Warm air box used in mine

By designing a detachable bellows for use inside the mine, the problems of inconvenient installation and disassembly, low heating efficiency and difficulty in repairing when used inside the mine are solved, and more efficient heating, ventilation and air purification are achieved, improving the underground working environment and work efficiency.

CN222650027UActive Publication Date: 2025-03-21HEFEI DESIGN & RES INST LLC OF COAL IND
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Patent Information

Application Number
CN202421564160.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-03-21
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

When used inside the mine, the existing bellows are inconvenient to install and disassemble, the air heating efficiency is low, the impurities are not filtered in time, and the maintenance is difficult, resulting in a cold underground environment, posing safety hazards and low working efficiency.

Method used

A blower heater for the mine interior is designed, adopting a detachable structure, including pulleys, support feet, rock wool boards, electric heating pipes and ventilation ducts. It is easy to move and fix through pulleys and support feet. Rock wool boards and electric heating pipes improve insulation and heating efficiency, filters and fans ensure air quality, and ventilation ducts and second fans improve underground ventilation.

Benefits of technology

It realizes convenient installation, disassembly and repair of the air heater, improves the air heating efficiency and air quality, improves the underground working environment, improves the working efficiency and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a warm air box used in a mine, and relates to the technical field of warm air boxes, the warm air box comprises a base, the upper surface of the base is provided with a warm air box, the inner wall of the warm air box is provided with a sliding groove, the inner side of the sliding groove is provided with a rock wool board, a pressing plate is arranged above the warm air box, a top cover is arranged above the pressing plate, and the top cover is provided with an air outlet. A vertical column is arranged between the top cover and the warm air box, a transverse rod is arranged on the inner side of the clamping groove, a plurality of sets of electric heating pipes are arranged below the transverse rod, a bottom plate is arranged below the warm air box, and an air inlet box is arranged at the bottom of the bottom plate. According to the warm air box used in the mine, air is conveyed into the warm air box through the arranged first draught fan, impurities in the air are filtered out through the arranged filter screen, the air is heated through the arranged electric heating pipe, and the air is heated through the electric heating pipe; and the heated air is conveyed into the mine for ventilation through a second fan and a ventilation pipeline.
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