CN113816569A - Aeration tank foam eliminating device applied to sewage treatment system - Google Patents
Aeration tank foam eliminating device applied to sewage treatment system Download PDFInfo
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- CN113816569A CN113816569A CN202111286343.5A CN202111286343A CN113816569A CN 113816569 A CN113816569 A CN 113816569A CN 202111286343 A CN202111286343 A CN 202111286343A CN 113816569 A CN113816569 A CN 113816569A
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- aeration tank
- foam
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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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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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
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
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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
- C02F7/00—Aeration of stretches of water
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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
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an aeration tank foam eliminating device applied to a sewage treatment system, which comprises a water pump, wherein the water pump is connected with a water inlet pipeline and a water outlet pipeline, one end of the water inlet pipeline, which is far away from the water pump, is a water inlet end, the water inlet end is arranged at the middle layer position of water in a secondary sedimentation tank, the free end of the water outlet pipeline extends to the upper side of an aeration tank, a plurality of spraying devices are arranged at the free end of the water outlet pipeline, each spraying device comprises a nozzle, a flow guide head and an adjustable spraying head are arranged on each nozzle, the flow guide heads are communicated with the water outlet pipeline, the adjustable spraying heads are arranged at the water outlet end of the nozzles, and the adjustable spraying heads are used for assisting high-speed spraying water flow to a foam layer. The safety and the practicability are high, and the method is more environment-friendly than chemical elimination methods such as adding cationic polyacrylamide and the like.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an aeration tank foam eliminating device applied to a sewage treatment system.
Background
At present, most sewage treatment systems adopt an activated sludge process treatment process, the process is widely adopted worldwide, and when sewage treatment plants and sewage treatment systems adopt the activated sludge process to treat sewage, a large amount of foams are generated on the surface of an aeration tank.
Particularly in winter, because the temperature is reduced, foams in an aerobic pool and a hydrolysis pool in the sewage treatment system are easier to generate and are not easy to break, and a large amount of foams overflow out of the water pool and flow to the periphery of the water pool after a long time, so that the field attractiveness is reduced, and the surrounding environmental sanitation is influenced. In addition, once the foam covers the surface layer of the water surface in the aeration tank, oxygen deficiency in the aeration tank can be caused, and aerobic microorganisms are propagated and killed.
The elimination of foam from the surface of the aeration tank is a considerable technique to avoid the risk of aerobic microorganisms breeding and dying. Except chemical elimination methods (serious pollution and insufficient environmental protection) such as adding cationic polyacrylamide, Chinese patent No. CN201910862804.5 discloses a foam eliminating device of a sewage treatment aeration tank, the device comprises a translation mechanism and a connecting mechanism, wherein the connecting mechanism is arranged on the inner side of the lower end of the translation mechanism, the translation mechanism comprises a translation motor, a translation frame, connecting strips, pulleys, rotary rods, guide sleeve plates and a bottom limiting plate, two rotary rods are arranged at one end of the translation motor, the pulleys are arranged on the outer sides of the two ends of each rotary rod, the connecting strips are arranged on the outer sides of the middle parts of the rotary rods, the translation frame is arranged on the upper end surface of each connecting strip, a foam eliminating motor is arranged on the upper end surface of the translation frame, and five guide sleeve plates are arranged on the inner side of the translation frame, a bottom limiting plate is installed on the lower end face of one of the guide sleeve plates, and a sliding rail is installed on the lower end faces of the two pulleys. The equipment that above-mentioned scheme involved is various, and the structure is complicated, overhauls the trouble, and the motor consumption is big, and only has the function that the foam was eliminated, can't compromise other functions simultaneously, functions such as waste water resource is applied mechanically and is reduced the emission of carbon, does not conform to the call that the national environmental protection, energy saving and emission reduction, carbon neutralized, carbon reached the peak.
Disclosure of Invention
The invention aims to provide an aeration tank foam eliminating device applied to a sewage treatment system, and aims to solve the problems that in the prior art, energy conservation and environmental protection cannot be considered while aeration tank foam is removed, wastewater is used indiscriminately, and resources are fully utilized.
The technical scheme adopted by the invention is as follows: the aeration tank foam eliminating device is connected between a secondary sedimentation tank and an aeration tank, the secondary sedimentation tank comprises a secondary sedimentation tank body and secondary sedimentation tank water arranged inside the secondary sedimentation tank body, the aeration tank comprises an aeration tank body and aeration tank water arranged inside the aeration tank body, a foam layer floats on the upper end of the aeration tank water, the aeration tank foam eliminating device comprises a water pump, the water pump is connected with a water inlet pipeline and a water outlet pipeline, one end of the water inlet pipeline, which is far away from the water pump, is a water inlet end, the water inlet end is arranged at the middle layer position of the secondary sedimentation tank water, the free end of the water outlet pipeline extends to the upper side of the aeration tank, a plurality of spray devices are arranged on the free end of the water outlet pipeline, and each spray device comprises a nozzle, the spray nozzle is provided with a flow guide head and an adjustable spray head, the flow guide head is communicated with the water outlet pipeline, the adjustable spray head is positioned at the water outlet end of the spray nozzle, and the adjustable spray head is used for assisting high-speed sprayed water to flow to the foam layer.
The working principle of the invention is briefly described as follows: the invention provides power by a water pump, absorbs the water in the secondary sedimentation tank at the middle layer position in the secondary sedimentation tank by a water inlet pipeline, and transmits the water to a spraying device at the upper end of an aeration tank by a water outlet pipeline, and the spraying device carries out high-speed water flow or water drop impact on the foam floating on the upper surface of the aeration tank at multiple angles and in a wide range, so that the foam is broken, and the physical foam is eliminated.
The elimination of the foam ensures that the foam in the aeration tank does not overflow out of the water tank, and the environment beauty and the effluent quality of the sewage treatment system are ensured.
Preferably, the water inlet pipeline and the water outlet pipeline are made of any one of PVC, PPR, galvanized steel and stainless steel.
In order to reduce the influence of long-time illumination on the aging of the pipeline material and comprehensively consider the cost problem of the material, most of the water inlet pipeline and the water outlet pipeline can be placed in an outdoor open environment, and the material of the pipeline is preferably PVC, PPR, galvanized steel, stainless steel and the like.
Preferably, the water pump is a booster pump and is used for assisting in pumping the water in the secondary sedimentation tank and increasing the water pressure of the water in the secondary sedimentation tank in the water outlet pipeline.
Preferably, a water quality filter is arranged on the water inlet end.
The working principle of the secondary sedimentation tank is briefly described as follows: generally, a central guide cylinder is arranged at the center of the secondary sedimentation tank, a water inlet is arranged on the side wall of the central guide cylinder, sewage enters the central guide cylinder through the water inlet and is discharged into the secondary sedimentation tank body from top to bottom, the lower end of the central guide cylinder is in a horn mouth shape, and a reflecting plate is arranged at the lower end of the horn mouth, so that the sewage is uniformly distributed in the tank and slowly rises along the whole section of the secondary sedimentation tank body. Suspended matters sink into a conical sludge hopper at the bottom of the tank under the action of gravity, and clarified water is discharged from an overflow weir around the upper end of the tank. Therefore, the water quality of the middle depth position of the water in the secondary sedimentation tank is relatively less in impurity, and can be used as the input position of a water source, so that the secondary pollution can not be caused when the water enters the aeration tank, and the blockage of a water inlet pipeline, a water outlet pipeline, a water pump and a spraying device can not be caused.
In actual operation, can be according to the sewage quality of water in the secondary sedimentation pond, select the water pump to use clean water pump or booster pump, the main function of water pump is as hydraulic power supply, can absorb secondary sedimentation pond water from the secondary sedimentation pond through the inlet channel, then with water pressure boost to carry to spray set through outlet conduit, guarantee through adjustable shower head spun rivers or water droplet be in high-speed injection state.
Preferably, the adjustable spray header is provided with a spray conversion device, the spray conversion device is used for adjusting the spray mode of the adjustable spray header, and the spray modes are at least three, namely a hollow conical mode, a solid conical mode and a fan-shaped mode.
It should be noted that, in the production process of the adjustable spray header, the workpiece can be selectively adjusted according to different spraying positions and different spraying directions. The spray conversion device can be used for replacing the spray mode of the adjustable spray header, different spray modes can be selected according to actual conditions, and physical breaking type elimination of foam in the foam layer can be ensured in multiple choices, multiple angles and multiple ranges.
Preferably, the adjustable spray header is a spherical spray head, a universal joint is arranged on the spherical spray head, and the universal joint is connected with the spray nozzle. In the present invention, the ball-shaped spray head is a universal joint that can be used for various types of spray nozzles to achieve directional adjustment or deflection.
Preferably, a sealing gasket is arranged at the connecting position of the flow guide head and the water outlet pipeline. The design of the sealing gasket can ensure that the joint of the flow guide head and the water outlet pipeline cannot leak.
Preferably, a plurality of water spraying holes are formed in the adjustable spray header, and water flow or water drops are sprayed out of the water spraying holes at high speed and impact the foam in the foam layer.
According to the invention, the size of water drops sprayed by the adjustable spray header and the flow velocity of the water drops or the water flow spraying can be controlled and adjusted according to the foam generation quantity on the upper surface of the aeration tank, so that the water flow sprayed by the spray device is not too much or too little, sewage is fully utilized, the environment is protected, the carbon emission is reduced, the operation is simple, and the safety performance is high.
More preferably, a plurality of the spraying devices are distributed above the aeration tank at intervals, and a spraying area formed by the spraying devices covers the upper surface of the foam layer completely.
Compared with the prior art, the invention has the following beneficial effects:
1. the adjustable spray header can provide multiple spray modes, can provide three spray modes of a hollow cone type, a solid cone type and a fan shape, all types of nozzles can use the universal joint to realize direction adjustment or deflection, and in the production process, workpieces can be selectively adjusted according to different spray positions and different spray directions, so that the multifunctional function is realized.
2. The water inlet end of the invention is arranged in the middle of the water in the secondary sedimentation tank, and the water in the secondary sedimentation tank is utilized to realize the reuse of waste water, save tap water, protect the environment, reduce the discharge of carbon and realize the national carbon peak reaching and carbon neutralization targets.
3. The water flow or water drops jetted by the adjustable spray header at a high speed impact the foam in the aeration tank, so that the foam is broken, the method is a physical elimination method, the operation has high safety and practicability, and chemical elimination methods such as cationic polyacrylamide are added in contrast, so that the method is more environment-friendly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a simplified overall structure of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
fig. 3 is a partially enlarged view of part B of the present invention.
In the drawings are labeled: 1-secondary sedimentation tank body, 2-secondary sedimentation tank water, 3-central guide cylinder, 301-water inlet, 302-bell mouth, 303-reflecting plate, 4-water inlet pipeline, 5-water pump, 6-water outlet pipeline, 7-guide head, 8-nozzle, 9-adjustable spray head, 10-aeration tank body, 11-aeration device, 12-aeration tank water, 13-foam layer, 14-supporting seat, 15-activated sludge return pipe and 16-secondary sedimentation tank sludge pump.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The specific implementation scheme is as follows: referring to fig. 1-3, the invention is an aeration tank foam removing device applied in a sewage treatment system, the aeration tank foam removing device is connected between a secondary sedimentation tank and an aeration tank, the secondary sedimentation tank comprises a secondary sedimentation tank body 1 and secondary sedimentation tank water 2 arranged in the secondary sedimentation tank body 1, the aeration tank comprises an aeration tank body 10 and aeration tank water 12 arranged in the aeration tank body 10, a foam layer 13 floats on the upper end of the aeration tank water 12, the aeration tank foam removing device comprises a water pump 5, the water pump 5 is connected with a water inlet pipeline 4 and a water outlet pipeline 6, one end of the water inlet pipeline 4 far away from the water pump 5 is a water inlet end, the water inlet end is arranged at the middle layer position of the secondary sedimentation tank water 2, the free end of the water outlet pipeline 6 extends to the upper side of the aeration tank, in addition, the free end of the water outlet pipeline 6 is provided with a plurality of spray devices, the spray devices comprise nozzles 8, the nozzle 8 is provided with a flow guide head 7 and an adjustable spray head 9, the flow guide head 7 is communicated with the water outlet pipeline 6, the adjustable spray head 9 is positioned at the water outlet end of the nozzle 8, and the adjustable spray head 9 is used for assisting high-speed sprayed water to flow to the foam layer 13.
The working principle of the invention is briefly described as follows: the invention uses the water pump 5 to provide power, uses the water inlet pipe 4 to absorb the water 2 in the secondary sedimentation tank at the middle layer position, and transmits the water to the spraying device at the upper end of the aeration tank through the water outlet pipe 6, the spraying device can carry out high-speed water flow or water drop impact on the foam floating on the upper surface of the aeration tank in a wide range at multiple angles, so that the foam is broken, and the physical foam is eliminated.
The elimination of the foam ensures that the foam in the aeration tank does not overflow out of the water tank, and the environment beauty and the effluent quality of the sewage treatment system are ensured.
Specifically, the water inlet pipe 4 and the water outlet pipe 6 are made of any one of PVC, PPR, galvanized steel and stainless steel.
In order to reduce the influence of long-time illumination on the aging of the pipeline material and comprehensively consider the cost problem of the material, most of the water inlet pipeline 4 and the water outlet pipeline 5 are placed in an outdoor open environment, and the material of the pipeline is preferably PVC, PPR, galvanized steel, stainless steel and the like.
In addition, the water pump 5 is a booster pump, and is used for assisting in pumping the secondary sedimentation tank water 2 and increasing the water pressure of the secondary sedimentation tank water 2 in the water outlet pipeline 6.
In this embodiment, the water inlet end is provided with a water filter.
The working principle of the secondary sedimentation tank is briefly described as follows: generally, a central guide cylinder 3 is arranged at the center of the secondary sedimentation tank, a water inlet 301 is arranged on the side wall of the central guide cylinder 3, sewage enters the central guide cylinder 3 through the water inlet 301 and is discharged into the secondary sedimentation tank body 1 from top to bottom, the lower end of the central guide cylinder 3 is in a horn-shaped 302 shape, and a reflecting plate 303 is arranged at the lower end of the horn-shaped 302, so that the sewage is uniformly distributed in the tank and slowly rises along the whole section of the secondary sedimentation tank body 1. Suspended matters sink into a conical sludge hopper at the bottom of the tank under the action of gravity, and clarified water is discharged from an overflow weir around the upper end of the tank. Therefore, the water quality of the middle depth position of the secondary sedimentation tank water 2 is relatively less in impurity, and can be used as an input position of a water source, so that secondary pollution can not be caused when the water enters the aeration tank, and the water inlet pipeline 4, the water outlet pipeline 6, the water pump 5 and the spraying device can not be blocked.
In actual operation, the water pump 5 can be selected to use a clean water pump or a booster pump according to the quality of the sewage in the secondary sedimentation tank, and if the quality of the water is poor, a water quality filter can be additionally arranged at the water inlet end. The main function of the water pump 5 is as a hydraulic power source, and the water in the secondary sedimentation tank 2 can be sucked from the secondary sedimentation tank through the water inlet pipeline 4, then the water is pressurized and is conveyed to the spraying device through the water outlet pipeline 6, so that the water flow or water drops sprayed by the adjustable spray header are ensured to be in a high-speed spraying state.
In the invention, as shown in figure 1, an activated sludge return pipe 15 is arranged in the conical sludge hopper, the activated sludge return pipe 15 is communicated with an external secondary sedimentation tank sludge pump 16, and the sludge below the secondary sedimentation tank is discharged in a return way through the secondary sedimentation tank sludge pump 16. An aeration device 11 is arranged at the bottom end in the aeration tank body 10 and is used for carrying out aeration treatment on water in the aeration tank.
As a preferred embodiment of this embodiment, the adjustable spray header 9 is provided with a spray changing device, and the spray changing device is used for adjusting the spray pattern of the adjustable spray header 9, and the spray pattern has at least three kinds, which are respectively a hollow cone shape, a solid cone shape and a fan shape.
It should be noted that, in the production process, the adjustable spray header 9 can be selectively adjusted according to different spray positions and different spray directions. The spray conversion device can be used for replacing the spray mode of the adjustable spray header, different spray modes can be selected according to actual conditions, and physical breaking type elimination of foam in the foam layer 13 can be ensured in multiple choices, multiple angles and multiple ranges.
Then, in the invention, the adjustable spray head 9 adopts a spherical spray head, and the spherical spray head is provided with a universal joint which is connected with a nozzle. In the present invention, the ball-shaped spray head is a universal joint, and various types of spray nozzles 8 can be used to achieve directional adjustment or deflection.
And a sealing gasket is arranged at the connecting position of the flow guide head 7 and the water outlet pipeline 6. The design of the sealing gasket can ensure that the joint of the flow guide head 7 and the water outlet pipeline 6 cannot leak.
As another preferred embodiment of this embodiment, the adjustable shower head 9 is provided with a plurality of water spraying holes, wherein water flow or water drops are sprayed from the water spraying holes at high speed and impact the foam in the foam layer 13.
In the invention, the size of water drops sprayed by the adjustable spray header 9 and the flow velocity of the water drops or the water flow spraying can be controlled and adjusted according to the generated quantity of the foam on the upper surface of the aeration tank, so that the water flow sprayed by the spray device is not too much or too little, sewage is fully utilized, the environment is protected, the carbon emission is reduced, the operation is simple, and the safety performance is high.
More specifically, a plurality of spraying devices are distributed above the aeration tank at intervals, and a spraying area formed by the plurality of spraying devices covers the upper surface of the complete foam layer 13.
The above description of the present invention is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention as described in the specification and drawings or applied directly/indirectly to other related fields are encompassed in the scope of the present invention.
Claims (9)
1. An aeration tank foam eliminating device applied to a sewage treatment system is connected between a secondary sedimentation tank and an aeration tank, the secondary sedimentation tank comprises a secondary sedimentation tank body and secondary sedimentation tank water arranged inside the secondary sedimentation tank body, the aeration tank comprises an aeration tank body and aeration tank water arranged inside the aeration tank body, a foam layer floats on the upper end of the aeration tank water, and is characterized in that the aeration tank foam eliminating device comprises a water pump which is connected with a water inlet pipeline and a water outlet pipeline, one end of the water inlet pipeline, which is far away from the water pump, is a water inlet end which is arranged at the middle layer position of the secondary sedimentation tank water, the free end of the water outlet pipeline extends to the upper side of the aeration tank, a plurality of spraying devices are arranged on the free end of the water outlet pipeline, and each spraying device comprises a nozzle, the spray nozzle is provided with a flow guide head and an adjustable spray head, the flow guide head is communicated with the water outlet pipeline, the adjustable spray head is positioned at the water outlet end of the spray nozzle, and the adjustable spray head is used for assisting high-speed sprayed water to flow to the foam layer.
2. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 1, wherein the water inlet pipe and the water outlet pipe are made of any one of PVC, PPR, galvanized steel and stainless steel.
3. The aeration tank foam eliminating device applied to the sewage treatment system as recited in claim 1, wherein the water pump is a booster pump for assisting in pumping the secondary sedimentation tank water and increasing the water pressure of the secondary sedimentation tank water in the water outlet pipeline.
4. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 1, wherein a water quality filter is arranged on the water inlet end.
5. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 1, wherein the adjustable spray header is provided with a spray changing device, the spray changing device is used for adjusting a spray mode of the adjustable spray header, and the spray modes are at least three, namely a hollow cone type, a solid cone type and a fan type.
6. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 1, wherein the adjustable spray header is a ball-shaped spray header, and a universal joint is arranged on the ball-shaped spray header and connected with the spray nozzle.
7. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 1, wherein a sealing gasket is arranged at the connecting position of the flow guide head and the water outlet pipeline.
8. The aeration tank foam eliminating device applied to the sewage treatment system according to any one of claims 1 to 7, wherein the adjustable spray header is provided with a plurality of water spraying holes, and water flow or water drops are sprayed from the water spraying holes at high speed and impact the foam in the foam layer.
9. The aeration tank foam eliminating device applied to the sewage treatment system according to claim 8, wherein a plurality of the spraying devices are distributed at intervals above the aeration tank, and a spraying area formed by the spraying devices together covers the upper surface of the foam layer completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286343.5A CN113816569A (en) | 2021-11-02 | 2021-11-02 | Aeration tank foam eliminating device applied to sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286343.5A CN113816569A (en) | 2021-11-02 | 2021-11-02 | Aeration tank foam eliminating device applied to sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN113816569A true CN113816569A (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111286343.5A Pending CN113816569A (en) | 2021-11-02 | 2021-11-02 | Aeration tank foam eliminating device applied to sewage treatment system |
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| CN (1) | CN113816569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425247A (en) * | 2023-04-26 | 2023-07-14 | 山鹰华南纸业有限公司 | Defoaming spraying method and defoaming spraying device for bamboo fiber recovery liquid |
-
2021
- 2021-11-02 CN CN202111286343.5A patent/CN113816569A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425247A (en) * | 2023-04-26 | 2023-07-14 | 山鹰华南纸业有限公司 | Defoaming spraying method and defoaming spraying device for bamboo fiber recovery liquid |
| CN116425247B (en) * | 2023-04-26 | 2024-03-15 | 山鹰华南纸业有限公司 | Defoaming spraying method and defoaming spraying device for bamboo fiber recovery liquid |
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