CN203174228U - Self-boosting assembly for preparing fine-denier chinlon - Google Patents
Self-boosting assembly for preparing fine-denier chinlon Download PDFInfo
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- CN203174228U CN203174228U CN 201320037465 CN201320037465U CN203174228U CN 203174228 U CN203174228 U CN 203174228U CN 201320037465 CN201320037465 CN 201320037465 CN 201320037465 U CN201320037465 U CN 201320037465U CN 203174228 U CN203174228 U CN 203174228U
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Abstract
The utility model provides a self-boosting assembly for preparing fine-denier chinlon. The self-boosting assembly for preparing the fine-denier chinlon comprises a shell body, a top cover of the shell body, a distribution net inside the shell body, and a spinneret plate located at the lower layer of the distribution net, wherein a first filer sand screen, a separation net, a second filter sand screen and a bottom net are sequentially arranged between the top cover and the distribution net. According to the self-boosting assembly for preparing the fine-denier chinlon, internal filter organizations are designed in a gradient and layering mode, the corresponding separation net is arranged between the layers, the sparse upper portion and the dense lower portion of the gradient structure are ensured, the filter performance of the self-boosting assembly is stabilized, the replacement period of the self-boosting assembly is prolonged, the production efficiency is improved, and the AA rate of finished fine-denier chinlon is increased.
Description
Technical field
The utility model relates to the synthetic fiber filament field devices, is specifically related to a kind of micro Denier polyamide fibre and prepares with the assembly that boosts certainly.
Background technology
Polyamide fibre micro Denier full-drawn yarn refers to that the individual thread dawn counts DPF at the polyamide fibre full-drawn yarn below 1.0.The English Fully Drawn of full-drawn yarn Yarn is called for short FDY.The English full name of DPF is denier per filament, and namely " DENIER " of every monofilament number is called for short: D or " dawn "." DENIER " describes the degree of the tow thickness of fiber.And the ultra-fine full-drawn yarn of polyamide fibre micro Denier cryogenic high pressure refers to that individual thread dawn number is less than 1.0D, the total denier ultrafine wire FDY kind below 20D.It is because total denier is ultra-fine, soft, moisture pick-up properties is good, perspire is effective is widely used among slim underskirt fabric, Lingerie fabric and the various slim clothing fabric that needs softness, moisture absorption and perspire effect.Just polyamide fibre micro Denier FDY have individual thread fine, be unable to undergo that external force is vulnerable to destroy, total denier ultra-fine characteristics again, make and rely on traditional polyamide fibre FDY manufacturing technique method to be difficult to realize at existing polyamide fibre FDY production equipment machine, coiling end breakage rate height often appears, the spinning cake tube is heavy little, situations such as the AA rate of grade is low, even reel the product of coming out reluctantly, because many, the powerful low requirements of weaving process that not only can not satisfy the high speed warp knitting machine of disconnected strand of lousiness of its finished product do not satisfy the requirement of common low speed footwear machine braiding yet.
Increase from boosting assembly even prepare the assembly of polyamide fibre micro Denier full-drawn yarn traditionally, because self-filtering sand assembly is single, perhaps the inner gradient design of its sand is unreasonable, thereby can not satisfy the requirement of existing high-quality polyamide fibre FDY finished product production technology.At present, general enterprise uses the monocomponent filter sand mostly, and minority enterprise begins to arrange two components and crosses filter sand, but because middle spacer web is not set.It is moving to cross the string that interlocks easily after filter sand is impacted by pressurized melt, finally is disturbance state, thin close progressive filtration gradient down on the tool.This can cause filtering irregular, and causes the powerful inhomogeneous of monofilament between tow, can be reflected in the inconsistent of spinnerets ejection strand time on this is apparent; On the other hand, do not possess or lose very soon under the situation of filtering gradient, can cause from boosting assembly chamber inner filtration inequality, locally excessively filter individually, the impurity shutoff, cause spinneret orifice to stop up, influenced the assembly life-span that boosts certainly, reduce production efficiency.
The utility model content
The purpose of this utility model provides a kind of micro Denier polyamide fibre preparation with from boosting assembly, solves in the above-mentioned prior art problem one or more.
According to an aspect of the present utility model, provide a kind of micro Denier polyamide fibre to prepare with the assembly that boosts certainly, the distribution network of housing, top cover, enclosure interior and be positioned at the spinnerets of distribution network lower floor, top cover first is crossed filter sand to being provided with successively between distribution network, filter, second is crossed filter sand and spacer screen.
The micro Denier polyamide fibre preparation that the utility model provides is organized the gradient distribution hierarchical design with crossing filter sand from the component internal of boosting, and between each layer, be provided with corresponding filter, but the strainability of stabilising arrangement, the replacement cycle of extension fixture, enhance productivity, increase finished product AA and lead.
In some embodiments, top cover and first is crossed between the filter sand and is provided with block, is provided with distribution plate between distribution network and the spacer screen.Top cover and first is crossed block between the filter sand and can be reduced and enter from the assembly melt that boosts first percussion of crossing filter sand.The melt that distribution plate can mixingly boost reaches the effect of the gained melt of homogenizing and dispersion.
In some embodiments, spacer screen comprises supporting network and supporting network and the second metal nonwoven fabric of crossing between the filter sand.Adopt the metal nonwoven fabric further finer and close mesh can be set, supporting network provides the support of above-mentioned metal nonwoven fabric, keeps the fine and closely woven of filtering accuracy, promotes the spinning melt quality, enhances productivity.
In some embodiments, block adopts 30 to 50 purpose stainless (steel) wires, first crosses filter sand 5 adopts 40 to 60 purpose metal sand, filter adopts 50 to 60 purpose stainless (steel) wires, second crosses filter sand 6 adopts 60 to 80 purpose metal sand, the specified aperture of metal nonwoven fabric is 5 to 15 μ, and supporting network adopts 50 purpose stainless (steel) wires, and distribution network adopts 250 order stainless (steel) wires.In hierarchical design, on the clearly demarcated basis of each layer gradient, provide the enforcement parameter of optimizing, improved the quality of spinning melt, further improve the top grade rate of polyamide fibre micro Denier full-drawn yarn.
In some embodiments, be provided with sealing ring between housing and the top cover, the assurance housing leaks with the nothing between the top cover and closely is connected, thereby reduces the generation of assembly spillage phenomenon, the service life of assurance device.
To sum up, the assembly that boosts certainly that the utility model provides, self-filtering sand is organized reasonable gradient distribution design, and between each layer, be provided with corresponding filter, and keep the fine and closely woven of filtering accuracy, but the strainability of stabilising arrangement, the melting effect of the assembly that boosts certainly that raising the utility model provides, promote the spinning melt quality, increase finished product AA and lead; And the replacement cycle of extension fixture, enhance productivity.
Description of drawings
Fig. 1 is the micro Denier polyamide fibre preparation structural representation of the assembly that boosts certainly in the utility model one embodiment;
Fig. 2 for micro Denier polyamide fibre preparation in the utility model one embodiment with from the initial pressure of the assembly that boosts certainly of boost assembly and the prior art comparison diagram of change curve in time.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in more detail.
As shown in Figure 1, the micro Denier polyamide fibre prepares with the structural representation from the assembly that boosts in the utility model one embodiment.Comprise cylindrical shell 1, the top cover 2 that housing 1 is provided with from top to bottom successively; 30 to 50 purpose stainless steel blocks 51; 40 to 60 orders first are crossed filter sand 5; 50 to 60 order stainless steel filters 52; Specified aperture is 532 layers of the metal nonwoven fabric of 5 to 15 μ; The supporting network 531 of 50 order support metal nonwoven fabric 532; Distribution plate 54; 250 order stainless steel distribution network 3 and spinneretss 4.Also be provided with sealing ring 11 between housing 1 and the top cover 2.
The sealing ring 11 that is provided with between housing 1 and the top cover 2.The assurance housing leaks with the nothing between the top cover and closely is connected, thereby reduces the generation of assembly spillage phenomenon, thus the service life of assurance device.Block 51 can reduce melt and enter when boosting assembly the percussion of crossing filter sand 5 to first.The first mistake filter sand 5 and second is crossed filter sand 6 and is selected irregular diamond-type metal sand for use.Filter 52 separations first are crossed filter sand 5 and second and are crossed filter sand 6, and the inner reasonably gradient distribution of holding device designs, and provides first to cross filter sand 5 supporting roles.Adopt metal nonwoven fabric 532 further finer and close mesh can be set, keep the fine and closely woven of filtering accuracy, promote the spinning melt quality, enhance productivity.Supporting network 531 provides above-mentioned metal nonwoven fabric 532 to support.The melt that distribution plate can mixingly boost reaches the effect of the gained melt of homogenizing and dispersion.
The micro Denier polyamide fibre preparation that present embodiment provides is organized the gradient distribution hierarchical design with filtering from the component internal of boosting, and is provided with corresponding filter or supporting network between each layer, and it is stable that the assurance device gradient designs.
The assembly hierarchical design of boosting certainly that the utility model provides is dredged close gradient-structure gradient down in the maintenance, improved the quality of spinning melt, significantly improves the top grade rate of polyamide fibre micro Denier full-drawn yarn.
Purpose from the assembly apparatus that boosts is to allow the melt of the ultra-fine full-drawn yarn of polyamide fibre micro Denier obtain spinning high pressure (16000kPa during initial life cycle in " moment " by this assembly, 22000kPa when finishing life cycle), both avoided this melt screw rod before this, the molecular weight degradation that the high temperature of pipeline and casing borough chief time causes, make " moment " acquisition energy of melt before extruding as-spun fibre again, make high-quality as-spun fibre, and this melt makes melt even from being mixed by flowing fast again easily under high-pressure situations, guaranteed the even of as-spun fibre inherent quality, stable, the fiber irregularity that generates is low, bar makes a good job of, and even dyeing is powerful high.
The effect of the assembly that boosts certainly that provides for further test and appraisal the utility model, preparation technology is example with specification " the ultra-fine FDY finished silk of polyamide fibre 9D/10F micro Denier ": with the dry sliced raw material of polyamide fibre, screw rod melting plant through low temperature (246 ℃ to 252 ℃) control becomes melt, this melt enters 252 ℃ of casings to 256 ℃ of low temperature controls (boiling point is 244 ℃ low temperature biphenyl-biphenyl ether gaseous state system) again and becomes low-temperature melt, this low-temperature melt obtains the initial life cycle pressure of 16000kPa(by the assembly that boosts certainly of special prescription design) finish life cycle pressure to 22000kPa() the melt high pressure, this pressurized melt is extruded back, spinnerets 4 back and is formed as-spun fibre, this as-spun fibre enters the lateral blowing cooling forming after being introduced into " 100mm slow cooling district ", oil after the path of passing 2 to 3 meters after 0.5 to 1.2% cools off naturally through atomizer again, realize 1.10 to 1.80 times drawing-off by 80 to 120kPa pre-networks at first godet roller and the second seal wire hot-rolling, the FDY long filament that makes enters the high speed winding head package again behind Network device become 4 to 6kg the ultra-fine full drawing-off finished product spinning cake of polyamide fibre micro Denier.
The said goods, test through GB GB/T14344 chemical fiber filament Erichsen test method, fracture strength reaches 4.76cN/dtex, presentation quality " high-class product " (AA) rate reaches 95.6%, compare the product that makes from the assembly that boosts under the prior art that records with quadrat method, its fracture strength 3.96cN/dtex, presentation quality " high-class product " (AA) rate 90.8% all has improvement significantly.
In addition, along with the device increase of service time, the initial pressure of this device can slowly increase, and when component pressure reached the mechanical seal limit (empirical value 22000kPa), assembly must be changed, and enters the operation of following one-period.Certainly boost assembly melt pressure curve contrast effect as shown in Figure 2 through what test recorded boost certainly assembly and prior art that the utility model provides.Be unit with the sky transverse axis X indication device service time among Fig. 2; Longitudinal axis Y represents from the assembly melt pressure that boosts, kPa being unit.A is the assembly melt pressure curve that boosts certainly that the utility model provides, and initial pressure is 16000kPa; B is the assembly melt pressure curve that boosts certainly that prior art provides, and initial pressure is 11000kPa.And the replacement of component cycle of boosting certainly that the utility model provides can reach 90 days, and the replacement cycle of common component is between 40 to 60 days.Therefore the utility model has prolonged the replacement cycle of device, has significantly improved production efficiency.The utility model provides little from the assembly melt pressure curvilinear motion rate of boosting in addition, so the suitable prior art of device performance is more stable.
More than statement only is optimal way of the present utility model; should be pointed out that to those skilled in the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these also should be considered as within the protection domain of the present utility model.
Claims (5)
1. a micro Denier polyamide fibre prepares with the assembly that boosts certainly, it is characterized in that, comprise: the distribution network (3) that housing (1), top cover (2), described housing (1) are inner and be positioned at the spinnerets (4) of described distribution network (3) lower floor, described top cover (2) is crossed filter sand (5), filter (52), second mistake filter sand (6) and the spacer screen (53) to being provided with first between described distribution network (3) successively.
2. a kind of micro Denier polyamide fibre according to claim 1 prepares with the assembly that boosts certainly, it is characterized in that, described top cover (2) and described first is crossed between the filter sand (5) and is provided with block (51), is provided with distribution plate (54) between described distribution network (3) and the described spacer screen (53).
3. a kind of micro Denier polyamide fibre preparation according to claim 2 is characterized in that with from boosting assembly, and described spacer screen (53) comprises supporting network (531) and described supporting network (531) and the described second metal nonwoven fabric of crossing between the filter sand (6) (532).
4. a kind of micro Denier polyamide fibre according to claim 3 prepares with the assembly that boosts certainly, it is characterized in that: described block (51) adopts 30 to 50 purpose stainless (steel) wires, described first crosses filter sand (5) adopts 40 to 60 purpose metal sand, described filter (52) adopts 50 to 60 purpose stainless (steel) wires, described second crosses filter sand (6) adopts 60 to 80 purpose metal sand, the specified aperture of described metal nonwoven fabric (532) is 5 to 15 μ, described supporting network (531) adopts 50 purpose stainless (steel) wires, and described distribution network (3) adopts 250 order stainless (steel) wires.
5. a kind of micro Denier polyamide fibre preparation according to claim 1 is characterized in that: be provided with sealing ring (11) between described housing (1) and the described top cover (2) with from boosting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037465 CN203174228U (en) | 2013-01-21 | 2013-01-21 | Self-boosting assembly for preparing fine-denier chinlon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037465 CN203174228U (en) | 2013-01-21 | 2013-01-21 | Self-boosting assembly for preparing fine-denier chinlon |
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| Publication Number | Publication Date |
|---|---|
| CN203174228U true CN203174228U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320037465 Withdrawn - After Issue CN203174228U (en) | 2013-01-21 | 2013-01-21 | Self-boosting assembly for preparing fine-denier chinlon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046148A (en) * | 2013-01-21 | 2013-04-17 | 江苏文凤化纤集团有限公司 | Self-boosting assembly for preparation of micro fine-denier polyamide fibers |
| CN104963005A (en) * | 2015-06-06 | 2015-10-07 | 茅伟萍 | Automatic boosting assembly |
| CN108315826A (en) * | 2017-12-29 | 2018-07-24 | 黎明职业大学 | A kind of filter regeneration system of waste and old non-woven cloth |
-
2013
- 2013-01-21 CN CN 201320037465 patent/CN203174228U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046148A (en) * | 2013-01-21 | 2013-04-17 | 江苏文凤化纤集团有限公司 | Self-boosting assembly for preparation of micro fine-denier polyamide fibers |
| CN103046148B (en) * | 2013-01-21 | 2015-12-30 | 江苏文凤化纤集团有限公司 | A kind of micro Denier polyamide fibre preparation assembly that certainly boosts |
| CN104963005A (en) * | 2015-06-06 | 2015-10-07 | 茅伟萍 | Automatic boosting assembly |
| CN108315826A (en) * | 2017-12-29 | 2018-07-24 | 黎明职业大学 | A kind of filter regeneration system of waste and old non-woven cloth |
| CN108315826B (en) * | 2017-12-29 | 2021-06-01 | 黎明职业大学 | Filtration regeneration system of old and useless non-woven fabrics |
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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: 20130904 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |