Slurry drying apparatus

The slurry drying apparatus addresses maintenance and thermal efficiency issues by using an electrically resistive conveyor belt system for direct heating and precise temperature control, enhancing operational efficiency and reducing installation space.

JP7863921B1Active Publication Date: 2026-05-22SUGIYAMA JUKO
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
SUGIYAMA JUKO
Filing Date
2025-01-20
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

Existing slurry drying apparatuses face issues with maintenance complexity, poor thermal efficiency, and difficulty in precise temperature control due to indirect heating methods and large heat capacity.

Method used

A slurry drying apparatus utilizing a conveyor belt made of electrical resistors, with a head and tail pulley system for direct electric heating, and slurry discharge grooves to prevent meandering and ensure conductivity, allowing for sensitive temperature control and high thermal efficiency.

Benefits of technology

The apparatus achieves easy maintenance, high thermal efficiency, and precise temperature control, with a compact design and reduced installation area, while minimizing heat loss and meandering.

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Abstract

To provide a slurry drying apparatus with an easy-to-maintain structure, extremely high thermal efficiency, and sensitive and precise temperature control. [Solution] The slurry drying apparatus 1 of the present invention is a slurry drying apparatus that dries the liquid components in a slurry S with electric heat to obtain a powder (dried product), and comprises a conveyor belt 2 made of an electrical resistor, a head pulley 3 and a tail pulley 4 on which the conveyor belt 2 is mounted and which constitute electrodes for energizing the conveyor belt 2, a power supply device 5 that supplies power to the conveyor belt 2 via the head pulley 3 and the tail pulley 4, and a slurry tank 6 in which the slurry S is placed and the slurry S is attached to the conveyor belt 2, and the slurry S in the slurry tank 6 is attached to the conveyor belt 2 by the rotation of the conveyor belt 2, and Joule heat is generated on the conveyor belt 2 by the power supply device 5 to dry the slurry S.
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