HG Series Double Cylinder Drum Dryer Machine For Potato Starch Powder

HG Series Double Cylinder Drum Dryer For Potato Starch Powder

The drum dryer consists of a hollow roller with a smoothly polished external surface heated internally by steam.

It rotates on its longitudinal axis. The liquid to be dried is placed in a trough known as feed pan.

The liquid is picked up by the roller as it rotates covering the surface in a thin film is removed mechanically by a scrapper known as doctor knife.

In drum dryer rotates on its longitudinal axis which is heated hallow metal drum , this metal drum is used to dipped in the solution to be dried .

As the dipping process completed the solution on the drum forms as a film on the surface of the dryer and made to dry, to form a layer on the surface of the metal drum. While the drum is rotating the suitable knife which is present just down to the metal drum scraps or peel offs the dried materials from the drum.

Product Working Principle

The drum dryer is a continuous operation device that dries the liquid phase material or ribbon material attached to the outer wall of the cylinder by means of heat conduction through a rotating cylinder. The material liquid to be dried flows into the material receiving tank of the drum dryer from the upper tank. The drying drum is driven by the transmission device, and the material is formed by the filming device to form a material film on the wall of the drum. The cylinder is heated continuously, and the moisture of the material film is vaporized by the heat transfer from the cylinder wall, and the material is scraped off by a scraper, and then conveyed to the storage tank through a screw for packaging. It has high thermal efficiency and can be operated continuously, so it is widely used in the drying of liquid materials or strip-shaped materials, and is more suitable for paste-like and viscous materials.

 

Product Features

1.High heat efficiency: The heat transfer of the cylinder dryer is heat conduction and the conducting direction keeps identical with operation circle. Most of the heats can be used for evaporation of wet materials on the wall the cylinder. The efficiency can reach 70-80%.
2.Flexible operation elasticity and wide application: Various drying factors of the dryer can be adjusted, such as concentration of the liquid, thickness of material film, temperature of heating medium, rotating speed of the drum, and etc. These factors can change drying efficiency of the cylinder dryer. As these factors have no interrelations each other, it brings great convenience to dry operation and makes it applicable to dry different materials and meet different production requirements.
3.Short drying period: The drying period of materials is normally 10 to 300 seconds, so it is suitable for heat-sensitive materials. It also can be pressure reducing operated if it is put in vacuum vessel.
4.Fast drying rate: The thickness of the material film on the wall of the cylinder is very thin. Normal, thickness is 0.3 to 1.5mm. The directions of heat and mass transmittal are identical so the evaporation strength on the surface of material film can be 20-70 kg.H2O/m2.h.

 

 

Product Application

This dryer is suitable for drying liquid raw material or sticky material in chemical industry, dyestuff industry, pharmaceutical industry, foodstuff industry, and metallurgy industry, and etc.

 

Technical Parameters

Model	Cylinder size(mm)	Effective heating area(M2)	Drying capacity(kg/h)	Steam consumption(kg/h)	Motor power(kw)	Overal dimension(mm)	Weight(kg)
SDD-600	Ø600*800	1.12	20-50	30-80	2.2	1700*800*1500	850
SDD-700	Ø700*1000	1.65	30-70	50-100	3	2100*1000*1800	2000
SDD-800	Ø800*1200	2.26	40-100	60-150	4	2500*1100*1980	3000
SDD-1000	Ø1000*1400	3.30	60-150	90-230	5.5	2700*1300*2250	6200
SDD-1200	Ø1200*1500	4.24	80-200	120-300	7.5	2800*1500*2450	8500
SDD-1400	Ø1400*1600	5.28	100-250	150-400	11	3150*1700*2800	10000
SDD-1600	Ø1600*1800	6.79	140-320	200-500	11	3350*1900*3150	12000
SDD-1800	Ø1800*2000	8.48	170-400	250-600	15	3600*2050*3500	14000
SDD-1800A	Ø1800*2500	10.60	200-500	300-750	18.5	4100*2050*3500	15200
SDD-2000	Ø2000*3000	14.10	300-700	450-1000	22.5	5000*2500*3600	17500
SDD-2500	Ø2500*3500	20.60	400-1000	600-1500	25.5	5500*2900*3800	20500

 

 

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