A method of using waste plastics to replace part of coal to produce coke
A technology of waste plastics and replacement parts, applied in products, coke ovens, special forms of dry distillation, etc., can solve problems such as land occupation and secondary pollution, achieve good economic and environmental benefits, and reduce environmental pollution.
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Embodiment 1
[0027] Slowly heat medium-temperature asphalt from Shanghai Mingtong Subgrade Material Co., Ltd. to 125°C. During the heating process, waste polypropylene granular plastics with a particle size of less than 2 mm are added. The mass ratio of waste polypropylene granular plastics to asphalt is 1:6. The tar residue accounting for 4% of the weight of the asphalt is added while stirring. After it is completely melted, it is kept for 5 minutes and then cooled to 20°C and crushed until the particle size is less than 4mm. Add the processed mixed material to the blended coal with a particle size of less than 6mm according to the weight ratio of 5% of the blended coal. The composition of the blended coal is Ad=8%, VMd=24%. After fully mixing, put it into a pulverizer for pulverization, and the particle size of the pulverized material is less than 1mm. Put the crushed material into a 40kg small coke oven and heat it up to 1050°C at a heating rate of 2.5°C / min, then stop heating and keep ...
Embodiment 2
[0029] Slowly heat medium-temperature asphalt from Shanghai Mingtong Subgrade Material Co., Ltd. to 130°C. During the heating process, waste polyvinyl chloride granular plastics with a particle size of less than 2 mm are added. The mass ratio of waste polyvinyl chloride granular plastics to asphalt is 2:5. At the same time, add tar residue accounting for 5% of the weight of the asphalt, and add it while stirring. After it is completely melted, keep it for 5 minutes, cool to 25°C, and then crush it to a particle size of less than 4mm. Add the processed mixed material to the blended coal with a particle size of less than 6mm according to the weight ratio of 7% of the blended coal. The composition of the blended coal is Ad=9%, VMd=25%. After fully mixing, put it into a pulverizer for pulverization, and the particle size of the pulverized material is less than 1mm. Put the crushed material into a 40kg small coke oven and heat it up to 1050°C at a heating rate of 2.5°C / min, then st...
Embodiment 3
[0031] Slowly heat medium-temperature asphalt from Shanghai Mingtong Subgrade Material Co., Ltd. to 130°C. During the heating process, waste polystyrene granular plastics with a particle size of less than 2 mm are added. The mass ratio of waste polystyrene granular plastics to asphalt is 2:5. At the same time, add tar residue accounting for 7% of the weight of the asphalt, and add it while stirring. After it is completely melted, keep it for 5 minutes, cool to 30°C, and then crush it to a particle size of less than 4mm. Add the processed mixed material to the blended coal with a particle size of less than 6mm according to the weight ratio of 7% of the blended coal. The composition of the blended coal is Ad=10%, VMd=26%. After fully mixing, put it into a pulverizer for pulverization, and the particle size of the pulverized material is less than 1mm. Put the crushed material into a 40kg small coke oven and heat it up to 1050°C at a heating rate of 2.5°C / min, then stop heating an...
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