CN104153008A - Spinning device for dry-jetting and wet-spinning method - Google Patents
Spinning device for dry-jetting and wet-spinning method Download PDFInfo
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- CN104153008A CN104153008A CN201410424145.4A CN201410424145A CN104153008A CN 104153008 A CN104153008 A CN 104153008A CN 201410424145 A CN201410424145 A CN 201410424145A CN 104153008 A CN104153008 A CN 104153008A
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Abstract
A spinning device for a dry-jetting and wet-spinning method comprises a base, wherein a sand cavity is formed in the base, a distributing plate, a partition plate, a multi-layer filter screen and a spinneret plate are sequentially arranged in the sand cavity from top to bottom. A gland moving in the axial direction is installed in the base, arranged above the sand cavity and provided with a size flow channel, an inlet of the size flow channel is communicated with a size outlet of a spinning box, and an outlet of the size flow channel is communicated with the sand cavity; the distributing plate is arranged at the downstream position of the outlet of the size flow channel, and a plurality of flow guide holes are evenly distributed in the distributing plate; flow guiding holes are evenly distributed in the partition plate, and the portion, between the partition plate and the distributing plate, of the sand cavity is filled with filter sand; a certain gap is formed between the multi-layer filter screen and the partition plate to form a pressure stabilizing chamber; the spinneret plate makes close contact with the lower surface of the multi-layer filter screen. The spinning device is good in sealing effect, not prone to leaking size, the size flows without dead angles, and therefore the performance of fibers is ensured.
Description
Technical field
The present invention relates to fiber spinning technology field, relate in particular to a kind of dry-jet wet spinning device for spinning.
Background technology
At present, dry-jet wet spinning is the chemical fibre processing method that the feature of dry spinning and wet spinning is combined, when spinning, spinning solution is after spinneret orifice ejection, spinning solution thread first passes through air layer (dry section), enter again coagulating bath, dry section very short, but solidifying phase separation and fiber-forming structure are had to significant impact.Solvent in the spinning solution thread of extruding at air layer evaporates rapidly, and surface has formed very thin compacted zone, and thread can suppress double diffusion speed after entering coagulating bath; Owing to producing bulking effect in spinnerets exit, flow downward by gravity and the drafting force of thread self, then can making to swell through the positive drawing-off of dry-jet wet-spinning, part is drafted enters coagulating bath after attenuating; Coagulating bath adopts low solvent quality mark proportioning and low temperature to solidify, and it is poor that low solvent quality mark proportioning can strengthen mass fraction between solvent and thread, accelerates diffusion; Low temperature can suppress diffusion velocity, is beneficial to precipitation compact structure, homogenizes, and final spun precursor and made carbon fiber surface are compared with level and smooth and without groove.Compared with pure wet spinning, dry-jet wet-spinning can spin higher density and the precursor without obvious skin-core structure, has significantly improved the tensile strength of fiber, the high-performance fiber that can produce thin specialization and homogenize.
In the production process of fiber, filament spinning component is the key link of producing high quality fibers.Dry wet method is all higher with concentration of slurry, and slurry viscosity is larger, and part slurry viscosity is more than 1000PaS.Dry-wet spinning filament spinning component used mostly is melt spinning filament spinning component at present, there are the following problems: between each part, coordinate defective tightness, and spillage with great difficulty of sealing effectiveness, assembly and disassembly is more complicated, slurries flow and have dead angle, and this just causes the poor-performing of fiber.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dry-jet wet spinning device for spinning, and it effectively improves the uniformity between monofilament in fibre bundle, thereby eliminates defect in above-mentioned background technology.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of dry-jet wet spinning device for spinning, comprises base, and described base inside is provided with sand chamber, and inside, described sand chamber is sequentially provided with distribution plate, dividing plate, multistorey strainer mesh and spinnerets from top to down,
The gland that axial activity is also installed in described base, described gland is arranged at the top in described sand chamber, and described gland offers slurries runner, and described slurries runner entrance is communicated with the slurries outlet of manifold, and slurries runner exit is communicated with described sand chamber,
Described distribution plate is arranged at the downstream position of slurries runner exit, is uniform-distribution with many pod apertures on distribution plate, ensures that thus slurries pass through flow direction height after distribution plate consistent, becomes laminar flow from top to bottom;
On described dividing plate, be evenly distributed with pod apertures, and filled filter sand in the sand chamber between described dividing plate and described distribution plate, cross filter sand in order to improve the mobile performance of slurries and to play certain filter effect, regulate the pressure of device for spinning by changing the order number of filter sand;
Between described multistorey strainer mesh and described dividing plate, there is certain gap, form pressure stabilizing chamber;
The lower surface close contact of described spinnerets and described multistorey strainer mesh.
As the preferred technical scheme of one, described gland is cylindrical, and the slurries runner entrance at its top is provided with concave step and is used for fixing T-shaped pad, and described T-shaped pad seals in the time that gland entrance is connected with manifold outlet.
As the preferred technical scheme of one, the slurries runner exit place of described gland is provided with bowl-type rubber pad circle, adopt aluminium alloy packing ring, top osculum is stuck on the cylindrical step of described gland below projection, below flange is stuck on the ring-shaped step in described sand chamber, slurries by time produce radial load and act on bowl-type rubber pad circle, be pressed in the internal circumference of described sand chamber the sealing of Assurance component by this pressure.
As the preferred technical scheme of one, the upper surface of described distribution plate is the very little conical surface of the gradient matching with described bowl-type rubber pad circle, and its upper surface axis centre is an outstanding centrum.These strong guarantees are consistent by the slurry flow rate of described distribution plate pod apertures, and then improve the uniformity of fibre bundle performance between monofilament.
As the preferred technical scheme of one, the length of described distribution plate pod apertures reduces from inside to outside successively, and pod apertures two ends are processed as concave panel.
As the preferred technical scheme of one, described multistorey strainer mesh has the filter screen of at least three layers of upper and lower superimposed different meshes, is provided with aluminum alloy edge-wrapped, and slurries are further filtered, and improves spinnability and fibre property.The aluminum alloy edge-wrapped of described multistorey strainer mesh is clamped by the annular protrusion of described spinneret face and bottom surface, described sand chamber, guarantees the sealing of assembly.
As the preferred technical scheme of one, described pressure stabilizing chamber height is generally 1-3mm, can select according to product requirement.Pressure stabilizing chamber can ensure that slurries are steady-flow under certain pressure, and the slurry flow of each spinneret orifice of the spinnerets of guaranteeing to flow through is consistent, thereby improves fibre property.
Owing to having adopted technique scheme, the invention has the beneficial effects as follows:
Dry-jet wet spinning device for spinning processing use cost provided by the invention is low, cooperation in assembly between each part is tight, good sealing effect is difficult for spillage, assembly and disassembly is convenient, slurries can keep voltage stabilizing steady-flow in assembly, slurries flow without dead angle, and the slurry flow and the performance that flow to spinneret orifice are basically identical, ensure the performance of fiber.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
In figure: 1. base, 2.T type pad, 3. gland, 4. bowl-type rubber pad circle, 5. sand chamber, 6. distribution plate, 7. multistorey strainer mesh, 8. spinnerets, 9. pad, 10. connector, 11. dividing plates, 12. pressure stabilizing chambers.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, a kind of dry-jet wet spinning device for spinning, comprise base 1, described base inside is provided with sand chamber 5, 5 inside, described sand chamber are sequentially provided with distribution plate 6 from top to down, dividing plate 11, multistorey strainer mesh 7 and spinnerets 8, the gland 3 of axial activity is also installed in described base 1, described gland 3 is arranged at the top in described sand chamber 5, described gland 3 offers slurries runner, described slurries runner entrance is communicated with the slurries outlet of manifold, slurries runner exit is communicated with described sand chamber 5, described distribution plate 6 is arranged at the downstream position of slurries runner exit, on distribution plate 6, be uniform-distribution with many pod apertures, ensure that thus slurries pass through flow direction height after distribution plate 6 consistent, become laminar flow from top to bottom, on described dividing plate 11, be evenly distributed with pod apertures, and the interior filter sand of filling in sand chamber 5 between described dividing plate 11 and described distribution plate 6, cross filter sand in order to improve the mobile performance of slurries and to play certain filter effect, regulate the pressure of device for spinning by changing the order number of filter sand, between described multistorey strainer mesh 7 and described dividing plate 11, there is certain gap, form pressure stabilizing chamber 12, the lower surface close contact of described spinnerets 8 and described multistorey strainer mesh 7, meanwhile, has pad 9 between spinnerets 8 and base 1, and pad material is aluminium alloy, rises and regulates and sealing function.
In the present embodiment, described gland 3 is cylindrical, and the slurries runner entrance at its top is provided with concave step and is used for fixing T-shaped pad 2, and described T-shaped pad 2 plays sealing and does in the time that gland 3 entrances are connected with the connector 10 of manifold outlet.
In the present embodiment, the slurries runner exit place of described gland 3 is provided with bowl-type rubber pad circle 4, adopt aluminium alloy packing ring, top osculum is stuck on the cylindrical step of described gland 3 below projections, below flange is stuck on the ring-shaped step in described sand chamber 5, slurries by time produce radial load and act on bowl-type rubber pad circle 4, be pressed in 5 internal circumference of described sand chamber the sealing of Assurance component by this pressure.
In the present embodiment, the upper surface of described distribution plate 6 is the very little conical surface of the gradient matching with described bowl-type rubber pad circle 4, and its upper surface axis centre is an outstanding centrum.These strong guarantees are consistent by the slurry flow rate of described distribution plate pod apertures, and then improve the uniformity of fibre bundle performance between monofilament.
In the present embodiment, the length of described distribution plate 6 pod apertures reduces from inside to outside successively, and pod apertures two ends are processed as concave panel.
In the present embodiment, described multistorey strainer mesh 7 has the filter screen of at least three layers of upper and lower superimposed different meshes, is provided with aluminum alloy edge-wrapped, and slurries are further filtered, and improves spinnability and fibre property.The aluminum alloy edge-wrapped of described multistorey strainer mesh 7 is clamped by the annular protrusion of described spinneret face and bottom surface, described sand chamber, guarantees the sealing of assembly.
In the present embodiment, described pressure stabilizing chamber 12 is highly generally 1-3mm, can select according to product requirement.Pressure stabilizing chamber can ensure that slurries are steady-flow under certain pressure, and the slurry flow of each spinneret orifice of the spinnerets of guaranteeing to flow through is consistent, thereby improves fibre property.
According in device for spinning of the present invention, mainly occur vertically to the pressure the each parts of spinnerets 8 from gland 3, base 1 does not come in contact with product slurry, and is just used as the axial support of spinnerets 8.Because base 1 does not absorb any radial load, therefore can reduce the wall thickness of base 1, can reduce like this shell sizes.
According to the present invention, the mounting means of dry-jet wet spinning device for spinning is: first base 1 is cleaned and dried up, again remaining part is dried up for subsequent use with ultrasonic cleansing, then successively pad 9, spinnerets 8, multistorey strainer mesh 7, sand chamber 5, distribution plate 6, bowl-type rubber pad circle 4 and gland 3 are put into unitized substructure successively, group will be assembled complete, pre-stand-by heat.
According to the present invention, filament spinning component is fixed to connect on the connector 10 of manifold, along with holding screw screws, spinning manifold produces downward pressure to gland 3, bowl-type rubber pad circle 4 pressurizeds, bowl-type rubber pad circle 4 is adjacent to gland 3 and sand chamber 5 under pressure, and bowl-type rubber pad circle 4 is self sealing structure, produce after pressure once assembly is full of slurries, can realize self-energized seal.
According to the present invention, in the time of normal work, under slurries pressure, sand chamber 5 can move down gradually, and the aluminum alloy edge-wrapped of multistorey strainer mesh 7 can be adjacent to sand chamber 5 and spinnerets 8, realizes sealing function.
In the time of work, slurries enter the runner of gland 3 from manifold outlet at bottom, then flow to successively space, distribution plate 6, the sand beds layer in sand chamber 5, dividing plate 11, pressure stabilizing chamber 12, multistorey strainer mesh 7 under bowl-type rubber pad circle 4, finally spray slurries thread by spinnerets 8, carry out the operation of dry-wet spinning.
The present invention is not limited to above-mentioned detailed description of the invention, and all are based on technical conceive of the present invention, and the structural improvement of having done, all falls among protection scope of the present invention.
Claims (7)
1. a dry-jet wet spinning device for spinning, it is characterized in that: comprise base, described base inside is provided with sand chamber, inside, described sand chamber is sequentially provided with distribution plate from top to down, dividing plate, multistorey strainer mesh and spinnerets, the gland of axial activity is also installed in described base, described gland is arranged at the top in described sand chamber, described gland offers slurries runner, described slurries runner entrance is communicated with the slurries outlet of manifold, slurries runner exit is communicated with described sand chamber, described distribution plate is arranged at the downstream position of slurries runner exit, on distribution plate, be uniform-distribution with some pod apertures, on described dividing plate, be also evenly distributed with pod apertures, and filled filter sand in sand chamber between described dividing plate and described distribution plate, between described multistorey strainer mesh and described dividing plate, there is certain gap, form pressure stabilizing chamber, the lower surface close contact of described spinnerets and described multistorey strainer mesh.
2. a kind of dry-jet wet spinning device for spinning as claimed in claim 1, is characterized in that: described gland is cylindrical, and the slurries runner entrance at its top is provided with concave step in order to fixing T-shaped pad.
3. a kind of dry-jet wet spinning device for spinning as claimed in claim 1, it is characterized in that: the slurries runner exit place of described gland is provided with bowl-type rubber pad circle, bowl-type rubber pad circle adopts aluminium alloy packing ring, top osculum is stuck on the cylindrical step of described gland below projection, and below flange is stuck on the ring-shaped step in described sand chamber.
4. a kind of dry-jet wet spinning device for spinning as claimed in claim 3, is characterized in that: the upper surface of described distribution plate is the very little conical surface of the gradient matching with described bowl-type rubber pad circle, and its upper surface axis centre is an outstanding centrum.
5. a kind of dry-jet wet spinning device for spinning as described in claim 1 or 4, is characterized in that: the length of described distribution plate pod apertures reduces from inside to outside successively, and pod apertures two ends are processed as concave panel.
6. a kind of dry-jet wet spinning device for spinning as claimed in claim 1, it is characterized in that: described multistorey strainer mesh has the filter screen of at least three layers of upper and lower superimposed different meshes, be provided with aluminum alloy edge-wrapped, the aluminum alloy edge-wrapped of described multistorey strainer mesh is clamped by the annular protrusion of described spinneret face and bottom surface, described sand chamber.
7. a kind of dry-jet wet spinning device for spinning as claimed in claim 1, is characterized in that: described pressure stabilizing chamber height is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424145.4A CN104153008A (en) | 2014-08-26 | 2014-08-26 | Spinning device for dry-jetting and wet-spinning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424145.4A CN104153008A (en) | 2014-08-26 | 2014-08-26 | Spinning device for dry-jetting and wet-spinning method |
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| CN104153008A true CN104153008A (en) | 2014-11-19 |
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| CN201410424145.4A Pending CN104153008A (en) | 2014-08-26 | 2014-08-26 | Spinning device for dry-jetting and wet-spinning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894100A (en) * | 2017-04-11 | 2017-06-27 | 湖北优布非织造布有限公司 | A kind of filament spinning component and its installation method |
| CN107419345A (en) * | 2017-09-24 | 2017-12-01 | 浙江尤夫高新纤维股份有限公司 | Can mortar leakage prevention filament spinning component |
| CN112237769A (en) * | 2019-07-17 | 2021-01-19 | 杭州特种纸业有限公司 | Needle head type filter |
| WO2021097961A1 (en) * | 2019-11-22 | 2021-05-27 | 中芳特纤股份有限公司 | Spinneret component for para-aramid spinning |
| CN115247282A (en) * | 2022-08-09 | 2022-10-28 | 江苏恒科新材料有限公司 | DIO spinning device |
| CN115418731A (en) * | 2022-09-14 | 2022-12-02 | 长盛(廊坊)科技有限公司 | Discharging device for dry-jet wet spinning machine and using method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894100A (en) * | 2017-04-11 | 2017-06-27 | 湖北优布非织造布有限公司 | A kind of filament spinning component and its installation method |
| CN106894100B (en) * | 2017-04-11 | 2019-08-16 | 湖北优布非织造布有限公司 | A kind of filament spinning component and its installation method |
| CN107419345A (en) * | 2017-09-24 | 2017-12-01 | 浙江尤夫高新纤维股份有限公司 | Can mortar leakage prevention filament spinning component |
| CN112237769A (en) * | 2019-07-17 | 2021-01-19 | 杭州特种纸业有限公司 | Needle head type filter |
| WO2021097961A1 (en) * | 2019-11-22 | 2021-05-27 | 中芳特纤股份有限公司 | Spinneret component for para-aramid spinning |
| CN115247282A (en) * | 2022-08-09 | 2022-10-28 | 江苏恒科新材料有限公司 | DIO spinning device |
| CN115247282B (en) * | 2022-08-09 | 2024-02-06 | 江苏恒科新材料有限公司 | DIO spinning device |
| CN115418731A (en) * | 2022-09-14 | 2022-12-02 | 长盛(廊坊)科技有限公司 | Discharging device for dry-jet wet spinning machine and using method thereof |
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Application publication date: 20141119 |