Method for preparing high-performance compound machine-made charcoal
A mechanism carbon, high-performance technology, applied in the field of comprehensive utilization of resources, can solve the problems of low fixed carbon content of lignite, underdeveloped pore structure, and high volatile components of lignite, and achieve high fixed carbon content, good deashing effect and low price. Effect
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Embodiment 1
[0018] The preparation method of the high-performance composite mechanism carbon, its specific steps are as follows:
[0019] (1) First, the biomass raw material with a moisture content of less than 5% (walnut shell, pine nut shell, coconut shell and corn cob mixed biomass raw material with a mass ratio of 1:1:1:1) and lignite are crushed to a particle size of less than 1cm particle;
[0020] (2) The biomass raw material particles obtained in step (1) were pyrolyzed at a temperature of 400°C for 3 hours to obtain biochar, and the biomass gas generated during the pyrolysis process was further processed and used as fuel gas;
[0021] (3) The biochar obtained in the step (2) with a mass percentage of 10%, the lignite obtained in the step (1) with a mass percentage of 70%, a binder with a mass percentage of 10%, and a combustion aid with a mass percentage of 1%. 9% water is mixed evenly to obtain a mixed material, and the mixed material is pressed into a carbon rod with a central...
Embodiment 2
[0025] The preparation method of the high-performance composite mechanism carbon, its specific steps are as follows:
[0026] (1) First, the biomass raw material (bagasse) and lignite with a moisture content of less than 5% are crushed to particles with a particle size of less than 1cm;
[0027] (2) The biomass raw material particles obtained in step (1) were pyrolyzed at a temperature of 600°C for 2.5 h to obtain biochar, and the biomass gas generated during the pyrolysis process was further processed and used as fuel gas;
[0028] (3) The biochar obtained in the step (2) with a mass percentage of 30%, the lignite obtained in the step (1) with a mass percentage of 50%, the binder with a mass percentage of 5%, and the combustion improver with a mass percentage of 10% 5% water is mixed evenly to obtain a mixed material, and the mixed material is pressed into a carbon rod with a central hole; the preparation method of the binder is: pulverize the lignite containing more than 30w...
Embodiment 3
[0032] The preparation method of the high-performance composite mechanism carbon, its specific steps are as follows:
[0033] (1) First, the biomass raw material with a moisture content of less than 5% (furfural residue with a mass ratio of 1:1:1, coffee husk and peanut husk mixed biomass) and lignite are respectively crushed to particles with a particle size of less than 1cm;
[0034] (2) The biomass raw material particles obtained in step (1) were pyrolyzed at a temperature of 900°C for 1.5 hours to obtain biochar, and the biomass gas generated during the pyrolysis process was further processed and used as fuel gas;
[0035](3) The biochar obtained in the step (2) with a mass percentage of 40%, the lignite obtained in the step (1) with a mass percentage of 40%, the mass percentage of 1% binder, the mass percentage of 5% as a combustion aid, and the mass percentage 14% water is mixed evenly to obtain a mixed material, and the mixed material is pressed into a carbon rod with a...
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