A method for quantitative analysis of surface gasification reaction after vacuum packaging iron coke with high-temperature glue
A technology of vacuum encapsulation and gasification reaction, which is applied to the analysis of materials, permeability/surface area analysis, suspension and porous material analysis, etc., and can solve problems such as obvious diffusion
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Embodiment 1
[0046] A method for quantitatively analyzing surface gasification reaction after high-temperature glue vacuum-packing iron coke, comprising the following steps:
[0047] S1. Take 12g of the solid phase agent of the inorganic high temperature adhesive and 10g of the liquid phase agent and mix them well. Use sandpaper to smooth the cut surface of the iron coke after cutting, and then place the grinding surface down on a plastic with an inner diameter of 30mm and a height of 20mm. In the mold, pour the mixed high-temperature glue into the mold slowly and evenly to ensure that the high-temperature glue completely immerses the sample. When the surface of the high-temperature glue in the mold is horizontal, put the whole mold into the vacuum constant temperature drying box, and turn on the vacuum pump. And after vacuum drying at 80 °C for 2 hours, the packaged samples were taken out;
[0048] S2. Use sandpaper to grind the packaged sample out of the surface of the sample, then use a...
Embodiment 2
[0055] This embodiment provides a method for quantitatively analyzing the surface gasification reaction of iron coke after being vacuum-packaged with high temperature glue. Compared with Embodiment 1, the difference lies in that the iron coke is composed of the mass fraction of pulverized coal with a particle size of less than 1 mm. It is made by adding 30% mass fraction of Hubei iron ore powder (30% EX) with a particle size of 0.2-0.5mm and 10% asphalt powder (10% asphalt).
[0056] ORIGIN 9.0 software was used to draw the relationship curves of the total area of pores, the total surface area of pores and the total volume of pores and time after gasification reaction in specific areas on the surface of different iron coke samples in Example 1 and Example 2. The results are as follows: Figures 2 to 4 shown.
[0057] figure 2 is the variation of the total area of pores on the surface of different types of iron cokes with time at 1100 °C, which is represented by figur...
Embodiment 3
[0062] This embodiment provides a method for quantitatively analyzing the surface gasification reaction of iron coke after being vacuum-packaged with high temperature glue. Compared with Embodiment 1, the difference is that the gasification reaction temperature in step S3 is 900°C.
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