vacuum industrial microwave oven
| Product Name | batch type vacuum industrial microwave oven |
| Model | BDMD-M-V-30 |
| Operating Voltage | 380V±10% |
| Supply Frequency | 50Hz |
| Rated Current | 80A |
| Max Input Power | 40KW |
| Supply Power | ≥55KVA |
| Microwave Frequency | 2450±50MHz |
| Max Output Power of Microwave | 30KW |
| Dimensions (L*W*H) (mm) | 2800×2000×2300 |
| Machine Size (L*W*H) (mm) | 4500×3000×2600 |
| Inner Dimension (mm) | Φ1700×1100 |
| Material | stainless steel |
| Weight | ≈3 tons |
batch type vacuum industrial microwave oven
As compared with conventional drying methods, which are heating from the outside to the inside by heat conduction, microwave show so-called volume heating with the following advantages:
- a temperature gradient directed towards the surface, i.e. temperatures inside are higher than outside, giving rise to a higher partial pressure that drives the evaporating liquid to the surface
- consequently, the superficial layer does not dry up completely and the surfaces remain permeable
- the liquid evaporating inside the product is emitted through the porous structure of the solid material’s macro-capillary system, resulting in a high drying velocity
- the heating of water and most organic solvents occurs selectively - due to the greater dielectric losses of water as compared to the product to be dried
- swift and thorough drying of moist products with low thermal conductivity
- static drying of thick layers without frictional losses
- high total efficiency of energy application
- high-speed control of the energy transport
- short processing times, i.e. suitable for automated manufacturing
| Drying method | Microwave | Boiling | Hot air | Vibrating |
|---|---|---|---|---|
| Temperature | low | high | high | high |
| Time | short | long | long | short(several times) |
| Quality | very good | good | normal | normal |
| Loss | none | little | much | much |
| Solubility | good | good | normal | bad |
| Appearance | very good | good | normal | noraml |
| Consumption | low | high | high | high |
| Continuous | available | difficult | N/A | difficult |
| Sterilization | good | bad | bad | bad |
| Drying method | MW+Vacuum | Freezing | Vacuum | Spray |
|---|---|---|---|---|
| Temperature | low | very low | low | high |
| Time | short | long | very long | short |
| Quality | good | good | normal | bad |
| Loss | none | little | none | much |
| Solubility | very good | very good | normal | normal |
| Appearance | good | good | bad | normal |
| Consumption | low | very high | high | very high |
| Continuous | available | difficult | N/A | available |
| Cost | low | very high | low | low |
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- batch type vacuum industrial microwave oven