Activated carbon filtering device for post-treatment of organosilicon surfactant

The double-layer activated carbon filtration structure enables two-stage adsorption and filtration of organosilicon surfactants, solving the problem of low activated carbon utilization and improving filtration efficiency and activated carbon utilization.

CN224207453UActive Publication Date: 2026-05-08JIANGXI MENHOVER CHEM TECH CO LTD
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Patent Information

Application Number
CN202521111835.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-03
Publication Date
2026-05-08
Estimated Expiration
2035-06-03

AI Technical Summary

Technical Problem

In existing post-treatment devices for organosilicon surfactants, the activated carbon filtration effect is limited, and some areas cannot come into contact with activated carbon, resulting in low utilization of activated carbon.

Method used

It adopts a double-layer activated carbon filtration structure. The inner tank is filled with a first activated carbon layer, and the outer tank is filled with a second activated carbon layer between the inner and outer tanks, realizing two adsorption and filtration. The flow direction in the inner tank is from bottom to top, and the flow direction in the outer tank is from top to bottom, resulting in a smaller flow path cross-sectional area.

Benefits of technology

It improves the adsorption and filtration effects of organosilicon surfactants, increases the utilization rate of activated carbon, and saves space.

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Abstract

A tank cover is arranged on the upper surface of an outer tank body, a feeding pipe is arranged on the lower surface of the tank cover, an inner tank body is further arranged on the lower surface of the tank cover, the inner tank body is coaxially arranged outside the feeding pipe, a first sieve plate is arranged in the inner tank body, and a second sieve plate is arranged in the inner tank body. A plurality of overflow grooves are formed in the side wall of the inner tank body and located above the first sieve plate, a second sieve plate is arranged on the periphery of the inner tank body, a first activated carbon layer is filled in the inner tank body and located below the first sieve plate, and a second activated carbon layer is arranged in the outer tank body and between the outer tank body and the inner tank body. The organic silicon surface active agent can be adsorbed and filtered twice through the two activated carbon layers, the adsorption and filtering effects on impurities in the organic silicon surface active agent are greatly improved, more space is saved through the structure, the sectional area of a flowing path is smaller, and therefore the utilization rate of activated carbon is higher.
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