CN203582579U - Efficient energy-saving aeration device - Google Patents

Efficient energy-saving aeration device Download PDF

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Publication number
CN203582579U
CN203582579U CN201320779323.6U CN201320779323U CN203582579U CN 203582579 U CN203582579 U CN 203582579U CN 201320779323 U CN201320779323 U CN 201320779323U CN 203582579 U CN203582579 U CN 203582579U
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CN
China
Prior art keywords
liquid mixer
gas liquid
air
aeration device
spud pile
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Expired - Lifetime
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CN201320779323.6U
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Chinese (zh)
Inventor
包焕忠
王伟
曹国强
宋立学
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SHANDONG MEILING ZHONGLIAN ENVIRONMENTAL ENGINEERING Co Ltd
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SHANDONG MEILING ZHONGLIAN ENVIRONMENTAL ENGINEERING Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The utility model relates to the technical field of sewage treatment, and in particular relates to an efficient energy-saving aeration device which comprises an air and liquid mixer, wherein the air and liquid mixer comprises an outer wall of the air and liquid mixer, a flow guider and a wedge block; the wedge block is fixed on a fixing pillar; the fixing pillar is fixed at one end of the air and liquid mixer; one end of the air and liquid mixer is a sewage inlet; a compressed air blow-in pipe is vertically arranged near the sewage inlet and is communicated with the air and liquid mixer. When the aeration device is used, the compressed air is sent into the air and liquid mixer from the compressed air blow-in pipe and forms a spiral rising airflow through the flow guider; the spiral rising airflow is broken into micro air bubbles after meeting the wedge block in the mixer; the micro air bubbles are fully mixed with a sucked liquid in the air and liquid mixer and then sprayed out in a spiraling mode, so that the residence time of the micro air bubbles in water is prolonged. Thus, the air and the liquid are mixed to a maximum extent. Therefore, the oxygen utilization rate is improved and the running cost is lowered. The aeration device is convenient to assemble and overhaul; the shutdown of the aeration device and the evacuation of an aeration pond are not required, so that the aeration device can meet the requirement of the continuous operation of a system.

Description

Energy-efficient aerating apparatus
Technical field
The utility model relates to technical field of sewage, is specifically related to a kind of energy-efficient aerating apparatus.
Background technology
In sewage treatment process, aerating system is the key link of whole Sewage treatment systems, also be the unit that energy consumption is the highest, so the health of aeration tank, stable, energy-saving run are the most important things of Sewage treatment systems, its key is that aeration tank used the oxygenation efficiency of aerator.At present the domestic aerator providing be take micro-pore aeration equipment as main, and its oxygenation efficiency can constantly reduce along with the passing of duration of service, and work-ing life is generally at 3-5, and wastewater from chemical industry particularly, how because of SO in waste water 4 2-concentration is higher, and particularly leading portion treatment process has Wingdale precipitation, Ca ion and SO in sewage 4 2-higher, strong and the easy fouling of corrodibility, traditional micro-pore aeration technique is easily stopped up and is caused systemic breakdown, and seriously corroded, so system maintenance work amount is large in operational process, working effect trend declines, and system is short work-ing life, should not use micro-pore aeration equipment, the mechanical aeration equipment such as other jet-flow aeration also have the shortcomings such as efficiency of oxygen supply is relatively low, energy consumption is high, aeration is inhomogeneous, thorough, maintenance cost is high.
Utility model content
For overcoming the deficiency in above-mentioned technology, the purpose of this utility model is: a kind of energy-efficient aerating apparatus is provided, can reduces the aerator of running cost, raising sewage treating efficiency.
For solving its technical problem, the technical scheme that the utility model adopts is:
Described energy-efficient aerating apparatus, comprise gas liquid mixer, gas liquid mixer comprises gas liquid mixer outer wall, director and wedge, gas liquid mixer outer wall is the cylinder of both ends open, gas liquid mixer one end is sewage inlet, near sewage inlet, be vertically provided with pressurized air drum inlet pipe, pressurized air drum inlet pipe one end and blowpipe join, the pressurized air drum inlet pipe the other end communicates with gas liquid mixer, gas liquid mixer the other end holding cylindrical spud pile, spud pile is located at gas liquid mixer inside, on spud pile, be vertically provided with a plurality of wedges, wedge distributes in the shape of a spiral on spud pile, the spud pile the other end is at the inner director that connects of gas liquid mixer.
Wherein, described spud pile equal intervals is provided with 7 circle wedges, every circle is provided with 7 wedges, equidistantly be uniformly distributed and can guarantee that the bubble ratio of wedge chopping is more even, guarantee the effect of gas-liquid mixed, for the gas liquid mixer of height 400mm, the bubble of the wedge of this kind of density of setting chopping just meets the requirement to aeration effect, for the gas liquid mixer of different heights, also can according to circumstances reset number and the number of turns of wedge.
Wherein, described pressurized air drum inlet pipe is connected with blowpipe by joint flange, during installation, joint flange connects blowpipe, blowpipe extends to water surface top, aeration tank always, top, aeration tank is provided with compressed air delivery house steward, blowpipe accesses pneumatic manifold behind the door by flange connection valve, the flange that can directly dismantle in equipment failure above the water surface is together put on the water surface by blowpipe together with gas liquid mixer, overhaul, without stoppage in transit, emptying aeration tank, blowpipe adopts carbon steel pipe or stainless steel etc. to make, its physical length or bending angle can determine according to the practical situation of aeration tank, but the part that blowpipe is located under water must adopt stainless steel, to guarantee its work-ing life.
Wherein, described gas liquid mixer outer wall adopts nylon 66 and glass fibre to make, and this kind of material erosion resistance is strong, effectively increases service life of equipment, can reach more than 10 years.
Wherein, described gas liquid mixer outer wall mid-way is symmetrical arranged picks up the ears, and picks up the ears for hanging fixture while installing, and stability is strong, can guarantee carrying out smoothly of sewage disposal.
When installing, fixes by picking up the ears the utility model, carry out suspension type installation, gas liquid mixer is inserted inside, aeration tank, apart from the about 150mm in bottom, aeration tank, blowpipe joins by flange and compressed air delivery house steward above the water surface of aeration tank, number and the position of installing can be selected according to the practical situation of aeration tank, each energy-efficient aerating apparatus can be controlled separately, while there is equipment failure, can overhaul by dismounting joint flange, without stoppage in transit, emptying aeration tank, meet the continuous operation of system.
When the utility model is used, pressurized air rouses inlet pipe by pressurized air and directly sends in gas liquid mixer, wedge in director curl upstream and mixing tank meets and is broken into micro bubble, micro bubble fully mixes rear screw ejection with the liquid of sewage inlet place inspiration in gas liquid mixer, and form cycling stream at gas liquid mixer periphery, produce oxygen transmission extremely efficiently.In aeration process, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial simultaneously, because micro bubble has increased gas-to-liquid contact area, and form longitudinal cycling stream at gas liquid mixer periphery, and increased the residence time of micro bubble in water, therefore greatly improved the utilization ratio of oxygen.
Compared with prior art, the utlity model has following beneficial effect:
The utility model allows gas-liquid reach maximum mixing by the cooperation of director and wedge, improve efficiency of oxygen supply, reduce working cost, in continuous service process, the pressurized air of large flow can avoid gas liquid mixer alluvial to stop up, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial simultaneously; Gas liquid mixer does not have moving parts, sturdy and durable, Maintenance free; The pressure-losses is little, and coefficient of oxygen utilization is high, can reduce the energy consumption of 20%-70%, can allow the oxygen level being dissolved in water in aeration tank keep stable always; Gas liquid mixer outer wall adopts nylon 66 and glass fibre to make, and erosion resistance is strong, and work-ing life is more than 10 years; Device adopts suspension type to install, and can to it, carry out layout design according to the practical situation of sewage and aeration tank, and each energy-efficient aerating apparatus can be controlled separately, and installation and repairing is convenient, without stoppage in transit, emptying aeration tank, meets system and moves continuously.
Accompanying drawing explanation
Fig. 1 the utility model structure front view.
Fig. 2 the utility model structure left view.
Fig. 3 gas liquid mixer internal structure schematic diagram.
In figure: 1, pressurized air drum inlet pipe; 2, gas liquid mixer outer wall; 3, gas liquid mixer; 4, director; 5, wedge; 6, spud pile; 7, pick up the ears; 8, sewage inlet; 9, joint flange.
Embodiment
Below in conjunction with accompanying drawing explanation, the utility model embodiment is described further:
As Figure 1-3, energy-efficient aerating apparatus described in the utility model, comprise gas liquid mixer 3, gas liquid mixer 3 comprises gas liquid mixer outer wall 2, director 4 and wedge 5, the cylinder that gas liquid mixer outer wall 2 is both ends open, gas liquid mixer 3 one end are sewage inlet 8, near sewage inlet 8, be vertically provided with pressurized air drum inlet pipe 1, pressurized air drum inlet pipe 1 one end and blowpipe join, pressurized air drum inlet pipe 1 the other end communicates with gas liquid mixer 3, gas liquid mixer 3 the other end holding cylindrical spud piles 6, spud pile 6 is located at gas liquid mixer 3 inside, on spud pile 6, be vertically provided with a plurality of wedges 5, wedge 5 distributes in the shape of a spiral on spud pile 6, spud pile 6 the other ends are at the inner director 4 that connects of gas liquid mixer 3.
Wherein, spud pile 6 equal intervals are provided with 7 circle wedges 5, every circle is provided with 7 wedges 5, equidistantly be uniformly distributed and can guarantee that the bubble ratio of wedge 5 choppings is more even, guarantee the effect of gas-liquid mixed, for the gas liquid mixer 3 of height 400mm, the bubble of wedge 5 choppings of this kind of density of setting just meets the requirement to aeration effect, for the gas liquid mixer 3 of different heights, also can according to circumstances reset number and the number of turns of wedge 5, pressurized air drum inlet pipe 1 one end is provided with joint flange 9, joint flange 9 is connected with blowpipe, during installation, joint flange 9 connects blowpipe, blowpipe extends to water surface top, aeration tank always, top, aeration tank is provided with compressed air delivery house steward, blowpipe accesses pneumatic manifold behind the door by flange connection valve, the flange that can directly dismantle in equipment failure above the water surface is together put on the water surface by blowpipe together with gas liquid mixer 3, overhaul, without stoppage in transit, emptying aeration tank, blowpipe adopts carbon steel pipe or stainless steel etc. to make, its physical length or bending angle can determine according to the practical situation of aeration tank, but the part that blowpipe is located under water must adopt stainless steel, to guarantee its work-ing life, gas liquid mixer outer wall 2 adopts nylon 66 and glass fibre to make, and this kind of material erosion resistance is strong, effectively increases service life of equipment, can reach more than 10 years, gas liquid mixer outer wall 2 mid-ways are symmetrical arranged picks up the ears 7, picks up the ears 7 for hanging fixture while installing, and stability is strong, can guarantee carrying out smoothly of sewage disposal.
It is 7 fixing by picking up the ears when the utility model is installed, carry out suspension type installation, gas liquid mixer 3 is inserted inside, aeration tank, apart from the about 150mm in bottom, aeration tank, blowpipe joins by flange and compressed air delivery house steward above the water surface of aeration tank, number and the position of installing can be selected according to the practical situation of aeration tank, each energy-efficient aerating apparatus can be controlled separately, while there is equipment failure, the flange that can directly dismantle water surface top is together put on the water surface by blowpipe together with gas liquid mixer and is overhauled, without stoppage in transit, emptying aeration tank, meet the continuous operation of system.
When the utility model is used, pressurized air is directly sent to gas liquid mixer 3 from pressurized air drum inlet pipe 1, wedge 5 in director 4 curl upstreams and gas liquid mixer 3 meets and is broken into micro bubble, and micro bubble sprays at the interior rear screw that fully mixes of gas liquid mixer 3 with the liquid of sewage inlet 8 places inspiration.In aeration process, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial, because micro bubble has increased gas-to-liquid contact area, and form longitudinal cycling stream at gas liquid mixer 3 peripheries simultaneously, increased the residence time of micro bubble in water, greatly improved the utilization ratio of oxygen, can reduce the energy consumption of 20%-70%, allowed the oxygen level being dissolved in water in aeration tank keep stable always.

Claims (5)

1. an energy-efficient aerating apparatus, comprise gas liquid mixer (3), it is characterized in that, gas liquid mixer (3) comprises gas liquid mixer outer wall (2), director (4) and wedge (5), the cylinder that gas liquid mixer outer wall (2) is both ends open, gas liquid mixer (3) one end is sewage inlet (8), near sewage inlet (8), be vertically provided with pressurized air drum inlet pipe (1), pressurized air drum inlet pipe (1) one end and blowpipe join, pressurized air drum inlet pipe (1) the other end communicates with gas liquid mixer (3), gas liquid mixer (3) the other end holding cylindrical spud pile (6), spud pile (6) is located at gas liquid mixer (3) inside, on spud pile (6), be vertically provided with a plurality of wedges (5), wedge (5) distributes in the shape of a spiral on spud pile (6), spud pile (6) the other end is at the inner director (4) that connects of gas liquid mixer (3).
2. energy-efficient aerating apparatus according to claim 1, is characterized in that, described spud pile (6) equal intervals is provided with 7 circle wedges (5), and every circle is provided with 7 wedges (5).
3. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described pressurized air drum inlet pipe (1) is connected with blowpipe by joint flange (9).
4. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described gas liquid mixer outer wall (2) adopts nylon 66 and glass fibre to make.
5. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described gas liquid mixer outer wall (2) mid-way is symmetrical arranged pick up the ears (7).
CN201320779323.6U 2013-11-30 2013-11-30 Efficient energy-saving aeration device Expired - Lifetime CN203582579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320779323.6U CN203582579U (en) 2013-11-30 2013-11-30 Efficient energy-saving aeration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320779323.6U CN203582579U (en) 2013-11-30 2013-11-30 Efficient energy-saving aeration device

Publications (1)

Publication Number Publication Date
CN203582579U true CN203582579U (en) 2014-05-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104591373A (en) * 2015-02-06 2015-05-06 包龙 Micro-bubble aerator structure
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104591373A (en) * 2015-02-06 2015-05-06 包龙 Micro-bubble aerator structure
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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Granted publication date: 20140507

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