Oil sludge thermal desorption non-condensable gas multi-stage water curtain synergistic dust removal device

By using a multi-stage water curtain synergistic dust removal device for non-condensable gases through thermal desorption of oil sludge, combined with a multi-stage water curtain and Venturi tube design, the problems of low dust collection efficiency and plate corrosion in traditional dust removal technologies are solved, achieving efficient purification and environmentally friendly emissions.

CN224180552UActive Publication Date: 2026-05-01XIAN HUASHENG KUNTAI ENERGY & ENVIRONMENTAL PROTECTION TECH CO LTD +1
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Patent Information

Application Number
CN202521023697.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-05-01
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

Traditional dust removal technologies, such as cyclone separators, have low efficiency in capturing micron-sized dust, while electrostatic precipitators are prone to plate corrosion under high humidity conditions, making it difficult to meet the dual requirements of improving the quality of non-condensable gas fuels and controlling emissions.

Method used

A multi-stage water curtain synergistic dust removal device for non-condensable gases by thermal desorption of oil sludge is adopted. Through the combination of multi-stage water curtains and Venturi tubes, and the use of gradient flow guide compartments and modular design, efficient graded purification is achieved. The gas-liquid contact is optimized through a closed water circulation system, and the purification of non-condensable gases is achieved by combining the design of spray inclined tubes and water bath compartments.

Benefits of technology

The purified non-condensable gas meets the cleanliness requirements of the combustion system, and the particulate matter emissions of the terminal flue gas are better than the environmental protection standards, which improves the practicality and purification efficiency of the device and avoids problems such as scale buildup in the throat and corrosion of the electrode plates.

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Abstract

The utility model discloses an oil sludge thermal desorption non-condensable gas multi-stage water curtain collaborative dust removal device which comprises a base, a supporting table is fixedly installed on one side of the top of the base, a first booster fan is fixedly installed on the top of the supporting table, and the oil sludge thermal desorption non-condensable gas multi-stage water curtain collaborative dust removal device further comprises a spraying inclined pipe arranged at the air supply end of the first booster fan, the spraying inclined pipe is fixedly installed on one side of the top of the base and comprises a plurality of connecting sections and a plurality of spraying sections, the connecting sections are connected with the spraying sections in a penetrating mode, one side of the spraying inclined pipe is connected with the connecting section to be connected with a first pressurizing fan in a penetrating mode, and one end of the connecting section on the other side is connected with a first gas-liquid separator in a penetrating mode; the first gas-liquid separator is fixedly connected with the water bath tank; the non-condensable gas can be purified, the purified non-condensable gas meets the cleanliness requirement of a combustion system, tail end flue gas particulate matter emission is superior to the environmental protection standard, environmental benefits and economic benefits are considered, and practicability is improved.
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