Energy-saving steam boiler

By combining filter plate one and filter plate two and adjusting the spray ring, the problem of water consumption by large particulate impurities in existing steam boilers is solved, and efficient filtration of different particulate impurities and water mist are achieved.

CN120926424BActive Publication Date: 2026-03-31GUANGZHOU CHANGSHUN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202511239683.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-01
Publication Date
2026-03-31
Estimated Expiration
2045-09-01

AI Technical Summary

Technical Problem

In existing steam boilers, the uniform spraying of water mist when treating particulate impurities in flue gas results in water consumption for large particles, but does not improve the filtration effect, leading to low effective utilization of water mist.

Method used

The system employs a combination structure of filter plate one and filter plate two. Filter plate one filters large particulate impurities, while filter plate two filters small particulate impurities. A spray ring sprays water mist between the two plates, and the number of spray rings is adjusted by a rotating plate and a moving drive component. The size of the space is adjusted according to the amount of flue gas, allowing for targeted treatment of different particulate impurities.

Benefits of technology

It enables the differentiated treatment of impurities of different sizes, improves the effective utilization rate of water mist, reduces energy waste, and conforms to the concept of energy conservation and environmental protection.

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Abstract

The present application relates to the field of steam boiler, especially to an energy-saving steam boiler, comprising a boiler body and a flue gas duct installed on the boiler body; a filter plate one and a filter plate two are installed in the flue gas duct in sequence along the axial direction; the flue gas discharged by the boiler body passes through the filter plate one and the filter plate two in sequence; the filter aperture of the filter plate one is larger than that of the filter plate two; a spraying ring for spraying water mist is installed on the outer surface of the flue gas duct; the spraying ring is provided with a liquid inlet pipe and a plurality of spray heads; the spray heads penetrate into the flue gas duct; the spraying ring is located between the filter plate one and the filter plate two; the present application realizes the differentiated treatment of different size particle impurities, after the large particle impurities are filtered and intercepted by the filter plate one, the small particle impurities are screened out, the space between the filter plate one and the filter plate two is used to spray water mist on the small particle impurities, the effective utilization rate of the water mist is improved, and the energy is saved.
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