CN204325084U - A kind for the treatment of system of methanol production waste water - Google Patents
A kind for the treatment of system of methanol production waste water Download PDFInfo
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- CN204325084U CN204325084U CN201420754229.XU CN201420754229U CN204325084U CN 204325084 U CN204325084 U CN 204325084U CN 201420754229 U CN201420754229 U CN 201420754229U CN 204325084 U CN204325084 U CN 204325084U
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Abstract
The utility model relates to a kind for the treatment of system of methanol production waste water, the treatment system of described methanol production waste water comprises Sewage treatment systems, sludge treating system and marsh gas treating system, described Sewage treatment systems comprises the grid be communicated with successively, pump well, equalizing tank, UASB, anaerobic precipitation pond, one-level contact-oxidation pool, medium sediment pool, two-stage biological contact oxidation pond, second pond, contact tank, described sludge treating system comprises the mud-collecting well be communicated with successively, sludge thickener, dehydration machine room, described marsh gas treating system comprises the water-sealed tank be communicated with successively, condenser, biogas cabinet, described water-sealed tank is communicated with UASB, mud-collecting well and UASB, anaerobic precipitation pond, medium sediment pool, second pond is communicated with, described sludge thickener, dehydration machine room is all communicated with equalizing tank.Methanol production waste water after the utility model process, the water quality after process is good, and in water outlet, the contamination index such as COD, BOD, SS all reaches standard of drainage, solves current methanol production, uses the predicament of industry wastewater treatment.
Description
Technical field
The utility model relates to a kind for the treatment of system of methanol production waste water.
Background technology
The principal pollutant of current China water surrounding are a large amount of undressed high concentrated organic wastewaters, and methanol waste water is exactly one of them.Methyl alcohol is a kind of important chemical products, methyl alcohol is extensively present in as a kind of organic pollutant in the factory effluents such as basic organic synthesis, plastics, regenerated fiber, pharmacy, ion exchange resin, petrochemical complex, forestry chemical industry and sulfate pulping, methyl alcohol is all toxic to microorganism, hydrobiont and human body, along with all trades and professions are to the increase day by day of methanol demands amount, all kinds of enterprise the waste water that discharges containing methyl alcohol also increasing, these waste water not only pollute environment, also seriously compromise the health of human body.
In general methanol production waste water, methanol concentration is about 1%, isopropylcarbinol is about 0.5%, the pollutant loads such as COD (chemical oxygen demand (COD)), BOD (biochemical oxygen demand (BOD)), SS (suspended solid) are all very high, the biodegradability of water is poor, belong to more unmanageable trade effluent, and methanol waste water contains instability, fluctuation is large, draining is irregular, this wastewater treatment also brings certain difficulty, at present, how reasonably processing this kind of waste water is the significant problem that environmental engineering worker faces.
Utility model content
The purpose of this utility model is the defect overcoming prior art existence, provides a kind for the treatment of system of methanol production waste water.
The technical scheme realizing the utility model object is: a kind for the treatment of system of methanol production waste water, the treatment system of described methanol production waste water comprises Sewage treatment systems, sludge treating system and marsh gas treating system, described Sewage treatment systems comprises the grid be communicated with successively, pump well, equalizing tank, UASB, anaerobic precipitation pond, one-level contact-oxidation pool, medium sediment pool, two-stage biological contact oxidation pond, second pond, contact tank, described sludge treating system comprises the mud-collecting well be communicated with successively, sludge thickener, dehydration machine room, described marsh gas treating system comprises the water-sealed tank be communicated with successively, condenser, biogas cabinet, described water-sealed tank is communicated with described UASB, described mud-collecting well and described UASB, described anaerobic precipitation pond, described medium sediment pool, described second pond is communicated with, described sludge thickener, described dehydration machine room is all communicated with described equalizing tank.
As optimization, described anaerobic precipitation pond partial sludge is back to described UASB, and excess sludge flows into described mud-collecting well; Described medium sediment pool partial sludge is back to described one-level contact-oxidation pool, and excess sludge flows into described mud-collecting well; Described second pond partial sludge is back to described two-stage biological contact oxidation pond, and excess sludge flows into described mud-collecting well.
As optimization, the mud of described UASB flows into described mud-collecting well, and sewage flows into described anaerobic precipitation pond, and biogas sends into described water-sealed tank.
As optimization, the drainage of described sludge thickener, described dehydration machine room is back to described equalizing tank.
As optimization, in described dehydration machine room, be provided with belt filter press.
The utility model has positive effect: when the utility model uses, waste water is first removed bulk by grid and is suspended or floating pollutent, sewage after filtration flows into the pump well regulating water quality water yield, then, after sewage flows into equalizing tank adjustment pH value, UASB reactor is entered, the pollutents such as methyl alcohol of degrading in UASB reactor, and form methane, sewage after reaction treatment flows into anaerobic precipitation pond, and mud flows into mud-collecting well, and biogas sends into water-sealed tank, anaerobic precipitation pond is precipitated anaerobic sludge, then mud flows into mud-collecting well, foul water fraction is back to UASB and again processes, a part flows into one-level contact-oxidation pool, one-level contact-oxidation pool operates at high load conditions, significantly remove the organism in waste water, then water outlet is to medium sediment pool, the microbial film that medium sediment pool is removed suspended substance and come off, sewage enters two-stage biological contact oxidation pond, partial sludge backflow one-level contact-oxidation pool, excess sludge enters mud-collecting well, two-stage biological contact oxidation pond operates under low load condition, remove remaining organism in waste water, the effluent quality obtained, then water outlet is to second pond, second pond removes the suspended substance in water further, qualified discharge after disinfection of effluent, partial sludge backflow two-stage biological contact oxidation pond, excess sludge enters mud-collecting well.
Mud-collecting well collects each settling tank and flows to the mud come, conditioning of mud amount, send into sludge thickener, sludge thickener reduces the water ratio of mud, and the volume of mud is reduced, sludge thickener supernatant liquor is out back to equalizing tank again and again processes, mud flows into dehydration machine room, and dehydration machine room makes mud dewater further, reduced volume, dry mud outward transport, clear liquid is back to equalizing tank and again processes.
Biogas collected by water-sealed tank, and send into condenser, condenser will be blended in the water vapor condensation in biogas, and gas, liquid are separated, and removes the biogas of water vapour, be collected in biogas cabinet, for biogas utilization.
Methanol production waste water after the utility model process, the water quality after process is good, and in water outlet, the contamination index such as COD, BOD, SS all reaches standard of drainage, solves current methanol production, uses the predicament of industry wastewater treatment, be applicable to popularity and use.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the schematic flow sheet of the utility model methanol production Waste Water Treatment.
Embodiment
As shown in Figure 1, the utility model is a kind for the treatment of system of methanol production waste water, the treatment system of described methanol production waste water comprises Sewage treatment systems, sludge treating system and marsh gas treating system, described Sewage treatment systems comprises the grid be communicated with successively, pump well, equalizing tank, UASB, anaerobic precipitation pond, one-level contact-oxidation pool, medium sediment pool, two-stage biological contact oxidation pond, second pond, contact tank, described sludge treating system comprises the mud-collecting well be communicated with successively, sludge thickener, dehydration machine room, described marsh gas treating system comprises the water-sealed tank be communicated with successively, condenser, biogas cabinet, described water-sealed tank is communicated with described UASB, described mud-collecting well and described UASB, described anaerobic precipitation pond, described medium sediment pool, described second pond is communicated with, described sludge thickener, described dehydration machine room is all communicated with described equalizing tank.Described anaerobic precipitation pond partial sludge is back to described UASB, and excess sludge flows into described mud-collecting well; Described medium sediment pool partial sludge is back to described one-level contact-oxidation pool, and excess sludge flows into described mud-collecting well; Described second pond partial sludge is back to described two-stage biological contact oxidation pond, and excess sludge flows into described mud-collecting well.The mud of described UASB flows into described mud-collecting well, and sewage flows into described anaerobic precipitation pond, and biogas sends into described water-sealed tank.The drainage of described sludge thickener, described dehydration machine room is back to described equalizing tank.Belt filter press is provided with in described dehydration machine room.
Grid is used for bulk in filter sewage and suspends or floating pollutent, and ensure that follow-up structures, water pump, pipeline etc. normally run, the sewage after filtration flows into pump well.
Because methanol waste water is unstable, fluctuation is large, draining is irregular, so waste water is introduced into the pump well regulating water quality water yield.
Add sodium hydroxide and sulfuric acid in equalizing tank equalizing tank, regulate the pH value of waste water, then waste water flows into UASB reactor.
UASB reactor for the pollutents such as methyl alcohol of degrading, and forms methane, and improves the biodegradability of waste water simultaneously, and the sewage after reaction treatment flows into anaerobic precipitation pond, and mud flows into mud-collecting well, and biogas sends into water-sealed tank.
Anaerobic precipitation pond is used for precipitating anaerobic sludge, and then mud flows into mud-collecting well, and foul water fraction is back to UASB and again processes, and a part flows into one-level contact-oxidation pool.
One-level contact-oxidation pool operates at high load conditions, and significantly remove the organism in waste water, then water outlet is to medium sediment pool.
The microbial film that medium sediment pool is removed suspended substance and come off, sewage enters two-stage biological contact oxidation pond, and partial sludge backflow one-level contact-oxidation pool, excess sludge enters mud-collecting well.
Two-stage biological contact oxidation pond operates under low load condition, and remove remaining organism in waste water, the effluent quality obtained, then water outlet is to second pond.
Second pond removes the suspended substance in water further, qualified discharge after disinfection of effluent, and partial sludge backflow two-stage biological contact oxidation pond, excess sludge enters mud-collecting well.
Mud-collecting well collects each settling tank and flows to the mud come, conditioning of mud amount, sends into sludge thickener.
Sludge thickener is by sludge condensation, and reduce the water ratio of mud, the volume of mud is reduced, and sludge thickener supernatant liquor is out back to equalizing tank again and again processes, and mud flows into dehydration machine room.
Be provided with belt filter press in dehydration machine room, mud dewatered further, reduced volume, dry mud outward transport, clear liquid is back to equalizing tank and again processes.
Biogas collected by water-sealed tank, sends into condenser.
Condenser will be blended in the water vapor condensation in biogas, and gas, liquid are separated.
Biogas cabinet is used for being collected in biogas, recycle.
Embodiment:
The sewage quality of the factory effluent of certain methyl alcohol manufacturing enterprise is: the water yield is 1000t/d, COD=12000mg/L, BOD=4800mg/L, SS=300mg/L, pH:6-9.
When the utility model uses: waste water is first removed bulk by grid and suspended or floating pollutent, sewage after filtration flows into the pump well regulating water quality water yield, then after sewage flows into equalizing tank adjustment pH value, enter UASB reactor, to degrade in UASB reactor the pollutents such as methyl alcohol, and form methane, the sewage after reaction treatment flows into anaerobic precipitation pond, mud flows into mud-collecting well, and biogas sends into water-sealed tank, anaerobic precipitation pond is precipitated anaerobic sludge, then mud flows into mud-collecting well, foul water fraction is back to UASB and again processes, a part flows into one-level contact-oxidation pool, one-level contact-oxidation pool operates at high load conditions, significantly remove the organism in waste water, then water outlet is to medium sediment pool, the microbial film that medium sediment pool is removed suspended substance and come off, sewage enters two-stage biological contact oxidation pond, partial sludge backflow one-level contact-oxidation pool, excess sludge enters mud-collecting well, two-stage biological contact oxidation pond operates under low load condition, remove remaining organism in waste water, the effluent quality obtained, then water outlet is to second pond, second pond removes the suspended substance in water further, qualified discharge after disinfection of effluent, partial sludge backflow two-stage biological contact oxidation pond, excess sludge enters mud-collecting well.
Mud-collecting well collects each settling tank and flows to the mud come, conditioning of mud amount, send into sludge thickener, sludge thickener reduces the water ratio of mud, and the volume of mud is reduced, sludge thickener supernatant liquor is out back to equalizing tank again and again processes, mud flows into dehydration machine room, and dehydration machine room makes mud dewater further, reduced volume, dry mud outward transport, clear liquid is back to equalizing tank and again processes.
Biogas collected by water-sealed tank, and send into condenser, condenser will be blended in the water vapor condensation in biogas, and gas, liquid are separated, and removes the biogas of water vapour, be collected in biogas cabinet, for biogas utilization.
The effluent quality reached: COD=95mg/L, BOD=30mg/L, SS=9mg/L, pH:6-9.
Each processing unit treatment effect is as following table:
As can be seen from this embodiment, methanol production waste water after the utility model process, the water quality after process is good, and in water outlet, the contamination index such as COD, BOD, SS all reaches standard of drainage, solve current methanol production, use the predicament of industry wastewater treatment, be applicable to popularity and use.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the treatment system of a methanol production waste water, it is characterized in that: the treatment system of described methanol production waste water comprises Sewage treatment systems, sludge treating system and marsh gas treating system, described Sewage treatment systems comprises the grid be communicated with successively, pump well, equalizing tank, UASB, anaerobic precipitation pond, one-level contact-oxidation pool, medium sediment pool, two-stage biological contact oxidation pond, second pond, contact tank, described sludge treating system comprises the mud-collecting well be communicated with successively, sludge thickener, dehydration machine room, described marsh gas treating system comprises the water-sealed tank be communicated with successively, condenser, biogas cabinet, described water-sealed tank is communicated with described UASB, described mud-collecting well and described UASB, described anaerobic precipitation pond, described medium sediment pool, described second pond is communicated with, described sludge thickener, described dehydration machine room is all communicated with described equalizing tank.
2. the treatment system of a kind of methanol production waste water according to claim 1, is characterized in that: described anaerobic precipitation pond partial sludge is back to described UASB, and excess sludge flows into described mud-collecting well; Described medium sediment pool partial sludge is back to described one-level contact-oxidation pool, and excess sludge flows into described mud-collecting well; Described second pond partial sludge is back to described two-stage biological contact oxidation pond, and excess sludge flows into described mud-collecting well.
3. the treatment system of a kind of methanol production waste water according to claim 2, it is characterized in that: the mud of described UASB flows into described mud-collecting well, sewage flows into described anaerobic precipitation pond, and biogas sends into described water-sealed tank.
4. the treatment system of a kind of methanol production waste water according to any one of claim 1 to 3, is characterized in that: the drainage of described sludge thickener, described dehydration machine room is back to described equalizing tank.
5. the treatment system of a kind of methanol production waste water according to claim 4, is characterized in that: be provided with belt filter press in described dehydration machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420754229.XU CN204325084U (en) | 2014-12-04 | 2014-12-04 | A kind for the treatment of system of methanol production waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420754229.XU CN204325084U (en) | 2014-12-04 | 2014-12-04 | A kind for the treatment of system of methanol production waste water |
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| CN204325084U true CN204325084U (en) | 2015-05-13 |
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| CN201420754229.XU Expired - Fee Related CN204325084U (en) | 2014-12-04 | 2014-12-04 | A kind for the treatment of system of methanol production waste water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430564A (en) * | 2016-08-31 | 2017-02-22 | 陈江 | Landfill leachate treatment system |
| CN107304093A (en) * | 2016-04-25 | 2017-10-31 | 江苏德邦工程有限公司 | Containing formaldehyde, the integrated deep treatment method of methanol waste water and processing unit |
| US10829399B2 (en) | 2016-06-13 | 2020-11-10 | Woxford Environmental Technologies (Uk) Ltd. | Anaerobic reactor |
| CN111977912A (en) * | 2020-09-03 | 2020-11-24 | 四川省味聚特食品有限公司 | High-salt food wastewater treatment system and treatment method |
-
2014
- 2014-12-04 CN CN201420754229.XU patent/CN204325084U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107304093A (en) * | 2016-04-25 | 2017-10-31 | 江苏德邦工程有限公司 | Containing formaldehyde, the integrated deep treatment method of methanol waste water and processing unit |
| US10829399B2 (en) | 2016-06-13 | 2020-11-10 | Woxford Environmental Technologies (Uk) Ltd. | Anaerobic reactor |
| CN106430564A (en) * | 2016-08-31 | 2017-02-22 | 陈江 | Landfill leachate treatment system |
| CN111977912A (en) * | 2020-09-03 | 2020-11-24 | 四川省味聚特食品有限公司 | High-salt food wastewater treatment system and treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20181204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |