Thermal power plant water resource supervision method, system, equipment and medium

Abstract

The invention discloses a thermal power plant water resource supervision method, system and device and a medium. The method comprises the following steps: acquiring related data information of thermal power plant water resources; performing data processing on the obtained related data information of the water resource of the thermal power plant to obtain a data processing result; according to the data processing result, expert processing opinions are given according to an expert database, the thermal power plant water resources are managed and controlled according to the expert processing opinions, and the method, the system, the equipment and the medium can achieve fault early warning and feedback of the thermal power plant water system.

Description

Technical Field

[0001] The invention belongs to the technical field of water treatment and relates to a method, system, equipment and medium for monitoring water resources in a thermal power plant. Background Art

[0002] The water system of thermal power plants is complex. After the water-saving and wastewater comprehensive treatment transformation, in order to achieve deep water saving and near-zero emissions, the water system is designed to reuse low-salt and high-turbidity water such as backwash water to the raw water pretreatment system, and the treated domestic sewage, boiler drainage and other low-turbidity water to the circulating water, and the circulating water and sewage are reused to the desulfurization, coal transportation and slag removal systems. The serial use and reuse of various water systems are strengthened, and the various water systems are interconnected and interact with each other. The water use of the whole plant is a dynamic and organic whole. At present, the water resource management of thermal power plants has problems such as the water resource management of each water-using unit is independent and cannot be coordinated with each other; various water efficiency indicators and cost statistics are manually calculated, lacking reliability and sustainability; lack of water system fault warning and feedback mechanism; lack of professional technical support and solutions for emergencies during operation. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a method, system, equipment and medium for monitoring water resources in a thermal power plant. The method, system, equipment and medium can realize fault warning and feedback of the water system of a thermal power plant.

[0004] In order to achieve the above object, the present invention adopts the following technical scheme:

[0005] In one aspect, the present invention provides a method for monitoring water resources in a thermal power plant, comprising:

[0006] Obtain relevant data and information on water resources in thermal power plants;

[0007] Processing the data information related to the water resources of the thermal power plant to obtain a data processing result;

[0008] According to the data processing results, expert processing opinions are given according to the expert database, and the water resources of the thermal power plant are controlled according to the expert processing opinions.

[0009] The water resources monitoring method for a thermal power plant of the present invention is further improved in that:

[0010] Furthermore, the data information related to the water resources of the thermal power plant includes flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and water treatment equipment operation status signal related to the water resources of the thermal power plant.

[0011] Furthermore, the data processing of the relevant data information of obtaining the water resources of the thermal power plant includes gate flow calculation, flow meter calibration, water management index calculation, operation evaluation index calculation, agent usage calculation, agent cost calculation, electricity consumption calculation, electricity cost calculation and water extraction cost calculation.

[0012] Furthermore, it also includes: displaying the results of data processing in the form of charts.

[0013] In a second aspect of the present invention, the present invention provides a water resources monitoring system for a thermal power plant, comprising:

[0014] Data perception layer, used to obtain relevant data information on water resources in thermal power plants;

[0015] The data processing layer is used to process the data information related to the acquisition of water resources of the thermal power plant to obtain data processing results;

[0016] The application decision layer is used to give expert processing opinions according to the data processing results and the expert database, and to control the water resources of the thermal power plant according to the expert processing opinions.

[0017] The water resources monitoring system for thermal power plants of the present invention is further improved in that:

[0018] Furthermore, it also includes:

[0019] The result display layer is used to display the results of data processing in the form of charts.

[0020] Furthermore, the data processing layer and the data perception layer are connected via an Internet of Things data transmission protocol.

[0021] Furthermore, the IoT data transmission protocols include but are not limited to: Modbus, OPC-UA, OPC-DA, LoRa, ZigBee and Bluetooth.

[0022] In a third aspect of the present invention, a computer device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the thermal power plant water resources supervision method when executing the computer program.

[0023] In a fourth aspect of the present invention, the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the water resources supervision method of a thermal power plant are implemented.

[0024] The present invention has the following beneficial effects:

[0025] The thermal power plant water resources supervision method, system, equipment and medium described in the present invention, in specific operation, performs data processing on the data information related to the acquisition of the thermal power plant water resources to obtain data processing results, so as to realize the monitoring of the thermal power plant water resources. In addition, according to the data processing results, expert processing opinions are given according to the expert database, and the thermal power plant water resources are controlled according to the expert processing opinions, so as to realize the management of the thermal power plant water resources, which is simple and convenient to operate and has strong practicality. At the same time, it should be noted that the present invention adopts the expert database to give expert processing opinions, which has high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 The figure is a flow chart of the method of the present invention. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that the terms “include” and “comprises” indicate the presence of described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or collections thereof.

[0030] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0031] It should be further understood that the term "and / or" used in the present specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes these combinations. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present invention generally indicates that the associated objects are in an "or" relationship.

[0032] It should be understood that, although the terms first, second, third, etc. may be used to describe preset ranges, etc. in the embodiments of the present invention, these preset ranges should not be limited to these terms. These terms are only used to distinguish preset ranges from each other. For example, without departing from the scope of the embodiments of the present invention, the first preset range may also be referred to as the second preset range, and similarly, the second preset range may also be referred to as the first preset range.

[0033] The word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can usually be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] Various structural schematic diagrams of the embodiments disclosed in the present invention are shown in the accompanying drawings. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clear expression. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0036] Embodiment 1

[0037] refer to Figure 1 The water resources supervision method for a thermal power plant of the present invention comprises the following steps:

[0038] 1) Obtain relevant data and information on water resources in thermal power plants;

[0039] The process of step 1) is:

[0040] 11) Configure thermal power plants and install on-site instruments for measuring water quantity, water quality, water temperature, etc.;

[0041] 12) Obtain relevant data information on water resources of thermal power plants from the plant-level monitoring information system database of thermal power plants, including flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and operating status signals of water treatment equipment related to water resources of thermal power plants;

[0042] 13) The relevant data information of the water resources of the thermal power plant is sent out using the Internet of Things data transmission protocol, and the Internet of Things data transmission protocol includes but is not limited to Modbus, OPC-UA, OPC-DA, LoRa, ZigBee and Bluetooth;

[0043] 14) The intelligent management platform for water resources of thermal power plants receives relevant data information of water resources of the thermal power plants and recognizes data points through node addresses. Specifically, each data variable corresponds to a unique node address, and the node address is the identifier and type of the data.

[0044] 2) Processing the relevant data information of the water resources of the thermal power plant to obtain relevant data of the water resources, wherein the data processing includes but is not limited to: calculation of gate flow, flow meter calibration, calculation of water management index, calculation of operation evaluation index, calculation of reagent dosage, calculation of reagent cost, calculation of electricity consumption, calculation of electricity cost and calculation of water extraction cost.

[0045] Specifically, 21) the calculation of the gate flow mainly calculates the gate flow based on the upstream and downstream water volumes, or calculates the gate flow based on the recovery rate, etc.

[0046] 22) Flow meter calibration, the main methods include upstream and downstream water volume comparison calibration, water tank level calibration or water pump rated flow calibration, etc.;

[0047] 23) Calculation of water management indicators, including water intake per unit of power generation, wastewater reuse rate and per capita domestic water consumption;

[0048] 24) Calculation of operation evaluation indexes, wherein the operation evaluation indexes include the reaction zone pH qualified rate, the water tank overflow rate, the clarifier effluent pH qualified rate, and the clarifier effluent turbidity qualified rate;

[0049] 25) Dosing concentration calculation: dosing concentration is calculated based on the dosing pump output and the reactor or system inlet flow rate;

[0050] 26) Calculation of dosage of chemicals: Calculate dosage of chemicals based on output of chemical dosing pump and concentration of chemicals.

[0051] 3) Display the results of data processing;

[0052] Specifically, it is displayed in the form of charts, and the display content includes the real-time dynamic water balance of the plant, the real-time dynamic water balance of the subsystem, the pipe network diagram, water affairs report, historical data query, and other customized charts.

[0053] 4) Based on the data processing results, expert opinions are given according to the expert database and displayed.

[0054] Embodiment 2

[0055] The water resources monitoring system for a thermal power plant of the present invention comprises:

[0056] Data perception layer, used to obtain relevant data information on water resources in thermal power plants;

[0057] The data processing layer is used to process the data information related to the acquisition of water resources of the thermal power plant to obtain data processing results;

[0058] The application decision layer is used to give expert processing opinions according to the data processing results and the expert database, and to control the water resources of the thermal power plant according to the expert processing opinions.

[0059] The water resources monitoring system for thermal power plants of the present invention is further improved in that:

[0060] The data information related to the water resources of the thermal power plant includes flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and water treatment equipment operation status signal related to the water resources of the thermal power plant.

[0061] The data processing of the relevant data information of obtaining water resources of the thermal power plant includes gate flow calculation, flow meter calibration, water management index calculation, operation evaluation index calculation, agent usage calculation, agent cost calculation, electricity consumption calculation, electricity cost calculation and water extraction cost calculation.

[0062] Furthermore, it also includes:

[0063] The result display layer is used to display the results of data processing in the form of charts.

[0064] Furthermore, the data processing layer and the data perception layer are connected via an Internet of Things data transmission protocol.

[0065] Furthermore, the IoT data transmission protocols include but are not limited to: Modbus, OPC-UA, OPC-DA, LoRa, ZigBee and Bluetooth.

[0066] The division of modules in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional module in each embodiment of the present application may be integrated into a processor, or may exist physically separately, or two or more modules may be integrated into one module. The above-mentioned integrated modules may be implemented in the form of hardware or in the form of software functional modules.

[0067] Embodiment 3

[0068] A computer device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the thermal power plant water resources supervision method are implemented, for example, including: obtaining relevant data information of the thermal power plant water resources; performing data processing on the obtained data information of the thermal power plant water resources to obtain data processing results; giving expert processing opinions according to the data processing results and according to the expert database, and managing the thermal power plant water resources according to the expert processing opinions. The relevant data information of the thermal power plant water resources includes flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and water treatment equipment operation status signal related to the thermal power plant water resources; the data processing of the obtained data information of the thermal power plant water resources includes gate flow calculation, flow meter calibration, water management index calculation, operation evaluation index calculation, agent dosage calculation, agent cost calculation, power consumption calculation, power cost calculation and water extraction cost calculation. The memory may include a memory, such as a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk memory, etc. The processor, network interface, and memory are interconnected through an internal bus, and the internal bus may be an industrial standard architecture bus, a peripheral component interconnection standard bus, an extended industrial standard architecture bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc. The memory is used to store programs. Specifically, the program may include a program code, and the program code includes computer operation instructions. The memory may include a memory and a non-volatile memory, and provide instructions and data to the processor.

[0069] Embodiment 4

[0070] A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the thermal power plant water resources supervision method are implemented, for example, including: obtaining relevant data information of the thermal power plant water resources; performing data processing on the obtained data information of the thermal power plant water resources to obtain data processing results; according to the data processing results, giving expert processing opinions according to the expert database, and controlling the thermal power plant water resources according to the expert processing opinions. The relevant data information of the thermal power plant water resources includes flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and water treatment equipment operation status signal related to the thermal power plant water resources; the data processing of the obtained data information of the thermal power plant water resources includes gate flow calculation, flow meter calibration, water management index calculation, operation evaluation index calculation, agent dosage calculation, agent cost calculation, power consumption calculation, electricity cost calculation and water extraction cost calculation. Specifically, the computer-readable storage medium includes, but is not limited to, for example, volatile memory and / or non-volatile memory. The volatile memory may include a random access memory (RAM) and / or a cache memory (cache), etc. The non-volatile memory may include a read-only memory (ROM), a hard disk, a flash memory, an optical disk, a magnetic disk, etc.

[0071] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that include computer-usable program code.

[0072] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0073] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0074] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0075] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and disclosure of the invention. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed by the present invention. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0076] It should be understood that the present invention is not limited to the exact construction that has been described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

[0077] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent structural change made to the above embodiment based on the technical essence of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A method for monitoring water resources in a thermal power plant, characterized in that: include: Obtain relevant data and information on water resources in thermal power plants; Processing the data information related to the water resources of the thermal power plant to obtain a data processing result; According to the data processing results, expert processing opinions are given according to the expert database, and the water resources of the thermal power plant are controlled according to the expert processing opinions.

2. The method for monitoring water resources in a thermal power plant according to claim 1, characterized in that: The data information related to the water resources of the thermal power plant includes flow, water quality, water temperature, steam flow, flue gas flow, flue gas temperature, flue gas pressure, unit load and water treatment equipment operation status signal related to the water resources of the thermal power plant.

3. The method for monitoring water resources in a thermal power plant according to claim 1, characterized in that: The data processing of the relevant data information of obtaining water resources of the thermal power plant includes gate flow calculation, flow meter calibration, water management index calculation, operation evaluation index calculation, agent usage calculation, agent cost calculation, electricity consumption calculation, electricity cost calculation and water extraction cost calculation.

4. The method for monitoring water resources in a thermal power plant according to claim 1, characterized in that: Also includes: The results of data processing are presented in the form of graphs.

5. A water resources monitoring system for a thermal power plant, characterized in that: include: Data perception layer, used to obtain relevant data information on water resources in thermal power plants; The data processing layer is used to process the data information related to the acquisition of water resources of the thermal power plant to obtain data processing results; The application decision layer is used to give expert processing opinions according to the data processing results and the expert database, and to control the water resources of the thermal power plant according to the expert processing opinions.

6. The water resource monitoring system for a thermal power plant according to claim 5, characterized in that: Also includes: The result display layer is used to display the results of data processing in the form of charts.

7. The water resource monitoring system for a thermal power plant according to claim 5, characterized in that: The data processing layer and the data perception layer are connected via an Internet of Things data transmission protocol.

8. The water resource monitoring system for a thermal power plant according to claim 5, characterized in that: The IoT data transmission protocols include but are not limited to: Modbus, OPC-UA, OPC-DA, LoRa, ZigBee and Bluetooth.

9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the method for water resources supervision in a thermal power plant as described in any one of claims 1 to 4 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the method for water resources supervision in a thermal power plant as described in any one of claims 1 to 4 are implemented.

Images