The fiberglass double-layer anti-static oil storage tank fully utilizes the lightweight, high-strength, corrosion-resistant, and rust resistant characteristics of fiberglass material. In terms of structural design, a unique sandwich double wall design is adopted, with the inner layer of the tank storing oil, which is corrosion-resistant, anti-static, non scaling, and has strong seismic resistance. The outer storage tank is subjected to underground soil pressure and other loads, mainly using wrapped fibers, which have high unidirectional tensile strength Long service life, low overall cost, quick installation, safe and reliable advantages. ..

FRP double wall underground oil storage tank

Due to the increasing corrosiveness of fuels and liquids containing chemical components stored in underground steel storage tanks around the world over the past few decades, in addition to coating the inner surface of existing steel tanks with FRP (fiberglass reinforced plastic), a large market trend is to use FRP underground storage tanks. Due to the requirements of impermeability and compression resistance, FRP storage tanks have shifted from single wall to double wall, and from a single process to a combination of multiple processes. As the design and quality of FRP double wall storage tanks have become increasingly perfect, they have become a very mature chemical anti-corrosion and anti-seepage fiberglass product in recent years.
The use of fiberglass materials to make underground storage tanks has been popular in the United States since the 1960s. According to relevant reports, as of September 2006, there were approximately 500000 underground storage tanks in the United States made of fiberglass material. The underground fiberglass double wall tank adopts a double-layer structure with a wall thickness of 6.3mm to 12.6mm. The service life of FRP underground storage tanks is up to 60 years. In Australia and New Zealand, over 6000 FRP double wall underground storage tanks are being put into use. The production of FRP underground storage tanks using fiber winding technology has a very strong market in Southeast Asia, with sales of approximately $100 million per year. In Europe, single wall and double wall FRP underground storage tanks are widely used for storing household fuels and sewage. Due to the supporting system of resin and fiber materials in the Netherlands, the market for double walled underground storage tanks is very huge. In Taiwan, FRP double wall underground storage tanks are widely used in many gas stations on the island.
FRP double wall storage tanks are completed using various processes, namely short cut fiberglass spraying (or fiberglass surface felt) on a rotating core mold, and then winding and forming according to the thickness requirements of the inner wall. After gel is added to the inner wall of the tank, alkali free fiber braid is added. The structural layer is made by filament winding molding process, and the outer layer is made by spraying process. After the FRP double wall storage tank is cured, it is reinforced with perforated ribs according to technical requirements until the processing is completed. In order to promote the market development of FRP double-layer storage tanks, Owens Corning, Ashland, Aoc, DSM, Parabem, and other companies in the United States have provided meta benzene, vinyl ester resins, and alkali free glass fiber winding yarns that meet performance requirements. Some reputable double walled tank manufacturers, such as Xerxes, CSI, and BC from the United States, have extended the underground tank manufacturing market to various parts of the world. CSI has manufactured and supplied double walled FRP underground storage tanks in the United States and Canada. Huaxin Company's double wall storage tank has a maximum size of DN4000mm X 12000mm and provides a complete set of construction guidelines to the construction and installation units.
China is one of the countries with a large storage capacity for fuel and chemical raw materials in the world. A large number of underground storage tanks are made of traditional steel products. With the introduction of advanced international technology and information, China will vigorously use FRP materials to manufacture underground storage tanks. This market has just started in China and has broad prospects. Huaxin Company actively collaborates with research and design departments in the petrochemical industry and relevant government departments to jointly develop FRP underground double-layer and multi-layer storage tanks, in order to adapt to the emerging market of chemical anti-corrosion industry. One ZBQ-C type trough cable tray>
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