High-concentration molecular sieve oxygen generating device

By employing an integral adsorption core and spiral flow guiding structure in the oxygen generation device, combined with a hydrophobic modified zeolite molecular sieve coating and filter components, the problems of easy clogging of zeolite molecular sieves and uneven airflow are solved, achieving efficient and stable high-concentration oxygen production.

CN122209195APending Publication Date: 2026-06-16KEER (SUZHOU) MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-19
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing oxygen generators, zeolite molecular sieves are prone to clumping and clogging, resulting in shortened lifespan and low efficiency. Furthermore, uneven airflow distribution leads to increased pressure drop and frequent dust blockages.

Method used

An integral adsorption core and spiral flow guiding structure are adopted, combined with a hydrophobically modified Li-LSX zeolite molecular sieve coating, and a honeycomb ceramic skeleton with interconnected pores is designed to optimize the airflow path and integrate a filter component for pretreatment.

Benefits of technology

It improves the utilization rate and oxygen production efficiency of molecular sieves, reduces airflow resistance, avoids blockage and dust damage, and achieves stable output of high-concentration oxygen.

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Abstract

The application relates to the technical field of oxygen production and discloses a high-concentration molecular sieve oxygen production device which comprises a monolithic adsorption core body coaxially arranged in a cylindrical shell, the monolithic adsorption core body comprises a honeycomb ceramic framework with a central gas collection channel, a plurality of parallel straight-through holes extending in the radial direction are formed in the honeycomb ceramic framework, and the inner wall surface of the parallel straight-through holes is coated with a layer of zeolite molecular sieve coating; and a spiral flow guide structure is arranged in the annular gap between the inner wall of the cylindrical shell and the outer circumferential surface of the monolithic adsorption core body. The device is provided with the monolithic adsorption core body, the honeycomb ceramic framework with the central gas collection channel is used as the base body, the inner wall of the radial parallel straight-through holes is coated with the hydrophobically modified Li-LSX type zeolite molecular sieve coating, vertical communication holes are additionally arranged, and the radial flow design is combined, so that the air flow resistance is reduced, the utilization rate of the molecular sieve adsorption is improved, and the oxygen production concentration is improved.
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Citation Information

Patent Citations

  • Molecular sieve oxygenerator and molecular sieve device thereof

    CN109721032A

  • Absorbent coating compositions, laminates comprising same and absorbent element thereof and method for manufacturing and use

    CN1327948C