CN203559171U - Spinning pack of hollow fiber membrane - Google Patents
Spinning pack of hollow fiber membrane Download PDFInfo
- Publication number
- CN203559171U CN203559171U CN201320645216.4U CN201320645216U CN203559171U CN 203559171 U CN203559171 U CN 203559171U CN 201320645216 U CN201320645216 U CN 201320645216U CN 203559171 U CN203559171 U CN 203559171U
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- Prior art keywords
- membrane
- casting solution
- flash chamber
- basement membrane
- cortex
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Abstract
The utility model discloses a spinning pack of a hollow fiber membrane, and provides a spinning pack which is high in concentricity and stable in structure. The spinning pack of the hollow fiber membrane comprises a main pack body, an embedded part and a choke flow protecting sleeve, wherein a flash chamber is formed in the upper end of the main pack body, a through hole communicated with the flash chamber is formed in the main pack body, and a skin casting solution feeding port communicated with the through hole is formed in the side surface of the main pack body; the embedded part comprises a main embedded body and a sealing plate, and a basic membrane pore passage is arranged in the centers of the main embedded part and the sealing plate; the main embedded body is embedded into the through hole of the main pack body, and a skin casting solution flowing channel is formed between the main embedded body and the inner wall of the through hole; the sealing plate of the embedded part seals the lower end of the main pack body so as to prevent a skin casting solution from leakage; the choke flow protecting sleeve is tightly mounted at the upper end of the main embedded body, and a hole communicated with the basic membrane pore passage is formed in the choke flow protecting sleeve; and a basic membrane penetrates through the flash chamber from bottom to top, the skin casting solution in the flash chamber is hung on the surface of the basic membrane, and a membrane is formed on the basic membrane through tape casting under the action of gravity. The obtained hollow fiber membrane is high in concentricity and stable in structure.
Description
Technical field
The utility model relates to membrane technology field, particularly relates to a kind of hollow-fibre membrane spinning pack.
Background technology
Hollow fiber separating film is self supporting structure, and assembly preparation technology is simple, and enlarge-effect is little, in unit volume, can provide larger membrane area, and it is the membrane structure form that a kind of practicality is very strong.Its bulk density is larger than tubular membrane, and preliminary treatment and maintenance are all more simple than rolled film.Along with constantly widening of application of membrane field, existing single material, single form film product more and more can not meet the high performance requirement of application.
1974, Henis and Tripodi utility model the ps hollow fiber uf membrane of outer painting silicon rubber, making can be high pressure resistant, and the large hydrogen gas segregator of dialysis amount, a new research field of from then on having opened hollow fiber composite membrane.Hollow fiber composite membrane combines the plurality of advantages of doughnut and composite membrane:
1, it,, by the Material cladding of two kinds of different performances to together, provides essential mechanical strength with porous basement membrane supporting layer, and compound cortex provides excellent separating property and functional;
2, some quality more crisp but have good permeability and optionally material can be used to prepare composite membrane;
3, flexible compound layer has been alleviated fluid impact pressure to a certain extent, has also made up the indivedual defects on porous support layer, has reduced the concentrated harm of stress.
Therefore, compound hollow-fibre membrane has unique advantage in aspect of performance and application process, is the trend of future development.
At present, compound hollow-fibre membrane is in preparation process, be downward spinning hollow-fibre membrane, adopt basement membrane and cortex jointly to extrude or apply cortex in membrane surface, in distraction procedure, shake, stabilization of equipment performance all have a significant impact composite membrane concentricity, and technology stability is poor, high to spinning pack concentricity requirement, processing technology is complicated, and production cost is high.
Utility model content
The purpose of this utility model is for the technological deficiency existing in prior art, and provides a kind of concentricity high, constitutionally stable hollow-fibre membrane spinning pack.
For realizing the technical scheme that the purpose of this utility model adopts, be:
A kind of hollow-fibre membrane spinning pack, comprise module body, insertion part and choked flow protective sleeve, described module body upper end is provided with flash chamber, described module body inside is provided with the through hole being communicated with described flash chamber, and described module body side is provided with the cortex casting solution charging aperture being communicated with described through hole; Described insertion part comprises embedded main body and shrouding, and described embedded main body and shrouding central part are provided with basement membrane duct; Described insertion part main body embeds in the through hole of described module body, and and described through-hole wall between form cortex casting solution circulation passage; Described insertion part shrouding seals described module body lower end, prevents that cortex casting solution from leaking; Described choked flow protective sleeve snugly fits into described embedded main body upper end, on described choked flow protective sleeve, be provided with the perforate with described basement membrane hole link, the diameter of described perforate is less than the external diameter of basement membrane, described choked flow protective sleeve and described basement membrane membranous wall are tightly fitted, prevent that the indoor cortex casting solution of flash from infiltrating in described basement membrane duct; Basement membrane is from bottom to top through described flash chamber, and the indoor cortex casting solution of described flash hangs over described membrane surface, and passes through Action of Gravity Field curtain coating in described membrane surface film forming.
The upper end of described embedded main body is frustum.
The diameter of described flash chamber is 10-50 with the ratio of height.
The ratio of described insertion part basement membrane orifice throat length and internal diameter is 10-50.
Described choked flow protective sleeve material is Heat resistant rubber.
Compared with prior art, the beneficial effects of the utility model are:
1, spinning pack of the present utility model has designed special cortex construction control structure, adopt and upwards spin hollow-fibre membrane, in spinning process, basement membrane passes flash chamber by the basement membrane duct of insertion part, cortex casting solution under Action of Gravity Field by curtain coating in the even film forming of membrane surface, make cortex there is stable dimensional structure, there is very high concentricity with basement membrane, can obtain and there is high, the constitutionally stable compound hollow-fibre membrane of concentricity, improve properties of product and technology stability, improved quality and the production efficiency of hollow fiber composite membrane product.
2, in spinning pack of the present utility model, insertion part upper end cover has choked flow protective sleeve, and choked flow protective sleeve and basement membrane membranous wall are tightly fitted, and guarantees that membrane surface cortex casting solution and flash chamber interior cortex casting solution can not flow in basement membrane duct along basement membrane membranous wall.
3, in spinning pack of the present utility model, the basement membrane orifice throat length of its insertion part and basement membrane duct internal diameter ratio are greater than 10 and are less than 50, can improve basement membrane stability, guarantee compound hollow-fibre membrane preparation process technology stability; Flash chamber diameter and height ratio are greater than 10 and are less than 50, and while reducing basement membrane through flash chamber interior, the fluctuation of cortex casting solution, can guarantee cortex construction stability.
Accompanying drawing explanation
Figure 1 shows that the overall schematic of a kind of hollow-fibre membrane spinning pack of the utility model;
Figure 2 shows that the cutaway view of module body;
Figure 3 shows that the cutaway view of insertion part;
Figure 4 shows that the cutaway view of choked flow protective sleeve.
In figure: 1. flash chamber, 2. module body, 3. cortex casting solution charging aperture, 4. through hole, 5. insertion part, 6. embedded main body, 7. shrouding, 8. basement membrane duct, 9. perforate, 10. choked flow protective sleeve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The schematic diagram of a kind of hollow-fibre membrane spinning pack of the utility model as Figure 1-Figure 4, comprises module body 2, insertion part 5 and choked flow protective sleeve 10, and wherein, the material of described choked flow protective sleeve 10 is Heat resistant rubber.Described module body 2 upper ends are provided with flash chamber 1, and described module body 2 inside are provided with the through hole 4 being communicated with described flash chamber 1, and described module body 2 sides are provided with the cortex casting solution charging aperture 3 being communicated with described through hole 4; Described insertion part comprises embedded main body 6 and shrouding 7, and described embedded main body 6 and shrouding 7 central parts are provided with basement membrane duct 8; The embedded main body of described insertion part 5 embeds in the through hole 4 of described module body, and and described through hole 4 inwalls between form cortex casting solution circulation passage.The shrouding of described insertion part 5 seals described module body 2 lower ends, and in the present embodiment, module body 2 lower ends and shrouding 7 are tightly connected by bolt and sealing gasket, prevents that cortex casting solution from leaking.Described choked flow protective sleeve 10 snugly fits into described embedded main body 6 upper ends; on described choked flow protective sleeve 10, be provided with the perforate 9 being communicated with described basement membrane duct 8; wherein, described embedded main body 6 upper ends are frustum, the shape of institute's choked flow protective sleeve 10 for matching with embedded main body 6 upper ends.The diameter of described perforate 9 is less than the external diameter of basement membrane, and described choked flow protective sleeve and described basement membrane membranous wall are tightly fitted, and prevents that the indoor cortex casting solution of flash from infiltrating in described basement membrane duct 8.During use, basement membrane is through described flash chamber 1, and the cortex casting solution in described flash chamber 1 hangs over described membrane surface, and passes through Action of Gravity Field curtain coating in described membrane surface, evenly film forming.
Wherein, described spinning pack, its insertion part basement membrane orifice throat length is with internal diameter than being 10-50, the diameter of described flash chamber and height ratio are 10-50.
During use, cortex casting solution is full of by the cortex casting solution charging aperture 3 of module body side the cortex casting solution circulation passage forming between through hole 4 inwalls and embedded main body 6, and enter in flash chamber 1, the heating-up temperature of module body and insertion part is 80 ℃, basement membrane enters flash chamber 1 through behind the basement membrane duct 8 of insertion part, choked flow protective sleeve and basement membrane membranous wall by insertion part upper end are tightly fitted, avoid cortex casting solution to enter the basement membrane duct 8 of insertion part, basement membrane is through behind flash chamber 1, cortex casting solution relies on gravity in the even curtain coating of membrane surface, by steam, spray steaming mode gel film forming.The utility model has been realized special cortex complex method by the design of spinning pack, basement membrane and composite bed good concentricity, and gained hollow fiber composite membrane structure and performance are very stable, have improved product quality and production efficiency.
The above is only preferred embodiment of the present utility model; it should be noted that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a hollow-fibre membrane spinning pack, it is characterized in that, comprise module body (2), insertion part (5) and choked flow protective sleeve (10), described module body (2) upper end is provided with flash chamber (1), described module body (2) inside is provided with the through hole (4) being communicated with described flash chamber (1), and described module body (2) side is provided with the cortex casting solution charging aperture (3) being communicated with described through hole (4); Described insertion part comprises embedded main body (6) and shrouding (7), and described embedded main body (6) and shrouding (7) central part are provided with basement membrane duct (8); The embedded main body of described insertion part (5) embeds in the through hole (4) of described module body, and and described through hole (4) inwall between form cortex casting solution circulation passage; The shrouding of described insertion part (5) seals described module body (2) lower end, prevents that cortex casting solution from leaking; Described choked flow protective sleeve (10) snugly fits into described embedded main body (6) upper end, on described choked flow protective sleeve (10), be provided with the perforate (9) being communicated with described basement membrane duct (8), the diameter of described perforate (9) is less than the external diameter of basement membrane, described choked flow protective sleeve and described basement membrane membranous wall are tightly fitted, prevent that the indoor cortex casting solution of flash from infiltrating in described basement membrane duct (8); Basement membrane is from bottom to top through described flash chamber (1), and the cortex casting solution in described flash chamber (1) hangs over described membrane surface, and passes through Action of Gravity Field curtain coating in described membrane surface film forming.
2. hollow-fibre membrane spinning pack according to claim 1, is characterized in that, the upper end of described embedded main body is frustum.
3. hollow-fibre membrane spinning pack according to claim 1 and 2, is characterized in that, the diameter of described flash chamber is 10-50 with the ratio of height.
4. spinning pack according to claim 3, is characterized in that, the length in described insertion part basement membrane duct and the ratio of internal diameter are 10-50.
5. hollow-fibre membrane spinning pack according to claim 4, is characterized in that, described choked flow protective sleeve material is Heat resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645216.4U CN203559171U (en) | 2013-10-18 | 2013-10-18 | Spinning pack of hollow fiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645216.4U CN203559171U (en) | 2013-10-18 | 2013-10-18 | Spinning pack of hollow fiber membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559171U true CN203559171U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320645216.4U Withdrawn - After Issue CN203559171U (en) | 2013-10-18 | 2013-10-18 | Spinning pack of hollow fiber membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-10-18 CN CN201320645216.4U patent/CN203559171U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |