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Industrial Wastewater Treatment Methods

A treatment method and technology for industrial sewage, applied in water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc., can solve the problem of untimely discharge of flocs, overload of sludge in sedimentation tanks, and collection efficiency Low problems, to achieve the effect of improving sewage purification effect, reducing operation process and simple process

Active Publication Date: 2020-01-07
宁波清智环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the actual process of coagulation and sedimentation, when the coagulation process is over, most of the flocs will sink to the bottom of the sedimentation tank, but some of the flocs will often float up. The main reasons for this phenomenon are: The discharge of flocs is not timely, which leads to the overload of mud in the sedimentation tank; the gas produced by anaerobic microorganisms in the water, these gases are attached to the flocs and cause the flocs to float
And for the situation that the flocs float up, the method usually adopted in the prior art is to manually collect the floating flocs with a salvage net to get rid of the flocs on the water surface. This method needs to manually monitor the generation of the flocs, and collect less efficient

Method used

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  • Industrial Wastewater Treatment Methods
  • Industrial Wastewater Treatment Methods
  • Industrial Wastewater Treatment Methods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The embodiment is basically as attached figure 1 Shown:

[0028] The industrial sewage treatment method adopts a coagulation machine for coagulation treatment, and the coagulation machine includes an outer bucket 1 and an inner bucket 2; a water injection pipe 20, a drainage pipe 21 and an interlayer 5 are arranged between the outer bucket 1 and the inner bucket 2. The water injection pipe 20 is connected between the top of the outer tub 1 and the top of the inner tub 2; the drain pipe 21 is installed on the bottom of the inner tub 2 and extends to the outside of the outer tub 1, and the drain pipe 21 is equipped with a drain valve 22.

[0029] A sliding rack 11 is slidably connected to the inner wall of the outer tub 1, and a specific sliding structure can be selected to provide a vertical chute 10 on the inner wall of the outer tub 1, so that the sliding rack 11 is clamped and slidably connected in the chute 10; and A reset member is connected between the sliding rac...

Embodiment 2

[0045] The difference between this example and Example 1 is that in step A, 100kg of aluminum sulfate, 10kg of ferrous sulfate and 20kg of polyacrylamide are mixed, and diluted with water to form a solution with a mass fraction of 20% for later use; in step B, the coagulant The volume is 1L, and the volume of sewage is 130L; the standing time in step D is 10min.

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Abstract

The invention relates to the technical field of sewage treatment, in particular to an industrial sewage treatment method. A coagulating machine is adopted to perform coagulating treatment. A coagulating treatment method comprises the steps that A, a coagulating agent is prepared; B, materials are added, wherein a water draining pipe is closed, the inorganic salt type coagulating agent and sewage are added into an inner bucket through a water injecting pipe; C, water is drawn, wherein a water drawing mechanism is started; D, standing is performed; E, water drainage is performed, wherein a waterdraining pipe is opened, and water treated by the coagulating agent is drained out. Floating flocculation can be automatically removed by adopting the scheme.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an industrial sewage treatment method. Background technique [0002] According to the classification of sewage sources, common sewage includes domestic sewage, industrial sewage, agricultural sewage and medical sewage. Sewage treatment methods include physical treatment, chemical treatment and biological treatment. Among them, the chemical treatment method is a wastewater treatment method that separates and removes dissolved and colloidal pollutants in wastewater or converts them into harmless substances through chemical reactions and mass transfer. In the chemical treatment method, the treatment units based on the chemical reaction produced by adding chemicals are: coagulation, neutralization, redox, etc. [0003] Compared with other physical and chemical methods, the coagulation-sedimentation process has the advantages of good effluent quality, stable and reliable pr...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/56
CPCC02F1/5245C02F1/5281C02F1/56C02F2201/002
Inventor 王健
Owner 宁波清智环保科技有限公司
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