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Air-pressure type constant-pressure liquid supply device

A pneumatic, liquid supply technology, applied in measuring devices, instruments, fluid dynamics tests, etc., can solve the problems of liquid supply pressure fluctuation, waste of resources, dependence on power supply, etc., to improve stability, save energy, and simple equipment. Effect

Inactive Publication Date: 2012-07-04
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the problem that the traditional liquid supply device has large fluctuations in liquid supply pressure, serious waste of resources, and dependence on power supply, and provides a pneumatic constant pressure liquid supply device

Method used

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Embodiment Construction

[0027] The present invention will be further described below according to accompanying drawing:

[0028] according to figure 1 It can be seen that the pneumatic constant pressure liquid supply device consists of a liquid storage container 1, a high-pressure gas cylinder 2, an air pressure source 3, first, second, third, fourth, fifth, sixth, seventh, eighth, and first Nine, tenth high-pressure air pipes 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j, gas cylinder valve 5, tee 6, gas cylinder pressure gauge 7, pressure reducing valve 8, pressure gauge 9, Air supply valve 10, safety valve 11, exhaust valve 12, first and second liquid inlet pipes 13a and 13b, liquid inlet valve 14, liquid inlet funnel 15, first, second and third liquid supply pipes 16a and 16b , 16c, precision digital hydraulic gauge 17, liquid supply valve 18 and other components.

[0029] It is characterized in that: the liquid storage container 1 is a closed container, the top of the liquid storage container 1 is pr...

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Abstract

The invention discloses an air-pressure type constant-pressure liquid supply device. A liquid-storage container is a closed container; an exhaust valve is arranged at the top of the liquid-storage container; and an air bag is arranged in the liquid-storage container. A high-pressure air bottle is connected with an air bottle valve through a high-pressure air pipe; the air bottle valve is connected with a tee joint through another high-pressure air pipe; a left connector of the tee joint is connected with an air bottle barometer, a press-reducing valve, a barometer and a pressure release valvein sequence through another high-pressure air pipes; the pressure release valve is connected with the air bag through a seventh compressed air pipe; and a right connector of the tee joint is connected with an air supply valve, a safety valve and an air pressure source in sequence through another high-pressure air pipes. A liquid supply pipe is arranged at the bottom of the right side wall of the liquid-storage container; a right connector of the liquid supply pipe is connected with a precision digital hydraulic pressure gauge which is connected with a liquid supply valve through the liquid supply pipe; a liquid inlet pipe is arranged at the bottom of the left side wall of the liquid-storage container; and a left connector of the liquid inlet pipe is connected with the liquid inlet valve. The invention has simple structure and convenient operation, can realize constant-pressure liquid supply and can be used for soil seepage tests and earth pillar leaching tests.

Description

technical field [0001] The invention relates to the technical field of experimental measuring instruments, in particular to a pneumatic constant pressure liquid supply device, which provides a constant pressure supply device with stable pressure and long-term operation without power supply for scientific experiments such as soil seepage test and soil column leaching test. liquid device. Background technique [0002] Hydraulic experiment is a kind of basic physical mechanics experiment, and it is one of the main research methods of hydraulics and seepage mechanics research, and a complete set of constant pressure liquid supply device is the necessary equipment for hydraulic experiments. [0003] At present, the commonly used liquid supply devices are generally float type and self-overflow liquid supply devices, which are relatively popular liquid supply devices, and their functions are relatively single, which cannot meet the test accuracy requirements in the fields of scient...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M10/00G01N13/00G09B23/12
Inventor 陈善雄王绪民
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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