Harmless resourceful treatment method for municipal sludge
A technology of municipal sludge and treatment methods, which is applied in the fields of fertilizer treatment control, liquid/slurry treatment, fertilizer treatment heating/cooling, etc., and can solve problems such as not being able to meet environmental protection requirements
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Embodiment 1
[0020] Embodiment 1: a kind of municipal sludge harmless recycling treatment method, described method comprises the following steps:
[0021] Step 1: After the municipal sludge is salvaged, it is mixed with the remaining sludge and activated sludge of the domestic sewage treatment plant according to the weight ratio of 1:1:1;
[0022] Step 2: adding a leavening agent and a conditioning agent to the mixed sludge; adding 100 kilograms of a leavening agent and a conditioning agent to each ton of the mixed sludge;
[0023] Step 3: Stir the mixed sludge after adding leavening agent and conditioning agent evenly;
[0024] Step 4: Transport the mixed sludge evenly stirred in step 3 to the constant temperature drum for fermentation; the constant temperature drum is provided with a heating device; the heating device heats the mixed sludge in the constant temperature drum, and heats the mixed sludge to 50-55 degrees Celsius, and maintain a constant temperature, drive the constant tempe...
Embodiment 2
[0026] Embodiment 2: a kind of municipal sludge harmless recycling treatment method, described method comprises the following steps:
[0027] Step 1: After the municipal sludge is salvaged, it is mixed with the remaining sludge and activated sludge of the domestic sewage treatment plant according to the weight ratio of 1:1:1;
[0028] Step 2: adding a leavening agent and a conditioning agent to the mixed sludge; adding 100 kilograms of a leavening agent and a conditioning agent to each ton of the mixed sludge;
[0029] Step 3: Stir the mixed sludge after adding leavening agent and conditioning agent evenly;
[0030] Step 4: Transport the mixed sludge evenly stirred in step 3 to the constant temperature drum for fermentation; the constant temperature drum is provided with a heating device; the heating device heats the mixed sludge in the constant temperature drum, and heats the mixed sludge to 50-55 degrees Celsius, and maintain a constant temperature, drive the constant tempe...
Embodiment 3
[0032] Embodiment 3: a kind of municipal sludge harmless recycling treatment method, described method comprises the following steps:
[0033] Step 1: After the municipal sludge is salvaged, it is mixed with the remaining sludge and activated sludge of the domestic sewage treatment plant according to the weight ratio of 1:1:1;
[0034] Step 2: Add a leavening agent and a conditioning agent to the mixed sludge; the leavening agent and the conditioning agent are added with 100 kilograms of the leavening agent and the conditioning agent per ton of the mixed sludge; the leavening agent and the finishing agent are straw , straw, sawdust and household waste;
[0035] Step 3: Stir the mixed sludge after adding leavening agent and conditioning agent evenly;
[0036] Step 4: Transport the mixed sludge evenly stirred in step 3 to the constant temperature drum for fermentation; the constant temperature drum is provided with a heating device; the heating device heats the mixed sludge in t...
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