A gas-liquid separator and separation method suitable for high pressure air

By combining the stator swirl vanes and the moving swirl vanes in the gas-liquid separator, the problem of the axial gas-liquid separator being limited by space layout in the flight control system is solved, achieving a highly efficient gas-liquid separation effect, especially significantly improving the separation efficiency under high humidity conditions.

CN120754615BActive Publication Date: 2026-08-11GUIZHOU YONGHONG AVIATION MACHINERY
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Patent Information

Application Number
CN202510870361.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-08-11
Estimated Expiration
2045-06-26

AI Technical Summary

Technical Problem

Existing axial gas-liquid separators are limited by space layout in flight control systems, resulting in low separation efficiency, especially under high humidity conditions.

Method used

The hydrocyclone blade assembly uses a combination of stator swirling blades and moving swirling blades. The stator swirling blades are fixed, while the moving swirling blades rotate. The secondary swirling flow is generated through the hydrocyclone blade assembly, and efficient separation is achieved by combining a labyrinthine path. The moving swirling blades do not require external power to drive them.

Benefits of technology

The axial dimension of the gas-liquid separator has been effectively reduced, the separation efficiency has been improved, air leakage has been reduced, and a highly efficient dehumidification and separation effect has been achieved.

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Abstract

This invention discloses a gas-liquid separator and separation method suitable for high-pressure air. The gas-liquid separator mainly consists of a hydrocyclone blade assembly, an inlet pipe, a left shell, a right shell, a water-blocking ring, an outlet pipe, an intermediate pipe, and a drain nozzle. The hydrocyclone blade assembly consists of a stator hydrocyclone blade, a moving hydrocyclone blade, a bearing, a bushing, and a nut. The moving hydrocyclone blade is mounted on the shaft of the stator hydrocyclone blade via the bearing and bushing. After the high-pressure humid air passes through the hydrocyclone blade assembly, the saturated droplets are thrown to the wall of the inlet pipe by the swirling action, and then discharged through the drain nozzle after passing through the labyrinthine path between the inlet pipe and the shell. The dry air after liquid separation is discharged through the outlet pipe. This invention generates secondary swirling through the moving hydrocyclone blade in the hydrocyclone blade assembly, which causes secondary separation of droplets in the air that were not separated. The labyrinthine path makes it difficult for the separated droplets to flow back, and the dry air improves its original flow direction after secondary swirling, resulting in less air leakage and achieving high dehumidification and separation efficiency.
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