A screw type indirect thermal desorption device for remediation of organic polluted soil
A technology for organic pollution and soil remediation, applied in the restoration of polluted soil, etc., can solve the problems of difficult monitoring and control of working conditions, uneven heating, poor thermal desorption, etc., so as to reduce the amount of exhaust gas and improve the treatment effect. , the effect of uniform heating
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[0028] The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0029] Such as figure 1 As shown, a screw-type indirect thermal desorption device for remediation of organic polluted soil includes an indirect thermal desorber, and the indirect thermal desorber includes an outer cylinder 1 and a screw 2 arranged in a horizontal direction; the front end of the outer cylinder 1 The upper part is fixedly connected with a scraper feeder 21, and the lower part of the rear end of the outer cylinder 1 is fixedly connected with the discharge cylinder 14; the upper part of the outer cylinder 1 is provided with three branch pipes 7 for collecting exhaust gas; each of the branch pipes 7 has a gas sampling port 11 and a valve 19 for controlling the opening and closing of the pipeline; the three branch pipelines 7 are collected in the centralized pipeline 15, and there is a gas sampling port 12 on the central...
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