CN117427781A - Method, device, equipment and medium for monitoring impeller wear of flotation equipment in real time - Google Patents

Method, device, equipment and medium for monitoring impeller wear of flotation equipment in real time Download PDF

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Publication number
CN117427781A
CN117427781A CN202311758609.0A CN202311758609A CN117427781A CN 117427781 A CN117427781 A CN 117427781A CN 202311758609 A CN202311758609 A CN 202311758609A CN 117427781 A CN117427781 A CN 117427781A
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China
Prior art keywords
time
real
impeller
current
monitoring
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CN202311758609.0A
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Inventor
周锋
张强
苏金鹏
冯龙
田莹
范春永
董祥伟
栾亨宣
顾颉颖
张润鑫
刘伟
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN202311758609.0A priority Critical patent/CN117427781A/en
Publication of CN117427781A publication Critical patent/CN117427781A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/16—Flotation machines with impellers; Subaeration machines

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a method, a device, equipment and a medium for monitoring impeller wear of flotation equipment in real time, which relate to the technical field of flotation equipment; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced. The main scheme is as follows: monitoring the current variation of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of the measuring points on the impeller are collected in real time; and calculating the wear rate of each measuring point according to the real-time working parameters and the original working parameters. The method is used for real-time monitoring of impeller wear.

Description

Method, device, equipment and medium for monitoring impeller wear of flotation equipment in real time
Technical Field
The invention relates to the technical field of flotation equipment, in particular to a method, a device, equipment and a medium for monitoring impeller wear of flotation equipment in real time.
Background
Flotation is a common method in mineral processing, flotation equipment has wide application in industries such as mining, metallurgy and the like, and the working efficiency of the flotation equipment is closely related to the performance of an impeller. An impeller, which generally refers to a wheel-like mechanical part on which a plurality of blades are mounted, is mainly used for transferring or converting energy, is commonly found in various fluid machines such as fans, water pumps, turbines, flotation devices and jet engines, and is designed such that the impeller can be driven by a fluid or rotated using it to propel the fluid. The impeller is easy to wear in long-term use, and the serious wear can affect the efficiency and the safety of equipment. Therefore, an impeller wear monitoring method becomes an urgent problem to be solved in the industry.
In the prior art, the method for monitoring the abrasion of the impeller comprises the following steps: and (5) manually stopping the machine periodically to check the abrasion condition of the impeller.
The impeller wear monitoring method not only affects the production efficiency, but also is time-consuming and labor-consuming; but also may present a risk of equipment damage because problems cannot be found in time.
Disclosure of Invention
The invention provides a method, a device, equipment and a medium for monitoring impeller wear of flotation equipment in real time, which comprise the following steps: monitoring the current variation of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of the measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring device disclosed by the invention has the advantages that frequent shutdown and inspection are not needed, the production efficiency is improved, and the trouble and the labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention provides a method for monitoring impeller wear of flotation equipment in real time, which comprises the following steps:
monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t -I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
When the current at one or more measurement points becomes small, i.e. ΔI t When the working parameter P is larger than 0, collecting the working parameter P of the measuring point on the impeller in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
According to the real-time working parameter and the original working parameter, calculating the wear rate W of each measuring point t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
Further, the method for monitoring the impeller wear of the flotation equipment in real time further comprises the following steps of calculating the wear rate of each measuring point according to the real-time working parameter and the original working parameter:
and when the wear rate is greater than or equal to a preset threshold value, automatically sending out an alarm signal.
Further, the method for monitoring the impeller wear of the flotation equipment in real time comprises the following steps of:
the number of measuring points is more than 3.
Further, the method for monitoring the impeller abrasion of the flotation equipment in real time comprises the following working parameters:
the operating parameters include, but are not limited to, rotational speed, vibration frequency, and temperature.
Further, the method for monitoring the impeller wear of the flotation equipment in real time further comprises the following steps of when the wear rate is greater than or equal to a preset threshold value, automatically sending out an alarm signal:
establishing a current change ΔI t And wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Indicating the amount of current change.
The second aspect of the invention provides a device for monitoring the impeller wear of flotation equipment in real time, which comprises:
the monitoring unit is used for monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t −I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
An acquisition unit for, when the current at one or more of the measurement points becomes small, ΔI t When the working parameter P is larger than 0, collecting the working parameter P of the measuring point on the impeller in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
Calculation unitFor calculating the wear rate W of each measuring point according to the real-time working parameter and the original working parameter t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
Further, flotation equipment impeller wearing and tearing real-time supervision device, still include:
and the alarm unit is used for automatically sending out an alarm signal when the wear rate is greater than or equal to a preset threshold value.
Further, flotation equipment impeller wearing and tearing real-time supervision device, still include:
a setting unit for setting the current variation delta I t And wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Indicating the amount of current change.
A third aspect of the invention provides an electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method as described above when executing the computer program.
A fourth aspect of the invention provides a computer readable storage medium storing a computer program which when executed by a processor performs the steps of a method as described above.
The invention provides a method, a device, equipment and a medium for monitoring impeller wear of flotation equipment in real time, which comprise the following steps: monitoring the current variation of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of the measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring device disclosed by the invention has the advantages that frequent shutdown and inspection are not needed, the production efficiency is improved, and the trouble and the labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are used in the description of the embodiments will be briefly described below, which are only for the purpose of illustrating the embodiments and are not to be construed as limiting the present invention.
Fig. 1 is a flow chart of a method for monitoring impeller wear of flotation equipment in real time in an embodiment of the invention.
Fig. 2 is a flow chart of another method for monitoring impeller wear of flotation equipment in real time according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a real-time monitoring device for impeller wear of flotation equipment according to an embodiment of the invention.
Fig. 4 is a schematic diagram of the composition and structure of another device for monitoring the impeller wear of flotation equipment in real time according to the embodiment of the invention.
Fig. 5 is a schematic diagram of a composition structure of an electronic device for monitoring impeller wear of a flotation device in real time according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention and the terms "comprising" and "having" and any variations thereof, as described in the specification and claims of the invention and the above description of the drawings, are intended to cover a non-exclusive inclusion.
In the description of embodiments of the present invention, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more unless explicitly defined otherwise.
In the description of the embodiments of the present invention, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present invention, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).
In the description of the embodiments of the present invention, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present invention.
In the description of the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the examples of the present invention will be understood by those skilled in the art according to the specific circumstances.
Embodiment 1 of the present invention provides a method for monitoring impeller wear of a flotation device in real time, as shown in fig. 1, including:
101. monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t -I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
Where measurement points generally refer to specific locations on the impeller or any mechanical component selected for monitoring or collecting data. In this embodiment, the measuring points are located at different parts of the impeller, such as the positions where the blades, the hub or the bearings are easily worn.
Since the mass will be smaller after the impeller wears, and correspondingly the current will be reduced, the wear of the impeller will be indicated when the current at each measuring point on the impeller is reduced. And installing a current sensor at each measuring point, and collecting current information of each measuring point.
What needs to be explained here is: the specific model of the current sensor is not limited in this embodiment, and the practitioner may choose according to the specific situation when implementing the current sensor.
102. When the current at one or more measurement points becomes small, i.e. ΔI t When the working parameter P is larger than 0, the working parameter P of the measuring point on the impeller is collected in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
The working parameters comprise, but are not limited to, rotating speed, vibration frequency and temperature, and correspondingly, each measuring point is provided with a rotating speed sensor, a vibration sensor and a temperature sensor to collect the working parameters of the measuring points on the impeller in real time.
What needs to be explained here is: the specific model numbers of the rotation speed sensor, the vibration sensor, the temperature sensor and the like are not limited, and an implementer can determine according to actual requirements during implementation.
103. According to the real-time working parameter and the original working parameter, calculating the wear rate W of each measuring point t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
The real-time working parameters are obtained by measuring and calculating the sensors arranged at all measuring points, and the original working parameters are rated working parameters when the impeller works normally.
The embodiment of the invention provides a method for monitoring impeller wear of flotation equipment in real time, which comprises the following steps: monitoring the current variation of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of the measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring method and the device have the advantages that the real-time monitoring is achieved, frequent shutdown checking is not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
Embodiment 2 of the present invention provides a method for monitoring impeller wear of a flotation device in real time, as shown in fig. 2, including:
201. monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t -I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
The number of the measuring points is greater than 3, and each measuring point is positioned at different thickness positions of the impeller, so that the abrasion condition of the impeller can be comprehensively monitored.
202. When the current at one or more measurement points becomes small, i.e. ΔI t When the working parameter P is larger than 0, the working parameter P of the measuring point on the impeller is collected in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
And each measuring point is provided with a current sensor, a rotating speed sensor, a vibration sensor and a temperature sensor, and the current sensor, the rotating speed sensor, the vibration frequency and the temperature of each measuring point are monitored.
203. According to the real-time working parameter and the original working parameter, calculating the wear rate W of each measuring point t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
204. And when the wear rate is greater than or equal to a preset threshold value, automatically sending out an alarm signal.
For example: the wear rate of the measuring point 1 is 10%, the wear rate of the measuring point 2 is 15%, the wear rate of the measuring point 3 is 25%, and the preset threshold value is 20% through calculation, and the wear rate of the measuring point 3 is larger than the preset threshold value, so that an alarm signal is automatically sent out.
205. Establishing a current variation delta I t And wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Indicating the amount of current change.
Wherein, the current variation delta I is established t And wear rate W t The associated model can be used for measuring and calculating the current variation between the time t and the time t-1ΔI t Obtaining the wear rate W t 。
What needs to be explained here is: the detailed description of each step in this embodiment may be correspondingly referred to other embodiments, and will not be repeated herein.
The embodiment of the invention provides a method for monitoring impeller wear of flotation equipment in real time, which comprises the following steps: monitoring the current variation of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of the measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring method and the device have the advantages that the real-time monitoring is achieved, frequent shutdown checking is not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
In addition, when the abrasion rate is greater than or equal to a preset threshold value, the embodiment of the invention automatically sends out an alarm signal, so that potential safety hazards caused by impeller abrasion are avoided.
Finally, the embodiment of the invention establishes a model of the relation between the current variation and the wear rate, and can acquire the wear rate through the current variation, thereby being capable of acquiring the wear rate more conveniently.
Embodiment 3 the embodiment of the invention provides a device for monitoring the abrasion of an impeller of flotation equipment in real time, as shown in fig. 3, comprising:
a monitoring unit 31 for monitoring the current variation ΔI of each measuring point on the impeller in real time t ：
ΔI t =I t −I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
An acquisition unit 32 for, when the current at one or more measurement points becomes small, ΔI t When the working parameter P is larger than 0, the working parameter P of the measuring point on the impeller is collected in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Is shown at the momentt real-time working parameters, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
A calculating unit 33 for calculating the wear rate W of each measuring point according to the real-time working parameter and the original working parameter t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
What needs to be explained here is: the detailed description of each component of this embodiment may be correspondingly referred to other embodiments, and will not be repeated herein.
The embodiment of the invention provides a device for monitoring impeller wear of flotation equipment in real time, which comprises the following components: the monitoring unit is used for monitoring the impeller wear of each flotation device on the impeller in real time and monitoring the current variation of the measuring point in real time; the acquisition unit is used for acquiring working parameters of the measuring points on the impeller in real time when the current of one or more measuring points becomes smaller; the calculation unit is used for calculating the wear rate of each measuring point according to the real-time working parameters and the original working parameters, and compared with the prior art, the real-time monitoring device disclosed by the embodiment of the invention has the advantages that frequent shutdown and inspection are not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
Embodiment 4 of the present invention provides a device for monitoring impeller wear of a flotation device in real time, as shown in fig. 4, including:
a monitoring unit 41 for monitoring the current variation ΔI of each measuring point on the impeller in real time t ：
ΔI t =I t −I (t−1)； Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Indicating the current reading at time t-1.
Acquisition unit 42 for, when the current at one or more measurement points becomes small, ΔI t When the working parameter P is larger than 0, the working parameter P of the measuring point on the impeller is collected in real time t ：
P t =α×N t +β×L t +γ×T t； Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t The rotation speed, vibration frequency, and temperature are represented, respectively, and α, β, and γ represent constants related to the characteristics of the device.
A calculating unit 43 for calculating the wear rate W of each measuring point according to the real-time working parameter and the original working parameter t ：
W t =(1−P t ×P 0 ) X 100%; in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
And an alarm unit 44, configured to automatically send an alarm signal when the wear rate is greater than or equal to a preset threshold.
A setting unit 45 for setting the current variation ΔI t And the wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Indicating the amount of current change.
What needs to be explained here is: the detailed description of each component of this embodiment may be correspondingly referred to other embodiments, and will not be repeated herein.
The embodiment of the invention provides a device for monitoring impeller wear of flotation equipment in real time, which comprises the following components: the monitoring unit is used for monitoring the impeller wear of each flotation device on the impeller in real time and monitoring the current variation of the measuring point in real time; the collecting unit is used for collecting working parameters of each measuring point on the impeller in real time when the current of one or more measuring points becomes smaller; the calculation unit is used for calculating the wear rate of each measuring point according to the real-time working parameters and the original working parameters, and compared with the prior art, the real-time monitoring device disclosed by the embodiment of the invention has the advantages that frequent shutdown and inspection are not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
In addition, the alarm unit is used for automatically sending out an alarm signal when the abrasion rate is greater than or equal to a preset threshold value, so that potential safety hazards caused by impeller abrasion are avoided.
Finally, the establishing unit establishes a model related to the current variation and the wear rate, and can acquire the wear rate through the current variation, so that the wear rate can be acquired more conveniently.
Embodiment 5 of the present invention provides an electronic device for monitoring wear of an impeller of a flotation device in real time, as shown in fig. 5, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor implements the steps of the method for monitoring wear of an impeller of a flotation device in real time when executing the computer program.
A processing device (e.g., a central processing unit, a graphics processor, etc.) 51 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 52 or a program loaded from a storage device 58 into a Random Access Memory (RAM) 53. In the RAM 53, various programs and data required for the operation of the electronic apparatus are also stored. The processing device 51, the ROM 52, and the RAM 53 are connected to each other via a bus 54. An input/output (I/O) interface 55 is also connected to bus 54.
In general, the following devices may be connected to the I/O interface 55: input devices 56 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 57 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage devices 58 including, for example, magnetic tape, hard disk, etc.; and a communication device 59. The communication means 59 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. While fig. 5 shows an electronic device having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead. Each block shown in fig. 5 may represent one device or a plurality of devices as needed.
In particular, according to some embodiments of the invention, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, some embodiments of the invention include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart. In such embodiments, the computer program may be downloaded and installed from a network via communications device 59, or from storage device 58, or from ROM 52. The above-described functions defined in the methods of some embodiments of the present invention are performed when the computer program is executed by the processing means 51.
The embodiment of the invention provides an electronic device for monitoring impeller wear of flotation equipment in real time, which comprises: monitoring the current change of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of all measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring method and the device have the advantages that the real-time monitoring is achieved, frequent shutdown checking is not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
In addition, when the abrasion rate is greater than or equal to a preset threshold value, the embodiment of the invention automatically sends out an alarm signal, so that potential safety hazards caused by impeller abrasion are avoided.
Finally, the embodiment of the invention establishes a model of the relation between the current variation and the wear rate, and can acquire the wear rate through the current variation, thereby being capable of acquiring the wear rate more conveniently.
Example 6:
the embodiment of the invention provides a computer readable storage medium for monitoring the impeller wear of flotation equipment in real time, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by one or more processors, the steps of the method for monitoring the impeller wear of flotation equipment in real time are realized.
It should be noted that, the computer readable medium according to some embodiments of the present invention may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the invention, however, the computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
In some implementations, the clients, servers may communicate using any currently known or future developed network protocol, such as HTTP (HyperText Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the internet (e.g., the internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed networks.
The computer readable medium may be embodied in the apparatus; or may exist alone without being incorporated into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: monitoring the current variation of each measuring point on the impeller in real time; when the current of each measuring point becomes smaller, working parameters of the measuring points on the impeller are collected in real time; and calculating the wear rate of each measuring point according to the real-time working parameters and the original working parameters.
Computer program code for carrying out operations for some embodiments of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The embodiment of the invention provides a computer readable storage medium for monitoring impeller wear of flotation equipment in real time, which comprises the following components: monitoring the current change of each measuring point on the impeller in real time; when the current of one or more measuring points becomes smaller, working parameters of all measuring points on the impeller are collected in real time; according to the real-time working parameters and the original working parameters, the wear rate of each measuring point is calculated, and compared with the prior art, the real-time monitoring method and the device have the advantages that the real-time monitoring is achieved, frequent shutdown checking is not needed, the production efficiency is improved, and trouble and labor are saved; problems can be found in time, and the risk of equipment damage is eliminated; the service life of the equipment is prolonged, and the maintenance cost is reduced.
In addition, when the abrasion rate is greater than or equal to a preset threshold value, the embodiment of the invention automatically sends out an alarm signal, so that potential safety hazards caused by impeller abrasion are avoided.
Finally, the embodiment of the invention establishes a model of the relation between the current variation and the wear rate, and can acquire the wear rate through the current variation, thereby being capable of acquiring the wear rate more conveniently.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limited thereto; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The method for monitoring the impeller wear of the flotation equipment in real time is characterized by comprising the following steps of:
monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t -I (t−1)
Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) Current at time t-1Reading;
when the current at one or more of the measurement points becomes small, i.e. ΔI t When the working parameter P is larger than 0, collecting the working parameter P of the measuring point on the impeller in real time t ：
P t =α×N t +β×L t +γ×T t
Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t Respectively, the rotation speed, the vibration frequency and the temperature, and α, β and γ represent constants related to the characteristics of the apparatus;
according to the real-time working parameters and the original working parameters, calculating the wear rate Wt of each measuring point:
W t =(1−P t ×P 0 )×100%
in which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
2. The method according to claim 1, wherein after calculating the wear rate of each measurement point according to the real-time operation parameter and the original operation parameter, further comprising:
and when the wear rate is greater than or equal to a preset threshold value, automatically sending out an alarm signal.
3. The method for monitoring the impeller wear of a flotation device in real time according to claim 1, wherein the measuring points comprise:
the number of the measuring points is more than 3.
4. The method for monitoring the impeller wear of a flotation device in real time according to claim 1, wherein the operating parameters include:
the operating parameters include, but are not limited to, the rotational speed, the vibration frequency, and the temperature.
5. The method according to claim 2, characterized in that after automatically sending out an alarm signal when the wear rate is greater than or equal to a preset threshold value, it further comprises:
establishing the current variation delta I t And the wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 )
wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Representing the amount of current change.
6. The utility model provides a flotation equipment impeller wearing and tearing real-time supervision device which characterized in that includes:
the monitoring unit is used for monitoring the current variation delta I of each measuring point on the impeller in real time t ：
ΔI t =I t −I (t−1)
Wherein DeltaI t Indicating the current variation between time t and time t-1, I t Indicating the current reading at time t, I (t−1) A current reading representing time t-1;
an acquisition unit for, when the current at one or more of the measurement points becomes small, ΔI t When the working parameter P is larger than 0, collecting the working parameter P of the measuring point on the impeller in real time t ：
P t =α×N t +β×L t +γ×T t
Wherein P is t Representing the real-time operating parameter at time t, N t 、L t 、T t Respectively, the rotation speed, the vibration frequency and the temperature, and α, β and γ represent constants related to the characteristics of the apparatus;
a calculation unit for calculating the wear rate W of each measurement point according to the real-time working parameter and the original working parameter t ：
W t =(1−P t ×P 0 )×100%
In which W is t Represents the wear rate at time t, P t And P 0 Respectively representing the real-time operating parameters and the original operating parameters.
7. The apparatus of claim 6, further comprising:
and the alarm unit is used for automatically sending out an alarm signal when the wear rate is greater than or equal to a preset threshold value.
8. The apparatus of claim 6, further comprising:
a setting unit for setting the current variation delta I t And the wear rate W t An associated model:
W t =κ×(ΔI t ×I 0 )
wherein kappa represents a scaling factor, I 0 Represents an initial current value, W t Indicating the wear rate at time t, ΔI t Representing the amount of current change.
9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 5 when the computer program is executed.
10. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 5.
CN202311758609.0A 2023-12-20 2023-12-20 Method, device, equipment and medium for monitoring impeller wear of flotation equipment in real time Withdrawn CN117427781A (en)

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Application Number Priority Date Filing Date Title
CN202311758609.0A CN117427781A (en) 2023-12-20 2023-12-20 Method, device, equipment and medium for monitoring impeller wear of flotation equipment in real time

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CN117427781A true CN117427781A (en) 2024-01-23

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