CN209685515U - A kind of system of advanced treatment of wastewater and concentrated water disposition - Google Patents
A kind of system of advanced treatment of wastewater and concentrated water disposition Download PDFInfo
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- CN209685515U CN209685515U CN201920095441.2U CN201920095441U CN209685515U CN 209685515 U CN209685515 U CN 209685515U CN 201920095441 U CN201920095441 U CN 201920095441U CN 209685515 U CN209685515 U CN 209685515U
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Abstract
The utility model discloses the systems that a kind of advanced treatment of wastewater and concentrated water are disposed, including ultrafiltration apparatus, nanofiltration device, the pond level-one AO, the pond second level AO, the pond three-level AO, sedimentation basin, potassium permanganate composites, accurate filter, sludge concentration tank；The tail water of municipal sewage plant enters ultrafiltration apparatus, and using hyperfiltration membrane assembly removal colloid, suspended matter etc., concentrate recirculation to the original biochemical system of sewage plant produces water and enters nanofiltration device, removes partial solubility salt using nanofiltration membrane component and organic matter, stable water production are up to standard；The concentrated water segmentation of nanofiltration discharge enters level-one AO biochemistry pool, second level AO biochemistry pool, three-level AO biochemistry pool, and being acted on by nitration denitrification reduces ammonia nitrogen and total nitrogen content；Water mixed liquid is separated by sedimentation basin out；Water purification flows into potassium permanganate composites, reduces total phosphorus content by dosing；Water outlet is promoted to accurate filter and is filtered, and after the water purification of discharge is sterilized and nanofiltration produces water mixing up to standard.The utility model high degree of automation, effluent characteristics are good.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of advanced treatment of wastewater and concentrated water disposition are
System.
Background technique
Advanced treatment of wastewater refers to municipal sewage or industrial wastewater after level-one, two stage treatment, in order to reach more strictly
Discharge or recycle water standard and the further water treatment procedure taken.Raw water quality for sewage and treated that water quality is wanted
It asks, can further use tertiary treatment or multilevel processing technology.Trace amounts of CO D, BOD organic pollutant being usually used in water removal
Matter, ss suspended solid and nitrogen, phosphorus high concentration nutritional substance and salt.The method of advanced treating has: flocculent precipitation, sand filtration method, work
Property charcoal method, Ozonation, membrane separation process, ion-exchange, electrolysis processing, wet oxidation process, catalytic oxidation, evaporation and concentration
The physico-chemical process such as method and biological denitrificaion, dephosphorization method etc..Deep treatment method somewhat expensive manages more complex, it is necessary to according to
Sewage plant original processing system selects suitable advanced treatment process, to ensure to obtain optimal outlet effect and most economical
Processing, operating cost.
Biochemical processing process comparative maturity, but the removal efficiency of pollutant is not high enough, not can be removed low concentration in water
COD and phosphorus and nitrogen；Activated carbon method can effectively adsorb polluter, reduce COD, simple process, effect stability but
There are secondary pollutions for costly, discarded active carbon；Ozonation can effectively degrade COD and ammonia nitrogen, but invest big, running cost
With height；Ion-exchange denitrification effect is preferable, but resin is more expensive, and resin regeneration generates a large amount of waste liquids, easily causes secondary pollution.Electricity
Solution energy consumption is larger, nitric efficiency is low；Oxidizing process sludge quantity is big, equally exists secondary pollution；Evaporation concentration method energy consumption is very big,
And it is not suitable for handling the waste water of low concentration pollutant content.
It can effectively catching organic pollutant, suspended matter, dissolved salts using the membrane treatment process such as ultrafiltration, nanofiltration, reverse osmosis
Substance carries out advanced treating using tail water of this group technology to municipal sewage plant, and water outlet quality can stably reach " earth's surface water ring
Border quality standard " (GB3838-2002) III class standard, but the concentrated water that this group technology gives off contains a large amount of pollutant components, and
Salt content is high, can not direct emission, it is necessary to be handled again.
For the concentrated water of membrane processing method discharge, common processing method has: catalysis oxidation, evaporation and concentration, biochemical treatment, work
The absorption of property charcoal, flocculation sedimentation etc..
It is very high to be concentrated by evaporation energy consumption；There is also the problems that disposition is saturated useless charcoal for activated carbon adsorption；Though catalysis oxidation can have
COD in effect degradation concentrated water, but not can be removed nitrogen P elements；Though only flocculation sedimentation can effectively remove total phosphorus, not can be removed total
Therefore nitrogen can not stablize the dirts such as COD and nitrogen P elements, the suspended matter in effective removal concentrated water using single treatment process
Contaminate object.Find a kind of low energy consumption, the concentrated water treatment process that effluent quality is good, without secondary pollution seems most important.
Utility model content
In order to solve the above technical problems, what the utility model provided a kind of advanced treatment of wastewater and concentrated water disposition is
System.
The technical scheme adopted by the utility model is the system of a kind of advanced treatment of wastewater and concentrated water disposition, feature
It is: including ultrafiltration apparatus, nanofiltration device, level-one AO biochemistry pool, second level AO biochemistry pool, three-level AO biochemistry pool, sedimentation basin, highly dense
Spend sedimentation basin, accurate filter, sludge concentration tank；
Sewage plant original biochemical system water outlet is connected to by pipeline with the ultrafiltration apparatus, and the ultrafiltration produces water
Mouth is connected to by pipeline with the nanofiltration device, and the ultrafiltration apparatus concentrated water outlet passes through pipeline and sewage plant original biochemical system company
It is logical；The nanofiltration device concentrated water discharge outlet, level-one AO biochemistry pool, second level AO biochemistry pool, three-level AO biochemistry pool pass through pipeline successively
Connection, the nanofiltration device produce the mouth of a river and are connected to by pipeline with extraneous emission point；The three-level AO biochemistry pool water outlet passes through pipe
Road is connected to the sedimentation basin, and the mud mixture for discharge is separated by solid-liquid separation；The sludge from sedimentation tank mouth passes through difference
It is connected in the level-one AO biochemistry pool, sludge concentration tank, the sedimentation basin water outlet passes through pipeline and the potassium permanganate composites
Connection；The potassium permanganate composites mud discharging mouth is described highly dense by being connected to respectively at the potassium permanganate composites, sludge concentration tank
Degree sedimentation basin water outlet is connected to by pipeline with the accurate filter；The accurate filter water outlet passes through pipeline and the external world
Emission point connection.
The utility model method have the characteristics that and the utility model has the advantages that
Advanced treating is carried out to sewage plant tail water using " ultrafiltration+nanofiltration " combined process system only to lead to without adding medicament
The pollutants such as coloration, bacterium, partial solubility salt and the partial organic substances that physical filtering can remove in tail water are crossed, quality is discharged
Height can direct emission；Wherein nanofiltration concentrated water uses " the multistage pond multistage AO+sedimentation basin+potassium permanganate composites+accurate filter " group
It closes technique to be handled again, multistage AO series connection can cancel interior refluxing unit, and upper level nitrification liquid is lacked completely into next stage
Oxygen area carries out denitrification, enhances denitrification effect, improves nitric efficiency.Multistage Multilevel A/O Technology can more reasonably distribute carbon
Source reduces investment and operating cost.Potassium permanganate composites can effectively remove total phosphorus, and surface loading is big, and occupied area is small, accurate mistake
Filter effluent quality is good, and water dual disposal can be produced with nanofiltration, and System drainage meets " water environment quality standard " (GB3838-
2002) III class standard.The utility model is with device structure is compact, high degree of automation, effluent characteristics are good, operational effect is stable
Reliably, wide adaptation range, without beneficial effects such as any pollutant outlets.
Detailed description of the invention
Fig. 1: the system construction drawing of the utility model embodiment；
Fig. 2: the work flow diagram of the utility model embodiment；
In figure, 1. ultrafiltration apparatus, 2. nanofiltration devices, 3. level-one AO biochemistry pools, 4. second level AO biochemistry pools, 5. three-level AO biochemistry
Pond, 6. sedimentation basins, 7. potassium permanganate composites, 8. accurate filters, 9. sludge concentration tanks, 10. ultrafiltration elevator pumps, 11. nanofiltrations mention
Liter pump, 12. emergency feeding apparatus for powdered activated charcoal, 13 sludge pumps, 14. sludge dewatering equipments, 15. blowers, 16. Powdered Activated Carbons are given
Material machine, 17. charcoals add tank, and 18. charcoals slurry adds pump, 19. water outlet pumps.
Specific embodiment
Understand for the ease of those of ordinary skill in the art and implements the utility model, it is practical new to this with reference to the accompanying drawing
Type is described in further detail, it should be understood that and implementation example described herein is only used for describing and explaining the present invention,
It is not used to limit the utility model.
Referring to Fig.1, the system of a kind of advanced treatment of wastewater provided by the utility model and concentrated water disposition, including ultrafiltration apparatus
1, nanofiltration device 2, level-one AO biochemistry pool 3, second level AO biochemistry pool 4, three-level AO biochemistry pool 5, sedimentation basin 6, potassium permanganate composites 7,
Accurate filter 8, sludge concentration tank 9；
The tail water of municipal sewage plant original system discharge, by the promotion of ultrafiltration elevator pump 10, into ultrafiltration apparatus
1, suspended matter, macromolecular substances are retained using hyperfiltration membrane assembly, ultrafiltration produces water and is promoted to nanofiltration device by nanofiltration elevator pump 11
2, coloration, bacterium, partial solubility salt and partial organic substances, the effluent quality gone in water removal using nanofiltration membrane component can reach
" water environment quality standard " (GB3838-2002) III class standard；The concentrated water that ultrafiltration apparatus 1 discharges returns to the original life of sewage plant
Change system, the concentrated water segmentation that nanofiltration device 2 is discharged enter level-one AO biochemistry pool 3, second level AO biochemistry pool 4, three-level AO biochemistry pool 5,
Carbon source is added, under the conditions of alternate anaerobic-aerobic, by nitrification, denitrifying effect, ammonia nitrogen is further decreased and total nitrogen contains
The mud mixture of amount, the discharge of 5 water outlet of three-level AO biochemistry pool is separated by solid-liquid separation by sedimentation basin 6, a part of sludge reflux
To level-one AO biochemistry pool back with water inlet line, sedimentation basin water outlet flows into potassium permanganate composites 7, sets on the water inlet pipe of potassium permanganate composites 7
There is emergency feeding apparatus for powdered activated charcoal 12, while the P elements in water are removed by dosing, coagulation, precipitating, out
Water enters accurate filter 8 after the promotion of water outlet pump 19, and oil removal is removed after filtering, promotes water quality, after disinfection of effluent with nanofiltration
The production water mixing of device 2.Excess sludge in sedimentation basin 6, potassium permanganate composites 7 is emitted into sludge concentration tank 9, through sludge pump
13 are delivered to sludge dewatering equipment 14, dewatered dry mud outward transport landfill.
The ultrafiltration apparatus 1 of the present embodiment is made of hyperfiltration membrane assembly, and using ultrafiltration membrane filaments as filter medium, filter type is outer
Pressure type, for membrane aperture between 20~1000A °, operation pressure is 4 × 104Pa~7 × 105Pa, water flux are 50~60L/ (m2.h),
Rejection >=90%, film wire material are polyacrylonitrile, and putamina uses FRP material.
The nanofiltration device 2 of the present embodiment is made of nanofiltration membrane component, and nanofiltration membrane material is polyamide, and putamina uses FRP material
Matter, nanofiltration membrane surface micropore diameter are 1~2nm, and the molecular weight that can retain organic matter is 150~500, can retain dissolubility salt
Ability is 2%~98%, and operating pressure is 3.5~30bar.
3 outlet pipe of level-one AO biochemistry pool of the present embodiment is connected with 4 water inlet pipe of second level AO biochemistry pool, described
4 outlet pipe of second level AO biochemistry pool is connected with 5 water inlet pipe of three-level AO biochemistry pool, the level-one AO biochemistry pool 3, second level
AO biochemistry pool 4, three-level AO biochemistry pool 5 include anoxic zone and aerobic zone, the level-one AO biochemistry pool 3, second level AO biochemistry pool
4,5 hydraulic detention time of three-level AO biochemistry pool is respectively 2~3h, 3~5h, 5~7h, the level-one AO biochemistry pool 3, second level AO
The hydraulic detention time distribution ratio of anoxic zone and aerobic zone is respectively 1:1,2:1,3:2, pond in biochemistry pool 4, three-level AO biochemistry pool 5
Bottom is by 15 aeration oxygen replenishing of blower, and the nanofiltration concentrated water is by the way of segmental influent, the level-one AO biochemistry pool 3, two
The volume ratio that the nanofiltration concentrated water is received in grade AO biochemistry pool 4, three-level AO biochemistry pool 5 is 40%, 35%, 25%.
The potassium permanganate composites 7 of the present embodiment include coagulation area, flocculation zone, tube settling district and sludge recirculation system and
Excess sludge exhaust system adds coagulant, the flocculant of doses in the coagulation area, flocculation zone respectively, described
A part of sludge reflux is to the coagulation area in tube settling district, and 7 surface loading value 8 of the potassium permanganate composites~
12m3/(m2.h), sludge circulation rate value 5%-10%.
Emergency feeding apparatus for powdered activated charcoal 12, institute are additionally provided at the back with water inlet line of the potassium permanganate composites 7 of the present embodiment
The emergency feeding apparatus for powdered activated charcoal 12 stated includes Powdered Activated Carbon batcher 16, charcoal adds tank 17, charcoal slurry adds pump 18.
The 8 cylinder shell material of accurate filter of the present embodiment is stainless steel 304, and inside is made using PP melt-blown tubulose filter core
It the use of pressure is 0.1~0.6Mpa for filter elements, filtering accuracy is 20~30 microns.
The system of the present embodiment can realize PLC Automatic Control.
The utility model uses the method that " ultrafiltration+nanofiltration " combines and carries out depth to the tail water of municipal sewage plant
Reason, simultaneously for nanofiltration concentrated water, is combined using " pond multistage multistage AO+sedimentation basin+potassium permanganate composites+accurate filter "
Technique is handled again, and technology principle is as follows:
Municipal wastewater plant tail water is boosted first to enter ultrafiltration apparatus, and under pressure motive force, sewage flows through film surface, small
Film is penetrated in the water and small molecule solute of fenestra, becomes water purification；It is trapped greater than the solute of fenestra and solute group, is arranged with water flow
Out, become concentrated water.The produced water purification of ultrafiltration is by being lifted into nanofiltration device, under the pressure effect for being more than osmolality, moisture
Son and small part dissolving salt pass through selective semi-permeable membrane, become production water；And other dissolved salts and colloid, organic matter, bacterium,
The impurity such as microorganism are discharged with concentrated water, become concentrated water.Nanofiltration, which produces water, can stably reach III class water quality standard of earth's surface.
Ultrafiltration concentrated water returns to the original biochemical system of sewage plant and carries out circular treatment, contains high concentration N-P in nanofiltration concentrated water
And organic matter, then it is further processed.The segmentation of nanofiltration concentrated water enters the pond level-one AO, the pond second level AO, the pond three-level AO, and AO technique is
Leading portion anoxic section and back segment aerobic section are cascaded, A sections of dissolved oxygens are less than 0.2mg/L, and O sections of dissolved oxygens are 2~4mg/L.
The suspended contaminants such as starch, fiber, carbohydrate in sewage and dissolved organic matter are hydrolyzed in anoxic section heterotroph
Organic acid makes larger molecular organics be decomposed into small organic molecule, and insoluble organic matter is converted to dissolved organic matter, when this
When the product through anaerobic hydrolysis enters aerobic zone progress Aerobic Process for Treatment a bit, the biodegradability and utilizing for oxygen that sewage can be improved are imitated
Rate；In anoxic section, the pollutants such as protein, fat are carried out the free ammonia out of ammonification, under sufficient oxygen supply condition, autotrophy by heterotroph
The nitrification of bacterium is by NH3-N(NH4+) it is oxidized to NO3-, become nitrification liquid.
Multistage Multilevel A/O Technology is to divide sewage multistage to enter the anoxic zone in biological tank and aerobic zone, makes the carbon in sewage
Source selectively supplies different function area, is preferentially used for anaerobic phosphorus release and denitrification denitrogenation etc., can effectively save carbon source, simultaneously also
Sludge concentration can be improved, reduce biological pool volume.Multistage AO series connection can cancel interior refluxing unit, and the nitrification liquid of upper level is complete
Denitrification is carried out into next stage anoxic zone, under anoxic conditions, the denitrification of heterotrophic bacteria is by NO3-It is reduced to molecular nitrogen
(N2), denitrification effect is enhanced, nitric efficiency is improved.
The water outlet in the pond three-level AO is after sedimentation basin mud-water separation, a part of sludge reflux to level-one AO biochemistry pool water inlet pipe
Line, sedimentation basin water outlet is from potassium permanganate composites are flowed into, and dosing coagulant, flocculant, the phosphorus shape in sewage is made by reaction herein
Be discharged into sludge at calcium phosphate precipitation, realize total phosphorus removing, at the same in potassium permanganate composites front end add emergency Powdered Activated Carbon with
The biggish emergency of water variation water quality is coped with, water outlet eventually enters into accurate filter after being promoted, in built-in precision Filter element
Under filtration, concentration of suspension reduced, promote water quality, produce water mixing with nanofiltration after disinfection of effluent, realize nanofiltration concentrated water
Harmless processing.
See Fig. 2, the workflow of the utility model, comprising the following steps:
Step 1: the tail water of municipal sewage plant discharge is lifted into ultrafiltration apparatus 1 through ultrafiltration elevator pump 10, utilizes ultrafiltration membrane
Component removes colloid and suspended matter, and the water purification that ultrafiltration apparatus 1 is discharged is lifted into nanofiltration device 2, ultrafiltration through nanofiltration elevator pump 11
The concentrated water that device 1 is discharged returns to the original biochemical system of sewage plant；
Step 2: in nanofiltration device 2, by nanofiltration membrane component go water removal in coloration, bacterium, partial solubility salt and
Partial organic substances, nanofiltration produce water direct emission；The concentrated water that nanofiltration device 2 is discharged enters to be handled in next step；
Step 3: the segmentation of nanofiltration concentrated water flows into level-one AO biochemistry pool 3, second level AO biochemistry pool 4, three-level AO biochemistry pool 5.To dirt
Carbon source is added in water, and controls dissolved oxygen concentration in pond, under the conditions of alternate anaerobic-aerobic, passes through nitrification, denitrifying work
With further decreasing COD, ammonia nitrogen and total nitrogen content, the muddy water mixed solution that three-level AO biochemistry pool 5 is discharged is carried out by sedimentation basin 6
Separation, a part of sludge reflux to 3 back with water inlet line of level-one AO biochemistry pool, the water outlet of sedimentation basin 6 flow into potassium permanganate composites 7；
Step 4:, will be in water in adding the coagulant of 10-80mg/L, the flocculant of 2-3mg/L in potassium permanganate composites 7
Titanium pigment be converted into calcium phosphate precipitation, removed after being separated by inclined tube, reduce total phosphorus content；Surface loading value 8~
12m3/(m2.h), sludge circulation rate value 5%-10%, while adding 5-110mg/L's at 7 water inlet pipe of potassium permanganate composites
Powdered Activated Carbon meet an urgent need to cope with the biggish emergency of water variation water quality；
Step 5: the water purification that potassium permanganate composites 7 are discharged is lifted into accurate filter 8 through water outlet pump 19, by built-in
The filtration of filter core reduces suspension content, promotes water quality simultaneously, produces water dual disposal with nanofiltration device 2 after disinfection of effluent.
Step 6: the excess sludge in sedimentation basin 6, potassium permanganate composites 7 is emitted into sludge concentration tank 9, defeated through sludge pump 13
It send to sludge dewatering equipment 14, dewatered dry mud outward transport landfill.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of utility model patent protection scope, those skilled in the art are not departing under the enlightenment of the utility model
Under ambit protected by the claims of this utility model, replacement or deformation can also be made, the utility model is each fallen within
Within protection scope, the utility model is claimed range and should be determined by the appended claims.
Claims (7)
1. the system of a kind of advanced treatment of wastewater and concentrated water disposition, it is characterised in that: including ultrafiltration apparatus (1), nanofiltration device
(2), level-one AO biochemistry pool (3), second level AO biochemistry pool (4), three-level AO biochemistry pool (5), sedimentation basin (6), potassium permanganate composites
(7), accurate filter (8), sludge concentration tank (9)；
Sewage plant original biochemical system water outlet is connected to by pipeline with the ultrafiltration apparatus (1), and ultrafiltration apparatus (1) ultrafiltration produces
The mouth of a river is connected to by pipeline with the nanofiltration device (2), and ultrafiltration apparatus (1) the concentrated water outlet is primary by pipeline and sewage plant
Change system connectivity；Nanofiltration device (2) the concentrated water discharge outlet, level-one AO biochemistry pool (3), second level AO biochemistry pool (4), three-level AO are raw
Change pond (5) to be sequentially communicated by pipeline, the nanofiltration device (2) produces the mouth of a river and is connected to by pipeline with extraneous emission point；Described three
Grade AO biochemistry pool (5) water outlet is connected to by pipeline with the sedimentation basin (6), and the mud mixture for discharge carries out solid-liquid point
From；Sedimentation basin (6) mud discharging mouth is connected to the level-one AO biochemistry pool (3), sludge concentration tank (9) respectively by pipeline, institute
Sedimentation basin (6) water outlet is stated to be connected to by pipeline with the potassium permanganate composites (7)；Potassium permanganate composites (7) mud discharging mouth
It is connected to respectively with the potassium permanganate composites (7), sludge concentration tank (9) by pipeline, potassium permanganate composites (7) water outlet
It is connected to by pipeline with the accurate filter (8)；Accurate filter (8) water outlet is connected by pipeline and extraneous emission point
It is logical.
2. the system of advanced treatment of wastewater according to claim 1 and concentrated water disposition, it is characterised in that: the ultrafiltration apparatus
(1) be made of hyperfiltration membrane assembly, using ultrafiltration membrane filaments as filter medium, filter type is external-compression type, membrane aperture 20 ~ 1000A ° it
Between, operation pressure is 4 × 104 Pa~7 × 105Pa, water flux are 50 ~ 60L/(m2.h), rejection >=90%, film wire material are poly-
Acrylonitrile, putamina use FRP material.
3. the system of advanced treatment of wastewater according to claim 1 and concentrated water disposition, it is characterised in that: the nanofiltration device
(2) be made of nanofiltration membrane component, nanofiltration membrane material be polyamide, putamina use FRP material, nanofiltration membrane surface micropore diameter be 1 ~
2nm, can retain organic matter molecular weight be 150 ~ 500, can retain dissolubility salt ability be 2% ~ 98%, operating pressure be 3.5 ~
30bar。
4. the system of advanced treatment of wastewater according to claim 1 and concentrated water disposition, it is characterised in that: the level-one AO is raw
Changing pond (3), second level AO biochemistry pool (4), three-level AO biochemistry pool (5) includes anoxic zone and aerobic zone, the level-one AO biochemistry pool
(3), second level AO biochemistry pool (4), three-level AO biochemistry pool (5) hydraulic detention time are respectively 2 ~ 3h, 3 ~ 5h, 5 ~ 7h, the level-one
AO biochemistry pool (3), second level AO biochemistry pool (4), the hydraulic detention time of anoxic zone and aerobic zone distribution in three-level AO biochemistry pool (5)
Than being respectively 1:1,2:1,3:2, the level-one AO biochemistry pool (3), second level AO biochemistry pool (4), three-level AO biochemistry pool (5) are configured with
Blower (15), bottom of pond pass through blower (15) aeration oxygen replenishing.
5. the system of advanced treatment of wastewater according to claim 1 and concentrated water disposition, it is characterised in that: the high density is heavy
Shallow lake pond (7) includes coagulation area, flocculation zone, tube settling district and sludge recirculation system and excess sludge exhaust system；It is described mixed
Coagulant, the flocculant of doses are added in coagulation zone, flocculation zone respectively, a part of sludge reflux is extremely in the tube settling district
The coagulation area.
6. the system of advanced treatment of wastewater according to claim 1 and concentrated water disposition, it is characterised in that: the high density is heavy
Shallow lake pond (7) is also configured with emergency feeding apparatus for powdered activated charcoal (12), and the emergency feeding apparatus for powdered activated charcoal (12) includes
Powdered Activated Carbon batcher (16), charcoal add tank (17), charcoal slurry adds pump (18).
7. the system of advanced treatment of wastewater described in -6 any one and concentrated water disposition according to claim 1, it is characterised in that: institute
Stating accurate filter (8) cylinder shell material is stainless steel 304, and inside, as filter elements, is made using PP melt-blown tubulose filter core
It is 0.1 ~ 0.6Mpa with pressure, filtering accuracy is 20 ~ 30 microns.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249489A (en) * | 2021-12-09 | 2022-03-29 | 内蒙古伊泰煤制油有限责任公司 | Recycling method of zero-emission organic concentrated water |
| CN114772808A (en) * | 2022-04-28 | 2022-07-22 | 南京大学 | Method for treating and recycling resin desorption solution by nanofiltration-electrochemical method |
-
2019
- 2019-01-21 CN CN201920095441.2U patent/CN209685515U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249489A (en) * | 2021-12-09 | 2022-03-29 | 内蒙古伊泰煤制油有限责任公司 | Recycling method of zero-emission organic concentrated water |
| CN114772808A (en) * | 2022-04-28 | 2022-07-22 | 南京大学 | Method for treating and recycling resin desorption solution by nanofiltration-electrochemical method |
| CN114772808B (en) * | 2022-04-28 | 2023-11-07 | 南京大学 | Method for treating resin desorption liquid and recycling resin desorption liquid by nanofiltration-electrochemical method |
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Address after: 430074 Hubei Province, Wuhan city Hongshan District Huangjiahu University City No. 3 Patentee after: Junji Environmental Technology Co.,Ltd. Address before: 430074 Hubei Province, Wuhan city Hongshan District Huangjiahu University City No. 3 Patentee before: HUBEI JUNJI WATER TREATMENT Co.,Ltd. |