CN105601034A - Integrated sewage treatment equipment and process thereof - Google Patents
Integrated sewage treatment equipment and process thereof Download PDFInfo
- Publication number
- CN105601034A CN105601034A CN201510985957.0A CN201510985957A CN105601034A CN 105601034 A CN105601034 A CN 105601034A CN 201510985957 A CN201510985957 A CN 201510985957A CN 105601034 A CN105601034 A CN 105601034A
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- water
- membrane
- treatment
- clear water
- pipe
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- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 17
- 230000008569 process Effects 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000012528 membrane Substances 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005276 aerator Methods 0.000 claims abstract description 7
- 210000004379 membrane Anatomy 0.000 claims description 64
- 238000007789 sealing Methods 0.000 claims description 31
- 238000005273 aeration Methods 0.000 claims description 24
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 23
- 239000002351 wastewater Substances 0.000 claims description 19
- 230000004048 modification Effects 0.000 claims description 16
- 238000012986 modification Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 210000002469 basement membrane Anatomy 0.000 claims description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 7
- 239000012498 ultrapure water Substances 0.000 claims description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- BCNBMSZKALBQEF-UHFFFAOYSA-N 1,3-dimethylpyrrolidin-2-one Chemical compound CC1CCN(C)C1=O BCNBMSZKALBQEF-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 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
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000011001 backwashing Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000010287 polarization Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 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
- 239000011259 mixed solution 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
- 239000002689 soil Substances 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
- 230000010148 water-pollination Effects 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses integrated sewage treatment equipment. The integrated sewage treatment equipment comprises an integrated tank body of which the interior is partitioned into a pretreatment chamber, a main treatment chamber and a clear water operation chamber, an anoxic treatment tank arranged inside the pretreatment chamber and used for receiving sewage, a membrane reaction tank arranged inside the main treatment chamber and communicated with the anoxic treatment tank, a membrane assembly arranged inside the membrane reaction tank, a clear water collecting tank arranged inside the clear water operation chamber and communicated with the membrane reaction tank, a UV (ultraviolet) sterilizing device arranged at a water inlet position of the clear water collecting tank, and an aerator arranged inside the clear water operation chamber and connected with the membrane assembly through a pipeline, wherein both the anoxic treatment tank and the membrane reaction tank are provided with drain pipes; a backwashing pipe communicated with the membrane reaction tank is further arranged on the clear water collecting tank. Through the integrated tank body, main water treatment assemblies are integrated, so that the volume of the equipment is reduced; the specially-designed membrane assembly is used, so that the manufacturing material of the equipment is saved, the water treatment effect is improved, the anti-pollution performance of the membrane is greatly improved, and the service life of the equipment is prolonged.
Description
Technical field
The present invention relates to water-treatment technology field, specifically, what relate to is a kind of integrated equipment for sewage treatment and technique thereof.
Background technology
Membrane technology is described as the water technology of 21 century, over nearly 40 years, develop day by day rapid. Compared with traditional water technology, that membrane technology has is energy-conservation, small investment, easy and simple to handle, treatment effeciency advantages of higher, and its application has brought huge environment and economy benefit to the mankind. Membrane technology being of wide application in water treatment is general, both can be used for drinking water treatment and also can be used for wastewater treatment, aspect the water treatment of some special industry, is also having and is setting foot in.
In application of membrane process, it is maximum problem that film pollutes. Along with the prolongation of service time, pollutant is adsorbed on film surface, through piling up for a long time, can cause Pore Blocking, reduces film handling property. And this situation has become one of bottleneck in embrane method water treatment technology.
Summary of the invention
The problem existing for overcoming prior art, the invention provides that a kind for the treatment of effect is good, film is difficult for contaminated integrated equipment for sewage treatment.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of integrated equipment for sewage treatment, comprise that by its interior separation be between pre-treatment, between main processing and the integrated box body of clear water operation room, be arranged in pre-treatment for receiving the anoxic treatment case of sewage, be arranged in main processing and the film reaction case being communicated with anoxic treatment case, be arranged at the membrane module in film reaction case, be arranged in clear water operation room and the clear water collecting tank being communicated with film reaction case, be arranged at the UV chlorination equipment of clear water collecting tank water inlet place, and be arranged in clear water operation room and the aerator being connected with membrane module by pipeline, described anoxic treatment case and film reaction case are equipped with blow-off pipe, on described clear water collecting tank, be also provided with the backwash pipe being communicated with film reaction case, described membrane module comprises many water-supply-pipes that are interconnected and form hydraulic pipeline and be frame structure, be communicated with hydraulic pipeline and be arranged on the several water treatment membrane stacks in this frame structure, and the respective numbers bar aeration tube of corresponding each water treatment membrane stack setting, described aeration tube is interconnected and forms gas circuit and be communicated with aerator, wherein at least one described water-supply-pipe is transparent tube body, so that water quality color in observation pipeline, thereby judge whether that diaphragm damages.
Further, described water treatment membrane stack comprises diaphragm, sealing ring, retainer plate and collector pipe, wherein, diaphragm middle part has the installation through hole that size is mated with collector pipe external diameter, sealing ring mates with this installation through hole, collector pipe two ends are communicated with the water-supply-pipe of correspondence position respectively, have multiple ostium excurrenses on it; N described diaphragm and N+1 described sealing ring interval heap row successively, make 1 diaphragm of every 2 sealing rings clamping, and sealing ring is corresponding with installation lead to the hole site, described collector pipe is through through hole and sealing ring inner ring being installed by all diaphragms and sealing ring serial connection, and each retainer plate that adopts is fixed on all diaphragms and sealing ring on collector pipe in the sealing ring position at both ends, described ostium excurrens is positioned at establishes chaffy position on collector pipe.
In order to increase the effective film area in related volume, the spacing between adjacent described diaphragm is 2 ~ 5mm. In order to improve water outlet efficiency, the aperture of described ostium excurrens is no more than the thickness of diaphragm.
Further, described diaphragm comprise stack gradually up and down and suppress be video disc shape modification pvdf membrane, support flow-guiding screen and modification pvdf membrane, and running through all modification pvdf membranes and the installation through hole that supports flow-guiding screen in this video disc shape center, the peripheral edge of described upper and lower two-layer modification pvdf membrane is compressed to the one of sealing; Described ostium excurrens is communicated with support flow-guiding screen.
Further, the composite modified coating that described modification pvdf membrane applies by PVDF basement membrane with in described PVDF membrane surface forms.
Specifically, the casting solution that described PVDF basement membrane is made up of the component of following mass percent is made through following process:
Casting solution component: PVDF16 ~ 30%, glycol monoethyl ether 15 ~ 20%, polyvinylpyrrolidone 20 ~ 25%, dimethylformamide 2 ~ 5%, dimethyl pyrrolidone 10 ~ 15%, dimethyl sulfoxide (DMSO) 7 ~ 12%;
Described PVDF basement membrane forming process: after above-mentioned each component material is mixed according to quantity, stir 24 ~ 36h to being uniformly dissolved under the temperature conditions of 65 ~ 100 DEG C, form casting solution; Then the casting solution of making is poured on glass plate, scrapes and make just film, and under the condition of 15 ~ 25 DEG C solidification forming; Just film is shaped rear automatic trip from glass plate, then first film is placed in to ultra-pure water and soaks 12 ~ 24h, and change water one time every 3h, finally cleans and obtains PVDF basement membrane.
And, after the composite modified reagent that described composite modified coating is applied by the PVDF membrane surface after cleaning dries, form; Described composite modified reagent is made in ultra-pure water solvent by the polyvinyl alcohol of 7 ~ 20% mass percents, the solute uniform dissolution that maleic anhydride, the dicumyl peroxide of 0.1 ~ 1% mass percent and the polyvinylpyrrolidone of 0 ~ 3.8% mass percent of 2 ~ 15% mass percents form.
In order to improve for the aeration intensity of each membrane stack and effectively to distribute aeration intensity, described aeration tube is arranged at the below of corresponding water treatment membrane stack; On described aeration tube, offer several micropores and several gross porosity, this gross porosity area is not less than 2 times of this micropore area; Described micropore position is corresponding with diaphragm position, and described gross porosity position is corresponding with the spacing position of two adjacent diaphragms.
Shed from the side for fear of aeration bubble, prevent that diaphragm surrounding liquid excessive concentration from producing concentration polarization phenomenon simultaneously, at least one side of the frame structure that described water-supply-pipe forms is provided with venetian blind type dividing plate; Described venetian blind type dividing plate comprises the base frame being connected with the frame structure of described water-supply-pipe formation, and is arranged at the several louvre blades that are the installation of oblique interval on base frame.
Another object of the present invention is to provide a kind of sewage treatment process, applies integrated equipment for sewage treatment described above, and its process is as follows:
(1) sanitary wastewater is come together in collecting pit and just sink;
(2), by the waste water timing grid processing in collecting pit, introduce in regulating reservoir after removing bulk foreign material, by regulating reagent that wastewater pH is controlled to 5.5 ~ 7.5;
(3) waste water in regulating reservoir is passed in the anoxic treatment case of described integrated equipment for sewage treatment, carry out Anaerobic Treatment, remove 80 ~ 85% ammonia nitrogen pollutant, the mud of generation drains into septic tank from blow-off pipe;
(4) waste water after Anaerobic Treatment, enter in film reaction case, carry out filtration treatment by membrane module, it produces water and is entered in hydraulic pipeline by collector pipe, the mud producing drains into septic tank by blow-off pipe, and timing is by aeration tube aeration in film reaction case, improve filter effect and film surface is produced to cleaning action, the COD clearance of waste water in described film reaction case is 80 ~ 90%, it is 50 ~ 100mg/L that product water water quality index reaches COD, and ammonia nitrogen is 8 ~ 15mg/L, and TN is 0.3 ~ 0.5mg/L, pH is that 6 ~ 9, SS is 20 ~ 70mg/L;
(5) generation of membrane module is sent into clear water collecting tank by hydraulic pipeline, and carries out disinfection by UV sterilizer entering before clear water collecting tank;
(6) directly outer row or as irrigation water or landscape water of the clear water in clear water collecting tank;
(7) clear water collecting tank regularly cleans film reaction case by backwash pipe;
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
COD, COD; TN, totalnitrogen, total nitrogen; SS, solid suspension; UV, ultraviolet ray; PVDF, Kynoar.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention integrates main water treatment component by integrated box body, waste water only needs comparatively simple pretreatment in access arrangement, to purify, make the volume of water treatment facilities reduce to improve with effect, and adopt custom-designed membrane module, save device fabrication material, improve water treatment effect, and the antifouling property of film improves greatly, extend service life of equipment, and the present invention is novel, easy to use, safe and reliable, be with a wide range of applications, be applicable to applying also.
(2) membrane module of the present invention adopts disc-type diaphragm, and adopt serial connection mode that all diaphragm arrangement are to barrel mast shape, form the structure of feed liquor processing around, central water outlet, ensureing on the basis of sufficient film contact area, greatly reduce membrane stack and taken volume, thereby made to there is larger membrane area in the membrane module of same volume, improved water treatmenting performance, and the diaphragm of specially treated has also strengthened antifouling property and the water penetration on film surface greatly, has improved water treatmenting performance.
(3) the present invention also adopts the diaphragm that special material is made, improve the suppleness of diaphragm, its bending is not yielding, smooth surface, and the water turbulence effect that can improve film surface reduces concentration polarization, the hole simultaneously forming on film is mandruka network structure, greatly improve the stifled property of anti-soil, also by modifying agent, current potential processing has been carried out in film surface, made it have more hydrophily, and film adhesion is strong, not easily separated peeling off.
(4) the present invention adopts the diaphragm structure of three-decker, water purification after filtering by the pvdf membrane of outer two layers is by the inflow centre, support flow-guiding screen place of intermediate course, water after the design of two-way sealing ring makes to filter can only the ostium excurrens from collector pipe enters in collector pipe and collects, change and filtered water-out manners in the past, shown unique characteristics.
(5) the present invention utilizes water-supply-pipe to form frame structure, in the situation that taking into account the collection of product water, has also played support effect, has reduced additional materials making, has reduced production cost.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the structural representation of membrane module in the present invention.
Fig. 3 is the structural representation of membrane stack in the present invention.
Fig. 4 is the cutaway view of diaphragm in the present invention.
Fig. 5 is the structural representation of modification pvdf membrane in the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figures 1 to 5, this integrated equipment for sewage treatment, comprise that by its interior separation be between pre-treatment 2, between main processing 3 and the integrated box body 1 of clear water operation room 4, be arranged in pre-treatment for receiving the anoxic treatment case 5 of sewage, be arranged in main processing and the film reaction case 6 being communicated with anoxic treatment case, be arranged at the membrane module 10 in film reaction case, be arranged in clear water operation room and the clear water collecting tank 7 being communicated with film reaction case, be arranged at the UV chlorination equipment 8 of clear water collecting tank water inlet place, and be arranged in clear water operation room and the aerator 9 being connected with membrane module by pipeline, described anoxic treatment case and film reaction case are equipped with blow-off pipe 11, on described clear water collecting tank, be also provided with the backwash pipe 12 being communicated with film reaction case, described membrane module comprises the many water-supply-pipes 13 that are interconnected and form hydraulic pipeline and be frame structure, be communicated with hydraulic pipeline and be arranged on the several water treatment membrane stacks 14 in this frame structure, and the respective numbers bar aeration tube 15 of corresponding each water treatment membrane stack setting, described aeration tube is interconnected and forms gas circuit and be communicated with aerator, wherein at least one described water-supply-pipe is transparent tube body, so that water quality color in observation pipeline, thereby judge whether that diaphragm damages.
Further, described water treatment membrane stack comprises diaphragm 21, sealing ring 22, retainer plate 23 and collector pipe 24, wherein, diaphragm middle part has the installation through hole 25 that size is mated with collector pipe external diameter, sealing ring mates with this installation through hole, collector pipe two ends are communicated with the water-supply-pipe of correspondence position respectively, have multiple ostium excurrenses on it; N described diaphragm and N+1 described sealing ring interval heap row successively, make 1 diaphragm of every 2 sealing rings clamping, and sealing ring is corresponding with installation lead to the hole site, described collector pipe is through through hole and sealing ring inner ring being installed by all diaphragms and sealing ring serial connection, and each retainer plate that adopts is fixed on all diaphragms and sealing ring on collector pipe in the sealing ring position at both ends, described ostium excurrens is positioned at establishes chaffy position on collector pipe.
In order to increase the effective film area in related volume, the spacing between adjacent described diaphragm is 2 ~ 5mm. In order to improve water outlet efficiency, the aperture of described ostium excurrens is no more than the thickness of diaphragm.
Further, described diaphragm comprise stack gradually up and down and suppress be video disc shape modification pvdf membrane 26, support flow-guiding screen 27 and modification pvdf membrane, and running through all modification pvdf membranes and the installation through hole that supports flow-guiding screen in this video disc shape center, the peripheral edge of described upper and lower two-layer modification pvdf membrane is compressed to the one of sealing; Described ostium excurrens is communicated with support flow-guiding screen. The composite modified coating 29 that described modification pvdf membrane applies by PVDF basement membrane 28 with in described PVDF membrane surface forms.
In order to improve for the aeration intensity of each membrane stack and effectively to distribute aeration intensity, described aeration tube is arranged at the below of corresponding water treatment membrane stack; On described aeration tube, offer several micropores 16 and several gross porosity 17, this gross porosity area is not less than 2 times of this micropore area; Described micropore position is corresponding with diaphragm position, and described gross porosity position is corresponding with the spacing position of two adjacent diaphragms.
Shed from the side for fear of aeration bubble, prevent that diaphragm surrounding liquid excessive concentration from producing concentration polarization phenomenon simultaneously, at least one side of the frame structure that described water-supply-pipe forms is provided with venetian blind type dividing plate 18; Described venetian blind type dividing plate comprises the base frame 19 being connected with the frame structure of described water-supply-pipe formation, and is arranged at the several louvre blades 20 that are the installation of oblique interval on base frame.
Specifically, the casting solution that described PVDF basement membrane is made up of the component of following mass percent is made through following process:
Casting solution component: PVDF16 ~ 30%, glycol monoethyl ether 15 ~ 20%, polyvinylpyrrolidone 20 ~ 25%, dimethylformamide 2 ~ 5%, dimethyl pyrrolidone 10 ~ 15%, dimethyl sulfoxide (DMSO) 7 ~ 12%;
Described PVDF basement membrane forming process: after above-mentioned each component material is mixed according to quantity, stir 24 ~ 36h to being uniformly dissolved under the temperature conditions of 65 ~ 100 DEG C, form casting solution; Then the casting solution of making is poured on glass plate, scrapes and make just film, and under the condition of 15 ~ 25 DEG C solidification forming; Just film is shaped rear automatic trip from glass plate, then first film is placed in to ultra-pure water and soaks 12 ~ 24h, and change water one time every 3h, finally cleans and obtains PVDF basement membrane.
And, after the composite modified reagent that described composite modified coating is applied by the PVDF membrane surface after cleaning dries, form; Described composite modified reagent is made in ultra-pure water solvent by the polyvinyl alcohol of 7 ~ 20% mass percents, the solute uniform dissolution that maleic anhydride, the dicumyl peroxide of 0.1 ~ 1% mass percent and the polyvinylpyrrolidone of 0 ~ 3.8% mass percent of 2 ~ 15% mass percents form. While preparing composite modified reagent, above-mentioned solute is dissolved in the ultra-pure water solvent of 80 ± 3 DEG C, uses at the uniform velocity agitator, by the speed of 75 ~ 150rad/min, above-mentioned mixed solution is stirred to 15 ~ 25min, each component is fully mixed, form gluing state.
By PVDF basement membrane distilled water washes clean, then in gnotobasis, leave standstill 2h; The composite modified reagent of gluing state is evenly coated on to PVDF membrane surface, at the temperature of 25 ± 3 DEG C, naturally dries.
The present invention also provides a kind of sewage treatment process, applies integrated equipment for sewage treatment described above, and its process is as follows:
(1) sanitary wastewater is come together in collecting pit and just sink;
(2), by the waste water timing grid processing in collecting pit, introduce in regulating reservoir after removing bulk foreign material, by regulating reagent that wastewater pH is controlled to 5.5 ~ 7.5;
(3) waste water in regulating reservoir is passed in the anoxic treatment case of described integrated equipment for sewage treatment, carry out Anaerobic Treatment, remove 80 ~ 85% ammonia nitrogen pollutant, the mud of generation drains into septic tank from blow-off pipe;
(4) waste water after Anaerobic Treatment, enter in film reaction case, carry out filtration treatment by membrane module, it produces water and is entered in hydraulic pipeline by collector pipe, the mud producing drains into septic tank by blow-off pipe, and timing is by aeration tube aeration in film reaction case, improve filter effect and film surface is produced to cleaning action, the COD clearance of waste water in described film reaction case is 80 ~ 90%, it is 50 ~ 100mg/L that product water water quality index reaches COD, and ammonia nitrogen is 8 ~ 15mg/L, and TN is 0.3 ~ 0.5mg/L, pH is that 6 ~ 9, SS is 20 ~ 70mg/L;
(5) generation of membrane module is sent into clear water collecting tank by hydraulic pipeline, and carries out disinfection by UV sterilizer entering before clear water collecting tank;
(6) directly outer row or as irrigation water or landscape water of the clear water in clear water collecting tank;
(7) clear water collecting tank regularly cleans film reaction case by backwash pipe;
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
Above-described embodiment is only the preferred embodiments of the present invention, and not limiting the scope of the invention adopts design principle of the present invention in every case, and carries out non-creativeness work on this basis and the variation made, within all should belonging to protection scope of the present invention.
Claims (10)
1. an integrated equipment for sewage treatment, it is characterized in that, comprise that by its interior separation be between pre-treatment, between main processing and the integrated box body of clear water operation room, be arranged in pre-treatment for receiving the anoxic treatment case of sewage, be arranged in main processing and the film reaction case being communicated with anoxic treatment case, be arranged at the membrane module in film reaction case, be arranged in clear water operation room and the clear water collecting tank being communicated with film reaction case, be arranged at the UV chlorination equipment of clear water collecting tank water inlet place, and be arranged in clear water operation room and the aerator being connected with membrane module by pipeline, described anoxic treatment case and film reaction case are equipped with blow-off pipe, on described clear water collecting tank, be also provided with the backwash pipe being communicated with film reaction case, described membrane module comprises many water-supply-pipes that are interconnected and form hydraulic pipeline and be frame structure, be communicated with hydraulic pipeline and be arranged on the several water treatment membrane stacks in this frame structure, and the respective numbers bar aeration tube of corresponding each water treatment membrane stack setting, described aeration tube is interconnected and forms gas circuit and be communicated with aerator, and wherein at least one described water-supply-pipe is transparent tube body.
2. integrated equipment for sewage treatment according to claim 1, it is characterized in that, described water treatment membrane stack comprises diaphragm, sealing ring, retainer plate and collector pipe, wherein, diaphragm middle part has the installation through hole that size is mated with collector pipe external diameter, sealing ring mates with this installation through hole, and collector pipe two ends are communicated with the water-supply-pipe of correspondence position respectively, have multiple ostium excurrenses on it; N described diaphragm and N+1 described sealing ring interval heap row successively, make 1 diaphragm of every 2 sealing rings clamping, and sealing ring is corresponding with installation lead to the hole site, described collector pipe is through through hole and sealing ring inner ring being installed by all diaphragms and sealing ring serial connection, and each retainer plate that adopts is fixed on all diaphragms and sealing ring on collector pipe in the sealing ring position at both ends, described ostium excurrens is positioned at establishes chaffy position on collector pipe.
3. integrated equipment for sewage treatment according to claim 2, is characterized in that, the spacing between adjacent described diaphragm is 2 ~ 5mm.
4. integrated equipment for sewage treatment according to claim 2, it is characterized in that, described diaphragm comprise stack gradually up and down and suppress be video disc shape modification pvdf membrane, support flow-guiding screen and modification pvdf membrane, and running through all modification pvdf membranes and the installation through hole that supports flow-guiding screen in this video disc shape center, the peripheral edge of described upper and lower two-layer modification pvdf membrane is compressed to the one of sealing; Described ostium excurrens is communicated with support flow-guiding screen.
5. integrated equipment for sewage treatment according to claim 4, is characterized in that, the composite modified coating that described modification pvdf membrane applies by PVDF basement membrane with in described PVDF membrane surface forms.
6. integrated equipment for sewage treatment according to claim 5, is characterized in that, the casting solution that described PVDF basement membrane is made up of the component of following mass percent is made through following process:
Casting solution component: PVDF16 ~ 30%, glycol monoethyl ether 15 ~ 20%, polyvinylpyrrolidone 20 ~ 25%, dimethylformamide 2 ~ 5%, dimethyl pyrrolidone 10 ~ 15%, dimethyl sulfoxide (DMSO) 7 ~ 12%;
Described PVDF basement membrane forming process: after above-mentioned each component material is mixed according to quantity, stir 24 ~ 36h to being uniformly dissolved under the temperature conditions of 65 ~ 100 DEG C, form casting solution; Then the casting solution of making is poured on glass plate, scrapes and make just film, and under the condition of 15 ~ 25 DEG C solidification forming; Just film is shaped rear automatic trip from glass plate, then first film is placed in to ultra-pure water and soaks 12 ~ 24h, and change water one time every 3h, finally cleans and obtains PVDF basement membrane.
7. integrated equipment for sewage treatment according to claim 5, is characterized in that, after the composite modified reagent that described composite modified coating is applied by the PVDF membrane surface after cleaning dries, forms; Described composite modified reagent is made in ultra-pure water solvent by the polyvinyl alcohol of 7 ~ 20% mass percents, the solute uniform dissolution that maleic anhydride, the dicumyl peroxide of 0.1 ~ 1% mass percent and the polyvinylpyrrolidone of 0 ~ 3.8% mass percent of 2 ~ 15% mass percents form.
8. according to the integrated equipment for sewage treatment described in claim 1 ~ 7 any one, it is characterized in that, described aeration tube is arranged at the below of corresponding water treatment membrane stack; On described aeration tube, offer several micropores and several gross porosity, this gross porosity area is not less than 2 times of this micropore area; Described micropore position is corresponding with diaphragm position, and described gross porosity position is corresponding with the spacing position of two adjacent diaphragms.
9. according to the integrated equipment for sewage treatment described in claim 1 ~ 7 any one, it is characterized in that, at least one side of the frame structure that described water-supply-pipe forms is provided with venetian blind type dividing plate; Described venetian blind type dividing plate comprises the base frame being connected with the frame structure of described water-supply-pipe formation, and is arranged at the several louvre blades that are the installation of oblique interval on base frame.
10. a sewage treatment process, is characterized in that, the integrated equipment for sewage treatment of application as described in claim 1 ~ 9 any one, and its process is as follows:
(1) sanitary wastewater is come together in collecting pit and just sink;
(2), by the waste water timing grid processing in collecting pit, introduce in regulating reservoir after removing bulk foreign material, by regulating reagent that wastewater pH is controlled to 5.5 ~ 7.5;
(3) waste water in regulating reservoir is passed in the anoxic treatment case of described integrated equipment for sewage treatment, carry out Anaerobic Treatment, remove 80 ~ 85% ammonia nitrogen pollutant, the mud of generation drains into septic tank from blow-off pipe;
(4) waste water after Anaerobic Treatment, enter in film reaction case, carry out filtration treatment by membrane module, it produces water and is entered in hydraulic pipeline by collector pipe, the mud producing drains into septic tank by blow-off pipe, and timing is by aeration tube aeration in film reaction case, improve filter effect and film surface is produced to cleaning action, the COD clearance of waste water in described film reaction case is 80 ~ 90%, it is 50 ~ 100mg/L that product water water quality index reaches COD, and ammonia nitrogen is 8 ~ 15mg/L, and TN is 0.3 ~ 0.5mg/L, pH is that 6 ~ 9, SS is 20 ~ 70mg/L;
(5) generation of membrane module is sent into clear water collecting tank by hydraulic pipeline, and carries out disinfection by UV sterilizer entering before clear water collecting tank;
(6) directly outer row or as irrigation water or landscape water of the clear water in clear water collecting tank;
(7) clear water collecting tank regularly cleans film reaction case by backwash pipe;
(8) septic tank periodic cleaning, sludge curing outward transport landfill.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731864A (en) * | 2016-12-27 | 2017-05-31 | 贵阳时代沃顿科技有限公司 | A kind of device for the detection of dense net resistance tocrocking |
| CN107684936A (en) * | 2017-10-23 | 2018-02-13 | 毛杰 | A kind of new 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731864A (en) * | 2016-12-27 | 2017-05-31 | 贵阳时代沃顿科技有限公司 | A kind of device for the detection of dense net resistance tocrocking |
| 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 |
| CN107684936A (en) * | 2017-10-23 | 2018-02-13 | 毛杰 | A kind of new chemical reagent device |
| 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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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 |
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