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A method for measuring the collection and production rate of gas

A measurement method and gas generating device technology, applied in the direction of analyzing materials, sampling devices, instruments, etc., can solve the problems of complex system, expensive, high operation requirements, etc., and achieve the effect of low detection cost, small error, simple and convenient operation

Active Publication Date: 2017-09-05
谱尼测试集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the system is complex and expensive, and the method requires constant system pressure, and it is connected to a computer for precise detection and regulation, and the actual operation requirements are relatively high.

Method used

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  • A method for measuring the collection and production rate of gas
  • A method for measuring the collection and production rate of gas
  • A method for measuring the collection and production rate of gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment one, the mensuration of the generation rate that calcium carbide meets water and emits gas

[0029] (1) Check the airtightness of air bag I (11) and air bag II (14), fill the air bag with rubber double ball, place it under the water surface of the water basin, and observe whether the air bag leaks;

[0030] (2) Then check the airtightness of the gas generating device, install the device, close the knob A (2), disconnect the glass conduit of the gas generating device from the tee, place one end of the glass conduit below the water surface, and hold it with both hands Erlenmeyer flask warm Erlenmeyer flask (3), observe whether bubbles are produced;

[0031] (3) Calibrate the air sampling pump (12) with the model Gilibrator-2 electronic soap film flowmeter of SENSIDYNE company, the actual flow is within ± 5% of the set flow, and meets the requirements for use;

[0032] (4) At the knob B (4) of the gas generating device, connect with the knob C (5) and the knob ...

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Abstract

The invention belongs to the field of the hazardous article freight transportation and detection and relates to a device and method for determining a gas collection and production rate. A to-be-detected substance comes into contact and reaction with water in a gas production device, the variation of the gas production rate is monitored by a floater flowmeter, the released gas is collected by a gas bag, the gas in the gas bag is pumped by an air sampling pump at a constant flow rate, and the average production rate of the gas is calculated according to the recorded reaction time. The gas released by the substance in contact with the water is collected and measured by adopting the method, the operation is simple and convenient, the detection cost is relatively low, and the error is relatively small.

Description

technical field [0001] The invention belongs to the technical field of dangerous cargo transportation, and relates to a method for gas collection and gas generation rate measurement, in particular to a gas bag and air sampling pump to react, collect, and gas generation rate measurement methods for substances released from water when they meet water. [0002] technical background [0003] Dangerous goods that release gas by reacting with water include active metals such as sodium, calcium, and potassium, calcium carbide, organic metal compounds, silicon compounds (such as magnesium silicide, calcium silicide), and aluminum phosphide and potassium phosphide that are prone to produce toxic and harmful gases. Wait. These chemical substances can release flammable gas in contact with water. When the flammable gas is mixed with air to a certain ratio, it is easy to explode in case of open fire. The shock waves and flames generated will cause harm to the human body and the surroundin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N7/18G01N1/24
Inventor 宋薇
Owner 谱尼测试集团股份有限公司