Multi-heat source and shaft intervallic heating type thermal desorption device for organic pollutant contaminated soil repair
A technology of polluted soil and multiple heat sources, which is applied in the field of remediation devices for soil contaminated by organic pollutants, can solve the problems of incapable of making full use of low-grade energy, poor adaptability to various heat sources, and complex structure of thermal desorbers, etc. Effectiveness of utilization efficiency, thorough removal of organic pollutants, economical and effective treatment
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[0025] Referring to the above-mentioned accompanying drawings, the technical content of the present invention will be described in detail.
[0026] The multi-heat sources used for remediation of organic-contaminated soil include an interaxial thermal desorption device, including a thermal desorber; the thermal desorber is an indirect thermal desorber, which is a jacketed heating furnace;
[0027] The indirect thermal desorber includes an inner cylinder 3 and an outer cylinder 2 arranged in a horizontal direction. Ribs 13 are arranged on the outer wall of the inner cylinder 3 to promote heat transfer; The soil feed port 1 in the middle is provided with an excavator 10 at the bottom of the urceolus 2 rear end;
[0028] The upper part of the outer cylinder 2 rear end is provided with the first multi-heat source inlet 6 for passing into the heat carrier, and the first multi-heat source outlet 7 is provided at the lower part of the front end of the outer cylinder 2; the lower part ...
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