Screen plate falling monitoring device of medium drainage screen

A monitoring device and de-intermediation technology, which is applied in the direction of filter screen, solid separation, grille, etc., can solve the problems of human fault judgment hysteresis, and achieve the effects of improving timeliness, avoiding impact, and shortening time
CN108554801AActive Publication Date: 2018-09-21YULIN UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
YULIN UNIV
Publication Date
2018-09-21

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Abstract

The invention discloses a screen plate falling monitoring device of a medium drainage screen. The screen plate falling monitoring device of the medium drainage screen comprises a foreign object detection box, an undersize pipeline, a detection module and a control unit. The foreign object detection box is connected with the undersize pipeline, a grate is arranged at the bottom of the foreign object detection box, and a detection box cover plate is arranged on the top of the foreign object detection box. The detection module is arranged on the foreign object detection box and used for detectingthe position of the detection box cover plate. When the height of materials accumulated in the foreign object detection box is equal to a certain value, the detection box cover plate is prompted to move, and the control unit outputs an alarm signal. The hysteresis problem of human experience fault judgment is solved, and the timeliness and practicability advantages of the device are highlighted.
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Description

technical field

[0001] The invention relates to the technical field of mechanical fault detection in a coal preparation plant, in particular to a device for monitoring the sieve plate falling off of a medium separation sieve in a heavy medium coal preparation machine of a coal preparation plant. Background technique

[0002] The failure of the sieve plate of the separation sieve is one of the frequent failures in the daily production and operation of the separation sieve. If the fault cannot be found in time after the second layer of the sieve plate of the separation sieve falls off, the large pieces of material on the screen will pass through the pipeline under the screen. Entering the media system will cause blockage of the pipeline under the media sieve, which will cause the paralysis of the entire media circulation system and prevent normal production.

[0003] At this stage, the sieve plates used in coal preparation plants are all polyurethane sieve plates with good wea...

Claims

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