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A core plate online monitoring system and method of a diaphragm filter plate

A membrane filter plate and monitoring system technology, applied in the direction of measuring force, measuring heat, measuring device, etc., can solve the problems such as the service status and monitoring of the filter plate of the filter press that have not yet occurred, and achieve accurate and rapid elimination of filter plate failures and hidden safety hazards. , Guaranteed benefits, and the effect of strong practicability

Active Publication Date: 2018-01-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, due to the constraints of various technologies and sensor conditions, there is no technology to monitor the service state of the filter plate of the filter press in my country.

Method used

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  • A core plate online monitoring system and method of a diaphragm filter plate
  • A core plate online monitoring system and method of a diaphragm filter plate
  • A core plate online monitoring system and method of a diaphragm filter plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] Embodiment 1: An on-line health monitoring device and method for a core plate of an upper-feed box-type diaphragm filter plate.

[0079] Such as image 3 As shown, the system includes: a thin rod-shaped bidirectional lead fiber Bragg grating pair sensor insert 6, a fiber coupler, a fiber grating digital demodulator, a computer system, and the like.

[0080] The structure of thin rod-shaped bidirectional lead fiber Bragg grating pair sensor insert 6 is as follows figure 1 As shown, there are leads at both ends of each fiber grating, forming two signal channels. After being broken by external force, one double-lead grating sensor can become two single-lead grating sensors, and the grating can work normally, ensuring online monitoring process monitoring stability.

[0081] (1) According to the size of the core plate of the upper-feed box-type diaphragm filter plate, 26 optical fibers with a cladding diameter of 40 μm are engraved to engrave gratings. Each optical fiber ...

Embodiment 2

[0088] Embodiment 2 An on-line health monitoring device and method for a core plate of a middle-feed box-type membrane filter plate

[0089] Such as Figure 4 As shown, the system includes: a thin rod-shaped unidirectional lead fiber Bragg grating sensor insert, a thin rod-shaped bidirectional lead fiber Bragg grating sensor insert, a fiber coupler, a fiber grating digital demodulator, a computer system, and the like.

[0090] The structure of the thin rod-shaped unidirectional lead fiber Bragg grating pair package insert 10 is as follows figure 2 As shown, each fiber grating has only one lead wire, and the fiber grating with one-way lead is convenient for arrangement around the feeding hole in the center of the core plate of the diaphragm filter plate.

[0091] (1) According to the shape, structure, and size of the core plate of the middle-feed box-type diaphragm filter plate, 22 optical fiber gratings with a cladding diameter of 40 μm of bidirectional leads were engraved. ...

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Abstract

The invention discloses an on-line monitoring system and method for a core plate of a diaphragm filter plate. The system includes a fiber grating demodulator, a fiber coupler, a processor and a fiber grating sensor component, wherein the fiber grating sensor component is arranged in the core plate, The light source sends out a light signal, which is transmitted to the FBG sensor component through the fiber coupler. After the light signal interacts with the FBG, the reflected light enters the FBG demodulator through the fiber coupler, and the FBG demodulator is connected to the processor for processing. The controller calls the core board damage database, analyzes the damage degree, builds a three-dimensional model, and outputs the damage distribution of the core board. The invention can evaluate the health of the core board and issue early warnings in time, which helps to accurately and quickly eliminate core board failures and potential safety hazards. Avoid safety accidents and production losses, and ensure the interests of both equipment manufacturers and users.

Description

technical field [0001] The invention relates to an on-line monitoring system and method for a core plate of a diaphragm filter plate. Background technique [0002] Chamber diaphragm filter press has the advantages of high pressing pressure, good corrosion resistance, convenient maintenance, safety and reliability, etc. It is the first choice for industries such as metallurgy, papermaking, pharmaceuticals, food, brewing, and sludge. [0003] Chamber filter press is a pressurized filtration equipment that operates intermittently and requires constant loading and unloading. And in the actual working environment, the pressure on both sides of the filter plate may be severely unbalanced under special conditions such as pipeline blockage, or the filter plate is directly impacted by the slurry due to damage to the filter cloth. In this way, the filter plate is in a state of periodically and frequently subjected to uneven out-of-plane dynamic loads, which further deteriorates its b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/24G01K11/32G01K11/3206
CPCG01K11/3206G01L1/246
Inventor 贾玉玺董琪万国顺郭云力
Owner SHANDONG UNIV
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