Saline-alkalized grassland treatment method
A salinization and grassland technology, which is applied in the direction of soil preparation methods, chemical instruments and methods, and other chemical processes, can solve problems such as recurrence, short duration, and inability to completely remove salinity, so as to increase nutrients and maintain efficacy The effect of long-term, not easy to relapse of salinization
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[0022] Preparation of the improver: take the wheat straw and rice straw into a straw pulverizer according to the mass ratio of 1:2, pulverize at 3600r / min, collect the pulverized material, and put the pulverized material into the mixer at 150r / min Stir, add water to the mixer until the water content of the pulverized material is 15-20%, then add 6-9% sodium bicarbonate of the pulverized material to the mixer, stir for 5-10 minutes, and put the material in the mixer into the press In the process, extrude at 20MPa for 15-20min, collect the extrudate, and put the extrudate into the tubular carbonization furnace, use nitrogen protection, heat up to 135~150℃ at 6℃ / min, keep the temperature for 1~2h, Raise the temperature to 400~430℃ at 8℃ / min, keep it for 2~4h, then reduce the temperature to 210~230℃ at 3℃ / min, keep it for 30~35min, then cool to room temperature naturally, collect the carbonized material, and put the carbonized material into the pulverizer Crush and pass through a 1...
Example Embodiment
[0024] Example 1
[0025] Preparation of the improver: take the wheat straw and rice straw into a straw pulverizer according to the mass ratio of 1:2, pulverize at 3600r / min, collect the pulverized material, and put the pulverized material into the mixer at 150r / min Stir, add water to the mixer until the water content of the pulverized material is 20%, then add 9% sodium bicarbonate of pulverized material to the mixer, stir for 10 minutes, put the material in the mixer into the press, and squeeze at 20MPa 20min, collect the extrudate, put the extrudate into the tubular carbonization furnace, use nitrogen protection, heat up to 150°C at 6°C / min, hold for 2h, heat up to 430°C at 8°C / min, hold for 4h, Then cool down to 230°C at 3°C / min, keep the temperature for 35 minutes, then cool to room temperature naturally, collect the carbonized material, put the carbonized material into a pulverizer for pulverization, and pass through a 100-mesh sieve to collect the sieved particles; in part...
Example Embodiment
[0028] Example 2
[0029] Preparation of the improver: take the wheat straw and rice straw into a straw pulverizer according to the mass ratio of 1:2, pulverize at 3600r / min, collect the pulverized material, and put the pulverized material into the mixer at 150r / min Stir, add water to the mixer until the water content of the pulverized material is 15%, then add 6% sodium bicarbonate of the pulverized material to the mixer, stir for 5 minutes, put the material in the mixer into the press, and squeeze at 20MPa 15min, collect the extrudate, put the extrudate into the tubular carbonization furnace, use nitrogen protection, heat up to 135°C at 6°C / min, hold for 1h, heat up to 400°C at 8°C / min, hold for 2h, Then cool down to 210°C at 3°C / min, keep the temperature for 30 minutes, then cool to room temperature naturally, collect the carbonized material, put the carbonized material into a pulverizer for pulverization, and pass a 100-mesh sieve to collect the sieved particles; in parts by ...
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