CN216711859U - Low-energy-consumption high-efficiency rural domestic sewage treatment equipment - Google Patents
Low-energy-consumption high-efficiency rural domestic sewage treatment equipment Download PDFInfo
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- CN216711859U CN216711859U CN202220218217.XU CN202220218217U CN216711859U CN 216711859 U CN216711859 U CN 216711859U CN 202220218217 U CN202220218217 U CN 202220218217U CN 216711859 U CN216711859 U CN 216711859U
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Abstract
The utility model provides low-energy-consumption high-efficiency rural domestic sewage treatment equipment which comprises an adjusting tank, an aerobic tank and a dissolved gas water generating device, wherein a sewage inlet is formed in the adjusting tank; the dissolved air water generating device comprises an dissolved air pump, a water inlet pipe of the dissolved air pump extends into the regulating reservoir, and a water outlet pipe of the dissolved air pump is provided with a branch pipe; the gas dissolving water releasing device comprises a connecting pipe and a bubble releaser, one end of the connecting pipe is connected with the branch pipe through a detachable connecting piece, the other end of the connecting pipe extends into the bottom of the aerobic tank, and the bubble releaser is arranged at the other end of the connecting pipe. The single dissolved air pump is adopted to replace a sewage lifting pump, a dissolved air tank and an air compressor in the conventional sewage treatment device, so that the device is simpler and more convenient to manage and maintain; when the bubble releaser needs to be maintained, the bubble releaser can be maintained outside the pool only by opening the detachable connecting piece and lifting the bubble releaser out of the water.
Description
Technical Field
The utility model relates to the technical field of rural domestic sewage treatment equipment, in particular to low-energy-consumption high-efficiency rural domestic sewage treatment equipment.
Background
The existing integrated rural domestic sewage treatment equipment generally comprises a regulating tank, an aerobic tank, an anoxic tank, a sedimentation tank and a clean water tank which are sequentially arranged, wherein an aeration disc and an air distribution pipeline are arranged at the bottom in the aerobic tank, an air blower is connected with the aeration disc, air flowing out of the aeration disc enters the aerobic tank, generated micro-bubbles are uniformly distributed in the aerobic tank, and activated sludge is suspended in the aerobic tank under the action of aeration stirring or exists on a preset carrier in the aerobic tank in a form of a biological membrane.
The existing integrated rural domestic sewage treatment equipment has the following defects: firstly, the blower needs to continuously operate to continuously supply air to the aerobic tank so as to ensure the aerobic environment of the aerobic tank, and the continuous operation of the blower generates a large amount of electricity consumption; air is supplied by the blower and the aeration disc, oxygen is difficult to dissolve, the utilization rate of the unidirectional gaseous air is low, and a large amount of air is not dissolved in sewage, so that the air overflows and energy consumption is wasted; thirdly, the air is supplied through the blower and the aeration disc, the bubbles are large, the combination of oxygen, pollutants and microorganisms is not facilitated, and the utilization rate of the oxygen is low; and fourthly, when the aeration is carried out through the air blower and the aeration disc, the impact force of the bubbles is large, the shearing action of the bubbles is not beneficial to the implantation of the biological membrane, and the activated sludge floc is easy to damage. In view of this, the present applicant filed a patent with application number CN202121071451.6, hereinafter referred to as this patent, which uses a sewage lift pump to pump sewage in a conditioning tank into a dissolved air tank, and an air compressor to deliver compressed air into the dissolved air tank, and pressurized water and pressurized air form two-phase dissolved air water in the dissolved air tank, and the dissolved air water enters an aerobic tank through a bubble releaser in the form of micro bubbles, so that the oxygen utilization rate is high, and the air compressor can operate intermittently, thereby effectively reducing the power consumption for oxygen supply; the gas-liquid outlet of the bubble releaser faces the bottom of the aerobic tank, so that the deposition of sludge at the bottom of the aerobic tank is reduced as much as possible, the floating speed of micro bubbles is delayed, the releasing pressure is reduced, and the contact time of the gas-dissolved water and the filler is prolonged.
However, the sewage treatment apparatus disclosed in this patent has the following problems: after the aerobic tank aeration system is operated for a long time, the problem that the aeration of a bubble releaser is uneven and even partial area is not aerated is solved, the sludge growth is seriously influenced, the aerobic tank needs to be emptied and cleaned so that maintainers can conveniently enter the aerobic tank for overhauling and maintenance, and the problems of inconvenient maintenance, time consumption and labor consumption are caused; the water surfaces of the aerobic pool and the anoxic pool are easy to float with suspended matters and floating mud, and need to be cleaned regularly, and the existing cleaning mode is a manual fishing mode, so that the problem of low efficiency exists; and thirdly, the sewage lifting pump pumps the sewage in the regulating reservoir into the dissolved air tank, the air compressor conveys the compressed air into the dissolved air tank, and the pressurized water and the pressurized air form two-phase dissolved air water in the dissolved air tank so as to improve the utilization rate of oxygen.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides low-energy-consumption high-efficiency rural domestic sewage treatment equipment, which comprises:
the device comprises an adjusting tank and an aerobic tank, wherein a sewage inlet is formed in the adjusting tank;
the dissolved air water generating device comprises an dissolved air pump, a water inlet pipe of the dissolved air pump extends into the regulating reservoir, and a water outlet pipe of the dissolved air pump is provided with a branch pipe;
dissolve gas water release, it includes connecting pipe, bubble releaser to dissolve gas water release, the one end of connecting pipe with the branch pipe passes through detachable connecting piece and links to each other, and the other end stretches into bottom in the good oxygen pond, the bubble releaser sets up the other end of connecting pipe, detachable connecting piece is located the top in good oxygen pond.
Further, the gas-liquid outlet of the bubble releaser faces the bottom of the aerobic tank.
Further, the anaerobic fermentation device further comprises an anoxic tank, a sedimentation tank and a clean water tank, wherein the anoxic tank is communicated with the upper part of the aerobic tank, the sedimentation tank is communicated with the lower part of the anoxic tank, a channel communicated with the clean water tank is arranged on the upper part of the sedimentation tank, and a clean water outlet is arranged on the clean water tank.
Further, still include mud scraping mechanism, mud scraping mechanism sets up the upper portion in aerobic tank and the oxygen deficiency pond.
Further, the mud scraping mechanism comprises a conveying belt, a scraper is arranged on the conveying belt, and a mud collecting groove which is in butt joint with the scraper is formed in the upper portion of the anoxic pond.
Further, the detachable connecting piece is a flange.
When the low-energy-consumption high-efficiency rural domestic sewage treatment equipment is used, rural domestic sewage is discharged into the regulating tank through the sewage inlet, the sewage in the regulating tank enters the dissolved air pump through the water inlet pipe, the air can be sucked into the suction inlet of the dissolved air pump by utilizing the negative pressure effect, so that an air compressor is not needed, liquid and gas are mixed and stirred by the pump impeller rotating at high speed in the dissolved air pump, a dissolved air tank is not needed, the air and the sewage are pressurized and mixed in the pump, the gas and the liquid are fully dissolved to form two-phase dissolved air water, and the sewage is dissolved in oxygen in advance; the connecting pipe is connected with the branch pipe through a detachable connecting piece, the detachable connecting piece is positioned above the aerobic tank, the bubble releaser is suspended in water through the connecting pipe, when the bubble releaser needs to be maintained, the maintenance can be carried out outside the tank only by opening the detachable connecting piece and lifting the bubble releaser out of the water, so that the maintenance process is simplified, the maintenance time is shortened, the water in the aerobic tank does not need to be emptied during maintenance, and a maintainer does not need to enter the tank; when floaters and floating mud on the water surface of the aerobic pool and the anoxic pool are required to be cleaned, the conveying belt is driven to run, so that the scraper plate is driven to move, the floaters and floating mud on the water surface of the aerobic pool and the anoxic pool are scraped to the mud collecting groove by the scraper plate in the moving process, and a worker only needs to discharge objects in the mud collecting groove, so that the operation is simple and convenient.
Drawings
FIG. 1 is a schematic structural diagram of a low-energy-consumption high-efficiency rural domestic sewage treatment device provided by the utility model;
FIG. 2 is a schematic structural view of a connection pipe and a branch pipe provided by the present invention connected by a flange;
FIG. 3 is a schematic structural diagram of a mud scraping mechanism provided by the present invention;
wherein, 1, adjusting a pool; 11. a sewage inlet; 2. an aerobic tank; 21. biological filler I; 3. an anoxic tank; 31. a second biological filler; 4. a sedimentation tank; 41. filling the inclined tube; 42. a channel; 5. a clean water tank; 51. a clear water outlet; 6. a dissolved air pump; 61. a water inlet pipe; 62, a water outlet pipe; 63. a branch pipe; 64. a detachable connector; 65. a connecting pipe; 7. a bubble releaser; 8. a conveyor belt; 81. a squeegee; 82. a sludge collection tank; 9. a mud bucket; 91. a sludge pump.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in figures 1 to 3, the utility model provides low-energy-consumption high-efficiency rural domestic sewage treatment equipment, which comprises a sewage treatment tank, a dissolved gas water generating device and a dissolved gas water releasing device.
The sewage treatment tank comprises an adjusting tank 1, an aerobic tank 2, an anoxic tank 3, a sedimentation tank 4 and a clean water tank 5 which are sequentially arranged, wherein a sewage inlet 11 is formed in the adjusting tank 1, the anoxic tank 3 is communicated with the upper part of the aerobic tank 2, the sedimentation tank 4 is communicated with the lower part of the anoxic tank 3, a channel 42 communicated with the clean water tank 5 is formed in the upper part of the sedimentation tank 4, a clean water outlet 51 is formed in the clean water tank 5, a first biological filler 21 is arranged in the aerobic tank 2, a second biological filler 31 is arranged in the anoxic tank 3, and an inclined tube filler 41 is arranged in the sedimentation tank 4; still include bagger 9, sludge pump 91, bagger 9 sets up the bottom in oxygen deficiency pond 3 and the sedimentation tank 4, sludge pump 91's input with bagger 9 is linked together.
The dissolved air water generating device comprises an dissolved air pump 6, a water inlet pipe 61 of the dissolved air pump 6 extends into the regulating tank 1, and a water outlet pipe 62 of the dissolved air pump 6 is provided with a branch pipe 63; dissolve gas-water release device and include connecting pipe 65, bubble releaser 7, the one end of connecting pipe 65 with branch pipe 63 links to each other through detachable connecting piece 64, and the other end stretches into bottom in the good oxygen pond 2, bubble releaser 7 sets up the other end of connecting pipe 65, the gas-liquid export orientation of bubble releaser 7 the bottom of the pool of good oxygen pond 2, detachable connecting piece 64 is located the top of good oxygen pond 2. In particular, the detachable connector 64 is a flange.
Still include mud scraping mechanism, mud scraping mechanism sets up the upper portion in aerobic tank 2 and the oxygen deficiency pond 3. The mud scraping mechanism comprises a conveying belt 8, a scraping plate 81 is arranged on the conveying belt 8, and a mud collecting groove 82 which is butted with the scraping plate 81 is arranged at the upper part in the anoxic pond 3. When floater, the mud floating on the good oxygen pond and the oxygen deficiency pond surface of water of needs clearance, band pulley anticlockwise rotation on the drive conveyer belt to the operation of drive conveyer belt, and then drive the scraper blade motion, the scraper blade is scraped to the mud collection inslot with floater, the mud floating on good oxygen pond and the oxygen deficiency pond surface of water at the in-process of motion, and the staff only needs to discharge the object in the mud collection inslot, and easy operation is convenient.
The working principle of the utility model is as follows:
when the device is used, rural domestic sewage is discharged into the regulating tank through the sewage inlet, the sewage in the regulating tank enters the dissolved air pump through the water inlet pipe, the suction inlet of the dissolved air pump can suck air by utilizing the negative pressure effect, so that an air compressor is not needed, a pump impeller rotating at high speed in the dissolved air pump mixes and stirs liquid and gas, a dissolved air tank is not needed, the air and the sewage are mixed in the pump in a pressurizing manner, the gas and the liquid are fully dissolved to form two-phase dissolved air water, and therefore the sewage is dissolved with oxygen in advance; the dissolved air sewage enters the aerobic tank through the bubble releaser in a micro-bubble mode, because bubbles of the dissolved air water are fine, the activated sludge on the first biological filler is easier to intercept, adsorb and degrade pollutants in the dissolved air water, meanwhile, the dissolved air water can wrap the activated sludge suspended in the water to float upwards to form a three-phase polymer, and oxygen in the dissolved air water is used for degrading the pollutants in the sewage; the gas-liquid outlet of the bubble releaser faces the bottom of the aerobic tank, so that the deposition of sludge at the bottom of the aerobic tank is reduced as much as possible, the floating speed of micro bubbles is delayed, the releasing pressure is reduced, and the contact time of the gas-dissolved water and the filler is prolonged; then, sewage in the aerobic tank rises and enters the anoxic tank from the upper part of the tank body, the sewage continuously sinks after entering the anoxic tank, dissolved oxygen in the sewage is also continuously reduced, an anoxic environment is finally formed, and the sewage is subjected to denitrification through a biological film on the biological filler II; the sewage in the anoxic tank enters the sedimentation tank from the bottom, the sedimentation tank is internally provided with an inclined tube filler, and the suspended sludge sinks to the anoxic tank and a sludge hopper at the bottom of the sedimentation tank and is periodically discharged through a sludge pump in the process that the sewage rises in the sedimentation tank; the clear water after precipitation overflows to the clear water tank from the upper part of the sedimentation tank, and can be discharged after reaching the standard after corresponding disinfection measures are taken according to requirements.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a rural domestic sewage treatment equipment of low energy consumption high efficiency which characterized in that includes:
the device comprises a regulating tank (1) and an aerobic tank (2), wherein a sewage inlet (11) is formed in the regulating tank (1);
the device comprises a dissolved air water generating device, wherein the dissolved air water generating device comprises an dissolved air pump (6), a water inlet pipe (61) of the dissolved air pump (6) extends into the regulating tank (1), and a water outlet pipe (62) of the dissolved air pump (6) is provided with a branch pipe (63);
dissolve gas-water release, dissolve gas-water release includes connecting pipe (65), bubble releaser (7), the one end of connecting pipe (65) with branch pipe (63) link to each other through detachable connecting piece (64), and the other end stretches into bottom in good oxygen pond (2), bubble releaser (7) set up the other end of connecting pipe (65), detachable connecting piece (64) are located the top in good oxygen pond (2).
2. The low-energy-consumption high-efficiency rural domestic sewage treatment equipment according to claim 1, wherein the gas-liquid outlet of the bubble releaser (7) faces the bottom of the aerobic tank (2).
3. The low-energy-consumption high-efficiency rural domestic sewage treatment equipment according to claim 1, further comprising an anoxic tank (3), a sedimentation tank (4) and a clean water tank (5), wherein the anoxic tank (3) is communicated with the upper part of the aerobic tank (2), the sedimentation tank (4) is communicated with the lower part of the anoxic tank (3), the upper part of the sedimentation tank (4) is provided with a channel (42) communicated with the clean water tank (5), and the clean water tank (5) is provided with a clean water outlet (51).
4. The low-energy-consumption high-efficiency rural domestic sewage treatment equipment according to claim 3, further comprising a mud scraping mechanism, wherein the mud scraping mechanism is arranged at the upper part in the aerobic tank (2) and the anoxic tank (3).
5. The low-energy-consumption high-efficiency rural domestic sewage treatment equipment according to claim 4, wherein the sludge scraping mechanism comprises a conveying belt (8), a scraper (81) is arranged on the conveying belt (8), and a sludge collecting groove (82) which is butted with the scraper (81) is arranged at the upper part in the anoxic pond (3).
6. The low energy consumption and high efficiency rural domestic sewage treatment apparatus of claim 1 wherein the detachable connector (64) is a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218217.XU CN216711859U (en) | 2022-01-26 | 2022-01-26 | Low-energy-consumption high-efficiency rural domestic sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218217.XU CN216711859U (en) | 2022-01-26 | 2022-01-26 | Low-energy-consumption high-efficiency rural domestic sewage treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216711859U true CN216711859U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220218217.XU Active CN216711859U (en) | 2022-01-26 | 2022-01-26 | Low-energy-consumption high-efficiency rural domestic sewage treatment equipment |
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| Country | Link |
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| CN (1) | CN216711859U (en) |
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- 2022-01-26 CN CN202220218217.XU patent/CN216711859U/en active Active
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