Isostatic graphite preparation process for craft product processing
A technology of isostatic pressing and products, applied in the field of static pressing graphite preparation technology, can solve the problems of handicraft processing and unapplied graphite products.
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Embodiment 1
[0101] like figure 1 shown
[0102] 1. Raw materials: 65 parts by weight of petroleum coke with an average diameter of 10 μm and 35 parts by weight of pitch.
[0103] 2. Preparation method:
[0104] Step 1. Raw material selection
[0105] Choose from petroleum coke and pitch.
[0106] It mainly consists of the following raw materials and performance indicators:
[0107] Petroleum coke: fixed carbon content ≥99%, ash content ≤0.5%, boron B, gadolinium Gd less than 0.1ppm, samarium Sm, europium Eu, cadmium Cd and lithium Li less than 0.5ppm, moisture ≤0.2%, sulfur content ≤ 0.2%;
[0108] Asphalt: ash content ≤0.2%, volatile content 40-70%, coking value 40-70%, softening point 160-200°C, quinoline insoluble content 20-25%, toluene insoluble content 25-55% ;
[0109] Step 2, ingredients, kneading
[0110] Put the petroleum coke and pitch into the kneader, the temperature is 350°C, and the kneading time is 150min.
[0111] Step three, isostatic pressing
[0112] Place th...
Embodiment 2
[0126] like figure 1 shown
[0127] 1. Raw materials: 60 parts by weight of petroleum coke with an average diameter of 8 μm and 40 parts by weight of pitch.
[0128] 2. Preparation method:
[0129] Step 1. Raw material selection
[0130] Choose from petroleum coke and pitch.
[0131] It mainly consists of the following raw materials and performance indicators:
[0132] Petroleum coke: fixed carbon content ≥99%, ash content ≤0.5%, boron B, gadolinium Gd less than 0.1ppm, samarium Sm, europium Eu, cadmium Cd and lithium Li less than 0.5ppm, moisture ≤0.2%, sulfur content ≤ 0.2%;
[0133] Asphalt: ash content ≤0.2%, volatile content 40-70%, coking value 40-70%, softening point 160-200°C, quinoline insoluble content 20-25%, toluene insoluble content 25-55% ;
[0134] Step 2, ingredients, kneading
[0135] Put petroleum coke and pitch into a kneader, the temperature is 250°C, and the kneading time is 200min.
[0136] Step three, isostatic pressing
[0137] Place the mixtu...
Embodiment 3
[0151] like figure 1 shown
[0152] 1. Raw materials: 40 parts by weight of petroleum coke with an average diameter of 5 μm and 60 parts by weight of pitch.
[0153] 2. Preparation method:
[0154] Step 1. Raw material selection
[0155] Choose from petroleum coke and pitch.
[0156]It mainly consists of the following raw materials and performance indicators:
[0157] Petroleum coke: fixed carbon content ≥99%, ash content ≤0.5%, boron B, gadolinium Gd less than 0.1ppm, samarium Sm, europium Eu, cadmium Cd and lithium Li less than 0.5ppm, moisture ≤0.2%, sulfur content ≤ 0.2%;
[0158] Asphalt: ash content ≤0.2%, volatile content 40-70%, coking value 40-70%, softening point 160-200°C, quinoline insoluble content 20-25%, toluene insoluble content 25-55% ;
[0159] Step 2, ingredients, kneading
[0160] Put the petroleum coke and pitch into the kneader, the temperature is 400°C, and the kneading time is 175min.
[0161] Step three, isostatic pressing
[0162] Place the ...
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