CN201433151Y - Device for treating micro-polluted surface water - Google Patents
Device for treating micro-polluted surface water Download PDFInfo
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- CN201433151Y CN201433151Y CN2009201092382U CN200920109238U CN201433151Y CN 201433151 Y CN201433151 Y CN 201433151Y CN 2009201092382 U CN2009201092382 U CN 2009201092382U CN 200920109238 U CN200920109238 U CN 200920109238U CN 201433151 Y CN201433151 Y CN 201433151Y
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- 239000002352 surface water Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000012528 membrane Substances 0.000 claims abstract description 53
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 32
- 238000005345 coagulation Methods 0.000 claims abstract description 25
- 230000015271 coagulation Effects 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims abstract description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 abstract description 15
- 235000020188 drinking water Nutrition 0.000 abstract description 10
- 239000003651 drinking water Substances 0.000 abstract description 10
- 238000004062 sedimentation Methods 0.000 abstract description 9
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 8
- 238000011001 backwashing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000004907 flux Effects 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 241000243686 Eisenia fetida Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000238571 Cladocera Species 0.000 description 1
- 241000223935 Cryptosporidium Species 0.000 description 1
- 241000224467 Giardia intestinalis Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000005422 algal bloom Substances 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229940085435 giardia lamblia Drugs 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
Images
Classifications
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A device for treating micro-polluted surface water belongs to the technical field of drinking water advanced purifying treatment and comprises a raw water basin, a raw water filter, a biological filtering basin, a coagulating basin, a sedimentation basin, a middle water basin, an ultra-filtration membrane component and a clear water basin. A raw water pump is arranged between the raw water basin and the biological filtering basin; the biological filtering basin is connected with the coagulating basin through a valve and a pipeline; the coagulating basin, the sedimentation basin and the middlewater basin are connected with one another through a pipeline and a valve respectively; an ultra-filtration water inlet pump is arranged between the middle water basin and the ultra-filtration membrane component; the ultra-filtration membrane component is connected with the clear water basin through a pipeline and a valve; an aeration blowing system and a biological filtering basin back-washing system are arranged at the bottom of the biological filtering basin; a dosing system is arranged outside the coagulating basin; and an ultra-filtration back-washing system is arranged outside the ultra-filtration membrane component. The utility model organically integrates biological degradation and coagulation with ultra-filtration physical retention, has the effect of better removing ammonia nitrogen, organisms and the like in the micro-polluted surface water, and is novel drinking water advanced purifying equipment.
Description
Technical field
The utility model relates to a kind of water treating equipment, and particularly a kind of device with biological filter-coagulating sedimentation-ultra-filtration membrane combined treatment micro-polluted surface water belongs to the drinking water deep purification processing technology field.
Background technology
In the face of the variation of source quality, conventional drinking water treatment technology has seemed unable to do what one wishes.Experimental study both domestic and external and actual production result show, contaminated water source water can only be removed in the water 20%～30% organism through coagulation, precipitation and the filtration process of routine, and, be unfavorable for destroying colloidal stability and make common process raw water turbidity removal effect obviously descend (only being 50%～60%) because dissolved organic matter exists.Improve treatment effect with the mode that increases coagulant charging quantity, cost of water treatment is risen, and may make underwater gold belong to ionic concn to increase, be unfavorable for that also the resident's is healthy.The ubiquitous ammonia nitrogen problem conventional processing that exceeds standard can not effectively solve in the surface pond.At present domestic most of water factories adopt the method for breakpoint chlorination to control ammonia nitrogen concentration in the output water, and obtaining necessary active chlorine residue, but consequent a large amount of Organohalogen compounds cause the water quality toxicological safety to descend again.
New pathogenic protozoon-Lan Shi giardia lamblia and Cryptosporidium (" two worms ") are found simultaneously 20 end of the centurys in the water, algal bloom and algae toxin occur, smelt great microbial safety problems such as the biologically stable of flavor, water, harmful hydrobiont-Cyclop and red worm, existing conventional coagulating sedimentation filter-sterilized technology can't solve effectively, remains to be developed safer more effective urban drinking water purification process under this background.
Being core with the membrane technique has caused people's extensive concern as a new technology of Micro-polluted Water, is described as 21 century one of the most promising water technology.Particulate matter in the effective trap water of ultra-filtration membrane energy is reduced to below the 0.1NTU delivery turbidity, and can removes larger molecular organics, and microorganisms such as most algae, water flea, red worm, two worms, bacterium even virus.
Relate to the uf processing micro-polluted water as the patent of tap water as " ultra-filtration membrane coagulation/adsorption/bioreactor integrating advanced water degree treatment process and device thereof " 200810063897.7, adopted incorporate device situation, saved floor space, exist simultaneously the lower problem of operating flux with; Patent " ultrafiltration-jet supplementing ozone-ultraviolet secondary excitation produces the technology and the technology of free radical purifying slightly polluted water source water " 02128903.4, dissolved oxygen in uv sterilisation in the secondary excitation water and ozone, generation has the free radical of strong oxidizing property, can kill various pathogenic agent and remove suspended substance etc., but can not remove the ammonia nitrogen in the micro-polluted surface water; " at the built-up type ultrafiltrationmembrane process treatment unit of drinking water treatment " 200420109820.6 utility models are disinfection way and ultrafiltration Combination Optimized, do not relate to Biological Pretreatment, can not remove ammonia nitrogen in the micro-polluted surface water etc.
The trend that drinking water standard improves gradually in the face of the water source runs down, how ultrafiltration membrane technique is applied in the drinking water treatment engineering, guaranteeing the stability of high-quality, security, stability and the engineering operation of treat effluent, is problem demanding prompt solution on the present ultra-filtration membrane drinking water treatment technology.
The utility model content
The purpose of this utility model is at the micro-polluted surface water water source, researches and develops a kind of drinking water deep treatment facility that can significantly improve effluent quality.
A kind of device of handling micro-polluted surface water that the utility model provides is characterized in that: described device comprises former pond 1, raw water filtration device 2, biological filter 3, coagulation basin 4, settling tank 5, intermediate pool 15, hyperfiltration membrane assembly 6 and clean water basin 16; Between described former pond and biological filter, be provided with raw water pump 7; Between biological filter and coagulation basin, be connected with valve by pipeline; Coagulation basin, settling tank and intermediate pool are connected by pipeline and valve respectively; Be provided with ultrafiltration intake pump 11 between intermediate pool and the supermembrane assembly; Hyperfiltration membrane assembly is connected with clean water basin 16 with valve by pipeline; Be provided with blast aeration system and biological filter back-purge system in the bottom of biological filter; Be provided with medicine system 8 in described coagulation basin outside, in coagulation basin, be provided with whipping appts 14; Described hyperfiltration membrane assembly outside is provided with the hyperfiltration reverse-rinsing system.
Settling tank described in the said apparatus adopts tube settler or inclined-plate clarifying basin; Described hyperfiltration membrane assembly adopts external placed type, and mould material is polyvinylidene difluoride (PVDF) or polyvinyl chloride, and the fenestra aperture is at 0.01～0.1 micron; The material that adds of described biological filter adopts zeolite or haydite.
The utlity model has following advantage: generally be subjected to the pollution of organism and ammonia nitrogen at drinking water source, coagulating sedimentation and the ultrafiltration of biological treatment with routine organically combined, remove ammonia nitrogen and part small organic molecule by biological treatment, coagulating sedimentation is removed in the part, larger molecular organics, at last by the efficient crown_interception of ultra-filtration membrane, remove particulate matter and microorganism, make its water outlet reach the drink water standard.The utility model adopts the external placed type hyperfiltration membrane assembly, effectively raises membrane flux, has reduced the usable floor area of ultra-filtration membrane, and assembly is convenient to change, and has reduced construction costs and working cost.Adopt the external membrane assembly further to reduce the leakage of microorganism and particulate matter simultaneously.Concentrated solution is back to coagulative precipitation tank in the utility model hyperfiltration membrane assembly, carries out solid-liquid separation in coagulative precipitation tank, has further improved the utilization ratio of water.
Description of drawings
A kind of structure and process flow sheet of handling the micro-polluted surface water device that Fig. 1 provides for this practicality.
Among the figure: the former pond of 1-; 2-raw water filtration device; The 3-biological filter; The 4-coagulation basin; The 5-settling tank; The 6-hyperfiltration membrane assembly; The 7-raw water pump; The 8-medicine system; The 9-blower fan; 10-biological filter backwashing pump; 11-ultrafiltration intake pump; 12-backwash air compressor; 13-hyperfiltration reverse-rinsing pump; The 14-whipping appts; The 15-intermediate pool; The 16-clean water basin.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of long-pending process flow sheet of structure of handling the micro-polluted surface water device that Fig. 1 provides for the utility model, this device comprises former pond 1, raw water filtration device 2, biological filter 3, coagulation basin 4, settling tank 5, intermediate pool 15, hyperfiltration membrane assembly 6 and clean water basin 16; Between described former pond and biological filter, be provided with raw water pump 7; Between biological filter and coagulation basin, be connected with valve by pipeline; Coagulation basin, settling tank and intermediate pool are connected by pipeline and valve respectively; Be provided with ultrafiltration intake pump 11 between intermediate pool and the supermembrane assembly; Hyperfiltration membrane assembly is connected with clean water basin 16 with valve by pipeline; Be provided with blast aeration system and biological filter back-purge system in the bottom of biological filter; Be provided with medicine system 8 in described coagulation basin outside, in coagulation basin, be provided with whipping appts 14; Described hyperfiltration membrane assembly outside is provided with super hyperfiltration reverse-rinsing system.The biological filter adopts zeolite or haydite for adding material.Described settling tank adopts tube settler or inclined-plate clarifying basin.
Its concrete technology body flow process is: pending former water comprises that the lower lake of turbidity, reservoir water and the rivers water after predefecation is handled etc. in former pond 1, arrive biological filter 3 by raw water pump 7 through filter 2; The hydraulic detention time of biological filter is in 10～60min scope, and ammonia nitrogen and organism be 3 degradeds in the biological filter.The biological filter is a BAF, and the material that adds of biological filter adopts zeolite or haydite; By blower fan 9 is biological filter 3 air feed, and gas-water ratio is 0.5: 1～2: 1 scopes, to satisfy the microorganism oxygen requirement.And regularly back flushing is carried out in the biological filter, and drawing water from clean water basin 16 by biological filter backwashing pump 10 and squeeze into the biological filter 3 from the bottom, the pressurized air that backwash air compressor 12 provides enters from the bottom, biological filter, and back flushing is carried out in the biological filter; The backwash water outlet is discharged system by solenoid control, and magnetic valve and backwashing pump 10 are synchronous; Be provided with mud discharging device in the bottom, biological filter simultaneously, regularly to the biological filter spoil disposal.The water outlet of biological filter 3 arrives coagulation basin 4, adds coagulating agent by medicine system 8 in coagulation basin, and coagulating agent can be used for one or more of coagulating agent that tap water produces for polymerize aluminum chloride, iron(ic) chloride, Tai-Ace S 150, PAFS or other.In coagulation basin 4, flow automatically in swash plate (or inclined tube) settling tank 5 after stirring by 14 pairs of mixed solutions of whipping appts, behind coagulating sedimentation, can remove medium molecule and macromolecular organism, in settling tank, carry out solid-liquid separation, mud is controlled regular discharge system through pipeline by valve in the settling tank, and supernatant liquor flows automatically in the intermediate pool 15; Through ultrafiltration intake pump 11 from middle pond 15, aspirate the pressurization after in hyperfiltration membrane assembly 6, the ultra-filtration membrane material can be polyvinylidene difluoride (PVDF) or polyvinyl chloride or other ultra-filtration membranes, the aperture should be in 0.01 micron～0.1 micrometer range, the form of hyperfiltration membrane assembly can be tubular fibre formula or roller shutter type, in 0.01MPa～0.15MPa scope, membrane flux is at 20L/m by hyperfiltration membrane assembly 11 control ultrafiltration membrane pressures
2.h～100L/m
2.h scope, thereby ultrafiltration and concentration liquid is back to coagulation basin and makes formation cross-flow in the hyperfiltration membrane assembly, through settling tank carry out solid-liquid separation or during by the ultra-filtration membrane backwash water outlet behind coagulating sedimentation, carry out solid-liquid separation, for guaranteeing that membrane flux regularly carries out back flushing to hyperfiltration membrane assembly, regularly from clean water basin, draw water and squeeze in the hyperfiltration membrane assembly 6 by hyperfiltration reverse-rinsing pump 13, simultaneously provide backwash gas for hyperfiltration membrane assembly, in hyperfiltration membrane assembly 6, form air-water backwashing by backwash air compressor 12.Close ultrafiltration water inlet and ultrafiltration water outlet and return valve during backwash, open backwash water inlet, backwash water outlet and backwash air intake valve.The backwash cycle is determined according to ultrafiltration membrane pressure and membrane flux.The ultra-filtration membrane water outlet can be transported to the user to clean water basin 16 after sterilization.
Lift a specific embodiment below
Embodiment 1: pending former water is lake water.Draw water from former pond by raw water pump and to enter the biological filter through the video disc strainer, 2～3 millimeters zeolite is adopted in the biological filter, hydraulic detention time in the biological filter is 30min, gas-water ratio is 2: 1, its water outlet enters coagulative precipitation tank, in coagulative precipitation tank, press 6mg/L by medicine system and add polymerize aluminum chloride, coagulation entered inclined-plate clarifying basin after 5 minutes, sedimentation 30min in inclined-plate clarifying basin, supernatant liquor enters intermediate pool, squeezed in the hyperfiltration membrane assembly by ultrafiltrate pump suction pressurization, the ultra-filtration membrane aperture is 0.03 micron, and material is the hyperfiltration membrane assembly of polyvinylidene difluoride (PVDF) external placed type.Flux is 20L/m
2.h, pressure changes between 0.05～0.07Mpa.Filter 23 0min, backwash 1min30s, the hyperfiltration membrane assembly water outlet enters in the clean water basin, can be transported to the user after carrying out disinfection in clean water basin.Inlet and outlet water water quality is as shown in table 1.
Table 1
Embodiment 2:
Pending former water is river.Draw water from former pond by raw water pump and to enter the biological filter through the video disc strainer, 2～3 millimeters zeolite is adopted in the biological filter, hydraulic detention time in the biological filter is 10min, gas-water ratio is 0.5: 1, its water outlet enters coagulative precipitation tank, in coagulative precipitation tank, press 4mg/L by medicine system and add polymerize aluminum chloride, coagulation entered inclined-plate clarifying basin after 5 minutes, sedimentation 30min in inclined-plate clarifying basin, supernatant liquor enters intermediate pool, squeezed in the hyperfiltration membrane assembly by ultrafiltrate pump suction pressurization, the ultra-filtration membrane aperture is 0.1 micron, and material is the hyperfiltration membrane assembly of polyvinylidene difluoride (PVDF) external placed type.Flux is 100L/m
2.h, pressure changes between 0.12～0.15Mpa.Filter 23 0min, backwash 1min30s, the hyperfiltration membrane assembly water outlet enters in the clean water basin, can be transported to the user after carrying out disinfection in clean water basin.Inlet and outlet water water quality is as shown in table 2.
Table 2
Claims (4)
1. device of handling micro-polluted surface water, it is characterized in that: described device comprises former pond (1), raw water filtration device (2), biological filter (3), coagulation basin (4), settling tank (5), intermediate pool (15), hyperfiltration membrane assembly (6) and clean water basin (16); Between described former pond and biological filter, be provided with raw water pump (7); Between biological filter and coagulation basin, be connected with valve by pipeline; Coagulation basin, settling tank and intermediate pool are connected by pipeline and valve respectively; Be provided with ultrafiltration intake pump (11) between intermediate pool and the supermembrane assembly; Hyperfiltration membrane assembly is connected with clean water basin (16) with valve by pipeline; Be provided with blast aeration system and biological filter back-purge system in the bottom of biological filter; Be provided with medicine system (8) in described coagulation basin outside, in coagulation basin, be provided with whipping appts (14); Described hyperfiltration membrane assembly outside is provided with the hyperfiltration reverse-rinsing system.
2. a kind of device of handling micro-polluted surface water according to claim 1 is characterized in that: described biological filter adopts zeolite or haydite for adding material.
3. a kind of device of handling micro-polluted surface water according to claim 1 and 2 is characterized in that: described settling tank adopts tube settler or inclined-plate clarifying basin.
4. according to right 1 described a kind of device of handling micro-polluted surface water, it is characterized in that: described hyperfiltration membrane assembly adopts external placed type, and mould material is polyvinylidene difluoride (PVDF) or polyvinyl chloride, and the fenestra aperture is at 0.01～0.1 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092382U CN201433151Y (en) | 2009-06-19 | 2009-06-19 | Device for treating micro-polluted surface water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092382U CN201433151Y (en) | 2009-06-19 | 2009-06-19 | Device for treating micro-polluted surface water |
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| Publication Number | Publication Date |
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| CN201433151Y true CN201433151Y (en) | 2010-03-31 |
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ID=42051962
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| CN2009201092382U Expired - Fee Related CN201433151Y (en) | 2009-06-19 | 2009-06-19 | Device for treating micro-polluted surface water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624340A (en) * | 2017-03-16 | 2018-10-09 | 邢台旭阳科技有限公司 | Wet method coke pressure quenching system and coke quenching method |
| CN108911417A (en) * | 2018-08-10 | 2018-11-30 | 苏州立升膜分离科技有限公司 | Drinking water purification system |
| CN111875182A (en) * | 2020-08-07 | 2020-11-03 | 南京天河水环境科技有限公司 | Micro-polluted water treatment system |
| CN115536215A (en) * | 2022-10-19 | 2022-12-30 | 江西心连心化学工业有限公司 | High-efficient recovery system of chemical plant area rainwater |
-
2009
- 2009-06-19 CN CN2009201092382U patent/CN201433151Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624340A (en) * | 2017-03-16 | 2018-10-09 | 邢台旭阳科技有限公司 | Wet method coke pressure quenching system and coke quenching method |
| CN108911417A (en) * | 2018-08-10 | 2018-11-30 | 苏州立升膜分离科技有限公司 | Drinking water purification system |
| CN111875182A (en) * | 2020-08-07 | 2020-11-03 | 南京天河水环境科技有限公司 | Micro-polluted water treatment system |
| CN111875182B (en) * | 2020-08-07 | 2023-07-04 | 南京天河水环境科技有限公司 | Operation method of micro-polluted water body treatment system |
| CN115536215A (en) * | 2022-10-19 | 2022-12-30 | 江西心连心化学工业有限公司 | High-efficient recovery system of chemical plant area rainwater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20180619 |