Ultrasonic leaching and microwave combined remediation device for soil
A combined remediation and soil technology, applied in the field of organic contaminated soil remediation, can solve the problems of low remediation efficiency, high energy consumption, and high cost of ex-situ treatment of contaminated soil
Pending Publication Date: 2021-08-20
WUHAN UNIV OF SCI & TECH
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a soil ultrasonic leaching and microwave combined restoration device, which can overcome the above-mentioned defects and solve the existing problems of low restoration efficiency of contaminated soil, large energy consumption and high cost of ex-situ treatment
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing and simplifying the invention Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the invention.
[0026] Such as Figure 1-3 As shown, a combined ultrasonic and microwave restoration device for organic polluted soil of the present invention includes a hous...
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The invention discloses an organic contaminated soil ultrasonic and microwave combined remediation device which comprises a shell, the inner space of the shell is divided into a leacheate storage chamber, a leaching chamber, a waste liquid chamber, a thermal desorption chamber and a gas adsorption chamber through fixedly-installed supporting walls, and a liquid inlet and a feeding port are formed in the top of the shell; an electric control pipe opening switch is arranged at the bottom of the leaching chamber, spiral lead screws are arranged on the front side and the rear side below the electric control pipe opening switch, and a microporous filter plate is arranged below the spiral lead screws; and sieved soil fed from the feeding port enters the leaching chamber to be subjected to ultrasonic leaching in the leaching chamber, then the leached soil falls onto the microporous filter plate through a pipe opening in the bottom of the leaching chamber to be dehydrated, the soil enters the thermal desorption chamber under the action of a push plate to be subjected to microwave thermal desorption, and generated tail gas is exhausted after being subjected to adsorption purification through the gas adsorption chamber. The device has the beneficial effects that the structure is simple, the organic polluted soil is remedied through combination of soil leaching and thermal desorption, and the organic pollution removal efficiency of the soil is improved.
Description
technical field [0001] The invention relates to the technical field of organic polluted soil remediation, in particular to a soil ultrasonic leaching and microwave combined remediation device. Background technique [0002] my country is a big country of petrochemical products. With a large amount of oil extraction and the processing and use of related chemical by-products, there are large areas of organic pollution sites in China after decades of industrial development. The existing remediation methods of contaminated soil can be divided into physical remediation methods represented by thermal desorption, chemical remediation methods mainly based on chemical oxidation and leaching methods, and biological remediation methods. Because China has lagged behind other developed countries for decades in the field of soil remediation, there is still a lack of corresponding low-cost, high-efficiency pollution removal remediation equipment in this field. It can be seen from the devel...
Claims
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IPC IPC(8): B09C1/08B09C1/06
CPCB09C1/06B09C1/08
Inventor 龚香宜鲍志杰杨国栋李明
Owner WUHAN UNIV OF SCI & TECH