CN103526312A - Air supplying device used for cooling synthetic tows - Google Patents
Air supplying device used for cooling synthetic tows Download PDFInfo
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- CN103526312A CN103526312A CN201310492025.3A CN201310492025A CN103526312A CN 103526312 A CN103526312 A CN 103526312A CN 201310492025 A CN201310492025 A CN 201310492025A CN 103526312 A CN103526312 A CN 103526312A
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Abstract
The invention provides an air supplying device used for cooling synthetic tows. The air supplying device comprises a cold air channel suitable for being communicated with a cooling tank and a pore plate arranged on the joint between the air outlet of the cold air channel and the cooling tank; a filtering device used for filtering cold air in a pressurized mode is arranged in the cold air channel. According to the air supplying device, through the arrangement of the filtering device and the pore plate, two-stage pressurization is carried out on cold air before entering the cooling tank to meet the requirement of the cooling tank for the wind pressure and wind speed of the cold air; in addition, the filtering device further has filtering and impurity removing functions, impurities entering the cold air channel along with the cold air are removed after passing through the filtering device, therefore the arrangement of the filtering device further omits the situation that a screen mesh cylinder in the cooling tank needs to be frequently cleaned due to influences of the impurities, and the situation that the impurities block ventilating holes in the screen mesh cylinder and used for cooling polymer melt cannot occur certainly.
Description
Technical field
The present invention relates to a kind of air-supply arrangement for the synthesis of tow cooling, belong to tow cooling technical field.
Background technology
As everyone knows, when producing synthetic tow, the polymer melt thread spraying in spinnerets micropore is forced cooling in cooling device by the mode of blowing cold air, and condensation cure becomes filament at short notice.In cooling device the blast of cold wind, wind speed to above-mentioned polymer melt thread condensation cure after the uniformity of the filament that forms have a significant impact.Above-mentioned uniformity mainly refers to diameter, brute force, ductility of strand etc.Therefore the uniform and stable property (being mainly the uniform and stable property of controlling blast and wind speed) that maintains extraneous cooling condition is most important to spinning high-quality filament.
At present, people are seeking to solve the measure of the uniform and stable property that is incorporated into the cold air cooler bin from the external world always, as Chinese patent literature CN201420114Y discloses a kind of device for cooling a plurality of synthetic tow, its have for the cooler bin of cooling tow and be connected with cooler bin for carry the interface channel of cold air to cooler bin, in the prior art, for making cold air enter equably in blow box, it locates to be provided with the orifice plate with gas permeable wall at air intake (interface channel and cooler bin junction), on orifice plate, there is perforation, while entering blow box with convenient cold air, by perforation, distribute.
The prior art is carried out voltage stabilizing by orifice plate being set between interface channel outlet and cooler bin to the cold air entering before cooler bin, yet the prior art in use exists following problem:
1. in the prior art, only, by orifice plate being set with the cold air voltage stabilizing in cold air channel in cold air channel outlet with cooler bin junction, find that in actual use this kind of mode can not meet the requirement to the uniform and stable property of cold air in cooler bin completely;
2. in the prior art, orifice plate is set and can only plays the effect that cold air is all pressed, but there is no filtering function, yet numerous impurity is adulterating in the cold air of being introduced by air link, this impurity, along with cold air directly enters into the wire mesh tube of cooler bin through the perforation of orifice plate, causes the cleaning frequency of wire mesh tube greatly to shorten, and the impurity even gathering can stop up the air-vent on silk screen barrel, thereby greatly damage cooling forming effect, cause spun tow quality and performance poor.
Summary of the invention
For this reason, technical problem to be solved by this invention is to overcome in prior art cold air after processing for the synthesis of the air-supply arrangement of tow cooling and cannot meets in cooler bin the requirement of the uniform and stable property of cold air and cannot filter and with cold air, enter impurity in wire mesh tube thereby to cause wire mesh tube to clean frequent, even stop up the problem of air-vent on wire mesh tube, provide a kind of and can meet cooler bin and the uniform and stable property of cold air is required and can be filtered the air-supply arrangement for the synthesis of tow cooling of impurity in cold air.
For solving the problems of the technologies described above, the invention provides a kind of air-supply arrangement for the synthesis of tow cooling, comprise and be suitable for the cold air channel that is communicated with described cooler bin, described cold air channel has cold air channel air inlet and cold air channel air outlet, at described cold air channel air outlet and described cooler bin junction, orifice plate is set; In described cold air channel, be provided with for cold air being carried out to the filter of voltage stabilizing filtration, the inlet of cold air of described filter is communicated with described cold air channel air inlet, and the cold-air vent of described filter is communicated with described cold air channel air outlet.
Described filter comprises filter course, and described filter course comprises the filter wire stratum reticulare with several filter mesh and the nonwoven fabric filter course with several mesh.
The diameter of the filter mesh of described filter wire stratum reticulare is greater than the mesh diameter of described nonwoven fabric filter course, and described cold air first passes through described filter wire stratum reticulare, after through described nonwoven fabric filter course.
Described filter wire stratum reticulare is set to 1-10 layer, and every layer of described filter wire stratum reticulare is 50-100 order.
Described nonwoven fabric filter course thickness is 10-30mm.
Described filter course also comprises and is positioned at described filter wire stratum reticulare below for supporting the support stratum reticulare of described filtration stratum reticulare and described nonwoven fabric filter course, described support stratum reticulare has several and supports mesh, and the diameter of described support mesh is greater than the diameter of described filter mesh.
Described filter also comprises and being positioned on described filter course, for compressing the steel wire of described filter course.
Described filter also comprises framework, and described filter course is arranged on described framework, and described framework is connected with the inner wall sealing of described cold air channel.
Described cold air channel comprises and is suitable for the horizontal channel that is connected with described cooler bin, and the lower air duct that is connected in below, described horizontal channel, the air inlet of described horizontal channel is communicated with the air outlet of described lower air duct, the air outlet of described horizontal channel is described cold air channel air outlet, and the air inlet of described lower air duct is described cold air channel air inlet.
The air outlet that described filter is arranged on described lower air duct is hermetically sentenced and is made described filter, described orifice plate and described horizontal channel between the two together form cold air pressure stabilizing chamber.
On the sidewall at described lower air duct air outlet place, offer and be suitable for the installing port that described framework inserts.
Described filter also comprises the end cap of the relative one end that is fixed on described framework insertion end, described framework in described installing port inserts described cold air channel, described end cap is sealed and is fixed on described installing port place by fixture.
Described fixture comprises the flange frame that is fixed on described installing port place, the through hole at described flange frame middle part communicates with described installing port, on at least one edge of described flange frame, form card holding trough, described fixture also comprises the rotation shift fork being arranged on described end cap, and described rotation shift fork forms by rotation and is suitable for snapping onto the clamping side in described card holding trough.
Card holding trough described in relatively forming at least one group on the edge up and down of described flange frame, described card holding trough is strip shape through hole, described end cap is provided with described at least one corresponding with described card holding trough and rotates shift fork, described clamping side be take shape in the upper and lower two ends of described rotation shift fork be suitable for after rotation, snap onto the arc-shaped edges in the described strip shape through hole on the corresponding upper and lower edge of described flange frame.
Described fixture comprises at least one installing hole of being molded on described end cap, is molded at least one screwed hole of described lower air duct corresponding position and is suitable for screwing at least one screw in described installing hole and described screwed hole.
Described end cap is provided with at least one handle.
Described lower air duct is large lower young inverted triangle structure suitable for reading, and the air-admitting surface of described lower air duct is less than the air outlet area of described lower air duct.
The cold air that the cold air of described orifice plate is greater than filter course by area passes through area.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. in the present invention, filter is set in cold air channel, filter has the function of cold air being carried out to voltage stabilizing, this kind is arranged so that cool ambient air is entered and first through filter, carried out one-level voltage stabilizing afterwards by the air inlet of cold air channel, assurance is stable from the blast of the cold air of the cold-air vent output of filter, wind speed is even, afterwards, cold air carries out secondary voltage stabilizing through orifice plate again, like this, by the cold air after secondary voltage stabilizing, there is better uniform and stable property, thereby meet in cooler bin the requirement for cold air blast and wind speed; In addition, in the present invention, its filter also has filtering and impurity removing function, the impurity entering in cold air channel with cold air is being removed after filter, therefore, by arranging of this filter, can guarantee that the cold air of being exported by cold air channel is pure, thereby exempt wire mesh tube in cooler bin because the impact of impurity needs the situation of frequent clean, certainly more there will not be impurity to stop up on wire mesh tube the situation for the air-vent of cooling polymer melt.
2. in the present invention, the filter course of filter comprises the filter wire stratum reticulare with several filter mesh and the nonwoven fabric filter course with several mesh, the intensity that can improve filter course integral body that arranges by filter wire stratum reticulare, is conducive to extend the service life of filter course integral body; By the further filtering and impurity removing effect of intensive filtration layer that arranges of nonwoven fabric filter course, and alleviate the blast of cold air and the better effects if of wind speed, main, the present invention is by having the use that is superimposed together of the different stratum reticulares that filter voltage stabilizing functions by two kinds, make filtration and the voltage regulation result of filter course integral body more excellent, and can also guarantee the intensity of filter course integral body.
3. in the present invention, the diameter of the filter mesh of the filter wire stratum reticulare of filter is greater than the mesh diameter of nonwoven fabric filter course, and make cold air first through filter wire stratum reticulare and then through nonwoven fabric filter course, this kind of connection and reasonable arrangement is effective, first through the larger filter wire stratum reticulare of mesh, carry out preliminary filtration, and can guarantee the inlet of cold air, be unlikely to make the cold air amount of input very few, thereby can not affect the cooling effect to tow, through nonwoven fabric filter course, doing further refinement again filters, this kind of filtration order from coarse to fine can guarantee that cold air inlet can guarantee the voltage regulation result to cold air again.
4. in the present invention, the filter course of filter also comprise be positioned at filter wire stratum reticulare below for supporting the support stratum reticulare that filters stratum reticulare and nonwoven fabric filter course, this support stratum reticulare is greater than the support mesh of filter mesh diameter by several diameters of moulding thereon, making to support stratum reticulare can tentatively filter cold air before filter wire stratum reticulare, and can not reduce the cold air amount by filter wire stratum reticulare, in addition, support stratum reticulare of the present invention has good intensity, support stratum reticulare is arranged on to filter wire stratum reticulare below can play a supporting role to filter wire stratum reticulare and nonwoven fabric filter course, be conducive to improve the functional reliability of filter course integral body.
5. in the present invention, filter, by be provided for compressing the steel wire of filter course integral body on filter course, has prevented the wire side distortion of filter wire stratum reticulare and support stratum reticulare effectively, has further improved filter course overall work reliability.
6. in the present invention, filter also comprises framework, filter course is arranged on framework, and described framework is connected with the inner wall sealing of described cold air channel, the setting party of framework installation and the framework of filter course filter and cold air channel inwall are easily sealed.
7. in the present invention, by cold air channel being divided into horizontal channel and the lower air duct that is connected in below, horizontal channel, the wind speed that horizontal channel makes to come from the cold air of lower air duct is set effectively to be alleviated in both junctions, avoid the cold air wind speed that entered by lower air duct excessive, and, by arranging of horizontal channel, by vertical direction, change the circulating direction of cold air into horizontal direction, so that the cooling devices such as cooler bin are set in the horizontal direction, cold air channel entire length is shortened, take up space and diminish, the reasonable Arrangement that is conducive to equipment in factory building.
8. in the present invention, by filter sealing being arranged on to the air outlet of lower air duct, sentencing and make filter, orifice plate and horizontal channel inwall between the two together form a cold air pressure stabilizing chamber, come from the cold air of lower air duct after filter filters, enter in described pressure stabilizing chamber, in pressure stabilizing chamber, the inwall of horizontal channel makes the circulation of cold air become mild and even, thereby the cold air blast, the wind speed that make to enter into orifice plate all reach reasonable numerical value, thereby established good basis for the further voltage stabilizing of orifice plate.
9. in the present invention, by offering, be suitable for the installing port that framework inserts on lower air duct sidewall, filter in the present invention can be inserted in lower air duct from installing port in the mode of inserting, extract out, and this kind of set-up mode is simple in structure, easy for installation, disassembly process has been saved a large amount of manpowers, and, can design according to the actual requirements the insertion size of filter, thereby change the space size of pressure stabilizing chamber, thereby change wind speed and blast, to meet different cooling requirements.
10. in the present invention, filter also comprises end cap and the fixture of the relative one end that is fixed on framework insertion end, the framework that is arranged so that filter by end cap is after inserting installing port, end cap covers installing port, and the end cap that is arranged so that by further fixture can seal the installing port place that is fixed on lower air duct, this kind of setting both prevented that thereby outside air from flowing in lower air duct and causing the cold air in lower air duct to flow unsettled problem from the gap between installing port and framework, simultaneously, by fixture, end cap is fixed on to installing port place, the reliability and stability of filter work have been guaranteed.
11. in the present invention, fixture comprises the flange frame at the installing port place that is fixedly installed on lower air duct, flange frame middle part forms the through hole corresponding with installing port, and the area of this through hole is greater than the area of installing port, perpendicular to installing port direction, installing port drops in through hole completely, this kind of setting be for filter is inserted from the installing port of lower air duct or extraction in be not subject to the impact of flange frame, in addition, in the present invention, on at least one edge of flange frame, form card holding trough, rotation shift fork is set on end cap, on rotation shift fork, form and after rotating to an angle, be suitable for snapping onto the clamping side in card holding trough, during use, when filter is inserted into after installing port, by the rotation shift fork on rotating end cap, the clamping side that makes to rotate on shift fork snaps onto in the card holding trough of flange frame edge, thereby realize the locking to filter, filter sealing is fixed on to installing port place, guaranteed the job stability of filter, in addition, in the time of need to changing when filter appearance damage, by being rotated further rotation shift fork, thereby make the clamping side that rotates shift fork from card holding trough, screw out the release completing filter drawer, filter can be extracted out like a cork from installing port, both the reliability and stability in the time of can having guaranteed filter work by above setting, can when need to changing, filter to filter, change efficiently and easily again.
12. in the present invention, the fixture of filter comprises at least one installing hole of being molded on end cap, is molded at least one screwed hole of lower air duct corresponding position and is suitable for screwing at least one screw in installing hole and screwed hole, by tightening screw, end cap seal is fixed on to installing port place, when filter need to be dismantled, screw is backed out, then pull out filter, this kind of fixture structure is simple, and cost is low.
13. in the present invention, and filter is by arranging at least one handle on end cap, make end cap from the installing port of lower air duct, extract out and insertion process all more convenient, be conducive to improve the dismounting efficiency of filter.
14. in the present invention, by lower air duct, be set to large lower young inverted triangle structure suitable for reading, thereby cold air is blown into after lower air duct by its end opening (air inlet of lower air duct) by air pump, it is large that the space of air-flow process becomes gradually, air-flow velocity is also slack-off gradually, and the air-flow blast also large blast when just entering reduces gradually until tend to more suitable stationary value.
15. in the present invention, the cold air that cold air channel area by orifice plate is greater than filter course passes through area, make the cold air after filter course when by orifice plate, have the effect of injection, thereby be conducive to extend the range of cold air in cooler bin, be conducive to cold air and enter in cooler bin and carry out cooling to tow.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the explosive view of the air-supply arrangement for the synthesis of tow cooling of embodiments of the invention 1;
Fig. 2 is that embodiments of the invention 1 are for the synthesis of the installation diagram of the air-supply arrangement of tow cooling;
Fig. 3 is the schematic diagram of filter direction of insertion from lower air duct installing port of embodiments of the invention 1;
Fig. 4 is the structural representation of the filter of embodiments of the invention 1;
Fig. 5 is the partial enlarged drawing that the filter of embodiments of the invention 1 is connected with lower air duct;
Fig. 6 is the installation diagram of the air-supply arrangement for the synthesis of tow cooling of embodiments of the invention 2;
Fig. 7 is the structural representation of the filter of embodiments of the invention 2.
In figure, Reference numeral is expressed as: 1-end cap, 2-flange frame, 3-steel wire, 4-framework, 5-side angle aluminium assembly, aluminum corner brace assembly before 6-, 7-handle, 8-rotates shift fork, 81-clamping side, 9-nonwoven fabric filter course, 10-filter wire stratum reticulare, 11-cold air channel air inlet, 12-cold air channel air outlet, 13-inlet of cold air, 14 cold-air vents, 15-lower air duct, 151-installing port, 19-filter, 20-orifice plate, 21-supports stratum reticulare, 22-card holding trough, 23-through hole, 25-horizontal channel, 29-gusset.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
As Figure 1-5, the present embodiment provides a kind of air-supply arrangement for the synthesis of tow cooling, comprise and be suitable for the cold air channel that is communicated with described cooler bin, and the orifice plate 20 that is arranged on described cold air channel air outlet 12 and described cooler bin junction, in described cold air channel, be provided with for cold air being carried out to the filter 19 of voltage stabilizing filtration, the inlet of cold air 13 of described filter 19 is communicated with described cold air channel air inlet 11, and the cold-air vent 14 of described filter 19 is communicated with described cold air channel air inlet 11.This kind is arranged so that cool ambient air is entered after described cold air channel by described cold air channel air inlet 11, first through described filter 19, carry out one-level voltage stabilizing, keep blast stable, wind speed is even, afterwards, cold air carries out secondary voltage stabilizing through described orifice plate 20, like this, by the cold air after secondary voltage stabilizing, there is good uniform and stable property, thereby meet in cooler bin the requirement for blast and the wind speed of cold air; In addition, in the present embodiment, described filter 19 also has filtering and impurity removing function, the impurity entering in described cold air channel with cold air is being removed after described filter 19, therefore, by arranging of described filter 19, can guarantee that the cold air of being exported by described cold air channel is pure, thereby avoided wire mesh tube in described cooler bin because the impact of impurity needs the situation of frequent clean, certainly more there will not be impurity to stop up on wire mesh tube the situation for the air-vent of cooling polymer melt.
In the present embodiment, as shown in Fig. 1, Fig. 5 and Fig. 6, described filter also comprises filter course, described filter course is for carrying out filtering and impurity removing (said removal of impurities herein mainly refers to and removes the flying dust that is mixed in cold air) and voltage stabilizing to coming from the cold air of cold air channel air inlet 11, by blast and the wind speed that the cold air that can evenly enter cold air channel air inlet 11 is set of filter course, thereby make by the cold air of cold air channel air inlet 11 outputs uniform and stable; And the filtering and impurity removing function of filter course makes the cold air after described filter course filters pure, be conducive to slow down the filter pressure of the wire mesh tube of follow-up synthetic fiber beam cooling apparatus to cold air, therefore, this kind of setting is not only conducive to synthetic fiber beam cooling apparatus and molds high-quality synthetic tow, but also can extend the service life of wire mesh tube.
Particularly, in the present embodiment, as shown in Figure 4, described filter course comprises the filter wire stratum reticulare 10 with several filter mesh and the nonwoven fabric filter course 9 with several mesh, described filter wire stratum reticulare 10 and 8 stacks of described nonwoven fabric filter course arrange, and the filter mesh of described filter wire stratum reticulare 10 is corresponding with mesh whole or most described nonwoven fabric filter course 9, thereby guarantee that cold air can filter through described filter wire stratum reticulare 10 and described nonwoven fabric filter course 9 swimmingly.In the present embodiment, the intensity that can improve filter course integral body that arranges by described filter wire stratum reticulare 10, is conducive to extend the service life of filter course integral body; And by the further filter effect of intensive filtration layer that arranges of described nonwoven fabric filter course 9, make to alleviate the better effects if of blast and the wind speed of cold air, and described nonwoven fabric filter course 9 can also be realized the filtering and impurity removing to cold air, to sum up, the present embodiment is by the stratum reticulare that has different filtering functions by the two kinds use that is superimposed together, not only make the filter effect of filter course integral body more excellent, and can also guarantee the intensity of filter course integral body.
Further, on the basis of the above, the diameter of the filter mesh of the filter wire stratum reticulare 10 in the present embodiment is greater than the mesh diameter of described nonwoven fabric filter course 9, described cold air first passes through described filter wire stratum reticulare 10, after through described nonwoven fabric filter course 9, this kind of connection and reasonable arrangement is effective, first through the larger filter wire stratum reticulare 10 of mesh, carry out preliminary filtration, but also can guarantee the inlet of cold air, be unlikely to make the cold air amount by 12 outputs of cold air channel air outlet very few, thus the cooling effect of impact to tow; Through nonwoven fabric filter course 9, do further refinement again and filter, intensive filtration effect, this kind of filtration order from coarse to fine can guarantee that cold air inlet can guarantee the filter effect of filter again.
In the present embodiment, in order to reach optimum filter effect and the combination of cold air inlet, described filter wire stratum reticulare 10 is set to 1-10 layer, every layer of described filter wire stratum reticulare 10 is 50-100 order (order refers to the filter wire mesh hole count comprising in one inch of every layer of described filter wire stratum reticulare), but the setting of filtering silk screen 9 order numbers described in the setting of the stratum reticulare of filter wire described in the present embodiment 10 numbers of plies and every layer is to consider according to air channel circulation area size and the initial wind speed of introducing cold air.
Further, the thickness of the nonwoven fabric filter course in the present embodiment is 10-30mm.
It should be noted that, above setting does not form the concrete restriction to above parameter in the present invention, should not become the restriction of doctrine of equivalents yet.
Further, in the present embodiment, described filter course also comprises and is positioned at described filter wire stratum reticulare 10 belows for supporting the support stratum reticulare 21 of described filter wire stratum reticulare 10 and described nonwoven fabric filter course 9, described support stratum reticulare 21 has several and supports mesh, the diameter of described support mesh is greater than the diameter of described filter mesh, this support stratum reticulare 21 is greater than the support mesh of filter mesh diameter by several diameters of moulding thereon, making to support stratum reticulare 21 can tentatively filter cold air filter wire stratum reticulare 10 is front, and can not reduce the cold air amount by filter wire stratum reticulare 10, in addition, the support stratum reticulare 21 of the present embodiment has good intensity, support stratum reticulare 21 is arranged on to filter wire stratum reticulare 10 belows can play a supporting role to filter wire stratum reticulare 10 and nonwoven fabric filter course 9, be conducive to improve the functional reliability of filter course integral body.
As shown in Figure 4, filter described in the present embodiment also comprises and being positioned on described filter course for compressing the steel wire 3 of described filter course, in the present embodiment, described steel wire 3 is molded on described filter wire stratum reticulare 10, and described nonwoven fabric filter course 9 is clipped between described steel wire 3 and described filter wire stratum reticulare 10.In the present embodiment, by be provided on the whole compressing the described steel wire 3 of filter course integral body at filter course, effectively prevent the wire side distortion of filter wire stratum reticulare 10 and support stratum reticulare 21, further improved the functional reliability of filter course integral body.
As a kind of distortion of 3 set-up modes of steel wire described in the present embodiment, described steel wire 3 can also have other set-up modes, for example, can be molded over and support on stratum reticulare 21, or be fixedly installed on framework 4.
In the present embodiment, as Figure 1-4, in order better filter course sealing to be fixed in described lower air duct 15, described filter also comprises framework 4, described filter course is arranged on described framework 4, described framework 4 is connected with the inner wall sealing of described cold air channel, the setting party of described framework 4 fairly simple while sealing between the installation of filter course and described framework 4 and cold air channel inwall, for example can between described framework 4 and described cold air channel inwall, sealing ring (sealing ring shape and frame shape are identical) be set, also can be between described framework 4 and described cold air channel inwall gluing, certainly also have other sealing means, the present embodiment is not done concrete restriction to sealing means between framework described in the present invention 4 and described cold air channel inwall.
In the present embodiment, as depicted in figs. 1 and 2, described cold air channel comprises the lower air duct 15 that is suitable for the horizontal channel 25 being connected with described cooler bin and is connected in 25 belows, described horizontal channel, as the preferred embodiments of the present invention, the described lower air duct 15 of the present embodiment and vertical connection of described horizontal channel 25.
As a kind of distortion of the present embodiment, described lower air duct 15 can also be in a certain angle with described horizontal channel 25 in vertical direction, and even described lower air duct 15 can also be parallel with described horizontal channel 25.
As depicted in figs. 1 and 2, the air inlet of described horizontal channel 25 is communicated with the air outlet of described lower air duct 15, the air outlet of described horizontal channel 25 is described cold air channel air outlet 12, the air inlet of described lower air duct 15 is described cold air channel air inlet 11, in the present embodiment, the wind speed that horizontal channel 25 makes to come from the cold air of lower air duct 15 is set effectively to be alleviated in both junctions, the cold air wind speed of avoiding coming from lower air duct 15 is excessive, and, by arranging of horizontal channel 25, by vertical direction, change the circulating direction of cold air into horizontal direction, so that the cooling devices such as cooler bin are set in the horizontal direction, cold air channel entire length is shortened, take up space and diminish, be conducive to equipment reasonable Arrangement in factory building.
Further, in the present embodiment, described filter 19 is arranged on the air outlet place of described lower air duct 15 hermetically, thereby make described filter 19, described orifice plate 20 and described horizontal channel 25 between the two have together formed cold air pressure stabilizing chamber, it should be noted that, the formation of described cold air pressure stabilizing chamber is by adopting blast instrument at test phase, the measuring instruments such as anemobiagraph are measured in real time to the blast of indoor cold air and wind speed, then regulate the position of described filter 19 in described cold air channel, thereby while demonstrating rational numerical value by blast instrument and anemobiagraph, determine described filter 19 installation sites, and finally determine that described filter 19 is installed to the air outlet place of described lower air duct 15 (being described lower air duct 15 and 25 junctions, described horizontal channel).
In the present embodiment, come from the cold air of lower air duct after filter 19 filters, enter in described pressure stabilizing chamber, in pressure stabilizing chamber, the inwall of horizontal channel 25 makes the circulation of cold air become mild and even, thereby the cold air blast, the wind speed that make to enter into orifice plate 20 all reach reasonable numerical value, thereby established good basis for the further voltage stabilizing of orifice plate 20.
Correspondingly, on the sidewall at described lower air duct 15 air outlet places, offer installing port 151, described framework 4 is suitable for from the installing port 151 of described lower air duct 15, inserting and being connected with the inner wall sealing of described lower air duct 15.In the present embodiment, described installing port 151 is rectangle, and the insertion end of described framework 4 is rectangle, and its size and described installing port 151 sizes are quite or be slightly less than the size of described installing port 151.In the present embodiment, by framework 4 is set, can prevent that the cold air of being introduced by lower air duct air inlet from side leakage occurring when through described filter 19, thereby this kind setting can keep cold air stable gas pressure in lower air duct, guarantees flow of cooled air uniformity.
As a kind of distortion of the present embodiment, the shape of described installing port 151 and framework 4 insertion ends can also be set to the strip shape that two ends are circular arc.
In the present embodiment, as shown in Figure 1, Figure 3 and Figure 4, described filter also comprises end cap 1 and the fixture of the relative one end that is fixed on described framework 4 insertion ends, and described fixture is fixed on described installing port 151 places for after inserting described installing port 151 at described framework 4 by described end cap 1 sealing.In the present embodiment, the described framework 4 that is arranged so that described filter by described end cap 1 is after inserting described installing port 151, end cap 1 covers installing port 151, and the end cap that is arranged so that by fixture can seal installing port 151 places that are fixed on lower air duct 15, this kind of setting both prevented that the cold air of outside air in the gap inflow lower air duct 15 between installing port 151 and framework 4 and in the lower air duct 15 causing from flowing unsettled problem, simultaneously, by fixture, end cap 1 is fixed on to installing port place, filter functional reliability and stability have been guaranteed.
Particularly, described fixture comprises the flange frame 2 that is fixed on described installing port 151 places, described flange frame 2 middle parts form the strip shape through hole 23 communicating with described installing port 151, on the edge up and down of described flange frame 2, relatively form three groups of card holding troughs 22, described card holding trough 22 is strip shape through hole, the upper and lower side edge of described end cap 1 forms two corresponding flange back to direction of insertion turnover, two flange form three groups of perforation at correspondence position, at described punch position place, described in two, between flange, be welded with gusset 29, certainly gusset 29 also can be fixed by other conventional fixed forms, gusset 29 plays the effect to described end cap 1 fixing strengthening, described gusset 29 is provided with hole, between described gusset 29 and the described card holding trough 22 of described flange frame 2, three rotation shift forks 8 are set, on described rotation shift fork 8, form the hole relative with described gusset 29, during installation, described rotation shift fork 8 pastes with upper both holes of upper moulding and communicates, in the hole communicating at both, be suitable for the rotary handle of pegging graft, such as star hand wheel etc., on described rotation shift fork 8, form clamping side 81, in the present embodiment, described clamping side 81 is the described flange frame that is suitable for snapping onto correspondence after rotation that the takes shape in described rotation shift fork two ends 8 Shang Xia arc-shaped edges in the described strip shape through hole on edge Shang Xia 2.
As a kind of distortion of the present embodiment, the number of the group number of described card holding trough 22 and corresponding rotation shift fork 8 can also be one, two, four, five etc.
During use, when described filter 19 is inserted into after described installing port 151, by rotating described rotary handle, drive described rotation shift fork 8 to rotate, thereby make described rotation shift fork Shang Xia 8 the described clamping side 81 at two ends snap onto described flange frame Shang Xia 2 in the described card holding trough 22 on edge, to realize the sealing locking to filter, described being locked as is fixed on described installing port 151 places by filter sealing, and this arranges the job stability that has guaranteed filter, in addition, in the time of need to changing when filter appearance damage, by being rotated further rotary handle described in described rotary handle or opposite spin, make described rotary handle continue to drive described rotation shift fork 8 to rotate, the described clamping side 81 of described rotation shift fork 8 is screwed out from described card holding trough 22, thereby complete crossing the described release to filter drawer 19, thereby described filter 19 can be extracted out like a cork from described installing port, both the reliability and stability in the time of can having guaranteed filter work by above setting, can when need to changing, filter to filter, change efficiently and easily again.
Further, in the present embodiment, in described lower air duct 15, be also provided with the first fixture that the part for described filter 19 is positioned to described lower air duct 15 is fixed, described the first fixture comprises the front aluminum corner brace assembly 6 on the sidewall corresponding with described clamping side 81 that is fixed on described lower air duct 15 and is fixed on the side angle aluminium assembly 5 at described clamping side 81 places of described lower air duct 15, described front aluminum corner brace assembly 6 and described side angle aluminium assembly 5 comprise respectively symmetrically arranged upper aluminum corner brace and lower aluminum corner brace, the vertical end of described upper aluminum corner brace and described lower aluminum corner brace is connected by screw or Type of Welding is fixed on the inwall of described lower air duct 15, between described upper aluminum corner brace and the horizontal ends of described lower aluminum corner brace, leave the suitable gap of a side height corresponding to described framework 4, during use, after described filter inserts from described installing port 151, the described framework 4 of described filter is just in time sandwiched in the upper of described front aluminum corner brace assembly 6 along the inner terminal of direction of insertion, in gap between lower aluminum corner brace horizontal ends, close described installing port 151 place's parts of the described framework 4 of described filter are just in time sandwiched in the upper of described side angle aluminium assembly 5, in gap between the horizontal ends of lower aluminum corner brace, by arranging of described the first fixture is further, improved described filter functional reliability.
In the present embodiment, as shown in Figure 3, described end cap 1 is provided with at least one handle 7, by described handle 7 be arranged so that the process that end cap 1 extracts out and insert from the installing port 151 of lower air duct 15 is all more convenient, be conducive to improve the dismounting efficiency of filter.In the present embodiment, described handle 7 is set to two, but is not limited to two.
In the present embodiment, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 6, described lower air duct 15 is large lower young inverted triangle structure suitable for reading, the air-admitting surface of described lower air duct 15 is less than the air outlet area of described lower air duct 15, the present embodiment is by being set to described lower air duct 15 large lower young inverted triangle structure suitable for reading, thereby the end opening (air inlet of lower air duct) by described lower air duct 15 is blown into after described lower air duct 15 by air pump to make cold air, it is large that the space of air-flow process becomes gradually, air-flow velocity is also slack-off gradually, the air-flow blast also large blast when just entering reduces gradually until tend to more suitable stationary value.
In addition, in the present embodiment, the cold air that the cold air of described orifice plate 20 is greater than filter course by area passes through area, by this kind, be arranged so that the cold air after described filter course has the effect of injection when by described orifice plate 20, thereby be conducive to extend the range of cold air in cooler bin, be conducive to cold air and enter in cooler bin tow cooling.
The present embodiment provides a kind of air-supply arrangement for the synthesis of tow cooling, and it is the distortion on embodiment 1 basis, and it is from the difference of embodiment 1: the setting position of described card holding trough 22 on described flange frame 2 is different with embodiment 1.
In the present embodiment, described card holding trough 22 is arranged on the side frame of described flange frame 2, can on Dan Yi side frame, described card holding trough 22 be set, also described card holding trough 22 can be all set on the frame of both sides, described rotation shift fork 8 is separately positioned on the position near card holding trough 22 described in both sides, the height of described flange frame 2 upper and lower side frames is greater than the length of described rotation shift fork 8, make the described rotation shift fork 8 can be in the interior rotation of described flange frame 2, during use, rotate described rotation shift fork 8, when described rotation shift fork 8 turns to horizontal level, the described clamping side 81 of the circular arc of one end of described rotation shift fork 8 just in time snaps onto in the described card holding trough 22 on described flange frame 2 side frames, thereby realize the locking to described filter.Be rotated further described rotation shift fork 8, or along rotating shift fork 8 described in counter-rotation, when the described clamping side 81 of described rotation shift fork 8 screws out completely from described card holding trough 22, realize the release to described filter, now pull described handle 7 like a cork described filter to be pulled out in lower air duct 15.
Embodiment 3
The present embodiment provides a kind of air-supply arrangement for the synthesis of tow cooling, and it is the distortion on embodiment 1 basis, and it is from the difference of embodiment 1: the concrete structure of described fixture is different with embodiment 1.
As shown in Figure 6 and Figure 7, in the present embodiment, described fixture comprise be molded over described end cap 1 a plurality of installing holes, be molded over the screwed hole corresponding with described installing hole and the screw of corresponding position of the sidewall of described lower air duct 15, by screw in screw in described installing hole and described screwed hole, the sidewall of described end cap 1 and described lower air duct 15 can be fixed, thereby realization is fixing to described filter, and this kind of fixture structure is simple, and cost is low.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (18)
1. the air-supply arrangement for the synthesis of tow cooling, comprise and be suitable for the cold air channel that is communicated with cooler bin, described cold air channel has cold air channel air inlet (11) and cold air channel air outlet (12), in described cold air channel air outlet (12) and cooler bin junction, orifice plate (20) is set;
It is characterized in that: in described cold air channel, be provided with for cold air being carried out to the filter (19) of voltage stabilizing filtration, the inlet of cold air (13) of described filter (19) is communicated with described cold air channel air inlet (11), and the cold-air vent (14) of described filter (19) is communicated with described cold air channel air outlet (12).
2. the air-supply arrangement for the synthesis of tow cooling according to claim 1, it is characterized in that: described filter (19) comprises filter course, described filter course comprises the filter wire stratum reticulare (10) with several filter mesh and the nonwoven fabric filter course (9) with several mesh.
3. the air-supply arrangement for the synthesis of tow cooling according to claim 2, it is characterized in that: the diameter of the filter mesh of described filter wire stratum reticulare (10) is greater than the mesh diameter of described nonwoven fabric filter course (9), described cold air first passes through described filter wire stratum reticulare (10), after through described nonwoven fabric filter course (9).
4. the air-supply arrangement for the synthesis of tow cooling according to claim 3, is characterized in that: described filter wire stratum reticulare (10) is set to 1-10 layer, and every layer of described filter wire stratum reticulare (10) is 50-100 order.
5. the air-supply arrangement for the synthesis of tow cooling according to claim 4, is characterized in that: described nonwoven fabric filter course (9) thickness is 10-30mm.
6. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 2-5, it is characterized in that: described filter course also comprises and is positioned at the support stratum reticulare (21) that described filter wire stratum reticulare (10) below is used for supporting described filtration stratum reticulare (10) and described nonwoven fabric filter course (9), described support stratum reticulare (21) has several and supports mesh, and the diameter of described support mesh is greater than the diameter of described filter mesh.
7. the air-supply arrangement for the synthesis of tow cooling according to claim 6, is characterized in that: described filter (19) also comprises and being positioned on described filter course, for compressing the steel wire (3) of described filter course.
8. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 1-7, it is characterized in that: described filter (19) also comprises framework (4), it is upper that described filter course is arranged on described framework (4), and described framework (4) is connected with the inner wall sealing of described cold air channel.
9. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 1-8, it is characterized in that: described cold air channel comprises and is suitable for the horizontal channel (25) that is connected with described cooler bin, and the lower air duct (15) that is connected in below, described horizontal channel (25), the air inlet of described horizontal channel (25) is communicated with the air outlet of described lower air duct (15), the air outlet of described horizontal channel (25) is described cold air channel air outlet (12), and the air inlet of described lower air duct (15) is described cold air channel air inlet (11).
10. the air-supply arrangement for the synthesis of tow cooling according to claim 9, is characterized in that: the air outlet that described filter (19) is arranged on described lower air duct (15) is hermetically sentenced and made described filter (19), described orifice plate (20) and described horizontal channel between the two together form cold air pressure stabilizing chamber.
11. according to the air-supply arrangement for the synthesis of tow cooling described in claim 9 or 10, it is characterized in that: on the sidewall at described lower air duct (15) air outlet place, offer and be suitable for the installing port (151) that described framework (4) inserts.
12. air-supply arrangements for the synthesis of tow cooling according to claim 11, it is characterized in that: described filter (19) also comprises the end cap (1) of the relative one end that is fixed on described framework (4) insertion end, described framework (4) is from described installing port (151) inserts in described cold air channel, and described end cap (1) is sealed and is fixed on described installing port (151) and locates by fixture.
13. air-supply arrangements for the synthesis of tow cooling according to claim 12, it is characterized in that: described fixture comprises and is fixed on the flange frame (2) that described installing port (151) is located, the through hole (23) at described flange frame (2) middle part communicates with described installing port (151), on at least one edge of described flange frame (2), form card holding trough (22), described fixture also comprises the rotation shift fork (8) being arranged on described end cap (1), described rotation shift fork (8) forms by rotation and is suitable for snapping onto the clamping side (81) in described card holding trough (22).
14. air-supply arrangements for the synthesis of tow cooling according to claim 13, it is characterized in that: card holding trough (22) described in relatively forming at least one group on the edge up and down of described flange frame (2), described card holding trough (22) is strip shape through hole, described end cap (1) is provided with described at least one corresponding with described card holding trough (22) and rotates shift fork (8), described clamping side (81) for take shape in the upper and lower two ends of described rotation shift fork (8) be suitable for after rotation, snap onto the arc-shaped edges in the described strip shape through hole on the upper and lower edge of corresponding described flange frame (2).
15. air-supply arrangements for the synthesis of tow cooling according to claim 12, is characterized in that: described fixture comprises at least one installing hole of being molded on described end cap (1), is molded at least one screwed hole of described lower air duct (15) corresponding position and is suitable for screwing at least one screw in described installing hole and described screwed hole.
16. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 12-15, it is characterized in that: described end cap (1) is provided with at least one handle (7).
17. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 9-16, it is characterized in that: described lower air duct (15) is large lower young inverted triangle structure suitable for reading, and the air-admitting surface of described lower air duct (15) is less than the air outlet area of described lower air duct (15).
18. according to the air-supply arrangement for the synthesis of tow cooling described in any one in claim 1-17, it is characterized in that: the cold air that the cold air of described orifice plate (20) is greater than filter course by area passes through area.
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| CN201310492025.3A CN103526312B (en) | 2013-10-18 | 2013-10-18 | For synthesizing the air-supply arrangement of tow cooling |
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| CN201310492025.3A CN103526312B (en) | 2013-10-18 | 2013-10-18 | For synthesizing the air-supply arrangement of tow cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177427A (en) * | 2018-07-20 | 2019-01-11 | 盐城市佰瑞达体育用品有限公司 | A kind of sun-proof tentage cloth Special cooling device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19903164A1 (en) * | 1998-11-25 | 2000-08-03 | Tseng Ching Kun | Cooling assembly for filaments/threads to form yarns has a cool air channel and a rapid cool air converging section with inner axial tubes as passages with throttle mantle openings to draw air in on all sides |
| JP2009150037A (en) * | 2007-11-29 | 2009-07-09 | Toray Ind Inc | Cooling device for spinning and melt-spinning method |
| CN201420114Y (en) * | 2008-09-16 | 2010-03-10 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of synthetic tows |
| CN201501944U (en) * | 2009-09-01 | 2010-06-09 | 浙江科丝龙实业有限公司 | Cross air blasting device for spinning combined machine |
| CN201512610U (en) * | 2009-09-23 | 2010-06-23 | 山东海龙博莱特化纤有限责任公司 | Cross air blowing device used for melting-method filament spinning |
| CN102051694A (en) * | 2009-11-06 | 2011-05-11 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of artificial filaments |
| JP2011153391A (en) * | 2010-01-28 | 2011-08-11 | Teijin Fibers Ltd | Yarn-cooling apparatus, and melt-spinning method |
| CN102199797A (en) * | 2011-06-15 | 2011-09-28 | 大连合成纤维研究设计院股份有限公司 | New spinning quenching unit |
| CN201990776U (en) * | 2011-01-22 | 2011-09-28 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of synthetic filaments |
| CN102268749A (en) * | 2010-06-04 | 2011-12-07 | 日本Tmt机械株式会社 | Filament cooler |
| CN202099428U (en) * | 2011-04-21 | 2012-01-04 | 大连合成纤维研究设计院股份有限公司 | Spinning-side blowing cooler |
| CN202830263U (en) * | 2012-08-11 | 2013-03-27 | 晋江市兴泰无纺制品有限公司 | Spun-boned cross air blow voltage regulating device |
| CN203546223U (en) * | 2013-10-18 | 2014-04-16 | 王振海 | Air supplier for cooling synthetic tows |
-
2013
- 2013-10-18 CN CN201310492025.3A patent/CN103526312B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19903164A1 (en) * | 1998-11-25 | 2000-08-03 | Tseng Ching Kun | Cooling assembly for filaments/threads to form yarns has a cool air channel and a rapid cool air converging section with inner axial tubes as passages with throttle mantle openings to draw air in on all sides |
| JP2009150037A (en) * | 2007-11-29 | 2009-07-09 | Toray Ind Inc | Cooling device for spinning and melt-spinning method |
| CN201420114Y (en) * | 2008-09-16 | 2010-03-10 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of synthetic tows |
| CN201501944U (en) * | 2009-09-01 | 2010-06-09 | 浙江科丝龙实业有限公司 | Cross air blasting device for spinning combined machine |
| CN201512610U (en) * | 2009-09-23 | 2010-06-23 | 山东海龙博莱特化纤有限责任公司 | Cross air blowing device used for melting-method filament spinning |
| CN102051694A (en) * | 2009-11-06 | 2011-05-11 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of artificial filaments |
| JP2011153391A (en) * | 2010-01-28 | 2011-08-11 | Teijin Fibers Ltd | Yarn-cooling apparatus, and melt-spinning method |
| CN102268749A (en) * | 2010-06-04 | 2011-12-07 | 日本Tmt机械株式会社 | Filament cooler |
| CN201990776U (en) * | 2011-01-22 | 2011-09-28 | 欧瑞康纺织有限及两合公司 | Device for cooling a plurality of synthetic filaments |
| CN202099428U (en) * | 2011-04-21 | 2012-01-04 | 大连合成纤维研究设计院股份有限公司 | Spinning-side blowing cooler |
| CN102199797A (en) * | 2011-06-15 | 2011-09-28 | 大连合成纤维研究设计院股份有限公司 | New spinning quenching unit |
| CN202830263U (en) * | 2012-08-11 | 2013-03-27 | 晋江市兴泰无纺制品有限公司 | Spun-boned cross air blow voltage regulating device |
| CN203546223U (en) * | 2013-10-18 | 2014-04-16 | 王振海 | Air supplier for cooling synthetic tows |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177427A (en) * | 2018-07-20 | 2019-01-11 | 盐城市佰瑞达体育用品有限公司 | A kind of sun-proof tentage cloth Special cooling device |
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|---|---|
| CN103526312B (en) | 2017-12-01 |
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