A flue gas analyzer with a flue gas pretreatment structure

By using a sublimation water removal module and a modularly designed flue gas pretreatment structure, the problems of condensate affecting measurement accuracy and bulky structure in existing technologies have been solved, realizing a portable flue gas analyzer with rapid water removal and a compact structure.

CN122385706APending Publication Date: 2026-07-14QINGDAO HAINA PHOTOELECTRICAL ENVIRONMENTAL PROTECTION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO HAINA PHOTOELECTRICAL ENVIRONMENTAL PROTECTION
Filing Date
2026-04-29
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing flue gas pretreatment structures suffer from several problems: real-time condensation affecting measurement accuracy; long condensation treatment pipelines leading to severe adsorption; bulky structures making them inconvenient to carry; and large condensation units requiring long stabilization times.

Method used

The system employs a sublimation dehydration module combined with a gas-liquid separation and heat dissipation module. The temperature control module controls the surface temperature of the condensation film to cause water vapor to sublimate into ice crystals, and the system drains water instantly through heating. The modular design creates a compact structure and reduces the need for external piping connections.

Benefits of technology

It achieves rapid water removal and reduces flue gas absorption losses. Its compact structure makes it suitable for portable flue gas analyzers and reduces the impact of condensate absorption.

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Abstract

The application discloses a flue gas analyzer with a flue gas pretreatment structure, and aims to provide a flue gas analyzer with compact structure and reduced absorption effect of condensed water on flue gas. The application comprises a host, wherein a flue gas pretreatment structure is arranged in the host, the flue gas pretreatment structure comprises a gas-liquid separation module, a desiccant module and a heat dissipation module which are connected in sequence, the gas-liquid separation module comprises a gas chamber shell, a cavity is arranged in the gas chamber shell, an air inlet nozzle, an air outlet nozzle and a water outlet nozzle which are in communication with the cavity are arranged on the gas chamber shell, the desiccant module comprises a temperature control module, a frost film and a temperature detector, the temperature control module is arranged on the inner side of the heat dissipation module, and the frost film and the temperature detector are both arranged on a temperature control surface of the temperature control module. The application is applied to the technical field of flue gas analyzers.
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