A rural domestic sewage treatment process
A technology for domestic sewage and treatment process, applied in the field of rural domestic sewage treatment technology, can solve the problems of low efficiency of domestic sewage treatment and energy waste, and achieve the effects of cost saving, large sewage treatment capacity and good quality.
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Embodiment 1
[0031] A rural domestic sewage treatment process, the sewage treatment process mainly includes the following steps:
[0032] Step 1: Centrally collect rural domestic sewage in the sewage pool, and pre-treat the domestic sewage in the sewage pool;
[0033] Step 2: Carrying out aerobic biochemical treatment to the domestic sewage pretreated in Step 1;
[0034] Step 3: The domestic sewage after step 2 aerobic biochemistry is subjected to the synergistic treatment of micro-nano bubbles and biofilm carriers.
[0035] In this embodiment, concentrating rural domestic sewage in a sewage pool (not shown in the figure) can facilitate centralized treatment of rural domestic sewage and prevent rural domestic sewage from being discharged everywhere to pollute the environment or soil. In the sewage tank, domestic sewage can be pretreated by filtration and sedimentation to remove impurities such as sediment, clay, organic matter and mechanical impurities in the sewage, so as to ensure the e...
Embodiment 2
[0037]The sewage treatment equipment includes several sewage treatment barrels 1, and the sewage treatment barrels 1 are equipped with an air inlet pipe 2, a first water inlet pipe 3 and a first drain pipe 4, and the air inlet pipe 2, the first water inlet pipe 3 and the ends of the first drainage pipe 4 extend out of the sewage treatment barrel 1, and the sewage treatment barrel 1 is connected with a sewage discharge pipe 5 on the side wall at the lower end. The upper and lower parts of several sewage treatment barrels 1 are respectively a second water inlet pipe 6 and a second water outlet pipe 7, one end of the second water inlet pipe 6 is closed, and the other end of the second water inlet pipe 6 extends into the sewage source, and the second outlet pipe 6 is closed. One end of the water pipe 7 is closed, and the other end of the second water outlet pipe 7 stretches into the collection tank. The second water inlet pipe 6 communicates with the first water inlet pipe 3 throu...
Embodiment 3
[0051] The wetland treatment equipment includes several wetland modules 19, and the wetland modules 19 are connected in a regular quadrilateral or regular hexagonal manner to form the wetland treatment equipment. The side wall of the wetland module 19 is respectively provided with a water inlet 20 and a water outlet 21, the water inlet 20 and the water outlet 21 are respectively located on the opposite sides of the wetland module 19, and the water inlet 20 and the water outlet 21 are alternately arranged in the upper and lower positions, the The water outlet of the second water outlet pipe 7 extends into the water inlet 20 of the wetland module 19; the wetland module 19 includes a soil layer 22, a biofilm-coated porous filler layer 23 and a porous ceramic layer 24 from top to bottom. The surface of the wetland module 19 is provided with a micro-nano bubble input inlet 25, and the micro-nano bubble input inlet 25 is sequentially connected with a micro-nano bubble generator 26 an...
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