Microwave Wood Processing

Grigory Torgovnikov

MW plants for timber modification

The 300 kW MW Plant Specification

 

 

Timber size

Logs diameter             80 - 300 m  

Length                     2100 - 4700 mm

Sown timber        200 x 300 x 4700 mm

Output, m³/h                                  1.0 - 2.5

Frequency, GHz                               0.922

MW power, kW                               30 - 300

Feed speed, m/min                         up to 8.5

Air heater, kW                               10 - 30

Fan, kW                                          10 - 14

 

 

60 kW MW Plants

These photos show 60 kW MW plants which we are using in our labs for wood modification at two frequencies

0.922 GHz                                                                                    2.45 GHz

           

            

 

Diagram of Microwave Commercial Plant for Timber Modification

1 - cross conveyor feeder for green timber, 2 - sluice for MW leakage protection, 3 - belt conveyor, 4 - centering conveyor, 5 - MW applicator, 6 - MW head (with magnetron), 7 - power supply (transformer), 8 - control desk, 9 - receiving conveyor, 10 - belt conveyor, 11 - sluice for MW leakage protection, 12 - cross conveyor, 13 - MW modified timber, 14 - exhaust fan, 15 - air heater with fan, 16 - fence for MW leakage protection, 17 - green timber, 18 - water cooling system for magnetrons