Municipal domestic sludge air flotation concentrating treatment device and method thereof
A technology for domestic sludge and treatment equipment, applied in dewatering/drying/concentrating sludge treatment, etc., can solve the problems of lack of systematic research on process parameters and equipment, easy generation of odor and phosphorus release reaction, and less application of air flotation concentration technology. , to achieve the effect of extensive technological advancement, small footprint and low engineering cost
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Embodiment 1
[0037] A municipal domestic sludge air flotation concentration treatment equipment such as figure 2 As shown, the equipment includes a sludge conditioning unit for quantitative dosing, mixing, and reaction, and a vortex-concave air flotation concentration unit for dissolving air in sludge and completing separation. In this embodiment, the sludge conditioning unit is conditioning pool 1, and conditioning pool 1 communicates with the bottom of vortex concave air flotation concentration pool 3 through central feed pipe 2, and vortex concave air flotation concentration pool 3 has a double cone bottom, and A central reaction cylinder 4 is arranged at the center of the floating concentration tank 3, the middle section of the central reaction cylinder 4 is cylindrical, the upper and lower ends of the central reaction cylinder 4 are bell mouths, and a rotating The air bearing head 6 connected to the shaft 7 is located at the inner bottom of the central reaction cylinder 4 and at the ...
Embodiment 2
[0047] A municipal domestic sludge air flotation concentration treatment equipment, the specific scheme is the same as that of embodiment 1, the difference is that Figure 5 A kind of air bearing head that is used for vortex dissolved air is shown, the top of the air bearing head is connected to the hollow rotating shaft 7, and the air bearing head includes six surfaces that are provided with a plurality of micropores 62 and hollow dissolving branch pipes 63, and use It is connected to the rotating shaft and the gas-dissolving branch pipe and is a hollow central disk 64. The gas-dissolving branch pipe is a curved pipe with a hollow structure, and the microholes are set on the side of the gas-dissolving branch pipe away from the direction of rotation, and the diameter of the microholes is 5mm. The central disk is a cylinder with an opening 65 on the top that can be connected with the rotating shaft and a cavity inside. The outer wall of the central disk is evenly distributed wi...
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