CN201239611Y - Tube support for barrier separation unit - Google Patents
Tube support for barrier separation unit Download PDFInfo
- Publication number
- CN201239611Y CN201239611Y CNU2008200015308U CN200820001530U CN201239611Y CN 201239611 Y CN201239611 Y CN 201239611Y CN U2008200015308 U CNU2008200015308 U CN U2008200015308U CN 200820001530 U CN200820001530 U CN 200820001530U CN 201239611 Y CN201239611 Y CN 201239611Y
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- separation unit
- peristome
- film separation
- base
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- 238000000926 separation method Methods 0.000 title claims abstract description 98
- 230000004888 barrier function Effects 0.000 title 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012510 hollow fiber Substances 0.000 claims description 69
- 239000012528 membrane Substances 0.000 abstract description 57
- 239000000835 fiber Substances 0.000 abstract description 47
- 239000007788 liquid Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 3
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 71
- 230000000712 assembly Effects 0.000 description 12
- 238000000429 assembly Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- 238000005273 aeration Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 238000007667 floating Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000005276 aerator Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
A pipe saddle for a membrane separation unit is equipped with a plurality of hollow-fibre membrane components corresponding to various deferent grooves with different groove depths, groove diameters, groove shapes (a cylinder shape or a square cylinder shape) and the like. An air disperse pipe kept in a fixed position conducts uniform upstream to the fibrous bundles of the membrane components and can regulate and process the liquid flowing in the grooves. The pipe saddle for a membrane separation unit comprises cylindrical pipe saddle components; and the upper ends thereof are connected with the lower ends of the hollow-fibre membrane components, and a base board fixed to the pedestal part of a membrane separation unit. The base board is fixed at the lower end part of the cylindrical main body; and the upper ends of the pipe saddle components are opened. The pipe saddle is characterized in that a plurality of opening parts are arranged at the side surface part of the pipe saddle for a membrane separation unit; and the sizes of the opening parts for the air disperse pipe to pass through is set to ensure that the air disperse pipe can conduct specified amount movement in the up-down direction in the opening parts.
Description
Technical field
The utility model relates to a kind of film separation unit with a plurality of hollow fiber film assemblies, relate in particular to a kind of film separation unit base, the open end of the hollow-fibre membrane of these a plurality of hollow fiber film assemblies from be immersed in treatment trough liquid attracts the liquid in this treatment trough of isolated by filtration.
Background technology
In the past, proposition has following a kind of impregnated membranes device, film separation unit is impregnated in the liquid of treatment trough, thereby obtain through the filtration treatment water behind the film, and be provided with the diffusing device of air of thick bubble and the diffusing device of air (for example, with reference to patent documentation 1) of thin bubble below the film separation unit in treatment trough.In addition, also propose a kind of diffuser to be fixed on the hollow fiber film assembly and incorporate with it impregnated membranes device (for example, with reference to patent documentation 2).
Patent documentation 1: Japanese kokai publication hei 07-185270 communique
Patent documentation 2: Japanese kokai publication hei 07-136470 communique
But, when the film separation unit that will have a plurality of hollow fiber film assemblies is arranged on original groove, need to cooperate the structure of each original groove, therefore need make the film separation unit various grooves different corresponding with groove depth, groove footpath, groove shape (cylindrical shape, square tube shape) etc.
In addition; for example when decomposing food wastewater and sewage mud; bacterium is survived in treatment trough; therefore need be with a large amount of air aeration in treatment trough; at this moment; when the air aeration that is used for bacterium directly acts on hollow-fibre membrane, may make this hollow-fibre membrane breakage, therefore protect this hollow-fibre membrane to make it avoid the influence of air aeration.On the other hand, in the time of will carrying out isolated by filtration through the filtration treatment water behind the film when the liquid in the open end side attraction treatment trough of hollow-fibre membrane, the outside at this hollow-fibre membrane is attached with suspended material, thereby its strainability is reduced, therefore need the suspended material attached to this hollow-fibre membrane outside is removed in the outside of the diffusing gas of an amount of gas to this hollow-fibre membrane.
The utility model content
The utility model is made for addressing the above problem, take the lead in providing a kind of film separation unit base, hollow fiber film assembly combination with film separation unit applies uniform upwelling, and can adjust the liquid flow in the treatment trough in the fibre bundle to each this membrane module.
Film separation unit of the present utility model with the 1st technical scheme of base is, this film separation unit comprises the cylindric base member of the lower end tabling of upper end and hollow fiber film assembly with base, base plate with the pedestal portion that is used for fixing film separation unit, the said base plate is fixed in the bottom of cylindrical body, the upper end of above-mentioned base member is uncovered, it is characterized in that, this film separation unit is provided with a plurality of peristomes with the side surface part of base, and the peristome size that will be in above-mentioned peristome pass for diffuser is set for and made this diffuser carry out ormal weight along the vertical direction in this peristome to move.
Film separation unit of the present utility model with the 2nd technical scheme of base is, in above-mentioned the 1st technical scheme, it is characterized in that, the afore mentioned rules amount is less than the diameter of equivalent circle of the diffusing gas of being located at above-mentioned hollow fiber film assembly harness portion with peristome.
Film separation unit of the present utility model with the 3rd technical scheme of base is, in the above-mentioned the 1st or 2 technical schemes, it is characterized in that to deduct area behind the sectional area that diffuser passes part be above-mentioned diffusing gas with more than 0.5 times and less than 4.0 times of the peristome gross area from the above-mentioned peristome gross area that is formed at above-mentioned side surface part.
Film separation unit of the present utility model is in the above-mentioned the 1st or 2 technical schemes, to it is characterized in that the said base plate is a plurality of, and the said base plate becomes the part of above-mentioned peristome each other with the 4th technical scheme of base.
Film separation unit of the present utility model with the 5th technical scheme of base is, in the above-mentioned the 1st～3 in each technical scheme, it is characterized in that the above-mentioned peristome that is formed at above-mentioned side surface part is at least a shape in reverse U shape, triangle, quadrangle, the pentagon.
Film separation unit of the present utility model with the 6th technical scheme of base is, in each technical scheme, it is characterized in that in the above-mentioned the 1st～3, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
Film separation unit of the present utility model with the 7th technical scheme of base is, in above-mentioned the 4th technical scheme, it is characterized in that, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
Film separation unit of the present utility model with the 8th technical scheme of base is, in above-mentioned the 5th technical scheme, it is characterized in that, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
Film separation unit of the present utility model with the 9th technical scheme of base is, in the above-mentioned the 6th～8 in each technical scheme, it is characterized in that, above-mentioned aperture area adjustment component is adjusted member by aperture area and is constituted, this aperture area is adjusted member can embed the inside of above-mentioned film separation unit with base rotationally around central axis, and the lower end of this aperture area adjustment member is supported on the upper surface of this said base plate, it is ring-type that this aperture area is adjusted member, be provided with the opening of the above-mentioned peristome contraposition that runs through with the above-mentioned diffuser of confession in its lower end, this opening is constituted as aperture area adjustment member can be rotated around central axis, can suitably open and close the above-mentioned peristome except the above-mentioned peristome that above-mentioned diffuser ran through in above-mentioned a plurality of peristome by this rotation, and the above-below direction that can not hinder above-mentioned diffuser moves.
Film separation unit of the present utility model with the 10th technical scheme of base is, in the above-mentioned the 6th～8 in each technical scheme, it is characterized in that, in the above-mentioned aperture area adjustment component, be provided with the open and close member that can slide along the side surface part inner surface of above-mentioned base member, this open and close member seals this peristome and adjusts aperture area at the corresponding location-appropriate of side surface part peristome with above-mentioned base member.
Film separation unit of the present utility model with the 11st technical scheme of base is, in above-mentioned the 10th technical scheme, it is characterized in that, in above-mentioned aperture area adjustment component, side surface part inner surface side at above-mentioned base member is provided with dovetail groove shape guide rail, can be supported on this dovetail groove shape guide rail with the corresponding above-mentioned open and close member of the side surface part curvature of above-mentioned base member with being free to slide.
Film separation unit of the present utility model with the 12nd technical scheme of base is, in the above-mentioned the 6th～8 in each technical scheme, it is characterized in that, it is the open and close member that the center can be rotated along the side surface part inner surface of above-mentioned base member that above-mentioned aperture area adjustment component is provided with the shaft component, and this open and close member seals this peristome and adjusts aperture area at the corresponding location-appropriate of above-mentioned peristome with above-mentioned base member side face.
Film separation unit of the present utility model with the 13rd technical scheme of base is, in above-mentioned the 12nd technical scheme, it is characterized in that, link by pole and above-mentioned shaft component with the above-mentioned open and close member of the above-mentioned peristome equal number that is formed at above-mentioned side surface part, above-mentioned open and close member has the corresponding curvature of side surface part curvature with above-mentioned base member.
Film separation unit of the present utility model with the 14th technical scheme of base is, in the above-mentioned the 1st or 2 technical schemes, it is characterized in that, the above-mentioned peristome that is formed at above-mentioned side surface part at the circumferencial direction of above-mentioned base member with equidistant configuration.
Film separation unit of the present utility model is in above-mentioned the 14th technical scheme, to it is characterized in that above-mentioned spacing is 45 °, 60 ° or 90 ° with the 15th technical scheme of base.
Film separation unit of the present utility model is in the above-mentioned the 1st or 2 technical schemes, to it is characterized in that the configuration mode with above-mentioned diffuser on above-mentioned base component circumference direction disposes above-mentioned peristome accordingly with the 16th technical scheme of base.
Film separation unit of the present utility model with the 17th technical scheme of base is, in the above-mentioned the 1st or 2 technical schemes, it is characterized in that also having the lower end that is used to be located in above-mentioned hollow fiber film assembly and film separation unit height adjusting ring with the ring-type between the upper end of base.
Adopt 1st technical scheme of film separation unit of the present utility model with base, have upper end and the cylindric base member of hollow fiber film assembly lower end tabling and be used for fixing the base plate of the pedestal portion of film separation unit, the said base plate is fixed in the bottom of cylindrical body, the upper end of above-mentioned base member is uncovered, this film separation unit is provided with a plurality of peristomes with the side surface part of base, and the peristome size that will be in above-mentioned peristome pass for diffuser is set for and made this diffuser carry out ormal weight along the vertical direction in this peristome to move.
Therefore, in the time of on the base plate that with base the hollow fiber film assembly of film separation unit is installed to film separation unit by film separation unit of the present utility model, along with gas is discharged and rising from diffuser, liquid in treatment trough, be to produce pulsation stream in the treatment fluid, because treatment fluid is come in and gone out in the bubble chamber of base inside from the gap around base peristome and the diffuser, therefore, make sediment in the treatment fluid, be that so-called mud is difficult to be detained, can not be piled up in the bubble chamber.Particularly since around the diffuser, gapped between diffuser and the peristome, therefore be difficult on diffuser, pile up mud.
In addition, because the deadweight that base member and harness portion connect and can bear a plurality of hollow fiber film assemblies, therefore, can make these a plurality of hollow fiber film assemblies independent, harness portion is nested under the situation on this base member constituting, can prevents that these a plurality of hollow-fibre membranes from laterally moving in the running.
Adopt 2nd technical scheme of film separation unit of the present utility model with base, the afore mentioned rules amount is less than the diameter of equivalent circle of the diffusing gas of being located at above-mentioned hollow fiber film assembly harness portion with peristome, therefore, when loosing gas, diffuser floats and connects with the upper end of peristome, at this moment, from the diffuser lower surface to the base base plate apart from δ less than the diameter of equivalent circle of the diffusing gas of being located at above-mentioned hollow fiber film assembly harness portion with peristome.Therefore, because near the flow velocity the gas outlet that looses is very fast, therefore can prevent to adhere to mud.
And, utilize its current the growth of deposit can be stoped below δ, thereby it is higher to prevent to stop up the loose effect of gas outlet.
Adopt 3rd technical scheme of film separation unit of the present utility model with base, because to deduct area behind the sectional area that diffuser passes part be above-mentioned diffusing gas with more than 0.5 times and less than 4.0 times of the peristome gross area from the above-mentioned peristome gross area that is formed at above-mentioned side surface part, the diffusing gas that therefore deducts area S2 behind the sectional area that diffuser passes part and above-mentioned record in the peristome gross area that is formed at side surface part is with following relation is arranged between the peristome gross area S1:
0.5×S1≤S2<4.0×S1
If S2 is more than 0.5 times of S1, because less at the inflow resistance of the treatment fluid of the lateral opening portion of base member, the therefore corresponding stream of following of gas flow that can obtain and shed, and can utilize stable upwelling to filter running.During less than 4.0 times of S1 situation, the inflow velocity of the treatment fluid of the side surface part peristome of base member is higher at S2, thereby mud can not be deposited in base inside.Therefore, can and can not utilize stable upwelling to filter running owing to the diffusing air to open oral area of piling up of mud sealing yet.
Adopt 4th technical scheme of film separation unit of the present utility model with base, because the said base plate is a plurality of, and the said base plate becomes the part of above-mentioned peristome each other, therefore, can reduce the above-below direction size of film separation unit with base, and, can prevent from the base plate of film separation unit, to adhere to mud, can increase the bubble chamber of base inside.
Adopt 5th technical scheme of film separation unit of the present utility model with base, the lateral opening portion of base member is any one simple shape in reverse U shape, triangle, quadrangle, the pentagon, thereby can stably keep diffuser, the gap and the constraint diffuser of appropriateness can be provided around diffuser.In addition, by being formed at around the diffuser and the gap of bottom can prevent to adhere to mud to diffuser.
Adopt film separation unit of the present utility model the 6th～8 technical scheme,, can adjust the liquid flow of the upwelling in the treatment trough by the parts that the aperture area of the peristome that is formed at above-mentioned base member side face is adjusted are set with base.Operating condition is optimization further.And, can set the upwelling that meets each hollow fiber film assembly, effective when particularly new product only being replaced by with 1 hollow fiber film assembly in on-stream way.
Adopt 9th technical scheme of film separation unit of the present utility model, can constitute the aperture area adjustment component with simple structure, thereby it is also simple to adjust operation with base.
Adopt film separation unit of the present utility model the 10th, 11 technical schemes with base, can be with simple structure formation aperture area adjustment component, and, can individually adjust the aperture area of peristome respectively.
Adopt 12nd, 13 technical schemes of film separation unit of the present utility model, can constitute the aperture area adjustment component with simple structure, thereby it is also simple to adjust operation with base.
Adopt 14th, 15 technical schemes of film separation unit of the present utility model with base, with hollow fiber film assembly when equidistantly being disposed in the film separation unit, be provided with along the circumferential spacing of this base member is the peristome of 8 directions of 45 °, or to be provided with along the circumferential spacing of this base be the peristome of 6 directions of 60 °, or to be provided with along the circumferential spacing of this base be the peristome of 4 directions of 90 °, thereby shape that can corresponding diffuser is suitably used peristome.
Promptly, suitably use the lateral opening portion of a plurality of base members accordingly with different shapes such as the line part of the diffuser of branched form (branch along separate routes shape) and loop shape different shapes such as (tubular shape), L word portion, T word portion, hip crosses, thereby can fetter various diffusers and install easily.Hollow fiber film assembly can easily carry out quadrangle configuration, equilateral triangle configuration.
Adopt 16th technical scheme of film separation unit of the present utility model with base, can be corresponding with the configuration mode of diffuser.
Adopt 17th technical scheme of film separation unit of the present utility model,, can be applicable to the hollow fiber film assembly of hollow-fibre membrane with all lengths by the height of suitable selection height adjusting ring with base.
Description of drawings
Fig. 1 (a)～(c) is vertical view, front view and the side view of expression film separation unit structure of the present utility model.
Fig. 2 is the figure of the matched tube structure that catchments of the hollow fiber film assembly of expression film separation unit of the present utility model.
Fig. 3 (a)～(d) is the local specification figure of an example of matched tube structure of the diffuser of expression film separation unit of the present utility model.
Fig. 4 (a)～(f) is the local specification figure of an example of matched tube structure of the diffuser of expression film separation unit of the present utility model.
Fig. 5 (a) is the perspective illustration of expression base structure, and Fig. 5 (b) is the three-face view of expression base structure.
Fig. 6 (a)～(d) is respectively the figure of an example of the different shape of the expression peristome of being located at the base member.
Fig. 7 (a)～(b) is the figure that the action of the diffuser that can be connected through flexible pipe is described with floating.
Fig. 8 (a)～(b) is the figure that the action of the diffuser that can be connected through flexible pipe is described with floating.
The figure of the structure of Fig. 9 (a)～(c) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.
The figure of the structure of Figure 10 (a)～(b) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.
The figure of the structure of Figure 11 (a)～(c) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.
Figure 12 is the concept map of the gas flow direction of discharging from the gas outlet that looses when representing not use base member of the present invention.
Gap delta between gas discharge outlet among Figure 13 (a) expression the present invention and the base plate is the concept map of expression from the gas flow direction of the gas outlet discharge of loosing.
Figure 13 (b) is the vibrative concept map of membrane module that expression base plate, base member and butt owing to the gas of discharging from the gas outlet that looses.
The specific embodiment
Specify an embodiment of film separation unit of the present utility model with reference to the accompanying drawings.
Fig. 1 (a)～(c) is vertical view, front view and the side view of expression film separation unit structure of the present utility model.Fig. 2 is the figure of the matched tube structure that catchments of the hollow fiber film assembly of expression film separation unit of the present utility model.Fig. 3 (a)～(d) is the local specification figure of an example of matched tube structure of the diffuser of expression film separation unit of the present utility model.Fig. 4 (a)～(f) is the local specification figure of an example of matched tube structure of the diffuser of expression film separation unit of the present utility model.Fig. 5 (a) is the perspective illustration of expression base structure, and Fig. 5 (b) is the three-face view of expression base structure.Fig. 6 (a)～(d) is respectively the figure of an example of the different shape of the expression peristome of being located at the base member.Fig. 7 (a)～(b) is the figure that the action of the diffuser that can be connected through flexible pipe is described with floating.Fig. 8 (a)～(b) is the figure that the action of the diffuser that can be connected through flexible pipe is described with floating.The figure of the structure of Fig. 9 (a)～(c) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.The figure of the structure of Figure 10 (a)～(b) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.The figure of the structure of Figure 11 (a)～(c) various aperture area adjustment component that to be expression adjust the aperture area of the peristome that is formed at the base member.Figure 12 is the concept map of the gas flow direction of discharging from the gas outlet that looses when representing not use base member of the present invention.Gap delta between gas discharge outlet among Figure 13 (a) expression the present invention and the base plate is the concept map of expression from the gas flow direction of the gas outlet discharge of loosing.Figure 13 (b) is the vibrative concept map of membrane module that expression base plate, base member and butt owing to the gas of discharging from the gas outlet that looses.
In Fig. 1 and Fig. 2, Reference numeral 1 is a film separation unit, have a plurality of hollow fiber film assemblies 2, this hollow fiber film assembly 2 is impregnated into hollow-fibre membrane 5 in the liquid of treatment trough 3, and attract from the open end that is disposed at hollow-fibre membrane 5 tops, thereby the liquid filterings in this treatment trough 3 are separated, and an end that is disposed at top of this hollow-fibre membrane 5 is by uncovered, and the other end that is disposed at the bottom is closed.
At hollow fiber film assembly 2 each other from crossing when near, might bump against each other by adjacent hollow-fibre membrane 5, hollow-fibre membrane 5 rubs mutually, and, also may suppress the amplitude of fluctuation of hollow-fibre membrane 5 and diminish the effect that mud is adhered in inhibition, therefore, hollow fiber film assembly 2 each other more than 1.2 of external diameter that are preferably set at interval this hollow fiber film assembly 2 are set, be more preferably more than 1.5 times about.
Applicable deadweight for example is about 15kg～30kg, the length of length direction is the hollow fiber film assembly 2 about 1m～2m.
For example under situation with activated sludge decomposing food waste water, join activated sludge in the treatment trough 3 of present embodiment as treatment fluid, be provided with not shown aerator (aerator) in treatment trough, this aerator is with a large amount of air aeration in treatment trough 3 for bacterium is survived in treatment trough.
End, the closed side 5a that is disposed at the bottom of a plurality of hollow-fibre membranes 5 is fixed in the harness cylindraceous portion 6, is provided with the gas that looses with peristome 7 at the assigned position of avoiding being fixed with this 5a position, end, closed side of harness portion 6.As Fig. 2 and shown in Figure 7, be provided with the 6a of hoop portion in the bottom of harness portion 6, inside at the 6a of this hoop portion embeds base 11 cylindraceous, and this base 11 connects with harness portion 6 and the deadweight of bearing hollow fiber film assembly 2, and forms bubble chamber 12 below harness portion 6.
As Fig. 3～Fig. 5 and shown in Figure 7, on the side surface part 11a of base 11, along this base 11 circumferentially for example spacing be the peristome 11a1 that 4 directions of 90 ° are formed with the reverse U shape shape, this peristome 11a1 is positioned at the below of bubble chamber 12, pass for diffuser 10, and profile is greater than the profile of this diffuser 10.
In addition, can be provided with at the side surface part 11a of base member 11 along the circumferential spacing of this base member 11 is the peristome 11a1 of 8 directions of 45 °, and also can be provided with along the circumferential spacing of this base member 11 is the peristome 11a1 of 6 directions of 60 °.
In base 11, the base plate 11b that is connected with side surface part 11a releasably is fixed in the pedestal portion 9 by bolt 4a and nut 4b across base plate 23.
Be provided with base plate 23 in the bottom surface of base 11.
Be provided with diffusing gas outlet 10a at the lower surface of diffuser 10 towards base plate 23.
Between the lower surface of diffuser 10 and the base plate 23 apart from δ less than the equivalent diameter of gas of loosing with a hole of peristome 7.In addition, so-called diameter of equivalent circle is meant the diameter of a circle that equates with aperture area.As shown in Figure 5, the base plate 11b of present embodiment is in the position of the peristome 11a1 that is located at side surface part 11a that avoids base 11, disposed 4 square base plate 11b at 4 jiaos of places.
In addition, the shape of the peristome 11a1 that forms at the side surface part 11a of base 11 not only is defined in the reverse U shape shape, for example, shape, the quadrangle shown in Fig. 6 (b), the pentagon (house shape) that quadrangle and triangle combination are formed shown in Fig. 6 (c), the different shapes such as triangle shown in Fig. 6 (d) of line part of reverse U shape shape both sides that can constitute prolongation shown in Fig. 6 (a).The height on the top that connects with diffuser 10 by suitable setting peristome 11a1, thus can suitably determine the diffusing gas outlet 10a of diffuser 10 and the spacing distance between the harness portion 6.
As shown in Figure 8, diffuser 10 can be connected through flexible pipe 24 with floating, when loosing gas, this diffuser 10 floats and connects with the upper end of the peristome 11a1 that forms at the side surface part 11a of base 11, shown in Fig. 7 (b), below this diffuser 10, form the gap 25 that the part by this peristome 11a1 constitutes.
As shown in Figure 8, lower surface at diffuser 10 is formed with the gas outlet 10a that looses, with base plate 23 that base member 11 bottom surface portions butts on the corresponding position of this diffusing gas outlet 10a on form plug member 26, this plug member 26 has the corresponding profile of opening diameter with the gas outlet 10a that should loose.Shown in Fig. 8 (a), when diffuser 10 descended, plug member 26 was inserted among the diffusing gas outlet 10a of this diffuser 10 and the sealing gas outlet 10a that looses.
As Fig. 9～shown in Figure 11, be provided with the aperture area adjustment component in the inside of base 11, this aperture area adjustment component is used to be adjusted at the aperture area of the peristome 11a1 that the side surface part 11a of this base 11 forms.
Aperture area adjustment component as shown in Figure 9, the aperture area that embeds ring-type in the inside of the side surface part 11a of base 11 is adjusted member 28, make and be formed at the peristome 11a1 contraposition that aperture area is adjusted peristome 28a with the base 11 side surface part 11a that insert for diffuser 10 of member 28, and, make closure 28b that aperture area adjusts member 28 and will come the aperture area of suitable closed peristome 11a1, thereby can be adjusted at the aperture area of the peristome 11a1 that the side surface part 11a of base 11 forms the peristome 11a1 contraposition that aperture area is adjusted.
Aperture area adjustment component as shown in figure 10 is provided with 4 slidably open and close members 29 in the corresponding position of peristome 11a1 with the side surface part 11a of base 11, and this open and close member 29 is sealing this peristome 11a1 and can adjust aperture area suitably.
Inner face side at the side surface part 11a of base 11 is provided with dovetail groove shape guide rail 30, and open and close member 29 has the corresponding curvature of curvature with the side surface part 11a of base 11, and can be supported on this dovetail groove shape guide rail 30 with being free to slide.By the aperture area of slide opening and closing member 29 suitable closed peristome 11a1, thereby can be adjusted at the aperture area of the peristome 11a1 that the side surface part 11a of base 11 forms.
In Figure 10, Reference numeral 31 is height adjusting rings of the ring-type of cross section L font, rising portions 31a embeds the inboard of the hoop 6a of portion and connects with the bottom of harness portion 6 and the upper end of base 11 side surface part 11a, and the 31b of portion that hangs down embeds the inboard of side surface part 11a.By the height of suitable selection height adjusting ring 31, can be applicable to the hollow fiber film assembly 2 of hollow-fibre membrane 5 with all lengths.
Aperture area adjustment component as shown in figure 11, be provided with in the corresponding position of peristome 11a1 with base 11 side surface part 11a and can suitably seal the open and close member 29 that this peristome 11a1 adjusts aperture area, it is the center rotation that this open and close member 29 is configured to shaft component 32.The a pair of open and close member 29 that has with the corresponding curvature of curvature of base 11 side surface part 11a links through pole 33 and shaft component 32, is that the center suitably rotates by making this open and close member 29 with this shaft component 32, the suitable aperture area of closed peristome 11a1, thus can be adjusted at the aperture area of the peristome 11a1 that the side surface part 11a of base 11 forms.
Utilize above-mentioned aperture area adjustment component to adjust the aperture area of the peristome 11a1 of base 11 side surface part 11a, thereby can adjust the inflow velocity of treatment fluid, the result can not stop up the gas peristome 7 that looses.
Can make such structure: make from the gross area of the peristome 11a1 that is formed at base member 11 side surface part 11a and deduct area S2 behind the sectional area that diffuser 10 passes part, be to loose gas, on this base member 11 side surface part 11a, have the peristome 11a1 of the passed diffuser 10 more than 2 places with more than 0.5 times and of peristome 7 gross area S1 less than 4.0 times.
As shown in Figure 7, the diffusing gas outlet 10a that is formed at diffuser 10 lower surface portion is directed to the below of the bubble chamber 12 of base 11, by the gas that sheds from this diffuser 10, bubble is stranded in the bubble chamber 12, diffusing gas through being located at harness portion 6 arrives the outer peripheral face of a plurality of hollow-fibre membranes 5 with the diffusing equably gas of peristome 7, make this hollow-fibre membrane 5 appropriateness swings thus, just can peel suspended materials such as mud off, can keep strainability attached to these hollow-fibre membrane 5 outer peripheral faces.
In addition, as shown in Figures 3 and 4, also can midway being provided at each diffuser 10 with the even connecting leg nodal pattern throttle orifice 27 along separate routes of gas.Connecting leg nodal pattern throttle orifice 27 has the structure that sandwiches restricting orifice in coupling joint, applies bigger pressure loss by the vertical pipe arrangement to this connecting leg nodal pattern throttle orifice 27, and the gas that diffuser 10 is shed shunts to each hollow fiber film assembly 2 equably.Connecting leg nodal pattern throttle orifice 27 is compared with the throttle orifice of flange-type, can realize pipe arrangement along separate routes with compact structure.
For example, at the diffuser 10 that constitutes by single tube equably under the situation of distribution of gas, by connecting leg nodal pattern throttle orifice 27 is set, can be equably gas and make cramped construction along separate routes.In addition, make diffuser 10 equably under the situation of distribution of gas with a plurality of diffusing gas outlet 10a, have as shown in Figure 3 ramiform diffuser 10 and the structure of loop type diffuser 10 as shown in Figure 4.In these cases, even connecting leg nodal pattern throttle orifice 27 is not set, also can make diffuser 10 distribution of gas equably.Base 11 constitutes and ramiform diffuser 10, loop type diffuser 10 easily can be fixed in the structure on the stand 8.
Because the deadweight that base 11 and harness portion 6 connect and can bear a plurality of hollow fiber film assemblies 2, therefore, can make this hollow fiber film assembly 2 independent, base 11 is embedded in the 6a of hoop portion of harness portion 6, can prevent this hollow fiber film assembly 2 horizontal moving in the running by constituting.
Be provided with the not shown next door that constitutes by panel in the side of stand 8 periphery.
Utilize the side of this next door coverlay separative element 1, by the next door that covers this side is set, thereby can be manufactured on upwelling and sinking in the whole film separation unit.
In addition; can utilize the next door with hollow-fibre membrane 5 with owing to spray in groove aeration that bacterium that a large amount of gases cause uses, the groove mobile isolated from aerator; and can suppress the interior mobile hollow-fibre membrane 5 that directly acts on of groove aeration, groove that bacterium is used; therefore do not worry that it makes this hollow-fibre membrane 5 breakages, and can protect this hollow-fibre membrane 5 to avoid the influence of flowing in groove aeration and the groove.
And, also can replace being located at the next door of stand 8 periphery sidepieces, and the urceolus of the periphery sidepiece that covers each hollow fiber film assembly 2 is set.Under the situation that each this hollow fiber film assembly 2 is provided with the urceolus that covers hollow fiber film assembly 2, the bubble indiffusion ground that imports and come out to hollow fiber film assembly 2 outsides from hollow fiber film assembly 2 bottoms the way of rising is rested near this hollow fiber film assembly 2, thereby increased the effect of the mud of peeling near the hollow-fibre membrane 5 of hollow fiber film assembly 2 peripheries off.Therefore,, also can suppress the diffusion of film aeration, can peel the mud of hollow-fibre membrane 5 outer surfaces off even utilize above-mentioned urceolus.
As shown in Figure 2, in the harness portion 15 that is disposed at hollow-fibre membrane 5 tops, be provided with the filtered fluid of the internal communication of each hollow-fibre membrane 5 and discharge with peristome 16, be located at the flange part 15a of harness portion 15 upper ends and the flange part 17a of open and close member 17 and link by clamping components 18, the periphery footpath of this open and close member 17 is corresponding with the periphery footpath of harness portion 15.
On the other hand, go out hose coupling 20 along separate routes from the catch box 19 of being located at stand 8 tops, this hose coupling 20 is connected with flexible hose 22 by the flexible pipe clamp.In addition, the other end of flexible hose 22 is connected with hose coupling by the flexible pipe clamp.The flange part of being located at this hose coupling bottom links by clamping components 18 with the flange part of being located at open and close member 17 upper ends.
And by attracting from catch box 19, the treatment fluids in the treatment trough 3 attracted in the hollow-fibre membrane 5 and filter, and the filtered fluid that circulates hollow-fibre membrane 5 in is pooled to catch box 19.
Under the situation that the total length of hollow-fibre membrane 5 does not wait, it is suitably flexible that the flexible hose 22 of being located at hollow fiber film assembly 2 tops is carried out corresponding to the total length of hollow-fibre membrane 5, thereby can absorb the difference in size of the total length of this hollow-fibre membrane 5.
In addition, when changing hollow fiber film assembly 2, break away from clamping components 18 and the harness portion 6 of hollow fiber film assembly 2 is broken away from from base 11, thereby can change hollow fiber film assembly 2 easily.
Because therefore the deadweight that the lower surface of base 11 and harness portion 6 connects and can bear hollow fiber film assembly 2, can make this hollow fiber film assembly 2 independent.Particularly when film separation unit 1 is inserted activated sludge tank, owing to the deadweight change weight that mud makes hollow fiber film assembly 2 is adhered on the surface of hollow-fibre membrane 5 gradually, therefore, with this hollow fiber film assembly 2 from the structure that hangs, the crossbeam that requirement is used for hanger bearing hollow fiber film assembly 2 has bigger intensity, therefore, there are the structure large-scaleization of stand 8, the problem that deadweight also becomes greatly, the overall structure maximization is such of film separation unit 1.By making a plurality of hollow fiber film assemblies 2 independent, the degree of laying across with the top of restriction hollow fiber film assembly 2 is supported to get final product but in the present embodiment,, therefore, the structure of stand 8 also can miniaturization, and the deadweight of film separation unit 1 also can diminish, so overall structure also can miniaturization.
In addition, the catch box 19 on hollow fiber film assembly 2 tops does not require intensity, therefore, can use the catch box 19 and the flexible hose 22 that are made of pipe arrangement, and this pipe arrangement is made of the joint class of plastic resin system.
In addition, by constituting the inside that base 11 is embedded in the 6a of hoop portion of harness portion 6, can prevent a plurality of hollow fiber film assemblies 2 horizontal moving in the running.
In addition, by utilizing base 11 below harness portion 6, to form bubble chamber 12, thereby be directed to bubble chamber 12 from the gas that diffuser 10 sheds, from the diffusing gas of the being located at harness portion 6 diffusing equably gas of peristome 7 each outer peripheral face to a plurality of hollow-fibre membranes 5, therefore these hollow-fibre membrane 5 appropriateness swings, just can peel suspended materials such as mud off, can keep the strainability of film separation unit 1 attached to these hollow-fibre membrane 5 outer peripheral faces.
In addition, base 11 constitutes with respect to pedestal portion 9 and harness portion 6 and can load and unload, but and constitute corresponding to the length of a plurality of hollow-fibre membranes 5 that are fixed in this harness portion 6 or the external diameter appropriate change of harness portion 6, thereby prepare and the length of a plurality of hollow-fibre membranes 5 that are fixed in harness portion 6 or the corresponding a plurality of different bases 11 of external diameter of harness portion 6, and this base 11 can be arranged to be installed in various harness portions 6 such as above-mentioned and the general pedestal portion 9, also can easily this base 11 be broken away from and change.
In addition, when the peristome 11a1 that forms at the side surface part 11a of base 11 forms at least a shape in reverse U shape shape, triangle, quadrangle, the pentagon, can keep diffuser 10 with simple dimensionally stable ground, can around this diffuser 10, provide appropriateness to fetter this diffuser 10 with gap.And utilization is formed at around the diffuser 10 and the gap 25 of below can prevent to adhere to mud to diffuser 10.Wherein, as the shape that can fetter diffuser 10 easily, the peristome of preferred especially inverted u-shaped.
In addition, be on 4 directions of 90 ° at peristome 11a1 that the side surface part 11a of base 11 forms along the spacing of circumferentially being located at of this base 11, thereby shape that can corresponding diffuser 10 is suitably used the peristome 11a1 at 4 positions.Promptly, with the peristome 11a1 at correspondingly suitably used 4 positions of different shape such as the line part of the diffuser 10 of branch shape shown in Figure 3 (branch is shape along separate routes) and loop shape (tubular shape) different shape of etc.ing shown in Figure 4, L word portion, T word portion, hip cross, thereby can fetter various diffusers 10 and easy installation.The shape that wherein particularly circumferential spacing is 90 ° is fairly simple, therefore preferred.
In addition, shown in Figure 13 (a), diffuser 10 can be connected through flexible pipe 24 with floating, when loosing gas, this diffuser 10 floats and connects with the upper end of the peristome 11a1 that forms at the side surface part 11a of base 11, fetters diffuser 10, and forms the gap 25 that the part by this peristome 11a1 constitutes below this diffuser 10, thereby utilize this gap 25 in treatment trough 3, to produce upwelling, can prevent that therefore the mud in the bubble chamber from piling up.Shown in Figure 13 (b), the vibration when gas is discharged is delivered to diffuser, and mud is difficult to be attached on the diffuser.
Shown in the concept map of Figure 12, when not using base member of the present invention, can not effectively utilize the gas of discharging sometimes from gas discharge outlet.
In addition, be provided with plug member 26 with the corresponding position of diffusing gas outlet 10a that is formed at diffuser 10 bottoms, when this diffuser 10 descends, plug member 26 is inserted into the diffusing gas outlet 10a of this diffuser 10, and the gas outlet 10a that looses is somebody's turn to do in sealing, stops up thereby the gas outlet 10a that looses can not be deposited in the suspended material of treatment trough 3 inner bottom parts.
In addition, by the aperture area adjustment component that the aperture area of the peristome 11a1 that forms at the side surface part 11a of this base 11 is adjusted is set, can adjust the upwelling in the treatment trough 3 and the liquid flow of sinking, can be adjusted at utilize the gas gas that looses carry out film Surface Physical when cleaning, follow around the gas gas that looses liquid and by the gas that looses with the upwelling of the liquid of peristome 7 with arrive the sinking of the liquid of liquid level.
Fine pore in polyvinylidene fluoride system is in the secondary filter film of 0.1 μ m, has used external diameter to be 25m as the effective length of 0.8mm, hollow-fibre membrane as 2000mm, membrane area as 1.4mm, internal diameter
2Hollow fiber film assembly.The diameter of the harness portion of hollow fiber film assembly is 150mm approximately, at the diffusing gas of this harness portion 6 with peristome 7 through hole that to be provided with 24 diameters be 11mm.
Hollow fiber film assembly 2 interval pitch to each other is set at 220mm, 4 stands of packing into, film separation unit 1 is made the size of high 3000mm, long 520mm, wide 460mm, bottom at this film separation unit 1, the cylindrical shape base member 11 that is inserted with the diffuser 10 of diameter 25mm and diameter 145mm, high 139mm is embedded into the inboard of the 6a of hoop portion, and the side surface part 11a of this base member is provided with the reverse U shape peristome 11a1 at 90 ° at circumferential interval.This film separation unit is impregnated into by the food wastewater of dark 8000mm handles in the treatment trough 3 that constitutes with activated sludge tank, the film aeration rate of diffuser 10 is at 5Nm
3/ Hr, 0.4m
3/ m
2Carry out real liquid running under the steady flow momentum filtercondition of/Hr.Do not use base plate 23, make the bottom opening of base member 11.Being that the mode of 100mm is fixed in this diffuser 10 on the stand 8 from diffuser 10 lower surfaces to the distance of gas of loosing with peristome 7.
Under the operating condition of membrane module unit, filtration in 9 minutes, contrary continuous filtration running of cleaning in 1 fen have been carried out.Filtration and the contrary flow that cleans are implemented with equivalent.Attracting the time of the suction pressure arrival-30Kpa of filter pump is 2 months.
Embodiment 2-4
Use the hollow fiber film assembly identical with embodiment 1, the position of the shape of base member 11 and diffuser 10 experimentizes under condition as shown in table 1 shown in following table 1.The result also is shown in table 1.
Comparative example 1
Use the hollow fiber film assembly identical, do not use base member 11, under condition as shown in table 1, experimentize with embodiment 1.The result also is shown in table 1.
If this method of employing, diffuser 10 is configured in and leaves bubble chamber 12, the above position of 10cm downwards, therefore because gas stream stirring suspension material, the air that stops diffuser 10 to be discharged flows and gathers in the bubble chamber, thereby the sufficient purge gas that applies uniform upwelling in the fibre bundle to hollow fiber film assembly 2 can not be provided.
Therefore, need clean hollow fiber film assembly 2 with medicine with a month ratio once.
(table 1)
| Sequence number | Condition | Comparative example 1 | |
|
|
Embodiment 4 | |
| 1 | Base plate | Do not have | Do not have | Have | Have | Have | |
| 2 | The distance of diffuser bottom and base plate | — | — | | 5mm | 10mm | |
| 3 | The relation of diffuser and peristome | — | Gap apart from top 20mm is arranged | The top butt | The top butt | The top butt | |
| 4 | The method to set up of diffuser | Be fixed in stand | Be fixed in base | Pass and be fixed in base | Pass and be fixed in base | Pass and be fixed in |
|
| 5 | The area of the peristome S2 of base and diffusing air to open oral area S1 is than (S2/S1) | — | 0.63 | 0.63 | 3.20 | 3.20 |
| S1: the gross area of the air to open oral area that looses | 22.8cm 2 | 22.8cm 2 | 22.8cm 2 | 22.8cm 2 | 22.8cm 2 | |
| S2: the peristome area of base | — | 14.4cm 2 | 14.4cm 2 | 73.0cm 2 | 73.0cm 2 | |
| Shape * the spacing of peristome | — | The word of falling U hole * 90 ° | The word of falling U hole * 90 ° | The word of falling U hole * 90 ° | The word of falling U hole * 90 ° | |
| Size * number | — | Wide 48mm * high 54mm * 1 | Wide 48mm * high 54mm * 1 | Wide 48mm * high 54mm * 4 | Wide 48mm * high 54mm * 4 | |
| The time of arrival- |
1 |
2 |
3 |
6 |
5 months |
Utilizability on the industry
As the example of applying flexibly of the present utility model, applicable to the film separation unit with a plurality of hollow fiber film assemblies, the open end of the hollow-fibre membrane of these a plurality of hollow fiber film assemblies from the liquid that is impregnated into treatment trough attracts the liquid in this treatment trough of isolated by filtration.
Claims (17)
1. film separation unit base, this film separation unit comprises the cylindric base member of upper end and the lower end tabling of hollow fiber film assembly with base and is used for fixing the base plate of the pedestal portion of film separation unit, the said base plate is fixed in the bottom of cylindrical body, the upper end of above-mentioned base member is uncovered, it is characterized in that, this film separation unit is provided with a plurality of peristomes with the side surface part of base, and the peristome size that will be in above-mentioned peristome pass for diffuser is set for and made this diffuser carry out ormal weight along the vertical direction in this peristome to move.
2. film separation unit base according to claim 1 is characterized in that, the afore mentioned rules amount is less than the diameter of equivalent circle of the diffusing gas of being located at above-mentioned hollow fiber film assembly harness portion with peristome.
3. film separation unit base according to claim 1 and 2, it is characterized in that to deduct area behind the sectional area that diffuser passes part be above-mentioned diffusing gas with more than 0.5 times and less than 4.0 times of the peristome gross area from the above-mentioned peristome gross area that is formed at above-mentioned side surface part.
4. film separation unit base according to claim 1 and 2 is characterized in that, the said base plate is a plurality of, and the said base plate becomes the part of above-mentioned peristome each other.
5. film separation unit base according to claim 1 and 2 is characterized in that, the above-mentioned peristome that is formed at above-mentioned side surface part is at least a shape in reverse U shape, triangle, quadrangle, the pentagon.
6. film separation unit base according to claim 1 and 2 is characterized in that, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
7. film separation unit base according to claim 4 is characterized in that, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
8. film separation unit base according to claim 5 is characterized in that, is provided with the aperture area adjustment component, is used to adjust the above-mentioned peristome aperture area that is formed at above-mentioned side surface part.
9. film separation unit base according to claim 6, it is characterized in that, above-mentioned aperture area adjustment component is adjusted member by aperture area and is constituted, this aperture area is adjusted member can embed the inside of above-mentioned film separation unit with base rotationally around central axis, and the lower end of this aperture area adjustment member is supported on the upper surface of this said base plate, it is ring-type that this aperture area is adjusted member, be provided with the opening of the above-mentioned peristome contraposition that runs through with the above-mentioned diffuser of confession in its lower end, this opening is constituted as aperture area adjustment member can be rotated around central axis, can suitably open and close the peristome except the peristome that above-mentioned diffuser ran through in above-mentioned a plurality of peristome by this rotation, and the above-below direction that can not hinder above-mentioned diffuser moves.
10. film separation unit base according to claim 6, it is characterized in that, in the above-mentioned aperture area adjustment component, be provided with the open and close member that can slide along the side surface part inner surface of above-mentioned base member, this open and close member seals this peristome and adjusts aperture area at the corresponding location-appropriate of side surface part peristome with above-mentioned base member.
11. film separation unit base according to claim 10, it is characterized in that, in above-mentioned aperture area adjustment component, side surface part inner surface side at above-mentioned base member is provided with dovetail groove shape guide rail, can be supported on this dovetail groove shape guide rail with the corresponding above-mentioned open and close member of the side surface part curvature of above-mentioned base member with being free to slide.
12. film separation unit base according to claim 6, it is characterized in that, it is the open and close member that the center can be rotated along the side surface part inner surface of above-mentioned base member that above-mentioned aperture area adjustment component is provided with the shaft component, and this open and close member seals this peristome and adjusts aperture area at the corresponding location-appropriate of side surface part peristome with above-mentioned base member.
13. film separation unit base according to claim 12, it is characterized in that, link by pole and above-mentioned shaft component with the above-mentioned open and close member of the above-mentioned peristome equal number that is formed at above-mentioned side surface part, above-mentioned open and close member has the corresponding curvature of side surface part curvature with above-mentioned base member.
14. film separation unit base according to claim 1 and 2 is characterized in that, the above-mentioned peristome that is formed at above-mentioned side surface part at the circumferencial direction of above-mentioned base member with equidistant configuration.
15. film separation unit base according to claim 14 is characterized in that, above-mentioned spacing is 45 °, 60 ° or 90 °.
16. film separation unit base according to claim 1 and 2 is characterized in that, the configuration mode with above-mentioned diffuser on above-mentioned base component circumference direction disposes above-mentioned peristome accordingly.
17. film separation unit base according to claim 1 and 2 is characterized in that, also has to be used to be located in the lower end of above-mentioned hollow fiber film assembly and the height adjusting ring that film separation unit is used the ring-type between the upper end of base.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007008854 | 2007-01-18 | ||
| JP2007008854 | 2007-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201239611Y true CN201239611Y (en) | 2009-05-20 |
Family
ID=39754122
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100024000A Active CN101301585B (en) | 2007-01-18 | 2008-01-17 | Film separation unit |
| CNU2008200015308U Expired - Fee Related CN201239611Y (en) | 2007-01-18 | 2008-01-17 | Tube support for barrier separation unit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100024000A Active CN101301585B (en) | 2007-01-18 | 2008-01-17 | Film separation unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JP2008194680A (en) |
| CN (2) | CN101301585B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5248979B2 (en) * | 2008-10-27 | 2013-07-31 | 株式会社ダイセル | Artificial dialysis wastewater treatment equipment |
| CN102325583A (en) * | 2009-01-14 | 2012-01-18 | Bl科技公司 | Immersed membrane cassette and method of operation |
| JP2010188278A (en) * | 2009-02-18 | 2010-09-02 | Kobelco Eco-Solutions Co Ltd | Gas diffuser, membrane module, membrane separator, gas diffusion method and membrane separation method |
| JP5275082B2 (en) * | 2009-02-23 | 2013-08-28 | 旭化成ケミカルズ株式会社 | Air diffuser and submerged membrane unit |
| JP5284207B2 (en) * | 2009-07-10 | 2013-09-11 | 旭化成ケミカルズ株式会社 | Immersion membrane unit |
| IN2012DN06586A (en) * | 2010-06-30 | 2015-10-23 | Sumitomo Elec Fine Polymer Inc | |
| JP5770990B2 (en) * | 2010-09-22 | 2015-08-26 | 旭化成ケミカルズ株式会社 | Air diffuser, diffuser unit and submerged membrane unit |
| CN102784561B (en) * | 2012-08-28 | 2014-08-13 | 北京碧水源膜科技有限公司 | Cluster detachable curtain type diaphragm capsule |
| DE102013218208B4 (en) | 2013-09-11 | 2015-06-03 | membion Gmbh | Membrane filter and method for filtering |
| CN107340349B (en) * | 2017-07-31 | 2023-11-21 | 湖南德米特仪器有限公司 | Solvent inversion device and method for inhibiting mobile phase growth mould |
| CN107930404A (en) * | 2017-12-25 | 2018-04-20 | 天津膜天膜科技股份有限公司 | A kind of immersion column-type film components |
| JP7359315B2 (en) * | 2021-08-20 | 2023-10-11 | 東レ株式会社 | Hollow fiber membrane module unit |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2713220B1 (en) * | 1993-11-30 | 1996-03-08 | Omnium Traitement Valorisa | Installation of water purification with submerged filter membranes. |
| JPH07275669A (en) * | 1994-04-13 | 1995-10-24 | Kubota Corp | Membrane separator |
| JPH09201518A (en) * | 1996-01-30 | 1997-08-05 | Inax Corp | Membrane unit having aeration tube |
| JPH09276867A (en) * | 1996-04-15 | 1997-10-28 | Kubota Corp | Immersion type membrane separation apparatus |
| JPH1066988A (en) * | 1996-08-28 | 1998-03-10 | Matsushita Electric Works Ltd | Air diffuser of septic tank |
| JPH10180287A (en) * | 1996-12-25 | 1998-07-07 | Sekisui Chem Co Ltd | Sewage treating diffuser |
| JPH10296252A (en) * | 1997-04-30 | 1998-11-10 | Kawasaki Steel Corp | Aeration tank immersed membrane separation activated sludge apparatus |
| JPH11128695A (en) * | 1997-10-31 | 1999-05-18 | Kanegafuchi Chem Ind Co Ltd | Hollow fiber membrane module and its use |
| JP2003024751A (en) * | 2001-07-11 | 2003-01-28 | Asahi Kasei Corp | Hollow fiber membrane cartridge |
-
2008
- 2008-01-11 JP JP2008004772A patent/JP2008194680A/en active Pending
- 2008-01-17 CN CN2008100024000A patent/CN101301585B/en active Active
- 2008-01-17 CN CNU2008200015308U patent/CN201239611Y/en not_active Expired - Fee Related
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2011
- 2011-04-05 JP JP2011083699A patent/JP5073076B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101301585A (en) | 2008-11-12 |
| CN101301585B (en) | 2012-09-05 |
| JP5073076B2 (en) | 2012-11-14 |
| JP2011131218A (en) | 2011-07-07 |
| JP2008194680A (en) | 2008-08-28 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20160117 |
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| EXPY | Termination of patent right or utility model |