A self-locking pulsating vacuum pressure steam sterilizer

By introducing a gas distribution pipe, a baffle plate, and deformable metal strips into the sterilizer, rapid drainage of condensate and improved heating efficiency are achieved, solving the problem of condensate retention in double-door sterilizers and ensuring efficient operation and cleanliness of the sterilizer.

CN120571043BActive Publication Date: 2025-10-28WUHAN JIANGHAN MEDICAL PHARM EQUIP CO LTD
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Patent Information

Application Number
CN202511071880.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2025-10-28
Estimated Expiration
2045-08-01

AI Technical Summary

Technical Problem

The condensate in the insulation jacket of the existing double-door pulsed vacuum pressure steam sterilizer cannot be drained quickly, which leads to reduced heating efficiency and may cause mold growth and contamination of the jacket interior.

Method used

A self-locking pulsed vacuum pressure steam sterilizer is designed, which adopts a structure of gas distribution pipe, guide plate and deformable metal strip. Through the alternating circulation of steam and cold air for heating and cooling, the condensate in the jacket is ensured to be discharged quickly, and the sealing effect is improved by using thermal expansion sealing strip.

Benefits of technology

It effectively avoids the generation of condensate, improves heating efficiency, prevents the growth of mold inside the jacket, and ensures the cleanliness and efficient operation of the sterilizer.

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Abstract

This invention relates to the field of pulsed vacuum pressure steam sterilizers, and discloses a self-locking pulsed vacuum pressure steam sterilizer, including a cabinet and a transfer cart. The cabinet includes a sterilization chamber and a sealed door. Insulation jackets are provided on both sides and the top of the sterilization chamber. An air pipe and a steam pipe are provided on the cabinet. A gas distribution pipe is provided inside the insulation jacket. The vertical cross-section of both the insulation jacket and the gas distribution pipe is concave. An air inlet pipe is provided on one side of the gas distribution pipe, and both the air pipe and the steam pipe communicate with the air inlet pipe. The gas distribution pipe includes a first air chamber, a second air chamber, and a third air chamber. Multiple hot air nozzles and multiple cold air nozzles are provided on the gas distribution pipe. The cold air nozzles communicate with the second air chamber, and the hot air nozzles communicate with the first and third air chambers. Two guide plates are provided inside the air inlet pipe, with one side of the guide plates hinged to the inner wall of the gas distribution pipe. A deformable metal strip is provided between the two guide plates. This invention effectively prevents condensation from forming on both sides of the sealed door and accelerates the drainage of condensate.
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