CN105585144A - Disc-type aerator - Google Patents
Disc-type aerator Download PDFInfo
- Publication number
- CN105585144A CN105585144A CN201410641608.2A CN201410641608A CN105585144A CN 105585144 A CN105585144 A CN 105585144A CN 201410641608 A CN201410641608 A CN 201410641608A CN 105585144 A CN105585144 A CN 105585144A
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- China
- Prior art keywords
- diaphragm
- plate
- type aerator
- micropore
- shape
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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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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to a disc-type aerator, which includes, from top to bottom successively, a spiral press cover, a membrane sheet, a flow guide supporting board, and a base. A hole-valve-integrated check valve is disposed between the flow guide supporting board and the base. The membrane sheet includes a first membrane sheet and a second membrane sheet thereon. A plurality of first bar-shaped micro-pores is formed in the first membrane sheet and a plurality of second bar-shaped micro-pores is formed in the second membrane sheet. The first bar-shaped micro-pores and the second bar-shaped micro-pores are disposed in an up-and-down correspondingly staggered manner with central points of all the micro-pores in the same line. An inverted saddle-shaped wedge board is disposed under the base. The disc-type aerator is simple in structure, is convenient to assemble or disassemble, is not liable to block, is good in sealing, can effectively prevent backflow of water, is large in effective aeration area, is significantly improved in anti-fatigue strength, reduces aeration resistance and is prolonged in service life.
Description
Technical field
The present invention relates to a kind of aerator, relate in particular to a kind of plate-type aerator, be specifically related to a kind of disc type with double-deck diaphragmAerator.
Background technology
Aerator is the necessary equipment of plumbing aeration aerating, is one of requisite equipment in municipal sewage plant, and directlyBe related to processing benefit and the operation conditions of sewage treatment plant. Can be divided into surface aerator and underwater aerator, order by using methodBefore, municipal sewage plant of China adopts the plate-type aerator in underwater aerator to carry out biochemical aeration oxygenation mostly, along with ChinaThe quick construction of each municipal sewage plant, the market demand of plate-type aerator is also increasing, this device aeration bubble diameterLittle, gas-liquid interface diameter is little, and gas-oil interfaces is large, and bubble diffusion evenly, can not produce eyelet and stop up, and corrosion resistance is strong, andThan the fixing spiral aerator of conventional products, air diffusion aerator and perforated pipe aerating regulation device Energy Intensity Reduction 40%, or increase sewage load40％。
Traditional plate-type aerator, uses the Thickness Ratio of one deck diaphragm and diaphragm thinner, in upper cover pressing place, because upper cover is to filmSheet has produced larger shearing force, so easily cause the diaphragm at this place to be easily torn damage; In addition, moved at aeratorCheng Zhong, diaphragm, always in upper and lower dither state, causes diaphragm to form the continuous swing taking pressing border as fulcrum, for a long time fortuneRow is torn damage because exceeding its fatigue strength, after diaphragm damages, causes sewage treatment plant to stop for changing aerator or diaphragmSewage is moved and removed in aeration tank, directly causes the sewage load of sewage treatment plant to reduce, and strengthens maintenance workload and warp simultaneouslyJi loss. In addition, on traditional plate-type aerator diaphragm, the shape of perforate is commonly " one " font, is single linear and opensHole, when gas passes through the perforate of " one " word, need overcome larger diaphragm elastic force could strut the perforate of " one " word, air resistanceLoss nature increases; And diaphragm deformation power is larger, easily cause diaphragm to be torn at the two ends of " one " word perforate and damaged,Accelerate the rate of decay reduction of service life of diaphragm and affected the efficiency of whole sewage disposal.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides one to have double-deck diaphragm and changes simultaneouslyThe plate-type aerator of hole shape on diaphragm, this plate-type aerator has reduced aeration resistance, has strengthened tear resistance, antifatigue is strongDegree, high than traditional plate-type aerator long service life, oxygen-transfer efficiency, energy consumption is low, cost is low.
In order to solve above technical problem, the invention provides a kind of plate-type aerator, comprise the spiral pressure being provided with successively from top to bottomLid, diaphragm, water conservancy diversion support plate and base, spiral cover is fixed to diaphragm, water conservancy diversion support plate on base, and spiral coverInside be provided with external screw thread, the check-valves of ports valve unification is also set between water conservancy diversion support plate and base; Diaphragm is by primary diaphragm and being arranged onSecondary diaphragm composition on primary diaphragm, does not fit between primary diaphragm and secondary diaphragm and in the time of aeration, leaves interval, the first filmOn sheet, have the first micropore of multiple bar shapeds, on secondary diaphragm, have the second micropore of multiple bar shapeds, the first micropore and the second microporeUpper and lower correspondence be staggeredly set and their mid point on same straight line; The below of base is also provided with the wedge of falling the shape of a saddle.
The technical scheme that the present invention further limits is:
In aforementioned plate-type aerator, primary diaphragm is ethylene propylene diene rubber, and secondary diaphragm is carbamate, secondary diaphragm thickDegree is 3 times of primary diaphragm.
In aforementioned plate-type aerator, the first micropore of bar shaped, the otch of the second micropore are oblique.
In aforementioned plate-type aerator, the edge of water conservancy diversion support plate is provided with through hole, the interval equalization between through hole.
In aforementioned plate-type aerator, base forms by chassis with by the shape of a saddle support that hollow screw is connected to lower end, chassis, instituteState the external screw thread being provided with in chassis outside internal thread and spiral cover suitable, spiral cover screw thread is screwed on chassis.
In aforementioned plate-type aerator, the wedge of falling the shape of a saddle and the base saddle support that starts matches and is connected on breather line, ventilationBetween pipeline and shape of a saddle support, be also provided with O-ring seals.
In aforementioned plate-type aerator, the material of check-valves is butyl rubber, and O-ring seals is acrylonitrile-butadiene rubber.
The invention has the beneficial effects as follows:
In the present invention, diaphragm is made up of primary diaphragm and the secondary diaphragm being arranged on primary diaphragm, and the thickness of secondary diaphragm is3 times of primary diaphragm, adopt the membrane combination of two-layer different-thickness, and the stressing conditions of diaphragm is changed, and have reduced spiral shellThe shearing force of spinning cover to diaphragm edge, makes its stressed relative dispersion, has significantly improved fatigue resistance, has extended diaphragm and has exposed to the sunThe life-span of gas device, improve sewage load and economic benefit, primary diaphragm is ethylene propylene diene rubber simultaneously, ethylene propylene diene rubberHave good aeration performance, the performances such as the anti-aging and hydrophily of durability are all better, to municipal wastewater and most industry sewageChemistry corrosion stability is high, and heat resistance can reach by force 100 DEG C, has reduced the aging speed of primary diaphragm, and secondary diaphragm is carbamate,When containing the harmful substance such as hydro carbons aromatic series Cl-of higher concentration in sewage, can accelerate the aging of ethylene propylene diene rubber, doFor peripheral secondary diaphragm adopts carbamate to have more heat resistance and corrosion resistance is more suitable for for chemical engineering sewage.
In the present invention, the first micropore, the second micropore that on primary diaphragm and secondary diaphragm, have are bar shaped, the first micropore,The second micropore their center superposition on the same space becomes cross shaped head, such alteration of form its mechanical property, reduce filmThe aeration resistance of sheet makes it to have good resilience, thereby has reduced the drag losses of gas, has improved operating efficiency, intersectsIt is milder that the perforate of shape also makes to enter air bubble flow rate in water body, extended the time of contact of bubble and water body, improvedThe utilization rate of oxygen and oxygenation capacity, under the prerequisite that meets aeration rate, increased effective aeration area, in addition, the first micropore,The otch of the second micropore is oblique, and slant cutting edge otch in the time of closure is staggered up and down, more can well stop water body to flow backwards.
The edge that adopts in the present invention water conservancy diversion support plate to support diaphragm and water conservancy diversion support plate is evenly provided with through hole, aerationTime make gas in breather line pass to uniformly diaphragm from the through hole of edge after water conservancy diversion support plate buffering, then by theMicropore on one diaphragm and secondary diaphragm overflows and ensures that forming minute bubbles is 1-2mm, and size evenly.
Adopt the check-valves of ports valve unification in the present invention, the hole in check-valves can be lost by build-up of pressure, but makes exposing to the sun in whole systemAir-flow in gas device reaches balance. Check-valves can effectively stop aqueous reflux to enter breather line, has reduced aeration resistance, and thenReduce the loss of power, improved the service life that the effect of aeration has improved aerator simultaneously.
Chassis adopts hollow bolt to be affixed on shape of a saddle support in the present invention, and hollow bolt plays fixing work on the one handWith, be also the passage to aerator air feed on the other hand, save the cost of equipment.
Do not stick with glue or molten weldering is fixed on official road at aerator of the present invention, by the shape of a saddle support on base and the wedge of falling the shape of a saddlePlate cooperatively interacts and tightens together firmly by mechanical force. Avoid due to water quality complexity, corrosivity is larger, easily by gluingOr thereby molten wlding material erodes and cause that aerator is connected slip with breather line, the solid power deficiency of aerator causes floating accident.
Between breather line and shape of a saddle support, be provided with O-ring seals in the present invention, aerator and breather line combined closely,Can not produce the phenomenon of gas leakage water inlet, reduce the friction between shape of a saddle support and breather line simultaneously yet, prolongation aeratorService life.
Check-valves adopts butyl rubber material in the present invention, non-maintaining, prevent from pouring in down a chimney, and solid particle jam still can be tightClose, can in the time opening and close, not freeze, the unlatching loss of flood peak is few, to most of inorganic chemistry things, mineral acid, alkali and lowMolecular weight alcohol and ketone have corrosion stability; O-ring seals adopts acrylonitrile-butadiene rubber equally, wearability, and corrosion resistance is stronger, has extendedThe service life of whole aerator.
The present invention is simple in structure, and assembly and disassembly is convenient, be difficult for stopping up, and good airproof performance, effective anti-water-stop body flows backwards, effectively aerationArea is large, has significantly improved fatigue resistance, reduces aeration resistance, has extended service life.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the top view of primary diaphragm in the embodiment of the present invention.
Fig. 3 is the top view of secondary diaphragm in the embodiment of the present invention.
In figure: 1, spiral cover, 2, primary diaphragm, 3, secondary diaphragm, 4, water conservancy diversion support plate, 5, check-valves, 6,One micropore, 7, the second micropore, 8, the wedge of falling the shape of a saddle, 9, shape of a saddle support, 10, chassis, 11, hollow screw, 12,Through hole, 13, breather line.
Detailed description of the invention
Embodiment 1
A kind of plate-type aerator that the present embodiment provides, structure as Figure 1-3, comprises the spiral pressure being provided with successively from top to bottomLid 1, diaphragm, water conservancy diversion support plate 4 and base, also arrange the check-valves 5 that ports valve is unified between water conservancy diversion support plate 4 and base;Diaphragm is made up of primary diaphragm 2 and the secondary diaphragm 3 that is arranged on primary diaphragm 2, has multiple bar shapeds on primary diaphragm 2The first micropore 6, has second micropore 7, the first micropores 6 and the upper and lower corresponding phase of the second micropore 7 of multiple bar shapeds on secondary diaphragm 3Be crisscross arranged and their mid point on same straight line; The below of base is also provided with the wedge of falling the shape of a saddle 8.
In the present embodiment, primary diaphragm 2 is ethylene propylene diene rubber, and secondary diaphragm 3 is carbamate, and secondary diaphragm 3 isCover primary diaphragm 2 above and the thickness of secondary diaphragm 3 are 3 times of primary diaphragm 2.
In the present embodiment, the first micropore 6 of bar shaped, the otch of the second micropore 7 are oblique.
In the present embodiment, the edge of water conservancy diversion support plate 4 is evenly provided with through hole 12.
In the present embodiment, base is by chassis 10 be connected to 9 groups, the shape of a saddle support of 10 lower ends, chassis by hollow screw 11Become, in chassis 10, be provided with external screw thread outside internal thread and spiral cover 1 suitable.
In the present embodiment, the wedge of falling the shape of a saddle 8 and the base saddle support 9 that starts matches and is connected on breather line 13, logicalBetween feed channel 13 and shape of a saddle support 8, be also provided with O-ring seals.
In the present embodiment, the material of check-valves 5 is butyl rubber, and O-ring seals is acrylonitrile-butadiene rubber.
When concrete enforcement, aerator is complemented one another and is fixedly connected with the wedge of falling the shape of a saddle 8 by the shape of a saddle support 9 in baseOn breather line 13, when breather line 13 is ventilated, the pressure air breather line 13 of entering, from giving vent to anger of breather line 13Mouth up enters hollow bolt 11 and arrives check-valves 5, then reaches water conservancy diversion support plate 4, and pressure air is from water conservancy diversion support plate 4 fourThe through hole 12 of circumferential edges arrives diaphragm, and primary diaphragm 2, secondary diaphragm 3 are heaved, on primary diaphragm 2, secondary diaphragm 3The first micropore 6,7 one-tenth upper and lower correspondences of the second micropore are interspersed, and pressure air overflows from the first micropore 6, the second micropore 7,Form the minute bubbles of 1-2mm, in the time stopping aeration, cause primary diaphragm because recalling rapidly of pressure air produces suction2 are fitted on water conservancy diversion support plate 4 with secondary diaphragm 3, while being fitted on water conservancy diversion support plate 4, are bowl-shape due to secondary diaphragm 3,In the time of aeration again, due to the effect of pressure air, bowl-shape secondary diaphragm 3 elastic force spaces are large, cause elastic force to strengthen making suspension,Mud etc. are Automatic-falling under the effect of elastic force, with this periodic duty, can not produce clogging.
In addition to the implementation, the present invention can also have other embodiments. All employings are equal to the skill of replacement or equivalent transformation formationArt scheme, all drops on the protection domain of requirement of the present invention.
Claims (7)
1. a plate-type aerator, comprises the spiral cover, diaphragm, water conservancy diversion support plate and the base that are provided with successively from top to bottom,It is characterized in that: the check-valves that ports valve unification is also set between described water conservancy diversion support plate and base; Described diaphragm by primary diaphragm andBe arranged on the secondary diaphragm composition on primary diaphragm, on primary diaphragm, have the first micropore of multiple bar shapeds, on secondary diaphragm, haveThe second micropore of multiple bar shapeds, described the first micropore with second micropore upper and lower corresponding be staggeredly set and their mid point with alwaysOn line; The below of described base is also provided with the wedge of falling the shape of a saddle.
2. plate-type aerator according to claim 1, is characterized in that: described primary diaphragm is ethylene propylene diene rubber, theTwo diaphragms are carbamate, and the thickness of described secondary diaphragm is 3 times of primary diaphragm.
3. plate-type aerator according to claim 1, is characterized in that: the first micropore of described bar shaped, the second microporeIt is oblique that otch is.
4. plate-type aerator according to claim 1, is characterized in that: the edge of described water conservancy diversion support plate is evenBe provided with through hole.
5. plate-type aerator according to claim 1, is characterized in that: described base connects by chassis with by hollow screwBe connected on the shape of a saddle support composition of lower end, chassis, in described chassis, be provided with external screw thread outside internal thread and spiral cover suitable.
6. plate-type aerator according to claim 1, is characterized in that: the shape of a saddle on the described wedge of falling the shape of a saddle and baseSupport matches and is connected on breather line, between breather line and shape of a saddle support, is also provided with O-ring seals.
7. plate-type aerator according to claim 1, is characterized in that: the material of described check-valves is butyl rubber, instituteStating O-ring seals is acrylonitrile-butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641608.2A CN105585144A (en) | 2014-11-14 | 2014-11-14 | Disc-type aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641608.2A CN105585144A (en) | 2014-11-14 | 2014-11-14 | Disc-type aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105585144A true CN105585144A (en) | 2016-05-18 |
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ID=55925091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410641608.2A Pending CN105585144A (en) | 2014-11-14 | 2014-11-14 | Disc-type aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105585144A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587400A (en) * | 2016-12-13 | 2017-04-26 | 苏州纽东精密制造科技有限公司 | Disc diaphragm aerator |
| CN107758888A (en) * | 2017-12-08 | 2018-03-06 | 宜春学院 | A kind of special aerator of water treatment technology |
| CN110790400A (en) * | 2019-10-16 | 2020-02-14 | 朱桂清 | Micropore aeration dish convenient to long-term high-efficient use |
| CN111747545A (en) * | 2020-07-08 | 2020-10-09 | 浙江大学 | Three-layer staggered variable-aperture shearing aerator and method for cultivating microalgae by circulating backwater thereof |
| CN114455725A (en) * | 2022-02-24 | 2022-05-10 | 江苏中尧环保科技有限公司 | Disc type microporous aerator for sewage treatment |
-
2014
- 2014-11-14 CN CN201410641608.2A patent/CN105585144A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587400A (en) * | 2016-12-13 | 2017-04-26 | 苏州纽东精密制造科技有限公司 | Disc diaphragm aerator |
| CN107758888A (en) * | 2017-12-08 | 2018-03-06 | 宜春学院 | A kind of special aerator of water treatment technology |
| CN110790400A (en) * | 2019-10-16 | 2020-02-14 | 朱桂清 | Micropore aeration dish convenient to long-term high-efficient use |
| CN111747545A (en) * | 2020-07-08 | 2020-10-09 | 浙江大学 | Three-layer staggered variable-aperture shearing aerator and method for cultivating microalgae by circulating backwater thereof |
| CN114455725A (en) * | 2022-02-24 | 2022-05-10 | 江苏中尧环保科技有限公司 | Disc type microporous aerator for sewage treatment |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160518 |