CN111754127A - Real-time digital evaluation method and device for service life of mill lining plate - Google Patents

Real-time digital evaluation method and device for service life of mill lining plate Download PDF

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CN111754127A
CN111754127A CN202010608634.0A CN202010608634A CN111754127A CN 111754127 A CN111754127 A CN 111754127A CN 202010608634 A CN202010608634 A CN 202010608634A CN 111754127 A CN111754127 A CN 111754127A
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任翔
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Suzhou Bo'erte Intelligent Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
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Abstract

The invention relates to a real-time digital evaluation method and a real-time digital evaluation device for service life of a lining plate of a mill. Meanwhile, the historical records of replacement of different mill lining plates and the historical records of corresponding material handling capacity are obtained according to the built relational database, so that the historical statistical service life of the mill lining plates and the historical statistical total material handling capacity are counted, the service life assessment of the mill lining plates is realized through real-time calculation, the next replacement time of the mill lining plates is obtained, the production efficiency is improved, the energy consumption and the cost are reduced, and technical support is provided for digital factories and digital maintenance.

Description

Real-time digital evaluation method and device for service life of mill lining plate
Technical Field
The application relates to a real-time digital evaluation method and device for service life of a lining plate of a mill.
Background
The mill is the key equipment for crushing the materials after the materials are crushed. The mill is widely applied to the production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like. The grinding machine can be divided into the following parts according to different grinding media and grinding materials: autogenous mill, ball mill, semi-autogenous mill, column mill, rod mill, tube mill, vertical mill, multilayer vertical mill, disc mill, DMC mill, etc.
The lining board of the mill is used for protecting the cylinder body, so that the cylinder body is prevented from being directly impacted and abraded by the grinding body and materials. The mill liner belongs to the wearing part, and it is inside the barrel, and is relatively expensive, can't measure under the state of not shutting down. And the shutdown has a great influence on the production.
Replacing the mill liner is one of the most production-affecting factors. The mill welt is changed too early, can cause huge waste and influence production efficiency, changes too late, can cause the barrel wearing and tearing, wears out even, causes major accident. The service life of the lining plate of the mill is mainly related to the material handling capacity except the material, the shape and the like. Currently, the life of a mill liner is generally judged according to historical experience. Due to the characteristic of real-time fluctuation of material processing capacity, the service life of the lining plate of the mill is difficult to be scientifically and reasonably evaluated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the service life of the lining plate of the mill is estimated manually according to historical experience in the prior art, great manual randomness is provided, and scientific and reasonable evaluation on the service life of the lining plate of the mill cannot be achieved.
In order to solve the technical problems, the invention provides a real-time digital evaluation method and a device for the service life of a lining plate of a mill.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a real-time digital evaluation method for service life of a lining plate of a mill, which comprises the following steps:
recording the historical replacement time of the mill lining plate at different parts and the historical service time after each replacement;
dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the last replacement;
according to the historical replacement time and the historical service time, the historical statistical service life and the historical statistical total material handling capacity of the mill lining plates at different parts are counted;
and reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the residual service time of the current to-be-evaluated mill lining plate in real time, so as to determine the next replacement time of the current to-be-evaluated mill lining plate.
The invention provides a device for real-time digital evaluation of service life of a lining plate of a mill, which comprises:
the historical recording module is used for recording the historical replacement time of the mill lining plates at different parts and the historical service time after each replacement;
the dynamic updating module is used for dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the last replacement;
the statistical module is used for counting the historical statistical service life and the historical statistical total material processing capacity of the mill lining plates at different parts according to the historical replacement time and the historical service time;
and the replacement time evaluation module is used for reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the remaining service time of the current to-be-evaluated mill lining plate in real time, so that the next replacement time of the current to-be-evaluated mill lining plate is determined.
The invention has the beneficial effects that: the invention dynamically and digitally evaluates the service life of the lining plate of the mill in real time, changes the original determination of the replacement time of the lining plate of the mill by experience and manual inspection into the dynamic real-time digital evaluation of the replacement time, thereby prolonging the service life of the lining plate of the mill, improving the production efficiency, reducing the energy consumption and the cost, and providing technical support for digital factories and digital maintenance.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a flow chart of a method of an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The present embodiment provides a real-time digital evaluation method for service life of a lining plate of a mill, as shown in fig. 1, including:
s1, recording the historical replacement time of the lining plate of the mill at different parts and the historical service time after each replacement;
s2, dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the latest replacement;
s3, according to the historical replacement time and the historical service time, the historical statistical service life and the historical statistical total material handling capacity of the lining plates of the mills at different parts are counted;
and S4, reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the residual service time of the current to-be-evaluated mill lining plate in real time, so as to determine the next replacement time of the current to-be-evaluated mill lining plate.
For the service life evaluation of the lining plate of the mill, the service life evaluation method firstly records data of parts, models, manufacturers, historical replacement time, historical service time, corresponding material processing amount and the like corresponding to the lining plates of the mill at different parts. According to the historical replacement time of the mill lining plate at each different part, the historical service time of the replaced mill lining plate at the different part is recorded, and the historical statistical service life and the historical statistical total material handling capacity of the mill lining plate at the different part are counted by utilizing a statistical principle.
Obtaining historical statistics of service life and historical statistics of lining plates of different mills through statisticsAfter the total material processing amount, dynamically recording and acquiring the real-time material processing amount T of the current part of the mill lining plate to be evaluated after the last replacementu。
Reading historical statistical life H of the lining plate of the current mill to be evaluatedwHistorical statistics of total material throughput TwReal time material throughput TuDynamically estimating the remaining service time H of the lining plate of the current mill to be estimateds. The remaining service life of the current mill liner to be evaluated in this example is:
Figure BDA0002560092780000051
and according to the residual service time, dynamically evaluating in real time to obtain the service life due date of the current mill lining plate to be evaluated, determining the next replacement time, and reminding maintenance personnel to arrange replacement.
The service life of the lining plate of the grinding machine is dynamically and digitally evaluated in real time, the original replacement time of the lining plate of the grinding machine determined by experience and manual inspection is changed into dynamic real-time digital replacement time, so that the service life of the lining plate of the grinding machine is prolonged, the production efficiency is improved, and the energy consumption and the cost are reduced. And provides technical support for digital factories and digital maintenance.
As an embodiment, the real-time digital evaluation method of this embodiment further includes a step of building a database, where the database is used to store and record the historical replacement time and the historical usage time of the mill lining boards at different locations, and is used to record the real-time material handling capacity of the mill lining board to be evaluated, and is dynamically updated.
In the embodiment, the database is required to record the real-time material handling capacity of the dynamic mill lining plate after the mill lining plate is replaced from the last time, so that the historical real-time database and the software platform operating environment thereof are required to be established at first, and the real-time data of the mill material handling capacity is accessed. In step S4, the current real-time material throughput of the mill liner to be evaluated is read from the historical real-time database.
The embodiment also needs the database to store the historical replacement time records of the lining plates of the mills at different parts and the corresponding historical records of the material processing amount. Therefore, in the embodiment, a relational database is built, and data such as the positions, the models, the manufacturers, the historical replacement time, the historical service time, the corresponding material processing amount and the like corresponding to the mill lining plates at different positions are recorded and stored. In the embodiment, historical service time and historical replacement time are read from a relational database, and historical statistical service life (Hw) and historical statistical total material handling capacity (Tw) of the mill lining plates at different positions are calculated by statistics according to a statistical principle. Meanwhile, the position of the mill lining plate to be replaced and the model of the mill lining plate to be replaced are determined by reading the position, the model and the manufacturer of the mill lining plate.
As an embodiment, the real-time digital evaluation method of this embodiment further includes a step of calculating a percentage of used time R of the mill lining board to be evaluated, that is:
r (percentage of used time) Hu(real time elapsed time)/Hw(historical statistical lifetime) × 100%.
Wherein,
Figure BDA0002560092780000061
as an embodiment, the real-time digital evaluation method of this embodiment further includes a step of dynamically displaying:
and dynamically displaying the calculated real-time used time, the percentage of used time, the remaining used time and the next replacement time of different mill lining plates.
The real-time used time, the used time percentage, the residual used time and the next replacement time of different mill lining boards obtained by the embodiment are displayed for the user in a dynamic and digital mode through WEB pages, mobile terminals APP, graphs, reports and the like, the user can know the residual service life of each mill lining board in real time and the specific date of the next replacement, and the user can conveniently arrange to stop the mill for replacement.
The invention dynamically provides the real-time material handling capacity of the lining plate of the mill by utilizing the real-time historical database. Meanwhile, the historical records of replacement of different mill lining plates and the historical records of corresponding material handling capacity are obtained according to the built relational database, so that the historical statistical service life of the mill lining plates and the historical statistical total material handling capacity are counted, the service life assessment of the mill lining plates is realized through real-time calculation, the next replacement time of the mill lining plates is obtained, the production efficiency is improved, the energy consumption and the cost are reduced, and technical support is provided for digital factories and digital maintenance.
Example 2:
the embodiment provides a real-time digital evaluation device of mill welt life-span, includes:
the historical recording module is used for recording the historical replacement time of the mill lining plates at different parts and the historical service time after each replacement;
the dynamic updating module is used for dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the last replacement;
the statistical module is used for counting the historical statistical service life and the historical statistical total material processing capacity of the mill lining plates at different parts according to the historical replacement time and the historical service time;
and the replacement time evaluation module is used for reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the remaining service time of the current to-be-evaluated mill lining plate in real time, so that the next replacement time of the current to-be-evaluated mill lining plate is determined.
Optionally, the present embodiment further includes a database building module, configured to:
and building a database, wherein the database is used for storing and recording the historical replacement time and the historical service time of the mill lining plates at different parts, and is used for recording the real-time material processing amount of the mill lining plates to be evaluated and dynamically updating.
Optionally, the replacement time evaluation module in this embodiment includes a remaining usage time evaluation unit, configured to dynamically evaluate the remaining usage time of the current mill lining plate to be evaluated in real time, that is:
Figure BDA0002560092780000081
wherein HsIndicates the remaining usage time, HwIndicating historical statistical life, TuRepresenting real-time material throughput, TwRepresenting historical statistical total material throughput.
Optionally, the present embodiment further includes a used time percentage calculating module, configured to calculate a used time percentage of the mill lining board to be evaluated, that is:
R＝Hu/Hw×100％
Figure BDA0002560092780000082
wherein R represents the percentage of time used, HuIndicates elapsed time, HwRepresenting historical statistical life.
Optionally, the embodiment further includes a dynamic display module, configured to:
and dynamically displaying the calculated real-time used time, the percentage of used time, the remaining used time and the next replacement time of different mill lining plates.
Please refer to embodiment 1 for a specific implementation of the real-time digital evaluation apparatus of this embodiment.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Claims (10)

1. A real-time digital evaluation method for service life of a lining plate of a mill is characterized by comprising the following steps:
recording the historical replacement time of the mill lining plate at different parts and the historical service time after each replacement;
dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the last replacement;
acquiring the historical replacement time and the historical service time, and counting the historical statistical service life and the historical statistical total material handling capacity of the mill lining plates at different positions;
and reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the residual service time of the current to-be-evaluated mill lining plate in real time, so as to determine the next replacement time of the current to-be-evaluated mill lining plate.
2. The method for real-time digital evaluation of life of mill lining board according to claim 1, further comprising the step of building a database for storing and recording the historical replacement time and historical usage time of mill lining boards at different locations, and for recording and dynamically updating the real-time material handling capacity of the mill lining board to be evaluated.
3. The real-time digital evaluation method for the service life of the mill liner plate as claimed in claim 1, wherein the evaluation method for the remaining service life is as follows:
Figure FDA0002560092770000011
wherein HsIndicates the remaining usage time, HwIndicating historical statistical life, TuRepresenting real-time material throughput, TwRepresenting historical statistical total material throughput.
4. The method of claim 3, further comprising the step of calculating the percentage of time the mill liner has been used for evaluation, namely:
R＝Hu/Hw×100％
Figure FDA0002560092770000021
wherein R represents the percentage of time used, HuIndicates elapsed time, HwRepresenting historical statistical life.
5. The real-time digital evaluation method for the life of the mill liner according to claim 4, further comprising the step of dynamically displaying:
and dynamically displaying the calculated real-time used time, the percentage of used time, the remaining used time and the next replacement time of different mill lining plates.
6. A real-time digital evaluation device for service life of a lining plate of a grinding machine is characterized by comprising:
the historical recording module is used for recording the historical replacement time of the mill lining plates at different parts and the historical service time after each replacement;
the dynamic updating module is used for dynamically updating the real-time material handling capacity of the current mill lining plate to be evaluated after the last replacement;
the statistical module is used for counting the historical statistical service life and the historical statistical total material processing capacity of the mill lining plates at different parts according to the historical replacement time and the historical service time;
and the replacement time evaluation module is used for reading the historical statistical service life, the current real-time material handling capacity and the historical statistical total material handling capacity of the current to-be-evaluated mill lining plate, and dynamically evaluating the remaining service time of the current to-be-evaluated mill lining plate in real time, so that the next replacement time of the current to-be-evaluated mill lining plate is determined.
7. The device for real-time digital assessment of the life of a mill liner according to claim 6, further comprising a database construction module for:
and building a database, wherein the database is used for storing and recording the historical replacement time and the historical service time of the mill lining plates at different parts, and is used for recording the real-time material processing amount of the mill lining plates to be evaluated and dynamically updating.
8. The device for real-time digital evaluation of life of mill lining plate as claimed in claim 6, wherein said replacement time evaluation module comprises a remaining usage time evaluation unit for real-time dynamic evaluation of the remaining usage time of the mill lining plate currently to be evaluated, namely:
Figure FDA0002560092770000031
wherein HsIndicates the remaining usage time, HwIndicating historical statistical life, TuRepresenting real-time material throughput, TwRepresenting historical statistical total material throughput.
9. The device for real-time digital evaluation of the life of mill liners according to claim 8, further comprising a percentage used time calculation module for calculating the percentage used time of the mill liner to be evaluated, namely:
R＝Hu/Hw×100％
Figure FDA0002560092770000032
wherein R represents the percentage of time used, HuIndicates elapsed time, HwRepresenting historical statistical life.
10. The device for real-time digital evaluation of the life of a mill liner according to claim 9, further comprising a dynamic display module for:
and dynamically displaying the calculated real-time used time, the percentage of used time, the remaining used time and the next replacement time of different mill lining plates.
CN202010608634.0A 2020-06-29 2020-06-29 Real-time digital evaluation method and device for service life of mill lining plate Pending CN111754127A (en)

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