CN206337111U - A kind of composite catalytic oxidation UF membrane wastewater treatment integrating device - Google Patents
A kind of composite catalytic oxidation UF membrane wastewater treatment integrating device Download PDFInfo
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- CN206337111U CN206337111U CN201621347633.0U CN201621347633U CN206337111U CN 206337111 U CN206337111 U CN 206337111U CN 201621347633 U CN201621347633 U CN 201621347633U CN 206337111 U CN206337111 U CN 206337111U
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- catalytic oxidation
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Abstract
The utility model provides a kind of composite catalytic oxidation UF membrane wastewater treatment integrating device, including air and liquid mixer, composite catalytic oxidation reactor, energy field generating means, purpose ceramic-film filter；The liquid outlet of the air and liquid mixer connects the composite catalytic oxidation reactor, sets energy field generating means to set on the composite catalytic oxidation reactor, and the wastewater outlet of composite catalytic oxidation reactor connects the purpose ceramic-film filter；Purpose ceramic-film filter is provided with concentrated water outlet and wastewater outlet up to standard, and the concentrated water outlet is connected with cyclic water tank.In device of the present utility model, comprising an air and liquid mixer, micro-nano bubble can be produced, the apparent solubility of useless ozone in water and oxygen is effectively improved, improves the catalysis oxidation efficiency.Using energy field generating means, in composite catalytic oxidation reactor cooperative effect occurs for wherein microwave, ultrasound, catalyst, oxidant, improves degradation rate of the oxidant to pollutant.
Description
Technical field
The utility model belongs to field of waste water treatment, and in particular to the processing method and processing dress of a kind of used water difficult to degradate
Put.
Background technology
As the modern industry, especially Coal Chemical Industry, petrochemical industry, fine chemistry industry, textile printing and dyeing, medical agricultural chemicals, slurrying are made
The industries such as paper are developed rapidly, and various organic wastewater with difficult degradation thereby are increasing, and these waste water generally have that pollutant concentration is high, poison
The characteristics of property is big, biodegradability is poor, severe contamination water body environment, is detrimental to health.This kind of industrial wastewater is by conventional thing
After change, biochemical two stage treatment, still containing a large amount of poisonous, bio-refractory organic pollutions, it is necessary to further advanced treating in waste water
Could qualified discharge standard or reuse requirement.Therefore, exploitation advanced treatment of industrial waste water technology is to water-saving and emission-reducing and environmental protection
It is significant.
For this kind of used water difficult to degradate, domestic and international existing treatment technology includes enhanced biodegradation, coagulation, absorption, film
Separation and high-level oxidation technology etc..Biochemical method speed is slow, it is necessary to larger process space, and to high, the water outlet that enters water requirement
It is not sufficiently stable, and it is low for some hardly degraded organic substance removal efficiency；Coagulation Method is to hydrophily pollutant and small organic molecule
Removal efficiency is low；Absorption method has certain selectivity to pollutant, and needs adsorbent reactivation, there are problems that secondary pollution；Film
Technology can effectively remove most of pollutant in water removal, but concentrated water process problem and membrane pollution problem restrict the technology in waste water
Application in terms of processing.
High-level oxidation technology passes through it using the very strong hydroxyl radical free radical oxidation water pollutant of the oxidability produced
A series of pilot process, ultimately generate CO2 and other inorganic ions.High-level oxidation technology includes catalytic ozonation, photocatalysis
Oxidation, Fenton oxidation, electrochemical oxidation, ultrasonic cavitation, microwave catalysis oxidation and supercritical oxidation etc..To solve single height
Limitation of the level oxidation technology in terms of technology and economy, combined oxidation technology is used as a kind of effective Sewage advanced treatment skill
Art is just received more and more attention, and especially bio-refractory is poisonous, harmful organic contaminants process field, is reasonably being thrown
Money and operating cost in the case of, can effective guarantee standard water discharge, be increasingly becoming a kind of new trend of high-level oxidation technology.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of for refractory wastewater
The integrating device of composite catalytic oxidation-UF membrane, so as to improve oxidant utilization ratio, improve the degradation efficiency of pollutant, carry
The high catalyst rate of recovery and alleviation fouling membrane, extend the film replacement cycle.
The technical scheme for realizing the utility model purpose is：
A kind of composite catalytic oxidation-UF membrane wastewater treatment integrating device, including air and liquid mixer, composite catalytic oxidation are anti-
Answer device, energy field generating means, purpose ceramic-film filter；
The liquid outlet of the air and liquid mixer connects the composite catalytic oxidation reactor, in the composite catalytic oxidation
The energy field generating means is set on reactor, and the wastewater outlet of the composite catalytic oxidation reactor connects the ceramic membrane
Filter；
The purpose ceramic-film filter is provided with concentrated water outlet and wastewater outlet up to standard, and the concentrated water outlet is connected with recirculated water
Case, the wastewater outlet up to standard connects surge tank by counter-flushing pipeline；The surge tank is connected with air compressor machine, the surge tank
It is provided with setting surge tank vent valve on gas exhaust piping, gas exhaust piping.
Wherein, the air and liquid mixer is provided with waste water inlet, mixed gas import, dioxygen water inlet, and the waste water enters
The mouth connection cyclic water tank；The mixed gas import connects ozone generator.
Further, the cyclic water tank is also associated with influent waste water pipeline and catalyst throwing device.
Wherein, microwave generator and supersonic generator are integrated with the energy field generating means.
Wherein, the wastewater outlet up to standard of the purpose ceramic-film filter is also associated with water tank, and the water tank is provided with out
Gas port, the gas outlet is connected with exhaust gas processing device.Water tank is provided with delivery port in bottom, and top is closing, and gas is received
Collection is emptied again after being uniformly processed.
Wherein, tubular ceramic membrane module or plate type ceramic membrane module are provided with the purpose ceramic-film filter, ceramic membrane
Aperture is 0.02~0.5 μm.
Using the utility model proposes device, applied to the method for composite catalytic oxidation-UF membrane of used water difficult to degradate,
Comprise the following steps：
S1, is passed through gas-liquid by the mixed gas of the waste water containing suspended state catalyst, ozone and oxygen, hydrogen peroxide and mixes jointly
Gas-liquid mixed is carried out in clutch, substantial amounts of microbubble, dissolved oxygen and dissolved ozone are formed in waste water；
S2, the waste water for leaving air and liquid mixer is passed through composite catalytic oxidation reactor, while passing through energy field generating means
To described composite catalytic oxidation reactor input energy；It is under catalyst and energy field collective effect that dissolved oxygen is further
Ozone is converted into, dissolved ozone, hydrogen peroxide are further converted to hydroxyl radical free radical, Recalcitrant chemicals oxidation in waste water is gone
Remove；Ultrasonic wave and microwave occur simultaneously for the energy field generating means；
S3, by the waste water for leaving composite catalytic oxidation reactor by purpose ceramic-film filter progress filtration treatment, will transmit through
The water outlet containing oxygen and a small amount of ozone of purpose ceramic-film filter carries out gas-liquid separation, and standard water discharge is discharged, and gas is after processing
Emptying, after being mixed by the discharge of the film concentrated water containing suspended state catalyst of non-permeation ceramic membrane filter and with pending waste water,
Step S1 is returned to as the waste water containing suspended state catalyst, to realize the recycling of catalyst.
Wherein, in step S1, the catalyst is nano titanium oxide, Powdered Activated Carbon, powder gama-alumina, powder
0.2~2g of catalyst is added in one or more in zeolite molecular sieve, every liter of waste water.
Wherein, in step S1, the flow proportional of waste water and mixed gas is 1：2~5.
Wherein, in step S1, the mass volume ratio of ozone is 2~40mg/L into the mixture of air and liquid mixer, double
The mass volume ratio of oxygen water is 20~100mg/L (hydrogen peroxide is based on pure material).
Wherein, in step S2, relative to the flow of 10 liters of waste water per hour, the power of the energy field generating means is 10
~200W.
Wherein, in step S3, in the purpose ceramic-film filter aperture of ceramic membrane be 0.02~0.5 μm, during filtering across
Mould difference is 0.1~0.5MPa.
Purpose ceramic-film filter often by being backwashed for 3~10 minutes with air.
The flocculant added during the coagulation can be polyacrylamide, aluminium polychloride, polyaluminium sulfate, poly
One or more in acid anhydride, poly aluminium sulfate iron, aluminium polychloride.
The beneficial effects of the utility model are：
(1) in the device that the refractory wastewater method that the utility model is provided is used, a gas-liquid mixed is included
Device, can produce micro-nano bubble, effectively improve the apparent solubility of useless ozone in water and oxygen, be conducive to improving catalysis oxidation
Efficiency.
(2) the utility model proposes a kind of energy field generating means, can produce ultrasound and microwave, wherein microwave, ultrasound,
Cooperative effect occurs in composite catalytic oxidation reactor for catalyst, oxidant, micro-nano oxygen bubbles therein and micro-nano smelly
Oxygen bubbles, under super Burning in Effect of Sound Energy can rapid disruption, Strong oxdiative decomposition is produced to pollutant, and microwave energy field can
The activation energy of the pollutant of catalyst surface absorption is reduced, is conducive to improving degradation rate of the oxidant to pollutant.It is compound to urge
Oxidation device can by for example various toxic pollutants of Pollutants in Wastewater, coloring matter, have smelly pollutant exhaustive oxidation
Into carbon dioxide, inorganic salts and water, additionally it is possible to which the microorganism such as virus, bacterium is thoroughly killed, and by waste water can oxygen
The poisonous inorganic matter changed is converted into innocuous substance, realizes the removal to the poisonous and harmful substance in waste water.
(3) the utility model can decompose ceramic membrane surface formation by adding the oxidants such as ozone and/or hydrogen peroxide
Organic pollution, effectively alleviates fouling membrane, extends the film replacement cycle.
(4) the utility model can be made full use of the oxygen of ozone/oxygen mixture by energy field invigoration effect,
And unemployed oxygen progress ozone preparation section can be effectively reclaimed, ozone generator can be prepared to the electricity of oxygen process
Depletion is low by more than 80%.
Brief description of the drawings
Fig. 1 is a kind of composite catalytic oxidation-UF membrane integrating device for refractory wastewater of the present utility model
Structural representation；
In figure,
1- inlet water tanks；2- cyclic water tanks；3- air and liquid mixers；4- ozone generators；5- dioxygen water storage tanks；6- composite catalyzings
Oxidation reactor；7- energy field generating means；8- purpose ceramic-film filters；9- surge tanks；10- air compressor machines；11- water tanks；12- tails
Flash Gas Compression Skid System；13- intake pumps；14- water intaking valves；15- feed water flow gauge；16- catalyst adds mouth；17- cyclic water tank liquid levels
Meter；18- back water pumps；19- back-water valve (BWV)s；20- return flow meters；21- intake valves；22- gas flowmeters；23- dosing pumps；24- adds
Medicine valve；25- dosing flowmeters；26- surge tank air bleeding valves；27- air compressor machine air outlet valves；28- film device outlet valves；29- goes out current
Gauge；30- draining valves；31- water tank liquid level gauges.
Embodiment
Technical solutions of the utility model are further illustrated with specific embodiment below.Those skilled in the art should know
Dawn, embodiment is merely to illustrate the utility model, is not used in limitation scope of the present utility model.
In embodiment, unless otherwise instructed, technological means used is this area conventional technology.
Embodiment 1：
Referring to Fig. 1, a kind of composite catalytic oxidation-membrane separation device for used water difficult to degradate, including gas-liquid mixed
Device 3, composite catalytic oxidation reactor 6, energy field generating means 7, purpose ceramic-film filter 8；
The liquid outlet connection composite catalytic oxidation reactor 6 of air and liquid mixer 3, energy field generating means 7 is arranged on institute
State on composite catalytic oxidation reactor, the wastewater outlet of the composite catalytic oxidation reactor 6 connects the purpose ceramic-film filter
6；Microwave generator and supersonic generator are integrated with energy field generating means 7.
The purpose ceramic-film filter is provided with concentrated water outlet and wastewater outlet up to standard, and the concentrated water outlet is connected with recirculated water
Cyclic water tank liquid level gauge 17 is set in case 2, cyclic water tank；The wastewater outlet up to standard connects surge tank 9 by counter-flushing pipeline
With water tank 11；The surge tank, which is connected with air compressor machine 10, air compressor machine connecting line, sets air compressor machine air outlet valve 27；It is described slow
Rush tank and be provided with setting surge tank air bleeding valve 26 on gas exhaust piping, gas exhaust piping.Wastewater outlet up to standard connects the pipe of water tank 11
Film device outlet valve 28 and water flow meter 29 are set on road.
Air and liquid mixer 3 is provided with waste water inlet, mixed gas import, dioxygen water inlet, and the waste water inlet connects institute
State and back water pump 18, back-water valve (BWV) 19, return flow meter 20 are set on cyclic water tank 2, connecting line；Cyclic water tank 2 sets catalyst
Add mouth 16, be also associated with influent waste water pipeline.In the present embodiment, influent waste water pipeline connection inlet water tank 1, influent waste water pipeline
Upper setting intake pump 13, water intaking valve 14 and feed water flow gauge 15.
The mixed gas import to connect and be provided with intake valve 21, gas flowmeter in ozone generator 4, the gas circuit of connection
22。
The wastewater outlet up to standard of purpose ceramic-film filter 8 is connected with water tank 11, inside there is water tank liquid level gauge 31, bottom connection
Outlet conduit on set outlet valve 30；Water tank 11 is provided with gas outlet, and the gas outlet is connected with exhaust gas processing device 12.
Water tank is provided with delivery port in bottom, and top is closing, and gas collection is emptied again after being uniformly processed.
It is used to handle dyeing waste water bio-chemical effluent using above-mentioned composite catalytic oxidation-UF membrane integrating device, condition is as follows：
Flow of inlet water is 10L/h, CODCr=121mg/L, pH=7.2, catalyst are nanoscale TiO2, average grain diameter is 25nm, catalysis
Agent addition is 1.5g/L waste water.Can field of force generating means power output be 150W (ultrasonic power 100W, the power of microwave
50W), mixed gas flow is 0.5L/min, and into the ozone/oxygen gas admixture of gas of air and liquid mixer, ozone concentration is
23mg/L, hydrogen peroxide addition is 60mg/L (based on hydrogen peroxide pure material).
Tubular ceramic membrane is selected in purpose ceramic-film filter, ceramic membrane average pore size is 0.5 μm, and transmembrane pressure is 0.2MPa,
Air recoil washes pressure for 0.5MPa, and backwashing period is 5min, and backwashing time is 10s, and evacuation time is 5s.
Dyeing waste water is handled using the device of the present embodiment, membrane flux is more than 800L/m3H, solid catalyst rejection>
99.9%, 10h is continuously run, average water outlet water quality index is as follows：CODCr=35mg/L, pH=8.1, colourity<10 times, SS<
COD in 5mg/L, water outletCr, pH, SS and chromaticity index meet HJ 471-2009《Textile dyeing and finishing projects for treating industrial wastewater technology
Specification》The requirement of middle quality of reused water.
Embodiment 2
The present embodiment device is used for Treatment of Wastewater in Coking bio-chemical effluent, and condition is as follows：Flow of inlet water is 10L/h, raw water
CODCr=112mg/L, pH=7.4, catalyst are Powdered Activated Carbon, and catalyst loading is 0.5g/L waste water, can field of force generation
Device power output is 25W (ultrasonic power 10W, the power 15W of microwave), and mixed gas flow is 0.2L/min, into gas
In the ozone/oxygen gas admixture of gas of liquid mixer, ozone concentration is 4.3mg/L, and hydrogen peroxide addition is 30mg/L.
Tubular ceramic membrane is selected in purpose ceramic-film filter, the average pore size of ceramic membrane is 0.05 μm.Transmembrane pressure is
0.3MPa, air recoil washes pressure for 0.5MPa, and backwashing period is 5min, and backwashing time is 10s, and evacuation time is 5s,
Other set be the same as Example 1.
Using the device Treatment of Wastewater in Coking bio-chemical effluent of the present embodiment, membrane flux is more than 300L/m3H, solid catalyst
Rejection>99.98%, the water outlet after said apparatus is handled enters BAF, and the residence time is 2h, continuous processing
20h, the average water quality index of water outlet is as follows：CODCr=29mg/L, pH=8.1, colourity<10 times, SS<10mg/L, in water outlet
CODCr, pH, SS and chromaticity index are met《Coking chemistry emission of industrial pollutants standard》Table 2 is straight in (GB 16171-2012)
Connect emission limit requirement.
Embodiment 3
The composite catalytic oxidation of the present embodiment-UF membrane integrating device is used to handle brewed spirit wastewater biochemical water outlet, bar
Part is as follows：Flow of inlet water is 10L/h, raw water CODCr=132mg/L, and pH=7.8, catalyst is powdery zeolite molecular sieve, catalysis
Agent addition is 0.5g/L waste water, and energy field generating means power output is 10W (ultrasonic power 5W, the power 5W of microwave),
Mixed gas flow is 0.5L/min, and into the ozone/oxygen gas admixture of gas of air and liquid mixer, ozone concentration is 4.3mg/
L, hydrogen peroxide addition is 30mg/L.Plate type ceramic film is selected in purpose ceramic-film filter, the average pore size of ceramic membrane is 0.5 μm,
Transmembrane pressure is 0.25MPa, and air recoil washes pressure for 0.5MPa, and backwashing period is 5min, and backwashing time is 10s, row
The gas time is 5s.Other set be the same as Example 1.
Malting effluent bio-chemical effluent is handled using the device of the present embodiment, membrane flux is more than 800L/m3H, solid catalyst
Rejection>99.9%, the water outlet after said apparatus is handled is into biological activated carbon processing, and the residence time is 2h, continuous processing
20h, the average water quality index of water outlet is as follows：CODCr=35mg/L, pH=8.1, colourity<10 times, SS<10mg/L, in water outlet
CODCr, pH, SS and chromaticity index meet《Fermentation alcohol and Liquor-making industry pollution discharge standard》In (GB 27631-2011)
The requirement of the direct emission limit of table 3.
Embodiment above is only that embodiment of the present utility model is described, not to the utility model
Scope be defined, those skilled in the art can also do numerous modifications and variations on the basis of existing technology, not depart from
On the premise of the utility model design spirit, what this area ordinary skill technical staff made to the technical solution of the utility model
All variations and modifications, all should fall into the protection domain that claims of the present utility model are determined.
Claims (6)
1. a kind of composite catalytic oxidation-UF membrane wastewater treatment integrating device, it is characterised in that including air and liquid mixer, be combined
Catalyst oxidation reactor, energy field generating means, purpose ceramic-film filter；
The liquid outlet of the air and liquid mixer connects the composite catalytic oxidation reactor, in composite catalytic oxidation reaction
The energy field generating means is set to set on device, the wastewater outlet of the composite catalytic oxidation reactor connects the ceramic membrane
Filter；
The purpose ceramic-film filter is provided with concentrated water outlet and wastewater outlet up to standard, and the concentrated water outlet is connected with cyclic water tank,
The wastewater outlet up to standard connects surge tank by counter-flushing pipeline；The surge tank is connected with air compressor machine, and the surge tank is set
It is equipped with setting surge tank vent valve on gas exhaust piping, gas exhaust piping.
2. composite catalytic oxidation according to claim 1-UF membrane wastewater treatment integrating device, it is characterised in that described
Air and liquid mixer is provided with waste water inlet, mixed gas import, dioxygen water inlet, and the waste water inlet connects the recirculated water
Case；The mixed gas import connects ozone generator.
3. composite catalytic oxidation according to claim 2-UF membrane wastewater treatment integrating device, it is characterised in that described
Cyclic water tank is also associated with influent waste water pipeline and catalyst throwing device.
4. composite catalytic oxidation according to any one of claims 1 to 3-UF membrane wastewater treatment integrating device, its feature
It is to be integrated with microwave generator and supersonic generator in the energy field generating means.
5. composite catalytic oxidation according to any one of claims 1 to 3-UF membrane wastewater treatment integrating device, its feature
It is that the wastewater outlet up to standard of the purpose ceramic-film filter is also associated with water tank, and the water tank is provided with gas outlet, described
Gas outlet is connected with exhaust gas processing device.
6. composite catalytic oxidation according to any one of claims 1 to 3-UF membrane wastewater treatment integrating device, its feature
It is that tubular ceramic membrane module or plate type ceramic membrane module are provided with the purpose ceramic-film filter, the aperture of ceramic membrane is
0.02~0.5 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621347633.0U CN206337111U (en) | 2016-12-08 | 2016-12-08 | A kind of composite catalytic oxidation UF membrane wastewater treatment integrating device |
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| CN201621347633.0U CN206337111U (en) | 2016-12-08 | 2016-12-08 | A kind of composite catalytic oxidation UF membrane wastewater treatment integrating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698770A (en) * | 2016-12-08 | 2017-05-24 | 中节能工程技术研究院有限公司 | Integral composite catalytic oxidation-membrane separation wastewater treatment method and device |
| CN108275848A (en) * | 2018-03-27 | 2018-07-13 | 中节能工程技术研究院有限公司 | A kind of wastewater treatment integrating device and method |
| CN108862544A (en) * | 2018-06-27 | 2018-11-23 | 宁夏宝塔化工中心实验室(有限公司) | A kind of sewage treatment composite oxidant and preparation method thereof |
| CN114249470A (en) * | 2021-11-16 | 2022-03-29 | 云南天朗环境科技有限公司 | Water treatment device and method based on microwave and membrane method |
-
2016
- 2016-12-08 CN CN201621347633.0U patent/CN206337111U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698770A (en) * | 2016-12-08 | 2017-05-24 | 中节能工程技术研究院有限公司 | Integral composite catalytic oxidation-membrane separation wastewater treatment method and device |
| CN108275848A (en) * | 2018-03-27 | 2018-07-13 | 中节能工程技术研究院有限公司 | A kind of wastewater treatment integrating device and method |
| CN108862544A (en) * | 2018-06-27 | 2018-11-23 | 宁夏宝塔化工中心实验室(有限公司) | A kind of sewage treatment composite oxidant and preparation method thereof |
| CN114249470A (en) * | 2021-11-16 | 2022-03-29 | 云南天朗环境科技有限公司 | Water treatment device and method based on microwave and membrane method |
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