Sandwich-structure fiber glass reinforced plastic inner floating plate for oil storage tank and manufacturing method of sandwich-structure fiber glass reinforced plastic inner floating plate

Abstract

The invention discloses a sandwich-structure fiber glass reinforced plastic inner floating plate for an oil storage tank and a manufacturing method of the sandwich-structure fiber glass reinforced plastic inner floating plate. The sandwich-structure fiber glass reinforced plastic inner floating plate comprises a sandwich-structure fiber glass reinforced plastic inner floating plate body. The sandwich-structure fiber glass reinforced plastic inner floating plate body comprises a floating plate and sealing devices surrounding the inner wall of the oil storage tank, and the sealing devices are installed between the floating plate and the inner wall of the oil storage tank. Each sealing device comprises a two-layer stainless steel part and Teflon sealing adhesive tape which are stacked together, wherein the Teflon sealing adhesive tape is tightly attached to the inner wall of the oil storage tank, one end of the two-layer stainless steel part and one end of the Teflon sealing adhesive tapeare downward, and the other end of the two-layer stainless steel part and the other end of the Teflon sealing adhesive tape are connected with an edge baffle through a stainless steel bolt with a stainless steel pressing part. The edge portion of the floating plate is connected with the corresponding sealing devices through the edge baffle surrounding the floating plate. The sandwich-structure fiber glass reinforced plastic inner floating plate for the oil storage tank is simple and unified in structure, low in weight, high in strength and rigidity, low in heat conductivity and good in chemical corrosion resistance, and has broad market prospects.

Description

technical field [0001] The invention relates to the technical field of anti-volatility structures for oil storage tank equipment in petrochemical engineering, in particular to a sandwich-structure FRP inner floating plate for oil storage tanks and a manufacturing method thereof. Background technique [0002] The inner floating plate is a kind of energy-saving and environmental protection equipment that rises and falls with the buoyancy of the liquid surface of the storage tank, reduces the volatilization of the medium, and reduces the loss. It is a protection measure commonly used at home and abroad to effectively reduce the volatilization of oil products. The structure and material of the floating plate in the commonly used oil storage tanks are based on the national standard and industry standard "Code for Design of Vertical Cylindrical Welded Steel Tanks" GB50341-2014 and "Code for Design of Vertical Cylindrical Steel Welded Tanks in Petrochemical Industry" 》SH3046-92; It...

AI Technical Summary

Problems solved by technology

[0003] However, the steel and stainless steel compartment type and aluminum buoy type inner floating discs that are currently used in engineering applications have relatively large deficiencies in terms of processing, installation, service life and comprehensive cost; Since it is heavy, it is difficult to process and install and has the shortest service life. It is basically out of use at present; the aluminum inner floating plate adopts the buoyancy tube to provide buoyancy, which is easily affected by uneven buoyancy and causes poor sinking resistance. The large weight and insufficient rigidity cause the overall droop deformation. Chemical corrosion resistance and anti-aging performance are poor, so its service life is only eight years and there are many later maintenances, and the overall cost is high; the stainless steel inner floating plate adopts a compartment structure, which is heavy in weight, insufficient in rigidity and large in deformation, difficult to process and install, and poor in safety , 12-year service life, but there are many later maintenances, and the overall cost is high; petrochemical equipment engineering and technical personnel have conducted a large number of theoretical and experimental tests to change the above-mentioned defects and deficiencies of the floating discs in oil storage tanks with traditional materials and complex structures, However, due to the material characteristics of traditional materials, the use of traditional steel, aluminum and stainless steel inner floating plates has been restricted and questioned.

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