A vacuum wood drying kiln is a type of kiln that uses a vacuum to remove the air from the drying kiln. This allows the lumber to dry faster and more evenly. The more advanced vacuum drying kiln uses a vacuum to lower the boiling point of the water, so that the moisture in the wood evaporates from the inside out, and the top of the wood is equipped with a hydraulic device, which incidentally plays a role in straightening the wood.
Vacuum wood drying kiln offers significant advantages in terms of speed, quality, efficiency, and versatility, making it an attractive option for many wood processors.
Cylinder (round) type
Cubic (square) model, rosewood drying
Vacuum wood drying kiln advantages
Better drying quality
The vacuum wood kiln eliminates temperature gradient differences typically caused by steam, preventing issues such as bending, deformation, cracking, surface hardening, and changes in material color. This technology effectively addresses these challenges, ensuring higher quality dried wood. Additionally, the hot pressing drying process can straighten some curved wood, further enhancing the final product’s uniformity and usability.
Fast drying
Vacuum drying technology is widely recognized as an energy-efficient method for drying wood. Unlike conventional drying equipment, it lowers the temperature at which internal water vaporizes, drastically reducing the drying cycle by approximately 5 to 15 times. This is especially beneficial for dense and difficult-to-dry wood species.
Energy efficient
Lower Temperatures: Since water boils at a lower temperature under a vacuum, less energy is required to heat the kiln, leading to energy savings.
Efficient Heat Use: The vacuum process can be more efficient in using the heat energy, reducing overall energy consumption.
Economic benefits
Reduced inventory costs: Faster drying times mean that wood can be processed and sold more quickly, reducing the costs associated with storing and handling large inventories of wood.
Higher product value: Better quality dried wood can command higher prices in the market, potentially increasing revenue for wood producers
Green drying
The vacuum wood drying kiln efficiently centralizes the treatment of harmful substances discharged during wood drying.
Lower energy requirements can lead to reduced emissions of greenhouse gases and other pollutants, making vacuum kilns a more environmentally friendly option.
Easy to install and operate
The vacuum wood drying kiln has a compact footprint, making it easy to install and transport.
Easy to learn, understand, and operate with simplicity.
| Model | VK-20R-ABT | VK-30S-ABT | VK-40S-ABT | VK-50S-ABT |
|---|---|---|---|---|
| Shape | Round (cylinder) | Square (cuboid) | Square (cuboid) | Square (cuboid) |
| Stacking Capacity | 20.358cbm | 30.72cbm | 40.32cbm | 51.198cbm |
| Stacking Size (mm) | 10800*1300*1450 | 6400*2000*2400 | 8400*2000*2400 | 10600*2100*2300 |
| Inner Size (mm) | 11000*2000 | 6500*3000*3340 | 8500*3000*3340 | 10700*3100*3240 |
| Outside Size (mm) | 11340*2310*2350 | 7135*3520*3890 | 9135*3520*3890 | 11335*3620*3790 |
| No.s of Fan Motors | 8 | 5 | 7 | 8 |
| Steam Volume | 13kg/h | 25kg/h | 27kg/h | 34kg/h |
| Container Required | 40HC | 40FR | 40FR | 40FR |
| Loading Method | End-opening rail type | |||
| Heating Medium | Electric heating, steam | Electric heating, steam | Electric heating, steam | Electric heating, steam |
| Equipment Body | Inner layer: stainless steel; external layer: steel reinforcement; aluminum silicate and rock wool combination insulation layer; external high-quality metal packaging. | |||
| Control System | Fully automatic controller (color touch screen); temperature sensor module system; pressure sensor module system; high-temperature-resistant moisture content detection device; power distribution cabinet and its electrical components | |||
| Heating circulation system | High temperature and humidity resistant motor; aluminum alloy fan; electric heater; piping, etc. | High temperature and humidity resistant motor; aluminum alloy fan; electric heater; piping, etc. | High temperature and humidity resistant motor; aluminum alloy fan; electric heater; piping, etc. | High temperature and humidity resistant motor; aluminum alloy fan; piping, etc. |
| Humidification system | Stainless steel steam spray pipe; valve; solenoid valve. | |||
| Vacuum system | Vacuum pump; electric valve; hand valve. | |||
| Automatic inlet and outlet system | Loading trolley; kiln outside inlet and outlet tracks; electric transport control device | |||
| Automatic drainage system | Electric valves; piping and water release devices. | |||
All vacuum wood drying kilns can be custom made as per customer’s requirement.
