Automatic control method and device for coal-containing wastewater treatment system

By using a DCS control system to automatically control the coal-containing wastewater treatment system, the problem of the lack of fully automated treatment in existing technologies has been solved, and a highly efficient automated treatment effect has been achieved.

CN121433166APending Publication Date: 2026-01-30HUANENG XINHUA POWER GENERATION CO LTD
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Patent Information

Application Number
CN202511774517.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-28
Publication Date
2026-01-30

AI Technical Summary

Technical Problem

The lack of fully automated solutions for treating coal-containing wastewater in existing technologies leads to low treatment efficiency.

Method used

The DCS control system is used to obtain the pre-set start-up and shutdown sequence, equipment list and closed-loop control parameters to realize the automatic control of the coal-containing wastewater treatment system, including the automatic control of influent and effluent water quality and water flow, and real-time monitoring through the host computer.

Benefits of technology

It has achieved fully automated treatment of coal-containing wastewater, reducing manual intervention and improving treatment efficiency.

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Abstract

The embodiment of the invention provides an automatic control method and device for a coal-containing wastewater treatment system, and the method comprises the steps: obtaining a preset start-stop sequence of the coal-containing wastewater treatment system, a normal operation and standby operation equipment list, and closed-loop control parameters of the coal-containing wastewater treatment system through a DCS control system; and automatically controlling the operation of the coal-containing wastewater treatment system through the DCS according to the start-stop sequence of the coal-containing wastewater treatment system, the list of the equipment in normal operation and standby operation and the closed-loop control parameters of the coal-containing wastewater treatment system.
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Description

TECHNICAL FIELD

[0001] The present document relates to the technical field of computers, and particularly relates to an automatic control method and device of a coal-containing wastewater treatment system. BACKGROUND

[0002] In the prior art, coal-containing wastewater treatment is as follows: after being collected, the coal-containing wastewater enters a coal water sedimentation tank for sedimentation, supernatant enters a sewage tank, and then is transported to a mortar pump house by a sewage pump as a flushing water, and finally is discharged into an ash yard. At present, there is no technical scheme capable of automatically treating the coal-containing wastewater. SUMMARY

[0003] The present application aims to provide an automatic control method and device of a coal-containing wastewater treatment system, and aims to solve the above problems in the prior art.

[0004] The present application provides an automatic control method of a coal-containing wastewater treatment system, comprising: obtaining, by a DCS control system, a pre-set start-stop sequence of the coal-containing wastewater treatment system, a list of devices for normal operation and standby operation, and closed-loop control parameters of the coal-containing wastewater treatment system; controlling, by the DCS control system, the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the list of devices for normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system.

[0005] The present application provides an automatic control device of a coal-containing wastewater treatment system, comprising: an obtaining module, configured to obtain, by a DCS control system, a pre-set start-stop sequence of the coal-containing wastewater treatment system, a list of devices for normal operation and standby operation, and closed-loop control parameters of the coal-containing wastewater treatment system; a control module, configured to control, by the DCS control system, the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the list of devices for normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system.

[0006] The present application further provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program is executed by the processor to implement the steps of the automatic control method of the coal-containing wastewater treatment system.

[0007] The present application further provides a computer readable storage medium, wherein the computer readable storage medium stores an implementation program of information transmission, and the program is executed by a processor to implement the steps of the automatic control method of the coal-containing wastewater treatment system.

[0008] By adopting the embodiment of the present application, full automation of the coal-containing wastewater treatment can be realized, manual intervention is reduced, and the treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the one or more embodiments of the present specification or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present specification, and other drawings can be obtained by those skilled in the art without creative labor.

[0010] Figure 1 is a flow chart of the automatic control method of the coal-containing wastewater treatment system according to the embodiment of the present application. Figure 2 is a schematic diagram of the automatic control device of the coal-containing wastewater treatment system according to the embodiment of the present application. Figure 3 is a schematic diagram of the electronic device according to the embodiment of the present application. DETAILED DESCRIPTION

[0011] In order to make the person skilled in the art better understand the technical solutions in the one or more embodiments of the present specification, the technical solutions in the one or more embodiments of the present specification will be clearly and completely described below in conjunction with the drawings in the one or more embodiments of the present specification. Obviously, the described embodiments are only some embodiments of the present specification, not all embodiments. Based on the one or more embodiments of the present specification, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present document.

[0012] Method embodiment According to the embodiment of the present application, an automatic control method of a coal-containing wastewater treatment system is provided, Figure 1 is a flow chart of the automatic control method of the coal-containing wastewater treatment system according to the embodiment of the present application, as Figure 1 shown, the automatic control method of the coal-containing wastewater treatment system according to the embodiment of the present application specifically includes: Step S101, obtaining the pre-set start-stop sequence of the coal-containing wastewater treatment system, the device list of normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system through the DCS control system; wherein the closed-loop control parameters of the coal-containing wastewater treatment system specifically include: the set point and the change rate of the closed-loop control parameters.

[0013] Step S102, automatically controlling the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the device list of normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system through the DCS control system. Preferably, the indicators of the water quality and water flow of the coal-containing wastewater treatment system can also be automatically controlled through the DCS control system. In actual application, an over-limit alarm system can also be set to ensure the safety of the water used by the power plant.

[0014] In the embodiment of the present application, the switching switch can be set by the control mode of the local button to switch and control the automatic / manual operation of the coal-containing wastewater treatment system. When the electrical equipment is automatically controlled by the DCS control system, the control is performed by the host computer; when manually controlled, the manual control is performed on the field control cabinet.

[0015] In the embodiment of the present application, the control information is sent to the host computer through the DCS control system, and the device operation state and control information of the coal-containing wastewater treatment system are displayed in real time on the host computer to meet the unattended automatic operation control.

[0016] In actual application, the automatic control of the coal-containing wastewater treatment system needs to add a complete DCS control system and an operator station (host computer). The DCS control system mainly includes: one UPS power supply, one power supply cabinet, one network exchange cabinet, one DCS control cabinet, and one operator station. The newly added DCS control cabinet is arranged in the newly built electronic room of the project. The newly added operator station is arranged in the existing central control room (which can be modified according to the actual situation on the spot) to realize remote monitoring.

[0017] Device embodiment one According to the embodiment of the present application, an automatic control device of a coal-containing wastewater treatment system is provided, Figure 2 is a schematic diagram of the automatic control device of the coal-containing wastewater treatment system according to the embodiment of the present application, as Figure 2 shown, the automatic control device of the coal-containing wastewater treatment system according to the embodiment of the present application specifically comprises: The acquisition module 20 is configured to acquire the pre-set start-stop sequence of the coal-containing wastewater treatment system, the device list of normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system through the DCS control system. The control module 22 is configured to automatically control the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the device list of normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system through the DCS control system. Further configured to: The DCS control system controls the indexes of the water quality and water flow of the coal-containing wastewater treatment system automatically.

[0018] The device further comprises: The switching module sets the switching switch through the control mode of the local button, and switches and controls the automatic / manual operation of the coal-containing wastewater treatment system.

[0019] The embodiment of the application is a device corresponding to the above-mentioned method embodiment, and the specific operation of each module can be understood with reference to the description of the method embodiment, which will not be repeated here.

[0020] Device embodiment two The embodiment of the application provides an electronic device, such as Figure 3 As shown in the figure, comprising: memory 30, processor 32 and storage on the memory 30 and can run on the processing 32 computer program, the computer program is executed by the processor 32 when realizing the steps as described in the method embodiment.

[0021] Device embodiment three The embodiment of the application provides a computer readable storage medium, and the computer readable storage medium stores an implementation program of information transmission.

[0022] The computer readable storage medium in the embodiment includes but is not limited to ROM, RAM, magnetic disk or optical disk and the like.

[0023] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application.

Claims

1. An automatic control method of a coal-containing wastewater treatment system, characterized by, The method comprises the following steps: The DCS control system is used to obtain the pre-set start-stop sequence of the coal-containing wastewater treatment system, the list of devices for normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system; The DCS control system is used to automatically control the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the list of devices for normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system.

2. The method of claim 1, wherein, The method further comprises the following steps: A switching switch is set through the control mode of the local button to switch the automatic / manual operation of the coal-containing wastewater treatment system.

3. The method of claim 1, wherein, The method further comprises the following steps: The DCS control system is used to automatically control the indicators of the water quality and flow of the coal-containing wastewater treatment system.

4. The method of claim 1, wherein, The DCS control system is used to send control information to the upper computer, and the upper computer is used to display the device operation state and control information of the coal-containing wastewater treatment system in real time. The method comprises the following steps:

5. An automatic control device for a coal-containing wastewater treatment system, characterized in that, An acquisition module is configured to obtain, through a DCS control system, a pre-set start-stop sequence of a coal-containing wastewater treatment system, a list of devices for normal operation and standby operation, and closed-loop control parameters of the coal-containing wastewater treatment system; A control module is configured to automatically control, through the DCS control system, the operation of the coal-containing wastewater treatment system according to the start-stop sequence of the coal-containing wastewater treatment system, the list of devices for normal operation and standby operation, and the closed-loop control parameters of the coal-containing wastewater treatment system. The device further comprises:

6. The apparatus of claim 5, wherein, A switching module is configured to set a switching switch through the control mode of a local button to switch the automatic / manual operation of the coal-containing wastewater treatment system. The control module is further configured to:

7. The apparatus of claim 5, wherein, The DCS control system is used to automatically control the indicators of the water quality and flow of the coal-containing wastewater treatment system. The control module is further configured to:

8. The apparatus of claim 5, wherein, The DCS control system is used to send control information to the upper computer, and the upper computer is used to display the device operation state and control information of the coal-containing wastewater treatment system in real time. The method comprises the following steps:

9. An electronic device, comprising: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program is executed by the processor to implement the steps of the automatic control method of the coal-containing wastewater treatment system according to any one of claims 1 to 4. The computer-readable storage medium stores an implementation program of information transmission, and the program is executed by the processor to implement the steps of the automatic control method of the coal-containing wastewater treatment system according to any one of claims 1 to 4.

10. A computer readable storage medium characterized by, ​