• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Device for cooling a fiber web (W) with at least one cooling device (6), with which a cooling medium in the direction of the fiber web (W) can be dispensed, wherein above the cooling device (6) at least one guide roller (11) is arranged.
    公开号:AT16082U1
    申请号:TGM50077/2018U
    申请日:2018-04-26
    公开日:2019-01-15
    发明作者:Solin Richard；Mäntynen Antti；Ilomäki Jari；Viljanmaa Mika；Kemppinen Mikko
    申请人:Valmet Technologies Oy；
    IPC主号:
    专利说明:

    description
    DEVICE FOR COOLING A FIBERWORK
    The invention relates to a device for cooling a fibrous web, with at least one cooling device with which a cooling medium in the direction of the fiber web can be dispensed. The invention further relates to a fiber web processing machine comprising a headbox, a press section, a wire section, a dryer section, at least one calender and a device for cooling a fibrous web.
    A generic device and a corresponding fiber web processing machine are known from DE 20 2015 105 426 U1. In this case, the calender has a spray cooler, with which the temperature of the fiber web is kept below or at a low level of the glass transition temperature of the fiber web.
    Basically, such spray coolers are suitable to prepare the fiber web to the processing in the subsequent calender that there a desired roughness level and a level of density or the specific volume of the fiber web, the so-called bulk can be adjusted. However, the known cooling devices are comparatively expensive.
    It is therefore an object of the present invention to provide a device for cooling a fibrous web, which allows for simple means effective cooling of the fibrous web.
    According to the invention this object is achieved by the features mentioned in claim 1.
    By arranged above the cooling device, at least one guide roller can be a very simple deflection of the fiber web reach in the area above the cooling device, whereby the cooling device can be performed more easily overall.
    The device of the invention allows a more open structure of the cooling device than known solutions, whereby in the region of the cooling device, a different air flow than previously possible. When using the cooling device according to the invention, it is possible to let 10 to 100% of the blown air into the machine hall, in which the device for cooling the fiber web is to flow.
    In an advantageous development can be provided that the length over which the cooling device acts on the fiber web is 0.5 - 30 m. The device according to the invention can therefore be carried out in a wide variety of sizes, whereby the optimal cooling effect can be set for the respective fiber web.
    If, in a further advantageous embodiment of the invention, the cooling device has at least one nozzle for emitting a gas in the direction of the fiber web, then an effective cooling of the fiber web is achieved by the output gas.
    The cooling effect can be further improved if the at least one nozzle gas at a temperature in a range of 15 - 55 ° C outputs.
    Furthermore, it can be provided that the cooling device has at least one suction module arranged in the region of the at least one nozzle. Such a suction module allows the removal of moisture evaporating from the fibrous web so that problems otherwise caused by moisture can be avoided.
    The cooling effect of the device according to the invention can be improved if the cooling device has at least one moistening element.
    Furthermore, it can be provided that the cooling device has a standing in contact with the fiber web cooled roller. As a result, a very effective cooling of the fiber web can be achieved, wherein it is particularly advantageous that the cooled roller can be realized with little effort. By cooling the fibrous web prior to calendering, the ratio of the thickness of the web to its basis weight is advantageously improved.
    A particularly effective cooling effect can be achieved if, in an advantageous embodiment of the invention, the cooled roller is arranged at the entrance of the fiber web in the cooling device.
    Furthermore, it can be provided that the cooled roller is formed as the fiber web deflecting deflection roller. As a result, an already required roller, namely a roller serving for deflecting the fiber web, can be used for an additional purpose. Furthermore, the cooling capacity of the device according to the invention is increased in this way.
    A fiber web processing machine with a headbox, a press section, a wire section, a dryer section, at least one calender and a device according to the invention for cooling a fibrous web is specified in claim 10.
    Hereinafter, an embodiment of the invention with reference to the invention is shown in principle.
    FIG. 1 shows a very schematic representation of a part of a fiber web processing machine according to the invention; FIG. and [0020] FIG. 2 shows a schematic illustration of a device according to the invention for cooling a fibrous web.
    Fig. 1 shows in a very schematic manner, a fiber web processing machine 1, for processing a designated in the "x" direction by the fiber web processing machine 1 passing through fiber web W, for example, a paper or cardboard or. Cardboard train, serves. The fiber web processing machine 1 comprises a wire section 2, a dryer section 3 and a calender 4 in a manner known per se. Furthermore, the fiber web processing machine 1 on a headbox and a press section, which are not shown. The headbox, the press section, the wire section 2, the dryer section 3 and the calender 4 may be formed in a conventional manner and are therefore shown only very schematically and will not be described in detail. Furthermore, the calender 4 can also be located inside the dryer section 3.
    The fiber web processing machine 1 may have in the running direction x of the fiber web W after the calender 4 still further processing units for the fiber web W, such as a further drying device and / or a coating device. Also, a rewinder, a slitter or the like may be provided.
    In the running direction x of the paper web W in front of the calender 4, a device 5 for cooling the fiber web W is arranged, which has at least one cooling device 6, with a non-illustrated cooling medium in the direction of the fiber web W can be output.
    In the present case, the cooling device 6 has a plurality of nozzles 7 for emitting a gas in the direction of the fiber web W. In principle, only one of the nozzles 7 could be provided. In the present case, a gas having a temperature in a range of 15-55 ° C. in the direction of the fiber web W is output with the nozzles 7. The gas may be, for example, air, an air mixture or a gas mixture. The nozzles 7 of the cooling device 6 accordingly produce contactless cooling of the fiber web W. The cooling device 6 with the nozzles 7 can be designed as a so-called impingement drying unit. The length over which the cooling device 6 acts on the fiber web W can be between 0.5 and 30 m.
    Furthermore, in the illustrated embodiment, the cooling device 6 has at least one suction module 8 arranged in the region of the at least one nozzle 7. In this case, one of the suction modules 8 is arranged in each case between two of the nozzles 7 purely by way of example. The suction module 8 makes it possible to remove moisture evaporating from the fibrous web W, so that problems otherwise caused by moisture are avoided.
    In principle, fewer than the illustrated suction modules 8 could be provided or it could be completely dispensed with, since the blowing of dry, i. no or little moisture-containing air on the fiber web W a sufficiently effective cooling of the same can be achieved. An unillustrated housing of the cooling device 6 may have openings in its walls through which air can flow out of the cooling device. As a result, 10 to 100% of the blown-out air can flow into the machine hall in which the device 5 for cooling the fiber web W is located.
    In the present case, the cooling device 6 also has at least one moistening element 9, with which the fiber web W can be moistened. As a result, the cooling effect of the cooling device 6 or of the device 5 can be improved. The moistening element 9 is preferably prior to entry of the fibrous web W into the cooling device 6, i. in the running direction x of the fiber web W before the cooling device 6, arranged. Optionally, the moistening element 9 can be dispensed with, since, as explained above, the fiber web W can be adequately cooled with dry air.
    Furthermore, the cooling device 6 has a roller 10 in contact with the fiber web W, which is a deflecting roller deflecting the fiber web W. The roller 10, which is cooled in the present case and thus contributes to the cooling of the fiber web W is arranged in the illustrated embodiment at the entrance of the fiber web W in the cooling device 6.
    Above the cooling device 6 also at least one guide roller 11 is arranged for deflecting the fiber web W. In the present case, there are two guide rollers 11 for deflecting the fiber web W above the cooling device 6. This eliminates the need for other, more complicated deflection and it is also a protection of the cooling device 6 given.
    权利要求:
    Claims (10)
    [1]
    claims
    1. An apparatus for cooling a fiber web (W) with at least one cooling device (6), with a cooling medium in the direction of the fibrous web (W) can be dispensed, characterized in that above the cooling device (6) at least one guide roller (11) is arranged ,
    [2]
    2. Apparatus according to claim 1, characterized in that the length over which the cooling device (6) acts on the fibrous web (W) is 0.5 - 30 m.
    [3]
    3. Apparatus according to claim 1 or 2, characterized in that the cooling device (6) has at least one nozzle (7) for emitting a gas in the direction of the fibrous web (W).
    [4]
    4. Apparatus according to claim 3, characterized in that the at least one nozzle (7) gas at a temperature in a range of 15 - 55 ° C outputs.
    [5]
    5. Apparatus according to claim 3 or 4, characterized in that the cooling device (6) has at least one in the region of at least one nozzle (7) arranged suction module (8).
    [6]
    6. Device according to one of claims 1 to 5, characterized in that the cooling device (6) has at least one moistening element (9).
    [7]
    7. Device according to one of claims 1 to 6, characterized in that the cooling device (6) with the fiber web (W) in contact, cooled roller (10).
    [8]
    8. Apparatus according to claim 7, characterized in that the cooled roller (10) at the entrance of the fiber web (W) in the cooling device (6) is arranged.
    [9]
    9. Apparatus according to claim 7 or 8, characterized in that the cooled roller (10) as the fiber web (W) deflecting guide roller is formed.
    [10]
    A fiber web processing machine (1) comprising a headbox, a press section, a wire section (2), a dryer section (3), a calender (4) and a device for cooling (6) a fibrous web (W) according to any one of claims 1. 9. For this 1 sheet drawings
    类似技术:
    公开号 | 公开日 | 专利标题
    DE3218306A1|1982-12-23|DEVICE IN A PAPER MACHINE FOR SEPARATING AND GUIDING THE EDGE STRIP OF A PAPER RAIL
    DE3818600C2|1991-09-19|
    WO2005047793A1|2005-05-26|Veneer dryer
    AT16082U1|2019-01-15|DEVICE FOR COOLING A FIBERWORK
    DE102005016706B4|2019-08-22|With side guide equipped vacuum belt conveyor for web-making machines
    DE2615258A1|1977-10-20|Air cushion strip transport equipment - has slots in nozzles at steeper angle on one side than other
    EP0907476B1|2003-03-05|Blower nozzle
    EP0785306B1|2002-05-02|Apparatus for guiding web material
    DE4139708B4|2006-04-20|Blowing and ventilation device for a reverse cylinder group of a paper machine dryer section
    DE2256087C3|1982-06-24|Device for drying a web of material lying on an essentially flat support
    DE10024296B4|2008-11-20|Machine for producing a material web
    DE102005054995B4|2014-03-13|Nozzle system for the treatment of sheet material
    DE10352980B4|2006-10-12|steam blow
    EP0802276A2|1997-10-22|Machine for making a web material
    CH701164B1|2010-12-15|Turning bar unit for a rotary printing press.
    DE102008003369A1|2009-07-09|Tow processing nozzle for producing filter rod for cigarette, has air supply connector opening into tow guiding channel via air outlet opening, where opening width of air outlet opening is changeable
    EP1424440B1|2008-01-09|Device for treating a web with moistening apparatus
    DE202015106081U1|2015-11-18|Device for processing a web insertion strip in the fiber web machine
    DE102009027608A1|2011-01-13|Dryer for drying a paper-, cardboard- or another fibrous material sheet in a machine for their manufacturing, has two dryer groups, in which fibrous material sheet is supported by continuously circulating dryer strip
    DE19546445C2|2000-11-23|Insertion aid for a roller machine
    AT510088B1|2013-08-15|A METHOD FOR CONTROLLING THE ROLLING OF THE FIBROUS CARBON AND A DRY PART OF A FIBERMAKING MACHINE
    EP1026318B1|2004-03-24|Calender
    EP1502991B1|2009-09-30|Device for guiding and drying a moving fibrous web
    DE102016124258B4|2021-02-25|Channel drying device
    DE202020102953U1|2020-06-02|Dedusting system
    同族专利:
    公开号 | 公开日
    DE202017103448U1|2017-07-03|
    CN208899238U|2019-05-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2005042837A1|2003-11-03|2005-05-12|Metso Paper, Inc|A precalendering method and a treatment line for paper|
    DE202013011389U1|2013-02-06|2014-01-20|Metso Paper, Inc.|Manufacturing line for the production of fiber webs|
    DE202015105426U1|2014-10-21|2015-10-26|Valmet Technologies, Inc.|Calender for processing fiber webs|
    DE102018106322A1|2018-03-19|2019-09-19|Voith Patent Gmbh|Cooling treatment|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE202017103448.8U|DE202017103448U1|2017-06-08|2017-06-08|Apparatus for cooling a fibrous web|
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