CN106966516A - A kind of curved surface aerator and aeration method - Google Patents
A kind of curved surface aerator and aeration method Download PDFInfo
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- CN106966516A CN106966516A CN201710355313.2A CN201710355313A CN106966516A CN 106966516 A CN106966516 A CN 106966516A CN 201710355313 A CN201710355313 A CN 201710355313A CN 106966516 A CN106966516 A CN 106966516A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a kind of curved surface aerator and aeration method.The curved surface aerator includes curved discs, is arranged on the rotary cut device below curved discs, is arranged on the air-flow relief features below rotary cut device;Rotary cut device and the air-flow relief features are fixedly mounted on pedestal, and the pedestal has inlet channel;The pedestal inlet channel is sequentially communicated with the gas passage on air-flow relief features, rotary cut device;Air-water contact cylinder is set with the pedestal, air-water contact cylinder bending is upwardly extended in a ring, the curved discs are oppositely arranged with air-water contact cylinder, and cut structure provided with bubble between curved discs and air-water contact cylinder, and bubble cutting structure is used to be cut in the bubble come out from rotary cut device.Uniformly, stably, size is suitable, dependable performance for the bubble distribution of the aerator of the present invention.
Description
Technical field
The present invention relates to a kind of curved surface aerator and aeration method, belong to stain disease bottom aerator field.
Background technology
Aerator is the necessary equipment of draining aeration aerating, is the sharp weapon for improving aerobic microbiological activity in sewage.In dirt
The quality and the quality of running situation of aerator equipment, directly influence the efficiency and operating cost of sewage disposal in water process,
Even have influence on the success or failure of whole sewage disposal system operating.
At present, exposure technology in conventional bottom uses micro-hole aerator, and the thinking that micro-hole aerator is retained using aperture is opened
Aeration is closed, the size of aperture diaphragm opening and closing determines the size of bubble, smaller in underwater bubble, accumulate bigger with water engaging surface, it is single
In the volume of position, the efficiency of oxygen transmission is higher, but aperture long-time opening and closing, and diaphragm fatigue strength is increased, inside and outside at opening and closing once to have
Any foreign matter, diaphragm is in tear state at any time, thus aerator critical component is blocked, gas distribution drag size and structure are reliably
The subject matter that technical field development is present.
Chinese utility model patent(Application number:CN201120043063.7, Authorization Notice No.:CN201932953U)It is open
A kind of rotational flow shearing air bubble aerator, the aerator includes air inlet base, check valve, gas distributor, reaction outer barrel, reaction
Inner cylinder and shearing bubble diffusion disc, check valve are arranged on air inlet base, are simultaneously connected with air inlet base, and another side is outer with reaction
Cylinder connection, gas distributor is arranged in check valve and reaction outer barrel, and bottom is connected with air inlet base, and top is expanded with shearing bubble
Disk connection is dissipated, reaction inner cylinder is set between periphery and reaction outer barrel, shearing bubble diffusion tray bottom has firsts and seconds eddy flow step,
It is with teeth on firsts and seconds eddy flow step.The patent changes the thinking of aperture retention, although this in Practical Project operation
The problem of aerator solves block, cloth atmidometer well, but aeration rests gap, and aeration foreign object in pipe enters, fortune
Capable is not very stable.
Chinese invention patent application(Application number:CN201310581064.0, publication number:CN10353208A)Disclose one
Aerator is planted, the aerator includes having air inlet cavity in the middle part of mounting body, mounting body, and air inlet cavity bottom has air inlet
Mouthful, there is gas outlet, air inlet cavity top is provided with vibration diaphragm at cutting assembly, gas outlet, and gas outlet goes out at the top of air inlet cavity
Being fixed with the support frame matched with vibration diaphragm underside shape, support frame at being located at below vibration diaphragm sealing has
The exhaust hole of air inlet cavity is connected, the location division of vibration diaphragm is connected on support frame.In this aerator short time preferably
Solve in existing aerator the problem of foreign matter enters pipeline, but long-play, the aging of rubber vibration barrier film or sugar
Change phenomenon, clogging easily occur, make its fluctuation of service.
The content of the invention
Insecure problem is used for a long time in order to solve puzzlement water factory aerator, the present invention is intended to provide a kind of curved surface exposes
Gas device and aeration method, uniformly, stably, size is suitable, dependable performance for the bubble distribution of the aerator.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of curved surface aerator, including curved discs, are arranged on the rotary cut device below curved discs, are arranged on the air-flow below rotary cut device
Relief features;Rotary cut device and the air-flow relief features are fixedly mounted on pedestal, and the pedestal has inlet channel;The pedestal
Inlet channel is sequentially communicated with the gas passage on air-flow relief features, rotary cut device;Air-water contact cylinder is set with the pedestal,
Air-water contact cylinder bending is upwardly extended in a ring, and the curved discs are oppositely arranged with air-water contact cylinder, and in curved discs and gas
Structure is cut provided with bubble between water contact cylinder, bubble cutting structure is used to be cut in the bubble come out from rotary cut device.
Thus, air-flow enters in curved surface aerator from inlet channel of the aeration branch pipe outlet through pedestal, then disappears by air-flow
Subtract and enter after structure is cut down to air-flow in the gas passage of rotary cut device, initial gas-liquid mud three-phase is carried out through rotary cut device rotary-cut
Mixing;The mixed mixed liquor of initial gas-liquid mud three-phase is cut through the bubble cutting structure between curved discs and air-water contact cylinder
Cut, make card bubble tiny, be evenly distributed, stably, size is suitable, so as to be effectively improved aeration effect.
Embodiments in accordance with the present invention, can also make further optimization, below the skill to be formed after optimization to the present invention
Art scheme:
Preferably, the air-flow relief features are the gland of cup-shaped, and the gland falls the top covered in the pedestal, and the pressure
The cover port and base edge of lid are provided with gas passage;It is preferred that it is described fall cup-shaped gland and the pedestal inlet channel it
Between formed M shapes gas channel.Thus, the gas channel of M shapes can realize the multiple U-shape pressure effect to air-flow, so as to carry
High gas flow cuts down effect.The major function for the gland of falling cup is to cut down air-flow.
Preferably, the gas passage of the cover port is that the gas passage on bar seam and/or the base edge is umbrella
Gas channel;It is preferred that the length and width of bar seam≤2mm;It is preferred that the pressure of the gas channel of the umbrella and cup-shaped
It is in 20 ° -40 ° between lid.
In order that bubble distribution is more uniformly, stably, size is more suitable, embodiments in accordance with the present invention, and the bubble is cut
Cutting structure includes the dentalation for being arranged on air-water contact cylinder top and the dentalation for setting curved discs downside, the air water
Contact the dentalation of cylinder and the dentalation of curved discs is oppositely arranged;It is preferred that the air-water contact cylinder bottom is communicated with curved surface
The air water through hole of aerator inner side and outer side;It is preferred that the dentalation is pyrometric cone tooth;It is preferred that the pyrometric cone tooth arrangement
On different concentric circles;Hole is provided between the pyrometric cone tooth on two neighboring concentric circles in more preferably described curved discs, most
It is preferred that the aperture in the hole is 2mm-4mm, the spacing in two neighboring hole is 10mm-15mm.Thus, dentalation cuts bubble
Best results.The setting in the hole in curved discs can effectively prevent card from hoarding heavy mud, improve the phenomenon of card bubble-free.
Preferably, the curved discs are provided with multiple holes, and the aperture in preferably described hole is between 2mm-4mm, two neighboring hole
Away from for 10mm-15mm.
Non-return body is provided with the inlet channel of the pedestal, preferably described non-return body is ball, more preferably described ball
Diameter is less than the inlet channel 0.5mm-2mm of pedestal.The major function of non-return body is aerator is possessed certain gas channel,
Air flow rate is more uniform.
As a kind of specific connected mode, connecting rod is passed through between the curved discs and rotary cut device, air-flow relief features
Concatenation is connected;It is preferred that the connecting rod is threadedly coupled with the curved discs, rotary cut device, air-flow relief features respectively.
The curved discs are integrally reverse umbrella-type.Thus, by the reduction bubble diameter of inverted umbrella curved discs, curved discs are passed through
Spread in circumference face.
The rotary cut device is in that inward turning slitting seam is provided with umbrella shape, the umbrella cover of the rotary cut device;It is preferred that the rotary cut device is interior
Empty trapezoidal round platform, the trapezoidal faces of more preferably described interior empty trapezoidal round platform set angle to be 30 ° -45 °;It is preferred that the inward turning slitting seam
Rotary-cut angle be 30 ° -45 °;It is preferred that the length and width of inward turning slitting seam≤2.5mm.
Based on same inventive concept, the invention provides a kind of side being aerated using described curved surface aerator
Method, it comprises the following steps:
S1, air-flow enter in curved surface aerator from inlet channel of the aeration branch pipe outlet through pedestal;
S2, air-flow are cut down by air-flow relief features to air-flow, and the gas acted in multiple U-shape pressure into rotary cut device leads to
In road, carry out initial gas-liquid mud three through rotary cut device rotary-cut and mix;
S3, the mixed mixed liquor of initial gas-liquid mud three-phase are carried out through the bubble cutting structure between curved discs and air-water contact cylinder
Cutting, makes card bubble tiny;When first supply or intermittent gas supply, using the gas channel of air-flow relief features by rotary-cut
The heavy mud in part on device is gone out outside rotary cut device, is carried out initial gas-liquid mud three and is mixed or interior into air-water contact cylinder, utilizes gas
Outside the air water through hole discharge aerator of water contact cylinder.
By said structure, curved surface aerator of the invention include inverted umbrella curved discs, umbrella shape rotary cut device, the gland of falling cup,
Air-water contact cylinder, pedestal, non-return body etc..
Further, the inverted umbrella curved discs are a symmetrical bent circular arc card of falling umbrella, card be arranged with several three
Pyramid tooth, pyrometric cone tooth cone angle points to inverted umbrella curved discs core.The major function of inverted umbrella curved discs is by pyrometric cone tooth
Bubble diameter is cut down, is spread by curved discs circumference face.
Further, the inverted umbrella curved discs circular hole is laid in circle pyrometric cone between cog, Circularhole diameter 2mm-4mm, circular hole
Between line length 8mm-15mm;Adjacent round pitch of holes 10mm-15mm.The major function of circular hole is to prevent card from hoarding heavy mud, is improved
Card bubble-free phenomenon.
Further, the umbrella shape rotary cut device is empty trapezoidal round platform in one, and round platform trapezoidal faces set angle to be 30 ° -45 °, ladder
Multiple inward turning slitting seams are provided with shape face, rotary-cut angle is 30 ° -45 °, the equal < 2.5mm of inward turning slitting seam length and width;Umbrella shape rotary-cut
It is connecting rod above and below device center, is provided with external screw thread on upper connecting rod, is engaged well with inverted umbrella curved surface disk center internal thread;
External screw thread is provided with lower connecting rod, is engaged well with the gland of falling cup center internal thread;Umbrella cover is provided with inward turning slitting seam.Umbrella
The major function of shape rotary cut device, less bubble is cut down by gas cyclone.
Further, the gland of the falling cup lid mouthful is uniform opens up bar seam, and bar stitches length and width≤2mm, and base edge is provided with umbrella
Gas channel, umbrella gas channel is set with the gland of falling cup into 30 °.The major function for the gland of falling cup is to cut down air-flow.
Further, the air-water contact cylinder top is provided with pyrometric cone tooth, and bottom offers annular air water through hole.Air water connects
The major function for touching cylinder is that the gas that will escape out is cut, while the gas-water channel of bottom prevents bed mud from settling.
Further, gas tubular passage is provided with inside the pedestal, top offers bar and stitched, bar seam≤2mm, and center is set
Air admission hole is equipped with, bottom is provided with O-ring groove;Gas cylinder shape passage major function is by the incoming aerator of gas in aeration tube
It is interior.
The gland of falling cup and gas tubular combination of channels are acted on, by gas channel into alphabetical M shapes;Outside gas tubular passage
Footpath is less than the gland of falling cup internal diameter 1-3mm, makes gas channel smaller.
Further, the non-return body is located at the bottom of gas cylinder shape passage, and non-return body sphere diameter is less than gas circular channel
0.5-2mm.The major function of non-return body is aerator is possessed certain gas channel, and air flow rate is more uniform.
Further, the base is provided with internal thread, is engaged well with external screw thread under umbrella shape rotary-cut well;In base
Deep-slotted chip breaker is provided with gas tubular channel bottom O-ring groove.The major function of base is to provide bearing.
Compared with prior art, the beneficial effects of the invention are as follows:Uniformly, stably, size is suitable for the bubble distribution of the present invention,
Using safety, solve puzzlement water factory aerator and use insecure problem for a long time.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of embodiment of the present invention;
Fig. 2 is the plan of Fig. 1 mean camber disks;
Fig. 3 is rotary cut device plan in Fig. 1;
Fig. 4 is the gland of falling cup profile in Fig. 1;
Fig. 5 is base profile in Fig. 1.
In figure
1- curved discs;11- pyrometric cone teeth;12- holes;2- rotary cut devices;21- connecting rods;22- rotary-cuts bar is stitched;3- falls a glass gland;31-
Bar is stitched;32- umbrella shape gas channels;4- air-water contacts cylinder;41- pyrometric cone teeth;42- air water through holes;5- pedestals;51- circular channels;
52- bars are stitched;53- air admission holes;54-O type ring recess;6- non-return bodies.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred
" on ", " under ", "left", "right" printed words, only represent that the upper and lower, left and right direction with accompanying drawing in itself is consistent, does not limit structure
It is set for using.
A kind of curved surface aerator, its structure includes inverted umbrella curved discs 1, umbrella shape rotary cut device 2, the gland of falling cup 3, air-water contact
Cylinder 4, pedestal 5, non-return body 6 etc..
The inverted umbrella curved discs 1 are a symmetrical bent circular arc card of falling umbrella, and card is arranged with several pyrometric cone teeth
11, the cone angle of pyrometric cone tooth 11 points to the core of inverted umbrella curved discs 1;Circular hole 12 is laid with between circle pyrometric cone tooth 11.
It is connecting rod 21 above and below the center of umbrella shape rotary cut device 2, umbrella cover is provided with inward turning slitting seam 22.
The lid mouth of the gland of falling cup 3 uniformly opens up bar seam 31, and base edge is provided with umbrella gas channel 32.
4 tops of air-water contact cylinder are provided with pyrometric cone tooth 41, and bottom offers annular air water through hole 42.
The inside of pedestal 5 is provided with gas tubular passage 51, and top offers bar seam 52, is provided centrally with air admission hole
53, bottom is provided with O-ring groove 54.
The non-return body 6 is located at the bottom of gas cylinder shape passage 51.
In order to further illustrate curved surface aerator, its structure is described in detail.
The inverted umbrella curved discs are a symmetrical bent circular arc card of falling umbrella, and card is arranged with several pyrometric cone teeth,
Pyrometric cone tooth cone angle points to inverted umbrella curved discs core.The major function of inverted umbrella curved discs is to cut down bubble by pyrometric cone tooth
Diameter, is spread by curved discs circumference face.
The inverted umbrella curved discs circular hole is laid in line length between same circle pyrometric cone between cog, Circularhole diameter 2mm-4mm, circular hole
8mm-15mm;Adjacent round pitch of holes 10mm-15mm.The major function of circular hole is to prevent that card from hoarding heavy mud, improve card without
Bubble phenomenon.
The umbrella shape rotary cut device is empty trapezoidal round platform in one, and round platform trapezoidal faces set angle to be to be set in 30 ° -45 °, trapezoidal faces
Multiple inward turning slitting seams are set to, rotary-cut angle is 30 ° -45 °, the equal < 2.5mm of inward turning slitting seam length and width.On umbrella shape rotary cut device center
It is down connecting rod, is provided with external screw thread on upper connecting rod, is engaged well with inverted umbrella curved surface disk center internal thread;Lower connecting rod
On be provided with external screw thread, be engaged well with the gland of falling cup center internal thread;Umbrella cover is provided with inward turning slitting seam.Umbrella shape rotary cut device
Major function, gas cyclone is cut down into less bubble.
The gland of the falling cup lid mouthful is uniform to open up bar seam, and bar stitches length and width≤2mm, and base edge is provided with umbrella air-flow and led to
Road, umbrella gas channel is set with the gland of falling cup into 30 °.The major function for the gland of falling cup is to cut down air-flow.
The air-water contact cylinder top is provided with pyrometric cone tooth, and bottom offers annular air water through hole.Air-water contact cylinder
Major function is that the gas that will escape out is cut, while the gas-water channel of bottom prevents bed mud from settling.
Be provided with gas tubular passage inside the pedestal, top offers bar seam, bar seam≤2mm, be provided centrally with into
Stomata, bottom is provided with O-ring groove;Gas cylinder shape passage major function is by the incoming aerator of gas in aeration tube.
The gland of falling cup and gas tubular combination of channels are acted on, by gas channel into alphabetical M shapes;Outside gas tubular passage
Footpath is less than the gland of falling cup internal diameter 1-3mm, makes gas channel smaller.
The non-return body is located at the bottom of gas cylinder shape passage, and non-return body sphere diameter is less than gas circular channel 0.5-2mm.
The major function of non-return body is aerator is possessed certain gas channel, and air flow rate is more uniform.
The base is provided with internal thread, is engaged well with external screw thread under umbrella shape rotary-cut well;Gas is justified in base
Deep-slotted chip breaker is provided with the O-ring groove of annular channel bottom.The major function of base is to provide bearing.
The method being aerated using curved surface aerator is as follows:
Air-flow enters in aerator from passage of the aeration branch pipe outlet through pedestal gas circular channel center;Passage bottom O
The gas push that non-return body on type circle is entered, leaves O-ring and deep-slotted chip breaker, into gas circular channel and the gland of falling cup
In, when stopping supply, non-return body is set back by Action of Gravity Field, source of the gas passage on the inside of closing pore, cuts off air-flow;Supply
When, gas circular channel is utilized with the gas in the gland of falling cup by the M shapes gap hole in gas circular channel and the gland of falling cup
The effect of multiple U-shape pressure enters in umbrella rotary cut device, then is mixed through rotary-cut hole progress initial gas-liquid mud three;It is first mixed
Mixed liquor carries out cutting through inverted umbrella curved discs again makes bubble more tiny, and card bubble is tiny;When first supply or interval
During supply, heavy mud is gone out umbrella shape rotary cut device by the heavy mud in part on rotary-cut hole using the gas channel of falling umbrella of the gland of falling cup base
Outside, carry out initial gas-liquid mud three to mix or interior into air-water contact cylinder, recycle the annular air water at air-water contact cylinder bottom to lead to
Outside hole discharge aerator;When stopping supply, the gas in gas circular channel and its M shapes gap hole formed with the gland of falling cup
Pressure air cavity is formed, is acted on using multiple U-shape pressure reversal, the foreign matter after stopping supply being kept off outside air cavity.
Operationally bubble distribution is uniform, stably for this aerator structure, and size is suitable, uses safety, solves puzzlement water factory
Aerator uses insecure problem for a long time.
The content that above-described embodiment is illustrated should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the present invention, after the present invention has been read, the various equivalent form of values of the those skilled in the art to the present invention
Modification each fall within the application appended claims limited range.
Claims (10)
1. a kind of curved surface aerator, it is characterised in that including curved discs(1), it is arranged on curved discs(1)The rotary cut device of lower section(2),
It is arranged on rotary cut device(2)The air-flow relief features of lower section;The rotary cut device(2)Pedestal is fixedly mounted on air-flow relief features
(5)On, the pedestal(5)With inlet channel;The pedestal(5)Inlet channel and air-flow relief features, rotary cut device(2)On gas
Body passage is sequentially communicated;The pedestal(5)On be set with air-water contact cylinder(4), air-water contact cylinder(4)Bending is upward in a ring
Extension, the curved discs(1)With air-water contact cylinder(4)It is oppositely arranged, and in curved discs(1)With air-water contact cylinder(4)Between set
There is bubble to cut structure, bubble cutting structure is used for will be from rotary cut device(2)Bubble out is cut.
2. curved surface aerator according to claim 1, it is characterised in that the air-flow relief features are the gland of cup-shaped
(3), the gland(3)Cover in the pedestal(5)Top, and the gland(3)Cover port and base edge be provided with gas
Body passage;It is preferred that the gland of the cup-shaped(3)With the pedestal(5)Inlet channel between formed M shapes gas channel.
3. curved surface aerator according to claim 2, it is characterised in that the gas passage of the cover port stitches for bar(31)
And/or the gas channel that the gas passage on the base edge is umbrella(32);It is preferred that the bar seam(31)Length and width
Spend≤2mm;It is preferred that the gas channel of the umbrella(32)It it is in 20 ° -40 ° between the gland of cup-shaped.
4. the curved surface aerator according to any one of claim 1-3, it is characterised in that the bubble cutting structure includes
It is arranged on air-water contact cylinder(4)The dentalation and setting curved discs on top(1)The dentalation of downside, the air-water contact
Cylinder(4)Dentalation and curved discs(1)Dentalation be oppositely arranged;It is preferred that the air-water contact cylinder(4)Bottom is provided with company
The air water through hole of logical curved surface aerator inner side and outer side;It is preferred that the dentalation is pyrometric cone tooth(11,41);It is preferred that described
Pyrometric cone tooth(11,41)It is arranged on different concentric circles;More preferably described curved discs(1)On two neighboring concentric circles on
Pyrometric cone tooth(11)Between be provided with hole(12), most preferably described hole(12)Aperture be 2mm-4mm, two neighboring hole(12)Between
Away from for 10mm-15mm.
5. curved surface aerator according to claim 1, it is characterised in that the curved discs(1)It is provided with multiple holes(12),
It is preferred that the aperture in the hole is 2mm-4mm, two neighboring pitch of holes is 10mm-15mm.
6. the curved surface aerator according to any one of claim 1-3, it is characterised in that the pedestal(5)Air inlet lead to
Non-return body is provided with road(6), preferably described non-return body(6)For ball, the diameter of more preferably described ball is less than pedestal(5)Enter
Gas passage 0.5mm-2mm.
7. the curved surface aerator according to any one of claim 1-3, it is characterised in that the curved discs(1)With rotary-cut
Device(2), concatenated between air-flow relief features and be connected by connecting rod;It is preferred that the connecting rod respectively with the curved discs(1), rotation
Cutter(2), air-flow relief features threaded connection.
8. the curved surface aerator according to any one of claim 1-3, it is characterised in that the curved discs(1)It is in integrally
Inverted umbrella.
9. the curved surface aerator according to any one of claim 1-3, it is characterised in that the rotary cut device(2)In umbrella shape,
The rotary cut device(2)Umbrella cover on be provided with inward turning slitting seam(22);It is preferred that the rotary cut device(2)It is more excellent for interior empty trapezoidal round platform
The trapezoidal faces of the interior empty trapezoidal round platform are selected to set angle to be 30 ° -45 °;It is preferred that the inward turning slitting seam(22)Rotary-cut angle be
30°-45°;It is preferred that the inward turning slitting seam(22)Length and width≤2.5mm.
10. a kind of method that curved surface aerator using any one of claim 1-9 is aerated, it is characterised in that
Comprise the following steps:
S1 air-flows are exported through pedestal from aeration branch pipe(5)Inlet channel enter curved surface aerator in;
S2, air-flow are cut down by air-flow relief features to air-flow, enter rotary cut device in the effect of multiple U-shape pressure(2)Gas
In body passage, through rotary cut device(2)Rotary-cut carries out initial gas-liquid mud three and mixed;
S3, the mixed mixed liquor of initial gas-liquid mud three-phase are through curved discs and air-water contact cylinder(4)Between bubble cutting structure
Cut, make card bubble tiny;, will using the gas channel of air-flow relief features when first supply or intermittent gas supply
Rotary cut device(2)On part sink mud and go out outside rotary cut device, carry out initial gas-liquid mud three and mix or into air-water contact cylinder(4)
It is interior, utilize air-water contact cylinder(4)Air water through hole discharge aerator outside.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110407312A (en) * | 2019-09-04 | 2019-11-05 | 中国电建集团中南勘测设计研究院有限公司 | A kind of aerator and aeration method |
CN110436612A (en) * | 2019-09-04 | 2019-11-12 | 中国电建集团中南勘测设计研究院有限公司 | A kind of curved surface aerator and aeration method |
CN110563131A (en) * | 2019-08-29 | 2019-12-13 | 浙江聚源环保科技有限公司 | MBR membrane aerator, MBR membrane aeration device and MBR membrane sewage treatment equipment |
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CN110407312B (en) * | 2019-09-04 | 2022-03-11 | 中国电建集团中南勘测设计研究院有限公司 | Aerator and aeration method |
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