Granulating type single-cone dryer

Abstract

The invention discloses a granulating type single-cone dryer. The dryer comprises a single-cone conical dryer body composed of a heat insulating layer and a heating layer. A spiral stirring paddle is arranged in the dryer body and driven by a motor at the top of the dryer body to rotate; and a charging port of the dryer body is provided with a granulating type pre-drying continuous feeding apparatus which comprises a feeding barrel, a top inlet of the feeding barrel is provided with an extruder for feeding, and a bottom outlet of the feeding barrel is communicated with the charging port of the dryer body directly. According to the granulating type single-cone dryer, a pre-drying apparatus is arranged at the charging port of the single-cone dryer, so that materials are pre-dried to form particles which are then led into the single-cone dryer, wall sticking and caking phenomena are eradicated in the material drying process, smooth operation of the single-cone dryer is guaranteed, and the moisture content or the menstruum content in final materials obtained through drying can meet prescribed residual quantity requirements.

Description

technical field [0001] The invention relates to a single cone dryer, in particular to a granulation type single cone dryer. Background technique [0002] The applicant's patent CN 201417061Y discloses a high-efficiency multi-purpose single-cone dryer, which includes a single-head cone conical body composed of a heat-insulating layer and a heating layer. There is a heat medium inlet and a heat medium outlet connected to the outside, and a helical stirring paddle is arranged inside the device body, and the stirring paddle is driven to rotate by a motor arranged on the top of the device body. The whole dryer has the characteristics of uniform heating of materials, high thermal efficiency, fast drying speed, high drying quality, convenient feeding and discharging, cleaning and disinfection, which greatly facilitates the drying of materials in the pharmaceutical process. [0003] However, the industrial products to be dried in the pharmaceutical process have many physical proper...

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Problems solved by technology

[0003] However, the industrial products to be dried in the pharmaceutical process have many physical properties, and the application range of the above dryers is very limited, such as paste materials with high water content, sartan drugs with strong wall adhesion, materials with poor heat penetration, High-viscosity pasty materials, etc., cannot be directly introduced into the dryer for drying, and can only be dried by using traditional ordinary drying techniques and equipment, such as hot-air pan ovens, spray dryers, boiling dryers, vacuum belt dryers, etc. type dryer, but the final drying effect is not ideal, and there are problems of low drying efficiency, material pollution and air pollution

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