Guangdong waters of South Korea Ji salvage technology difficult
March 20 call (reporter of Xinhua News Agency issued 
The This is the March 15 shooting of the shipwreck site. South Korean Ji chemicals vessel sank the Shanwei waters in Guangdong Province on March 13 did not find the fuel oil and sulfuric acid leak signs of shipwrecks surrounding waters no oil belt, the wreck site in a controllable state. Xinhua, Guangzhou,
about 1305 hours, 30 minutes, 13 March, the South Korean Ji chemical tanker “Athena in the sailing waters of Guangdong Shanwei water and drowned after the accident. The ship loaded with 7,000 tons of concentrated sulfuric acid, located in the hull middle of the six cargo hold, in addition to a residual fuel oil, 140 tons.
According to reports, the ROK ship owners and insurance companies not yet commissioned salvage company to salvage. Guangzhou Salvage Bureau experts Sadness Mood professional departments of the Guangzhou Salvage Bureau of Ministry of Transportation, in order to fulfill its responsibilities and obligations in the night of the 13th had been stationed at the wreck site, about salvage of the preparatory work, initially prepared two sets of salvage program.
Sadness Mood, the first set of program is the first underwater shipwreck within the sulfuric acid to remove, and then the hull plate is from the float. The second program if you can not discharge in the underwater, the first hull plate is, from the floating hull, and then unloading sulfuric acid. But there is a greater degree of difficulty and risk.
the difficulty of the first scenario is difficult to protect underwater uninstall, do not leak. Sadness Mood underwater discharge must ensure that all pipes and valves of the sulfuric acid in a watertight state, not the water, otherwise, sulfuric acid encountered in water a chemical reaction to produce flammable and explosive hydrogen gas may cause an explosion. In addition, because the hull right-wing 100, sulfuric acid is not the lowest point of the pipeline location can not be sulfuric acid all uninstalled, but also consider other ways to uninstall the remaining sulfuric acid. In addition, the process of marine operations, experience the harsh marine weather, also evacuated to ensure the pipeline restored to its original watertight state difficult.
second program of the biggest challenges is how to tilt the hull plates are ups and downs. Sadness Mood said, according to the present analysis, the hull has been part of the sediment sank. Hull weight of 2000 tons plus the weight of the goods, the total weight of over 5000 tons, and the board is the hull needs a huge board is power. If, however, to avoid the hull middle loaded with sulfuric acid warehouse location, set the board is the rope bow stern board is power and reach, so when the board is to go through the middle of the warehouse. “But the warehouses full of concentrated sulfuric acid through the piping and valves, how to ensure that in the salvage process, so as not to damage is a big challenge.” Sadness Mood.
In addition, the maritime sector and salvage experts said that the existing problems of the ROK ship owners did not provide detailed technical information on the “Athena” freighter, the refinement of the salvage program.
Guangdong Maritime Safety Administration regulations the Director Gao Yu said that Guangdong maritime sector was 15 and 17, sent a letter to the ROK ship owners and insurance companies urged to expeditiously implement the salvage matters. The ROK shipowner’s insurance company representatives have arrived in Guangdong, processing salvage matters.
Guangdong maritime sector, the Korean chemical tanker sank in the waters near the north and south habit route, near many fishing boats, past the ship is intensive. At present, Guangdong maritime sector has sent helicopters and Coast Guard boats close on-site monitoring and vigilance to ensure the safety of navigation of the passing ship. The maritime sector is also stepping up the scene of anti-fouling force preparation, there are four specialized anti-pollution vessels 24-hour shifts at the scene emergency duty.
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