We have build a GEK and we have made some running test gasifing dry wood chip.
In the 5"H20 vacuum we don't achieve to increase the temperature from the restriction zone above 700ºC. In this way we cannot ensure that we are cracking thermally the tars.
We have better results shaking the grate but not enough to reach 800-900ºC.
The gek dimensions seems to be ok and either the insulation. The GEK reach 600-700ºC in 5 minutes, but then it stops rising.
Any idea? Anyone with the same problem?
Increase restriction temperaturetemperature increase
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