CN213387971U

CN213387971U - Multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater

Info

Publication number: CN213387971U
Application number: CN202021648297.XU
Authority: CN
Inventors: 黄明智; 李尚真; 易晓辉; 戴聪海
Original assignee: Huashi Fujian Environmental Technology Co Ltd
Current assignee: Huashi Fujian Environmental Technology Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-08
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a beasts and birds waste water treatment technical field specifically is a handle many check rooms of beasts and birds waste water anaerobism-aerobic reactor, including the reactor, the inside of reactor is equipped with division board and overflow pipe, and division board and overflow pipe divide into the triplex with the reactor, top between division board and the reactor is equipped with the gas-liquid separation room, and the bottom between division board and the reactor is equipped with the water-locator, the input of water-locator is connected with the inlet tube. The utility model discloses go out water further purification after the anaerobic reaction through the membrane module in the membrane reacting chamber that sets up to carry out effectual holding back to the mud of aquatic, the gas-liquid separation room top is connected through sweeping of gas breather pipe and membrane module, has pressed marsh gas to sweep the membrane module, has replaced to sweep the fan and has swept, has reduced the running cost of membrane module, has set up good oxygen reacting chamber after, can carry out effectual getting rid of to the organic matter in the beasts and birds waste water.

Description

Multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater

Technical Field

The utility model relates to a livestock wastewater treatment technical field specifically is a handle many check rooms of livestock wastewater anaerobism-aerobic reactor.

Background

China has the largest livestock and poultry breeding industry worldwide, livestock and poultry manure and liquid dung are generated by about 38 hundred million tons every year, live pigs, cows and poultry are three main livestock species, the produced liquid dung accounts for 73 percent of the total amount of the livestock and poultry liquid dung and is a main treatment object, breeding wastewater has the typical characteristic of four high, and organic matters, ammonia nitrogen, phosphorus and suspended matters in the breeding wastewater are high. And the content of SS is high, the solid particles are small, the solid-liquid separation is difficult, the water quality and the water quantity change is large, and pathogenic bacteria, heavy metals, antibiotics and the like are contained.

The cultivation wastewater is used as farmyard manure and directly applied without treatment may exceed the self-cleaning capability of soil, thus causing soil pollution. Untreated waste water directly irrigates the farmland and can lead to soil water permeability to descend, influences crop growth and even leads to crop death, needs to use anaerobic reactor to handle usually, and traditional anaerobic reactor defect lies in: the specific gravity of the sludge in the suspended sludge layer is close to that of water, the sludge is not easy to settle, the sludge is easy to run off along with effluent, the effluent quality is influenced, and the sludge concentration and the sludge age are reduced; the traditional technology is characterized in that bubbles rise to drive water flow to stir, the stirring effect is poor, and the anaerobic decomposition effect is poor. Therefore, the technical personnel in the field provide a multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater, so as to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a handle many check rooms of beasts and birds waste water anaerobism-aerobic reactor to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a handle beasts and birds waste water many check rooms anaerobism-aerobic reactor, includes the reactor, the inside of reactor is equipped with division board and overflow pipe, and division board and overflow pipe divide into the triplex with the reactor, top between division board and the reactor is equipped with the gas-liquid separation room, and the bottom between division board and the reactor is equipped with the water-locator, the input of water-locator is connected with the inlet tube, the gomphosis has the membrane module between the division board, put in between division board and the overflow pipe has the biofilm carrier, and the bottom between division board and the overflow pipe is equipped with the aerator, be equipped with the baffling board between overflow pipe and the reactor, and the below of baffling board is equipped with the sludge bucket.

As a further aspect of the present invention: one side of the upper end of the gas-liquid separation chamber is connected with a gas vent pipe, the tail end of the gas vent pipe is connected to the membrane module, and the top of the reactor and two sides of the gas-liquid separation chamber are provided with an outer discharge pipe.

As a further aspect of the present invention: the reactor is characterized in that a vent hole is formed in the gas-liquid separation chamber and below the top of the reactor, the tail end of the gas-liquid separation chamber is connected with a three-phase separator, the three-phase separator is of a horn-mouth structure, and a sludge layer is arranged on the inner side of the reactor and below the three-phase separator.

As a further aspect of the present invention: one side of the reactor, which is close to the gas-liquid separation chamber, is connected with an outer return pipe, the top end of the outer return pipe is positioned above the three-phase separator, the tail end of the outer return pipe is connected with a water inlet pipe, and a valve is arranged on the outer return pipe.

As a further aspect of the present invention: a water pump is installed on one side, close to a sludge hopper, of the reactor, the input end of the water pump is connected with a sludge lifting pipe, and a sludge return pipe is sleeved at the input end of the water pump.

As a further aspect of the present invention: the sludge lifting pipe penetrates through the outer wall of the reactor and extends to the bottom end of the interior of the sludge hopper, and the sludge return pipe penetrates through the outer wall of the reactor and extends to the inner side of the overflow pipe to be positioned above the aerator.

As a further aspect of the present invention: the upper end of the outer wall of the reactor is provided with a water outlet which is positioned above the baffle plate, and the water outlet is covered with a filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: breed the production volume of waste water big, it is also great nevertheless to satisfy the technical degree of difficulty of discharging and irrigation requirement, the processing of beasts and birds waste water is mostly anaerobic reaction, the marsh gas that anaerobic fermentation produced can supply raiser to utilize, the beasts and birds waste water after handling discharges or still field utilization after up to standard, but single processing technology hardly reaches national wastewater discharge standard, need unite the requirement in order to reach water quality of water with multiple technique, the utility model discloses improve traditional anaerobic reaction chamber, compare with traditional anaerobic reactor, increased outer backward flow, reduced the loss of mud by a wide margin, also can make stirring effect better through following several aspects: when organic wastewater is fed through the water inlet, the water distributor uniformly distributes water flow to stir sludge at the bottom of the reaction chamber, when solid-liquid separation is carried out, backflow sludge can stir an anaerobic reaction area, methane pressure in the gas collection chamber is increased and then enters the gas-liquid separation chamber through the vent hole, when the pressure of the gas-liquid separation chamber is increased, liquid in the gas-liquid separation chamber is pressed back to the reaction chamber at the bottom and can also stir the sludge in the reaction chamber, effluent after anaerobic reaction is further purified through the membrane component in the membrane reaction chamber, the sludge in the water is effectively intercepted, the top of the gas-liquid separation chamber is connected with the sweeping end of the membrane component through the gas vent pipe, the pressurized methane sweeps the membrane component, a sweeping fan is replaced, the operation cost of the membrane component is reduced, and compared with a single livestock wastewater anaerobic reactor after the aerobic reaction chamber is arranged, organic matters in the livestock wastewater can be effectively removed, the loss of microbial biomass can be reduced by the return sludge in the settling chamber, and the treated livestock wastewater is discharged or returned to the field for utilization after reaching the standard.

Drawings

FIG. 1 is a schematic structural diagram of a multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater;

FIG. 2 is a schematic structural view of the interior of a multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater;

FIG. 3 is an enlarged schematic structural diagram of a position A in a multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater.

In the figure: 1. a gas vent pipe; 2. a gas-liquid separation chamber; 3. an outer discharge pipe; 4. a reactor; 5. an outer return pipe; 6. a valve; 7. a water inlet pipe; 8. a sludge lifting pipe; 9. a water pump; 10. a sludge return pipe; 11. a water outlet; 12. a three-phase separator; 13. a sludge layer; 14. a water distributor; 15. an aerator; 16. a sludge hopper; 17. a vent hole; 18. an overflow pipe; 19. A separator plate; 20. a baffle plate; 21. a membrane module; 22. biological stuffing.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: a multi-cell anaerobic-aerobic reactor for treating livestock wastewater comprises a reactor 4, wherein a partition plate 19 and an overflow pipe 18 are arranged inside the reactor 4, the reactor 4 is divided into three parts by the partition plate 19 and the overflow pipe 18, a gas-liquid separation chamber 2 is arranged at the top between the partition plate 19 and the reactor 4, a water distributor 14 is arranged at the bottom between the partition plate 19 and the reactor 4, the input end of the water distributor 14 is connected with a water inlet pipe 7, a membrane component 21 is embedded between the partition plates 19, biological fillers 22 are put between the partition plate 19 and the overflow pipe 18, an aerator 15 is arranged at the bottom between the partition plate 19 and the overflow pipe 18, a baffle plate 20 is arranged between the overflow pipe 18 and the reactor 4, and a sludge hopper 16 is arranged below the baffle plate 20.

In fig. 1, one side of the upper end of the gas-liquid separation chamber 2 is connected with a gas vent pipe 1, the tail end of the gas vent pipe 1 is connected to a membrane module 21, an outer discharge pipe 3 is arranged at the top of the reactor 4 and positioned at two sides of the gas-liquid separation chamber 2, the top of the gas-liquid separation chamber 2 is connected with the purging end of the membrane module 21 through the gas vent pipe 1, pressurized biogas purges the membrane module 21, a purging fan is replaced for purging, the operation cost of the membrane module 21 is reduced, and excessive biogas is discharged through the outer discharge pipe 3.

In fig. 2, a vent hole 17 is formed in the gas-liquid separation chamber 2 and below the top of the reactor 4, the end of the gas-liquid separation chamber 2 is connected with a three-phase separator 12, the three-phase separator 12 is of a bell-mouthed structure, a sludge layer 13 is arranged on the inner side of the reactor 4 and below the three-phase separator 12, the biogas enters the gas-liquid separation chamber 2 through the vent hole 17 after the pressure of the biogas is increased, after the pressure of the gas-liquid separation chamber 2 is increased, liquid in the gas-liquid separation chamber 2 is pressed back to the sludge layer 13 at the bottom, the sludge in the sludge layer 13 can be stirred, and water biogas and sludge are separated through the three-phase separator 12.

In fig. 2, one side of the reactor 4 close to the gas-liquid separation chamber 2 is connected with an external reflux pipe 5, the top end of the external reflux pipe 5 is positioned above a three-phase separator 12, the tail end of the external reflux pipe 5 is connected with a water inlet pipe 7, a valve 6 is arranged on the external reflux pipe 5, the loss of sludge is greatly reduced by the external reflux pipe 5, when organic wastewater is fed through the water inlet pipe 7, the water distributor 14 distributes water flow uniformly to stir the sludge at the bottom of the reaction chamber, and when solid-liquid separation is carried out, the reflux sludge can stir an anaerobic reaction zone.

In the figure 1, a water pump 9 is installed on one side of the reactor 4 close to a sludge hopper 16, the input end of the water pump 9 is connected with a sludge lifting pipe 8, the input end of the water pump 9 is sleeved with a sludge return pipe 10, the water pump 9 extracts sludge in the sludge hopper 16 and is communicated with the bottom end of the aerobic reaction chamber through the sludge return pipe 10 to return the sludge.

In fig. 2, the sludge lifting pipe 8 penetrates through the outer wall of the reactor 4 and extends to the inner bottom end of the sludge hopper 16, and the sludge return pipe 10 penetrates through the outer wall of the reactor 4 and extends to the inner side of the overflow pipe 18 and is positioned above the aerator 15, and the design is to better utilize the sludge in a return mode.

In fig. 2, a water outlet 11 is formed in the upper end of the outer wall of the reactor 4, the water outlet 11 is located above the baffle plate 20, a filter screen covers the water outlet 11, and the treated water is discharged through the water outlet 11.

The utility model discloses a theory of operation is: livestock wastewater enters a water distributor 14 after passing through a water inlet pipe 7, uniformly distributed water enters a sludge layer 13, water flow rises through a three-phase separator 12, part of the wastewater rises into a gas-liquid separation chamber 2, the wastewater rises to a settling zone and falls back to the bottom of an anaerobic reaction chamber after passing through inclined plates on the three-phase separator 12, sludge loss is reduced, the bottom of the reaction chamber is stirred, the water flow continues to rise, part of the water flows back to the water inlet pipe 7 through an outer return pipe 5, the sludge concentration and the sludge age of the anaerobic reaction are ensured, biogas generated by anaerobic fermentation rises, when the pressure intensity is increased, gas enters the gas-liquid separation chamber 2 through a vent hole 17, the wastewater at the bottom is pressed to the bottom of one side of a reactor 4 along with the increase of the pressure intensity of the gas-liquid separation chamber 2, the part of the return water can form water flow stirring, and the wastewater enters a membrane component 21 after passing, the membrane module 21 can carry out advanced treatment on water, the effluent quality of anaerobic reaction is improved, the sweeping end of the membrane module 21 is connected with the gas-liquid separation chamber 2 through the gas vent pipe 1, the membrane module 21 can be swept after the gas pressure in the gas-liquid separation chamber 2 is increased, membrane pollution is delayed, the operating cost of the membrane module 21 is reduced, after water flow enters an aerobic reaction area, the bottom of the membrane module is fixedly provided with an aerator 15 which has the functions of oxygenation and plug flow, after wastewater rises, the wastewater is intercepted and biologically reacted through a biological filler 22 to remove ammonia nitrogen and most organic matters in the water, the reacted wastewater enters the bottom of the aerobic reaction area through an overflow pipe 18, the water flow rises through a baffle plate 20, sludge can be deposited to a sludge hopper 16 at the bottom, the sludge is lifted by a water pump 9 (the model is BROONY) through a sludge return pipe 10 to flow back to the bottom of, the organic matter content in the water is ensured, and the treated wastewater is discharged through the water outlet 11.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a handle beasts and birds waste water multi-cell anaerobism-aerobic reactor, includes reactor (4), its characterized in that: a separation plate (19) and an overflow pipe (18) are arranged in the reactor (4), and the reactor (4) is divided into three parts by a partition plate (19) and an overflow pipe (18), a gas-liquid separation chamber (2) is arranged at the top between the isolation plate (19) and the reactor (4), and a water distributor (14) is arranged at the bottom end between the isolation plate (19) and the reactor (4), the input end of the water distributor (14) is connected with a water inlet pipe (7), a membrane component (21) is embedded between the isolation plates (19), biological fillers (22) are put between the isolation plate (19) and the overflow pipe (18), an aerator (15) is arranged at the bottom end between the isolation plate (19) and the overflow pipe (18), a baffle plate (20) is arranged between the overflow pipe (18) and the reactor (4), and a sludge hopper (16) is arranged below the baffle plate (20).

2. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 1, wherein one side of the upper end of the gas-liquid separation chamber (2) is connected with a gas vent pipe (1), the tail end of the gas vent pipe (1) is connected to the membrane module (21), and the top of the reactor (4) and two sides of the gas-liquid separation chamber (2) are provided with outer discharge pipes (3).

3. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 1, wherein a vent hole (17) is formed in the gas-liquid separation chamber (2) and below the top of the reactor (4), the tail end of the gas-liquid separation chamber (2) is connected with a three-phase separator (12), the three-phase separator (12) is of a bell-mouth structure, and a sludge layer (13) is arranged on the inner side of the reactor (4) and below the three-phase separator (12).

4. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 3, characterized in that one side of the reactor (4) close to the gas-liquid separation chamber (2) is connected with an external return pipe (5), the top end of the external return pipe (5) is positioned above the three-phase separator (12), the tail end of the external return pipe (5) is connected with a water inlet pipe (7), and a valve (6) is installed on the external return pipe (5).

5. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 1, characterized in that a water pump (9) is installed on one side of the reactor (4) close to a sludge hopper (16), the input end of the water pump (9) is connected with a sludge lifting pipe (8), and the input end of the water pump (9) is sleeved with a sludge return pipe (10).

6. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 5, characterized in that the sludge lifting pipe (8) penetrates the outer wall of the reactor (4) and extends to the inner bottom end of the sludge hopper (16), and the sludge return pipe (10) penetrates the outer wall of the reactor (4) and extends to the inner side of the overflow pipe (18) and is positioned above the aerator (15).

7. The multi-cell anaerobic-aerobic reactor for treating livestock and poultry wastewater according to claim 1, wherein a water outlet (11) is formed in the upper end of the outer wall of the reactor (4), the water outlet (11) is positioned above the baffle plate (20), and a filter screen is covered on the water outlet (11).