A deflected flow centrifugal filter tube and centrifugal filtering method for fertilizer detection

By designing a deflection centrifugal filter tube, combined with a filter tube body made of glass and plastic and an openable tube support, the problem of rapid, convenient and efficient solid-liquid separation in liquid fertilizer testing was solved, achieving excellent filtration effect and reusability.

CN118454338BActive Publication Date: 2026-07-24SHANGHAI TIANKE CHEM INSPECTION +1
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Patent Information

Application Number
CN202410669697.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2026-07-24
Estimated Expiration
2044-05-28

AI Technical Summary

Technical Problem

Existing technologies cannot achieve rapid, convenient, and efficient on-site integrated centrifugal filtration in liquid fertilizer testing. Furthermore, existing structures that combine centrifugation and filtration cannot withstand large centrifugal forces, resulting in unsatisfactory separation effects.

Method used

Design a deflection centrifugal filter tube, comprising a filter tube body and an openable tube support, with an internal filter element dividing it into a filter chamber and a filtrate chamber. The filtrate chamber is V-shaped, and the filter element is located on the lower part of one side of the filter chamber. It is made of glass and plastic, can withstand large centrifugal force, and achieves solid-liquid separation through the filter element.

Benefits of technology

It achieves excellent solid-liquid separation, avoids remixing of precipitated particles with filtrate, is suitable for rapid and convenient testing of agricultural liquid fertilizers, and is easy to clean and reuse.

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Abstract

The application relates to a deflection type centrifugal filter pipe for fertilizer detection and a centrifugal filtering method, the deflection type centrifugal filter pipe comprising a filter pipe body (1) and an open-close type pipe support (2) arranged outside the filter pipe body (1); the filter pipe body (1) is internally provided with a filter core (11), the filter core (11) divides the filter pipe body (1) into a to-be-filtered cavity (12) and a filtrate cavity (13); the filtrate cavity (13) is in a V shape, the upper portion of one end is provided with the filter core (11), and the other end is provided with a filtrate outlet (131). Compared with the prior art, the application integrates the centrifugal function and the filtering function, can effectively separate the clear liquid and the precipitated particulate matters, can bear a larger centrifugal force, and has excellent filtering effect.
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