CN201962437U - Spinning head - Google Patents
Spinning head Download PDFInfo
- Publication number
- CN201962437U CN201962437U CN2011200281810U CN201120028181U CN201962437U CN 201962437 U CN201962437 U CN 201962437U CN 2011200281810 U CN2011200281810 U CN 2011200281810U CN 201120028181 U CN201120028181 U CN 201120028181U CN 201962437 U CN201962437 U CN 201962437U
- Authority
- CN
- China
- Prior art keywords
- spinning head
- nozzle block
- sprayer body
- needle tubing
- core liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 abstract description 23
- 239000002002 slurry Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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Abstract
The utility model provides a spinning head (1) which is used for spinning a hollow fibre film silk. The spinning head (1) comprises a nozzle base (10) and a nozzle (2), wherein the nozzle (2) is detachably connected with the nozzle base (10). The spinning head (1) also comprises a spray head body (40), wherein the nozzle base (10) is detachably connected with the spray head body (40), and an aligning device is arranged on the spray head body (40). With the adoption of the spinning head, the nozzle is convenient to assembly, disassemble and replace, and the axiality of a core liquid needle tube and a spray orifice of the spray head body can be adjusted to improve the quality of the film silk.
Description
Technical field
The application relates to a kind of spinning head, relates to a kind of spinning head that is used to spin the hollow-fibre membrane silk particularly, relates more specifically to a kind of detachable replacing formula doughnut that can convenient accurate aligning and spins film silk spinning head.
Background technology
Doughnut is a kind of important membrane material in the membrane separation technique, is widely used in fields such as water treatment, health care, food processing, chemical industry, electronics.For obtaining the separating film module of various excellent performances, it also is one of the problem of most critical that the exploitation of high performance membrane silk has become the hollow fiber separating film field the most popular.From the spinning process of whole film silk, except that the technical recipe adjustment in later stage, spinning has also directly determined some key parameters of hollow membrane silk such as cross section diameter, wall thickness, and evenness of wall thickness etc. with the quality of spinning head.Therefore, obtain suitable dimension and specious hollow-fibre membrane silk, the design of high-quality spinning head is a top priority.
As shown in Figure 1, Chinese utility model patent discloses a kind of so existing spinning head No. 92215496.1.This spinning head comprises shower nozzle back seat 1 ', sprayer body 2 ', nozzle block 3 ' and jet pipe 4 '.Jet pipe 4 ' is riveted on the nozzle block 3 ', and nozzle block 3 ' is sleeved on the shower nozzle back seat 1 ', sprayer body 2 ' and the 1 ' assembling of shower nozzle back seat.Because jet pipe 4 ' is riveted on the nozzle block 3 ', therefore when needs replacing jet pipe 4 ', must be with jet pipe 4 ' with nozzle block 3 ' replacing.Yet there is following problem in existing spinning head:
When 1, needing to change jet pipe because of jet pipe obstruction or other reasons, must change together with nozzle block, waste greatly and change inconvenient;
2, because jet pipe is thinner, so it is with the welding of nozzle block or to rivet difficulty bigger, and is easy to generate distortion;
3, can not carry out aligning to spinning head.For obtaining required coaxial precision, need carry out high-precision processing to jet pipe and nozzle block, even may need in some cases, so cost to be higher to very manufacturer's customization of specialty, fabrication cycle is longer.
The utility model content
In view of above problem, the application provides a kind of spinning head, is used to spin the hollow-fibre membrane silk, it is characterized in that, described spinning head comprises nozzle block and jet pipe, and described jet pipe and described nozzle block removably connect.Be convenient to the dismounting and the replacing of jet pipe thus.
Preferably, described jet pipe can be threaded with described nozzle block.
Preferably, described jet pipe can comprise core liquid needle tubing and adapter, and described core liquid needle tubing and described adapter removably connect, and described adapter and described nozzle block removably connect.Thus, when needs replacing core liquid needle tubing, only need pull down core liquid needle tubing and can and also will change miscellaneous part or the structure that is connected with core liquid needle tubing need not in prior art, thereby make things convenient for replacing, reduce use cost.
Preferably, described core liquid needle tubing can be press-fitted with described adapter and be connected.
Preferably, described spinning head also comprises sprayer body, and described nozzle block and described sprayer body removably connect, and are provided with aligning device on described sprayer body.Thus, can adjust, to improve the quality of film silk the axiality of the spray orifice of core liquid needle tubing and sprayer body.
Preferably, described aligning device can be the screw-type aligning device.In addition, the screw-type aligning device can comprise: 3 with upper screwed hole, uniformly-spaced runs through in the perisporium that is arranged on described sprayer body; And 3 above aligning screws, be screwed in the screwed hole respectively and terminal outer peripheral face against described nozzle block.
In addition, the screw-type aligning device can comprise: 2 screwed holes, and 90 ° of intervals are run through in the perisporium that is arranged on described sprayer body; 2 aligning screws are screwed in the screwed hole respectively and terminal outer peripheral face against described nozzle block; And 2 flexible members, between the outer peripheral face that is pressed on nozzle block and the inner peripheral surface of sprayer body and radially relative with above-mentioned 2 aligning screws respectively, the both sides of each flexible member are pressed the outer peripheral face of nozzle block and the inner peripheral surface of sprayer body respectively.
Preferably, described core liquid needle tubing can adopt the needle tubing that meets CNS GB 18457-2001.Thus, can use the needle tubing of existing standard specification and need not customization, thereby be convenient to safeguard and change, and can reduce product cost.
Description of drawings
Fig. 1 is the cutaway view of the spinning head of prior art;
Fig. 2 is the front view of the application's spinning head;
Fig. 3 is the cutaway view of the spinning head of Fig. 2;
Fig. 4 is the vertical view of the spinning head of Fig. 2;
Fig. 5 is the vertical view of the nozzle block among Fig. 2;
Fig. 6 is the front view of the sprayer body among Fig. 2;
Fig. 7 is the vertical view of the sprayer body of Fig. 6; And
Fig. 8 is the A-A cutaway view of the sprayer body of Fig. 6.
List of reference signs
1 spinning head; 10 nozzle blocks; 11 pedestal holes; 12 locking holes; 2 jet pipes; 20 adapters; 21 connect the duct; 22 first ends; 23 second ends; 30 core liquid needle tubings; 40 sprayer bodies; 41 spray orifices; 42 buildup chambeies; 43 taper surfaces; 44 charging holes; 45 installation cavitys; 46 screwed holes; 47 axial pass-through holes; 50 lock-screws; 60 aligning screws; 70 core liquid feed pipes; 80 slurry feed pipes
The specific embodiment
With reference to Fig. 2, the spinning head 1 of assembling comprises nozzle block 10, jet pipe 2 and sprayer body 40, and jet pipe 2 removably connects with nozzle block 10.
In one embodiment, as shown in Figure 2, for example jet pipe 2 is threaded with nozzle block 10.But can also adopt other connected modes, as be press-fitted connection, snap joint connection etc.
In one embodiment, as shown in Figure 2, jet pipe 2 comprises core liquid needle tubing 30 and adapter 20.Core liquid needle tubing 30 removably connects with adapter 20, and adapter 20 removably connects with nozzle block 10.
Particularly, as Fig. 3 and shown in Figure 5, nozzle block 10 is provided with pedestal hole 11 along axis X-X.On the one hand, the upper end in pedestal hole 11 can removably connect with core liquid feed pipe 70, flows into for core liquid; On the other hand, the lower end in pedestal hole 11 can removably connect with adapter 20, further flows through adapter 20 for core liquid.
The top and bottom that figure 3 illustrates pedestal hole 11 are equipped with internal thread, thereby matching to form with the corresponding external screw thread with core liquid feed pipe 70 and adapter 20 is tightly connected.In other embodiments, can formation be above-mentioned is tightly connected by other connected modes such as snap joint connection etc.
As shown in Figure 3, adapter 20 is provided with along axis X-X and connects duct 21.First end 22 of adapter 20 removably connects with the lower end of nozzle block 10.
Core liquid needle tubing 30 removably connects by second end 23 of its needle stand and adapter 20, makes the syringe tip of this core liquid needle tubing 30 be positioned at the spray orifice 41 of sprayer body 40 (will be described below).In the embodiment shown in fig. 3, core liquid needle tubing 30 is by being press-fitted on second end 23 that is connected adapter 20, and formation removably connects.In other embodiments, core liquid needle tubing 30 can also be threaded with adapter 20.
Be provided with the duct (not shown) of axial perforation in the core liquid needle tubing 30, flow through for core liquid.Like this, nozzle block 10, adapter 20 and the core liquid needle tubing 30 of fluid connection have constituted the passage that flows through for the core liquid from core liquid feed pipe 70.
According to the utility model, core liquid needle tubing 30 can use the various standard needle tubings of existing specification, and need not customization.For example, core liquid needle tubing 30 can be the needle tubing that meets CNS GB18457-2001 (" making medical stainless steel needle tubing "), can be that needle tubing external diameter specification is the needle tubing of 11G to 30G particularly.
In addition, also can suitably design, so that the needle stand of itself and selected core liquid needle tubing 30 matches according to second end 23 of the 30 pairs of adapters 20 of core liquid needle tubing that adopted.
As shown in Figure 8, be provided with the cavity of open-top in the sprayer body 40.This cavity comprises the installation cavity 45 on top and the buildup chamber 42 of the bottom that is communicated with installation cavity 45.In the example shown in the figure, installation cavity 45 is for cylindrical and open-top and be used to hold nozzle block 10, buildup chamber 42 cylindrical generally and with installation cavity 45 coaxial settings, promptly the two all is provided with along axis X-X.The radial dimension of installation cavity 45 (diameter) makes to form annular mounting plane in the bottom of installation cavity 45 greater than the radial dimension (diameter) in buildup chamber 42, settles thereon for nozzle block 10.
As shown in Figure 3, nozzle block 10 is by lock-screw 50 and sprayer body 40 axial lockings, and wherein lock-screw 50 passes the axial pass-through holes 47 of sprayer body 40 and is screwed in the locking hole 12 of nozzle block 10.As Fig. 3, Fig. 5 and shown in Figure 7,4 axial pass-through holes 47 uniformly-spaced axially run through around axis X-X and are arranged in the sprayer body 40, and 4 locking holes 12 are arranged in the nozzle block 10 in the mode of aiming at axial pass-through holes 47.In other embodiments, axial pass-through holes 47 and locking hole 12 can be other quantity, as 1,3,5 etc.
In other embodiments, nozzle block 10 can also be by Flexible clamp etc. and sprayer body 40 axial lockings.
As shown in Figure 6, with 42 corresponding positions, buildup chamber, the charging hole 44 that radially is provided with perforation makes slurries flow in the buildup chamber 42 via slurry feed pipe 80 under pressure to be connected with slurry feed pipe 80 in sprayer body 40.
As shown in Figure 8, be provided with the spray orifice 41 of perforation along axis X-X in sprayer body 40 bottoms.One end of this spray orifice 41 is communicated with buildup chamber 42 fluids, and the other end is opened to the outside of sprayer body 40.Under the assembled state of sprayer body 40, the needle tubing of core liquid needle tubing 30 is positioned at spray orifice 41 coaxially.
In addition, the bottom in buildup chamber 42 also is provided with the taper surface 43 towards spray orifice 41 convergents, thereby forms infundibulate in the bottom in buildup chamber 42.
In spray silk process, the slurries of inflow can be stored in the buildup chamber 42, are spraying from sprayer body 40 via the form of spray orifice 41 with slurry stream under the effect of pressure and gravity and under the guiding of above-mentioned taper surface 43.On the other hand, core liquid flows through the passage that is made of nozzle block 10, adapter 20 and core liquid needle tubing 30 and leaves core liquid needle tubing 30 under the effect of pressure and gravity, and the form that flows with core liquid flows out from spray orifice 41.
Because the channel diameter of core liquid needle tubing 30 is littler than the diameter of spray orifice 41, so core liquid stream centered on by slurry stream, makes slurry stream form tubulose, thus can after form required hollow membrane filament in the operation.Thereby core liquid needle tubing 30 is vital with respect to the axiality of spray orifice 41 for the uniform hollow membrane fiber of formation wall thickness.
Requirement according to productivity ratio, can carry out suitable selection to slurries and core liquid discharge pressure separately, and the size to the buildup chamber 42 of sprayer body 40 is suitably selected so that buildup chamber 42 has suitable volume, and then make in the operating process of spray silk, keep the slurries of storage suitable capacity in the buildup chamber 42 always, thereby slurries can be stablized and ejection equably.In some embodiments, the degree of depth in buildup chamber 42 can be in 20mm in the scope of 30mm, and the diameter in buildup chamber 42 can be in 10mm in the scope of 20mm.
Spinning head 1 according to the application can also comprise the aligning device that is used to carry out the aligning operation, thereby can carry out aligning to spinning head 1 before spraying the silk operation, so that the core liquid needle tubing 30 and the axiality of spray orifice 41 are adjusted.
In one embodiment, this aligning device is the screw-type aligning device, promptly engages the device of realizing aligning by screw with corresponding internal thread.The screw-type aligning device can comprise: 3 with upper screwed hole, uniformly-spaced runs through in the perisporium that is arranged on sprayer body 40; And 3 above aligning screws, screw respectively in above-mentioned screwed hole and terminal outer peripheral face against nozzle block 10.
Screw-type aligning device shown in Figure 3 comprises: 4 screwed holes 46, uniformly-spaced run through in the perisporium that is arranged on sprayer body 40; And 4 aligning screws 60, distinguish in the rotary screwing thread hole 46 and terminal outer peripheral face against nozzle block 10.In other embodiments, screwed hole and aligning screw can also be respectively for example 5 or more.
With reference to Fig. 4 the operation of aligning device is described, on the one hand, by screwing an aligning screw and unscrewing that aligning screw radially relative with it, nozzle block 10 is moved radially with respect to sprayer body 40 in the installation cavity 45 of sprayer body 40, promptly on the direction vertical, move, thereby make the core liquid needle tubing 30 that is connected with nozzle block 10 by adapter 20 move M1 with respect to sprayer body 40 with axis X-X; On the other hand, screw remaining a pair of aligning screw in an identical manner, make core liquid needle tubing 30 with respect to sprayer body 40 mobile M2 on the direction vertical with mobile M1.Thus, can adjust the core liquid needle tubing 30 and the axiality of spray orifice 41.
Can also adopt other screw-type aligning devices.For example, in one embodiment, the screw-type aligning device comprises:
2 screwed holes, 90 ° of intervals are run through in the perisporium that is arranged on sprayer body;
2 aligning screws are screwed in the screwed hole respectively and terminal outer peripheral face against nozzle block; And
Between 2 flexible members, the outer peripheral face that is pressed on nozzle block and the inner peripheral surface of sprayer body and radially relative with above-mentioned 2 aligning screws respectively, the both sides of each flexible member are pressed the outer peripheral face of nozzle block and the inner peripheral surface of sprayer body respectively.
Above-mentioned flexible member can be can resilience any suitable element, for example spring leaf, helical spring, rubber spring etc.
This screw-type aligning device only need be screwed two aligning screws respectively and just can be adjusted the core liquid needle tubing 30 and the axiality of spray orifice 41.
By selecting the screw thread specification such as the pitch in aligning screw 60 and respective threads hole 46, can realize required aligning precision.For example, can use the metric system screw of M 2.5 to M 8 as aligning screw 60.
In addition, in other embodiments, aligning device can also be the automatic aligning mechanism with the sphere shape track that matches.
As shown in Figure 4, between the inner peripheral surface of the outer peripheral face of nozzle block 10 and sprayer body 40, be provided with radial clearance c, thereby nozzle block 10 can be moved radially in the installation cavity 45 of sprayer body 40 with respect to sprayer body 40.In some embodiments, radial clearance c can be in 0.2mm in the scope of 3mm.
In above embodiment, all adopt manual mode to screw the aligning screw and carry out the aligning operation.In other embodiments, can also adopt automatic control such as servo-controlled mode, carry out the automatic aligning operation.
Can followingly assemble according to spinning head 1 of the present utility model: axially be sleeved on core liquid needle tubing 30 on second end 23 of adapter 20 by its needle tubing seat; First end 22 that the adapter 20 of core liquid needle tubing 30 is installed is connected to the nozzle block 10 that has been connected with core liquid feed pipe 70; Nozzle block 10 is placed the installation cavity 45 of the sprayer body 40 that has been connected with slurry feed pipe 80, make the syringe tip of core liquid needle tubing 30 be positioned at the spray orifice 41 of nozzle block 10; By lock-screw 50 nozzle block 10 and sprayer body 40 are locked then.
In addition, can also before locking, adjust by 60 pairs of core liquid of the aligning screw needle tubing 30 and the axiality of spray orifice 41.
When needing because of a variety of causes such as core liquid needle tubing obstruction etc. to change core liquid needle tubing and/or adapter, can following spinning head 1 be dismantled: unscrew lock-screw 50, make nozzle block 10 and sprayer body 40 remove axial locking; Screw 4 aligning screws 60, make aligning screw 60 not contact with the outer peripheral face of nozzle block 10; Nozzle block 10 is separated with sprayer body 40 with core liquid needle tubing 30 together with connected adapter 20; The adapter 20 that core liquid needle tubing 30 is installed is separated with nozzle block 10; Core liquid needle tubing 30 is separated with adapter 20.
Then, can change the parts that comprise core liquid needle tubing 30 and adapter 20 as required, perhaps to each parts clean, maintenance etc.
Abovely the application is illustrated, but application is not limited to above-mentioned embodiment with reference to accompanying drawing and by embodiment.It will be understood by those skilled in the art that under the situation that does not break away from present techniques thought and can make amendment and modification that these are revised and modification is included in the application's the protection domain equally.
Claims (9)
1. a spinning head (1) is used to spin the hollow-fibre membrane silk, it is characterized in that, described spinning head (1) comprises nozzle block (10) and jet pipe (2), and described jet pipe (2) removably connects with described nozzle block (10).
2. spinning head as claimed in claim 1 (1) is characterized in that, described jet pipe (2) is threaded with described nozzle block (10).
3. spinning head as claimed in claim 1 (1), it is characterized in that, described jet pipe (2) comprises core liquid needle tubing (30) and adapter (20), and described core liquid needle tubing (30) removably connects with described adapter (20), and described adapter (20) removably connects with described nozzle block (10).
4. spinning head as claimed in claim 3 (1) is characterized in that, described core liquid needle tubing (30) is press-fitted with described adapter (20) and is connected.
5. spinning head as claimed in claim 1 (1) is characterized in that, described spinning head (1) also comprises sprayer body (40), and described nozzle block (10) removably connects with described sprayer body (40), is provided with aligning device on described sprayer body (40).
6. spinning head as claimed in claim 5 (1) is characterized in that, described aligning device is the screw-type aligning device.
7. spinning head as claimed in claim 6 (1) is characterized in that, described screw-type aligning device comprises:
3 with upper screwed hole (46), uniformly-spaced run through in the perisporium that is arranged on described sprayer body (40); And
3 above aligning screws (60) are screwed in the screwed hole (46) respectively and terminal outer peripheral face against described nozzle block (10).
8. spinning head as claimed in claim 6 (1) is characterized in that, described screw-type aligning device comprises:
2 screwed holes (46), 90 ° of intervals are run through in the perisporium that is arranged on described sprayer body (40);
2 aligning screws (60) are screwed in the screwed hole (46) respectively and terminal outer peripheral face against described nozzle block (10); And
2 flexible members, between the outer peripheral face that is pressed on described nozzle block (10) and the inner peripheral surface of described sprayer body (40) and radially relative with above-mentioned 2 aligning screws respectively, the both sides of each flexible member are pressed the outer peripheral face of described nozzle block (10) and the inner peripheral surface of described sprayer body (40) respectively.
9. spinning head as claimed in claim 3 (1) is characterized in that, described core liquid needle tubing (30) is for meeting the needle tubing of CNS GB18457-2001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281810U CN201962437U (en) | 2011-01-27 | 2011-01-27 | Spinning head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281810U CN201962437U (en) | 2011-01-27 | 2011-01-27 | Spinning head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201962437U true CN201962437U (en) | 2011-09-07 |
Family
ID=44524974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200281810U Expired - Lifetime CN201962437U (en) | 2011-01-27 | 2011-01-27 | Spinning head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201962437U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764593A (en) * | 2012-08-20 | 2012-11-07 | 厦门绿邦膜技术有限公司 | Device and method for producing hollow fiber membranes |
| CN103498206A (en) * | 2013-10-18 | 2014-01-08 | 天津膜天膜科技股份有限公司 | Hollow fiber membrane spinning pack |
| CN103710766A (en) * | 2013-12-12 | 2014-04-09 | 北京化工大学 | Hollow fiber spray nozzle allowing adjusting hollow core tube |
| CN106400144A (en) * | 2016-10-11 | 2017-02-15 | 上海湛信科技发展有限公司 | Novel hollow fibrous membrane spinneret |
| 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 |
-
2011
- 2011-01-27 CN CN2011200281810U patent/CN201962437U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764593A (en) * | 2012-08-20 | 2012-11-07 | 厦门绿邦膜技术有限公司 | Device and method for producing hollow fiber membranes |
| CN102764593B (en) * | 2012-08-20 | 2015-02-11 | 厦门绿邦膜技术有限公司 | Device and method for producing hollow fiber membranes |
| CN103498206A (en) * | 2013-10-18 | 2014-01-08 | 天津膜天膜科技股份有限公司 | Hollow fiber membrane spinning pack |
| CN103498206B (en) * | 2013-10-18 | 2015-10-28 | 天津膜天膜科技股份有限公司 | A kind of hollow-fibre membrane spinning pack |
| CN103710766A (en) * | 2013-12-12 | 2014-04-09 | 北京化工大学 | Hollow fiber spray nozzle allowing adjusting hollow core tube |
| 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 |
| CN106400144A (en) * | 2016-10-11 | 2017-02-15 | 上海湛信科技发展有限公司 | Novel hollow fibrous membrane spinneret |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUIYANG VONTRON TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING VONTRON TECHNOLOGY CO., LTD. Effective date: 20130726 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102249 CHANGPING, BEIJING TO: 550023 GUIYANG, GUIZHOU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130726 Address after: Office building 550023 Guizhou city of Guiyang province Magicstor Technology Industrial Park, high tech Zone two floor, No. 206 Patentee after: Vontron Technology Co., Ltd. Address before: 102249, 6 South Road, Xichang, ChangPing Railway Station, Beijing, Changping District Patentee before: Beijing Vontron Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |