[Abstract] By orderly and orderly packing of export steel fiber, the volume of the packing box is reduced to about 33%, the loading capacity of the container is increased by 32% to 41%, and the unit freight is relatively reduced by 34% to 44%. It is an ideal package. New technologies have application and promotion value.
Key words: Melting steel fiber; Oriented ordered arrangement; Packing process control At present, domestic steel fiber packaging still adopts three-dimensional random arrangement, so that the packaging volume increases, and standard IC load capacity decreases by 37% to 47%. It's a great waste. The Netherlands, Japan, and the United Kingdom have long implemented the orderly arrangement of steel fibers. Internationally, packing standards of 20kg/carton, 5kg/carton, and 4x5kg/carton have been adopted and they must be oriented and arranged in an orderly manner. Otherwise, steel fibers will be reduced in price. 15%. Combined with international container standards, scientific and rational design of steel fiber packaging boxes. In order to give full play to the best carrying capacity of containers, to meet the needs of foreign trade.
1 Stainless steel fiber production technology 1.1 Unique production process Melting method The production of steel fiber is introduced by the United States advanced technology. The rapid quench metallurgy process is used to obtain the final product from molten steel at a time. The molten steel is melted to 1500-1600°C, and the melting wheel is buried in the surface of molten steel by a lifting device at a height of 0.5-0.7mm and rotates at a high speed of 300r/min. The molten steel is thrown along the tangent line to 10,000 degrees per second under the action of centrifugal force. Rapid cooling forms steel fibers.
1.2 Characteristics of Stainless Steel Fibers There are two kinds of magnetic and non-magnetic stainless steel fibers. According to their characteristics, the method and means of orderly arrangement are determined. The control of the production process determines the dimensional change of the cross-section of the stainless steel fiber, and the changes in the packing volume are shown in Table 1.
2 International container standards a. International container standards. International Container IC Series International Containers are large-sized containers that have a certain size and strength. In order to facilitate international circulation has long been standardized, divided into I, II, III series. IC series box shape, size and carrying capacity provide basis for loading steel fiber box volume;
b. Technical parameters match. It is very important to select the standards for the international container series box type and steel fiber packaging carton size. Because it is the key to designing the geometric size of the steel fiber packaging carton. To design the optimum carton volume, we must also ensure the strength requirements. Regardless of the method used for packing, the steel fibers should be oriented in an orderly manner in the carton to reach the weight requirement per carton. At the same time, it is required to ensure that the steel fiber packing boxes are arranged in an orderly manner in the international container. In order to use the carrying capacity of the container, it can be installed without overloading.
Table 1 Stainless steel fiber characteristics
3 Steel fiber packaging carton volume design 3.1 Determination of parameters Containers use series box type see Table 2. The design principle is that the ratio of randomly arranged carton volume to ordered carton volume ≥ 2.5 to 3; loading L=25mm steel fiber, bulk density 1200kg·m-3; 20kg standard tank volume to be 0.017m-3. With L = 35mm, the steel fiber bulk density was 1000kg·m-3, and the 20kg standard box volume was 0.02m-3.
Table 2 International Container I Series Size
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