CN213680019U - Biochemical reaction tank and membrane bioreactor thereof - Google Patents
Biochemical reaction tank and membrane bioreactor thereof Download PDFInfo
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- CN213680019U CN213680019U CN202020849331.3U CN202020849331U CN213680019U CN 213680019 U CN213680019 U CN 213680019U CN 202020849331 U CN202020849331 U CN 202020849331U CN 213680019 U CN213680019 U CN 213680019U
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- tank
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- baffle
- aerobic
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- 239000012528 membrane Substances 0.000 title claims abstract description 69
- 238000005842 biochemical reaction Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000011001 backwashing Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 19
- 239000001301 oxygen Substances 0.000 abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 abstract description 19
- 206010021143 Hypoxia Diseases 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 4
- 230000001079 digestive effect Effects 0.000 abstract description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a biochemical reaction pond, including the membrane cisterna, the outside of membrane cisterna is provided with the effluent water sump, and a plurality of good oxygen ponds and oxygen deficiency pond are separated into through a plurality of detachable baffles to the effluent water sump, and good oxygen pond and oxygen deficiency pond set up in turn and communicate each other, good oxygen pond and membrane cisterna intercommunication. The utility model also discloses a membrane bioreactor including above-mentioned biochemical reaction pond, former water tank, intake pump and inlet tube connect gradually, and the inlet tube links to each other with the water inlet in first good oxygen pond, produces the water flowmeter, produces the water pump and produce the water collecting pit and connect gradually, produces the water flowmeter and passes through the MBR manometer and be connected with the membrane module, is provided with the overflow valve on producing the water collecting pit, and aeration equipment is connected with gas flowmeter and fan in proper order. The utility model provides a pair of biochemical reaction pond and membrane bioreactor thereof can avoid the direct backward flow of high DO mud and digestive juice in the good oxygen district to the anaerobic zone, and to a great extent improves the treatment effeciency and the effect of sewage to the fortune dimension cost is lower.
Description
Technical Field
The utility model relates to a biochemical reaction tank and a membrane bioreactor thereof, belonging to the technical field of sewage treatment.
Background
The Membrane Bioreactor (MBR) mainly comprises a biochemical reaction tank, a Membrane component and a water inlet and outlet device, and has the advantages of small floor area, simple equipment, high solid-liquid separation efficiency, easy upgrading and reconstruction and the like. With the development of science and technology, the technology of membrane manufacturing is more advanced, so that the application field of MBR in sewage treatment is wider and wider, and especially the application and research of the membrane bioreactor in aspects of denitrification and dephosphorization of sewage are increasing year by year.
The traditional MBR equipment only has a single aerobic/anoxic tank, so that the nitrogen and phosphorus removal efficiency is low and the effect is poor under the determined hydraulic retention time, and the sludge mixed circulating liquid in the anoxic zone in the single aerobic/anoxic tank comes from the aerobic tank, so that the anoxic environment is destroyed, and the high-concentration dissolved oxygen in the reflux liquid can interfere and impact the process of converting nitrite and nitrate into nitrogen by denitrifying bacteria. In addition, an anaerobic tank is specially arranged for removing phosphorus in the traditional process, so that the operation cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the shortcoming of inefficiency, poor effect that traditional nitrogen and phosphorus removal equipment exists among the prior art, provide one kind and can avoid the direct backward flow of high DO mud and digestive juice in the aerobic zone to the anaerobic zone, to a great extent improves the treatment effeciency and the effect of sewage to the lower biochemical reaction pond of fortune dimension cost and membrane bioreactor thereof.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a biochemical reaction tank is characterized in that: including the membrane cisterna, the outside of membrane cisterna is provided with the effluent water sump, the effluent water sump passes through a plurality of detachable baffles and separates into a plurality of good oxygen ponds and oxygen deficiency pond, good oxygen pond and oxygen deficiency pond set up in turn and communicate each other, good oxygen pond with the membrane cisterna intercommunication.
The aerobic tank and the anoxic tank are enclosed to form a square, and the membrane tank is positioned in the center of the square.
The baffle comprises a first baffle and a second baffle, and the first baffle and the second baffle are respectively positioned at the water inlet and the water outlet of the anoxic pond.
The first baffle is provided with a plurality of first overflow holes, and the first overflow holes are located at the bottom of the first baffle.
And a plurality of second overflow holes are formed in the second baffle, the second overflow holes are positioned in the middle upper part of the second baffle, and the height of each second overflow hole is slightly higher than that of each first overflow hole.
The aerobic tank comprises a first aerobic tank and a plurality of second aerobic tanks, the first aerobic tank is provided with a water inlet of the sewage tank, one side of the second aerobic tank, which is close to the membrane tank, is provided with a partition board, the partition board is provided with a plurality of third overflow holes, and the height of each third overflow hole is slightly higher than that of each second overflow hole.
Aeration devices are arranged at the bottom of the aerobic tank and the bottom of the membrane tank, membrane modules are placed in the membrane tank, and a sludge discharge port is formed in the bottom of the membrane tank.
The utility model provides a membrane bioreactor, includes biochemical reaction pond, former water tank, intake pump and inlet tube connect gradually, the inlet tube with the water inlet in first good oxygen pond links to each other, produces the water flowmeter, produces the water pump and produces the water collecting pit and connect gradually, produce the water flowmeter pass through the MBR manometer with the membrane module is connected, be provided with the overflow valve on producing the water collecting pit, aeration equipment is connected with gas flowmeter and fan in proper order.
The membrane module is connected with a backwashing flow meter and a backwashing pump in sequence, and the backwashing flow meter and the backwashing pump are connected with the water production flow meter and the water production pump in parallel on the water production collecting pool.
The utility model has the advantages that:
(1) the utility model discloses a biochemical reaction pond is provided with the overflow hole of different position heights on first baffle, second baffle and baffle, be favorable to the sewage through the good oxygen pond of establishing ties in turn, the oxygen deficiency pond makes nitrify and the denitrification goes on in turn to can carry out getting rid of stage by stage many times of pollutant along the direction of rivers, and reduce the impact load of this orientation next reaction tank gradually, when guaranteeing interior pollutant degradation fungus activity and efficiency, can realize thorough denitrogenation.
(2) The utility model discloses pour into sewage into the first good oxygen pond in the biochemical reaction pond, this first good oxygen pond has still acted as the effect of buffering pond, and the concentration of pollutant in the backward flow direction is the gradient and descends, when sewage flows in the membrane cisterna through the overflow hole three on the baffle upper portion between the good oxygen pond of second and the membrane cisterna, the concentration of its pollutant has become very low, pass the biological degradation of active sludge thing in the membrane cisterna again at last, make its processing to sewage can reach the emission requirement of national regulation completely.
(3) The utility model discloses a biochemical reaction pond separates into a plurality of good oxygen pond, oxygen deficiency pond and membrane cisterna through a plurality of detachable baffle and baffle, connects convenient free dismouting through the draw-in groove between baffle or the baffle, can be according to what change of intaking speciality and handling capacity good, the size in oxygen deficiency pond and can upgrade the transformation, improved the flexibility of equipment operation. And the lower engineering operation cost is ensured on the premise of not additionally increasing the occupied area and the design difficulty.
(4) The membrane bioreactor of the utility model can carry out efficient denitrification and dephosphorization. By adding the filler into the anoxic tank, an anaerobic microenvironment can be generated in the anoxic tank, the phosphorus accumulating bacteria release phosphate in the anaerobic environment, then aerobic phosphorus uptake is performed in the circulating reflux process, the operation flow of phosphorus removal is similar to the denitrification flow, and the amount of the filler added can be determined according to the requirement so as to strengthen the anaerobic environment.
(5) Because the biochemical reaction pond includes a plurality of good oxygen ponds and oxygen deficiency pond, when the pollutant concentration in the pending waste water is not too high or the handling capacity is not big, the utility model discloses a membrane bioreactor accessible PLC controls, realizes continuous automatic operation.
Drawings
FIG. 1 is a schematic top view of a biochemical reaction tank according to the present invention;
FIG. 2 is a schematic view of the positions of the overflow holes in the first baffle (a), the second baffle (b) and the partition (c);
FIG. 3 is a schematic view of the membrane bioreactor of the present invention.
The reference numbers in the figures are as follows: 1-raw water tank; 2-a water inlet pump; 3-water inlet pipe; 4-an overflow valve; 5-a membrane module; 6-biochemical reaction tank; 7-an aeration device; 8-a gas flow meter; 9-a fan; 10-MBR pressure gauge; 11-a water production flow meter; 12-backwash flow meter; 13-a water production pump; 14-backwash pump; 15-produced water collecting pool; 61-a membrane pool; 62-a first aerobic tank; 63-an anoxic tank; 64-a first baffle; 65-a second baffle; 66-a separator; 641-first overflow aperture; 651-second overflow aperture; 661-third overflow hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in figure 1, the utility model discloses a biochemical reaction tank, including membrane cisterna 61 and the effluent water sump of setting in the membrane cisterna 61 outside, four good oxygen ponds and four oxygen deficiency ponds 63 are separated into with the effluent water sump through a plurality of detachable baffles to the effluent water sump, and good oxygen pond and oxygen deficiency pond 63 set up in turn and communicate each other to enclose to close and form squarely, good oxygen pond and membrane cisterna 61 intercommunication. The baffles comprise a first baffle 64 and a second baffle 65, and the first baffle 64 and the second baffle 65 are respectively positioned at the water inlet and the water outlet of the anoxic tank 63.
As shown in fig. 2, the first baffle plate 64 is provided with a plurality of first overflow holes 641, and the first overflow holes 641 are located at the bottom of the first baffle plate 64. The second baffle 65 is provided with a plurality of second overflow holes 651, and the second overflow holes 651 are located at the middle upper portion of the second baffle 65 and are higher than the first overflow holes 641.
As shown in fig. 1, the aerobic tank comprises a first aerobic tank 62 and three second aerobic tanks 67, the first aerobic tank 62 is provided with a water inlet of the sewage tank, one side of the second aerobic tank 67, which is close to the membrane tank 61, is provided with a partition plate 66, the partition plate 66 is provided with a plurality of third overflow holes 661, and the height of the third overflow holes 661 is slightly higher than that of the second overflow holes 651.
Further, aeration devices 7 are arranged at the bottoms of the aerobic tank and the membrane tank 61; the membrane module 5 is arranged in the membrane pool 61, and the bottom of the membrane pool is also provided with a sludge discharge port.
As shown in fig. 3, the utility model discloses a membrane bioreactor, which comprises a raw water tank 1, a water inlet pump 2, a water inlet pipe 3, a biochemical reaction tank 6, a produced water flowmeter 11, a produced water pump 13 and a produced water collecting tank 15 which are connected in sequence, wherein an overflow valve 4 is arranged on the produced water collecting tank 15; the aeration device 7 at the bottom of the membrane tank 61 in the biochemical reaction tank 6 is connected with a gas flowmeter 8 and a fan 9 in sequence.
Further, a water production flow meter 11 is connected with the membrane module 5 in the biochemical reaction tank 6 through an MBR pressure gauge 10; the water inlet pipe 3 is connected with the water inlet of the first aerobic tank 62.
The membrane component 5 is also sequentially connected with a backwashing flow meter 12 and a backwashing pump 14, and the backwashing flow meter 12 and the backwashing pump 14 are connected with a water production flow meter 11 and a water production pump 13 in parallel to a water production collecting pool 15. The membrane bioreactor of the utility model also sets a group of backwashing devices on the membrane component 5, which is connected to the water production collecting tank 15 with the backwashing flow meter 12 and the backwashing pump 14 in turn for the membrane component 5, and can backwash the membrane component in the membrane bioreactor, and can effectively relieve the membrane pollution formed in the operation process.
The working principle is as follows: when sewage treatment is carried out, sewage in the original water tank 1 passes through the water inlet pump 2 and enters the first aerobic pool 62 of the biochemical reaction pool 6 through the water inlet pipe 3, the sewage can gradually flow into the second aerobic pools 67 and the anoxic pools 63 through the overflow holes on the baffle plates, pollutants in the sewage are degraded for multiple times in stages in the process, a part of sewage continuously flows back in each sewage pool in a circulating mode along with continuous filling of the sewage, finally the sewage in the second aerobic pools 67 enters the membrane pool 61 through the third overflow holes 661 on the partition plates 66 and is further degraded through the membrane pool 61, the concentration of the pollutants is enabled to be low, then the water filtered out through the membrane component 5 enters the produced water collecting pool 15 through the produced water pump 13, and finally the collected treated water can be discharged up to the standard.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. A biochemical reaction tank is characterized in that: comprises a membrane tank (61), a sewage tank is arranged on the outer side of the membrane tank (61), the sewage tank is divided into a plurality of aerobic tanks and anoxic tanks (63) by a plurality of detachable baffles, the aerobic tanks and the anoxic tanks (63) are alternately arranged and communicated with each other, the aerobic tanks are communicated with the membrane tank (61), the baffle comprises a first baffle (64) and a second baffle (65), the first baffle (64) and the second baffle (65) are respectively positioned at the water inlet and the water outlet of the anoxic pond (63), a plurality of first overflow holes (641) are arranged on the first baffle plate (64), the first overflow holes (641) are positioned at the bottom of the first baffle plate (64), a plurality of second overflow holes (651) are arranged on the second baffle (65), the second overflow holes (651) are positioned at the middle upper part of the second baffle (65), and the height of the second overflow hole (651) is higher than that of the first overflow hole (641).
2. The biochemical reaction tank according to claim 1, wherein: the aerobic tank and the anoxic tank (63) are enclosed to form a square, and the membrane tank (61) is positioned in the center of the square.
3. The biochemical reaction tank according to claim 1, wherein: the aerobic tank comprises a first aerobic tank (62) and a plurality of second aerobic tanks (67), wherein the first aerobic tank (62) is provided with a water inlet of the sewage tank, one side of each second aerobic tank (67) close to the membrane tank (61) is provided with a partition plate (66), the partition plate (66) is provided with a plurality of third overflow holes (661), and the third overflow holes (661) are higher than the second overflow holes (651).
4. The biochemical reaction tank according to claim 3, wherein: the aeration devices (7) are arranged at the bottoms of the aerobic tank and the membrane tank (61), the membrane component (5) is placed in the membrane tank (61), and a sludge discharge port is arranged at the bottom of the membrane tank (61).
5. A membrane bioreactor, comprising: the biochemical reaction tank (6) comprises the biochemical reaction tank (6) as claimed in claim 4, wherein the raw water tank (1), the water inlet pump (2) and the water inlet pipe (3) are sequentially connected, the water inlet pipe (3) is connected with the water inlet of the first aerobic tank (62), the produced water flow meter (11), the produced water pump (13) and the produced water collecting tank (15) are sequentially connected, the produced water flow meter (11) is connected with the membrane component (5) through an MBR pressure gauge (10), the produced water collecting tank (15) is provided with an overflow valve (4), and the aeration device (7) is sequentially connected with a gas flow meter (8) and a fan (9).
6. A membrane bioreactor according to claim 5, wherein: the membrane module (5) is sequentially connected with a backwashing flow meter (12) and a backwashing pump (14), and the backwashing flow meter (12) and the backwashing pump (14) are connected with the water production flow meter (11) and the water production pump (13) in parallel to the water production collecting pool (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849331.3U CN213680019U (en) | 2020-05-20 | 2020-05-20 | Biochemical reaction tank and membrane bioreactor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849331.3U CN213680019U (en) | 2020-05-20 | 2020-05-20 | Biochemical reaction tank and membrane bioreactor thereof |
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| Publication Number | Publication Date |
|---|---|
| CN213680019U true CN213680019U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020849331.3U Active CN213680019U (en) | 2020-05-20 | 2020-05-20 | Biochemical reaction tank and membrane bioreactor thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804518A (en) * | 2022-04-18 | 2022-07-29 | 安徽华骐环保科技股份有限公司 | One-stop rural decentralized sewage treatment equipment and treatment method thereof |
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2020
- 2020-05-20 CN CN202020849331.3U patent/CN213680019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804518A (en) * | 2022-04-18 | 2022-07-29 | 安徽华骐环保科技股份有限公司 | One-stop rural decentralized sewage treatment equipment and treatment method thereof |
| CN114804518B (en) * | 2022-04-18 | 2024-02-23 | 安徽华骐环保科技股份有限公司 | One-stop rural decentralized sewage treatment equipment and treatment method thereof |
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Effective date of registration: 20240429 Address after: Room 102, Building 8, No. 900 Chenfeng Road, Jintan District, Changzhou City, Jiangsu Province, 213299 Patentee after: CHANGZHOU JINHE NEW ENERGY TECHNOLOGY CO.,LTD. Country or region after: China Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University Country or region before: China |