CN206157285U - Haplopore hollow fiber membrane spinning jet - Google Patents
Haplopore hollow fiber membrane spinning jet Download PDFInfo
- Publication number
- CN206157285U CN206157285U CN201621115462.9U CN201621115462U CN206157285U CN 206157285 U CN206157285 U CN 206157285U CN 201621115462 U CN201621115462 U CN 201621115462U CN 206157285 U CN206157285 U CN 206157285U
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- Prior art keywords
- hole
- buffering ring
- feed liquid
- ground floor
- unhurried current
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
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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 utility model provides a haplopore hollow fiber membrane spinning jet, including spinning jet core and spraying head cover, wherein, the spinning jet core includes the connecting column body who is connected and stretches into the cylinder, it is provided with the buffering ring on the cylinder to stretch into, be provided with the open feed liquid chamber in an upper end in the spraying head cover, stretch into cylinder socket joint in feed liquid intracavity, connecting column body and spraying head cover are connected, the buffering ring closely cooperates with the chamber wall in feed liquid chamber, the buffering ring is provided with the unhurried current hole, or the buffering ring with form the unhurried current circuit between the chamber wall in feed liquid chamber. The utility model discloses a set up two -layer buffering ring, reduce the velocity of flow of feed liquid when spouting thread, make the feed liquid can have the abundant time, be full of whole spinning jet, make the feed liquid more even.
Description
Technical field
This utility model is related to doughnut membrane producing device, in particular it relates to a kind of single hole hollow tunica fibrosa spinneret.
Background technology
Hollow-fibre membrane is the core of the field devices such as water process, Hemodialysis, desalinization, gas separation, liquid separation
Part, is applied to reverse osmosis membrane, micro-filtration membrane, a kind of important new material of the aspect such as NF membrane and ultrafilter membrane, environmentally friendly water process,
The fields such as Hemodialysis, gas separation are gradually increasingly widely applied.As the quality and performance to hollow-fibre membrane will
The raising asked, the increase of demand, domestic existing production technology and equipment are increasingly difficult to meet Production requirement, it is most of according to
Bad import.
High-performance hollow fibrous membrane and improve production efficiency are how produced, production cost is reduced, it has also become in research
Hollow fiber film field is most popular, be also one of problem of most critical.The production forming process of hollow-fibre membrane, simplified summary is just
It is that spinning liquid and core liquid are injected into spinning head from the diverse location of spinning head pedestal, by the special construction inside spinning head,
The thread thing of doughnut-be commonly called as film silk is sprayed from spray webbing skull.From the point of view of whole film-forming process, except membrane equipment and technique are joined
Number is affected outside film silk performance, and the quality of spinning head directly influences some key performances and parameter of film silk.Therefore, to be closed
The hollow fiber film thread of suitable size, outward appearance and function admirable, the nozzle design of high-quality is top priority.
Spinning head of the prior art, with following deficiency：
Firstth, the spinning head for currently using without buffering ring, so can not well solve the uneven feelings of feed liquid mostly
Condition, feed liquid is uneven, and out thickness is just inconsistent for film silk, and so, film silk is easily broken off, and two, the face of film silk filter water
Product is had a greatly reduced quality, and flux does not reach design standard；
Secondth, for part design is by the way of porous vertical feeding, but because vertical direction is equipped with hole, spinning head
Volume cannot reduce, it is impossible to be assembled into modular multi-holed jet, and efficiency is difficult to be lifted.
3rd, spinning head is in shutdown and when safeguarding, needs take cleaning apart, used spinning head, due to using it is accurate tightly
The vac sorb effect of cooperation and feed liquid in spray webbing silk head cavity body, even if pulling down screw entirely, is still difficult to take apart, present base
It is arduously to be opened with tamper tool or the very consummate technical staff of needs on this, this method is because exert oneself uneven, spinning head
Core body is yielding, being dismounted for multiple times it is difficult to ensure that the concentricity of spinning head so that spinnerette film silk out just occurs partially
The heart.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of single hole hollow tunica fibrosa spinneret.
According to the single hole hollow tunica fibrosa spinneret that this utility model is provided, including spinning head core body and nozzle cap；
Wherein, the spinning head core body includes the connection cylinder being connected and stretches into cylinder；Described being stretched into arrange on cylinder
There is buffering ring；
The open feed liquid chamber in a upper end is provided with the nozzle cap, cylinder socket joint is stretched in feed liquid intracavity, the connection
Cylinder is connected with nozzle cap；
The buffering ring is fitted close with the cavity wall in feed liquid chamber, and the buffering ring is provided with unhurried current hole；Or the buffering ring
Unhurried current circuit is formed and the cavity wall in the feed liquid chamber between.
Preferably, the buffering ring is the ground floor buffering ring and second layer buffering ring being disposed adjacent successively；
Ground floor unhurried current hole, or the ground floor buffering ring and the feed liquid chamber are provided with the ground floor buffering ring
Ground floor unhurried current circuit is formed between cavity wall；
Second layer unhurried current hole, or the second layer buffering ring and the feed liquid chamber are provided with the second layer buffering ring
Second layer unhurried current circuit is formed between cavity wall.
Preferably, the bottom for stretching into cylinder is provided with needle tubing；
It is provided with the spinning head core body and is sequentially communicated core liquid inlet and core liquid runner；The needle tubing connects the core
Liquid runner.
Preferably, the side of the nozzle cap is horizontally arranged with the feed liquid inlet in connection feed liquid chamber.
Preferably, the minimum diameter of the feed liquid inlet is Φ a, and a diameter of Φ b in ground floor unhurried current hole, the second layer delays
A diameter of Φ c of discharge orifice, the internal diameter in feed liquid chamber is Φ d, a diameter of Φ e of ground floor buffering ring, a diameter of Φ of second layer buffering ring
F,
Wherein, as Φ d=Φ e=Φ f, be provided with the ground floor buffering ring ground floor unhurried current hole, described second
When second layer unhurried current hole is set on layer buffering ring, π (Φ a/2)2>2π(Φb/2)2>4π(Φc/2)2；
As Φ e and Φ f<During Φ d, ground floor unhurried current is formed between the cavity wall in the ground floor buffering ring and the feed liquid chamber
When second layer unhurried current circuit is formed between the cavity wall in orifice ring road, the second layer buffering ring and the feed liquid chamber, π (Φ a/2)2>π
((Φd/2)2-(Φe/2)2), and Φ f>Φe；
As Φ e<When Φ d and Φ f=Φ d, between the cavity wall in the ground floor buffering ring and the feed liquid chamber first is formed
Layer unhurried current circuit, when second layer unhurried current hole is set on the second layer buffering ring, π (Φ a/2)2>π((Φd/2)2-(Φe/2)2)
>4π(Φc/2)2；
As Φ e=Φ d and Φ f<During Φ d, ground floor unhurried current hole, the second layer are provided with the ground floor buffering ring
When second layer unhurried current circuit is formed between the cavity wall in buffering ring and the feed liquid chamber, π (Φ a/2)2>2π(Φb/2)2>π((Φd/
2)2-(Φf/2)2)。
Preferably, the bottom of the nozzle cap is provided with and connects with feed liquid chamber and concentric spray webbing forming hole；
Needle tubing is located in spray webbing forming hole；The needle tubing is coaxially disposed with the spray webbing forming hole.
Preferably, it is described connection cylinder circumferentially direction be provided be connected counter sink, by hole, it is described to be set by hole
The first screwed hole is set to, the nozzle cap is provided with second screwed hole corresponding with first screwed hole；
Preferably, with diameter greater than the second screw thread bore dia, the first screw thread bore dia is less than counter bore diameter to the first screwed hole.
The connection cylinder is provided with the first pin-and-hole；The nozzle cap is provided with second corresponding with first pin-and-hole
Pin-and-hole.
Preferably, the bottom for stretching into cylinder is provided with taper intermediate incline with needle tubing joining place；
The feed liquid chamber is provided with taper transition groove with spray webbing forming hole joining place.
Compared with prior art, this utility model has following beneficial effect：
1st, this utility model reduces flow velocity of the feed liquid in spray webbing by arranging two-layer buffering ring, feed liquid is had fully
Time, full of whole spinning head, make feed liquid more uniform；
2nd, this utility model is by the way that in counter sink, by being threaded on hole, when spinning head is taken apart, elder generation is complete screw
After pulling down, it is screwed in all counter sinks and the screw matched by screw thread on hole, because this screw is more than on spinning head
Screw hole, when screw is screwed at nozzle cap, can back down nozzle cap, in order to ensure that part is indeformable, need alternately slow successively
Be screwed into screw, slowly nozzle cap with almost all the time with spinning head core body connection cylinder keeping parallelism direction back down.This
The method of kind is easy to operate, and the physical life of spinning head is extended well.
Description of the drawings
By reading the detailed description made to non-limiting example with reference to the following drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation in one direction of single hole hollow tunica fibrosa spinneret in this utility model first embodiment；
Fig. 2 is cross-sectional schematics of the Fig. 1 along A-A directions；
Fig. 3 is cross-sectional schematics of the Fig. 2 along B-B directions；
Fig. 4 is the close-up schematic view of I parts in Fig. 1；
Fig. 5 (a), Fig. 5 (b) show the structural representation of spinning head core body in single hole in this utility model first embodiment
Figure；
Fig. 6 shows the structural representation of nozzle cap in this utility model first embodiment；
Fig. 7 shows the cross section structure schematic diagram of single hole hollow tunica fibrosa spinneret in this utility model second embodiment；
Fig. 8 (a), Fig. 8 (b) show the section knot of single hole hollow tunica fibrosa spinneret in this utility model 3rd embodiment
Structure schematic diagram；
Fig. 9 shows the cross section structure schematic diagram of single hole hollow tunica fibrosa spinneret in this utility model fourth embodiment；
Figure 10, Figure 11 show that the cross section structure of single hole hollow tunica fibrosa spinneret in the embodiment of this utility model the 5th shows
It is intended to；
Figure 12 (a), 12 (b) and Figure 13 (a), 13 (b) show single hole doughnut in this utility model sixth embodiment
The cross section structure schematic diagram of film spinning head；
Figure 14 (a), 14 (b) show the section knot of single hole hollow tunica fibrosa spinneret in the embodiment of this utility model the 7th
Structure schematic diagram.
In figure：
1- spinning head core bodys；2- nozzle caps；10- stretches into cylinder；11- core liquid inlets；12- connects cylinder；13- core liquid streams
Road；14- ground floor buffering rings；15- second layer buffering rings；16- taper intermediate inclines；17- needle tubings；18- ground floors unhurried current hole；
19- second layers unhurried current hole；21- feed liquid inlets；22- feed liquids chamber；23- taper transition grooves；24- spray webbing forming holes.
Specific embodiment
This utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands this utility model, but does not limit this utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some deformations and improvement can also be made.
These belong to protection domain of the present utility model.
Fig. 1 to Fig. 6 illustrates the structural representation of single hole hollow tunica fibrosa spinneret in this utility model first embodiment；
In the present embodiment, the single hole hollow tunica fibrosa spinneret that this utility model is provided, including spinning head core body 1 and nozzle cap 2；
Wherein, the spinning head core body 1 includes the connection cylinder 12 being connected and stretches into cylinder 10；It is described to stretch into cylinder 10
On be provided with buffering ring；
The open feed liquid chamber 22 in a upper end is provided with the nozzle cap 2, the socket joint of cylinder 10 is stretched in feed liquid chamber 22, institute
State connection cylinder 12 to be connected with nozzle cap 2；The buffering ring is fitted close with the cavity wall in feed liquid chamber 22；The buffering ring is provided with
Caching hole.
The buffering ring is the ground floor buffering ring 14 and second layer buffering ring 15 being disposed adjacent successively；
Two ground floor unhurried current holes 18 are provided with the ground floor buffering ring 14, are arranged on the second layer buffering ring 15
There are four second layer unhurried current holes 19.
The bottom for stretching into cylinder 10 is provided with needle tubing 17；
It is provided with the spinning head core body and is sequentially communicated core liquid inlet 11 and core liquid runner 13；The needle tubing 17 is connected
The core liquid runner 13.
The side of the nozzle cap 2 is horizontally arranged with the feed liquid inlet 21 in connection feed liquid chamber 22.
The minimum diameter of the feed liquid inlet is Φ a, and ground floor flows slowly a diameter of Φ b in hole, second layer unhurried current hole
A diameter of Φ c, wherein, π (Φ a/2)2>2π(Φb/2)2>4π(Φc/2)2。
The bottom of the nozzle cap 2 is provided with and connects with feed liquid chamber 22 and concentric spray webbing forming hole 24；
Needle tubing 17 is located in spray webbing forming hole 24；The needle tubing 17 is coaxially disposed with the spray webbing forming hole 24.
The connection cylinder 12 circumferentially direction be provided be connected counter sink, by hole, it is described to arrange the by hole
One screwed hole, the nozzle cap 2 is provided with second screwed hole corresponding with first screwed hole；
First screwed hole is less than counter bore diameter with diameter greater than the second screw thread bore dia, the first screw thread bore dia.
The connection cylinder 12 is provided with the first pin-and-hole；The nozzle cap 2 is provided with corresponding with first pin-and-hole
Second pin-and-hole.
The bottom for stretching into cylinder 10 is provided with taper intermediate incline 16 with needle tubing joining place；
The feed liquid chamber 22 is provided with taper transition groove 23 with the joining place of spray webbing forming hole 24.
Fig. 7 illustrates the structural representation of the single hole hollow tunica fibrosa spinneret according to second embodiment of the present utility model,
The present embodiment can be interpreted as those skilled in the art a change case of embodiment illustrated in fig. 2, specifically, the present embodiment with
The difference part of embodiment illustrated in fig. 2 is, in the present embodiment, the chamber in the ground floor buffering ring 14 and the feed liquid chamber 22
Ground floor unhurried current circuit 18 is formed between wall, between the second layer buffering ring 15 and the cavity wall in the feed liquid chamber 22 second is formed
Layer unhurried current circuit 19.The minimum diameter of the feed liquid inlet is Φ a, and the internal diameter in feed liquid chamber 22 is Φ d, ground floor buffering ring 14
A diameter of Φ e, diameter of phi f of second layer buffering ring 15, π (Φ a/2)2>π((Φd/2)2-(Φe/2)2), and Φ f>Φe.
Fig. 8 (a), 8 (b) illustrate the structure of the single hole hollow tunica fibrosa spinneret according to 3rd embodiment of the present utility model
Schematic diagram, those skilled in the art can be interpreted as the present embodiment combining a change of first embodiment and second embodiment
Example, specifically, in the present embodiment spray webbing header structure is differred primarily in that has one layer to have one with feed liquid chamber in the buffering ring of two-layer
Fixed gap, and unhurried current hole is provided with other one layer of buffering ring, and meet π (Φ a/2)2>π((Φd/2)2-(Φe/2
)2)>4π(Φc/2)2Or π (Φ a/2)2>2π(Φb/2)2>π((Φd/2)2-(Φf/2)2)。
Fig. 9 illustrates the structural representation of the single hole hollow tunica fibrosa spinneret according to fourth embodiment of the present utility model,
The present embodiment can be interpreted as those skilled in the art a change case of second and third embodiments, specifically, this enforcement
It is in place of example and the difference of second and third embodiments illustrated embodiment, in the present embodiment, ground floor buffering ring 14 and the
Two layers of buffering ring 15 can be set to arc-shaped in its end when buffering circuit is formed.
Figure 10 and Figure 11 illustrate the structure of the single hole hollow tunica fibrosa spinneret according to the 5th embodiment of the present utility model
The present embodiment can be interpreted as schematic diagram, those skilled in the art a change case of first to fourth embodiment, specifically, this
It is in place of embodiment and the difference of first to fourth illustrated embodiment, in the present embodiment, the two sides of ground floor buffering ring 14
Transition arc is provided between the side wall for stretching into cylinder 10；
The upper side of second layer buffering ring 15 and stretch into cylinder 10 side wall between be provided with transition arc.
Figure 12 (a), 12 (b) and Figure 13 (a), 13 (b) illustrate hollow according to the single hole of sixth embodiment of the present utility model
The present embodiment can be interpreted as the structural representation of fibrous membrane spinning head, those skilled in the art the one of the first to five embodiment
Individual change case, specifically, be in place of the present embodiment and the difference of the first to five illustrated embodiment, in the present embodiment, feed liquid
The quantity of inlet 21 is that 4 or multiple circumferences along the nozzle cap 2 are uniformly distributed.
Figure 14 (a), 14 (b) illustrate the knot of the single hole hollow tunica fibrosa spinneret according to the 7th embodiment of the present utility model
The present embodiment can be interpreted as structure schematic diagram, those skilled in the art a change case of the first to six embodiment, specifically,
The present embodiment is that in the present embodiment, this utility model overall dimensions subtract with the difference part of the first to six illustrated embodiment
Little, spinning head core body no longer arranges screw hole and pin hole with nozzle cap, but adopts welding, and the mode such as bonding connects.
The method for dismounting of the single hole hollow tunica fibrosa spinneret that this utility model is provided, comprises the steps：
Step S1：After the first screw in first screwed hole and the second screwed hole is all pulled down；
Step S2：The second screw with the first corresponding threaded holes is screwed in the first screwed hole, it is straight due to the second screw
Footpath is more than the first screwed hole, when the first screw is screwed at nozzle cap, then backs down nozzle cap.
In order to ensure that part is indeformable, need alternately slowly to be screwed into the second screw successively, slowly nozzle cap with almost
All the time back down with the direction of the connector keeping parallelism of spinning head core body.This method is easy to operate, and spray webbing is extended well
The service life of head.
The course of work of the single hole hollow tunica fibrosa spinneret that this utility model is provided is specifically, in spinning process, expect
Liquid flows into nozzle cap 2 from feed liquid inlet 21, and feed liquid chamber 22 and the structure of ground floor buffering ring 14 are entered under pressure and action of gravity
Into first circular passage, and flow slowly hole or unhurried current circuit 18 by ground floor under gravity, flow into the He of feed liquid chamber 22
The second circular passage that second layer buffering ring 15 is constituted, then it is slow at the uniform velocity flow slowly hole or the circuit 19 that flows slowly by the second layer,
Even is sprayed in the form of feed liquid stream from spray webbing forming hole 24.On the other hand, core liquid is flowed into from core liquid inlet 11, in pressure and
Through core liquid runner 13 in the presence of gravity, flow out from needle tubing 17.
Because the diameter of needle tubing 17 is less than the diameter of spray webbing forming hole 24, therefore core liquid stream surrounded by feed liquid stream so that material
Liquid stream forms tubulose, so as to form required hollow film fiber silk in the operation after.
Specific embodiment of the utility model is described above.It is to be appreciated that this utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can within the scope of the claims make various modifications or modification,
This has no effect on flesh and blood of the present utility model.
Claims (9)
1. a kind of single hole hollow tunica fibrosa spinneret, it is characterised in that including spinning head core body (1) and nozzle cap (2)；
Wherein, the spinning head core body (1) is including the connection cylinder (12) being connected and stretches into cylinder (10)；It is described to stretch into cylinder
(10) buffering ring is provided with；
The open feed liquid chamber (22) in a upper end is provided with the nozzle cap (2), cylinder (10) socket joint is stretched in feed liquid chamber (22)
Interior, connection cylinder (12) is connected with nozzle cap (2)；
The buffering ring is fitted close with the cavity wall in feed liquid chamber (22), and the buffering ring is provided with unhurried current hole；Or the buffering ring
Unhurried current circuit is formed and the cavity wall of the feed liquid chamber (22) between.
2. single hole hollow tunica fibrosa spinneret according to claim 1, it is characterised in that the buffering ring is adjacent successively
The ground floor buffering ring (14) and second layer buffering ring (15) of setting；
Be provided with the ground floor buffering ring (14) ground floor unhurried current hole (18), or the ground floor buffering ring (14) with it is described
Ground floor unhurried current circuit (18) is formed between the cavity wall in feed liquid chamber (22)；
Second layer unhurried current hole (19), or the second layer buffering ring (15) and the material are set on the second layer buffering ring (15)
Second layer unhurried current circuit (19) is formed between the cavity wall of sap cavity (22).
3. single hole hollow tunica fibrosa spinneret according to claim 1, it is characterised in that the bottom for stretching into cylinder (10)
End is provided with needle tubing (17)；
It is provided with the spinning head core body and is sequentially communicated core liquid inlet (11) and core liquid runner (13)；The needle tubing (17) is even
Lead to the core liquid runner (13).
4. single hole hollow tunica fibrosa spinneret according to claim 2, it is characterised in that the side of the nozzle cap (2)
It is horizontally arranged with the feed liquid inlet (21) of connection feed liquid chamber (22).
5. single hole hollow tunica fibrosa spinneret according to claim 4, it is characterised in that the minimum of the feed liquid inlet
A diameter of Φ a, ground floor flows slowly a diameter of Φ b in hole, and the second layer flows slowly a diameter of Φ c in hole, and the internal diameter of feed liquid chamber (22) is
Φ d, a diameter of Φ e of ground floor buffering ring (14), a diameter of Φ f of second layer buffering ring (15),
Wherein, as Φ d=Φ e=Φ f, ground floor unhurried current hole (18) is provided with the ground floor buffering ring (14), it is described
When second layer unhurried current hole (19) are set on second layer buffering ring (15), π (Φ a/2)2>2π(Φb/2)2>4π(Φc/2)2；
As Φ e and Φ f<During Φ d, between the ground floor buffering ring (14) and the cavity wall of the feed liquid chamber (22) ground floor is formed
Unhurried current circuit (18), forms second layer unhurried current circuit between the second layer buffering ring (15) and the cavity wall of the feed liquid chamber (22)
(19) when, π (Φ a/2)2>π((Φd/2)2-(Φe/2)2), and Φ f>Φe；
As Φ e<When Φ d and Φ f=Φ d, formed between the ground floor buffering ring (14) and the cavity wall of the feed liquid chamber (22)
Ground floor unhurried current circuit (18), when second layer unhurried current hole (19) are set on the second layer buffering ring (15), π (Φ a/2)2>π
((Φd/2)2-(Φe/2)2)>4π(Φc/2)2；
As Φ e=Φ d and Φ f<It is provided with ground floor unhurried current hole (18) during Φ d on the ground floor buffering ring (14), described the
When second layer unhurried current circuit (19) are formed between two layers of buffering ring (15) and the cavity wall of the feed liquid chamber (22), π (Φ a/2)2>2π
(Φb/2)2>π((Φd/2)2-(Φf/2)2)。
6. single hole hollow tunica fibrosa spinneret according to claim 1, it is characterised in that the bottom of the nozzle cap (2)
It is provided with and connects with feed liquid chamber (22) and concentric spray webbing forming hole (24)；
Needle tubing (17) is located in spray webbing forming hole (24)；The needle tubing (17) is coaxially disposed with the spray webbing forming hole (24).
7. single hole hollow tunica fibrosa spinneret according to claim 1, it is characterised in that the connection cylinder (12) is along week
Be provided with to direction be connected counter sink, by hole, described to be arranged to the first screwed hole by hole, the nozzle cap (2) sets
It is equipped with second screwed hole corresponding with first screwed hole；
Connection cylinder (12) is provided with the first pin-and-hole；The nozzle cap (2) is provided with corresponding with first pin-and-hole
Second pin-and-hole.
8. single hole hollow tunica fibrosa spinneret according to claim 7, it is characterised in that the first screwed hole is with diameter greater than
Two screw thread bore dias, the first screw thread bore dia is less than counter bore diameter.
9. single hole hollow tunica fibrosa spinneret according to claim 1, it is characterised in that the spinning head core body (1) with
Using welding or bonding connection between nozzle cap (2)；
Or, the spinning head core body (1) is structure as a whole with nozzle cap (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016106757724 | 2016-08-16 | ||
| CN201610675772 | 2016-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157285U true CN206157285U (en) | 2017-05-10 |
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ID=58653036
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610889193.XA Pending CN106400145A (en) | 2016-08-16 | 2016-10-11 | Single-hole hollow fiber membrane spinning nozzle and detaching method |
| CN201621115462.9U Active CN206157285U (en) | 2016-08-16 | 2016-10-11 | Haplopore hollow fiber membrane spinning jet |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610889193.XA Pending CN106400145A (en) | 2016-08-16 | 2016-10-11 | Single-hole hollow fiber membrane spinning nozzle and detaching method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400145A (en) * | 2016-08-16 | 2017-02-15 | 上海湛信科技发展有限公司 | Single-hole hollow fiber membrane spinning nozzle and detaching method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653501A (en) * | 2017-10-12 | 2018-02-02 | 天津膜天膜科技股份有限公司 | The spinneret of more endoporus runners and its application |
| CN108517574B (en) * | 2018-06-04 | 2023-09-29 | 宁波建嵘科技有限公司 | Spliced hollow fiber membrane spinneret |
| CN108547008A (en) * | 2018-06-04 | 2018-09-18 | 宁波建嵘科技有限公司 | A kind of in line combined type spinning head |
| CN109722752B (en) * | 2018-12-27 | 2021-06-08 | 北京光华纺织集团有限公司 | Combined yarn for weaving soft wear-resistant multicolor denim and denim |
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| JP2001248012A (en) * | 2000-03-02 | 2001-09-14 | Jukankyo Kojo Jumoku Seibun Riyo Gijutsu Kenkyu Kumiai | Hollow fiber having fine protrusion on surface |
| CN201962437U (en) * | 2011-01-27 | 2011-09-07 | 北京时代沃顿科技有限公司 | Spinning head |
| CN204251782U (en) * | 2014-11-26 | 2015-04-08 | 上海湛信精密机械有限公司 | A kind of novel inner-intubation porous hollow fiber membrane spinning head |
| CN205368568U (en) * | 2016-03-09 | 2016-07-06 | 上海湛信精密机械有限公司 | Enhancement mode haplopore hollow fiber membrane spinning jet |
| CN105671660A (en) * | 2016-04-17 | 2016-06-15 | 上海湛信精密机械有限公司 | Novel top feed liquid inlet multi-hole hollow fiber membrane spinning nozzle |
| CN106400145A (en) * | 2016-08-16 | 2017-02-15 | 上海湛信科技发展有限公司 | Single-hole hollow fiber membrane spinning nozzle and detaching method |
-
2016
- 2016-10-11 CN CN201610889193.XA patent/CN106400145A/en active Pending
- 2016-10-11 CN CN201621115462.9U patent/CN206157285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400145A (en) * | 2016-08-16 | 2017-02-15 | 上海湛信科技发展有限公司 | Single-hole hollow fiber membrane spinning nozzle and detaching method |
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