WO2019192206A1 - Dispositif de refroidissement, dispositif de formation de fibre de verre, et procédés de refroidissement et de formation de fibre de verre - Google Patents

Dispositif de refroidissement, dispositif de formation de fibre de verre, et procédés de refroidissement et de formation de fibre de verre Download PDF

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Publication number
WO2019192206A1
WO2019192206A1 PCT/CN2018/120748 CN2018120748W WO2019192206A1 WO 2019192206 A1 WO2019192206 A1 WO 2019192206A1 CN 2018120748 W CN2018120748 W CN 2018120748W WO 2019192206 A1 WO2019192206 A1 WO 2019192206A1
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Prior art keywords
cooling
coolant
cooling device
glass fiber
flow guiding
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PCT/CN2018/120748
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English (en)
Chinese (zh)
Inventor
祖群
陈洋
刘劲松
赵谦
郑向阳
周建淼
朱立平
郭仁贤
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中材科技股份有限公司
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Publication of WO2019192206A1 publication Critical patent/WO2019192206A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/0203—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices
    • C03B37/0213—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices by forced gas cooling, i.e. blowing or suction

Definitions

  • the invention belongs to the technical field of glass fiber production, and particularly relates to a cooling device, a glass fiber forming device and a cooling and forming method.
  • Glass fiber is an inorganic non-metallic material with excellent performance. It has good insulation, high strength heat resistance and excellent corrosion resistance. It has become a building, transportation, electronics, electrical, chemical, metallurgical and environmental. Raw materials essential for protection, defense and other industries.
  • the molten glass fiber slurry flows out from the leakage nozzle on the drain plate to form a continuous uniform glass fiber filament, and to form a good quality glass fiber filament, it is required to melt the glass fiber slurry. Quickly cool and solidify into a glassy fiber of the mean value near the mouth of the leak. Therefore, the use of a cooling device to sufficiently and uniformly cool the effluent high temperature slurry plays a crucial role in improving the quality of the finished glass fiber.
  • conventional cooling devices used in the production of glass fibers are mainly blade coolers or water-cooled flat tube coolers.
  • the blade cooler is composed of a plurality of metal sheets, all of which are connected to a cooling pipe which is internally connected with water;
  • the water-cooled flat tube cooler is composed of a plurality of hollow metal flat tubes, and the flat tubes are provided with cooling water.
  • the cooling principle of the above two types of coolers is that the heat of the filaments is transferred to the metal by the heat exchange between the glass fiber and the metal, and then the metal transfers heat to the cooling water through its internal heat conduction, and the cooling rate is slow.
  • the cooling strength is low, and for the insert cooler, most of them are connected to the cooling pipe at one end, and there is also a defect that the cooling uniformity is poor.
  • Chinese patent CN201722284U discloses a glass fiber spinning machine cooling device, which comprises a fan, a control system and a pipeline, which generate cooling air through a fan to cool the wire outlet of the wire drawing machine and the glass fiber.
  • a glass fiber spinning machine cooling device which comprises a fan, a control system and a pipeline, which generate cooling air through a fan to cool the wire outlet of the wire drawing machine and the glass fiber.
  • the cooling air of the prior art it needs to be outputted by the output port after the internal movement of the device, and the low temperature originally possessed by the coolant is inevitably lost during the movement, in other words, during the movement, The partial temperature rise of the coolant causes the temperature of the coolant to be unstable, thereby reducing the external cooling effect; at the same time, the air cooling in the prior art usually blows and cools the glass fiber itself, and the above method cannot Uniform cooling of all glass fiber filaments results in uneven cooling.
  • the lateral airflow blown by the cooling air causes a large deviation of the filaments, which leads
  • the technical problem solved by the present invention is to overcome the problem that the cooling temperature of the existing glass fiber cooling device is unstable, thereby providing a cooling device with stable cooling temperature; further, the present invention also provides for using the cooling device to improve A method of cooling glass fiber forming stability; at the same time, the present invention also provides a glass fiber forming apparatus including the cooling device and a glass fiber forming method.
  • the present invention provides a cooling device comprising:
  • a coolant output device including a cooling chamber that houses the coolant, and a coolant inlet and a coolant outlet that communicate with the cooling chamber;
  • the coolant outlet is formed on a sidewall of the cooling chamber.
  • the coolant outlet is a cooling hole, and the cooling hole is at least one.
  • the coolant output device further includes a flow guiding unit that communicates with the coolant outlet, and the flow guiding unit is formed with an output port of a coolant.
  • cooling holes are provided in plurality, and the plurality of cooling holes are horizontally distributed or matrix-distributed, and the flow guiding unit is a hollow draft tube, and one end of the guiding tube is connected to the cooling hole. .
  • the cooling hole is provided with one end, one end of the flow guiding unit is communicated with one cooling hole, and a plurality of the output ports are formed on a wall of the other end of the flow guiding unit, and the plurality of The output ports are horizontally distributed or matrixed.
  • the flow guiding unit is a plurality of baffles vertically disposed at the cooling holes, and the plurality of baffles are arranged in parallel along a horizontal line.
  • the flow guiding unit is connected to the cooling chamber by an adjusting device, and the adjusting device can adjust an output direction of the flow guiding unit.
  • the auxiliary cooling device includes a body disposed corresponding to the cooling chamber, and an inlet and an outlet communicating with the body.
  • the body is disposed through the cooling chamber.
  • the body is disposed outside the coolant output device and disposed at least adjacent to a portion of the outer wall of the cooling chamber.
  • the coolant output device further includes a plurality of coolant introduction units that communicate with the cooling chamber, and the coolant introduction unit is provided with the coolant inlet for introducing a coolant to the cooling chamber.
  • the auxiliary cooling device further includes a plurality of extension portions communicating with the main body, at least a portion of the extension portions being disposed corresponding to the coolant introduction unit.
  • the surface of the coolant output device and/or the auxiliary cooling device is provided with an oxidation resistant layer.
  • the invention also provides a glass fiber forming device, comprising:
  • a wire discharge device comprising a drain plate and a plurality of leak nozzles disposed on the drain plate, the drain plate is provided with molten glass, and the molten glass outputs a glass fiber yarn through the leak nozzle;
  • cooling device which is disposed corresponding to the yarn discharging device.
  • drain plates are horizontally arranged, and the drain nozzles are arranged in a matrix on the drain plate.
  • the cooling chamber is a tubular body, and a central axis of the tubular body is disposed in a direction parallel to one side of the matrix.
  • one side of the cooling device is correspondingly provided with the wire discharging device, and one side wall of the cooling chamber is provided with the coolant outlet or the guiding current corresponding to the wire discharging device. unit.
  • the opposite sides of the cooling device are correspondingly provided with the wire discharging device, and the opposite side walls of the cooling chamber are respectively provided with the coolant disposed corresponding to the wire discharging devices on both sides The outlet or the flow guiding unit.
  • the wire discharging device is supported by the support unit to be supported on the top of the cooling chamber.
  • the support unit is made of a refractory material.
  • the present invention also provides a method of cooling glass fibers by cooling the glass fiber filaments using the above-described cooling device.
  • the glass fiber filaments are located between two adjacent coolant outlets or an output port of the flow guiding unit.
  • the method further includes the step of recooling the coolant in the coolant output device:
  • the coolant in the coolant output device is recooled by continuously delivering an auxiliary coolant to the auxiliary cooling device.
  • the coolant is a non-combustible gas, including but not limited to compressed air, nitrogen or carbon dioxide;
  • the auxiliary coolant is a non-toxic and non-corrosive liquid including, but not limited to, water, Freon.
  • the invention also provides a method for forming glass fibers, comprising:
  • the molten glass outputs the glass fiber filament through the leakage nozzle of the wire discharging device
  • the output glass fiber filament is cooled by the above cooling method.
  • the cooling device of the present invention comprising a coolant output device and an auxiliary cooling device, wherein the auxiliary cooling device recools the coolant in the cooling chamber, thereby improving the stability of the output coolant temperature and improving the cooling device.
  • the cooling effect at the same time, the overall temperature of the cooling device is also reduced, which provides a strong guarantee for the long-term efficient and stable operation of the cooling device.
  • the cooling device of the present invention further comprising a flow guiding unit capable of accurately guiding the output direction of the coolant by providing the above-described flow guiding unit, and preventing the coolant from directly acting on the fiber filament at the same time, and being connected to the fiber through the adjusting device
  • the output direction of the flow guiding unit can be easily changed by the adjusting device, thereby adjusting the output direction of the coolant, and the cooling efficiency is improved.
  • the cooling device of the present invention the surface of the coolant output device and/or the auxiliary cooling device contains an oxidation resistant layer, which improves the oxidation resistance of the cooling device, prolongs the service life of the device, and reduces maintenance costs. Increased economic efficiency.
  • the cooling device of the invention has simple processing and installation, high cooling strength, convenient maintenance and convenient promotion and application.
  • the glass fiber forming device of the present invention further comprises a supporting unit between the cooling device and the drain plate, so as to prevent contact between the drain plate and the cooling device, thereby avoiding damage to the cooling device caused by the high temperature of the leakage plate; On the one hand, it delays the creep of the leakage plate under the action of long-term high temperature, prolongs the use time of the leakage plate, and ensures the continuous and stable operation of the wire production.
  • the method for cooling a glass fiber of the present invention uses a cooling airflow generated by a cooling device to cool the glass fiber filament, and by means of forced convection heat exchange, the heat of the fiber filament is quickly taken away, and the fiber filament is rapidly solidified into a mean glass fiber.
  • the generated cooling airflow is located between adjacent glass fiber filaments, avoiding the defect that the cooling airflow is not easily uniformly passed when the cooling airflow is directly blown to the glass fiber filament, and avoids the filaments caused by the lateral airflow generated by the coolant spray.
  • the problem of large offset improves the uniformity of cooling and the forming stability of the filament, and effectively ensures the continuous and efficient production of the glass fiber.
  • the method for cooling a glass fiber of the present invention further comprising the step of secondary cooling the coolant, improving the controllability of the coolant temperature, improving the cooling effect, and reducing the overall temperature of the cooling device, and prolonging The time of use of the device.
  • the method for forming a glass fiber according to the present invention which has high cooling strength, can rapidly melt the molten glass to form a low-temperature glass fiber across the crystallization zone, thereby completing continuous and stable production of the glass fiber, and the glass fiber obtained by the method Higher stability.
  • the cooling intensity can also be adjusted to meet the needs of different occasions without the need for shutdown adjustment, which improves the working efficiency.
  • the cooling strength of the existing insert type cooling device for the glass fiber filament is 1.05 W
  • the cooling strength of the glass fiber filament is 2.48 W by the method of the present application, and the cooling strength is improved. 2.36 times.
  • FIG. 1 is a schematic structural view of a forming apparatus according to Embodiment 1 of the present invention.
  • FIG 2 is a schematic structural view of the cooling device shown in Figure 1;
  • FIG. 3 is a schematic structural view of a cooling device according to a first modification of Embodiment 1 of the present invention
  • FIG. 4 is a schematic structural view of a cooling device of a second modification in Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural view of a cooling device according to a third modification of Embodiment 1 of the present invention.
  • Figure 6 is a schematic structural view of a forming apparatus according to Embodiment 2 of the present invention.
  • FIG 7 is a schematic structural view of the cooling device shown in Figure 6;
  • Figure 8 is a schematic view showing the structure of a molding apparatus according to another modification of the first embodiment.
  • the present embodiment 1 provides a glass fiber forming apparatus which mainly includes a yarn discharge device and a cooling device.
  • the cooling device of the first embodiment is disposed on one side of the wire discharging device for cooling and forming the glass fiber yarn produced through the wire discharging device from one side.
  • the wire discharging device of the first embodiment comprises a leakage plate 11 and a plurality of leakage nozzles 9.
  • the leakage plate 11 is horizontally arranged, and a plurality of leakage nozzles 9 are arranged in a matrix on the leakage plate 11, and the molten glass is conveyed on the leakage plate 11 and the molten glass passes through a plurality of leaking nozzles 9
  • the glass fiber filaments 8 are output, and in order to ensure the uniformity of the glass fiber filaments 8, the diameter of the nozzles 9 is gradually decreased in the direction in which the coolant is ejected.
  • the cooling device of the first embodiment includes a coolant output device and an auxiliary cooling device.
  • the coolant output device is a square tube as shown in FIG. 1-2, and the wall thickness of the square tube is 2 mm.
  • a cooling chamber 3 for accommodating a coolant is formed inside the square tube, and a coolant inlet 1 and a coolant outlet that communicate with the cooling chamber 3 are provided on the square tube.
  • the coolant output device can also be provided as a pipe of other structure, such as a round pipe; the wall thickness can also be set to other thicknesses according to the use requirements.
  • the coolant outlet is a cooling hole 4 which is formed on the square tube on the side wall of the one side of the wire feeding device and which is horizontally equidistantly distributed.
  • Each of the cooling holes 4 is respectively disposed at an intermediate position of the adjacent two glass fiber filaments, and may of course be aligned with any position between the adjacent two glass fiber filaments as long as the adjacent glass fiber filaments are not caused.
  • the disturbance can be.
  • the inner diameter of the cooling holes in the first embodiment is 1 mm, and the distance between the centers of the adjacent two cooling holes is 5 mm.
  • the cooling holes 4 are not limited to only one row, and may also be a plurality of rows of cooling holes that are parallel to each other and arranged in a matrix; the inner diameter and the spacing of the cooling holes 4 are not limited to the above-mentioned set values, and may be set to other values according to the use requirements. .
  • the horizontal distance between the cooling hole 4 of the cooling chamber 3 and the plane of the center axis of the row of nozzles 9 near the cooling hole 4 is 5 mm (the horizontal distance here refers to the distance in the left-right direction in FIG. 1).
  • the highest point of the cooling hole 4 is not higher than the lowest point of the leaking nozzle, and the vertical distance between the highest point of the cooling hole 4 and the lowest point of the leaking nozzle is 5 mm (the vertical distance here refers to the distance in the up and down direction in FIG. 1).
  • the horizontal distance between the cooling hole 4 and the leak nozzle and the vertical distance between the highest point of the cooling hole 4 and the lowest point of the leak nozzle are not limited to the above-mentioned set values, and may be set to other values according to the use requirements.
  • the coolant output device of the first embodiment further includes two coolant introduction units 2 communicating with the cooling chamber 3, wherein the two coolant introduction units 2 in the embodiment are hollow tubes. One ends of the two circular tubes are respectively connected to the cooling chamber 3, and the other end is respectively provided with a coolant inlet 1 for conveying the coolant into the cooling chamber 3.
  • the coolant introduction unit can also be configured as other types of pipes, such as square pipes, and the number of the installations is not limited to two, and may be set to multiple according to actual needs or one as shown in FIG. 4 .
  • the embodiment 1 further includes an auxiliary cooling device for cooling the coolant in the coolant output device, wherein the auxiliary cooling device includes the main body 5 and two extension portions communicating with the main body 5, wherein As shown in Fig. 2, the two extension portions are respectively provided with an inlet 6 for assisting the entry of the coolant and an outlet for the auxiliary coolant to flow out.
  • the main body 5 and the two extensions are all round tubes, and of course other forms of tubes, such as square tubes, etc., may be used.
  • the main body 5 in the first embodiment is disposed outside the cooling chamber 3 and disposed adjacent to the left side of the outer wall of the cooling chamber 3 (the left side here refers to the left side in FIGS. 2 and 4).
  • the pipe wall that is, the pipe wall on the opposite side of the cooling chamber from the pipe wall provided with the coolant outlet, is used to assist in cooling the cooling chamber 5, and the two extension portions are also closely adjacent to each other in FIG.
  • the left side wall of the coolant introduction unit 2 is provided to assist in cooling the coolant introduction unit 2.
  • the main body 5 and the two extension portions of the auxiliary cooling device may also be disposed adjacent to the inner side of the outer wall of the cooling chamber 3 and the two coolant introduction units 2.
  • the main body 5 of the auxiliary cooling device is disposed through the cooling chamber 3 in the axial direction of the cooling chamber 3.
  • This arrangement allows the coolant in the cooling chamber 3 to surround the body 5, whereby the contact area of the auxiliary cooling device with the coolant in the cooling chamber 3 can be increased, and the cooling effect can be improved.
  • the auxiliary cooling device of this embodiment is provided inside the cooling output device, no shielding is caused to the outer wall of the cooling chamber, and the plurality of outer walls of the cooling chamber 3 are allowed to be formed with cooling holes 4, such as the cooling shown in FIG. Cooling holes 4 are provided in the outer walls of the left and right sides of the chamber 3.
  • the opposite sides of the cooling device may be respectively provided with a wire discharging device, as shown in FIG.
  • the wire discharge device is connected to the top of the cooling chamber 3 through the support unit 10. Since the wire discharge device has molten glass and the temperature thereof is high, the support unit 10 is made of a refractory material.
  • the cooling auxiliary device may be disposed in the manner of being disposed inside the coolant output device as shown in FIG. 3; or may be adopted as the through cooling chamber in FIG. Way to set.
  • the cooling device and/or the coolant output device in the first embodiment are made of a metal material, preferably metal copper, and of course, a metal material such as silver or aluminum alloy may also be used.
  • a metal material such as silver or aluminum alloy may also be used.
  • the outer surface of the cooling device and/or the auxiliary cooling device in this embodiment is further provided with an oxidation resistant layer, for example, nickel plating treatment is applied to the outer surface of the cooling device and/or the auxiliary cooling device.
  • the coolant in the first embodiment is air.
  • the coolant may also be other non-combustible gases, such as nitrogen or carbon dioxide;
  • the auxiliary coolant is water.
  • the auxiliary coolant may also be other non-toxic and non-corrosive liquids. Such as Freon.
  • Embodiment 2 provides a glass fiber forming apparatus which mainly includes a yarn discharge device and a cooling device. As shown in FIG. 6-7, the yarn discharge device of the second embodiment is disposed on one side of the cooling device, and the glass fiber yarn produced by the wire discharge device is cooled and formed from one side.
  • the wire discharging device can also be disposed on both sides of the cooling device, and at this time, the cooling device simultaneously cools the glass fiber filaments on both sides thereof from both sides thereof.
  • the yarn discharge device of the second embodiment has the same structure as the yarn discharge device of the embodiment 1 and its modified embodiment.
  • the cooling device in the second embodiment includes all the structures of the cooling device in the first embodiment and all the modifications thereof.
  • the cooling device in the second embodiment is different from the cooling device in the first embodiment in the second embodiment.
  • the coolant output device also includes a flow guiding unit.
  • the coolant output device of Embodiment 2 further includes a flow guiding unit, wherein the flow guiding unit is an elongated hollow draft tube 13 disposed in one-to-one correspondence with the cooling holes 4, and one end of the guiding tube 13 is The cooling holes 4 are connected, and the other end is formed with an output port 14, and each of the output ports 14 is respectively arranged at an intermediate position of the adjacent two glass fiber filaments, and of course, it can also be aligned between the adjacent two glass fiber filaments. Any position as long as it does not cause disturbance of the adjacent glass fiber filaments.
  • One end of the draft tube 13 may be fixedly connected to the cooling hole 4 by means of, for example, welding, or may be movably connected to the cooling hole 4 by means of insertion or the like.
  • the draft tube 13 in the second embodiment adopts a metal hose which can be arbitrarily adjusted in direction, and the angle is specifically adjusted so as not to cause disturbance of the adjacent glass fiber filaments.
  • the flow guiding unit can also be arranged in the coolant outlet by means of an adjusting device, which can be, for example, a bellows or other flexible connecting device that enables directional adjustment.
  • an adjusting device which can be, for example, a bellows or other flexible connecting device that enables directional adjustment.
  • the flow guiding unit may also be a plurality of baffles vertically disposed at the cooling holes 4, the respective baffles are arranged in parallel, and the plurality of baffles are distributed equidistantly between the cooling holes 4 .
  • one side of the chamber wall of the cooling chamber 3 is open, that is, one side of the chamber wall of the cooling chamber 3 is provided with an open opening having a complete continuous area, and the open opening is configured as the implementation.
  • the flow guiding unit in this embodiment is a tubular body in communication with the open opening, having an input end in communication with the open opening, an output end for outputting the coolant, and a closed outer peripheral surface connecting the input end and the output end.
  • the input end is provided with an input port communicating with the open opening, and the output wall has a plurality of output ports formed on the chamber wall. When an output port is provided, the row of output ports are linearly equidistantly distributed in the horizontal direction.
  • the output ports are distributed in a matrix.
  • Each of the output ports is respectively sprayed with a coolant at an intermediate position of the adjacent two glass fiber filaments, and may of course be aligned at any position between the adjacent two glass fiber filaments as long as the adjacent glass is not caused.
  • the fiber filament can be disturbed.
  • the flow guiding unit in this embodiment may also be a row of horizontally arranged baffles, the baffles are vertically disposed parallel to the output port, and a gap for outputting coolant is formed between the adjacent two baffles. The gap is sprayed toward the intermediate position of the adjacent two glass fiber filaments, and of course, it can be aligned at any position between the adjacent two glass fiber filaments as long as no adjacent glass fiber filaments are disturbed. Just fine.
  • the opposite sides of the cooling device in the second embodiment may also be respectively provided with the wire discharging device.
  • the wire discharging device is connected and supported by the supporting unit 10 for cooling.
  • the support unit 10 is made of a refractory material because of the high temperature of the molten glass in the wire discharge device.
  • the cooling auxiliary device may be disposed in the manner of being disposed inside the coolant output device as shown in FIG. 3; or may be adopted as the through cooling chamber in FIG. Way to set.
  • the positional relationship between the flow guiding unit and the leak nozzle in the second embodiment is also the same as the positional relationship between the cooling hole and the leak nozzle in the first embodiment.
  • the third embodiment provides a method for forming a glass fiber, which specifically includes the following steps:
  • Wire discharging step S1 the molten glass outputs the glass fiber yarn through the leakage nozzle of the wire discharging device;
  • the step of cooling the glass fiber further comprises the step of re-cooling the coolant in the coolant output device by continuously conveying the auxiliary coolant to the coolant in the coolant output device in the auxiliary cooling device. Perform secondary cooling.
  • the coolant in the third embodiment is compressed air.
  • the coolant may also be other non-combustible gases, such as nitrogen or carbon dioxide, etc.
  • the auxiliary coolant in the third embodiment is water, as other Alternatively, the auxiliary coolant may be other non-toxic, non-corrosive liquids such as Freon.
  • the wind pressure at the inlet 1 of the coolant is controlled to be 10 to 100 kPa; and the water pressure of the auxiliary coolant is 0.2 MPa.

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  • Engineering & Computer Science (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

L'invention concerne un dispositif de refroidissement, un dispositif de formation de fibre de verre, et des procédés de refroidissement et de formation de fibre de verre. Le dispositif de refroidissement comprend un dispositif de sortie de fluide de refroidissement et un dispositif de refroidissement auxiliaire, le dispositif de refroidissement auxiliaire effectuant un refroidissement secondaire sur le fluide de refroidissement dans la chambre de refroidissement (3) du dispositif de sortie de fluide de refroidissement. Le dispositif de formation de fibre de verre comprend un dispositif de sortie de filament comprenant une plaque à douilles (11) et de multiples pointes de douille (9) disposées sur la plaque à douilles (11) ; du verre fondu est transporté sur la plaque à douilles (11) et traverse les pointes de douille (9), et un filament de fibre de verre (8) est produit ; le dispositif de refroidissement est disposé de manière à correspondre au dispositif de sortie de filament. Le dispositif de refroidissement est utilisé pour refroidir le filament de fibre de verre (8), la stabilité de la température de sortie du fluide de refroidissement est augmentée, et l'effet de refroidissement du dispositif de refroidissement est amélioré ; de plus, la température entière du dispositif de refroidissement est en outre réduite, de façon à fournir une puissante garantie d'un fonctionnement à long terme, efficace et stable du dispositif de refroidissement.
PCT/CN2018/120748 2018-04-03 2018-12-12 Dispositif de refroidissement, dispositif de formation de fibre de verre, et procédés de refroidissement et de formation de fibre de verre WO2019192206A1 (fr)

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CN201810289326.9A CN108395093A (zh) 2018-04-03 2018-04-03 一种冷却装置、玻璃纤维的成形装置、冷却及成形方法
CN201810289326.9 2018-04-03

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CN108395093A (zh) * 2018-04-03 2018-08-14 中材科技股份有限公司 一种冷却装置、玻璃纤维的成形装置、冷却及成形方法

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CN108395093A (zh) * 2018-04-03 2018-08-14 中材科技股份有限公司 一种冷却装置、玻璃纤维的成形装置、冷却及成形方法

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US4363645A (en) * 1980-04-04 1982-12-14 Owens-Corning Fiberglas Corporation Annular bushing for forming glass fibers
JPH07206465A (ja) * 1994-01-20 1995-08-08 Nippon Glass Fiber Co Ltd ガラス繊維の製造方法および装置
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CN204310956U (zh) * 2014-11-25 2015-05-06 中材科技股份有限公司 一种玻璃纤维漏板引丝风冷装置
CN105819679A (zh) * 2016-03-16 2016-08-03 烽火通信科技股份有限公司 一种高速拉丝下的光纤冷却系统
CN105601099A (zh) * 2016-03-25 2016-05-25 威海威信光纤科技有限公司 一种光纤拉丝冷却系统
CN108395093A (zh) * 2018-04-03 2018-08-14 中材科技股份有限公司 一种冷却装置、玻璃纤维的成形装置、冷却及成形方法

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