Dissolved air flotation apparatus

A technology of dissolved air flotation and dissolved air tank, which is applied in the direction of flotation water/sewage treatment, etc., can solve the problems of unbalanced water pressure and air pressure in the return flow, and achieve the effects of stable operation, good treatment effect and simple operation.

Inactive Publication Date: 2012-04-04
山东金昊三扬环保机械有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem of unbalanced return water pressure and air pres

Method used

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  • Dissolved air flotation apparatus
  • Dissolved air flotation apparatus

Examples

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Example Embodiment

[0010] Such as figure 1 As shown, the top of the gas dissolving tank 1 of the present invention is connected to the air compressor 2 and the separation chamber 3 through pipes. The pipeline between the dissolving gas tank 1 and the separation chamber 3 is provided with a reflux pump 4, and the gas dissolving tank 1 The bottom of the separator is connected to the bottom end of the separation chamber 3 through a pipe, the partition 5 is set at the inner end of the gas tank 1, the slag scraper 6 is located at the middle of the upper end of the gas tank 1, the water inlet 7, the water outlet 8 and the slag discharge Ports 9 are respectively provided at both ends of the dissolved gas tank 1. With the above settings, the sewage enters the separation chamber 3 from the water inlet 7 through the dosing and flocculation. At the same time, the reflux pump 4 and the air compressor 2 are turned on, and the dissolved gas tank 1 starts to enter the water and air. When the steam and water mer...

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Abstract

The invention discloses a dissolved air flotation apparatus. The dissolved air flotation apparatus is characterized in that: the top of a dissolved air tank is respectively connected with an air compressor and a separation chamber through pipelines, a reflux pump is arranged on the pipeline between the dissolved air tank and the separation chamber, the bottom of the dissolved air tank is connected with one end of the bottom of the separation chamber through the pipeline, a partition is arranged on one end in the separation chamber, a scum skimmer is arranged at the middle of the upper end of the separation chamber, and a water inlet, a water outlet and a scum discharge outlet are respectively arranged on both ends of the separation chamber. The dissolved air flotation apparatus is suitable for treating water with low turbidity, high chroma, high organic matter content, low oil content, low surface-active substance content or rich algae, is easy to operate, can stably operate, and has a good treatment effect.

Description

technical field [0001] The invention relates to a sewage treatment equipment, in particular to a dissolved air flotation device. Background technique [0002] The return water of the dissolved air tank of the existing dissolved air flotation machine is unbalanced with the air intake pressure of the air compressor, and the liquid phase and gas phase of the dissolved steam water released by the releaser in the air flotation run alternately, resulting in high load, unstable operation of the equipment, and safety. Poor performance, difficult to operate after running. The treatment effect of the equipment is poor, and the equipment stops running when it is serious. Contents of the invention [0003] In order to overcome the problem of unbalanced backflow water pressure and air pressure, the object of the present invention is to provide a dissolved air flotation device. [0004] In order to achieve the above object, the top of the gas dissolving tank of the present invent...

Claims

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Application Information

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IPC IPC(8): C02F1/24
Inventor 管清春
Owner 山东金昊三扬环保机械有限公司
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