Method used for preparing drip-irrigation special-purpose fertilizer from biogas slurry
A special fertilizer and biogas slurry technology, applied in the application, organic fertilizer, fertilization device and other directions, can solve the problems of high treatment and operation cost, large equipment investment, waste of water resources, etc. effect of disease
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Embodiment 1
[0022] Example 1 A method for preparing special fertilizer for drip irrigation with biogas slurry, comprising the following steps:
[0023] ⑴Pump the biogas slurry with normal and stable gas production for more than one month into the buffer tank for natural sedimentation, so that the large particles of inorganic and organic matter that have not been degraded are naturally settled and stratified to obtain the supernatant.
[0024] (2) The supernatant is pumped into the self-cleaning brush filter Ⅰ to filter and remove the suspended matter in the biogas slurry to obtain the filtered biogas slurry, which is sterilized and then pumped into the nutrient element addition tank and microbial deployment in the can.
[0025] Among them: sterilization refers to the use of a tubular ultraviolet sterilizer to irradiate bacteria with ultraviolet UV-C light with a wavelength of 253.7nm for 1.5h.
[0026] (3) Because the biogas slurry is rich in nitrogen, phosphorus, potassium, copper, iro...
Embodiment 2
[0032] Example 2 A method for preparing special fertilizer for drip irrigation with biogas slurry, comprising the following steps:
[0033] ⑴Pump the biogas slurry with normal and stable gas production for more than one month into the buffer tank for natural sedimentation, so that the large particles of inorganic and organic matter that have not been degraded are naturally settled and stratified to obtain the supernatant.
[0034] (2) The supernatant is pumped into the self-cleaning brush filter Ⅰ to filter and remove the suspended matter in the biogas slurry to obtain the filtered biogas slurry, which is sterilized and then pumped into the nutrient element addition tank and microbial deployment in the can.
[0035] Among them: sterilization refers to the use of a tubular ultraviolet sterilizer to irradiate bacteria with ultraviolet UV-C light with a wavelength of 253.7nm for 3 hours.
[0036] (3) Because the biogas slurry is rich in nitrogen, phosphorus, potassium, copper,...
Embodiment 3
[0042] Example 3 A method for preparing special fertilizer for drip irrigation with biogas slurry, comprising the following steps:
[0043] ⑴Pump the biogas slurry with normal and stable gas production for more than one month into the buffer tank for natural sedimentation, so that the large particles of inorganic and organic matter that have not been degraded are naturally settled and stratified to obtain the supernatant.
[0044] (2) The supernatant is pumped into the self-cleaning brush filter Ⅰ to filter and remove the suspended matter in the biogas slurry to obtain the filtered biogas slurry, which is sterilized and then pumped into the nutrient element addition tank and microbial deployment in the can.
[0045] Among them: sterilization refers to the use of a tubular ultraviolet sterilizer to irradiate bacteria with ultraviolet UV-C light with a wavelength of 253.7nm for 2 hours.
[0046] (3) Because the biogas slurry is rich in nitrogen, phosphorus, potassium, copper,...
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