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System for pre-warning destabilization of microstickies by utilizing pH value change of white water

A technology of sticky matter and white water, applied in the direction of measuring devices, material analysis through electromagnetic means, instruments, etc., can solve the problems of micro sticky matter instability, etc., achieve the effect of reducing safety hazards, reducing labor force, and great practicability

Inactive Publication Date: 2017-05-10
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of instability of fine stickies in the papermaking white water circulation system, the present invention provides a system for warning the instability of fine stickies by utilizing the change of pH value in white water

Method used

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  • System for pre-warning destabilization of microstickies by utilizing pH value change of white water
  • System for pre-warning destabilization of microstickies by utilizing pH value change of white water
  • System for pre-warning destabilization of microstickies by utilizing pH value change of white water

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Embodiment Construction

[0033] The method of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] The structure of a system that uses the change of pH value in white water to warn the instability of micro stickies in the present invention is as follows: figure 1 As shown, the system consists of monitoring module 2, monitoring module 3, alarm module 4 and display module 5:

[0035] 1. The components of the system

[0036] 1) The monitoring module 2 is as figure 2 As shown, it consists of a pH probe 2-1, a pH glass electrode 2-2, a pH display 2-3, a first current transmission wire 2-4 and a first power supply 2-5.

[0037] The pH glass electrode 2-2 is arranged in the pH probe 2-1; the pH probe 2-1 is connected to one end of the pH display 2-3, and the other end of the pH display 2-3 ...

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Abstract

The invention discloses a system for pre-warning destabilization of microstickies by utilizing the pH value change of white water. The system consists of four parts, namely a detection module (the main part is an industrial on-line pH meter), a monitoring module (the main part is a computer), a warning module (the main part is a warner) and a display module (the main part is a computer), wherein the detection range of the industrial on-line pH meter is 3 to 11 and the precision is + / - 0.02 pH; the pH value is transmitted to the monitoring computer through current transmission to be recorded and stored; and once the pH value exceeds the set normal pH value of the white water, a command is transmitted to the warning module, the warning module transmits the command to the display module, the display computer is connected with the monitoring computer through a local area network, and a correct scheme can be made to solve the problem. Compared with the prior art, the system can monitor the pH value of a white water circulating system at any time, realizes a full-process automation form, reduces labor force and potential safety hazards and has high practicability.

Description

technical field [0001] The invention belongs to the technical field of early warning devices. Specifically, it is a system that uses the change of pH value in white water to warn the instability of fine stickies. Background technique [0002] The pH value affects the turbidity of fine stickies in white water. Under acidic conditions, the turbidity of white water decreases, and under alkaline conditions, the turbidity of white water gradually increases with the addition of alkali, which means that fine stickies in white water have a tendency to aggregate under acidic conditions. , has a tendency to disperse under alkaline conditions. Taking old newsprint (OPN) white water as an example, there will be two obvious sedimentation at about pH3.5 and pH5. , the turbidity of white water is high, and the turbidity value will continue to rise after adding lye, that is to say, for OPN white water, the acid should be added to about 3.5 when removing fine stickies, and the feeding is c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/00
CPCG01N27/00
Inventor 章哲韵易敏姚双全王志伟王双飞
Owner GUANGXI UNIV
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