CN105753255A - Advanced treatment recycling system for industrial park wastewater - Google Patents
Advanced treatment recycling system for industrial park wastewater Download PDFInfo
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- CN105753255A CN105753255A CN201610214141.2A CN201610214141A CN105753255A CN 105753255 A CN105753255 A CN 105753255A CN 201610214141 A CN201610214141 A CN 201610214141A CN 105753255 A CN105753255 A CN 105753255A
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- water
- reverse osmosis
- active carbon
- carbon filter
- dense water
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- 239000002351 wastewater Substances 0.000 title claims abstract description 26
- 238000004064 recycling Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 176
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 64
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 48
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 37
- 239000011734 sodium Substances 0.000 claims abstract description 32
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 30
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 28
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims description 41
- 238000001764 infiltration Methods 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 6
- 235000013399 edible fruits Nutrition 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000006385 ozonation reaction Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 235000012489 doughnuts Nutrition 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000012554 master batch record Methods 0.000 description 26
- 239000010842 industrial wastewater Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 4
- 229910001425 magnesium ion Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
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- 238000012806 monitoring device Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 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 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical group [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- -1 backwash Substances 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010921 garden waste Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 238000013014 water-saving technology 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an advanced treatment recycling system for industrial park wastewater. The system comprises an adjusting tank and a recycling water tank, wherein the adjusting tank is provided with a wastewater inlet and is sequentially connected with an efficient sedimentation tank, a middle water tank, a multi-medium filter, an external-pressure type ultra-filtration system, a sodium bed system and a pressure type reverse osmosis system through a pipeline; a concentrated water outlet of the pressure type reverse osmosis system is sequentially connected with a biochemical system, an MBR system, an active carbon filter, a concentrated water pressure type reverse osmosis system and a concentrated water active carbon filter through a pipeline; the concentrated water active carbon filter is provided with a water discharge port; the recycling water tank is connected with a recycling port of the pressure type reverse osmosis system and a recycling port of the concentrated water pressure type reverse osmosis system through a pipeline; the recycling water tank is provided with a recycling water pump and a recycling water port; and the recycling water pump is connected with the recycling water port. In the system, the qualified effluent obtained by the biochemical treatment of the industrial park wastewater can be further treated, the yielding water is adopted for circular water supply, and an aim of wastewater reduction after up-to-standard discharge is achieved.
Description
Technical field
The present invention relates to field of industrial waste water treatment, particularly relate to a kind of industrial park waste water system for advanced treatment and recycle for industrial park.
Background technology
Continuous foundation along with domestic industry garden, garden discharged volume of industrial waste water increases gradually, how to improve the utilization rate of garden industrial wastewater, strengthen Industrial Water Saving work further, alleviate the imbalance between supply and demand of China's water resource, the impetus of containment water environment degradation, promote the coordinated development of industrial economy and water resource and environment, realize garden waste water on basis up to standard, discharge minimizing, especially industrial wastewater disorderly discharge in April, 2015 Inner Mongol Tengger desert garden is after being exposed by the media, practise chairman in person to make comments and instructions, the process to garden industrial wastewater and utilization will be strengthened.Just promulgate that " China's water-saving technology policy outline " head proposes the requirement of development efflux wastewater reuse technology as far back as country in 2005, but it is bigger that the feature of garden industrial wastewater is that water quality and quantity fluctuates sometimes, then it is easy to advanced treatment system is impacted, if advanced treatment system technique imperfection, it is difficult to ensure that its normal table runs, just cannot guarantee to provide qualified recycle-water.
Summary of the invention
Based on the problem existing for above-mentioned prior art, the present invention provides a kind of industrial park waste water system for advanced treatment and recycle, when ensureing system stable operation, the further reuse of garden industrial wastewater can be made, thus creating good economic benefit and environmental benefit.
For solving above-mentioned technical problem, the present invention provides a kind of industrial park waste water system for advanced treatment and recycle, and this system includes:
Regulating reservoir, is provided with water intake；
Described regulating reservoir is sequentially connected with efficient sedimentation tank, intermediate pool, more medium filter, external-compression type ultrafiltration system, sodium bed system and pressure type counter-infiltration system by pipeline, and the dense water outlet of described pressure type counter-infiltration system is sequentially connected with biochemical system, MBR system, active carbon filter, dense water pressure formula counter-infiltration system and dense water active carbon filter through pipeline；
Described active carbon filter is provided with and surmounts pipeline between the water inlet of the outlet being connected to described MBR system and described dense water pressure formula counter-infiltration system；
Described dense water active carbon filter is provided with outer discharge outlet and surmount pipeline, described in surmount between dense water out and the outer discharge outlet of described dense water active carbon filter that pipeline is connected to described dense water pressure formula counter-infiltration system；
Reuse pool, is connected through the reuse mouth of pipeline with the reuse mouth of described pressure type counter-infiltration system and described dense water pressure formula counter-infiltration system respectively, and this reuse pool is provided with reuse water pump and the reuse mouth of a river, and described reuse water pump is connected with the described reuse mouth of a river.
The invention have the benefit that
(1) efficient sedimentation tank carries out preliminarily softened and except silicon, removes further after firmly through sodium bed, is ensureing also further to ensure that while former water reverse osmosis normal table runs the stable operation of dense water reverse osmosis unit.
(2) MBR, ultrafiltration, reverse osmosis all adopt pressure as detachment dynamic, and stable equipment operation is reliable, and automaticity is high.
(3) reverse osmosis adopts multisection type design, and the response rate is high, and the system response rate can reach 80%～90%.
(4) MBR produces water quality stabilizing, thus ensureing to enter reverse osmosis unit influent quality.
(5) film device facility compact, saves and takes up an area, and reduces investment cost.Automaticity is high, and operation runs simplicity, and floor space is less
(6) the process system of the present invention can adjust operational factor flexibly for different quality, it is ensured that system normal table runs.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
The industrial park waste water system for advanced treatment and recycle schematic diagram that Fig. 1 provides for the embodiment of the present invention；
The parts that in Fig. 1, each label is corresponding are: 1-regulating reservoir；2-efficient sedimentation tank；3-intermediate pool；4-more medium filter；5-ultrafiltration apparatus；Is produced from pond in 6-ultrafiltration；7-sodium bed；8-sodium bed produces pond；9-reverse osmosis unit；10-reuse pool；The dense water collecting pit of 11-；12-efficient oxidation pond；13-cushions pond；14-biochemistry pool；15-MBR device；16-MBR discharge bay；17-active carbon filter；The dense water reverse osmosis unit of 18-；The final dense pond of 19-；The dense water active carbon filter of 20-.
Detailed description of the invention
Below the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into protection scope of the present invention.
Based on above-mentioned prior art Problems existing, the present invention provides a kind of garden advanced treatment of industrial waste water and reuse method, when ensureing system stable operation, makes the further reuse of garden industrial wastewater, thus creating good economic benefit and environmental benefit.
As it is shown in figure 1, the embodiment of the present invention provides a kind of industrial park waste water system for advanced treatment and recycle, this system includes:
Regulating reservoir, is provided with water intake；
Regulating reservoir is sequentially connected with efficient sedimentation tank, intermediate pool, more medium filter, external-compression type ultrafiltration system, sodium bed system and pressure type counter-infiltration system by pipeline, and the dense water outlet of pressure type counter-infiltration system is sequentially connected with biochemical system, MBR system, active carbon filter, dense water pressure formula counter-infiltration system and dense water active carbon filter through pipeline；
Described active carbon filter is provided with and surmounts pipeline between the water inlet of the outlet being connected to described MBR system and described dense water pressure formula counter-infiltration system；
Dense water active carbon filter is provided with outer discharge outlet and surmounts pipeline, surmounts between dense water out and the outer discharge outlet of dense water active carbon filter that pipeline is connected to dense water pressure formula counter-infiltration system；
Reuse pool, it is connected through the reuse mouth of pipeline with the reuse mouth of pressure type counter-infiltration system and dense water pressure formula counter-infiltration system respectively, this reuse pool is provided with reuse water pump and the reuse mouth of a river, and reuse water pump is connected with the reuse mouth of a river, can provide required for follow-up water spot and use water.
In above-mentioned reclaiming system, being provided with efficient sedimentation tank elevator pump in regulating reservoir, efficient sedimentation tank elevator pump is connected with the water inlet of efficient sedimentation tank.This regulating reservoir can regulate former water by balanced water quality and quantity.
In above-mentioned reclaiming system, efficient sedimentation tank is provided with aluminium polychlorid, Calx and sodium carbonate throwing device, is provided with agitating device and guide shell lifting device in the sedimentation tank of efficient sedimentation tank.By arranging aluminium polychlorid, Calx and sodium carbonate throwing device, system dosing can be automatically adjusted chemical feeding quantity according to monitoring device, saves operating cost.
In above-mentioned reclaiming system, intermediate pool is provided with more medium filter elevator pump, and more medium filter elevator pump is connected with the water inlet of more medium filter；
More medium filter adopts pressure type more medium filter, and internal filling quartz sand and anthracite are as filter medium.This more medium filter can remove most suspended substances and part colloid in efficient sedimentation tank water outlet.
In above-mentioned reclaiming system, external-compression type ultrafiltration system is produced pond by the ultrafiltration apparatus being sequentially connected with and ultrafiltration and forms, and ultrafiltration apparatus is provided with external pressure type ultra-filtration membrane, and the filtration diameter of external pressure type ultra-filtration membrane is 0.002～0.1 μm, and membrane flux is 40～50l/ (m2H), the pressure that ultrafilter membrane bears is 0.05～0.3MPa；This ultrafiltration apparatus can remove the impurity such as the float in water body, colloid, larger molecular organics further, and protection subsequent film equipment safety runs.Adopt cross flow filter when this ultrafiltration apparatus carries out hyperfiltration treatment, at interval of 30min, ultrafiltration apparatus carried out a backwash.
Ultrafiltration is produced in pond and is provided with sodium bed elevator pump, and sodium bed elevator pump is connected with the water inlet of sodium bed system.
In above-mentioned reclaiming system, sodium bed system is produced pond by the sodium bed being sequentially connected with and sodium bed and forms, filling Na type resin in sodium bed；Sodium bed can anhydrate middle calcium ions and magnesium ions further, thus the total hardness reduced in water, the product total hardness of water of sodium bed at 50mg/L (with CaCO3Meter).
Sodium bed produces in pond and is provided with reverse osmosis feedwater pump, and reverse osmosis feedwater pump is connected with the water inlet of counter-infiltration system.
In above-mentioned reclaiming system, pressure type counter-infiltration system is by the reverse osmosis unit being sequentially connected with and dense water collecting pit；
Being provided with anti-pollution reverse osmosis membrane in pressure type reverse osmosis unit, reverse osmosis membrane is polyamide composite film, and width of flow path is 34mil, and the maximum pressure that reverse osmosis membrane bears is 4.1MPa, and membrane flux is 15～18L/ (m2 h)；Described reverse osmosis unit adopts two-period form structure, and every section is respectively provided with flow and takes into account Pressure gauge, and inter-section booster is set, the response rate is 75%～80%.Can organics removal, salt be graded further by this pressure type reverse osmosis unit.Dense water collecting pit can store reverse osmosis concentrated water, improves the utilization rate of waste water further.
In above-mentioned reclaiming system, biochemical system is made up of the efficient oxidation pond being sequentially connected with, buffering pond and biochemistry pool.Ultraviolet lamp tube is set in efficient oxidation pond and connects the pure titanium aeration plate of micropore that external ozone generator is ozonation aerated, Chi Ding is provided with the gas skirt for collecting tail gas and vent ozone destructor, ultraviolet lamp tube irradiates, micropore pure titanium aeration plate is adopted to carry out ozonation aerated, tail gas collected by gas skirt, coordinates with vent ozone destructor and absorbs the remaining ozone of process；The Organic substance of difficult degradation in dense water is carried out open loop chain rupture to improve wastewater biodegradability by this efficient oxidation pond；The product water in buffering Ponding efficient oxidation pond, allows simultaneously and subsequent biochemical unit has in water the material of harm decay further release；Biochemistry pool adopts the biochemical treatment unit of A/O technique, by the pollutant such as COD and ammonia nitrogen in the further degradation water of microorganism, it is ensured that the normal table of subsequent film system runs, and ensures to arrange dense water water quality reaching standard outside finally simultaneously,
In above-mentioned reclaiming system, MBR system is made up of the MBR device being sequentially connected with and MBR discharge bay, and MBR device adopts the MBR membrane component of doughnut, and MBR membrane component material is PVDF, and membrane flux is 15～20L/ (m2·h)；MBR produces pond and is provided with active carbon filter feed pump, is connected with the water inlet of active carbon filter；
Dense water counter-infiltration system is made up of the dense water reverse osmosis unit being sequentially connected with and final dense pond, dense water pressure formula reverse osmosis unit is provided with anti-pollution reverse osmosis membrane, reverse osmosis membrane material is polyamide composite film, width of flow path is 34mil, the maximum pressure that reverse osmosis membrane bears is 4.1MPa, membrane flux is 13～15L/ (m2 h), described reverse osmosis unit adopts two-period form structure, every section is respectively provided with flow and takes into account Pressure gauge, and inter-section booster is set, the response rate is 50%～60%, this dense water pressure formula counter-infiltration system salt rejection rate is more than 97%, the response rate is 50%；Final pond of producing is provided with dense water active carbon filter feed pump, is connected with the water inlet of dense water active carbon filter.
In above-mentioned reclaiming system, active carbon filter adopts pressure type active carbon filter, the active fruit shell carbon of internal loaded particles, it is preferred to use oarse-grained active fruit shell carbon；
Dense water active carbon filter adopts pressure type active carbon filter, the active fruit shell carbon of internal loaded particles, it is preferred to use oarse-grained active fruit shell carbon.The Organic substance in water can be adsorbed further by active carbon filter and dense water active carbon filter.
Above-mentioned reclaiming system is as follows to the During Industrial Wastewater Treatment Process of garden: the industrial wastewater of garden enters regulating reservoir and carries out water quality and quantity adjustment, water outlet after adjustment enters efficient sedimentation tank and carries out pretreatment, pretreated water outlet through more medium filter remove float laggard enter ultrafiltration system, larger molecular organics and colloid is removed by the ultrafilter membrane of ultrafiltration system, ultrafiltration is produced water and is entered sodium bed system, softened further by sodium bed system, product water after softening enters pressure type counter-infiltration system and carries out desalination, and the product water of pressure type counter-infiltration system carries out reuse；The dense water of pressure type counter-infiltration system sequentially enters efficient oxidation pond and biochemistry pool, the water outlet of biochemistry pool enters active carbon filter adsorption filtration after MBR system processes, the dense further desalination of water counter-infiltration system it is lifted into, final outer row's dense water standard discharge after overrich water active carbon filter adsorption filtration after adsorption filtration.
Dense water active carbon filter is provided with and surmounts pipeline, not through this filter during actual motion, just passes through this dense water active carbon filter when simply water water quality exists fluctuation, it is ensured that system normal table runs and final outer draining is up to standard all the time.
The reclaiming system of the present invention can realize garden industrial wastewater and repeat recycling and minimizing qualified discharge.
Below in conjunction with specific embodiment, the reclaiming system of the present invention is described further.
The reclaiming system of the present invention with to industrial park waste water advanced treating and reuse for target (containing high-recovery, low emission), reuse effluent quality meets " recirculated cooling water regeneration water standard " GB50050-2007, and the dense water of outer row generally reaches GB8978-1996 " integrated wastewater discharge standard " primary standard.
Efficient sedimentation tank is mainly used for Calx, sodium carbonate, flocculant and carry out the facility that mixes, react and clarify, lime slurry, sodium carbonate liquor, flocculant concentration is to intaking, after blender mix homogeneously, entering reaction zone and carry out being fully contacted reaction production precipitate, mixed liquor enters settling zone and carries out solid-liquid separation, reach to remove hardness in water, the purpose of silicon and float.Efficient sedimentation tank is divided into mixed zone, reaction zone, settling zone, mud district and clear water zone.A mud part bottom efficient sedimentation tank refluxes, and is transported to biochemical sludge system in part through sludge pump and processes.
The product water of intermediate pool through more medium filter elevator pump promote after through more medium filter, the product water of efficient sedimentation tank is filtered by quartz sand and anthracite by filling in more medium filter further, remove the float in water and part colloidal substance, more medium filter adopts air water associating backwash, according to the operation time or run pressure reduction and water outlet SDI value and carry out backwash (first comer is as the criterion), it is possible to electric control gear carries out Automatic Control.
In the ultrafiltration apparatus of ultrafiltration system, ultrafilter membrane adopts external-compression type PVDF material, ultrafilter membrane adopts cross flow filter, wrong flow-control is 10%～50%, control operating pressure between 0.05～0.2MPa, ultrafiltration apparatus is a cycle of operation at interval of 30min, including producing water, backwash, air bump rinse operation, just the step such as washing in cycle of operation, the persistent period of each step can be adjusted according to operation conditions.
The sodium bed of sodium bed system and demineralizer are for removing calcium ion in water, magnesium ion, produce the ion exchanger of softening water.In composition water, the ion exchange resin in the calcium of hardness, magnesium ion and demineralizer swaps, calcium in water, magnesium ion are by sodium ion exchange, make water is not easily formed carbonate scale and sulfate scale, thus obtaining softening water, not only ensure that the normal table of follow-up former water reverse osmosis unit runs, reducing the dosage of antisludging agent, also ensureing reverse osmosis concentrated water is always maintained at a lower value firmly, thus reducing the operation fouling risk of dense water reverse osmosis simultaneously.The recycled water of sodium bed produces water for it.
The water that produces of ultrafiltration enters the cartridge filter of 5 μm by booster pump, the reverse osmosis unit of counter-infiltration system is delivered to again by high-pressure pump pressurization, reverse osmosis unit adopts two-period form design, and every section is respectively provided with flow and takes into account Pressure gauge, and arranges inter-section booster, controls the response rate 75%～80%.Reverse osmosis unit arranges start, shuts down auto-flushing, and gets express developed once for every 2 hours.
Reverse osmosis concentrated water enters efficient oxidation pond after entering dense water collecting pit, adopts the strong oxidation of the free radical of UV-ozone effect generation to decompose the polluters such as the Organic substance in reverse osmosis water further, thus reducing the content of water pollutant.Described efficient oxidation pond arranges ultraviolet lamp tube, adopts micropore pure titanium aeration plate to carry out ozonation aerated, and Chi Ding adds gas skirt for collecting tail gas, if vent ozone destructor, is used for absorbing the remaining ozone of process.
Biochemistry pool is made up of anaerobic pond, anoxic pond, Aerobic Pond respectively.Sewage completes to release phosphorus in anaerobic pond, prepares for the cohesion phosphorus of Aerobic Pond.Denitrification denitrogenation is completed in anoxic zone from the nitrification liquid of Aerobic Pond backflow.The water outlet of anaerobic/anoxic pond enters Aerobic Pond, and sewage carries out COD, BOD in this pond5Deng the abatement of organic pollution, simultaneously complete nitration reaction.
MBR refers to a kind of new process system membrane separation device and active sludge biological reactor being combined into.It combines membrance separation engineering with biological engineering, replaces the second pond in common bioreactor with membrane separation device, thus obtaining efficient solid-liquid separation effect.
Every block response pond sets many group film row, and film unit is arranged in pond, sets perforated pipe aerating regulation at the bottom of pond, and water and small-molecule substance in mixed liquor pass through MBR film under the swabbing action of pump, it is achieved mud-water separation, and filtered solution is pooled to MBR via MBR collector pipe and produces pond.By sludge reflux pump by the sludge reflux of membrane cisterna terminal to distribution well, unnecessary excess sludge discharges system, and then can control concentration and the activity of activated sludge in system.
Simultaneously in order to ensure that MBR membrane module has good water flux, can persistently, stably water outlet, system arranges backwash, chemical backwash and chemical immersion rinser and film is timed cleaning.
Membrane material is Kynoar (PVDF).When on each film unit, installation manual water valve and pneumatic operated valve are easy to safeguard or clean, closedown does not affect the operation of other unit.System arranges a mantle on-line cleaning system, has automatically and manually handoff functionality.Other cell operation is not affected, it is ensured that system is run continuously during any one film unit off-line.
The operation of MBR system, Chemical cleaning, backwash, automatic on-line monitoring can adopt Automatic Control to run.Must configure complete by on-line monitoring instrument, the operated pneumatic valve arranged in system, to meet the needs of fully automatic operation.
MBR produces water and enters active carbon filter after active carbon filter elevator pump promotes, active carbon filter arranges and surmounts pipeline, when water variation water quality, can through active carbon filter, being directly entered follow-up dense water counter-infiltration system during actual motion, the backwash water of active carbon filter adopts the product water of ultrafiltration.
MBR produces water and promotes the cartridge filter delivering to 5 μm through pump, then is delivered to dense water reverse osmosis unit by high-pressure pump pressurization, and dense water reverse osmosis adopts two-period form design, and every section is respectively provided with flow and takes into account Pressure gauge, and arranges inter-section booster, circulating pump.Control the response rate 50%～60%.Start is set, shuts down auto-flushing, and get express developed once for every 1 hour.
The dense water of final dense water reverse osmosis enters final dense pond, direct outer row after pump promotes, when overproof water quality can through overrich water active carbon filter, to guarantee that outer draining matter meets related specifications requirement.
Dense water reverse osmosis unit is in constant current and runs.Dense water reverse osmosis unit needs to produce water continuous flushing with ultrafiltration/MBR before start, and washing time is about 3～5min, it is therefore an objective to remover apparatus internal memory hydrops and possibly into air.Device needs to use reverse osmosis produced water continuous flushing before shutting down, and the time controls at 5～10min, it is therefore an objective to replaced completely by water dense in device.
Arranging cartridge filter before dense water reverse osmosis unit, built-in filtering accuracy is the filter element of 5 μm, occurs that particulate matter causes that membrane component damages for protection exception situation.
When ultrafiltration/MBR device aquifer yield declines or transmembrane pressure reaches membrane component standard value, it is necessary to run ultrafiltration rinser.Ultrafiltration rinser is mainly made up of cleaning pump, cleaning water tank, sodium hypochlorite medicine adding device, electric heater, automatic valve and monitoring device.The step sequences such as cleaning can adopt automatic program to complete to make up a prescription, medicinal liquid wash cycles, chemicals liquid discharge, flushing, finally realize ultrafiltration apparatus and resume operation.
When reverse osmosis unit aquifer yield declines or intersegmental pressure reduction reaches membrane component standard value, it is necessary to run reverse osmosis rinser.Reverse osmosis rinser is mainly cleaned pump by reverse osmosis, water tank is cleaned in reverse osmosis, reverse osmosis is cleaned cartridge filter, electric heater, manually-operated gate and monitoring device and formed.The step sequences such as cleaning employing is manually made up a prescription, medicinal liquid wash cycles, chemicals liquid discharge, flushing, finally realize reverse osmosis unit and resume operation.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope of present disclosure; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. an industrial park waste water system for advanced treatment and recycle, it is characterised in that this system includes:
Regulating reservoir, is provided with water intake；
Described regulating reservoir is sequentially connected with efficient sedimentation tank, intermediate pool, more medium filter, external-compression type ultrafiltration system, sodium bed system and pressure type counter-infiltration system by pipeline, and the dense water outlet of described pressure type counter-infiltration system is sequentially connected with biochemical system, MBR system, active carbon filter, dense water pressure formula counter-infiltration system and dense water active carbon filter through pipeline；
Described active carbon filter is provided with and surmounts pipeline between the water inlet of the outlet being connected to described MBR system and described dense water pressure formula counter-infiltration system；
Described dense water active carbon filter is provided with outer discharge outlet and surmount pipeline, described in surmount between dense water out and the outer discharge outlet of described dense water active carbon filter that pipeline is connected to described dense water pressure formula counter-infiltration system；
Reuse pool, is connected through the reuse mouth of pipeline with the reuse mouth of described pressure type counter-infiltration system and described dense water pressure formula counter-infiltration system respectively, and this reuse pool is provided with reuse water pump and the reuse mouth of a river, and described reuse water pump is connected with the described reuse mouth of a river.
2. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterised in that being provided with efficient sedimentation tank elevator pump in described regulating reservoir, described efficient sedimentation tank elevator pump is connected with the water inlet of described efficient sedimentation tank.
3. industrial park waste water system for advanced treatment and recycle according to claim 1 and 2, it is characterized in that, described efficient sedimentation tank is provided with aluminium polychlorid, Calx and sodium carbonate throwing device, is provided with agitating device and guide shell lifting device in the sedimentation tank of described efficient sedimentation tank.
4. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterised in that described intermediate pool is provided with more medium filter elevator pump, and described more medium filter elevator pump is connected with the water inlet of described more medium filter；
Described more medium filter adopts pressure type more medium filter, and internal filling quartz sand and anthracite are as filter medium.
5. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterized in that, described external-compression type ultrafiltration system is produced pond by the ultrafiltration apparatus being sequentially connected with and ultrafiltration and forms, described ultrafiltration apparatus is provided with external pressure type ultra-filtration membrane, the filtration diameter of external pressure type ultra-filtration membrane is 0.002～0.1 μm, and membrane flux is 40～50l/ (m2H), the pressure that ultrafilter membrane bears is 0.05～0.3MPa；
Described ultrafiltration is produced in pond and is provided with sodium bed elevator pump, and described sodium bed elevator pump is connected with the water inlet of described sodium bed system.
6. industrial park waste water system for advanced treatment and recycle according to claim 1 or 5, it is characterised in that described sodium bed system is produced pond by the sodium bed being sequentially connected with and sodium bed and forms, filling Na type resin in described sodium bed；
Described sodium bed produces in pond and is provided with reverse osmosis feedwater pump, and described reverse osmosis feedwater pump is connected with the water inlet of described counter-infiltration system.
7. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterised in that described pressure type counter-infiltration system is by the reverse osmosis unit being sequentially connected with and dense water collecting pit；
Being provided with anti-pollution reverse osmosis membrane in described reverse osmosis unit, reverse osmosis membrane is polyamide composite film, and width of flow path is 34mil, and the maximum pressure that reverse osmosis membrane bears is 4.1MPa, and membrane flux is 15～18L/ (m2 h)；
Described reverse osmosis unit adopts two-period form structure, and every section is respectively provided with flow and takes into account Pressure gauge, and inter-section booster is set, the response rate is 75%～80%.
8. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterised in that described biochemical system is made up of the efficient oxidation pond being sequentially connected with, buffering pond and biochemistry pool；
Arranging ultraviolet lamp tube in described efficient oxidation pond and connect the pure titanium aeration plate of micropore that external ozone generator is ozonation aerated, Chi Ding is provided with the gas skirt for collecting tail gas and vent ozone destructor.
9. industrial park waste water system for advanced treatment and recycle according to claim 1, it is characterized in that, described MBR system is made up of the MBR device being sequentially connected with and MBR discharge bay, described MBR device adopts the MBR membrane component of doughnut, MBR membrane component material is PVDF, and membrane flux is 15～20L/ (m2·h)；Described MBR produces pond and is provided with active carbon filter feed pump, is connected with the water inlet of described active carbon filter；
Described dense water counter-infiltration system is made up of the dense water reverse osmosis unit being sequentially connected with and final dense pond, described dense water pressure formula reverse osmosis unit is provided with anti-pollution reverse osmosis membrane, reverse osmosis membrane material is polyamide composite film, width of flow path is 34mil, the maximum pressure that reverse osmosis membrane bears is 4.1MPa, and membrane flux is 13～15L/ (m2 h)；Described dense water reverse osmosis unit adopts two-period form structure, and every section is respectively provided with flow and takes into account Pressure gauge, and arranges inter-section booster, circulating pump, and the response rate is 50%～60%；Described final product pond is provided with dense water active carbon filter feed pump, is connected with the water inlet of described dense water active carbon filter.
10. the industrial park waste water system for advanced treatment and recycle according to claim 1 or 9, it is characterised in that described active carbon filter adopts pressure type active carbon filter, the active fruit shell carbon of internal loaded particles；
Described dense water active carbon filter adopts pressure type active carbon filter, the active fruit shell carbon of internal loaded particles.
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