CN107661696A - The manufacture method and manufacture device of hollow fiber film assembly - Google Patents
The manufacture method and manufacture device of hollow fiber film assembly Download PDFInfo
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- CN107661696A CN107661696A CN201710624999.0A CN201710624999A CN107661696A CN 107661696 A CN107661696 A CN 107661696A CN 201710624999 A CN201710624999 A CN 201710624999A CN 107661696 A CN107661696 A CN 107661696A
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- hollow fiber
- fiber membrane
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- film assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/42—Details of membrane preparation apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/50—Control of the membrane preparation process
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
It is an object of the invention to provide need not widen collector pipe opening portion can readily and stably to inject casting resin, nozzle contact, hollow fiber membrane sheet substance damage can be suppressed, be easy to carry out the manufacture method and manufacture device of the hollow fiber film assembly of mechanical automation injection operation.One kind possesses the manufacture method of the hollow fiber film assembly of hollow fiber membrane sheet substance (10) and collector pipe (12b), possesses cast process：The end of hollow fiber membrane sheet substance (10) is fixed with collector pipe (12b), pass through holding meanss (110), the sheet surfaces (10a) of hollow fiber membrane sheet substance (10) are allowed in the state of being tilted relative to vertical direction, injected from nozzle (50) by the casting resin P of liquid in collector pipe (12b), it is allowed to solidify, the resettlement section office in the collector pipe (12b) of hollow fiber membrane sheet substance (10) interfixes doughnut is intermembranous.
Description
Technical field
The present invention relates to the manufacture method of hollow fiber film assembly and manufacture device.
Background technology
As the hollow fiber film assembly for manufacturing sterilized water, drinking water, high purity water etc., it is known in more hollow fibres
Set on the end of the dimension film hollow fiber membrane sheet substance that pulls together slabbing collector pipe hollow fiber film assembly (patent document 1,
2)。
As the manufacture method of such hollow fiber film assembly, can illustrate such as following method.By doughnut diaphragm
The end of shape thing, the collector pipe formed with opening portion on one end is inserted, in the state of being erected in vertical direction, from the hollow fibre
The sheet surfaces side at the both ends of membrane-like thing is tieed up, injects the casting resin (potting syrup) of liquid into collector pipe respectively, is allowed to solid
Change, the end is fixed in collector pipe in liquid-tight manner.
But in the manufacture method, because the space between hollow fiber membrane sheet substance and collector pipe is narrower, casting resin
Injection operation it is difficult.In patent document 2, following methods are disclosed, a pair of sidewalls portion of the opening portion of collector pipe will be formed
Fore-end is widened laterally respectively, widens the space of hollow fiber membrane sheet substance and collector pipe, makees the injection of casting resin
Industry is easy.But in this method, the thickness increase of the collector pipe for the part that opening portion is widened.Therefore, by multiple hollow-fibre membranes
When component is set up in parallel along the thickness direction of collector pipe, their setting occupied area becomes big, it is difficult to space saving.In addition,
For example, prevent sludge etc. when film surface attachment carries out air cleaning processing, aeration be difficult to by hollow fiber film assembly it
Between, it is difficult to obtain sufficient effect.
In addition, in the manufacture method, casting resin is oliquely downward discharged from nozzle, be injected into doughnut membrane-like
In space between thing and collector pipe.Therefore, during injection in order to not allow casting resin to be leaked on the outside of collector pipe, it is necessary to discharge cast
The leading section of the nozzle of resin is thinner, close proximity to hollow fiber membrane sheet substance.Therefore, casting resin easily blocks in nozzle,
Discharge rate is also restricted, further, since the contact of spray nozzle front end, hollow fiber membrane sheet substance can be damaged.If in addition, by this
The injection operation of the casting resin of sample passes through mechanical automation, it is necessary to the accurately position of multijoint control nozzle, thus, in
The both sides of empty fiber membrane tablet are respectively necessary for the combination of multi-axis robot and sensor, and initial cost rises violently.
Background technology document
Patent document
Patent document 1：Japanese Patent Laid-Open 2000-288357 publications
Patent document 2：International Publication No. 2015/152401
The content of the invention
The invention problem to be solved
It is an object of the present invention to provide can readily and stably injecting casting resin, nozzle can be suppressed and contact and then damage
Hinder hollow fiber membrane sheet substance, be easy to carry out the manufacture method and system of the hollow fiber film assembly of mechanical automation injection operation
Make device.
The means to solve the problem
The present invention has following structure.
[1] a kind of manufacture method of hollow fiber film assembly, the hollow fiber film assembly possess hollow fiber membrane sheet substance
And collector pipe, the hollow fiber membrane sheet substance are that more hollow-fibre membranes are aligned to sheet and formed, the collector pipe is set
On the end of the hollow-fibre membrane length direction in the hollow fiber membrane sheet substance, in the doughnut membrane-like
The resettlement section office being contained in the collector pipe of thing, the solidfied material that each hollow-fibre membrane is cast resin interfix；Its
With cast process：The end is fixed with cast with fixture, the sheet surfaces of the hollow fiber membrane sheet substance are relative making
In the state of vertical direction inclination, via nozzle by the casting resin of liquid, from the slit-shaped openings of the cast fixture
Portion is injected in the cast fixture, is allowed to solidify, fixes each hollow-fibre membrane in the resettlement section office.
[2] manufacture method for the hollow fiber film assembly recorded according to [1], is pressed from both sides using collector pipe as the cast
Tool.
[3] manufacture method for the hollow fiber film assembly recorded according to [1], after the cast process, from the end
The cast is removed with fixture, the collector pipe is installed to the end.
[4] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[3], makes the sheet surfaces
It it is 10~60 ° with vertical direction angulation.
[5] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[4], while making the nozzle
Moved on the width of the hollow fiber membrane sheet substance, while the casting resin is injected into the cast fixture
It is interior.
[6] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[4], while making described hollow
Tunica fibrosa tablet moves in the direction of the width relative to the nozzle, is pressed from both sides while the casting resin is injected into the cast
In tool.
[7] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[6], the nozzle are located at institute
State the top of hollow fiber membrane sheet substance.
[8] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[7], makes the casting resin
Along the sheet surfaces, the cast is injected into being allowed to solid in fixture from the cast with the slit-shaped openings portion of fixture
Change.
[9] manufacture method for the hollow fiber film assembly recorded according to any one of [1]~[8], only to the hollow fibre
The sheet surfaces of side among a pair of sheet surfaces of dimension membrane-like thing supply the casting resin.
[10] manufacture method for the hollow fiber film assembly recorded according to [9], by the hollow fiber membrane sheet substance
The both side ends of the length direction of the hollow-fibre membrane are fixed with the cast with fixture respectively, make the doughnut diaphragm
Shape thing raises up bending on the length direction of the hollow-fibre membrane, on the end side of both sides, makes the lamella table
In the state of face tilts, with 2 nozzles, opened respectively from the cast being fixed in the both side ends with the slit-shaped of fixture
Oral area, the casting resin of liquid is injected into the cast fixture, is allowed to solidify.
[11] a kind of manufacture device of hollow fiber film assembly, the hollow fiber film assembly possess hollow fiber membrane sheet substance
And collector pipe, the hollow fiber membrane sheet substance are that more hollow-fibre membranes are aligned to sheet and formed, the collector pipe is set
On the end of the hollow-fibre membrane length direction in the hollow fiber membrane sheet substance, in the doughnut membrane-like
The resettlement section office being contained in the collector pipe of thing, the solidfied material that each hollow-fibre membrane is cast resin interfix；Institute
The manufacture device for stating hollow fiber film assembly possesses apparatus for pouring, and the apparatus for pouring has：
Holding meanss：The hollow fiber membrane sheet substance fixed for the end with cast with fixture, this is hollow
Tunica fibrosa tablet remains its sheet surfaces relative to the inclined state of vertical direction；
And nozzle：The casting resin of liquid is discharged.
The effect of invention
According to the manufacture method of the hollow fiber film assembly of the present invention, casting resin can readily and stably be injected, can pressed down
Nozzle contact hollow fiber membrane sheet substance damage processed, is easy to the automation for the injection operation that machinery is brought.
Using the manufacture device of the hollow fiber film assembly of the present invention, casting resin can readily and stably be injected, may be used also
Suppress nozzle contact hollow fiber membrane sheet substance damage.
Brief description of the drawings
The oblique view of one of the hollow fiber film assembly that [Fig. 1] displaying is manufactured by the manufacture method of the present invention.
The Section A-A figure of [Fig. 2] Fig. 1 hollow fiber film assembly.
The plan of hollow fiber membrane sheet substance in [Fig. 3] displaying Fig. 1 hollow fiber film assembly.
The sectional view of one process of the manufacture method of the hollow fiber film assembly of [Fig. 4] displaying present invention.
The sectional view of one process of the manufacture method of the hollow fiber film assembly of [Fig. 5] displaying present invention.
Reference
1 hollow fiber film assembly
10 hollow fiber membrane sheet substances
10a, 10b sheet surfaces
12a, 12b collector pipe
14 casting portions
16 hollow-fibre membranes
Embodiment
The manufacture method of the hollow fiber film assembly of the present invention, is to possess more hollow-fibre membranes to be aligned in sheet
Set on the end of the hollow-fibre membrane length direction on empty fiber membrane tablet, and the hollow fiber membrane sheet substance
Collector pipe, in the resettlement section office being contained in the collector pipe of the hollow fiber membrane sheet substance, each hollow-fibre membrane quilt
The manufacture method for the hollow fiber film assembly that the solidfied material of casting resin interfixes.
[hollow fiber film assembly]
Hereinafter, one of the hollow fiber film assembly manufactured by the manufacture method of the present invention is shown.
The hollow fiber film assembly 1 of present embodiment, as shown in Figures 1 to 3, it possesses 4 overlapping doughnut diaphragms
The collector pipe 12a for a pair of the strips installed on the both ends of shape thing 10 and the length direction of 4 hollow fiber membrane sheet substances 10,
12b.Collecting part 13a, 13b of each end 11a, 11b side of 4 overlapping hollow fiber membrane sheet substances 10, are inserted respectively
In the state of entering, being contained in each collector pipe 12a, 12b, by the casting portion 14 of the solidfied material containing fixation casting resin,
It is fixed in liquid-tight manner in collector pipe 12a, 12b.
Hollow fiber membrane sheet substance 10 is that more hollow-fibre membranes 16 are parallel to each other, and sheet is aligned to, in each hollow fibre
The open end 16a of the both sides of the length direction of dimension film 16 is concentrated in the state of being all open.
The piece number of hollow-fibre membrane in hollow fiber film assembly is not limited to 4, can be 1 or more than 2
Any piece number.
As the material of hollow-fibre membrane, can lift for example, polysulfones system resin, polyacrylonitrile, cellulose derivative, polyethylene
Or fluororesin, polyamide, polyester, the poly- methyl of the polyolefin of polypropylene etc., Kynoar (PDVF) or polytetrafluoroethylene (PTFE) etc.
Acrylate, polyacrylate etc..In addition, it may be used at the material that substituent is imported in a part for these resins.Hollow fibre
Dimension film material can be a kind or two or more.
In hollow fiber membrane sheet substance 10, on end 11a, 11b side of the both sides of the length direction of hollow-fibre membrane 16
Be respectively equipped with, upwardly extended in the side vertical with the length direction of hollow-fibre membrane 16 and for one fixed width banding the 1st bundle
Bundle portion 18a and the 2nd tie part 18b.By the 1st tie part 18a and the 2nd tie part 18b, more hollow-fibre membranes 16 are collected
In.
It is adjacent in being respectively equipped with the 1st tie part 18a and the 2nd tie part 18b part for hollow fiber membrane sheet substance 10
Hollow-fibre membrane 16 between distance preferably 0~1mm.If the distance between adjacent hollow-fibre membrane 16 is within the above range,
The usage amount of the tie part of the radical relative to hollow-fibre membrane can be compressed while effective membrane area is ensured, can be reduced into
This.
1st tie part 18a be respectively arranged at the both sides of the length direction of hollow fiber membrane sheet substance 10 end 11a,
11b.1st tie part 18a is the state inserted in collector pipe 12a, 12b.In this example, the open end 16a of hollow-fibre membrane 16
With the side end faces of the 1st tie part 18a open end 16a sides at grade.1st tie part 18a by such design,
Easily suppress the reduction of effective membrane area.
2nd tie part 18b is separately positioned near end 11a, 11b in hollow fiber membrane sheet substance 10, in length side
Upwards, set from the 1st tie part 18a to center side spacing distance L2.2nd tie part 18b is located at hollow fiber membrane sheet substance 10
On be exposed at collector pipe 12a, 12b part.
Distance L2 can suitably be set, preferably 8~50mm.
1st tie part 18a width L1 and the 2nd tie part 18b width L3, difference preferably 3~30mm.Width L1 with
And if width L3 is readily available more than lower limit and sufficiently ties up intensity.If width L1 and width L3 below higher limit,
Easily suppress the reduction of membrane area.Width L1 and L3 can be the same or different.
1st tie part 18a and the 2nd tie part 18b thickness, difference preferably 0.1~1mm.If thickness lower limit with
On, the sufficient tie part of intensity is easily formed, hollow fiber membrane sheet substance is difficult to be broken.If thickness below higher limit, can drop
Low cost, and easily improve the packed density of the hollow-fibre membrane of each hollow fiber film assembly.
As the material for forming the 1st tie part 18a and the 2nd tie part 18b, can lift for example, being extended as defined in JIS K6251
Elastomer of the rate (E) more than 200%, preferably elastomer of the elongation (E) more than 300%.The elongation (E) of elastomer
The upper limit is not particularly limited, and usually 600% or so.
If the 1st tie part 18a is formed by above-mentioned elastomer, between the 1st overlapping tie part 18a can be given full play to, or
Sealing between 1st tie part 18a and collector pipe 12a, 12b side of sidewall portion 20a, 20b.Therefore, by the casting resin of liquid
When injecting in collector pipe 12a, 12b, easily suppress leakage of the casting resin to the 1st tie part 18a bottom 20c sides.2nd ties up
If portion 18b is formed by the elastomer, when the casting resin of liquid is injected in collector pipe 12a, 12b, easily suppress capillary
Casting resin caused by phenomenon excessively climbs.
Preferred A40~80 of Shore hardness as defined in the JIS K6253 of elastomer.Elastomer used in 1st tie part 18a
If Shore hardness within the above range, during injection, easily suppress the leakage of the bottom 20c sides to casting resin.For the 2nd bundle
If the Shore hardness of bundle portion 18b elastomer is within the above range, when air cleaning is handled, easily suppress to produce on hollow-fibre membrane
Raw damage.
In addition, the specification of JIS K6253 Shore hardness corresponds to ISO 7619.
As the material of elastomer, preferred thermoplastic elastomer.It is contemplated that the species of thermoplastic elastomer (TPE), according to hollow fibre
The environment that dimension membrane module uses, is selected patience of environment etc..As thermoplastic elastomer (TPE), can lift for example, polystyrene bullet
Property body (TPS), polyolefin elastomer (TPO), vinyl chloride elastomer (TPVC), ester based elastomers (TPC), polyurethane series bullet
Property body (TPU), acid amides based elastomers (TPA) etc..Wherein, it is high based on caoutchouc elasticity, the excellent point of resistance to chemical reagents, optimization styrene
Based elastomers (TPS).The material of elastomer can be a kind or two or more.
Collector pipe 12a, 12b are by a pair of sidewalls portion 20a, 20b for facing each other face of strip, and connection a pair of sidewalls portion
Section between the end of 20a, 20b short side direction is formed for the bottom 20c of semicircle shape.Short side on collector pipe 12a, 12b
Formed with the slit-shaped openings portion 22 extended along long side direction on the other end in direction.In this way, collector pipe 12a, 12b are strip
Shape part.Perpendicular to the section of collector pipe 12a, 12b long side direction be shaped as it is U-shaped.
In hollow fiber film assembly 1, overlapping 4 hollow fiber membrane sheet substances 10, respective 1st tie part 18a mutually it
Between bond, the 2nd tie part 18b is bonded between each other.In this way, under overlap condition, the setting of each hollow fiber membrane sheet substance 10
Have in the 1st tie part 18a end 11a, 11b insertion collector pipe 12a, 12b.
Distance L preferably 1~30mm of 2nd tie part 18b and collector pipe 12a, 12b opening portion 22, more preferably 3~
10mm.If distance L more than lower limit, easily injects the casting resin (potting syrup) of liquid into collector pipe 12a, 12b, thus
Easily casting resin is set to be sufficient filling with solidifying in the state of in collector pipe, leakage incidence is low.If distance L higher limit with
Under, easily suppress the reduction of effective membrane area of hollow fiber film assembly.
In addition, distance L refers to, and in the case of the 2nd tie part 18b of collector pipe 12b sides, the length side of hollow-fibre membrane 16
It is upward from collector pipe 12b opening portion 22 (from side of sidewall portion 20a, 20b front end face) to the 2nd tie part 18b collector pipe 12b
The length of the side of side.It is same for the 2nd tie part 18b of collector pipe 12a sides distance L.
On collector pipe 12a, 12b of this example each side of sidewall portion 20a medial surface, along collector pipe 12a, 12b length side
Formed to the difference of height portion 24 of extension on opposite position.Be boundary with difference of height portion 24, the side of sidewall portion 20a of bottom 20c sides and
Side of sidewall portion 20b distance (space), the distance (space) than the side of sidewall portion 20a and side of sidewall portion 20b of the side of opening portion 22 are small.This example
In, the side one of the center side of the length direction of the position in difference of height portion 24 and the hollow-fibre membrane 16 in the 1st tie part 18a
Cause.
The side of sidewall portion 20a and side of sidewall portion 20b of the bottom 20c sides in difference of height portion 24 distance are set to, in overlapping
The gross thickness of 1st tie part 18a of empty fiber membrane tablet 10 part is identical or smaller.Accordingly, overlapping hollow-fibre membrane
1st tie part 18a of tablet 10 part, it is bonded in liquid-tight manner with side of sidewall portion 20a, 20b medial surface, plays sealing.This
Outside, also it is bonded in liquid-tight manner between overlapping each 1st tie part 18a, plays sealing.
As the material of collector pipe, preferably with excellent mechanical strength and durability.Can lift for example, makrolon,
Polysulfones, polyolefin, PVC (polyvinyl chloride), acrylic resin, ABS resin, MODIFIED PP E (polyphenylene oxide) etc..Material as collector pipe
Matter, can be a kind or two or more.
Casting portion 14 is formed, is tied up with filling on the outside of each hollow-fibre membrane 16 in full collector pipe 12a, 12b from the 1st
Parts of the portion 18a to opening portion 22.Accordingly, the tie part 18a of casting portion 14 and the 1st on collector pipe 12a, 12b leans on bottom
On 20c sides, collecting space 26 is formed.
In hollow fiber film assembly 1, with the more filtration treatments of hollow-fibre membrane 16 for forming hollow fiber membrane sheet substance 10
Liquid afterwards, temporarily collected in collector pipe 12a, 12b collecting space 26, then by collector pipe 12a, 12b long side side
To end on the intake 28 that is formed, be taken out to the outside of hollow fiber film assembly 1.
As the casting resin for forming casting portion 14, can lift for example, epoxy resin, unsaturated polyester resin, polyurethane tree
Fat, silicon-type filling material, various thermoplastic resins.The casting resin of casting portion 14 is formed, can be a kind or 2 kinds.
[manufacture method of hollow fiber film assembly]
The manufacture method of the hollow fiber film assembly of the present invention possesses following cast process：By in hollow fiber membrane sheet substance
The end of length direction of hollow-fibre membrane fixed with cast with fixture, allowing the lamella table of the hollow fiber membrane sheet substance
In the state of face tilts relative to vertical direction, from nozzle by the casting resin of liquid, pass through the slit of the cast fixture
Shape opening portion, which is injected in the cast fixture, to be solidified, will be each hollow in the resettlement section office of the hollow fiber membrane sheet substance
Fiber is intermembranous to interfix.Sheet surfaces herein refer to, in hollow fiber membrane sheet substance, by the doughnut of more alignment
The face for the roughly planar that film is formed.
The manufacture method of the present invention, the hollow-fibre membrane group for being provided with the apparatus for pouring for possessing holding meanss and nozzle can be used
The manufacture device of part.Holding meanss are the hollow fiber membrane sheet substances that will be fixed with cast with fixture, remain its sheet surfaces
With relative to the device of the inclined state of vertical direction.Nozzle discharges the casting resin of liquid.
Hereinafter, one of manufacture method of hollow fiber film assembly as the present invention, to use described in collector pipe conduct
Cast fixture, the method for manufacture hollow fiber film assembly 1 illustrate.
The manufacture device 100 (hereinafter simply referred to as " manufacture device 100 ") of hollow fiber film assembly, as shown in figure 4, being provided with
Possesses the apparatus for pouring 102 of holding meanss 110 and nozzle 50.Holding meanss 110 possess the plate-like substrate portion 112 of strip and from bases
Convex strip portions 114 that the upper surface of plate portion 112 protrudes, extending in the longitudinal direction.Convex strip portions 114 are perpendicular to length direction
The cross sectional shape cut off on direction is triangle, and the side of convex strip portions 114 has inclined plane 114a.The inclined plane of convex strip portions 114
114a erects end 11a, 11b for being inserted with hollow fiber membrane sheet substance 10 collector pipe 12a, 12b.In this way, by raised line
Collector pipe 12a, 12b are erected on the inclined plane 114a in portion 114, hollow fiber membrane sheet substance 10 remains its sheet surfaces 10a phases
For the inclined state of vertical direction.
Nozzle 50 is configured in the top for the hollow fiber membrane sheet substance 10 fixed by holding meanss 110, by pouring for liquid
Resin P is noted to discharge to sheet surfaces 10a along substantially vertical direction.
In apparatus for pouring 102, nozzle 50 is preferably with respect to the hollow fiber membrane sheet substance kept by holding meanss 110
10, moved on the width of hollow fiber membrane sheet substance 10.In this way, nozzle 50 is while move, while discharge casting resin
P, it is accordingly, overall to inject casting resin P easily on the width of hollow fiber membrane sheet substance 10.In addition, according to circumstances,
Holding meanss 110 are while keep hollow fiber membrane sheet substance 10, while mobile, accordingly, nozzle 50 can be relatively in doughnut
Moved on the width of membrane-like thing 10.
In the manufacture method of present embodiment, the hollow fiber membrane sheet substance 10 of 4 is laminated, allows the 1st tie part 18a phases
Between mutually and the 2nd tie part 18b is overlapping each other.Then, in process is poured into a mould, by the layered product of hollow fiber membrane sheet substance 10
In the length direction provided with the 1st tie part 18a side end 11b insertions collector pipe 12b in.Then, as shown in figure 4,
By the holding meanss 110 of the apparatus for pouring 102 in manufacture device 100, hollow fiber membrane sheet substance 10 is remained into its thickness
The sheet surfaces 10a in direction is relative to the inclined state of vertical direction.Under the state, from positioned at hollow fiber membrane sheet substance 10
The nozzle 50 of top, casting resin (potting syrup) P of liquid is discharged downwards, allow lamella tables of the casting resin P along upside
It is allowed to solidify in face 10a injection collector pipes 20b.Accordingly, in the collecting part of the end 11b sides of each hollow fiber membrane sheet substance 10
At 13b, interfixed between each hollow fiber membrane sheet substance 16, further, the collecting part of hollow fiber membrane sheet substance 10
13b is fixed on collector pipe 12b in liquid-tight manner.On being provided with the 1st tie part 18a in the layered product of hollow fiber membrane sheet substance 10
Length direction opposite side end 11a, similarly inserted with apparatus for pouring 102 in collector pipe 12a, carry out casting resin
P injection, solidification.Accordingly, at the collecting part 13a of the end 11a sides of each hollow fiber membrane sheet substance 10, each doughnut
Interfixed between film 16, further, house part 13a and be fixed on collector pipe 12a in liquid-tight manner.
In this way, allow hollow fiber membrane sheet substance 10 sheet surfaces 10a tilt in the state of, be supplied from above liquid
Casting resin P, utilized hollow fiber membrane sheet substance 10 as guiding thing, casting resin P is injected in collector pipe 12a, 12b.
Casting resin P from the discharge direction of nozzle 50 preferably it is vertical in downward direction.In addition, casting resin P discharge direction,
If in the range of the effect of the present invention is not damaged, can be tilted relative to vertical direction.Even allow casting resin P discharge side
To relative to the inclined situation of vertical direction, relative to vertical direction discharge direction inclination preferably below 45 °.
Casting resin P mode is injected, for example, the mode being carried out as follows can be enumerated, hollow fiber membrane sheet substance 10 is not moved
Dynamic, nozzle 50 is on the width of hollow fiber membrane sheet substance 10 while moving, while casting resin P is injected into collector pipe
12a、12b.Furthermore, it is possible to it is that nozzle 50 does not move, while mobile hollow fiber membrane sheet substance 10, allows nozzle 50 relatively in
Moved on the width of empty fiber membrane tablet 10, while casting resin P to be injected to collector pipe 12a, 12b mode.In addition,
Can be while making both nozzle 50 and hollow fiber membrane sheet substance 10 mobile, nozzle 50 is relatively in hollow fiber membrane sheet substance
Moved on 10 width, while casting resin P to be injected to collector pipe 12a, 12b mode.
As injection casting resin P mode, based on mechanical automation is easy to, the viewpoint of cost can be further reduced, it is excellent
Hollow fiber membrane sheet substance 10 is selected not move, nozzle 5 is on the width of hollow fiber membrane sheet substance 10 while moving, on one side
By casting resin P injection collector pipes 12a, 12b mode.
The translational speed of nozzle can be according to the viscous behavior or injection rate of potting syrup, between nozzle and hollow fiber membrane sheet substance
Distance suitably select, preferably more than 100mm/s, more preferably 500~1000mm/s.If the translational speed of nozzle lower limit with
On, productivity improves.If the translational speed of nozzle is below higher limit, in potting syrup from nozzle to contact doughnut membrane-like
On the gas phase portion walking section of thing, casting resin is readily and stably supplied.In addition, easily prevent from injection supply pump to nozzle
Caused by flexural fatigue on stream pipe arrangement the problem of leakage etc..
It is downward from nozzle 50 even if nozzle 50 is away from hollow fiber membrane sheet substance in the method for implanting of the casting resin
The casting resin P of discharge can also reach the sheet surfaces 10a of hollow fiber membrane sheet substance 10, be injected into collector pipe 12a.Cause
This, nozzle 50 is without excessive close to hollow fiber membrane sheet substance 10.Therefore, with hollow fiber membrane sheet substance 10 in vertical direction
The situation for injecting casting resin in the state of erecting is compared, and the position of nozzle 50 can be sufficiently far from hollow fiber membrane sheet substance 10.
Accordingly, the damage of hollow fiber membrane sheet substance 10 caused by the contact of nozzle 50 can be suppressed.In addition, the injection by casting resin P
When being automated by machinery, without setting the sensor for the position for grasping nozzle 50 or the position of multijoint control nozzle 50
Multi-axis robot, thus automate easily, cost can be reduced.
Distance between the front end of nozzle 50 in vertical direction and the sheet surfaces 10a of hollow fiber membrane sheet substance 10 is preferred
More than 5mm, more preferably 10~30mm.If the distance is more than lower limit, easily hollow caused by the contact of suppression nozzle 50
The damage of tunica fibrosa tablet 10.If the distance, below higher limit, casting resin P injection can more stably be implemented.
In addition, in the method for implanting of the casting resin, without because by the leading section of nozzle 50 close to collector pipe 12a
Space between hollow fiber membrane sheet substance 10 and attenuated.Therefore, the blocking of the casting resin P in nozzle 50 can be suppressed,
Casting resin P discharge rate there is not limitation yet, and discharge rate also can be improved fully.
External diameter preferred more than the 2mm, more preferably 3~6mm of the front end of nozzle 50.If the external diameter of the front end of nozzle 50 is in lower limit
More than value, the blocking of the casting resin P in nozzle 50 easily suppresses, in addition, casting resin P discharge rate easily fully improves.
In addition, in the method for implanting of the casting resin, hollow fiber membrane sheet substance 10 is located away from due to nozzle 50,
Even if collector pipe 12a opening portion 22 is not widened, casting resin P can be also easily injected into.
As this example, using being provided with the 1st tie part 18a and the 2nd tie part on end 11a, 11b of length direction
During 18b hollow fiber membrane sheet substance 10, preferably from nozzle 50 to sheet surfaces 10a on the 1st tie part 18a and the 2nd tie up
Casting resin P is discharged between portion 18b.Accordingly, the casting resin P to sheet surfaces 10a is supplied easily by rapidly to collector pipe
Injected in 12a, 1b.In addition, casting resin P caused by capillarity climb it is maximum only to the 2nd tie part 18b part just
It can be suppressed, thus easily suppress the reduction of effective membrane area.
In addition, casting resin P injection, preferably to hollow fiber membrane sheet substance 10 thickness direction a pair of sheet surfaces
Casting resin P is supplied on the sheet surfaces side of only side in 10a, 10b and is carried out.
When hollow fiber membrane sheet substance 10 is being injected in the state of being erected in vertical direction, to by collector pipe
Is full of with an adequate amount of casting resin P in 12a, fixes hollow fiber membrane sheet substance 10, it is necessary to from hollow fiber membrane sheet substance
The sheet surfaces 10a sides of 10 side and this both sides of the sheet surfaces 10b sides of opposite side injection casting resin P.But make hollow
Tunica fibrosa tablet 10 is tilted when being injected, from the casting resin P of sheet surfaces 10a sides injection easily by gravity to lamella
Move surface 10b sides.In this way, it will can only be used by the injection of the casting resin of the sheet surfaces side from side in collector pipe
An adequate amount of casting resin is full of, and hollow fiber membrane sheet substance is fixed.The injection of casting resin is passed through into mechanical automation
When, machinery can be simplified based on this point, thus cost can be reduced further.
The inclined sheet surfaces 10a and vertical direction angulation θ of hollow fiber membrane sheet substance 10 lower limit are excellent
Select more than 10 °, more preferably more than 15 °, preferably less than 60 °, more preferably less than 40 ° of higher limit.When angle, θ is more than lower limit,
Easily nozzle 50 is allowed away from hollow fiber membrane sheet substance 10.When angle, θ is below higher limit, casting resin P will not be during injection
Sheet surfaces vertical spread, it is easy to inject in collector pipe 12a, 12b.
End 11a, 11b of the both sides of the length direction for the hollow fiber membrane sheet substance 10 that casting resin P injection is brought
The fixation to collector pipe 12a, 12b, end 11a, 11b can be carried out successively respectively, can also be to end 11a, 11b of both sides
Carry out simultaneously.In the present invention, preferably simultaneously carry out hollow fiber membrane sheet substance length direction both side ends to collector pipe
Fixation.
As on end 11a, 11b of the both sides of the length direction in hollow fiber membrane sheet substance 10 simultaneously carry out cast tree
The mode of the injection of fat, it can lift for example, (being hereinafter referred merely to as using the manufacture device 100A of the hollow fiber film assembly shown in Fig. 5
" manufacture device 100A ") mode.Manufacture device 100A is provided with, and possess holding meanss 110A and nozzle 50A, 50B pours filling
Put 102A.
Holding meanss 110A possesses the plate-like substrate portion 112A of strip, and protrude from baseplate part 112A it is upper surface,
Convex strip portions 114A, the 114B extended on length direction, and extending in the longitudinal direction between convex strip portions 114A and 114B
Lamella support sector 116.
The cross sectional shape that convex strip portions 114A is cut off on the direction vertical with length direction is triangle, on the surface of side
With inclined plane 114a.Convex strip portions 114B is same, and the cross sectional shape cut off on the direction vertical with length direction is triangle
Shape, there is inclined plane 114b on the surface of side.Convex strip portions 114A and convex strip portions 114B are set up in parallel, and make respective inclined plane
114a, 114b are relative.On convex strip portions 114A inclined plane 114a, the end inserted with hollow fiber membrane sheet substance 10 is erected
11a collector pipe 12a.Similarly, on convex strip portions 114B inclined plane 114b, erect inserted with hollow fiber membrane sheet substance 10
End 11b collector pipe 12b.So, on convex strip portions 114A inclined plane 114a and convex strip portions 114B inclined plane 114b
Collector pipe 12a, 12b are erected respectively, accordingly, the end 11a of the both sides on the sheet surfaces 10a of hollow fiber membrane sheet substance 10,
The part of 11b sides is retained as relative to the inclined state of vertical direction respectively.
The cross sectional shape that lamella support sector 116 cuts off on the direction vertical with length direction is rectangle, highly than convex
114A, 114B are high in bar portion.In the state that hollow fiber membrane sheet substance 10 is kept, the leading section docking of lamella support sector 116
In on the middle body of the length direction of the hollow fiber membrane sheet substance 10 of bending, accordingly, hollow fiber membrane sheet substance 10 is protected
Hold more stable.
Nozzle 50A is configured in the end of the side of the hollow fiber membrane sheet substance 10 maintained by holding meanss 110A
The top of 11a sides part, the part by the casting resin of liquid to the end 11a sides on sheet surfaces 10a, towards substantially vertical
Discharge downwards.Nozzle 50B is configured at the end of the opposite side of the hollow fiber membrane sheet substance 10 maintained by holding meanss 110A
The top of portion 11b sides part, the part by the casting resin of liquid to the end 11b sides on sheet surfaces 10a, towards substantially lead
Straight discharge downwards.
In manufacture method using manufacture device 100A, by the end of the both sides of the layered product of hollow fiber membrane sheet substance 10
11a, 11b insert collector pipe 12a, 12b respectively, make it curved in the longitudinal direction on holding meanss 110A baseplate part 112A
Song, in raising up, to be retained as the piece for making hollow fiber membrane sheet substance 10 on the length direction of hollow-fibre membrane 16
The part of end 11a, 11b side of both sides on layer surface 10a is respectively relative to the inclined state of vertical direction.In the state
Under, respectively on end 11a, 11b side of hollow fiber membrane sheet substance 10, arranged downwards from 2 nozzles 50A, 50B by casting resin
Go out, allow sheet surfaces 10a of the casting resin along upside to be injected separately into collector pipe 12a, 12b, solidify., can in such mode
Implement end 11a, 11b of the both sides of the length direction of hollow fiber membrane sheet substance 10 fixation to collector pipe simultaneously, thus
Productivity can be improved, cost during automation is lower.
As described above, in the manufacture method of the hollow fiber film assembly of present embodiment, by hollow fiber membrane sheet substance
End is fixed on collector pipe, allow hollow fiber membrane sheet substance sheet surfaces tilted relative to vertical direction in the state of,
Carry out the injection of casting resin.Therefore, even if the slit-shaped openings portion of collector pipe does not widen, cast tree can be also easily injected into
Fat, nozzle contact can be suppressed, hollow fiber membrane sheet substance is damaged, be easy to the injection operation of mechanical automation.
In addition, the manufacture method of the hollow fiber film assembly of the present invention is not limited to the above method.For example, hollow-fibre membrane
The laminates number of tablet can be below 3, can also be more than 5, in addition it is also possible to be in 1 doughnut diaphragm
The method that collector pipe is set on the both ends of shape thing.In addition, the manufacture method of the hollow fiber film assembly of the present invention can also be,
Collector pipe is installed on the end of the only side of the length direction of hollow fiber membrane sheet substance, will be each with resin etc. on the other end in
The method of the open end closing of empty fiber membrane.
In addition, in the present invention, pour into a mould in process, the formation prepared outside collector pipe can be used to have slit-shaped openings portion
Cast fixture.Can be specifically following methods：Cast in addition to using ready collector pipe is replaced with part
It is same as mentioned above outside collector pipe, after carrying out cast process, used from the end of hollow fiber membrane sheet substance by the cast
Fixture is removed, and collector pipe is installed on the end.Now, after process is poured into a mould, installed on the end of hollow fiber membrane sheet substance
The method of collector pipe, as long as the end is fixed on the method on collector pipe in liquid-tight manner, it can lift for example, using sticker
Method, method etc. of heating melting adhesion after collector pipe is installed.In addition, can by only by a pair of sidewalls portion of collector pipe,
When the end of hollow fiber membrane sheet substance is sandwiched and is fixed in liquid-tight manner, only the end is sandwiched with a pair of sidewalls portion of collector pipe
.In this method, for example, maying be used at outside apparatus for pouring, it is further equipped with being used to remove cast fixture, installation is catchmented
The manufacture device of the hollow fiber film assembly of the collector pipe erecting device of pipe.
The manufacture method of the hollow fiber film assembly of the present invention, however it is not limited to pass through pre- tie part using each hollow-fibre membrane
The method for the hollow fiber membrane sheet substance being tied.For example, it may be the end quilt of the length direction using each hollow-fibre membrane
It is grouped as the method for the hollow fiber membrane sheet substance of pencil in advance by the solidfied material of casting resin.
The manufacture device of the hollow fiber film assembly of the present invention, it is not necessary to be limited to above-mentioned record, its main idea can not changed
In the range of appropriate change implement.
Claims (11)
1. a kind of manufacture method of hollow fiber film assembly, the hollow fiber film assembly possesses hollow fiber membrane sheet substance and catchmented
Pipe, the hollow fiber membrane sheet substance are that more hollow-fibre membranes are aligned to sheet and formed, and the collector pipe is arranged on described
On the end of the hollow-fibre membrane length direction in hollow fiber membrane sheet substance, in the receipts of the hollow fiber membrane sheet substance
The resettlement section office being dissolved in the collector pipe, the solidfied material that each hollow-fibre membrane is cast resin interfix；
It has cast process：The end is fixed with cast with fixture, makes the lamella table of the hollow fiber membrane sheet substance
In the state of face tilts relative to vertical direction, via nozzle by the casting resin of liquid, from the slit of the cast fixture
Shape opening portion is injected in the cast fixture, is allowed to solidify, fixes each hollow-fibre membrane in the resettlement section office.
2. the manufacture method of hollow fiber film assembly according to claim 1, pressed from both sides using collector pipe as the cast
Tool.
3. the manufacture method of hollow fiber film assembly according to claim 1, after the cast process, from the end
The cast is removed with fixture, the collector pipe is installed to the end.
4. according to any one of claims 1 to 3 record hollow fiber film assembly manufacture method, make the sheet surfaces with
Vertical direction angulation is 10~60 °.
5. the manufacture method for the hollow fiber film assembly recorded according to any one of claims 1 to 3, while making the nozzle exist
Moved on the width of the hollow fiber membrane sheet substance, while the casting resin is injected in the cast fixture.
6. the manufacture method for the hollow fiber film assembly recorded according to any one of claims 1 to 3, while making the hollow fibre
Dimension membrane-like thing moves in the direction of the width relative to the nozzle, while the casting resin is injected into the cast fixture
It is interior.
7. the manufacture method for the hollow fiber film assembly recorded according to any one of claims 1 to 3, the nozzle is positioned at described
The top of hollow fiber membrane sheet substance.
8. the manufacture method for the hollow fiber film assembly recorded according to any one of claims 1 to 3, makes the casting resin edge
The sheet surfaces, the cast is injected into being allowed to solidify in fixture from the cast with the slit-shaped openings portion of fixture.
9. the manufacture method for the hollow fiber film assembly recorded according to any one of claims 1 to 3, only to the doughnut
The sheet surfaces of side among a pair of sheet surfaces of membrane-like thing supply the casting resin.
10. the manufacture method of hollow fiber film assembly according to claim 9, by the hollow fiber membrane sheet substance
The both side ends of the length direction of the hollow-fibre membrane are fixed with the cast with fixture respectively, make the doughnut diaphragm
Shape thing raises up bending on the length direction of the hollow-fibre membrane, on the end side of both sides, makes the lamella table
In the state of face tilts, with 2 nozzles, opened respectively from the cast being fixed in the both side ends with the slit-shaped of fixture
Oral area, the casting resin of liquid is injected into the cast fixture, is allowed to solidify.
11. a kind of manufacture device of hollow fiber film assembly, the hollow fiber film assembly possess hollow fiber membrane sheet substance and collection
Water pipe, the hollow fiber membrane sheet substance are that more hollow-fibre membranes are aligned to sheet and formed, and the collector pipe is arranged on institute
On the end for stating the hollow-fibre membrane length direction in hollow fiber membrane sheet substance, in the hollow fiber membrane sheet substance
The resettlement section office being contained in the collector pipe, the solidfied material that each hollow-fibre membrane is cast resin interfix；
The manufacture device of the hollow fiber film assembly possesses apparatus for pouring, and the apparatus for pouring has：
Holding meanss：The hollow fiber membrane sheet substance fixed for the end with cast with fixture, by the doughnut
Membrane-like thing remains its sheet surfaces relative to the inclined state of vertical direction；
And nozzle：The casting resin of liquid is discharged.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-148161 | 2016-07-28 | ||
| JP2016148161 | 2016-07-28 | ||
| JP2017107761A JP2018023964A (en) | 2016-07-28 | 2017-05-31 | Manufacturing method and manufacturing device of hollow fiber membrane module |
| JP2017-107761 | 2017-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107661696A true CN107661696A (en) | 2018-02-06 |
| CN107661696B CN107661696B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624999.0A Active CN107661696B (en) | 2016-07-28 | 2017-07-27 | Method and apparatus for manufacturing hollow fiber membrane module |
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| Country | Link |
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| CN (1) | CN107661696B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
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| JP3925386B2 (en) * | 2002-10-17 | 2007-06-06 | 宇部興産機械株式会社 | In-mold coating mold |
| US20080166547A1 (en) * | 2000-12-18 | 2008-07-10 | Mitsubishi Rayon Co., Ltd. | Hollow fiber membrane module, and a manufacturing method therefor, and housing for hollow fiber membrane module |
| WO2015152401A1 (en) * | 2014-04-03 | 2015-10-08 | 三菱レイヨン株式会社 | Hollow fiber membrane sheet-like object, method of manufacturing hollow fiber membrane sheet-like object, hollow fiber membrane sheet laminate, method of manufacturing hollow fiber membrane sheet laminate, hollow fiber membrane module and method of manufacturing hollow fiber membrane module |
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| JP2002103351A (en) * | 2000-09-29 | 2002-04-09 | Yamaha Livingtec Corp | Molding mold |
| US20080166547A1 (en) * | 2000-12-18 | 2008-07-10 | Mitsubishi Rayon Co., Ltd. | Hollow fiber membrane module, and a manufacturing method therefor, and housing for hollow fiber membrane module |
| JP3925386B2 (en) * | 2002-10-17 | 2007-06-06 | 宇部興産機械株式会社 | In-mold coating mold |
| CN1609943A (en) * | 2003-08-22 | 2005-04-27 | 旭硝子株式会社 | Display apparatus and producing method thereof |
| WO2015152401A1 (en) * | 2014-04-03 | 2015-10-08 | 三菱レイヨン株式会社 | Hollow fiber membrane sheet-like object, method of manufacturing hollow fiber membrane sheet-like object, hollow fiber membrane sheet laminate, method of manufacturing hollow fiber membrane sheet laminate, hollow fiber membrane module and method of manufacturing hollow fiber membrane module |
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| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
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| CN107661696B (en) | 2021-03-12 |
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