Real-time detecting system and method for vibration screen treatment amount

A technology of real-time detection and vibrating sieve, which is applied to chemical instruments and methods, filtration, solid separation, etc. It can solve the problems of poor accuracy and poor economic effect of manual measurement methods of processing capacity, achieve broad market application prospects, and liberate labor force , the effect of reducing the likelihood

Inactive Publication Date: 2016-04-13
HOHAI UNIV CHANGZHOU +1
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a real-time detection system and method for the throughput of

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  • Real-time detecting system and method for vibration screen treatment amount
  • Real-time detecting system and method for vibration screen treatment amount
  • Real-time detecting system and method for vibration screen treatment amount

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0030] The invention provides a real-time detection method for the processing capacity of the vibrating screen, such as figure 2 shown, including the following steps:

[0031] Step 1: collect the acceleration time-domain signal a in the vertical direction of the middle part of the vibrating screen, and collect the time-domain signal F of the force in the vertical direction of the vibration isolation spring on the vibrating screen 1 , F 2 , F 3 and F 4 ;

[0032] Utilize the acceleration sensor to detect the acceleration time-domain signal a=a(t) of the vibrating screen in the vertical direction, and use the force sensors at the four corners of the vibrating screen to detect the force on th...

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Abstract

The invention discloses a real-time detecting system for the vibration screen treatment amount. An acceleration sensor is used for detecting acceleration signals in the middle of a screen body in the vertical direction in real time, force sensors are used for detecting force signals of a vibration screen in the vertical direction in real time, and a signal collecting card collects the acceleration signals and the force signals in real time and uploads the acceleration signals and the force signals to a computer for treatment. The invention further discloses a real-time detecting method for the vibration screen treatment amount. The method comprises the steps that firstly, acceleration time domain signals and force time domain signals are detected in real time; secondly, the time domain analysis is carried out on the acceleration time domain signals and the force time domain signals, and corresponding amplitudes are obtained; thirdly, the Fourier transform is carried out on the acceleration time domain signals, and work frequency is obtained; fourthly, a stress model of the vibration screen in the working process is analyzed; and fifthly, the real-time treatment amount of the vibration screen is worked out. The treatment amount of the vibration screen can be accurately detected in real time, and the real-time detecting system and method have the advantages of being high in automation degree, economical efficiency and precision and can be used for guiding the technology parameter optimization or adjustment of a coal preparation plant production line.

Description

technical field [0001] The invention relates to a real-time detection system for the throughput of a vibrating sieve, and also relates to a real-time detection method for a throughput of a vibrating sieve, which belongs to the technical field of vibrating sieve screening. Background technique [0002] As one of the key equipment in coal preparation production, the vibrating screen can detect the processing capacity of the vibrating screen in real time to ensure its operation within a reasonable range, which is conducive to the smooth progress of coal preparation operations, improves coal preparation efficiency, and can guide coal preparation The process parameters of the factory production line can be optimized or adjusted, and the operating status of the vibrating screen can be adjusted according to the current processing capacity. [0003] According to the national machinery industry standard JB / T9022-2012 (design specifications for vibrating screens), when calculating the...

Claims

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Application Information

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IPC IPC(8): B07B1/42
CPCB07B1/42
Inventor 彭利平纪爱敏
Owner HOHAI UNIV CHANGZHOU
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