A system for continuous pyrolysis comprising: a pyrolysis chamber comprising a first input opening, and a first output opening; a heating chamber comprising a second input opening, and a second output opening; a feeding chamber comprising: a third feeding opening, opened to ambient atmosphere and arranged to receive grinded material; a third pressure opening; and a third output opening coupled to the first input opening of the pyrolysis chamber; a flame injector device coupled to the second input opening of the heating chamber and injecting ambient air and combustible material into the heating chamber; a pumping device comprising: an input opening coupled to the second output opening of the heating chamber; and an output opening coupled to the third pressure opening of the feeding chamber; at least one of: a O 2 sensor installed within the heating chamber; and a pressure transducer installed within the feeding chamber; and a controller electrically coupled to the O 2 sensor, to the pressure transducer, to the flame injector and to the pumping device, and configured to maintain at least one of: control the flame injector device to inject at least one of said ambient air and said combustible material to maintain within the heating chamber O 2 concentration between 8% and 10%; and control the pumping device to maintain pressure in the feeding chamber above ambient pressure to prevent ambient air from entering the feeding chamber via the third feeding opening. a pyrolysis chamber comprising a first input opening, and a first output opening; a heating chamber comprising a second input opening, and a second output opening; a feeding chamber comprising: a third feeding opening, opened to ambient atmosphere and arranged to receive grinded material; a third pressure opening; and a third output opening coupled to the first input opening of the pyrolysis chamber; a third feeding opening, opened to ambient atmosphere and arranged to receive grinded material; a third pressure opening; and a third output opening coupled to the first input opening of the pyrolysis chamber; a flame injector device coupled to the second input opening of the heating chamber and injecting ambient air and combustible material into the heating chamber; a pumping device comprising: an input opening coupled to the second output opening of the heating chamber; and an output opening coupled to the third pressure opening of the feeding chamber; an input opening coupled to the second output opening of the heating chamber; and an output opening coupled to the third pressure opening of the feeding chamber; at least one of: a O 2 sensor installed within the heating chamber; and a pressure transducer installed within the feeding chamber; and a O 2 sensor installed within the heating chamber; and a pressure transducer installed within the feeding chamber; and a controller electrically coupled to the O 2 sensor, to the pressure transducer, to the flame injector and to the pumping device, and configured to maintain at least one of: control the flame injector device to inject at least one of said ambient air and said combustible material to maintain within the heating chamber O 2 concentration between 8% and 10%; and control the pumping device to maintain pressure in the feeding chamber above ambient pressure to prevent ambient air from entering the feeding chamber via the third feeding opening. control the flame injector device to inject at least one of said ambient air and said combustible material to maintain within the heating chamber O 2 concentration between 8% and 10%; and control the pumping device to maintain pressure in the feeding chamber above ambient pressure to prevent ambient air from entering the feeding chamber via the third feeding opening.