Double return journey barrel type drying machines

Abstract

An improved double-return cylinder dryer, including a body composed of a bracket, a sealed box and a cylinder, and its driving device, supporting device and controller, wherein the axis of the cylinder of the body is parallel to the horizontal plane, and the cylinder is arranged concentrically. The inner and outer cylinders are misplaced and fitted together, and the volume cavities formed constitute two drying and precipitation units respectively. The outer periphery of the cylinder wall board is provided with a heat insulation cover, and the inner peripheral surface of the inner and outer cylinder wall boards is respectively provided with a spiral propulsion type distribution device, and the direction of the helix is ​​reversed. The center of gravity of the ring gear and the barrel is assembled. It effectively solves the defects of easy deformation and displacement and axial displacement of traditional drum dryers. It has reasonable structural design, stable performance, smooth process flow, large precipitation at one time, high thermal efficiency, energy saving and consumption reduction, and a wide range of applications. .

Description

technical field [0001] The invention relates to a large amount of material drying device, in particular to a double-return cylinder dryer with large precipitation range, energy saving and consumption reduction, and high thermal efficiency. It can be widely used in dehydration and drying of low-viscosity materials in various industries, and can also be used as mechanical equipment for drying high-water content materials such as coal gasification lignite, urban garbage, and river sludge. Background technique [0002] At present, the material drying device has been widely used in the dehydration and drying of low-viscosity materials in the chemical industry, mining, agriculture, industry, light industry, medicine and environmental protection industries, and the single-layer drum dryer, which is more widely used, is the current dryer. Mainstream products on the market. However, most of them are developed by referring to the general drying technology in the 1950s, and there are ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an improved double-return drum dryer, which effectively solves the defects of easy deformation and displacement and axial displacement in the connection structure of traditional drum dryers. Its structure design is reasonable and its performance is stable. , The process flow is smooth. Compared with similar equipment, it has large precipitation at one time, high thermal efficiency, energy saving and consumption reduction, its volume filling rate is increased by nearly 1-2 times, and the output is increased by more than 2 times, which saves one-time investment and reduces operating costs. cost, wide range of applications

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