Detailed information

Principle
It is well known that vacuum drying is to put raw material under the state of vacuum for heating and drying. If use vacuum to pump air and humidity out, the dry speed will be faster.
Note: if use condenser, the solvent in raw material can be recovered. If the solvent is water, condenser might be canceled and the investment and every could be saved.

Applications

It is suitable for drying heat sensitive raw materials that can decompose or polymerize or deteriorate at high temperature. It is widely used in pharmaceutical, chemical, foodstuff and electronic industries.
Features

• Under the condition of vacuum, the boiling point of raw material will decrease and make the evaporation efficiency higher. Therefore for a certain amount of heat transfer, the conducting area of dryer can be saved.
•The heat source for evaporation may be low pressure steam or surplus heat steam.
•The heat loss is less.
• Before drying, the treatment of disinfection may be carried out. During the period of drying, there is no impurity material mixed. It is in conformity with the requirement of GMP.
• It belongs to static dryer. So the shape of raw material to be dried should not be destroyed.
Technical parameters

规格名称	GH-600	GH-800	GH-1000	GH-1400	GH-10	GH-15
inside size of chamber	Ф600×976	Ф800×1247	Ф1000×1527	Ф1400×2054	1500×1060×1220	1500×1220×1400
exterior size of chamber	1153×810×1020	1700×1045×1335	1740×1226×1500	2386×1675×1920	1720×1513×1924	2060×1513×1924
layers of baking shelf	4	4	6	8	5	8
interval of baking shelf	81	82	102	102	122	122
size of baking disk	310×600×45	460×640×45	460×640×45	460×640×45	460×640×45	460×640×45
number of baking disk	4	8	12	32	20	32
permitted pressure insde the pipe of baking shelf (Mpa)	≤0.784	≤0.784	≤0.784	≤0.784	≤0.784	≤0.784
temperature inside chamber ('C)	≤150	≤150	≤150	≤150	≤150	≤150
vacuum level inside chamber with out load (Mpa)	-0.09～0.096	-0.09～0.096	-0.09～0.096	-0.09～0.096	-0.09～0.096	-0.09～0.096
when vacuum is 30 torr and the heating temperature is 110℃,vaporized rate of water	7.2	7.2	7.2	7.2	7.2	7.2
type and power of vacuum pump with condensate	2X-15A 2KW	2X-30A 3KW	W3 5.5KW	W3 7.5KW	2X-70A 7.5KW	2X-70A 7.5KW
type and power of vacuum pump without condensate	SK-0.8 2.2KW	SK-3 5.5KW	SK-3 5.5KW	SK-3 7.5KW	SK-3 5.5KW	SK-3 7.5KW
weight of drying chamber (kg)	250	600	800	1000	1400	2100

Sketch of structure

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