一种二次进气打孔式蒸发管

By setting secondary air intake holes and atomizing nozzles on the evaporator tube wall, the airflow disturbance and fuel-air mixing are enhanced, solving the problem of poor atomization effect of traditional evaporator tubes. This achieves efficient fuel atomization and improved combustion efficiency, making it suitable for high-altitude vortex combustion chamber applications.

CN116792783BActive Publication Date: 2026-07-17NANCHANG HANGKONG UNIVERSITY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANCHANG HANGKONG UNIVERSITY
Filing Date
2023-03-02
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional evaporator tubes have poor atomization and evaporation effects, making it difficult to meet the fuel atomization requirements of high-altitude vortex combustion chambers and affecting combustion chamber performance.

Method used

A secondary air intake perforated evaporator tube is designed, including a Z-shaped evaporator tube body and an atomizing nozzle. By setting secondary air intake holes and atomizing nozzles on the evaporator tube wall, airflow disturbance and fuel-air mixing are enhanced, thereby achieving dual atomization of fuel.

Benefits of technology

It improves fuel atomization quality and mixing effect, enhances combustion efficiency, improves ignition performance of high-altitude vortex combustion chambers, and allows for smaller combustion chamber size.

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Abstract

本发明涉及一种二次进气打孔式蒸发管,包括中空的蒸发管本体、雾化式喷嘴、蒸发管本体内部中空为蒸发腔;蒸发管本体为Z型,蒸发管本体的竖直段壁面开设直径为3mm的二次进气小孔;蒸发管本体的尾端壁面开设蒸发管尾管小孔;雾化式喷嘴设置在蒸发管本体上贯穿蒸发管本体。本发明提高燃油雾化质量,加强油气混合,使燃烧更充分,提高燃烧效率。
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