A device for measuring the amount of gas released by dissolved air water

A measuring device, the technology of dissolved air and water, applied in the direction of measuring device, capacity measurement calibration, measuring capacity, etc., can solve the problems of unstable U-shaped pipeline pressure regulation, long measurement time, slow bubble rising speed, etc.

Inactive Publication Date: 2019-06-11
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main problems of the traditional intermittent method measurement device are as follows: 1) The size of the released bubbles is small, the rising speed of the bubbles is slow, and the measurement time is long; 2) The pressure regulation of the U-shaped pipeline is unstable

Method used

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  • A device for measuring the amount of gas released by dissolved air water

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Embodiment Construction

[0013] One example is listed below to illustrate the effects of the present invention, but the scope of claims of the present invention is not limited thereto.

[0014] Such as figure 1 , the dissolved air water outgassing measuring device of the present invention comprises: water inlet pipeline (1), ultrasonic device (2), main body measuring device (3), pressure balance pipeline (4) and graduated cylinder (5); Water inlet pipeline ( 1) One part is placed in the ultrasonic device (2). One end of the main measuring device (3) is connected to the water inlet pipeline (1), and the other end is connected to the pressure balance pipeline (4). The main measuring device (3) includes the observation area (31) And the gas measuring tube (32), a partition (33) is arranged in the observation area (31).

[0015] Ultrasonic device (3) is made of ultrasonic transducer (21), ultrasonic power supply (22) and stainless steel tank (23), and ultrasonic transducer (21) is installed in the bottom...

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Abstract

The invention provides a dissolved air water air release amount measuring device comprising a water inlet pipe, an ultrasound device, a main body measuring device, a pressure balance pipe and a measuring cylinder. The ultrasound device is used as a pre-treatment device, and the dissolved air water air release speed and the bubble size of air release are increased through cavitation and measuring time is shortened. The main body measuring device comprises an air measuring tube and an observation area; a separating plate is added in the observation area to prevent short circuiting of dissolved air water; the pressure balance between the air pressure in the air measuring tube and the environment pressure is controlled by the pressure balance pipe. The device has the advantages of speediness, accuracy and stability.

Description

technical field [0001] The invention relates to a device for measuring the amount of air released by dissolved air water, in particular to a device for measuring the amount of air released by dissolved air water produced by a pressure dissolved air system. Background technique [0002] Dissolved air flotation (DAF) is a solid-liquid separation technology that is widely used in the field of water treatment. In the process of dissolving air, air and water form dissolved air water under pressurized conditions, and are released in the form of microbubbles when the pressure suddenly drops. The energy consumption of the dissolved air system accounts for 50% of the total energy consumption of DAF. The air release amount of dissolved air water is one of the key factors to determine the efficiency of air flotation treatment and evaluate the performance of dissolved air. [0003] At present, there are two main methods for measuring the outgassing amount of dissolved air water: conti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F19/00
Inventor 张文晖张盆杨冰谢晶磊刘佩
Owner TIANJIN UNIV OF SCI & TECH
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