CN218058599U - AO-MBBR integration sewage treatment unit - Google Patents
AO-MBBR integration sewage treatment unit Download PDFInfo
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- CN218058599U CN218058599U CN202222702969.6U CN202222702969U CN218058599U CN 218058599 U CN218058599 U CN 218058599U CN 202222702969 U CN202222702969 U CN 202222702969U CN 218058599 U CN218058599 U CN 218058599U
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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
Abstract
The utility model relates to the technical field of water treatment, in particular to AO-MBBR integrated domestic sewage treatment equipment, which comprises a sewage treatment barrel, combined fillers arranged in the sewage treatment barrel, MBBR suspended fillers, dephosphorizing fillers and a micro-electrolysis device, a water pump connected with the sewage treatment barrel and a first aeration device, wherein the sewage treatment barrel comprises a bottom wall, a first side wall formed by upwards extending from the bottom wall, a second side wall surrounding the first side wall and a third side wall surrounding the second side wall; in addition, the micro-electrolysis-microorganism area is connected with the anoxic area through a water pump and a pipeline, so that sewage circularly flows and is repeatedly purified in the anoxic area, the aerobic area, the sludge settling area and the micro-electrolysis-microorganism area, and the purification treatment effect on the sewage is improved.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to AO-MBBR integrated domestic sewage treatment equipment.
Background
Domestic sewage is directly discharged without treatment, and is randomly discharged, so that not only is underground water polluted, but also nitrogen and phosphorus eutrophication of lakes is caused, even black and odorous water bodies are generated, and serious threat is caused to the ecological environment. The common processes of the existing domestic sewage treatment equipment in the process of treating domestic sewage comprise AO, MBR and MBBR, and two or more processes are combined, and the treatment equipment has the problems of large occupied area and poor treatment effect on the domestic sewage; for example, in the prior art with the patent number CN201822020146.9, a multistage AO-MBBR process sewage treatment device with adjustable stages is disclosed, which comprises a plurality of sewage treatment tanks connected in series in a graded manner from left to right, and the device occupies a large area, and the sewage flows from left to right along a single direction to be purified, so that the qualified standard discharge of the sewage quality treatment is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problems and provide an AO-MBBR integrated domestic sewage treatment device which saves the floor space and has better sewage treatment effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an AO-MBBR integrated domestic sewage treatment device comprises a sewage treatment barrel, combined fillers arranged in the sewage treatment barrel, MBBR suspended fillers, dephosphorization fillers and a micro-electrolysis device, a water pump connected with the sewage treatment barrel and a first aeration device, wherein the sewage treatment barrel comprises a bottom wall, a first side wall formed by extending upwards from the bottom wall, a second side wall surrounding the first side wall and a third side wall surrounding the second side wall, the area positioned at the inner side of the first side wall is an anoxic area, the area between the first side wall and the second side wall is an aerobic area, two partition plates are arranged between the second side wall and the third side wall, and the partition plates divide the space between the second side wall and the third side wall into a sludge settling area and a micro-electrolysis-micro-organism area; the anoxic zone and the aerobic zone are filled with combined filler and MBBR suspended filler, the dephosphorization filler is filled in the microelectrolysis-microorganism zone, the microelectrolysis device comprises a power supply, and a positive electrode and a negative electrode which are connected with the power supply through leads, and the positive electrode and the negative electrode are arranged in the microelectrolysis-microorganism zone; the water inlet of the water pump is connected with a main water inlet pipeline, the main water inlet pipeline is communicated with a branch water inlet pipeline, the main water inlet pipeline is connected with a sewage source, one end of the branch water inlet pipeline extends into the micro-electrolysis-microorganism region, the water outlet of the water pump is connected with a water outlet pipeline, and one end of the water outlet pipeline extends into the anoxic region.
Preferably, the first side wall, the second side wall, the third side wall and the bottom wall are integrally formed, the height of the first side wall is lower than that of the second side wall, the second side wall is provided with one or more first water outlets, the aerobic zone and the sludge settling zone are communicated through the first water outlets, and the height of the first water outlets is lower than that of the first side wall; one of the partition boards is provided with one or more second water outlets, the sludge settling area is communicated with the micro-electrolysis-microorganism area through the second water outlets, and the height of each second water outlet is lower than that of the corresponding first water outlet; the third side wall is provided with a water outlet pipe communicated with the micro-electrolysis-microorganism area, and the height of the water outlet pipe is lower than that of the second water outlet.
Preferably, a water quality detector is arranged in the micro-electrolysis-microorganism area.
Preferably, the first aeration device comprises a first fan, a first main aeration pipeline connected with the first fan, a first branch aeration pipeline and a second branch aeration pipeline communicated with the first main aeration pipeline, a first microporous aeration disc connected with the first branch aeration pipeline and a second microporous aeration disc connected with the second branch aeration pipeline, the first microporous aeration disc is arranged in the anoxic zone, and the second microporous aeration disc is arranged in the aerobic zone.
Preferably, the AO-MBBR integrated domestic sewage treatment equipment further comprises a second aeration device, wherein the second aeration device comprises a second fan, a second main aeration pipeline connected with the second fan and a third microporous aeration disc connected with the second main aeration pipeline, and the third microporous aeration disc is arranged in the micro-electrolysis-microorganism area.
Preferably, a sludge return pump is arranged in the sludge settling zone and is communicated with the anoxic zone through a sludge return pipe.
Preferably, a first water inlet valve is arranged on the main water inlet pipeline, and a second water inlet valve is arranged on the branch water inlet pipeline.
Compared with the prior art, the AO-MBBR integrated domestic sewage treatment equipment of the utility model has the advantages that the anoxic zone, the aerobic zone, the sludge settling zone and the micro-electrolysis-microorganism zone are arranged at intervals in the sewage treatment cylinder, so that the whole structure of the equipment is more compact, the occupied area of the equipment is reduced, and the treatment capacity of the equipment on sewage can be increased by the same area; in addition, the micro-electrolysis-microorganism area is connected with the anoxic area through a water pump and a pipeline, so that sewage circularly flows and is repeatedly purified in the anoxic area, the aerobic area, the sludge settling area and the micro-electrolysis-microorganism area, and the purification treatment effect on the sewage is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of an AO-MBBR integrated domestic sewage treatment apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic top view of the wastewater treatment cartridge of FIG. 1;
in the figure: 1. a sewage treatment cartridge; 101. an anoxic zone; 102. an aerobic zone; 103. a sludge settling zone; 104. a microelectrolysis-microorganism zone; 105. a water quality detector; 10. a bottom wall; 11. a first side wall; 12. a second side wall; 121. a first water outlet; 13. a third side wall; 131. a water outlet pipe; 132. a water outlet valve; 14. a partition plate; 142. a second water outlet; 15. a support pillar; 2. a water pump; 21. a main water inlet pipeline; 211. a first water inlet valve; 22. a water outlet pipeline; 23. a water inlet branch pipe; 231. a second water inlet valve; 3. combining fillers; 4. MBBR suspended filler; 5. phosphorus removal filler; 61. a first fan; 62. a first main aeration pipe; 63. a first aeration branch pipe; 631. a first aeration valve; 64. a second aeration branch pipe; 641. a second aeration valve; 65. a first microporous aeration disk; 66. a second microporous aeration disk; 71. a second fan; 72. a second main aeration pipe; 73. a third microporous aeration disc; 81. a power source; 82. an anode electrode; 83. a cathode electrode; 9. a sludge reflux pump; 91. a sludge return pipe.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 and fig. 2, a preferred embodiment of the present invention provides an AO-MBBR integrated domestic sewage treatment apparatus, which comprises a sewage treatment cylinder 1, a water pump 2, a combined filler 3, an MBBR suspended filler 4, a phosphorus removal filler 5, a first aeration device, a second aeration device and a micro-electrolysis device.
The whole cylindric that is of sewage treatment section of thick bamboo 1, including toper diapire 10, the first lateral wall 11 of annular that forms of upwards extending from diapire 10, annular second lateral wall 12 and annular third lateral wall 13, first lateral wall 11, second lateral wall 12 and third lateral wall 13 and diapire 10 integrated into one piece, second lateral wall 12 encircles first lateral wall 11 and sets up, first lateral wall 11 highly is less than the height of second lateral wall 12, third lateral wall 13 encircles the setting of second lateral wall 12, 1 bottom edge of sewage treatment section of thick bamboo is equipped with a plurality of support columns 15 fixed with diapire 10 outer surface connection. The area positioned on the inner side of the first side wall 11 is an anoxic area 101, the area between the first side wall 11 and the second side wall 12 is an aerobic area 102, two partition plates 14 are arranged between the second side wall 12 and the third side wall 13, the partition plates 14 divide the space between the second side wall 12 and the third side wall 13 into a sludge settling area 103 and a microelectrolysis-microorganism area 104, the second side wall 12 is provided with one or more first water outlets 121, the aerobic area 102 is communicated with the sludge settling area 103 through the first water outlets 121, and the height of the first water outlets 121 is lower than that of the first side wall 11; one of the partition plates 14 is provided with one or more second water outlets 142, the second water outlets 142 communicate the sludge settling zone 103 with the micro-electrolysis-microorganism zone 104, and the height of the second water outlets 142 is lower than that of the first water outlets 121; the third side wall 13 is provided with a water outlet pipe 131 communicated with the micro-electrolysis-microorganism region 104, the height of the water outlet pipe 131 can be set to be lower than that of the second water outlet 142, the domestic sewage overflows by gravity and flows into the aerobic region 102 from the anoxic region 101 along the upper end of the first side wall 11, then overflows from the aerobic region 102 along the first water outlet 121 and flows into the sludge settling region 103, then overflows from the sludge settling region 103 along the second water outlet 142 and flows into the micro-electrolysis-microorganism region 104, and finally the domestic sewage is discharged from the water outlet pipe 131 after being treated; the water outlet pipe 131 is provided with a water outlet valve 132, and the water outlet pipe 131 can be provided with a water pump so as to pump out the purified domestic sewage. The sewage flowing out of the aerobic zone 102 automatically flows into the sludge settling zone 103, a large amount of particles and organic matters are removed through mud-water separation, supernatant is formed in the sludge settling zone 103, and the supernatant automatically flows into the micro-electrolysis-microorganism zone 104 through the second water outlet 142.
A water inlet of the water pump 2 is connected with a main water inlet pipeline 21, the main water inlet pipeline 21 is communicated with a branch water inlet pipeline 23, the main water inlet pipeline 21 is connected with a sewage source, one end of the branch water inlet pipeline 23 extends into the micro-electrolysis-microorganism region 104, a first water inlet valve 211 is arranged on the main water inlet pipeline 21, and a second water inlet valve 231 is arranged on the branch water inlet pipeline 23; the water outlet of the water pump 2 is connected with a water outlet pipeline 22, one end of the water outlet pipeline 22 extends into the anoxic zone 101, and when the water pump 2 works, domestic sewage flows in along the main water inlet pipeline 21 and is pumped into the anoxic zone 101; the first water inlet valve 211 is closed and the second water inlet valve 231 is opened, under the suction action of the water pump 2, the sewage in the micro-electrolysis-microorganism zone 104 flows back to the anoxic zone 101, so that the sewage circularly flows and is repeatedly purified in the anoxic zone 101, the aerobic zone 102, the sludge settling zone 103 and the micro-electrolysis-microorganism zone 104, and the purification treatment effect on the sewage is improved.
Preferably, a water quality detector 105 can be arranged in the micro-electrolysis-microorganism area 104 and used for detecting the quality of the treated domestic sewage, and the quality of the domestic sewage is detected to be qualified and then is discharged from the water outlet pipe 131; if the quality of the domestic sewage does not meet the discharge standard through detection, the sewage is circulated and flows in the anoxic zone 101, the aerobic zone 102, the sludge settling zone 103 and the micro-electrolysis-microorganism zone 104 through the water pump 2 and is repeatedly purified until the quality of the domestic sewage is qualified through detection and then is discharged from the water outlet pipe 131.
Preferably, the water pump 2, the water quality detector 105, the sludge reflux pump 9, the first fan 61, the second fan 71, the power supply 81 and the valves are electrically connected with a PLC controller so as to automatically control the treatment process of the domestic sewage.
The anoxic zone 101 and the aerobic zone 102 are both filled with a combined filler 3 and an MBBR suspended filler 4, and a dephosphorization filler 5 is filled in the microelectrolysis-microorganism zone 104. The phosphorus removal filler 5 takes fly ash, gypsum, phosphogypsum, cement, quicklime and the like as raw materials, and a large amount of uniform and fine pores are formed by high-temperature steam. The combined filler 3 provides a carrier for microorganism propagation, is arranged on the filler frame, and has the advantages of difficult blockage, rapid film formation, large specific surface area and stable treatment effect. Under the combined action of the combined filler 3 in the anoxic zone 101 and the denitrifying bacteria and anaerobic ammonium oxidizing bacteria adsorbed on the MBBR suspended filler 4, part of ammonia nitrogen in the domestic sewage and nitrite and nitrate in the reflux liquid in the sludge settling zone 103 are reduced into nitrogen. Biological films are formed on the surfaces and the insides of the combined filler 3 and the MBBR suspended filler 4 in the aerobic zone 102, ammonia nitrogen in the sewage in the aerobic zone 102 is oxidized into nitrite under the action of microorganisms, and phosphorus accumulating bacteria absorb phosphorus in the sewage to enter bacteria under the aerobic condition, so that the effect of removing phosphorus is achieved.
The microelectrolytic device comprises a power supply 81, and an anode electrode 82 and a cathode electrode 83 which are connected with the power supply 81 through leads, wherein the anode electrode 82 and the cathode electrode 83 are arranged in the microelectrolytic-microorganism area 104. The electrode material can be conductive materials such as iron, aluminum, graphite or titanium-based coatings, organic matters, nitrogen and phosphorus in the domestic sewage are further removed under the combined action of the phosphorus removal filler 5, microorganisms and micro-electrolysis, the removal of the organic matters in the domestic sewage mainly depends on biological contact oxidation and electrolytic oxidation, pollutants in the domestic sewage are degraded under the dual actions of biology and electrochemistry, and the two materials can form a lower ORP (oxidation-reduction potential) at the cathode 83 to promote the growth and denitrification of autotrophic denitrifying bacteria and reduce nitrate nitrogen into nitrogen by combining the two materials; the anode 82 can generate different electrochemical reactions according to different electrode materials, so that the effects of electric flocculation, electrocatalytic oxidation and the like are generated, the microbial fixed growth of a biological film and the higher redox capability of micro-electrolysis are fully combined, and efficient mass transfer between the two is realized, and pollutants can be effectively treated.
The first aeration device comprises a first fan 61, a first main aeration pipeline 62 connected with the first fan 61, a first aeration branch pipeline 63 and a second aeration branch pipeline 64 communicated with the first main aeration pipeline 62, a first microporous aeration disc 65 connected with the first aeration branch pipeline 63 and a second microporous aeration disc 66 connected with the second aeration branch pipeline 64, wherein a first aeration valve 631 is arranged on the first aeration branch pipeline 63, and a second aeration valve 641 is arranged on the second aeration branch pipeline 64. The first microporous aeration disk 65 is disposed in the anoxic zone 101 and the second microporous aeration disk 66 is disposed in the aerobic zone 102. The aeration back flushing is carried out in the anoxic zone 101 through the first aeration branch pipeline 63 and the first microporous aeration disc 65, and the aeration can achieve the back flushing effect on the filler; the aerobic zone 102 is aerated for a long time through the second aeration branch pipe 64 and the second microporous aeration disc 66, the MBBR suspended filler 4 flows in the aerobic zone 102 in a rolling manner during aeration, the fluidization state of the MBBR suspended filler 4 is maintained, and the sewage is contacted with the MBBR suspended filler 4 flowing in the aeration manner.
The second aeration device comprises a second fan 71, a second main aeration pipe 72 connected with the second fan 71 and a third microporous aeration disc 73 connected with the second main aeration pipe 72, the third microporous aeration disc 73 is arranged in the micro-electrolysis-microorganism area 104, and the flow speed of the supernatant in the micro-electrolysis-microorganism area 104 can be increased through the aeration of the second aeration device.
Be equipped with mud backwash pump 9 in the sludge settling zone 103, mud backwash pump 9 passes through mud return pipe 91 and anoxic zone 101 intercommunication for take out anoxic zone 101 with the muddy water mixed liquid in the sludge settling zone 103, make the nitrite in the muddy water mixed liquid flow back to anoxic zone 101 and be used for the denitrification.
Compared with the prior art, the AO-MBBR integrated domestic sewage treatment equipment of the utility model has the advantages that the anoxic zone 101, the aerobic zone 102, the sludge settling zone 103 and the micro-electrolysis-microorganism zone 104 are arranged in the sewage treatment cylinder 1 at intervals, so that the whole structure of the equipment is more compact, the occupied area of the equipment is reduced, and the sewage treatment capacity of the equipment can be increased by the same area; in addition, the micro-electrolysis-microorganism zone 104 is connected with the anoxic zone 101 through the water pump 2 and a pipeline, so that sewage circularly flows and is repeatedly purified in the anoxic zone 101, the aerobic zone 102, the sludge settling zone 103 and the micro-electrolysis-microorganism zone 104, and the purification treatment effect on the sewage is improved.
The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an AO-MBBR integration sewage treatment unit, includes a sewage treatment section of thick bamboo, locates combination filler, MBBR suspended filler, dephosphorization filler and little electrolytic device in the sewage treatment section of thick bamboo, the water pump and the first aeration equipment of being connected with a sewage treatment section of thick bamboo, its characterized in that: the sewage treatment cylinder comprises a bottom wall, a first side wall, a second side wall and a third side wall, wherein the first side wall, the second side wall and the third side wall are formed by extending upwards from the bottom wall; the anoxic zone and the aerobic zone are filled with combined filler and MBBR suspended filler, the dephosphorization filler is filled in the microelectrolysis-microorganism zone, the microelectrolysis device comprises a power supply, and a positive electrode and a negative electrode which are connected with the power supply through leads, and the positive electrode and the negative electrode are arranged in the microelectrolysis-microorganism zone; the water inlet of the water pump is connected with a main water inlet pipeline, the main water inlet pipeline is communicated with a branch water inlet pipeline, the main water inlet pipeline is connected with a sewage source, one end of the branch water inlet pipeline extends into the micro-electrolysis-microorganism region, the water outlet of the water pump is connected with a water outlet pipeline, and one end of the water outlet pipeline extends into the anoxic region.
2. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 1, wherein: the first side wall, the second side wall, the third side wall and the bottom wall are integrally formed, the height of the first side wall is lower than that of the second side wall, one or more first water outlets are formed in the second side wall, the aerobic zone and the sludge settling zone are communicated through the first water outlets, and the height of the first water outlets is lower than that of the first side wall; one of the partition boards is provided with one or more second water outlets, the sludge settling area is communicated with the micro-electrolysis-microorganism area through the second water outlets, and the height of each second water outlet is lower than that of the corresponding first water outlet; the third side wall is provided with a water outlet pipe communicated with the micro-electrolysis-microorganism area, and the height of the water outlet pipe is set to be lower than that of the second water outlet.
3. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 1, wherein: and a water quality detector is arranged in the micro-electrolysis-microorganism area.
4. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 1, wherein: the first aeration device comprises a first fan, a first main aeration pipeline connected with the first fan, a first branch aeration pipeline and a second branch aeration pipeline communicated with the first main aeration pipeline, a first microporous aeration disc connected with the first branch aeration pipeline and a second microporous aeration disc connected with the second branch aeration pipeline, wherein the first microporous aeration disc is arranged in the anoxic zone, and the second microporous aeration disc is arranged in the aerobic zone.
5. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 4, wherein: the micro-electrolysis-microorganism culture device is characterized by further comprising a second aeration device, wherein the second aeration device comprises a second fan, a second main aeration pipeline connected with the second fan and a third micro-pore aeration disc connected with the second main aeration pipeline, and the third micro-pore aeration disc is arranged in the micro-electrolysis-microorganism region.
6. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 5, wherein: and a sludge reflux pump is arranged in the sludge settling zone and is communicated with the anoxic zone through a sludge reflux pipe.
7. The AO-MBBR integrated sanitary sewage treatment apparatus according to claim 6, wherein: the main water inlet pipeline is provided with a first water inlet valve, and the branch water inlet pipeline is provided with a second water inlet valve.
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| CN202222702969.6U CN218058599U (en) | 2022-10-14 | 2022-10-14 | AO-MBBR integration sewage treatment unit |
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| CN202222702969.6U CN218058599U (en) | 2022-10-14 | 2022-10-14 | AO-MBBR integration sewage treatment unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117049707A (en) * | 2023-07-26 | 2023-11-14 | 山西资环科技股份有限公司 | Integrated cultivation wastewater treatment reactor and application thereof in cultivation wastewater treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117049707A (en) * | 2023-07-26 | 2023-11-14 | 山西资环科技股份有限公司 | Integrated cultivation wastewater treatment reactor and application thereof in cultivation wastewater treatment |
| CN117049707B (en) * | 2023-07-26 | 2024-03-26 | 山西资环科技股份有限公司 | Integrated cultivation wastewater treatment reactor and application thereof in cultivation wastewater treatment |
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