Ion exchange system intelligent regeneration control method and system based on image recognition

An ion exchange and regeneration control technology, applied in the field of water treatment in power plants, can solve problems such as time-consuming and labor-intensive system operation safety, reduce regeneration acid-base consumption and waste liquid discharge, reduce on-site inspection and coordination, and improve The effect of regenerating quality

Pending Publication Date: 2022-07-29
CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH +4
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is how to solve the technical problems of time-consuming and labor-intensive and low system operation safety existing in the prior art

Method used

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  • Ion exchange system intelligent regeneration control method and system based on image recognition
  • Ion exchange system intelligent regeneration control method and system based on image recognition

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Experimental program
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Embodiment 1

[0055] Cameras are respectively set on the upper-view mirror, middle-view mirror and the outlet of the backwash drain pipe of the anion / cation exchange equipment. The camera in the sight glass of the exchange equipment is used to observe the resin disturbance in the regeneration pre-injection, acid / alkali feeding, and replacement steps; the camera at the outlet of the backwash drain pipe of the anion / cation exchange equipment is used to observe whether there is resin leakage during resin backwashing. The monitoring image of the camera is transmitted to the computer intelligent analysis unit, and the intelligent analysis unit is connected with the computer DCS program control system.

[0056] like figure 1 As shown, this embodiment adopts a method for intelligent regeneration optimization control of ion exchange system based on image recognition, wherein the regeneration method of anion / cation exchange equipment comprises the following steps:

[0057] Step S01: The computer DC...

Embodiment 2

[0064] The upper-view mirror, middle-view mirror, lower-view mirror and the outlet of the backwash drain pipe of the mixed ion exchange equipment are respectively provided with cameras. The middle sight glass of the exchange equipment is used to observe the anion and cation resin interface during backwashing and stratification of the resin, and the lower sight glass of the mixed ion exchange equipment is used to observe the anion and cation resin interface during resin regeneration and the disturbance state of the anion and cation resin in the mixing step. The camera at the outlet of the backwashing drainage pipe of the mixed ion exchange equipment is used to observe whether there is a large amount of resin leakage during the backwashing of the resin.

[0065] like figure 2 As shown, the present embodiment adopts a method for intelligent regeneration and optimization control of an ion exchange system based on image recognition, wherein the method for regenerating a mixed ion ...

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Abstract

The invention provides an ion exchange system intelligent regeneration control method and system based on image recognition. The method comprises the steps that a regeneration instruction is sent out, mixed ion exchange equipment is subjected to backwashing, an upper sight glass camera collects the difference value between the resin backwashing expansion height and a preset reference line A, and whether the resin expansion height is appropriate or not is judged; a middle sight glass camera collects a resin picture, and whether a resin layering interface is clear or not is judged according to a deep learning model so as to control backwashing layering; a middle sight glass camera collects a resin picture, and the difference value between the resin upper liquid level height and the resin height is judged to complete water drainage; a lower sight glass camera collects layering pictures of the resin, whether the resin is disturbed or not is judged according to a deep learning model, and pre-injection, acid-base feeding and replacement are carried out according to the judgment result; full water conventional well-washing: judging that the equipment is full of water through a liquid level switch of an exhaust pipe, and then entering small conventional well-washing and conventional well-washing; and resin mixing images collected by water and a middle sight glass camera are used for controlling mixing and forward washing of the resin. The technical problems of time and labor consumption and low operation safety are solved.

Description

technical field [0001] The invention relates to the technical field of water treatment in power plants, in particular to an intelligent regeneration control method and system for an ion exchange system based on image recognition. Background technique [0002] As one of the most widely used traditional desalination technologies, ion exchange desalination originated in the 1940s and has outstanding advantages such as good effluent quality, low production cost, and mature technology. In conventional softening and desalination systems, especially in desalination systems for producing pure water and high-purity water, ion-exchange water treatment methods are still mainly used. Ion exchange desalination is to use the exchangeable hydrogen ions and hydroxide ions on the ion exchange resin to exchange ions with dissolved salts in water to achieve the purpose of removing salts in water. Due to the limited exchange capacity of ion exchange resins and the reversibility of ion exchange...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J49/85G05B19/418
CPCB01J49/85G05B19/41845G05B2219/33273
Inventor 彭巧玲江斌胡罡赵素强宋继明张达光慕晓炜陈皓张哲蒋春晓赵旸
Owner CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH
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