Gas-assisted atomizing nozzle of atomization hyperviscous fluid

Abstract

The invention relates to a gas-assisted atomizing nozzle of atomization hyperviscous fluid. The gas-assisted atomizing nozzle of the atomization hyperviscous fluid comprises a nozzle, a current-limiting cone plate,a gas-liquid distributor and a locking nut. The gas-liquid distributor comprises an atomizing gas pipeline and a hyperviscous fluid pipeline, wherein the atomizing gas pipeline is placed at the center and the hyperviscous fluid pipeline is coated on the atomizing gas pipeline. The locking nut tightly compresses on the outlet end of the gas-liquid distributer in a sealing mode and the nozzle tightly compresses the current-limiting cone plate on the outlet end of the atomizing gas pipeline. A plurality of air holes are formed in the current-limiting cone plate. The gas-assisted atomizing nozzle of the atomization hyperviscous fluid provides a gas assisted atomizing nozzle, strengthens mix between the gas and the liquid and effectively improves atomizing quality. When the gas-assisted atomizing nozzle of the atomization hyperviscous fluid is used for burning atomizing hyperviscous combustible liquid of a combustion device, ignition time can be greatly shortened, and when matched with a common air regulator, combustion efficiency and after-combustion degree of the combustible liquid are greatly improved.

Description

Technical field [0001] The invention relates to atomizing nozzles for liquid fuels used in combustion equipment of power station boilers, metallurgy, chemical industry and other industries, and atomization of other non-combustion equipment liquids, in particular to gas-assisted atomizing nozzles for atomizing heavy oil, residual oil and other related high-viscosity fluids It can meet the requirements of large flow and large turndown ratio. When used in combustion equipment, it can greatly reduce NOx emissions due to the use of off-combustion methods. Background technique [0002] In recent years, with the development of chemical deep processing, the quality of fuel oil that can be provided has been declining and the viscosity has greatly increased. The existing oil nozzles, whether they are mechanical atomization or gas-assisted atomization, have greatly deteriorated atomization quality, leading to fire Unstable combustion, low burnout, insufficient output, serious slagging, and ...

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the development of chemical deep processing, the quality of fuel oil that can be provided has been declining, and the viscosity has been greatly increased. The existing oil nozzles, whether it is mechanical atomization or gas-assisted atomization, have greatly deteriorated atomization quality, resulting in fire Combustion is unstable, burnout is low, output is insufficient, serious slagging, emission exceeds the standard, etc. It is necessary to improve the existing atomizer to meet the actual needs

[0003] For these high-viscosity fuel oils, they generally have the characteristics of high viscosity, difficulty in atomization, and the coke shell formed after pyrolysis slows down the evaporation of oil droplets. The following technical difficulties exist in their combustion: (1) The ignition time is long and the temperature rises Slow, start-up time is too long; (2) Incomplete combustion, black smoke, low combustion efficiency, poor economy: (3) High NOx emissions seriously pollute the environment

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