CN109133238B - Aeration machine for domestic sewage convenient to increase work efficiency and can generate electricity - Google Patents
Aeration machine for domestic sewage convenient to increase work efficiency and can generate electricity Download PDFInfo
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- CN109133238B CN109133238B CN201810951462.XA CN201810951462A CN109133238B CN 109133238 B CN109133238 B CN 109133238B CN 201810951462 A CN201810951462 A CN 201810951462A CN 109133238 B CN109133238 B CN 109133238B
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an aerator for domestic sewage, which is convenient for increasing the working efficiency and has a power generation function, and comprises a floating plate, an ejector, an air suction pipe and a connecting shaft, wherein a second driving motor is fixedly arranged inside the floating plate, the second driving motor is connected with a storage battery through an inverter, the storage battery and the inverter are both arranged on the floating plate, the lower end of the second driving motor is fixedly connected with a rotary table, the lower end of the rotary table is connected with a pipe body through a connecting frame, the rotary table is arranged at the lower end of the floating plate, the left end of the pipe body is provided with a liquid inlet, the outer side of the pipe body is connected with a power generation bin, the upper end of the pipe body is provided with a first driving motor, and the lower end of the first driving motor penetrates through the pipe body to be connected with a water pump impeller. This aeration machine for domestic sewage convenient to increase work efficiency and possess electricity generation function can not only increase work efficiency through the impact force that increases sludge to the bottom of the biochemical tank, and can be convenient for generate electricity through sewage to be favorable to the energy saving.
Description
Technical Field
The invention relates to the technical field of domestic sewage correlation, in particular to an aerator for domestic sewage, which is convenient for increasing the working efficiency and can generate electricity.
Background
In production and life, certain polluting sewage can be generated, such as industrial sewage, agricultural sewage and domestic sewage, the domestic sewage is the sewage generated in people's life, the sewage can be discharged into a biochemical tank for further solid-liquid separation after a series of treatments, an aerator is often used in the biochemical tank for solid-liquid separation, the aerator cuts air into tiny bubbles and performs impact stirring on sludge at the bottom of the biochemical tank, the sludge after impact stirring can be wrapped and lifted by the rising bubbles so as to rise above the liquid level, and then the bubbles containing the sludge can be scraped out by a slag scraper, so that the purpose of solid-liquid separation is achieved.
The current aerator needs to convert the kinetic energy of the jet flow into pressure energy when in work, the process achieves the aim of converting the kinetic energy of the jet flow into the pressure energy by entering a funnel-shaped diffusion pipe from a thinner throat pipe, so that the kinetic energy of the jet flow is wasted, resources are not saved, the aerator is in a solid guess state, if the kinetic energy is converted into electric energy and is applied to the aerator, the aerator has the energy-saving effect, meanwhile, the jet flow impacting the sludge at the bottom of the biochemical pool can not only generate impact force on the sludge, but also can generate reverse impact force on the aerator body, the aerator can generate larger impact force to shake, so that the aerator is not in a stable use, the aerator is in a solid guess state, after the kinetic energy of the jet flow is converted into the electric energy, other parts of the aerator are driven, so that the aerator rotates towards the impact direction of the jet flow, thereby increasing the impact of the jet flow on the sludge at the bottom of the biochemical pool, and the stable rotation of the aerator can be ensured, thereby achieving the purpose of increasing the working efficiency of the aerator.
Disclosure of Invention
The invention aims to provide an aerator for domestic sewage, which is convenient to increase the working efficiency and can generate electricity, so as to solve the problems that the existing aerator in the background art does not increase the working efficiency and does not have the function of generating electricity.
In order to achieve the purpose, the invention provides the following technical scheme: an aerator for domestic sewage, which is convenient for increasing the working efficiency and can generate electricity automatically, comprises a floating plate, an ejector, an air suction pipe and a connecting shaft, wherein a second driving motor is fixedly arranged inside the floating plate, the second driving motor is connected with a storage battery through an inverter, the storage battery and the inverter are both arranged on the floating plate, the lower end of the second driving motor is fixedly connected with a turntable, the lower end of the turntable is connected with a pipe body through a connecting frame, the turntable is arranged at the lower end of the floating plate, the left end of the pipe body is provided with a liquid inlet, the outer side of the pipe body is connected with an electricity generation bin, the upper end of the pipe body is provided with a first driving motor, the lower end of the first driving motor penetrates through the pipe body to be connected with a water pump impeller, the water pump impeller is arranged at the left end inside the pipe body, the ejector is arranged at the right end of the water pump impeller, and the ejector is arranged inside the pipe body, the right-hand member of ejector passes through jet nozzle and choke through connection, and the choke sets up in the inside of body, breathing pipe and body through connection, and the breathing pipe sets up in jet nozzle's top to the upper end of breathing pipe is connected with the carousel, the both ends of connecting axle all are connected with the body through the cushion, and the front end of connecting axle runs through the body and sets up in the electricity generation storehouse to the outside of connecting axle is connected with the leaf strip, the right-hand diffuser of installing of connecting axle, and the diffuser is installed in the inside of body, and the right-hand member of body is connected with the liquid outlet.
Preferably, the lower surface of the floating plate is of a concave structure, the inner diameter of the concave structure is larger than the diameter of the rotary table, the rotary table is arranged in the concave structure, and the floating plate is of an upper hollow structure and a lower hollow structure.
Preferably, the lower surface of the rotary table is connected with 3 connecting frames at equal angles, the upper surface of the rotary table is of a porous structure, and the holes are communicated with the air suction pipe.
Preferably, the even distribution of drain nozzle is in the right-hand member of body, and the drain nozzle slope sets up downwards to the incline direction of drain nozzle is parallel with the tangential direction of carousel.
Preferably, the power generation cabin comprises an outer shell, a low-speed shaft, a gear box, a high-speed shaft and a generator, the low-speed shaft is mounted inside the outer shell and connected with the high-speed shaft through the gear box, and the high-speed shaft and the generator rotate coaxially.
Preferably, the first driving motor, the ejector and the diffuser are electrically connected in parallel.
Preferably, the connecting shaft and the low-speed shaft rotate coaxially, the outer sides of the two ends of the connecting shaft are connected with the pipe body in a bearing connection mode, the pipe body and the outer shell are fixedly connected through bolts, and the outer sides of the connecting shaft are connected with the blades at equal angles.
Preferably, the second driving motor and the inverter and the storage battery are connected by wires, and the storage battery is connected with the generator by wires.
Compared with the prior art, the invention has the beneficial effects that: this aeration machine for domestic sewage convenient to increase work efficiency and ability are from electricity generation can not only increase work efficiency through the increase to the impact force of biochemical tank bottom mud, and can be convenient for generate electricity through sewage to be favorable to the energy saving:
1. 3 connecting frames are arranged on the lower surface of the rotary table at equal angles, so that the symmetry of the aerator can be ensured, the aerator can be prevented from shaking greatly when being used, and the use stability of the aerator can be improved;
2. the air suction pipe is connected with the rotary disc, the rotary disc and the floating plate are both of porous hollow structures, and meanwhile, the holes in the rotary disc are in through connection with the air suction pipe, so that outside air can conveniently enter the air suction pipe after passing through the floating plate and the rotary disc, and the air can conveniently enter a pipe body communicated with the air suction pipe;
3. the arrangement of the connecting shaft and the blades can convert the kinetic energy of the jet flow into the kinetic energy of the rotation of the low-speed shaft, and simultaneously convert the kinetic energy of the jet flow into pressure energy, thereby being beneficial to the follow-up jet flow to pass through the diffuser;
4. low-speed axle, the gear box, the high-speed axle, the generator, the setting of battery and dc-to-ac converter, can be convenient for convert the rotation kinetic energy of connecting axle into the electric energy, be favorable to second driving motor's rotation, so as to drive the carousel and rotate, make this aeration machine possess the power generation function, thereby can be convenient for practice thrift the electric energy, simultaneously, can avoid the liquid outlet nozzle when spraying the sewage that carries oxygen molecule and micro bubble, the reverse impact force that is produced strikes and reverse rotation, thereby increase the impact force to biochemical tank bottom mud, and then increase the dynamics to the impact of biochemical tank bottom mud and stirring, be favorable to increasing the work efficiency of this aeration machine.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of a connecting structure of a pipe body according to the present invention;
FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the floating plate according to the present invention;
FIG. 5 is a schematic view of a power generation compartment according to the present invention;
FIG. 6 is a schematic view of the connection structure of the turntable and the connection frame in a top view.
In the figure: 1. a floating plate; 2. a turntable; 3. a connecting frame; 4. a pipe body; 5. a liquid outlet nozzle; 6. a power generation cabin; 601. an outer housing; 602. a low speed shaft; 603. a gear case; 604. a high speed shaft; 605. a generator; 7. a liquid inlet; 8. a first drive motor; 9. a water pump impeller; 10. an ejector; 11. a jet nozzle; 12. an air intake duct; 13. a throat; 14. a diffuser; 15. a connecting shaft; 16. a rubber pad; 17. leaf strips; 18. a second drive motor; 19. a storage battery; 20. an inverter.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an aerator for domestic sewage, which is convenient for increasing the working efficiency and can generate electricity, comprises a floating plate 1, an ejector 10, an air suction pipe 12 and a connecting shaft 15, wherein a second driving motor 18 is fixedly arranged inside the floating plate 1, the second driving motor 18 is connected with a storage battery 19 through an inverter 20, the storage battery 19 and the inverter 20 are both arranged on the floating plate 1, the lower surface of the floating plate 1 is of a concave structure, the inner diameter of the concave structure is larger than the diameter of a rotary table 2, the rotary table 2 is arranged in the concave structure, and the floating plate 1 is of an upper and lower hollow structure, so that when the aerator is suspended in a biochemical pool, the rotary table 2 is above the liquid level, air can conveniently enter the rotary table 2 through the hollow floating plate 1 and then enters the air suction pipe 12, thereby being beneficial to filling up the negative pressure generated by the jet flow of the ejector 10, and being convenient for the rotary table 2 to stably rotate on the lower surface of the floating plate 1, the second driving motor 18 is connected with the inverter 20 and the inverter 20 is connected with the battery 19 by wires, the battery 19 is connected with the generator 605 by wires, so that the electric energy generated by the generator 605 can be stored in the battery 19, the inverter 20 supplies power to the second driving motor 18, the lower end of the second driving motor 18 is fixedly connected with the rotary table 2, the lower end of the rotary table 2 is connected with the pipe body 4 by the connecting frame 3, the rotary table 2 is arranged at the lower end of the floating plate 1, the lower surface of the rotary table 2 is equiangularly connected with 3 connecting frames 3, the upper surface of the rotary table 2 is in a porous structure, and the hole is communicated with the air suction pipe 12, so that the symmetry of the aerator can be ensured, and when the aerator is used, large shaking cannot be generated, the stable operation of the aerator is facilitated, and the service life of the aerator can be prolonged, the left end of the pipe body 4 is provided with a liquid inlet 7, the outer side of the pipe body 4 is connected with a power generation bin 6, the power generation bin 6 comprises an outer shell 601, a low-speed shaft 602, a gear box 603, a high-speed shaft 604 and a power generator 605, the low-speed shaft 602 is installed inside the outer shell 601, the low-speed shaft 602 is connected with the high-speed shaft 604 through the gear box 603, and the high-speed shaft 604 and the power generator 605 rotate coaxially, so that the aerator has a power generation function, the upper end of the pipe body 4 is provided with a first driving motor 8, the lower end of the first driving motor 8 penetrates through the pipe body 4 to be connected with a water pump impeller 9, the water pump impeller 9 is arranged at the left end inside the pipe body 4, the first driving motor 8, an ejector 10 and a diffuser 14 are electrically connected in parallel, so that the first driving motor 8, the ejector 10 and the diffuser 14 can be started and operated simultaneously, the ejector 10 is installed at the right end of the water pump impeller 9, and the ejector 10 is installed inside the pipe body 4, the right end of the ejector 10 is connected with a throat 13 through a jet nozzle 11, the throat 13 is arranged inside a tube body 4, an air suction pipe 12 is connected with the tube body 4 through a jet nozzle 11, the air suction pipe 12 is arranged above the jet nozzle 11, the upper end of the air suction pipe 12 is connected with a rotary disc 2, two ends of a connecting shaft 15 are connected with the tube body 4 through rubber pads 16, the front end of the connecting shaft 15 penetrates through the tube body 4 and is arranged in a power generation bin 6, a blade 17 is connected to the outer side of the connecting shaft 15, the connecting shaft 15 and a low-speed shaft 602 rotate coaxially, the outer sides of two ends of the connecting shaft 15 are connected with the tube body 4 in a bearing connection mode, the tube body 4 and an outer shell 601 are fixedly connected through bolts, the blade 17 is connected to the outer side of the connecting shaft 15 at an equal angle, the jet flow can be convenient to drive the low-speed shaft 602 to rotate through the connecting shaft 15, so that the power generation of the aerator is facilitated, a diffuser 14 is arranged on the right side of the connecting shaft 15, and diffuser 14 installs in the inside of body 4 to the right-hand member of body 4 is connected with liquid outlet 5, and 5 even distributions in the right-hand member of body 4 of liquid outlet 5, and the slope of liquid outlet 5 sets up downwards, and the incline direction of liquid outlet 5 is parallel with the tangential direction of carousel 2, and when the 5 blowout liquid of liquid outlet of can being convenient for, the mud of biochemical pond bottom of maximize impact.
The working principle is as follows: firstly, the aerator for domestic sewage, which is convenient for increasing the working efficiency and can generate electricity, is arranged in a biochemical tank of the domestic sewage, because of the existence of the floating plate 1 in the attached drawing 1 of the specification, the aerator is suspended on the liquid level of the biochemical tank (the parts of the connecting frame 3 and the connecting frame 3 on the aerator are positioned on the liquid level of the biochemical tank, and meanwhile, the rotating disc 2 on the lower surface of the floating plate 1 is positioned above the liquid level of the biochemical tank through the material selection of the floating plate 1), and at the moment, the aerator is connected with the power supply through a lead, so that the aerator can be used;
turning on the power supply of the first driving motor 8, the ejector 10, the diffuser 14 and the second driving motor 18 in the specification and attached figure 2, because the first driving motor 8, the ejector 10 and the diffuser 14 are electrically connected in parallel, the three are started simultaneously, at this time, the first driving motor 8 drives the water pump impeller 9 at the lower end thereof to rotate at a high speed, so that the sewage in the biochemical pond is sucked into the pipe body 4 through the liquid inlet 7 in the specification and attached figure 2, and the sewage is pushed into the ejector 10 to form jet flow, negative pressure is generated around the jet flow, so that air is sucked through the jet flow 12 in the specification and attached figure 2, the air enters the negative pressure area at the jet flow nozzle 11 at the right end of the ejector 10, when the air and the sewage flow into the throat pipe 13 of the pipe body 4, the air and the water and the mud in the sewage are mixed due to the change of pipe diameter, the air and the sewage after passing through the throat pipe 13 impact the blade 17 in the specification and attached figure 3, thereby driving the connecting shaft 15 in the attached figure 3 of the specification to rotate, further converting the kinetic energy of the sewage and the air into the rotational kinetic energy of the connecting shaft 15, at the moment, sewage and air containing only the impact pressure of the subsequent jets when passing through the diffuser 14 in figure 2 of the specification, the air is further mixed with the water and the mud in the sewage, the gas is forced to be cut, crushed and emulsified, the process can fully dissolve most of the oxygen in the air into the water, and simultaneously, under the impact pressure of the subsequent jet flow, oxygen molecules and micro bubbles are carried and sprayed out from the liquid outlet nozzle 5 in the attached figure 1 of the specification, thereby impacting and stirring the sludge at the bottom of the biochemical pool and lifting the sludge by the micro-bubbles so as to make the sludge rise to the water surface from the water bottom, the retention time of the micro bubbles in water is generally more than 30s, so that oxygen in the air can be fully dissolved and absorbed by sewage;
meanwhile, the rotation of the connecting shaft 15 will drive the low-speed shaft 602 in the specification and the attached drawing 5 to rotate, the low-speed shaft 602 will accelerate through the gear box 603, so that the high-speed shaft 604 rotates at a high speed, and then drive the generator 605 to rotate to generate electricity, the electric energy generated by the generator 605 will be stored in the storage battery 19 through a wire, and used by the second driving motor 18 after passing through the inverter 20, the second driving motor 18 will drive the rotating disc 2 in the specification and the attached drawing 4 to rotate (the rotating direction of the rotating disc 2 is the same as the horizontal direction of the spraying of the liquid outlet nozzle 5), the rotating disc 2 will drive the pipe body 4 to rotate towards the horizontal direction of the spraying of the liquid outlet nozzle 5, and further prevent the liquid outlet nozzle 5 from rotating reversely by the generated reverse impact force when spraying the sewage carrying oxygen molecules and micro-bubbles, thereby reducing the impact and stirring force, and at the same angle of the lower surface of the rotating disc 2 is connected with 3 connecting frames 3, so as to ensure the stability of the aerator during operation, and the details which are not described in detail in this specification belong to the prior art known to those skilled in the art.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an aerator for domestic sewage convenient to increase work efficiency and ability is from electricity generation, includes kickboard (1), ejector (10), breathing pipe (12) and connecting axle (15), its characterized in that: the floating plate (1) is internally and fixedly provided with a second driving motor (18), the second driving motor (18) is connected with a storage battery (19) through an inverter (20), the storage battery (19) and the inverter (20) are both arranged on the floating plate (1), the lower end of the second driving motor (18) is fixedly connected with a turntable (2), the lower end of the turntable (2) is connected with the pipe body (4) through a connecting frame (3), the turntable (2) is arranged at the lower end of the floating plate (1), the left end of the pipe body (4) is provided with a liquid inlet (7), the outer side of the pipe body (4) is connected with a power generation bin (6), the upper end of the pipe body (4) is provided with a first driving motor (8), the lower end of the first driving motor (8) penetrates through the pipe body (4) to be connected with a water pump impeller (9), and the water pump impeller (9) is arranged at the left end inside the pipe body (4), the jet device (10) is installed at the right end of a water pump impeller (9), the jet device (10) is installed inside a pipe body (4), the right end of the jet device (10) is connected with a throat pipe (13) in a penetrating manner through a jet nozzle (11), the throat pipe (13) is arranged inside the pipe body (4), an air suction pipe (12) is connected with the pipe body (4) in a penetrating manner, the air suction pipe (12) is arranged above the jet nozzle (11), the upper end of the air suction pipe (12) is connected with a rotary disc (2), two ends of a connecting shaft (15) are connected with the pipe body (4) through rubber pads (16), the front end of the connecting shaft (15) penetrates through the pipe body (4) and is arranged in a power generation bin (6), a blade (17) is connected to the outer side of the connecting shaft (15), a diffuser (14) is installed on the right side of the connecting shaft (15), and the diffuser (14) is installed inside the pipe body (4), the right end of the tube body (4) is connected with the liquid outlet nozzle (5);
the lower surface of the floating plate (1) is of a concave structure, the inner diameter of the concave structure is larger than the diameter of the turntable (2), the turntable (2) is arranged in the concave structure, and the floating plate (1) is of an upper hollow structure and a lower hollow structure;
the lower surface of the rotary table (2) is connected with 3 connecting frames (3) at equal angles, the upper surface of the rotary table (2) is of a porous structure, and the holes are communicated with the air suction pipe (12);
the liquid outlet nozzles (5) are uniformly distributed at the right end of the tube body (4), the liquid outlet nozzles (5) are obliquely and downwards arranged, and the oblique direction of the liquid outlet nozzles (5) is parallel to the tangential direction of the rotary table (2);
the power generation cabin (6) comprises an outer shell (601), a low-speed shaft (602), a gear box (603), a high-speed shaft (604) and a power generator (605), the low-speed shaft (602) is installed inside the outer shell (601), the low-speed shaft (602) is connected with the high-speed shaft (604) through the gear box (603), and meanwhile the high-speed shaft (604) and the power generator (605) rotate coaxially;
the first driving motor (8), the ejector (10) and the air diffuser (14) are electrically connected in parallel;
the connecting shaft (15) and the low-speed shaft (602) rotate coaxially, the outer sides of two ends of the connecting shaft (15) are connected with the pipe body (4) in a bearing connection mode, the pipe body (4) is fixedly connected with the outer shell (601) through bolts, and the outer side of the connecting shaft (15) is connected with the blades (17) at equal angles;
the second driving motor (18) is connected with the inverter (20) and the inverter (20) is connected with the storage battery (19) through wires, and the storage battery (19) is connected with the generator (605) through wires.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951462.XA CN109133238B (en) | 2018-08-21 | 2018-08-21 | Aeration machine for domestic sewage convenient to increase work efficiency and can generate electricity |
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|---|---|---|---|
| CN201810951462.XA CN109133238B (en) | 2018-08-21 | 2018-08-21 | Aeration machine for domestic sewage convenient to increase work efficiency and can generate electricity |
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| CN109133238A CN109133238A (en) | 2019-01-04 |
| CN109133238B true CN109133238B (en) | 2021-12-03 |
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| CN113247190B (en) * | 2021-05-18 | 2022-11-11 | 宁波利德自动化设备制造有限公司 | Vacuum excrement collector control system and device thereof |
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| 射流曝气器的改进与发展;高激飞等;《净水技术》;20050831;第24卷(第4期);第43-46页 * |
| 文丘里曝气器布置对循环水体增氧效率的影响;程香菊等;《华南理工大学学报（自然科学版）》;20150331;第43卷(第3期);第121-129页 * |
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