CN112279374A - Organic wastewater and sewage treatment equipment and sewage treatment method - Google Patents
Organic wastewater and sewage treatment equipment and sewage treatment method Download PDFInfo
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- CN112279374A CN112279374A CN202010958255.4A CN202010958255A CN112279374A CN 112279374 A CN112279374 A CN 112279374A CN 202010958255 A CN202010958255 A CN 202010958255A CN 112279374 A CN112279374 A CN 112279374A
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- biological filler
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/302—Nitrification and denitrification treatment
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an organic wastewater and sewage treatment device and a sewage treatment method, wherein the sewage treatment device comprises a box body, the top of the box body is fixedly connected with a motor, the output shaft of the motor is fixedly connected with the top end of a transmission shaft, the outer side of the box body is fixedly connected with a gas collecting cylinder, the inner side of the gas collecting cylinder is rotatably connected with a vertically arranged rotating shaft, the top end of the transmission shaft and the top end of the rotating shaft are respectively and fixedly sleeved with a large belt wheel and a small belt wheel, the large belt wheel and the small belt wheel are in transmission connection with the same triangular belt, the outer side of the transmission shaft is fixedly connected with a plurality of groups of stirring blades positioned in. The biological filler rod is reasonable in design, sewage is fully stirred to be fully contacted with the biological filler rod, the oxygen content of the sewage can be increased, the functions of sewage denitrification and decomposition of organic matters in the sewage are realized, the biological filler rod can be backwashed, cleaned and recycled without being disassembled, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of organic sewage treatment, in particular to organic wastewater and sewage treatment equipment and a sewage treatment method.
Background
The organic wastewater is wastewater mainly containing organic pollutants, is easy to cause water eutrophication, and has large harm, and the organic wastewater generally refers to wastewater with the organic pollutants discharged by industries such as paper making, leather, food and the like being more than 2000mg/L, and is searched. Chinese patent application publication No. CN110540328A discloses an organic wastewater and sewage treatment apparatus and a sewage treatment method, comprising an adsorption component and a disinfection component, wherein the adsorption component comprises an adsorption tank, a water inlet pipe, an electromagnetic valve, a partition plate, pulverized coal, resin, activated carbon, a metal mesh basket, a cover plate and a controller, the disinfection component comprises a disinfection tank, an ultraviolet lamp, a drain pipe and a flowmeter, through setting up the first storehouse of adsorbing, the second adsorbs the storehouse, the third adsorbs the storehouse for adsorption treatment sewage, first adsorb the storehouse, the second adsorbs the storehouse, be provided with the buggy in the third adsorbs the storehouse respectively, resin and active carbon, at first utilize the buggy, the organic matter of resin in to the waste water coagulates the absorption, handle through the active carbon at last, the adsorption effect is good, the treatment effeciency is high, the change frequency of active carbon has also been reduced, the maintenance cost is reduced, the design has the characteristics that the treatment effect is good, the treatment effeciency is high.
However, in the prior art, organic matters and nitrogen oxides in organic wastewater and sewage are inconvenient to decompose and remove effectively, and the maintenance cost is high, which is not beneficial to use, so that an organic wastewater and sewage treatment device and a sewage treatment method are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides an organic wastewater and sewage treatment device and a sewage treatment method.
In order to achieve the purpose, the invention adopts the following technical scheme:
an organic wastewater and sewage treatment device comprises a box body, wherein a motor is fixedly connected to the top of the box body, the top end of a transmission shaft is fixedly connected to an output shaft of the motor, a gas collecting cylinder is fixedly connected to the outer side of the box body, a vertically arranged rotating shaft is rotatably connected to the inner side of the gas collecting cylinder, a large belt wheel and a small belt wheel are respectively fixedly sleeved on the top end of the transmission shaft and the top end of the rotating shaft, the large belt wheel and the small belt wheel are in transmission connection with a same triangular belt, a plurality of groups of stirring blades in the box body are fixedly connected to the outer side of the transmission shaft, an auger is fixedly sleeved on the outer side of the rotating shaft, one end of a bent pipe is fixedly communicated with the bottom end of the gas collecting cylinder, the other end of the bent pipe extends into the box body and is fixedly connected with a gas distribution pipe, the same bent plate is fixedly connected to the, the bottom of box is fixed the intercommunication has the blow off pipe, the fixed intercommunication in the outside of return bend has the filling tube, the fixed intercommunication in the outside of filling tube has the one end of a plurality of recoil pipes, the other end of recoil pipe extends to in the box, the outside of recoil pipe is fixed to be cup jointed biological filler stick and rubber end cap, the activity of rubber end cap is cup jointed on the inner wall of box, all be provided with the stop valve on the both ends of filling tube and the return bend.
Preferably, the outside of the backflushing pipe is provided with a plurality of groups of flushing ports, and the top side of the gas distribution pipe is provided with a plurality of groups of gas distribution ports.
Preferably, the top and the bottom of box are provided with inlet tube and drain pipe respectively, all be provided with the valve on blow off pipe, inlet tube and the drain pipe.
Preferably, the top of the outer side of the rotating shaft is rotatably connected with one end of a limiting rod, and the other end of the limiting rod is fixedly connected to the gas collecting cylinder.
Preferably, the bottom of the outer side of the transmission shaft is fixedly sleeved with an inner ring of a bearing, and an outer ring of the bearing is fixedly connected to the front side of the gas distribution pipe.
Preferably, the top of the box body is provided with a rack, and the motor is fixedly connected to the rack through bolts.
Preferably, the outer side of the box body is provided with a plurality of groups of mounting holes, and the rubber plugs are in interference fit with the corresponding mounting holes.
The invention also provides an organic wastewater and sewage treatment method, which comprises the following steps:
step S1: the top end of the injection pipe is used for connecting tap water, a valve on the water inlet pipe is opened, organic wastewater and sewage are introduced into the box body, anaerobic bacteria grow inside the biological filler rod, aerobic bacteria grow outside the biological filler rod, the motor is started, the motor drives the transmission shaft, the large belt wheel and the stirring blade to rotate and stir the sewage in the box body, the sewage is fully stirred and contacts with the microbial bacteria on the biological filler rod, the anaerobic bacteria growing inside the biological filler rod and the sewage generate denitrification effect to remove nitrogen, and when the sewage is stirred, large-particle impurities contained in the sewage are intercepted by the partition net, and the large-particle impurities are accumulated on the front side of the partition net and gradually enter the sewage discharge pipe;
step S2: opening a stop valve on the bent pipe, driving the small belt wheel, the rotating shaft and the packing auger to rotate at a high speed by the large belt wheel through the triangular belt, inputting air in the gas collecting cylinder into the gas distribution pipe through the bent pipe when the packing auger rotates, blowing the air into sewage by the gas distribution pipe to increase the oxygen content of the sewage, and decomposing aerobic bacteria growing outside the biological filler rod to remove organic matters in the sewage;
step S3: after sewage treatment finishes, open the valve on the drain pipe, can discharge the sewage after the purification, open the stop valve on the blow off pipe and can discharge filterable debris, if the biological filler rod blocks up, open the stop valve of filling tube bottom, inside the air can enter into biological filler rod, open the stop valve on filling tube top, inside running water gets into biological filler rod, can dredge the plug on the biological filler rod, need not to dismantle the clearance, but biological filler rod manifold cycles uses.
Compared with the prior art, the invention provides an organic wastewater and sewage treatment device and a sewage treatment method, which have the following beneficial effects:
(1) organic wastewater and sewage are introduced into the box body, the transmission shaft, the large belt wheel and the stirring blade are driven by the motor to rotate and stir the sewage in the box body, anaerobic bacteria growing inside the biological filler rod and the sewage generate denitrification for denitrification, and when the sewage is stirred, large-particle impurities are intercepted by the separation net and are accumulated on the front side of the separation net and gradually enter the sewage discharge pipe;
(2) the stop valve on the elbow is opened, the auger is driven by the large belt pulley to rotate at a high speed, the auger rotates to blow air in the gas collecting cylinder into sewage through the elbow and the gas distribution pipe, the oxygen content of the sewage is increased, and aerobic bacteria growing outside the biological filler rod decompose and remove organic matters in the sewage;
(3) the purified sewage is discharged by opening the valve on the drain pipe, the filtered impurities are discharged by opening the stop valves on the drain pipe, air and tap water enter the biological filler rod by opening the stop valves at the two ends of the injection pipe, and the plug on the biological filler rod is dredged without being detached and cleaned, so that the biological filler rod can be recycled for multiple times;
the biological filler rod is reasonable in design, sewage is fully stirred to be fully contacted with the biological filler rod, the oxygen content of the sewage can be increased, the functions of sewage denitrification and decomposition of organic matters in the sewage are realized, the biological filler rod can be backwashed, cleaned and recycled without being disassembled, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic structural view of an organic wastewater and sewage treatment plant according to the present invention;
FIG. 2 is a sectional view of an organic wastewater and sewage treatment apparatus according to the present invention;
FIG. 3 is a schematic structural view of part A of an organic wastewater and sewage treatment plant according to the present invention;
FIG. 4 is a schematic structural view of part B of an organic wastewater and sewage treatment plant according to the present invention;
FIG. 5 is a P-P cross-section structure schematic diagram of the box body, the bent plate, the separation net and the sewage discharge pipe provided by the invention.
In the figure: 1. a box body; 2. a motor; 3. a drive shaft; 4. stirring blades; 5. a gas collecting cylinder; 6. a rotating shaft; 7. a large belt pulley; 8. a small belt pulley; 9. a V-belt; 10. a packing auger; 11. bending the pipe; 12. an air distribution pipe; 13. bending a plate; 14. separating the net; 15. a blow-off pipe; 16. back flushing the pipe; 17. a bio-filler rod; 18. a rubber plug; 19. flushing the opening; 20. an injection pipe; 21. a stop valve; 22. a frame; 23. a drain pipe; 24. a water inlet pipe; 25. a valve; 26. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an organic wastewater and sewage treatment device comprises a box body 1, a motor 2 is fixedly connected to the top of the box body 1, the top end of a transmission shaft 3 is fixedly connected to an output shaft of the motor 2, a gas collecting cylinder 5 is fixedly connected to the outer side of the box body 1, a vertically arranged rotating shaft 6 is rotatably connected to the inner side of the gas collecting cylinder 5, the top end of the transmission shaft 3 and the top end of the rotating shaft 6 are respectively and fixedly sleeved with a large belt pulley 7 and a small belt pulley 8, the large belt pulley 7 and the small belt pulley 8 are in transmission connection with a same triangular belt 9, the outer side of the transmission shaft 3 is fixedly connected with a plurality of groups of stirring blades 4 positioned in the box body 1, the outer side of the rotating shaft 6 is fixedly sleeved with a packing auger 10, the bottom end of the gas collecting cylinder 5 is fixedly communicated with one end of a bent pipe 11, the other end of the bent pipe 11, fixedly connected with is the same on one side of bent plate 13 and the inner wall of box 1 separates net 14, the fixed intercommunication in bottom of box 1 has blow off pipe 15, the fixed intercommunication in the outside of return bend 11 has filling tube 20, the fixed intercommunication in the outside of filling tube 20 has the one end of a plurality of recoil pipes 16, the other end of recoil pipe 16 extends to in the box 1, fixed bio-packing stick 17 and the rubber end cap 18 of having cup jointed in the outside of recoil pipe 16, the activity of rubber end cap 18 cup joints on the inner wall of box 1, all be provided with stop valve 21 on the both ends of filling tube 20 and the return bend 11.
In this embodiment, the outside of recoil pipe 16 is provided with the multiunit and washes mouth 19, and the top side of gas distribution pipe 12 is provided with multiunit gas distribution mouth, and the top and the bottom of box 1 are provided with inlet tube 24 and drain pipe 23 respectively, all are provided with valve 25 on blow off pipe 15, inlet tube 24 and the drain pipe 23, and the outside top of pivot 6 is rotated and is connected with the one end of gag lever post 26, and the other end fixed connection of gag lever post 26 is on gas cylinder 5.
In this embodiment, the inner ring of the bearing is fixedly sleeved at the bottom of the outer side of the transmission shaft 3, the outer ring of the bearing is fixedly connected to the front side of the air distribution pipe 12, the top of the box body 1 is provided with a frame 22, the motor 2 is fixedly connected to the frame 22 through bolts, a plurality of groups of mounting holes are formed in the outer side of the box body 1, and the rubber plugs 18 are in interference fit with the corresponding mounting holes.
The embodiment also provides an organic wastewater and sewage treatment method, which comprises the following steps:
step S1: the top end of the injection pipe 20 is used for connecting tap water, a valve 25 on a water inlet pipe 24 is opened, organic wastewater and sewage are introduced into the box body 1, anaerobic bacteria grow inside the biological filler rod 17, aerobic bacteria grow outside the biological filler rod 17, the motor 2 is started, the motor 2 drives the transmission shaft 3, the large belt wheel 7 and the stirring blade 4 to rotate and stir the sewage in the box body 1, the sewage is fully stirred and is in contact with microbial bacteria on the biological filler rod 17, the anaerobic bacteria growing inside the biological filler rod 17 and the sewage generate denitrification effect to remove nitrogen, and when the sewage is stirred, large-particle impurities contained in the sewage are intercepted by the separation net 14, and the large-particle impurities are accumulated on the front side of the separation net 14 and gradually enter the sewage discharge pipe 15;
step S2: opening a stop valve 21 on the elbow pipe 11, driving a small belt wheel 8, a rotating shaft 6 and an auger 10 to rotate at a high speed by a large belt wheel 7 through a V-belt 9, inputting air in a gas collecting cylinder 5 into an air distribution pipe 12 through the elbow pipe 11 when the auger 10 rotates, blowing the air into sewage by the air distribution pipe 12 to increase the oxygen content of the sewage, and decomposing aerobic bacteria growing outside a biological filler rod 17 to remove organic matters in the sewage;
step S3: after sewage treatment finishes, open valve 25 on drain pipe 23, can discharge the sewage after the purification, open stop valve 21 on the blow off pipe 15 and can discharge filterable debris, if the biological filler rod 17 appears blockking up, open the stop valve 21 of filling tube 20 bottom, the air can enter into inside the biological filler rod 17, open the stop valve 21 on filling tube 20 top, the running water gets into inside the biological filler rod 17, can dredge the jam on the biological filler rod 17, need not to dismantle the clearance, but biological filler rod 17 manifold cycles uses.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Claims (8)
1. The organic wastewater and sewage treatment equipment comprises a box body (1) and is characterized in that a motor (2) is fixedly connected to the top of the box body (1), the top end of a transmission shaft (3) is fixedly connected to the output shaft of the motor (2), an air collecting cylinder (5) is fixedly connected to the outer side of the box body (1), a vertically-arranged rotating shaft (6) is rotatably connected to the inner side of the air collecting cylinder (5), a large belt wheel (7) and a small belt wheel (8) are respectively and fixedly connected to the top end of the transmission shaft (3) and the top end of the rotating shaft (6), the large belt wheel (7) and the small belt wheel (8) are respectively and movably connected with a same triangular belt (9), a plurality of groups of stirring blades (4) positioned in the box body (1) are fixedly connected to the outer side of the transmission shaft (6), a packing auger (10) is fixedly connected to the outer side of the rotating shaft (6), and the bottom end of the, the other end of the elbow pipe (11) extends into the box body (1) and is fixedly connected with an air distribution pipe (12), the bottom of the gas distribution pipe (12) and the inner wall of the bottom of the box body (1) are fixedly connected with the same bent plate (13), one side of the bent plate (13) and the inner wall of the box body (1) are fixedly connected with the same separation net (14), a sewage discharge pipe (15) is fixedly communicated with the bottom of the box body (1), an injection pipe (20) is fixedly communicated with the outer side of the elbow pipe (11), one end of a plurality of recoil pipes (16) is fixedly communicated with the outer side of the injection pipe (20), the other end of the recoil pipe (16) extends into the box body (1), the outer side of the recoil pipe (16) is fixedly sleeved with a biological filler rod (17) and a rubber plug (18), the rubber plug (18) is movably sleeved on the inner wall of the box body (1), and stop valves (21) are arranged at two ends of the injection pipe (20) and on the bent pipe (11).
2. The organic wastewater and sewage treatment equipment according to claim 1, wherein the outside of the back flushing pipe (16) is provided with a plurality of groups of flushing ports (19), and the top side of the air distribution pipe (12) is provided with a plurality of groups of air distribution ports.
3. The organic wastewater and sewage treatment device according to claim 1, wherein the top and the bottom of the tank body (1) are respectively provided with a water inlet pipe (24) and a water outlet pipe (23), and the sewage discharge pipe (15), the water inlet pipe (24) and the water outlet pipe (23) are respectively provided with a valve (25).
4. The organic wastewater and sewage treatment equipment according to claim 1, wherein the top of the outer side of the rotating shaft (6) is rotatably connected with one end of a limiting rod (26), and the other end of the limiting rod (26) is fixedly connected to the gas collecting cylinder (5).
5. The organic wastewater and sewage treatment equipment according to claim 1, wherein the outer bottom of the transmission shaft (3) is fixedly sleeved with the inner ring of a bearing, and the outer ring of the bearing is fixedly connected with the front side of the gas distribution pipe (12).
6. The organic wastewater and sewage treatment device according to claim 1, wherein a frame (22) is arranged on the top of the box body (1), and the motor (2) is fixedly connected to the frame (22) through bolts.
7. The organic wastewater and sewage treatment equipment according to claim 1, wherein a plurality of groups of mounting holes are formed in the outer side of the box body (1), and the rubber plugs (18) are in interference fit with the corresponding mounting holes.
8. The organic wastewater and sewage treatment method is characterized by comprising the following steps:
step S1: the top end of the injection pipe (20) is used for connecting tap water, a valve (25) on a water inlet pipe (24) is opened, organic wastewater and sewage are introduced into the box body (1), anaerobic bacteria grow inside the biological filler rod (17), aerobic bacteria grow outside the biological filler rod (17), a motor (2) is started, the motor (2) drives a transmission shaft (3), a large belt wheel (7) and a stirring blade (4) to rotate and stir the sewage in the box body (1), the sewage is fully stirred and is in contact with microbial bacteria on the biological filler rod (17), the anaerobic bacteria growing inside the biological filler rod (17) and the sewage generate denitrification effect to denitrify, the sewage is intercepted by the separation net (14) when being stirred, and large-particle impurities contained in the sewage are accumulated on the front side of the separation net (14) and gradually enter the sewage discharge pipe (15);
step S2: opening a stop valve (21) on a bent pipe (11), driving a small belt wheel (8), a rotating shaft (6) and a packing auger (10) to rotate at a high speed by a large belt wheel (7) through a triangular belt (9), inputting air in a gas collecting cylinder (5) into a gas distribution pipe (12) through the bent pipe (11) when the packing auger (10) rotates, blowing the air into sewage by the gas distribution pipe (12) to increase the oxygen content of the sewage, and decomposing aerobic bacteria growing outside a biological filler rod (17) to remove organic matters in the sewage;
step S3: after sewage treatment finishes, open valve (25) on drain pipe (23), can discharge the sewage after the purification, open stop valve (21) on blow off pipe (15) and can discharge filterable debris, if biological filler stick (17) appear blockking up, open stop valve (21) of filling tube (20) bottom, the air can enter into biological filler stick (17) inside, open stop valve (21) on filling tube (20) top, the running water gets into inside biological filler stick (17), can dredge the plug on biological filler stick (17), need not to dismantle the clearance, but biological filler stick (17) manifold cycles uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958255.4A CN112279374A (en) | 2020-09-14 | 2020-09-14 | Organic wastewater and sewage treatment equipment and sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958255.4A CN112279374A (en) | 2020-09-14 | 2020-09-14 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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| CN112279374A true CN112279374A (en) | 2021-01-29 |
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| CN202010958255.4A Pending CN112279374A (en) | 2020-09-14 | 2020-09-14 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603218A (en) * | 2021-08-26 | 2021-11-05 | 同济大学 | A pack reaction system for strengthening anaerobic digestion |
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| EP2274112A1 (en) * | 2008-05-16 | 2011-01-19 | Lee, Myeong Ryul | Food garbage disposer |
| CN106946343A (en) * | 2017-05-03 | 2017-07-14 | 山东毅康科技股份有限公司 | A kind of efficiently backwash BAF |
| CN207845441U (en) * | 2017-12-27 | 2018-09-11 | 王静华 | A kind of primary school's wastewater treatment equipment |
| CN209039274U (en) * | 2018-09-05 | 2019-06-28 | 云南青山碧水环保科技有限公司 | A kind of nitrogen phosphorus ammonia organic waste-water treating apparatus |
| CN211445214U (en) * | 2019-12-27 | 2020-09-08 | 四川上扬环保设备有限公司 | Integrated water purifying equipment for low-concentration polluted water body |
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2020
- 2020-09-14 CN CN202010958255.4A patent/CN112279374A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2274112A1 (en) * | 2008-05-16 | 2011-01-19 | Lee, Myeong Ryul | Food garbage disposer |
| CN106946343A (en) * | 2017-05-03 | 2017-07-14 | 山东毅康科技股份有限公司 | A kind of efficiently backwash BAF |
| CN207845441U (en) * | 2017-12-27 | 2018-09-11 | 王静华 | A kind of primary school's wastewater treatment equipment |
| CN209039274U (en) * | 2018-09-05 | 2019-06-28 | 云南青山碧水环保科技有限公司 | A kind of nitrogen phosphorus ammonia organic waste-water treating apparatus |
| CN211445214U (en) * | 2019-12-27 | 2020-09-08 | 四川上扬环保设备有限公司 | Integrated water purifying equipment for low-concentration polluted water body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603218A (en) * | 2021-08-26 | 2021-11-05 | 同济大学 | A pack reaction system for strengthening anaerobic digestion |
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Application publication date: 20210129 |
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