CN217709185U - Recycling system of aerobic effluent - Google Patents
Recycling system of aerobic effluent Download PDFInfo
- Publication number
- CN217709185U CN217709185U CN202222178996.8U CN202222178996U CN217709185U CN 217709185 U CN217709185 U CN 217709185U CN 202222178996 U CN202222178996 U CN 202222178996U CN 217709185 U CN217709185 U CN 217709185U
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- tank
- water
- aerobic
- communicated
- mbr
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- 238000004064 recycling Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims abstract description 13
- 238000005273 aeration Methods 0.000 claims abstract description 11
- 239000008399 tap water Substances 0.000 claims abstract description 8
- 235000020679 tap water Nutrition 0.000 claims abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 19
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 239000010865 sewage Substances 0.000 abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000855 fermentation Methods 0.000 abstract description 8
- 230000004151 fermentation Effects 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229920002472 Starch Polymers 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000019698 starch Nutrition 0.000 abstract description 4
- 239000008107 starch Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension 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
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- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model belongs to the ethanol production field provides a recycling system of good oxygen play water, include: the device comprises an aerobic tank and an aerobic sedimentation tank communicated with the aerobic tank, wherein the aerobic sedimentation tank is communicated with an MBR tank, an MBR membrane group is arranged in the MBR tank, the MBR membrane group is communicated with a water collecting tank, the water collecting tank is communicated with a first water inlet of a water mixing tank through an ultraviolet sterilizer, and a second water inlet of the water mixing tank is communicated with a tap water source; wherein, an aeration mechanism is arranged at the lower side of the MBR membrane group in the MBR tank. The utility model discloses an aerobic effluent's recycling system has not only stabilized fermentation efficiency, has stabilized reducing sugar, total sugar, has kept the starch yield, has reduced sewage advanced treatment's cost, has reduced the emission of sewage, simultaneously, has still reduced the running water use amount, practices thrift the use cost of running water.
Description
Technical Field
The utility model relates to an ethanol production field especially relates to a recycling system of good oxygen play water.
Background
When fuel ethanol is produced, sewage is generated, and the sewage treatment process is generally as follows: refined waste mash enters a high-temperature anaerobic tank, after 15 days of fermentation, COD is reduced to 4000mg/L from 30000mg/L, anaerobic effluent is subjected to heat exchange and precipitation, sludge is used as an organic fertilizer, the precipitated effluent enters a hydrolysis acidification tank, the effluent of the hydrolysis acidification tank enters a first-level aerobic tank, the effluent of the first-level aerobic tank is subjected to precipitation, the effluent enters a second-level aerobic tank, the second-level aerobic effluent is subjected to precipitation, the effluent enters an air flotation machine, and the effluent is treated and discharged after reaching the standard.
The discharge after the ethanol production sewage treatment not only wastes a large amount of water resources, but also increases the burden of urban sewage treatment; therefore, the utility model discloses an aerobic effluent's recycling system through the aerobic effluent recycling in with above-mentioned sewage treatment process one-level aerobic tank has not only stabilized fermentation efficiency, stabilizes the reducing sugar, and total sugar keeps the starch yield, simultaneously, has reduced sewage advanced treatment's cost, has reduced the emission of sewage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a recycling system of good oxygen effluent through the good oxygen effluent retrieval and utilization with sewage treatment, has not only stabilized fermentation efficiency, stabilizes the reducing sugar, and total sugar keeps the starch yield, simultaneously, has reduced sewage advanced treatment's cost, has reduced the emission of sewage.
The utility model provides a technical scheme as follows: an aerobic effluent recycling system, comprising: the device comprises an aerobic tank, an aerobic sedimentation tank communicated with the aerobic tank, an MBR tank communicated with the aerobic sedimentation tank, an MBR membrane group arranged in the MBR tank, a water collecting tank communicated with a first water inlet of a water mixing tank through an ultraviolet sterilizer, and a second water inlet of the water mixing tank communicated with a tap water source; wherein, an aeration mechanism is arranged at the lower side of the MBR membrane group in the MBR tank.
Furthermore, a disinfection cavity is arranged at the water inlet in the water collecting tank, and a plurality of ultraviolet lamps are arranged at the top of the disinfection cavity.
Furthermore, a plurality of drain holes are arranged on the cavity wall of the disinfection cavity.
Further, the water outlet of the MBR membrane group is communicated with a suction pump through a first pipeline, and the suction pump is communicated with the water inlet of the water collecting tank.
Furthermore, a water pump is arranged in the water collecting tank and is communicated with the water inlet of the ultraviolet sterilizer through a second pipeline.
Furthermore, a water outlet of the ultraviolet sterilizer is communicated with the first water inlet of the water mixing tank through a third pipeline, and an electromagnetic valve is arranged on the third pipeline.
Furthermore, a water outlet of the water mixing tank is communicated with the crushing workshop.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a recycling system of good oxygen play water through setting up the MBR pond, utilizes the MBR membrane group to go out the water filtration with good oxygen, detaches a large amount of suspensions in the good oxygen play water.
(2) The utility model discloses an aerobic effluent's recycling system through setting up the ultraviolet disinfector, makes the aerobic effluent after the filtration through ultraviolet sterilization, solves the contamination problem that aerobic effluent long-term operation probably leads to.
(3) The utility model discloses an aerobic effluent's recycling system has not only stabilized fermentation efficiency, has stabilized reducing sugar, total sugar, has kept the starch yield, has reduced sewage advanced treatment's cost, has reduced the emission of sewage, simultaneously, has still reduced the running water use amount, practices thrift the use cost of running water.
Drawings
FIG. 1 is a schematic structural view of the aerobic effluent recycling system of the present invention.
The reference numbers are as follows: 1. the device comprises an aerobic tank, 2, an aerobic sedimentation tank, 3, an MBR tank, 31, an MBR membrane group, 32, a first pipeline, 33, a suction pump, 34, an aeration mechanism, 4, a water collecting tank, 41, a disinfection chamber, 42, an ultraviolet lamp, 43, a water pump, 44, a second pipeline, 5, an ultraviolet disinfector, 51, a third pipeline, 52, an electromagnetic valve, 6 and a water mixing tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in figure 1, the utility model relates to a recycling system of aerobic effluent, which comprises: the device comprises an aerobic tank 1 and an aerobic sedimentation tank 2 communicated with the aerobic tank 1, wherein the aerobic sedimentation tank 2 is communicated with an MBR tank 3, an MBR membrane group 31 is arranged in the MBR tank 3, the MBR membrane group 31 is communicated with a water collecting tank 4, the water collecting tank 4 is communicated with a first water inlet of a water mixing tank 6 through an ultraviolet sterilizer 5, and a second water inlet of the water mixing tank 6 is communicated with a tap water source; wherein, an aeration mechanism 34 is arranged at the lower side of the MBR membrane group 31 in the MBR tank 3.
The MBR of the embodiment is a water treatment technology which is combined by a membrane separation unit and a biological treatment unit.
The MBR membrane group 31 of the embodiment has the advantages that the treated water is extremely clear, suspended matters and turbidity are close to zero, and bacteria and viruses are greatly removed through the high-efficiency separation effect of the membrane.
The aeration mechanism 34 of the present embodiment is used for the purpose of aeration: oxygen is supplied to the microorganisms, and simultaneously, the rising bubbles and the generated disturbed water flow clean the surface of the MBR membrane group 31 and prevent the sludge from gathering so as to keep the membrane flux stable.
The aeration mechanism 34 of the present embodiment includes: an aeration pipe for aeration in the MBR tank 3, and a blower for supplying air into the aeration pipe.
The uv sterilizer 5 of the present embodiment is an existing apparatus.
The ultraviolet sterilizer 5 of the present embodiment sterilizes the filtered aerobic effluent through ultraviolet rays, thereby solving a possible contamination problem caused by long-term operation of the aerobic effluent.
In the water mixing tank 6 of the embodiment, the water volume ratio of the aerobic effluent and the tap water is adjusted, so that when the aerobic effluent and the tap water enter the fermentation tank, the reducing sugar reaches 6-8%, the fermentation result is unchanged, the fermentation efficiency is stabilized, the energy consumption is reduced, and the production requirement is met.
Further, a disinfection chamber 41 is arranged at the water inlet in the water collecting tank 4, and a plurality of ultraviolet lamps 42 are arranged at the top of the disinfection chamber 41.
The cavity wall of the disinfection cavity 41 of the present embodiment is provided with a plurality of drainage holes.
The sterilization chamber 41 of this embodiment is used to reduce the flow rate of water, so that the sterilization effect is better.
The ultraviolet lamp 42 of the present embodiment is used for the first sterilization.
Further, the water outlet of the MBR membrane group 31 is communicated with a suction pump 33 through a first pipeline 32, and the suction pump 33 is communicated with the water inlet of the water collecting tank 4.
The suction pump 33 of this embodiment is used for conveying the water filtered by the MBR membrane group 31, and controlling the flow rate of the water flow entering the water collecting tank 4, so that the sterilization effect is better.
Further, a water pump 43 is arranged in the water collecting tank 4, and the water pump 43 is communicated with the water inlet of the ultraviolet sterilizer 5 through a second pipeline 44.
The water pump 43 of this embodiment is used to transport the water in the water collecting tank 4 to the ultraviolet sterilizer 5.
Further, a water outlet of the ultraviolet sterilizer 5 is communicated with the first water inlet of the water mixing pool 6 through a third pipeline 51, and an electromagnetic valve 52 is arranged on the third pipeline 51.
The electromagnetic valve 52 of the present embodiment is used for controlling the amount of the aerobic effluent entering the water mixing tank 6.
Further, a water outlet of the water mixing pool 6 is communicated with a crushing workshop.
The working principle is as follows: the effluent of the aerobic tank 1 enters an aerobic sedimentation tank 2 for sedimentation, the aerobic effluent after sedimentation in the aerobic sedimentation tank 2 enters an MBR tank 3, after being filtered by an MBR membrane group 31, the effluent is conveyed into a water collecting tank 4 by a suction pump 33, the effluent and the flow rate are controlled by the suction pump 33 and a disinfection cavity 41, the ultraviolet lamp 42 realizes primary disinfection and sterilization, and then is conveyed into an ultraviolet sterilizer 5 by a water pump 43, and after secondary disinfection and sterilization of the ultraviolet sterilizer 5, the effluent passes through a third pipeline 51 and enters a mixed water tank 6 through an electromagnetic valve 52, meanwhile, a second water inlet of the mixed water tank 6 conveys tap water, the water volume ratio of the aerobic effluent and the tap water is adjusted, and the mixed water enters a crushing workshop.
Claims (7)
1. An aerobic effluent recycling system, comprising: the device comprises an aerobic tank (1) and an aerobic sedimentation tank (2) communicated with the aerobic tank (1), and is characterized in that the aerobic sedimentation tank (2) is communicated with an MBR (membrane bioreactor) tank (3), an MBR membrane group (31) is arranged in the MBR tank (3), the MBR membrane group (31) is communicated with a water collecting tank (4), the water collecting tank (4) is communicated with a first water inlet of a water mixing tank (6) through an ultraviolet sterilizer (5), and a second water inlet of the water mixing tank (6) is communicated with a tap water source; wherein an aeration mechanism (34) is arranged at the lower side of the MBR membrane group (31) in the MBR tank (3).
2. The recycling system of aerobic effluent as claimed in claim 1, wherein a disinfection chamber (41) is provided at the water inlet in the water collecting tank (4), and a plurality of ultraviolet lamps (42) are provided at the top of the disinfection chamber (41).
3. The recycling system of aerobic effluent as claimed in claim 2, wherein the chamber wall of the sterilizing chamber (41) is provided with a plurality of drainage holes.
4. The recycling system of aerobic effluent in claim 1, wherein the water outlet of the MBR membrane group (31) is communicated with a suction pump (33) through a first pipeline (32), and the suction pump (33) is communicated with the water inlet of the water collecting tank (4).
5. The recycling system of aerobic effluent according to claim 1, wherein a water pump (43) is disposed in the water collecting tank (4), and the water pump (43) is connected to the inlet of the ultraviolet sterilizer (5) through a second pipe (44).
6. The recycling system of aerobic effluent according to claim 1, wherein the water outlet of the ultraviolet sterilizer (5) is communicated with the first water inlet of the mixing tank (6) through a third pipeline (51), and the third pipeline (51) is provided with an electromagnetic valve (52).
7. The recycling system of aerobic effluent as claimed in claim 1, wherein the outlet of the mixing basin (6) is connected to the crushing plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178996.8U CN217709185U (en) | 2022-08-18 | 2022-08-18 | Recycling system of aerobic effluent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178996.8U CN217709185U (en) | 2022-08-18 | 2022-08-18 | Recycling system of aerobic effluent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217709185U true CN217709185U (en) | 2022-11-01 |
Family
ID=83785122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222178996.8U Active CN217709185U (en) | 2022-08-18 | 2022-08-18 | Recycling system of aerobic effluent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217709185U (en) |
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2022
- 2022-08-18 CN CN202222178996.8U patent/CN217709185U/en active Active
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