CN108920858B - Method for predicting service life of roller kiln heating rod - Google Patents
Method for predicting service life of roller kiln heating rod Download PDFInfo
- Publication number
- CN108920858B CN108920858B CN201810774870.2A CN201810774870A CN108920858B CN 108920858 B CN108920858 B CN 108920858B CN 201810774870 A CN201810774870 A CN 201810774870A CN 108920858 B CN108920858 B CN 108920858B
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- heating rod
- service life
- roller kiln
- current
- predicting
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012423 maintenance Methods 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/04—Ageing analysis or optimisation against ageing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The device for predicting the service life of the heating rod of the roller kiln comprises the heating rod and the roller kiln, wherein the heating rod is embedded into the upper part of the roller kiln and is connected with a digital ammeter, and the output end of the digital ammeter is connected with a computer provided with data analysis software. The invention also provides a method for predicting the service life of the heating rod by using the device. According to the invention, the digital current voltmeter is adopted to automatically collect current and voltage data, the service life end of the heating rod is well predicted by establishing the service life prediction model characterized by the impedance or resistance value of the heating rod, the heating rod is timely replaced within a reasonable time range before the service life end is reached, the stability of the temperature in the roller kiln can be effectively improved, meanwhile, the maintenance cost of the heating rod can be reduced, and the method has high economic value.
Description
Technical Field
The invention relates to a life prediction method, in particular to a method for predicting the service life of a heating rod of a roller kiln.
Background
The high-temperature solid-phase reaction of the lithium ion battery material is usually completed by adopting an electric heating roller kiln. Roller kilns are generally divided into several temperature zones, each of which has a set of electric heating rods or wires, up and down, for heating the kiln. In order to improve the productivity, a roller kiln is generally provided with more than 10 temperature areas, each temperature area is provided with a thermocouple, the temperature in the kiln is measured, a temperature signal is fed back to a temperature controller to form a control signal of a heating rod or a heating wire, and the current of the heating rod or the heating wire is controlled to form a closed-loop control system of the kiln temperature.
Along with the continuous improvement of the performance of lithium ion battery materials, the requirements on the temperature control precision of the roller kiln are also continuously improved, and the control precision of the temperature of the kiln is vital by taking a heating rod or a heating wire as a core component of a temperature control system. In the prior roller kiln application, the life of the heating rod cannot be predicted, and the heating rod can be usually found by an operator and replaced when the working current is zero, but the temperature in the kiln is affected to different degrees due to the failure of the heating rod.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the roller kiln has the advantages that the service life of the heating rod can be accurately predicted, and the temperature control precision is high.
In order to solve the technical problems, the invention adopts the following technical scheme: firstly, a device for predicting the service life of a heating rod of a roller kiln is provided, the device comprises the heating rod and the roller kiln, the heating rod is embedded into the upper part of the roller kiln and is connected with a digital ammeter, and the output end of the digital ammeter is connected with a computer provided with data analysis software.
Based on the prediction device, the invention also provides a method for predicting the service life of the heating rod of the roller kiln, which comprises the following steps: 1) Before operation, collecting the current and voltage values of the heating rod through a digital ammeter, inputting the measured current and voltage values into a computer to calculate an initial resistance value R of the heating rod 0 The method comprises the steps of carrying out a first treatment on the surface of the 2) In the running process, collecting the current and voltage values of the heating rod in real time through a digital ammeter, outputting the measured current and voltage values to a computer, and calculating the impedance value R of the heating rod; 3) Will initiate the impedance value R 0 As a standard value, calculating the percentage R/R of the real-time impedance R to the standard value 0 Let it be Z t ，Z t ＝R/R 0 The method comprises the steps of carrying out a first treatment on the surface of the 5) In Z t For Y axis, T is X axis to draw Z t Curve with time T, calculating Z by using data analysis software t First derivative Z of time T t ' when Z t When 'is larger than the set value Z', the heating rod reaches the end of life, and corresponding software in the computer prompts the replacement of the heating rod.
Preferably, the current voltmeter has a plurality of current voltmeters.
Preferably, the set value Z' is Z corresponding to the accumulated heating rod failure t ' sThe average value determines that the number of accumulated heating rod failure data samples is not less than 100.
The invention has the beneficial effects that: according to the invention, the digital current voltmeter is adopted to automatically collect current and voltage data, the service life end of the heating rod is well predicted by establishing the service life prediction model characterized by the impedance or resistance value of the heating rod, the heating rod is timely replaced within a reasonable time range before the service life end is reached, the stability of the temperature in the roller kiln can be effectively improved, meanwhile, the maintenance cost of the heating rod can be reduced, and the method has high economic value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure: 1-roller kiln heating rod, 2-roller kiln, 3-digital ammeter and 4-computer.
Detailed Description
As shown in figure 1, the device for predicting the service life of the heating rod of the roller kiln comprises a heating rod 1 and the roller kiln 2, wherein the heating rod 1 is embedded into the upper part of the roller kiln 2 and is connected with a digital ammeter 3, and the output end of the digital ammeter 3 is connected with a computer 4 provided with data analysis software.
The invention also provides a method for predicting the service life of the roller kiln heating rod, which is carried out according to the following steps when in use: 1) Before operation, the current and voltage values of the heating rod 1 are acquired through the digital current voltmeter 3, and the measured current and voltage values are input into the computer 4 to calculate the initial resistance value R of the heating rod 0 The method comprises the steps of carrying out a first treatment on the surface of the 2) In the running process, the current and voltage values of the heating rod 1 are acquired in real time through a digital ammeter, and the measured current and voltage values are output to a computer 4 to calculate the impedance value R of the heating rod; 3) Will initiate the impedance value R 0 As a standard value, calculating the percentage R/R of the real-time impedance R to the standard value 0 Let it be Z t ，Z t ＝R/R 0 The method comprises the steps of carrying out a first treatment on the surface of the 4) In Z t For Y axis, T is X axis to draw Z t Curve with time T, calculating Z by using data analysis software t First derivative Z of time T t ' when Z t When 'is larger than the set value Z', the heating rod reaches the service lifeAt the end of the life, corresponding software in the computer prompts the replacement of the heating rod.
As a specific optimization example of this embodiment, there are a plurality of current voltmeters 3, so that a large batch of heating rods can be monitored at the same time.
As a specific optimization example of the embodiment, the set value Z' is Z corresponding to the accumulated heating rod failure t The' average value determines that the number of accumulated heating rod failure data samples is not less than 100. The number data of samples greater than 100 are more accurate, and the service life of the heating rod can be predicted better.
The embodiments of the present invention have been described in detail, but the present invention is merely the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (4)
1. The method for predicting the service life of the roller kiln heating rod is characterized by comprising the following steps of:
1) Before operation, the current and voltage values of the heating rod (1) are collected through a digital current voltmeter (3), and the measured current and voltage values are input into a computer (4) to calculate an initial resistance value R of the heating rod 0 ；
2) In the running process, the current and voltage values of the heating rod (1) are acquired in real time through the digital ammeter (3), the measured current and voltage values are output to a computer (4) to calculate the impedance value R of the heating rod;
3) Will initiate the impedance value R 0 As a standard value, calculating the percentage R/R of the real-time impedance R to the standard value 0 Let it be Z t ，Z t ＝R/R 0 ；
4) In Z t For Y axis, T is X axis to draw Z t Curve with time T, calculating Z by using data analysis software t First derivative Z of time T t ' when Z t When 'is larger than the set value Z', the heating rod reaches the end of life, and corresponding software in the computer prompts the replacement of the heating rod.
2. The method for predicting the service life of a heating rod of a roller kiln according to claim 1, wherein:
the set value Z' is Z corresponding to the accumulated heating rod when the heating rod fails t The' average value determines that the number of accumulated heating rod failure data samples is not less than 100.
3. A device for predicting the service life of a heating rod of a roller kiln, which is characterized by comprising a heating rod (1) and the roller kiln (2), wherein the heating rod (1) is embedded into the upper part of the roller kiln (2), the heating rod (1) is connected with a digital ammeter (3), the output end of the digital ammeter (3) is connected with a computer (4) provided with data analysis software, and the device is used for realizing the method as claimed in claim 1.
4. A device for predicting the service life of a roller kiln heating rod according to claim 3, characterized in that: the current voltmeter (3) is provided with a plurality of current voltmeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774870.2A CN108920858B (en) | 2018-07-19 | 2018-07-19 | Method for predicting service life of roller kiln heating rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774870.2A CN108920858B (en) | 2018-07-19 | 2018-07-19 | Method for predicting service life of roller kiln heating rod |
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| Publication Number | Publication Date |
|---|---|
| CN108920858A CN108920858A (en) | 2018-11-30 |
| CN108920858B true CN108920858B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810774870.2A Active CN108920858B (en) | 2018-07-19 | 2018-07-19 | Method for predicting service life of roller kiln heating rod |
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| CN (1) | CN108920858B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221893A (en) * | 1990-04-09 | 1993-06-22 | Kabushiki Kaisha Toshiba | Method and device for diagnosis of paint film deterioration |
| CN103256823A (en) * | 2013-05-28 | 2013-08-21 | 赵剑毅 | Ceramic roller kiln waste heat electric energy integrated utilization system |
| CN104040682A (en) * | 2011-08-05 | 2014-09-10 | 贺利氏特种光源有限责任公司 | Process for producing an electrically conductive material, electrically conductive material and radiator comprising electrically conductive material |
| CN106646252A (en) * | 2016-12-01 | 2017-05-10 | 国网辽宁省电力有限公司电力科学研究院 | Lead acid battery service life prediction method |
| CN107038307A (en) * | 2017-04-18 | 2017-08-11 | 中南大学 | Mechanism predicts integrated modelling approach with the Roller Conveying Kiln for Temperature that data are combined |
| CN107301303A (en) * | 2017-07-14 | 2017-10-27 | 吴康 | 3D glass heat bender mold heating system colony intelligence Optimization Designs |
| CN207067779U (en) * | 2017-08-17 | 2018-03-02 | 湖北瑞莱达机电设备有限公司 | A kind of roller kilns temperature control device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2951606B1 (en) * | 2009-10-19 | 2012-01-06 | Electricite De France | INDUCTION HEATING METHOD IN A DEVICE COMPRISING MAGNETICALLY COUPLED INDUCTORS |
| US8712726B2 (en) * | 2010-12-01 | 2014-04-29 | Xerox Corporation | System and method for predicting remaining useful life of device components |
-
2018
- 2018-07-19 CN CN201810774870.2A patent/CN108920858B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221893A (en) * | 1990-04-09 | 1993-06-22 | Kabushiki Kaisha Toshiba | Method and device for diagnosis of paint film deterioration |
| CN104040682A (en) * | 2011-08-05 | 2014-09-10 | 贺利氏特种光源有限责任公司 | Process for producing an electrically conductive material, electrically conductive material and radiator comprising electrically conductive material |
| CN103256823A (en) * | 2013-05-28 | 2013-08-21 | 赵剑毅 | Ceramic roller kiln waste heat electric energy integrated utilization system |
| CN106646252A (en) * | 2016-12-01 | 2017-05-10 | 国网辽宁省电力有限公司电力科学研究院 | Lead acid battery service life prediction method |
| CN107038307A (en) * | 2017-04-18 | 2017-08-11 | 中南大学 | Mechanism predicts integrated modelling approach with the Roller Conveying Kiln for Temperature that data are combined |
| CN107301303A (en) * | 2017-07-14 | 2017-10-27 | 吴康 | 3D glass heat bender mold heating system colony intelligence Optimization Designs |
| CN207067779U (en) * | 2017-08-17 | 2018-03-02 | 湖北瑞莱达机电设备有限公司 | A kind of roller kilns temperature control device |
Non-Patent Citations (1)
| Title |
|---|
| 半导体热敏电阻在温度控制中的应用;陈辉等;《甘肃联合大学学报(自然科学版)》;20110110(第01期);全文 * |
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| CN108920858A (en) | 2018-11-30 |
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