CN204097234U - A kind of organic wastewater with difficult degradation thereby treatment system - Google Patents
A kind of organic wastewater with difficult degradation thereby treatment system Download PDFInfo
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- CN204097234U CN204097234U CN201420485016.1U CN201420485016U CN204097234U CN 204097234 U CN204097234 U CN 204097234U CN 201420485016 U CN201420485016 U CN 201420485016U CN 204097234 U CN204097234 U CN 204097234U
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Abstract
The utility model relates to a kind of organic wastewater with difficult degradation thereby treatment system, belongs to water-treatment technology field.Comprise one-level coagulative precipitation tank, water pump, ozonizer, mixing jet device, O3 catalytic oxidation device, gas-liquid separation device, device for absorbing tail gas and two-stage coagulation settling tank.One-level coagulative precipitation tank is connected with water inlet, and mixing jet device is connected by the water outlet of water pump with one-level coagulative precipitation tank, and its inlet mouth is connected with ozonizer, and its water outlet is connected with O3 catalytic oxidation device.The top of O3 catalytic oxidation device is connected with device for absorbing tail gas, and the inlet mouth of gas-liquid separation device is connected with the water outlet above O3 catalytic oxidation device, and its air outlet is connected with device for absorbing tail gas.Two-stage coagulation settling tank water-in is connected with the water outlet of gas-liquid separation device, and its water outlet is connected with the water outlet for the treatment of system.Present treatment system integration degree is high, floor space is little, and treatment scheme is short, simple to operate, advantage of lower cost, and water outlet reaches emission request.
Description
Technical field
The utility model relates to a kind of organic wastewater with difficult degradation thereby treatment system, belongs to water-treatment technology field.
Background technology
In recent years, along with industrial or agricultural develops rapidly, the various waste water containing a large amount of difficult for biological degradation organic pollutant is corresponding to be increased, as coking chemical waste water, pharmacy waste water (comprising traditional Chinese medicine wastewater), petrochemical industry/oils waste water, weaving/dyeing waste water, wastewater from chemical industry etc.It is very slow that most of organism in above-mentioned waste water are decomposed by the microorganisms hourly velocity, decomposes halfway organism (also comprising some organic meta-bolites) easily enrichment in vivo, also easily become the potential pollution source of water body.These type of poisonous Persistent organic pollutants comprise polycyclic aromatic hydrocarbons, halohydrocarbon, heterocyclic compound, phenols, organophosphorus pesticide, tensio-active agent, organic dye etc.The common feature of these materials is that toxicity is large, high, the general microorganism of complicated, chemical oxygen demand does not almost have degradation effect to it.If these materials are not with adding improvement to environmental emission, certainly will seriously contaminate environment and threaten the mankind healthy.
The treatment process that organic wastewater with difficult degradation thereby treatment process generally will adopt pre-treatment, secondary biochemical treatment and advanced treatment to combine, wherein advanced treatment part adopts physico-chemical process usually.Common physico-chemical process mainly contains coagulation, absorption, electrochemistry and advanced oxidation processes etc.Not only floor space is large for these organic wastewater with difficult degradation thereby treatment process systems existing at present, and technique is loaded down with trivial details, and cost is high, and can not ensure that water outlet is completely up to standard, need to improve.
Summary of the invention
The purpose of this utility model is to provide a kind of organic wastewater with difficult degradation thereby treatment system, to improve the treatment effect of organic wastewater with difficult degradation thereby, and reduces the floor space for the treatment of system, reduces running cost.
The organic wastewater with difficult degradation thereby treatment system that the utility model proposes, comprises one-level coagulative precipitation tank, water pump, ozonizer, mixing jet device, O3 catalytic oxidation device, gas-liquid separation device, device for absorbing tail gas and two-stage coagulation settling tank; The described import of one-level coagulative precipitation tank is connected with the water inlet for the treatment of system; The water-in of described mixing jet device is connected by the water outlet of water pump with one-level coagulative precipitation tank, and the inlet mouth of mixing jet device is connected with ozonizer; The mixed solution buffer zone of described O3 catalytic oxidation device bottom is connected with the water outlet of mixing jet device, the top of O3 catalytic oxidation device is connected with device for absorbing tail gas, O3 catalytic oxidation device inside is provided with multiple catalytic unit, and each catalytic unit from bottom to top comprises the titanium net of titanium net, particulate catalytic oxidant layer, ultraviolet lamp tube layer and area load fine catalyst successively; The inlet mouth of described gas-liquid separation device is connected with the water outlet above O3 catalytic oxidation device, and the air outlet of gas-liquid separation device is connected with device for absorbing tail gas; Described two-stage coagulation settling tank water-in is connected with the water outlet of gas-liquid separation device, and the water outlet of two-stage coagulation settling tank is connected with the water outlet for the treatment of system.
The organic wastewater with difficult degradation thereby treatment system that the utility model proposes, its advantage is:
The Waste Water Treatment that the utility model proposes, integration degree is high, floor space is little, and effectively ultraviolet catalytic, titanium net supported particulate catalyst and titanium net load fine catalyst are combined, enhance ozone oxidation process, improve the treatment effect of organic wastewater with difficult degradation thereby.This Waste Water Treatment flow process is short, simple to operate, advantage of lower cost, and water outlet can reach emission request.
Accompanying drawing explanation
Fig. 1 is the organic wastewater with difficult degradation thereby treatment system structural representation of the band advanced oxidation device that the utility model proposes.
In Fig. 1,1 is one-level coagulative precipitation tank, and 2 is water pumps, 3 is ozonizers, and 4 is mixing jet devices, and 5 is O3 catalytic oxidation devices, 6 is gas-liquid separation devices, and 7 is device for absorbing tail gas, and 8 is two-stage coagulation settling tanks, 9 is mixed solution buffer zones, 10 is titanium nets, and 11 is particulate catalytic oxidant layer, and 12 is ultraviolet lamp tube layer, 13 is titanium nets of area load fine catalyst, and 14 is catalytic units.
Embodiment
The organic wastewater with difficult degradation thereby treatment system that the utility model proposes, its structure as shown in Figure 1, comprises one-level coagulative precipitation tank 1, water pump 2, ozonizer 3, mixing jet device 4, O3 catalytic oxidation device 5, gas-liquid separation device 6, device for absorbing tail gas 7 and two-stage coagulation settling tank 8.The import of one-level coagulative precipitation tank 1 is connected with the water inlet for the treatment of system.The water-in of mixing jet device 4 is connected by the water outlet of water pump 2 with one-level coagulative precipitation tank 1, and the inlet mouth of mixing jet device 4 is connected with ozonizer 3.The mixed solution buffer zone 9 of O3 catalytic oxidation device 5 bottom is connected with the water outlet of mixing jet device 4, the top of O3 catalytic oxidation device 5 is connected with device for absorbing tail gas 7, O3 catalytic oxidation device 5 inside is provided with multiple catalytic unit 14, and each catalytic unit 14 from bottom to top comprises the titanium net 13 of titanium net 10, particulate catalytic oxidant layer 11, ultraviolet lamp tube layer 12 and area load fine catalyst successively.The inlet mouth of gas-liquid separation device 6 is connected with the water outlet above O3 catalytic oxidation device 5, and the air outlet of gas-liquid separation device 6 is connected with device for absorbing tail gas 7.The water-in of two-stage coagulation settling tank 8 is connected with the water outlet of gas-liquid separation device 6, and the water outlet of two-stage coagulation settling tank 8 is connected with the water outlet for the treatment of system.
In the organic wastewater with difficult degradation thereby treatment system that the utility model proposes, water inlet is first through one-level coagulative precipitation tank, after coagulation and solid-liquid separation tentatively remove Persistent organic pollutants, supernatant liquor pumps into mixing jet device by water pump, enter O3 catalytic oxidation device after fully mixing with the ozone from ozonizer simultaneously, catalytic oxidation is there is under ultra violet lamp and catalyzer acting in conjunction, then gas-liquid separation device is drained into, gas after gas-liquid separation with discharge after O3 catalytic oxidation device top expellant gas together enters device for absorbing tail gas process, gas-liquid separator water outlet enters two-stage coagulation settling tank, carries out supernatant liquor qualified discharge after two-stage coagulation and solid-liquid separation process.
One-level coagulative precipitation tank in this Waste Water Treatment, be aluminium system or iron system high-molecular coagulant adopting to its coagulating agent added, coagulant aids is polyacrylamide substances, dosage be respectively 100 ?130mg/L and 0.8 ?1.0mg/L, coagulation churning time be 15 ?25min, sedimentation time be 0.5 ?1h.
Mixing jet device in this Waste Water Treatment, the ozone concn in its water outlet be 80 ?200mg/L, mixing jet device can adopt the product produced by bright environmental protection equipment factory of Luoyang Yanshi City million, and model is SFQ.
In the O3 catalytic oxidation device of this Waste Water Treatment, the height of each catalytic unit and the aspect ratio of O3 catalytic oxidation device be 1:(15 ?30), the ultraviolet lamp tube of ultraviolet lamp tube layer is immersion, titanium net supported catalyst powder bed height be 0.1 ?0.3mm, catalyzer is the mixture of the materials such as ferrous oxide, aluminium system oxide compound, magnesium system oxide compound, gac and clay, hydraulic detention time be 10 ?30min.The size of mesh opening of titanium net used be 50 ?100 orders.
The two-stage coagulation settling tank of this Waste Water Treatment, be Al-based coagulant to its coagulating agent added, coagulant aids is polyacrylamide substances, dosage be respectively 150 ?300mg/L and 0.8 ?1.0mg/L, coagulation churning time be 15 ?25min, sedimentation time be 0.5 ?1h.
The ozonizer used in this Waste Water Treatment, can use the product produced by Qingdao Guolin Industry Co., Ltd., model be CF ?G ?2.
The gas-liquid separation device used in this Waste Water Treatment, can use the product that Xi'an Ke Xun Machinery Manufacturing Co., Ltd. produces, and model is ZYQ800.
The device for absorbing tail gas used in this Waste Water Treatment, Qingdao can be used to send Neil green technology company limited to produce, and model is POZN.
Introduce embodiment of the present utility model below.
Embodiment 1:
COD concentration be 290 ?the water inlet of 310mg/L enter into one-level coagulative precipitation tank 1 and process, dosing coagulant bodied ferric sulfate 130mg/L, coagulant aids polyacrylamide 1mg/L successively, coagulation stirs 20min; After coagulation and solid-liquid separation, supernatant liquor is delivered to mixing jet device 4 by water pump 2, mix with the ozone from ozonizer 3 simultaneously, ozone concn enters the mixed solution buffer zone 9 of O3 catalytic oxidation device 5 bottom after reaching 150mg/L, then flow into successively in two catalytic units 14 repeated, irradiate in ultraviolet lamp tube layer 12, react 25min under titanium net 13 acting in conjunction of titanium net 10, particulate catalytic oxidant layer 11 and area load fine catalyst, be drained into gas-liquid separation device 6; Enter two-stage coagulation settling tank 8 from the waste water of gas-liquid separator discharge and carry out two-stage coagulation process; Dosing coagulant Tai-Ace S 150 200mg/L, coagulant aids polyacrylamide 1mg/L successively in two-stage coagulation settling tank waste water, coagulation stirs 15min, after coagulation and solid-liquid separation supernatant liquor up to standard after discharge; Gas after gas-liquid separation with enter device for absorbing tail gas 7 from O3 catalytic oxidation device top expellant gas and process rear discharge.
Embodiment 2:
COD concentration be 270 ?the water inlet of 290mg/L enter into one-level coagulative precipitation tank 1 and process, dosing coagulant bodied ferric sulfate 100mg/L, coagulant aids polyacrylamide 1mg/L successively, coagulation stirs 20min; After coagulation and solid-liquid separation, supernatant liquor is delivered to mixing jet device 4 by water pump 2, mix with the ozone from ozonizer 3 simultaneously, ozone concn enters mixed solution buffer zone, O3 catalytic oxidation device 5 bottom 9 after reaching 110mg/L, then flow into successively in two catalytic units 14 repeated, irradiate in ultraviolet lamp tube layer 12, react 20min under titanium net 13 acting in conjunction of titanium net 10, particulate catalytic oxidant layer 11 and area load fine catalyst, be drained into gas-liquid separation device 6; Enter two-stage coagulation settling tank 8 from the waste water of gas-liquid separator discharge and carry out two-stage coagulation process; Dosing coagulant Tai-Ace S 150 270mg/L, coagulant aids polyacrylamide 0.8mg/L successively in two-stage coagulation settling tank waste water, coagulation stirs 15min, after coagulation and solid-liquid separation supernatant liquor up to standard after discharge; Gas after gas-liquid separation with enter device for absorbing tail gas 7 from O3 catalytic oxidation device top expellant gas and process rear discharge.
Embodiment 3:
COD concentration be 240 ?the water inlet of 270mg/L enter into one-level coagulative precipitation tank 1 and process, dosing coagulant bodied ferric sulfate 100mg/L, coagulant aids polyacrylamide 0.8mg/L successively, coagulation stirs 18min; After coagulation and solid-liquid separation, supernatant liquor is delivered to mixing jet device 4 by water pump 2, mix with the ozone from ozonizer 3 simultaneously, ozone concn enters mixed solution buffer zone, O3 catalytic oxidation device 5 bottom 9 after reaching 100mg/L, then flow in catalytic unit 14, irradiate in ultraviolet lamp tube layer 12, react 20min under titanium net 13 acting in conjunction of titanium net 10, particulate catalytic oxidant layer 11 and area load fine catalyst, be drained into gas-liquid separation device 6; Enter two-stage coagulation settling tank 8 from the waste water of gas-liquid separator discharge and carry out two-stage coagulation process; Dosing coagulant Tai-Ace S 150 250mg/L, coagulant aids polyacrylamide 0.8mg/L successively in two-stage coagulation settling tank waste water, coagulation stirs 15min, after coagulation and solid-liquid separation supernatant liquor up to standard after discharge; Gas after gas-liquid separation with enter device for absorbing tail gas 7 from O3 catalytic oxidation device top expellant gas and process rear discharge.
Embodiment 4:
COD concentration be 230 ?the water inlet of 250mg/L enter into one-level coagulative precipitation tank 1 and process, dosing coagulant bodied ferric sulfate 100mg/L, coagulant aids polyacrylamide 0.8mg/L successively, coagulation stirs 18min; After coagulation and solid-liquid separation, supernatant liquor is delivered to mixing jet device 4 by water pump 2, mix with the ozone from ozonizer 3 simultaneously, ozone concn enters mixed solution buffer zone, O3 catalytic oxidation device 5 bottom 9 after reaching 100mg/L, then flow in catalytic unit 14, irradiate in ultraviolet lamp tube layer 12, react 15min under titanium net 13 acting in conjunction of titanium net 10, particulate catalytic oxidant layer 11 and area load fine catalyst, be drained into gas-liquid separation device 6; Enter two-stage coagulation settling tank 8 from the waste water of gas-liquid separator discharge and carry out two-stage coagulation process; Dosing coagulant Tai-Ace S 150 250mg/L, coagulant aids polyacrylamide 0.8mg/L successively in two-stage coagulation settling tank waste water, coagulation stirs 15min, after coagulation and solid-liquid separation supernatant liquor up to standard after discharge; Gas after gas-liquid separation with enter device for absorbing tail gas 7 from O3 catalytic oxidation device top expellant gas and process rear discharge.
Claims (1)
1. an organic wastewater with difficult degradation thereby treatment system, is characterized in that this treatment system comprises one-level coagulative precipitation tank, water pump, ozonizer, mixing jet device, O3 catalytic oxidation device, gas-liquid separation device, device for absorbing tail gas and two-stage coagulation settling tank; The described import of one-level coagulative precipitation tank is connected with the water inlet for the treatment of system; The water-in of described mixing jet device is connected by the water outlet of water pump with one-level coagulative precipitation tank, and the inlet mouth of mixing jet device is connected with ozonizer; The mixed solution buffer zone of described O3 catalytic oxidation device bottom is connected with the water outlet of mixing jet device, the top of O3 catalytic oxidation device is connected with device for absorbing tail gas, O3 catalytic oxidation device inside is provided with multiple catalytic unit, and each catalytic unit from bottom to top comprises the titanium net of titanium net, particulate catalytic oxidant layer, ultraviolet lamp tube layer and area load fine catalyst successively; The inlet mouth of described gas-liquid separation device is connected with the water outlet above O3 catalytic oxidation device, and the air outlet of gas-liquid separation device is connected with device for absorbing tail gas; Described two-stage coagulation settling tank water-in is connected with the water outlet of gas-liquid separation device, and the water outlet of two-stage coagulation settling tank is connected with the water outlet for the treatment of system.
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| CN201420485016.1U CN204097234U (en) | 2014-08-26 | 2014-08-26 | A kind of organic wastewater with difficult degradation thereby treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609500A (en) * | 2015-01-19 | 2015-05-13 | 中国科学院过程工程研究所 | Ozone-photocatalysis reactor and water treatment method |
| CN108059232A (en) * | 2017-11-09 | 2018-05-22 | 大连大学 | A kind of method for purifying waste water |
| CN108675543A (en) * | 2018-06-27 | 2018-10-19 | 江苏苏宁新技术应用研究所 | A kind of low consumption catalytic separation device and waste water treatment system |
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2014
- 2014-08-26 CN CN201420485016.1U patent/CN204097234U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609500A (en) * | 2015-01-19 | 2015-05-13 | 中国科学院过程工程研究所 | Ozone-photocatalysis reactor and water treatment method |
| US10662095B2 (en) | 2015-01-19 | 2020-05-26 | Institute Of Process Engineering, Chinese Academy Of Sciences | Ozone-photocatalysis reactor and water treatment method |
| CN108059232A (en) * | 2017-11-09 | 2018-05-22 | 大连大学 | A kind of method for purifying waste water |
| CN108675543A (en) * | 2018-06-27 | 2018-10-19 | 江苏苏宁新技术应用研究所 | A kind of low consumption catalytic separation device and waste water treatment system |
| CN108675543B (en) * | 2018-06-27 | 2023-10-31 | 北京市惠全成环境治理工程有限责任公司 | Low-consumption catalytic separation device and wastewater treatment system |
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