In-situ injection repair device for polluted soil, repair method and installation method
A technology for polluted soil and remediation method is applied in the field of in-situ pumping and remediation devices, which can solve the problems of requiring a lot of equipment, complex construction technology, high cost, etc., and achieve the effect of shortening the construction period, reducing the construction cost, and facilitating the on-site construction.
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[0045] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0046] The plastic drainage board mentioned in the present invention is a non-woven (F) type drainage board ("Plastic Drainage Board" industry standard JC / T2112-2012), the width of the drainage board is set to be greater than 1000mm, and it can also be set according to the actual situation. Construction equipment can adjust the type and detailed parameters of the drainage board. The air pressure that the vacuum pump can provide is at least 1.5*10 6 Above Pa. Contaminated site pollutants include heavy metal pollutants, organic pollutants, and heavy metal-organic compound pollutants. The type of reagent added should be chosen according to the contaminant. The permeability coefficient of the polluted site is 1*10 -3 cm / s to 1*10 -6 cm / s, including any one or any combination of sand, silt, and clay. The slotting machine, the vacuum pump a...
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