Page 1 Page 2 Page 3 港海空港技術研究所報告 第 42 巻 ー 号 (2003
Contents
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44. REPORT OF PARD 42 1 Vol 42 No 1 2003 3 March 2003 CONTENTS MH Development of Beach Stabilization by Gravity Drainage System Shin ichi YANAGISHIMA Katsuhiro SATO Takashi HARA Masafumi SAITO Naoto IWASA Kengo HORI Iwao HASEGAWA Junzo HASEGAWA ET EKAIN EE SN E Study and development of oil recovery system at the site of coastal shallow water with a skimmer and hoses for special high viscous oil Muneo YOSHIE Eiji SATO Kazuhiro SHIRAI RRS RS ROK RIS See eset sentir Modification of the Empirical Green s Function Method OCTXYCCTKDXXKLHYILDUYA Atsushi NOZU Kiyotaka FUKAZAWA Yoko SATO Takahiro SUGANO Kiriri rid Uy ti Model Tests of Suction Foundations for St
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56. T AND AIRPORT RESEARCH INSTITUTE Vol 41 No 3 MARCH 2003 Study and development of oil recovery system at the site of coastal shallow water with a skimmer and hoses for special high viscous oil Muneo YOSHIE Eiji SATO Kazuhiro SHIRAI Synopsis We developed an oil recovery system for high viscous oil about 500 000 cP and it can remove oil water contains little water from the surface of seawater The system can be operated at the site of that depth about 50cm water When Russian tanker NAKHODKA oil spill occurred they couldn t operate oil recovery ships and heavy machineries at such shallow water and depended on only manpower to remove high viscous oil from the beach We designed the system as a mechanical system collecting skimming separating and transporting oil from water surface up to the pit tank or so on the land The system consists of 3 equipments a collecting oil mechanism with oil booms and an original mechanical rake an oil skimming mechanism applied net conveyor and a transportation system with original hoses that prevent being stopped up The skimmer and a pump are separated in order to carry and launch it by manpower for its lightweight The system is maintained its oil removing logistics because it is developed as whole system The developed original system prototype proved that the system can remove high viscous emulsified oil over 500 000cP as much as 150 people works at the beach The system needs only 10
57. ability ay arb ences Hiroyuki YAMAZAKI Yoshiyuki MORIKAWA Fumikatsu KOIKE Masakazu IDENO Gaku YAZAWA 1 42 1 2003 3 E 30 cP 50cm
58. people Its raking mechanism has much effect to the skimmer s efficiency Its net conveyor separates surely water from oil water and pour water valve works well to transport viscous oil through the hoses without being stopped up The system remove the oil and keeps its recovery efficiency oil containment of oil water at high level over 80 Key Words oil recovery NAKHODKA oil spill incident oil skimmer high viscous oil shallow water Head of Construction Equipment Division Construction and Control Systems Department Researcher of Construction Equipment Division Construction and Control Systems Department Senior Researcher of Construction and Control Systems Department 3 1 1 Nagase Yokosuka 239 0826 Japan Phone 81 468 445064 Fax 81 468 440575 e mail yoshie pari go jp 6 I serrerssnrsrsererareresronrereeserareraravierrerererrsnrsrrrnrrerresrrerener 115 1 119 2 3 3 1 ni 3 2 Sa cde M E a 20 3 3 oo 20 3 4 121 4 22 4 1 22 4 2 23 5
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