Large-scale pitch sphere oxidation non-fusible preparation process and device

[0033]An oxidation non-melting device, which includes a trolley, a power system, a furnace body 19, a push-pull compartment door 5, an electric heating plate 11, an air inlet and outlet system, and is characterized in that the trolley includes an annular screen frame 1, a screen frame shaft 2, and a quick coupling Shaft device 3, screen frame combination box 4, bottom screen frame combination box 6 with wheels and turbine 7, screen frame combination box 4 is 4, there is an annular screen frame 1 inside, and the annular screen frame 1 is connected with the screen frame combination box 4. The screen frame shaft 2 in the center is connected and rotates together with the screen frame shaft 2. The lower end of the top screen frame shaft 2 is fixed with a hollow upper half coupling 3b, and the lower half coupling 3a with a column core is connected to the lower layer The upper end of the screen frame shaft 2, and so on, is located at the lower end of the screen frame shaft 2 of the bo...

[0046] There are 13 trolley cabins stored, and 10 screen frame combination boxes 4, and all the other are with embodiment 1.

[0047] According to the method of the embodiment, the oxidation and non-melting of 50kg pitch balls of 0.5mm is carried out, and the residence time of each cabin is 0.5h, and the process parameters of each cabin are shown in Table 2:

[0048]

[0049] The cohesive rate of the product obtained after oxidation and non-melting is 0.6%.

[0051] There are 15 compartments for storing cars, and 15 screen frame combination boxes 4, and all the other are with embodiment 1.

[0052] According to the method of the embodiment, the oxidation and non-melting of 20kg asphalt balls of 1mm is carried out, and the residence time of each cabin is 1h, and the process parameters of each cabin are shown in Table 3:

[0053]

[0054] The cohesive rate of the product obtained after oxidation and non-melting is 0.5%.