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Thermal desorption heating device for oily soil restoration

A technology for heating equipment and soil remediation, applied in the restoration of polluted soil, etc., can solve the problems of poor remediation effect of oily soil, low desorption efficiency, easy generation of flash points, etc., so as to avoid sudden burst damage to equipment and improve the restoration effect. , the effect of uniform heating

Active Publication Date: 2015-09-23
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, thermal desorption and additional heating equipment is mainly composed of heating containers, fans, heating devices and other components; among them, the existing heating devices mainly use combustion heating or microwave heating, but combustion heating has long heating time and high energy consumption. , low desorption efficiency and other problems, and the use of microwave heating has problems such as uneven heating and easy flash point. Therefore, the existing thermal desorption and heating equipment has poor repair effect on oily soil and is very unstable.

Method used

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  • Thermal desorption heating device for oily soil restoration
  • Thermal desorption heating device for oily soil restoration

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Experimental program
Comparison scheme
Effect test

Embodiment approach

[0026] (1) Since the oily soil is placed in the lower part of the casing 2 (whether it is figure 1 inside the heating tank 7, or figure 2 On the conveyor belt 61 in the middle, the oily soil is all in the lower part in the housing 2, even if the heating tank 7 rotates, most of the oily soil is also in the lower part in the housing 2 under the action of gravity), and the microwave heating device 3 and ultrasonic dispersion Device 4 all penetrates casing 2 (and figure 1 The heating tank 7) in the oily soil directly acts on the oily soil, so the microwave heating device 3 and the ultrasonic dispersing device 4 are fixed on the top of the housing 2, so that the oily soil can be maintained between the microwave heating device 3 and the ultrasonic dispersing device 4. A certain distance, which not only helps the microwave heating device 3 directly heat the inside of the oily soil to make the heating more uniform, but also helps the ultrasonic dispersing device 4 to disperse the co...

Embodiment 1

[0037] Such as figure 1 As shown, a heat desorption and heat addition equipment for oily soil remediation, its specific structure may include: a bracket 1, a shell 2, a microwave heating device 3, an ultrasonic dispersion device 4, an infrared heating device 5, a heating tank 7, a tank Body shaft 8, control device and temperature detection device;

[0038] The housing 2 is fixed on the bracket 1; the left end surface of the housing 2 is provided with a housing air inlet 21, and the right end surface of the housing 2 is provided with a housing air outlet 22; the top of the left end of the housing 2 is provided with a housing The body feed port 23, and the bottom of the right end of the housing 2 is provided with a housing discharge port 24; the microwave heating device 3 and the ultrasonic dispersion device 4 are fixed on the top of the housing 2; the infrared heating device 5 is fixed on the bottom of the housing 2 Bottom; the control device is electrically connected with the...

Embodiment 2

[0044] Such as figure 2 As shown, a heat desorption and heat addition equipment for oily soil remediation, its specific structure may include: bracket 1, shell 2, microwave heating device 3, ultrasonic dispersion device 4, infrared heating device, belt transmission mechanism, control device and temperature detection device;

[0045] The housing 2 is fixed on the bracket 1; the left end surface of the housing 2 is provided with a housing air inlet 21 and a housing feed inlet 23, while the right end surface of the housing 2 is provided with a housing air outlet 22 and a housing The discharge port 24; the shell feed port 23 and the shell discharge port 24 are located below the horizontal axis of the shell 2; the microwave heating device 3 and the ultrasonic dispersion device 4 are fixed on the top of the shell 2; the infrared heating device 5 It is fixed on the bottom of the casing 2; the control device is electrically connected with the microwave heating device 3, the ultrason...

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Abstract

The invention discloses a thermal desorption heating device for oily soil restoration. The thermal desorption heating device structurally comprises a microwave heating device (3), an ultrasonic dispersion device (4) and an infrared heating device (5). Both the microwave heating device (3) and the ultrasonic dispersion device (4) are fixed to the top of a shell (2). The microwave heating device (3) is located on the left side of the ultrasonic dispersion device (4), and the infrared heating device (5) is fixed to the bottom of the shell (2). In the oily soil heating process, oily soil placed on the lower portion in the shell (2), the ultrasonic dispersion device (4) is switched on, the infrared heating device (5) is used for heating the oily soil to a preset temperature firstly, and then the microwave heating device (3) is switched on for heating. The thermal desorption heating device can effectively keep the stability and the evenness of heating and greatly improve the oil soil restoration effect and is simple in structure, low in energy consumption and wide in application range.

Description

technical field [0001] The invention relates to the technical field of oily soil remediation, in particular to a thermal desorption and heat addition equipment for oily soil remediation. Background technique [0002] Thermal desorption technology is a technology that desorbs volatile substances from non-volatile substances by direct or indirect heating, and it is one of the effective technologies for remediating polluted soil. Different from incineration, the thermal desorption technology does not decompose the organic pollutant components, but heats the organic pollutant components in the soil to volatilize through direct or indirect heating, so that the organic pollutant components are separated from the soil and achieve the purpose of remediating the soil. Purpose. The research and application results show that thermal desorption technology has a good remediation effect on oily soil remediation. [0003] At present, thermal desorption and additional heating equipment is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/06
Inventor 王亚飞朱玲周翠红陈家庆
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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