CN209602291U - A kind of device handling highly concentrated waste water from dyestuff - Google Patents
A kind of device handling highly concentrated waste water from dyestuff Download PDFInfo
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- CN209602291U CN209602291U CN201920191483.6U CN201920191483U CN209602291U CN 209602291 U CN209602291 U CN 209602291U CN 201920191483 U CN201920191483 U CN 201920191483U CN 209602291 U CN209602291 U CN 209602291U
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Abstract
The utility model discloses a kind of devices for handling highly concentrated waste water from dyestuff.The highly concentrated dye wastewater treatment device, comprising: pH conditioning tank；The water inlet end of coagulative precipitation tank, coagulative precipitation tank is connected with the water outlet of pH conditioning tank；Main body reaction tank, main body reaction tank water inlet end are connected with coagulative precipitation tank water outlet；Oilless air compressor；Adsorptive drier, adsorptive drier inlet end are connected with oilless air compressor outlet side；Ozone generator, ozone generator inlet end are connected with adsorptive drier outlet side, and ozone generator outlet side is connected by the aeration tube that pipeline reacts bottom of pond portion with main body.The processing unit is recycled by the synergistic effect of iron carbon filler and ultrasonic wave, ozone tail gas, the utilization rate of ozone can be made up to 95% or more using " light electrolysis-ozone-ultrasonic wave " system.The present apparatus has many advantages, such as that compact-sized, space utilization rate is high, good economy performance, treatment effeciency are high, can be used for the processing of highly concentrated waste water from dyestuff.
Description
Technical field
The utility model belongs to technical field of sewage, relates generally to a kind of device for handling highly concentrated waste water from dyestuff, uses
In the highly concentrated waste water from dyestuff of processing.
Background technique
The dye industry in China has the characteristics that small mount, multi items, is largely intermittently operated, waste water discontinuity row
It puts, water quality and quantity variation range is big, during DYE PRODUCTION such as sulfonation, nitrification, diazotising, reduction, oxidation and acid (salt)
There is a large amount of pollutant to generate in the processes such as analysis.Causing these dyeing waste waters to have, pollutant concentration is high, waste component is complicated,
Contain the characteristics of a large amount of organic matter and salinity, COD high, color are deep, acid-base property is strong, biodegradability is poor and strong toxicity.
Organic pollutant major part number in waste water exists in the form of benzene, naphthalene, anthracene, quinones organic matter, when the hydrogen on phenyl ring
The bigger compound of toxicity can be generated after being substituted.The stronger heavy metal element containing some bio-toxicities in dye structure, to people
Class and environment cause serious harm.In addition, most azo dye wastewater also has bio-toxicity, the work to microorganism
Property have inhibiting effect, will do it in the environment accumulation after to biology and human health cause to seriously endanger.Remaining dye in waste water
Material, pigment component are discharged into water body and also result in the reduction of light transmittance even if concentration is very low, and eventually lead to water ecosystem
Destruction.
Ozone has very strong oxidability, and oxidation-reduction potential in water is 2.08V.Ozone oxidation can make dyestuff
The bivalent key of chromophoric group is broken, while destroying benzene, naphthalene, the anthracene isocyclic compound for constituting chromophoric group, to keep waste water de-
Color improves the biodegradability of waste water while reducing COD.Ozone oxidation has selectivity, and exclusive use oxidation efficiency is not high, but
Ozone is unstable in water, can generate the extremely strong antozone of oxidability and hydroxyl etc., hydroxyl radical free radical can draw in water
Send out radical chain reaction a series of, the various organic matters in the degradation of non-selectivity, mineralized water.In addition to this, it is used alone also
The problems such as that there are ozone dosages is higher, occupied area is larger, investment operating cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of devices for handling highly concentrated waste water from dyestuff, using " light electrolysis-ozone-
Ultrasonic wave " system is recycled by the synergistic effect of iron carbon filler and ultrasonic wave, ozone tail gas, ozone is greatly improved
Utilization rate, reduce ozone and filler dosage, reduce occupation area of equipment.
The utility model is achieved through the following technical solutions:
A kind of device handling highly concentrated waste water from dyestuff, comprising: pH conditioning tank；Coagulative precipitation tank, the water inlet of coagulative precipitation tank
End is connected with the water outlet of pH conditioning tank；Main body reaction tank, main body reaction tank water inlet end are connected with coagulative precipitation tank water outlet；Nothing
Oily air compressor machine；Adsorptive drier, adsorptive drier inlet end are connected with oilless air compressor outlet side, and oilless air compressor and absorption are dry
Air filter is equipped between dry machine；Ozone generator, ozone generator inlet end are connected with adsorptive drier outlet side, ozone
Generator outlet side is connected by the aeration tube that pipeline reacts bottom of pond portion with main body.
Further, the pH conditioning tank inlet pipeline is equipped with sewage pump and feed water flow meter.
Further, the first valve and ejector are equipped between the coagulative precipitation tank and main body reaction tank.
Further, the 40% ~ 60% of the wastewater effluent of the main body reaction tank is conveyed into waste water circulation line, remaining waste water
Water outlet is discharged by the 4th valve, and the waste water circulation line is equipped with sewage (waste water) recirculating pump and recycle stream meter, recycle stream meter
Water outlet be connected between the first valve and ejector by triplate line, recycle stream meter outlet pipeline be equipped with the second valve
Door.
Further, hydrogen peroxide grug feeding ja, hydrogen peroxide grug feeding ja and main body reaction tank are equipped on the left of the main body reaction tank
Between be equipped with electromagnetic metering pump.
Further, pass through exhaust collection pipeline connection safety valve, safety valve export pipeline at the top of the main body reaction tank
It is connected to ejector.
Further, main body reaction bottom of pond portion is equipped with aeration tube, horizontally arranged on aeration tube to be equipped with several ozone and expose
Gas head, ozonation aerated head top are equipped with filler supporting plate, place iron carbon filler on filler supporting plate；On the outside of the main body reaction tank
Position is equipped with several ultrasonic oscillators, and each ultrasonic oscillator is connect with supersonic generator.
Further, the ultrasonic oscillator frequency is 20kHz or 40kHz.
Further, ozone flowmeter and third valve are equipped between the ozone generator and main body reaction tank.
Advantage and effect: the device of the highly concentrated waste water from dyestuff of processing of the utility model strengthens ozone by micro-electrolysis stuffing
Mass transfer effect, the iron ion of dissolution has catalytic action to ozone, and the presence of ozone reduces the consumption of iron carbon filler；It is super
Sound wave makes ozone fully dispersed and dissolution in conjunction with ozonation technology, improves its energy of oxidation simultaneously in the dosage for reducing ozone
Power is acted on to strengthen the decomposition of ozone by means of the materialization of ultrasound cavitation effect and its generation, and generates a large amount of free radical；It is smelly
Oxygen tail gas recycles, and the utilization rate of ozone is greatly improved, and reduces the dosage of ozone and filler.The present apparatus has structure
Compact, the advantages that space utilization rate is high, good economy performance, high treatment effeciency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the device for handling highly concentrated waste water from dyestuff of the utility model.
Fig. 2 is the structural schematic diagram of main body reaction tank.
In figure: 1, sewage pump；2, feed water flow meter；3, pH conditioning tank；4, coagulative precipitation tank；5, the first valve；6,
Ejector；7, main body reaction tank；8, electromagnetic metering pump；9, hydrogen peroxide grug feeding ja；10, safety valve；11, sewage (waste water) recirculating pump；12,
Recycle stream meter；13, the second valve；14, oilless air compressor；15, air filter；16, adsorptive drier；17, ozone occurs
Device；18, ozone flowmeter；19, third valve；20, the 4th valve；21, aeration tube；22, ozonation aerated head；23, ultrasonic wave shakes
Son；24, filler supporting plate；25, iron carbon filler；26, supersonic generator.
Specific embodiment
The utility model is added in the following with reference to the drawings and specific embodiments and is described further.
Embodiment: as shown in Figure 1 and Figure 2, a kind of device handling highly concentrated waste water from dyestuff, comprising: pH conditioning tank 3；Coagulation is heavy
The water inlet end in shallow lake pond 4, coagulative precipitation tank 4 is connected with the water outlet of pH conditioning tank 3；Main body reaction tank 7, main body reaction tank 7 are intake
End is connected with 4 water outlet of coagulative precipitation tank；Oilless air compressor 14；Adsorptive drier 16,16 inlet end of adsorptive drier with it is oil-free
14 outlet side of air compressor machine is connected, and air filter 15 is equipped between oilless air compressor 14 and adsorptive drier 16；Ozone generator
17,17 inlet end of ozone generator is connected with 16 outlet side of adsorptive drier, and 17 outlet side of ozone generator passes through pipeline and master
The aeration tube 21 of 7 bottom of precursor reactant pond is connected.3 inlet pipeline of pH conditioning tank is equipped with sewage pump 1 and feed water flow meter 2.
The first valve 5 and ejector 6 are equipped between coagulative precipitation tank 4 and main body reaction tank 7.A part of waste water of main body reaction tank 7 goes out
Water is conveyed into waste water circulation line, and another part wastewater effluent is discharged by the 4th valve 20, and waste water circulation line is equipped with dirt
The water outlet of water-circulating pump 11 and recycle stream meter 12, recycle stream meter 12 is connected to the first valve 5 and jet stream by triplate line
Between device 6,12 outlet pipeline of recycle stream meter is equipped with the second valve 13.Hydrogen peroxide grug feeding ja is equipped on the left of main body reaction tank 7
9, electromagnetic metering pump 8 is equipped between hydrogen peroxide grug feeding ja 9 and main body reaction tank 7.Pass through exhaust collection at the top of main body reaction tank 7
Piping connection safety valve 10,10 export pipeline of safety valve are connected to ejector 6.7 bottom of main body reaction tank is equipped with aeration tube 21, exposes
It is horizontally arranged on tracheae 21 to be equipped with several ozonation aerated heads 22, it is equipped with filler supporting plate 24 above ozonation aerated head 22, filler is held
Iron carbon filler 25 is placed on supporting plate 24；The main body reaction tank outer fix is equipped with several ultrasonic oscillators 23, Mei Gechao
Acoustic wave transducer 23 is connect with supersonic generator 26.Ozone flowmeter is equipped between ozone generator 17 and main body reaction tank 7
18 and third valve 19.
A kind of device handling highly concentrated waste water from dyestuff and processing method, method includes the following steps:
Step 1: the pH value of waste water is adjusted to alkalescent in pH conditioning tank；
Step 2: the waste water that step 1 is handled is introduced into coagulative precipitation tank；
Step 3: the waste water that step 2 is handled is introduced into main body reaction tank, filling iron carbon is filled out in main body reaction tank
Material, main body reaction bottom of pond portion constantly carries out ozonation aerated, and ozone gas moves from bottom to top in main body reaction tank；Main body reaction
Several ultrasonic oscillators installed on the outside of pond are opened；
Step 4: main body reaction tank internal pressure constantly increases during ozonation aerated, when pressure is more than safety valve in pond
When cracking pressure, safety valve starts to discharge ozone tail gas, and ozone tail gas is sent into ejector by pipeline and is mixed with waste water；Work as main body
When reaction tank internal pressure is reduced to blowdown pressure of safety valve, safety valve is closed；
Step 5: a part of waste water that step 3 is handled is discharged from exit, another part waste water and ozone tail
It is back in main body reaction tank after gas mixing.
The pH value of the step 1 is 7.5 ~ 8.5.
The coagulant being added in the coagulative precipitation tank is AS, PFS, PAC, and dosage is respectively 210mg/L, 135mg/
L、80mg/L。
During the main body reaction tank reaction, according to mass ratio H2O2: hydrogen peroxide is added in COD=0.05 ~ 0.1:1.
During the main body reaction tank reaction, ozonation aerated amount is 100 ~ 200mg/L.
The volume ratio of filling iron carbon filler in the main body reaction tank, iron carbon filler quality and waste water is 1:3, and iron carbon is filled out
Material is chondritic, and filler internal diameter is 2 ~ 4cm.
The waste water recycle ratio of the main body reaction tank effluent part water outlet is 4 ~ 6.
The opening pressure of safety valve is 0.2 ~ 0.3Mpa, and blow pressure is 0.12 ~ 0.14Mpa.
The residence time of waste water is 40min in the coagulative precipitation tank.
The residence time of waste water is 60min in the main body reaction tank.
By taking initial concentration is the actual dye wastewater of 4000mg/L as an example, waste water adjusts pH value to 8 in pH conditioning tank 3
The PAC of 60mg/L, retention time of sewage in coagulative precipitation tank 4 is added into coagulative precipitation tank 4 in left and right in coagulative precipitation tank 4
It is laggard to become owner of in precursor reactant pond 7 for 40min, the hydrogen peroxide of 200mg/L is added in main body reaction tank 7, ozonation aerated amount is
100mg/L, retention time of sewage is 60min in main body reaction tank 7, after 40% reflux that main body reaction tank 7 is discharged with ozone tail gas
It is mixed into main body reaction tank 7, in continuous cyclic process, a part of discharge of wastewater.The COD removal rate of waste water from dyestuff is 82%,
Percent of decolourization is 90%.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other various forms of variations or variation, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended still in the guarantor of the utility model
Protect the column of range.
Claims (8)
1. a kind of device for handling highly concentrated waste water from dyestuff characterized by comprising pH conditioning tank (3)；Coagulative precipitation tank (4) mixes
The water inlet end of solidifying sedimentation basin (4) is connected with the water outlet of pH conditioning tank (3)；Main body reaction tank (7), main body reaction tank (7) water inlet
End is connected with coagulative precipitation tank (4) water outlet；Oilless air compressor (14)；Adsorptive drier (16), adsorptive drier (16) air inlet
End is connected with oilless air compressor (14) outlet side, and air filter is equipped between oilless air compressor (14) and adsorptive drier (16)
(15)；Ozone generator (17), ozone generator (17) inlet end are connected with adsorptive drier (16) outlet side, ozone generator
(17) outlet side is connected by pipeline with the aeration tube (21) of main body reaction tank (7) bottom.
2. a kind of device for handling highly concentrated waste water from dyestuff according to claim 1, it is characterised in that: the pH conditioning tank
(3) inlet pipeline is equipped with sewage pump (1) and feed water flow meter (2).
3. a kind of device for handling highly concentrated waste water from dyestuff according to claim 1, it is characterised in that: the coagulative precipitation tank
(4) the first valve (5) and ejector (6) are equipped between main body reaction tank (7).
4. a kind of device for handling highly concentrated waste water from dyestuff according to claim 3, it is characterised in that: the main body reaction tank
(7) the 40% ~ 60% of wastewater effluent is conveyed into waste water circulation line, remaining wastewater effluent is discharged by the 4th valve (20), institute
Waste water circulation line is stated equipped with sewage (waste water) recirculating pump (11) and recycle stream meter (12), the water outlet of recycle stream meter (12) passes through three
Siphunculus road is connected between the first valve (5) and ejector (6), and recycle stream meter (12) outlet pipeline is equipped with the second valve
(13).
5. a kind of device for handling highly concentrated waste water from dyestuff according to claim 4, it is characterised in that: the main body reaction tank
(7) left side is equipped with hydrogen peroxide grug feeding ja (9), and electromagnetic metering pump is equipped between hydrogen peroxide grug feeding ja (9) and main body reaction tank (7)
(8).
6. a kind of device for handling highly concentrated waste water from dyestuff according to claim 4, it is characterised in that: the main body reaction tank
(7) top is connected to ejector (6) by exhaust collection pipeline connection safety valve (10), safety valve (10) export pipeline.
7. a kind of device for handling highly concentrated waste water from dyestuff according to claim 4, it is characterised in that: the main body reaction tank
(7) bottom is equipped with aeration tube (21), horizontally arranged on aeration tube (21) to be equipped with several ozonation aerated heads (22), ozonation aerated head
(22) top is equipped with filler supporting plate (24), places iron carbon filler (25) on filler supporting plate (24)；The main body reaction tank (7)
Outer fix is equipped with several ultrasonic oscillators (23), and each ultrasonic oscillator (23) connects with supersonic generator (26)
It connects.
8. a kind of device for handling highly concentrated waste water from dyestuff according to claim 1, it is characterised in that: the ozone generator
(17) ozone flowmeter (18) and third valve (19) are equipped between main body reaction tank (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920191483.6U CN209602291U (en) | 2019-02-12 | 2019-02-12 | A kind of device handling highly concentrated waste water from dyestuff |
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| CN201920191483.6U CN209602291U (en) | 2019-02-12 | 2019-02-12 | A kind of device handling highly concentrated waste water from dyestuff |
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| CN209602291U true CN209602291U (en) | 2019-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626682A (en) * | 2019-02-12 | 2019-04-16 | 辽宁拓启环保科技有限公司 | A kind of device handling highly concentrated waste water from dyestuff and processing method |
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2019
- 2019-02-12 CN CN201920191483.6U patent/CN209602291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626682A (en) * | 2019-02-12 | 2019-04-16 | 辽宁拓启环保科技有限公司 | A kind of device handling highly concentrated waste water from dyestuff and processing method |
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