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1. 发明专利

JP2005254036A Combined contaminated soil cleaning apparatus 有权
标题翻译：组合污染土壤清洁装置
公开(公告)号：JP2005254036A
公开(公告)日：2005-09-22
申请号：JP2004065092
申请日：2004-03-09
申请人： Kajima Corp , Kajima Road Co Ltd , 鹿島建設株式会社 , 鹿島道路株式会社
发明人： SUZUKI SHIGERU , HATTORI SHINTARO , TERANISHI TOMOHIRO , OTSUKA SEIJI , AMAKAWA YOSHIKATSU , KINOSHITA YOICHI , KONDO MAKOTO
IPC分类号： B09C1/06 , B02C17/00 , B02C17/04 , B02C23/08 , B02C23/14 , B07B1/22 , B07B4/08 , B07B9/00 , B09B3/00 , B09C1/00 , B09C1/02 , B09C1/04 , B09C1/08
摘要： PROBLEM TO BE SOLVED: To provide a combined contaminated soil cleaning apparatus performing cleaning of the soil combined-contaminated by heavy metal, a volatile organic compound (VOC) such as a light oil having a low vaporization temperature, trichloroethylene and benzene, dioxin or the like.
SOLUTION: The combined contaminated soil cleaning apparatus is constituted by a rotatable cylindrical heating stirring crushing part 7 for heating, stirring and crushing the combined contaminated soil (SAo); a classification part 10 for classifying the crushed soil by a particle diameter; a drying/sorting device 3 in which a heating device 5 for feeding hot air to the heating stirring crushing part and a fixing casing 12 covering the heating stirring crushing part and the classification part are integrally constituted; an air discharge device 42 for sucking dust in the fixing casing; a dust collection duct for discharging the dust in the fixing casing to the outside; a bag filter 40 communicating with the dust collection duct; and a washing device 25 for washing the soil, of the combined contaminate soil classified by the classification part, having a remaining contamination exceeding a reference value with water.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种综合污染的土壤清洁装置，其对由重金属组合污染的土壤进行清洁，具有低蒸发温度的轻油，三氯乙烯和苯等挥发性有机化合物（VOC）二恶英等。混合污染土壤清洁装置由可旋转的圆柱形加热搅拌破碎部分7构成，用于加热，搅拌和粉碎组合的污染土壤（SAo）; 用于将粉碎的土壤分级为粒径的分类部分10; 一个干燥/分选装置3，其中用于将热空气供给到加热搅拌破碎部分的加热装置5和覆盖加热搅拌破碎部分和分类部分的固定壳体12一体地构成; 用于吸入固定壳体中的灰尘的排气装置42; 用于将固定壳体中的灰尘排放到外部的集尘管道; 与集尘管连通的袋式过滤器40; 以及洗涤装置25，用于清洗由分类部分分类的组合污染土壤的土壤，其余污染物超过参考值与水。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004351315A Re-treating type oil removing method 有权
公开(公告)号：JP2004351315A
公开(公告)日：2004-12-16
申请号：JP2003151927
申请日：2003-05-29
申请人： Kajima Corp , Kajima Road Co Ltd , 鹿島建設株式会社 , 鹿島道路株式会社
发明人： SUZUKI SHIGERU , IWASHITA YUKIO , AMAKAWA YOSHIKATSU , KINOSHITA YOICHI
IPC分类号： F26B17/32 , B09C1/06 , F26B21/00
摘要： PROBLEM TO BE SOLVED: To provide a re-treating type oil removing method with which thermal energy required to reheat in re-treating is minimized and leakage and scattering of dust in a transfer passage can be prevented.
SOLUTION: In this oil removing method to remove oil in the soil contaminated with the oil, soil contaminated with oil is charged into a rotary drum 3 for drying to vaporize the oil in the soil by heat and separated; the soil is cooled with water by charging the soil from which oil has vaporized in the drum 3 into a rotary drum 5 for cooling; exhaust gas discharged from the drum 3 is sent to a dried gas bag filter 13; dust collected by the filter 13 is charged in the drum 3 via dust feeder 14. A conveyer 80 sealed not to leak dust outside and made selectable for discharging or re-treating is prepared at a cleaning soil silo 7 additionally provided to the rotary drum 5, a recleaning soil silo 30 is provided for storing insufficiently treated soil requiring re-treatment, and the soil is quantitatively recharged to the drum 3 by a conveyer (feeder 32) from the silo 32 for re-treatment.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2004202349A Polluted soil cleaning treatment apparatus 有权
公开(公告)号：JP2004202349A
公开(公告)日：2004-07-22
申请号：JP2002373890
申请日：2002-12-25
申请人： Kajima Corp , Kajima Road Co Ltd , 鹿島建設株式会社 , 鹿島道路株式会社
发明人： SUZUKI SHIGERU , IWAHASHI YASUNARI , AMAKAWA YOSHIKATSU
IPC分类号： B09C1/06 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To provide a polluted soil purifying treatment apparatus capable of performing cleaning treatment without bringing about an increase in cost even at the time of stormy weather such as a rainfall/snowfall or the like and capable of activating the decomposition treatment of a pollutant using microorganisms.
SOLUTION: This polluted soil cleaning treatment apparatus has a pretreatment means (an artificial drying house and/or a biological house 2) in which excavated polluted soil is fed, (the deodorizing furnace 12) of a heating cleaning device (1) for heat-treating polluted soil, a feed means (a roofed belt conveyor 5 and a roofed hopper 4) for feeding the polluted soil treated in the pretreatment means (the artificial drying house and/or the biological house 2) to the deodorizing furnace (12) of the heating cleaning device (1) and an exhaust gas line (6) for supplying the exhaust gas of (the deodorizing furnace 12) of the heating cleaning device (1) to the pretreatment means (the artificial drying house and/or the biological house 2).
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2004237265A Method apparatus for treating contaminated soil 有权
标题翻译：污染土壤处理方法
公开(公告)号：JP2004237265A
公开(公告)日：2004-08-26
申请号：JP2003032334
申请日：2003-02-10
申请人： Kajima Road Co Ltd , 鹿島道路株式会社
发明人： IWASHITA YUKIO , AMAKAWA YOSHIKATSU , KINOSHITA YOICHI , NAKAMURA YOSHIMOTO
IPC分类号： B09C1/06 , B09C1/00 , B09C1/04
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for cleaning soil contaminated with light oil and a volatile organic compound.
SOLUTION: In the method, contaminated soil (SA) is transferred into an airtight construction (20) and heated aggregate (3) is transferred into the airtight construction (20). The contaminated soil (SA) is mixed with the heated aggregate (3) and the contaminated soil (SA) is heated. A contaminant (Vv) evaporated from the contaminated soil (SA) is treated and removed, and the soil (SB) cleaned by evaporating the contaminant (Vv) is screened from the aggregate (3) and the aggregate (3) is recycled.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种清洗被轻油和挥发性有机化合物污染的土壤的方法和设备。解决方案：在该方法中，污染土壤（SA）被转移到密封结构（20）中，加热骨料（3）被转移到密封结构（20）中。污染土壤（SA）与加热的骨料（3）混合，污染土壤（SA）被加热。从污染土壤（SA）蒸发的污染物（Vv）被处理和除去，并且通过蒸发污染物（Vv）清洁的土壤（SB）从聚集体（3）中筛选并且聚集体（3）被再循环。版权所有（C）2004，JPO＆NCIPI

5. 发明专利

JP2004243150A Cleaning method of soil contaminated with oil, and apparatus thereof 有权
公开(公告)号：JP2004243150A
公开(公告)日：2004-09-02
申请号：JP2003032447
申请日：2003-02-10
申请人： Kajima Road Co Ltd , 鹿島道路株式会社
发明人： IWASHITA YUKIO , AMAKAWA YOSHIKATSU , KINOSHITA YOICHI , NAKAMURA YOSHIMOTO
IPC分类号： B09C1/06 , B09C1/00 , B09C1/04
摘要： PROBLEM TO BE SOLVED: To provide a cleaning method of soil contaminated with oil and an apparatus thereof which is capable of performing contamination cleaning of soil contaminated with oil by utilizing equipment of an existing asphalt plant and performing some additional reconstruction of the equipment, and is capable of recycling aggregate such as crushed stones charged into asphalt admixture for road pavement in the treatment process.
SOLUTION: The purification treating apparatus 100 of soil contaminated with oil comprises a heating means 5 for heating the aggregate, a mixing means M for mixing the contaminated soil into the overheated aggregate, a treatment means T for treating a vaporized contamination substance after vaporizing the contamination substance in the contaminated soil by means of the heat of the overheated aggregate and a separation means D for separating the aggregate from the remaining soil from which the contamination substance is excluded, wherein the separated aggregate is reused via a line R.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2010214216A Insolubilization method of hexavalent chromium 有权
标题翻译：六价铬的不溶性方法
公开(公告)号：JP2010214216A
公开(公告)日：2010-09-30
申请号：JP2009060391
申请日：2009-03-13
申请人： Kajima Road Co Ltd , 鹿島道路株式会社
发明人： NAKAMURA YOSHIMOTO , AMAKAWA YOSHIKATSU
IPC分类号： B09B3/00 , C04B18/16
CPC分类号： Y02W30/95
摘要： PROBLEM TO BE SOLVED: To provide such a technology that recycled sand produced from concrete lumps generated when breaking existing concrete structure, can be used as backfill material while suppressing elution of hexavalent chromium. SOLUTION: The insolubilization method includes a process of adjusting to an acidic region by adding an acid to the recycled sand obtained by crushing the concrete into granules of a size of, for example, 5 mm square or less; a process of mixing a reducing agent with the recycled sand in the acidic region; and a process of standing the sand after mixing the reducing agent. COPYRIGHT: (C)2010,JPO&INPIT

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