CN218058608U - Aeration tank for treating urban domestic sewage - Google Patents
Aeration tank for treating urban domestic sewage Download PDFInfo
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- CN218058608U CN218058608U CN202220988607.5U CN202220988607U CN218058608U CN 218058608 U CN218058608 U CN 218058608U CN 202220988607 U CN202220988607 U CN 202220988607U CN 218058608 U CN218058608 U CN 218058608U
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- aeration tank
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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 utility model relates to a sewage treatment device technical field specifically is an aeration tank for municipal domestic sewage treatment, include: the shell, the gas pocket dish, the mount, the axostylus axostyle, the spacing ring, blade and crushing plate, the shell is the tubular structure, the bottom of shell has the flange structure, shell top spiro union has the gas pocket dish, a plurality of gas pockets with annular distribution are seted up to gas pocket dish top surface, the mount comprises three branch and solid fixed ring, the first end of three branch is with when angular distribution on solid fixed ring's annular outer wall, the second end of three branch is installed on the annular inner wall of shell, the rotatable installation of axostylus axostyle is inboard at solid fixed ring, and be located solid fixed ring bottom surface and be provided with the spacing ring on the annular outer wall of axostylus axostyle, with the displacement volume of restriction axostylus axostyle in vertical direction, at least three blade is installed to the bottom of axostylus axostyle annular outer wall, install on the top surface of axostylus axostyle in order to solve among the prior art when guaranteeing its oxygenating ability, can's the small problem of resistance loss of unable aeration pursuing.
Description
Technical Field
The utility model relates to a sewage treatment device technical field specifically is an aeration tank for municipal domestic sewage treatment.
Background
The aeration tank is a biochemical reactor designed by people according to the characteristics of microorganisms, the degradation degree of organic pollutants is mainly determined by the designed aeration reaction conditions of people, the aeration tank carries out sewage treatment by using an activated sludge method, certain sewage retention time is provided in the tank, the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge are met, the aeration method can be divided into two types, and mainly comprises blast aeration and mechanical aeration, wherein the blast aeration is carried to an air diffusion device arranged at the bottom of the tank by an air compressor through a pipeline to form bubble diffusion escape;
when the blast aeration is used, air passes through the air hole at the air outlet end, the hole with large aperture is easy to open than the hole with small aperture, so that the resistance required to be overcome by the hole with large aperture is smaller than the resistance required to be overcome by the hole with small aperture, if the aeration resistance loss is too large, the working condition of the microporous aerator is poor, the service life of the aerator is directly influenced, the aeration resistance loss of the aerator is inversely proportional to the aperture of the opening hole on the rubber membrane, but the larger the aeration hole on the rubber membrane is, the larger the bubble during aeration is, and the larger the bubble is, so that the oxygenation capacity of the aerator is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aeration tank for municipal domestic sewage treatment to solve among the prior art when guaranteeing its oxygenation ability, can't pursue the little problem of aeration resistance loss.
In order to achieve the above object, the utility model provides a following technical scheme:
an aeration tank for treating urban domestic sewage, comprising: the gas hole disc is connected with the gas outlet end through a flange structure, the top of the shell is in threaded connection with the gas hole disc, a plurality of gas holes distributed in an annular mode are formed in the top surface of the gas hole disc, a through hole is formed in the center of the top surface of the gas hole disc, the fixing frame is composed of three supporting rods and a fixing ring, the first ends of the three supporting rods are distributed on the annular outer wall of the fixing ring in an equiangular mode, the second ends of the three supporting rods are installed on the annular inner wall of the shell, the axis of the fixing ring is overlapped with the axis of the shell, the shaft rod is rotatably installed on the inner side of the fixing ring, the limiting ring is arranged on the annular outer wall of the shaft rod and located on the bottom surface of the fixing ring to limit the displacement amount of the shaft rod in the vertical direction, at least three blades are installed at the bottom end of the annular outer wall of the shaft rod, the crushing plate comprises a fixing plate and at least three scraping plates distributed on the annular outer wall of the crushing plate in an equiangular mode, and the crushing plate is detachably installed on the top surface of the shaft rod;
when the limiting ring of the annular outer wall of the shaft rod is in contact with the bottom surface of the fixing ring, the top end of the shaft rod is located in the through hole, and the top surface of the shaft rod and the top surface of the air hole disc are located on the same plane.
Preferably, a clamping groove is formed in the edge of the top surface of the shaft rod, and a clamping block is arranged at a position, corresponding to the clamping groove, of the lower wall surface of the fixing plate.
Preferably, the cross section of the supporting rod is in a triangular structure, and the vertex angle of the cross section of the supporting rod is vertical downwards.
Preferably, a plurality of through grooves in the vertical direction are distributed on the top surface of the scraper at equal intervals.
Preferably, the length of the scraper is larger than the diameter of the pore distribution of the pore disk.
Preferably, when the gas flows from bottom to top, the section of the scraper and the gas is an inclined plane.
Compared with the prior art, the beneficial effects of the utility model are that: this aeration tank for municipal domestic sewage treatment, under the gaseous drive of flowing, the blade passes through the shaft lever and drives the scraper blade that has logical groove on pore dish surface and rotate, further breaks the bubble through the pore dish, can provide better oxygenation ability under the same aeration resistance.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a first partial schematic view of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
fig. 4 is a front view of the crushing plate of the present invention.
In the figure: 1. the casing, 2, gas hole dish, 3, through-hole, 4, branch, 5, solid fixed ring, 6, axostylus axostyle, 7, spacing ring, 8, blade, 9, fixed plate, 10, scraper blade, 11, draw-in groove, 12, fixture block, 13, logical groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution of an aeration tank for treating municipal sewage, the detailed connection means thereof is a technique known in the art, and the following mainly describes the working principle and process, and specifically works as follows.
An aeration tank for treating urban domestic sewage comprises: the shell 1, the air hole disc 2, a fixing frame, a shaft lever 6, a limiting ring 7, blades 8 and a crushing plate, wherein the shell 1 is of a tubular structure, the bottom end of the shell 1 is provided with a flange structure and is connected with an air outlet end through the flange structure, the top of the shell 1 is in threaded connection with the air hole disc 2, the top surface of the air hole disc 2 is provided with a plurality of air holes distributed in an annular shape, the center position of the top surface of the air hole disc 2 is provided with a through hole 3, the fixing frame is composed of three supporting rods 4 and a fixing ring 5, the first ends of the three supporting rods 4 are distributed on the annular outer wall of the fixing ring 5 at equal angles, the second ends of the three supporting rods 4 are arranged on the annular inner wall of the shell 1, the axis of the fixing ring 5 is coincided with the axis of the shell 1, the shaft lever 6 is rotatably arranged on the inner side of the fixing ring 5, the limiting ring 7 is arranged on the annular outer wall of the shaft lever 6 and positioned on the bottom surface of the fixing ring 5 to limit the displacement of the shaft lever 6 in the vertical direction, at least three blades 8 are arranged at the bottom end of the annular outer wall of the shaft lever 6, the crushing plate comprises a fixing plate 9 and at least three scraping plates 10 which are distributed on the annular outer wall of the crushing plate at equal angles, the crushing plate is detachably arranged on the top surface of the shaft lever 6, when a limiting ring 7 of the annular outer wall of the shaft lever 6 is contacted with the bottom surface of the fixing ring 5, the top end of the shaft lever 6 is positioned in the through hole 3, the top surface of the shaft lever 6 and the top surface of the air hole disc 2 are positioned on the same plane, when gas enters the shell 1 from the air outlet end and is output through the air hole disc 2, the gas drives the shaft lever 6 to rotate through the blades 8, meanwhile, the crushing plate fixed at the top end of the shaft lever 6 synchronously rotates, the scraping plates 10 rotate on the surface of the air hole disc 2 by taking the shaft lever 6 as the circle center, the scraping plates 10 which rotate after passing through the air holes crush the air holes again bubbles, and the through grooves 13 on the top surface of the scraping plates 10 can improve the efficiency of the bubbles, wherein the detachable breaker plate, the gas hole disc 2 screwed on the shell 1 and the shaft lever 6 limited by the limiting ring 7 facilitate the replacement of parts during use.
Draw-in groove 11 has been seted up to the top surface edge of axostylus axostyle 6, and the position that the lower wall face of fixed plate 9 corresponds with draw-in groove 11 is provided with fixture block 12, increases the synchronism between crushing board and the axostylus axostyle 6, avoids taking place to slide between crushing board and the axostylus axostyle 6.
The cross section of the supporting rod 4 is in a triangular structure, the vertex angle of the cross section of the supporting rod 4 is vertical downward, and when gas flows from bottom to top, the resistance of the gas on the supporting rod 4 can be reduced by the triangular cross section of the supporting rod 4, so that the durability of the fixing frame is improved.
The top surface equidistance of scraper blade 10 distributes and has a plurality of vertical direction's logical groove 13, and when scraper blade 10 rotated, the bubble can pass through in logical groove 13, improves scraper blade 10 to the broken efficiency of bubble.
The length of the scraper 10 is larger than the diameter of the air hole distribution of the air hole disc 2, so that the air bubbles passing through the air hole disc 2 are all broken.
When the gas flows from bottom to top, the tangent plane of the scraper 10 and the gas is an inclined plane, so that the resistance of the liquid and the air to the scraper 10 when the scraper 10 rotates is reduced, and the crushing efficiency of the scraper 10 is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An aeration tank for treating urban domestic sewage is characterized by comprising: the air hole disc type air compressor comprises a shell (1), an air hole disc (2), a fixing frame, a shaft rod (6), a limiting ring (7), blades (8) and a crushing plate, wherein the shell (1) is of a tubular structure, the bottom end of the shell (1) is provided with a flange structure and is connected with an air outlet end through the flange structure, the top of the shell (1) is in threaded connection with the air hole disc (2), the top surface of the air hole disc (2) is provided with a plurality of air holes distributed in an annular mode, a through hole (3) is formed in the center of the top surface of the air hole disc (2), the fixing frame is composed of three supporting rods (4) and a fixing ring (5), the first ends of the three supporting rods (4) are distributed on the annular outer wall of the fixing ring (5) in an equal angle mode, the second ends of the three supporting rods (4) are installed on the annular inner wall of the shell (1), the axis of the fixing ring (5) coincides with the axis of the shell (1), the shaft rod (6) is rotatably installed on the inner side of the fixing ring (5), the annular outer wall of the fixing ring (6) is located on the annular bottom surface of the fixing ring (5) and is provided with the limiting ring (7) to limit ring (6) to limit ring (9) to limit the outer wall, the crushing plate, the axial displacement of the shaft rod (6) in the axial rod (9) and at least three blades (10) are distributed on the annular outer wall of the fixing plate in the annular outer wall in the annular fixing ring (9), the crushing plate is detachably arranged on the top surface of the shaft lever (6);
when the limiting ring (7) of the annular outer wall of the shaft lever (6) is in contact with the bottom surface of the fixing ring (5), the top end of the shaft lever (6) is positioned in the through hole (3), and the top surface of the shaft lever (6) and the top surface of the air hole disc (2) are positioned on the same plane.
2. The aeration tank for treating the urban domestic sewage according to claim 1, wherein: a clamping groove (11) is formed in the edge of the top face of the shaft rod (6), and a clamping block (12) is arranged at the position, corresponding to the clamping groove (11), of the lower wall face of the fixing plate (9).
3. The aeration tank for treating the urban domestic sewage according to claim 1, wherein: the cross section of the supporting rod (4) is in a triangular structure, and the vertex angle of the cross section of the supporting rod (4) is vertical downward.
4. The aeration tank for treating the urban domestic sewage according to claim 1, wherein: the top surface of the scraper (10) is equidistantly distributed with a plurality of through grooves (13) in the vertical direction.
5. The aeration tank for municipal sewage treatment according to claim 1, wherein: the length of the scraper (10) is larger than the diameter of the pore distribution of the pore disc (2).
6. The aeration tank for municipal sewage treatment according to claim 1, wherein: when the gas flows from bottom to top, the section of the scraper (10) and the gas is an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220988607.5U CN218058608U (en) | 2022-04-27 | 2022-04-27 | Aeration tank for treating urban domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220988607.5U CN218058608U (en) | 2022-04-27 | 2022-04-27 | Aeration tank for treating urban domestic sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218058608U true CN218058608U (en) | 2022-12-16 |
Family
ID=84430680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220988607.5U Active CN218058608U (en) | 2022-04-27 | 2022-04-27 | Aeration tank for treating urban domestic sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218058608U (en) |
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2022
- 2022-04-27 CN CN202220988607.5U patent/CN218058608U/en active Active
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