Industrial circulating water scaling early warning device, method, equipment and medium

Abstract

The invention discloses an industrial circulating water scaling early warning device, method and equipment and a medium. The industrial circulating water scaling early warning device comprises a circulating water incoming pipeline, a circulating water sampling manual valve, a circulating water sampling flow adjusting electric valve, a circulating water sampling flowmeter, a circulating water inlet thermometer, an oil bath pan, a circulating water outlet thermometer, a circulating water sampling blow-down valve and a drainage position. A circulating water inlet pipeline is communicated with an inlet of the oil bath pan through a circulating water sampling manual valve, a circulating water sampling flow adjusting electric valve and a circulating water inlet thermometer in sequence, and an outlet of the oil bath pan is communicated with a drainage position through a circulating water outlet thermometer and a circulating water sampling blow-down valve in sequence. According to the device, the method, the equipment and the medium, the fouling thermal resistance can be calculated on line, and the data reliability is high.

Description

Technical Field

[0001] The invention belongs to the technical field of scaling monitoring in industrial circulating water, and relates to an industrial circulating water scaling early warning device, method, equipment and medium. Background Art

[0002] At present, the operation and management of most industrial circulating water systems are very extensive. Currently, circulating water is measured through water quality monitoring methods to determine whether scaling occurs. However, water quality measurement basically relies on manual measurement. Due to the long intervals between manual sampling and the easy introduction of measurement errors, the risk of scaling in the circulating water system increases, causing economic losses.

[0003] Due to changes in unit load, external temperature and atmospheric humidity, the industrial circulating water system will be affected.

[0004] Operating data, directly using the online data of the circulating water system to calculate the fouling thermal resistance will result in large fluctuations and poor data reliability, posing a safety hazard. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide an industrial circulating water scaling early warning device, method, equipment and medium, which can calculate the fouling thermal resistance online and have high data reliability.

[0006] To achieve the above-mentioned purpose, the present invention discloses an industrial circulating water scaling early warning device, comprising a circulating water inlet pipeline, a circulating water sampling manual valve, a circulating water sampling flow regulating electric valve, a circulating water sampling flow meter, a circulating water inlet thermometer, an oil bath pot, a circulating water outlet thermometer, a circulating water sampling drain valve and a drainage place;

[0007] The circulating water pipeline is connected to the inlet of the oil bath pot via the circulating water sampling manual valve, the circulating water sampling flow adjustment electric valve and the circulating water inlet thermometer in sequence, and the outlet of the oil bath pot is connected to the drain via the circulating water outlet thermometer and the circulating water sampling drain valve in sequence.

[0008] The further improvement of the industrial circulating water scaling early warning device of the present invention is:

[0009] Furthermore, it also includes a PLC controller, which is connected to the circulating water sampling flow regulating electric valve, the circulating water sampling flow meter, the circulating water inlet thermometer, the oil bath pot and the circulating water outlet thermometer.

[0010] Furthermore, it also includes a touch display screen, and the PLC controller is connected to the touch display screen.

[0011] The present invention discloses an industrial circulating water scaling early warning method, comprising:

[0012] Obtaining the flow information of circulating water detected by the circulating water sampling flow meter;

[0013] Obtain the temperature information of circulating water detected by the circulating water inlet thermometer;

[0014] Obtain the temperature information of circulating water return water detected by the circulating water outlet thermometer;

[0015] According to the flow information G of circulating water and the temperature information t′ of circulating water 进 And the temperature information of circulating water return water t′ 出 Determine the thermal resistance value r of the dirt;

[0016] When the dirt thermal resistance value r is greater than or equal to the preset alarm value R, an alarm signal is generated.

[0017] The further improvement of the industrial circulating water scaling early warning method of the present invention is:

[0018] Furthermore, it also includes:

[0019] The opening of the circulating water sampling flow regulating electric valve is controlled according to the circulating water flow information, so that the flow measured by the circulating water sampling flow meter is within a preset range.

[0020] Furthermore, the thermal resistance value r of dirt is:

[0021]

[0022] Among them, d i is the inner diameter of the test tube, l is the effective heat exchange length, and T is the heating temperature of the oil bath.

[0023] Furthermore, it also includes a PLC controller, which is connected to the circulating water sampling flow regulating electric valve, the circulating water sampling flow meter, the circulating water inlet thermometer, the oil bath pot and the circulating water outlet thermometer.

[0024] Furthermore, it also includes a touch display screen, and the PLC controller is connected to the touch display screen.

[0025] The present invention discloses a computer device, comprising 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 industrial circulating water scaling early warning method are implemented.

[0026] The present invention discloses 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 industrial circulating water scaling early warning method are implemented.

[0027] The present invention has the following beneficial effects:

[0028] During the specific operation of the industrial circulating water scaling early warning device and method described in the present invention, the circulating water enters the oil bath pot through the circulating water sampling manual valve, the circulating water sampling flow regulating electric valve, the circulating water sampling flow meter and the circulating water inlet thermometer in sequence, and the water output from the oil bath pot enters the drainage through the circulating water outlet thermometer and the circulating water sampling drain valve. According to the circulating water flow information G and the circulating water temperature information t′ 进 And the temperature information of circulating water return water t′ 出 Determine the thermal resistance value r of the dirt to determine whether to issue an early warning. The invention is used to dynamically simulate the operating status of the actual circulating water system, calculate the thermal resistance value of the dirt in the circulating water system in real time, and prompt a circulating water scaling early warning. Without the need for manual measurement, the thermal resistance value of the dirt in the circulating water is continuously monitored, thereby improving the safety and economy of the operation of industrial circulating water.

[0029] Furthermore, the opening of the circulating water sampling flow regulating electric valve is controlled according to the flow information of the circulating water, so that the flow measured by the circulating water sampling flow meter is within a preset range, thereby realizing automatic control of the circulating water sampling flow regulating electric valve, and then realizing automatic control of the circulating water inlet flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] 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:

[0031] Figure 1 The structural diagram of the present invention

[0032] Among them, 1 is a PLC controller, 2 is a touch display screen, 3 is a circulating water sampling manual valve, 4 is a circulating water sampling flow adjustment electric valve, 5 is a circulating water sampling flow meter, 6 is a circulating water inlet thermometer, 7 is an oil bath pot, 8 is a circulating water outlet thermometer, 9 is a circulating water sampling drain valve, and 10 is a drainage point. DETAILED DESCRIPTION

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] 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.

[0041] Embodiment 1

[0042] refer to Figure 1 The industrial circulating water scaling early warning device of the present invention comprises a PLC controller 1, a touch screen 2, a circulating water sampling manual valve 3, a circulating water sampling flow regulating electric valve 4, a circulating water sampling flow meter 5, a circulating water inlet thermometer 6, an oil bath pot 7, a circulating water outlet thermometer 8, a circulating water sampling drain valve 9 and a drain 10;

[0043] The circulating water pipeline is connected to the inlet of the oil bath pot 7 through the circulating water sampling manual valve 3, the circulating water sampling flow adjustment electric valve 4 and the circulating water inlet thermometer 6 in sequence, and the outlet of the oil bath pot 7 is connected to the drain 10 through the circulating water outlet thermometer 8 and the circulating water sampling drain valve 9 in sequence.

[0044] The PLC controller 1 is connected to the touch display screen 2, the circulating water sampling flow regulating electric valve 4, the circulating water sampling flow meter 5, the circulating water inlet thermometer 6, the oil bath pot 7 and the circulating water outlet thermometer 8.

[0045] Embodiment 2

[0046] Accordingly, the industrial circulating water scaling early warning method of the present invention comprises the following steps:

[0047] The circulating water enters the oil bath 7 through the circulating water sampling manual valve 3, the circulating water sampling flow regulating electric valve 4, the circulating water sampling flow meter 5 and the circulating water inlet thermometer 6 in turn, and the water output from the oil bath 7 enters the drain 10 through the circulating water outlet thermometer 8 and the circulating water sampling drain valve 9.

[0048] In this process, the flow information of circulating water is collected through the circulating water sampling flow meter 5, the temperature information of circulating water is collected through the circulating water inlet thermometer 6, and the temperature information of circulating water return water is detected through the circulating water outlet thermometer 8;

[0049] Control the circulating water sampling flow regulating electric valve 4 according to the circulating water flow information collected by the circulating water sampling flow meter 5, so that the flow measured by the circulating water sampling flow meter 5 is within a preset range;

[0050] According to the flow information G of circulating water and the temperature information t′ of circulating water 进 And the temperature information of circulating water return water t′ 出 Determine the dirt thermal resistance value r, wherein the dirt thermal resistance value r is:

[0051]

[0052] Among them, d i is the inner diameter of the test tube, in meters (m), and is 0.008 mm for this device; l is the effective heat exchange length, in meters (m), and is 4 m for this device; T is the heating temperature of the oil bath pot 7, in degrees Celsius (°C).

[0053] When the fouling thermal resistance value r is greater than or equal to the preset alarm value R, the touch display screen 2 is controlled to give an audible and visual alarm to prompt the scaling of the circulating water system, thereby meeting the real-time monitoring requirements of the fouling thermal resistance of industrial circulating water.

[0054] It should be noted that the present invention adopts online testing. Under the condition of normal operation of circulating water, there is no need for manual intervention. The sampling flow and heating temperature of the automatic control device can realize real-time calculation of the fouling thermal resistance value of the circulating water system, and automatically compare it with the fouling thermal resistance alarm value to prompt whether scaling occurs in the circulating water system, which is beneficial to the normal operation of the circulating water system.

[0055] Embodiment 3

[0056] The industrial circulating water scaling early warning system of the present invention comprises:

[0057] A first acquisition module is used to acquire the flow information of circulating water detected by a circulating water sampling flow meter;

[0058] The second acquisition module is used to obtain the temperature information of the circulating water detected by the circulating water inlet thermometer;

[0059] The third acquisition module is used to obtain the temperature information of the circulating water return water detected by the circulating water outlet thermometer;

[0060] The determination module is used to determine the flow information G of the circulating water and the temperature information t′ of the circulating water. 进 And the temperature information of circulating water return water t′ 出 Determine the thermal resistance value r of the dirt;

[0061] The judgment module is used to generate an alarm signal when the dirt thermal resistance value r is greater than or equal to a preset alarm value R.

[0062] As an embodiment of the present invention, it also includes:

[0063] The opening of the circulating water sampling flow regulating electric valve is controlled according to the circulating water flow information, so that the flow measured by the circulating water sampling flow meter is within a preset range.

[0064] As an embodiment of the present invention, the dirt thermal resistance value r is:

[0065]

[0066] Among them, d i is the inner diameter of the test tube, l is the effective heat exchange length, and T is the heating temperature of the oil bath.

[0067] Furthermore, it also includes a PLC controller, which is connected to the circulating water sampling flow regulating electric valve, the circulating water sampling flow meter, the circulating water inlet thermometer, the oil bath pot and the circulating water outlet thermometer.

[0068] Embodiment 4

[0069] A computer device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the industrial circulating water scaling early warning method, for example, including: obtaining the flow information of circulating water detected by a circulating water sampling flow meter 5; obtaining the temperature information of circulating incoming water detected by a circulating water inlet thermometer 6; obtaining the temperature information of circulating water return water detected by a circulating water outlet thermometer 8; obtaining the flow information G of the circulating water, the temperature information t′ of the circulating incoming water, and the temperature information t′ of the circulating water. 进 And the temperature information of circulating water return water t′ 出Determine the dirt thermal resistance value r; when the dirt thermal resistance value r is greater than or equal to the preset alarm value R, an alarm signal is generated, and the opening of the circulating water sampling flow regulating electric valve 4 is controlled according to the circulating water flow information, so that the flow measured by the circulating water sampling flow meter 5 is within the preset range. Wherein, 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, the network interface, and the memory are interconnected through an internal bus, and the internal bus can be an industrial standard architecture bus, a peripheral component interconnection standard bus, an extended industrial standard architecture bus, etc. The bus can 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.

[0070] Embodiment 5

[0071] A computer-readable storage medium stores a computer program. When the computer program is executed by a processor, the steps of the industrial circulating water scaling early warning method are implemented, for example, including: obtaining the flow information of circulating water detected by the circulating water sampling flow meter 5; obtaining the temperature information of circulating water detected by the circulating water inlet thermometer 6; obtaining the temperature information of circulating water return water detected by the circulating water outlet thermometer 8; obtaining the flow information G of the circulating water and the temperature information t′ of the circulating water according to the flow information G of the circulating water and the temperature information t′ of the circulating water 进 And the temperature information of circulating water return water t′ 出 Determine the dirt thermal resistance value r; when the dirt thermal resistance value r is greater than or equal to the preset alarm value R, an alarm signal is generated, and the opening of the circulating water sampling flow regulating electric valve 4 is controlled according to the flow information of the circulating water, so that the flow measured by the circulating water sampling flow meter 5 is within the preset range. 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.

[0072] 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.

[0073] 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.

[0074] 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.

[0075] 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.

[0076] 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.

[0077] 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.

[0078] 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. An industrial circulating water scaling early warning device, characterized in that: It comprises a circulating water supply pipeline, a circulating water sampling manual valve (3), a circulating water sampling flow regulating electric valve (4), a circulating water sampling flow meter (5), a circulating water inlet thermometer (6), an oil bath pot (7), a circulating water outlet thermometer (8), a circulating water sampling sewage valve (9) and a drainage place (10); The circulating water supply pipeline is connected to the inlet of the oil bath pot (7) through the circulating water sampling manual valve (3), the circulating water sampling flow regulating electric valve (4) and the circulating water inlet thermometer (6) in sequence, and the outlet of the oil bath pot (7) is connected to the drainage place (10) through the circulating water outlet thermometer (8) and the circulating water sampling sewage valve (9) in sequence.

2. The industrial circulating water scaling early warning device according to claim 1 is characterized in that: It also comprises a PLC controller (1), which is connected to a circulating water sampling flow regulating electric valve (4), a circulating water sampling flow meter (5), a circulating water inlet thermometer (6), an oil bath pot (7) and a circulating water outlet thermometer (8).

3. The industrial circulating water scaling early warning device according to claim 2 is characterized in that: It also includes a touch display screen (2), and the PLC controller (1) is connected to the touch display screen (2).

4. An industrial circulating water scaling early warning method, characterized in that: The industrial circulating water scaling early warning device according to claim 1 comprises: Obtaining the flow information of circulating water detected by a circulating water sampling flow meter (5); Obtaining temperature information of circulating water detected by a circulating water inlet thermometer (6); Obtaining temperature information of circulating water return water detected by a circulating water outlet thermometer (8); According to the flow information G of circulating water and the temperature information t′ of circulating water 进 And the temperature information of circulating water return water t′ 出 Determine the thermal resistance value r of the dirt; When the dirt thermal resistance value r is greater than or equal to the preset alarm value R, an alarm signal is generated.

5. The industrial circulating water scaling early warning method according to claim 4 is characterized in that: Also includes: The opening of the circulating water sampling flow regulating electric valve (4) is controlled according to the circulating water flow information, so that the flow measured by the circulating water sampling flow meter (5) is within a preset range.

6. The industrial circulating water scaling early warning method according to claim 4 is characterized in that: The thermal resistance value r of dirt is: Among them, d i is the inner diameter of the test tube, l is the effective heat exchange length, and T is the heating temperature of the oil bath (7).

7. The industrial circulating water scaling early warning method according to claim 4 is characterized in that: It also comprises a PLC controller (1), which is connected to a circulating water sampling flow regulating electric valve (4), a circulating water sampling flow meter (5), a circulating water inlet thermometer (6), an oil bath pot (7) and a circulating water outlet thermometer (8).

8. The industrial circulating water scaling early warning method according to claim 4 is characterized in that: It also includes a touch display screen (2), and the PLC controller (1) is connected to the touch display screen (2).

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 industrial circulating water scaling early warning method as described in any one of claims 4 to 8 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 industrial circulating water scaling early warning method as described in any one of claims 4 to 8 are implemented.

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