CN105601034B - A kind of integrated equipment for sewage treatment and its technique - Google Patents
A kind of integrated equipment for sewage treatment and its technique Download PDFInfo
- Publication number
- CN105601034B CN105601034B CN201510985957.0A CN201510985957A CN105601034B CN 105601034 B CN105601034 B CN 105601034B CN 201510985957 A CN201510985957 A CN 201510985957A CN 105601034 B CN105601034 B CN 105601034B
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- water
- sewage
- treatment
- clear water
- pipe
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000010865 sewage Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000012528 membrane Substances 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000002203 pretreatment Methods 0.000 claims abstract description 8
- 238000005276 aerator Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000005660 chlorination reaction Methods 0.000 claims abstract description 4
- 210000004379 membrane Anatomy 0.000 claims description 64
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 36
- 239000002033 PVDF binder Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 27
- 238000005273 aeration Methods 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 17
- 210000002469 basement membrane Anatomy 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 239000003621 irrigation water Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 230000003373 anti-fouling effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 9
- 238000005266 casting Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- BCNBMSZKALBQEF-UHFFFAOYSA-N 1,3-dimethylpyrrolidin-2-one Chemical compound CC1CCN(C)C1=O BCNBMSZKALBQEF-UHFFFAOYSA-N 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C02F3/28—Anaerobic digestion processes
Abstract
The invention discloses a kind of integrated equipment for sewage treatment, including will be divided between pre-treatment inside it, between main process task and the integrated box body of clear water operation room, it is set in pre-treatment for receiving the anoxic treatment case of sewage, it is set to the film reaction case being connected in main process task and with anoxic treatment case, the membrane module being set in film reaction case, it is set to the clear water collecting tank being connected in clear water operation room and with film reaction case, the UV chlorination equipment being set at clear water collecting tank water inlet, and the aerator for being set in clear water operation room and being connect by pipeline with membrane module, the anoxic treatment case and film reaction case are equipped with sewage pipe, the backwash tube being connected to film reaction case is additionally provided on the clear water collecting tank.The present invention is integrated main water treatment component by integrated box body, reduces equipment volume, and with the membrane module specially designed, saves device fabrication material, raising water treatment efficiency, and the antifouling property of film greatly improves, and extends service life of equipment.
Description
Technical field
The present invention relates to water-treatment technology fields, in particular, what is involved is a kind of integrated equipment for sewage treatment and its
Technique.
Background technique
Membrane technology is known as the water treatment technology in 21st century, is developing over nearly 40 years increasingly rapidly.At traditional water
Reason technology is compared, and membrane technology has many advantages, such as that energy conservation, small investment, easy to operate, treatment effeciency is high, and application is brought to the mankind
Huge environment and economic benefit.Membrane technology being of wide application in water process is general, and can be not only used for drinking water treatment can also
For wastewater treatment, also has in terms of the water process of certain special industries and set foot in.
During application of membrane, fouling membrane is the largest problem.With the extension of use time, pollutant is adsorbed on
Film surface will cause Pore Blocking, reduce film process performance by accumulating for a long time.And such case has become at embrane method water
One of bottleneck in science and engineering skill.
Summary of the invention
Of the existing technology to overcome the problems, such as, the present invention provides a kind of high treating effect, film is not easy contaminated sewage
Handle integration apparatus.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of integrated equipment for sewage treatment, including will be divided into inside it between pre-treatment, operate between main process task with clear water
Between integrated box body, be set in pre-treatment for receiving the anoxic treatment case of sewage, be set in main process task and with
The film reaction case of anoxic treatment case connection, the membrane module being set in film reaction case are set in clear water operation room and anti-with film
The clear water collecting tank for answering case to be connected to, the UV chlorination equipment being set at clear water collecting tank water inlet, and it is set to clear water operation room
Aerator that is interior and being connect by pipeline with membrane module, the anoxic treatment case and film reaction case are equipped with sewage pipe, described clear
The backwash tube being connected to film reaction case is additionally provided on water collecting tank；The membrane module includes being interconnected to constitute hydraulic pipeline and be in
More water-supply-pipes of frame structure are connected to hydraulic pipeline and are mounted on several water process membrane stacks in the frame structure, and
The respective numbers aeration tube of corresponding each water process membrane stack setting, the aeration tube, which is interconnected, constitutes gas circuit and and aerator
It is connected to, water-supply-pipe described in wherein at least one is transparent tube body, in order to observe water quality color in pipeline, to judge whether there is
Diaphragm damage.
Further, the water process membrane stack includes diaphragm, sealing ring, retainer plate and collector pipe, wherein tool in the middle part of diaphragm
Have size and catchment the matched installation through-hole of pipe outside diameter, sealing ring is matched with the installation through-hole, collector pipe both ends respectively with it is corresponding
The water-supply-pipe of position is connected to, and has multiple ostium excurrens thereon；N number of diaphragm and the N+1 sealing rings are successively spaced heap
Column make every 2 sealing rings clamp 1 diaphragm, and sealing ring is corresponding with installation through-hole position, and the collector pipe passes through installation through-hole
All diaphragms and sealing ring are concatenated with sealing ring inner ring, and respectively use a retainer plate that will own in the sealing ring position at both ends
Diaphragm and sealing ring are fixed on collector pipe, and the ostium excurrens, which are located on collector pipe, sets chaffy position.
In order to increase effective membrane area in related volume, the spacing between the adjacent diaphragm is 2 ~ 5mm.In order to improve
It is discharged efficiency, the aperture of the ostium excurrens is no more than the thickness of diaphragm.
Further, the diaphragm includes stacking gradually and suppressing up and down the modified PVDF membrane in disk shape, support and lead
Drift net and modified PVDF membrane, and through all modified PVDF membranes and support the installation of flow-guiding screen logical at the disk shape center
The peripheral edge in hole, the upper layer and lower layer modified PVDF membrane is compressed to closed one；The ostium excurrens and support flow-guiding screen
Connection.
Further, the modified PVDF membrane is by PVDF basement membrane and in the composite modified of PVDF membrane surface coating
Coating is constituted.
Specifically, the casting solution that the PVDF basement membrane is made of the component of following mass percent is through following process system
At:
Casting solution component: PVDF 16 ~ 30%, glycol monoethyl ether 15 ~ 20%, polyvinylpyrrolidone 20 ~ 25%, diformazan
Base formyl ammonia 2 ~ 5%, dimethyl pyrrolidone 10 ~ 15%, dimethyl sulfoxide 7 ~ 12%；
The PVDF basement membrane forming process: after above-mentioned each component material is mixed in quantity, in 65 ~ 100 DEG C of temperature condition
24 ~ 36h of lower stirring forms casting solution to being uniformly dissolved；Then on a glass by manufactured casting solution, striking is at first film,
And solidification forming under conditions of 15 ~ 25 DEG C；Glass plate is automatically disengaged after first film forming, then first film is placed in ultrapure water and is soaked
Bubble 12 ~ for 24 hours, and a water is changed every 3h, it finally cleans and obtains PVDF basement membrane.
Also, after the composite modified coating is dried by the composite modified reagent that the PVDF membrane surface after cleaning coats
It is formed；The composite modified reagent by the polyvinyl alcohol of 7 ~ 20% mass percents, 2 ~ 15% mass percents maleic anhydride,
The solute that the dicumyl peroxide of 0.1 ~ 1% mass percent and the polyvinylpyrrolidone of 0 ~ 3.8% mass percent are constituted is equal
Even be dissolved in ultrapure aqueous solvent is made.
In order to improve aeration intensity and effective distribution aeration intensity for each membrane stack, the aeration tube is set to correspondence
The lower section of water process membrane stack；Several micropores and several gross porositys are offered in the aeration tube, which is not less than the micropore
2 times of area；The micro well locations are corresponding with diaphragm position, and the gross porosity position is corresponding with the spaced position of two adjacent diaphragms.
In order to avoid aeration bubbles shed from side, while it is existing to prevent diaphragm surrounding liquid excessive concentration from generating concentration polarization
As at least side for the frame structure that the water-supply-pipe is constituted is equipped with venetian blind type partition；The venetian blind type partition include with
The base frame for the frame structure connection that the water-supply-pipe is constituted, and the several blinds in oblique interval installation being set on base frame
Piece.
It is a further object of the present invention to provide a kind of sewage treatment process, set using such as above-mentioned sewage treatment integration
Standby, process is as follows:
(1) it is just heavy in collecting pit to come together in sanitary wastewater；
(2) the waste water timing grid in collecting pit is handled, introduces in conditioning tank after removing bulk sundries, is tried by adjusting
Agent controls wastewater pH 5.5 ~ 7.5；
(3) waste water in conditioning tank is passed through in the anoxic treatment case of the integrated equipment for sewage treatment, carries out anaerobism
Processing, the ammonia nitrogen pollutant of removal 80 ~ 85%, the sludge of generation drain into septic tank from sewage pipe；
(4) waste water after Anaerobic Treatment is filtered processing by membrane module into film reaction case, produces water by collecting
Water pipe enters in hydraulic pipeline, and the sludge of generation drains into septic tank by sewage pipe, and timing passes through aeration tube in film reaction case
Aeration, improve filter effect and to film surface generate cleaning action, COD removal rate of the waste water in the film reaction case be 80 ~
90%, it is 50 ~ 100mg/L that producing water water quality index, which reaches COD, and ammonia nitrogen is 8 ~ 15 mg/L, and TN is 0.3 ~ 0.5 mg/L, and pH is 6 ~ 9,
SS is 20 ~ 70 mg/L；
(5) generation of membrane module is sent into clear water collecting tank by hydraulic pipeline, and passes through UV before entering clear water collecting tank
Sterilizer carries out disinfection；
(6) the direct outlet of clear water in clear water collecting tank or as irrigation water or landscape water；
(7) clear water collecting tank periodically cleans film reaction case by backwash tube；
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
COD, COD；TN, totalnitrogen, total nitrogen；SS, solid suspension；UV, ultraviolet light；PVDF gathers
Vinylidene.
Compared with prior art, the invention has the following advantages:
(1) present invention is integrated main water treatment component by integrated box body, and waste water only needs relatively simple pretreatment
It can enter in equipment and be purified, reduce the volume of water treatment facilities and improved with effect, and use the film specially designed
Component saves device fabrication material, improves water treatment efficiency, and the antifouling property of film greatly improves, and extends equipment
Service life, and present inventive concept is novel, it is easy to use, it securely and reliably, is with a wide range of applications, is suitble to promote and apply
And.
(2) membrane module of the invention uses disc-type diaphragm, and is in barrel mast shape by the setting of all diaphragms using tandem,
Constitute the processing of surrounding feed liquor, the structure of central water outlet greatly reduces film on the basis of guaranteeing sufficient film contact area
Heap occupies volume, to make have bigger membrane area in the membrane module of same volume, improves water treatmenting performance, and special place
The diaphragm managed also greatly strengthens the antifouling property and water penetration of film surface, improves water treatmenting performance.
(3) present invention improves the suppleness of diaphragm also using diaphragm made of special material, and bending is unlikely to deform,
Surface is smooth, and the water turbulence effect that can be improved film surface reduces concentration polarization, while the hole formed on film is in porous sea
Continuous reticular structure substantially increases anti-pollution and blocks up property, also carries out current potential processing to film surface by modifying agent, keeps it more hydrophilic
Property, and film adhesion is strong, is not readily separated peeling.
(4) present invention uses the diaphragm structure of three-decker, through the filtered water purification of the pvdf membrane of outer two layers in
Between interlayer support flow-guiding screen at flow into centre, the design of two-way sealing ring makes filtered water can only be from collector pipe
Ostium excurrens enter in collector pipe and collect, and change previous filtering water-out manners, show unique characteristics.
(5) present invention constitutes frame structure using water-supply-pipe, also acts bracket in the case where taking into account and producing water collection and makees
With, reduce additional materials production, reduce production cost.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention.
Fig. 2 is the structural schematic diagram of membrane module in the present invention.
Fig. 3 is the structural schematic diagram of membrane stack in the present invention.
Fig. 4 is the cross-sectional view of diaphragm in the present invention.
Fig. 5 is the structural schematic diagram of modified PVDF membrane in the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
Embodiment
As shown in Figures 1 to 5, the integrated equipment for sewage treatment, including 2, main place between pre-treatment will be divided into inside it
Between reason 3 and clear water operation room 4 integrated box body 1, be set to for receiving the anoxic treatment case 5 of sewage in pre-treatment, if
It is placed in the film reaction case 6 being connected in main process task and with anoxic treatment case, the membrane module 10 being set in film reaction case is set to
The clear water collecting tank 7 being connected in clear water operation room and with film reaction case, the UV chlorination equipment being set at clear water collecting tank water inlet
8, and the aerator 9 for being set in clear water operation room and being connect by pipeline with membrane module, the anoxic treatment case and film are anti-
It answers case to be equipped with sewage pipe 11, the backwash tube 12 being connected to film reaction case is additionally provided on the clear water collecting tank；The membrane module
Including interconnected more water-supply-pipes 13 for constituting hydraulic pipeline and be in frame structure, it is connected to hydraulic pipeline and is mounted on the frame
Several water process membrane stacks 14 in frame structure, and the respective numbers aeration tube 15 of corresponding each water process membrane stack setting, institute
It states the interconnected composition gas circuit of aeration tube and is connected to aerator, water-supply-pipe described in wherein at least one is transparent tube body, so as to
In water quality color in observation pipeline, to judge whether there is diaphragm damage.
Further, the water process membrane stack includes diaphragm 21, sealing ring 22, retainer plate 23 and collector pipe 24, wherein film
There is size and the matched installation through-hole 25 of pipe outside diameter that catchments, sealing ring is matched with the installation through-hole, collector pipe both ends in the middle part of piece
It is connected to respectively with the water-supply-pipe of corresponding position, there are multiple ostium excurrens thereon；N number of diaphragm and the N+1 sealing rings
Successively interval heap column, make every 2 sealing rings clamp 1 diaphragm, and sealing ring is corresponding with installation through-hole position, the collector pipe is worn
It crosses installation through-hole and sealing ring inner ring to concatenate all diaphragms and sealing ring, and respectively uses one to consolidate in the sealing ring position at both ends
All diaphragms and sealing ring are fixed on collector pipe by fixed circle, and the ostium excurrens, which are located on collector pipe, sets chaffy position.
In order to increase effective membrane area in related volume, the spacing between the adjacent diaphragm is 2 ~ 5mm.In order to improve
It is discharged efficiency, the aperture of the ostium excurrens is no more than the thickness of diaphragm.
Further, the diaphragm includes stacking gradually and suppressing up and down the modified PVDF membrane 26 in disk shape, support and lead
Drift net 27 and modified PVDF membrane, and through all modified PVDF membranes and support the installation of flow-guiding screen logical at the disk shape center
The peripheral edge in hole, the upper layer and lower layer modified PVDF membrane is compressed to closed one；The ostium excurrens and support flow-guiding screen
Connection.The modified PVDF membrane is constituted by PVDF basement membrane 28 and in the composite modified coating 29 of PVDF membrane surface coating.
In order to improve aeration intensity and effective distribution aeration intensity for each membrane stack, the aeration tube is set to correspondence
The lower section of water process membrane stack；Several micropores 16 and several gross porositys 17 are offered in the aeration tube, which is not less than should
2 times of micropore area；The micro well locations are corresponding with diaphragm position, the spaced position pair of the gross porosity position and two adjacent diaphragms
It answers.
In order to avoid aeration bubbles shed from side, while it is existing to prevent diaphragm surrounding liquid excessive concentration from generating concentration polarization
As at least side for the frame structure that the water-supply-pipe is constituted is equipped with venetian blind type partition 18；The venetian blind type partition includes
The base frame 19 that connect of frame structure constituted with the water-supply-pipe, and be set on base frame several are installed in oblique interval
Louvre blade 20.
Specifically, the casting solution that the PVDF basement membrane is made of the component of following mass percent is through following process system
At:
Casting solution component: PVDF 16 ~ 30%, glycol monoethyl ether 15 ~ 20%, polyvinylpyrrolidone 20 ~ 25%, diformazan
Base formyl ammonia 2 ~ 5%, dimethyl pyrrolidone 10 ~ 15%, dimethyl sulfoxide 7 ~ 12%；
The PVDF basement membrane forming process: after above-mentioned each component material is mixed in quantity, in 65 ~ 100 DEG C of temperature condition
24 ~ 36h of lower stirring forms casting solution to being uniformly dissolved；Then on a glass by manufactured casting solution, striking is at first film,
And solidification forming under conditions of 15 ~ 25 DEG C；Glass plate is automatically disengaged after first film forming, then first film is placed in ultrapure water and is soaked
Bubble 12 ~ for 24 hours, and a water is changed every 3h, it finally cleans and obtains PVDF basement membrane.
Also, after the composite modified coating is dried by the composite modified reagent that the PVDF membrane surface after cleaning coats
It is formed；The composite modified reagent by the polyvinyl alcohol of 7 ~ 20% mass percents, 2 ~ 15% mass percents maleic anhydride,
The solute that the dicumyl peroxide of 0.1 ~ 1% mass percent and the polyvinylpyrrolidone of 0 ~ 3.8% mass percent are constituted is equal
Even be dissolved in ultrapure aqueous solvent is made.When preparing composite modified reagent, above-mentioned solute is dissolved in 80 ± 3 DEG C ultrapure water-soluble
In agent, 15 ~ 25min is stirred to above-mentioned mixed solution by the speed of 75 ~ 150rad/min using at the uniform velocity blender, fills each component
Divide mixing, forms gluing state.
PVDF basement membrane is washed with distilled water completely, 2h is then stood in gnotobasis；Compound by gluing state changes
Property reagent is evenly applied to PVDF membrane surface, in 25 ± 3 DEG C of at a temperature of naturally dry.
The present invention also provides a kind of sewage treatment process, using such as above-mentioned integrated equipment for sewage treatment, process
It is as follows:
(1) it is just heavy in collecting pit to come together in sanitary wastewater；
(2) the waste water timing grid in collecting pit is handled, introduces in conditioning tank after removing bulk sundries, is tried by adjusting
Agent controls wastewater pH 5.5 ~ 7.5；
(3) waste water in conditioning tank is passed through in the anoxic treatment case of the integrated equipment for sewage treatment, carries out anaerobism
Processing, the ammonia nitrogen pollutant of removal 80 ~ 85%, the sludge of generation drain into septic tank from sewage pipe；
(4) waste water after Anaerobic Treatment is filtered processing by membrane module into film reaction case, produces water by collecting
Water pipe enters in hydraulic pipeline, and the sludge of generation drains into septic tank by sewage pipe, and timing passes through aeration tube in film reaction case
Aeration, improve filter effect and to film surface generate cleaning action, COD removal rate of the waste water in the film reaction case be 80 ~
90%, it is 50 ~ 100mg/L that producing water water quality index, which reaches COD, and ammonia nitrogen is 8 ~ 15 mg/L, and TN is 0.3 ~ 0.5 mg/L, and pH is 6 ~ 9,
SS is 20 ~ 70 mg/L；
(5) generation of membrane module is sent into clear water collecting tank by hydraulic pipeline, and passes through UV before entering clear water collecting tank
Sterilizer carries out disinfection；
(6) the direct outlet of clear water in clear water collecting tank or as irrigation water or landscape water；
(7) clear water collecting tank periodically cleans film reaction case by backwash tube；
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
Above-described embodiment is merely a preferred embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, as long as using
Design principle of the invention, and the non-creative variation worked and made is carried out on this basis, it should belong to of the invention
Within protection scope.
Claims (6)
1. a kind of sewage water treatment method of integrated equipment for sewage treatment, which is characterized in that the integrated equipment for sewage treatment
Including will be divided into inside it between pre-treatment, between main process task and the integrated box body of clear water operation room, it is set in pre-treatment
For receiving the anoxic treatment case of sewage, it is set to the film reaction case being connected in main process task and with anoxic treatment case, is set to
Membrane module in film reaction case is set to the clear water collecting tank being connected in clear water operation room and with film reaction case, is set to clear water
UV chlorination equipment at collecting tank water inlet, and the aeration for being set in clear water operation room and being connect by pipeline with membrane module
Machine, the anoxic treatment case and film reaction case are equipped with sewage pipe, are additionally provided on the clear water collecting tank and are connected to film reaction case
Backwash tube；The membrane module includes being interconnected to constitute hydraulic pipeline and the more water-supply-pipes in frame structure, with water-supply-pipe
Road is connected to and is mounted on several water process membrane stacks in the frame structure, and the respective counts of corresponding each water process membrane stack setting
An aeration tube is measured, the aeration tube, which is interconnected, to be constituted gas circuit and be connected to aerator, and water-supply-pipe described in wherein at least one is
Transparent tube body；
The water process membrane stack includes diaphragm, sealing ring, retainer plate and collector pipe, wherein has size in the middle part of diaphragm and catchments
The matched installation through-hole of pipe outside diameter, sealing ring are matched with the installation through-hole, collector pipe both ends respectively with the water-supply-pipe of corresponding position
Connection has multiple ostium excurrens thereon；The N number of diaphragm and N+1 sealing rings are successively spaced heap column, make every 2 it is close
Seal clamps 1 diaphragm, and sealing ring is corresponding with installation through-hole position, and the collector pipe passes through installation through-hole and sealing ring inner ring
All diaphragms and sealing ring are concatenated, and respectively use a retainer plate by all diaphragms and sealing ring in the sealing ring position at both ends
It is fixed on collector pipe, the ostium excurrens, which are located on collector pipe, sets chaffy position；
The process of the sewage water treatment method is as follows:
(1) it is just heavy in collecting pit to come together in sanitary wastewater；
(2) the waste water timing grid in collecting pit is handled, is introduced in conditioning tank after removing bulk sundries, it will by adjusting reagent
Wastewater pH is controlled 5.5~7.5；
(3) waste water in conditioning tank is passed through in the anoxic treatment case of the integrated equipment for sewage treatment, carries out Anaerobic Treatment,
The ammonia nitrogen pollutant of removal 80~85%, the sludge of generation drain into septic tank from sewage pipe；
(4) waste water after Anaerobic Treatment is filtered processing by membrane module into film reaction case, produces water by collector pipe
Into in hydraulic pipeline, the sludge of generation drains into septic tank by sewage pipe, and timing is aerated in film reaction case by aeration tube,
It improving filter effect and cleaning action is generated to film surface, COD removal rate of the waste water in the film reaction case is 80~90%,
It is 50~100mg/L that producing water water quality index, which reaches COD, and ammonia nitrogen is 8~15mg/L, and TN is 0.3~0.5mg/L, and pH is 6~9, SS
For 20~70mg/L；
(5) the production water of membrane module is sent into clear water collecting tank by hydraulic pipeline, and is sterilized before entering clear water collecting tank by UV
Device carries out disinfection；
(6) the direct outlet of clear water in clear water collecting tank or as irrigation water or landscape water；
(7) clear water collecting tank periodically cleans film reaction case by backwash tube；
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
2. the sewage water treatment method of integrated equipment for sewage treatment according to claim 1, which is characterized in that adjacent institute
Stating the spacing between diaphragm is 2~5mm.
3. the sewage water treatment method of integrated equipment for sewage treatment according to claim 1, which is characterized in that the diaphragm
Including stacking gradually and suppress the modified PVDF membrane in disk shape, support flow-guiding screen and modified PVDF membrane up and down, and in the dish
At sheet center outside the installation through-hole of all modified PVDF membranes and support flow-guiding screen, the upper layer and lower layer modified PVDF membrane
Peripheral edge is compressed to closed one；The ostium excurrens are connected to support flow-guiding screen.
4. the sewage water treatment method of integrated equipment for sewage treatment according to claim 3, which is characterized in that the modification
Pvdf membrane is constituted by PVDF basement membrane and in the composite modified coating of PVDF membrane surface coating.
5. the sewage water treatment method of integrated equipment for sewage treatment according to any one of claims 1 to 4, feature exist
In the aeration tube is set to the lower section of corresponding water process membrane stack；Several micropores and several gross porositys are offered in the aeration tube,
The gross porosity area is not less than 2 times of the micropore area；The micro well locations are corresponding with diaphragm position, the gross porosity position and two-phase
The spaced position of adjacent diaphragm is corresponding.
6. the sewage water treatment method of integrated equipment for sewage treatment according to any one of claims 1 to 4, feature exist
In at least side for the frame structure that the water-supply-pipe is constituted is equipped with venetian blind type partition；The venetian blind type partition include with
The base frame for the frame structure connection that the water-supply-pipe is constituted, and the several blinds in oblique interval installation being set on base frame
Piece.
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| CN201510985957.0A CN105601034B (en) | 2015-12-25 | 2015-12-25 | A kind of integrated equipment for sewage treatment and its technique |
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|---|---|---|---|
| CN201510985957.0A CN105601034B (en) | 2015-12-25 | 2015-12-25 | A kind of integrated equipment for sewage treatment and its technique |
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| CN105601034A CN105601034A (en) | 2016-05-25 |
| CN105601034B true CN105601034B (en) | 2018-12-14 |
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| CN106731864B (en) * | 2016-12-27 | 2019-07-09 | 时代沃顿科技有限公司 | A kind of device for the detection of dense net resistance tocrocking |
| CN107684936B (en) * | 2017-10-23 | 2018-07-20 | 扬州市恒厚科技发展有限公司 | A kind of chemical reagent device |
| CN109704459A (en) * | 2018-12-10 | 2019-05-03 | 智造起源科技有限公司 | A kind of anaerobic membrane bioreactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204874189U (en) * | 2015-06-29 | 2015-12-16 | 北京赛诺膜技术有限公司 | Hollow fiber membrane biological reaction is integrated to be equipped |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204874189U (en) * | 2015-06-29 | 2015-12-16 | 北京赛诺膜技术有限公司 | Hollow fiber membrane biological reaction is integrated to be equipped |
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Address after: Jintang County of Chengdu City, Sichuan province 610000 Huai town Jintang Industrial Park Green Avenue Applicant after: Chengdu Environmental Protection Industry Group Co. Ltd. Foote Address before: Jintang County of Chengdu City, Sichuan province 610000 Huai town Jintang Industrial Park Green Avenue Applicant before: CHENGDU MFT MEMBRANE TECHNOLOGY CO., LTD. |
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Effective date of registration: 20200803 Address after: 610000 No. 22 Guanghua Road, Huaikou Town, Jintang County, Chengdu City, Sichuan Province (Jintang County Industrial Development Zone) Patentee after: Chengdu Meifote Membrane Environmental Protection Technology Co.,Ltd. Address before: 610000 environmental protection road, Jintang Industrial Park, Huai Town, Jintang, Chengdu, Sichuan Patentee before: Chengdu Environmental Protection Industry Group Co.,Ltd. Foote |