SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that the existing rural domestic sewage treatment device is easy to block along with precipitation in the process of filtering large sewage blocks, and the blocked impurities are inconvenient to clean, the sludge after sewage treatment is usually treated by back drainage and secondary treatment, and the residual sludge needs to be transported away, thereby wasting time and energy.
In order to achieve the above object, the utility model provides a following technical scheme: a rural domestic sewage treatment device comprises a water inlet, wherein one end of the water inlet is provided with a coarse filter tank, a coarse grating is arranged at the middle position inside the coarse filter tank, one end of the coarse filter tank is connected with a fine filter tank through a pipeline, a fine grating is arranged at the middle position inside the fine filter tank, rollers are uniformly arranged at the four corners of the top of the fine filter tank, an anaerobic tank is arranged at the bottom of the fine filter tank, a first water pump is arranged at one end of the anaerobic tank, an anoxic tank is arranged at one end of the first water pump, an aeration tank is arranged at one end of the anoxic tank, an aerator is arranged at the top of the aeration tank, a second water pump is arranged at one end of the aeration tank, an ecological treatment tank is arranged at one end of the ecological treatment tank, a sludge pump is arranged at the top of the sedimentation tank, a sludge inlet is arranged at the input end of the sludge pump, the output of sludge pump is provided with out the mud mouth, the one end of sedimentation tank is provided with the disinfection pond, the one end in disinfection pond is provided with the delivery port.
Preferably, the tops of the coarse filter tank and the fine filter tank are both provided with cover plates.
Preferably, the thick grating and the thin grating are both provided with hooks.
Preferably, a sandstone layer is arranged on the inner wall of the ecological treatment tank, and a sludge layer is arranged on the inner wall of the sandstone layer.
Preferably, the top of the water inlet and the top of the water outlet are both provided with control valves.
Preferably, a permeable layer is arranged at the position, adjacent to the sedimentation tank, of the ecological treatment tank.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an introduce sewage from the water inlet, the thick grid in the coarse filtration pond blocks down the bold debris of aquatic, evenly be provided with the couple on the thick grid, plastic bag in the sewage hooks and gets, avoid flowing into next treatment tank and cause the jam, thin grid in the fine filtration pond carries out the second floor to less debris and filters, when accumulational debris is more, can directly pull out the clearance with thin grid through the gyro wheel of fine filtration pond four corners department, it is more convenient to clear up, the effect is better, ecological treatment tank has laid the gravel layer all around, be provided with the silt layer in the middle of the gravel layer, the silt pump will be through the sedimentation tank after sediment arranges the silt layer from the mud outlet through the mud inlet, plant the plant can absorb a large amount of nitrogen in the water in the growth process, nutrient element such as phosphorus and some heavy metal element, reduce energy consumption.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The water pump (G-JET JET pump), the sludge pump (GNWQ) and the Aerator (AFWF) can be ordered and obtained in the market or private.
Referring to fig. 1-3, a rural domestic sewage treatment device comprises a water inlet 1, a coarse filter tank 6 is arranged at one end of the water inlet 1, a coarse grating 11 is arranged at the middle position inside the coarse filter tank 6, a fine filter tank 2 is connected at one end of the coarse filter tank 6 through a pipeline, a fine grating 10 is arranged at the middle position inside the fine filter tank 2, rollers 7 are uniformly arranged at the four corners of the top of the fine filter tank 2, an anaerobic tank 3 is arranged at the bottom of the fine filter tank 2, a first water pump 21 is arranged at one end of the anaerobic tank 3, an anoxic tank 4 is arranged at one end of the first water pump 21, an aeration tank 8 is arranged at one end of the anoxic tank 4, an aerator 5 is arranged at the top of the aeration tank 8, a second water pump 9 is arranged at one end of the aeration tank 8, an ecological treatment tank 12 is arranged at one end of the second water pump 9, a sedimentation tank 18 is arranged at one, the input end of the sludge pump 15 is provided with a sludge inlet 17, the output end of the sludge pump 15 is provided with a sludge outlet 16, one end of the sedimentation tank 18 is provided with a disinfection tank 19, and one end of the disinfection tank 19 is provided with a water outlet 20.
The utility model discloses an introduce sewage from water inlet 1, the thick grid 11 in the coarse filtration pond 6 blocks the bold debris in aqueous, evenly be provided with the couple on thick grid 11, plastic bag in the sewage is hooked and gets, avoid flowing into next treatment tank and cause the jam, thin grid 10 in the fine filtration pond 2 carries out the second floor to less debris and filters, when the debris that is piled up is more, can pull up thin grid 10 from gyro wheel 7 that sets up on the fine filtration pond 2 and clear up, it is more convenient to clear up, the effect is better, ecological treatment tank 12 inner wall upper berth is equipped with gravel layer 13, be provided with silt layer 14 in the middle of gravel layer 13, sewage flows into silt layer 14 through gravel layer 13, sludge pump 15 discharges the silt after sedimentation tank 18 through mud inlet 17 from mud outlet 16 to silt layer 14, plant the plant in silt, the plant can absorb a large amount of nitrogen in the water body in the growth process, Phosphorus and some heavy metal elements and other nutrient elements, and reduces energy consumption.
Please refer to fig. 2, the top of the coarse filter tank 6 and the fine filter tank 2 are both provided with a cover plate.
This kind of rural domestic sewage treatment plant prevents through at coarse filter 6, the apron that the 2 tops in thin filter tank set up that debris from falling into the pond in, avoids secondary pollution to sewage.
Please refer to fig. 2, the thick grating 11 and the thin grating 10 are both provided with hooks.
This kind of rural domestic sewage treatment plant hooks through the couple that sets up and gets the plastic bag in the sewage, avoids flowing into next treatment tank and causes the jam, and the couple on the thin grid 10 can the more tiny plastic bag of separation.
Referring to fig. 1, a sandstone layer 13 is disposed on the inner wall of the ecological treatment tank 12, and a sludge layer 14 is disposed on the inner wall of the sandstone layer 13.
According to the rural domestic sewage treatment device, sewage flows through the sand layer 13 to be filtered in one step, some aquatic plants are planted in the sludge layer 14, a large amount of nitrogen, phosphorus, some heavy metal elements and other nutrient elements in a water body can be absorbed in the growth process, and energy consumption is reduced.
Please refer to fig. 1, the top of the water inlet 1 and the water outlet 20 are provided with control valves.
The rural domestic sewage treatment device is convenient for personnel to adjust the efficiency of inflow sewage and outflow water flow through the control valves arranged on the water inlet 1 and the water outlet 20, and the flow of sewage can be controlled.
Referring to fig. 3, a permeable layer 22 is disposed adjacent to the ecological treatment tank 12 and the sedimentation tank 18.
The rural domestic sewage treatment device can enable sewage treated by the ecological treatment tank 12 to flow into the sedimentation tank 18 through the arranged permeable layer 22, so that a large amount of sludge is prevented from entering the sedimentation tank 18.
The working principle is as follows: the utility model discloses a water inlet 1 flows in sewage to coarse filter 6 in, bold debris is separated to thick grid 11 in the coarse filter 6, the couple that sets up on thick grid 11 can stop debris such as plastic bag to get into the lower floor, flow in bottom anaerobism pond 3 after carrying out the second floor through thin grid 10 in the fine filter 2 and filter, the organic matter in the sewage is decomposed by anaerobic bacteria, metabolism, digestion, make the organic matter content in the sewage reduce in a large number, sewage after anaerobism pond 3 reaction is taken out to the oxygen deficiency pond 4 to first water pump 21, the environment of oxygen deficiency is built to the oxygen deficiency pond 4, adsorb sewage activated sludge, degrade the organic matter, nitrogen nitrite machine nitrate nitrogen among them generates nitrogen gas release under the effect of denitrifying bacteria, aeration machine 5 takes out the sewage after the treatment of oxygen deficiency pond 4 to the aeration tank 8 and carries out aeration treatment, second water pump 9 takes out the sewage after the treatment of aeration tank 8 to ecological treatment pond 12, the periphery of the ecological treatment tank 12 is provided with a sandstone layer 13, a sludge layer 14 is arranged in the sandstone layer 13, eutrophic nitrogen and phosphorus are purified by aquatic plants planted in sludge, sewage treated by the ecological treatment tank 12 flows into a sedimentation tank 18 through a permeable layer 22 arranged on the side wall, a sludge pump 15 extracts a small amount of sludge after the sewage is precipitated from a sludge inlet 17 into the sludge layer 14 of the ecological treatment tank 12 from a sludge outlet 16, the precipitated water flows into a disinfection tank 19 from a marginal port at the top of the tank, and the water is discharged from a water outlet 20 after the disinfection of the disinfection tank 19, namely the treated water.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.