CN111039502A - Domestic sewage administers and uses environmental protection equipment - Google Patents
Domestic sewage administers and uses environmental protection equipment Download PDFInfo
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- CN111039502A CN111039502A CN201911336104.9A CN201911336104A CN111039502A CN 111039502 A CN111039502 A CN 111039502A CN 201911336104 A CN201911336104 A CN 201911336104A CN 111039502 A CN111039502 A CN 111039502A
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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
- C02F1/40—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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F3/02—Aerobic processes
- C02F3/06—Aerobic processes using submerged filters
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and particularly discloses environment-friendly equipment for treating domestic sewage, which comprises a primary treatment box and a contact oxidation box, wherein a water inlet of a water pump is provided with a water inlet pipe connected with the bottom end of the primary treatment box, and a water outlet of the water pump is provided with a water outlet pipe connected with the bottom end of the contact oxidation box; an oil-water cavity and an oil-free water cavity are arranged inside the primary treatment tank, and a partition plate is fixed between the oil-water cavity and the oil-free water cavity; the upper end of the oil-water cavity is provided with a water-oil separating mechanism, the upper end of the oil-water-free cavity is provided with a slag removing mechanism, and an adsorption component is arranged below the water-oil separating mechanism and the slag removing mechanism; and a contact oxidation mechanism is arranged in the contact oxidation box. The invention can be used in families, reduces the time and cost for the centralized discharge treatment of the wastewater through the drain pipe, and can directly carry out secondary utilization on the treated sewage, thereby improving the utilization rate of water resources in families and reducing the waste of water resources.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to environment-friendly equipment for domestic sewage treatment.
Background
70.8% of the earth's surface is water, and the area covered by water is about 3.61 billion square kilometers, however, fresh water resources account for only 3% of water resources, and thus, the water resources available and drinkable by humans are very limited. Along with the use of fresh water, unreasonable waste and pollution of human activities to water resources, the problem of fresh water resource shortage is increasingly obvious, in order to relieve water resource fatigue, people begin to treat sewage to reach the discharge standard and avoid the pollution to the water body, and different sewages can be recycled after being treated.
Domestic sewage among the prior art mostly discharges in the sewer pipe through the drain pipe is unified, concentrates on sewage treatment plant to handle, and such treatment process flow is long, leads to sewage quality of water to worsen more seriously, and the treatment cost is high, consequently, designs a small-size domestic sewage treatment device that can use in the family and has the important meaning to sewage treatment.
Disclosure of Invention
The invention aims to provide environment-friendly equipment for treating domestic sewage, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly device for domestic sewage treatment comprises a primary treatment box and a contact oxidation box, wherein a water inlet of a water pump is provided with a water inlet pipe connected with the bottom end of the primary treatment box, and a water outlet of the water pump is provided with a water outlet pipe connected with the bottom end of the contact oxidation box;
an oil-water cavity and an oil-free water cavity are arranged inside the primary treatment tank, and a partition plate is fixed between the oil-water cavity and the oil-free water cavity;
the upper end of the oil-water cavity is provided with a water-oil separating mechanism, the upper end of the oil-water-free cavity is provided with a slag removing mechanism, and an adsorption component is arranged below the water-oil separating mechanism and the slag removing mechanism;
and a contact oxidation mechanism is arranged in the contact oxidation box.
As a further scheme of the invention: the top end of the primary treatment box is provided with a three-way branch pipe, two branch pipe ports of the three-way branch pipe are respectively connected with the top ends of the oil-water cavity and the oil-water-free cavity, and two branch pipes of the three-way branch pipe are respectively provided with a one-way valve;
and the top end of the three-way branch pipe is provided with a joint.
As a further scheme of the invention: the water-oil separating mechanism comprises a first mounting plate and a second mounting plate, the first mounting plate is fixed on the inner wall of the front side of the oil-water cavity, the second mounting plate is fixed on the inner wall of the rear side of the oil-water cavity, and sliding rails are arranged on the opposite surfaces of the first mounting plate and the second mounting plate;
a motor is installed on the outer wall of the first installation plate, a first pulley is sleeved on an output shaft of the motor, the first pulley is fixedly connected with a second pulley through a rotating shaft, and the first pulley and the second pulley are both installed in a sliding rail in a sliding mode;
a through groove is formed in the first mounting plate;
and an oil suction roller is sleeved on the surface of the rotating shaft.
As a further scheme of the invention: the water-oil separating mechanism comprises a compressed air machine, an air pipe is arranged at an air outlet of the compressed air machine, and the other end of the air pipe is connected with a branch pipe at the top end of the oil-water cavity.
As a further scheme of the invention: the slag discharging mechanism comprises a pressing plate, two ends of the pressing plate are slidably mounted in grooves formed in the left inner wall and the right inner wall of the oil-free water cavity, a first electric push rod is mounted at the top end of each groove, and the bottom end of each first electric push rod is fixed on the upper surface of the pressing plate;
the pressing plate is provided with a through hole, and the diameter of the through hole is the same as that of the branch pipe of the three-way branch pipe.
As a further scheme of the invention: the adsorption component comprises a screen, the screen is respectively positioned under the first mounting plate and the pressing plate, and an adsorption layer is arranged below the screen.
As a further scheme of the invention: the upper surface of screen cloth is equipped with the subassembly of slagging tap, the subassembly of slagging tap includes second electric putter, second electric putter's top is fixed with the push pedal, it is equipped with the slag notch on the relative lateral wall of subassembly of slagging tap.
As a further scheme of the invention: the contact oxidation mechanism comprises a filler arranged in the contact oxidation box, the bottom end of the filler is provided with a grating, the top end of the contact oxidation box is provided with a water pump, an air outlet of the water pump is provided with an air outlet pipe, and the air outlet pipe is connected with an aeration pipe arranged at the bottom end of the grating;
the pipe orifice of the water outlet pipe is positioned at the bottom end of the aeration pipe;
the upper end of the contact oxidation box is provided with a water outlet, and the bottom end of the contact oxidation box is provided with a sludge outlet.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the environment-friendly equipment for treating the domestic sewage, the three-way branch pipe is connected with the sewer pipeline through the joint, the domestic sewage is convenient to pour into the equipment, when oily sewage is discharged, the one-way valve on the branch pipe at the top end of the oil-free water cavity is closed, the one-way valve on the branch pipe at the top end of the oil-free water cavity is opened, when the oily sewage is discharged, reverse operation is carried out, and sewage with different properties can be ensured to enter different treatment cavities;
2. after the oily wastewater is discharged into an oily water cavity together with compressed air, oil stains float on the upper layer due to the light weight of oil, after standing and layering, a motor is started, the motor drives a first pulley to rotate and drives a second pulley to rotate, the first pulley and the second pulley roll in a sliding rail, and an oil suction roller adsorbs and removes the oil stains in the rolling process, so that the effect of oil-water separation is achieved;
3. in the oily water cavity, rice residues, vegetable residues and the like can be intercepted through the screen, peculiar smell can be removed through the adsorption layer, in the oily water cavity, rice grains, vegetable leaves, tea leaves and the like are intercepted through the screen and left on the upper surface of the screen, the first electric push rod is started, the first electric push rod pushes the pressing plate to descend and press on the upper surface of the screen, vegetable leaves, tea leaves and the like with large occupied area can be extruded, sewage is adsorbed through the adsorption layer, the treatment effect is improved, the second electric push rod is started, and the second electric push rod pushes the pushing plate to push the slag outlet, so that residues on the screen are pushed out from the slag outlet, and the normal filtering function of the screen is ensured;
5. the contact oxidation box is filled with filler, aeration and oxygenation are carried out at the bottom of the filler through a water pump, air can entrain wastewater to be treated from bottom to top and freely passes through the filler part to reach the upper end, after the air escapes, the wastewater returns to the bottom from top to bottom among the filler, activated sludge is attached to the surface of the filler and cannot flow along with the water, and the biomembrane is directly stirred by the updraft strongly and is continuously updated, so that the purification effect is improved, finally, clear water is discharged from a water outlet, and sludge is discharged from a sludge outlet.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic view showing the construction of an environmental protection apparatus for treating domestic sewage.
FIG. 2 is a schematic view showing a structure of a water-oil separating mechanism in the environmental protection apparatus for treating domestic sewage.
FIG. 3 is a side view of a water oil separating mechanism in the environmental protection apparatus for treating domestic sewage.
FIG. 4 is a schematic view showing the external structure of a primary treatment tank in the environmental protection apparatus for treating domestic sewage.
FIG. 5 is a side view of a tapping module in the eco-friendly apparatus for treating domestic sewage.
FIG. 6 is a side view of a contact oxidation tank in the environmental protection apparatus for treating domestic sewage.
In the figure: 1-primary treatment tank, 2-contact oxidation tank, 3-partition, 4-joint, 5-three-way branch pipe, 6-one-way valve, 7-compressed air machine, 8-air pipe, 9-first mounting plate, 10-second mounting plate, 11-slide rail, 12-through groove, 13-motor, 14-first pulley, 15-second pulley, 16-rotating shaft, 17-oil suction roller, 18-screen, 19-adsorption layer, 20-groove, 21-first electric push rod, 22-pressing plate, 23-through hole, 24-slag outlet, 25-second electric push rod, 26-push plate, 27-water pump, 28-water inlet pipe, 29-water outlet pipe, 30-blower, 31-air outlet pipe, 32-aeration pipe, 33-a grid, 34-a filler, 35-a water outlet and 36-a mud outlet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, in the embodiment of the present invention, an environmental protection device for domestic sewage treatment includes a primary treatment tank 1 and a contact oxidation tank 2, a water inlet of a water pump 27 is provided with a water inlet pipe 28 connected to the bottom end of the primary treatment tank 1, and a water outlet of the water pump 27 is provided with a water outlet pipe 29 connected to the bottom end of the contact oxidation tank 2; an oil-water cavity and an oil-free water cavity are arranged inside the primary treatment tank 1, and a partition plate 3 is fixed between the oil-water cavity and the oil-free water cavity; the upper end of the oil-water cavity is provided with a water-oil separating mechanism, the upper end of the oil-water-free cavity is provided with a slag removing mechanism, and an adsorption component is arranged below the water-oil separating mechanism and the slag removing mechanism; and a contact oxidation mechanism is arranged in the contact oxidation box 2.
This environmental protection equipment is used in domestic sewage treatment can use at home, has reduced waste water and has concentrated the required time and the cost of emission processing through the drain pipe, has improved waste water treatment efficiency, can also directly carry out reutilization with the sewage after handling simultaneously, has improved the utilization degree to the water resource in the family, has reduced the water waste.
When the device is used, water from different sources is firstly injected into an oil water cavity and an oil-free water cavity, for example, sewage containing oil stains such as a kitchen is injected into the oil water cavity, vegetables, rice, tea and the like are washed, different sewage is subjected to primary treatment by different treatment methods respectively, enters the contact oxidation box 2 from the primary treatment box 1 under the action of the water pump 27 in a unified manner, is fully contacted with a contact oxidation mechanism in the contact oxidation box 2, and is finally discharged after reaching the reuse standard.
Furthermore, a three-way branch pipe 5 is arranged at the top end of the primary treatment tank 1, two branch pipe openings of the three-way branch pipe 5 are respectively connected with the top ends of the oil-water cavity and the oil-water-free cavity, and two branch pipes of the three-way branch pipe 5 are respectively provided with a check valve 6; and the top end of the three-way branch pipe 5 is provided with a joint 4.
Connect 4 with tee bend branch pipe 5 and sewer pipe, conveniently pour domestic sewage into this equipment, when discharging oily sewage, close check valve 6 on the oilless water cavity top branch pipe, open check valve 6 on the oilless water cavity top branch pipe, when discharging when not containing oily sewage, carry out opposite operation can, guarantee that the sewage of different properties gets into different treatment intracavity.
As shown in fig. 2 to 3, in the present embodiment, the oil-water separation mechanism includes a first mounting plate 9 and a second mounting plate 10, the first mounting plate 9 is fixed on the inner wall of the oil-water cavity on the front side, the second mounting plate 10 is fixed on the inner wall of the oil-water cavity on the rear side, and the opposite surfaces of the first mounting plate 9 and the second mounting plate 10 are both provided with a slide rail 11; a motor 13 is mounted on the outer wall of the first mounting plate 9, a first pulley 14 is sleeved on an output shaft of the motor 13, the first pulley 14 is fixedly connected with a second pulley 15 through a rotating shaft 16, and the first pulley 14 and the second pulley 15 are both slidably mounted in a sliding rail 11; a through groove 12 is formed in the first mounting plate 9; the surface of the rotating shaft 16 is sleeved with an oil suction roller 17.
Specifically, the water-oil separating mechanism comprises a compressed air machine 7, an air pipe 8 is arranged at an air outlet of the compressed air machine 7, and the other end of the air pipe 8 is connected with a branch pipe at the top end of the oil-water cavity.
After oily waste water is discharged into the oily water cavity, because the weight of oil is lighter, the oil stain floats on the upper layer, after the layering of stewing, motor 13 is started, motor 13 drives first pulley 14 to rotate and drives second pulley 15 to rotate, first pulley 14 and second pulley 15 roll in slide rail 11, oil suction roller 17 adsorbs the oil stain in the rolling process and gets rid of, thereby the effect of oil-water separation has been reached.
Further, the slag discharging mechanism comprises a pressing plate 22, two ends of the pressing plate 22 are slidably mounted in grooves 20 formed in the left inner wall and the right inner wall of the oil-free water cavity, a first electric push rod 21 is mounted at the top end of each groove 20, and the bottom end of each first electric push rod 21 is fixed on the upper surface of the pressing plate 22; the pressing plate 22 is provided with a through hole 23, and the diameter of the through hole 23 is the same as that of the branch pipe of the three-way branch pipe 5.
Specifically, the adsorption component comprises a screen 18, the screen 18 is respectively positioned under the first mounting plate 9 and the pressing plate 22, and an adsorption layer 19 is arranged under the screen 18.
In the profit chamber, after the oil-water separation, can intercept the rice sediment through screen cloth 18, the vegetable sediment etc., can get rid of the peculiar smell through adsorbed layer 19 again, in the no profit chamber, the rice grain, the vegetable leaf, tealeaves etc. stay the upper surface at screen cloth 18 through screen cloth 18's interception, start first electric putter 21, first electric putter 21 promotes clamp plate 22 and descends and press at screen cloth 18's upper surface, can extrude the great vegetable leaf of area, tealeaves etc., sewage adsorbs through adsorbed layer 19 again, the treatment effect is improved.
As shown in fig. 4-5, in this embodiment, the upper surface of the screen 18 is provided with a slag tapping assembly, the slag tapping assembly includes a second electric push rod 25, a push plate 26 is fixed to the top end of the second electric push rod 25, and slag tapping holes 24 are formed in opposite side walls of the slag tapping assembly.
When the residue on the screen 18 obstructs the filtering function of the screen 18, the second electric push rod 25 is started, the second electric push rod 25 pushes the push plate 26 to push towards the slag outlet 24, so that the residue on the screen 18 is pushed out from the slag outlet 24, and the normal filtering function of the screen 18 is ensured.
Example 2
Referring to fig. 1 and 6, in the embodiment of the present invention, the contact oxidation mechanism includes a filler 34 installed inside the contact oxidation box 2, a grid 33 is installed at a bottom end of the filler 34, a water pump 30 is installed at a top end of the contact oxidation box 2, an air outlet pipe 31 is installed at an air outlet of the water pump 30, and the air outlet pipe 31 is connected to an aeration pipe 32 installed at a bottom end of the grid 33; the pipe orifice of the water outlet pipe 29 is positioned at the bottom end of the aeration pipe 32; the upper end of the contact oxidation box 2 is provided with a water outlet 35, and the bottom end of the contact oxidation box 2 is provided with a sludge outlet 36.
The contact oxidation box 2 is provided with the filler 34, the bottom of the filler 34 is aerated and oxygenated by the water pump 30, air can entrain the wastewater to be treated from bottom to top and freely passes through the filler 34 to reach the upper end, after the air escapes, the wastewater returns to the bottom from top to bottom between the fillers 34, the activated sludge is attached to the surface of the filler 34 and can not flow along with the water, the biological membrane is directly stirred by the ascending air flow, and is continuously updated, so that the purification effect is improved, finally, clear water is discharged from the water outlet 35, and the sludge is discharged from the sludge outlet 36.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The environmental protection equipment for domestic sewage treatment is characterized by comprising a primary treatment box (1) and a contact oxidation box (2), wherein a water inlet of a water pump (27) is provided with a water inlet pipe (28) connected with the bottom end of the primary treatment box (1), and a water outlet of the water pump (27) is provided with a water outlet pipe (29) connected with the bottom end of the contact oxidation box (2);
an oil-water cavity and an oil-free water cavity are arranged inside the primary treatment tank (1), and a partition plate (3) is fixed between the oil-water cavity and the oil-free water cavity;
the upper end of the oil-water cavity is provided with a water-oil separating mechanism, the upper end of the oil-water-free cavity is provided with a slag removing mechanism, and an adsorption component is arranged below the water-oil separating mechanism and the slag removing mechanism;
and a contact oxidation mechanism is arranged in the contact oxidation box (2).
2. The environmental protection equipment for domestic sewage treatment according to claim 1, wherein the top end of the primary treatment tank (1) is provided with a three-way branch pipe (5), two branch pipe openings of the three-way branch pipe (5) are respectively connected with the top ends of the oil-water cavity and the oil-water-free cavity, and two branch pipes of the three-way branch pipe (5) are provided with check valves (6);
and the top end of the three-way branch pipe (5) is provided with a joint (4).
3. The environmental protection equipment for treating domestic sewage according to claim 1, wherein the water-oil separating mechanism comprises a first mounting plate (9) and a second mounting plate (10), the first mounting plate (9) is fixed on the inner wall of the front side of the oil-water cavity, the second mounting plate (10) is fixed on the inner wall of the rear side of the oil-water cavity, and the opposite surfaces of the first mounting plate (9) and the second mounting plate (10) are provided with slide rails (11);
a motor (13) is mounted on the outer wall of the first mounting plate (9), a first pulley (14) is sleeved on an output shaft of the motor (13), the first pulley (14) is fixedly connected with a second pulley (15) through a rotating shaft (16), and the first pulley (14) and the second pulley (15) are both slidably mounted in a sliding rail (11);
a through groove (12) is formed in the first mounting plate (9);
and an oil suction roller (17) is sleeved on the surface of the rotating shaft (16).
4. The environmental protection equipment for domestic sewage treatment according to claim 3, wherein the water-oil separation mechanism comprises a compressed air machine (7), an air outlet of the compressed air machine (7) is provided with an air pipe (8), and the other end of the air pipe (8) is connected with a branch pipe at the top end of the oil-water chamber.
5. The environmental protection equipment for treating domestic sewage according to claim 3, wherein the slag discharging mechanism comprises a pressing plate (22), two ends of the pressing plate (22) are slidably mounted in grooves (20) formed in the left and right inner walls of the oil-free water cavity, a first electric push rod (21) is mounted at the top end of each groove (20), and the bottom end of each first electric push rod (21) is fixed on the upper surface of the pressing plate (22);
a through hole (23) is formed in the pressing plate (22), and the diameter of the through hole (23) is the same as that of the branch pipe of the three-way branch pipe (5).
6. The environmental protection equipment for domestic sewage treatment according to claim 5, wherein the adsorption component comprises a screen (18), the screen (18) is respectively positioned right below the first mounting plate (9) and the pressing plate (22), and an adsorption layer (19) is arranged below the screen (18).
7. The environmental protection equipment for domestic sewage treatment according to claim 6, wherein the upper surface of the screen (18) is provided with a slag tapping component, the slag tapping component comprises a second electric push rod (25), a push plate (26) is fixed at the top end of the second electric push rod (25), and the opposite side walls of the slag tapping component are provided with slag tapping holes (24).
8. The environmental protection equipment for treating domestic sewage according to any one of claims 1 to 7, wherein the contact oxidation mechanism comprises a filler (34) installed inside the contact oxidation box (2), a grid (33) is arranged at the bottom end of the filler (34), a water pump (30) is installed at the top end of the contact oxidation box (2), an air outlet pipe (31) is arranged at an air outlet of the water pump (30), and the air outlet pipe (31) is connected with an aeration pipe (32) installed at the bottom end of the grid (33);
the pipe orifice of the water outlet pipe (29) is positioned at the bottom end of the aeration pipe (32);
the upper end of the contact oxidation box (2) is provided with a water outlet (35), and the bottom end of the contact oxidation box (2) is provided with a sludge outlet (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336104.9A CN111039502A (en) | 2019-12-23 | 2019-12-23 | Domestic sewage administers and uses environmental protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336104.9A CN111039502A (en) | 2019-12-23 | 2019-12-23 | Domestic sewage administers and uses environmental protection equipment |
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| CN111039502A true CN111039502A (en) | 2020-04-21 |
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| CN201911336104.9A Pending CN111039502A (en) | 2019-12-23 | 2019-12-23 | Domestic sewage administers and uses environmental protection equipment |
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| CN113979602A (en) * | 2021-11-25 | 2022-01-28 | 安徽井田环保科技有限公司 | Integrated equipment for domestic sewage treatment and treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112794527A (en) * | 2020-12-30 | 2021-05-14 | 湖州师范学院 | Be applied to intelligent sewage treatment plant of computer internet of things |
| CN113979602A (en) * | 2021-11-25 | 2022-01-28 | 安徽井田环保科技有限公司 | Integrated equipment for domestic sewage treatment and treatment method |
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Application publication date: 20200421 |