Circular Vacuum Dryer

Category: Vacuum dryer series

Introduction: Working PrinciplePure water has its maximum rate of vaporisation in the boiling state. Under normal conditions, pure water starts to boil at about 100C. And under vacuum conditions, due to the partial pressure of water vapour in the system, much lower…

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Working Principle

Pure water has its maximum rate of vaporisation in the boiling state. Under normal conditions, pure water starts to boil at about 100°C. And under vacuum conditions, due to the partial pressure of water vapour in the system, much lower than the partial pressure of water vapour on the surface of the material, the boiling point of water is lower than 100 ℃. For example, when the surface drops to -0.07MPa, water starts to boil at 70℃. Therefore, despite the lower operating temperature, the dryer still has a large drying capacity.

Equipment features

※ Higher drying rate can be obtained at lower temperature and heat is fully utilised.
Suitable for low-temperature drying, drying of heat-sensitive materials and drying of oxidised materials.
It is suitable for low temperature drying, heat-sensitive materials, and materials that are afraid of oxidisation.
It can be sterilised before drying, and there is no impurity mixed in the drying process.
The dryer is a static vacuum dryer, so the shape of the dried material will not be damaged.
The dryer is a batch production equipment, which can adjust the process at any time.
※ The inner top is arch-shaped structure, which can effectively avoid the phenomenon of condensation water back-drop.
※ Adopting four-point one vacuum structure to ensure the uniformity of material drying.

Scope of application

It is suitable for drying heat-sensitive materials in pharmaceutical, chemical, food, electronics, traditional Chinese medicine and other industries.

Technical Parameter

Parameters/Specifications	YZG-600φ×L		YZG-800φ×L	YZG-1000φ×L			YZG-1400φ×L
Box size(mm)	600×976		800×1247	1000×1527			1400×2054
Outside Dimension(mm)	1153×810×1020		1700×1045×1335	1693×1190×150			2386×1657×1920
Number of shelves	4		4	6			8
interstorey distance(mm)	81		82	102			102
Baking tray size(mm)	310×600×45		520×410×45	460×640×45			460×640×45
Number of baking trays	4		8	12			32
Allowable pressure in drying rack tube(Mpa)	≤0.784		≤0.784	≤0.784			≤0.784
Temperature inside the box(℃)	≤150		≤150	≤150			≤150
No-load vacuum inside the box (torr)	-0.09~0.096
Gasification rate of water at 30 torr vacuum, heating temperature 110（kg/m2,h):		7.2
When using a condenser, vacuum pump model, power（kw)	2X-15A 2kw				W3 5.5kw	W3 5.5kw	W3 7.5kw
No need for condenser, vacuum pump model, power（kw)	SK-1.5 4kw				SK-3 5.5kw	SK-3 5.5kw	SK-3 5.5kw
Drying box weight（kg)	250				600	800	1000

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