Device for optimizing recovery solvent separation by analyzing VOCs (volatile organic compounds) component change in tail gas

By setting up an adsorption tower and a spray tower in the VOCs recovery device, combined with an infrared spectrometer and a selective permeation membrane, dynamic monitoring and separation of VOCs components in the exhaust gas are achieved, solving the problem of poor recovery efficiency in existing technologies, improving solvent recovery efficiency and reducing environmental pollution.

CN223915058UActive Publication Date: 2026-02-17TIANJIN ZHONGFUTEK CHEM TECH CO LTD
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Patent Information

Application Number
CN202520530978.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-17
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing VOCs recovery devices struggle to cope with dynamic changes in exhaust gas composition, resulting in poor recovery efficiency.

Method used

By setting up adsorption towers and spray towers, combined with infrared spectrometers, filters, activated carbon layers, molecular sieve layers and selective permeation membranes, VOCs concentrations can be monitored and adjusted in real time. High-concentration VOCs are adsorbed by activated carbon layers and molecular sieve layers, and low-concentration VOCs are separated by selective permeation membranes.

Benefits of technology

It enables optimized solvent recovery based on changes in VOCs composition in exhaust gas, improving recovery efficiency, reducing resource and energy consumption, and lowering environmental pollution.

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Abstract

The utility model discloses a device for optimizing recovery solvent separation by analyzing tail gas V0Cs component change in the technical field of industrial waste gas treatment, which comprises an adsorption tower main body and a spray tower main body, one side of the adsorption tower main body is provided with a first connecting pipe, one side of the spray tower main body is provided with a second connecting pipe, and the first connecting pipe is connected with the second connecting pipe. A main pipe is arranged on one side of the first connecting pipe and the second connecting pipe, a filter and an infrared spectrometer are arranged on the surface of the main pipe, a water distribution pipe is arranged on the inner side of the spray tower main body, and by means of the arranged infrared spectrometer, when the concentration of VOCs in tail gas is detected to be high, an adsorption structure and a spray structure in the spray tower main body can be automatically started; the effect of separating VOCs in the tail gas is achieved, when the infrared spectrometer detects that the concentration of VOCs in the tail gas in the main pipe is low, the VOCs are introduced into the adsorption tower body, selective separation is conducted through the selective permeable membrane according to the polarity difference of the VOCs, and the solvent recovery effect is improved.
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