CN111517493A - Rural aeration equipment for sewage treatment - Google Patents
Rural aeration equipment for sewage treatment Download PDFInfo
- Publication number
- CN111517493A CN111517493A CN202010629183.9A CN202010629183A CN111517493A CN 111517493 A CN111517493 A CN 111517493A CN 202010629183 A CN202010629183 A CN 202010629183A CN 111517493 A CN111517493 A CN 111517493A
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- Prior art keywords
- fixed
- aeration
- driving
- transmission
- sleeve
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an aeration device for rural sewage treatment, which relates to the technical field of sewage treatment and comprises a fixed frame, wherein a water tank is fixed in the fixed frame, a vertical adjusting mechanism for driving a transmission sleeve to vertically and reciprocally lift is arranged on the supporting frame, an air pump II is fixed on the side wall of the fixed frame, and an air injection disc communicated with the air pump II through a gas pipe I is fixed at the bottom in the water tank; according to the invention, the rotation of the rotating plate is realized through the arranged aeration mechanism, in the rotating process of the rotating plate, the hollow shaft rotates to drive the spray head to rotate, so that the rotating dispersion of air is promoted, the arranged rotating shaft drives the stirring blades to rotate, the further scattering and refining of air are realized, the oxygen content of sewage is effectively improved, the arranged lifting adjusting mechanism can perform an automatic reciprocating type lifting effect on the vertical position of the aeration mechanism, so that sewage at different depths in the water tank can be fully stirred, the full degree of aeration is remarkably improved, and the efficient purification of sewage is effectively promoted.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an aeration device for rural sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The agricultural sewage contains a large amount of organic impurities, and needs to be purified by virtue of aerobic bacteria, so that an aeration device is needed to aerate the sewage, and the oxygen content of the sewage is improved.
The patent of grant publication No. CN209815755U discloses a high-efficient aeration equipment for sewage treatment, including the aeration tank, the upper end of aeration tank articulates there is the case lid, and the upper end surface one side pin joint of case lid has the water pump, one side of water pump is provided with the connecting pipe, and the upper end of connecting pipe is provided with the intake pipe, the inside upper end movable mounting of aeration tank has the spout board, one side surface intermediate position fixed mounting of aeration tank has first motor, and the opposite side surface intermediate position fixed mounting of aeration tank has the second motor. Although the device can be used for aeration treatment of sewage, air generated by aeration cannot be fully dispersed and refined, so that the content of water is insufficient, and the high-efficiency purification of rural sewage is not facilitated.
Disclosure of Invention
The invention aims to provide an aeration device for rural sewage treatment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an aeration equipment for rural sewage treatment, includes the mount, is fixed with the support frame on the mount, is fixed with the motor on the support frame, and the mount internal fixation has the basin, the drive is connected with drive mechanism on the motor, and the drive is connected with the transmission sleeve pipe of vertical slidable mounting on the mount on the drive mechanism, is fixed with the aeration mechanism who is used for the aeration of sewage in the basin on the transmission sleeve pipe, be equipped with the vertical adjustment mechanism who is used for driving the vertical reciprocal lift of transmission sleeve pipe on the support frame, the mount lateral wall is fixed with air pump II, and the bottom is fixed with the jet-propelled dish that feeds through gas-supply pipe I.
As a modified scheme of the invention: the aeration mechanism comprises a rotating plate fixed on the side wall of the transmission sleeve, a vertically arranged hollow shaft is rotatably mounted on the rotating plate, a spray head is mounted on the hollow shaft, an air pump I is fixed on the rotating plate, and the outlet end of the air pump I is communicated with the inside of the hollow shaft through a pipeline.
As a modified scheme of the invention: the aeration mechanism further comprises an inner gear ring fixed on the fixing frame, the inner gear ring is connected with a transmission gear sleeved and fixed on the hollow shaft in a meshing mode, a main gear is coaxially fixed on the transmission gear, a rotating shaft is rotatably installed on the rotating plate, an auxiliary gear meshed with the main gear is sleeved and fixed on the rotating shaft, and a plurality of pairs of stirring blades are fixed on the side wall of the rotating shaft at equal intervals.
As a modified scheme of the invention: the aeration mechanism also comprises a driving shaft vertically penetrating through the transmission sleeve, and a screen plate is fixed on the side wall of the driving shaft.
As a modified scheme of the invention: the transmission mechanism comprises a driving sleeve vertically penetrating through the transmission sleeve, the driving sleeve is sleeved on the driving shaft, and a clamping strip which is embedded on the inner wall of the transmission sleeve in a sliding mode is fixed on the driving sleeve.
As a modified scheme of the invention: the transmission mechanism further comprises a bevel gear II and a bevel gear I which are respectively sleeved and fixed on the driving shaft and the driving sleeve, and the motor is in driving connection with a bevel gear III meshed with the bevel gear II and the bevel gear I.
As a modified scheme of the invention: the vertical adjusting mechanism comprises a limiting plate, a lifting rack is vertically fixed on the limiting plate, the lifting rack is alternately meshed with an incomplete gear driven by a motor, and a spring ring is fixed between the limiting plate and the fixing frame.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rotation of the rotating plate is realized through the arranged aeration mechanism, in the rotating process of the rotating plate, the hollow shaft rotates to drive the spray head to rotate, so that the rotating dispersion of air is promoted, the arranged rotating shaft drives the stirring blades to rotate, the further scattering and refining of air are realized, the oxygen content of sewage is effectively improved, the arranged lifting adjusting mechanism can perform an automatic reciprocating type lifting effect on the vertical position of the aeration mechanism, so that sewage at different depths in the water tank can be fully stirred, the full degree of aeration is remarkably improved, and the efficient purification of sewage is effectively promoted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a partial perspective view of the present invention.
In the figure: 1-a fixed frame, 2-an air pump I, 3-a clamping strip, 4-a bevel gear I, 5-a driving sleeve, 6-a bevel gear II, 7-a bevel gear III, 8-an inner gear ring, 9-an incomplete gear, 10-a motor, 11-a supporting frame, 12-a limiting plate, 13-a spring ring, 14-a driving sleeve, 15-an air jet disc, 16-an air pipe I, 17-an air pump II, 18-a screen plate, 19-a transmission gear, 20-a pinion, 21-a rotating plate, 22-a water tank, 23-a stirring blade, 24-a rotating shaft, 25-a nozzle, 26-a hollow shaft, 27-a driving shaft, 28-a main gear and 29-a lifting rack.
Detailed Description
The technical scheme of the patent is further described in detail by combining the following specific embodiments:
example 1
Referring to fig. 1-3, an aeration device for rural sewage treatment comprises a fixed frame 1, a support frame 11 is fixed on the fixed frame 1, a motor 10 is fixed on the support frame 11, a water tank 22 is fixed in the fixed frame 1, the motor 10 is connected with a transmission mechanism in a driving manner, the transmission mechanism is connected with a transmission sleeve 14 which is vertically and slidably mounted on the fixed frame 1 in a driving manner, an aeration mechanism for aerating sewage in the water tank 22 is fixed on the transmission sleeve 14, a vertical adjusting mechanism for driving the transmission sleeve 14 to vertically and reciprocally lift is arranged on the support frame 11, an air pump II17 is fixed on the side wall of the fixed frame 1, and an air injection disc 15 which is communicated with the air pump II17 through an air pipe I16 is fixed at the bottom in the.
The water tank 22 arranged in the device is used for storing sewage to be aerated and purified, and the aeration mechanism is used for aeration, so that the oxygen content in the sewage is improved, and the sufficient purification of organic matters in the sewage by aerobic microorganisms is promoted.
Specifically, the aeration mechanism comprises a rotating plate 21 fixed on the side wall of the transmission sleeve 14, a vertically arranged hollow shaft 26 is rotatably installed on the rotating plate 21, a spray nozzle 25 is installed on the hollow shaft 26, an air pump I2 is fixed on the rotating plate 21, and the outlet end of the air pump I2 is communicated with the inside of the hollow shaft 26 through a pipeline. The air flow generated by the air pump I2 enters the hollow shaft 26 and is sprayed out from the plurality of spray heads 25 to be dispersed into the water tank 22, so that the aeration effect is improved.
The aeration mechanism further comprises an inner gear ring 8 fixed on the fixing frame 1, a transmission gear 19 sleeved and fixed on a hollow shaft 26 is connected to the inner gear ring 8 in a meshing mode, a main gear 28 is coaxially fixed on the transmission gear 19, a rotating shaft 24 is rotatably installed on the rotating plate 21, a pinion 20 meshed with the main gear 28 is sleeved and fixed on the rotating shaft 24, and a plurality of pairs of stirring blades 23 are fixed on the side wall of the rotating shaft 24 at equal intervals. The aeration mechanism also comprises a driving shaft 27 vertically penetrating through the transmission sleeve 14, and a screen plate 18 is fixed on the side wall of the driving shaft 27.
When the transmission mechanism drives the transmission sleeve 14 to rotate, the transmission sleeve 14 drives the rotating plate 21 to rotate, the transmission gear 19 on the hollow shaft 26 is meshed with the inner gear ring 8 to realize rotation, the lifting rack 29 rotates along with the hollow shaft 26 and is meshed with the pinion 20, the pinion 20 drives the rotating shaft 24 to rotate at the moment, the rotating effect of the stirring blade 23 is realized, namely, the sprayed air is scattered and refined, the full contact between the sewage and the air is promoted, and the oxygen content is further improved.
Example 2
On the basis of embodiment 1, in addition, the drive mechanism of this device includes vertical drive sleeve 5 that runs through drive sleeve 14, and drive sleeve 5 cover is established on driving shaft 27, be fixed with the card strip 3 of slip setting in drive sleeve 14 inner wall on drive sleeve 5. The transmission mechanism further comprises a bevel gear II6 and a bevel gear I4 which are respectively sleeved and fixed on the driving shaft 27 and the driving sleeve 5, and the motor 10 is in driving connection with a bevel gear III7 which is meshed with the bevel gear II6 and the bevel gear I4.
Through the arrangement, the motor 10 drives the bevel gear III7 to rotate, the bevel gear III7 drives the bevel gear II6 and the bevel gear I4 to rotate, the driving sleeve 5 and the driving shaft 27 rotate reversely at the same time, the driving effect on the aeration mechanism is achieved, the aeration mechanism fully scatters and refines sewage and air, and the oxygen content of the sewage is remarkably improved.
Further, the vertical adjusting mechanism of the device comprises a limiting plate 12 which is sleeved on the transmission sleeve 14 through a bearing connection sleeve, a lifting rack 29 is vertically fixed on the limiting plate 12, incomplete gears 9 driven by a motor 10 are alternately meshed and connected on the lifting rack 29, and a spring ring 13 is fixed between the limiting plate 12 and the fixed frame 1.
The motor 10 drives the incomplete gear 9 to rotate, the incomplete gear 9 is alternately meshed with the lifting rack 29, the lifting rack 29 drives the limiting plate 12 to vertically reciprocate under the elastic action of the spring ring 13, namely, the transmission sleeve 14 can vertically and vertically reciprocate, the vertical position of the aeration mechanism is automatically adjusted, and the sufficient aeration effect of position areas with different vertical depths in the water tank 22 is realized.
In conclusion, the rotating plate 21 is rotated by the arranged aeration mechanism, in the rotating process of the rotating plate 21, the hollow shaft 26 rotates to drive the spray head 25 to rotate, so that the rotating dispersion of air is promoted, the arranged rotating shaft 24 drives the stirring blades 23 to rotate, the further scattering and refining of air are realized, the oxygen content of sewage is effectively improved, the arranged lifting adjusting mechanism can perform an automatic reciprocating lifting effect on the vertical position of the aeration mechanism, so that sewage at different depths in the water tank 22 can be fully stirred, the sufficient degree of aeration is remarkably improved, and the efficient purification of sewage is effectively promoted.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.
Claims (4)
1. An aeration device for rural sewage treatment comprises a fixing frame (1), wherein a supporting frame (11) is fixed on the fixing frame (1), a motor (10) is fixed on the supporting frame (11), a water tank (22) is fixed in the fixing frame (1), and the aeration device is characterized in that a transmission mechanism is connected on the motor (10) in a driving manner, a transmission sleeve (14) which is vertically slidably mounted on the fixing frame (1) is connected on the transmission mechanism in a driving manner, an aeration mechanism which is used for aerating sewage in the water tank (22) is fixed on the transmission sleeve (14), a vertical adjusting mechanism which is used for driving the transmission sleeve (14) to vertically and reciprocally lift is arranged on the supporting frame (11), an air pump II (17) is fixed on the side wall of the fixing frame (1), a jet disk (15) which is communicated with the air pump II (17) through a jet air pipe I (16) is fixed at the bottom in the water tank (22), and the aeration mechanism comprises a, the aeration device comprises a rotating plate (21), a vertically arranged hollow shaft (26) is rotatably arranged on the rotating plate (21), a spray head (25) is arranged on the hollow shaft (26), an air pump I (2) is fixed on the rotating plate (21), the outlet end of the air pump I (2) is communicated with the interior of the hollow shaft (26) through a pipeline, an inner gear ring (8) fixed on a fixing frame (1) is further arranged on the rotating plate (26), a transmission gear (19) sleeved and fixed on the hollow shaft (26) is connected on the inner gear ring (8) in a meshing manner, a main gear (28) is coaxially fixed on the transmission gear (19), a rotating shaft (24) is rotatably arranged on the rotating plate (21), a secondary gear (20) meshed with the main gear (28) is fixedly sleeved on the rotating shaft (24), a plurality of pairs of stirring blades (23) are fixed on the side wall of the rotating shaft (24, the driving sleeve (5) is sleeved on the driving shaft (27), and a clamping strip (3) which is embedded in the inner wall of the transmission sleeve (14) in a sliding mode is fixed on the driving sleeve (5).
2. An aeration apparatus according to claim 1, wherein the aeration mechanism further comprises a driving shaft (27) vertically penetrating through the transmission sleeve (14), and the side wall of the driving shaft (27) is fixed with a mesh plate (18).
3. The rural sewage treatment aeration device according to claim 2, wherein the transmission mechanism further comprises a bevel gear II (6) and a bevel gear I (4) which are respectively sleeved and fixed on the driving shaft (27) and the driving sleeve (5), and the motor (10) is in driving connection with a bevel gear III (7) which is meshed with the bevel gear II (6) and the bevel gear I (4).
4. The rural sewage treatment aeration device according to claim 1, wherein the vertical adjustment mechanism comprises a limiting plate (12) sleeved on the transmission sleeve (14) through a bearing connection, a lifting rack (29) is vertically fixed on the limiting plate (12), incomplete gears (9) driven by a motor (10) are alternately meshed and connected on the lifting rack (29), and a spring ring (13) is fixed between the limiting plate (12) and the fixing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629183.9A CN111517493A (en) | 2020-07-03 | 2020-07-03 | Rural aeration equipment for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629183.9A CN111517493A (en) | 2020-07-03 | 2020-07-03 | Rural aeration equipment for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111517493A true CN111517493A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629183.9A Pending CN111517493A (en) | 2020-07-03 | 2020-07-03 | Rural aeration equipment for sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111517493A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973240A (en) * | 2021-04-15 | 2021-06-18 | 菏泽学院 | Concentration equipment of livestock and poultry liquid dung zymotic fluid |
| CN113072181A (en) * | 2021-04-03 | 2021-07-06 | 陈波 | Separate aeration upflow sludge blanket integration sewage treatment device |
| CN114477484A (en) * | 2022-02-22 | 2022-05-13 | 宁波市政工程建设集团股份有限公司 | Energy-saving aeration device for sewage treatment and use method thereof |
| CN116874009A (en) * | 2023-09-06 | 2023-10-13 | 海普欧环保集团有限公司 | COD treatment device based on high-salt sewage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265627A (en) * | 2017-07-24 | 2017-10-20 | 安徽永生堂药业有限责任公司 | A kind of circulating sanitary sewage aerator |
| CN108033553A (en) * | 2018-01-22 | 2018-05-15 | 深圳市晟祥知识产权有限公司 | A kind of municipal works Special sewage treatment device |
| CN109381945A (en) * | 2018-12-21 | 2019-02-26 | 洪辉 | High effect dust cleaner is used in a kind of construction protection |
| CN210393921U (en) * | 2019-06-29 | 2020-04-24 | 四川立翔建设工程有限公司 | A aeration equipment for lake water ecological remediation |
| CN111204859A (en) * | 2020-01-16 | 2020-05-29 | 徐卫 | Sewage treatment aeration equipment |
-
2020
- 2020-07-03 CN CN202010629183.9A patent/CN111517493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265627A (en) * | 2017-07-24 | 2017-10-20 | 安徽永生堂药业有限责任公司 | A kind of circulating sanitary sewage aerator |
| CN108033553A (en) * | 2018-01-22 | 2018-05-15 | 深圳市晟祥知识产权有限公司 | A kind of municipal works Special sewage treatment device |
| CN109381945A (en) * | 2018-12-21 | 2019-02-26 | 洪辉 | High effect dust cleaner is used in a kind of construction protection |
| CN210393921U (en) * | 2019-06-29 | 2020-04-24 | 四川立翔建设工程有限公司 | A aeration equipment for lake water ecological remediation |
| CN111204859A (en) * | 2020-01-16 | 2020-05-29 | 徐卫 | Sewage treatment aeration equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072181A (en) * | 2021-04-03 | 2021-07-06 | 陈波 | Separate aeration upflow sludge blanket integration sewage treatment device |
| CN112973240A (en) * | 2021-04-15 | 2021-06-18 | 菏泽学院 | Concentration equipment of livestock and poultry liquid dung zymotic fluid |
| CN114477484A (en) * | 2022-02-22 | 2022-05-13 | 宁波市政工程建设集团股份有限公司 | Energy-saving aeration device for sewage treatment and use method thereof |
| CN116874009A (en) * | 2023-09-06 | 2023-10-13 | 海普欧环保集团有限公司 | COD treatment device based on high-salt sewage |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200811 |
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| RJ01 | Rejection of invention patent application after publication |