CN109883170A - A kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method - Google Patents
A kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method Download PDFInfo
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- CN109883170A CN109883170A CN201811313559.4A CN201811313559A CN109883170A CN 109883170 A CN109883170 A CN 109883170A CN 201811313559 A CN201811313559 A CN 201811313559A CN 109883170 A CN109883170 A CN 109883170A
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- resistance
- drying oven
- fingerprint
- outlet temperature
- strip outlet
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Abstract
The present invention relates to a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control methods, belong to plating resistance and fingerprint resistance drying technology field.Technical solution is: pyrometer (3) are arranged in resistance and fingerprint resistance drying oven exit, directly detect the strip outlet temperature in resistance and fingerprint resistance drying oven exit；Pyrometer is electrically connected to control system (5)；Pyrometer, which will test to obtain strip outlet temperature signal, is sent to control system；Control system is according to the strip outlet temperature signal received, calculate strip outlet temperature at that time, by the output power of control system automatic adjustment radiant tube (2) drying effect is not influenced by the variation of line speed so that strip outlet temperature remains within the set range.The present invention controls the drying effect of resistance and fingerprint resistance drying oven by detection strip outlet temperature, the case where effectively preventing belt steel temperature height from generating scald rubber roller, it is also prevented from the low situation for causing anti-fingerprint dope to adhere on rubber roller of belt steel temperature simultaneously, excludes the strip impression mass defect therefore generated.
Description
Technical field
The present invention relates to a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control methods, belong to resistance and fingerprint resistance galvanized sheet drying skill
Art field.
Background technique
Fingerprint-proof plate is that obtain is a kind of composite coating plate after zinc-plated plate surface carries out resistance and fingerprint resistance processing.Zinc wire is electroplated
When producing resistance and fingerprint resistance product, the anti-fingerprint dope drying for needing to coat belt steel surface is dried according to the resistance and fingerprint resistance of different manufacturers
It is required that controlled, it is either large or small all to reach good effect.The drying control method of prior art passes through Control for Kiln Temperature,
Due to the variation of line speed, causes the precision of method according to Control for Kiln Temperature belt steel temperature not high, and temperature is too low, cause
Resistance and fingerprint resistance baking is not done；There are problems to be: influence product quality, the subsequent rubber roller of drying oven can be made to be stained with anti-fingerprint dope, it is more long-pending more
It is more, strip impression will be generated.If temperature is excessively high, rubber roller will be scalded, can also generate strip impression.
Summary of the invention
It is an object of that present invention to provide a kind of electro-galvanized fingerprint resistant drying oven control methods, pass through detection band outlet steel temperature
The drying effect for controlling resistance and fingerprint resistance drying oven effectively prevents belt steel temperature height from generating the case where scalding rubber roller, is also prevented from simultaneously
The low situation for causing anti-fingerprint dope to adhere on rubber roller of belt steel temperature excludes the strip impression mass defect therefore generated, solves
There is above-mentioned technical problem existing for technology.
The technical scheme is that
A kind of electro-galvanized fingerprint resistant drying oven control method, comprises the following steps: resistance and fingerprint resistance drying oven is by radiant tube (2) to band
Resistance and fingerprint resistance coating on steel is heated；Pyrometer is set in resistance and fingerprint resistance drying oven exit, directly detection resistance and fingerprint resistance drying oven
The strip outlet temperature in exit；Pyrometer is electrically connected to control system；Pyrometer will test to obtain strip outlet temperature signal
It is sent to control system；Control system calculates strip outlet temperature at that time according to the strip outlet temperature signal received, leads to
The output power for crossing control system automatic adjustment radiant tube so that strip outlet temperature remains within the set range, not by
The variation of line speed and influence drying effect.
The pyrometer is installed on resistance and fingerprint resistance drying oven exit downward vertically, and pyrometer is located on resistance and fingerprint resistance drying oven exit
Side.
The pyrometer connects display screen, and the strip outlet temperature numerical value detected is gone out by display screen real-time display
Come, display screen is electrically connected to the control system, and real-time display comes out strip outlet temperature numerical value on the man-machine interface of the control system.
The control system includes computing module, and computing module is calculated according to the strip outlet temperature signal that pyrometer detects
Obtain strip outlet temperature numerical value.The control system includes control module, be provided in control module strip outlet temperature with
Set temperature comparing function, control module judge whether belt steel temperature is warm close to setting according to the strip outlet temperature being calculated
Degree, controls to adjust the output power of radiant tube；When actually detected strip outlet temperature is lower than set temperature, control module can be mentioned
High radiant tube output power, set temperature and actually detected strip outlet temperature gap are bigger, and the adjusting of radiant tube output power is got over
Greatly；After actually detected strip outlet temperature exceeds set temperature, radiant tube output power can be reduced.
The resistance and fingerprint resistance drying oven, further includes electrical power control cabinet, and electrical power control cabinet is according to the judging result tune of control module
Save the output power of radiant tube.
Thermal resistance is equipped in the resistance and fingerprint resistance drying oven, thermal resistance is inserted into resistance and fingerprint resistance drying oven, for detecting resistance and fingerprint resistance
The in-furnace temperature of drying oven, and in-furnace temperature signal is sent to control system, the specific value of in-furnace temperature signal is led in real time
The man-machine interface real-time display for crossing control system comes out；When the damage of the pyrometer in resistance and fingerprint resistance drying oven exit, heat can be passed through
The in-furnace temperature that resistance detection obtains carries out control heating, does not influence rhythm of production；After pyrometer is repaired, then it is switched to original
Control model.
The present invention passes through the setting value of the HMI man-machine interface input strip outlet temperature to be controlled first, opens resistance and fingerprint resistance
Drying oven heat button；It chooses and is controlled by strip outlet temperature, can not be executed automatically by manual intervention by control system.
The invention has the advantages that: pass through drying oven exit strip outlet temperature, control heating, the only detection with pyrometer
Signal is related, is not changed by the variation of line speed, to guarantee that belt steel temperature is constant, it is ensured that resistance and fingerprint resistance drying oven
Drying effect.The case where belt steel temperature height generates scald rubber roller is effectively prevented, while also preventing that belt steel temperature is low to be caused
Anti-fingerprint dope adheres to the situation on rubber roller, eliminates the strip impression mass defect therefore generated.This method is adjusted defeated using PID
Power out has efficient, stable characteristic.When temperature anomaly, warning message can be automatically generated.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is control system schematic diagram of the invention；
In figure: resistance and fingerprint resistance drying oven 1, radiant tube 2, pyrometer 3, strip 4, control system 5, thermal resistance 6, display screen 7, shielding are led
Line 8, man-machine interface 9, signal processing module 10, computing module 11, filter module 12, selecting module 13, control module 14, triggering
Plate 15.
Specific embodiment
A kind of electro-galvanized fingerprint resistant drying oven control method, comprises the following steps: resistance and fingerprint resistance drying oven 1 passes through radiant tube 2
Resistance and fingerprint resistance coating on strip is heated；Pyrometer 3 is set in resistance and fingerprint resistance drying oven exit, directly detection resistance and fingerprint resistance is dried
Strip outlet temperature at dry outlet of still；Pyrometer is electrically connected to control system 5；Pyrometer will test to obtain strip outlet temperature
Signal is sent to control system；Control system calculates strip outlet temperature at that time according to the strip outlet temperature signal received
Degree automatically adjusts the output power of radiant tube 2 by control system, so that strip outlet temperature remains at setting range
It is interior, drying effect is not influenced by the variation of line speed.
The pyrometer 3 is installed on 1 exit of resistance and fingerprint resistance drying oven downward vertically, and pyrometer 3 is located at the outlet of resistance and fingerprint resistance drying oven 1
Place top.
The pyrometer 3 connects display screen 7, and the strip outlet temperature numerical value detected passes through 7 real-time display of display screen
Out, display screen 7 is electrically connected with control system 5, and strip outlet temperature numerical value is shown in real time in the man-machine interface 9 of control system 5
It shows and.
The control system 5 includes computing module, the strip outlet temperature signal meter that computing module is detected according to pyrometer
Calculation obtains strip outlet temperature numerical value.The control system 5 includes control module, is provided with strip outlet temperature in control module
With set temperature comparing function, control module judges the whether close setting of belt steel temperature according to the strip outlet temperature being calculated
Temperature controls to adjust the output power of radiant tube 2；When actually detected strip outlet temperature is lower than set temperature, control module
Radiant tube output power can be improved, set temperature and actually detected strip outlet temperature gap are bigger, radiant tube output power tune
It saves bigger；After actually detected strip outlet temperature exceeds set temperature, radiant tube output power can be reduced.
The resistance and fingerprint resistance drying oven 1, further includes electrical power control cabinet, and electrical power control cabinet is according to the judging result tune of control module
Save the output power of radiant tube 2.
Thermal resistance 6 is equipped in the resistance and fingerprint resistance drying oven, thermal resistance is inserted into resistance and fingerprint resistance drying oven, for detecting resistance and fingerprint resistance
The in-furnace temperature of drying oven, and in-furnace temperature signal is sent to control system 5, the specific value of in-furnace temperature signal is led in real time
9 real-time display of man-machine interface for crossing control system 5 comes out.When the pyrometer 3 in resistance and fingerprint resistance drying oven exit damages, can also lead to
Thermal overload resistor 6 detects obtained in-furnace temperature and carries out control heating, does not influence rhythm of production；After pyrometer 3 is repaired, then it is switched to
Control model originally.
The present invention passes through the setting value of the HMI man-machine interface input strip outlet temperature to be controlled first, opens resistance and fingerprint resistance
Drying oven heat button；It chooses and is controlled by strip outlet temperature, can not be executed automatically by manual intervention by control system.
Referring to attached drawing 1, Fig. 1 shows that pyrometer 3 is located at the exit of resistance and fingerprint resistance drying oven 1, and detection resistance and fingerprint resistance drying oven goes out
Strip outlet temperature at mouthful, display screen 7 is electrically connected pyrometer 3 by shielded wire 8, for showing current strip outlet temperature
Actual value, display screen 7 and control system 5, control system 5 is connected with HMI man-machine interface 9.
Referring to attached drawing 2, control system 5 includes man-machine interface 9, signal processing module 10, computing module 11, filter module
12, selecting module 13, control module 14 and trigger board 15, control module are adjusted using PID adjustment module.Fig. 2 is shown, high
The signal processing module 10 for the strip outlet temperature signal access control system that temperature meter obtains, the computing module 11 through control system
It calculates, then is converted into the actual value of strip outlet temperature by filter module 12；Pyrometer control is selected by selecting module 13
Setting value compared with actual value, the output of control trigger board 15 is adjusted by PID, is finally realized resistance to by mode, control module 14
The display of the stability contorting of 1 temperature of fingerprint drying oven, the output of power and strip outlet temperature is all in HMI man-machine interface 9
It shows.If the pyrometer 3 in resistance and fingerprint resistance drying oven exit damages, selecting module 13 selects thermal resistance control model,
Obtained in-furnace temperature is detected by thermal resistance 6 and carries out control heating, does not influence rhythm of production；After pyrometer 3 is repaired, then switch
To original control model.
Field panel 7 can make the operator of inspection get information about resistance and fingerprint resistance drying oven exit belt steel temperature,
It finds the problem in time.
The interference of signal in order to prevent, transmits signal using shielded wire, removes temperature signal using filter module 12
Fluctuation.
The output power of radiant tube is adjusted by PID adjustment module, is capable of the output of smoothly regulation power, realizes temperature
Grow steadily or reduce, temperature will not be generated and fluctuated on a large scale.
Operator need to only open corresponding operation and display picture, set belt steel temperature, then when using this method
Heat button is opened, control system can be automatic defeated according to the belt steel temperature of setting compared with actual strip outlet temperature
Power is heated out.Accomplish convenience, reliable, timely, practical, belt steel temperature is made to be chronically at a stable state, with
It solves to change due to line speed, leads to the technical issues of fluctuating by Control for Kiln Temperature resistance and fingerprint resistance solidification effect.It is effective anti-
The case where belt steel temperature height generates scald rubber roller is stopped, while having also prevented that belt steel temperature is low to cause anti-fingerprint dope to adhere on rubber roller
The case where, eliminate the strip impression mass defect therefore generated.
Claims (5)
1. a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method, characterized by comprising the steps of: resistance and fingerprint resistance drying
Furnace (1) heats the resistance and fingerprint resistance coating on strip by radiant tube (2)；In resistance and fingerprint resistance drying oven exit, pyrometer is set
(3), the strip outlet temperature in resistance and fingerprint resistance drying oven exit is directly detected；Pyrometer is electrically connected to control system (5)；Pyrometer
It will test to obtain strip outlet temperature signal and be sent to control system；Control system according to the strip outlet temperature signal received,
Strip outlet temperature at that time is calculated, by the output power of control system automatic adjustment radiant tube (2), so that strip exports
Temperature remains within the set range, is not influenced drying effect by the variation of line speed.
2. a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method according to claim 1, it is characterised in that: described
Thermal resistance (6) are equipped in resistance and fingerprint resistance drying oven, thermal resistance is inserted into resistance and fingerprint resistance drying oven, for detecting the furnace of resistance and fingerprint resistance drying oven
Interior temperature, and in-furnace temperature signal is sent to control system (5), the specific value of in-furnace temperature signal passes through control system in real time
Man-machine interface (9) real-time display of system (5) comes out；When the damage of the pyrometer (3) in resistance and fingerprint resistance drying oven exit, heat can be passed through
The in-furnace temperature that resistance (6) detection obtains carries out control heating, does not influence rhythm of production；After pyrometer (3) is repaired, then it is switched to
Control model originally.
3. a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method according to claim 1 or 2, it is characterised in that:
The pyrometer (3) is installed on resistance and fingerprint resistance drying oven (1) exit downward vertically, and pyrometer (3) is located at resistance and fingerprint resistance drying oven (1)
Above exit.
4. a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method according to claim 1 or 2, it is characterised in that:
The control system (5) includes computing module, and the strip outlet temperature signal that computing module is detected according to pyrometer is calculated
Strip outlet temperature numerical value.
5. a kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method according to claim 1 or 2, it is characterised in that:
The control system (5) includes control module, and strip outlet temperature and set temperature comparing function are provided in control module, control
Molding root tuber judges that belt steel temperature whether close to set temperature, controls to adjust radiant tube according to the strip outlet temperature being calculated
(2) output power；When actually detected strip outlet temperature is lower than set temperature, it is defeated that control module can improve radiant tube (2)
Power out, set temperature and actually detected strip outlet temperature gap are bigger, and radiant tube (2) output power adjusts bigger；Work as reality
The strip outlet temperature of border detection can reduce radiant tube (2) output power beyond after set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313559.4A CN109883170A (en) | 2018-11-06 | 2018-11-06 | A kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313559.4A CN109883170A (en) | 2018-11-06 | 2018-11-06 | A kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109883170A true CN109883170A (en) | 2019-06-14 |
Family
ID=66924866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313559.4A Withdrawn CN109883170A (en) | 2018-11-06 | 2018-11-06 | A kind of Electro-galvanizing Production Line resistance and fingerprint resistance drying oven control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267029A (en) * | 2021-05-19 | 2021-08-17 | 江西富鸿金属有限公司 | Anti-oxidation drying device for tinned wire |
| CN113291927A (en) * | 2021-05-25 | 2021-08-24 | 湖州师范学院 | Control method and device for single yarn finishing integrated device, product and storage medium |
| CN115672685A (en) * | 2021-07-27 | 2023-02-03 | 宝山钢铁股份有限公司 | Baking quality control method for magnesium oxide coating for producing oriented silicon steel |
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| CN201163217Y (en) * | 2007-12-29 | 2008-12-10 | 中冶南方工程技术有限公司 | Strip steel temperature measuring equipment in stove |
| CN101727118A (en) * | 2008-10-22 | 2010-06-09 | 北京中科信电子装备有限公司 | Rapid heat-treatment temperature measuring and controlling system and measuring and controlling method |
| CN101533280A (en) * | 2009-04-27 | 2009-09-16 | 张家港市建业印染机械有限公司 | Method for controlling drying temperature of infrared radiator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267029A (en) * | 2021-05-19 | 2021-08-17 | 江西富鸿金属有限公司 | Anti-oxidation drying device for tinned wire |
| CN113291927A (en) * | 2021-05-25 | 2021-08-24 | 湖州师范学院 | Control method and device for single yarn finishing integrated device, product and storage medium |
| CN115672685A (en) * | 2021-07-27 | 2023-02-03 | 宝山钢铁股份有限公司 | Baking quality control method for magnesium oxide coating for producing oriented silicon steel |
| CN115672685B (en) * | 2021-07-27 | 2023-08-11 | 宝山钢铁股份有限公司 | Method for controlling baking quality of magnesia coating for producing oriented silicon steel |
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Application publication date: 20190614 |