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Integrated efficient energy-saving sewage deep treatment device

A high-efficiency, energy-saving, advanced treatment technology, applied in water/sewage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as slow reaction speed, waste of resources, expensive plates, etc., to achieve increased The probability of contact reaction, the effect of slowing down the rising speed of bubbles and prolonging the contact time

Pending Publication Date: 2019-04-05
无锡市河净环境工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the process equipment for treating this kind of sewage adopts advanced oxidation, such as Fenton oxidation, iron-carbon micro-electrolysis, electrocatalytic oxidation, oxidative gas (such as O3, CL2, CLO2, etc.) catalytic oxidation, etc. The problem of high consumption and large investment brings a heavy burden to users
Fenton oxidation and iron-carbon micro-electrolysis need to adjust the pH value to react under acidic conditions, and then adjust the pH value to coagulate under alkaline conditions, resulting in a large amount of acid and alkali and high operating costs.
The plate of electrocatalytic oxidation is expensive and consumable, and there are problems such as competing side reactions and plate pollution during operation, resulting in unstable treatment effects and high operating costs.
The catalytic oxidation of oxidizing gas in traditional equipment is generally a one-time reaction. After the first reaction, the residual gas containing a large amount of active ingredients is directly discharged out of the equipment without being used, and the contact mode of gas and water is mostly in the same direction, resulting in gas, water The reaction speed is slow and the utilization rate is not high; because of the incomplete reaction between the effective gas and the sewage, resources are wasted and energy consumption increases
Therefore, the traditional oxidizing gas catalytic oxidation equipment is limited in practical application.

Method used

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  • Integrated efficient energy-saving sewage deep treatment device
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  • Integrated efficient energy-saving sewage deep treatment device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: as figure 1 , 2As shown, an integrated high-efficiency and energy-saving sewage advanced treatment device includes an inner cylinder 1 and an outer cylinder 2, the inner area of ​​the inner cylinder 1 is a one-effect reaction zone 3, and the area between the inner cylinder 1 and the outer cylinder 2 It is the second-effect reaction zone 4, the cross section of the inner cylinder 1 and the outer cylinder 2 is circular, the inner cylinder 1 is located at the center of the outer cylinder 2, and the first-effect reaction zone 3 and the second-effect reaction zone 4 share the same bottom. A catalyst layer 23 is provided in the first-effect reaction zone 3 and / or the second-effect reaction zone 4, and a catalyst is provided in the catalyst layer 23, and the catalyst is a single substance or oxide of aluminum, copper, zinc, iron, nickel, titanium, and manganese metals. a mixture of one or more. The height of the inner cylinder 1 is lower than that of the outer ...

Embodiment 2

[0038] Embodiment 2: Referring to Example 1, the bottoms of the first-effect reaction zone 3 and the second-effect reaction zone 4 are separated.

Embodiment 3

[0039] Embodiment 3: Referring to Example 1, there is a distance between the bottom of the water-sealed pressure gas collection tank 5 and the top of the inner cylinder 1, the bottom of the water-sealed pressure gas collection hood 5 does not have a bell mouth, and the diameter of the inner cylinder 1 is larger than the water-sealed pressure collection The diameter of air groove 5.

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PUM

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Abstract

The invention provides an integrated efficient energy-saving sewage deep treatment device which comprises an inner cylinder and an outer cylinder. The inner area of the inner cylinder is a first effect reaction area, the area between the inner cylinder and the outer cylinder is a second effect reaction area, a water sealed pressure air-collecting hood is arrange don the upper portion of the innercylinder, an oxidation gas inlet and a circulating system water outlet are formed in the lower side wall of the outer cylinder, the oxidation gas inlet is led into the first effect reaction area through a gas inlet pipeline, a water outlet is formed in the upper side wall of the outer cylinder, a water inlet is formed in the water sealed pressure air-collecting hood or the inner cylinder, the water sealed pressure air-collecting hood is provided with a gas recycling opening, the retained gas discharging port is formed in the top of the outer cylinder, a circulating system water inlet is formedin the first effect reaction area, and the circulating system water inlet is connected with a circulating system water outlet. According to the device, cross flow of water and gas is formed in the water sealed pressure air-collecting hood, reaction efficiency of the gas and the sewage is enhanced, and the probability of contact reaction among oxidation gas and pollutions in the sewage can be effectively increases by a cross flow mode, so that reaction effects are enhanced.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to an integrated high-efficiency and energy-saving sewage advanced treatment device. Background technique [0002] Industrial sewage, domestic sewage, and surface water often fail to meet the treatment requirements after being treated by biochemical treatment, sedimentation and other process equipment. This type of sewage is often some slightly polluted sewage. This type of sewage contains organic matter that is difficult to degrade or ammonia nitrogen (especially organic nitrogen), total phosphorus (especially organic phosphorus), iron, manganese, phenols, benzene rings, cyanide, color, etc. Degree and other over-standard issues. At present, most of the process equipment for treating this kind of sewage adopts advanced oxidation, such as Fenton oxidation, iron-carbon micro-electrolysis, electrocatalytic oxidation, oxidative gas (such as O3, CL2, CLO2, etc.) The problems of hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72
CPCC02F1/722C02F1/725C02F2305/023
Inventor 汪孟波陈寒汪叔波
Owner 无锡市河净环境工程有限公司