CN203866111U - Micro bubble generation device - Google Patents
Micro bubble generation device Download PDFInfo
- Publication number
- CN203866111U CN203866111U CN201420183289.0U CN201420183289U CN203866111U CN 203866111 U CN203866111 U CN 203866111U CN 201420183289 U CN201420183289 U CN 201420183289U CN 203866111 U CN203866111 U CN 203866111U
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- CN
- China
- Prior art keywords
- screw thread
- bubble generation
- generation device
- micro bubble
- stator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model belongs to the field of aeration and oxygen aeration technologies in treatment of urban domestic sewage, and relates to a micro bubble generation device. The micro bubble generation device comprises a spiral aeration device, a transmission device and a power device, wherein the spiral aeration device comprises a demountable flange, a pump body housing, a threaded stator, a threaded rotor, a pump main shaft, a pressure measuring opening, an air inlet hole, a liquid inlet and a liquid outlet; the demountable flange is arranged at the left end of the spiral aeration device; the pump main shaft penetrates through the centre of the spiral aeration device; the threaded stator is fixed on the pump body housing, and is matched with the thread rotor through threads; the liquid inlet is formed in the right side of the threaded stator; the air inlet hole is formed aside the liquid inlet; the liquid outlet is arranged on the left side of the threaded stator; the pressure measuring opening is formed between the liquid inlet and the liquid outlet; the transmission device is a shaft coupling; the power device is a motor. Compared with the prior art, the micro bubble generation device adopts the rotor and the stator structure combined by different tooth profile threads, and meets performance indexes of large flow and high pump head, so as to enable the aeration supporting efficiency to promote.
Description
Technical field
The utility model belong to city domestic sewage process in the aeration oxygen technical field of exposing to the sun, specifically, relate to a kind of micro bubble generation device.
Background technology
For the water quality requirement that makes sewage reach a certain water body of draining or reuse, usually it is purified.In sewage treatment process, having a link is aeration oxygen supply, is intended to improve dirty oxygen content in water, allows sewage carry out aerobic repiration, and organic substance decomposing is become to inorganics, removes pollutent.Because the diameter of bubble in liquid is less, the contact area of gas, liquid is just larger, and between gas, liquid two-phase, the degree of exchange of substance is just more abundant, and the speed of response of gas, liquid two-phase is just faster, and treatment effect is just better.
In existing sewage aeration technology, be mainly to adopt traditional drum blower fan to carry out oxygen supply in conjunction with aerator.The shortcomings such as this aeration system exists efficiency low, and energy consumption is large.Chinese patent (CN200420080139.3) discloses so a kind of aeration blower for sewage treatment, on its casing, there are blast inlet and air outlet, impeller is housed in casing, and there is a rotation axis, rotation axis and motor and transmission rig are connected, casing is dissection type rivet welding cylindrical shell, and impeller more than one-level is housed in cylindrical shell, and return channel and diffuser-are housed between impellers at different levels.In addition indivedual local spiral aerating apparatuss that adopt.Spiral aerating apparatus simple in structure, the bubble that aeration produces is less, and gas-liquid mixed is more even.Spiral aerating apparatus is specially adapted to the aeration oxygen supply technique of China's city domestic sewage, can effectively improve rapidly aeration rate.But in over-all properties research, its enterprise mix transportation machine reason, Air Bubble Size, the significant parameters such as floating speed to affect the correlation theory researchs such as mechanism also immature, efficiency is lower.Therefore, how sewage is carried out to the professional problem that energy-saving and aerating is sewage disposal always.
Summary of the invention
For solving the problems of the technologies described above, make dissolved oxygen fully and improve the oxygen efficiency that exposes to the sun, the utility model provides a kind of micro bubble generation device.
Micro bubble generation device described in the utility model, comprises that spiral aerating apparatus 1, transmission mechanism 2, power set 3 three parts are connected in sequence; Described spiral aerating apparatus 1 comprises dismountable flange 4, pump main shaft 5, screw thread stator 6, pump housing shell 7, screw rotor 8, pressure tap 9, air inlet port 10, fluid inlet 11, liquid outlet 13; Described dismountable flange 4 is positioned at spiral aerating apparatus 1 left end; Described pump main shaft 5 runs through spiral aerating apparatus 1 central authorities, is connected and fixes with set nut with screw rotor 8 by two keys; Described screw thread stator 6 is fixed on pump housing shell 7, and screw thread stator 6 and screw rotor 8 pass through thread fit; Described fluid inlet 11 is positioned at screw thread stator 6 right sides, the space between straight-through screw thread stator 6 and screw rotor 8; Described air inlet port 10 is positioned at by fluid inlet 11 sides; Described liquid outlet 13 is positioned at screw thread stator 6 left sides; Described pressure tap 9 is between fluid inlet 11 and liquid outlet 13; Described transmission mechanism 2 is shaft coupling, and shaft coupling is connected with pump main shaft 5; Described power set 3 is motor, and it is connected with shaft coupling; 8, described pump main shaft 5, screw thread stator 6, pump housing shell 7, screw rotor be assembled into detachable design.
Micro bubble generation device described in the utility model, the screw thread form of described screw thread stator 6 and screw rotor 8 and measure-alike but rotation direction is contrary, and equal Bonding pressure sensors.
Micro bubble generation device described in the utility model, the thread fiting mode of described screw thread stator 6 and screw rotor 8 is semicircle tooth form or equilateral triangle tooth form.
Micro bubble generation device described in the utility model, described screw rotor 8 medial surfaces have keyway, can be combined into screw rotor group 12 by multistage, between section and section, are matched with on pump main shaft 5 by two keys.
Micro bubble generation device described in the utility model, the screw thread between 8 sections of described screw rotors and section is different, for semicircle tooth form and equilateral triangle tooth form alternately.
Micro bubble generation device described in the utility model, has hermetic barrier liquid between described spiral aerating apparatus 1 and transmission mechanism 2.
Micro bubble generation device described in the utility model, described air inlet port 10 and fluid inlet 11 are all with the valve of adjust flux.
Principle of work: the spiral aeration section of micro bubble generation device is the stator rotor composition with same screw thread, due to the contrary thread rotary orientation of stator rotor, the runner inside that the two is fitted to each other, the liquid that pressure is lower is subject to coordinating the pressure-acting producing, and flows to the side that pressure is higher.The sewage of aeration section, under the interaction of stator rotor, produces axial pumping pressure, thereby produces negative pressure.Sewage is in container, and because aeration phase produces pumping pressure when the inlet close, sewage, via the pumping that circulates of spiral aeration section, along with the pumping of spiral section produces negative pressure, is opened inlet mouth, and now gas is entered by inlet mouth.Gas is mixed by inlet mouth with liquid, produces Three dimensional Turbulent and follow secondary stream or backflow phenomenon in runner.After mixing, again enter container bottom by circulation line in runner, allow microbubble float gradually at internal tank.So circulation, reaches aeration pump oxygen effect.By semicircle and V-thread are split to combination, can adjust integrated flow rate and lift.
Compared with prior art, micro bubble generation device tool described in the utility model has the following advantages: in the time of the aeration oxygen supply for sewage disposal, sewage provides circulation power by aeration pump, after stable circulation, slowly regulate air intake valve aperture, to reach the function of automatic air-breathing oxygen supply; The stator rotor structure that adopts the combination of profile of tooth screw thread, has met the performance index of large flow high-lift, thereby makes aeration support efficiency to be improved.
Brief description of the drawings
Fig. 1: micro bubble generation device schematic diagram;
Fig. 2: screw thread stator schematic diagram;
Fig. 3: screw rotor schematic diagram;
1-spiral aerating apparatus, 2-transmission mechanism, 3-power set, 4-dismountable flange, 5-pump main shaft, 6-screw thread stator, 7-pump housing shell, 8-screw rotor, 9-pressure tap, 10-air inlet port, 11-fluid inlet, 12-screw rotor group, 13-liquid outlet.
Embodiment
Below in conjunction with specific embodiment, micro bubble generation device described in the utility model is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of micro bubble generation device, comprises spiral aerating apparatus 1, transmission mechanism 2, power set 3; Described spiral aerating apparatus 1 comprises dismountable flange 4, pump main shaft 5, screw thread stator 6, pump housing shell 7, screw rotor 8, pressure tap 9, air inlet port 10, fluid inlet 11, liquid outlet 13; Described dismountable flange 4 is positioned at spiral aerating apparatus 1 left end; Described pump main shaft 5 runs through spiral aerating apparatus 1 central authorities, is connected and fixes with set nut with screw rotor 8 by two keys; Described screw thread stator 6 is fixed on pump housing shell 7, and screw thread stator 6 and screw rotor 8 pass through thread fit; Described fluid inlet 11 is positioned at screw thread stator 6 right sides, the space between straight-through screw thread stator 6 and screw rotor 8; Described air inlet port 10 is positioned at by fluid inlet 11 sides; Described liquid outlet 13 is positioned at screw thread stator 6 left sides; Described pressure tap 9 is between fluid inlet 11 and liquid outlet 13; Described transmission mechanism 2 is shaft coupling, and shaft coupling is connected with pump main shaft 5; Described power set 3 is motor, and it is connected with shaft coupling; 8 of described transmission shafts 5, screw thread stator 6, pump housing shell 7, screw rotor be assembled into detachable design; The screw thread form of described screw thread stator 6 and screw rotor 8 and measure-alike but rotation direction is contrary, and equal Bonding pressure sensors; The thread fiting mode of described screw thread stator 6 and screw rotor 8 is semicircle tooth form or equilateral triangle tooth form; Described screw rotor 8 medial surfaces have keyway, can be combined into screw rotor group 12 by multistage, between section and section, are matched with on pump main shaft 5 by two keys; Screw thread between 8 sections of described screw rotors and section is different, for semicircle tooth form and equilateral triangle tooth form alternately; Between described spiral aerating apparatus 1 and transmission mechanism 2, there is hermetic barrier liquid; Described air inlet port 10 and fluid inlet 11 are all with the valve of adjust flux.
Principle of work: the spiral aeration section of micro bubble generation device is the stator rotor composition with same screw thread, due to the contrary thread rotary orientation of stator rotor, the runner inside that the two is fitted to each other, the liquid that pressure is lower is subject to coordinating the pressure-acting producing, and flows to the side that pressure is higher.The sewage of aeration section, under the interaction of stator rotor, produces axial pumping pressure, thereby produces negative pressure.Sewage is in container, and because aeration phase produces pumping pressure when the inlet close, sewage, via the pumping that circulates of spiral aeration section, along with the pumping of spiral section produces negative pressure, is opened inlet mouth, and now gas is entered by inlet mouth.Gas is mixed by inlet mouth with liquid, produces Three dimensional Turbulent and follow secondary stream or backflow phenomenon in runner.After mixing, again enter container bottom by circulation line in runner, allow microbubble float gradually at internal tank.So circulation, reaches aeration pump oxygen effect.By semicircle and V-thread are split to combination, can adjust integrated flow rate and lift.
Compared with prior art, micro bubble generation device tool described in the utility model has the following advantages: in the time of the aeration oxygen supply for sewage disposal, sewage provides circulation power by aeration pump, after stable circulation, slowly regulate air intake valve aperture, to reach the function of automatic air-breathing oxygen supply; The stator rotor structure that adopts the combination of profile of tooth screw thread, has met the performance index of large flow high-lift, thereby makes aeration support efficiency to be improved.
Claims (7)
1. a micro bubble generation device, this device is connected in sequence by spiral aerating apparatus (1), transmission mechanism (2), power set (3) three parts, it is characterized in that, described spiral aerating apparatus (1) comprises dismountable flange (4), pump main shaft (5), screw thread stator (6), pump housing shell (7), screw rotor (8), pressure tap (9), air inlet port (10), fluid inlet (11), liquid outlet (13); Described dismountable flange (4) is positioned at spiral aerating apparatus (1) left end; Described pump main shaft (5) runs through spiral aerating apparatus (1) central authorities, is connected and fixes with set nut with screw rotor (8) by two keys; It is upper that described screw thread stator (6) is fixed on pump housing shell (7), and screw thread stator (6) and screw rotor (8) pass through thread fit; Described fluid inlet (11) is positioned at screw thread stator (6) right side, the space between straight-through screw thread stator (6) and screw rotor (8); Described air inlet port (10) is positioned at by fluid inlet (11) side; Described liquid outlet (13) is positioned at screw thread stator (6) left side; Described pressure tap (9) is positioned between fluid inlet (11) and liquid outlet (13); Described transmission mechanism (2) is shaft coupling, and shaft coupling is connected with pump main shaft (5); Described power set (3) is motor, and it is connected with shaft coupling; Between described pump main shaft (5), screw thread stator (6), pump housing shell (7), screw rotor (8), be assembled into detachable design.
2. micro bubble generation device according to claim 1, is characterized in that, the screw thread form of described screw thread stator (6) and screw rotor (8) and measure-alike but rotation direction is contrary, and equal Bonding pressure sensors.
3. micro bubble generation device according to claim 1, is characterized in that, the thread fiting mode of described screw thread stator (6) and screw rotor (8) is semicircle tooth form or equilateral triangle tooth form.
4. micro bubble generation device according to claim 1, it is characterized in that, described screw rotor (8) medial surface has keyway, and multistage one-tenth screw rotor capable of being combined group (12) is matched with on pump main shaft (5) by two keys between section and section.
5. micro bubble generation device according to claim 1, is characterized in that, described screw rotor (8) section is different with the screw thread between section, for semicircle tooth form and equilateral triangle tooth form replace.
6. micro bubble generation device according to claim 1, is characterized in that, between described spiral aerating apparatus (1) and transmission mechanism (2), has hermetic barrier liquid.
7. micro bubble generation device according to claim 1, is characterized in that, described air inlet port (10) and fluid inlet (11) are all with the valve of adjust flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183289.0U CN203866111U (en) | 2014-04-15 | 2014-04-15 | Micro bubble generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420183289.0U CN203866111U (en) | 2014-04-15 | 2014-04-15 | Micro bubble generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203866111U true CN203866111U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420183289.0U Expired - Fee Related CN203866111U (en) | 2014-04-15 | 2014-04-15 | Micro bubble generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203866111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106434326A (en) * | 2016-11-11 | 2017-02-22 | 北京化工大学 | Tubular photobioreactor CO2 aerating device |
| CN109665686A (en) * | 2019-01-29 | 2019-04-23 | 西安建筑科技大学 | A kind of novel greasy filth degradation biological reaction kettle of self-circulation type and its operating method |
-
2014
- 2014-04-15 CN CN201420183289.0U patent/CN203866111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106434326A (en) * | 2016-11-11 | 2017-02-22 | 北京化工大学 | Tubular photobioreactor CO2 aerating device |
| CN109665686A (en) * | 2019-01-29 | 2019-04-23 | 西安建筑科技大学 | A kind of novel greasy filth degradation biological reaction kettle of self-circulation type and its operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150415 |
|
| EXPY | Termination of patent right or utility model |