CN105561791A - Ultrafiltration membrane filter cartridge, ultrafiltration membrane filter device and ultrafiltration membrane filter system - Google Patents
Ultrafiltration membrane filter cartridge, ultrafiltration membrane filter device and ultrafiltration membrane filter system Download PDFInfo
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- CN105561791A CN105561791A CN201410623917.7A CN201410623917A CN105561791A CN 105561791 A CN105561791 A CN 105561791A CN 201410623917 A CN201410623917 A CN 201410623917A CN 105561791 A CN105561791 A CN 105561791A
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Abstract
The invention relates to sewage filtering equipment, in particular to an ultrafiltration membrane filter cartridge produced by using an ultrafiltration membrane, as well as an ultrafiltration membrane filter device and an ultrafiltration membrane filter system, wherein the ultrafiltration membrane filter cartridge comprises a cartridge body (100); a water outlet pipe (102) is arranged on the cartridge body (100); a collecting pipe (200) is also arranged inside the cartridge body (100); the collecting pipe (200) is communicated with the water outlet pipe (102); collecting holes (201) are formed in the collecting pipe (200); a filter layer (300) for wrapping the water outlet pipe (200) is also arranged inside the cartridge body (100), and is used for rapidly and effectively filtering sewage. Due to the ultrafiltration membrane filter device and the ultrafiltration membrane filter system which are produced on the basis of the ultrafiltration membrane filter cartridge, large-scale sewage treatment is realized, and the sewage filtration capacity is greatly improved.
Description
Technical field
The present invention designs sewage filtration equipment, more particularly, relates to the ultrafiltration membrance filter cylinder, ultrafiltration membrane filter device and the system that use milipore filter to make.
Background technology
Water is the required material of tellurian any biology, life entity, the soil of lack of water just cannot breed biology, fresh water is irrigated and the essential elements breeding terrestrial life especially, the population growing in the whole world, agricultural irrigation demand and water for industrial use demand, water supply amount reduces with beyond example speed, and the source of fresh water, saving, storage, utilization are global important issue.Life and the water resource of biology are closely bound up, but in the saving of water resource, have a lot of subjects under discussion, and the recovery of such as waste water re-uses, urban sewage treatment system, rainwater-collecting use, various water-saving utensil.
Milipore filter, be that a kind of aperture specification is consistent, nominal pore scope is the micropore filtering film of 0.001-0.02 micron.Impose suitable pressure in the side of film, just can sift out the solute molecule being less than aperture, with the particle that isolated molecule amount is greater than 500 dalton (atomic mass unit), particle diameter is greater than 10 nanometers.Milipore filter is one of polymeric membrane for separation developed the earliest, and the commercial Application of milipore filter is very extensive, has become one of Novel chemical unit operations.For separating of, in concentrated, purifying biological goods, pharmaceutical products and food industry; Also for the terminal processing device in blood treatment, wastewater treatment and ultra-pure water preparation.Milipore filter is successfully utilized to carry out the concentrated purification of Chinese herbal medicine in China.Milipore filter is along with the progress of technology, and its screening function will be improved and strengthen, to the contribution of human society also by increasing.
Use based on the effluent cycle that milipore filter is leading and become novel valuable water resource supply, ultrafiltration membrane technique has been proved to be safe and reliable, it can make the high-concentration sewage recycling of many types, but for various reasons, ultrafiltration membrance filter technology all cannot obtain significant progress all the time, large-scale sewage treatment facility field is almost in space state always, trace it to its cause, one is the poor filtration effect of filter own, and speed is slow, and cost is too high; Two is the treatment facilities being difficult to be formed scale, maximization, constrains the practical application of sewage disposal technology greatly.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of good filtration effect and being convenient to assemble the ultrafiltration membrance filter cylinder, ultrafiltration membrane filter device and the system that use.
The present invention for solving the problems of the technologies described above adopted technical scheme is: ultrafiltration membrance filter cylinder, comprise a cylindrical shell, described cylindrical shell is provided with water inlet pipe and outlet pipe, the collecting pipe be communicated with described outlet pipe is also provided with in described cylindrical shell, described collecting pipe is communicated with described outlet pipe, described collecting pipe is provided with collection hole, in described cylindrical shell, is also provided with the filter course comprising milipore filter be wrapped in by described outlet pipe.
For above-mentioned ultrafiltration membrance filter cylinder, as a kind of plan of establishment for filter course, described filter course comprises the permeable formation, ultrafiltration rete, feed water flow channel layer and the outer wrap that are arranged in order from the inside to the outside.And described permeable formation is polyether sulfone, described feed water flow channel layer is polysulfones, and its surface is provided with multiple flow channel, and described outer wrap is polyvinylidene fluoride or polyacrylonitrile.
For above-mentioned ultrafiltration membrance filter cylinder, as further setting, described cylindrical shell is also provided with overflow pipe and the aeration tube for balancing described inner barrel air pressure, make the pressure that can obtain balance in cylindrical shell, can pass through overflow pipe outflow tube when liquid is too much, aeration tube then can balance the air pressure in cylindrical shell.
For above-mentioned ultrafiltration membrance filter cylinder, as further setting, described collecting pipe is communicated with described outlet pipe by pipe joint.
For above-mentioned ultrafiltration membrance filter cylinder, as further setting, tube connector terminal is also provided with between described collecting pipe and described pipe joint, described outlet pipe is fixed on described tube connector terminal, is provided with pad and locking nut between described pipe joint and described connecting rod terminal.
Ultrafiltration membrane filter device provided by the invention, comprise a support body, described support body is provided with water inlet manifold and outfall sewer, described support body is provided with multiple above-mentioned ultrafiltration membrance filter cylinder, the water inlet pipe of described ultrafiltration membrance filter cylinder is communicated with described water inlet manifold, and the outlet pipe of described ultrafiltration membrance filter cylinder is communicated with described outfall sewer.
For above-mentioned ultrafiltration membrane filter device, as further setting, described support body is also provided with aeration house steward and return main, the aeration tube of described ultrafiltration membrance filter cylinder is communicated with described aeration house steward, the overflow pipe of described ultrafiltration membrance filter cylinder is communicated with described return main, and further, described return main is communicated with described water inlet manifold.
For above-mentioned ultrafiltration membrane filter device, as further setting, described support body is also provided with multiple location endless belt for fixing described ultrafiltration membrance filter cylinder, what it is such that ultrafiltration membrance filter cylinder can be firm is fixed on support body.
Ultrafiltration membrance filter system provided by the invention, comprise cesspool, sewage efferent duct, water purifying tank, water purification efferent duct and water pump, described sewage efferent duct is communicated with described cesspool, described water purification efferent duct is communicated with described water purifying tank, also be provided with above-mentioned ultrafiltration membrane filter device, the water inlet manifold of described ultrafiltration membrane filter device is communicated with described sewage efferent duct, and the outfall sewer of described ultrafiltration membrane filter device is communicated with described water purification efferent duct.
For above-mentioned ultrafiltration membrance filter system, as further setting, being also provided with the sewage pool of the filtrate for collecting described ultrafiltration membrane filter device, after to ultrafiltration membrane filter device cleaning, cleaning dirty being stored in sewage pool.
For above-mentioned ultrafiltration membrance filter system, as further setting, being also provided with air blast, for being blown into air in aeration house steward, equilibrium air pressure, ensureing that ultrafiltration membrance filter system can trouble-free operation in the air pressure atmosphere of a balance.
For above-mentioned ultrafiltration membrance filter system, as further setting, also be provided with at described water purification efferent duct place and be communicated with it and system can be phoresied to its inner chemistry that add chemical substance, for adding water purification material in the water after filtration, except the chemical substance that the middle ultrafiltration membrane filter device that anhydrates cannot remove, make the water that filters out more pure, obtain better, higher-quality filtered water.
Implement ultrafiltration membrance filter cylinder of the present invention, ultrafiltration membrane filter device and system and there is following beneficial effect: the ultrafiltration membrance filter cylinder in the present invention adopts and arrange collecting pipe in cylindrical shell, collecting pipe is provided with multiple collection hole, filter course is used to be wrapped up completely by collecting pipe afterwards, the position making collecting pipe be provided with collecting pipe in cylindrical shell is filtered layer and covers sealing completely, the water entered from cylindrical shell water inlet pipe just can only be entered in collecting pipe after filter course filters, can be clean by sewage water filtration fast and effectively; The present invention also provides ultrafiltration membrane filter device, support body is used to be fixed together by multiple ultrafiltration membrance filter cylinder, and the water inlet pipe of ultrafiltration membrance filter cylinder is connected on water inlet manifold jointly, outlet pipe is ined succession on outfall sewer jointly, can greatly filter efficiency be improved, a large amount of filtered water can be provided at short notice; The ultrafiltration membrance filter system utilizing ultrafiltration membrane filter device to make; use the hyperfiltration membrane assembly that multiple ultra-filtration membrane device is formed; by arranging sewage efferent duct, the sewage in cesspool is sent in water inlet manifold respectively; and finally unify to collect after ultrafiltration membrance filter cylinder filters to send in water purifying tank through water purification efferent duct; whole system use and operating process simple, convenient and swift; achieve the scale of sewage disposal, greatly improve sewage water filtration disposal ability.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the ultrafiltration membrance filter cylinder in the embodiment of the present invention;
Fig. 2 is the side sectional view of the ultrafiltration membrance filter cylinder in the embodiment of the present invention;
Fig. 3 is the structural blast figure of the ultrafiltration membrance filter cylinder in the embodiment of the present invention;
Fig. 4 is the structural representation of the support body in the ultrafiltration membrane filter device in the embodiment of the present invention;
Fig. 5 is the side view of the ultrafiltration membrane filter device in the embodiment of the present invention;
Fig. 6 is the perspective view of the ultrafiltration membrane filter device in the embodiment of the present invention;
Fig. 7 is the perspective view of the ultrafiltration membrance filter system in the embodiment of the present invention;
Fig. 8 is the structural representation that the multiple ultra-filtration membrane device in the ultrafiltration membrance filter system in the embodiment of the present invention link together.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Ultrafiltration membrance filter cylinder in the embodiment of the present invention, as shown in Figure 1, comprise a cylindrical shell 100, cylindrical shell 100 is provided with water inlet pipe 101 and outlet pipe 102, outlet pipe 102 is arranged on the end of cylindrical shell 100 in FIG, collecting pipe 200 is provided with in cylindrical shell 100, collecting pipe 200 is positioned at the centre of cylindrical shell 100, multiple collection hole 201 is provided with above it, outlet pipe 102 is connected with collection hole 201, filter course 300 is also provided with in cylindrical shell 100, collecting pipe 200 wraps by filter course 300 completely, like this, the sewage entered in cylindrical shell 100 from water inlet pipe 102 enters into collecting pipe 200 by collection hole 201 after filtering layer 300 filters, and discharge cylindrical shell 100 eventually through outlet pipe 102.
In FIG, filter course 300 is made up of multiple layer structure, and it is followed successively by from inside to outside: permeable formation, ultrafiltration rete, feed water flow channel layer and outer wrap.When selecting the material of each layer structure making filter course 300, the layers of material specifically selected is as follows, permeable formation selects polyether sulfone (PES), feed water flow channel layer is polysulfones (PSF), and its surface is provided with multiple flow channel, described outer wrap is polyvinylidene fluoride (PVDF) or polyacrylonitrile (PAN); But the present invention is not limited to above-mentioned material, the alternative selection that any existing effect is equal to above-mentioned material is considered as the equivalent replacement of above-mentioned selection, will not enumerate at this.
Fig. 2 is the side sectional view of the ultrafiltration membrance filter cylinder in the embodiment of the present invention, as shown in the figure, collecting pipe 200 is provided with in cylindrical shell 100, collecting pipe 200 is fixed on the center of the filter core lid 800 being positioned at cylindrical shell 100 by pipe joint 500, facilitate the loop configuration at filter core lid 800 center can be enclosed within pipe joint 500, around filter course 300 around collecting pipe 200, sewage enters in cylindrical shell 100 from water inlet pipe 101, converge in collecting pipe 200 after filtering layer 300 filters, finally discharge cylindrical shell 100.
Explosive view when Fig. 3 is the assembling of ultrafiltration membrance filter cylinder of the present invention, in figure 3, water inlet pipe 101 is arranged on the side, bottom of cylindrical shell 100, namely sewage enters cylindrical shell 100 from the water inlet pipe 101 bottom cylindrical shell 100, discharge from collecting pipe 200 after filtering layer 300 filters, overflow pipe 103 is arranged on the side, top of cylindrical shell 100, when passing into the sewage quantity in cylindrical shell 100 and being larger, when filter course 300 cannot meet filtering requirement, too much sewage just can from overflow pipe 103 direct outflow tube 100, avoid the phenomenon of the excessive damage cylindrical shell of the too much build-up of pressure of sewage or filter course in cylindrical shell 100, collecting pipe 200 is positioned at the axial centerline of cylindrical shell 100, when assembling, at collecting pipe 200 one end mounting pipe joint 500, and upper gasket 600 is overlapped on pipe joint 500, afterwards filter core lid 800 is contained on pipe joint 500, the excircle diameter of filter core lid 800 and the inner periphery diameter of cylindrical shell 100 adapt, filter core lid 800 can be stuck in cylindrical shell 100 just, on pipe joint 500, tube connector terminal 400 is installed again afterwards, finally, collecting pipe 200 is placed on cylindrical shell 100 center jointly together with parts mounted above it, finally cover 105 is set in cylindrical shell 100 bottom, in cylindrical shell 100, place filter course 300 simultaneously, and collecting pipe 200 is wrapped by filter course 300, make its tightly be wrapped on collecting pipe 200, the entire length of filter course 300 is shorter, but the part that collecting pipe 200 will be provided with collection hole 201 all covers, finally in cylindrical shell 100, the two ends of filter course 300 are sealed relative to collecting pipe 200, the sewage in cylindrical shell 100 just can only be entered in collecting pipe 200 through after filter course 300 filtration.
Ultrafiltration membrane filter device, comprise a support body 21, as shown in Figure 4, support body 21 is respectively equipped with water inlet manifold 2 and outfall sewer 1, water inlet manifold 2 is positioned at the below of support body 21, as shown in Figure 5, outfall sewer 1 is arranged on the top of support body 21, support body 21 has also been arranged side by side multiple location endless belt 12, ultrafiltration membrance filter cylinder above-mentioned in a present invention is equipped with in each location endless belt 12, and, each water inlet pipe 101 on ultrafiltration membrance filter cylinder is all communicated with water inlet manifold 2, simultaneously, each outlet pipe 102 on ultrafiltration membrance filter cylinder is also all communicated with outfall sewer 1, multiple ultrafiltration membrance filter cylinder is made to be controlled unified for sewage being passed in its cylindrical shell 100 to filter by water inlet manifold 2, and the water after making multiple ultrafiltration membrance filter cylinder filter is delivered in outfall sewer 1 by outlet pipe 102 is unified, and finally discharge.
Fig. 6 is the perspective view of ultrafiltration membrane filter device, in figure 6, support body 21 is provided with the ultrafiltration membrane filter device of two rows, the structure of symmetrical formula is arranged to by support body 21, in this case water inlet manifold 2 and outfall sewer 1 are positioned at the middle part of whole support body 21, at the position of the support body 21 of the both sides of water inlet manifold 2 and outfall sewer 1, multiple location endless belt 12 is set, a ultrafiltration membrance filter cylinder is set in each location endless belt 12, and the water inlet pipe 101 of ultrafiltration membrance filter cylinder is communicated with the water inlet manifold 2 on support body 21, its outlet pipe 102 is communicated with the outfall sewer 1 on support body 21, in actual production process, can increase in addition tube connector make water inlet pipe 101 with water inlet manifold 2, outlet pipe 102 is more convenient with the connection of outfall sewer 1, at this moment corresponding needs offers connecting hole (not indicating in figure) on water inlet manifold 2 and outfall sewer 1, be convenient to be connected and installed.
Simultaneously, in figure 6, the support body 21 of ultrafiltration membrane filter device is also provided with aeration house steward 3 and return main 13, accordingly, the aeration tube 104 of ultrafiltration membrance filter cylinder is all communicated with aeration house steward 3, air-flow is provided by aeration house steward 3 is unified and is dispensed in each aeration tube 104, finally pass in ultrafiltration membrance filter cylinder, overflow pipe 103 is communicated with return main 13, the sewage overflowed from ultrafiltration membrance filter cylinder is made to be pooled in return main 13, and, return main 13 to be communicated with water inlet manifold 2, the sewage overflowed from ultrafiltration membrance filter cylinder is entered in each ultrafiltration membrance filter cylinder again from water inlet manifold 2 again filter, namely the pressure in ultrafiltration membrance filter cylinder is balanced, avoid and cause filtration unclean because sewage intake is excessive, the problem simultaneously sewage can also being avoided to outflow.
As shown in Figure 7, ultrafiltration membrance filter system, the sewage efferent duct 41 comprising cesspool 31 and be communicated with it, water pump 91, water purifying tank 71 and the water purification efferent duct 51 be communicated with it, and the ultrafiltration membrance filter assembly 1000 to be made up of multiple ultrafiltration membrane filter device, multiple ultrafiltration membrane filter device is arranged side by side together, the water inlet manifold 2 of each ultrafiltration membrane filter device is communicated with described sewage efferent duct 41, sewage is provided by cesspool 31, power is provided by water pump 91, by sewage efferent duct 41 by sewage transport in water inlet manifold 2, and finally enter in ultrafiltration membrance filter cylinder, after it filters, export from cylindrical shell 100, water purification efferent duct 51 is communicated with outfall sewer 1, water after filtering from ultrafiltration membrance filter cylinder flows out and is delivered in outfall sewer 1 from outlet pipe 102, eventually passing through water purification efferent duct 51 is delivered in water purifying tank 71, complete whole filter process.
In the figure 7, multiple water pump 91 is set on cesspool 31 side, for the sewage in cesspool 31 is extracted in sewage efferent duct 41, same, be also provided with multiple water pump 91 on water purifying tank 71 side, for being extracted in water purifying tank 71 by the water in water purification efferent duct 51; In the figure 7, ultrafiltration membrance filter system also comprises air blast 82 and chemistry phoresys system 83, air blast 82 for passing into air-flow in aeration house steward 3, chemistry phoresys system 83 and is communicated with water purification efferent duct 51, for adding chemical cleaning method medicament in the water after the filtration in water purification efferent duct 51, the water entered in water purifying tank 71 is made to obtain final purified treatment.
Ultrafiltration membrance filter system in the embodiment of the present invention as shown in Figure 7, is also provided with the sewage pool 81 of the filtrate for collecting described ultrafiltration membrane filter device, for collecting the impurity, dirt etc. that filter out in ultrafiltration membrance filter cylinder.
Fig. 8 is that the multiple ultrafiltration membrane filter devices in the ultrafiltration membrance filter system in the present invention link together the structural representation of composition ultrafiltration membrance filter assembly, can find out from Fig. 8, the sewage efferent duct 41 of ultrafiltration membrance filter system, water purification efferent duct 51, appendix 52 and overflow separator tube 53 carry respectively as four main pipelines and in ultrafiltration membrance filter cylinder, to input sewage, export water purification, pass into gas and generate the effect that pressure in ultrafiltration membrance filter cylinder is alleviated in air pressure and overflow, are coupled together by multiple ultrafiltration membrane filter device to merge to use.
Ultrafiltration membrance filter cylinder in the present invention, ultrafiltration membrane filter device and ultrafiltration membrance filter system all can open backwash mode, for the backwash mode of ultrafiltration membrance filter cylinder, namely in cylindrical shell 100, cleaning fluid is passed into from outlet pipe 102, cleaning fluid is sprayed from collecting pipe 200 and by getting rid of cylindrical shell 200 through water inlet pipe 101 after filter course 300, because liquid flow direction is contrary with sewage water filtration process, therefore backwash process can fast by the filtrate on filter course 300 to washing down, flow in sewage pool through water inlet pipe 101; For the backwash process of ultrafiltration membrane filter device and ultrafiltration membrance filter system, it is all identical with ultrafiltration membrance filter cylinder, only need from outfall sewer 1, to pass into cleaning fluid accordingly, the direction making it contrary with relative filter process flows into, dirt on filter course 300 in ultrafiltration membrance filter cylinder in ultrafiltration membrane filter device can be washed, sewage after cleaning flows in sewage pool through water inlet manifold 2, and the backwash process of same ultrafiltration membrance filter system is similar to above-mentioned, no longer repeats at this.
By reference to the accompanying drawings the specific embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those skilled in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (14)
1. ultrafiltration membrance filter cylinder, comprise a cylindrical shell (100), described cylindrical shell (100) is provided with water inlet pipe (101) and outlet pipe (102), it is characterized in that: in described cylindrical shell (100), be also provided with the collecting pipe (200) be communicated with described outlet pipe (102), described collecting pipe (200) is provided with collection hole (201), in described cylindrical shell (100), be also provided with the filter course (300) be wrapped in by described outlet pipe (200), in described filter course (300), be provided with milipore filter.
2. ultrafiltration membrance filter cylinder according to claim 1, is characterized in that: described filter course (300) comprises the permeable formation (301), ultrafiltration rete (302), feed water flow channel layer (303) and the outer wrap (304) that are arranged in order from the inside to the outside.
3. ultrafiltration membrance filter cylinder according to claim 2, is characterized in that: described permeable formation is polyether sulfone, and described feed water flow channel layer is polysulfones, and its surface is provided with multiple flow channel, and described outer wrap is polyvinylidene fluoride or polyacrylonitrile.
4. ultrafiltration membrance filter cylinder according to claim 1, is characterized in that: on described cylindrical shell (100), be also provided with overflow pipe (103) and the aeration tube (104) for balancing described cylindrical shell (100) air pressure inside.
5. the ultrafiltration membrance filter cylinder according to claim 1 or 2 or 3, is characterized in that: described collecting pipe (200) is communicated with described outlet pipe (102) by pipe joint (500).
6. ultrafiltration membrance filter cylinder according to claim 5, it is characterized in that: between described collecting pipe (200) and described pipe joint (500), be also provided with tube connector terminal (400), described outlet pipe (102) is fixed on described tube connector terminal (400), is provided with pad (600) and locking nut (700) between described pipe joint (500) and described connecting rod terminal (400).
7. ultrafiltration membrane filter device, comprise a support body (4), described support body (4) is provided with water inlet manifold (2) and outfall sewer (1), it is characterized in that: on described support body (4), be provided with the ultrafiltration membrance filter cylinder described in multiple claim 1-6, the water inlet pipe (101) of described ultrafiltration membrance filter cylinder is communicated with described water inlet manifold (2), and the outlet pipe (102) of described ultrafiltration membrance filter cylinder is communicated with described outfall sewer (1).
8. ultrafiltration membrane filter device according to claim 7, is characterized in that: on described support body (4), be also provided with aeration house steward (3) and return main (13).
9. ultrafiltration membrane filter device according to claim 8, is characterized in that: described return main (13) is communicated with described water inlet manifold (2).
10. ultrafiltration membrane filter device according to claim 7, is characterized in that: on described support body (4), be also provided with multiple location endless belt (12) for fixing described ultrafiltration membrance filter cylinder.
11. ultrafiltration membrance filter systems, comprise cesspool (31), sewage efferent duct (41), water purifying tank (71), water purification efferent duct (51) and water pump (91), described sewage efferent duct (41) is communicated with described cesspool (31), described water purification efferent duct (41) is communicated with described water purifying tank (71), it is characterized in that: be also provided with the ultrafiltration membrane filter device described in claim 7-10, the water inlet manifold (2) of described ultrafiltration membrane filter device is communicated with described sewage efferent duct (41), the outfall sewer (1) of described ultrafiltration membrane filter device is communicated with described water purification efferent duct (51).
12. ultrafiltration membrance filter systems according to claim 11, is characterized in that: the sewage pool (81) being also provided with the filtrate for collecting described ultrafiltration membrane filter device.
13. ultrafiltration membrance filter systems according to claim 11, is characterized in that: be also provided with air blast (82).
14. ultrafiltration membrance filter systems according to claim 11, is characterized in that: be also provided with at described water purification efferent duct (51) place and be communicated with it and can phoresy system (83) to its inner chemistry that add chemical substance.
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| CN201410623917.7A CN105561791A (en) | 2014-11-07 | 2014-11-07 | Ultrafiltration membrane filter cartridge, ultrafiltration membrane filter device and ultrafiltration membrane filter system |
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| CN201410623917.7A CN105561791A (en) | 2014-11-07 | 2014-11-07 | Ultrafiltration membrane filter cartridge, ultrafiltration membrane filter device and ultrafiltration membrane filter system |
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