CN109957847A - A kind of hollow tunica fibrosa spinneret that novel multifibres merges - Google Patents
A kind of hollow tunica fibrosa spinneret that novel multifibres merges Download PDFInfo
- Publication number
- CN109957847A CN109957847A CN201711416987.5A CN201711416987A CN109957847A CN 109957847 A CN109957847 A CN 109957847A CN 201711416987 A CN201711416987 A CN 201711416987A CN 109957847 A CN109957847 A CN 109957847A
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- Prior art keywords
- deflector
- spinneret
- liquid
- cushion chamber
- multifibres
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a kind of hollow tunica fibrosa spinnerets that novel multifibres merges, it is formed including feeding plate, deflector and spinneret, the feed liquid cushion chamber being equipped between the feeding plate and the deflector, the top center of the feeding plate are provided with the casting solution entrance being connected with the feed liquid cushion chamber；Film liquid pressure chamber is provided between the deflector and the spinneret, material liquid flowing channel is provided in the deflector, the upper road junction of the material liquid flowing channel is connected with the feed liquid cushion chamber, the dirty road junction of the material liquid flowing channel is connected with the film liquid pressure chamber, the side of the deflector is equipped with core liquid entrance, the bottom centre of the deflector is provided with the core liquid diversion pipe group being connected with the core liquid entrance, and the core liquid diversion pipe group, which is threaded through in the molding hole of spinneret, forms film wire molding runners；The spinning efficiency of this spinning head is than previous twice of spinneret head height or more, and the integral strength of film wire produced is high, fastness ability is good and filter area is big.
Description
Technical field
The present invention relates to field of sewage treatment equipment, and in particular to a kind of hollow-fibre membrane spinneret that novel multifibres merges
Head.
Background technique
Hollow-fibre membrane is the core component of water treatment facilities, is applied to reverse osmosis membrane, microfiltration membranes, nanofiltration membrane and ultrafiltration membrane
Etc. a kind of important new material, gradually had been more and more widely used in fields such as environmentally friendly water process.With to hollow
The quality of tunica fibrosa and the raising of performance requirement, wherein film-strength even improves film due to being directly related to the service life of film
Flux and processing capacity, thus seem particularly significant.Therefore, the hollow fiber film thread of function admirable, good spinneret to be obtained
Header structure design is top priority.How to produce high-performance hollow tunica fibrosa and improve production efficiency, reduces production cost,
One of the problem of having become most popular research hollow-fibre membrane field and most critical.The production forming process of hollow-fibre membrane,
Simplified summary is exactly that spinning liquid and core liquid are injected spinning head from the different location of spinning head pedestal, inside spinning head
Special construction, from spinneret skull spray doughnut filiform object-be commonly called as film wire.It is in the prior art enhancing hollow-fibre membrane
Intensity, produce lining-reinforced hollow-fibre membrane by designing lining-reinforced hollow tunica fibrosa spinneret technology；This
Kind of film wire as enhancing liner, forms hollow fiber film thread by coating spinning on it using materials such as woven tubes, however this
The shortcomings that kind lining-reinforced hollow-fibre membrane, is that production cost is relatively high；Therefore a kind of film wire entirety can be produced by needing to design
The spinning head that intensity is high, effective filtration area is big is particularly important.If application number of invention patent is CN106400144A Shen Qing Publication
Day discloses a kind of Novel hollow fiber membrane spinning head, including spinning head main body, spinning head miscellaneous function on 2 15th, 2017
Ring and core liquid diversion pipe；Wherein, the core liquid diversion pipe connects the top end face of the spinning head main body；The spinning head auxiliary
Ring connects the bottom face of the spinning head main body；The side of the spinning head main body is provided with feed liquid injection hole, in spinning head master
Body bottom end is provided with the spinneret molding hole being connected with feed liquid injection hole；A core liquid pipe is provided in the spinning head main body,
Core liquid pipe is threaded through in spinneret molding hole and is connected to form core liquid stream road with the core liquid diversion pipe；It mainly passes through spinning head
Interior set core liquid diversion pipe, when so that carrying out that efficiency is extended to multi-holed jet at double using the spinning head, core liquid stream is dynamic
Uniformly, the qualification rate of film wire is improved；Such as Chinese invention patent, application No. is CN105671660A at data of publication of application 2016 6
The moon announces a kind of porous hollow fiber membrane spinning head of novel top feeding liquid on the 15th, and the spinning head is main advantage is that protect
It is good to demonstrate,prove wire vent thickness, diameter consistency.For another example Chinese utility model patent, Authorization Notice No. are that CN205115685U is being authorized
March 30 2016 day for announcing announces a kind of novel embedded porous hollow fiber membrane spinning head, which mainly realizes one
The infinite expanding of spinneret hole number on spinning head, to improve production efficiency.But the spinning head in above mentioned patent
And the technical problem that intensity is low and the filter area of film wire is small of unresolved hollow-fibre membrane.The present invention by deflector with
The film liquid pressure chamber being arranged between spinneret, film liquid enter film liquid pressure chamber, while core by material liquid flowing channel from feed liquid cushion chamber
Liquid enters core liquid diversion pipe group and film liquid from core liquid entrance and is spun into film wire, the spinning of this spinning head in the congregation of film wire molding runners mouth
Silk efficiency is than previous twice of spinneret head height or more, and the integral strength of film wire produced is high, fastness ability is good and filter area
Greatly.
Summary of the invention
The purpose of the present invention is to solve the hollow fiber film threads of hollow tunica fibrosa spinneret in the prior art production
The technical problem that intensity difference, effective filtration area are small and production efficiency is low, integral strength height, effectively filtering can be produced by providing one kind
The hollow tunica fibrosa spinneret that area is big and a kind of novel multifibres of at low cost and high production efficiency merges.
The present invention solves the above problems used technical solution are as follows: a kind of hollow-fibre membrane spinneret that novel multifibres merges
Head, including feeding plate, deflector and spinneret composition, the feed liquid cushion chamber being equipped between the feeding plate and the deflector,
The top center of the feeding plate is provided with the casting solution entrance being connected with the feed liquid cushion chamber；The deflector with it is described
It is provided with film liquid pressure chamber between spinneret, material liquid flowing channel, the upper road junction of the material liquid flowing channel are provided in the deflector
It is connected with the feed liquid cushion chamber, the dirty road junction of the material liquid flowing channel is connected with the film liquid pressure chamber, the deflector
Side be equipped with core liquid entrance, the bottom centre of the deflector is provided with the core liquid diversion pipe being connected with the core liquid entrance
Group, the core liquid diversion pipe group, which is threaded through in the molding hole of spinneret, forms film wire molding runners；The present invention is utilized in deflector
The film liquid pressure chamber being arranged between spinneret, film liquid enter film liquid pressure chamber by material liquid flowing channel from feed liquid cushion chamber, simultaneously
Core liquid enters core liquid diversion pipe group and film liquid from core liquid entrance and is spun into film wire in the congregation of film wire molding runners mouth, this spinning head
Spinning efficiency is than previous twice of spinneret head height or more, and the integral strength of film wire produced is high, fastness ability is good and filtering surface
Product is big.
Preferably, the feed liquid cushion chamber includes feed liquid cushion chamber A and feed liquid cushion chamber B, the feed liquid cushion chamber A is set
In the bottom surface of the feeding plate, the feed liquid cushion chamber B is set to the top surface of the deflector, the feed liquid cushion chamber A and described
Feed liquid cushion chamber B is funnel shaped groove structure；Feed liquid cushion chamber can play the role of prestoring casting solution, feed liquid cushion chamber
It inside can provide sufficient casting solution and enter material liquid flowing channel.
Preferably, the quantity of the material liquid flowing channel is 5, which is uniformly distributed in the feed liquid cushion chamber B
The deflector interior and that perforation is described；By the way that 5 material liquid flowing channels are arranged in feed liquid cushion chamber B, it may make film liquid can be simultaneously from 5
Material liquid flowing channel enter film liquid pressure chamber and more it is quick and uniformly.
Preferably, being provided centrally with plug in the feed liquid cushion chamber B；It is stifled by setting in feed liquid cushion chamber B
Head is the needs of processing technology, prevents the core liquid in core liquid entrance from leaking in feed liquid cushion chamber B, influences film wire production.
Preferably, the bottom center of the deflector is provided with cylindrical projection, the end face center setting of the spinneret
There is circular groove, the cylindrical projection is adapted to form the film liquid pressure chamber with the circular groove；By being provided with film liquid pressure
Power chamber can increase pressure when film liquid enters film wire molding runners, promote the molding speed of film wire, in addition protrusion and groove phase
It is pinpoint with playing the role of.
It is distributed preferably, the core liquid diversion pipe group is made of 3 core liquid diversion pipes in isosceles triangle；3 core liquid water conservancy diversion
Pipe forms core liquid diversion pipe group and previous core liquid draft tube structure is different, and 3 core liquid diversion pipe mutual distances are closer,
Three film wires are had after film wire molding to link together in piece film wire of plum blossom-shaped composition to increase intensity and the jail of film wire
Soundness even more increases the filter area of film wire.
Preferably, the film wire molding runners include the core liquid diversion pipe group and the molding hole group, the molding
Hole group is made of 3 molding holes to be distributed in isosceles triangle, and the upper end of the core liquid diversion pipe group is fixedly installed on the deflector
It is connected in bottom centre with the core liquid entrance, the lower end of the core liquid diversion pipe group is arranged in the molding hole group and is formed
The film wire molding runners.
Preferably, the both ends on the feeding plate, deflector and spinneret are provided with dowel hole, by positioning
Pin hole interpolation sets positioning pin and is fixedly connected with the feeding plate, deflector and spinneret；By positioning pin by feeding plate, lead
The mode that flowing plate and spinneret are fixed together the advantage is that positioning is more accurate, can prevent feeding plate, deflector
With the misspelled generation gap of spinneret.
Preferably, being additionally provided with threaded hole on the feeding plate, deflector and spinneret, which is 3
It is distributed in isosceles triangle, is respectively from top to bottom fixedly connected with the feeding plate and the deflector by bolt in threaded hole
The spinneret and the deflector are fixedly connected with from lower to upper.
Preferably, the shape of the feeding plate, deflector and spinneret is cylindrical structure；Feeding plate, deflector and
The shape of spinneret selects bar by turnery processing in production in cylindrical structure, mainly rises and facilitates processing and save the cost
Effect.
The present invention with the above mentioned technical proposal compared with prior art, the thermos have the advantages that using in water conservancy diversion
The film liquid pressure chamber being arranged between plate and spinneret, film liquid enter film liquid pressure chamber by material liquid flowing channel from feed liquid cushion chamber, together
When core liquid from core liquid entrance enter core liquid diversion pipe group and film liquid film wire molding runners mouth congregation be spun into film wire, this spinning head
Spinning efficiency than previous twice of spinneret head height or more, the integral strength of film wire produced is high, fastness ability is good and filtering
Area is big.
Detailed description of the invention
Fig. 1 is the sectional view of feeding plate structural representation of the invention；
Fig. 2 is the top view of deflector of the invention；
Fig. 3 is the A of Fig. 2 of the present invention to enlarged drawing；
Fig. 4 is the sectional view of the structure of deflector of the present invention；
Fig. 5 is the top view of spinneret of the invention；
Fig. 6 is the B of Fig. 5 of the present invention to enlarged drawing；
Fig. 7 is the sectional view of spinneret plate structure signal of the invention；
Fig. 8 is the sectional view of composite structure signal of the invention；
Fig. 9 is the bottom view of composite structure of the invention；
Figure 10 is the A of Fig. 9 of the present invention to enlarged drawing；
It is as shown in the figure: 1. feeding plates, 11. casting solution entrances, 2. deflectors, 21. material liquid flowing channels, 22. core liquid entrances, 23.
Protrusion, 24. plugs, 3. spinnerets, 31. grooves, 32. molding hole groups, 33. molding holes, 4. feed liquid cushion chambers, 41. feed liquids buffering
Chamber A, 42. feed liquid cushion chamber B, 5. film liquid pressure chambers, 6. core liquid diversion pipe groups, 61. core liquid diversion pipes, 7. film wire molding runners,
8. dowel hole, 9. threaded holes.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
The hollow tunica fibrosa spinneret that a kind of novel multifibres of the present embodiment merges, as shown in Figure 8: including feeding plate 1, leading
Flowing plate 2 and spinneret 3 form, the feed liquid cushion chamber 4 being equipped between feeding plate 1 and deflector 2, and feed liquid cushion chamber 4 includes feed liquid
Cushion chamber A41 and feed liquid cushion chamber B42, as shown in Figure 1: feed liquid cushion chamber A41 be set to feeding plate 1 bottom surface, as Fig. 2, Fig. 3,
Shown in Fig. 4: feed liquid cushion chamber B42 is set to the top surface of deflector 2, as shown in Figure 8: feed liquid cushion chamber A41 and feed liquid cushion chamber B42
It is funnel shaped groove structure；Center in feed liquid cushion chamber B42 is additionally provided with plug 24；As illustrated in figures 1 and 8: pan feeding
The top center of plate 1 is provided with the casting solution entrance 11 being connected with feed liquid cushion chamber 4；It is as shown in Figure 4: the bottom surface of deflector 2
It is provided centrally with cylindrical projection 23, as shown in Figure 7: the end face center of spinneret 3 is provided with circular groove 31, as shown in Figure 8: circle
Column protrusion 23 is adapted to form film liquid pressure chamber 5 with circular groove 31；As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 8: setting in deflector 2
There is material liquid flowing channel 21, the quantity of material liquid flowing channel 21 is 5, which is uniformly distributed in feed liquid cushion chamber B and penetrates through
The deflector；The upper road junction of material liquid flowing channel 21 is connected with feed liquid cushion chamber 4, the dirty road junction of the material liquid flowing channel 21
It is connected with film liquid pressure chamber 5, the side of deflector 2 is equipped with core liquid entrance 22, and the bottom centre of deflector 2 is provided with and core
The core liquid diversion pipe group 6 that liquid entrance 22 is connected；As shown in Fig. 8, Fig. 9 and Figure 10: core liquid diversion pipe group 6 is by 3 core liquid water conservancy diversion
The composition of pipe 61 is distributed in isosceles triangle；Core liquid diversion pipe group 6, which is threaded through in the molding hole 32 of spinneret 3, forms film wire molding runners 7；
Film wire molding runners 7 include core liquid diversion pipe group 6 and molding hole group 32, and molding hole group 32 is made of 3 molding holes 33 in product word
Shape distribution, the upper end of core liquid diversion pipe group 6 is fixedly installed in the bottom centre of deflector 2 to be connected with core liquid entrance 22, core
The lower end of liquid diversion pipe group 6, which is arranged in molding hole group 32, forms film wire molding runners 7；Feeding plate 1, deflector 2 and spinneret 3
On both ends be provided with dowel hole 8, by setting positioning pin (not shown) for feeding plate 1, water conservancy diversion in 8 interpolation of dowel hole
Plate 2 and spinneret 3 are fixedly connected with；It is additionally provided with threaded hole 9 on feeding plate 1, deflector 2 and spinneret 3, the threaded hole 9
Quantity is 3 and is distributed in isosceles triangle, by bolt (not shown) respectively from top to bottom by feeding plate 1 and water conservancy diversion in threaded hole 9
Plate 2 is fixedly connected with and is from lower to upper fixedly connected with spinneret 3 and deflector 2, feeding plate 1, deflector 2 and spray
The shape of filament plate 3 is cylindrical structure.
The working principle of the invention is that as shown in Figure 8: casting solution enters from casting solution entrance 11 in spinning process
Feed liquid cushion chamber 4, casting solution be full of entire feed liquid cushion chamber 4, the pressure generated in film liquid pump pressure and feed liquid cushion chamber 4 with
And enter film liquid pressure chamber 5, pressure and again of the casting film liquid stream in film liquid pressure chamber 5 after flowing into material liquid flowing channel 21 under the action of gravity
It flows down under power effect into film wire molding runners 7；At the same time, core liquid flows into core liquid diversion pipe 61 from core liquid entrance 22
Interior, since 61 diameter of core liquid diversion pipe is smaller than the diameter of molding hole 33, core liquid stream is by casting film at 7 mouthfuls of film wire molding runners
Liquid stream surrounds, so that material flow forms tubulose, to form required hollow film fiber silk in process later；Core of the invention
61 quantity of liquid diversion pipe be 3 and suffer each other it is closely located, therefore hollow film fiber silk after molding be 3 film wires be merged into
1, shaped cross is three plum-blossom-valve shapes, and the integral strength of film wire is high, fastness ability is good and filter area is big；In addition of the invention
By being provided with feed liquid cushion chamber 4 and film liquid pressure chamber 5, thus using generated in feed liquid cushion chamber 4 and film liquid pressure chamber 5
Pressure makes the flow velocity promotion of film liquid then accelerate the molding speed of film wire, reduces cost, improves production efficiency.
Claims (10)
1. a kind of hollow tunica fibrosa spinneret that novel multifibres merges, including feeding plate (1), deflector (2) and spinneret (3) group
At, it is characterised in that: the feed liquid cushion chamber (4) being equipped between the feeding plate (1) and the deflector (2), the feeding plate
(1) top center is provided with the casting solution entrance (11) being connected with the feed liquid cushion chamber (4)；The deflector (2) with
It is provided with film liquid pressure chamber (5) between the spinneret (3), is provided with material liquid flowing channel (21), the material in the deflector (2)
The upper road junction in liquid stream road (21) is connected with the feed liquid cushion chamber (4), the dirty road junction of the material liquid flowing channel (21) with it is described
Film liquid pressure chamber (5) is connected, and the side of the deflector (2) is equipped with core liquid entrance (22), in the bottom of the deflector (2)
The heart is provided with the core liquid diversion pipe group (6) being connected with the core liquid entrance (22), and the core liquid diversion pipe group (6) is threaded through spray
Film wire molding runners (7) are formed in the molding hole (33) of filament plate (3).
2. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: the material
Liquid cushion chamber (4) includes feed liquid cushion chamber A (41) and feed liquid cushion chamber B (42), and the feed liquid cushion chamber A (41) enters described in
The bottom surface of flitch (1), the feed liquid cushion chamber B (42) are set to the top surface of the deflector (2), the feed liquid cushion chamber A (41)
It is funnel shaped groove structure with the feed liquid cushion chamber B (42).
3. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: the material
The quantity in liquid stream road (21) is 5, which is uniformly distributed in the feed liquid cushion chamber B (42) and described in perforation
Deflector (2).
4. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 2 merges, it is characterised in that: the material
Plug (24) are provided centrally in liquid cushion chamber B (42).
5. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: described to lead
The bottom center of flowing plate (2) is provided with cylindrical projection (23), and the end face center of the spinneret (3) is provided with circular groove
(31), the cylindrical projection is adapted to form the film liquid pressure chamber (5) with the circular groove (31).
6. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: the core
Liquid diversion pipe group (6) is made of 3 core liquid diversion pipes (61) to be distributed in isosceles triangle.
7. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: the film
Silk molding runners (7) include the core liquid diversion pipe group (6) and the molding hole group (32), and the molding hole group (32) is by 3
Molding hole (33) composition is distributed in isosceles triangle, and the upper end of the core liquid diversion pipe group (6) is fixedly installed on the deflector (2)
It is connected in bottom centre with the core liquid entrance (22), the lower end of the core liquid diversion pipe group (6) is arranged in the molding hole
The film wire molding runners are formed in group.
8. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: it is described enter
Both ends on flitch (1), deflector (2) and spinneret (3) are provided with dowel hole (8), by dowel hole (8) interpolation
If the feeding plate (1), deflector (2) and spinneret (3) are fixedly connected with by positioning pin.
9. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: it is described enter
Threaded hole (9) are additionally provided on flitch (1), deflector (2) and spinneret (3), it is in isosceles triangle which, which is 3,
Distribution, threaded hole (9) is interior to be fixedly connected with one with the deflector (2) for the feeding plate (1) from top to bottom respectively by bolt
It rises and is from lower to upper fixedly connected with the spinneret (3) and the deflector (2).
10. the hollow tunica fibrosa spinneret that a kind of novel multifibres according to claim 1 merges, it is characterised in that: described
The shape of feeding plate (1), deflector (2) and spinneret (3) is cylindrical structure.
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| CN201711416987.5A CN109957847A (en) | 2017-12-25 | 2017-12-25 | A kind of hollow tunica fibrosa spinneret that novel multifibres merges |
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| CN201711416987.5A CN109957847A (en) | 2017-12-25 | 2017-12-25 | A kind of hollow tunica fibrosa spinneret that novel multifibres merges |
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