CN102381755A - Aeration device with low gas pressure loss - Google Patents
Aeration device with low gas pressure loss Download PDFInfo
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- CN102381755A CN102381755A CN2011103440052A CN201110344005A CN102381755A CN 102381755 A CN102381755 A CN 102381755A CN 2011103440052 A CN2011103440052 A CN 2011103440052A CN 201110344005 A CN201110344005 A CN 201110344005A CN 102381755 A CN102381755 A CN 102381755A
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- gas
- rivet cap
- pipe
- conservancy diversion
- water conservancy
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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 discloses an aeration device with low gas pressure loss, which comprises a gas-feeding pipe and a gas-liquid mixing pipe; the gas-feeding pipe is inserted into the lower end part of the gas-liquid mixing pipe; a guiding resistance plate and a rivet cap-shaped protrusion are disposed on the inner wall of the gas-liquid mixing pipe; the rivet cap-shaped protrusion are disposed above the guiding resistance plate. The number of the guiding resistance plate is two, and the guiding resistance plates are intercrossingly distributed. The guiding resistance plate is an crescent arc. The rivet cap-shaped protrusion comprises two types, a big rivet cap-shaped protrusion and a small rivet cap-shaped protrusion. The invention has a long service life, and is not easy to obstruct, and the aeration area is larger than that of a common aeration device by 5-7 times.
Description
Technical field
The present invention relates to the sewage disposal device field, particularly relate to a kind of sewage disposal reaction tank device.
Background technology
In the biological reaction tank of WWT, use loose device of air or aerating apparatus at the bottom of the pond usually.Common aerating apparatus, it is discoid to be mostly that aeration head is generally, and the top perforate is used for the gas ejection, perhaps is used for the gas ejection for its tube wall perforate of aeration tube.After the gas ejection, utilize its buoyancy to rise to liquid level naturally.In order to improve the utilization ratio of oxygen, promptly send the ratio that the oxygen in the air of aeration tank is digested by the mikrobe in the aeration tank to, pore is generally very little; So that spray less bubble increased its residence time in liquid, this has also caused the pressure loss of gas bigger, and in the accumulation of the unavoidable mud in the bottom of its installation; Simultaneously, be used in when handling the high sewage of sludge concentration, be easy to take place scale formation; Gas orifice gradually can be blocked; When surpassing duration of service more than 3 years, be difficult to normal operation performance effect, general work-ing life is at most also at 5-7.On the other hand, because the constitutional features of common aerating apparatus is difficult to be applicable to the WWT of the higher easy fouling of mineral ion concentration, also or often need the upkeep operations such as cleaning, replacing of equipment after using.During operation even need stop to produce, cleared up the water in the pond.And adopting the intermittent aeration mode; Promptly in same biological reaction tank, stop aeration number hour behind the aeration number hour again; And then when repeating mode that aeration stops again and carrying out WWT, the gas orifice of common aerating apparatus is easy blocking more, is difficult to normal operation performance effect.How to address this problem is the difficult problem that the technician faces.
Summary of the invention
The invention reside in the defective that has overcome prior art, the aerating apparatus of a kind of long service life, difficult low gaseous tension loss of blocking is provided.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The aerating apparatus of low gaseous tension loss; Comprise induction pipe and gas-liquid mixing head; Said gas-liquid mixed pipe bottom is inserted with induction pipe, and said gas-liquid mixed inside pipe wall is provided with water conservancy diversion flaps and rivet cap shape prominence, and said water conservancy diversion flaps top is provided with rivet cap shape prominence.
Further, said water conservancy diversion flaps quantity is two, and said water conservancy diversion flaps is mutual cross-like and distributes.
Further, said water conservancy diversion flaps is the crescent shape circular arc.
Further, said rivet cap shape prominence is divided into two kinds of big rivet cap shape prominence and little rivet cap shape prominences.
Compared with prior art, the present invention has following beneficial effect:
Mud is difficult for piling up in the reaction tank bottom, and the gas-liquid mixed pipe is difficult for stopping up; Aeration area is than the big 5-7 of common aerating apparatus times, and the utilization ratio of oxygen is high, thereby more energy-conservation, long service life, and maintenance cost is low, and is applied widely, more stable work.
Description of drawings
Fig. 1 is the structural representation of the aerating apparatus of the low gaseous tension loss of the present invention;
Fig. 2 is the vertical view of gas-liquid mixed pipe of the present invention;
Fig. 3 be gas-liquid mixed pipe A of the present invention to sectional view;
Fig. 4 be gas-liquid mixed pipe B of the present invention to sectional view;
Fig. 5 be Fig. 3 gas-liquid mixed pipe C to sectional view;
Fig. 6 be Fig. 3 gas-liquid mixed pipe D to sectional view.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; Comprise induction pipe 1, gas-liquid mixed pipe 2, below gas-liquid mixed pipe 2, the mouth of pipe of giving vent to anger of induction pipe 1 inserts from gas-liquid mixed pipe 2 bottoms; The caliber of gas-liquid mixed pipe 2 is greater than the caliber of induction pipe 1; Gas-liquid mixed pipe 2 is a straight tube, and induction pipe 1 is curved tube or other shapes such as the circular-arc pipe of two knuckles, and gas is sent in the gas-liquid mixed pipe 2 from the bottom straight line of gas-liquid mixed pipe 2.Gas directly spues from induction pipe 1, sends gas-liquid mixed pipe 2 to.Above induction pipe 1 outlet; Be set with water conservancy diversion flaps 3 and rivet cap shape prominence 4 on gas-liquid mixed pipe 2 inwalls; The quantity of water conservancy diversion flaps 3 is two, and water conservancy diversion flaps 3 is the tilting shape of intersection and distributes, and water conservancy diversion flaps 3 is the crescent shape circular arc; Be lune cut off about 1/3rd stay like the crescent shape part, make through the fluid here and form spiral helicine rising stream and fierce whirling current.Rivet cap shape prominence 4 is positioned at water conservancy diversion flaps 3 tops; Rivet cap shape prominence 4 is divided into big rivet cap shape prominence 5 and 6 two kinds of little rivet cap shape prominences; And the big or small different in size and quantity of two kinds of rivet cap shape prominences is unfixing; Optimal way is that big rivet cap shape thrust 5 every layer quantitative ranges are 6-18; Little rivet cap shape thrust 6 every layer quantitative ranges are 8-32, and big rivet cap shape prominence 5 is all alternately arranged along wall circulars in the gas-liquid mixed pipe 2 with little rivet cap shape prominence 6 each other, arranges number of plies scope greater than 4 layers.The rivet-like prominence is used to pulverize gas group and liquid bolus; And make the gas-liquid of flowing through form random air-flow and make the gas-liquid thorough mixing; Increase gas liquid mixture simultaneously through the resistance here; Reduce flow velocity, increase the time of gas-liquid mixed, also make through mixed gas liquid mixture and spread with eddy-currents form ejection gas-liquid mixed pipe 2 and to periphery.
Gas is behind the induction pipe 1 spirt gas-liquid mixed pipe 2 of bottom, and space clustering is agglomerating below the tilting crescent shape circular arc water conservancy diversion flaps 3 of intersection, the upwards injection rapidly of burst type then, and form spiral helicine riser circuit and fierce eddy-currents.When gas group breaks through crescent shape circular arc water conservancy diversion flaps 3, its below pressure step-down, the liquid of induction pipe 1 tuyere periphery is inhaled into gas-liquid mixed pipe 2.Therefore just formed the induction pipe 1 spirt gas-liquid mixed pipe 2 of gas from the bottom, liquid is sucked into from the tuyere periphery, and from induction pipe 1 spirt of bottom, liquid is sucked into around tuyere gas more again, makes gas-liquid form piston motion so repeatedly.The opposing party; Break through the gas of water conservancy diversion flaps 3; With the eddy-currents of fierceness upwards towards the time, run into tube wall rivet cap shape prominence 4, be broken into tiny bubble and with pipe in the liquid thorough mixing; Suitably reducing when upwards spray thanks to speed, spread with eddy-currents form ejection gas-liquid mixed pipe 2 and to periphery.Liquid is inhaled into from the bottom, and gas liquid mixture forms bigger cycling stream in the ejection from gas-liquid mixed pipe 2 tops around aerating apparatus.
The advantage of apparatus of the present invention, muddy water is inhaled into from the tuyere periphery of induction pipe 1, when the muddy water mixed solution of high density and gas mix, is difficult for forming mud in the bottom and piles up.Liquid is inhaled into from gas-liquid mixed pipe 2 bottoms, and gas liquid mixture is the ejection from gas-liquid mixed pipe 2 tops again, around gas-liquid mixed pipe 2, forms bigger cycling stream, and actual aeration useful area than the big 5-7 of common aerating apparatus doubly.The residence time of gas in the pond is long, and the utilization ratio of oxygen is higher, thereby more energy-conservation.Gas is directly told air inlet liquid mixing head 2 from induction pipe 1, and pressure loss is extremely low, and whole device does not have the air outlet, small-bore; And piston motion takes place by pulverizing mixing fully in gas liquid mixture in gas-liquid mixed pipe 2; Form impingement flow, make the bubble in the liquid littler, can not stop up.
Specific examples of the present invention does
Certain food processing plant carry out the waste water behind the acid-base neutralisation with lime, the concentration of lime slurry is up to 30% in the aeration tank, the two all uses aeration tube and aeration head, but all often stops up.Use induction pipe internal diameter 40mm; Gas-liquid mixed bore 125; Behind the aerating apparatus of the low gaseous tension loss of gas-liquid mixed pipe height 600mm, latch up phenomenon is not observed, and the DO in the pond (dissolved oxygen) value is former below 0.5ppm; In 2 middle of the month on probation, its DO (dissolved oxygen) value remains between the 2.2-2.5ppm always.
2. the waste water of certain sugar enterprise adopts SBR (sequence intermittent activated sludge process), promptly anaerobism, support well, sedimentation, draining accomplish in a pond; This processing mode aerator often stops up, and the DO at the bottom of the pond (dissolved oxygen) value is 0, and thread fungus breeds sludge bulking in a large number; Biological respinse is bad, and sludge settling ratio reached 95 in 30 minutes, behind the aerating apparatus of the low gaseous tension loss of use the present invention; 1. DO (dissolved oxygen) maintains 3ppm at the bottom of the pond, and 2. 30 minutes sludge settling ratios have dropped to below 50 from 95,3. do not have the sludge bulking phenomenon and take place; 4. the downward modulation of the air quantity of gas blower is more than 26.9%, and 5. the daily administration personnel reduce to 0.5 people from 2 people.
3. the waste water of certain paper industry enterprise for the hardness that makes paper improves, adds lime in paper pulp, and the calcium ion concn in the waste water is high, the frequent fouling of pipeline and aerator, and general aeration head and aeration tube can not be used.The long 55m of the aeration tank of its water treatment, wide 14.5m, depth of water 8.5m, the central authorities in the pond, the aerator that to be provided with 6 power be 22KW/H, aerator be because of the calcification fouling, just from the pond, took out in per 4 months to clean, and the bottom in pond and peripheral mud accumulating amount are big.Behind the aerating apparatus of having tried out the low gaseous tension loss of the present invention, the mud packing phenomenon is not observed in the pond, and aerator has also stopped use in 6 water, per hour practices thrift 132 degree.In 3 months on probation of the aerating apparatus of the low air resistance of the present invention, every first quarter moon takes out observation once at the bottom of the pond, after 3 months, do not observe scale formation.
4. the waste water of certain printing and dyeing mill, the long 20m in aeration tank, wide 10m; Depth of water 4.5m is set with 150 of the discoid aeration heads of diameter 40cm at the bottom of the pond, the aeration head production well stops up; Every 2-3 will stop production, and the water in the pond racked up the back clean aeration head, will change whole aeration heads behind the 5-6; Long-term mud is piled up at the bottom of the pond has 20-30cm, has slight foul smell to emit.The aerating apparatus of the low gaseous tension loss of trial edition invention, wherein gas-liquid mixed pipe caliber is 30 of the experimental installations of 125mm, 6 months on probation.The result shows, the foul smell disappearance does not have mud and piles up at the bottom of the pond, is 0.3ppm before the experiment of DO (dissolved oxygen) value, and middle DO (dissolved oxygen) value on probation remains on 4.0ppm basically.The air quantity of gas blower has also reduced 25%.
The above is merely explanation embodiment of the present invention; Be not limited to the present invention, for a person skilled in the art, all within spirit of the present invention and principle; Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the aerating apparatus of a low gaseous tension loss; Comprise induction pipe and gas-liquid mixing head; It is characterized in that; Said gas-liquid mixed pipe bottom is inserted with induction pipe, and said gas-liquid mixed inside pipe wall is provided with water conservancy diversion flaps and rivet cap shape prominence, and said water conservancy diversion flaps top is provided with rivet cap shape prominence.
2. the aerating apparatus of low gaseous tension loss according to claim 1 is characterized in that: said water conservancy diversion flaps quantity is two, and said water conservancy diversion flaps is mutual cross-like and distributes.
3. the aerating apparatus of low gaseous tension loss according to claim 2 is characterized in that: said water conservancy diversion flaps is the crescent shape circular arc.
4. the aerating apparatus of low air resistance according to claim 1 is characterized in that: said rivet cap shape prominence is divided into two kinds of big rivet cap shape prominence and little rivet cap shape prominences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103440052A CN102381755A (en) | 2011-11-03 | 2011-11-03 | Aeration device with low gas pressure loss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103440052A CN102381755A (en) | 2011-11-03 | 2011-11-03 | Aeration device with low gas pressure loss |
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| CN102381755A true CN102381755A (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103440052A Pending CN102381755A (en) | 2011-11-03 | 2011-11-03 | Aeration device with low gas pressure loss |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966515A (en) * | 2017-05-18 | 2017-07-21 | 成都跟驰科技有限公司 | The hydraulic aeration equipment of the water surface is swum in based on buoyancy |
| CN111359462A (en) * | 2020-03-23 | 2020-07-03 | 深圳市橘井舒泉技术有限公司 | Ozone-water mixer and ozone-water preparation device |
| CN113754084A (en) * | 2020-06-05 | 2021-12-07 | 松江土建株式会社 | Gas-liquid dissolving device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2727166Y (en) * | 2004-09-10 | 2005-09-21 | 王金利 | Swirl mixed strong cyclic aerator |
| CN201058829Y (en) * | 2006-11-22 | 2008-05-14 | 中国海洋石油总公司 | Highly effective sewage treatment gas-mixing apparatus |
| CN202011773U (en) * | 2010-12-22 | 2011-10-19 | 朱兰英 | Elliptic aeration device |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
-
2011
- 2011-11-03 CN CN2011103440052A patent/CN102381755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2727166Y (en) * | 2004-09-10 | 2005-09-21 | 王金利 | Swirl mixed strong cyclic aerator |
| CN201058829Y (en) * | 2006-11-22 | 2008-05-14 | 中国海洋石油总公司 | Highly effective sewage treatment gas-mixing apparatus |
| CN202011773U (en) * | 2010-12-22 | 2011-10-19 | 朱兰英 | Elliptic aeration device |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966515A (en) * | 2017-05-18 | 2017-07-21 | 成都跟驰科技有限公司 | The hydraulic aeration equipment of the water surface is swum in based on buoyancy |
| CN106966515B (en) * | 2017-05-18 | 2020-03-31 | 四川行之智汇知识产权运营有限公司 | Hydraulic aeration equipment floating on water surface based on buoyancy |
| CN111359462A (en) * | 2020-03-23 | 2020-07-03 | 深圳市橘井舒泉技术有限公司 | Ozone-water mixer and ozone-water preparation device |
| CN111359462B (en) * | 2020-03-23 | 2022-10-11 | 深圳市橘井舒泉技术有限公司 | Ozone-water mixer and ozone-water preparation device |
| CN113754084A (en) * | 2020-06-05 | 2021-12-07 | 松江土建株式会社 | Gas-liquid dissolving device |
| CN113754084B (en) * | 2020-06-05 | 2024-03-29 | 松江土建株式会社 | Gas-liquid dissolving device |
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Application publication date: 20120321 |