CN110790403A - Self-cleaning can promote aeration equipment among sewage treatment - Google Patents
Self-cleaning can promote aeration equipment among sewage treatment Download PDFInfo
- Publication number
- CN110790403A CN110790403A CN201911218480.8A CN201911218480A CN110790403A CN 110790403 A CN110790403 A CN 110790403A CN 201911218480 A CN201911218480 A CN 201911218480A CN 110790403 A CN110790403 A CN 110790403A
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- Prior art keywords
- air
- aerator
- pipe
- distribution
- cleaning
- 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.)
- Pending
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000009826 distribution Methods 0.000 claims abstract description 79
- 238000005276 aerator Methods 0.000 claims abstract description 40
- 239000002893 slag Substances 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 23
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 14
- 239000010962 carbon steel Substances 0.000 claims description 14
- 229920002943 EPDM rubber Polymers 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 42
- 238000010073 coating (rubber) Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- -1 and the manpower Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006241 metabolic reaction Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
Landscapes
- 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)
Abstract
The invention discloses a lifting aeration device capable of automatically cleaning in sewage treatment, which comprises an air inlet main pipe, an air distribution converter and an aerator. Wherein, both ends of the air inlet main pipe are respectively provided with an air inlet main valve and a slag outlet valve, the air inlet main pipe is provided with a water injection branch and a gas distribution branch, and the water injection branch is provided with a water injection port valve; the first end of the gas distribution pipe is connected with a gas distribution branch flange; the air inlet end of the air distribution converter is connected with the second end flange of the air distribution pipe; the air inlet end of the aerator is connected with the air outlet end flange of the air distribution converter. Compared with the prior art, under the condition that the improved water tank is full of water, the aeration device can be simply, conveniently and quickly installed, the blockage of the micropores of the aerator can be automatically cleaned, the aeration of single-group faults can be conveniently promoted and maintained in the later period, the application range is wide, the management operation is simple and easy, and the operation is stable.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a lifting aeration device capable of automatically cleaning in sewage treatment.
Background
The aeration tank in the sewage treatment system is a bioreactor for providing the survival of activated sludge, and the aeration equipment is used for filling air into the mixed liquid containing the activated sludge to bring enough oxygen into the mixed liquid so as to generate aerobic metabolic reaction. The aeration equipment not only provides oxygen for the mixed liquid, but also plays a role in stirring to enable the mixed liquid to be in a suspension state. Thus, the organic matter, oxygen and the microorganisms in the activated sludge in the mixed liquid can be subjected to sufficient mass transfer and reaction.
The design of the aeration system and the quality of the working condition determine the energy consumption and the treatment effect of the activated sludge process. Most of the traditional aeration equipment belongs to blast aeration, and aeration is carried out by fixing an aerator at the bottom of a pool, and the conventional aeration equipment is very easy to cause the failure of an aeration element. A further complication is that when maintenance or replacement is required, the plant must be shut down for production without drainage and the aeration tank emptied. This affects the production of the enterprise, and thus the profitability of the enterprise, as an irrevocable project. At present, improved liftable aeration equipment exists in the market, but the situation that the aeration cannot be realized due to blockage of the aerator in long-term use still exists. At the moment, the equipment is replaced and modified, and even though the equipment can be lifted, the engineering quantity is still huge under the condition that the aeration tank is full of water, and the manpower, material resources and the precious time of a production enterprise are consumed.
Disclosure of Invention
The invention aims to provide a lifting aeration device capable of automatically cleaning in sewage treatment, which can be quickly installed and automatically cleaned under the condition that a modified water tank is full of water, is convenient for replacing a failed aerator, is convenient to lift and maintain in the later period, and has the advantages of wide application range, simple and easy management and operation and stable operation.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a lifting aeration device capable of automatically cleaning in sewage treatment, which comprises:
the gas distribution system comprises a gas inlet main pipe, a gas inlet main pipe and a gas distribution main pipe, wherein a gas inlet main valve and a slag outlet valve are respectively arranged at two ends of the gas inlet main pipe;
the first end of the gas distribution pipe is connected with the gas distribution branch flange;
the air inlet end of the air distribution converter is connected with the second end flange of the air distribution pipe;
and the air inlet end of the aerator is connected with the air outlet end flange of the air distribution converter.
Preferably, the air distribution converter is H-shaped, four end portions of the air distribution converter are four air outlet ends, the center of the air distribution converter is an air inlet end, and the four aerators are respectively mounted at the four air outlet ends of the air distribution converter.
Preferably, the number of the air distribution branches is six.
Preferably, the aerator comprises an ABS aerator pipe and an Ethylene Propylene Diene Monomer (EPDM) rubber coating layer sleeved outside the ABS aerator pipe, wherein a plurality of air outlets are uniformly distributed on the ABS aerator pipe, and a plurality of micropores are uniformly distributed on the EPDM rubber coating layer.
Preferably, the diameter of the air outlet is 5-6mm, and the diameter of the micropore is less than 10 μm.
Preferably, the gas distribution branch is in sealing connection with the gas distribution pipe through a carbon steel flange, a first stainless steel flange, a first fastener and a gasket, the carbon steel flange is fixedly connected with the gas distribution branch, the first stainless steel flange is fixedly connected with the first end of the gas distribution pipe, the gasket is located between the carbon steel flange and the first stainless steel flange, and the carbon steel flange is fixedly connected with the first stainless steel flange through the first fastener.
Preferably, the gasket is a rubber gasket or a PTFE gasket.
Preferably, the material of the gas distribution pipe is 304 stainless steel or 316L stainless steel.
Preferably, the air inlet end of the air distribution converter is provided with a flange structure, the second end of the air distribution pipe is fixedly connected with a second stainless steel flange, and the second stainless steel flange is fixedly connected with the flange structure of the air inlet end of the air distribution converter through a second fastener.
Compared with the prior art, the invention has the following technical effects:
the air in the air inlet main pipe can be replaced through water injection, so that the overall water displacement is reduced, the buoyancy is reduced, the device quickly sinks to the bottom, and the installation plan is completed under the condition that the pool does not need to be cleaned. The valve at the air inlet end of the air inlet main pipe adjusts the air inflow to realize the automatic cleaning and pollution discharge of the aeration equipment. Under the condition that the improved water tank is full of water, the aeration device can be simply, conveniently and quickly installed, the blockage of the micropores of the aerator can be automatically cleaned, the aeration of single-group faults can be conveniently promoted and maintained in the later period, the application range is wide, the management operation is simple and easy, and the operation is stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a self-cleaning liftable aerator for sewage treatment according to the present invention;
FIG. 2 is a schematic view of the connection between the aerator and the air distribution converter;
description of reference numerals: 1. a main intake valve; 2. a water injection port valve; 3. a carbon steel flange; 4. a gas distribution converter; 5. an aerator; 6. a slag outlet valve; 7. a main air inlet pipe; 8. a gas distribution pipe; 9. and an ethylene propylene diene monomer rubber coating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a lifting aeration device capable of automatically cleaning in sewage treatment, which can be quickly installed and automatically cleaned under the condition that a modified water tank is full of water, is convenient for replacing a failed aerator, is convenient to lift and maintain in the later period, and has the advantages of wide application range, simple and easy management and operation and stable operation.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the present embodiment provides a lifting aerator for automatic cleaning in sewage treatment, which comprises an air inlet main pipe 7, an air distribution pipe 8, an air distribution converter 4, and an aerator 5.
Wherein, the both ends of the main pipe 7 that admits air are equipped with main valve 1 and slag notch valve 6 of admitting air respectively, are equipped with water injection branch road and distribution branch road on the main pipe 7 that admits air, are equipped with water filling port valve 2 on the water injection branch road. Gas enters the main gas inlet pipe 7 from the end of the main gas inlet valve 1 and is discharged out of the main gas inlet pipe 7 from the gas distribution branch. After the water filling port valve 2 at the water filling port is opened, water flows into the air inlet main pipe 7 from the water filling port, and water can be quickly replaced into air in the air inlet main pipe 7, so that the whole aeration device can quickly sink into the bottom of the pool, and the installation efficiency is improved. The first end of the gas distribution pipe 8 is connected with a flange of the gas distribution branch, the gas inlet end of the gas distribution converter 4 is connected with a flange of the second end of the gas distribution pipe 8, and the gas inlet end of the aerator 5 is connected with a flange of the gas outlet end of the gas distribution converter 4. The air distribution converter 4 is H-shaped, four end parts of the air distribution converter 4 are four air outlet ends, the central position of the air distribution converter 4 is an air inlet end, and the four aerators 5 are respectively arranged at the four air outlet ends of the air distribution converter 4. The aerator 5 is a cylindrical structure with one open end, and the open end of the aerator is fixedly connected with the air outlet end of the air distribution converter 4.
When in use, the air inlet quantity of the whole device can be adjusted by adjusting the air inlet main valve 1. The biochemical aeration amount is 10-12m in normal use3And h, the gas sequentially passes through the gas inlet main pipe 7, the gas distribution pipe 8, the gas distribution converter 4 and the aerator 5. The aeration rate is 18-20m during cleaning operation3The micropores clogged by the aerator 5 can be cleaned by increasing the aeration amount. The air distribution pipe 8, the air distribution converter 4, the aerator 5 and the like are independent parts and are convenient to replace.
Specifically, in this embodiment, the number of the air distribution branches is six, and those skilled in the art may select other numbers according to actual needs.
More specifically, the aerator 5 of the present embodiment includes an ABS aeration pipe and an epdm coating layer 9 covering the ABS aeration pipe. A plurality of air outlets are uniformly distributed on the ABS aeration pipe, and a plurality of micropores are uniformly distributed on the ethylene propylene diene monomer rubber coating layer 9. The gas is divided into a plurality of micro bubbles through the micropores on the ethylene propylene diene monomer rubber coating layer 9, so that the contact area of the gas and the sewage is increased, and the utilization rate of the oxygen is improved. In this embodiment, the diameter of the air outlet is 5-6mm, and the diameter of the micro-hole is smaller than 10 μm, and those skilled in the art can select the diameters of the air outlet and the micro-hole according to the requirement.
The flange connection is a common connection mode in the field, and in the embodiment, the gas distribution branch and the gas distribution pipe 8 are in sealed connection through a carbon steel flange 3, a first stainless steel flange, a first fastener and a gasket. The carbon steel flange 3 is fixedly connected with the gas distribution branch, and the first stainless steel flange is fixedly connected with the first end of the gas distribution pipe 8. The gasket is positioned between the carbon steel flange 3 and the first stainless steel flange and plays a role in sealing. The carbon steel flange 3 is fixedly connected with the first stainless steel flange through a first fastener. The gasket is a rubber gasket or a PTFE gasket. The material of the gas distribution pipe 8 is 304 stainless steel or 316L stainless steel. The air inlet end of the air distribution converter 4 is of a flange structure, and the flange structure is located at the air inlet end of the air distribution converter. The second end and the second stainless steel flange fixed connection of gas distribution pipe 8, the second stainless steel flange passes through second fastener fixed connection with the flange structure of gas distribution converter 4 inlet end, can select the gasket as required. The type of the fastener can be a screw or a bolt-nut assembly, etc., and can be selected by those skilled in the art according to actual needs.
In the embodiment, the models of the carbon steel flange 3, the first stainless steel flange, the gas distribution pipe 8 and the second stainless steel flange are DN50-DN100, DN32, DN32 and DN20-DN32 respectively, and the ABS aeration pipe has the size of
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A self-cleaning liftable aeration device in sewage treatment, which is characterized by comprising:
the gas distribution system comprises a gas inlet main pipe, a gas inlet main pipe and a gas distribution main pipe, wherein a gas inlet main valve and a slag outlet valve are respectively arranged at two ends of the gas inlet main pipe;
the first end of the gas distribution pipe is connected with the gas distribution branch flange;
the air inlet end of the air distribution converter is connected with the second end flange of the air distribution pipe;
and the air inlet end of the aerator is connected with the air outlet end flange of the air distribution converter.
2. The self-cleaning liftable aerator apparatus for sewage treatment according to claim 1, wherein the distribution converter is H-shaped, four ends of the distribution converter are four air outlets, a center of the distribution converter is an air inlet, and four aerators are respectively mounted on the four air outlets of the distribution converter.
3. The self-cleaning liftable aerator apparatus for sewage treatment according to claim 2, wherein the number of said distribution branches is six.
4. The automatic cleaning and lifting aerator for sewage treatment according to claim 3, wherein the aerator comprises an ABS aerator pipe and an Ethylene Propylene Diene Monomer (EPDM) coating layer sleeved outside the ABS aerator pipe, a plurality of air outlets are uniformly distributed on the ABS aerator pipe, and a plurality of micropores are uniformly distributed on the EPDM coating layer.
5. The self-cleaning liftable aerator apparatus for sewage treatment according to claim 4, wherein the diameter of said air outlet is 5-6mm, and the diameter of said micro-holes is less than 10 μm.
6. The self-cleaning liftable aerator device in sewage treatment according to claim 5, wherein the gas distribution branch is hermetically connected with the gas distribution pipe through a carbon steel flange, a first stainless steel flange, a first fastener and a gasket, the carbon steel flange is fixedly connected with the gas distribution branch, the first stainless steel flange is fixedly connected with the first end of the gas distribution pipe, the gasket is positioned between the carbon steel flange and the first stainless steel flange, and the carbon steel flange is fixedly connected with the first stainless steel flange through the first fastener.
7. A self-cleaning liftable aeration device in wastewater treatment according to claim 6, wherein said gasket is a rubber gasket or a PTFE gasket.
8. The self-cleaning liftable aerator apparatus for sewage treatment according to claim 7, wherein said air distribution pipes are made of 304 stainless steel or 316L stainless steel.
9. The self-cleaning liftable aerator device in sewage treatment according to claim 8, wherein the air distribution converter has a flanged structure at the air inlet end, the second end of the air distribution pipe is fixedly connected with a second stainless steel flange, and the second stainless steel flange is fixedly connected with the flanged structure at the air inlet end of the air distribution converter through a second fastening member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218480.8A CN110790403A (en) | 2019-12-03 | 2019-12-03 | Self-cleaning can promote aeration equipment among sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218480.8A CN110790403A (en) | 2019-12-03 | 2019-12-03 | Self-cleaning can promote aeration equipment among sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110790403A true CN110790403A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911218480.8A Pending CN110790403A (en) | 2019-12-03 | 2019-12-03 | Self-cleaning can promote aeration equipment among sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN110790403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850882A (en) * | 2021-01-06 | 2021-05-28 | 南京东鸿连环环境技术有限公司 | Industrial wastewater nitration device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523758Y (en) * | 2002-01-22 | 2002-12-04 | 余振东 | Liftable pipe style micro-porous aerator |
| CN101659475A (en) * | 2009-07-10 | 2010-03-03 | 广州市新之地环保产业有限公司 | Lifting type aerating system |
| CN203200070U (en) * | 2012-11-20 | 2013-09-18 | 长业环保集团有限公司 | Aerator |
| CN106045078A (en) * | 2016-06-30 | 2016-10-26 | 北京中大立信环境技术有限责任公司 | Non-dismounted liftable micropore aeration system |
| CN108413250A (en) * | 2018-02-06 | 2018-08-17 | 西安建筑科技大学 | A kind of pipe-line system in water pumping aerator installation process and laying and construction method |
| CN208429896U (en) * | 2018-06-01 | 2019-01-25 | 乌海青石化学有限公司 | A kind of spiral-flow aeration air lift sludge reflux pump |
| CN208594084U (en) * | 2018-06-29 | 2019-03-12 | 天津凯英科技发展股份有限公司 | One kind can promote aerator for municipal sewage plant transformation and Industrial Waste Water Treatments |
| CN211311048U (en) * | 2019-12-03 | 2020-08-21 | 苏州苏沃特环境科技有限公司 | Self-cleaning can promote aeration equipment among sewage treatment |
-
2019
- 2019-12-03 CN CN201911218480.8A patent/CN110790403A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523758Y (en) * | 2002-01-22 | 2002-12-04 | 余振东 | Liftable pipe style micro-porous aerator |
| CN101659475A (en) * | 2009-07-10 | 2010-03-03 | 广州市新之地环保产业有限公司 | Lifting type aerating system |
| CN203200070U (en) * | 2012-11-20 | 2013-09-18 | 长业环保集团有限公司 | Aerator |
| CN106045078A (en) * | 2016-06-30 | 2016-10-26 | 北京中大立信环境技术有限责任公司 | Non-dismounted liftable micropore aeration system |
| CN108413250A (en) * | 2018-02-06 | 2018-08-17 | 西安建筑科技大学 | A kind of pipe-line system in water pumping aerator installation process and laying and construction method |
| CN208429896U (en) * | 2018-06-01 | 2019-01-25 | 乌海青石化学有限公司 | A kind of spiral-flow aeration air lift sludge reflux pump |
| CN208594084U (en) * | 2018-06-29 | 2019-03-12 | 天津凯英科技发展股份有限公司 | One kind can promote aerator for municipal sewage plant transformation and Industrial Waste Water Treatments |
| CN211311048U (en) * | 2019-12-03 | 2020-08-21 | 苏州苏沃特环境科技有限公司 | Self-cleaning can promote aeration equipment among sewage treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850882A (en) * | 2021-01-06 | 2021-05-28 | 南京东鸿连环环境技术有限公司 | Industrial wastewater nitration device |
| CN112850882B (en) * | 2021-01-06 | 2022-11-04 | 上海衡洁环保科技有限公司 | Industrial wastewater nitration device |
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