CN212024905U - Anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device - Google Patents
Anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device Download PDFInfo
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- CN212024905U CN212024905U CN202020322414.7U CN202020322414U CN212024905U CN 212024905 U CN212024905 U CN 212024905U CN 202020322414 U CN202020322414 U CN 202020322414U CN 212024905 U CN212024905 U CN 212024905U
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Abstract
The utility model relates to an oxygen deficiency/good oxygen-membrane bioreactor integration natural pond liquid processing apparatus, the device includes: the aeration tank comprises a base, a tank body, an aeration system, an MBR membrane system and a controller, wherein the tank body comprises an anoxic tank, an aerobic tank and an MBR membrane bioreactor tank, the anoxic tank, the aerobic tank and the MBR membrane tank are separated by a partition plate with a through hole at the bottom, a stirring system is arranged in the anoxic tank, and water inlet in the anoxic tank is controlled by a water inlet pump and an electromagnetic valve; aeration devices are arranged at the bottoms of the aerobic tank and the MBR membrane tank, and control electromagnetic valves are arranged on aeration pipelines; the MBR membrane tank is provided with a hollow fiber membrane, the MBR membrane tank is provided with a return line, and all devices are automatically controlled through a control system. The box and each system fixed mounting of this device form integrated treatment facility on the base, can effectively solve the natural pond liquid production volume big, the difficult up to standard and secondary pollution scheduling problem of conventional aerobic treatment ammonia nitrogen.
Description
Technical Field
The utility model relates to a livestock and poultry breeding sewage treatment field especially relates to an oxygen deficiency/good oxygen-membrane bioreactor integration natural pond liquid processing apparatus.
Background
The large concentration of livestock and poultry excrement in large-scale farms becomes an important factor for limiting the development of the breeding industry every year. The livestock and poultry manure resource utilization is the best treatment mode, the biogas production through the anaerobic fermentation of the livestock and poultry manure is one of the most effective means for realizing the resource utilization of the manure, but simultaneously a large amount of biogas slurry can be generated, the biogas slurry has the characteristics of complex pollution components, high concentration, low C/N, poor biodegradability and the like, is rich in a large amount of nutrient elements, trace mineral elements and physiological active substances, contains a large amount of pathogenic bacteria, antibiotics and heavy metals, has high environmental risk, and can pollute the ecological environment if being discharged randomly or treated improperly, even endanger the health of human beings. Therefore, how to effectively treat the livestock and poultry manure to generate biogas slurry after anaerobic fermentation becomes a hot problem of domestic and foreign research. Related technologies for producing biogas slurry after anaerobic fermentation of livestock and poultry manure treatment at present include an anoxic/aerobic (A/O) -sequencing batch biofilm reactor-oxidation pond-artificial wetland combined process, an ecological floating bed device, an adsorption pond-artificial wetland system-oxidation pond combined process and the like, and an anoxic/aerobic-membrane bioreactor (A/O-MBR) is concerned about removal of organic matters and nitrogen at the same time and can be applied to deep treatment of culture biogas slurry.
Disclosure of Invention
The utility model aims at providing an oxygen deficiency/good oxygen-membrane bioreactor integration natural pond liquid processing apparatus who takes up an area of for a short time, the treatment effect is good, the flexible operation, effectively solve the natural pond liquid production volume big, the difficult up to standard and secondary pollution scheduling problem of conventional good oxygen processing ammonia nitrogen.
In order to achieve the above object, the utility model provides a following scheme:
an anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device, the device comprising:
an anoxic tank;
the aerobic tank is positioned on one side of the anoxic tank;
the MBR membrane bioreactor tank is positioned on one side of the aerobic tank;
the aeration pipe is positioned in the MBR membrane bioreactor tank;
the perforated aeration pipe is positioned in the aerobic tank;
the microporous aeration disc is connected with the aeration pipe;
the fan is connected with the aeration pipe and the perforated aeration pipe;
the MBR membrane module is positioned in the MBR membrane bioreactor tank;
the suction pipeline is positioned in the MBR membrane bioreactor tank;
the suction pump is connected with the suction pipeline and is used for pumping water in the MBR membrane bioreactor tank;
the backwashing pipeline is positioned in the MBR membrane bioreactor tank;
the backwashing pump is connected with the backwashing pipeline and is used for backwashing;
the return pipeline is positioned between the MBR membrane bioreactor tank and the anoxic tank;
the reflux pump is connected with the reflux pipeline;
and the controller is used for controlling the fan, the suction pump, the backwashing pump and the reflux pump.
Optionally, the apparatus further comprises:
the base, the oxygen deficiency pond, good oxygen pond, MBR membrane bioreactor pond all are located on the base.
Optionally, the apparatus further comprises:
a stirrer located in the anoxic tank;
and the stirring motor is connected with the stirrer and used for providing power for the stirrer, and the stirring motor is also connected with the controller.
Optionally, the apparatus further comprises:
and the backwashing water tank is connected with the backwashing pump and used for providing a water source for the backwashing pump.
Optionally, the apparatus further comprises:
and the sludge discharge pump is used for discharging the sludge in the MBR membrane bioreactor tank, and is also connected with the controller.
Optionally, the apparatus further comprises:
the water inlet pipeline is positioned in the anoxic pond;
and the water inlet pump is used for injecting biogas slurry raw water into the anoxic pond and is also connected with the controller.
Optionally, the apparatus further comprises:
the liquid level sensor is positioned in the anoxic tank, is connected with the controller and is used for measuring the water level in the anoxic tank and sending the water level data to the controller;
and the first flowmeter is positioned in the water inlet pipeline and connected with the controller, and is used for monitoring the inflow of water and sending the water flow to the controller.
Optionally, the apparatus further comprises:
the first electromagnetic valve, the second flowmeter, the first pressure gauge, the second electromagnetic valve, the third flowmeter and the second pressure gauge are all positioned in the suction pipeline; and the second electromagnetic valve, the third flow meter and the second pressure meter are positioned in the backwashing pipeline.
Optionally, the apparatus further comprises:
and the display is connected with the controller and used for displaying data.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides an above-mentioned device waste water passes through the intake pump and gets into the oxygen deficiency pond, takes place denitrification reaction under the effect of oxygen deficiency pond microorganism, and the good oxygen pond of entering that flows automatically afterwards, waste water flow into MBR membrane bioreactor pond after biochemical reaction, accomplish mud-water separation at the MBR membrane module, and discharge up to standard is accomplished in last suction through the suction pump, the utility model provides an above-mentioned device take up an area of for a short time, the treatment effect is good, degree of automation is high, flexible operation, can effectively solve the natural pond liquid production volume big, the difficult up to standard and secondary pollution scheduling problem of conventional aerobic treatment ammonia nitrogen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of an integrated anaerobic/aerobic-membrane bioreactor biogas slurry treatment device according to an embodiment of the present invention.
Description of the symbols:
1 box body, 2 anoxic tanks, 3 aerobic tanks, 4 MBR membrane bioreactor tanks, 5 control cabinets, 6 water inlet pumps, 7 stirrers, 8 stirring motors, 9 microporous aeration discs, 10 fans, 11 MBR membrane components, 12 return pipes, 13 suction pumps, 14 sludge discharge pumps, 15 return pumps, 16 backwashing water tanks, 17 backwashing pumps, 18 perforated aeration pipes and 19 aeration pipes.
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 utility model aims at providing an oxygen deficiency/good oxygen-membrane bioreactor integration natural pond liquid processing apparatus who takes up an area of for a short time, the treatment effect is good, the flexible operation, effectively solve the natural pond liquid production volume big, the difficult up to standard and secondary pollution scheduling problem of conventional good oxygen processing ammonia nitrogen.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The method is characterized in that the equipment is started before running, firstly, activated sludge is inoculated into the equipment, and MLSS and MLVSS of the sludge and the treatment capacity of fermentation biogas slurry are measured every day. The SV of the domesticated sludge is between 25% and 30%, the MLSS is between 6000mg/L and 10000mg/L, the supernatant after precipitation is clear, the sludge properties are observed by a microscope, and a large amount of zoogloea and some original metazoans are found, which shows that the aerobic sludge has a good treatment effect on the fermentation liquid and the equipment can normally operate.
Fig. 1 is a schematic structural diagram of an integrated biogas slurry treatment device of an anoxic/aerobic-membrane bioreactor of the embodiment of the present invention, as shown in fig. 1, the device comprises:
the aeration system comprises a box body 1, an aeration system, an MBR membrane system and a controller 5. Wherein the box body 1 comprises an anoxic tank 2, an aerobic tank 3 and an MBR membrane bioreactor tank 4, and the anoxic tank 2, the aerobic tank 3 and the MBR membrane bioreactor tank 4 are separated by a through hole clapboard at the bottom. The aeration device comprises a perforated aeration pipe 18, a microporous aeration disc 9, a fan 10 and an aeration pipe 19. The MBR membrane system comprises an MBR membrane module 11, a suction pump 13, a backwashing pump 17 and a backwashing water tank 16, wherein the MBR membrane module 11 is a hollow fiber membrane.
Specifically, the aerobic tank 3 is positioned at one side of the anoxic tank 1;
the MBR membrane bioreactor tank 4 is positioned at one side of the aerobic tank 3.
The aeration pipe is positioned in the MBR membrane bioreactor tank; the perforated aeration pipe is positioned in the aerobic tank; the microporous aeration disc is connected with the aeration pipe;
the blower 10 is connected with the aeration pipe 19 and the perforated aeration pipe; the MBR membrane module 11 is positioned in the MBR membrane bioreactor tank 4; a suction pipeline is positioned in the MBR membrane bioreactor tank 4, and a suction pump 13 is connected with the suction pipeline and is used for pumping water in the MBR membrane bioreactor tank 4; the backwashing pipeline is positioned in the MBR membrane bioreactor tank 4; the backwashing pump 17 is connected with the backwashing pipeline for backwashing; the return pipeline 12 is positioned between the MBR membrane bioreactor tank 4 and the anoxic tank 2; the return pump 15 is connected with the return pipeline 12; the controller is used for controlling the fan, the suction pump, the backwashing pump and the reflux pump.
The fan 10 provides sufficient dissolved oxygen for the aerobic tank 3 through the aeration pipe 19 and the perforated aeration pipe 18 to ensure the survival of aerobic microorganisms; the aeration pipeline is also provided with a manual valve, and can be properly adjusted according to requirements. Sewage in the aerobic tank 3 automatically flows into an MBR membrane bioreactor tank 4, a fan 10 aerates the inside of the tank through an aeration pipe 19 and a microporous aeration disc 9 to ensure that cement in the tank is uniform, and when a suction pump 13 is started, a backwashing pump 17 is closed, and all water is discharged; when the system runs for a certain time, the suction pump 13 stops working, and the MBR membrane module 11 is buffered; when the transmembrane pressure difference (TMP) exceeds 35kPa, the backwashing pump 17 is started, the suction pump 13 is closed, and the water in the backwashing water tank 16 is used for backwashing; a return pipeline 12 is arranged at the bottom of the MBR membrane biological reaction tank 4 and returns to the anoxic tank 2 through a return pump 15, so that the requirement of oxygen supplementation of the anoxic tank is met.
In addition, for the convenient removal to the device, the utility model provides an above-mentioned device still includes the base, the oxygen deficiency pond good oxygen pond MBR membrane bioreactor pond all is located on the base, forms integrated equipment, can remove the installation as required, and box 1 is integrated device with the base, adopts stainless steel material to make.
In order to fully and uniformly mix the raw water and the sludge in the anoxic pond 2, the device is also provided with a stirrer 7 and a stirring motor 8;
the stirrer 7 is positioned in the anoxic tank;
the stirring motor 8 is connected with the stirrer 7 and used for providing power for the stirrer 7, and the stirring motor 8 is also connected with the controller 5.
Furthermore, the apparatus further comprises:
and the backwashing water tank 16 is connected with the backwashing pump 17 and is used for providing a water source for the backwashing pump.
The device further comprises:
and after the system runs to a certain stage, a certain amount of inorganic mud is accumulated in the MBR membrane bioreactor tank 4, and at the moment, the mud pump 14 can be started to discharge so as to enable the system to run better.
The device further comprises:
the water inlet pipeline is positioned in the anoxic pond;
and the water inlet pump 6 is used for injecting biogas slurry raw water into the anoxic pond and is also connected with the controller.
The device further comprises:
and the display is connected with the controller and used for displaying data.
The device further comprises: a level sensor and a first flow meter;
the liquid level sensor is positioned in the anoxic tank, is connected with the controller and is used for measuring the water level in the anoxic tank and sending the water level data to the controller;
first flowmeter is located in the water intake pipe and with the controller is connected for monitor inflow, and will discharge send to the controller, through intake pump injection natural pond liquid raw water in the oxygen deficiency pond, when the liquid level reachd the take the altitude, the intake pump stopped, and the intake pump front end is equipped with the solenoid valve, is equipped with the flowmeter on the water intake pipe, and the inflow flow can show on the display screen.
The device further comprises:
the first electromagnetic valve, the second flowmeter, the first pressure gauge, the second electromagnetic valve, the third flowmeter and the second pressure gauge are all positioned in the suction pipeline; and the second electromagnetic valve, the third flow meter and the second pressure meter are positioned in the backwashing pipeline.
And when the flow pressure exceeds a preset value, alarming and displaying.
The controller controls the working time of the water inlet pump, the water inlet electromagnetic valve, the suction pump, the reflux pump and the fan through the liquid level sensor.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. An anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device is characterized by comprising:
an anoxic tank;
the aerobic tank is positioned on one side of the anoxic tank;
the MBR membrane bioreactor tank is positioned on one side of the aerobic tank;
the aeration pipe is positioned in the MBR membrane bioreactor tank;
the perforated aeration pipe is positioned in the aerobic tank;
the microporous aeration disc is connected with the aeration pipe;
the fan is connected with the aeration pipe and the perforated aeration pipe;
the MBR membrane module is positioned in the MBR membrane bioreactor tank;
the suction pipeline is positioned in the MBR membrane bioreactor tank;
the suction pump is connected with the suction pipeline and is used for pumping water in the MBR membrane bioreactor tank;
the backwashing pipeline is positioned in the MBR membrane bioreactor tank;
the backwashing pump is connected with the backwashing pipeline and is used for backwashing;
the return pipeline is positioned in the MBR membrane bioreactor tank;
the reflux pump is connected with the reflux pipeline;
and the controller is used for controlling the fan, the suction pump, the backwashing pump and the reflux pump.
2. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
the base, the oxygen deficiency pond, good oxygen pond, MBR membrane bioreactor pond all are located on the base.
3. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
a stirrer located in the anoxic tank;
and the stirring motor is connected with the stirrer and used for providing power for the stirrer, and the stirring motor is also connected with the controller.
4. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
and the backwashing water tank is connected with the backwashing pump and used for providing a water source for the backwashing pump.
5. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
and the sludge discharge pump is used for discharging the sludge in the MBR membrane bioreactor tank, and is also connected with the controller.
6. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
the water inlet pipeline is positioned in the anoxic pond;
and the water inlet pump is used for injecting biogas slurry raw water into the anoxic pond and is also connected with the controller.
7. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 6, further comprising:
the liquid level sensor is positioned in the anoxic tank, is connected with the controller and is used for measuring the water level in the anoxic tank and sending the water level data to the controller;
and the first flowmeter is positioned in the water inlet pipeline and connected with the controller, and is used for monitoring the inflow of water and sending the water flow to the controller.
8. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 6, further comprising:
the first electromagnetic valve, the second flowmeter, the first pressure gauge, the second electromagnetic valve, the third flowmeter and the second pressure gauge are all positioned in the suction pipeline; and the second electromagnetic valve, the third flow meter and the second pressure meter are positioned in the backwashing pipeline.
9. The anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment apparatus according to claim 1, further comprising:
and the display is connected with the controller and used for displaying data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322414.7U CN212024905U (en) | 2020-03-16 | 2020-03-16 | Anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322414.7U CN212024905U (en) | 2020-03-16 | 2020-03-16 | Anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device |
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| CN212024905U true CN212024905U (en) | 2020-11-27 |
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| CN202020322414.7U Expired - Fee Related CN212024905U (en) | 2020-03-16 | 2020-03-16 | Anoxic/aerobic-membrane bioreactor integrated biogas slurry treatment device |
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2020
- 2020-03-16 CN CN202020322414.7U patent/CN212024905U/en not_active Expired - Fee Related
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