CN210711193U - Multistage drop aeration type biomembrane reaction device for domestic sewage treatment - Google Patents
Multistage drop aeration type biomembrane reaction device for domestic sewage treatment Download PDFInfo
- Publication number
- CN210711193U CN210711193U CN201921765842.0U CN201921765842U CN210711193U CN 210711193 U CN210711193 U CN 210711193U CN 201921765842 U CN201921765842 U CN 201921765842U CN 210711193 U CN210711193 U CN 210711193U
- Authority
- CN
- China
- Prior art keywords
- aeration type
- reaction tower
- type unit
- drop aeration
- unit reaction
- 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.)
- Active
Links
Images
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
Abstract
A multistage drop aeration type biomembrane reaction device for domestic sewage treatment comprises a water storage pool, wherein the water storage pool is divided into a primary sedimentation tank, an oil separation tank, an adjusting tank, a secondary sedimentation tank and a disinfection tank; the side wall of the preliminary sedimentation tank is provided with a sewage inlet pipe, a multi-stage drop aeration type unit reaction tower is arranged above the regulating tank, each stage of drop aeration type unit reaction tower is sequentially arranged in a high-low mode, each stage of drop aeration type unit reaction tower is filled with biofilm carrier filler and provided with a drainage plate, the drainage plate is coated with a visible light photocatalytic coating, the bottom of the regulating tank is provided with a lifting water pump, a water outlet pipe is connected with a water outlet pipe, an outlet of the water outlet pipe is positioned above the drop aeration type unit reaction tower at the highest position, and a purified water outlet pipe is arranged on the side wall of the disinfection tank. The device does not need blast aeration, thereby reducing energy consumption and investment cost; the occupied area is small, the construction requirement is low, and the maintenance is easy; dead corners and short flow problems can be avoided.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to multistage drop aeration type biomembrane reaction unit for domestic sewage treatment.
Background
In most office buildings, industrial and mining enterprises, government residences, scenic spots, parks, schools, nursing homes and other places in China, the water produced by the places is large in water volume, simple in components, relatively low in concentration and large in change coefficient. As long as a proper process method and a proper technical means are selected, the sewage of the type can be well treated, has the possibility of recycling, and meets the condition of sewage resource treatment.
At present, if the domestic sewage adopts the conventional A2Although the conventional processes such as the/O process, the SBR process and the contact oxidation process can effectively treat domestic sewage, the following problems are caused:
(1) the energy consumption and investment cost are high: the traditional process adopted for the domestic sewage is usually an aerobic biological method, and pollutants are degraded and removed by using the metabolism of microorganisms under the aerobic condition; however, the aerobic condition needs to be oxygenated by using a blower, the blower needs to consume a large amount of electricity consumption for oxygenation, which accounts for about 40-50% of the total operation and maintenance cost of the sewage treatment plant, and complicated air pipelines, control valves, air distribution systems and the like need to be laid, so that the problems of high investment cost, high construction requirement, difficult maintenance and the like exist;
(2) the occupied area is large: the integral retention time of the traditional sewage biochemical treatment system is about 12 hours, and in order to realize good treatment effect of sewage, each sewage treatment unit is required to be constructed to be large enough to ensure the effect of sewage biochemical treatment;
(3) the defects of dead angles, short flow and the like exist: because the traditional sewage treatment process improves the mass transfer effect in a sewage treatment system by oxygenating and stirring or mechanically stirring, the problems of dead angles, short flow and the like often exist in the actual engineering.
Disclosure of Invention
The utility model provides a multistage drop aeration type biomembrane reaction device for domestic sewage treatment, which does not need blast aeration, thereby reducing energy consumption and investment cost; the occupied area is small, the construction requirement is low, and the maintenance is easy; dead corners and short flow problems can be avoided.
In order to achieve the purpose, the multistage drop aeration type biomembrane reaction device for domestic sewage treatment comprises a water storage tank, wherein the water storage tank is sequentially divided into a primary sedimentation tank, an oil separation tank, an adjusting tank, a secondary sedimentation tank and a disinfection tank through a partition plate I, a partition plate II, a partition plate III and a partition plate IV; a sewage inlet pipe is arranged on the side wall of the preliminary sedimentation tank, a plurality of stages of drop aeration type unit reaction towers are arranged above the regulating tank, biofilm carrier filler is filled in each stage of drop aeration type unit reaction tower, each stage of drop aeration type unit reaction tower is sequentially arranged in a high-low mode, a drainage plate is arranged on each stage of drop aeration type unit reaction tower, one end of the drainage plate is connected with the upper surface of the previous stage of drop aeration type unit reaction tower, the other end of the drainage plate is connected with the upper surface of the next stage of drop aeration type unit reaction tower, a visible light photocatalytic coating is coated on the drainage plate, the bottom end of the drainage plate arranged on the lowest drop aeration type unit reaction tower is arranged in a hanging mode and is positioned above the secondary sedimentation tank, a lifting water pump is arranged at the bottom of the regulating tank, the water outlet of the lifting water pump is connected with a water outlet pipe, the outlet of the water outlet pipe is positioned above the highest drop aeration type unit reaction tower, the side wall of the disinfection tank is provided with a purified water outlet pipe, and the sewage inlet pipe and the purified water outlet pipe are both provided with valves.
Furthermore, a medicine adding barrel for placing disinfector is arranged at the through hole of the disinfection tank.
Furthermore, the bottom of each stage of the drop aeration type unit reaction tower is provided with a fixed support frame.
Furthermore, a drainage plate is vertically arranged on each stage of the drop aeration type unit reaction tower.
Preferably, the multistage drop aeration type unit reaction tower has three stages, namely a first drop aeration type unit reaction tower, a second drop aeration type unit reaction tower and a third drop aeration type unit reaction tower, wherein the first drop aeration type unit reaction tower, the second drop aeration type unit reaction tower and the third drop aeration type unit reaction tower are sequentially arranged from top to bottom, the bottom end of a drainage plate arranged on the third drop aeration type unit reaction tower is arranged in a hanging manner and is positioned above the secondary sedimentation tank, and the outlet of the water outlet pipe is positioned above the first drop aeration type unit reaction tower.
Compared with the prior art, the utility model adopts the multistage drop aeration type unit reaction tower for repeated circulation purification, and in the process that the domestic sewage falls from the upper stage drop aeration type unit reaction tower to the lower stage drop aeration type unit reaction tower, the formed water curtain can be fully contacted with the air, thereby achieving the aeration effect and improving the water quality purification effect, and simultaneously, the reaction tower stage number can be designed according to the concentration of pollutants in the sewage to regulate and control the oxygenation time and realize the standard discharge; the device can conveniently handle and purify domestic sewage, and area is little, construction requirement is low, it is easy to maintain, investment cost is low, the energy consumption is low, the noise abatement, and is both economical and pleasing to the eye, can effectively get rid of the pollutant in the sewage, also need not the blast air aeration, has avoided the problem of dead angle and short current. In addition, the utility model organically integrates water purification and natural ecological environment, and improves the acceptance of people to the sewage biochemical treatment system.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises partition plates I and 2, partition plates II and 3, partition plates III and 4, partition plates IV and 5, a primary sedimentation tank, a secondary sedimentation tank, an oil separation tank, a regulating tank, 8, a secondary sedimentation tank, 9, a disinfection tank, 10, a sewage inlet pipe, 11, a multistage drop aeration type unit reaction tower, 11-1 of a first-stage drop aeration type unit reaction tower, 11-2 of a second-stage drop aeration type unit reaction tower, 11-3 of a third-stage drop aeration type unit reaction tower, 12, a drainage plate, 13, a lifting water pump, 14, a water outlet pipe, 15, a purified water outlet pipe, 16, a dosing barrel, 17 and a fixed support frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The multistage drop aeration type biomembrane reaction device for domestic sewage treatment comprises a water storage tank, wherein the water storage tank is sequentially divided into a preliminary sedimentation tank 5, an oil separation tank 6, an adjusting tank 7, a secondary sedimentation tank 8 and a disinfection tank 9 through a partition plate I1, a partition plate II 2, a partition plate III 3 and a partition plate IV 4, through holes are formed in the bottom of the partition plate II 2, the upper parts of the partition plate I1 and the partition plate IV 4, and matched sealing covers are arranged on the through holes;
a sewage inlet pipe 10 is arranged on the side wall of the preliminary sedimentation tank 5, a multi-stage drop aeration type unit reaction tower 11 is arranged above the regulating tank 7, biofilm carrier filler is filled in each stage of drop aeration type unit reaction tower, each stage of drop aeration type unit reaction tower is sequentially arranged in a high-low mode, a drainage plate 12 is arranged on each stage of drop aeration type unit reaction tower, one end of the drainage plate 12 is connected with the upper surface of the previous stage of drop aeration type unit reaction tower, the other end of the drainage plate 12 is connected with the upper surface of the next stage of drop aeration type unit reaction tower, a visible light photocatalytic coating is coated on the drainage plate 12, the bottom end of the drainage plate 12 arranged on the lowest stage of drop aeration type unit reaction tower is arranged in a hanging mode and is positioned above the secondary sedimentation tank 8, a lifting water pump 13 is arranged at the bottom of the regulating tank 7, and a water outlet of the lifting water pump 13 is connected with a water outlet pipe 14, the outlet of the water outlet pipe 14 is positioned above the drop aeration type unit reaction tower at the highest position, the side wall of the disinfection tank 9 is provided with a purified water outlet pipe 15, and the sewage inlet pipe 10 and the purified water outlet pipe 15 are both provided with valves.
In order to conveniently add the disinfectant into the dosing barrel, a dosing barrel 16 for placing the disinfectant is arranged at the through hole of the disinfection tank 9.
In order to ensure that the falling water aeration type unit reaction tower of each stage is more stable in fixation, the bottom of the falling water aeration type unit reaction tower of each stage is provided with a fixed support frame 17.
In order to improve the speed of sewage purification, a drainage plate 12 is vertically arranged on each stage of the drop aeration type unit reaction tower.
The utility model can design the reaction tower stages according to the concentration of pollutants in sewage, in the embodiment, the multistage drop aeration type unit reaction tower 11 has three stages, namely a first stage drop aeration type unit reaction tower 11-1, a second stage drop aeration type unit reaction tower 11-2, a third stage drop aeration type unit reaction tower 11-3 and a first stage drop aeration type unit reaction tower 11-1, the second stage drop aeration type unit reaction tower 11-2 and the third stage drop aeration type unit reaction tower 11-3 are arranged from top to bottom in sequence, the bottom end of a drainage plate 12 arranged on the third stage drop aeration type unit reaction tower 11-3 is suspended and positioned above the secondary sedimentation tank 8, and the outlet of a water outlet pipe 14 is positioned above the first stage drop aeration type unit reaction tower 11-1.
The utility model discloses a theory of operation: after the domestic sewage is subjected to preliminary sedimentation in the preliminary sedimentation tank 5, part of suspended matters, particulate matters and colloidal substances are removed, then a sealing cover on the partition plate I1 is opened, the upper-layer sewage enters the oil separation tank 6 to complete oil-water separation, oil substances in the sewage are removed, and interference in a subsequent biochemical treatment unit is prevented; then, a sealing cover on the partition plate II 2 is opened, sewage on the lower layer of the oil separation tank 6 enters the regulating tank 7 and is lifted to each stage of drop aeration type unit reaction tower through a lifting water pump 13, biofilm carriers with different characteristics are put into each stage of drop aeration type unit reaction tower, a large number of biofilms are formed on the surfaces of the biofilm carriers, and when the sewage flows through each stage of drop aeration type unit reaction tower, the sewage is in contact with the biofilms to perform multiple actions such as biodegradation, biological adsorption and the like, so that soluble pollutants and biological pollutants in the sewage are removed, and the purification process of the sewage is realized; in order to improve the purification effect of the biological membrane, the visible light photolysis effect of the sewage is realized by considering that the sewage is fully contacted with the visible light in all stages of reaction towers and the water dropping process, and the drainage plate 12 through which the sewage flows is coated with a visible light photocatalytic coating to improve the physicochemical treatment effect of the sewage in an auxiliary way, thereby greatly improving the biodegradability of the sewage. The effluent purified by the multistage drop aeration type unit reaction tower 11 enters a secondary sedimentation tank 8 for mud-water separation again, and finally enters a disinfection tank 9 for final disinfection treatment of sewage.
As sewage can circularly flow between the regulating tank 7 and each stage of the drop aeration type unit reaction tower, the mass transfer effect is improved, and the problems of dead corners and short flow are reduced. The multistage drop aeration type unit reaction tower 11 is a core unit of the biomembrane reaction device, and effluent of the multistage drop aeration type unit reaction tower 11 enters a secondary sedimentation tank 8 for mud-water separation, so that a water quality clarification process is realized. The effluent of the secondary sedimentation tank 8 finally enters a disinfection tank 9 for disinfection to remove toxic and harmful microorganisms, pathogenic microorganisms and the like in the sewage.
Claims (5)
1. A multistage drop aeration type biomembrane reaction device for domestic sewage treatment is characterized by comprising a water storage tank, wherein the water storage tank is sequentially divided into a primary sedimentation tank (5), an oil separation tank (6), an adjusting tank (7), a secondary sedimentation tank (8) and a disinfection tank (9) through a partition plate I (1), a partition plate II (2), a partition plate III (3) and a partition plate IV (4), through holes are formed in the bottom of the partition plate II (2), the upper parts of the partition plate I (1) and the partition plate IV (4), and matched sealing covers are arranged on the through holes;
a sewage inlet pipe (10) is arranged on the side wall of the primary sedimentation tank (5), a multi-stage drop aeration type unit reaction tower (11) is arranged above the regulating tank (7), biofilm carrier filler is filled in each stage drop aeration type unit reaction tower, each stage drop aeration type unit reaction tower is sequentially arranged in a high-low mode, a drainage plate (12) is arranged on each stage drop aeration type unit reaction tower, one end of the drainage plate (12) is connected with the upper surface of the previous stage drop aeration type unit reaction tower, the other end of the drainage plate is connected with the upper surface of the next stage drop aeration type unit reaction tower, a visible light photocatalytic coating is coated on the drainage plate (12), the bottom end of the drainage plate (12) arranged on the lowest stage drop aeration type unit reaction tower is arranged in a hanging mode and is positioned above the secondary sedimentation tank (8), a lifting water pump (13) is arranged at the bottom of the regulating tank (7), a water outlet of the lift water pump (13) is connected with a water outlet pipe (14), an outlet of the water outlet pipe (14) is positioned above the drop aeration type unit reaction tower at the highest position, a purified water outlet pipe (15) is arranged on the side wall of the disinfection tank (9), and valves are arranged on the sewage inlet pipe (10) and the purified water outlet pipe (15).
2. The multi-stage drop aeration type biofilm reactor for domestic sewage treatment according to claim 1, wherein a drug adding barrel (16) for placing a disinfectant is arranged at the through hole of the disinfection tank (9).
3. The multi-stage drop aeration type biofilm reactor for domestic sewage treatment according to claim 1 or 2, wherein a fixed support frame (17) is arranged at the bottom of each stage of the drop aeration type unit reaction tower.
4. The multi-stage drop-aeration biofilm reactor for domestic sewage treatment according to claim 1 or 2, wherein a drainage plate (12) is vertically arranged on each stage of the drop-aeration unit reaction tower.
5. The multi-stage drop aeration type biofilm reactor for domestic sewage treatment according to claim 1 or 2, wherein the multi-stage drop aeration type unit reaction tower (11) has three stages, namely a first stage drop aeration type unit reaction tower (11-1), a second stage drop aeration type unit reaction tower (11-2) and a third stage drop aeration type unit reaction tower (11-3), wherein the first stage drop aeration type unit reaction tower (11-1), the second stage drop aeration type unit reaction tower (11-2) and the third stage drop aeration type unit reaction tower (11-3) are arranged in a high-low manner from top to bottom, and the bottom end of a drainage plate (12) arranged on the third stage drop aeration type unit reaction tower (11-3) is arranged in a suspended manner and is positioned above the secondary sedimentation tank (8), the outlet of the water outlet pipe (14) is positioned above the first-stage drop aeration type unit reaction tower (11-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765842.0U CN210711193U (en) | 2019-10-21 | 2019-10-21 | Multistage drop aeration type biomembrane reaction device for domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765842.0U CN210711193U (en) | 2019-10-21 | 2019-10-21 | Multistage drop aeration type biomembrane reaction device for domestic sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210711193U true CN210711193U (en) | 2020-06-09 |
Family
ID=70930326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921765842.0U Active CN210711193U (en) | 2019-10-21 | 2019-10-21 | Multistage drop aeration type biomembrane reaction device for domestic sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210711193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830978A (en) * | 2021-11-09 | 2021-12-24 | 池州学院 | Drop aeration biological contact method for treating rural domestic sewage |
-
2019
- 2019-10-21 CN CN201921765842.0U patent/CN210711193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830978A (en) * | 2021-11-09 | 2021-12-24 | 池州学院 | Drop aeration biological contact method for treating rural domestic sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100513336C (en) | Water treatment new combined technique with high purification function | |
| CN111925077A (en) | Distributed domestic sewage integrated treatment system and process | |
| CN210711193U (en) | Multistage drop aeration type biomembrane reaction device for domestic sewage treatment | |
| CN211595374U (en) | Sewage treatment equipment combining suspended biological membrane with deep filtration | |
| CN210764843U (en) | Rural sewage treatment plant | |
| CN218931874U (en) | Full-quantity treatment equipment for leachate of garbage transfer station | |
| CN213865851U (en) | Domestic sewage treatment station | |
| CN203602404U (en) | Membrane bioreactor device based on parallel pollutant treatment | |
| CN212640237U (en) | Double-membrane integrated sewage treatment equipment | |
| CN210237246U (en) | Integrated membrane bioreactor | |
| CN112142260A (en) | Treatment system and method for decentralized sewage | |
| CN210620386U (en) | Water curtain oxygenation type egg-shaped biological membrane reaction device for domestic sewage treatment | |
| CN103601298B (en) | Membrane bioreactor technology as well as device thereof based on pollutant parallel processing | |
| CN110668659A (en) | Integrated sewage purification equipment | |
| CN201809248U (en) | Sequencing mud-membrane symbiosis integrated water treatment equipment | |
| CN2481705Y (en) | Non-power domestic sewage intensified treating device | |
| CN101570360A (en) | Oil refining sewage advanced treatment bioreactor | |
| CN210620530U (en) | Drop aeration tower reactor for biochemical treatment of domestic sewage | |
| CN205420073U (en) | Biological filter disc of shallow layer formula and filtration system who constitutes thereof | |
| CN204111419U (en) | Biological bed treatment unit under a kind of 360 degree of rotating waters | |
| CN104261562B (en) | Biological bed treatment unit and method under a kind of 360 degree of rotating waters | |
| CN213141745U (en) | Sludge circulation decrement system | |
| CN218435287U (en) | Sewage treatment equipment combining horizontal pipe sedimentation integrated system and efficient filtration | |
| CN211170322U (en) | Rural sewage denitrification processing apparatus of multistage AO technology of integration container formula | |
| CN209024377U (en) | A kind of water outlet of sanitary sewage reaches III class processing system of surface water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |