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Running component for drying section

A drying section, component technology, applied in the direction of dryer section, press section, textile and paper making, which can solve the problem that time-consuming and cost-effective manufacturing is not suitable

Pending Publication Date: 2022-05-13
VALMET TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fabrication of curved or crowned runnable components is time-consuming and requires careful customization of each runnable component according to its intended location and operating parameters, which is not an appropriate method for cost-effective fabrication

Method used

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  • Running component for drying section
  • Running component for drying section
  • Running component for drying section

Examples

Experimental program
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Effect test

Embodiment Construction

[0035] Figure 1a A schematic diagram of the pocket space between two drying cylinders A, A' and one turning roll B is shown. The runnability component 1 is arranged in the pocket C. The runnable part 1 has an elongated box-like body extending across the width of the machine, parallel to the drying cylinders A, A'. The box-like body of the runnability component 1 comprises an entry side surface 2 and an exit side surface 2', and an upper surface 3 and a lower surface 4 connected to the entry side surface 2 and the exit side surface 2'. The box-shaped body has a longitudinal axis extending from its first end to its second end through the center of mass 5 of the body. The sealing members 6, 6', 6" may be arranged in connection with the lower part of the entry side surface 2 and / or with the lower surface 4.

[0036] The running part comprises straightening means 8 arranged to generate straightening stresses on the body of the running part 1 . exist Figure ...

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PUM

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Abstract

The invention discloses a running component for a drying section. The invention relates to a running component for a drying section of a paper machine, a cardboard machine or the like. The operational component has an elongated box-shaped body having a longitudinal axis extending through a center of mass of the body from a first end to a second end. The elongate box-shaped body is formed by: an entry side surface and an exit side surface extending from a first end to a second end; and an upper surface and a lower surface connecting the entry side surface and the exit side surface and extending from a first end to a second end. The running component includes a straightening device arranged to generate a straightening stress on an elongated box-shaped body of the running component.

Description

technical field [0001] The invention relates to a runnability component for a dryer section of a paper machine, board machine or the like according to the preambles of the appended independent claims. Background technique [0002] Runnability components are used in the dryer section of paper and board machines. In the drying section, the fibrous web is in contact with a plurality of heated drying cylinders and their surfaces. The runnable components are arranged in a pocket space formed between two adjacent drying cylinders and diverting rolls at different levels between said drying cylinders formed in the drying process. Ministry. The runnability components create a suitable underpressure which helps to keep the web to be dried in contact with the wire and improves the overall runnability of the dryer section of the paper or board machine. The runnability parts are usually formed as blow boxes or suction boxes, or they can provide both blow and suction for web stabilizat...

Claims

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Application Information

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IPC IPC(8): D21F5/02
CPCD21F5/042D21F3/0272D21F5/048D21F5/02D21F5/046
Inventor H·科尔约宁
Owner VALMET TECH OY
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