Scroll compressor with built-in two-stage oil separation component

By incorporating a built-in two-stage oil separator, continuous separation is achieved using inertia and flow rate differences, solving the problem of low oil-gas separation efficiency, improving gas purity and compressor reliability, and reducing production and maintenance costs.

CN224396688UActive Publication Date: 2026-06-23SHANGHAI HYMASTER TECH CO LTD
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Patent Information

Application Number
CN202521284431.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2026-06-23
Estimated Expiration
2035-06-23

AI Technical Summary

Technical Problem

Existing technologies have low oil-gas separation efficiency, which affects the purity of special gases and the smooth progress of subsequent applications. In particular, at low temperatures, solid particles may form, causing pipeline blockage and equipment damage.

Method used

Design a built-in two-stage oil separator component, including a primary separation unit and a secondary separation unit, which performs two consecutive separations using inertia and flow velocity differences. The primary separation unit separates oil and gas through centrifugal force differences, and the secondary separation unit further separates oil and gas through flow velocity changes.

Benefits of technology

It significantly improves oil-gas separation efficiency, reduces subsequent processing steps and maintenance costs, ensures gas purity and compressor reliability, and avoids the formation of solid particles.

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Abstract

The utility model relates to the field of scroll compressors, in particular to a built-in two-stage oil separator component which is used for a scroll compressor, the scroll compressor comprises a first exhaust port, an exhaust cavity, a primary separation unit and a secondary separation unit, the interior of the primary separation unit is in a barrel shape, and the interior of the secondary separation unit is in a barrel shape with a smaller open end; the inner diameter of the opening end of the primary separation unit is smaller than that of the bottom end of the secondary separation unit, and the opening end of the primary separation unit is communicated with the opening end of the secondary separation unit. The flow rate of gas formed by the primary separation unit is larger than that of tiny oil drops, the flow rate of gas formed by the secondary separation unit is smaller than that of tiny oil drops, oil-gas mixed gas is separated twice continuously, and the oil-gas separation efficiency is greatly improved.
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