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[Chemical Knowledge]：Hydrothermal Kettle and Hydrothermal Crystallization Kettle: Difference and Application

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Hydrothermal kettle and hydrothermal crystallization kettle are two kinds of equipment often used in laboratory and industrial production. They have some differences in principle, structure and application. This article will introduce the two in detail from these aspects.

hydrothermal kettle is a kind of equipment used for high temperature and high pressure reaction. It mainly uses high temperature and high pressure under hydrothermal conditions to accelerate the reaction speed of substances. It is usually composed of a pot body, a heater, a temperature control system, a pressure control system and a stirring device. The hydrothermal kettle can carry out various experiments and production processes such as solvent pyrolysis, catalytic reaction, crystal growth, etc. It is widely used in chemistry, materials, pharmaceuticals and other fields.

and hydrothermal crystallization kettle is mainly used for crystal growth and material preparation. It precipitates crystals through a solution reaction under hydrothermal conditions using a high temperature and high pressure hydrothermal environment. The hydrothermal crystallization kettle is usually composed of a kettle body, a heating system, a pressure control system and a stirring system. It can control the morphology and size of crystals, which is of great significance for the study of certain crystals that require high purity and specific shapes. The difference between

hydrothermal kettle and hydrothermal crystallization kettle is mainly reflected in the following aspects:

1. different application fields: hydrothermal kettle is widely used in solvent pyrolysis, catalytic reaction and crystal growth and other experiments and production process, and hydrothermal crystallization kettle is mainly used for crystal growth and material preparation.

2. the reaction principle is different: the hydrothermal kettle uses the hydrothermal conditions under high temperature and high pressure to accelerate the reaction speed of the substance, while the hydrothermal crystallization kettle uses the hydrothermal environment under high temperature and high pressure to prepare crystals through the reaction solution.

3. Equipment structure is different: there are some differences in the structure of hydrothermal kettle and hydrothermal crystallization kettle. The hydrothermal kettle is usually composed of a pot body, a heater, a temperature control system, a pressure control system and a stirring device. The hydrothermal crystallization kettle mainly includes a pot body, a heating system, a pressure control system and a stirring system.

4. the use of different methods: hydrothermal kettle and hydrothermal crystallization kettle in the use of methods are also different. The hydrothermal kettle needs to rely on the heating system and temperature control system to realize the reaction conditions of high temperature and high pressure, while the hydrothermal crystallization kettle pays more attention to the composition of the solution and the control of the reaction parameters.

In general, there are some differences between hydrothermal kettle and hydrothermal crystallization kettle in principle, structure and application. According to different experimental and production needs, choosing the right equipment can improve work efficiency and the accuracy of research results. They all play an important role in the fields of chemistry, materials, pharmaceuticals, etc., and have a positive role in promoting the development of related industries.

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(Note: This article is for reference only, and the specific information is subject to the actual situation.)