CN206142870U - Dye wastewater's ultraviolet ray processing apparatus - Google Patents
Dye wastewater's ultraviolet ray processing apparatus Download PDFInfo
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- CN206142870U CN206142870U CN201621041867.2U CN201621041867U CN206142870U CN 206142870 U CN206142870 U CN 206142870U CN 201621041867 U CN201621041867 U CN 201621041867U CN 206142870 U CN206142870 U CN 206142870U
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- ultraviolet
- waste water
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- dyestuff
- hydrogen peroxide
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Abstract
The utility model discloses a dye wastewater's ultraviolet ray processing apparatus, including the water tank, water pump and photolysis reactor, the water tank, the water pump with photolysis reactor constitutes an inclosed circulation system, photolysis reactor includes a plurality of ultraviolet lamps and a plurality of ultraviolet light emitting diode, and an ultraviolet lamp and an ultraviolet light emitting diode are an ultraviolet combination, carry out irradiation through the combination of multiunit ultraviolet to the waste water that contains a small amount of hydrogen peroxide solution, make a hydrogen peroxide solution molecular decomposition be two hydroxyl free radicals that have the high activity to strong oxidizing property through light degradation and hydroxyl free radical is to the dual degradation of waste water, accelerated the reaction rate of whole device, it is just effectual, with low costs.
Description
Technical field
This utility model is related to a kind of wastewater treatment equipment, more particularly, to a kind of processing meanss of waste water from dyestuff.
Background technology
At present, developing rapidly with industry, the destruction of environment is also following, the pollution of especially water environment be it is current compared with
For severe problem, it is particularly acute in the local pollution control of some heavy industry, such as chemical dye, dyes industry, printing is duplicated, husky
Dragon and dry-cleaning industry can produce substantial amounts of waste water, and a variety of organic principles, COD (COD) are contained in this waste water
It is very high.This waste water from dyestuff, reduces light transmission, affects hydrobiological living environment, degree of fixation to depend on material class to be contaminated
Type (fabric, fiber, hair and other materials), shade, dyeing condition and other specification.Therefore, to the decolouring of various dyestuffs
Rate and mineralization rate are the foundations of the practical plan for evaluating TREATMENT OF DYEING WASTEWATER WITH at present.
At present traditional wastewater treatment plant is cleaned using the technique of mechanical removal to this kind of waste water, such as filtration, activity
Sludge and chlorination.But, these methods generally cannot disposably process all of chemical organic pollution, such as chemical dyestuff.With
As a example by chloridization process, the toxicity of organic compound would generally be increased when chlorinated hydrocarbons and aromatic compound is formed.Although people
Numerous studies have been carried out in terms of substituting remediation policy, to can to manufactured chemical's thing pollution waters carry out clearly
It is clean, but also do not find single processing method.The material that organic compound is generated when decomposing, toxicity may be with former compound poison
Property quite even toxicity it is higher.Therefore, the high-level oxidation technology for effectively updating allows for changing into pollutant intermediate
Non-toxic compound, or a complete mineralization process (forming carbon dioxide and inorganic matters).And hydroxyl radical free radical is used as height
The extremely strong free radical of active oxidisability, can induce a series of radical chain reaction, all of organic substance of oxidation Decomposition, life
Object, most at last it is degraded to CO2, H2O and small-scale inorganic salt, there is no harmful poisonous residue.But it is fine
Utilization, or utilization rate is relatively low.
Entitled " the rotating disc type photolysises device " Application No. of an existing utility model patent
CN201020124433.5 is disclosed using 5-7 ultra violet lamp sewage, and accelerates to say waste water by the ozone for producing
Solution.This kind of method uviol lamp is arranged on the top of reactor so that ultra violet lamp is uneven, relatively low to the utilization rate of uviol lamp
And simple ultra-vioket radiation affects the effect of the degraded of response speed and waste water.
Utility model content
The purpose of this utility model is the defect for overcoming prior art, there is provided a kind of process side's device of waste water from dyestuff,
To by the Organic substance in shorter time thorough Decomposition Wastewater, harmful substance is converted into into harmless water, carbon dioxide and
Inorganic salt, so as to improve water quality.
For achieving the above object, the utility model proposes following technical scheme：Including the water tank for carrying waste water from dyestuff, it is used for
Convey the water pump of power and make the photodissociation of hydrogen peroxide generation hydroxyl radical free radical anti-for ultraviolet disinfection and by the irradiation of ultraviolet light
Device, the water tank, water pump and the photolysises device one closed blood circulation of composition are answered, the photolysises device includes many
Individual uviol lamp and multiple UV LEDs, a uviol lamp and a UV LED are a ultraviolet combination；It is logical
Cross multigroup ultraviolet combination makes a dioxygen hydrone be decomposed into two with highly active hydroxyl radical free radical to the irradiation of hydrogen peroxide.
Preferably, the photolysises device also includes accommodating the cylinder of the uviol lamp and the UV LED
Housing, the uviol lamp and the UV LED are arranged on casing center portion, wherein in being combined as with one group of ultraviolet
The heart other it is ultraviolet combination be uniformly distributed around it.
Preferably, the uviol lamp is 6, and the UV LED is 6.
Preferably, the water tank is additionally provided with low liquid level instruction device and high level instruction device.
The beneficial effects of the utility model are：
1st, compared with other high-level oxidation technologies, the system can process daily the waste water of a large amount of (volumes), and at passing through
The waste water of reason reuse immediately or can enter other water sources.
2nd, quickly high-chromaticity dye wastewater decolourized, mineralising is carried out to the organic pollution of higher concentration.
3rd, the photodissociation technology of multigroup uviol lamp does not use hazardous chemical.The not oxidizer containing chlorine for using is in wastewater treatment work
Alternative industrial chemistry dyestuff in skill, hydrogen peroxide can accelerate light degradation process as the initiator and oxygen source of radical reaction.
Description of the drawings
Fig. 1 is the processing device structure diagram of this utility model waste water from dyestuff；
Fig. 2 is the schematic diagram of this utility model photolysises device, and wherein Fig. 2-A are front view, and Fig. 2-B are left view；
Fig. 3 is the schematic flow sheet of the processing method of the processing meanss of this utility model waste water from dyestuff；
Fig. 4 waste water from dyestuff absorbance chart at different wavelengths；
Fig. 5 infrared spectrophotometers determine polyvinyl alcohol (PVA) transmittance chart.
Reference：1st, water tank, 11, high level instruction device, 12, low liquid level instruction device, 2, water pump, 3, photolysises
Device, 31, ultraviolet combination, 32, water inlet, 33, outlet.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of this utility model embodiment is carried out clear, complete
Description.
With reference to shown in Fig. 1,2 and 3, the processing meanss and processing method of the waste water from dyestuff disclosed in this utility model are utilized
The highly active strong oxidizing property of hydroxyl radical free radical resolves into the poisonous and hazardous organic substance and organism in waste water nontoxic
Harmless water, carbon dioxide and inorganic salt.The processing meanss of waste water from dyestuff include water tank 1, water pump 2, photolysises device 3, three
Connect and formed the dark closed cycle system of a closing by pipeline, by the injection waste water from dyestuff in water tank 1, pass through
Waste water pump to photolysises device 3 is carried out photolysises and is subsequently being back to water tank 1 by water pump 2, and the volume of water tank 1 may be configured as
1000L is arranged as required to different volumes.
As shown in Fig. 2 photolysises device 3 includes housing and is evenly distributed on the ultraviolet combination 31 of enclosure interior, wherein, it is purple
Outer combination gives out light diode combinations and 6 total uviol lamps and 6 ultraviolet two poles of giving out light by a uviol lamp and one are ultraviolet
6 ultraviolet combinations of pipe combination.Wherein 5 ultraviolet combinations are uniformly distributed centered on a ultraviolet combination, make photolysises
Ultraviolet light distribution is more uniform in device 3, can be made through the uniform irradiation of 6 ultraviolet combinations 31 by the waste water of photolysises device 3
Hydrogen peroxide in waste water under uniform irradiation it is rapid it is as much as possible resolve into hydroxyl radical free radical, due to hydroxyl radical free radical it is high
Organic substance in performance and the water of activity and Strong oxdiative, organism and impurity react, and fast degradation waste water, reaction rate it is fast and
It is high to the utilization rate of ultraviolet combination 31.The housing upper end of photolysises device 3 is additionally provided with water inlet 32 and outlet 33, makes photodissociation
Reactor 3 constitutes path with system.
Low liquid level instruction device 12 and high level instruction device 11, the water yield in water tank 1 are additionally provided with the water tank 1
Automatic feeding water or drain valve (not shown) are pointed out and taken to system automatically when too high or too low, and water tank 1 is supplied water or arranged
Water.
The processing method of dyeing waste-water of the present utility model, this utility model mainly uses ultraviolet+hydrogen peroxide+purple
Outer Light-Emitting Diode to waste water from dyestuff being decolourized and be degraded.By water filling port (not shown) injection dye first in water tank 1
Material waste water, then adds hydrogen peroxide, and the concentration of hydrogen peroxide is 32% (v/v), wherein adding the ratio model of waste water and hydrogen peroxide
Enclose and may be configured as 6: 0.01～2: 0.01, preferably select 4: 0.01；The rate of circulating flow of blood circulation is adjusted to into 8L/min, is circulated
Time is 5 minutes so that waste water from dyestuff sufficiently mixes with hydrogen peroxide, at the same also dependent on the situation different speed of setting and when
Between waste water is sufficiently mixed with hydrogen peroxide.Subsequently the rate of circulating flow of blood circulation is set in 8～80L/min, photodissociation is opened
Uviol lamp and UV LED in reactor 3 carries out irradiation to waste water from dyestuff, through uviol lamp and the pole of ultra-violet light-emitting two
The irradiation of pipe, hydrogen peroxide is decomposed into hydroxyl radical free radical, and reaction equation isAnd in reaction
During will not make because the amount of hydrogen peroxide is less the hydroxyl radical free radical of generation again with hydroperoxidation and reduce hydroxyl from
By the content of base, but it is preferential with organic substance in waste water and biological precursor reactant.At interval of a period of time in cyclic process
Take out 80～100 milliliters of water sample in the water tank 1 to carry out detection color throw.Detect at set intervals total organic in waste water
The situation of carbon, total non-organic carbon and total nitrogen and free radical.Simultaneously detection observation is carried out to COD.It is whole in this cyclic process
Process is carried out under dark closed environment, and need not add oxygen.PH range 3.0～10.5 in test, temperature model
4～45 DEG C are enclosed, is measured.
This utility model is further illustrated below by the specific embodiment to dyeing waste-water：
Embodiment 1：In the present embodiment, total organic carbon is surveyed using the liquid TOC analysers of the Elementar companies of Germany,
Total non-organic carbon and total nitrogen, the content of hydroxyl radical free radical is basicly stable can't to be affected, and keeps higher content.
First, operating condition：
The volume ratio (4: 0.01) of pH value 5.6,4 DEG C of temperature, hydrogen peroxide concentration 32%v/v, waste water and hydrogen peroxide.
2nd, experimental result：
| Response time (minute) | 0 | 90 | 180 | 270 | 360 | 450 |
| Total organic carbon (unit) | 290 | 247 | 194 | 72 | 55 | 49 |
| Total non-organic carbon (unit) | 110 | 99 | 98 | 99 | 98 | 98 |
| Total nitrogen (unit) | 25 | 25 | 24 | 24 | 25 | 24 |
| Hydroxyl radical free radical (unit) | 3.05 | 3.27 | 3.57 | 3.46 | 3.21 | 3.04 |
Embodiment 2：In the present embodiment, it is object of study to choose (waste water of Suzhou City), using Japanese Shimadzu Corporation
The 1cm quartz glasss of the ultraviolet-visual spectrometer of 2450 models observe the change of extinction unit, by blueness, redness, yellow, orange
Color waste water will be measured according to 606,493,438 and 462 nanometers respectively, corresponding with their maximum absorption wavelength.Absorbance
Value is designated as dependent variable, is changed according to the decolouring power of every kind of reaction.
Operate by above-mentioned steps, detailed operating condition is as follows with result：
First, operating condition：
Rate of circulating flow：80L/min；Hydrogen peroxide concentration：32v/v；The volume ratio of waste water and hydrogen peroxide：4∶0.01L；Waste water
PH：9.0, at interval of 15 minutes measurement percent of decolourizations.
2nd, experimental result：
| Response time (minute) | 15 | 30 | 45 | 60 | 75 |
| Dye decolored rate clearance (%) | 3 | 9 | 30 | 62 | 100 |
As shown in figure 4, showing that system reaches 100% in the circulation degraded rear decoloring rate through 75 minutes.
In order to further analyze the degraded situation of different dyes, according to the waste water from dyestuff of variable concentrations, per 20 minutes from water
5ml waste water solutions are taken out in case is calculating critical photon time (CPTs) computing formula：
Wherein, Ao represents the former absorbance unit (AU) in water tank under sewage maximum absorption wavelength；A is in time t
The absorbance unit (AU) of recycling waste water；CPT is critical photon time (min)
The arrangement of the response speed of known dye in industrial wastewater is determined simultaneously by CPT, with kinetic measurement, CPT
Distinguishing putting in order for dyestuff, ranking is arranged theory according to the order of 1-4 from small to large, and observes the loss of different colours
Speed, so as to judge waste water in single color dye draw in the presence of photocatalytic degradation and hydroxyl radical free radical it is different
Decolorization rate, the order for deriving degraded as shown in table 1 below：The ＜ acid blue 45s of 52 ＜ quinoline yellows of acid orange, 6 ＜ azogeramines 7.
The decolouring change chart of 1 four kinds of organic dyestuff of table
Embodiment 3：In the present embodiment, it is object of study to choose (waste water of Suzhou City), and system circulation often circulates 90 points
Clock takes out water sample in water tank and carries out COD detections, and the potassium dichromate used in sulphuric acid carries out clearing up and is heated to 165 DEG C and holds to water sample
It is continuous 10 minutes, after clearing up, COD value is measured using COD quick analytic instrument devices, poly- second is determined using infrared spectrophotometer
Enol (PVA) content as the contrast for trying to achieve COD, as a result as shown in Figure 5.
Operate by above-mentioned steps, detailed operating condition is as follows with result：
First, operating condition：
System circulation flow velocity：50L/min；Hydrogen peroxide concentration：32v/v；The consumption of hydrogen peroxide：6∶0.01L；Waste water PH：
6.5, determine polyvinyl alcohol (PVA) light transmittance using the infrared spectrophotometer of Thermo Electron Corp. of U.S. 470FT-IR models
As the contrast for trying to achieve COD.Specifically take 0.1～0.2 milligram of sample and grind (diameter ＜) and put together with 300 milligrams potassium bromide
Enter in sampler and detected.
2nd, COD experimental results are tried to achieve：
| Response time (minute) | 0 | 90 | 180 | 270 | 360 | 450 |
| COD(mg/L) | 889 | 683 | 499 | 201 | 150 | 92 |
As a result reduction of the COD value with the rapid development of time is shown, until conformance with standard can be discharged to sewage.
Technology contents of the present utility model and technical characteristic have revealed that as above, but those of ordinary skill in the art still may be used
A variety of replacements and modification without departing substantially from this utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this
Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model
And modification, and covered by present patent application claim.
Claims (4)
1. the treatment with ultraviolet light device of a kind of waste water from dyestuff, it is characterised in that including the water tank for carrying waste water from dyestuff, for conveying
The water pump of power and for ultraviolet disinfection and by the irradiation of ultraviolet light make hydrogen peroxide produce hydroxyl radical free radical photolysises device,
The water tank, water pump and the photolysises device constitute a closed blood circulation, and the photolysises device includes multiple purples
Outer lamp and multiple UV LEDs, a uviol lamp and a UV LED are a ultraviolet combination；By many
The ultraviolet combination of group makes a dioxygen hydrone be decomposed into two with highly active hydroxyl radical free radical to the irradiation of hydrogen peroxide.
2. the treatment with ultraviolet light device of waste water from dyestuff according to claim 1, it is characterised in that the photolysises device is also
Including the cylindrical housings for accommodating the uviol lamp and the UV LED, the uviol lamp and the ultra-violet light-emitting two
Pole pipe is arranged on casing center portion, wherein other ultraviolet combinations are uniformly distributed around it centered on one group of ultraviolet combination.
3. the treatment with ultraviolet light device of waste water from dyestuff according to claim 1 and 2, it is characterised in that the uviol lamp is 6
Individual, the UV LED is 6.
4. the treatment with ultraviolet light device of waste water from dyestuff according to claim 1, it is characterised in that the water tank is additionally provided with
Low liquid level instruction device and high level instruction device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621041867.2U CN206142870U (en) | 2016-09-07 | 2016-09-07 | Dye wastewater's ultraviolet ray processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621041867.2U CN206142870U (en) | 2016-09-07 | 2016-09-07 | Dye wastewater's ultraviolet ray processing apparatus |
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| CN206142870U true CN206142870U (en) | 2017-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430402A (en) * | 2016-09-07 | 2017-02-22 | 苏州依斯倍环保装备科技有限公司 | Ultraviolet light treatment device for dye wastewater and treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106430402A (en) * | 2016-09-07 | 2017-02-22 | 苏州依斯倍环保装备科技有限公司 | Ultraviolet light treatment device for dye wastewater and treatment method |
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