Usage method of gas chemical instability intelligent test device

Abstract

The invention relates to a gas chemical instability intelligent test device, comprising a test container, an electronic ignition device, a temperature control module, a pressure control module, an energy recording module and a control terminal, wherein a gas inlet and a gas outlet are arranged at the top of the test container, a closed test space is formed in the test container by fixing bolts, an electric heater and a heat-insulation layer are sequentially arranged outside the test container and are connected with a pressure sensor and an in-container temperature sensor, and the in-container temperature sensor and a heater sensor regulate test temperature under the control of a temperature sensing control module. After ignition, gas chemical instability can be determined through recording of pressure in the test container. A T-shaped gas guide pipe is connected with the gas outlet, one end of the T-shaped gas guide pipe is connected with an explosion disk fixing nut, and the other end of the T-shaped gas guide pipe is connected with a gas outlet pipeline; and the gas outlet pipeline is provided with a direct exhaust branch and an exhaust branch with a vacuum pump. After reaction, the pressure of test gas in the test container rises up, and when the pressure is higher than a safe pressure value, an explosion disk is exploded automatically to release pressure.

Description

technical field [0001] The invention belongs to a chemical classification test device, in particular to a test device capable of completing the intelligent test of gas chemical stability. Background technique [0002] In order to reduce the hazards of chemicals and ensure the safety of people's lives and property, the United Nations has launched the "Global Harmonized System of Classification and Labeling of Chemicals" (GHS), making it a guide for countries to scientifically dispose of chemicals from a globally unified point of view text. The GHS system divides the hazards of chemicals into three categories, physical hazards, health hazards, and the environment, with a total of 28 items. Among them, the chemical instability of gases refers to the gas in the absence of any reactive accompanying conditions (such as air or oxygen). , causing hazardous reactions by self-decomposition resulting in an increase in temperature and / or pressure. To this end, the gas must be classifi...

AI Technical Summary

Problems solved by technology

Chemical instability is a new classification item in the GHS system. At present, gas chemical instability test devices at home and abroad are mostly modified on the basis of explosion limit test systems, and manual records are used to determine the pressure change rate. Intelligent control and judgment such as pressure recording and gas discharge in the reaction cylinder, and at the same time, manual operation may be directly used during the experiment to increase the risk of the experiment

Images