Pressure-type safe cyanobacteria-containing water treatment device

A water treatment device and technology of a treatment device, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of low cyanobacteria removal efficiency, secondary pollution of water quality, coagulant Large consumption and other issues, to achieve the effects of reduced water production costs, water quality safety, and investment savings

Inactive Publication Date: 2015-12-30
江苏鑫东方环保设备科技有限公司
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Problems solved by technology

However, the currently used technology has low removal efficiency for cyanobacteria. The pre-oxidation coagulation sedimentation process can remove about 70%, and the pre-oxidation air flotation process can remove about 80%.
A large number of algae float in the sedimentation tank or enter the filter tank, which increases the load of the filter tank; the amount of coagulant used is large, and the dosage of aluminum sulfate still needs to be 50-70mg/L; the air flotation process still needs to treat 10% of the water volume 0.4M

Method used

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  • Pressure-type safe cyanobacteria-containing water treatment device

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[0008] Pressure-type safe cyanobacteria water treatment device, said water treatment device includes water inlet 1, pressure source 2, pressurized tank one 7, pressurized tank two 8, water outlet 9, coagulation sedimentation tank 10 and filter tank 11. The pressure tank one 7 and the pressure tank two 8 are arranged in parallel, the water inlet 1 is connected to the pressure tank one 7 and the pressure tank two 8 respectively, and the pressure tank one 7 is respectively provided with valves One 3 and valve two 5, the pressure tank two 8 is provided with valve three 4 and valve four 6 respectively, and the pressure source 2 passes through valve one 3 and valve three 4 to pressurize tank one 7 and The pressure is injected into the pressure tank two 8. The pressure tank one 7 and the pressure tank two 8 are respectively connected to the coagulation sedimentation tank 10 through the valve two 5 and the valve four 6, and the coagulation sedimentation tank 10 is connected to The filt...

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Abstract

The invention relates to a pressure-type safe cyanobacteria-containing water treatment device which comprises a water inlet, a pressure source, a pressurization tank I, a pressurization tank II, a water outlet, a coagulating sedimentation tank and a filter tank, wherein the pressurization tank I and the pressurization tank II are arranged in a parallel connected manner; the water inlet is communicated with both the pressurization tank I and the pressurization tank II; a valve I and a valve II are separately arranged on the pressurization tank I; a valve III and a valve IV are separately arranged on the pressurization tank II; the pressure source injecting pressure into the pressurization tank I and the pressurization tank II through the valve I and the valve III respectively; the pressurization tank I and the pressurization tank II are communicated with the coagulating sedimentation tank through the valve II and the valve IV respectively; the coagulating sedimentation tank is communicated with the filter tank; a coagulant is arranged in the coagulating sedimentation tank; a disinfectant is arranged in the filter tank. The device is safe, efficient, energy-saving and environment-friendly.

Description

technical field [0001] The invention relates to a water treatment device, in particular to a pressure type safe cyanobacteria water treatment device. Background technique [0002] At present, domestic cyanobacteria removal technologies mainly include pre-oxidation coagulation sedimentation filtration and pre-oxidation air flotation filtration technology. Pre-oxidation can kill algae, oxidize the surface coating of algae, oxidize the organic matter on the surface of clay particles, improve the coagulation performance of algae particles and clay particles, combine cyanobacteria with coagulants, increase the density of combined flocs, and make them able to settle. The air flotation technology is to inject high-pressure dissolved air water into the water, release tiny air bubbles into the water, adhere to the surface of the flocs, increase the buoyancy of the flocs, and make the flocs float to the water surface for removal. However, the currently used technology has low remova...

Claims

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Application Information

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IPC IPC(8): C02F9/04
Inventor 费广武丛海兵屈撑囤林朋飞
Owner 江苏鑫东方环保设备科技有限公司
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