CN211445417U - Oxidation ditch + MBBR's integrated sewage treatment device - Google Patents
Oxidation ditch + MBBR's integrated sewage treatment device Download PDFInfo
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- CN211445417U CN211445417U CN201921980663.9U CN201921980663U CN211445417U CN 211445417 U CN211445417 U CN 211445417U CN 201921980663 U CN201921980663 U CN 201921980663U CN 211445417 U CN211445417 U CN 211445417U
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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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Abstract
The utility model discloses an integrated sewage treatment device of an oxidation ditch and MBBR, which comprises a horizontal shell, a water inlet and a water outlet which are respectively arranged on the horizontal shell, the horizontal shell is provided with a main clapboard which is divided into at least three cabins in the length direction, an A/O area is communicated with a settling area through a pipeline, an overflow port/a water passing port is arranged on the main clapboard between the settling area and a water outlet area, the integrated sewage treatment device is characterized in that at least one cabin is an A/O area which is sequentially arranged from left to right, at least one cabin is the settling area, at least one cabin is the water outlet area, a dividing plate is arranged in the A/O area, the A/O area is divided into an anoxic pond and an aerobic pond along the length direction of the horizontal shell by the dividing plate, an aeration device is arranged in the aerobic pond, a supporting plate is arranged in the anoxic pond along the length direction of the horizontal shell to divide the, the anaerobic section and the anoxic section form an oxidation ditch circulation channel, and the water inlet is positioned in the anaerobic section of the anoxic tank.
Description
Technical Field
The utility model belongs to the sewage treatment field especially relates to rural sewage treatment field.
Background
The integrated rural sewage treatment equipment in the prior art is mostly made of plastic materials, is low in strength, difficult to transport, install and construct, and high in manpower and material cost, and the existing integrated rural sewage treatment equipment is poor in denitrification effect, and the effluent quality is often too high in total nitrogen content, so that secondary pollution to rivers is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an area is little, and equipment cost is low, and the transportation is convenient, combines together oxidation ditch technology, two heavy pond technologies, fibre membrane filtration technologies, and the rivers impact resistance is strong, and denitrification effect is good, the convenient integrated sewage treatment device of an oxidation ditch + MBBR of later maintenance.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: an integrated sewage treatment device of an oxidation ditch and MBBR comprises a horizontal shell, a water inlet and a water outlet which are respectively arranged on the horizontal shell, the horizontal shell is provided with a main partition board which is divided into at least three cabins in the length direction, an A/O area is communicated with a sedimentation area through a pipeline, an overflow port/water passing port is arranged on the main partition board between the sedimentation area and the water outlet area, the integrated sewage treatment device is characterized in that at least one cabin is an A/O area, at least one cabin is the sedimentation area, at least one cabin is the water outlet area, a partition board is arranged in the A/O area, the A/O area is divided into an anoxic pond and an aerobic pond by the partition board along the length direction of the horizontal shell, the overflow port/water passing port is arranged on the partition board, a horizontal aeration device is arranged in the aerobic pond, a partition board is arranged in the length direction of the shell in, the anaerobic section and the anoxic section form an oxidation ditch circulation channel, and the water inlet is positioned in the anaerobic section of the anoxic tank.
Preferably, the sedimentation zone is divided into a secondary sedimentation tank and a sludge sedimentation tank by a branch partition plate along the length direction of the horizontal shell, a combined pipeline is arranged between the aerobic tank and the secondary sedimentation tank for communication, a water communication device is arranged between the secondary sedimentation tank and the sludge sedimentation tank for communication, and a sludge discharge pipe and a mixed liquid reflux device connected with the anoxic tank are arranged in the sludge sedimentation tank.
Preferably, the water outlet area is provided with a separation plate along the length direction of the horizontal shell, the separation plate divides the water outlet area into a filter tank and an equipment tank, and the filter tank is internally provided with a fiber membrane reactor and a water outlet.
Preferably, the anaerobic section and/or the anoxic section are/is provided with MBBR packing and/or an aeration device and/or a submersible water impeller.
Preferably, a combined pipeline is arranged between the aerobic tank and the secondary sedimentation tank for communication, at least one end of the combined pipeline extends into the aerobic tank, and at least one end of the combined pipeline extends into the middle lower end of the secondary sedimentation tank.
Preferably, the water communication device comprises a connecting pipeline and a sludge pump which are connected with the secondary sedimentation tank and the sludge sedimentation tank.
Preferably, the mixed liquid reflux device is a sludge pump for reflux, one end of the reflux pipe extends into the anoxic tank, and the other end of the reflux pipe extends into the sludge sedimentation tank.
Preferably, the fiber membrane reactor mainly comprises a frame, a plurality of fiber membrane components and a water outlet pipeline, wherein the fiber membrane components comprise a plurality of water outlet supporting pipes, the outer surfaces of the water outlet supporting pipes are wrapped with filter cloth, the water outlet pipeline is connected with a water outlet pipe, and the water outlet pipe extends into the water outlet.
Preferably, an ultraviolet disinfection device is arranged in the water outlet pipe.
Preferably, the horizontal shell structure is a rectangular body, and the material is stainless steel, carbon steel or various synthetic steel materials.
The utility model discloses a theory of operation: the sewage flows in from a water inlet at an anaerobic section for anaerobic treatment, organic matters in the sewage are decomposed, metabolized and digested by anaerobic bacteria, so that the content of the organic matters in the sewage is greatly reduced, then the sewage automatically flows to an anoxic section through a submersible impeller, an aeration device is arranged at the anoxic section for intermittent micro-aeration to form an anoxic reaction, nitrate nitrogen is removed by denitrification, part of BOD is removed simultaneously, MBBR filler is thrown in the anoxic tank to adsorb part of impurities and SS, then the sewage flows into the aerobic tank for aerobic treatment through an overflow port/water passing port arranged on a partition plate between the anoxic tank and the aerobic tank, biological metabolism is carried out to degrade the organic matters, the organic matters are stabilized and innoxious, and the MBBR filler thrown in the aerobic tank continuously rotates and rolls due to continuous aeration in the aerobic tank to form an MBBR fluidized bed effect, then the sewage flows into a secondary sedimentation tank through a pipeline connected with the aerobic tank and the secondary sedimentation tank, the sewage is fully precipitated by an inverted trapezoid structure in a secondary sedimentation tank and filled inclined tube fillers, SS and impurities in the sewage are filtered, a part of precipitated sludge is sucked by a sludge pump and is discharged into a sludge sedimentation tank through a pipeline for further precipitation, a part of sewage flows into a filtering tank through an overflow port/water passing port on a main partition plate adjacent to the secondary sedimentation tank and the filtering tank, a part of deposited sludge in the sludge sedimentation tank is sucked and discharged through a sludge discharge pipe and a sludge pump to prevent clogging, a part of sewage flows back to an anaerobic section in an anoxic tank through a mixed liquid backflow device through the sludge pump to form nitration denitrification reaction and is further treated, the sewage in the filtering tank flows into a water outlet pipe after the SS is adsorbed and filtered by fiber filter cloth, and is discharged or enters the next procedure after being disinfected by an ultraviolet disinfection device in the water outlet pipe.
The utility model has the advantages that:
(1) the utility model discloses a horizontal casing material adopt the steel structure, and intensity is big, and is corrosion-resistant, and production efficiency is high, and transportation, installation, construction are swift, the later maintenance of being convenient for.
(2) The utility model discloses collect multiple processes such as anaerobism, oxygen deficiency, good oxygen, deposit, filtration, disinfection in an organic whole, rural domestic sewage under adaptable various environment, area is littleer, and later stage operation maintenance management is more convenient.
(3) The utility model discloses a mix liquid reflux unit and link to each other sludge sedimentation tank and oxygen deficiency pond, realize nitrifying denitrification reaction, can further nitrogen and phosphorus removal.
(4) The utility model discloses make full use of oxidation ditch technology sewage characteristics of mixing completely, anti impact load ability is strong, can dilute the high concentration pollutant fast to through throwing the MBBR filler, further increase anti impact load ability, moreover, because the oxidation ditch is the circulation formula, the MBBR filler can not be terminal piling up in the AO district, influences the treatment effect.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic view of the structure I-I of fig. 1 according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in figure 1, the integrated sewage treatment equipment of the oxidation ditch and the MBBR comprises a horizontal shell 1, a water inlet 2 and a water outlet 3 which are respectively arranged on the horizontal shell 1, two main partition plates which are arranged on the horizontal shell 1, a first main partition plate 1.1 and a second main partition plate 1.2, a water outlet 1.2.1 arranged on the second main partition plate 1.2 and used for dividing the horizontal shell 1 into three cabins, a first cabin 4 on the left is an A/O area, a second cabin 5 in the middle is a sedimentation area, a third cabin 6 on the right is a water outlet area, the first cabin 4 is provided with a first partition plate 4.1, the first partition plate 4.1 is provided with a water outlet 4.1, the A/O area is divided into an anoxic pond 4.2 and an aerobic pond 4.3 by the first partition plate 4.1 along the length direction of the horizontal shell 1, an aeration device 4.3.1 and an MBBR suspended filler 4.3.2 are arranged in the aerobic pond 4.3, an anoxic pond 4.2 is provided with a first partition plate 4.4.4.2 which is divided into two communicated chambers along the length direction of the horizontal shell 1, an anaerobic section 4.2.1 and an anoxic section 4.2.2 are respectively arranged to form an oxidation ditch circulation channel, a water inlet 2 is positioned at the anaerobic section 4.2.1 of the anoxic tank 4.2, an MBBR suspended filler 4.3.2 is arranged in the anaerobic section 4.2.1, an aeration device 4.3.1, the MBBR suspended filler 4.3.2 and a submersible impeller 4.3 are arranged in the anoxic section 4.2.2, a second partition plate 5.1 is arranged along the length direction of a horizontal shell 1 to divide a settling zone into a secondary settling tank 5.2 and a sludge settling tank 5.3, an inclined pipe filler 9 is filled in the secondary settling tank 5.2, a combined pipeline 5.3 is arranged between the aerobic tank 4.3 and the secondary settling tank 5.2 to be communicated, a water communication device 5.4 is arranged between the secondary settling tank 5.2 and the sludge settling tank 5.3 to be communicated, the water communication device 5.4 comprises a connecting pipeline 5.4.1 for connecting the secondary settling tank 5.2 with the sludge settling tank 5.3, a sludge pump and a sludge reflux device comprising a sludge reflux pipe and a sludge reflux pump 5.4 reflux device for connecting the sludge settling tank 5.2 with the anaerobic sludge pump, and a sludge reflux pump for connecting the sludge reflux device comprising a sludge reflux pump and a sludge reflux pump for connecting the sludge reflux pump for, the third cabin 6 is provided with a second partition plate 6.1 along the length direction of the horizontal shell 1, the second partition plate 6.1 divides the water outlet area into a filter tank 6.2 and an equipment tank 6.3, a fiber membrane reactor 8 and a water outlet 3 are arranged in the filter tank 6.2, the fiber membrane reactor 8 comprises a frame 8.1, a plurality of fiber membrane modules 8.2 and a water outlet pipeline, the fiber membrane modules 8.2 comprise a plurality of water outlet support pipes 8.3, the outer surfaces of the water outlet support pipes 8.3 are wrapped with filter cloth 8.4, the water outlet pipeline is connected with a water outlet pipe 8.5, the water outlet pipe 8.5 extends into the water outlet 3, and an ultraviolet disinfection device 10 is arranged in the water outlet pipe 8.
Claims (10)
1. An integrated sewage treatment device of an oxidation ditch and MBBR comprises a horizontal shell, a water inlet and a water outlet which are respectively arranged on the horizontal shell, the horizontal shell is provided with a main partition board which is divided into at least three cabins in the length direction, an A/O area is communicated with a sedimentation area through a pipeline, an overflow port/water passing port is arranged on the main partition board between the sedimentation area and the water outlet area, the integrated sewage treatment device is characterized in that at least one cabin is an A/O area, at least one cabin is the sedimentation area, at least one cabin is the water outlet area, a partition board is arranged in the A/O area, the A/O area is divided into an anoxic pond and an aerobic pond by the partition board along the length direction of the horizontal shell, the overflow port/water passing port is arranged on the partition board, a horizontal aeration device is arranged in the aerobic pond, a partition board is arranged in the length direction of the shell in, the anaerobic section and the anoxic section form an oxidation ditch circulation channel, and the water inlet is positioned in the anaerobic section of the anoxic tank.
2. The integrated sewage treatment equipment of the oxidation ditch and the MBBR of claim 1, wherein the sedimentation zone is divided into a secondary sedimentation tank and a sludge sedimentation tank by a partition plate along the length direction of the horizontal shell, the aerobic tank is communicated with the secondary sedimentation tank by a combined pipeline, the secondary sedimentation tank is communicated with the sludge sedimentation tank by a water communication device, and the sludge sedimentation tank is internally provided with a sludge discharge pipe and a mixed liquid reflux device connected with the anoxic tank.
3. The integrated sewage treatment equipment of oxidation ditch + MBBR of claim 1, wherein the effluent zone is equipped with the division board along horizontal casing length direction department, and the division board divides the effluent zone into filtering ponds and equipment pond, is equipped with fibre membrane reactor and delivery port in the filtering ponds.
4. The integrated sewage treatment equipment of oxidation ditch + MBBR of claim 1, wherein, MBBR packing and/or aeration equipment and/or dive impeller is equipped with in anaerobic section and/or oxygen deficiency section.
5. The integrated sewage treatment equipment of the oxidation ditch and the MBBR of claim 1, wherein a combined pipeline is arranged between the aerobic tank and the secondary sedimentation tank, at least one end of the combined pipeline extends into the aerobic tank, and at least one end of the combined pipeline extends into the middle lower end of the secondary sedimentation tank.
6. The integrated sewage treatment plant of the oxidation ditch + MBBR according to claim 1, wherein the water communication device comprises a connecting pipeline and a sludge pump for connecting the secondary sedimentation tank and the sludge sedimentation tank.
7. The integrated sewage treatment equipment of the oxidation ditch and the MBBR of claim 1, wherein the mixed liquid reflux device is a sludge pump reflux, one end of the reflux pipe extends into the anoxic tank, and the other end of the reflux pipe extends into the sludge sedimentation tank.
8. The integrated sewage treatment equipment of oxidation ditch + MBBR of claim 1, wherein, the fiber membrane reactor mainly includes frame, a plurality of fiber membrane module and outlet pipe, the fiber membrane module includes a plurality of outlet support pipes, the outer surface of outlet support pipe wraps up the filter cloth, the outlet pipe links to each other with the outlet pipe, the outlet pipe stretches into the delivery port.
9. The integrated sewage treatment equipment of oxidation ditch + MBBR of claim 8, wherein, the outlet pipe is provided with an ultraviolet disinfection device.
10. The integrated sewage treatment equipment of oxidation ditch + MBBR of claim 1, wherein, horizontal shell structure is the cuboid, and the material is stainless steel or carbon steel or various synthetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980663.9U CN211445417U (en) | 2019-11-17 | 2019-11-17 | Oxidation ditch + MBBR's integrated sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980663.9U CN211445417U (en) | 2019-11-17 | 2019-11-17 | Oxidation ditch + MBBR's integrated sewage treatment device |
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| Publication Number | Publication Date |
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| CN211445417U true CN211445417U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921980663.9U Active CN211445417U (en) | 2019-11-17 | 2019-11-17 | Oxidation ditch + MBBR's integrated sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902941A (en) * | 2019-11-17 | 2020-03-24 | 凌志环保股份有限公司 | Oxidation ditch + MBBR's integrated sewage treatment device |
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- 2019-11-17 CN CN201921980663.9U patent/CN211445417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902941A (en) * | 2019-11-17 | 2020-03-24 | 凌志环保股份有限公司 | Oxidation ditch + MBBR's integrated sewage treatment device |
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