A fuel gas phase reactant preparation device capable of suppressing coking

Abstract

The invention discloses a fuel gas phase reactant preparation device capable of suppressing coking, which comprises a sample injector, an S-shaped pipe, a sample injection nozzle set and a gasification tank; Iron filings and solid catalysts are placed in the inner cavity of the diameter section to remove dissolved oxygen in the liquid fuel injection; filter screens are arranged on both sides of the trapezoidal hole to prevent the solid matter in the trapezoidal hole from being injected into the sample. Flushed into subsequent piping, the S-tube includes multiple 180° twists to create a secondary flow to optimize heat transfer. The trapezoidal hole, the twisted section of the S-shaped tube, and the body of the gasification tank are respectively equipped with temperature sensors; the 180° twisted section at the end of the S-shaped tube, the sampling tube of the gasification tank, and the body of the gasification tank are respectively equipped with pressure sensors , The sampling pipe of the gasification tank, the air inlet of the carrier and the gas outlet of the gasification tank are all equipped with needle valves. The present invention can be assembled in current mature sampling device and control device, and can provide safe, reliable and stable gas phase sampling flow.

Description

technical field [0001] The invention belongs to the field of burners, and relates to a fuel preheating device, an evaporating device and a device for controlling fuel feeding on the evaporator, in particular to a device that uses a secondary flow S-shaped tube and a variable-section nozzle to suppress thermal oxidation and coking Fuel evaporative propulsion unit. Background technique [0002] Reaction kinetics is a field of chemistry that studies the effects of various physical and chemical factors (including temperature, pressure, reactant / intermediate / product concentration, reaction medium, reaction catalysis, flow conditions, residence time, etc.) on the chemical reaction mechanism. Influenced disciplines, the indicators for evaluating the impact of chemical reaction mechanism include reaction path, reaction rate, reaction limit and so on. Depending on the reaction system, the reaction kinetics can be divided into solid phase reaction kinetics, liquid phase reaction kine...

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Problems solved by technology

[0006] At present, the research and development of coking suppression equipment based on the needs of combustion experiments is still quite limited, and the research on coking suppression of hydrocarbon fuels is still focused on theoretical research and the optimization of some actual equipment, but the current actual experimental work has focused on the preparation process of gas phase reactants. The coking suppression in the system puts forward requirements. Designing a device to suppress thermal oxidation coking can effectively prolong the service life of the experimental equipment, improve the accuracy of the experiment, and ensure the purity of the reaction gas and the stability of the gas supply.

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