An adiabatic acceleration calorimeter based on the temperature measurement of the inner surface of the sample cell
An accelerated calorimeter, temperature measurement technology, applied in the direction of measuring heat, thermometer, measuring device, etc., can solve the problem of sample heat loss, difficult to achieve ideal thermal insulation and other problems
Active Publication Date: 2021-09-14
NANJING TECH UNIV
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[0005] The present invention proposes an adiabatic acceleration calorimeter based on the temperature measurement of the inner surface of the sample cell, and its purpose is to solve the problem that the heat of the sample is lost due to the absorption of reaction heat by the sample cell and it is difficult to achieve ideal heat insulation
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[0017] An adiabatic acceleration calorimeter based on the temperature measurement of the inner surface of the sample cell, its structure includes a sample temperature detection thermocouple 1, a sample cell 2, a sample cell heater, and a temperature measuring thermocouple 5 on the inner surface of the sample cell; wherein the sample cell is heated The device includes A sample cell wall heater 3, B sample cell wall heater 4, C sample cell wall heater 10, D sample cell wall heater 11, sample cell bottom heater 6; sample temperature detection thermocouple 1 from the sample cell The upper opening of 2 is inserted into the sample cell 2, and the A sample cell wall heater 3, the B sample cell wall heater 4, the C sample cell wall heater 10, and the D sample cell wall heater 11 are respectively fixed on the surrounding sides of the sample cell 2 On the wall, the heater 6 at the bottom of the sample cell is fixed on the bottom of the sample cell 2, the temperature measuring thermocoupl...
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The present invention proposes an adiabatic acceleration calorimeter based on the temperature measurement of the inner surface of the sample cell, the structure of which includes a sample temperature detecting thermocouple, a sample cell, a sample cell heater, and a temperature measuring thermocouple on the inner surface of the sample cell; wherein the sample The cell heater includes A sample cell wall heater, B sample cell wall heater, C sample cell wall heater, D sample cell wall heater, and sample cell bottom heater; the sample temperature detection thermocouple is inserted from the upper opening of the sample cell In the sample cell, A sample cell wall heater, B sample cell wall heater, C sample cell wall heater, and D sample cell wall heater are respectively fixed on the side walls around the sample cell, and the bottom heater of the sample cell is fixed on the sample cell At the bottom of the sample cell, the temperature measuring thermocouple on the inner surface of the sample cell is inserted on the sample cell wall of the sample cell, and the end of the temperature measuring thermocouple on the inner surface of the sample cell is close to the inner surface of the sample cell. The invention solves the problems that the sample pool absorbs reaction heat, causes heat loss, and is difficult to realize ideal heat insulation.
Description
technical field [0001] The invention relates to an adiabatic accelerated calorimeter based on the temperature measurement of the inner surface of a sample pool, and belongs to the field of accelerated calorimetric technology and instruments for chemical process safety. Background technique [0002] As the world's largest chemical industry, the scale of my country's hazardous chemicals market has maintained a growing trend, reaching 6.87 trillion yuan by 2018. Most of the raw materials and products in the chemical industry are hazardous chemicals; hazardous chemicals are flammable Explosive, poisonous and harmful, corrosive, radioactive, etc., and most of the chemical reactions are exothermic reactions, which are very dangerous. Once an accident occurs, it will not only cause casualties, property losses, and even bring extreme damage to the environment. Therefore, in order to reduce or avoid the occurrence of major accidents such as self-reactive chemical fires and explosions, ...
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IPC IPC(8): G01N25/20G01K7/02
CPCG01N25/20G01K7/02
Inventor 蒋军成汤波涛倪磊殷亮颜天一
Owner NANJING TECH UNIV