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System for automatically controlling thickening parameters in photoelectric monitoring thickening process and corresponding thickener

A photoelectric detection and density technology, applied in separation methods, precipitation separation, sedimentation tanks, etc., can solve the problems of inability to intelligently control density parameters, failure of concentration detection instruments, distortion of detection results, etc., so as to ensure the concentration effect, and the detection data is effective and reliable. , avoid wasteful effects

Pending Publication Date: 2022-07-01
JINGJIN ENVIRONMENTAL PROTECTION INC
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the defects of the existing thickener detection and control system, to solve the problems of the failure of the concentration detection instrument or the distortion (unreliable) of the detection results, and the inability to intelligently control the thickening parameters (including the amount of feed, the amount of dosing, and the concentration effect). Technical problem, provide a system for photoelectric monitoring of thickening process and automatic control of thickening parameters and corresponding thickener

Method used

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  • System for automatically controlling thickening parameters in photoelectric monitoring thickening process and corresponding thickener
  • System for automatically controlling thickening parameters in photoelectric monitoring thickening process and corresponding thickener
  • System for automatically controlling thickening parameters in photoelectric monitoring thickening process and corresponding thickener

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Embodiment 1

[0020] A system for automatically controlling thickening parameters in photoelectric monitoring thickening process (abbreviation: photoelectric monitoring automatic control system), the main points of the innovative overall implementation plan are: 1. On the basis of the existing thickener vacuum see-through container equipment, add photoelectric detection Instrument 17, and cancel the existing concentration detection device, the photoelectric detection instrument 17 can monitor the thickening process (including sedimentation speed and time) online in real time, and transmit the detection data to the PLC control system 24; 2. Use the PLC control system 24 to replace the current Some non-intelligent electrical control systems, PLC control system 24 real-time dynamic comparison of detection data and design parameters, intelligent control of dense parameters - timely adjustment of the feed amount and the reasonable amount of flocculant, to avoid the waste of flocculant, to ensure t...

Embodiment 2

[0030] A thickener, that is, an automatic thickener, uses the system for automatically controlling the thickening parameters of the photoelectric monitoring thickening process (abbreviated as: photoelectric monitoring automatic control system) provided by the present invention; 2, scraper shaft 3, scraper 4), photoelectric monitoring automatic control system (the present invention) and other components; it is suitable for the concentration of suspension with low concentration - the solid content of 10% to 20% Suspension slurry (suspension) is concentrated into underflow sediment with a solid content of 45% to 55% by gravity sedimentation, which is used for subsequent treatment by terminal dewatering equipment such as filter presses.

[0031] The photoelectric monitoring automatic control system is mainly equipped with a vacuum perspective container (including a pocket transparent container 16 and its accessories, a container cleaning pump 14, a pneumatic control system), a phot...

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Abstract

According to the system for automatically controlling the thickening parameters in the photoelectric monitoring thickening process and the corresponding thickener, the innovative scheme has the key points that 1, on the basis of vacuum perspective container equipment of the existing thickener, a T18-6MX type photoelectric detection instrument is additionally arranged, and an existing concentration detection device is cancelled; the photoelectric detection instrument can monitor the thickening process (including settling velocity and time) on line in real time and transmit detection data to the PLC control system; 2, a PLC control system is adopted to replace an existing non-intelligent electrical control system, the PLC control system dynamically compares detection data with design parameters in real time and intelligently controls thickening parameters, the feeding amount and the reasonable dosage of a flocculating agent are adjusted in time, waste of the flocculating agent is avoided, and the material concentration effect is guaranteed. The thickener is an automatic thickener, and a system for monitoring the thickening process through photoelectricity and automatically controlling thickening parameters is used; the technical problems that a concentration detection instrument loses efficacy or a detection result is distorted, and thickening parameters (including the feeding amount, the dosage and the concentration effect) cannot be intelligently controlled are solved.

Description

technical field [0001] The invention belongs to the technical field of automatic thickeners, and relates to a system for monitoring thickening process (including settling speed and time) and automatically controlling thickening parameters (including feeding amount, dosing amount and concentration effect). Background technique [0002] Thickener (also called thickener) is a solid-liquid separation equipment based on gravity sedimentation; automatic thickener is a thickener that automatically controls thickening parameters (including feed amount and dosing amount) by detecting material concentration. It consists of a concentration tank, a thickening mechanism, a concentration detection device, and an electrical control cabinet; the concentration tank includes a cone-bottom cylinder, a discharge port, and an overflow port; the thickening mechanism includes a drive motor, a reducer, a scraper shaft (rake rod), Scraping rake; concentration detection device, which can only detect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/32B01D21/01B01D21/02
CPCB01D21/32B01D21/01B01D21/02
Inventor 孙法兵刘大瑞李震刘子新王庆森梁一
Owner JINGJIN ENVIRONMENTAL PROTECTION INC
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