公开(公告)号：WO1993022497A1

公开(公告)日：1993-11-11

申请号：PCT/US1993003656

申请日：1993-04-16

Applicant: BELOIT TECHNOLOGIES, INC.

Inventor： BELOIT TECHNOLOGIES, INC. ,  SIMS, Duke, N. ,  WEDEL, Gregory, L.

IPC: D21F05/04

CPC classification number: D21F5/04

Abstract: A drying apparatus (10c) is disclosed for drying a web (WC) of paper. The apparatus includes a plurality of top felted drying sections (60c, 62c, 64c, 78-80) for drying the web. Each of the drying sections is arranged in succession such that the web is restrained against cross-machine and machine directional shrinkage during passage of the web through the plurality of drying sections. A further single drying section (96) only is disposed downstream relative to the plurality of drying sections such that the web extends between the plurality of drying sections and the further drying section. The further drying section (96) includes an upper tier (98) of dryers and an upper plurality of rolls (100-102) which are disposed between adjacent dryers (103-105) of the upper tier (98). An upper felt (106) extends alternately around each dryer (103-105) of the upper tier (98) and each roll (100-102) of the upper plurality of rolls. The further drying section also includes a lower tier (107) of dryers (108-110) and a lower plurality of rolls (111-112) disposed between adjacent dryers of the lower tier (107). A lower felt (114) extends alternately around each dryer (108-110) of the lower tier (107) and each roll of the lower rolls. The arrangement is such that the web extends in open draw (40c, 42c, 44c, 46c) between each dryer of the upper (98) and lower tiers (107) so that any tendency of the web to curl is controlled during movement of the web through the further drying section (96).

公开(公告)号：EP0637350A1

公开(公告)日：1995-02-08

申请号：EP93910650.0

申请日：1993-04-16

Applicant: BELOIT TECHNOLOGIES, INC.

Inventor： SIMS, Duke, N. ,  WEDEL, Gregory, L.

IPC: D21F5

CPC classification number: D21F5/04

Abstract: A drying apparatus (10c) is disclosed for drying a web (WC) of paper. The apparatus includes a plurality of top felted drying sections (60c, 62c, 64c, 78-80) for drying the web. Each of the drying sections is arranged in succession such that the web is restrained against cross-machine and machine directional shrinkage during passage of the web through the plurality of drying sections. A further single drying section (96) only is disposed downstream relative to the plurality of drying sections such that the web extends between the plurality of drying sections and the further drying section. The further drying section (96) includes an upper tier (98) of dryers and an upper plurality of rolls (100-102) which are disposed between adjacent dryers (103-105) of the upper tier (98). An upper felt (106) extends alternately around each dryer (103-105) of the upper tier (98) and each roll (100-102) of the upper plurality of rolls. The further drying section also includes a lower tier (107) of dryers (108-110) and a lower plurality of rolls (111-112) disposed between adjacent dryers of the lower tier (107). A lower felt (114) extends alternately around each dryer (108-110) of the lower tier (107) and each roll of the lower rolls. The arrangement is such that the web extends in open draw (40c, 42c, 44c, 46c) between each dryer of the upper (98) and lower tiers (107) so that any tendency of the web to curl is controlled during movement of the web through the further drying section (96).

Abstract translation: 公开了一种用于干燥纸幅（WC）的干燥装置（10c）。 该设备包括用于干燥纸幅的多个顶部粘结干燥部分（60c，62c，64c，78-80）。 每个干燥部分连续布置，使得在纸幅通过多个干燥部分期间，纸幅受到横向和机器方向收缩的约束。 仅另一个单一干燥部分（96）仅设置在多个干燥部分的下游，使得该幅材在多个干燥部分和另外的干燥部分之间延伸。 所述另外的干燥部分（96）包括设置在上层（98）的相邻干燥器（103-105）之间的干燥器的上层（98）和上层多个辊（100-102）。 上毡（106）交替地围绕上层（98）的每个干燥器（103-105）和上部多个辊的每个辊（100-102）延伸。 该另外的干燥部分还包括设置在下层（107）的相邻干燥器之间的下层（107）干燥器（108-110）和下层多个辊（111-112）。 下毛毯（114）交替地围绕下层（107）的每个干燥器（108-110）和下辊的每个辊延伸。 该布置是这样的，使得幅材在上部（98）和下部（107）的每个干燥器之间在敞开的牵引部（40c，42c，44c，46c）中延伸，使得在幅材的运动期间控制幅材卷曲的任何趋势 通过另外的干燥部分（96）。

公开(公告)号：EP0637350B1

公开(公告)日：1997-11-19

申请号：EP93910650.6

申请日：1993-04-16

Applicant: BELOIT TECHNOLOGIES, INC.

Inventor： SIMS, Duke, N. ,  WEDEL, Gregory, L.

IPC: D21F5/04

CPC classification number: D21F5/04

Abstract: A drying apparatus (10c) is disclosed for drying a web (WC) of paper. The apparatus includes a plurality of top felted drying sections (60c, 62c, 64c, 78-80) for drying the web. Each of the drying sections is arranged in succession such that the web is restrained against cross-machine and machine directional shrinkage during passage of the web through the plurality of drying sections. A further single drying section (96) only is disposed downstream relative to the plurality of drying sections such that the web extends between the plurality of drying sections and the further drying section. The further drying section (96) includes an upper tier (98) of dryers and an upper plurality of rolls (100-102) which are disposed between adjacent dryers (103-105) of the upper tier (98). An upper felt (106) extends alternately around each dryer (103-105) of the upper tier (98) and each roll (100-102) of the upper plurality of rolls. The further drying section also includes a lower tier (107) of dryers (108-110) and a lower plurality of rolls (111-112) disposed between adjacent dryers of the lower tier (107). A lower felt (114) extends alternately around each dryer (108-110) of the lower tier (107) and each roll of the lower rolls. The arrangement is such that the web extends in open draw (40c, 42c, 44c, 46c) between each dryer of the upper (98) and lower tiers (107) so that any tendency of the web to curl is controlled during movement of the web through the further drying section (96).