CN119038796A - Livestock and poultry wastewater treatment system - Google Patents
Livestock and poultry wastewater treatment system Download PDFInfo
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- CN119038796A CN119038796A CN202411322151.9A CN202411322151A CN119038796A CN 119038796 A CN119038796 A CN 119038796A CN 202411322151 A CN202411322151 A CN 202411322151A CN 119038796 A CN119038796 A CN 119038796A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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Abstract
本发明公开了一种畜禽废水的处理系统，包括：集成池，集成池上表面开设有厌氧处理池、曝气池和安装间，厌氧处理池上表面开设有连通口，连通口能够被初步过滤机构密封滑盖，初步过滤机构滑动安装在厌氧处理池的上表面处，厌氧处理池内滑动安装有污泥处理机构，曝气池上表面固定安装有刮扫机构，刮扫机构能够将曝气池内所产生的浮渣刮扫入排污通道进入存储盒内，曝气池内固定安装有供气机构。本申请通过曝气池、厌氧处理池和刮扫机构的设计，且此设备将厌氧和好氧的处理集成在一起，可以节省占地空间，还能减少建设和运营成本，还能够将过滤出的固体物质，如粪便、饲料残渣、羽毛等刮铲出进行集中收集。
The present invention discloses a livestock and poultry wastewater treatment system, comprising: an integrated pool, an anaerobic treatment pool, an aeration pool and an installation room are provided on the upper surface of the integrated pool, a communication port is provided on the upper surface of the anaerobic treatment pool, the communication port can be sealed and covered by a preliminary filtering mechanism, the preliminary filtering mechanism is slidably installed on the upper surface of the anaerobic treatment pool, a sludge treatment mechanism is slidably installed in the anaerobic treatment pool, a scraping mechanism is fixedly installed on the upper surface of the aeration pool, the scraping mechanism can scrape the scum generated in the aeration pool into a sewage channel and enter a storage box, and an air supply mechanism is fixedly installed in the aeration pool. The present application integrates anaerobic and aerobic treatment together through the design of an aeration pool, an anaerobic treatment pool and a scraping mechanism, and the device can save space, reduce construction and operation costs, and can scrape out filtered solid matter, such as feces, feed residues, feathers, etc. for centralized collection.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a livestock wastewater treatment system.
Background
The livestock and poultry breeding wastewater is wastewater containing high-concentration organic matters and nutrients, and the direct discharge of the wastewater causes serious water environment pollution. However, the pollution control level of the livestock and poultry breeding industry is generally low, and according to statistics, 90% of the pollution treatment of large-scale livestock and poultry farms in China cannot meet the environmental protection requirement, so that the eutrophication of water bodies is caused, and meanwhile, the development of the livestock and poultry breeding industry is restrained.
For example, the patent with the publication number CN203582653U of the national patent grant discloses a livestock and poultry breeding wastewater treatment system, which belongs to the wastewater treatment field. The sewage treatment device comprises an ABR tank, an aerobic biological filter tank and a denitrification tank, wherein the ABR tank is connected with the aerobic biological filter tank through a sewage pipeline, an atomization spray head is arranged at one end of the sewage pipeline extending into the aerobic biological filter tank, a lifting pump is arranged on the sewage pipeline, the aerobic biological filter tank sends out water into the denitrification tank through a pipeline, a filter material is arranged in the denitrification tank, an aeration device is arranged below the filter material, and a water outlet is arranged at the bottom of the denitrification tank. The system improves the denitrification rate, embodies the concept of treating waste with waste, saves the cost and is easy to operate.
However, the ABR tank, the aerobic biological filter tank and the denitrification tank in the livestock and poultry cultivation wastewater treatment system are designed independently and are communicated through pipelines, so that the overall complexity of the system is increased, the operation process is not continuous, the integration level is low, filtered solid substances such as feces, feed residues, feathers and the like cannot be scraped out for centralized collection in the anaerobic and aerobic treatment process, the sediment can be formed at the bottom of the tank, the space in the tank is occupied, the uniform distribution and the treatment effect of water flow are affected, the accumulated solid substances can also cause equipment blockage, and the normal operation of the system is affected.
Disclosure of Invention
The invention aims to provide a livestock wastewater treatment system, which aims to solve the problems that in the system proposed in the background art, an ABR tank, an aerobic biological filter tank and a denitrification tank are all independently designed and are communicated through pipelines, so that the overall complexity of the system is increased, the operation process is not consistent, the integration level is low, and filtered solid substances such as excrement, feed residues, feathers and the like cannot be scraped out for centralized collection in the anaerobic and aerobic treatment processes.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The livestock wastewater treatment system comprises an integrated tank, wherein the upper surface of the integrated tank is provided with an anaerobic treatment tank, an aeration tank and an installation room, the upper surface of the anaerobic treatment tank is provided with a communication port, the communication port can be sealed and sliding cover by a preliminary filtering mechanism, the preliminary filtering mechanism is slidably arranged on the upper surface of the anaerobic treatment tank, a sludge treatment mechanism is dynamically arranged in the anaerobic treatment Chi Nahua, the sludge treatment mechanism can push sludge to prop the discharge end of the sludge treatment mechanism into a guide plate, a sewage drainage channel can be formed between the guide plate and the discharge end of the sludge treatment mechanism, the sewage drainage channel can be used for pushing the sludge generated in the anaerobic treatment tank into the sewage drainage channel by the sludge treatment mechanism and sliding the sludge into a storage box, and the storage box is fixedly arranged on the lower surface of the integrated tank;
The upper surface of the aeration tank is fixedly provided with a scraping mechanism, the scraping mechanism can scrape scum generated in the aeration tank into a sewage channel to enter a storage box, the aeration tank is internally fixedly provided with an air supply mechanism, and the air supply mechanism can convey air and oxygen into the aeration tank;
the fine suspended matter filtering mechanism is fixedly arranged in the installation room and can pump the wastewater treated in the aeration tank into the fine suspended matter filtering mechanism.
Preferably, a first water pump is fixedly arranged at one end of the integrated tank, a water pumping port of the first water pump is communicated into the anaerobic treatment tank, and a water outlet of the first water pump is communicated into the aeration tank.
Preferably, the preliminary filtering mechanism comprises a sealing slide plate, the sealing slide plate is slidably mounted at the upper surface of the anaerobic treatment tank, a funnel barrel is fixedly mounted on the upper surface of the sealing slide plate, a sieve plate is fixedly mounted in an outlet of the funnel barrel, and the sieve plate can be communicated with a communication port through sliding of the sealing slide plate so as to separate solid matters in the wastewater from liquid for pretreatment through the sieve plate in the funnel barrel, wherein the solid matters comprise livestock manure, feed residues, feathers and the like.
Preferably, the connecting arms are fixedly installed on two sides of the funnel cylinder, the connecting arms are fixedly installed at one end of a piston rod of the electric push rod, the electric push rod is fixedly installed on two sides of the integrated tank, the electric push rod can drive the sealing slide plate to cover the upper surface of the communication port in a sealing manner through a push piston rod of a full stroke, so that a sealing anaerobic environment is formed in the anaerobic treatment tank, microorganisms can be supplied to decompose organic matters into methane and carbon dioxide, the generated methane can be used as energy sources for recycling, and the aim of anaerobic treatment is achieved.
Preferably, the sludge treatment mechanism comprises a first motor, the first motor is fixedly arranged at one end of the integrated tank, an output shaft of the first motor is hermetically penetrated into the anaerobic treatment tank and is fixedly provided with a threaded rod, a scraping plate is in threaded transmission with the outer surface of the threaded rod, the scraping plate is slidably arranged on the inner lower surface of the anaerobic treatment tank, a top contact plate is fixedly arranged on the upper surface of the scraping plate, the top contact plate can push the sealing cover to overturn and spread, a rotating column is fixedly arranged on the upper surface of the sealing cover, the rotating column can be hermetically penetrated out of the anaerobic treatment tank and rotatably arranged in a sealing cylinder, and the sealing cylinder is fixedly arranged at two sides of the integrated tank;
the outer surface of the rotating column is fixedly provided with a torsion spring, and the outer end of the torsion spring is fixedly connected in the sealing cylinder, so that the sealing cylinder can be in torsion and propped contact with one end of the anaerobic treatment tank to realize sealing closure;
The anaerobic treatment tank is characterized in that a connecting plate is fixedly arranged in the anaerobic treatment tank, a semi-ring disc is fixedly arranged on the lower surface of the connecting plate, the semi-ring disc is in sealing fit with the outer surface of a rotating column, the connecting plate is in a rotary sealing shape through a rotary connection part between the semi-ring disc and a sealing cylinder, and the sealing operation can be carried out on the anaerobic treatment tank through the torsion closure of the sealing cylinder;
The sealing cover is arranged on the top of the top contact plate, and is connected with the sealing cover in a sealing mode, wherein a sewage drain channel is formed between the connecting plate and the sealing cover and the guide plate, when the sealing cover seals the anaerobic treatment tank in a closed mode, scum in the aeration tank can be pushed in, and when the sealing cover is propped open by the top contact plate, sludge formed in the anaerobic treatment tank can be pushed into the sewage drain channel and flows into the storage box.
Preferably, the air supply mechanism comprises an air pump, a ball valve pipe is arranged at the air outlet of the air pump in a communicating manner, the other end of the ball valve pipe is arranged in the aeration tank in a communicating manner, an aeration pipe is arranged at one end of the ball valve pipe in the aeration tank in a communicating manner, and the aeration pipe is arranged in the aeration tank.
Preferably, the aeration pipe can introduce air bubbles into the aeration tank after compressing the air, oxygen in the air bubbles is dissolved in water, the dissolved oxygen content in the water is increased, the aerobic microorganisms can decompose organic pollutants in the wastewater by utilizing the oxygen dissolved in the water, the purpose of aerobic treatment is realized, and under the condition of sufficient oxygen, the microorganisms can further decompose the residual organic matters in the wastewater to generate water and carbon dioxide, so that the organic pollutants in the water can be greatly reduced.
Preferably, the scraping and sweeping mechanism comprises two groups of butt joint plates, the two groups of butt joint plates are fixedly arranged on the upper surface of the aeration tank, a transmission column is rotatably arranged between the two groups of butt joint plates, a second motor is fixedly arranged at one end of each butt joint plate, an output shaft of the second motor penetrates through the butt joint plates to be fixedly connected with the transmission column, a transmission belt is sleeved on the outer surface of each transmission column, a scraping and sweeping plate is fixedly arranged between the transmission belts, and the scraping and sweeping plate can scrape and sweep floating slag rising in wastewater in the aeration tank into a sewage drainage channel formed between the guide plate and a discharge end of the sludge treatment mechanism.
Preferably, the fine suspended matter filtering mechanism comprises a second water pump, the second water pump is fixedly arranged at one end of the integrated tank, a water pumping port of the second water pump is communicated with the aeration tank, a water outlet of the second water pump penetrates through the installation room and is communicated with the ultrafiltration membrane, and the ultrafiltration membrane is fixedly arranged in the installation room.
Preferably, the plurality of groups of ultrafiltration membranes in the installation room are connected in series through communicating pipes, and the communicating pipes penetrate out of the integration pool from the installation room.
Compared with the prior art, the invention has the beneficial effects that:
1. Through the design of an aeration tank, an installation room, a first water pump, a guide plate, a storage box, an anaerobic treatment tank, a communication port, a preliminary filtering mechanism, a scraping mechanism, a fine suspended matter filtering mechanism, an air supply mechanism and a sludge treatment mechanism, when livestock and poultry wastewater is treated, the wastewater can be poured into the preliminary filtering mechanism, the preliminary filtering mechanism can separate solid matters in the wastewater from liquid at first, the solid matters comprise livestock and poultry manure, feed residues, feathers and the like, the wastewater can enter the anaerobic treatment tank through the preliminary filtering mechanism and the communication port, then the preliminary filtering mechanism can be started to carry out sliding seal on the communication port, so that a sealed anaerobic environment can be formed in the anaerobic treatment tank, and under the condition of no oxygen, anaerobic bacteria decompose organic matters in the wastewater, the process is mainly completed through fermentation and anaerobic digestion, the organic matter content in the wastewater can be reduced, methane, carbon dioxide and residual solid matters, namely sludge, can be generated in the decomposition process, the methane and the carbon dioxide can be used for energy recovery, the first water pump can be started to pump the wastewater in the anaerobic treatment tank into the aeration tank after the anaerobic treatment, the air supply mechanism can be started to supply oxygen or air into the aeration tank after the wastewater enters the aeration tank, and under the aerobic condition, the organic matters in the wastewater are further decomposed into water and carbon dioxide by utilizing microorganisms, so that the wastewater is further purified, the organic pollutants in the water can be greatly reduced, the Chemical Oxygen Demand (COD) and the Biochemical Oxygen Demand (BOD) can be reduced, and in the aeration tank, the sludge formed by combining the microorganisms and the organic matters in the process of decomposing the organic matters is granular, the granular substances are attached by bubbles in the aeration tank, so that the granular substances float on the surface, the surface floating sludge can be scraped into a sewage disposal channel formed between the guide plate and the discharge end of the sludge treatment mechanism by the scraping mechanism, the sewage disposal channel can guide the sludge into the storage box for centralized collection, the sludge deposited in the anaerobic treatment tank can be scraped by starting the sludge treatment mechanism, the sludge can be pushed into the sewage disposal channel and guided into the storage box for centralized collection along with the continuous scraping of the sludge treatment mechanism, the waste water treated by the aeration tank is pumped into the water quality further by the fine suspended matter filtering mechanism, the residual fine particles in the waste water are removed and discharged from the integrated tank, the carefully filtered waste water can be disinfected by ultraviolet rays, chlorine gas or ozone, the discharge or recycling standard can be met, the anaerobic and aerobic treatment is integrated together by the equipment, the occupied space can be saved, the solid waste water can be reduced, the solid waste water can be uniformly filtered, and the solid waste water can be prevented from being uniformly discharged, and the solid waste water can be uniformly discharged, the solid waste water can be uniformly, the solid waste can be prevented from being uniformly and the solid waste is completely discharged, and the solid waste can be uniformly discharged, the solid waste can be effectively discharged, the waste is more stable, and the waste is more stable.
2. Through the design of electric putter, the linking arm, the sieve, sealed slide, first motor, the threaded rod, the scraper blade, sealed lid, torsion spring and seal section of thick bamboo, when handling beasts and birds waste water, the accessible is emptyd waste water into in the funnel section of thick bamboo, and the sieve in the funnel section of thick bamboo will separate solid matter and the liquid in the waste water, and excrement and urine in the solid matter, feed residue, feather etc. will stay in the upper surface department of sieve and carry out preliminary filtration, and waste water then can get into in the anaerobic treatment pond through the hole and the intercommunication mouth of sieve, then just can start electric putter propelling movement sealed slide and carry out sliding seal to the intercommunication mouth, can make the anaerobic treatment inslot form sealed anaerobic environment, under anaerobic condition, anaerobic microorganism breaks down the organic matter in the waste water through a series of complicated biochemical reactions, this process includes several stages:
hydrolysis stage, in which macromolecular organic substances (such as proteins, fats, carbohydrates) are decomposed into smaller molecules such as amino acids, fatty acids and saccharides by hydrolytic enzymes;
the acidification stage, namely, the micromolecular organic matter is further converted into volatile fatty acid (such as acetic acid and propionic acid) and intermediate products such as hydrogen, carbon dioxide and the like by acidizing bacteria;
An acetylation stage, namely, the acidification product is converted into acetic acid, hydrogen and carbon dioxide by acetic acid bacteria;
The methanation stage, namely converting acetic acid and hydrogen into methane (CH 4) and carbon dioxide (CO 2) by methane bacteria to finish the final conversion of organic matters, and then starting a first water pump to pump the wastewater into an aeration tank;
The anaerobic bacteria can obtain energy by decomposing the organic matters in the wastewater in an anaerobic environment, the metabolic activities of the microorganisms decompose the organic matters and generate microbial cell bodies, the propagation and growth of the microorganisms can lead to a large amount of cell volume increase, the microbial cells and the organic matters which are not decomposed can form solid residues, namely sludge, the generated sludge can drive the scraper plate to scrape the sludge deposited at the bottom of the anaerobic treatment tank by starting the first motor to drive the threaded rod, the scraper plate can drive the top contact plate fixedly arranged on the upper surface to contact one end of the sealing cover along with the continuous pushing of the scraper plate, the sealing cover can drive the torsion spring to rotate in the sealing cylinder through the rotating column, the sealing cover can be turned over, the sludge pushed by the scraper plate can be pushed into the sewage disposal channel to be guided into the storage box to be concentrated and collected, and then the first motor can drive the threaded rod to reversely rotate the scraper plate to pull the scraper plate back, and the sealing cover can be closed by the torsion spring without being contacted by the top contact.
3. Through the design of air pump, ball valve pipe, the aeration pipe, the second motor, the transmission post, the drive belt and scrape the board, and just accessible start the air pump after the waste water gets into in the aeration tank supplies oxygen or air to the aeration pipe, and the aeration pipe can supply oxygen or air into in the aeration tank, can make the waste water utilize the microorganism to scrape organic matter in the waste water further into water and carbon dioxide under the aerobic condition, realized further purifying waste water, can reduce the organic pollutant in the water by a wide margin, reduce Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD), and in the aeration tank, the microorganism can be attached to by the bubble in the aeration tank in the in-process of decomposing organic matter, make them float on the surface, can start the drive belt of the transmission post surface of second motor area, and the drive belt just can drive the board of scraping between the surface sludge and scrape in the drain passageway that forms between deflector and the connecting plate, this drain passageway can guide the mud to the storage box in, can also be directed to the anaerobic treatment of storage box, can realize the removal of oxygen and the oxygen demand (COD) and the effective removal of oxygen demand of the waste water and the oxygen demand of the nitrogen and the nitrogen of the waste water (in addition, can be effectively removed and the removal of the oxygen demand of the nitrogen and the oxygen of the waste water and the oxygen of the oxygen-containing and the oxygen-containing waste water (the oxygen-containing and the oxygen-containing waste water) can be more effectively reduced.
4. Through the design of second water pump, milipore filter and communicating pipe, the waste water after being handled in the aeration tank can be by the multiunit milipore filter of second water pump suction installation room in, and just can get rid of the suspended solid in the waste water under the filtration of multiunit milipore filter, make the water out more clear, and the waste water through meticulous filtration can be through ultraviolet ray, chlorine or ozone disinfection, ensure that pathogenic microorganism such as bacterium, the virus in the waste water are effectively killed, can satisfy emission or recycle standard, reach high-quality water treatment effect.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a livestock wastewater treatment system of the invention;
FIG. 2 is a schematic view showing the construction of an aeration tank and a mounting room of the present invention;
FIG. 3 is a schematic view of the structure of the anaerobic treatment tank and the storage box of the present invention;
FIG. 4 is a schematic view of the air supply mechanism of the present invention;
FIG. 5 is a schematic view of a primary filter mechanism according to the present invention;
FIG. 6 is a schematic view of a sludge treatment mechanism according to the present invention;
FIG. 7 is a schematic view of a scraping mechanism according to the present invention;
fig. 8 is a schematic structural view of the fine suspended matter filtering mechanism of the present invention.
In the figure, 1, an integrated tank, 101, an aeration tank, 102, an installation room, 103, a first water pump, 104, a guide plate, 105, a storage box, 106, an anaerobic treatment tank, 107, a communication port, 2, a preliminary filtering mechanism, 201, an electric push rod, 202, a connecting arm, 203, a sieve plate, 204, a seal slide plate, 205, a funnel, 3, a scraping mechanism, 301, an abutting plate, 302, a second motor, 303, a transmission column, 304, a transmission belt, 305, a scraping plate, 4, a fine suspended matter filtering mechanism, 401, a second water pump, 402, an ultrafiltration membrane, 403, a communicating pipe, 5, an air supply mechanism, 501, an air pump, 502, a ball valve pipe, 503, an aeration pipe, 6, a sludge treatment mechanism, 601, a first motor, 602, a threaded rod, 603, a scraping plate, 604, a connecting plate, 605, a sealing cover, 606, a semi-ring disc, 607, a rotation column, 608, a torsion spring, 609, a sealing cylinder, 610 and a top contact plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present embodiment provides the following technical solutions:
1-3, a livestock wastewater treatment system is used for treating livestock wastewater and specifically comprises an integrated tank 1, wherein an anaerobic treatment tank 106, an aeration tank 101 and an installation room 102 are arranged on the upper surface of the integrated tank 1, a communication port 107 is arranged on the upper surface of the anaerobic treatment tank 106, the communication port 107 can be sealed and sliding-cover by a preliminary filtering mechanism 2, the preliminary filtering mechanism 2 is slidably arranged on the upper surface of the anaerobic treatment tank 106, a sludge treatment mechanism 6 is slidably arranged in the anaerobic treatment tank 106, the sludge treatment mechanism 6 can push sludge to prop the discharge end of the sludge treatment mechanism 6 into a guide plate 104, a sewage drain channel can be formed between the guide plate 104 and the discharge end of the sludge treatment mechanism 6, the sewage drain channel can be used for pushing sludge generated in the anaerobic treatment tank 106 into the sewage drain channel by the sludge treatment mechanism 6 and sliding the sewage drain channel into a storage box 105, and the storage box 105 is fixedly arranged on the lower surface of the integrated tank 1;
the upper surface of the aeration tank 101 is fixedly provided with a scraping mechanism 3, the scraping mechanism 3 can scrape scum generated in the aeration tank 101 into a sewage channel to enter a storage box 105, the aeration tank 101 is internally fixedly provided with an air supply mechanism 5, and the air supply mechanism 5 can convey air and oxygen into the aeration tank 101;
Wherein, the fine suspended matter filtering mechanism 4 is fixedly arranged in the installation room 102, and the fine suspended matter filtering mechanism 4 can pump the wastewater treated in the aeration tank 101 into the fine suspended matter filtering mechanism 4.
A first water pump 103 is fixedly arranged at one end of the integrated tank 1, a water pumping port of the first water pump 103 is communicated into the anaerobic treatment tank 106, and a water outlet of the first water pump 103 is communicated into the aeration tank 101.
Through the design of the aeration tank 101, the installation room 102, the first water pump 103, the guide plate 104, the storage box 105, the anaerobic treatment tank 106, the communication port 107, the preliminary filtration mechanism 2, the scraping mechanism 3, the fine suspended matter filtering mechanism 4, the air supply mechanism 5 and the sludge treatment mechanism 6, when livestock and poultry wastewater is treated, the wastewater can be poured into the preliminary filtration mechanism 2, the preliminary filtration mechanism 2 firstly separates solid matters in the wastewater from liquid, the solid matters comprise livestock and poultry manure, feed residues, feathers and the like, the wastewater can enter the anaerobic treatment tank 106 through the preliminary filtration mechanism 2 and the communication port 107, then the preliminary filtration mechanism 2 can be started to carry out sliding seal on the communication port 107, the anaerobic environment can be formed in the anaerobic treatment tank 106, the process of decomposing organic matters in the wastewater by anaerobic bacteria is mainly completed through fermentation and anaerobic digestion under the condition without oxygen, the organic matters in the wastewater can be reduced, methane can be produced in the decomposing process, Carbon dioxide and residual solid matter, i.e. sludge, while methane, carbon dioxide can be used for energy recovery, the first water pump 103 can be started to pump wastewater in the anaerobic treatment tank 106 into the aeration tank 101 after anaerobic treatment, and oxygen or air can be supplied into the aeration tank 101 by starting the air supply mechanism 5 after the wastewater enters the aeration tank 101, and under the aerobic condition, organic matters in the wastewater are further decomposed into water and carbon dioxide by microorganisms, so that further purification of the wastewater is realized, the step can greatly reduce organic pollutants in the water, reduce Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD), and in the aeration tank 101, the sludge formed by combining microorganisms and the organic matters is granular in the process of decomposing the organic matters, the granular matters are attached by bubbles in the aeration tank 101, and the granular matters float on the surface, the surface floating sludge can be scraped and swept into a sewage drain channel formed between the guide plate 104 and the discharge end of the sludge treatment mechanism (6) by the scraping mechanism 3, the sewage drain channel can guide the sludge into the storage box 105 for centralized collection, the sludge deposited in the anaerobic treatment tank 106 can be scraped and shoveled by starting the sludge treatment mechanism 6, the sludge treatment mechanism 6 can be propped and shoveled along with the continuous scraping of the sludge treatment mechanism 6, the sludge is pushed into the sewage drain channel and guided into the storage box 105 for centralized collection, the wastewater treated by the aeration tank 101 is pumped into the storage box 105 for further purification by the fine suspended matter filtering mechanism 4, the residual tiny particles in the wastewater are removed and discharged from the integrated tank 1, and the wastewater subjected to fine filtration can be treated by ultraviolet rays, Chlorine or ozone disinfection ensures that pathogenic microorganisms such as bacteria and viruses in wastewater are effectively killed, emission or recycling standards can be met, anaerobic treatment and aerobic treatment are integrated together, occupied space can be saved, construction and operation costs can be reduced, filtered solid matters such as feces, feed residues, feathers and the like can be scraped out for centralized collection, the solid matters can be prevented from affecting water flow, and uniformity and stability of the whole treatment process are ensured.
As shown in fig. 4-6, the preliminary filtration mechanism 2 comprises a sealing slide plate 204, the sealing slide plate 204 is slidably mounted on the upper surface of the anaerobic treatment tank 106, a funnel barrel 205 is fixedly mounted on the upper surface of the sealing slide plate 204, a sieve plate 203 is fixedly mounted in an outlet of the funnel barrel 205, the sieve plate 203 can be communicated with the communication port 107 through the sliding of the sealing slide plate 204, and solid matters in the wastewater can be separated from liquid through the sieve plate 203 in the funnel barrel 205 for pretreatment, wherein the solid matters comprise livestock and poultry manure, feed residues, feathers and the like.
The connecting arms 202 are fixedly installed on two sides of the funnel 205, the connecting arms 202 are fixedly installed at one end of a piston rod of the electric push rod 201, the electric push rod 201 is fixedly installed on two sides of the integrated tank 1, the electric push rod 201 can drive the sealing slide plate 204 to be covered on the upper surface of the communication port 107 in a sealing mode through a full-stroke pushing piston rod, a sealing anaerobic environment is formed in the anaerobic treatment tank 106, microorganisms can be enabled to decompose organic matters into methane and carbon dioxide through the anaerobic environment, and generated methane can be recycled as energy sources, so that the aim of anaerobic treatment is achieved.
The sludge treatment mechanism 6 comprises a first motor 601, the first motor 601 is fixedly arranged at one end of the integrated tank 1, an output shaft of the first motor 601 penetrates into the anaerobic treatment tank 106 in a sealing way and is fixedly provided with a threaded rod 602, a scraper 603 is in threaded transmission with the outer surface of the threaded rod 602, the scraper 603 is slidably arranged on the inner lower surface of the anaerobic treatment tank 106, a top contact plate 610 is fixedly arranged on the upper surface of the scraper 603, the top contact plate 610 can push the sealing cover 605 to overturn and spread, a rotating column 607 is fixedly arranged on the upper surface of the sealing cover 605, the rotating column 607 can penetrate out of the anaerobic treatment tank 106 in a sealing way in a sealing cylinder 609 in a sealing way, and the sealing cylinder 609 is fixedly arranged on two sides of the integrated tank 1;
The outer surface of the rotation column 607 is fixedly provided with a torsion spring 608, and the outer end of the torsion spring 608 is fixedly connected in the sealing cylinder 609, so that the sealing cylinder 609 can be in torsion and propped against one end of the anaerobic treatment tank 106 to realize sealing closure;
Wherein, a connecting plate 604 is fixedly installed in the anaerobic treatment tank 106, a semi-ring plate 606 is fixedly installed on the lower surface of the connecting plate 604, the semi-ring plate 606 is in sealing fit with the outer surface of a rotating column 607, the connecting plate 604 is in a rotating sealing shape through a rotating connection part between the semi-ring plate 606 and a sealing cylinder 609, and the connecting plate 604 can perform sealing operation on the anaerobic treatment tank 106 through the torsion closure of the sealing cylinder 609;
The jointing between the connecting plate 604 and the sealing cover 605 can form a sewage drain channel with the guide plate 104, when the sealing cover 605 seals the anaerobic treatment tank 106 in a closed manner, the scum in the aeration tank 101 can be pushed in, and when the sealing cover 605 is propped open by the propping plate 610, the sludge formed in the anaerobic treatment tank 106 can be pushed into the sewage drain channel and flows into the storage box 105.
Through the design of the electric push rod 201, the connecting arm 202, the sieve plate 203, the sealing slide plate 204, the first motor 601, the threaded rod 602, the scraper plate 603, the sealing cover 605, the torsion spring 608 and the sealing cylinder 609, when livestock and poultry wastewater is treated, solid matters and liquid in the wastewater can be separated by the sieve plate 203 in the funnel cylinder 205, excrement, feed residues, feathers and the like in the solid matters can stay on the upper surface of the sieve plate 203 for preliminary filtration, the wastewater can enter the anaerobic treatment tank 106 through the holes and the communication ports 107 of the sieve plate 203, then the electric push rod 201 can be started to push the sealing slide plate 204 to carry out sliding sealing on the communication ports 107, so that a sealed anaerobic environment can be formed in the anaerobic treatment tank 106, and under the anaerobic condition, anaerobic microorganisms decompose organic matters in the wastewater through a series of complex biochemical reactions, and the process comprises the following steps:
hydrolysis stage, in which macromolecular organic substances (such as proteins, fats, carbohydrates) are decomposed into smaller molecules such as amino acids, fatty acids and saccharides by hydrolytic enzymes;
the acidification stage, namely, the micromolecular organic matter is further converted into volatile fatty acid (such as acetic acid and propionic acid) and intermediate products such as hydrogen, carbon dioxide and the like by acidizing bacteria;
An acetylation stage, namely, the acidification product is converted into acetic acid, hydrogen and carbon dioxide by acetic acid bacteria;
The methanation stage, namely converting acetic acid and hydrogen into methane (CH 4) and carbon dioxide (CO 2) by methane bacteria to finish the final conversion of organic matters, and then starting a first water pump 103 to pump wastewater into an aeration tank 101;
the anaerobic bacteria can obtain energy by decomposing organic matters in the wastewater in an anaerobic environment, the metabolic activity of the microorganisms not only decomposes the organic matters, but also can generate microbial cell bodies, the propagation and growth of the microorganisms can lead to a large amount of cell volume increase, solid residues, namely sludge, can be formed by the microbial cells and the organic matters which are not decomposed, the generated sludge can drive the scraper plate 603 to scrape the sludge deposited at the bottom of the anaerobic treatment tank 106 by starting the first motor 601 to drive the threaded rod 602, the scraper plate 603 can drive the top contact plate 610 fixedly mounted on the upper surface to contact one end of the sealing cover 605 along with the continuous pushing of the scraper plate 603, the sealing cover 605 can drive the torsion spring 608 to rotate in the sealing cover 609 through the rotating column 607, the sealing cover 605 can be overturned, the sludge pushed by the scraper plate 603 can be pushed into the pushing channel to be guided into the storage box 105 to be concentrated and collected, and then the first motor 601 can be started again to drive the threaded rod 603 to automatically contact the scraper plate 603 to be closed by the torsion spring 608.
As shown in fig. 7, the air supply mechanism 5 comprises an air pump 501, a ball valve pipe 502 is installed at the air outlet of the air pump 501 in a communicating manner, the other end of the ball valve pipe 502 is installed in the aeration tank 101 in a communicating manner, an aeration pipe 503 is installed at one end of the ball valve pipe 502 in the aeration tank 101 in a communicating manner, and the aeration pipe 503 is located in the aeration tank 101.
The aeration pipe 503 can introduce air bubbles into the aeration tank 101 after compressing the air, oxygen in the air bubbles is dissolved in water, the content of dissolved oxygen in the water is increased, the aerobic microorganisms decompose organic pollutants in the wastewater by utilizing the oxygen dissolved in the water, the purpose of aerobic treatment is achieved, and under the condition of sufficient oxygen, the microorganisms can further decompose the residual organic matters in the wastewater to generate water and carbon dioxide, so that the organic pollutants in the water can be greatly reduced.
The scraping mechanism 3 comprises two groups of abutting plates 301, the two groups of abutting plates 301 are fixedly arranged on the upper surface of the aeration tank 101, a transmission column 303 is rotatably arranged between the two groups of abutting plates 301, a second motor 302 is fixedly arranged at one end of the abutting plate 301, an output shaft of the second motor 302 penetrates through the abutting plates 301 to be fixedly connected with the transmission column 303, a transmission belt 304 is sleeved on the outer surfaces of the two groups of transmission columns 303, a scraping plate 305 is fixedly arranged between the transmission belts 304, and the scraping plate 305 can scrape and sweep floating slag rising in waste water in the aeration tank 101 into a sewage disposal channel formed between the guide plate 104 and a discharge end of the sludge treatment mechanism 6.
By the design of the air pump 501, the ball valve pipe 502, the aeration pipe 503, the second motor 302, the transmission column 303, the transmission belt 304 and the scraping plate 305, after the wastewater enters the aeration tank 101, the air pump 501 is started to supply oxygen or air into the aeration pipe 503, the aeration pipe 503 can supply oxygen or air into the aeration tank 101, so that the wastewater can be further decomposed into water and carbon dioxide by microorganisms under the aerobic condition, the further purification of the wastewater is realized, the organic pollutants in the water can be greatly reduced, the Chemical Oxygen Demand (COD) and the Biochemical Oxygen Demand (BOD) are reduced, in the aeration tank 101, the sludge formed by the microorganisms and the organic matters in the process of decomposing the organic matters is granular, the granular matters are attached by the bubbles in the aeration tank 101, the sewage treatment device has the advantages that the sewage treatment device floats on the surface, the transmission belt 304 on the outer surface of the transmission column 303 of the second motor 302 can be started to transmit, the transmission belt 304 can drive the scraping plate 305 in between to scrape and sweep the surface floating sludge into the sewage drainage channel formed between the guide plate 104 and the connecting plate 604, the sewage drainage channel can guide the sludge into the storage box 105 for centralized collection, anaerobic and aerobic treatment operation on the wastewater is realized, the anaerobic treatment can effectively reduce Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD) in the wastewater, the aerobic treatment can further remove residual organic matters and ammonia nitrogen, and the nitrogen in the wastewater can be effectively removed through nitrification and denitrification under the aerobic condition, and in addition, the aerobic treatment can also help to remove part of phosphorus.
As shown in fig. 8, the fine suspended matter filtering mechanism 4 comprises a second water pump 401, the second water pump 401 is fixedly arranged at one end of the integrated tank 1, a water pumping port of the second water pump 401 is communicated with the inside of the aeration tank 101, a water discharging port of the second water pump 401 penetrates through the installation room 102 and is communicated with an ultrafiltration membrane 402, and the ultrafiltration membrane 402 is fixedly arranged in the installation room 102.
The ultrafiltration membranes 402 in the installation room 102 are connected in series through the communicating pipe 403, and the communicating pipe 403 penetrates out of the integrated tank 1 from the installation room 102.
Through the design of the second water pump 401, the ultrafiltration membrane 402 and the communicating pipe 403, the treated wastewater in the aeration tank 101 can be pumped into a plurality of groups of ultrafiltration membranes 402 in the installation room 102 by the second water pump 401, suspended matters in the wastewater can be removed under the filtration of the plurality of groups of ultrafiltration membranes 402, so that the effluent is clearer, the wastewater after fine filtration can be disinfected by ultraviolet rays, chlorine gas or ozone, pathogenic microorganisms such as bacteria and viruses in the wastewater are effectively killed, emission or recycling standards can be met, and a high-quality water treatment effect is achieved.
According to the technical scheme, when livestock and poultry wastewater is treated, the wastewater can be poured into the funnel 205, the sieve 203 in the funnel 205 separates solid matters from liquid, excrement, feed residues, feathers and the like in the solid matters are remained on the upper surface of the sieve 203 for preliminary filtration, the wastewater enters the anaerobic treatment tank 106 through the holes of the sieve 203 and the communication port 107, then the electric push rod 201 can be started to push the sealing slide plate 204 to carry out sliding sealing on the communication port 107, so that a sealed anaerobic environment can be formed in the anaerobic treatment tank 106, and under the anaerobic condition, anaerobic microorganisms decompose organic matters in the wastewater through a series of complex biochemical reactions, and the process comprises the following steps:
hydrolysis stage, in which macromolecular organic substances (such as proteins, fats, carbohydrates) are decomposed into smaller molecules such as amino acids, fatty acids and saccharides by hydrolytic enzymes;
the acidification stage, namely, the micromolecular organic matter is further converted into volatile fatty acid (such as acetic acid and propionic acid) and intermediate products such as hydrogen, carbon dioxide and the like by acidizing bacteria;
An acetylation stage, namely, the acidification product is converted into acetic acid, hydrogen and carbon dioxide by acetic acid bacteria;
Methanation: acetic acid and hydrogen are converted into methane (CH 4) and carbon dioxide (CO 2) by methane bacteria to finish final conversion of organic matters, then the first water pump 103 can be started to pump the wastewater into the aeration tank 101, the air pump 501 can be started to supply oxygen or air into the aeration pipe 503 after the wastewater enters the aeration tank 101, the aeration pipe 503 can supply oxygen or air into the aeration tank 101, the wastewater can be further decomposed into water and carbon dioxide by utilizing microorganisms under aerobic conditions, further purification of the wastewater is realized, organic pollutants in the water can be greatly reduced, chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) are reduced, and in the aeration tank 101, the sludge formed by combining the microorganisms and the organic matters is granular in the process of decomposing the organic matters, the granular substances are adhered by bubbles in the aeration tank 101, so that the granular substances float on the surface, a driving belt 304 on the outer surface of a driving column 303 of a second motor 302 can be started to drive a scraping plate 305 between the driving belt 304 and the driving belt can scrape surface floating sludge into a sewage disposal channel formed between a guide plate 104 and a connecting plate 604, the sewage disposal channel can guide the sludge into a storage box 105 for centralized collection, the treated wastewater in the aeration tank 101 can be pumped into a plurality of groups of ultrafiltration membranes 402 of an installation room 102 by a second water pump 401, suspended substances in the wastewater can be removed under the filtration of the plurality of groups of ultrafiltration membranes 402, so that the discharged water is clearer, and the finely filtered wastewater can be disinfected by ultraviolet rays, chlorine or ozone to ensure that pathogenic microorganisms such as bacteria and viruses in the wastewater are effectively killed, can meet the emission or recycling standard and achieve the high-quality water treatment effect.
In sum, the treatment system integrates anaerobic treatment and aerobic treatment, can save occupied space, can reduce construction and operation costs, can intensively collect filtered solid matters such as feces, feed residues, feathers and the like, can prevent the solid matters from affecting water flow, and ensures uniformity and stability of the whole treatment process.
None of the inventions are related to the same or are capable of being practiced in the prior art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The livestock wastewater treatment system is characterized by comprising an integrated tank (1), wherein an anaerobic treatment tank (106), an aeration tank (101) and an installation room (102) are arranged on the upper surface of the integrated tank (1), a communication port (107) is arranged on the upper surface of the anaerobic treatment tank (106), the communication port (107) can be sealed and sliding cover by a preliminary filtering mechanism (2), the preliminary filtering mechanism (2) is slidably arranged on the upper surface of the anaerobic treatment tank (106), a sludge treatment mechanism (6) is slidably arranged in the anaerobic treatment tank (106), the sludge treatment mechanism (6) can push sludge to prop the discharge end of the sludge treatment mechanism (6) into a guide plate (104), a sewage drainage channel can be formed between the guide plate (104) and the discharge end of the sludge treatment mechanism (6), the sewage drainage channel can be used for pushing the sludge generated in the anaerobic treatment tank (106) into the sewage drainage channel and sliding into a storage box (105), and the sludge treatment mechanism (6) is fixedly arranged on the lower surface of the integrated tank (1);
The device comprises an aeration tank (101), wherein a scraping mechanism (3) is fixedly arranged on the upper surface of the aeration tank (101), the scraping mechanism (3) can scrape scum generated in the aeration tank (101) into a sewage disposal channel to enter a storage box (105), an air supply mechanism (5) is fixedly arranged in the aeration tank (101), and the air supply mechanism (5) can convey air and oxygen into the aeration tank (101);
The device is characterized in that a fine suspended matter filtering mechanism (4) is fixedly arranged in the installation room (102), and the fine suspended matter filtering mechanism (4) can pump wastewater treated in the aeration tank (101) into the fine suspended matter filtering mechanism (4).
2. The livestock wastewater treatment system according to claim 1, wherein a first water pump (103) is fixedly arranged at one end of the integrated tank (1), a water pumping port of the first water pump (103) is communicated into the anaerobic treatment tank (106), and a water outlet of the first water pump (103) is communicated into the aeration tank (101).
3. A livestock wastewater treatment system according to claim 1, wherein the preliminary filtering mechanism (2) comprises a sealing slide plate (204), the sealing slide plate (204) is slidably mounted on the upper surface of the anaerobic treatment tank (106), a funnel barrel (205) is fixedly mounted on the upper surface of the sealing slide plate (204), a sieve plate (203) is fixedly mounted in an outlet of the funnel barrel (205), and the sieve plate (203) can be communicated with the communication port (107) through the sliding of the sealing slide plate (204) so that solid matters in wastewater, including livestock manure, feed residues and feathers, can be separated from liquid through the sieve plate (203) in the funnel barrel (205) for pretreatment.
4. The livestock wastewater treatment system according to claim 3, wherein the connecting arms (202) are fixedly arranged on two sides of the funnel (205), the connecting arms (202) are fixedly arranged at one end of a piston rod of the electric push rod (201), the electric push rod (201) is fixedly arranged on two sides of the integrated tank (1), the electric push rod (201) can drive the sealing slide plate (204) to cover the upper surface of the communication port (107) in a sealing manner through a full-stroke pushing piston rod, so that a sealing anaerobic environment is formed in the anaerobic treatment tank (106), and microorganisms can decompose organic matters into methane and carbon dioxide, and the generated methane is recycled as energy, thereby achieving the purpose of anaerobic treatment.
5. The livestock wastewater treatment system according to claim 1, wherein the sludge treatment mechanism (6) comprises a first motor (601), the first motor (601) is fixedly arranged at one end of the integrated tank (1), an output shaft of the first motor (601) penetrates into the anaerobic treatment tank (106) in a sealing mode and is fixedly provided with a threaded rod (602), a scraper plate (603) is in threaded transmission on the outer surface of the threaded rod (602), the scraper plate (603) is slidably arranged on the inner lower surface of the anaerobic treatment tank (106), a top contact plate (610) is fixedly arranged on the upper surface of the scraper plate (603), the top contact plate (610) can push a sealing cover (605) to be overturned and unfolded, a rotating column (607) is fixedly arranged on the upper surface of the sealing cover (605), the rotating column (607) can penetrate out of the anaerobic treatment tank (106) in a sealing mode and is rotatably arranged in a sealing cylinder (609), and the sealing cylinder (609) is fixedly arranged on two sides of the integrated tank (1);
The outer surface of the rotating column (607) is fixedly provided with a torsion spring (608), and the outer end of the torsion spring (608) is connected in the sealing cylinder (609), so that the sealing cylinder (609) can be in torsion contact with one end of the anaerobic treatment tank (106) to realize sealing closure;
The anaerobic treatment tank (106) is internally and fixedly provided with a connecting plate (604), the lower surface of the connecting plate (604) is fixedly provided with a semi-ring disc (606), the semi-ring disc (606) is in sealing fit with the outer surface of a rotating column (607), the connecting plate (604) is in a rotating sealing shape through a rotating connection part between the semi-ring disc (606) and a sealing cylinder (609), and the connecting plate (604) can carry out sealing operation on the anaerobic treatment tank (106) through the torsion closing of the sealing cylinder (609);
The splicing between the connecting plate (604) and the sealing cover (605) can form a sewage drain channel with the guide plate (104), when the sealing cover (605) seals the anaerobic treatment tank (106) in a closed mode, scum in the aeration tank (101) can be pushed in, and when the sealing cover (605) is propped and opened by the propping plate (610), sludge formed in the anaerobic treatment tank (106) can be pushed into the sewage drain channel and flows into the storage box (105).
6. The livestock wastewater treatment system according to claim 1, wherein the air supply mechanism (5) comprises an air pump (501), a ball valve pipe (502) is installed at the air outlet of the air pump (501) in a communicating manner, the other end of the ball valve pipe (502) is installed in the aeration tank (101) in a communicating manner, an aeration pipe (503) is installed at one end of the ball valve pipe (502) in the aeration tank (101) in a communicating manner, and the aeration pipe (503) is located in the aeration tank (101).
7. The livestock wastewater treatment system according to claim 6, wherein the aeration pipe (503) can compress air and then introduce air bubbles into the aeration tank (101), oxygen in the air bubbles is dissolved in water, the dissolved oxygen content in the water is increased, and aerobic microorganisms decompose organic pollutants in the wastewater by utilizing the oxygen dissolved in the water, so that the purpose of aerobic treatment is achieved, and under the condition of sufficient oxygen, the microorganisms can further decompose the residual organic matters in the wastewater to generate water and carbon dioxide, so that the organic pollutants in the water can be greatly reduced.
8. The livestock wastewater treatment system according to claim 1, wherein the scraping mechanism (3) comprises two groups of abutting plates (301), the two groups of abutting plates (301) are fixedly arranged on the upper surface of the aeration tank (101), a transmission column (303) is rotatably arranged between the two groups of abutting plates (301), a second motor (302) is fixedly arranged at one end of the abutting plates (301), an output shaft of the second motor (302) penetrates through the abutting plates (301) and is fixedly connected with the transmission column (303), a transmission belt (304) is sleeved on the outer surface of the two groups of transmission columns (303), a scraping plate (305) is fixedly arranged between the transmission belt (304), and the scraping plate (305) can scrape floating slag rising in wastewater in the aeration tank (101) into a sewage drainage channel formed between the guide plate (104) and a discharge end of the sludge treatment mechanism (6).
9. The livestock wastewater treatment system according to claim 1, wherein the fine suspended matter filtering mechanism (4) comprises a second water pump (401), the second water pump (401) is fixedly arranged at one end of the integrated tank (1), a water pumping port of the second water pump (401) is communicated with the aeration tank (101), a water discharging port of the second water pump (401) penetrates through the installation room (102) and is communicated with the ultrafiltration membrane (402), and the ultrafiltration membrane (402) is fixedly arranged in the installation room (102).
10. A livestock wastewater treatment system according to claim 9, wherein a plurality of groups of ultrafiltration membranes (402) in the installation room (102) are connected in series through a communicating pipe (403), and the communicating pipe (403) penetrates out of the integration pool (1) from the installation room (102).
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| CN119038796B (en) | 2025-04-04 |
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