A Dynamic Observation and Control System of Air Flotation Microbubbles

A control system and micro-bubble technology, which is applied in the direction of measuring devices, water treatment parameter control, flotation water/sewage treatment, etc., can solve the problems of limitations, real-time monitoring powerlessness, and inability to respond to the size of bubbles in the contact area in time to achieve measurement The bubble size is accurate and the effect of enhancing the control range

Active Publication Date: 2019-07-09
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

In addition, the measurement method of the bubble size needs to introduce the water containing the bubbles into the observation tank, and then use the camera method to collect image information for data analysis. The obtained bubble size is relatively accurate, but it cannot reflect the bubble size in the contact area in time. Limited to laboratory research, powerless for real-time monitoring in large-scale industrial applications

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  • A Dynamic Observation and Control System of Air Flotation Microbubbles
  • A Dynamic Observation and Control System of Air Flotation Microbubbles
  • A Dynamic Observation and Control System of Air Flotation Microbubbles

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[0021] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0022] Such as figure 1 As shown, a dynamic observation and control system for air-floating microbubbles, including:

[0023] A bubble dynamic test device composed of a beam transmitter 3, a metering tank 2 and a photodiode receiver 1 arranged in the air flotation area 18; the metering tank 2 is a cuboid with a fixed volume, and the gas produced by passing through a unit volume in a unit time is measured. The pulse signal is used to represent the number of bubbles, and the density of the bubbles can be obtained. If the volume of the contact area is known, the total number of bubbles can be calculated.

[0024] The pressure relief valve gas meter 13 arranged on the pressure tank 19;

[0025] The air flotation gas meter 10 and the oxidation gas meter 8 are respectively installed on the two paths separated from the outlet of the ozone generator 9...

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Abstract

The present invention realizes the real-time monitoring of the bubble size through a dynamic observation and control system of the air-floating micro-bubbles by using the principle of optical barrier particle counting, and overcomes the problem of time lag in the traditional measurement of the bubble size; The secondary control of size solves the limitation of too small control range; the present invention realizes real-time and accurate measurement of bubbles through a dynamic observation and control system of air flotation micro-bubbles, expands the range of bubble size adjustment, and improves air Float handling flexibility.

Description

technical field [0001] The invention belongs to the technical field of advanced sewage treatment, and in particular relates to a dynamic observation and control system for air flotation microbubbles. Background technique [0002] As an advanced treatment process for urban sewage, the ozone air flotation process combines ozone oxidation technology and air flotation separation technology to simultaneously complete demulsification, flocculation, solid-liquid separation, color removal, smell, taste, disinfection, etc. in one operating unit. multiple processes. The size of the bubbles in the air flotation process is an important factor affecting the treatment effect of the process, so the effective regulation of the size of the bubbles in the process operation is the key to improving the treatment efficiency. At present, the commonly used control method is to adjust the dissolved air pressure, which can only reflect the size of the bubbles through the size of the air pressure, b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/24C02F1/78G01N15/02
CPCC02F1/24C02F1/78C02F2103/001C02F2209/01C02F2209/03C02F2209/38C02F2209/40G01N15/0205
Inventor 金鹏康金鑫刘颖韩冬
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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