The low temperature carbonization gases produced {HEAD ~ flow} at {TAIL ~ a temperature} of about 500° C. into the cyclone 57, which is designed for high temperature operation and in which soot, flue dust etc 
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The low temperature carbonization gases produced { HEAD ~ flow } at { TAIL ~ a temperature } of about 500 ° C. into the cyclone 57 , which is designed for high temperature operation and in which soot , flue dust etc
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH