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Measuring Temperature for Monitoring and Control of a Fiber Web or Finishing Machine

A health, paper technology, applied in paper machines, transport and packaging, temperature measurement of moving solids, etc.

Active Publication Date: 2019-12-13
VALMET TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these cannot be used to directly draw conclusions about which phenomena are the result of the temperature distribution and which are the result of other factors

Method used

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  • Measuring Temperature for Monitoring and Control of a Fiber Web or Finishing Machine
  • Measuring Temperature for Monitoring and Control of a Fiber Web or Finishing Machine
  • Measuring Temperature for Monitoring and Control of a Fiber Web or Finishing Machine

Examples

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Embodiment Construction

[0025] figure 1 A rough schematic diagram of an example of an application of the invention is shown, where the application here is a fiber web machine 10 . In addition to fiber web machines 10, the invention can also be used, for example, in paper finishing machines 14, such as figure 1 As shown, the paper finishing machine 14 is located at the end of the fiber web machine 10 when viewed in the machine direction MD (machine direction). Some examples of paper finishers 14 include winding, slitting, calendering, coating, surface sizing 14', and rewinding.

[0026] A fiber web machine or paper finishing machine comprises one or more fruit bodies 11-14. The fiber web machine 10 may comprise a continuous fruit body in the direction of travel of the web W, in other words in the machine direction MD (from figure 1 ) comprising: a headbox (not shown), a web forming section 11, a press section 12, a dryer section 13, one or more possible paper finishing equipment 14, wherein a surfa...

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PUM

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Abstract

A method for the monitoring and control of the operating conditions of a fiber web machine or paper finishing machine, where the monitoring and control are performed on a rotatable machine element (41) equipped with a sensor assembly (24) that measures temperature, and generates a measurement signal (25), and a cross-directional temperature profile (21) of the machine element is generated from themeasurement signal. One or more reference profiles (35) are generated for the cross-directional temperature profile of the machine element. The cross-directional temperature profile of the machine element generated from the measurement signal and at least one reference profile generated for it are compared to find a change concerning the operating conditions of the fiber web machine or paper finishing machine, and actions are performed on the basis of said change. The invention also relates to a corresponding system, a rotating machine element and a computer program product.

Description

technical field [0001] The invention relates to a method for monitoring and controlling the operating conditions of a fiber web or paper finishing machine, wherein the monitoring and control is carried out on rotatable machine elements in the machine, and wherein the rotatable machine elements are equipped with measuring temperature sensor components, where [0002] - the sensor assembly generates a measurement signal depending on the temperature of the rotatable machine element, [0003] - Generating a lateral distribution of the temperature of the rotatable machine element from the measurement signal. [0004] Furthermore, the invention relates to a corresponding system, a rotatable machine element and a computer program product. Background technique [0005] It is well known that the internal water circulation of the rolls of a fiber web machine often leads to a significant accumulation of internal dust in the rolls, and often also to other fouling. This can cause prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M99/00
CPCB65H18/26B65H26/00D21F3/00D21G1/00D21G9/00F16C13/00G01K13/04G01L5/00G01L5/0009G01M99/002G01M99/005G01L5/0085D21G9/0036D21G9/0045D21G1/0286G01K13/08D21G9/0009B65H23/188B65H2515/40B65H2515/34B65H2515/314
Inventor T·皮特克南J·库克海基·凯图宁G·范德科尔皮
Owner VALMET TECH OY
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