Pretreat and crush waste tyres and plastics and send them to split processor with no break negative pressure order to catalyze and heat in order to filter out oil steam; oil steam shall pass light and heavy components separation device; light component shall enter the condenser and meanwhile residues shall be discharged automatically in succession. But the liquefied part shall be condensed to rubber oil; and the part that cannot be liquefied shall be input into heating supply system for burning by way of combustion gas purification system.