High-water-content dredged sludge curing agent as well as preparation method and application thereof
A technology for dredging sludge and high water content, applied in chemical instruments and methods, water/sludge/sewage treatment, fixed/solidified sludge treatment, etc. , to achieve the effect of saving landfill land, reducing curing costs and reducing costs
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Embodiment 1
[0039] In this example, a high water content dredging sludge curing agent is prepared, which is used to treat dredging sludge with a water content of 60%.
[0040] The high water content dredging sludge curing agent includes the following raw materials in mass percentage: 28% industrial steel slag, 42% waste incineration bottom slag mixture, 6% sodium phosphate, 14% straw ash, and 10% lime.
[0041] The preparation and application method of described high water content dredging sludge curing agent comprises the following steps:
[0042] (1) Preliminarily screen waste incineration bottom slag and industrial steel slag through a 10mm sieve to remove large particles, obtain waste incineration bottom slag and industrial steel slag underscreen, and screen waste incineration bottom slag The lower objects are disinfected by spraying disinfectant with a sprayer;
[0043] (2) Add part of the sieved waste incineration bottom slag to the ball mill for ball milling to obtain a fine powde...
Embodiment 2
[0049] In this example, a high water content dredging sludge curing agent is prepared, which is used to treat dredging sludge with a water content of 70%.
[0050] The high water content dredging sludge solidifying agent includes the following raw materials in mass percentage: 30% industrial steel slag, 40% waste incineration bottom slag mixture, 5% sodium phosphate, 14% straw ash, and 11% lime.
[0051] The preparation and application method of described high water content dredging sludge curing agent comprises the following steps:
[0052] (1) Preliminarily screen waste incineration bottom slag and industrial steel slag through a 10mm sieve to remove large particles, obtain waste incineration bottom slag and industrial steel slag underscreen, and screen waste incineration bottom slag The lower objects are disinfected by spraying disinfectant with a sprayer;
[0053] (2) Add part of the sieved waste incineration bottom slag to the ball mill for ball milling to obtain a fine ...
Embodiment 3
[0058] In this example, a high water content dredging sludge curing agent is prepared, which is used to treat dredging sludge with a water content of 80%.
[0059] The high water content dredging sludge curing agent includes the following raw materials in mass percentage: 35% industrial steel slag, 36% waste incineration bottom slag mixture, 4% sodium phosphate, 13% straw ash, and 12% lime.
[0060] The preparation and application method of described high water content dredging sludge curing agent comprises the following steps:
[0061] (1) Preliminarily screen waste incineration bottom slag and industrial steel slag through a 10mm sieve to remove large particles, obtain waste incineration bottom slag and industrial steel slag underscreen, and screen waste incineration bottom slag The lower objects are disinfected by spraying disinfectant with a sprayer;
[0062] (2) Add part of the sieved waste incineration bottom slag to the ball mill for ball milling to obtain a fine powde...
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