CN101172701A - Mist microvesicle gas jet aeration head - Google Patents
Mist microvesicle gas jet aeration head Download PDFInfo
- Publication number
- CN101172701A CN101172701A CNA2007100613744A CN200710061374A CN101172701A CN 101172701 A CN101172701 A CN 101172701A CN A2007100613744 A CNA2007100613744 A CN A2007100613744A CN 200710061374 A CN200710061374 A CN 200710061374A CN 101172701 A CN101172701 A CN 101172701A
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- CN
- China
- Prior art keywords
- air intake
- anger
- giving vent
- intake structure
- mist
- Prior art date
- 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.)
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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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- Nozzles (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to a fog shape micro-bubble gas jet current aerated head, which comprises a gas inlet structure, a gas outlet end sleeved at the gas inlet structure, and a gas outlet structure tightly combined with the gas inlet structure. The center of the gas inlet structure axially forms a gas inlet channel; a pressure balancing channel is axially formed between the inner wall and the outer wall of the gas inlet structure; the outer wall of the gas inlet structure extrudes outwards so as to form a balancing gas pipe which is communicated with the pressure balancing channel; the gas outlet end of the gas inlet structure forms an outer screw thread used for connecting the gas inlet pipe; the gas inlet channel is internally provided with a nozzle core. The center of the gas outlet structure axially forms a gas outlet channel; the joint of the front end of the gas outlet structure and the gas outlet end of the gas inlet structure is formed with a mixing chamber which is communicated with the gas outlet channel of the gas outlet structure; the mixing chamber is internally provided with a ball shape unilateral valve. The fog shape micro-bubble gas jet current aerated head of the invention can cause the water in the biological pool to produce fog shape micro bubble, can effectively improve the air utilization rate, the power efficiency and the mixing efficiency, reduce the power consumption of a draught fan, reduce the capacity of the draught fan, and reduce the cost.
Description
Technical field
The present invention relates to a kind of low pressure low velocity gas fluidic device of owing to expand under water.Particularly relate to a kind of can making and produce the mist microvesicle mixture in the water body, effectively improve the mist microvesicle gas jet aeration head of air utilization ratio, dynamic efficiency and mixing efficiency.
Background technology
Present known biological tank aerating apparatus has two classes: first kind gas bubbling style includes: the passage of (1) working fluid is the micro porous aeration head of air, variable micro porous aeration head, micro-pore aeration tube; (2) passage of working fluid also is basin shape aeration head, turbulent flow type aeration head, Kingsoft aeration head of air.The passage of the second class working fluid is that the jetting type aerator of liquid includes: (1) self-priming jet aerator under water; (2) Gas feeding jet aerator under water.
Wherein, (1) of the first kind is to utilize the eyelet of giving vent to anger to produce bubble to mix with water body.In order to obtain littler bubble, reduce the aperture as far as possible.When but eyelet reduced, bubble diameter did not have proportional reducing.This type of aeration head bubble diameter is generally at 3-5mm.(2) of the first kind are to utilize the frying in shallow oil of triangle slit or triangle eyelet of giving vent to anger to cut the aeration head that is used for shredding bubble, and this type of aeration head is bigger than first kind bubble diameter.Its shortcoming is: working fluid is carried the interior foreign material of biological tank easily secretly and is entered mixing section and blocking channel.
The second class working liquid is the self-priming of water body and Gas feeding water sprayer, it utilizes the high speed rotating of water pump impeller, the liquid that flow velocity is very high is delivered to jet exit, make the speed-raising of water body afflux, make mixing section formation negative pressure and entrainment air with higher flow velocity, be mixed into many tiny bubbles, spray through diffuser tube.Its mechanism is to utilize the supersonic speed of working fluid to change to ultrasonic transonic speed to subsonic speed or subsonic speed, follows alternately changing of pressure and flow velocity, temperature simultaneously, finishes the working process of gas-liquid mixed.Its shortcoming is: working fluid pressure is bigger, and working conditions is limited to.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of can making to produce the mist microvesicle mixture in the water body, effectively improves the mist microvesicle gas jet aeration head of air utilization ratio, dynamic efficiency and mixing efficiency.
The technical solution adopted in the present invention is: a kind of mist microvesicle gas jet aeration head, include air intake structure and be enclosed within the air outlet end of air intake structure and the structure of giving vent to anger of combining closely with it, wherein, the central shaft of described air intake structure is to being formed with induction trunk, between the inwall of the air intake structure that forms induction trunk and its outer wall, also axially be formed with pressure equalisation passage, on the outer wall of air intake structure, also outwards protrude and be formed with the balance tracheae that is connected with pressure equalisation passage, be formed with at the inlet mouth end of air intake structure and be used for the outside screw that is connected with inlet pipe; Be provided with nozzle core in the described induction trunk; The central shaft of the described structure of giving vent to anger is formed with the mixing section that is connected with the outlet passageway of the structure of giving vent to anger to being formed with outlet passageway in the junction of structure front end with the air outlet end of air intake structure of giving vent to anger, and is provided with spherical check valve in mixing section.
Described nozzle core is to be fixed in the induction trunk of air intake structure by the passive strut member that is separately positioned on its two ends.
The induction trunk of described air intake structure is the pyramidal structure of the diameter of inlet mouth end greater than the diameter of its air outlet end, thereby the structure of described nozzle core is and the corresponding cone shape structure of induction trunk.
Described balance tracheae air intake structure is provided with more than two or one.
The air outlet end of the described structure of giving vent to anger also is provided with shield cap by support.
The combination of the described air intake structure and the structure of giving vent to anger is to link and connect and mortise is in the same place by being formed on outside screw and the spiral shell that is formed on the structural internal thread of giving vent to anger on the air intake structure.
Described air intake structure and the combination of structure of giving vent to anger are by the grab on the balance tracheae that is formed on air intake structure, with the periphery of the port that combines with air intake structure that is formed on the structure of giving vent to anger and be stuck in convex edge 16 in the grab 15 and mortise is in the same place.
Described nozzle core is a kind of mist microvesicle gas jet aeration head at an end that is positioned at air inlet, include air intake structure and be enclosed within the air outlet end of air intake structure and the structure of giving vent to anger of combining closely with it, described air intake structure be by internal layer and be enclosed within internal layer the outside, and and internal layer between axially be formed with pressure equalisation passage skin constitute, wherein, outwards protrude on the skin and be formed with the balance tracheae that is connected with pressure equalisation passage 4, the central shaft of internal layer is to being formed with induction trunk, is formed with at the inlet mouth end of internal layer to be used for the outside screw that is connected with inlet pipe; Be provided with nozzle core in the described induction trunk; The central shaft of the described structure of giving vent to anger is formed with the mixing section that is connected with the outlet passageway of the structure of giving vent to anger to being formed with outlet passageway in the junction of structure front end with the air outlet end of air intake structure of giving vent to anger, and is provided with spherical check valve in mixing section.
Mist microvesicle gas jet aeration head of the present invention can make the biological tank water body produce vaporific micro-bubble, can effectively improve air utilization ratio, dynamic efficiency and mixing efficiency, reduces the gas blower power consumption, reaches the purpose that reduces the gas blower installed capacity.Construction cost and running cost all are reduced.Mist microvesicle gas jet aeration head of the present invention can not stop up.Simple in structure, to make easily and assemble, setting accuracy requires low.Also have following characteristics:
1, not only do not have and entrainment but also can control this aeration head by the method for regulating tolerance and stir or upwards spray to spraying all round;
2, working gas is less than the low pressure of 0.07Mpa (gauge pressure), the gas of low speed;
3, this mist microvesicle gas jet aeration head vertically is installed under water, employing be that the low pressure velocity air jet of owing to expand carries out external expansion, utilize rarefaction wave and perturbation wave to reach the purpose of strengthening pulverizing bubble, make water body reach the effect of mist microvesicle;
4, the inlet end of conical nozzle core has nose cone gas is evenly shunted.
Description of drawings
Fig. 1 is an external structure synoptic diagram of the present invention;
Fig. 2 is an internal structure synoptic diagram of the present invention;
Fig. 3 is the structural representation of nozzle core both ends of the surface of the present invention, and wherein Fig. 3 a is a front end face, and 3b is an aft end face;
Fig. 4 is the structural representation of one embodiment of the invention;
Fig. 5 is the structural representation of further embodiment of this invention.
Wherein:
1: air intake structure 2: the structure of giving vent to anger
3: induction trunk 4: pressure equalisation passage
5: balance tracheae 6: outside screw
7: nozzle core 8: mixing section
9: outlet passageway 10: spherical check valve
11: strut member 12: strut member
13: support 14: shield cap
15: grab 16: convex edge
17: internal layer 18: skin
Embodiment
Below in conjunction with embodiment mist microvesicle gas jet aeration head of the present invention is made a detailed description.
The present invention is the low pressure P that utilizes gas blower
1＜0.07Mpa (gauge pressure) gas adopts the low pressure low velocity gas jet of owing to expand under water, utilizes rarefaction wave and perturbation wave to reach the purpose of strengthening pulverizing bubble.
As Fig. 1, shown in Figure 2, mist microvesicle gas jet aeration head of the present invention, the structure 2 of giving vent to anger that includes air intake structure 1 and be enclosed within the air outlet end of air intake structure 1 and combine closely with it, wherein, the central shaft of described air intake structure 1 is to being formed with induction trunk 3, between the inwall of the air intake structure 1 that forms induction trunk 3 and its outer wall, also axially be formed with pressure equalisation passage 4, also outwards protrude on the outer wall of air intake structure 1 and be formed with the balance tracheae 5 that is connected with pressure equalisation passage 4, described balance tracheae 5 air intake structures 1 are provided with more than two or one.Balance tracheae 5 sprays bubble and is used for stirring the water body bottom around gas jet aeration head, is formed with at the inlet mouth end of air intake structure 1 to be used for the outside screw 6 that is connected with inlet pipe; Be provided with nozzle core 7 in the described induction trunk 3.Described nozzle core 7 is the nose cone structure at an end that is positioned at air inlet.
As shown in Figure 3, described nozzle core 7 be passive strut member 11 by being separately positioned on its two ends and strut member 12 be fixed on air intake structure 1 induction trunk 3 in.Described strut member 11 and the strut member 12 that is used for support nozzle core 7 respectively is provided with 2 to 4.
As shown in Figure 2, the induction trunk 3 of described air intake structure 1 is the pyramidal structure of the diameter of inlet mouth end greater than the diameter of its air outlet end, thereby the structure of described nozzle core 7 is and induction trunk 3 corresponding conical structures.
As shown in Figure 2, the central shaft of the described structure 2 of giving vent to anger is to the outlet passageway 9 that is formed with divergent contour, be formed with the mixing section 8 that is connected with the outlet passageway 9 of the structure 2 of giving vent to anger in the junction of structure 2 front ends of giving vent to anger, in mixing section 8, be provided with spherical check valve 10 with the air outlet end of air intake structure 1.The air outlet end of the described structure 2 of giving vent to anger also is provided with shield cap 14 by support 13.Air-flow upwards sprayed stirring water body top through the outlet passageway 9 that the point-like ring nozzle passes through divergent contour when the present invention sprayed.After gas-water mixture enters water body from outlet passageway 9 ejections, carry out external expansion, this expansion is the external expansion of low pressure low speed, utilizes rarefaction wave and perturbation wave to reach the purpose of strengthening pulverizing bubble.
In order to prevent mixing section 8 outlets easily by spherical check valve 10 obstructions, the present invention is designed to laciniation with the outlet of mixing section 8.
The combination of the described air intake structure 1 and the structure 2 of giving vent to anger is to link and connect and mortise is in the same place by being formed on outside screw and the spiral shell that is formed on the internal thread on the structure 2 of giving vent to anger on the air intake structure 1.
As shown in Figure 4, the combination of the described air intake structure 1 and the structure 2 of giving vent to anger can also be by the grab 15 on the balance tracheae 5 that is formed on air intake structure 1, with the periphery of the port that combines with air intake structure 1 that is formed on the structure 2 of giving vent to anger and be stuck in convex edge 16 in the grab 15 and mortise together.
As shown in Figure 5, mist microvesicle gas jet aeration head of the present invention, can also adopt following structure, the structure 2 of giving vent to anger that includes air intake structure 1 and be enclosed within the air outlet end of air intake structure 1 and combine closely with it, described air intake structure 1 be by internal layer 17 and be enclosed within internal layer 17 the outside and and internal layer 17 between axially be formed with pressure equalisation passage 4 skin 18 constitute, described internal layer 17 and outer 18 is by bonding or be threaded and combine.Wherein, outwards protrude on outer 18 and be formed with the balance tracheae 5 that is connected with pressure equalisation passage 4, the central shaft of internal layer 17 is to being formed with induction trunk 3, is formed with at the inlet mouth end of internal layer 17 to be used for the outside screw 6 that is connected with inlet pipe; Be provided with nozzle core 7 in the described induction trunk 3; The central shaft of the described structure 2 of giving vent to anger is to being formed with outlet passageway 9, be formed with the mixing section 8 that is connected with the outlet passageway 9 of the structure 2 of giving vent to anger in the junction of structure 2 front ends of giving vent to anger, in mixing section 8, be provided with spherical check valve 10 with the air outlet end of air intake structure 1.
Working process of the present invention is: at first this device is vertically connected on the inlet pipe, when the inlet pipe air inlet, gas enters from induction trunk 3, spherical check valve 10 is backed down, gas is mixed in mixing section 8, when gaseous tension is big, the gas in the mixing section 8 will form bubble and upwards spray stirring water body top from outlet passageway 9; When gaseous tension hour, the gases in the mixing section 8 will form bubble from pressure equalisation passage 4 and balance tracheae 5 to around ejection stirring water body bottom.
Claims (9)
1. mist microvesicle gas jet aeration head, it is characterized in that, the structure of giving vent to anger (2) that includes air intake structure (1) and be enclosed within the air outlet end of air intake structure (1) and combine closely with it, wherein, the central shaft of described air intake structure (1) is to being formed with induction trunk (3), between the inwall of the air intake structure (1) that forms induction trunk (3) and its outer wall, also axially be formed with pressure equalisation passage (4), on the outer wall of air intake structure (1), also outwards protrude and be formed with the balance tracheae (5) that is connected with pressure equalisation passage (4), be formed with at the inlet mouth end of air intake structure (1) and be used for the outside screw (6) that is connected with inlet pipe; Be provided with nozzle core (7) in the described induction trunk (3); The central shaft of the described structure of giving vent to anger (2) is to being formed with outlet passageway (9), be formed with the mixing section (8) that is connected with the outlet passageway (9) of the structure of giving vent to anger (2) at the structure of giving vent to anger (2) front end with the junction of the air outlet end of air intake structure (1), in mixing section (8), be provided with spherical check valve (10).
2. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that described nozzle core (7) is to be fixed in the induction trunk (3) of air intake structure (1) by passive strut member (11) that is separately positioned on its two ends and strut member (12).
3. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that, the induction trunk (3) of described air intake structure (1) is the pyramidal structure of the diameter of inlet mouth end greater than the diameter of its air outlet end, thereby the structure of described nozzle core (7) is and the corresponding conical structure of induction trunk (3).
4. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that described balance tracheae (5) air intake structure (1) is provided with more than two or one.
5. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that the air outlet end of the described structure of giving vent to anger (2) also is provided with shield cap (14) by support (13).
6. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that, the combination of described air intake structure (1) and the structure of giving vent to anger (2) be by be formed on outside screw and the spiral shell that is formed on the internal thread on the structure of giving vent to anger (2) on the air intake structure (1) link connect and mortise together.
7. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that, the combination of described air intake structure (1) and the structure of giving vent to anger (2) is by the grab (15) on the balance tracheae (5) that is formed on air intake structure (1), with the periphery of the port that combines with air intake structure (1) that is formed on the structure of giving vent to anger (2) and be stuck in convex edge (16) in the grab (15) and mortise together.
8. according to claim 1 mist microvesicle gas jet aeration head, it is characterized in that described nozzle core (7) is the nose cone structure at an end that is positioned at air inlet.
9. mist microvesicle gas jet aeration head, it is characterized in that, the structure of giving vent to anger (2) that includes air intake structure (1) and be enclosed within the air outlet end of air intake structure (1) and combine closely with it, described air intake structure (1) is by internal layer (17) and is enclosed within the outside of internal layer (17), and and internal layer (17) between axially be formed with pressure equalisation passage (4) skin (18) constitute, wherein, outer (18) are gone up outwards to protrude and are formed with the balance tracheae (5) that is connected with pressure equalisation passage (4), the central shaft of internal layer (17) is to being formed with induction trunk (3), is formed with at the inlet mouth end of internal layer (17) to be used for the outside screw (6) that is connected with inlet pipe; Be provided with nozzle core (7) in the described induction trunk (3); The central shaft of the described structure of giving vent to anger (2) is to being formed with outlet passageway (9), be formed with the mixing section (8) that is connected with the outlet passageway (9) of the structure of giving vent to anger (2) at the structure of giving vent to anger (2) front end with the junction of the air outlet end of air intake structure (1), in mixing section (8), be provided with spherical check valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100613744A CN100537451C (en) | 2007-10-09 | 2007-10-09 | Mist microvesicle gas jet aeration head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100613744A CN100537451C (en) | 2007-10-09 | 2007-10-09 | Mist microvesicle gas jet aeration head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101172701A true CN101172701A (en) | 2008-05-07 |
| CN100537451C CN100537451C (en) | 2009-09-09 |
Family
ID=39421491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100613744A Expired - Fee Related CN100537451C (en) | 2007-10-09 | 2007-10-09 | Mist microvesicle gas jet aeration head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100537451C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979665A (en) * | 2014-04-25 | 2014-08-13 | 中国科学技术大学 | Double-fluid micro-bubble spraying generating device |
| CN105293678A (en) * | 2015-11-30 | 2016-02-03 | 赵逸男 | Blocking-proof micro-bubble aeration device for sewage treatment |
-
2007
- 2007-10-09 CN CNB2007100613744A patent/CN100537451C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979665A (en) * | 2014-04-25 | 2014-08-13 | 中国科学技术大学 | Double-fluid micro-bubble spraying generating device |
| CN103979665B (en) * | 2014-04-25 | 2015-04-22 | 中国科学技术大学 | Double-fluid micro-bubble spraying generating device |
| CN105293678A (en) * | 2015-11-30 | 2016-02-03 | 赵逸男 | Blocking-proof micro-bubble aeration device for sewage treatment |
| CN105293678B (en) * | 2015-11-30 | 2017-08-11 | 赵逸男 | A kind of anti-clogging microbubble aerator for sewage disposal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537451C (en) | 2009-09-09 |
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| C10 | Entry into substantive examination | ||
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Granted publication date: 20090909 Termination date: 20101009 |