The special continuous soil remediation equipment for the oil field can form a temperature environment of 200-500℃ In different regions under the condition of no oxygen but with heat supplied by heating system. By doing so, it can analyze and recover most of the oil in the oily sludge, and pyrolyze some organic matter to produce combustible non-condensable gas. The gas will be burned in the combustion system with independent air supply to supplement heat as the second heat source, so as to make the pyrolysis reaction continue. The whole reaction process is low temperature, low pressure micro negative pressure mild safe and controllable. The pyrolysis reaction is environmentally friendly and with good economic benefits. Firstly, the hot gas and air do not directly contact with oily sludge,so there is no angerabic reaction, no dust, dioxin or other pollutants. Secondly, this reaction can fully recover the oil in the oily sludge, and the generated pyrolyzed gas can supplement the heat energy consumption. Thirdly, the treated products are inorganic carbon particles and heavy metals and other pollutants are chelated in the carbon structure, which can be landfilled or reused in an environmentally friendly manner.Therefore, the whole pyrolysis realizes recycling which is environmentally friendly and highly economical.
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