On November 29, 2016, Shanghai Shipyard signed a contract with Beihai Shipbuilding Heavy Industry Co., Ltd. for the energy saving system of 400,000 tons of ore ship cabins.
 
         The shipyard cabin energy-saving system project team independently completed research and development, simulation calculation, testing, quotation and customized services. Based on the ship's leading ship design experience, it visited the shipyard and shipping company through a large amount of data analysis. Customer demand for the project team to guide research and development, analysis of customer demand in the construction and operation of the multi-link, summarize key points, to attract R & D go.
 
         In the development process of one and a half years, the project team compared a number of scheme technologies and carried out a large number of CFD simulation calculations. With the cooperation of Jiangxi Navigation Instrument Co., Ltd., through the comparative experiments under more than 10 severe cold conditions, the actual products were finally obtained. Technical solution -
 
         A heat exchange box based on a forced mixing heat exchange of a sleeve type. The project team obtained a number of patent certificates such as “the ship's fuel preheating system for forced convection heat transfer” and formed a product with completely independent intellectual property rights. The outstanding technical features, significantly ahead of the same international products, to fill the technology gap.
 
         Li Lu, the person in charge of the project, said: At present, the technical scheme adopted for heating fuel tanks of ships is mainly heating of the whole cabin, and the heating medium is mainly steam. When the steam consumption is the biggest winter conditions, the fuel tank large steam consumption, and increased fuel consumption fuel boilers. The development of the energy-saving system of the tanker has solved this problem well and made a certain contribution to energy saving and emission reduction.
 
         At the same time, the energy-saving technology of the cabin also brings some advantages. The high temperature corrosion of the bulkhead steel plate can be greatly reduced, and the problem of insufficient steam volume of the exhaust gas boiler after the main power reduction operation is solved. Compared with the existing technology on the market, this product can reduce the use of steel plates, reduce the high temperature fuel loss, increase the stability of pumping fuel oil temperature, reduce the configuration of the pump, and the control mode is simple and easy to operate.
 
         In recent years, the shipyard has actively promoted the industrialization of science and technology. The young and middle-aged engineers have been brave enough to expand the territory in the field of ship industrialization. The fan-shaped ducts have been installed in nearly 50 sets of ships; the first system of energy-saving hub caps has been delivered; the loading computer and propeller design The project has advanced rapidly.

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