Chinese medicine residue biomass charcoal-based urea, and preparation method thereof
A technology of biochar and traditional Chinese medicine dregs, which is applied in the field of urea, can solve the problems of unseen research reports on biochar and urea of traditional Chinese medicine dregs, increase soil fertility and available nutrient content, promote the formation of soil aggregates, and The effect of living space
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Embodiment 1
[0056] A preparation method of traditional Chinese medicine dregs biomass carbon-based urea, comprising the following steps:
[0057](1) Pyrolyzing the residue of traditional Chinese medicine at high temperature to obtain biochar and combustible gas from residue of traditional Chinese medicine;
[0058] (2) Mix the raw material of urea with biochar of traditional Chinese medicine residue accounting for 12% of the total raw material weight of urea, melt and granulate, and collect the pellets; wherein, the heat required for melting is provided by the combustion of the combustible gas;
[0059] The urea includes the following raw materials in parts by weight: 60 parts of granular urea, 0.5 part of urea synergist, 0.08 part of urea anti-caking agent, and 0.5 part of urea modifier;
[0060] (3) Cool the collected pellets under negative pressure for screening;
[0061] (4) Coat the screened pellets, pack and ship, and prepare biomass carbon-based urea from traditional Chinese medic...
Embodiment 2
[0073] A preparation method of traditional Chinese medicine dregs biomass carbon-based urea, comprising the following steps:
[0074] (1) Pyrolyzing the residue of traditional Chinese medicine at high temperature to obtain biochar and combustible gas from residue of traditional Chinese medicine;
[0075] (2) Mix the raw material of urea with biochar of traditional Chinese medicine slag accounting for 13% of the total raw material weight of urea, melt and granulate, and collect the pellets; wherein, the heat required for melting is provided by the combustion of the combustible gas;
[0076] The urea includes the following raw materials in parts by weight: 62 parts of granular urea, 0.7 part of urea synergist, 0.09 part of urea anti-caking agent, and 0.7 part of urea modifier;
[0077] (3) Cool the collected pellets under negative pressure for screening;
[0078] (4) Coat the screened pellets, pack and ship, and prepare biomass carbon-based urea from traditional Chinese medicin...
Embodiment 3
[0090] A preparation method of traditional Chinese medicine dregs biomass carbon-based urea, comprising the following steps:
[0091] (1) Pyrolyzing the residue of traditional Chinese medicine at high temperature to obtain biochar and combustible gas from residue of traditional Chinese medicine;
[0092] (2) Mix the raw material of urea with the biomass charcoal of traditional Chinese medicine residue accounting for 14% of the total raw material weight of urea, melt and granulate, and collect the pellets; wherein, the heat required for melting is provided by the combustion of the combustible gas;
[0093] The urea includes the following raw materials in parts by weight: 65 parts of granular urea, 1 part of urea synergist, 0.1 part of urea anti-caking agent, and 0.1 part of urea modifier;
[0094] (3) Cool the collected pellets under negative pressure for screening;
[0095] (4) Coat the screened pellets, pack and ship, and prepare biomass carbon-based urea from traditional Ch...
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