Coal drying device for coal-fired power plant

By designing the structure of the inner pipe, outer pipe and replacement components, combined with the swing mechanism of the filter plate and the replacement system of the drying components, the problem of large space occupation and powder blockage in the existing coal drying equipment is solved, and high-efficiency drying and equipment reliability are improved.

CN119665603AInactive Publication Date: 2025-03-21JURONG GENERATE ELECTRICITY PLANT HUADIAN JIANGSU ENERGY CO LTD
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Patent Information

Application Number
CN202411584074.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-03-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the existing coal drying equipment, the long tube occupies a large space, and the coal powder can easily block or block the filter plate, resulting in a reduced water absorption performance and needs to be replaced frequently.

Method used

A coal drying device for coal-fired power plants is designed, using the structure of inner pipe, outer pipe and replacement components. By setting up a swing mechanism of the filter plate and a replacement system for drying components, the space occupation, powder cleaning and the service life of the filter plate are extended.

Benefits of technology

It realizes efficient drying of coal in a smaller space, reduces the risk of coal powder blocking the filter plate, extends the service life of the filter plate, and improves the reliability and economicality of the equipment.

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Abstract

The invention discloses a coal drying device for a coal-fired power plant, and belongs to the technical field of coal drying. The device comprises a base, a plurality of supporting roller assemblies are fixedly installed at the top of the base, the tops of the multiple supporting roller assemblies are jointly and rotationally connected with a drying pipe assembly, a feeding air supply assembly is fixedly installed at the top of the base, and a replacement assembly is fixedly installed at the top of the base; and the drying pipe assembly comprises an outer pipe, the outer pipe is rotationally connected to the tops of the multiple supporting roller assemblies, and an inner pipe is fixedly connected to the inner wall of the outer pipe through multiple supporting columns. According to the coal drying device, the drying time of the coal in the drying pipe assembly is not changed, the coal can still be dried for enough time, the space occupied by the whole drying pipe assembly is reduced, and then the coal drying process can be carried out in some relatively small places.
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