Anaerobic treatment apparatus
A technology of anaerobic treatment and treatment device, which is applied in anaerobic digestion treatment, biological sludge treatment, biological water/sewage treatment and other directions, and can solve the problems of difficult gas, deterioration of treatment results, and difficult gas capture.
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Embodiment 1
[0054] use figure 2 The device shown is for anaerobic treatment of wastewater. In cross-sectional area 0.16m 2 , 6.25m high (tank capacity 1m 3 ) in the cylindrical reactor 2, two baffles 3 are installed to make it slope downward, and each occupied cross-sectional area of the baffles 3 is 0.112m 2 (70% of the cross-sectional area of the reactor). The installation angle (θ) of the baffle plate 3 is 45 degrees. the reactor 2 The water temperature inside is controlled at 35°C. Granular sludge particles are filled in the reactor 2 .
[0055] As the raw water, acid fermentation-treated water (COD=10,000 mg / L; SS=500 mg / L) of sparkling soft drink wastewater was used. The treated water overflowing from the upper end of the reactor 2 was used as a circulating fluid, and flowed into the reactor 2 together with the raw water, and the water passing speed was set at 2 m / h. According to the COD load, set the ratio of the raw water flow rate and the circulating water volume of ...
Embodiment 2
[0061] exist figure 2 In the shown anaerobic treatment device, as reactor 2, use Figure 4 as well as Figure 5 Experiments were carried out in the reactor with the configuration shown. exist Figure 4 In the shown reactor 2, two inclined baffles 3 are installed so that the angle (θ) between the side wall of the device and the baffles 3 is 30 degrees. The baffles 3 are only arranged on the upper 50% of the reactor 2 . On the other hand, in Figure 5 In the shown reactor 2, five inclined baffles 3 are installed around the full height of the reactor 2, so that the angle (θ) between the side wall of the device and the baffles 3 is 45 degrees.
[0062] Both take the cross-sectional area of the reactor as 0.16m 2 , with a height of 6.25m (capacity 1m 3 ), the cross-sectional area of the baffle forming the GSS portion is 0.112m 2 (70% of the cross-sectional area of the reactor) for experiments.
[0063] Granular sludge particles are filled in the reactor 2 . Raw wat...
Embodiment 3
[0078] As Reactor 2, use Figure 7 Various forms of reactors are shown. In series A, two inclined baffles are installed so that the angle between the inner wall of the reactor 2 and the baffle 3 is 30 degrees. Series B is to connect the defoamer injection pipe 10 to the raw water delivery pipe 1 of the reactor 2 of the A series, and add silicon-based defoamer as a defoamer at a ratio of 10 mg / L of water inflow to each reactor. into the raw water. The C series further installs the diffuser pipe 12 on the reactor 2 of the B series, passes through the supply pipe 13 of the generated gas, and supplies the generated gas to destroy and remove the scum in the GSS part. In all cases, the GSS part was disposed within the range of the upper 50% of the reactor 2 .
[0079] In the experiment, use image 3 device shown. In the reactor 2, granular sludge particles are filled. Raw water is supplied through a raw water supply pipe 1 connected to the lower end of the reactor 2, and treat...
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