Livestock and poultry wastewater treatment system and treatment method using system
A wastewater treatment system, livestock and poultry technology, applied in the field of livestock and poultry breeding wastewater treatment, can solve the problems of tower biofilter filter blockage, insufficient contact between granular sludge bed and wastewater, heavy load at the bottom of the reactor, etc. To avoid the plugging problem of fillers, improve the ability to remove organic matter, and improve the effect of water permeability
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Embodiment 1
[0040] The present embodiment uses pig manure sewage (average water quality is COD 3877.4mg / L, TP 39.0mg / L, TN1335.8mg / L, NH 4 + -N781.3mg / L, SS 1765mg / L, pH 8.01) as an example for wastewater treatment.
[0041] to combine figure 1 , figure 2 , the pig manure sewage (average water quality is COD 3877.4mg / L, TP 39.0mg / L, TN1335.8mg / L, NH 4 + -N781.3mg / L, SS 1765mg / L, pH 8.01), at 1.2m 3 The flow rate of / h is injected into the EGSB anaerobic reactor 2, the height of the EGSB anaerobic reactor 2 is 8m, the diameter is 1m, and the effective volume is 24m 3 , the top is provided with a three-phase separator 24, and the mechanical stirrer 21 is evenly distributed along the stirring shaft with 5 impellers 22, the diameter is 0.8m, and the internal reflux starts after 20h, and the reflux flow rate is 6.0m 3 / h, by adjusting the opening and closing of the backflow control valve and the degree of opening, the rotating speed of the impeller 22 in the mechanical agitator 21 is 17...
Embodiment 2
[0045] The present embodiment uses pig manure sewage (average water quality is COD 2544.8mg / L, TP 35.0mg / L, TN644.7mg / L, NH 4 + -N281.3mg / L, SS 1664mg / L, pH 7.53) as an example for wastewater treatment.
[0046] to combine figure 1 , the pig manure sewage (average water quality is COD 2544.8mg / L, T P 35.0mg / L, TN644.7mg / L, NH 4 + -N281.3mg / L, SS 1664mg / L, pH 7.53), at 2.0m 3 The flow rate of / h is injected into the EGSB anaerobic reactor 2, such as figure 2 , EGSB anaerobic reactor 2 is 5m high, 1m in diameter, and has an effective volume of 14m 3 , the top is provided with a three-phase separator 24, and the stirring shaft of the mechanical agitator 21 is provided with 4 impellers 22 with a diameter of 0.6m, which are uniformly staggered along the vertical direction, and the internal reflux starts after 7h, and the reflux flow rate is 6.0m 3 / h, by adjusting the opening and closing of the backflow control valve and the degree of opening, the rotating speed of the impel...
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