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1. 发明公开

US20230183922A1 METHOD FOR SPRAYING CHEMICAL SOLUTION 审中-公开
公开(公告)号：US20230183922A1
公开(公告)日：2023-06-15
申请号：US17999030
申请日：2021-05-17
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Tomohiko NAGATSUKA , Kazuyujki YUSA , Ayano SUGA
IPC分类号： D21F1/32 , D21F7/12 , D21H11/14
CPC分类号： D21F1/325 , D21F7/12 , D21H11/14
摘要： A chemical solution spraying method for spraying a chemical solution onto a canvas K1 has a loop shape in a side view while reciprocating two nozzle devices S at the same speed along rail L extending in a width direction of canvas K1 with respect to canvas K1, in which time period Tc during which canvas K1 is in contact with wet paper X is 0.03 seconds or more, time period Tn required for nozzle devices S to each one-way move is 0.5 to 10 minutes, traveling speed Vp of canvas K1 is 500 m/min or more, length K of canvas K1 is 20 to 80 m, a number of times of contact N of any point on a surface of canvas K1 with wet paper X during time period Tn, time period Tn, traveling speed Vp, and length K satisfy a relationship of N=(Tn·Vp)/K, under predetermined conditions.

2. 发明公开

US20230182157A1 CHEMICAL SOLUTION SPRAYING METHOD 审中-公开
公开(公告)号：US20230182157A1
公开(公告)日：2023-06-15
申请号：US17999026
申请日：2021-05-17
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Tomohiko NAGATSUKA , Kazuyujki YUSA , Ayano SUGA
IPC分类号： B05B12/04 , B05B13/04 , D21F1/32
CPC分类号： B05B12/04 , B05B13/0405 , D21F1/32
摘要： A chemical solution spraying method for spraying a chemical solution onto canvas K1 has a loop shape in a side view while reciprocating nozzle device S along rail L extending in a width direction of canvas K1 with respect to canvas K1, in which time period Tc during which canvas K1 is in contact with wet paper X is 0.03 seconds or more, time period Tn required for nozzle device S to one-way move is 0.2 to 20 minutes, traveling speed Vp of canvas K1 is 500 m/min or more, length K of canvas K1 is 20 to 80 m, a number of times of contact N of any point on a surface of canvas K1 with wet paper X during time period Tn, time period Tn, traveling speed Vp, and length K satisfy a relationship of N=(Tn·Vp)/K, under predetermined conditions.

3. 发明申请

US20170073895A1 METHOD OF SPRAYING CHEMICAL SOLUTION 审中-公开
标题翻译：喷雾化学溶液的方法
公开(公告)号：US20170073895A1
公开(公告)日：2017-03-16
申请号：US15128850
申请日：2015-03-20
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Daisuke KOBAYASHI , Tomohiko NAGATSUKA
IPC分类号： D21F1/32 , C09D5/00 , B08B3/02 , D21F7/12
CPC分类号： D21F1/32 , B08B3/022 , C09D5/00 , D21F1/30 , D21F1/325 , D21F7/12
摘要： [TASK] Provided is a method of spraying a chemical solution, the method being capable of efficiently applying a chemical solution to a traveling canvas and sufficiently preventing the adhesion of paper powder and pitch to the canvas.[MEANS OF SOLVING THE PROBLEM] The present invention provides a method of spraying a chemical solution Y, the method comprising spraying the chemical solution Y continuously on a canvas K used in a dry part D of a paper machine by a spraying apparatus 10 while making the canvas K travel, wherein the canvas K is guided to an inside roll IR and an outside roll OR, and wherein the spraying apparatus 10 is disposed upstream from the outside roll OR and between the inside roll IR and the outside roll OR, and the chemical solution Y is sprayed toward the outside roll OR along a travel direction Y2 of the canvas K.
摘要翻译：解决问题的手段本发明提供一种喷雾化学溶液Y的方法，该方法包括：在化学溶液Y中连续地喷涂在通过喷涂装置10在造纸机的干燥部分D中使用的帆布K上，同时制造帆布K行进，其中帆布K被引导到内侧辊IR和外侧辊OR，并且其中喷射装置10设置在外侧辊OR的上游以及内侧辊IR和外侧辊OR之间，并且化学溶液Y沿画布K的行进方向Y2向外侧辊OR喷射。

4. 发明申请

US20200048836A1 METHOD FOR SPRAYING CHEMICAL SOLUTION 审中-公开
公开(公告)号：US20200048836A1
公开(公告)日：2020-02-13
申请号：US16607465
申请日：2019-03-28
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Tomohiko NAGATSUKA , Kazuyuki YUSA , Ayano SUGA
IPC分类号： D21F7/00 , D21F5/02 , B05B13/04 , B05B13/02 , B05D1/28 , B05D1/02
摘要： [Problem]To provide a method for spraying a chemical solution, including: spraying the chemical solution onto a surface of a dryer roller with a nozzle device reciprocated in the width direction of the dryer roller rotating at a high speed, whereby a sufficient amount of the chemical solution can be remained on the surface of the dryer roller.[Solution]The present invention is directed to a method for spraying a chemical solution, including: spraying the chemical solution onto a dryer roller by two nozzle devices disposed at a certain interval therebetween with the two nozzle devices each reciprocated along a rail extended in the width direction of the dryer roller, in a state that the dryer roller, for guiding wet paper, is being rotated, in a dry part of a paper-making machine, wherein a time T required for the two nozzle devices each to travel one-way is set as 0.2 to 1.5 minutes; a rotational speed Vd of the dryer roller is set as not less than 100 times/min; the number of contacts N that a point Q on the dryer roller surface makes contact with the wet paper during the time T is set as 30 to 250 times; the time T, the rotational speed Vd, and the number of contacts N satisfy the relationship of N=T*Vd; and the total amount of the sprayed chemical solution is set as 0.3 to 500 mg/m2 as an effective component amount.

5. 发明申请

US20200340181A1 CANVAS CLEANING DEVICE, CANVAS CLEANING METHOD AND CANVAS CLEANING MECHANISM 审中-公开
公开(公告)号：US20200340181A1
公开(公告)日：2020-10-29
申请号：US16486542
申请日：2019-03-29
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Tomohiko NAGATSUKA , Kazuyuki YUSA
IPC分类号： D21F7/12 , B08B3/02 , B08B3/08 , D21F1/32
摘要： [Problem]To provide a canvas cleaning device that can prevent re-adhesion of stains as much as possible and also efficiently clean the canvas.[Solution]The canvas cleaning device 100 is provided with a base part 11 capable of sliding along a rail part 1 that extends in a width direction of a canvas K1, a cone part 13 having a cylinder shape, which is attached to the base part 11, and extends straightly, a high pressure water spraying device 13a installed inside the cone part 13, an arm part 15 that is extended and installed on the downstream side from the base part 11 and a nozzle device 16 attached to the tip of the arm part 15, and in this structure, high pressure water is sprayed onto the canvas K1 from the high pressure water spraying device 13a inside the cone part 13.

6. 发明申请

US20160008845A1 METHOD FOR SPRAYING CHEMICAL SOLUTION 有权
标题翻译：喷雾化学溶液的方法
公开(公告)号：US20160008845A1
公开(公告)日：2016-01-14
申请号：US14771920
申请日：2014-03-04
申请人： MAINTECH CO., LTD.
发明人： Hiroshi SEKIYA , Daisuke KOBAYASHI , Hideaki MORI , Hiraku SAWADA , Tomohiko NAGATSUKA
IPC分类号： B05D1/02 , G05B15/02 , B05D1/00 , B08B3/04 , C09D5/16 , D21F5/02
CPC分类号： B05D1/002 , B05D1/02 , B08B3/041 , C09D5/16 , D21F1/30 , D21F1/325 , D21F5/02 , D21F5/021 , D21F5/04 , G05B15/02
摘要： [Problem] To provide a method for spraying a chemical solution that makes it possible to uniformly apply a chemical solution onto a moving body and that exhibits excellent spraying efficiency.[Solution] The present invention is directed to a method for spraying a chemical solution in which, in a dry part D of a paper-making machine, a chemical solution is continuously sprayed onto a moving body that guides wet paper X, while a nozzle device S is reciprocating in directions orthogonal to a moving direction of the moving body with the moving body in motion, wherein: the moving body is a cylindrical dryer roller D1 or an endless canvas K1; and a travel distance H that the nozzle device S moves during a single rotation of the moving body and a width W of a sprayed area that is formed on the moving body by the nozzle device S satisfy the relationship represented by the following expression: 0.5≦H/W≦20.
摘要翻译：提供一种喷雾化学溶液的方法，该方法使得可以将化学溶液均匀地施加到移动体上并且表现出优异的喷雾效率。解决方案本发明涉及一种喷雾化学溶液的方法，其中在造纸机的干燥部分D中将化学溶液连续地喷洒到引导湿纸X的移动体上，同时喷嘴装置S在移动体运动时与移动体的移动方向正交的方向往复运动，其中：移动体是圆柱形干燥辊D1或环形帆布K1; 以及喷嘴装置S在移动体的单次旋转期间移动的移动距离H，并且由喷嘴装置S形成在移动体上的喷射区域的宽度W满足由以下关系式表示的关系：0.5＆nlE ; H / W＆nlE; 20。

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