CN204958648U - Ozone and biological nest processing technique combination treatment refractory wastewater equipment - Google Patents
Ozone and biological nest processing technique combination treatment refractory wastewater equipment Download PDFInfo
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- CN204958648U CN204958648U CN201520444900.5U CN201520444900U CN204958648U CN 204958648 U CN204958648 U CN 204958648U CN 201520444900 U CN201520444900 U CN 201520444900U CN 204958648 U CN204958648 U CN 204958648U
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Abstract
Ozone and biological nest processing technique combination treatment refractory wastewater equipment includes: good oxygen bionest (the bionest of system of oxygen deficiency: a biological nest reactor, be hereafter referred to as the bionest pond), the filtering pond, the retrieval and utilization pond, the multiple spot of one -way closed pipeline structure reactor is thrown with the formula reactor, the reactor anterior segment is equipped with H2O2 and throws the feeder apparatus, O3 throws the feeder apparatus, the middle section is equipped with mixed unit, the back end is equipped with react unit, the play water of reactor is connected with oxygen deficiency bionest pond through stable after, the delivery port and the good oxygen bionest pond in oxygen deficiency bionest pond are connected, the delivery port in good oxygen bionest pond is connected with the filtering pond, the delivery port in filtering pond is connected with the retrieval and utilization pond. The utility model has the advantages that utilize the synergism of ozone and hydrogen peroxide solution, produce the hydroxyl free radical and come the difficult biochemical material of oxidation, make the biodegradability of difficult biochemical material ring -opening, chain rupture improvement waste water, handle through biological nest again, reach emission standard.
Description
Technical field
The utility model relates to a kind of water treating equipment, particularly a kind of ozone and biological nest treatment technology combination treatment used water difficult to degradate equipment.
Background technology
Iron and steel enterprise is each production processes such as collection sintering, coking, ironmaking, steel-making, continuous casting, steel rolling mostly, and each production process all produces the trade effluent of amplification quantity side by side in process of production.Iron and steel enterprise's comprehensive wastewater has that water displacement is large, pollutent is complicated and the feature such as pollution load is large.In the past these waste water were drained into conventional water treatment system, along with the raising of national environmental protection department to wastewater discharge standard and the requirement of Sustainable Development of Enterprises, the recycle of water resources is extremely urgent.Further treatment technique solves the key that waste water can reach reuse requirement.
Because the comprehensive wastewater for carrying out advanced treatment is through the water outlet of biology aerobic process, BOD/COD (biochemical oxygen demand (BOD)/chemical oxygen demand (COD)) ratio of waste water is quite low, to reduce COD (chemical oxygen demand (COD)) value further, then must utilize effective treatment process.And reuse to ammonia nitrogen and total nitrogen index request all very high, the water outlet after routine biochemistry process mostly can not meet the demands.
High-level oxidation technology is divided into multiple, such as ozone oxidation, Fenton Fenton oxidation.Other advanced oxidation processes also have: electrochemical oxidation process, wet oxidation process, supercritical water oxidation method, photocatalytic oxidation, ultrasound oxidation technology etc.
Wherein on the market maximum are ozone and Fenton (Fenton).
Fenton (Fenton) method utilizes to utilize FeSO under sour environment
4react with hydrogen peroxide and generate hydroxyl radical free radical, utilize the technique of hydroxyl radical free radical and pollutant reaction.
Fenton's reaction at least needs four steps, comprises pH regulator (reaction must be carried out under acidity), reaction tower, pH neutralization tank, sludge treatment.A large amount of mud that Fenton process produces are shortcomings that of this method is very large, and finally the saltiness in water also can be made to increase, and are not suitable for the technique of reuse below especially.
Summary of the invention
Goal of the invention of the present utility model is the defect for existing in prior art, provides a kind of ozone and biological nest treatment technology combination treatment used water difficult to degradate equipment.
The utility model, by multi-point adding formula reactor, utilizes the synergy of ozone and hydrogen peroxide, produces hydroxyl radical free radical and is oxidized difficult biochemical substances, makes the biodegradability of difficult biochemical substances open loop, chain rupture raising waste water, and then enters Bionest bio-reactor.
Removed COD, ammonia nitrogen, the total nitrogen in waste water by anoxic Bionest pond and aerobic Bionest pond, make waste water final outflow water meet reuse and higher emission standard.
Bionest: a kind of biological nest reactor, it is the new bio treatment system (hereinafter referred to as Bionest pond) that is core with " porous biological filler ", adopt porous filler as the medium of reactive tank, improve the chance of suspended solids interception, medium as microorganic adhesion, propagation is amassed because providing immense surface, the biofilm microorganisms of a large amount of and specific group can be accumulated, contribute to reaching the object removing various pollutent.
The utility model comprises: multi-point adding formula reactor, anoxic Bionest pond, aerobic Bionest pond, filter tank, reuse pool, and it is characterized in that described multi-point adding formula reactor is one-way enclosed type pipeline configuration reactor, in reactor, leading portion is provided with H
2o
2throwing device, O
3throwing device, stage casing is provided with mixed cell, back segment is provided with reaction member, and reactor can allow medicament and waste water efficiently fully react.The water outlet of reactor is connected with anoxic Bionest pond after stable, the water outlet in anoxic Bionest pond is connected with aerobic Bionest pond, the water outlet in aerobic Bionest pond is connected with filter tank, and the water outlet in filter tank is connected with reuse pool, and reuse pool is provided with water outlet.
The O of described multi-point adding formula reactor
3throwing device is provided with ozone compress cell, ozone allocation units and power-driven pump supply unit.
The reactive tank in described anoxic Bionest pond, aerobic Bionest pond is floating bed mode reactive tank, and the medium of reactive tank is porous carrier medium, and porous biological carrier is granular lightweight polymeric material, density 28kg/m
3.Porous biological carrier improves the chance of suspended solids interception, provides immense surface to amass medium as microorganic adhesion, propagation, can accumulate the biofilm microorganisms of a large amount of and specific group, contribute to reaching the object removing various pollutent.
The carrier of the reactive tank in described anoxic Bionest pond, aerobic Bionest pond is can floating carrier, the open hole of porous biological carrier tool, aperture density 150-200pore/inch.
The utility model has the advantages that the synergy utilizing ozone and hydrogen peroxide, produce hydroxyl radical free radical and be oxidized difficult biochemical substances, make the biodegradability of difficult biochemical substances open loop, chain rupture raising waste water, then reach emission standard through the process of biological nest treatment technology.
Accompanying drawing explanation
Fig. 1 multi-point adding formula of the present utility model structure of reactor schematic diagram;
The left TV structure schematic diagram of Fig. 2 multi-point adding of the present utility model formula reactor;
Fig. 3 structural representation of the present utility model.
In figure: 1 multi-point adding formula reactor, 1-1 water-in, 1-2 water outlet, 1-3H
2o
2throwing device, 1-4O
3throwing device, 1-5 mixed cell, 1-6 reaction member, 3-1 anoxic Bionest pond water-in, 3 anoxic Bionest ponds, 4 aerobic Bionest ponds, 5 filter tanks, 6 reuse pools, 7 water outlets.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing:
See Fig. 1, Fig. 2, Fig. 3, the present embodiment is made up of multi-point adding formula reactor 1, anoxic Bionest pond 3, aerobic Bionest pond 4, filter tank 5, reuse pool 6.Multi-point adding formula reactor 1 is one-way enclosed type pipeline configuration reactor, and in multi-point adding formula reactor 1, leading portion is provided with H
2o
2throwing device 1-3, O
3throwing device 1-4, O
3throwing device 1-4 is provided with ozone compress cell, ozone allocation units and power-driven pump supply unit.Stage casing is provided with mixed cell 1-5, back segment is provided with reaction member 1-6, and multi-point adding formula reactor 1 can allow medicament and waste water efficiently fully react.The water outlet of multi-point adding formula reactor 1 is connected with the water-in 3-1 in anoxic Bionest pond 3 with after stable, the water outlet in anoxic Bionest pond 3 is connected with aerobic Bionest pond 4, the water outlet in aerobic Bionest pond 4 is connected with filter tank 5, the water outlet in filter tank 5 is connected with reuse pool 6, and reuse pool 6 is provided with water outlet 7.
The reactive tank in anoxic Bionest pond 3, aerobic Bionest pond 4 is floating bed mode reactive tank, and the medium of reactive tank is porous carrier medium, and porous biological carrier is granular lightweight polymeric material, density 28kg/m
3.Porous biological carrier improves the chance of suspended solids interception, provides immense surface to amass medium as microorganic adhesion, propagation, can accumulate the biofilm microorganisms of a large amount of and specific group, contribute to reaching the object removing various pollutent.The carrier of the reactive tank in anoxic Bionest pond 3, aerobic Bionest pond 4 is can floating carrier, the open hole of porous biological carrier tool, aperture density 150-200pore/inch.
Comprehensive wastewater, after front system process, is collected through collecting tank, is promoted subsequently and enters multi-point adding formula reactor 1, add O in reactor by lift pump
3and H
2o
2, make hardly degraded organic substance be able to open loop, chain rupture in multi-point adding formula ozone reactor 1, be converted into the small-molecule substance of easy biochemical degradation, improve B/C than also removing part COD simultaneously.Ozone adds should higher than influent waste water pressure to the pressure in reactor, and the Maximum Concentration of Ozone side produced higher than ozonizer when influent waste water pressure starts ozone compress cell.Water outlet is after stable, and the pollution substance in waste water is further degraded, and ozone and the hydrogen peroxide of incomplete reaction discharge completely.Waste water after stable pumps into anoxic Bionest pond 3, aerobic Bionest pond 4.
The effect in anoxic Bionest pond 3 is acidications, and degraded COD, changes the biodegradability of raw wastewater simultaneously, improves B/C.The nitrification liquid of system flowback utilizes carbon source in former water to carry out denitrification as electron donor at this, and NO3-N and NO2-N is reduced into nitrogen.Meanwhile, the organonitrogen in waste water is changed into NH at this by ammonifying bacteria
4-N, with the NH in raw wastewater
4-N enters aerobic Bionest pond 4 jointly.In aerobic Bionest pond 4, through the metabolism of aerobic microbiological, organic matter degradation is become CO
2, H
2o and mineral compound, under appropriate conditions, utilize the effect of nitrococcus and nitrifier, by the NH in waste water
4the nitrated one-tenth nitrate of-N or nitrite, then reach the object of denitrogenation by nitrated mixed solution inner circulating reflux to anoxic pond.
The water outlet gravity flow of aerobic Bionest pond 4 enters filter tank 5, and after removing the suspended substance in waste water after filtration, gravity flow enters reuse pool 6, and water outlet reaches discharge and reuse requirement.
Claims (4)
1. an ozone and biological nest treatment technology combination treatment used water difficult to degradate equipment, comprise: multi-point adding formula reactor, anoxic biological nest reactor, aerobe nest reactor, filter tank, reuse pool, it is characterized in that described multi-point adding formula reactor is one-way enclosed type pipeline configuration reactor, in reactor, leading portion is provided with H
2o
2throwing device, O
3throwing device, stage casing is provided with mixed cell, back segment is provided with reaction member, the water outlet of reactor is connected with anoxic biological nest reactor after stable, the water outlet of anoxic biological nest reactor is connected with aerobe nest reactor, the water outlet of aerobe nest reactor is connected with filter tank, the water outlet in filter tank is connected with reuse pool, and reuse pool is provided with water outlet.
2. ozone according to claim 1 and biological nest treatment technology combination treatment used water difficult to degradate equipment, is characterized in that the O of described multi-point adding formula reactor
3throwing device is provided with ozone compress cell, ozone allocation units and power-driven pump supply unit.
3. ozone according to claim 1 and biological nest treatment technology combination treatment used water difficult to degradate equipment, it is characterized in that described anoxic biological nest reactor, the reactive tank of aerobe nest reactor is floating bed mode reactive tank, the medium of reactive tank is porous carrier medium, porous biological carrier is granular lightweight polymeric material, density 28kg/m
3.
4. ozone according to claim 1 and biological nest treatment technology combination treatment used water difficult to degradate equipment, the carrier that it is characterized in that the reactive tank of described anoxic biological nest reactor, aerobe nest reactor is for can floating carrier, the open hole of porous biological carrier tool, aperture density 150-200pore/inch.
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|---|---|---|---|
| CN201520444900.5U CN204958648U (en) | 2015-06-25 | 2015-06-25 | Ozone and biological nest processing technique combination treatment refractory wastewater equipment |
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|---|---|---|---|
| CN201520444900.5U CN204958648U (en) | 2015-06-25 | 2015-06-25 | Ozone and biological nest processing technique combination treatment refractory wastewater equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117228A (en) * | 2016-11-29 | 2018-06-05 | 中国石油天然气股份有限公司 | The processing unit of saline sewage |
| CN111099715A (en) * | 2020-01-09 | 2020-05-05 | 麦王环境技术股份有限公司 | Plug flow type reactor based on multi-point feeding |
| CN111186897A (en) * | 2019-03-26 | 2020-05-22 | 麦王环境技术股份有限公司 | Plug flow type reactor and process based on multiphase oxidation water treatment technology |
-
2015
- 2015-06-25 CN CN201520444900.5U patent/CN204958648U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117228A (en) * | 2016-11-29 | 2018-06-05 | 中国石油天然气股份有限公司 | The processing unit of saline sewage |
| CN111186897A (en) * | 2019-03-26 | 2020-05-22 | 麦王环境技术股份有限公司 | Plug flow type reactor and process based on multiphase oxidation water treatment technology |
| CN111099715A (en) * | 2020-01-09 | 2020-05-05 | 麦王环境技术股份有限公司 | Plug flow type reactor based on multi-point feeding |
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