CN214457464U

CN214457464U - Novel village sewage treatment all-in-one

Info

Publication number: CN214457464U
Application number: CN202022737937.0U
Authority: CN
Inventors: 陈向红; 成明将
Original assignee: Jiangsu Haizhilu Water Treatment Equipment Co ltd
Current assignee: Jiangsu Haizhilu Water Treatment Equipment Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-22
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a novel village sewage treatment all-in-one machine, which comprises a shell, wherein an anaerobic zone, an aerobic zone and a settling zone are sequentially arranged in the shell, a partition plate is arranged between the anaerobic zone and the aerobic zone, the aerobic zone and the settling zone are provided with V-shaped partition plates, a labyrinth light shielding plate is arranged in the aerobic zone, the bottom of the aerobic zone is provided with an aeration pipe, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic zone and is connected with an air outlet of a fan, the bottom of the settling zone is provided with a settling zone outlet pipe, the upper part of the outer side of the settling zone is provided with a water outlet pipe, the bottom of the aerobic zone is provided with an aerobic zone inlet pipe, the bottom of the anaerobic zone is respectively provided with an anaerobic zone inlet pipe and an anaerobic zone outlet pipe, the settling zone outlet pipe and the anaerobic zone outlet pipe are connected with the inlet of a circulating pump, the anaerobic zone inlet is connected with the outlet of a gas-water separation device, the outlet of the jet device is connected with the inflow pipe of the aerobic zone, the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

Description

Novel village sewage treatment all-in-one

Technical Field

The utility model belongs to the technical field of sewage treatment, specifically a novel village sewage treatment all-in-one.

Background

The existing village sewage treatment all-in-one machine usually adopts the traditional AO process, the front end is anaerobically denitrified, the middle part is aerobic nitrified, the rear part is discharged, COD ammonia nitrogen and the like are decomposed into gas by bacteria and discharged, phosphorus is repeatedly absorbed and released by the bacteria in the process of nitrification and denitrification, and the phosphorus content in the system can be effectively reduced only by discharging sludge at an absorption section. Since the discharged sludge needs to be separately treated, the running cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel village sewage treatment all-in-one is provided, this novel village sewage treatment all-in-one can move the automatic dephosphorization of in-process to greatly reduced running cost.

In order to solve the technical problem, the utility model relates to a novel village sewage treatment all-in-one machine, which comprises a shell, an anaerobic zone, an aerobic zone and a settling zone are sequentially arranged in the shell, a partition plate is arranged between the anaerobic zone and the aerobic zone, the side edge and the lower edge of the partition plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is left between the upper edge of the partition plate and the top surface of the inner wall of the shell, the aerobic zone and the settling zone are provided with V-shaped partition plates, the periphery of the V-shaped partition plates is arranged on the inner wall of the shell, a plurality of through holes are arranged on the middle lower part of the V-shaped partition plates, a labyrinth light shielding plate is arranged in the aerobic zone, the upper edge and the side edge of the labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is left between the lower edge of the labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic zone, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic zone and is connected with an air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between a partition plate and a labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water secretion pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water secretion pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe and an anaerobic zone outflow pipe are respectively arranged at the bottom of the anaerobic zone, the anaerobic zone inflow pipe and the anaerobic zone outflow pipe are respectively positioned at the front side and the rear side of the anaerobic zone biomembrane, the sedimentation zone outflow pipe and the anaerobic zone outflow pipe are connected with an inlet of a circulating pump, the anaerobic zone inflow pipe is connected with an outlet of a gas-water separation device, an inlet of a gas-water separator is connected with an outlet of a jet device, an outlet of the jet device is connected with the aerobic zone inflow pipe, the inlet of the ejector is connected with the outlet of the circulating pump, the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with the water inlet pump.

The shell is provided with an exhaust pipe, and the exhaust pipe is positioned at the top of the aerobic zone; a biochemical area manhole is arranged on the shell and is positioned between the labyrinth light shielding plate and the V-shaped partition plate; and a settling area manhole is arranged on the shell.

An equipment box is arranged on the shell, and the fan, the circulating pump and the water inlet pump are positioned in the equipment box.

The fan passes through converter control fan motor rotational speed, and the converter passes through central controller control, and central controller links to each other with remote module, be equipped with flow sensor between inlet tube and the inlet tube, flow sensor links to each other with central controller.

Valves are arranged on the anaerobic zone inflow pipe, the anaerobic zone outflow pipe, the aerobic zone inflow pipe and the sedimentation zone outflow pipe.

In the novel village sewage treatment all-in-one machine, because the sealing and labyrinth structure is adopted between the anaerobic area and the aerobic area, the anaerobic area is completely shielded from light, and therefore a good production environment of phosphine is created in the anaerobic area. Simultaneously, pumping the sludge in the settling zone and the sewage in the anaerobic zone into an ejector through a circulating pump, mixing gas and liquid when the sludge passes through the ejector, enabling the free phosphine to escape from a mixture of the sludge and the sewage and be discharged into the atmosphere, realizing the purpose of automatic phosphorus removal in the operation process, wherein the discharged phosphine gas is far lower than the safety standard, and the mixture of the sludge and the sewage which flows out of the ejector, and part of the mixture of the sludge and the sewage which basically have no free phosphine enter an aerobic zone through an inflow pipe of the aerobic zone to further carry out nitration reaction; the other part of the sludge and sewage mixture which basically has no free phosphine is separated out of gas by a gas-water separation device, then enters an anaerobic zone through an anaerobic zone inflow pipe, and finishes the denitrification process under the action of anaerobic bacteria together with the sewage entering from a water inlet pipe, meanwhile, part of phosphide generates free phosphine and non-free phosphine under the environment shielded from light and is distributed in the sewage, then the sewage is pressurized by a circulating pump through an anaerobic zone inflow pipe and enters a jet device, the free phosphine is instantly mixed with gas and liquid by the jet device in the jet device, so that the free phosphine escapes from the sewage and is discharged, the liquid part flows into an aerobic zone for further nitration reaction and is recirculated, the sludge in a settling zone is pressurized by the circulating pump and enters the jet device for circulation, and in the circulation process, the organic sludge is decomposed by fine bacteria in the anaerobic zone and the aerobic zone, thereby overcoming the defect that the sludge needs to be additionally treated in the prior art, and greatly reducing the operation cost. From the above, the novel village sewage treatment all-in-one machine can automatically remove phosphorus in the operation process, so that the operation cost is greatly reduced.

As a second implementation mode of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine, which comprises a shell, wherein an anaerobic zone, an aerobic zone and a sedimentation zone are sequentially arranged in the shell, a baffle plate is arranged between the anaerobic zone and the aerobic zone, the side edges and the lower edges of the baffle plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is left between the upper edge of the baffle plate and the top surface of the inner wall of the shell, the aerobic zone and the sedimentation zone are provided with V-shaped baffle plates, the periphery of the V-shaped baffle plates is arranged on the inner wall of the shell, a plurality of through holes are arranged on the middle lower part of the V-shaped baffle plates, a labyrinth light shielding plate is arranged in the aerobic zone, the upper edge and the side edges of the labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is left between the lower edge of the labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic zone, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic zone and is connected with the air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, an outlet of the anaerobic zone water outlet pipe is connected with an inlet of a water pump, an outlet of the water pump is connected with an inlet of a second ejector, and an outlet of the second ejector is connected with an inlet of the aerobic zone water inlet pipe; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

This embodiment, through water pump and second ejector, with the sewage pump in the anaerobic zone in the aerobic zone, at this in-process, when sewage passes through the water pump pressure boost and gets into the second ejector, free phosphine passes through the instantaneous gas-liquid mixture of second ejector in the second ejector, makes free phosphine escape from the sewage and discharges, realizes the purpose that phosphine escapes from sewage and discharges. Simultaneously, pumping the sludge water in the settling zone into the anaerobic zone and the aerobic zone through a circulating pump for carrying out circulating nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

As a third embodiment of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine, which comprises a shell, wherein an anaerobic zone, an aerobic zone and a sedimentation zone are sequentially arranged in the shell, a baffle plate is arranged between the anaerobic zone and the aerobic zone, the side edge and the lower edge of the baffle plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is left between the upper edge of the baffle plate and the top surface of the inner wall of the shell, the aerobic zone and the sedimentation zone are provided with V-shaped baffle plates, the periphery of the V-shaped baffle plates are arranged on the inner wall of the shell, a plurality of through holes are arranged on the middle lower part of the V-shaped baffle plates, a labyrinth light shielding plate is arranged in the aerobic zone, the upper edge and the side edge of the labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is left between the lower edge of the labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic zone, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic zone and is connected with the air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, an outlet of the anaerobic zone water outlet pipe is connected with an inlet of a water pump, an outlet of the water pump is connected with an inlet of a gas-liquid mixing device, an outlet of the gas-liquid mixing device is connected with the aerobic zone water inlet pipe, and a gas inlet pipe of the gas-liquid mixing device is connected with an outlet of a fan; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

This embodiment, through water pump and gas-liquid mixing device, with the sewage pump in the anaerobic zone go into the aerobic zone, at this in-process, when sewage entered into gas-liquid mixing device through the water pump pressure boost, the phosphine of mixing in sewage through the air current was escaped and is discharged, realizes the purpose that phosphine escaped and discharges from sewage. Simultaneously, pumping the sludge water in the settling zone into the anaerobic zone and the aerobic zone through a circulating pump for carrying out circulating nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

As a fourth embodiment of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine, which comprises a shell, wherein an anaerobic zone, an aerobic zone and a sedimentation zone are sequentially arranged in the shell, a baffle plate is arranged between the anaerobic zone and the aerobic zone, the side edge and the lower edge of the baffle plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is left between the upper edge of the baffle plate and the top surface of the inner wall of the shell, the aerobic zone and the sedimentation zone are provided with V-shaped baffle plates, the periphery of the V-shaped baffle plates are arranged on the inner wall of the shell, a plurality of through holes are arranged on the middle lower part of the V-shaped baffle plates, a labyrinth light shielding plate is arranged in the aerobic zone, the upper edge and the side edge of the labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is left between the lower edge of the labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic zone, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic zone and is connected with the air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, the outlet of the anaerobic zone water outlet pipe is connected with the inlet of a water pump, the outlet of the water pump is connected with the inlet of the aerobic zone water inlet pipe, and a spraying device is arranged on the outlet of the aerobic zone water inlet pipe; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

In the embodiment, by the water pump and the spraying device on the outlet of the water outlet pipe of the aerobic zone, when the sewage in the anaerobic zone is sprayed out from the spraying device on the outlet of the water outlet pipe of the aerobic zone, phosphine in the sewage is discharged in an escaping manner, and the aim of discharging the phosphine in the escaping manner from the sewage is fulfilled. Simultaneously, pumping the sludge water in the settling zone into the anaerobic zone and the aerobic zone through a circulating pump for carrying out circulating nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

Drawings

Fig. 1 is a schematic structural view of the village sewage treatment integrated machine of the utility model;

fig. 2 is a schematic structural view of a second embodiment of the village sewage treatment all-in-one machine of the utility model;

fig. 3 is a schematic structural view of a third embodiment of the village sewage treatment all-in-one machine of the utility model;

fig. 4 is a schematic structural view of a second embodiment of the village sewage treatment all-in-one machine of the utility model;

in the figure: 1. the anaerobic system comprises a water inlet pipe, 2, an anaerobic zone, 3, an anaerobic zone biomembrane, 4, an aerobic zone, 5, an exhaust pipe, 6, an aerobic zone biomembrane, 7, an equipment box, 8, a labyrinth light shielding plate, 9, a biochemical zone manhole, 10, a settling zone manhole, 12, a water discharge pipe, 13, a water outlet pipe, 14, a shell, 15, a V-shaped partition plate, 16, a settling zone outlet pipe, 17, an anaerobic zone inlet pipe, 18, an aeration pipe, 19, a circulating pump, 20, a jet aerator, 21, an aeration head, 22, a gas-water separation device, 23, an anaerobic zone outlet pipe, 24, an aerobic zone inlet pipe, 25, a partition plate, 26, an anaerobic zone outlet pipe, 27, a water pump, 28, a second jet aerator, 29, an aerobic zone water inlet pipe, 30, a gas-liquid mixing device, 31, an air inlet pipe and 32 a spraying device.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical scheme of the utility model is further explained in detail with the attached drawings as follows:

as shown in the figure, the utility model discloses a novel village sewage treatment all-in-one machine, contain and be equipped with anaerobic zone 2, aerobic zone 4 and settling zone 11 in proper order in casing 14, the casing 14. A partition plate 25 is arranged between the anaerobic zone 2 and the aerobic zone 4, the side edge and the lower edge of the partition plate 25 are respectively arranged on the side surface and the bottom surface of the inner wall of the shell 14, and a space is reserved between the upper edge of the partition plate 25 and the top surface of the inner wall of the shell 14. The aerobic zone 4 and the sedimentation zone 11 are provided with V-shaped clapboards 15, the peripheries of the V-shaped clapboards 15 are arranged on the inner wall of the shell 14, and the middle lower part of the V-shaped clapboards 15 is provided with a plurality of through holes. The aerobic zone 4 is internally provided with a labyrinth light-shielding plate 8, the upper edge and the side edge of the labyrinth light-shielding plate 8 are respectively arranged on the side surface and the top surface of the inner wall of the shell 14, and a space is reserved between the lower edge of the labyrinth light-shielding plate 8 and the bottom surface of the inner wall of the shell 14. The bottom of the aerobic zone 4 is provided with an aeration pipe 18, the aeration pipe 18 is provided with a plurality of aeration heads 21, and one end of the aeration pipe 18 penetrates through the bottom of the aerobic zone 4 to be connected with an air outlet of a fan. An anaerobic zone biomembrane 3 is arranged in the anaerobic zone 2. An aerobic zone biological film 6 is arranged in the aerobic zone 4, and the aerobic zone biological film 6 is positioned between the partition plate 25 and the labyrinth light shielding plate 8. The bottom of the settling zone 11 is provided with a settling zone outflow pipe 16, the interior of the settling zone 11 is provided with a water draining pipe 12, the upper part of the outer side of the settling zone 11 is provided with a water outlet pipe 13, and the water draining pipe 12 is connected with the water outlet pipe 13. The bottom of the aerobic zone 4 is provided with an aerobic zone inflow pipe 24, and the aerobic zone inflow pipe 24 is positioned between the partition plate 25 and the aerobic zone biofilm 6. The bottom of the anaerobic zone 2 is provided with an anaerobic zone inflow pipe 17, and the anaerobic zone inflow pipe 17 is positioned at the front side of the anaerobic zone biofilm 3. The settling zone effluent pipe 16 and the anaerobic zone effluent pipe 23 are connected to the inlet of the circulation pump 19. The anaerobic zone inflow pipe 17 is connected with the outlet of a gas-water separator 22, and the inlet of the gas-water separator 22 is connected with the outlet of the ejector 20. The outlet of the ejector 20 is connected to the aerobic zone inflow pipe 24, and the inlet of the ejector 20 is connected to the outlet of the circulation pump 19. The lateral upper part of the anaerobic zone 2 is provided with a water inlet pipe 1, and the water inlet pipe 1 is connected with a water inlet pump.

In order to facilitate the exhaust, the housing 14 is provided with an exhaust pipe 5, and the exhaust pipe 5 is positioned at the top of the aerobic zone 4. For the convenience of maintenance and operation, a biochemical region manhole 9 is arranged on the shell 14, and the biochemical region manhole 9 is positioned between the labyrinth light shielding plate 8 and the V-shaped partition plate 15. For the convenience of maintenance and operation, a settling zone manhole 10 is provided on the shell 14 of the settling zone 11.

In order to facilitate centralized placement, an equipment box 7 is arranged on the shell 14, and the fan, the circulating pump 19 and the water inlet pump are positioned in the equipment box 7.

For the convenience of circulation control and remote monitoring, the fan passes through the frequency converter control fan motor speed, and the frequency converter passes through central controller control, and central controller links to each other with remote module, be equipped with flow sensor between inlet tube 1 and the inlet tube 1, flow sensor links to each other with central controller.

For the convenience of maintenance, valves are arranged on the anaerobic zone inflow pipe 17, the anaerobic zone outflow pipe 23, the aerobic zone inflow pipe 24 and the settling zone outflow pipe 16.

When the novel village sewage treatment all-in-one machine works, sewage is discharged into an adjusting tank for later use after being pretreated by oil removal, impurity removal and sand deposition, firstly is pumped into an anaerobic zone 2 through a flow sensor and a water inlet pipe 1 by a water inlet pump, is subjected to anaerobic bacteria denitrification treatment and then is pumped into an aerobic zone 4 through an anaerobic zone outflow pipe 23 by a circulating pump 19, is subjected to free-state phosphine removal through an ejector 20 and then is aerated into the front section of the aerobic zone 4 to realize primary nitration reaction under the action of aerobic bacteria, and then is subjected to further nitration reaction after entering the rear section of the aerobic zone 4, and then enters a settling zone 11 for settling through holes in the middle and lower parts of an aerobic zone 4 and a settling zone 11V-shaped partition plate 15, supernatant automatically overflows through a water pipe 12 and is discharged through a water outlet pipe 13, sludge at the bottom of the settling zone 11 is sucked away by the circulating pump 19, and after the free-state phosphine is released when the sewage flowing out through the ejector 20 together with the anaerobic zone outflow pipe 23, the sewage respectively enters the front section of the anaerobic zone inflow pipe 17 and the aerobic zone inflow pipe 24 and the next front section of the anaerobic zone 2 and the front section of the aerobic zone 4 And (4) a ring. When the novel village sewage treatment all-in-one machine works, information such as sewage water storage capacity, total oxygen consumption of sewage, sludge concentration and water outlet quality is acquired, and after the information is processed by the central controller, the rotating speed of the fan motor and the water inlet amount of the water inlet pump are automatically adjusted, so that the system is always in the optimal running state.

As a second embodiment of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine contains casing 14, is equipped with anaerobic zone 2, good oxygen district 4 and settling zone 11 in proper order in casing 14. A partition plate 25 is arranged between the anaerobic zone 2 and the aerobic zone 4, the side edge and the lower edge of the partition plate 25 are respectively arranged on the side surface and the bottom surface of the inner wall of the shell 14, and a space is reserved between the upper edge of the partition plate 25 and the top surface of the inner wall of the shell 14. The aerobic zone 4 and the sedimentation zone 11 are provided with V-shaped partitions 15, the periphery of the V-shaped partitions 15 being arranged on the inner wall of the housing 14. The middle lower part of the V-shaped clapboard is provided with a plurality of through holes. The aerobic zone 4 is internally provided with a labyrinth light-shielding plate 8, the upper edge and the side edge of the labyrinth light-shielding plate 8 are respectively arranged on the side surface and the top surface of the inner wall of the shell 14, and a space is reserved between the lower edge of the labyrinth light-shielding plate 8 and the bottom surface of the inner wall of the shell 14. The bottom of the aerobic zone 4 is provided with an aeration pipe 18, the aeration pipe 18 is provided with a plurality of aeration heads 21, and one end of the aeration pipe 18 penetrates through the bottom of the aerobic zone 4 to be connected with an air outlet of a fan. An anaerobic zone biomembrane 3 is arranged in the anaerobic zone 2, an aerobic zone biomembrane 6 is arranged in the aerobic zone 4, and the aerobic zone biomembrane 6 is positioned between the partition plate 25 and the labyrinth light shielding plate 8. The bottom of the settling zone 11 is provided with a settling zone outflow pipe 16, the interior of the settling zone 11 is provided with a water draining pipe 12, the upper part of the outer side of the settling zone 11 is provided with a water outlet pipe 13, and the water draining pipe 12 is connected with the water outlet pipe 13. The bottom of the aerobic zone 4 is provided with an aerobic zone inflow pipe 24, and the aerobic zone inflow pipe 24 is positioned between the partition plate 25 and the aerobic zone biofilm 6. The bottom of the anaerobic zone 2 is provided with an anaerobic zone inflow pipe 17, the anaerobic zone inflow pipe 17 is positioned at the front side of the anaerobic zone biomembrane 3, the sedimentation zone outflow pipe 16 is connected with the inlet of a circulating pump 19, and the outlet of the circulating pump 19 is connected with the anaerobic zone inflow pipe 17 and an aerobic zone inflow pipe 24. For convenience of operation, valves may be provided on the settling zone effluent line 16, the anaerobic zone influent line 17 and the aerobic zone influent line 24. An anaerobic zone water outlet pipe 26 is arranged at the upper part of the anaerobic zone 2, an aerobic zone water inlet pipe 29 is arranged at the upper part of the aerobic zone 4, the outlet of the anaerobic zone water outlet pipe 26 is connected with the inlet of a water pump 27, the outlet of the water pump 27 is connected with the inlet of a second jet device 29, and the outlet of the second jet device 29 is connected with the inlet of the aerobic zone water inlet pipe 29; the lateral upper part of the anaerobic zone 2 is provided with a water inlet pipe 1, and the water inlet pipe 1 is connected with a water inlet pump.

In the present embodiment, the sewage in the anaerobic zone 2 is pumped into the aerobic zone 4 through the water pump 27 and the second ejector 29, and in the process, when the sewage enters the second ejector 28 through pressurization of the water pump 27, the free phosphine in the second ejector 28 is instantly gas-liquid mixed through the second ejector 28, so that the free phosphine is discharged from the sewage in an escaping manner, and the purpose of discharging the phosphine from the sewage in an escaping manner is realized. Meanwhile, the sludge water in the settling zone is pumped into the anaerobic zone 2 and the aerobic zone 4 by a circulating pump 19 for circular nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

As a third embodiment of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine contains casing 14, is equipped with anaerobic zone 2, good oxygen district 4 and settling zone 11 in proper order in casing 14. A partition plate 25 is arranged between the anaerobic zone 2 and the aerobic zone 4, the side edge and the lower edge of the partition plate 25 are respectively arranged on the side surface and the bottom surface of the inner wall of the shell 14, and a space is reserved between the upper edge of the partition plate 25 and the top surface of the inner wall of the shell 14. The aerobic zone 4 and the sedimentation zone 11 are provided with V-shaped clapboards 15, the peripheries of the V-shaped clapboards 15 are arranged on the inner wall of the shell 14, and the middle lower part of the V-shaped clapboards 15 is provided with a plurality of through holes. The aerobic zone 4 is internally provided with a labyrinth light-shielding plate 8, the upper edge and the side edge of the labyrinth light-shielding plate 8 are respectively arranged on the side surface and the top surface of the inner wall of the shell 14, and a space is reserved between the lower edge of the labyrinth light-shielding plate 8 and the bottom surface of the inner wall of the shell 14. The bottom of the aerobic zone 4 is provided with an aeration pipe 18, the aeration pipe 18 is provided with a plurality of aeration heads 21, and one end of the aeration pipe 18 penetrates through the bottom of the aerobic zone 4 to be connected with an air outlet of a fan. An anaerobic zone biomembrane 3 is arranged in the anaerobic zone 2, an aerobic zone biomembrane 6 is arranged in the aerobic zone 4, and the aerobic zone biomembrane 6 is positioned between the partition plate 25 and the labyrinth light shielding plate 8. The bottom of the settling zone 11 is provided with a settling zone outflow pipe 16, the interior of the settling zone 11 is provided with a water draining pipe 12, the upper part of the outer side of the settling zone 11 is provided with a water outlet pipe 13, and the water draining pipe 12 is connected with the water outlet pipe 13. The bottom of the aerobic zone 4 is provided with an aerobic zone inflow pipe 24, the aerobic zone inflow pipe 34 is positioned between the partition plate 25 and the aerobic zone biofilm 3, the bottom of the anaerobic zone 4 is provided with an anaerobic zone inflow pipe 17, and the anaerobic zone inflow pipe 17 is positioned on the front side of the anaerobic zone biofilm 3. The settling zone effluent line 16 is connected to the inlet of a circulation pump 19 and the outlet of the circulation pump 19 is connected to an anaerobic zone influent line 17 and an aerobic zone influent line 24. For convenience of operation, valves may be provided on the settling zone effluent line 16, the anaerobic zone influent line 17 and the aerobic zone influent line 24. An anaerobic zone water outlet pipe 26 is arranged at the upper part of the anaerobic zone 2, an aerobic zone water inlet pipe 29 is arranged at the upper part of the aerobic zone 4, the outlet of the anaerobic zone water outlet pipe 26 is connected with the inlet of a water pump 27, the outlet of the water pump 27 is connected with the inlet of a gas-liquid mixing device 30, the outlet of the gas-liquid mixing device 30 is connected with the aerobic zone water inlet pipe 29, and a gas inlet pipe 31 of the gas-liquid mixing device 30 is connected with the outlet of a fan; the lateral upper part of the anaerobic zone 2 is provided with a water inlet pipe 1, and the water inlet pipe 1 is connected with a water inlet pump.

In the embodiment, the sewage in the anaerobic zone 2 is pumped into the aerobic zone 4 through the water pump 27 and the gas-liquid mixing device 30, and in the process, when the sewage enters the gas-liquid mixing device 30 through pressurization of the water pump 27, phosphine mixed in the sewage through air flow is discharged in an escaping manner, so that the aim of discharging the phosphine in the sewage in an escaping manner is fulfilled. Meanwhile, the sludge water in the settling zone 11 is pumped into the anaerobic zone 2 and the aerobic zone 4 by a circulating pump 19 for circular nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

As a fourth embodiment of the utility model, the utility model relates to a novel village sewage treatment all-in-one machine contains casing 14, is equipped with anaerobic zone 2, good oxygen district 4 and settling zone 11 in proper order in casing 14. A partition plate 25 is arranged between the anaerobic zone 2 and the aerobic zone 4, the side edge and the lower edge of the partition plate 25 are respectively arranged on the side surface and the bottom surface of the inner wall of the shell 14, and a space is reserved between the upper edge of the partition plate 25 and the top surface of the inner wall of the shell 14. The aerobic zone 4 and the sedimentation zone 11 are provided with V-shaped clapboards 15, the peripheries of the V-shaped clapboards 15 are arranged on the inner wall of the shell 14, and the middle lower part of the V-shaped clapboards 15 is provided with a plurality of through holes. The aerobic zone 4 is internally provided with a labyrinth light-shielding plate 8, the upper edge and the side edge of the labyrinth light-shielding plate 8 are respectively arranged on the side surface and the top surface of the inner wall of the shell 14, and a space is reserved between the lower edge of the labyrinth light-shielding plate 8 and the bottom surface of the inner wall of the shell 14. The bottom of the aerobic zone 4 is provided with an aeration pipe 18, the aeration pipe 18 is provided with a plurality of aeration heads 21, and one end of the aeration pipe 18 penetrates through the bottom of the aerobic zone 4 to be connected with an air outlet of a fan. An anaerobic zone biomembrane 3 is arranged in the anaerobic zone 2, an aerobic zone biomembrane 6 is arranged in the aerobic zone 4, and the aerobic zone biomembrane 6 is positioned between the partition plate 25 and the labyrinth light shielding plate 8. The bottom of the settling zone 11 is provided with a settling zone outflow pipe 16, the interior of the settling zone 11 is provided with a water draining pipe 12, the upper part of the outer side of the settling zone 11 is provided with a water outlet pipe 13, and the water draining pipe 12 is connected with the water outlet pipe 13. The bottom of the aerobic zone 4 is provided with an aerobic zone inflow pipe 24, the aerobic zone inflow pipe 34 is positioned between the partition plate 25 and the aerobic zone biofilm 3, the bottom of the anaerobic zone 4 is provided with an anaerobic zone inflow pipe 17, and the anaerobic zone inflow pipe 17 is positioned on the front side of the anaerobic zone biofilm 3. The settling zone effluent line 16 is connected to the inlet of a circulation pump 19 and the outlet of the circulation pump 19 is connected to an anaerobic zone influent line 17 and an aerobic zone influent line 24. For convenience of operation, valves may be provided on the settling zone effluent line 16, the anaerobic zone influent line 17 and the aerobic zone influent line 24. An anaerobic zone water outlet pipe 26 is arranged at the upper part of the anaerobic zone 2, an aerobic zone water inlet pipe 29 is arranged at the upper part of the aerobic zone 4, the outlet of the anaerobic zone water outlet pipe 26 is connected with the inlet of a water pump 27, the outlet of the water pump 27 is connected with the inlet of the aerobic zone water inlet pipe 29, and a spraying device 32 is arranged at the outlet of the aerobic zone water inlet pipe 29; the lateral upper part of the anaerobic zone 2 is provided with a water inlet pipe 1, and the water inlet pipe 1 is connected with a water inlet pump.

In the present embodiment, through the water pump 27 and the spraying device 32 at the outlet 29 of the water outlet pipe of the aerobic zone, when the sewage in the anaerobic zone 2 is sprayed out from the spraying device 32 at the outlet 29 of the water outlet pipe of the aerobic zone, phosphine in the sewage is discharged in an escaping manner, so that the aim of discharging phosphine in an escaping manner from the sewage is fulfilled. Meanwhile, the sludge water in the settling zone 11 is pumped into the anaerobic zone 2 and the aerobic zone 4 by a circulating pump 19 for circular nitration reaction. Therefore, the embodiment also achieves the purposes of automatically removing phosphorus in the operation process and reducing the operation cost and the investment cost.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A novel village sewage treatment all-in-one machine comprises a shell and is characterized in that an anaerobic area, an aerobic area and a sedimentation area are sequentially arranged in the shell, a partition plate is arranged between the anaerobic area and the aerobic area, the side edge and the lower edge of the partition plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is reserved between the upper edge of the partition plate and the top surface of the inner wall of the shell, the aerobic area and the sedimentation area are provided with V-shaped partition plates, the periphery of each V-shaped partition plate is arranged on the inner wall of the shell, a plurality of through holes are formed in the middle lower part of each V-shaped partition plate, a labyrinth light shielding plate is arranged in the aerobic area, the upper edge and the side edge of each labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is reserved between the lower edge of each labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic area, a plurality of aeration heads are arranged on the aeration pipe, one end of each aeration pipe penetrates through the bottom of the aerobic area to be connected with an air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between a partition plate and a labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water secretion pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water secretion pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe and an anaerobic zone outflow pipe are respectively arranged at the bottom of the anaerobic zone, the anaerobic zone inflow pipe and the anaerobic zone outflow pipe are respectively positioned at the front side and the rear side of the anaerobic zone biomembrane, the sedimentation zone outflow pipe and the anaerobic zone outflow pipe are connected with an inlet of a circulating pump, the anaerobic zone inflow pipe is connected with an outlet of a gas-water separation device, an inlet of a gas-water separator is connected with an outlet of a jet device, an outlet of the jet device is connected with the aerobic zone inflow pipe, the inlet of the ejector is connected with the outlet of the circulating pump, the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with the water inlet pump.

2. The novel village sewage treatment all-in-one machine of claim 1, wherein an exhaust pipe is arranged on the shell, and the exhaust pipe is positioned at the top of the aerobic zone; a biochemical area manhole is arranged on the shell and is positioned between the labyrinth light shielding plate and the V-shaped partition plate; and a settling area manhole is arranged on the shell.

3. The novel village sewage treatment all-in-one machine of claim 1, wherein, an equipment box is arranged on the shell, and the fan, the circulating pump and the water inlet pump are positioned in the equipment box.

4. The novel village sewage treatment all-in-one machine of claim 1, wherein fan passes through the inverter control fan motor speed, and the inverter is controlled through central controller, and central controller links to each other with remote module, is equipped with flow sensor between inlet tube and the inlet tube, and flow sensor links to each other with central controller.

5. The novel village sewage treatment all-in-one machine of claim 1, wherein, an equipment box is arranged on the shell, and the fan, the circulating pump and the water inlet pump are positioned in the equipment box.

6. The integrated village sewage treatment machine according to claim 1, wherein valves are arranged on the anaerobic zone inflow pipe, the anaerobic zone outflow pipe, the aerobic zone inflow pipe and the settling zone outflow pipe.

7. A novel village sewage treatment all-in-one machine comprises a shell and is characterized in that an anaerobic area, an aerobic area and a sedimentation area are sequentially arranged in the shell, a partition plate is arranged between the anaerobic area and the aerobic area, the side edge and the lower edge of the partition plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is reserved between the upper edge of the partition plate and the top surface of the inner wall of the shell, a V-shaped partition plate is arranged in the aerobic area and the sedimentation area, the periphery of the V-shaped partition plate is arranged on the inner wall of the shell, a plurality of through holes are arranged on the middle lower portion of the V-shaped partition plate, a labyrinth light shielding plate is arranged in the aerobic area, the upper edge and the side edge of the labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is reserved between the lower edge of the labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic area, a plurality of aeration heads are arranged on the aeration pipe, one end of the aeration pipe passes through the bottom of the aerobic area and is connected with an air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, an outlet of the anaerobic zone water outlet pipe is connected with an inlet of a water pump, an outlet of the water pump is connected with an inlet of a second ejector, and an outlet of the second ejector is connected with an inlet of the aerobic zone water inlet pipe; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

8. A novel village sewage treatment all-in-one machine comprises a shell and is characterized in that an anaerobic area, an aerobic area and a sedimentation area are sequentially arranged in the shell, a partition plate is arranged between the anaerobic area and the aerobic area, the side edge and the lower edge of the partition plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is reserved between the upper edge of the partition plate and the top surface of the inner wall of the shell, the aerobic area and the sedimentation area are provided with V-shaped partition plates, the periphery of each V-shaped partition plate is arranged on the inner wall of the shell, a plurality of through holes are formed in the middle lower part of each V-shaped partition plate, a labyrinth light shielding plate is arranged in the aerobic area, the upper edge and the side edge of each labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is reserved between the lower edge of each labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic area, a plurality of aeration heads are arranged on the aeration pipe, one end of each aeration pipe penetrates through the bottom of the aerobic area to be connected with an air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, an outlet of the anaerobic zone water outlet pipe is connected with an inlet of a water pump, an outlet of the water pump is connected with an inlet of a gas-liquid mixing device, an outlet of the gas-liquid mixing device is connected with the aerobic zone water inlet pipe, and a gas inlet pipe of the gas-liquid mixing device is connected with an outlet of a fan; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.

9. A novel village sewage treatment all-in-one machine comprises a shell and is characterized in that an anaerobic area, an aerobic area and a sedimentation area are sequentially arranged in the shell, a partition plate is arranged between the anaerobic area and the aerobic area, the side edge and the lower edge of the partition plate are respectively arranged on the side surface and the bottom surface of the inner wall of the shell, a space is reserved between the upper edge of the partition plate and the top surface of the inner wall of the shell, the aerobic area and the sedimentation area are provided with V-shaped partition plates, the periphery of each V-shaped partition plate is arranged on the inner wall of the shell, a plurality of through holes are formed in the middle lower part of each V-shaped partition plate, a labyrinth light shielding plate is arranged in the aerobic area, the upper edge and the side edge of each labyrinth light shielding plate are respectively arranged on the side surface and the top surface of the inner wall of the shell, a space is reserved between the lower edge of each labyrinth light shielding plate and the bottom surface of the inner wall of the shell, an aeration pipe is arranged at the bottom of the aerobic area, a plurality of aeration heads are arranged on the aeration pipe, one end of each aeration pipe penetrates through the bottom of the aerobic area to be connected with an air outlet of a fan, an anaerobic zone biomembrane is arranged in the anaerobic zone, an aerobic zone biomembrane is arranged in the aerobic zone, the aerobic zone biomembrane is positioned between the partition plate and the labyrinth light-shielding plate, a sedimentation zone outflow pipe is arranged at the bottom of the sedimentation zone, a water discharge pipe is arranged in the sedimentation zone, a water outlet pipe is arranged at the upper part of the outer side of the sedimentation zone, the water discharge pipe is connected with the water outlet pipe, an aerobic zone inflow pipe is arranged at the bottom of the aerobic zone, the aerobic zone inflow pipe is positioned between the partition plate and the aerobic zone biomembrane, an anaerobic zone inflow pipe is arranged at the bottom of the anaerobic zone, and the anaerobic zone inflow pipe is positioned at the front side of the anaerobic zone biomembrane; the outflow pipe of the settling zone is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the inflow pipe of the anaerobic zone and the inflow pipe of the aerobic zone; an anaerobic zone water outlet pipe is arranged at the upper part of the anaerobic zone, an aerobic zone water inlet pipe is arranged at the upper part of the aerobic zone, the outlet of the anaerobic zone water outlet pipe is connected with the inlet of a water pump, the outlet of the water pump is connected with the inlet of the aerobic zone water inlet pipe, and a spraying device is arranged on the outlet of the aerobic zone water inlet pipe; the lateral upper part of the anaerobic zone is provided with a water inlet pipe, and the water inlet pipe is connected with a water inlet pump.