CN101602542B - Aerating device - Google Patents

Aerating device Download PDF

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Publication number
CN101602542B
CN101602542B CN2008101149056A CN200810114905A CN101602542B CN 101602542 B CN101602542 B CN 101602542B CN 2008101149056 A CN2008101149056 A CN 2008101149056A CN 200810114905 A CN200810114905 A CN 200810114905A CN 101602542 B CN101602542 B CN 101602542B
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aeration
aerating
aeration tube
aerating apparatus
tube
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CN101602542A (en
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李建国
邵源
张华�
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BDP (BEIJING) ENVIRONMENTAL PROTECTION Co Ltd
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BDP (BEIJING) ENVIRONMENTAL PROTECTION Co Ltd
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    • 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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  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The invention discloses an aerating device which comprises an air allotting device and a plurality of aerating pipes, wherein the air allotting device is communicated with the aerating pipes; and aerating micropores are arranged on the aerating pipes. The aerating device is characterized in that a distance between the adjacent aerating pipes is from 80 mm to 300 mm, and at least 2,000 aerating micropores are arranged on each aerating pipe. Compared with the prior art, the aerating device has 80 mm to 300 mm of distance between the adjacent aerating pipes and reasonable aerating pipe distance setting, improves oxygenation efficiency, and can not only reduce aerating power consumption, but also eliminate an aerating blind zone, lead dissolved oxygen concentration in sewage to be more balanced and supply a softer growing environment to microorganisms so as to more effectively and thoroughly remove various pollutants in water.

Description

A kind of aerating apparatus
Technical field
The present invention relates to a kind of waste disposal plant parts, relate in particular to a kind of aerating apparatus, belong to water-treatment technology field.
Background technology
Along with the development of society, the problem of water scarcity is serious day by day, and water will become an important factor of restriction social development.People also more and more pay attention to the exploitation and the improvement of water technology.
Biologic process for treating sewage is more special a kind of in the sewage treatment process, is called activated sludge process again.Activated sludge process can be divided into aerobic method and anaerobic process etc.In the aerobe Sewage treatment systems, mikrobe utilizes the dissolved oxygen in the water, and the organic pollutant in the oxidative degradation water carries out the lock out operation of mikrobe and water then, reaches the purpose of purifying waste water.The dissolved oxygen English name is Dissolved Oxygen, and usually note is made DO, is meant the content that is dissolved in oxygen in the water, shows that with milligram numerical table of oxygen in every premium on currency unit is mg/L.Oxygen in water how much be a very important index in the bio sewage treating process.
Mikrobe obtains enough dissolved oxygens in the water in order to make, and people utilize gas blower pressurized air or inflate in water through the surface stirring.Air-blowing device and supporting pipeline, stationary installation of oxygen etc. are provided for mikrobe, are referred to as aerating apparatus.Aerating apparatus has disc type aerating apparatus, tubular type aerating apparatus, shows to expose to the sun system etc.
In the existing aerating apparatus, the installation of aeration tube generally from the aeration tank the long end of body arrange that spacing is at 500mm~1500mm, such mounting means; Because the spacing between the aeration tube is bigger, has the aeration blind area in the aeration process, promptly some regional aeration bubble can not reach, and bubble volume is big in the process of aeration; To be bigger after bubble hit compiles, upflow velocity be fast, and oxygen-transfer efficiency is low; Aeration energy consumption is big, and big like this aeration spacing, and aeration zone oxyty everywhere is seriously inhomogeneous.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is, a kind of aerating apparatus is provided, and this aerating apparatus can provide aeration comparatively uniformly, does not have the aeration blind area.
In order to solve above technical problem, the present invention provides following technical scheme:
A kind of aerating apparatus comprises distribution device and Duo Gen aeration tube, and distribution device is communicated with aeration tube, on the said aeration tube aerating pore is arranged, and it is characterized in that, the spacing of adjacent aeration tube is 80~300mm, and at least 2000 aerating pores are arranged on every meter aeration tube.
The spacing of aeration tube of the prior art is generally at 500mm~1500mm, and there is the aeration blind area in big like this spacing, and the present invention gropes, discovers through secular engineering practice; The spacing of adjacent aeration tube need be in a reasonable range, when spacing is 80~300mm, and when on every meter aeration tube at least 2000 aerating pores being arranged; Under the situation of low air flow, can realize aeration relatively uniformly, less from the aeration bubble ratio that aeration tube bloats; And be not easy to collide; Under the situation of identical aeration rate, the specific surface area of aeration bubble is big, can improve oxygen-transfer efficiency.And from engineering practice, find; Under the such pitch arrangement of aeration tube, be aided with other specific technique, can realize less oxyty control; For example oxyty just can realize decarburization simultaneously and synchronous nitration and denitrification in an aeration tank between 0.1~0.5mg/L.
Preferably, the spacing of said adjacent aeration tube is 100~200mm.
Preferably, the straight height of dolly is more preferably less than 50mm less than 100mm to aeration tube bottom bus apart from the pond.
Preferably, the diameter of said aeration tube is more preferably less than 67mm smaller or equal to 75mm.
Preferably, on every meter aeration tube 3000~6000 aerating pores are arranged.More preferably, on every meter aeration tube 3500~4500 aerating pores are arranged.
Preferably, the diameter of said aerating pore is below the 1.5mm, more preferably below the 1mm.
Preferably, said aeration tube is an aeration flexible pipe.
Preferably, the end of said aeration flexible pipe is fixed near the terminal top, pond, aeration tank.
Preferably, the end of said aeration flexible pipe is fixed near the top, pond of aeration tank end through knot.
Preferably, said distribution device is an air distributor, between said aeration flexible pipe and the air distributor through clamp connection.
Preferably, said many aeration tubes are along the short end lateral arrangement of aeration tank.
Aerating apparatus provided by the invention compared with prior art, the spacing between the adjacent aeration tube is 80~300mm, and at least 2000 aerating pores are arranged on every meter aeration tube; The aeration tube spacing is set rationally; Oxygen-transfer efficiency improves, and can reduce aeration energy consumption, can eliminate the aeration blind area again; Make the oxyty in the sewage comparatively balanced, can be mikrobe provides gentle relatively growing environment so that remove all contaminations in the water more effectively, more up hill and dale.
Aerating apparatus provided by the invention is specially adapted to biologic process for treating sewage.
Description of drawings
Fig. 1 is the front view of the aerating apparatus that provides of the embodiment of the invention.
Fig. 2 is the vertical view of the aerating apparatus that provides of the embodiment of the invention.
Fig. 3 is the synoptic diagram of conventional aeration mode.
Fig. 4 is the synoptic diagram of its aeration mode of aerating apparatus provided by the invention.
The implication of each mark is among the figure:
1---air distributor, 2---the guide rail chute, 3---guide rail, 4---clip; 5---the balance roller bearing, 6---equilibrator, 7---balance bracket, 8---aeration tube; 9---traction rope, 10---hook, 11---embedded iron, 12---blast connection; 13---slip-knot, 14---by-pass valve control, 15---air blast is responsible for, and 16---walk bridge.
Embodiment
Technical scheme for a better understanding of the present invention, set forth below in conjunction with embodiment:
See also Fig. 1 and Fig. 2, Fig. 1 is the front view of the aerating apparatus that provides of the embodiment of the invention, and Fig. 2 is the vertical view of the aerating apparatus that provides of the embodiment of the invention.
As shown in the figure, the inlet end top bit in the aeration tank is equipped with air blast and is responsible for 15, and the aeration person in charge 15 side is offered porose; One end short tube is welded on tapping, connects by-pass valve control 14 then, the aperture of by-pass valve control 14 can be controlled the size of aeration gas flow; Web members such as elbow are welded on the by-pass valve control 14; Blast connection 12 is responsible for 15 through slip-knot 13 with the air blast on top, aeration tank and is connected, and the bottom of blast connection 12 is communicated with air distributor 1, and air distributor 1 can be communicated with one or many aeration tubes 8; Air distributor 1 is aeration tube 8 gas distributions; The aeration tube 8 that distributes from air distributor 1 passes from equilibrator 6 corresponding apertures, and there is balance roller bearing 5 equilibrator 6 front-end and back-end, can be so that aeration tube 8 passes through equilibrator smoothly; Fastened traction rope 9 at the end of aeration tube 8, fastened on the hook 10 of aeration tank tail wall upper end after traction rope 9 tensions.Aeration tube 8 is selected to use aeration flexible pipe in this embodiment, can dismantle easily.
Air blast is responsible for 15 for the aeration tank provides the aeration source of the gas, and air blast is responsible for 15 and is communicated with air feeder, and the most frequently used air feeder is a gas blower.
The air blast person in charge 15 side perforate is a mode comparatively commonly used and comparative optimization; The perforate that air blast is responsible for also can be opened in top or the bottom that air blast is responsible for, and the minimum requirements of perforate is to provide the required air capacity of system design to get final product for air-blowing arm and aeration tube.The air capacity that comparatively preferably can provide is greater than the air capacity of system design, and such being provided with can realize the adjustment of aeration rate through the aperture of adjusting control valve door 14.
By-pass valve control 14 can be selected various valve members for use; For example pipe valve shape, cock shape, butterfly valve etc., according to method of attachment can be divided into that the valve that is threaded, flange connect valve, are welded to connect valve, clamp connection valve, cutting ferrule connect valve and be connected valve etc. with butt joint.The material of by-pass valve control can be selected metallic substance valve and non-metallic material valve etc.; Metallic substance valve such as cast iron valve, carbon steel valve, Stainless Steel Valve, steel alloy valve, duraluminum valve, LY, titanium alloy valve etc., non-metallic material valve such as plastic valve, glass reinforced plastic valve, ceramic valve etc.Preferably select corrosion resistant valve for use for above valve.
Air-blowing arm 12 slides onto the bottom of aeration tank through the guide rail chute 2 on the guide rail 3, can facilitate for operator install like this, and it is time saving and energy saving to install.
Air distributor 1 is connected with aeration tube 8 through clip 4.The connection here can be dismountable mode of connection, also can be the mode that is fixedly coupled, and preferably uses dismountable mode of connection, and clip is a kind of in the mode that typically removably connects, can also use cutting ferrule and IT or outside screw to connect.The installation that dismountable mode of connection is not merely aeration tube and whole plant facilitates, and bigger degree of freedom is provided for the replacing of aeration tube.
The aeration tube 8 preferred aeration flexible pipes that use; Also can select stereoplasm tubes such as metal tube for use; Spacing between importantly adjacent two aeration tubes can not be big, and the distance between said adjacent two aeration tubes is 80~300mm, preferably 100~200mm; Operable in the present embodiment spacing is 150mm, possibly have positive negative error in the installation process.Within above-mentioned spacing range, the spacing of preferably per two adjacent aeration tubes all equates.
Aeration tube 8 can be selected aeration tube commonly used for use, and the diameter of aeration tube is selected 78mm for use or below the 78mm, preferred 67mm or below the 67mm.Have micropore on the aeration tube, micro-pore diameter is generally about 1mm.At least 2000 aerating pores are arranged on every meter aeration tube, and the diameter of aerating pore can be preferably below the 1mm below 1.5mm.Aeration tube can be selected commercially available aeration tube, and the atmospheric drag of aeration tube requires to satisfy national standard, and the technician can select to use dissimilar aeration tubes according to the requirement of technology.
Aeration tube 8 arranges that along the short end of aeration tank such layout can provide oxyty more uniformly for the aeration tank.In the installation process, aeration tube can be accomplished installation through laterally short distance, and promptly aeration tube installation span is little, facilitates for realizing above-mentioned spacing better; In addition, aeration tube is under shorter span mounting condition, because the air-flow change in pressure drop that air blast is responsible in 15 is little, so can accomplish aeration more uniformly.
Equilibrator 6 front ends and end are provided with balance roller bearing 5, and equilibrator 6 is through being bolted on the balance bracket, and balance bracket 7 is fixed at the bottom of the pond.The balance roller bearing can rotate, and is beneficial to moving of aeration tube.Also can adopt surperficial comparatively smooth and axle that can not rotate.The equilibrator significant feature is that the vertical position and the loading and unloading of fixedly aeration tube can play pulley, localized effect during aeration tube.
Embedded iron 11 provides immobilization carrier for air-blowing arm guide rail 3 devices such as grade, and for example, air distributor 1 base can be welded on the embedded iron 11.
Equilibrator 6 on the one hand can be for aeration flexible pipe provides guide effect, and another aspect can also provide fixed action for aeration flexible pipe.When adopting aeration flexible pipe, aeration flexible pipe is generally the lower non-metallic material of plastics isodensity, in aeration process, for its web member applies very big pulling force, forms stress concentration because of buoyancy function easily.After equilibrator 6 is set,, also can disperse buoyancy in addition except fettering aeration flexible pipe.For the arrangement pitch of equilibrator 6, generally between 30cm~80cm, preferred 35~75cm, more preferably 45~55cm.
In the present embodiment, air distributor 1 distributes two aeration flexible pipes 8, in operational process; Change aeration flexible pipe 8 if desired, so can be earlier be connected with traction rope on the aeration flexible pipe, close the pairing by-pass valve control of aeration flexible pipe of needs replacing then with a rope suitable or longer rope with aeration tank length; Pull rope is taken off near the hook the top, pond, aeration tank; Pulling air-blowing arm and air distributor, aeration flexible pipe will be noted holding pull rope in operating process so that aeration flexible pipe slowly moves along with air distributor is drawn out the aeration tank; Aeration flexible pipe is pulled out after the aeration tank; Take off the aeration flexible pipe of need changing, change behind the new aeration flexible pipe or to after the aeration flexible pipe cleaning maintenance, the aeration flexible pipe after the aeration flexible pipe that will more finish changing then or the cleaning maintenance retightens on air distributor; Spur the rope that is connected with pull rope from the other end; Air distributor is inserted orbit of guide rail, and the rope that pulling is connected with pull rope is fixed near the hook in top, pond, aeration tank until pull rope is pulled out the aeration tank again then.Aforesaid operations only needs two people to accomplish, and does not need other complex apparatus or instrument; In addition; In aeration process, need a plurality of aeration flexible pipes to work simultaneously usually; And this kind replacing method does not need all to stop aeration; And the aeration of the aeration flexible pipe that only need stop need to change can guarantee the normal operation of technology, and entire operation generally can be accomplished the replacing of single aeration tube within 15~20 minutes.Aeration flexible pipe needs certain tensile strength.
End in the aeration tank, left end as shown in Figure 1 can be provided with one and walk bridge 16, are convenient to staff's erecting equipment, monitoring processing parameter etc.
See also Fig. 3 and Fig. 4, Fig. 3 is the synoptic diagram of conventional aeration mode, and Fig. 4 is the synoptic diagram of the aeration mode of aerating apparatus provided by the invention.
On scheming, can find out, aerating apparatus provided by the invention compared with prior art, the spacing of adjacent aeration tube is 80~300mm; At least 2000 aerating pores are arranged on every meter aeration tube, and the aeration tube spacing is set rationally, and oxygen-transfer efficiency improves; Can reduce aeration energy consumption; Can eliminate the aeration blind area again, make the oxyty in the sewage comparatively balanced, can be mikrobe provides gentle relatively growing environment so that remove all contaminations in the water more effectively, more up hill and dale.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (14)

1. aerating apparatus; Comprise distribution device and Duo Gen aeration tube, distribution device is communicated with aeration tube, on the said aeration tube aerating pore is arranged; It is characterized in that; The spacing of adjacent aeration tube is 80~300mm, and it is below the 1.5mm that at least 2000 aerating pores, the diameter of said aerating pore are arranged on every meter aeration tube.
2. aerating apparatus according to claim 1 is characterized in that, the spacing of said adjacent aeration tube is 100~200mm.
3. aerating apparatus according to claim 1 is characterized in that, dolly is straight highly less than 100mm apart from the pond for aeration tube bottom bus.
4. aerating apparatus according to claim 1 is characterized in that, dolly is straight highly less than 50mm apart from the pond for aeration tube bottom bus.
5. aerating apparatus according to claim 1 is characterized in that the diameter of said aeration tube is smaller or equal to 75mm.
6. aerating apparatus according to claim 5 is characterized in that the diameter of said aeration tube is smaller or equal to 67mm.
7. aerating apparatus according to claim 1 is characterized in that, 3000~6000 aerating pores are arranged on every meter aeration tube.
8. aerating apparatus according to claim 7 is characterized in that, 3500~4500 aerating pores are arranged on every meter aeration tube.
9. aerating apparatus according to claim 1 is characterized in that, the diameter of said aerating pore is below the 1mm.
10. according to any described aerating apparatus in the claim 1~9, it is characterized in that said aeration tube is an aeration flexible pipe.
11. aerating apparatus according to claim 10 is characterized in that, the end of said aeration flexible pipe is fixed near the terminal top, pond, aeration tank.
12. aerating apparatus according to claim 11 is characterized in that, the end of said aeration flexible pipe is fixed near the terminal top, pond, aeration tank through knot.
13. aerating apparatus according to claim 12 is characterized in that, said distribution device is an air distributor, between said aeration flexible pipe and the air distributor through clamp connection.
14. aerating apparatus according to claim 1 is characterized in that, said many aeration tubes are along the short end lateral arrangement of aeration tank.
CN2008101149056A 2008-06-13 2008-06-13 Aerating device Active CN101602542B (en)

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CN2008101149056A CN101602542B (en) 2008-06-13 2008-06-13 Aerating device

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CN2008101149056A CN101602542B (en) 2008-06-13 2008-06-13 Aerating device

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CN101602542B true CN101602542B (en) 2012-05-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120985A (en) * 2021-04-13 2021-07-16 金川集团股份有限公司 Micropore aeration device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857910A (en) * 1972-12-07 1974-12-31 L Day Oxygenator support
CN2711152Y (en) * 2004-07-09 2005-07-20 天津大学 Hollow filament membrance subassembly
CN101027119A (en) * 2004-07-05 2007-08-29 因文特环境技术与工艺股份公司 Device for gassing liquids, particularly waste water
CN201280471Y (en) * 2008-06-13 2009-07-29 必德普(北京)环保科技有限公司 Aerator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857910A (en) * 1972-12-07 1974-12-31 L Day Oxygenator support
CN101027119A (en) * 2004-07-05 2007-08-29 因文特环境技术与工艺股份公司 Device for gassing liquids, particularly waste water
CN2711152Y (en) * 2004-07-09 2005-07-20 天津大学 Hollow filament membrance subassembly
CN201280471Y (en) * 2008-06-13 2009-07-29 必德普(北京)环保科技有限公司 Aerator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2000-107791A 2000.04.18
JP特开2004-174353A 2004.06.24

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Effective date of registration: 20120820

Address after: 100028 Beijing City, Chaoyang District Shuguang Sirirath time international A No. six room 3007

Patentee after: BDP (Beijing) Environmental Protection Co., Ltd.

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