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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0324950 (1994-10-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 299 인용 특허 : 0 |
A method and apparatus are provided for remediation of near surface soils, pavements and other surfaces using a radiant heating plate, an insulating layer, and a vapor barrier above the radiant heating plate and below the insulation. The radiant heating plate transfers thermal energy to the surface
A method and apparatus are provided for remediation of near surface soils, pavements and other surfaces using a radiant heating plate, an insulating layer, and a vapor barrier above the radiant heating plate and below the insulation. The radiant heating plate transfers thermal energy to the surface primarily by radiation and therefore need not be in contact with the surface over large areas. The radiant heating plate may also serve as a vacuum barrier for collecting contaminant vapors emanating from the subsurface soil.
A radiant plate surface heater for remediation of contamination near a contaminated surface, the heater comprising: a) a continuous metal sheet effective to radiate heat to the contaminated surface, said continuous metal sheet having a bottom face, a top face, and a sheet edge; b) means for heating
A radiant plate surface heater for remediation of contamination near a contaminated surface, the heater comprising: a) a continuous metal sheet effective to radiate heat to the contaminated surface, said continuous metal sheet having a bottom face, a top face, and a sheet edge; b) means for heating the continuous metal sheet; c) insulation occupying a volume above the continuous metal sheet; d) a baffle system to maintain a subatmospheric pressure below the continuous metal sheet, which baffle system removes vapors from below the continuous metal sheet by routing the vapors first along the bottom face of the continuous metal sheet, over the sheet edge, and subsequently along the top face of the continuous metal sheet; and e) a vapor barrier effective to prevent significant leakage to the volume occupied by the insulation.
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