CN218812290U - Crude fiber melt-blown cooling device - Google Patents
Crude fiber melt-blown cooling device Download PDFInfo
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- CN218812290U CN218812290U CN202223163655.XU CN202223163655U CN218812290U CN 218812290 U CN218812290 U CN 218812290U CN 202223163655 U CN202223163655 U CN 202223163655U CN 218812290 U CN218812290 U CN 218812290U
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- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a thick fibre melts and spouts cooling device, including the spinning box, be provided with the spinneret orifice on the spinning box, the spinneret orifice sets up with the receiving roll relatively, and the interval sets up and forms one section spinneret region between the two, the top of spinneret region rotationally is provided with first cooling medium injection pipe, the bottom of spinneret region rotationally is provided with second cooling medium injection pipe, just first cooling medium injection pipe and second cooling medium injection union coupling cooling medium generating device. The scheme ensures that the spraying range of the cooling medium spraying pipe covers the whole spinning area, and the problems of poor local cooling effect, mutual interference of cooling media and the like can be avoided.
Description
Technical Field
The utility model relates to a melt the field, especially relate to a thick fiber melts and spouts cooling device.
Background
The coarse filtering layer of the melt-blown filter element is composed of thicker fibers, so that impurities with thicker particle sizes can be filtered, and meanwhile, the structural rigidity is provided for the filter element. The diameter of the coarse fiber is larger than that of the common fiber, so that the coarse fiber is difficult to finish cooling in a spinning process, the distance between a spinning assembly of the coarse fiber and a receiving roller of a filter element is increased in the conventional cooling method, but the distance between the spinning assembly and the receiving roller of the filter element is prolonged, the spinning position of the melt-blown fiber sprayed by the spinning assembly is difficult to control, the melt-blown fiber is easy to scatter to the outside of the receiving roller, in addition, the coarse fiber with the larger diameter cannot be fully cooled in the limited distance, so that monofilaments which cannot be fully cooled are in a flat state, coarse knots are bonded at the cross points of the melt-blown fiber, the porosity of the filter element made of the coarse fiber filter layer is greatly reduced, the fiber distribution is uneven, the structural rigidity is poor, and the service life is short.
In order to increase the cooling effect of the melt-blown fiber in the spinning process, the conventional cooling method is to accelerate the cooling of the fiber by water cooling, for example, in the utility model with the publication number of CN204417673U and the patent name of "a melt-blown fiber cooling device", ejectors are symmetrically distributed on two sides of the spinneret plate at equal intervals, and the atomization of the cooling water is realized by the atomizers, thereby effectively improving the cooling effect of the fiber. However, the ejectors in the device are arranged on two sides of the spinneret plate, the temperature of melt spinning is high, the spinning speed is high, the water mist is light, the ejection distance and the ejection speed are limited by the ejectors, and water in the water mist can be vaporized to form water vapor when encountering high temperature, the cooling effect and the diffusion speed are further limited, further, the ejection direction of the water mist is blocked by the spinning direction, and the high-speed spinning can also influence the diffusion direction of the water mist, so that in practical application, particularly when one or more rows of spinning holes are arranged on the spinning box, the cooling effect of the melt-blown fibers close to the ejectors on two sides is good, the melt-blown fibers sprayed from the middle spinning holes are not easy to be cooled and easy to be sticky, and form coarse knots, and influence the porosity and the structural rigidity of the filter element. If for the spray range of extension water smoke, increase the jet power of sprayer, improve the jet output and the jet speed of water smoke, need consume more energy on the one hand, on the other hand, the water smoke volume that is located the spinning contact of both sides is great, and when the rolling, the water smoke that is located on the spinning of both sides can't evaporate completely, influences the filter effect.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above problems, the present invention provides a crude fiber melt-blowing cooling device.
The utility model discloses a realize through following technical scheme:
a coarse fiber melt-blown cooling device comprises a spinning box body, wherein a spinneret orifice is arranged on the spinning box body, the spinneret orifice and a receiving roller are oppositely arranged, a section of spinneret area is formed between the spinneret orifice and the receiving roller at intervals, a first cooling medium jet pipe is rotatably arranged at the top of the spinneret area, a second cooling medium jet pipe is rotatably arranged at the bottom of the spinneret area, the first cooling medium jet pipe and the second cooling medium jet pipe are connected with a cooling medium generating device, the spinneret orifice is arranged along the length direction of the first cooling medium jet pipe and the second cooling medium jet pipe, the jet range of the first cooling medium jet pipe and the second cooling medium jet pipe comprises the spinneret area between the spinneret orifice and the receiving roller, and the jet direction of the first cooling medium jet pipe and the jet direction of the second cooling medium jet pipe are changed along with the rotation direction of the first cooling medium jet pipe and the second cooling medium jet pipe.
Preferably, the first cooling medium injection pipe and the second cooling medium injection pipe are provided with cooling medium injection holes, in an initial state, the cooling medium injection holes of the two cooling medium injection pipes are opposite to the spinning region and are respectively vertical to the spinning direction of the spinning holes, and the first cooling medium injection pipe and the second cooling medium injection pipe rotate in a reciprocating manner within an angle of 10-90 degrees.
Preferably, the cooling medium injection holes on the first cooling medium injection pipe and the cooling medium injection holes on the second cooling medium injection pipe are arranged at intervals, and the hole pitches of the cooling medium injection holes on the first cooling medium injection pipe and the second cooling medium injection pipe are the same.
Preferably, the first cooling medium injection pipe and the second cooling medium injection pipe are provided with water mist injection holes, the cooling medium generation device is a water mist generation device, two ends of the first cooling medium injection pipe and two ends of the second cooling medium injection pipe are respectively connected with the water mist generation device, the diameters of the first cooling medium injection pipe and the second cooling medium injection pipe are 50-300 mm, the temperature of the water mist is less than or equal to 20 degrees, and the speed of the water mist is less than or equal to 1m/min.
Preferably, the first cooling medium injection pipe is provided with a cold air blowing hole, the second cooling medium injection pipe is provided with a water mist injection hole, the first cooling medium injection pipe is connected with an air cooler, and the second cooling medium injection pipe is connected with a water mist generation device.
Preferably, the first cooling medium injection pipe and the second cooling medium injection pipe are simultaneously provided with a water mist injection hole and a cold air blowing hole, and the first cooling medium injection pipe and the second cooling medium injection pipe are respectively connected with an air cooler and a water mist generation device.
Preferably, a cold air delivery pipe and a water mist delivery pipe are respectively arranged in the first cooling medium injection pipe and the second cooling medium injection pipe, the cold air delivery pipe is connected with an air cooler and communicated with a cold air blowing hole, and the water mist delivery pipe is connected with a water mist generating device and communicated with a water mist spraying hole.
Preferably, the first cooling medium injection pipe is arranged at the top of the spinning beam, the second cooling medium injection pipe is arranged at the bottom of the spinning beam, and the rotation directions of the first cooling medium injection pipe and the second cooling medium injection pipe are opposite.
Preferably, the first cooling medium injection pipe is arranged at the top of the spinning beam, the second cooling medium injection pipe is arranged at the bottom of the receiving roller, and the rotation directions of the first cooling medium injection pipe and the second cooling medium injection pipe are the same.
Preferably, the cooling medium injection holes on the first cooling medium injection pipe and the second cooling medium injection pipe are circular or slit-shaped, and when the cooling medium injection holes are circular, the diameter of the cooling medium injection holes is 5mm-15mm.
The utility model discloses technical scheme's beneficial effect mainly embodies:
1. the first cooling medium injection pipe and the second cooling medium injection pipe are arranged at the upper end and the lower end of a spinning area between the spinning holes and the receiving roller, and the spinning holes are arranged along the length direction of the first cooling medium injection pipe and the second cooling medium injection pipe, so that the whole spinning area is covered by the injection range of the first cooling medium injection pipe and the second cooling medium injection pipe, and the problem of poor local cooling effect is avoided.
2. The rotation direction between the first cooling medium injection pipe and the second cooling medium injection pipe is controlled, and the arrangement positions of the cooling medium injection holes on the two cooling medium injection pipes are arranged at intervals, so that the mutual interference between the cooling media caused by too close spinning distance between the cooling medium injection holes in the same row is avoided while the injection range and the injection density of the cooling medium are ensured.
3. Set up the cold wind blowhole when setting up water smoke jet orifice, when water smoke meets heat and produces a large amount of vapor, the cold wind that the cold wind blowhole blew out can blow away vapor, ensures to receive the fibre's of melting on the roller aridity, and cold wind also possesses cooling function simultaneously, can not influence cooling efficiency, and in the preferred embodiment, the top sets up the mode that the cold wind bottom set up water smoke and can not blow away water smoke, can blow away vapor simultaneously, ensures cooling efficiency.
Drawings
FIG. 1 is a schematic view of the operation of a crude fiber melt-blowing cooling device (in this case, the cooling medium injection holes are circular);
FIG. 2 is a schematic view showing the operation state of the crude fiber melt-blowing cooling device (in this case, the cooling medium injection holes are slit-shaped);
fig. 3 is a schematic view showing an operating state in which the cooling medium injection pipe is provided with both the water mist injection hole and the cold air blowing hole.
Detailed Description
In order that the objects, advantages and features of the invention may be more clearly and specifically shown and described, there shall now be shown and explained by way of non-limiting illustration of preferred embodiments. The embodiment is only a typical example of applying the technical solution of the present invention, and all the technical solutions formed by adopting equivalent replacement or equivalent transformation fall within the scope of the present invention.
It is also stated that in the description of the embodiments, it is to be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first" and "second" in this document are used for descriptive purposes only and are not to be construed as indicating or implying a ranking of importance or an implicit indication of the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the present invention, "a plurality" means two or more unless specifically defined otherwise.
The utility model discloses a thick fibre melts and spouts cooling device, as shown in figure 1, figure 2, including spinning box 3, be provided with the spinneret orifice on the spinning box 3, the spinneret orifice sets up with the receiving roll relatively, and the interval sets up between the two and forms one section and spouts the silk region, specifically, it includes at least one section distance between spinning box 3's spinneret orifice, receiving roll and spinneret orifice to the receiving roll to spout the silk region.
The top of the spinning area is rotatably provided with a first cooling medium injection pipe 1, the bottom of the spinning area is rotatably provided with a second cooling medium injection pipe 2, in some embodiments, the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are driven by a speed reducing motor to rotate, and the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are connected with a cooling medium generating device 4.
The spinneret orifices are arranged along the length direction of the first cooling medium jet pipe 1 and the second cooling medium jet pipe 2, the jet range of the first cooling medium jet pipe 1 and the second cooling medium jet pipe 2 comprises a spinneret area between the spinneret orifices and a receiving roller, and the jet directions of the first cooling medium jet pipe 1 and the second cooling medium jet pipe 2 are changed along with the rotation direction of the first cooling medium jet pipe 1 and the second cooling medium jet pipe 2, so that the jet ranges of the first cooling medium jet pipe 1 and the second cooling medium jet pipe 2 can cover the whole spinneret area.
The first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are provided with cooling medium injection holes 5, specifically, the arrangement direction of the spinneret holes is parallel to the arrangement direction of the cooling medium injection holes 5 on the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2, in an initial state, the cooling medium injection holes 5 of the two cooling medium injection pipes are opposite to the spinneret area and are respectively vertical to the spinneret direction of the spinneret holes, specifically, the cooling medium injection holes 5 on the first cooling medium injection pipe 1 arranged at the top of the spinneret area are downwards arranged in the initial state and are vertical to the spinneret direction of the spinneret holes, the cooling medium injection holes 5 on the second cooling medium injection pipe 2 arranged at the bottom of the spinneret area are upwards arranged in the initial state and are vertical to the spinneret direction of the spinneret holes, and the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 rotate in a reciprocating manner within an angle of 10-90 degrees.
In some embodiments, the first cooling medium injection pipe 1 is disposed at the top of the spinning beam 3, the second cooling medium injection pipe 2 is disposed at the bottom of the spinning beam 3, and the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 rotate in opposite directions, while the cooling medium injected from the cooling medium injection holes 5 of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 rotate in the same direction.
In other embodiments, the first cooling medium injection pipe 1 is arranged at the top of the spinning beam 3, the second cooling medium injection pipe 2 is arranged at the bottom of the receiving roller, the rotation directions of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are the same, the cooling media injected from the cooling medium injection holes 5 on the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 move in opposite directions, and the cooling media injected from the two cooling medium injection pipes move in a staggered manner on the upper and lower surfaces of the spinning beam, so that the cooling efficiency is improved.
In other embodiments, the first cooling medium injection pipe 1 is disposed at the top of the middle position between the spinning beam 3 and the receiving roller, the second cooling medium injection pipe 2 is disposed at the bottom of the middle position between the spinning beam 3 and the receiving roller, and the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 swing in the same direction or in opposite directions.
In a preferred embodiment, the cooling medium injection holes 5 on the first cooling medium injection pipe 1 and the cooling medium injection holes 5 on the second cooling medium injection pipe 2 are arranged at intervals, and the hole pitches of the cooling medium injection holes 5 on the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are the same, so that the density of the injection range of the cooling medium is ensured, the distance between the cooling medium injection holes 5 in the same row is not too close, and the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 rotate in a reciprocating manner within an angle of 10 ° to 90 °, so that the cooling medium injected from the two rows of cooling medium injection holes 5 cools the melt-blown fibers 6 at the positions in the spinning region within the respective injection range, thereby ensuring that the cooling medium injected from the cooling medium injection holes 5 in the same row does not interfere with each other.
In an embodiment, the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are provided with water mist injection holes, the cooling medium generator 4 is a water mist generator, in order to balance the spraying amount of the water mist injection holes at the two ends of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2, the two ends of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are respectively connected with the water mist generator, the diameters of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are 50mm-300mm, the water mist temperature is less than or equal to 20 °, and the water mist speed is less than or equal to 1m/min.
As shown in fig. 3, in a preferred embodiment, the first cooling medium injection pipe 1 is provided with a cold air blowing hole, the second cooling medium injection pipe 2 is provided with a water mist spraying hole, the first cooling medium injection pipe 1 is connected with an air cooler, the second cooling medium injection pipe 2 is connected with a water mist generating device, the melt-blown fibers 6 are cooled by cold air and water mist at the same time, in addition, the first cooling medium injection pipe 1 arranged at the top of the spinning area blows away water vapor generated by the water mist sprayed from the second cooling medium injection pipe 2 contacting the melt-blown fibers 6 with higher temperature through cold air, so that the fibers are kept dry after being wound on the receiving roller, meanwhile, the water mist at the bottom cannot be interfered by the cold air when cooling the melt-blown fibers 6, the water vapor formed by vaporization of the water mist is diffused upwards, the cold air at the top of the melt-blown fibers 6 blows away the water vapor and cools the melt-blown fibers 6, specifically, in order to ensure that the air speed of the cold air blowing hole at both ends of the first cooling medium injection pipe 1 is always, the cold air blowing hole at both ends of the second cooling medium injection pipe 2 is balanced, and the water mist cooling medium injection hole 2 is connected with the water mist generating device.
In other embodiments, the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are provided with a water mist spray hole and a cold air blow hole, the rotation directions of the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are opposite, wherein the cold air blow hole on the first cooling medium injection pipe 1 is arranged above the water mist spray hole in parallel, the cold air blow hole on the second cooling medium injection pipe 2 is arranged below the water mist spray hole in parallel, so as to ensure that the water mist 7 sprayed from the water mist spray hole falls on the melt-blown fibers 6 close to the spray hole, and the cold air 8 falls on the melt-blown fibers 6 close to the receiving roller, so as to avoid mutual interference between the cold air 8 and the water mist 7, the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are respectively connected with a cold air blower and a water mist generator, at this time, the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are respectively provided with a cold air delivery pipe 102 and a water mist delivery pipe 101, the cold air delivery pipe 102 is connected with a cold air blower and communicated with the water mist spray hole 103, and the water mist generator 101 is connected with a cold air spray hole 104.
The cooling medium injection holes 5 on the first cooling medium injection pipe 1 and the second cooling medium injection pipe 2 are circular or slit-shaped, when the cooling medium injection holes 5 are circular, the diameter thereof is 5mm-15mm, when the cooling medium injection holes 5 are slit-shaped, the cooling medium injection holes 5 may be a plurality of slit-shaped nozzles arranged at intervals, or may be a slit-shaped cooling medium injection hole 5 extending along the length direction of the first cooling medium injection pipe 1 or the second cooling medium injection pipe 2, and in a preferred embodiment, the length of the slit-shaped cooling medium injection hole 5 is equal to the length of one row of spinneret holes.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (10)
1. The crude fiber melt-blown cooling device comprises a spinning box body, wherein spinneret orifices are arranged on the spinning box body, the spinneret orifices are arranged opposite to a receiving roller, and a section of spinning area is formed between the spinneret orifices and the receiving roller at intervals, and the crude fiber melt-blown cooling device is characterized in that: the spinning device comprises a spinning area, a first cooling medium injection pipe, a second cooling medium injection pipe, a cooling medium generating device, a first cooling medium injection pipe, a second cooling medium injection pipe, a cooling medium generation device, a first cooling medium injection pipe, a second cooling medium injection pipe and a second cooling medium injection pipe, wherein the top of the spinning area is rotatably provided with the first cooling medium injection pipe, the bottom of the spinning area is rotatably provided with the second cooling medium injection pipe, the first cooling medium injection pipe and the second cooling medium injection pipe are connected with the cooling medium generating device, spinning holes are arranged in the length direction of the first cooling medium injection pipe and the second cooling medium injection pipe, the injection range of the first cooling medium injection pipe and the second cooling medium injection pipe comprises the spinning area between the spinning holes and a receiving roller, and the injection directions of the first cooling medium injection pipe and the second cooling medium injection pipe are changed along with the rotation direction of the first cooling medium injection pipe and the second cooling medium injection pipe.
2. A crude fiber meltblowing cooling apparatus as defined in claim 1, wherein: the first cooling medium injection pipe and the second cooling medium injection pipe are provided with cooling medium injection holes, in an initial state, the cooling medium injection holes of the two cooling medium injection pipes are opposite to the spinning area and are respectively vertical to the spinning direction of the spinning holes, and the first cooling medium injection pipe and the second cooling medium injection pipe rotate in a reciprocating mode within an angle of 10-90 degrees.
3. A crude fiber meltblowing cooling apparatus as defined in claim 2, wherein: the cooling medium jet holes in the first cooling medium jet pipe and the cooling medium jet holes in the second cooling medium jet pipe are arranged at intervals, and the hole pitches of the cooling medium jet holes in the first cooling medium jet pipe and the second cooling medium jet pipe are the same.
4. A crude fiber meltblowing cooling apparatus as defined in claim 3, wherein: the cooling system comprises a first cooling medium injection pipe, a second cooling medium injection pipe, a cooling medium generator, a water mist spraying pipe and a water mist spraying pipe, wherein the first cooling medium injection pipe and the second cooling medium injection pipe are provided with water mist spraying holes, the cooling medium generator is a water mist generator, two ends of the first cooling medium injection pipe and two ends of the second cooling medium injection pipe are respectively connected with the water mist generator, the diameters of the first cooling medium injection pipe and the second cooling medium injection pipe are 50-300 mm, the temperature of the water mist is less than or equal to 20 degrees, and the speed of the water mist is less than or equal to 1m/min.
5. A crude fiber meltblowing cooling apparatus as defined in claim 3, wherein: the first cooling medium injection pipe is provided with a cold air blowing hole, the second cooling medium injection pipe is provided with a water mist injection hole, the first cooling medium injection pipe is connected with an air cooler, and the second cooling medium injection pipe is connected with a water mist generating device.
6. A crude fiber melt-blowing cooling apparatus as defined in claim 2, wherein: the first cooling medium injection pipe and the second cooling medium injection pipe are simultaneously provided with a water mist injection hole and a cold air blowing hole, and the first cooling medium injection pipe and the second cooling medium injection pipe are respectively connected with an air cooler and a water mist generation device.
7. The crude fiber meltblowing cooling apparatus of claim 6, characterized in that: the first cooling medium injection pipe and the second cooling medium injection pipe are respectively internally provided with a cold air delivery pipe and a water mist delivery pipe, the cold air delivery pipe is connected with an air cooler and communicated with a cold air blowing hole, and the water mist delivery pipe is connected with a water mist generating device and communicated with a water mist spraying hole.
8. A crude fiber meltblowing cooling apparatus as defined in any one of claims 1-7, wherein: the first cooling medium injection pipe is arranged at the top of the spinning beam body, the second cooling medium injection pipe is arranged at the bottom of the spinning beam body, and the rotating directions of the first cooling medium injection pipe and the second cooling medium injection pipe are opposite.
9. A crude fiber melt-blowing cooling apparatus as claimed in any one of claims 1 to 5, wherein: the first cooling medium injection pipe is arranged at the top of the spinning manifold, the second cooling medium injection pipe is arranged at the bottom of the receiving roller, and the rotating directions of the first cooling medium injection pipe and the second cooling medium injection pipe are the same.
10. A crude fiber meltblowing cooling apparatus as defined in claim 2, wherein: the cooling medium injection holes in the first cooling medium injection pipe and the second cooling medium injection pipe are circular or in a slit shape, and when the cooling medium injection holes are circular, the diameters of the cooling medium injection holes are 5mm-15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223163655.XU CN218812290U (en) | 2022-11-28 | 2022-11-28 | Crude fiber melt-blown cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223163655.XU CN218812290U (en) | 2022-11-28 | 2022-11-28 | Crude fiber melt-blown cooling device |
Publications (1)
| Publication Number | Publication Date |
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| CN218812290U true CN218812290U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223163655.XU Active CN218812290U (en) | 2022-11-28 | 2022-11-28 | Crude fiber melt-blown cooling device |
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| CN (1) | CN218812290U (en) |
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- 2022-11-28 CN CN202223163655.XU patent/CN218812290U/en active Active
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