CN101781574A - Automatic monitoring system for oven drying temperature of coke oven - Google Patents
Automatic monitoring system for oven drying temperature of coke oven Download PDFInfo
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- CN101781574A CN101781574A CN200910045519A CN200910045519A CN101781574A CN 101781574 A CN101781574 A CN 101781574A CN 200910045519 A CN200910045519 A CN 200910045519A CN 200910045519 A CN200910045519 A CN 200910045519A CN 101781574 A CN101781574 A CN 101781574A
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Abstract
The invention relates to the technical field of temperature measurement devices using thermoelectric elements, in particular to an automatic monitoring system for the oven drying temperature of a coke oven. The automatic monitoring system comprises a thermocouple (1), a compensating lead wire (2), a temperature acquisition module (3), a shielding data line (4), an industrial power supply (5), a power supply conducting wire (6) and an upper computer (7). The invention is characterized in that the automatic monitoring system additionally comprises a base (8) and an acquisition box (9), the thermocouple (1) is connected with the temperature acquisition module (3) inserted on the base (8) through the compensating lead wire (2), the shielding data line (4) is connected with the acquisition box (9), a converter (10) and the upper computer (7), the acquisition box (9) is connected with a power supply interface through the power supply conducting wire (6), the acquisition box (9) is connected with the upper computer (7) and the industrial power supply (5), and a temperature monitoring control program is resided in the upper computer (7). The invention has the advantages that the detection precision is high and the oven drying quality is improved.
Description
Technical field
The present invention relates to the temperature measuring equipment field of use heat electric device, be specially a kind of automatic monitoring system that is used for oven drying temperature of coke oven.
Background technology
Coke oven claims pit kiln again, is coal coking equipment, also is the key in the coking technology.Modern coking furnace shaft is made of basic platform, regenerator, chute, combustion chamber and five parts of furnace roof, is mainly built by laying bricks or stones by silica brick.Coke oven must carry out baker before going into operation, and can the quality of baker stable and high yields, long-lived most important to coke oven.In the baker process, different steps according to furnace temperature has different requirements to heat-up rate, usually about needing 2 months skies from normal temperature to 800 ℃, especially from normal temperature to 300 ℃ needs about 1 month, and when heating up temperature accuracy require to be controlled at ± 1 ℃ in, therefore, the temperature variation of monitoring coke oven each point is very important in real time during baker.Because the coke oven volume is big, point for measuring temperature is many during the oven drying temperature monitoring, and furnace temperature adopts thermocouple measurement usually, and requires top temperature at 1000 ℃ during thermocouple temperature measurement.Traditional monitoring method is: every thermopair manually carries out field measurement by the millivoltmeter utilization, survey frequency be 2 hours once, but also need, and import computer and give statistical study each take off data of record.This manually-operated operational method, the temperature acquisition cycle is long, and systematic error and artificial reading error are big, can not in time grasp temperature conditions, and efficiency is very low.
Summary of the invention
In order to overcome the defective of prior art, the temperature measuring equipment that a kind of frequency acquisition is fast, monitoring accuracy is accurate, operating efficiency is high is provided, the invention discloses a kind of automatic monitoring system that is used for oven drying temperature of coke oven.
The present invention reaches goal of the invention by following technical solution:
A kind of automatic monitoring system that is used for oven drying temperature of coke oven, comprise thermopair, compensating lead wire, temperature collect module, the shadow data line, the industry control power supply, lead and upper computer, each temperature collect module is connected with several thermopairs, power supply is connected with temperature collect module by lead, it is characterized in that: also comprise pedestal and collector tank, thermopair is connected with temperature collect module by compensating lead wire, temperature collect module is inserted on the pedestal, pedestal is based on the R485 distributed data acquisition system and data-interface is arranged and power interface, temperature collect module and pedestal are all placed and are fixed in the collector tank, connect data-interface and adopt the RS485 bus distributed structure by the shadow data line between the collector tank, pass through the wire connecting power interface between the collector tank, and there is a collector tank to be connected with upper computer by the shadow data line, be connected resident monitor temperature sequence of control in the upper computer with the industry control power supply by lead.
The described automatic monitoring system that is used for oven drying temperature of coke oven is characterized in that: thermopair adopts WRN type thermopair, and the specification that compensating lead wire is selected for use is KC series 2 * 1.5m
2, temperature collect module is selected ADAM5000 series for use, and the specification that the shadow data line selection is used is the RVVP series 4 * 1.5m of band shielding
2, it is that 20A and rated output voltage are the industry control direct supply of 24V that the industry control power supply is selected output-current rating for use, and the thermopair quantity that each temperature collect module connects is between 25 to 40, and the quantity of the pedestal in each collector tank is 3 to 5.
The described automatic monitoring system that is used for oven drying temperature of coke oven, it is characterized in that: have a collector tank to be connected with upper computer by the shadow data line, the RS485 that also connects between this collector tank and upper computer changes the transmodulator of USB, the frequency of PC control temperature collect module monitor temperature every 5min once to once every 2hour.
The described automatic monitoring system that is used for oven drying temperature of coke oven, it is characterized in that: monitoring step is: thermopair is passed to temperature collect module with detected temperature information by compensating lead wire, convert numerary signal to through temperature collect module and be delivered to upper computer by the shadow data line again, upper computer is gone back when temperature information is shown in real time and in advance given temperature upper lower limit value comparison, when temperature exceeds normal fluctuation range, reported to the police, and the temperature information that receives is stored.
The described automatic monitoring system that is used for oven drying temperature of coke oven is characterized in that: upper computer also connects printer.
The invention has the beneficial effects as follows: the oven drying temperature of coke oven automatic monitoring system that has adopted the monitoring of software formation of high-precision temperature acquisition hardware and perfect in shape and function, the precision height of temperature acquisition, data statistic analysis in time, accurately, make whole baker have continuity and comparability, the error of having avoided artificial thermometric to cause, actual temperature and plan temperature fitting precision height have guaranteed the oven drying temperature requirement.Can directly reflect each measuring point state of temperature comprehensively, can grasp baker whole process monitoring each point temperature comprehensively and in time revise the baker operation, improve stove quality and efficient, also improve operating environment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schema of upper monitoring program among the present invention.
Embodiment
Below further specify the present invention by specific embodiment.
Embodiment 1
With 75 hole 5.5m tamping coke furnace geseous fuel bakers is example, and full stove is provided with 18 standard combustion chambers and 4 cross wall combustion chambers, and each standard combustion chamber is provided with 8 standard flues, and the setting of complete all temperature points of stove sees Table 1.
Table 1 75 hole 5.5m tamping coke furnace temperature monitoring points are provided with
| Sequence number | Monitoring project | The monitoring point | Monitoring frequency |
| ??1 | The management fire path temperature | 1,2,6,11,16,21,26,31,36,41,46,51,56,61,66,71,75,1,3,8,14,20,25,31 of the 76# combustion chamber, the 32# flue | Inferior/5min |
| ??2 | Mean flue temperature | The complete every combustion chamber the 8th of stove, the 25# flue | The same |
| ??3 | The cross wall temperature | 11,26,51, all flues of 66# combustion chamber | The same |
| Sequence number | Monitoring project | The monitoring point | Monitoring frequency |
| ??4 | The regenerator head temperature | 1,2,6,11,16,21,26,31,36,41,46,51,56,61,66,71,76,77# gas regenerator | The same |
| ??5 | Grate brick temperature | 1,2,6,11,16,21,26,31,36,41,46,51,56,61,66,71,76,77# gas regenerator | The same |
| ??6 | The headwall temperature | Headwall top thermometer hole | The same |
| ??7 | Flue temperature | Divide flue, main flue thermometer hole | Inferior/2hour |
| ??8 | Free air temperature | The place that not influenced by furnace temperature and solar irradiation | Inferior/2hour |
| ??9 | Fuel gas temperature | Natural gas house steward point for measuring temperature | Inferior/2hour |
Whole coke oven reaches 450 temperature monitoring points, 362 points of furnace roof distribution, machine, 44 points of coke side difference under the stove.Overwhelming majority monitoring point frequency acquisition is 5min, needs in real time institute's data monitored real-time status to be shown, simultaneously the data of gathering is carried out complicated analyzing and processing.
A kind of automatic monitoring system that is used for oven drying temperature of coke oven, comprise thermopair 1, compensating lead wire 2, temperature collect module 3, shadow data line 4, power supply 5, lead 6, upper computer 7, pedestal 8, collector tank 9, RS485 changes transmodulator 10 and the printer 11 of USB, upper computer 7 is selected microcomputer for use, as shown in Figure 1, concrete structure is: each temperature collect module 3 is connected with several thermopairs 4, industry control power supply 5 is connected with temperature collect module 3 by lead 6, it is characterized in that: also comprise, thermopair 1 is connected with temperature collect module 3 by compensating lead wire 2, temperature collect module 3 is inserted on the pedestal 8, pedestal 8 is based on the RS485 distributed data acquisition system and data-interface is arranged and power interface, temperature collect module 3 and pedestal 8 are all placed and are fixed in the collector tank 9, connect data-interface and adopt the RS485 bus distributed structure by shadow data line 4 between the collector tank 9, connect the industry control power interface by lead 6 between the collector tank 9, and a collector tank 9 usefulness shadow data lines 4 are arranged and upper computer 7 is connected and between the RS485 that also connects change the transmodulator 10 of USB, be connected with industry control power supply 7 by lead 6, resident monitor temperature sequence of control in the upper computer 7, upper computer 7 also connects printer 11.Thermopair 1 adopts WRN type thermopair, and the specification that compensating lead wire 2 is selected for use is KC series 2 * 1.5m
2, temperature collect module 3 is selected ADAM5000 series for use, and the specification that shadow data line 4 is selected for use is the RVVP series 4 * 1.5m of band shielding
2, it is that 20A and rated output voltage are the industry control direct supply of 24V that industry control power supply 5 is selected output-current rating for use, and thermopair 1 quantity that each temperature collect module 3 connects is 28, and the quantity of the pedestal 8 in each collector tank 9 is 4.The frequency of upper computer 7 controlled temperature acquisition modules 3 monitor temperatures every 5min once to once every 2hour.The monitoring step schema as shown in Figure 2, concrete steps are: thermopair 1 is passed to temperature collect module 3 with detected temperature information by compensating lead wire 2, convert numerary signal to through temperature collect module 3 and be delivered to upper computer 7 by shadow data line 4 again, upper computer 7 is gone back when temperature information is shown in real time and in advance given temperature upper lower limit value comparison, when temperature exceeds normal fluctuation range, reported to the police, and the temperature information that receives is stored.
Claims (5)
1. automatic monitoring system that is used for oven drying temperature of coke oven, comprise thermopair (1), compensating lead wire (2), temperature collect module (3), shadow data line (4), industry control power supply (5), lead (6) and upper computer (7), each temperature collect module (3) is connected with several thermopairs (4), industry control power supply (5) is connected with some temperature collect modules (3) by lead (6), it is characterized in that: also comprise the pedestal (8) in the collector tank (9), thermopair (1) is connected with temperature collect module (3) by compensating lead wire (2), temperature collect module (3) is inserted on the pedestal (8), pedestal (8) is based on the RS485 distributed data acquisition system and data-interface is arranged and power interface, temperature collect module (3) and pedestal (8) are all placed and are fixed in the collector tank (9), connect data-interface and adopt the RS485 bus distributed structure by shadow data line (4) between the collector tank (9), connect power interface by lead (6) between the collector tank (9), and there is a collector tank (9) to be connected with upper computer (7) by shadow data line (4), be connected resident monitor temperature sequence of control in the industrial computer (7) with industry control power supply (7) by lead (6).
2. the automatic monitoring system that is used for oven drying temperature of coke oven as claimed in claim 1 is characterized in that: thermopair (1) adopts WRN type thermopair, and the specification that compensating lead wire (2) is selected for use is KC series 2 * 1.5m
2, temperature collect module (3) is selected ADAM5000 series for use, and the specification that shadow data line (4) is selected for use is the RVVP series 4 * 1.5m of band shielding
2It is that 20A and rated output voltage are the industry control direct supply of 24V that industry control power supply (5) is selected output-current rating for use, thermopair (1) quantity that each temperature collect module (3) connects is between 25 to 40, and the quantity of the pedestal (8) in each collector tank (9) is 3 to 5.
3. the automatic monitoring system that is used for oven drying temperature of coke oven as claimed in claim 1, it is characterized in that: have a collector tank (9) to be connected with upper computer (7) by shadow data line (4), the RS485 that also connects between this collector tank (9) and upper computer (7) changes the transmodulator (10) of USB, the frequency of upper computer (7) controlled temperature acquisition module (3) monitor temperature every 5min once to once every 2hour.
4. the automatic monitoring system that is used for oven drying temperature of coke oven as claimed in claim 1, it is characterized in that: monitoring step is: thermopair (1) is passed to temperature collect module (3) with detected temperature information by compensating lead wire (2), convert numerary signal to through temperature collect module (3) and be delivered to upper computer (7) by shadow data line (4) again, upper computer (7) is gone back when temperature information is shown in real time and in advance given temperature upper lower limit value comparison, when temperature exceeds normal fluctuation range, reported to the police, and the temperature information that receives is stored.
5. the automatic monitoring system that is used for oven drying temperature of coke oven as claimed in claim 1 is characterized in that: upper computer (7) also connects printer (11).
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900489A (en) * | 2010-09-08 | 2010-12-01 | 中冶北方工程技术有限公司 | Grate-kiln-circular cooler furnace drying device and furnace drying method thereof |
| CN102042881A (en) * | 2010-11-05 | 2011-05-04 | 西北化工研究院 | System for measuring outer surface temperature of metal shell of air-flow bed reactor |
| CN102322970A (en) * | 2011-06-10 | 2012-01-18 | 武汉钢铁(集团)公司 | Automatic detection and analysis system for temperatures at multiple points of coke oven baking |
| CN102520747A (en) * | 2011-11-23 | 2012-06-27 | 中国三冶集团有限公司工业炉工程公司 | Coke oven temperature and pressure automatic monitoring oven control system |
| CN103364759A (en) * | 2013-06-25 | 2013-10-23 | 南京梅山冶金发展有限公司 | Method for monitoring working conditions of coke-oven exhaust disks and monitoring system |
| CN105588653A (en) * | 2016-03-11 | 2016-05-18 | 湖南千盟工业智能系统股份有限公司 | Multichannel high-precision intelligent coke oven temperature measurement method and multichannel high-precision intelligent coke oven temperature measurement device |
| CN105700383A (en) * | 2016-02-26 | 2016-06-22 | 中冶焦耐自动化有限公司 | Positive pressure oven optimal control method |
| CN106774515A (en) * | 2017-01-13 | 2017-05-31 | 山东师范大学 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
| CN107817403A (en) * | 2017-10-31 | 2018-03-20 | 惠州鼎宝金属制品有限公司 | A kind of fault detection system for oven |
| CN111351591A (en) * | 2020-03-31 | 2020-06-30 | 中冶焦耐(大连)工程技术有限公司 | Automatic acquisition method for central temperature of coke cake of coke oven |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208604C (en) * | 2002-07-31 | 2005-06-29 | 宝山钢铁股份有限公司 | Temperature determining system and method for drying cokery |
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2009
- 2009-01-19 CN CN200910045519.0A patent/CN101781574B/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900489A (en) * | 2010-09-08 | 2010-12-01 | 中冶北方工程技术有限公司 | Grate-kiln-circular cooler furnace drying device and furnace drying method thereof |
| CN102042881A (en) * | 2010-11-05 | 2011-05-04 | 西北化工研究院 | System for measuring outer surface temperature of metal shell of air-flow bed reactor |
| CN102322970B (en) * | 2011-06-10 | 2014-06-04 | 武汉钢铁(集团)公司 | Automatic detection and analysis system for temperatures at multiple points of coke oven baking |
| CN102322970A (en) * | 2011-06-10 | 2012-01-18 | 武汉钢铁(集团)公司 | Automatic detection and analysis system for temperatures at multiple points of coke oven baking |
| CN102520747B (en) * | 2011-11-23 | 2014-09-10 | 中国三冶集团有限公司 | Coke oven temperature and pressure automatic monitoring oven control system |
| CN102520747A (en) * | 2011-11-23 | 2012-06-27 | 中国三冶集团有限公司工业炉工程公司 | Coke oven temperature and pressure automatic monitoring oven control system |
| CN103364759A (en) * | 2013-06-25 | 2013-10-23 | 南京梅山冶金发展有限公司 | Method for monitoring working conditions of coke-oven exhaust disks and monitoring system |
| CN103364759B (en) * | 2013-06-25 | 2015-05-20 | 南京梅山冶金发展有限公司 | Method for monitoring working conditions of coke-oven exhaust disks and monitoring system |
| CN105700383A (en) * | 2016-02-26 | 2016-06-22 | 中冶焦耐自动化有限公司 | Positive pressure oven optimal control method |
| CN105700383B (en) * | 2016-02-26 | 2018-05-29 | 中冶焦耐自动化有限公司 | A kind of positive pressed baker optimal control method |
| CN105588653A (en) * | 2016-03-11 | 2016-05-18 | 湖南千盟工业智能系统股份有限公司 | Multichannel high-precision intelligent coke oven temperature measurement method and multichannel high-precision intelligent coke oven temperature measurement device |
| CN106774515A (en) * | 2017-01-13 | 2017-05-31 | 山东师范大学 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
| CN106774515B (en) * | 2017-01-13 | 2018-01-12 | 山东师范大学 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
| CN107817403A (en) * | 2017-10-31 | 2018-03-20 | 惠州鼎宝金属制品有限公司 | A kind of fault detection system for oven |
| CN111351591A (en) * | 2020-03-31 | 2020-06-30 | 中冶焦耐(大连)工程技术有限公司 | Automatic acquisition method for central temperature of coke cake of coke oven |
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