CN109052712A - A kind of system and method handling simultaneously reuse textile industry qualified discharge water - Google Patents
A kind of system and method handling simultaneously reuse textile industry qualified discharge water Download PDFInfo
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- CN109052712A CN109052712A CN201810938951.1A CN201810938951A CN109052712A CN 109052712 A CN109052712 A CN 109052712A CN 201810938951 A CN201810938951 A CN 201810938951A CN 109052712 A CN109052712 A CN 109052712A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 239000004753 textile Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 33
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 28
- 238000005342 ion exchange Methods 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 239000003729 cation exchange resin Substances 0.000 claims description 11
- 238000011001 backwashing Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- 239000012510 hollow fiber Substances 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910001424 calcium ion Inorganic materials 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 3
- 238000004043 dyeing Methods 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- 238000002306 biochemical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/66—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
- C02F2209/055—Hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of processing and the system and methods of reuse textile industry qualified discharge water, and the system comprises collecting system, ultra-filtration system, advanced oxidation processing system, ion exchange system and recovery systems；The collecting system is provided with water inlet and water outlet, which is successively connected via ultra-filtration system, advanced oxidation processing system, ion exchange system with the water inlet of recovery system by pipeline.The system and method simple process of the processing provided by the present invention and reuse textile industry qualified discharge water, it is stable, it is at low cost, raw material is cheap and easy to get, and ozone can be produced in situ in, and ozone is finally reduced to oxygen, do not generate secondary pollution, and final gained each index of reuse water quality can satisfy water requirement used in industrial production better than index specified in " FZ/T 01107-2011 textile dyeing and finishing industrial reuse water water standard ", which has good economy and environmental benefit.
Description
Technical field
The present invention relates to a kind of processing and the system and methods of reuse textile industry qualified discharge water, and it is useless to belong to textile industry
Water-treatment technology field.
Background technique
Textile industry waste water has the characteristics that water is big, coloration is high, complicated component, is more intractable in China's industrial wastewater
One kind.Currently, textile industry waste water treatment process is generally basede on physical method, chemical method, bioanalysis combined treatment, although discharge
Water water quality indicator is attained by discharge standard, but some indexs still reach to the standard requirements less than recycle-water.In view of national water
The status that shortage of resources, water pollution are on the rise, discharging water progress advanced treating and be back to production printing and dyeing wastewater to reach standard is
Realize the important channel of sustained development.Recycle water standard requirement is still higher than by the COD of biological treatment waste water, coloration at this stage,
The ingredient in waste water is hard-degraded substance at this time, cannot be handled by standard biochemical methods, furthermore after Biochemical method
Joined a large amount of coagulant and flocculant in waste water causes waste water hardness higher, this also becomes printing and dyeing wastewater to reach standard discharge water reuse
Crucial problem.
Therefore it provides the system and method for a kind of processing and reuse textile industry qualified discharge water has become this field urgently
Technical problem to be solved.
Summary of the invention
In order to solve the above shortcomings and deficiencies, the purpose of the present invention is to provide a kind of processing, simultaneously reuse textile industry reaches
The system of mark discharge water.
The object of the invention is also to provide a kind of processing and the methods of reuse textile industry qualified discharge water.
In order to achieve the above objectives, on the one hand, the present invention provides a kind of processing and reuse textile industry qualified discharge water is
System, wherein the system comprises collecting system, ultra-filtration system, advanced oxidation processing system, ion exchange system and recycling
System；
The collecting system is provided with water inlet and water outlet, and the water outlet is by pipeline successively via secondary filter system
System, advanced oxidation processing system, ion exchange system are connected with the water inlet of recovery system.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Collecting system is collecting-tank.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Pump is provided on pipeline between collecting system and ultra-filtration system, the pump to by after the uniform water quality of collecting system gained water
Inject ultra-filtration system.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Ultra-filtration system includes pretreatment unit, UF membrane module and back washing device；
The water outlet of the collecting system is connected with the water inlet of the pretreatment unit, the water outlet of the pretreatment unit with
The water inlet of the UF membrane module is connected, the water inlet of the water outlet connection advanced oxidation processing system of the UF membrane module；
The water outlet of the recovery system by pipeline via the back washing device respectively with the pretreatment unit, UF film group
The water inlet of part is connected, to carry out backwash to the pretreatment unit, UF membrane module using the water in recovery system.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Pretreatment unit is manganese sand filter.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
UF membrane module is hollow fiber film assembly.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Back washing device is backwash centrifugal pump.
Wherein, manganese sand filter, hollow fiber film assembly and backwash centrifugal pump used in the present invention are that this field is routinely set
It is standby.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Advanced oxidation processing system includes ozone microbubble generator, ozone contact tank and ozone tail gas destructor；
The water outlet of the ultra-filtration system is connected by pipeline with the water inlet of ozone contact tank, the ozone contact tank
Water outlet be connected with the water inlet of the ion exchange system；
The ozone microbubble generator is the device that can convert the ozone to nanoscale microbubble, passes through pipeline
It is connected via pump with the bottom end entrance of the ozone contact tank, which is injected from the bottom end entrance of ozone contact tank should
In ozone contact tank；
The ozone contact tank top is equipped with exhaust port, and the exhaust port is by pipeline via blower and the ozone
Vent ozone destructor is connected.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Ozone contact tank is totally enclosed type lattice pond body.
Wherein, ozone microbubble generator, ozone contact tank and ozone tail gas destructor used in the present invention are this field
Conventional equipment.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
The resin that ion exchange system uses is storng-acid cation exchange resin.
Wherein, storng-acid cation exchange resin used in the present invention is the usual resins that use of this field, the present invention compared with
For in preferred embodiment, storng-acid cation exchange resin used is 001*7 storng-acid cation exchange resin.
Specific embodiment according to the present invention, it is described in the system of the processing and reuse textile industry qualified discharge water
Reclaiming system is reuse pool.
Specific embodiment according to the present invention, it is used in the system of the processing and reuse textile industry qualified discharge water
The pH value of textile industry qualified discharge water be 8-8.5, COD 40-80mg/L, SS 15-30mg/L, transparency 30-40cm,
Coloration is 32-128 times, and total iron is 0.2-0.35mg/L, total hardness 300-600mg/L, conductivity < 2000 μ s/cm.
It on the other hand, is to adopt the present invention also provides a kind of processing and the method for reuse textile industry qualified discharge water
It is realized, be the described method comprises the following steps with the system of the processing and reuse textile industry qualified discharge water:
(1) textile industry qualified discharge water is discharged into the collecting system, uniform water quality；
(2) by the injection ultra-filtration system of water obtained by step (1), with go in water removal most of SS, metallic colloid and
Small part COD；
(3) water obtained by step (2) is injected into advanced oxidation processing system, to carry out depth decoloration to water and continue removal portion
Divide COD；
(4) water obtained by step (3) is injected into ion exchange system, with the calcium and magnesium ion gone in water removal, demineralized water；
(5) water obtained by step (4) is discharged into recovery system and is collected reuse.
The method of specific embodiment according to the present invention, the processing and reuse textile industry qualified discharge water further includes that will walk
Suddenly a part of water return step (2) that (5) are collected, the operation to backwash ultra-filtration system.Wherein, step (5) is collected
Another part water is back to industrial production.
Specific embodiment according to the present invention, it is described in the method for the processing and reuse textile industry qualified discharge water
The pH value of textile industry qualified discharge water be 8-8.5, COD 40-80mg/L, SS 15-30mg/L, transparency 30-40cm,
Coloration is 32-128 times, and total iron is 0.2-0.35mg/L, total hardness 300-600mg/L, conductivity < 2000 μ s/cm.
The method of specific embodiment according to the present invention, the processing and reuse textile industry qualified discharge water further includes using
Hydrochloric acid carries out regenerated operation to the storng-acid cation exchange resin that step (4) intermediate ion exchange system uses.
Specific embodiment according to the present invention, in the method for the processing and reuse textile industry qualified discharge water, with institute
The total weight for stating hydrochloric acid is 100% meter, mass concentration 5%-10%.
Specific embodiment according to the present invention, wherein SS refers to suspended matter, for the solid matter to suspend in water, packet
Include inorganic matter insoluble in water, organic matter and silt particle, clay, microorganism etc..
In the system and method for the processing provided by the present invention and reuse textile industry qualified discharge water, the precision
Filtration system can remove a large amount of SS, metallic colloid and small part COD in secondary waste water, and then can reduce advanced oxidation processing
The burden of system, it is more abundant to be still bleached effect；Then after water obtained by passes through the sofening treatment of ion exchange system again, by reuse
System collects reuse, is partially used for backwash ultra-filtration system.Final each index of reuse water quality is better than " FZ/T 01107-2011
Textile dyeing and finishing industrial reuse water water standard " specified in index, can satisfy water requirement used in industrial production.
The system and method simple process of the processing provided by the present invention and reuse textile industry qualified discharge water, operation
Stablize and operating cost is low, raw material is cheap and easy to get, and ozone can be produced in situ in, and ozone is finally reduced to oxygen, does not generate secondary
Pollution has good economy and environmental benefit.
Detailed description of the invention
Fig. 1 is that the structure of the system of the processing provided by the embodiment of the present invention and reuse textile industry qualified discharge water is shown
It is intended to；
Fig. 2 is the detailed knot of the system of the processing provided by the embodiment of the present invention and reuse textile industry qualified discharge water
Structure schematic diagram.
Main Reference label declaration:
1, collecting system；
2, ultra-filtration system；
3, advanced oxidation processing system；
4, ion exchange system；
5, recovery system；
6, collecting-tank；
7, manganese sand filter；
8, hollow fiber film assembly；
9, ozone contact tank；
10, ozone microbubble generator；
11, ozone tail gas destructor；
12, reuse pool；
A, it pumps；
B, it pumps；
C, blower；
D, backwash centrifugal pump.
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now in conjunction in detail below
Embodiment carries out following detailed description to technical solution of the present invention, but should not be understood as the limit to enforceable range of the invention
It is fixed.
Embodiment 1
A kind of system for handling simultaneously reuse textile industry qualified discharge water is present embodiments provided, structural schematic diagram is as schemed
Shown in 1- Fig. 2, from Fig. 1-Fig. 2 as can be seen that the system comprises:
Collecting system 1, ultra-filtration system 2, advanced oxidation processing system 3, ion exchange system 4 and recovery system 5；
The collecting system 1 is provided with water inlet and water outlet, and the water outlet is by pipeline successively via secondary filter system
System 2, advanced oxidation processing system 3, ion exchange system 4 are connected with the water inlet of recovery system 5.
In the present embodiment, the collecting system 1 is collecting-tank 6；
In the present embodiment, pump a, pump a are provided on the pipeline between the collecting system 1 and ultra-filtration system 2
Gained water after the uniform water quality of collecting system 1 is injected ultra-filtration system 2.
In the present embodiment, the ultra-filtration system 2 includes pretreatment unit, UF membrane module and back washing device；
The water outlet of the collecting system 1 is connected with the water inlet of the pretreatment unit, the water outlet of the pretreatment unit
It is connected with the water inlet of the UF membrane module, the water inlet of the water outlet connection advanced oxidation processing system 3 of the UF membrane module；
The water outlet of the recovery system 5 by pipeline via the back washing device respectively with the pretreatment unit, UF film
The water inlet of component is connected, to carry out backwash to the pretreatment unit, UF membrane module using the water in recovery system 5；
In the present embodiment, the pretreatment unit is manganese sand filter 7；The UF membrane module is hollow fiber film assembly
8；The back washing device is backwash centrifugal pump d.
In the present embodiment, the advanced oxidation processing system 3 includes ozone microbubble generator 10, ozone contact tank 9
And ozone tail gas destructor 11；
The water outlet of the ultra-filtration system 2 is connected by pipeline with the water inlet of ozone contact tank 9, ozone contact
The water outlet in pond 9 is connected with the water inlet of the ion exchange system 4；
The ozone microbubble generator 10 is the device that can convert the ozone to nanoscale microbubble, passes through pipe
Road is connected via pump b with the bottom end entrance of the ozone contact tank 9, by the microbubble from the bottom end entrance of ozone contact tank 9
It injects in the ozone contact tank 9；
9 top of ozone contact tank be equipped with exhaust port, the exhaust port by pipeline via blower c with it is described smelly
Oxygen vent ozone destructor 11 is connected；
In the present embodiment, the ozone contact tank 9 is totally enclosed type lattice pond body.
In the present embodiment, the resin that the ion exchange system 4 uses is storng-acid cation exchange resin, specifically may be used
For 001*7 storng-acid cation exchange resin；
In the present embodiment, the reclaiming system 5 is reuse pool 12.
Embodiment 2
A kind of method for handling simultaneously reuse textile industry qualified discharge water is present embodiments provided, is using embodiment 1
Processing and reuse textile industry qualified discharge water system realize, the described method comprises the following steps:
(1) textile industry qualified discharge water is discharged into the collecting-tank, uniform water quality；
(2) water obtained by step (1) is injected in ultra-filtration system with pump, with most of SS, the metal-to-metal adhesive gone in water removal
Body and small part COD；
(3) by water injection of ozone contact chamber obtained by step (2), the nanoscale microvesicle that ozone microbubble generator generates is by pump
Ozone contact tank is injected, be uniformly mixed with the water outlet of ultra-filtration system and reacts (ozone dosage 30mg/ in 25-40 DEG C
L is calculated on the basis of the total volume of the water outlet of ultra-filtration system), unreacted ozone through fan action from
The discharge outlet on ozone contact tank top is discharged into ozone tail gas destructor, eliminates secondary pollution；
(4) water obtained by step (3) is injected into ion exchange system, acts on water removal of going down in storng-acid cation exchange resin
In calcium and magnesium ion, demineralized water；
Regenerated behaviour is carried out to the storng-acid cation exchange resin that step (4) intermediate ion exchange system uses using hydrochloric acid
Make；It specifically, is mass concentration 5%-10% in terms of 100% by the total weight of the hydrochloric acid.
(5) water obtained by step (4) is discharged into reuse pool and is collected reuse；
A part of water return step (2) that step (5) is collected, to backwash ultra-filtration system, remaining is back to industry
Production.
Gained returns after textile industry qualified discharge water used and the method processing provided by the present embodiment in the present embodiment
With the correlation performance parameters of water see as shown in table 1 below.
Table 1
From table 1 it follows that final gained each index of reuse water quality is better than " FZ/T 01107-2011 in the present embodiment
Textile dyeing and finishing industrial reuse water water standard " specified in index, can satisfy water requirement used in industrial production.
In conclusion the system and method technique of the processing provided by the present invention and reuse textile industry qualified discharge water
Simply, stable and operating cost is low, and raw material is cheap and easy to get, and ozone can be produced in situ in, and ozone is finally reduced to oxygen, no
Secondary pollution is generated, there is good economy and environmental benefit.
Claims (10)
1. it is a kind of processing and reuse textile industry qualified discharge water system, which is characterized in that the system comprises collecting system,
Ultra-filtration system, advanced oxidation processing system, ion exchange system and recovery system；
The collecting system is provided with water inlet and water outlet, and the water outlet is by pipeline successively via ultra-filtration system, height
Grade oxidization processing system, ion exchange system are connected with the water inlet of recovery system.
2. system according to claim 1, which is characterized in that the collecting system is collecting-tank；
Preferably, it is provided with pump on the pipeline between the collecting system and ultra-filtration system, the pump is to by collecting system
Gained water injects ultra-filtration system after uniform water quality.
3. system according to claim 1 or 2, which is characterized in that the ultra-filtration system includes pretreatment unit, UF
Membrane module and back washing device；
The water outlet of the collecting system is connected with the water inlet of the pretreatment unit, the water outlet of the pretreatment unit with it is described
The water inlet of UF membrane module is connected, the water inlet of the water outlet connection advanced oxidation processing system of the UF membrane module；
The water outlet of the recovery system by pipeline via the back washing device respectively with the pretreatment unit, UF membrane module
Water inlet is connected, to carry out backwash to the pretreatment unit, UF membrane module using the water in recovery system；
Preferably, the pretreatment unit is manganese sand filter；
It is further preferred that the UF membrane module is hollow fiber film assembly；
It is further preferred that the back washing device is backwash centrifugal pump.
4. system according to claim 1 or 2, which is characterized in that the advanced oxidation processing system includes the micro- gas of ozone
Steep generator, ozone contact tank and ozone tail gas destructor；
The water outlet of the ultra-filtration system is connected by pipeline with the water inlet of ozone contact tank, which goes out
The mouth of a river is connected with the water inlet of the ion exchange system；
The ozone microbubble generator is the device that can convert the ozone to nanoscale microbubble, by pipeline via
Pump is connected with the bottom end entrance of the ozone contact tank, which is injected the ozone from the bottom end entrance of ozone contact tank
In contact chamber；
The ozone contact tank top is equipped with exhaust port, and the exhaust port is by pipeline via blower and the ozone tail gas
Destructor is connected；
Preferably, the ozone contact tank is totally enclosed type lattice pond body.
5. system according to claim 1 or 2, which is characterized in that the resin that the ion exchange system uses is strong acid
Property cation exchange resin.
6. a kind of method of processing and reuse textile industry qualified discharge water is described in any item using claim 1-5
What the system for handling simultaneously reuse textile industry qualified discharge water was realized, it the described method comprises the following steps:
(1) textile industry qualified discharge water is discharged into the collecting system, uniform water quality；
(2) water obtained by step (1) is injected in ultra-filtration system, with most of SS, metallic colloid and the few portion gone in water removal
Divide COD；
(3) water obtained by step (2) is injected into advanced oxidation processing system, to carry out depth decoloration to water and continue to remove part
COD；
(4) water obtained by step (3) is injected into ion exchange system, with the calcium and magnesium ion gone in water removal, demineralized water；
(5) water obtained by step (4) is discharged into recovery system and is collected reuse.
7. according to the method described in claim 6, it is characterized in that, this method further includes a part of water for collecting step (5)
Return step (2), the operation to backwash ultra-filtration system.
8. method according to claim 6 or 7, which is characterized in that the pH value of the textile industry qualified discharge water is 8-
8.5, COD 40-80mg/L, SS 15-30mg/L, transparency 30-40cm, coloration is 32-128 times, and total iron is 0.2-
0.35mg/L, total hardness 300-600mg/L, conductivity < 2000 μ s/cm.
9. method according to claim 6 or 7, which is characterized in that this method further include using hydrochloric acid in step (4) from
The storng-acid cation exchange resin that sub- exchange system uses carries out regenerated operation.
10. according to the method described in claim 9, it is characterized in that, being quality in terms of 100% by the total weight of the hydrochloric acid
Concentration is 5%-10%.
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