CN201581016U - Treating device of waste water in production of glycol - Google Patents
Treating device of waste water in production of glycol Download PDFInfo
- Publication number
- CN201581016U CN201581016U CN2009201258960U CN200920125896U CN201581016U CN 201581016 U CN201581016 U CN 201581016U CN 2009201258960 U CN2009201258960 U CN 2009201258960U CN 200920125896 U CN200920125896 U CN 200920125896U CN 201581016 U CN201581016 U CN 201581016U
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- sbr reactor
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Abstract
The utility model relates to a treating device of waste water in the production of glycol, belonging to waste water treating device. A mechanical grating (groove) (1) is connected with a water collecting well (2) which is connected with an adjusting pool (3) and an emergency pool (8); the adjusting pool (3) is connected with an SBR reactor (5); a monitoring pool (7), the emergency pool (8) and a sludge pressure filtering system (10) are respectively connected with the adjusting pool (3); a Roots blower (6) is connected with the SBR reactor (5) which is connected with the monitoring pool (7) and a sludge collecting pool (9); an alkali storing groove (4) is connected with the water collecting well (2); the sludge collecting pool (9) is connected with the sludge pressure filtering system (10); the water collecting well is internally provided with a submersible mixer so as to assist a pH and COD online detector; the adjusting pool is internally provided with the submersible mixer; and the SBR reactor is internally provided with the submersible mixer and devices for inlet water reaction, aeration, sediment, decanted water and idleness. The treating device has little investment, fast response, stable outlet water quality and convenient management and operation, and is applicable to the treatment of waste water in the production of glycol.
Description
Technical field: the utility model relates to wastewater treatment equipment, particularly a kind of treatment unit of glycol production waste water.
Background technology: existing popular technology is preliminary sedimentation tank+equalizing tank+anaerobic pond+anoxic pond+Aerobic Pond to be set (method in biological filter/catalytic oxidation/MBR)+second pond+monitoring pond is handled glycol production waste water.Its shortcoming has: the first, and the process unit complexity, the reference mark is many; The second, the organism in the glycol production waste water is the material that low molecular carbon connects substantially, and COD content height, NO
3 -Higher, then not obvious in anaerobism section and anoxic section treatment effect; The 3rd, the mud quantity of reflux is big, the energy consumption height; The 4th, floor space is big, the cost of investment height.
Summary of the invention: the purpose of this utility model is to provide a kind of treatment unit of glycol production waste water, and it can handle glycol production waste water COD concentration height, NO
3 -Toxicity is big, reaches investment little, instant effect, stable effluent quality, is convenient to management and operation, can realize the purpose of automatization control fully.
Formation of the present utility model: by mechanical grille (groove), pump well, equalizing tank, the alkali storage tank, the sbr reactor device, Root's blower, the monitoring pond, accident pool, collection mud sump and sludge press filtration system form, and be aided with PH, COD, ultrasonic level gage and MLSS on-line monitoring instrument, mechanical grille (groove) is connected with pump well, pump well and equalizing tank, accident pool connects, equalizing tank is connected with the sbr reactor device, the monitoring pond, accident pool is connected with equalizing tank respectively again with the sludge press filtration system, Root's blower is connected with the sbr reactor device, sbr reactor device and monitoring pond, the collection mud sump connects, the alkali storage tank is connected with pump well, and the collection mud sump is connected with the sludge press filtration system.
Diving mixer is set in pump well and is aided with PH and COD on-line detector and pump well lift pump and the electrically operated valve that exports; In equalizing tank, be provided with diving mixer and lift pump, diving mixer, lift pump and water inlet reaction, aeration are arranged in the sbr reactor device, precipitate, strain water, idle device, in the monitoring pond, have COD on-line monitoring instrument and monitoring pump chain.
Compared with the prior art, the utility model is made up of mechanical grille (groove), pump well, equalizing tank, alkali storage tank, sbr reactor device, Root's blower, monitoring pond, accident pool, collection mud sump and sludge press filtration system, and is aided with on-line monitoring instrument such as pH, COD, ultrasonic level gage, MLSS and DO.It has following advantage: the first, and the pH in the glycol production waste water, COD, BOD
5, CH
3OH and NO
3 -Isoconcentration changes greatly, and toxicity is also big, by on-line monitoring instrument or its concentration of personal monitoring, adjusting process that can be in good time; The second, CH
3OH and NO
3 -Can effectively remove, avoid polluted source or river, the vital movement that influence is human and biological; The 3rd, a whole set of treatment unit can be realized automatic control, is easy to management maintenance, and floor space is about 2/3 of existing treatment unit; The 4th, glycol production waste water treatment unit processing efficiency height in case after the activated sludge acclimatization maturation, finite concentration poisonous substance matter is converted into innoxious material, can guarantee the continuity and the stability of water outlet.
Description of drawings: accompanying drawing is the utility model structural representation.
1. mechanical grilles (groove) among the figure, 2. pump well, 3. equalizing tank, 4. alkali storage tank, 5.SBR reactor, 6. Root's blower, 7. monitoring pond, 8. accident pool, 9. collection mud sump, 10. sludge press filtration system.
Embodiment: as shown in the figure, by mechanical grille (groove), pump well, equalizing tank, the alkali storage tank, the sbr reactor device, Root's blower, the monitoring pond, accident pool, collection mud sump and sludge press filtration system form, and be aided with PH, COD, ultrasonic level gage and MLSS on-line monitoring instrument, mechanical grille (groove) 1 is connected with pump well 2, pump well 2 and equalizing tank 3, accident pool 8 connects, equalizing tank 3 is connected with sbr reactor device 5, monitoring pond 7, accident pool 8 is connected with equalizing tank 3 respectively again with sludge press filtration system 10, Root's blower 6 is connected with sbr reactor device 5, sbr reactor device 5 and monitoring pond 7, collection mud sump 9 connects, alkali storage tank 4 is connected with pump well 2, and collection mud sump 9 is connected with sludge press filtration system 10.
Diving mixer is set in pump well 2 and is aided with PH and COD on-line detector and pump well lift pump and the electrically operated valve that exports; In equalizing tank 3, be provided with diving mixer and lift pump, diving mixer, lift pump and water inlet reaction, aeration are arranged in sbr reactor device 5, precipitate, strain water, idle device, in monitoring pond 7, have COD on-line monitoring instrument and monitoring pump chain.
Glycol production waste water under the ordinary production situation is from the factory effluent of each operation of production equipment district, and the mechanical grille (groove) 1 of flowing through is earlier removed big floating matter and bigger particle, in order to avoid influence follow-up treatment facility; After enter pump well 2, add the pH in the alkali adjusting waste water simultaneously in the alkali storage tank, and the diving mixer continuously stirring is set in pump well 2 mixes, make the raw water quality thorough mixing even, be aided with pH and COD on-line detector control pH of water quality and COD concentration respectively 6～9 and 1000mg/L in, when COD concentration switches to accident pool 8 by the electrically operated valve of pump well lift pump outlet during greater than 1000mg/L, handle again by the equalizing tank 3 that is transported to of accident pump low discharge again; Delivering to equalizing tank 3 by the pump well lift pump when COD concentration during less than 1000mg/L stores; Be provided with the diving mixer continuously stirring in equalizing tank 3, make former water thorough mixing even, water quality and quantity is constant before guaranteeing to enter sbr reactor device 5; The back is sent waste water into sbr reactor device 5 by the SBR lift pump and is handled, through water inlet reaction, aeration, precipitate, strain water, device such as idle is finished one-period.Finish NO by carbon source as electron acceptor(EA) in the water inlet step of reaction
3 -Denitrification handle, with NO
3 -Be reduced into nitrogen, reduce the NO in the sewage
3 -Toxicity reduces the concentration of COD simultaneously; Is CO at the metabolism of Root's blower aeration aerobic stage by aerobic microbiological with organic matter degradation
2And H
2O causes COD to obtain removing.Then stop to stir and aeration, enter solid-liquid separation.Draining enters monitoring pond 7, in monitoring pond 7 under COD on-line monitoring instrument and the chain monitoring of monitoring pump, up to standardly then effluxes, and handles otherwise will start monitoring pumped back equalizing tank 3 automatically again.Diving mixer stirs in water inlet and automatic startup of idle stage sbr reactor device 5, carries out anaerobism+anoxic+anti-nitration reaction, reaches simultaneously and reduces or removal COD, NO
3 -Purpose.At aeration phase, when the concentration of mixed solution MLSS on-line monitoring instrument during greater than 6000mg/L, manually carry out spoil disposal in draining or idle stage, mud enters collection mud sump 9, mud is handled by sludge press filtration system 10, landfill transported outward by filter cake or as the nutrition soil of afforesting usefulness, press filtration water returns pump well 2 and handles.
This device major control point is former water pH, COD and NO
3 -Isocyatic control: 1) as the COD in the pump well 2 during greater than 1000mg/L, starting sewage pump automatically, to switch to accident pool 8 temporary, and handle from a spot of equalizing tank 3 that is delivered to of accident pool the back again; 2), when the pH in the pump well 2 is lower than 6.0, add alkali and regulate its pH between 6.0～9.0 because of containing nitric acid in the glycol production waste water; 3) concentration of control nitric acid is less than 100mg/L, and C/N is than greater than 3.Above 3 points of strict control, the COD in the water outlet, BOD
5, SS, CH
3OH and TN (NO
3 -) etc. water quality all reach or be better than the GB8978-1996 of country's " integrated wastewater discharge standard " first discharge standard.
Claims (2)
1. the treatment unit of a glycol production waste water, by mechanical grille (groove), pump well, equalizing tank, the alkali storage tank, the sbr reactor device, Root's blower, the monitoring pond, accident pool, collection mud sump and sludge press filtration system form, and be aided with PH, COD, ultrasonic level gage and MLSS on-line monitoring instrument, it is characterized in that: mechanical grille (groove) (1) is connected with pump well (2), pump well (2) and equalizing tank (3), accident pool (8) connects, equalizing tank (3) is connected with sbr reactor device (5), monitoring pond (7), accident pool (8) is connected with equalizing tank (3) respectively again with sludge press filtration system (10), Root's blower (6) is connected with sbr reactor device (5), sbr reactor device (5) and monitoring pond (7), collection mud sump (9) connects, alkali storage tank (4) is connected with pump well (2), and collection mud sump (9) is connected with sludge press filtration system (10).
2. the treatment unit of a kind of glycol production waste water according to claim 1 is characterized in that: in pump well (2) diving mixer is set and is aided with PH and COD on-line detector and pump well lift pump and the electrically operated valve that exports; In equalizing tank (3), be provided with diving mixer and lift pump, diving mixer, lift pump and water inlet reaction, aeration are arranged in sbr reactor device (5), precipitate, strain water, idle device, in monitoring pond (7), have COD on-line monitoring instrument and monitoring pump chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201258960U CN201581016U (en) | 2009-12-07 | 2009-12-07 | Treating device of waste water in production of glycol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201258960U CN201581016U (en) | 2009-12-07 | 2009-12-07 | Treating device of waste water in production of glycol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201581016U true CN201581016U (en) | 2010-09-15 |
Family
ID=42723013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201258960U Expired - Fee Related CN201581016U (en) | 2009-12-07 | 2009-12-07 | Treating device of waste water in production of glycol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201581016U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173534A (en) * | 2011-03-04 | 2011-09-07 | 贵州绿色环保设备工程有限责任公司 | Method for treating polytetrahydrofuran (PEMEG) production wastewater |
| CN102826651A (en) * | 2012-09-25 | 2012-12-19 | 重庆三峰环境产业集团有限公司 | Pretreatment anaerobic biochemical regulation device |
| CN105481200A (en) * | 2016-01-25 | 2016-04-13 | 新疆心连心能源化工有限公司 | Sewage treatment process |
| CN109485151A (en) * | 2018-11-26 | 2019-03-19 | 上海泓济环保科技股份有限公司 | The device and its treatment process of synthesis gas preparing ethylene glycol production wastewater treatment |
-
2009
- 2009-12-07 CN CN2009201258960U patent/CN201581016U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173534A (en) * | 2011-03-04 | 2011-09-07 | 贵州绿色环保设备工程有限责任公司 | Method for treating polytetrahydrofuran (PEMEG) production wastewater |
| CN102173534B (en) * | 2011-03-04 | 2013-02-20 | 贵州绿色环保设备工程有限责任公司 | Method for treating polytetrahydrofuran (PEMEG) production wastewater |
| CN102826651A (en) * | 2012-09-25 | 2012-12-19 | 重庆三峰环境产业集团有限公司 | Pretreatment anaerobic biochemical regulation device |
| CN105481200A (en) * | 2016-01-25 | 2016-04-13 | 新疆心连心能源化工有限公司 | Sewage treatment process |
| CN109485151A (en) * | 2018-11-26 | 2019-03-19 | 上海泓济环保科技股份有限公司 | The device and its treatment process of synthesis gas preparing ethylene glycol production wastewater treatment |
| CN109485151B (en) * | 2018-11-26 | 2023-08-29 | 上海泓济环保科技股份有限公司 | Device and process for treating wastewater from production of ethylene glycol from synthesis gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131207 |