Isothermal thermogravimetry apparatus

A technology of an analysis device and a weighing device, which is applied in the field of constant temperature thermogravimetric analysis devices, and can solve problems such as the lack of a thermogravimetric analysis system.

Inactive Publication Date: 2016-11-09
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
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Problems solved by technology

In order to meet the requirements of follow-up sample analysis and flue gas analysis of reaction atmosphere, the reaction gas flow rate must be greater than 1L / min, and the sample volume for a single analysis must be greater than 1g. These requirements cannot be met by thermobalances at present, and there is no such requirement at present. thermogravimetric analysis system

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  • Isothermal thermogravimetry apparatus

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Embodiment Construction

[0014] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0016] Such as figure ...

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Abstract

The invention discloses an isothermal thermogravimetry apparatus. The apparatus comprises an electric furnace, a gas preheater, a tray, a walking device, a weighing device and a temperature controller, a coiled tube is arranged in the gas preheater, the front end of the coiled tube is provided with a gas flow meter, the tail end of the coiled tube is introduced to the inner side of the electric furnace, the weighing device is fixedly arranged on the walking device, the front end of the support of the weighing device is fixedly provided with the tray, and the temperature controller is used for controlling the gas preheater and the temperature in the electric furnace. The electric furnace used in the invention is a high-temperature electric furnace, and realizes heating through a high-temperature electric heating rod, the temperature controller controls the heating rate of the electric furnace, can realize the temperature programming process, and also can keep the temperature unchanged at a preset value, and the hearth of the electric furnace is made of an anticorrosive high temperature material and can resist SO2, NO, HCl and other corrosive gases, so the isothermal thermogravimetry apparatus can realize the isothermal thermogravimetry function, and also can realize temperature programming thermogravimetry of traditional thermobalances.

Description

technical field [0001] The invention relates to the technical field of thermal analysis of industrial materials, in particular to a constant temperature thermogravimetric analysis device. Background technique [0002] Thermogravimetric analysis technology is an analysis technology widely used in chemical industry, coal, scientific research and experiment fields, etc. Its technical feature is to place the sample to be analyzed in a certain high-temperature reaction environment to allow the sample to undergo dehydration, drying, pyrolysis, and combustion. Wait for physical changes or chemical reactions, and use a balance to measure the change in sample quality during the reaction process. The change in sample quality can reflect the process speed and results of the reaction, and the reaction process can be analyzed according to its changes. Therefore, it is widely used in scientific research. laboratory. [0003] In the field of thermogravimetric analysis technology, the curr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 王春波陈亮
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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