A maintenance-free self-circulating water-cooled wall gasifier

By coating thermal superconducting materials on the inner wall of the small-diameter section, the boiler water self-circulation is achieved, and the problems of large power consumption and high investment and maintenance costs of traditional water-cooled wall gasifiers are solved, reducing operating costs and improving equipment safety.

CN110240947BActive Publication Date: 2025-03-18BEIJING QING CHUANG JIN HUA TECH CO LTD
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Patent Information

Application Number
CN201910646656.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-07-17
Publication Date
2025-03-18
Estimated Expiration
2039-07-17

AI Technical Summary

Technical Problem

During the use of traditional water-cooled wall gasifiers, there are problems such as large power consumption, high investment and maintenance costs, and large maintenance workload.

Method used

A maintenance-free self-circulation water-cooled wall gasification furnace is designed. By coating thermal superconducting materials on the inner wall of the small-diameter section, the self-circulation of boiler water is achieved, avoiding the need to set up a boiler water circulation pump, and reducing equipment maintenance costs and maintenance workload.

Benefits of technology

The boiler water self-circulation in the water-cooled wall is realized, which reduces power consumption and investment costs, reduces maintenance costs and maintenance work, and ensures the inherent safety of the equipment.

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Abstract

This invention discloses a maintenance-free self-circulating water-cooled wall gasifier. The gasifier includes a gasifier shell, with a burner at the top and a slag outlet at the bottom. The interior of the gasifier shell is equipped with a baffle plate and a water-cooled wall. The baffle plate has through holes, dividing the interior of the gasifier shell into a gasification section and a quenching section from top to bottom. A quenching water inlet and a crude gas outlet and a black water outlet, respectively connected to the quenching section, are provided on the side wall of the quenching section. The water-cooled wall includes a large-diameter section and a small-diameter section connected from top to bottom. The area defined inside the large-diameter section is the gasification chamber, and the small-diameter section enters the quenching section after passing through the through holes. The inner wall of the large-diameter section is coated with a heat-insulating material, and the inner wall of the small-diameter section is coated with a thermal superconducting material. Multiple atomizing nozzles connected to the quenching water inlet via pipelines are provided on the inner wall of the small-diameter section.
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