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Formation detection system and process of controlling

A detection system and control system technology, applied in paper testing, measuring devices, material inspection products, etc., can solve the problems of unknowable exact position of impact, ignorance of exact position, lag, etc.

Pending Publication Date: 2021-09-07
IBS OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the change is made before the scanner, the scanner can detect the change; however there will be a lag and the precise location of the impact may not be known because other variables are constantly changing
Therefore, the operator may not know the precise location of the part of the paper machine that introduces a certain variability into the system

Method used

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  • Formation detection system and process of controlling
  • Formation detection system and process of controlling
  • Formation detection system and process of controlling

Examples

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Embodiment Construction

[0040] The explanations and illustrations presented herein are intended to acquaint others skilled in the art with the invention, its principles and its practical application. Those skilled in the art can adapt and apply the invention in various forms that can best suit the requirements of a particular use. Accordingly, the specific embodiments of the invention described are not intended to be exhaustive or to limit the present teachings. The scope of the teachings, therefore, should be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated by reference for all purposes. Other combinations are possible as can be obtained from the appended claims, which are also hereby incorporated by reference into this written descrip...

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Abstract

The invention relates to a formation detection system and a process of controlling. The formation detection system comprises: (a) one or more sensors and (b) one or more lights that illuminate a location of interest so that the one or more sensors can monitor the location of interest; wherein one of the one or more sensors are located substantially planar with a net of a paper machine and proximate to a lip opening so that the one of the one or more sensors is adjacent to a cut portion so that the one of the one or more sensors is capable of measuring paper stock above the net and removed water below the net, and wherein the one of the one or more sensors is capable of measuring a distance between an impingement location of a stock jet and the net and a forming board.

Description

technical field [0001] The present teachings relate to a formation detection system connected to a control system for monitoring and controlling the formation along one or more sections of a paper machine, and preferably along the entire length of the paper machine. Background technique [0002] Typically, a Fourdrinier paper machine comprises a wet section with a wire moving in the machine direction. The web has a width (ie, cross direction), and the stock is applied substantially along the entire width of the web. A plurality of scrapers are located under the wire and assist in removing water from the paper stock on the wire. The scrapers are usually static, but actuated foils and scrapers have been added to the wet end in recent years. Users typically change paper machines by adjusting machine characteristics such as lip opening or machine speed based on dry test results. The paper machine can be further modified in the press section, dryer section, calender section or...

Claims

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Application Information

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IPC IPC(8): D21F9/02D21G9/00G01N33/34
CPCD21F9/02D21G9/00G01N33/34D21G9/0009G01N33/346D21F9/006D21F11/04D21G9/0036G01N21/86D21F5/04G01N21/89
Inventor A·福里斯特P·瓦拉斯科J·尼尔D·杰克逊C·布莱尔J·福福
Owner IBS OF AMERICA
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