CN217173463U - Micro-nano air supporting device - Google Patents
Micro-nano air supporting device Download PDFInfo
- Publication number
- CN217173463U CN217173463U CN202221156141.9U CN202221156141U CN217173463U CN 217173463 U CN217173463 U CN 217173463U CN 202221156141 U CN202221156141 U CN 202221156141U CN 217173463 U CN217173463 U CN 217173463U
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- separation chamber
- chamber
- air
- aeration
- micro
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- 238000000926 separation method Methods 0.000 claims abstract description 73
- 238000005273 aeration Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 238000005276 aerator Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 238000005188 flotation Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Classifications
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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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- Physical Water Treatments (AREA)
Abstract
The utility model relates to a micro-nano air supporting device, it includes: the aeration chamber is internally provided with an aerator, the aerator comprises an exhaust pipe for extracting air, the inner end of the exhaust pipe is provided with an impeller, the impeller can generate negative pressure during rotation so as to absorb the air in the exhaust pipe and can break bubbles generated in wastewater by the air during rotation, and the upper edge of the aeration chamber is provided with an overflow port; a first separation chamber; the second separation chamber is connected with the first separation chamber in series, an overflow port is also formed in the upper edge of the second separation chamber, and an inclined plate separation piece is further arranged in the second separation chamber; a mud scraping mechanism; and the multiphase flow pump is connected with the water outlet of the second separation chamber and the bottom of the second separation chamber. Form a multi-stage air floatation device and have good treatment effect.
Description
Technical Field
The utility model belongs to the water treatment field relates to micro-nano air supporting device.
Background
The air flotation device is widely applied to various fields as oil removal equipment for wastewater pretreatment, particularly in the industries of steel, petrifaction and the like, the adoption of the first-stage air flotation reaction is not enough to remove oil, suspended matters and other pollutants to the concentration which can be borne by subsequent facilities, so that a method of serially connecting two air flotation devices and performing treatment through two-stage air flotation is generally adopted in the industries of steel, petrifaction and the like, and although the method of the two-stage air flotation treatment can meet the requirements of the subsequent facilities, the defects of large occupied area, high operation cost, high investment and the like exist. Therefore, in view of some problems of the existing method for treating wastewater by connecting two air flotation devices in series and performing two-stage air flotation in the industries of steel, petrochemical industry and the like, an air flotation device meeting the function of wastewater pretreatment is particularly needed, and the existing defects are overcome. Chinese patent documents "CN 104341021A" and "CN 101696043A" are improvements for this purpose. The utility model discloses a further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a micro-nano air supporting device has solved the problem that further improves the treatment effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a micro-nano air supporting device, it includes:
the aeration device comprises an aeration chamber, an aerator is arranged in the aeration chamber, the aerator comprises an air exhaust pipe for extracting air, an impeller is arranged at the inner end of the air exhaust pipe, the impeller can generate negative pressure during rotation so as to absorb the air in the air exhaust pipe and can break bubbles generated in wastewater by the air during rotation, and an overflow port is arranged at the upper edge of the aeration chamber;
a first separation chamber;
the second separation chamber is connected with the first separation chamber in series, an overflow port is also formed in the upper edge of the second separation chamber, and an inclined plate separation piece (9) is further arranged in the second separation chamber (3);
the mud scraping mechanism is arranged above the first separation chamber and the second separation chamber and comprises a rotating chain, a scraping plate connected to the chain and moving along with the chain, a first collecting tank and a second collecting tank, and the first collecting tank and the second collecting tank are respectively arranged in the first separation chamber and the second separation chamber;
the multiphase flow pump is connected with the water outlet of the second separation chamber and the bottom of the second separation chamber, the multiphase flow pump can mix and inject air and the water outlet of the second separation chamber into the bottom of the second separation chamber, an aeration channel is arranged in the second separation chamber, the aeration channel extends upwards from the bottom of the second separation chamber for a set distance, and an outlet of the multiphase flow pump is opened at the lower end of the aeration channel.
Preferably, a screw conveying blade is arranged in each of the first collecting tank and the second collecting tank.
Preferably, the height of the overflow plate at the overflow port of the second separation chamber is set up in a lifting manner.
Preferably, a return pipe is further arranged between the bottom of the first separation chamber and the bottom of the aeration chamber.
Preferably, the inclined plate separator is disposed at the top of the second separation chamber.
Further, the inclined plate separator extends to the entire horizontal plane of the second separation chamber.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a micro-nano air supporting device, most oil and suspended particles thing are got rid of in first separator, and let in the second separator with the bubble that heterogeneous stream pump produced, further aerate the second separator, have reached stage treatment's effect, can make the treatment result better. And because the inclined plate separating piece is arranged in the second separating chamber, water and the water-gas-solid matter are subjected to solid-liquid separation, and the water-gas-solid matter forms floating slag, the purifying effect is further improved.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a micro-nano air flotation device according to a preferred embodiment of the present invention;
wherein the reference numerals are as follows:
1. an aeration chamber;
2. a first separation chamber;
3. a second separation chamber;
4. a mud scraping mechanism; 41. a chain; 42. a squeegee; 43. a first holding tank; 44. a second holding tank;
5. a multiphase flow pump;
6. an aerator; 61. an air exhaust pipe; 62. an impeller; 63. an aeration motor;
7. a screw conveying blade;
8. an overflow weir adjusting hand wheel;
9. a swash plate separator;
10. and (4) expanding the tube.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The micro-nano air flotation device shown in fig. 1 mainly comprises an aeration chamber 1, a first separation chamber 2 and a second separation chamber 3. An aerator 6 is arranged in the aeration chamber 1. The upper end of the aeration chamber 1 is provided with an overflow port. The aerator 6 includes an air suction pipe 61, an impeller 62, and an aeration motor 63. The air exhaust tube 61 is a shaft rod, the outer periphery of which is sleeved with a sleeve, a cavity is formed between the shaft rod and the sleeve, and the cavity is used for air circulation. The lower end of the air suction pipe 61 is provided with an impeller 62, and the impeller 62 is connected with a shaft rod and driven by an aeration motor 63. The impeller 62 rotates fast to form a vacuum area in water, air is introduced to the upper end of the air suction pipe 61, the air is sucked under the action of vacuum around the impeller 62, and the air enters the water from the upper end to the lower end of the air suction pipe 61 and is crushed into micro-bubbles under three shearing forces generated by the fast rotation of the impeller 62. The microbubbles organically combine with the oil and suspended particulate matter in the wastewater and rise to the surface of the liquid. Upon reaching the surface, the contaminants are supported by the microbubbles and float to the surface. The sewage in the aeration chamber 1 overflows to the first separation chamber 2 on the right side. The sewage entering the aeration chamber 1 has been added with PAC and PAM flocculating agents in advance.
The right side of the first separation chamber 2 is adjoined by a second separation chamber 3. The first separation chamber 2 and the second separation chamber 3 are arranged in series. The boundary between the first separation chamber 2 and the second separation chamber 3 may be defined by a return water outlet of the dissolved air tank 51.
A return pipe (not shown) is arranged between the bottom of the first separation chamber 2 and the bottom of the aeration chamber 1, and the return pipe can prevent the bottom of the aeration chamber 1 from generating sediment.
A mud scraping mechanism 4 is arranged above the first separation chamber 2 and the second separation chamber 3. The mud scraping mechanism 4 includes a chain 41, a plurality of scrapers 42, a first collecting tank 43, and a second collecting tank 44. The chain 41 is revolving. The scraper 42 is connected to the chain 41, and rotates along with the chain 41 to scrape the scum on the water surface to the first collecting tank 43 and the second collecting tank 44 to be collected. Screw conveying blades 7 are arranged in the first collecting tank 43 and the second collecting tank 44 respectively and used for discharging sludge.
A multiphase flow pump 5 and corresponding pipelines are also arranged between the water outlet of the second separation chamber 3 and the bottom of the second separation chamber 3. The clean water discharged from the second separation chamber 3 is mixed with the air sucked by the multiphase flow pump 5 in the multiphase flow pump 5, and then enters the expansion pipe 10, and is pumped into the bottom of the second separation chamber 3, and is aerated in the second separation chamber 3. The sewage is aerated when it enters the second separation chamber 3 from the first separation chamber 2, and oil and particles in the sewage are further floated and scraped by the sludge scraping means 4.
An inclined plate separator 9 is also provided in the second separation chamber 3. The inclined plate separator 9 is located at the top of the second separation chamber 3 and the inclined plate separator 9 extends to the entire level of the second separation chamber 3And (5) kneading. In the top area of the second separation chamber 3, water and 'water-gas-solid' matters are subjected to solid-liquid separation, and the 'water-gas-solid' matters form scum, are scraped into the second collecting tank 44 through the mud scraping mechanism 4, and are discharged into the scum tank from the second collecting tank 44. The inclined plate separator 9 improves the separation efficiency. The surface load of the separation area is more than 20m 3 /m 2 .h。
The height of the overflow plate at the overflow port of the second separation chamber 3 is arranged in a lifting way, and the height of the overflow plate is adjusted up and down by an overflow weir adjusting hand wheel 8.
To sum up, the utility model discloses a micro-nano air supporting device has fused the advantage of two kinds of air supporting of cavitation air supporting and dissolved air pump air supporting, makes the two integration as an organic whole, has simple structure, equipment wholeness good, take up an area of little, low energy consumption, easy operation, simple to operate, can obtain advantages such as excellent play water effect under the condition of high pollution load. And the inclined plate separating piece 9 makes the water and the 'water-gas solid' matter carry out solid-liquid separation, so that the sewage treatment is more thorough.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a micro-nano air supporting device which characterized in that, it includes:
the aeration device comprises an aeration chamber (1), an aerator (6) is arranged in the aeration chamber (1), the aerator (6) comprises an air suction pipe (61) for sucking air, an impeller (62) is arranged at the inner end of the air suction pipe (61), the impeller (62) can generate negative pressure during rotation so as to suck the air in the air suction pipe (61) and can break bubbles generated in wastewater by the air during rotation, and an overflow port is arranged at the upper edge of the aeration chamber (1);
a first separation chamber (2);
the second separation chamber (3) is connected with the first separation chamber (2) in series, an overflow port is also formed in the upper edge of the second separation chamber (3), and an inclined plate separation piece (9) is further arranged in the second separation chamber (3);
a mud scraping mechanism (4), wherein the mud scraping mechanism (4) is arranged above the first separation chamber (2) and the second separation chamber (3), the mud scraping mechanism (4) comprises a revolving chain (41), a scraper (42) connected to the chain (41) and moving along with the chain (41), a first collecting tank (43) and a second collecting tank (44), and the first collecting tank (43) and the second collecting tank (44) are respectively arranged in the first separation chamber (2) and the second separation chamber (3);
heterogeneous pump (5), heterogeneous pump (5) are connected second separator chamber (3) play water department with second separator chamber (3) bottom, heterogeneous pump (5) can mix and inject the play water of air and second separator chamber (3) bottom, be provided with the aeration way in second separator chamber (3), the aeration way certainly second separator chamber (3) bottom upwards extends the settlement distance, the exit opening of heterogeneous pump (5) in aeration way lower extreme.
2. The micro-nano air flotation device according to claim 1, characterized in that: helical conveying blades (7) are arranged in the first collecting tank (43) and the second collecting tank (44).
3. The micro-nano air flotation device according to claim 1, characterized in that: the height of an overflow plate at the overflow port of the second separation chamber (3) is arranged in a lifting manner.
4. The micro-nano air flotation device according to claim 1, characterized in that: a return pipe is arranged between the bottom of the first separation chamber (2) and the bottom of the aeration chamber (1).
5. The micro-nano air flotation device according to claim 1, characterized in that: the inclined plate separator (9) is arranged on top of the second separation chamber (3).
6. The micro-nano air flotation device according to claim 5, characterized in that: the inclined plate separator (9) extends over the entire horizontal surface of the second separation chamber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156141.9U CN217173463U (en) | 2022-05-16 | 2022-05-16 | Micro-nano air supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156141.9U CN217173463U (en) | 2022-05-16 | 2022-05-16 | Micro-nano air supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217173463U true CN217173463U (en) | 2022-08-12 |
Family
ID=82712223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221156141.9U Active CN217173463U (en) | 2022-05-16 | 2022-05-16 | Micro-nano air supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217173463U (en) |
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2022
- 2022-05-16 CN CN202221156141.9U patent/CN217173463U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 716000 Yanchang Petroleum office base, Zaoyuan Road, Baota District, Yan'an City, Shaanxi Province Patentee after: SHAANXI YANCHANG PETROLEUM (Group) Co.,Ltd. Country or region after: China Patentee after: Mai Wang Environmental Technology Co.,Ltd. Address before: No.61 Tangyan Road, hi tech Zone, Xi'an City, Shaanxi Province Patentee before: SHAANXI YANCHANG PETROLEUM (Group) Co.,Ltd. Country or region before: China Patentee before: MCWONG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |