, but it cannot eliminate nitrogen pollution, and while producing pure water, it also produces a large amount of Concentrated water, requiring complex secondary treatment
In addition, reverse osmosis technology requires expensive reverse osmosis membrane equipment
Reverse osmosis membrane materials are high-cost consumables with a very limited service life, so reverse osmosis technology is difficult to popularize due to high application costs

Method used

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  • Muddy water purification method and system
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  • Muddy water purification method and system

Examples

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Effect test

Embodiment 1

[0028] A method for purifying turbid water, comprising the steps of:

[0029] S1: Heat the turbid water containing suspended micro-particles to 85°C to decompose and condense the calcium and magnesium ions in the turbid water to form water-insoluble solid particles and condensation cores;

[0030] S2: Cool the turbid water to a temperature of 30°C to further condense the solid particles formed in the turbid water into larger particles;

[0031] S3: Using centrifugal force to make the particles in the turbid water undergo a series of aggregation, adhesion, and flocculation effects of heterogeneous flocculation, coagulation and differential sedimentation, and finally separate the solid particles from the water.

Embodiment 2

[0033] A method for purifying turbid water, comprising the steps of:

[0034] S1: Heat the turbid water containing suspended micro-particles to 95°C to decompose and condense the calcium and magnesium ions in the turbid water to form water-insoluble solid particles and condensation cores;

[0035] S2: Cool the turbid water to a temperature of 40°C to further condense the solid particles formed in the turbid water into larger particles;

[0036] S3: Using centrifugal force to make the particles in the turbid water undergo a series of aggregation, adhesion, and flocculation effects of heterogeneous flocculation, coagulation and differential sedimentation, and finally separate the solid particles from the water.

[0037] In Example 1 and Example 2, after the microcolloids and calcium and magnesium ion compounds in the turbid water were heated up, some of them decomposed and some coagulated to form water-insoluble solid particles. For example, calcium and magnesium ionic substanc...

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Abstract

The invention provides a muddy water purification method. The muddy water purification method comprises the steps that S1, muddy water containing suspended small colloidal particles is heated to 85-95DEG C, so that calcium and magnesium ions in the muddy water are decomposed and condensed to form solid particles insoluble in water and a condensed core; S2, the muddy water is cooled to 30-40 DEG C, so that the solid particles formed in the muddy water are further condensed into larger particles; S3, the particles in the muddy water are subjected to a series of aggregation, adhesion and flocculation effects of perikinetic flocculation, orthokinetic flocculation and differential sedimentation by utilizing centrifugal force, and finally the solid particles are separated from the water. The muddy water purification method has the advantages that no chemical reagent is added in the whole process, and the particle impact adhesion kinetics mechanism and centrifugal separation action are adopted to avoid secondary pollution risks caused by the fact that chemical agents are put to treat the muddy water, that is, the positive effect on protecting water resources is exerted.

Description

technical field [0001] The invention belongs to the technical field of water quality purification, in particular to a turbid water purification method and a purification system. Background technique [0002] Wastewater from water purification plants or sewage treatment plants includes backwash water from filters and sludge discharge from sedimentation tanks, usually called turbid water. Turbid water contains a large number of incompletely utilized flocculants, microcolloidal particles, a large number of liquid chemical components (such as liquid calcium, magnesium ion substances, phosphate or organic components, etc.), bacteria with colloidal particles and suspended solids as the main carrier, various Viruses and pollutants, so direct discharge will pollute the surface water system and cause waste of water resources, that is, further treatment and purification of turbid water is required for recycling. [0003] Micro colloidal particles are relatively evenly distributed in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
CPCC02F1/02C02F1/38C02F1/52C02F9/00
Inventor 邓昌沪邓梁孙勇军杨志明
Owner SHENZHEN WEITE XINDA TECH CO LTD