A pressure-balanced ultra-small catalytic reaction efficiency comparison and evaluation device

Abstract

The invention relates to a pressure balance type ultra-small catalytic reaction efficiency comparison evaluating device which comprises a gas inlet unit, a reaction chamber and a detector, wherein the reaction chamber comprises a housing, a gas inlet coil pipe, a gas inlet coil pipe heating and temperature controlling assembly, at least one catalyst reaction pipe and a catalyst reaction pipe heating and temperature controlling assembly, wherein the inlet end of the gas inlet coil pipe is communicated with the gas inlet unit, the outlet end of the gas inlet coil pipe is opened; the gas inlet coil pipe heating and temperature controlling assembly heats the gas inlet coil pipe and controls the temperature of the gas inlet coil pipe; the catalyst reaction pipe is filled with a catalyst, the inlet end of the catalyst reaction pipe is opened, the outlet end of the catalyst reaction pipe is communicated with the detector; and the catalyst reaction pipe heating and temperature controlling assembly heats the catalyst reaction pipe and controls the temperature of the catalyst reaction pipe. Compared with the prior art, the pressure balance type ultra-small catalytic reaction efficiency comparison evaluating device has the advantage that the problems that additional catalysis actions of a common reaction pipeline in an existing high-temperature and high-pressure catalytic reaction device are interfered, and the evaluation performances of catalysts with different components cannot be accurately controlled under the condition of multiple consistent experiment parameters are solved.

Description

technical field [0001] The invention relates to a catalytic reaction efficiency evaluation device, in particular to a pressure balance ultra-small catalytic reaction efficiency comparison evaluation device. Background technique [0002] Catalysis, especially heterogeneous catalysis at the gas-solid interface is of great significance in national economy and environmental protection. It is one of the most active research topics in fine chemical industry, oil and gas refining and other fields of national economy. one. In essence, heterogeneous catalysis is a complex dynamic process, and the dynamic (including non-steady state) methods and technologies used to study it have been developed rapidly in the last ten or twenty years. Through these technologies, heterogeneous catalysis is revealed. The nature of the action and the study of the properties of heterogeneous catalysts have attracted more and more attention. Among various heterogeneous catalytic kinetic methods and techn...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a pressure-balanced ultra-small catalytic reaction efficiency comparison and evaluation device in order to overcome the above-mentioned defects in the prior art, so as to solve the problem of additional catalysis of reaction pipelines common in existing high-temperature and high-pressure catalytic reaction devices. Effect interference, and the simultaneous performance evaluation of catalysts with different components under the condition that many experimental parameters are exactly the same under precise control

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