Composite sludge treatment process
A sludge treatment and sludge technology, applied in the field of composite sludge treatment technology, can solve the problems of large amount of sludge treatment in rivers and lakes, complex construction conditions, poor dehydration effect, etc., to solve pollution transfer, reduce sludge disposal cycle, and reduce stacking time. Effect
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Embodiment 1
[0028] A composite sludge treatment process, comprising the steps of:
[0029] a. Impurity removal: use the first screen with an aperture of 10mm to screen the sludge to obtain the sludge that passes through the first screen;
[0030] b. Silt pretreatment: carry out secondary screening to the sludge obtained through step a through the first screen, and screen out the first sludge with a particle diameter of 5-10mm and the second sludge with a particle diameter less than 5mm;
[0031] c. pass the second silt obtained in step b into the conditioning tank, add water twice the volume of the second silt to dilute, then add a curing agent, and make the curing agent and the second silt mix uniformly by aeration treatment, the curing The quality of the agent is 7% of the quality after the drying of the second sludge, and the working pressure of the aeration treatment is 0.8MPa;
[0032] Next, press filter and dehydrate the aerated second sludge to obtain a mud cake;
[0033] The spe...
Embodiment 2
[0038] A composite sludge treatment process, comprising the steps of:
[0039] a. Impurity removal: use the first screen with an aperture of 10mm to screen the sludge to obtain the sludge that passes through the first screen;
[0040] b. Silt pretreatment: carry out secondary screening to the sludge obtained through step a through the first screen, and screen out the first sludge with a particle diameter of 5-10mm and the second sludge with a particle diameter less than 5mm;
[0041] c. pass the second silt obtained in b step into the conditioning tank, add water with 1 times the volume of the second silt to dilute, then add the curing agent, and make the curing agent and the second silt mix uniformly by aeration treatment, the curing The quality of the agent is 6% of the quality after the drying of the second sludge, and the working pressure of the aeration treatment is 0.6MPa;
[0042] Next, press filter and dehydrate the aerated second sludge to obtain a mud cake;
[0043...
Embodiment 3
[0048] A composite sludge treatment process, comprising the steps of:
[0049] a. Impurity removal: use the first screen with an aperture of 10mm to screen the sludge to obtain the sludge that passes through the first screen;
[0050] b. Silt pretreatment: carry out secondary screening to the sludge obtained through step a through the first screen, and screen out the first sludge with a particle diameter of 5-10mm and the second sludge with a particle diameter less than 5mm;
[0051] c. pass the second silt obtained in step b into the conditioning tank, add water 3 times the volume of the second silt to dilute, then add a curing agent, and make the curing agent and the second silt mix uniformly by aeration treatment, the curing The quality of the agent is 8% of the quality after drying the second sludge, and the working pressure of the aeration treatment is 1MPa;
[0052] Next, press filter and dehydrate the aerated second sludge to obtain a mud cake;
[0053] The specific p...
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