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The vacuum drying oven is a static vacuum drying oven, 1)high efficiency vacuum oven., 2)energy saving vacuum oven., 3) uniform - details see: https://www.machineto.com/yzg-fzg-series-static-vacuum-drying-oven-10306382

YZG/FZG Series Static Vacuum Drying Oven

Description
Vacuum dry is divided into static and dynamic, Model YZG round vacuum drier and Model FZG square vacuum drier belongs to static drier.
It is suitable for drying heat sensitive raw materials which often decompose, polymerize or metamorphose under high temperature. It is widely used in the final of pharmaceutical, chemical, foodstuff and electronic industry.

Principle
To heat and dry raw material under the state of vacuum is called vacuum drying. It use vacuum to pump air and humidity out. Making the work-room on the vacuum state. The drying rate increases greatly and energy is saved.
Note: if use condensator, the solvent in raw material can be recovered. If use SK series water ring vacuum pump or ZSWJ series hydraulic inject vacuum pump sets, condenser can not be used and the investment could be saved.
Features
Under the condition of vacuum, the boiling point of raw material will decrease and make the evaporation’s efficiency higher. Therefore, it can save the conducting area of evaporator under the same quantity of heat transfer.
The heat source for evaporating may be low pressure steam or surplus heat steam.
The heat of evaporation loss is less.
Before drying, the drier can be disinfected. During the period of drying, there is no impurity material mixing. It is in conformity with the requirement of "GMP".
It belongs to static drier. So the shape of raw material to be dried can not be destroyed.

Technical parameters

Name specification	YZG-600 Ø*L	YZG-800 Ø*L	YZG-1000 Ø*L	YZG-1400 Ø*L	FZG-15 L*W*H
inside size of chamber (mm)	600*976	800*1274	1000*1527	1400*2054	1500*1400*1220
outer size of chamber (mm)	1153*810*1020	1700*1040*1335	1693*1190*1500	2386*1657*1920	1513*1924*2060
layers of baking shelf	4	4	6	8	8
layer of baking shelf (mm)	81	82	102	102	122
size of baking disk (mm)	310*600*45	460*600*45	460*640*45	460*640*45	460*640*45
number of baking disk	4	8	12	32	32
permitted pressure inside the pipe of baking shelf (MPa)	≤0.784(8kg/cm2)	≤0.784	≤0.784	≤0.784	≤0.784
temperature inside chamber (°C)	≤150	≤150	≤150	≤150	≤150
vacuum in idle inside chamber (MPa)	≤-0.095
when vacuum is 30 torr and the heating temperature is 1100C, vaporized rate of water (kg/m2.h)	7.2
if use condensator, type and power of vacuum pump (kw)	2X-15A 2kw	2X-30A 3kw	W3 5.5kw	W3 7.5kw	2X-70A 7.5kw
if not use condensator, type and power of vacuum pump (kw)	SK-0.8 2.2kw	SK-3 5.5kw	SK-3 5.5kw	SK-3 7.5kw	SK-3 7.5kw
weight of drying chamber (kg)	250	600	800	1000	2100