CN105858864A - Operation method of ozonation water treatment system and device - Google Patents

Operation method of ozonation water treatment system and device Download PDF

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Publication number
CN105858864A
CN105858864A CN201610358649.XA CN201610358649A CN105858864A CN 105858864 A CN105858864 A CN 105858864A CN 201610358649 A CN201610358649 A CN 201610358649A CN 105858864 A CN105858864 A CN 105858864A
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China
Prior art keywords
water
oxidation reaction
reaction tower
ozone oxidation
ozone
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CN201610358649.XA
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申战辉
彭格格
张淑展
史嘉璐
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Henan Normal University
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Henan Normal University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses an operation method of an ozonation water treatment system and a device, and belongs to the technical field of organic wastewater treatment. The ozonation water treatment system is characterized in that a water outlet in the bottom of a raw water tank is connected with a water inlet of a water distributor at the bottom of an ozonation reaction tower through a water inelt pump, an exhaust port is formed in the top of the ozonation reaction tower, the ozonation reaction tower is filled with contact filler, a header tank is arranged on the periphery of the upper portion of the ozonation reaction tower, sewage treated in the ozonation reaction tower overflows into the header tank through an overflow opening, a drainage opening of the header tank is communicated with a clear water tank, a water return opening in the bottom of the clear water tank is connected with a liquid inlet of a premixer through a reflux pump, a gas outlet of an ozonator is connected with a gas inlet of the premixer, and liquid outlet of the premixer is connected with the water inlet of the water distributor at the bottom of the ozonation reaction tower. The ozonation water treatment system has the advantages of being simple in structure, high in reaction speed, high in efficiency and small in energy consumption.

Description

The operation method of a kind of ozone oxidation water treatment system and device
Technical field
The invention belongs to technical field for the treatment of of organic waste, be specifically related to operation method and the device of a kind of ozone Oxidation Treatment system.
Background technology
Increasingly the water aggravated pollutes, and the living safety of the mankind is constituted significant threat, becomes the major obstacles of human health, economy and social sustainable development.Water pollution problems has become society urgent problem.
For the deficiency of conventional treatment process, various oxidation technologies arise at the historic moment.Wherein ozonation technology the most gradually causes the concern of people, its have be swift in response, flow process is simple and does not has the advantages such as secondary pollution problem.Ozone mainly has four effects greatly in water processes: sterilizing, aoxidize, decolour, taste removal and noresidue, its oxidability is only second to fluorine.In aqueous, ozone and organic reaction mechanism have ozone direct oxidation reaction and free radical indirect oxidation to react two kinds.Direct oxidation is reacted and can be divided into two ways: (1) electrophilic substitution reaction, occurs mainly in the position that cloud density in molecular structure is bigger;(2) dipolar addition reaction, ozone molecule has a dipole structure, therefore can carry out dipolar addition reaction during with organic molecule effect containing unsaturated bond.The reaction of free radical indirect oxidation can be roughly divided into two stages: one, produces free radical self decomposing of ozone;Two, the active construction unit in hydroxyl radical free radical and molecule reacts and causes radical chain reaction, and along with reaction is carried out, larger molecular organics decomposition and inversion is small organic molecule or by little molecule permineralization.Based on direct oxidation reaction in strong acid media, then react based on free radical indirect oxidation in alkaline medium.
The patent of invention of Application No. US8784669B2 discloses a kind of ozonation technology, in this invention, ozone reacts after mixing with the aqueous solution under pressure, ozone solubility in water is improve under pressurized conditions, thus improve organic degree of oxidation, sewage is enable to be directly discharged into environment or to carry out the disposal of deeper degree, but this inventive structure is complicated, and energy consumption is bigger.The patent of invention of Application No. CN201310446211.3 discloses a kind of method of waste water treatment by ozone oxidation, pending waste water, homogeneous catalyst and ozone are carried out mixed processing by the method, and make this contact with filler through the waste water system of mixed processing, the method improves reaction efficiency, significantly improve the treatment effect of waste water and treatment effect is stable, but processing procedure has waste residue and produces and whole process is the longest.
Summary of the invention
Present invention solves the technical problem that there is provided a kind of simple in construction, the operation method of reaction rate is fast, treatment effeciency is high and energy consumption is relatively low ozone oxidation water treatment system and device, this device can the effective organic matter in degradation of organic waste water, it is achieved the efficient process of organic wastewater.
nullThe present invention solves that above-mentioned technical problem adopts the following technical scheme that,A kind of operation method of ozone oxidation water treatment system,It is characterized in that: organic wastewater enters former pond after second pond,The water-locator that organic wastewater is extracted through ozone oxidation reaction tower bottom by intake pump from former pond enters ozone oxidation reaction tower,After clear water entrance premixer premix in the ozone of ozone generator output simultaneously and reflux pump extraction clear water reserviors, the water-locator through ozone oxidation reaction tower bottom enters ozone oxidation reaction tower,This premixer is for diluting the organic concentration in the water outlet of former pond to improve the organic efficiency of ozone oxidation in ozone oxidation reaction tower,Enter the premix waste water in ozone oxidation reaction tower and contact filling surface that ozone is upwards ejected within ozone oxidation reaction tower by the water-locator of ozone oxidation reaction tower bottom carries out oxidation reaction,The premix waste water time of staying in ozone oxidation reaction tower is 10-45 minute,The gas that oxidation reaction produces is discharged by the exhaust outlet of ozone oxidation reaction top of tower,Waste water after process enters the water leg of ozone oxidation reaction tower top peripheral by overflow,Waste water after processing in water leg is by the discharge outlet input clear water reserviors being arranged on water leg.
Further preferably, the operation method of described ozone oxidation water treatment system, it is characterized in that carrying out practically process is: city domestic sewage enters former pond after second pond, the water-locator that sewage is extracted through ozone oxidation reaction tower bottom by intake pump from former pond enters ozone oxidation reaction tower, and the flow of regulation intake pump is 30m3/ h, after the clear water entrance premixer premix in the ozone of ozone generator output simultaneously and reflux pump extraction clear water reserviors, the water-locator through ozone oxidation reaction tower bottom enters ozone oxidation reaction tower, and the flow regulating reflux pump is 4m3The output ozone amount of/h and ozone generator is 50g/h, enter the premix sewage in ozone oxidation reaction tower and contact filling surface that ozone is upwards ejected within ozone oxidation reaction tower by the water-locator of ozone oxidation reaction tower bottom carries out oxidation reaction, controlling Water discharge flow speed by the power of regulation water-locator motor is 0.12m/s, the premix waste water time of staying in ozone oxidation reaction tower is 30 minutes, the gas that oxidation reaction produces is discharged by the exhaust outlet of ozone oxidation reaction top of tower, waste water after process enters the water leg of ozone oxidation reaction tower top peripheral by overflow, waste water after processing in water leg is by the discharge outlet input clear water reserviors being arranged on water leg.
nullOzone oxidation water treatment system of the present invention,It is characterized in that including former pond、Intake pump、Ozone oxidation reaction tower、Contact filler、Water leg、Clear water reserviors、Reflux pump、Ozone generator and premixer,Its Central Plains basin bottom delivery port is connected by the water inlet of intake pump with ozone oxidation reaction tower bottom water-locator,The top of ozone oxidation reaction tower is provided with exhaust outlet,The inside of ozone oxidation reaction tower is filled with contact filler,The top peripheral of ozone oxidation reaction tower is provided with water leg,Sewage after processing in ozone oxidation reaction tower enters water leg by overfall overflow,The discharge outlet of this water leg is connected with clear water reserviors,Water return outlet bottom clear water reserviors is connected with the inlet of premixer by reflux pump,The gas outlet of ozone generator is connected with the air inlet of premixer,The liquid outlet of premixer is connected with the water inlet of ozone oxidation reaction tower bottom water-locator.
Further preferably, described contact filler is polyhedron empty ball filler.
Further preferably, the superstructure of described ozone oxidation reaction tower is inverted cone, and substructure is cylinder, and overfall thereon is arranged at ozone oxidation reaction tower from up to down at 1/5, and water leg is provided with two discharge outlet.
The present invention compared with prior art has the advantages that (1) fills the contact surface area increasing ozone with reactant aqueous solution in ozone oxidation reaction tower with filler, improves the utilization rate of ozone;(2) being provided with premixer in system, clear water is pre-mixed at this with ozone, by the organic concentration in the regulation clear water suitable dilute sewage of water inlet ratio with sewage, thus improves organic matter degradation rate;(3) upper end at ozone oxidation reaction device is provided with overfall, gas-liquid separation is thorough, it is to avoid water overflows from top exhaust outlet and gas overflows from discharge outlet;(4) whole system simple in construction, but remain to produce a desired effect, less compared to prior art energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water treatment device by ozone oxidation of the present invention.
In figure: 1, former pond, 2, intake pump, 3, ozone oxidation reaction tower, 4, overfall, 5, contact filler, 6, water leg, 7, clear water reserviors, 8, reflux pump, 9, ozone generator, 10, premixer.
Detailed description of the invention
Being described in further details the foregoing of the present invention by the following examples, but this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, all technology realized based on foregoing of the present invention belong to the scope of the present invention.
Embodiment
nullThe ozone oxidation water treatment system of the present invention includes former pond 1、Intake pump 2、Ozone oxidation reaction tower 3、Contact filler 5、Water leg 6、Clear water reserviors 7、Reflux pump 8、Ozone generator 9 and premixer 10,Bottom former pond 1, delivery port is connected with the water inlet of water-locator bottom ozone oxidation reaction tower 3 by intake pump 2,The top of ozone oxidation reaction tower 3 is provided with exhaust outlet,The inside of ozone oxidation reaction tower 3 is filled with polyhedron empty ball contact filler 5,The top peripheral of ozone oxidation reaction tower 3 is provided with water leg 6,Sewage after processing in ozone oxidation reaction tower 3 enters water leg 6 by overfall 4 overflow,The superstructure of ozone oxidation reaction tower 3 is inverted cone,Substructure is cylinder,Overfall 4 thereon is arranged at ozone oxidation reaction tower 3 from up to down at 1/5,Water leg 6 is provided with two discharge outlet,The discharge outlet of water leg 6 is connected with clear water reserviors 7,Water return outlet bottom clear water reserviors 7 is connected by the inlet of reflux pump 8 with premixer 10,The gas outlet of ozone generator 9 is connected with the air inlet of premixer 10,The liquid outlet of premixer 10 is connected with the water inlet of water-locator bottom ozone oxidation reaction tower 3.
Intake pump 2 is by the 65ZW30-18 type Self-priming sewage pump of Shanghai Run Ji plant equipment Co., Ltd supply, flow 30m3/ h, lift 18m, rotating speed 1450r/min, can extract out sewage and be delivered to ozone oxidation reaction tower 3.Ozone oxidation reaction tower 3 is that specification is Φ 600-Φ 3600 by the LR-HL model ozone mixing column of Yancheng Lang Run Environmental Protection Technology Co., Ltd supply.Contact filler 5 is that specification is Φ 50mm by the polypropylene polyhedron empty ball filler of Ming Yang Filler for water purification factory of Gongyi City supply.Reflux pump 8 is supplied by Shanghai Run Ji plant equipment Co., Ltd ISG25-125 type centrifugal pipeline pump, flow is 4m3/ h, lift 20m, rotating speed 2900r/min.Ozone generator 9 is by the SY-60 type ozone generator of Guangzhou three Europe Environmental Protection Technology Co., Ltd supply, ozone output 60g/h, power 2.1kw.Former pond 1 and the longest 7m of clear water reserviors 7, wide 5m, high 4m.Premixer 10 is to be converged by Shenzhen and the HHQ type pipe-line mixer of Hua Sen Environmental Protection Technology Co., Ltd supply.
The carrying out practically process of the present invention is: city domestic sewage enters former pond (COD≤50) after second pond, the water-locator that sewage is extracted through ozone oxidation reaction tower bottom by intake pump from former pond enters ozone oxidation reaction tower, and the flow of regulation intake pump is 30m3/ h, after the clear water entrance premixer premix in the ozone of ozone generator output simultaneously and reflux pump extraction clear water reserviors, the water-locator through ozone oxidation reaction tower bottom enters ozone oxidation reaction tower, and the flow regulating reflux pump is 4m3The output ozone amount of/h and ozone generator is 50g/h, enter the premix sewage in ozone oxidation reaction tower and contact filling surface that ozone is upwards ejected within ozone oxidation reaction tower by the water-locator of ozone oxidation reaction tower bottom carries out oxidation reaction, controlling Water discharge flow speed by the power of regulation water-locator motor is 0.12m/s, the premix waste water time of staying in ozone oxidation reaction tower is 30 minutes, the gas that oxidation reaction produces is discharged by the exhaust outlet of ozone oxidation reaction top of tower, waste water after process enters the water leg of ozone oxidation reaction tower top peripheral by overflow, waste water after processing in water leg is by the discharge outlet input clear water reserviors being arranged on water leg, water in clear water reserviors reaches discharge standard and is capable of commercial Application.
Embodiment above describes the general principle of the present invention, principal character and advantage; skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and specification; under the scope without departing from the principle of the invention; the present invention also has various changes and modifications, and these changes and improvements each fall within the scope of protection of the invention.

Claims (5)

  1. null1. the operation method of an ozone oxidation water treatment system,It is characterized in that: organic wastewater enters former pond after second pond,The water-locator that organic wastewater is extracted through ozone oxidation reaction tower bottom by intake pump from former pond enters ozone oxidation reaction tower,After clear water entrance premixer premix in the ozone of ozone generator output simultaneously and reflux pump extraction clear water reserviors, the water-locator through ozone oxidation reaction tower bottom enters ozone oxidation reaction tower,This premixer is for diluting the organic concentration in the water outlet of former pond to improve the organic efficiency of ozone oxidation in ozone oxidation reaction tower,Enter the premix waste water in ozone oxidation reaction tower and contact filling surface that ozone is upwards ejected within ozone oxidation reaction tower by the water-locator of ozone oxidation reaction tower bottom carries out oxidation reaction,The premix waste water time of staying in ozone oxidation reaction tower is 10-45 minute,The gas that oxidation reaction produces is discharged by the exhaust outlet of ozone oxidation reaction top of tower,Waste water after process enters the water leg of ozone oxidation reaction tower top peripheral by overflow,Waste water after processing in water leg is by the discharge outlet input clear water reserviors being arranged on water leg.
  2. The operation method of ozone oxidation water treatment system the most according to claim 1, it is characterized in that carrying out practically process is: city domestic sewage enters former pond after second pond, the water-locator that sewage is extracted through ozone oxidation reaction tower bottom by intake pump from former pond enters ozone oxidation reaction tower, and the flow of regulation intake pump is 30m3/ h, after the clear water entrance premixer premix in the ozone of ozone generator output simultaneously and reflux pump extraction clear water reserviors, the water-locator through ozone oxidation reaction tower bottom enters ozone oxidation reaction tower, and the flow regulating reflux pump is 4m3The output ozone amount of/h and ozone generator is 50g/h, enter the premix sewage in ozone oxidation reaction tower and contact filling surface that ozone is upwards ejected within ozone oxidation reaction tower by the water-locator of ozone oxidation reaction tower bottom carries out oxidation reaction, controlling Water discharge flow speed by the power of regulation water-locator motor is 0.12m/s, the premix waste water time of staying in ozone oxidation reaction tower is 30 minutes, the gas that oxidation reaction produces is discharged by the exhaust outlet of ozone oxidation reaction top of tower, waste water after process enters the water leg of ozone oxidation reaction tower top peripheral by overflow, waste water after processing in water leg is by the discharge outlet input clear water reserviors being arranged on water leg.
  3. null3. an ozone oxidation water treatment system,It is characterized in that including former pond、Intake pump、Ozone oxidation reaction tower、Contact filler、Water leg、Clear water reserviors、Reflux pump、Ozone generator and premixer,Its Central Plains basin bottom delivery port is connected by the water inlet of intake pump with ozone oxidation reaction tower bottom water-locator,The top of ozone oxidation reaction tower is provided with exhaust outlet,The inside of ozone oxidation reaction tower is filled with contact filler,The top peripheral of ozone oxidation reaction tower is provided with water leg,Sewage after processing in ozone oxidation reaction tower enters water leg by overfall overflow,The discharge outlet of this water leg is connected with clear water reserviors,Water return outlet bottom clear water reserviors is connected with the inlet of premixer by reflux pump,The gas outlet of ozone generator is connected with the air inlet of premixer,The liquid outlet of premixer is connected with the water inlet of ozone oxidation reaction tower bottom water-locator.
  4. Ozone oxidation water treatment system the most according to claim 3, it is characterised in that described contact filler is polyhedron empty ball filler.
  5. Ozone oxidation water treatment system the most according to claim 3, the superstructure that it is characterized in that described ozone oxidation reaction tower is inverted cone, substructure is cylinder, and overfall thereon is arranged at ozone oxidation reaction tower from up to down at 1/5, and water leg is provided with two discharge outlet.
CN201610358649.XA 2016-05-27 2016-05-27 Operation method of ozonation water treatment system and device Pending CN105858864A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517619A (en) * 2017-01-03 2017-03-22 吉林师范大学 Device and method for treating organic wastewater by sound, light and ozone coupling
CN107445288A (en) * 2017-09-26 2017-12-08 江苏阿拉丁环保科技有限公司 A kind of sewage ozone-oxidizing device
CN108675434A (en) * 2018-06-22 2018-10-19 杭州深瑞水务有限公司 A kind of cycle wet oxidation system
CN109019824A (en) * 2018-09-17 2018-12-18 北京南科大蓝色科技有限公司 A kind of efficiently catalyzing and oxidizing organic wastewater treating system

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CN104671389A (en) * 2014-06-25 2015-06-03 上海世渊环保科技有限公司 Ozone oxidation treatment device of wastewater

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517619A (en) * 2017-01-03 2017-03-22 吉林师范大学 Device and method for treating organic wastewater by sound, light and ozone coupling
CN107445288A (en) * 2017-09-26 2017-12-08 江苏阿拉丁环保科技有限公司 A kind of sewage ozone-oxidizing device
CN108675434A (en) * 2018-06-22 2018-10-19 杭州深瑞水务有限公司 A kind of cycle wet oxidation system
CN109019824A (en) * 2018-09-17 2018-12-18 北京南科大蓝色科技有限公司 A kind of efficiently catalyzing and oxidizing organic wastewater treating system
CN109019824B (en) * 2018-09-17 2021-08-27 深圳市南科大资产经营管理有限公司 High-efficient catalytic oxidation organic wastewater treatment system

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Application publication date: 20160817