Introduction of new technology for thermal insulation new materials
Enterprise product introduction Insulation new materials and new process introduction Hong Shuli, Li Yulong (Tianjin Huali Thermal Insulation Building Materials Co., Ltd., Tianjin 300451) Shao. The application of these new materials and new processes in offshore oil platforms and the marine industry is illustrated. At present, the insulation materials commonly used in offshore platforms and ships mainly include rock wool, glass wool, ceramic wool, rubber sponges, etc. These materials are generally not used when the pipes and tanks are insulated, in order to achieve beautiful and durable effects. The outer protective layer needs to be coated on the outside of the thermal insulation material, otherwise the service life of the thermal insulation layer will be greatly shortened. The metal protective layers commonly used in offshore platforms and ships for many years mainly include galvanized sheets, aluminum sheets, stainless steel sheets, and composite pattern aluminum sheets. Offshore oil production platforms, some equipment on ships, valves, pumps and other facilities need to be frequently disassembled for maintenance inspection. At present, the conventional insulation method is not convenient for maintenance and the repair cost of insulation is high. The three-proof insulation is precisely the new product developed in response to the above-mentioned reasons, combined with advanced technology and product performance at home and abroad. The composite pattern aluminum plate and the three-proof insulation have been granted the utility model patent rights by the Intellectual Property Office of the People's Republic of China. The patent numbers are: ZI002072033 and 0220699842002. The composite pattern aluminum plate was awarded the Tianjin Science and Technology Achievement Certificate by the Tianjin Science and Technology Committee; Tianjin Tanggu District People's Government awarded Tianjin Tanggu District Science and Technology Progress Award. 1Composite pattern aluminum plate composite pattern aluminum plate series includes: composite pattern aluminum plate, composite corrugated aluminum plate and composite corrugated aluminum plate and other products. These products are made of pure aluminum (alloy: 1060) or rust-proof aluminum (alloy: 3003) aluminum plate, embossed composite kraft paper moisture barrier. The material has better properties such as strength, toughness, wear resistance, corrosion resistance and moisture resistance than flat aluminum plates and galvanized iron plates. Therefore, it is more suitable for the protection of marine oil production platforms, pipelines on ships, equipment tanks and insulation decoration. 11 Main advantages The composite pattern aluminum plate for marine thermal insulation mainly adopts anti-rust type products. The anti-corrosion performance of this product is better and has stronger salt spray corrosion resistance. It is more corrosion-resistant and more durable than ordinary aluminum plates and galvanized iron plates. After the embossing of the flat aluminum plate, the strength and toughness increase, and it is not easy to be traced, leaving it more wear-resistant, durable, less lossy and longer in service life than the flat aluminum plate and the galvanized iron plate. Moreover, it is lighter than stainless steel and low in cost. The kraft paper is composited on the embossed aluminum plate, which effectively avoids the direct contact between the thermal insulation layer and the aluminum plate, prevents the chloride ion and moisture of the thermal insulation layer from corroding the aluminum plate, and plays a moisture-proof and anti-corrosive effect. The construction process of the moisture barrier is reduced during construction, which is conducive to saving labor and costs. The flat aluminum plate is rolled with a regular pattern, which will not cause strong reflection, and can increase the visual aesthetic sense, which is conducive to improving the environmental quality of the offshore oil production platform and the ship. After the composite pattern aluminum plate is rolled into a corrugated board, the compressive strength of the aluminum sheet is greatly enhanced, and it is suitable for protection of large pipes, small container equipment and large tank insulation, and has a more beautiful appearance, and can reduce the thickness of the molding and reduce the construction cost. 2 Application In recent years, composite pattern aluminum plate series materials have been widely used in offshore oil production platforms and petrochemical industries. Mainly used for insulation protection and insulation decoration of pipelines and equipment tanks. The insulation effect and service life of the insulation project are greatly improved. This product has been widely used in the petroleum and petrochemical industry and marine engineering in some developed countries in Europe and America. It is used in the construction of China National Offshore Oil Offshore Platform for maintenance and insulation, and the CNOOC Pearl, Friendship Ship Renovation and Insulation Work Wenchang Project FPS) BZ5-1FPS3, etc. Shipbuilding engineering; Dagang Petrochemical, Xinjiang Petrochemical, Nanjing Yangzi Petrochemical, Hainan Fudao Chemical and other chemical projects and CNOOC's land terminal projects have widely applied composite pattern aluminum plate materials, and the effect is very good. Therefore, in view of the advantages and characteristics of the composite pattern aluminum plate series materials, their application prospects in the offshore oil production platform and the shipbuilding industry will be brighter. 2 Three anti-insulation is protected by three anti-insulation. It is a lightweight and unique insulation material with fireproof, anti-corrosion and moisture-proof functions. It is divided into two types: ordinary type and high temperature type. 1Structure Description Three anti-insulation is to cut the double-coated high-strength protective cloth and composite silicate plate according to the shape of the thermal insulation equipment, and the double-coated high-strength protective cloth is sleeved and packed into composite silicon. The acid plate is sealed, and then the belt or buckle is sewed at both ends, and the bag is fastened and buckled on the outside of the device. The double-sided coated high-strength protective cloth has several colors such as green, white, grayish white and dark gray, and the color of the cloth is selected according to different conditions and specific requirements of the customer. 22 Technical indicators are shown in Table 1 Table 2) Table 1 Protective layer technical indicators Technical indicators Parameters Tensile strength (N/mm) Elongation at break Tear resistance (N) Fusion performance New crack and hole resistance is not allowed in the bending part Permeability (kPa flaming combustion time (s Table 2 insulation layer technical indicators technical indicators parameters apparent density (kgm3) combustion performance is not allowed to have combustion drips ignition filter paper thermal conductivity (w / mk) vacuum water absorption tear Strength (~cn) compression rebound rate, water repellency, anti-aging performance, slight wrinkling, no crack, no pinhole, no deformation. 23 Main advantages Three anti-insulation is coated with high-strength protective cloth and composite silicate plate. It has the characteristics of no irritating skin, no pollution to the environment, light weight, etc. It also has three functions of fire prevention, anti-corrosion and moisture resistance. The three-proof insulation is easy to install and use repeatedly, which greatly reduces the maintenance cost. When installing and disassembling, you only need to fasten the buckle on the insulation. For the insulation of pipelines, valves and equipment that need to be dismantled frequently, it can be tailored according to the size and shape of the pipe fittings of the equipment, which is convenient, time-saving and labor-saving. The application of 24 anti-insulation is based on the many advantages of the three-proof insulation. The three-proof insulation is very suitable for offshore oil production platforms. There are many pipe fittings in the marine industry and many thermal insulation projects for small equipment tanks. It is especially suitable for equipment fittings that require frequent inspection and maintenance. This not only reduces construction work, shortens the construction period, but also reduces maintenance costs. At present, it is widely used in the thermal recovery of offshore oil platforms and ships in the CNOOC system. The construction of Sino-foreign cooperative oilfields has also begun to be applied, and the product has been further promoted and applied. 25 high temperature type three-proof insulation is described in the high-temperature environment of the offshore oil production platform and the ship, the high temperature type three-proof insulation is used for the insulation of the valve and the flange. The high-strength protective cloth coated on both sides is replaced by high-density reinforced glass cloth, and the high-density reinforced glass cloth and composite silicate board have high temperature resistance. Today, insulation materials in the offshore oil production platform and the marine industry are developing rapidly and their performance is gradually improving. The composite pattern aluminum plate series material and the three-proof insulation are the new materials and new insulation materials. Timely and properly compensated for the shortcomings and shortcomings of materials commonly used in offshore oil platforms and ships. To a certain extent, it has promoted the development of offshore oil recovery and shipbuilding, and provided new methods and new ideas for us to continue to develop thermal insulation materials with better performance and process renewal. (Finish)
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