CN202246245U - Aerating device with low gas pressure loss - Google Patents
Aerating device with low gas pressure loss Download PDFInfo
- Publication number
- CN202246245U CN202246245U CN2011204316734U CN201120431673U CN202246245U CN 202246245 U CN202246245 U CN 202246245U CN 2011204316734 U CN2011204316734 U CN 2011204316734U CN 201120431673 U CN201120431673 U CN 201120431673U CN 202246245 U CN202246245 U CN 202246245U
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- gas
- rivet cap
- pipe
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- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000005273 aeration Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 230000006698 induction Effects 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000005276 aerator Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
本实用新型公开了一种低气体压力损耗的曝气装置，包括送气管和气液混合管，所述气液混合管下端部插入有送气管，所述气液混合管内壁设置有导流阻力板和铆钉帽状凸起物，所述导流阻力板上方设置有铆钉帽状凸起物。所述导流阻力板数量为两个，所述导流阻力板呈相互交叉状分布。所述导流阻力板呈月牙状圆弧。所述铆钉帽状凸起物分为大铆钉帽状凸起物和小铆钉帽状凸起物两种。本实用新型使用寿命长、不易阻塞，曝气面积比普通的曝气装置大5-7倍。
The utility model discloses an aeration device with low gas pressure loss, which comprises an air supply pipe and a gas-liquid mixing pipe. The air supply pipe is inserted into the lower end of the gas-liquid mixing pipe, and the inner wall of the gas-liquid mixing pipe is provided with a diversion resistance plate. and a rivet cap-shaped protrusion, and a rivet cap-shaped protrusion is arranged above the diversion resistance plate. The number of the diversion resistance plates is two, and the diversion resistance plates are distributed in a shape of intersecting each other. The diversion resistance plate is in the shape of a crescent-shaped arc. The rivet cap-shaped protrusions are divided into two types: large rivet cap-shaped protrusions and small rivet cap-shaped protrusions. The utility model has a long service life and is not easy to be blocked, and the aeration area is 5-7 times larger than that of the common aeration device.
Description
Technical field
The utility model relates to the sewage disposal device field, particularly relates 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.
The utility model content
The utility model has been to overcome the defective of prior art, and 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 utility model 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 utlity model 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 utility model;
Fig. 2 is the vertical view of the utility model gas-liquid mixed pipe;
Fig. 3 be the utility model gas-liquid mixed pipe A to sectional view;
Fig. 4 be the utility model gas-liquid mixed pipe B 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
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
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 the utility model device, 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.
The utility model specific examples 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 utility model; 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 utility model, 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 utility model, 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 utility model, 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 the embodiment of explanation the utility model; Be not limited to the utility model; For a person skilled in the art; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204316734U CN202246245U (en) | 2011-11-03 | 2011-11-03 | Aerating device with low gas pressure loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204316734U CN202246245U (en) | 2011-11-03 | 2011-11-03 | Aerating device with low gas pressure loss |
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| Publication Number | Publication Date |
|---|---|
| CN202246245U true CN202246245U (en) | 2012-05-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204316734U Expired - Lifetime CN202246245U (en) | 2011-11-03 | 2011-11-03 | Aerating device with low gas pressure loss |
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| Country | Link |
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| CN (1) | CN202246245U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381755A (en) * | 2011-11-03 | 2012-03-21 | 王杰 | Aeration device with low gas pressure loss |
| CN103601288A (en) * | 2013-11-30 | 2014-02-26 | 山东美陵中联环境工程有限公司 | High-efficiency energy-saving aeration apparatus and aeration method |
| CN104528923A (en) * | 2014-12-25 | 2015-04-22 | 江苏大学 | Water purification system |
| CN106861475A (en) * | 2017-01-22 | 2017-06-20 | 杭州中泰深冷技术股份有限公司 | Novel gas-liquid mixing fluid-filling structure and its method |
| CN114733378A (en) * | 2022-03-22 | 2022-07-12 | 中国神华煤制油化工有限公司 | Powder mixer |
-
2011
- 2011-11-03 CN CN2011204316734U patent/CN202246245U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381755A (en) * | 2011-11-03 | 2012-03-21 | 王杰 | Aeration device with low gas pressure loss |
| CN103601288A (en) * | 2013-11-30 | 2014-02-26 | 山东美陵中联环境工程有限公司 | High-efficiency energy-saving aeration apparatus and aeration method |
| CN104528923A (en) * | 2014-12-25 | 2015-04-22 | 江苏大学 | Water purification system |
| CN104528923B (en) * | 2014-12-25 | 2017-04-05 | 江苏大学 | Water body purification system |
| CN106861475A (en) * | 2017-01-22 | 2017-06-20 | 杭州中泰深冷技术股份有限公司 | Novel gas-liquid mixing fluid-filling structure and its method |
| CN106861475B (en) * | 2017-01-22 | 2022-10-21 | 杭州中泰深冷技术股份有限公司 | Gas-liquid mixed injection structure and method thereof |
| CN114733378A (en) * | 2022-03-22 | 2022-07-12 | 中国神华煤制油化工有限公司 | Powder mixer |
| CN114733378B (en) * | 2022-03-22 | 2023-10-20 | 中国神华煤制油化工有限公司 | powder mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |