CN108911118B - Water-driven biological film self-aerator - Google Patents

Water-driven biological film self-aerator Download PDF

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Publication number
CN108911118B
CN108911118B CN201811122523.8A CN201811122523A CN108911118B CN 108911118 B CN108911118 B CN 108911118B CN 201811122523 A CN201811122523 A CN 201811122523A CN 108911118 B CN108911118 B CN 108911118B
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Prior art keywords
water bucket
water
biological film
biomembrane
hydrodynamic
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CN201811122523.8A
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CN108911118A (en
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肖国富
雷继雨
郑敏军
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Hunan Chuangqing Environmental Technology Co ltd
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Hunan Chuangqing Environmental Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/08Aerobic processes using moving contact bodies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (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 a hydrodynamic biological film self-aerator, which comprises two supports and a rotating shaft, wherein the two supports are distributed on two sides, the rotating shaft spans between the two supports, the two ends of the rotating shaft are respectively supported by rotating through bearing seats and the corresponding supports, the left side and the right side of the rotating shaft are respectively provided with a plurality of circumferentially arranged water bucket biological film drums, a space surrounded by the water bucket biological film drums and the two amplitude discs is filled with central filling materials, the water bucket biological film drums comprise water buckets and biological film drums, one side of each water bucket is provided with a water bucket opening, the other side of each water bucket is provided with a water bucket pressure relief opening, the water bucket pressure relief opening is provided with a rubber plate valve plate, the biological film drums are filled with biological film drum filling materials, the bottoms of the biological film drums are provided with filling material holes and unloading air holes, and one side of each biological film drum is provided with a biological film drum opening. The aerator with the structure has the advantages of simple structure, low cost, reliable transmission and high aeration efficiency, and can ensure that the transmission water also plays an aeration role.

Description

Water-driven biological film self-aerator
Technical Field
The invention relates to the technical field of sewage comprehensive treatment equipment, in particular to a hydrodynamic biomembrane self-aerator.
Background
At present, the aeration mode of the aerobic biological treatment of sewage is mainly to adopt compressed air to release gas below the sewage liquid surface for aeration through a corundum aerator, a rotary mixing aerator, a disc type membrane microporous aerator, a tubular aerator, a microporous nano aeration coil pipe, an automatic sedimentation aeration tube and the like; there are also self-priming gas-liquid mixing pump (above the liquid level) and submerged jet aerator (below the liquid level), in which air sucked by the negative pressure of the water pump is stirred together with water by the impeller of the water pump, and after the air bubbles are finely stirred and dispersed, the air bubbles enter the aerobic tank together with water to complete aeration. The self-aeration biomembrane reactor is composed of a plurality of G-shaped disc cylinders which are laminated and fixed together, have sealed two ends, are filled with adsorbing materials such as biomembrane, filler and the like, and are combined into a roller structure similar to a ferris wheel through a supporting frame and a central rotating shaft. The air is brought into the position below the sewage level by the cylinder to be released for aeration by the transmission of the chain and the chain wheel.
The self-aeration biomembrane reactor has the advantages of simple structure, low cost, compact system and process links, convenient manufacture of integrated equipment, pipeline cost saving, civil engineering cost saving and the like. Has been widely used. However, the existing self-aeration biofilm reactor adopts chain and sprocket transmission, so that the defects of complicated transmission mechanism and large consumption of electric energy exist, and the chain and sprocket is exposed in the atmosphere and sewage, so that lubrication is easy to lose effectiveness, the transmission efficiency is reduced, and the surface anti-corrosion layer is easy to lose effectiveness, so that the chain and sprocket is oxidized and corroded, even broken and the like.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of the prior art, and provides the hydrodynamic biomembrane self-aerator which has the advantages of simple transmission structure, low cost, reliable transmission and high aeration efficiency, and can ensure that the transmission water also plays an aeration role at the same time, so that sewage in an aerobic tank of a sewage treatment system can be aerated economically, quickly and conveniently, oxygen is supplemented for microorganisms, and pollutant degradation in the sewage is completed.
The invention solves the problems by the following technical means: the utility model provides a hydrodynamic biomembrane is from aeration machine, includes two supports that distribute in both sides and spanes between two supports and both ends are respectively through the pivot of bearing frame and corresponding support rotation support, the left and right sides of pivot all is provided with the width of cloth dish, spanes between two width of cloth dishes and is provided with the bucket biomembrane section of thick bamboo that a plurality of circumferences are arranged, the space intussuseption that the bucket biomembrane section of thick bamboo encloses with two width of cloth dishes is filled with central packing, and bucket biomembrane section of thick bamboo includes bucket and biomembrane section of thick bamboo, bucket one side is the bucket opening, and the bucket pressure release mouth has been seted up to the opposite side, bucket pressure release mouth department is provided with the offset valve sheet, biofilm section of thick bamboo intussuseption is filled with the biofilm section of thick bamboo packing, and the filler mouth and the off-load gas pocket have been seted up to biofilm section of thick bamboo bottom, and biofilm section of thick bamboo one side is the open.
Further, both sides of the water bucket biomembrane barrel are respectively and firmly connected with the top edges of the corresponding amplitude discs through bolt assemblies.
Further, the biological membrane cylinders of the plurality of water hoppers are circumferentially and uniformly distributed.
Further, the water bucket and the biomembrane barrel are integrally formed.
Further, the shaft is assembled or welded with the web.
Further, the bearing seat is a sliding bearing seat adopting a sliding bearing or a rolling bearing seat adopting a rolling bearing.
Further, the support is a reinforced concrete seat or a steel frame support.
Further, the outside of the water bucket is provided with a water retaining convex strip, and the water retaining convex strip and the rubber plate valve plate are positioned on the same side wall of the water bucket and above the rubber plate valve plate.
The invention has the beneficial effects that: the invention relates to a hydrodynamic biological film self-aerator, which is characterized in that a water bucket and a biological film cylinder are made into a whole, the hydrodynamic biological film self-aerator rotates around a rotating shaft assembly by utilizing the gravity action of water in the water bucket, and the hydrodynamic biological film self-aerator sucks air from the biological film cylinder, so that microorganisms attached to the filler of the biological film cylinder in the biological film cylinder fully absorb oxygen, and simultaneously the air sucked into the cylinder is brought into the position below the liquid surface to be released by rotating the biological film cylinder, so that the main underwater aeration work is completed. The hydrodynamic biomembrane self-aerator cancels the mechanical transmission mode of the original equipment adopting chain and sprocket transmission, completely reduces or avoids the defects of complex transmission mechanism, multiple faults, easy corrosion, low transmission efficiency and large transmission loss, and simultaneously mainly serves as water with a transmission function, and completes an additional aeration work because of being in contact with the atmosphere while being used as transmission power. The hydrodynamic biomembrane self-aerator has the advantages of no mechanical transmission mechanism, simple structure, high strength, few faults, difficult damage, low manufacturing cost, low operation energy consumption, convenient operation and management and reduced sewage treatment cost.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a semi-sectional overlapping view of the subject structure;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of a bucket biofilm cartridge.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown.
1-3, the hydrodynamic biological film self-aerator comprises a rotating shaft 1, a web plate 2, a central filler 3, a water bucket biological film cylinder 4, a water bucket 5, an unloading air hole 6, a biological film cylinder 7, a biological film cylinder filler 8, a rubber plate valve plate 9, a bolt component 10, a bearing seat 11, a support 12, a water bucket pressure relief opening 13, a biological film cylinder opening 14, a filler adding opening 15, a water bucket opening 16, a water retaining convex strip 17 and the like.
Specifically, the device comprises two supports 12 distributed on two sides, the supports 12 are reinforced concrete seats or steel frame seats integrated with the bottom seat of the aerobic tank, the rotating shaft 1 spans between the two supports 12, two ends of the rotating shaft are respectively connected with corresponding supports in a rotating and supporting manner through bearing blocks 11, the bearing blocks are sliding bearing blocks adopting sliding bearings or waterproof rolling bearing blocks adopting rolling bearings, and the rotating shaft 1 not only supports the rotating shaft center of the self-aerator but also bears the weight of the whole self-aerator. The left and right sides of the rotating shaft 1 are both provided with a frame disc 2, the rotating shaft and the frame disc can be assembled or welded together according to specific conditions, a plurality of water bucket biomembrane barrels 4 which are circumferentially and uniformly distributed are arranged between the two frame discs 2 in a straddling way, two sides of each water bucket biomembrane barrel are respectively and firmly connected with the top edges of the corresponding frame disc 2 through bolt assemblies 10, a space enclosed by each water bucket biomembrane barrel 4 and the two frame discs 2 is filled with a central filler 3, and the central filler 3 can be one or a combination of a fibrous filler, a combined filler, a three-dimensional filler, a suspension ball, a hollow ball, a pall ring and the like, and the space enclosed by the frame discs, the partition plates and the water bucket biomembrane barrels can be sealed by using ropes for fixing the combined filler, the three-dimensional filler and the like, and the space enclosed by the frame discs can be uniformly provided with a plurality of partition plates in a circumferential direction.
The water bucket biological film cylinder 4 comprises a water bucket 5, a biological film cylinder 7 and a water retaining convex strip 17 which are integrally formed, wherein the whole water bucket is in a shape of a '6', one side of the water bucket is provided with a water bucket opening 16, the other side of the water bucket is provided with a water bucket pressure relief opening 13, the water bucket pressure relief opening is provided with a rubber plate valve plate 9, the water retaining convex strip 17 and the rubber plate valve plate 9 are positioned on the same water bucket side wall, the water retaining convex strip 17 is positioned on the outer side of the water bucket and above the rubber plate valve plate 9, the biological film cylinder 7 is arranged at the bottom of the water bucket, the biological film cylinder is internally filled with biological film cylinder filling material 8, the bottom of the biological film cylinder is provided with a filling material adding opening 15 and unloading air holes 6, and the filling material adding opening is used for adding the central filling material 3, and one side of the biological film cylinder is provided with the biological film cylinder opening 14.
The water bucket biomembrane barrel 4 is formed by integrating a water bucket 5 which holds water and takes water gravity as the rotation power of the water driven biomembrane self-aerator and a biomembrane barrel 7 which is filled with biomembrane barrel filler 8, and the biomembrane barrel 7 is driven by the water bucket 5 to rotate around the rotating shaft 1. When the biomembrane barrel 7 and the water bucket 5 are above the water surface, the water distribution system arranged on one side of the upper part of the hydrodynamic biomembrane self-aerator is used for providing power water for the water bucket 5 to form rotary power through receiving the sewage entering the pool or the aerobic pool water pumped by the water pump. The water retaining convex strips 17 are used for spraying the power water outside the water bucket 5 into the water bucket 5 by the water distribution system, so that the hydrodynamic force is improved. The water distribution system comprises a water pump and a water distribution pipe, water spraying holes are formed in the water distribution pipe, the biological film cylinder 7 sucks air, microorganisms attached to the biological film cylinder filler 8 in the biological film cylinder 7 fully absorb oxygen in the air, meanwhile, the biological film cylinder 7 brings the air sucked into the cylinder to be released below the liquid level through rotation, main underwater aeration is carried out, and the biological film cylinder 7 is completely occupied by water along with the end of aeration. Along with the rotation, the biomembrane section of thick bamboo 7 and the water bucket 5 leave the surface of water, and the water bucket 5 is provided with the side up of water bucket pressure release mouth (bottom) this moment, pastes the automatically opened of offset plate valve block 9 on water bucket pressure release mouth 13, and the air gets into for water bucket 5 pressure release from water bucket pressure release mouth 13, and the water in the water bucket 5 is empty from water bucket open 16, and the next round moisturizing is met. Meanwhile, air enters the biomembrane barrel 7 through the biomembrane barrel opening 14, the biomembrane barrel 7 is decompressed, and water entering the biomembrane barrel 7 because the air is released for aeration is slowly discharged from the unloading air hole 6 at the bottom of the biomembrane barrel 7, and fresh air is supplemented to meet the next round of water entering aeration.
In order to make the technical scheme clearer, the water transmission and self-explosion process in the application is described in detail as follows: the sewage is pumped from the aerobic tank by using the water pump, and under the condition of the condition, the sewage with the fall or other water sources higher than the hydrodynamic biomembrane self-aerator is used for injecting water into the water bucket 5 through the water distribution system, at the moment, the rubber plate valve plate 9 at the bottom of the water bucket 5 is tightly attached to the bottom of the water bucket 5 under the action of water pressure, the pressure relief opening 13 of the water bucket is blocked, and the water injection in the water bucket 5 is prevented from leaking. As the water surface in the bucket 5 rises, the hydrodynamic biofilm rotates with it from the aerator when its gravity exceeds the rotational resistance of the hydrodynamic biofilm from the aerator. With rotation, the rear water bucket 5 is then connected with water to supplement the rotation power. With the rotation, the microorganisms attached to the drum filler 8 in the biofilm cartridge 7 are fully contacted with the air to absorb the oxygen in the air, and the biofilm cartridge 7 with the inner cavity filled with the air is pressed into the water. Due to the action of water pressure, air in the inner cavity of the biomembrane barrel 7 is extruded by water from the unloading air hole 6, and aeration is completed under water. While the space in the inner cavity of the biofilm cartridge 7 is filled by water being squeezed in from the biofilm cartridge opening 14. When the water bucket biomembrane barrel 4 leaves the water surface, the bottom of the water bucket 5 is upwards, the rubber plate valve plate 9 at the bottom of the water bucket is automatically opened, air can enter, the vacuum negative pressure in the inner cavity of the water bucket 5 is eliminated, and water in the water bucket 5 is smoothly emptied from the water bucket opening 16 and is injected into the water next time. The inner cavity of the biological film cylinder 7 is filled with air through the opening 14 of the biological film cylinder, the vacuum negative pressure of the inner cavity of the biological film cylinder 7 is eliminated, the water in the inner cavity of the biological film cylinder 7 is slowly emptied through the unloading air hole 6, the effect of water dripping aeration is achieved, the inner cavity of the biological film cylinder 7 is smoothly filled with air, microorganisms attached to the filler 8 of the biological film cylinder in the biological film cylinder 7 are fully contacted with the air again, oxygen in the air is absorbed, the biological film cylinder 7 is filled with air, and the next water inlet is met for underwater aeration.
The rotating speed of the hydrodynamic biomembrane self-aerator can be controlled by adjusting the water quantity or changing the water pump flow to realize stepless speed regulation. The sewage for power is fully contacted with air in the flowing process while the power is applied, and the sewage is equivalent to additional aeration.
The hydrodynamic biomembrane self-aerator has the advantages of simple structure, low cost, compact system and process links, convenience for manufacturing integrated equipment, and pipeline cost and civil engineering cost saving. And the advantages of reliable transmission, lower failure rate, energy conservation, consumption reduction, simple operation and maintenance and the like are added, and the rust failure of the transmission part can be prevented.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (8)

1. A hydrodynamic biomembrane self-aerator is characterized in that: including distributing two supports in both sides and spaning between two supports and both ends respectively through the pivot of bearing frame and corresponding support rotation support, the left and right sides of pivot all is provided with the width of cloth dish, spans between two width of cloth dishes and is provided with a plurality of water bucket biomembrane section of thick bamboo that circumference was arranged, water bucket biomembrane section of thick bamboo and the space intussuseption that two width of cloth dishes enclose are filled with central packing, and water bucket biomembrane section of thick bamboo includes water bucket and biomembrane section of thick bamboo, water bucket one side is the uncovered of water bucket, and the water bucket pressure release mouth has been seted up to the opposite side, water bucket pressure release mouth department is provided with the offset valve block, the biofilm section of thick bamboo intussuseption is filled with biomembrane section of thick bamboo packing, and filler mouth and off-load gas pocket have been seted up to biomembrane section of thick bamboo bottom, and biomembrane section of thick bamboo one side is the uncovered of thick bamboo.
2. The hydrodynamic biofilm self-aerator according to claim 1, wherein: the two sides of the water bucket biological film cylinder are respectively and firmly connected with the top edge of the corresponding spoke plate through bolt assemblies.
3. The hydrodynamic biofilm self-aerator according to claim 2, wherein: the biological film cylinders of the plurality of water hoppers are circumferentially and uniformly distributed.
4. A hydrodynamic biofilm self-aerator as claimed in claim 3 wherein: the water bucket and the biological film cylinder are integrally formed.
5. The hydrodynamic biofilm self-aerator according to claim 4, wherein: the shaft is assembled or welded with the web.
6. The hydrodynamic biofilm self-aerator according to claim 5, wherein: the bearing seat is a sliding bearing seat adopting a sliding bearing or a rolling bearing seat adopting a rolling bearing.
7. The hydrodynamic biofilm self-aerator according to claim 6, wherein: the support is a reinforced concrete seat or a steel frame support.
8. A hydrodynamic biofilm self aerator according to any of claims 1-7, wherein: the water bucket outside is provided with the manger plate sand grip, manger plate sand grip and offset plate valve block are in same water bucket lateral wall and are located the top of offset plate valve block.
CN201811122523.8A 2018-09-26 2018-09-26 Water-driven biological film self-aerator Active CN108911118B (en)

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Publication number Priority date Publication date Assignee Title
CN115340265A (en) * 2022-10-19 2022-11-15 广东新泰隆环保集团有限公司 Energy-saving and integrated sewage treatment device

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ZA931219B (en) * 1993-02-01 1993-12-23 Jet Inc Wastewater treatment process and apparatus
JP2004223320A (en) * 2003-01-20 2004-08-12 Hoomaa Clean Kk Aeration treatment device
CN1654359A (en) * 2004-12-24 2005-08-17 华南理工大学 Rotating cage type floating stuffing biological sewage treatment method and equipment thereof
CN102502954A (en) * 2011-11-17 2012-06-20 北京沃安特环境科技有限公司 Self-aerated biofilm reactor and sewage treatment system applying same
CN202369439U (en) * 2011-11-24 2012-08-08 湖南先科环保有限公司 Novel sewage treatment device
CN105174434A (en) * 2015-10-13 2015-12-23 浙江宏电环保科技有限公司 Hydrodynamic biological rotating disc sewage treatment equipment
CN208883563U (en) * 2018-09-26 2019-05-21 湖南创清环境技术有限公司 A kind of hydrodynamic(al) biomembrane is from aerator

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Publication number Priority date Publication date Assignee Title
CN102849844B (en) * 2012-10-10 2014-12-10 南京大学 Coupling bioreactor and method for simultaneously purifying malodorous gas and waste water by using same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA931219B (en) * 1993-02-01 1993-12-23 Jet Inc Wastewater treatment process and apparatus
JP2004223320A (en) * 2003-01-20 2004-08-12 Hoomaa Clean Kk Aeration treatment device
CN1654359A (en) * 2004-12-24 2005-08-17 华南理工大学 Rotating cage type floating stuffing biological sewage treatment method and equipment thereof
CN102502954A (en) * 2011-11-17 2012-06-20 北京沃安特环境科技有限公司 Self-aerated biofilm reactor and sewage treatment system applying same
CN202369439U (en) * 2011-11-24 2012-08-08 湖南先科环保有限公司 Novel sewage treatment device
CN105174434A (en) * 2015-10-13 2015-12-23 浙江宏电环保科技有限公司 Hydrodynamic biological rotating disc sewage treatment equipment
CN208883563U (en) * 2018-09-26 2019-05-21 湖南创清环境技术有限公司 A kind of hydrodynamic(al) biomembrane is from aerator

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