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Bubble generation system and method for teaching demonstration

A technology of bubble generation and bubble generation device, which is applied in the field of bubble generation system for teaching demonstration, can solve the problems of simple equipment, single bubble generator, and inability to realize intelligent control, etc., and achieves the advantages of convenient operation, simple structure and favorable detection Effect

Active Publication Date: 2017-11-07
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, most of the above-mentioned bubble generators are single, and the equipment is poor, and the intelligent control cannot be realized in the experimental process, so as to realize the function of changing various parameters of the bubbles as required

Method used

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  • Bubble generation system and method for teaching demonstration
  • Bubble generation system and method for teaching demonstration
  • Bubble generation system and method for teaching demonstration

Examples

Experimental program
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Effect test

Embodiment 1

[0043] The system, such as figure 1 As shown, it includes a water source 1 and an air source 9. The water source 1 communicates with the air bubble generator 4 through an inlet pipe 16 provided with a water pump 2 and a water valve 3 in sequence, and is connected to the air bubble generator 4 through a return pipe 8 from another outlet of the air bubble generator 4. water source 1;

[0044] The outlet of the gas source 9 is connected to the pipeline that is provided with the air pump 10, the inlet valve 11 and the gas outlet valve 18 in sequence, and then communicates with the gas source 9 through the gas return pipe 17 from the gas outlet valve 18;

[0045]Between the inlet valve 11 and the outlet valve 18, a first decompression valve 12 and a second decompression valve 13 are respectively connected through two pipelines, and the first decompression valve 12 is connected to the bubble generating device 4 through the first inlet pipe 7. Communication, the second decompression...

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Abstract

The invention belongs to the teaching instrument technical field, and relates to a bubble generation system for teaching demonstration; the bubble generation system comprises a water source and a gas source respectively connected with a bubble generator; a first adjusting valve and a second adjusting valve are arranged between the gas source and the bubble generator; a magnetron flow divider is arranged between the second adjusting valve and the bubble generator so as to divide the gas into two gas paths, thus controlling a pneumatic pull bar to move; the system control method comprises the following steps: injecting water from the water source to a gas discharge chamber until a display pipe is filled with water; using the first adjusting valve to fill high pressure gas into a gas balancing chamber; using the magnetron flow divider to adjust the pneumatic pull bar to move up and down, thus forming bubbles; observing bubble changes in the display pipe. The advantages are that the bubble generation system is simple in structure, easy to control, can change the shapes and sizes of more than 300 kinds of bubbles, and the bubble changes can be directly and easily observed, thus effectively demonstrating the bubble changes, and assisting the industrial laboratory detections; the bubble generation system is low in cost and easy to maintain.

Description

technical field [0001] The invention belongs to the technical field of teaching instruments, and relates to a bubble generation system and method for teaching demonstration. Background technique [0002] Now, in production and daily life, various shapes of bubbles are often observed. Especially in some industrial production occasions, different shapes of bubbles mean that the production environment is different. Quantitatively measuring the conditions for the generation of different shapes of bubbles has a great impact on Industrial production is instructive. In teaching, in order to enable students to master the corresponding knowledge, experiments such as adding different bubbles to the liquid are often used to make it easier for students to master knowledge. For example, in the teaching of fluid mechanics, bubbles in water can display various shapes due to different water flow conditions, pressure and other factors, which involves very complicated principles of fluid mec...

Claims

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Application Information

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IPC IPC(8): G09B23/12
CPCG09B23/12
Inventor 仝卫国丁续达顾浩李敏霞姚吉行李慧张一可
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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