CN102853448A - Optimization method for combustion system of slab heat accumulating type heating furnace - Google Patents
Optimization method for combustion system of slab heat accumulating type heating furnace Download PDFInfo
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- CN102853448A CN102853448A CN2012102317426A CN201210231742A CN102853448A CN 102853448 A CN102853448 A CN 102853448A CN 2012102317426 A CN2012102317426 A CN 2012102317426A CN 201210231742 A CN201210231742 A CN 201210231742A CN 102853448 A CN102853448 A CN 102853448A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 62
- 238000005457 optimization Methods 0.000 title claims abstract description 35
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 39
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 67
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 46
- 239000003546 flue gas Substances 0.000 claims description 46
- 238000013461 design Methods 0.000 claims description 39
- 238000009825 accumulation Methods 0.000 claims description 14
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000391 smoking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses an optimization method for a combustion system of a slab heat accumulating type heating furnace. The optimization method includes: measuring pressure and temperature of a flue portion, comparing the measured values with designed parameters, analyzing the practical operation effects of a heat exchanger and a flue damper, and optimizing the heat exchanger and the flue damper; measuring smoke discharging temperature and smoke content of a heat accumulating burner, analyzing the practical working condition of the combustion system, and optimizing the combustion system; and testing the characteristics of an adjusting valve, drawing a curve of the characteristics of the adjusting valve, and optimizing the combustion system. According to the optimization method for the combustion system of the slab heat accumulating type heating furnace, the combustion system is accurately measured, data analyzing is combined to find the reasons of system problems, optimizing and adjusting are carried out, all operation parameters of the heating furnace reach the optimum state, and accordingly the purpose of achieving high quality, high yield, high efficiency and energy saving of the heating furnace is achieved.
Description
Technical field
The present invention relates to the industrial furnace technology field, specifically a kind of slab recuperative heater combustion system optimization method.
Background technology
The slab recuperative heater is the visual plant of mill incoming slab heating.Its energy resource consumption accounts for about 60% of process energy consumption.Simultaneously, the quality of its heating slab directly affects the final mass of product.Therefore, how to realize the optimization control of heating furnace, thereby energy savings, improve lumber recovery, improve product quality, be the emphasis tackling key problem work of each mill always.
Heating furnace combustion system process control parameter is more, and operating temperature and environment temperature are all higher.Often cause technological parameter can't reach optimum state because of problem analysis that can't system.Heating furnace actual operation parameters and design parameter deviation are more, often cause that fuel consumption increases, heating of plate blank is of poor quality, even cause service life of equipment to shorten frequent breakage.These problems all can cause huge economic loss.
Therefore, how by systematic survey, finding and solve the problem of existence, is the key point of improving the combustion system running status.
Summary of the invention
One of purpose of the present invention be solve existing heating furnace combustion system can't the network analysis problem so that technological parameter can't reach optimum value, cause that fuel consumption increases, heating of plate blank is of poor quality, even cause service life of equipment to shorten, the various problems such as frequent breakage have been invented the timely analytical system problem of a kind of energy and have been made systematic parameter keep the slab recuperative heater combustion system optimization method of optimum value.
A kind of slab recuperative heater combustion system optimization method provided by the invention, comprise: flue site pressure, temperature are measured, and contrast with design parameter, analyzing heat exchanger, flue shutter actual motion effect, heat exchanger and flue shutter are optimized;
Heat-accumulating burner exhaust gas temperature, smoke components are measured, and analytic combustion system actual condition is optimized combustion system;
To regulating the valve characteristic test, draw the control valve characteristic curve, combustion system is optimized.
Further, described flue site pressure, temperature are measured, and contrasted with design parameter, analyze heat exchanger, flue shutter actual motion effect, heat exchanger and flue shutter are optimized and comprise:
At first measure flue-gas temperature and air gas preheating temperature under the declared working condition;
Then measure the heating furnace flue, the pressure at sky, gas change heater and each position of flue shutter;
The drag losses that calculates each position according to the temperature of measuring and pressure data, and analyze comparison with design load;
Carry out design optimization according to analysis result heat exchanger, flue shutter.
Further, describedly also comprise before the flue-gas temperature and air gas preheating temperature at first measuring under the declared working condition:
Offer measured hole at the heating furnace flue.
Further, described temperature and the pressure data drag losses that calculates each position according to measuring, and analyze relatively with design load and to comprise:
Obtain total exhaust smoke level by " total exhaust smoke level=gas using quantity * [amount of theoretical flue gas+theoretical air requirement * (coefficient of excess air-1)] ";
Obtain to calculate exhaust gas volumn by " calculating exhaust gas volumn=total exhaust smoke level-accumulation of heat exhaust smoke level ";
Obtain calculating flue gas flow by " calculating the air capacity of flue gas flow=calculatings exhaust gas volumn+enter ";
By " the location drag losses measured value * of position drag losses reduced value=institute that surveys (flue gas flow design value/calculating flue gas flow)
2Obtain the position drag losses reduced value of surveying;
Institute's survey position drag losses reduced value and design load are compared, carry out parameter designing and equipment optimization according to deviation value heat exchanger, flue shutter.
Further, described heat-accumulating burner exhaust gas temperature, smoke components are measured, analytic combustion system actual condition is optimized combustion system and comprises:
Detect heat-accumulating burner flue-gas temperature, CO content, NO
XContent and O2 content;
Simultaneously, record combustion system gas flow, air mass flow, space gas ratio, accumulation of heat smoke evacuation ratio and residual oxygen analytical instrument testing result;
By the analysis-by-synthesis to record data, judge the combustion system actual operating mode and whether meet design requirement, thereby combustion system is carried out parameter optimization.
Further, whether the described analysis-by-synthesis of passing through record data is judged the combustion system actual operating mode and is met design requirement, and comprises thereby combustion system is carried out parameter optimization:
By the flue-gas temperature analysis, when the exhaust gas temperature of bringing-up section is higher than 300 ℃, then reduce accumulation of heat smoke evacuation ratio;
When the exhaust gas temperature of bringing-up section is lower than 250 ℃, then increase accumulation of heat smoke evacuation ratio;
When the bringing-up section CO content in smoke is higher than 100ppm, then adjust the space gas ratio, increase air capacity;
O in the bringing-up section flue gas
2When content is higher than 5%, then adjust the space gas ratio, reduce air capacity.
Further, describedly draw the control valve characteristic curve to regulating the valve characteristic test, combustion system is optimized comprises:
Be in the production status process at heating furnace, corresponding flow under the different opening between the test control valve 0-100%, pass through measurement data, draw the corresponding relation curve of flow and aperture, find out valve optimum working zone and maximum functional flow by curve, thereby combustion system is carried out parameter optimization.
A kind of slab recuperative heater combustion system optimization method provided by the invention, by system data is measured, and measurement data carried out computational analysis, the operating problem of discovery system, by optimizing and revising of parameter, so that heating furnace reaches optimal operational condition, thereby realize the high-quality of heating furnace, highly efficient and productive and energy-conservation purpose.
And regularly carry out above surveying work, can grasp the running status of heating furnace different times, be convenient to the direction of clear and definite system optimization.
Description of drawings
Fig. 1 is the combustion system pressure measxurement position schematic diagram that example of the present invention provides;
Fig. 2 is the flow characteristics of regulating valve curve synoptic diagram that example of the present invention provides.
The specific embodiment
A kind of slab recuperative heater combustion system optimization method provided by the invention comprises following step:
Step S1: flue site pressure, temperature are measured, and contrasted with design parameter, analyze heat exchanger, flue shutter actual motion effect, heat exchanger and flue shutter are optimized;
Step S2: heat-accumulating burner exhaust gas temperature, smoke components are measured, and analytic combustion system actual condition is optimized combustion system;
Step S3: to regulating the valve characteristic test, draw the control valve characteristic curve, combustion system is optimized.
Above step does not have strict order, can adjust as required.
Wherein, step S1 measures flue site pressure, temperature, and contrasts with design parameter, analyzes heat exchanger, flue shutter actual motion effect, and heat exchanger and flue shutter are optimized and comprise:
Step S11: offer measured hole at the heating furnace flue.
Step S12: at first measure flue-gas temperature and air gas preheating temperature under the declared working condition, then measure the heating furnace flue, the pressure at sky, gas change heater and each position of flue shutter.Flue site pressure of the present invention, temperature survey analysis are to realize like this.System comprises chimney 1, flue valve plate 5, gas change heater 2, air heat exchanger 3, dilution air 7, flue collector 4 and vertical heating flue 6 as shown in Figure 1.The heating furnace flue all designs measured hole.During measurement, flue-gas temperature and air gas preheating temperature under the record declared working condition, then thermocouple for measuring temperature is removed, adopt the stainless steel tube of DN8 to connect micromanometer by band tubing, measure the heating furnace flue, gas change heater 2, the pressure at air heat exchanger 3, flue shutter 5 each position, measurement data result and measurement heating stove process data are as shown in table 1.
Table 1 system pressure measurement data record table
Step S13: the drag losses that calculates each position according to the temperature of measuring and pressure data, and analyze comparison with design load;
Step S14: carry out design optimization according to analysis result heat exchanger, flue shutter.
The drag losses that step S13 calculates each position according to the temperature of measuring and pressure data, and analyze relatively with design load and to comprise:
Step S131: obtain total exhaust smoke level by " total exhaust smoke level=gas using quantity * [amount of theoretical flue gas+theoretical air requirement * (coefficient of excess air-1)] ";
Total exhaust smoke level=gas using quantity * [amount of theoretical flue gas+theoretical air requirement * (coefficient of excess air-1)] 1.
=27255×[2.79+2.08×（1.15-1）]
=84543Nm
3/h。
Step S132: obtain to calculate exhaust gas volumn by " calculating exhaust gas volumn=total exhaust smoke level-accumulation of heat exhaust smoke level ".
The calculating exhaust gas volumn=total exhaust smoke level-the accumulation of heat exhaust smoke level 2.
=84543-60834=23709Nm
3/h。
Step S133: show such as data in the table 2, obtain calculating flue gas flow by " calculating the air capacity of flue gas flow=calculatings exhaust gas volumn+enter ".
Table 2 measurement result analytical table
Step S134: table 3 is the test result analysis table, by " the location drag losses measured value * of position drag losses reduced value=institute that surveys (flue gas flow design value/calculating flue gas flow)
2Obtain the position drag losses reduced value of surveying.
Table 3 measurement result analytical table
1) vertical heating flue drag losses reduced value=vertical heating flue drag losses measured value * (flue gas flow design value/calculating flue gas flow)
2=32.5*(34726/25416)
2=61Pa.
2) air heat exchanger drag losses reduced value=air heat exchanger drag losses measured value * (flue gas flow design value/calculating flue gas flow)
2=10*(34726/25416)
2=61Pa.
3) gas change heater drag losses reduced value=gas change heater drag losses measured value * (flue gas flow design value/calculating flue gas flow)
2=110*(34726/25416)
2=205Pa.
4) flue shutter drag losses reduced value=flue shutter drag losses measured value * (flue gas flow design value/calculating flue gas flow)
2=50*(34726/25416)
2=93Pa.
Step S135: institute's survey position drag losses reduced value and design load are analyzed comparison, obtain the deviation value of position drag losses reduced value and the design load surveyed.
Step S14 carries out design optimization specifically according to analysis result heat exchanger, flue shutter, carries out parameter designing and equipment optimization according to deviation value heat exchanger, the flue shutter of survey position drag losses reduced value and design load.According to Data Comparison in the table 3, can judge in the SR loss item, the drag losses off-design value of gas change heater is more.Need gas change heater is redesigned and makes.
Table 4 is to move steel heater Algorithm Stability of Gas Turbine Performance instance data table.Can find out from tables of data, in order to reduce resistance loss of sewage heat exchanger, Tube Sheet of Heat Exchanger group quantity is reduced to 432 by 756, with caliber by
Change to
Tube pitch is changed to 150/110mm by 98/94mm.By above optimization, so that the maximum flue gas resistance of heat exchanger reduces 45Pa by 180Pa.
Data Comparison table before and after table 4 Algorithm Stability of Gas Turbine Performance
More than need to carry out result verification through 3～5 measurements and analysis, simultaneously, during test, can be by the drag losses of system in the different flue shutter aperture situations of test, whether the drag losses of checking flue shutter meets design requirement.
Carry out design optimization according to analysis result heat exchanger, flue shutter, each the site pressure loss of assurance system meets design requirement, thereby can effectively avoid the fluctuation of furnace pressure, even out of control.
Step S2 measures heat-accumulating burner exhaust gas temperature, smoke components, and analytic combustion system actual condition is optimized combustion system and comprises:
Step S21: detect heat-accumulating burner flue-gas temperature, CO content, NO
XContent and O
2Content, simultaneously, record combustion system gas flow, air mass flow, space gas ratio, accumulation of heat smoke evacuation ratio and residual oxygen analytical instrument testing result.Heat-accumulating burner exhaust gas temperature of the present invention, smoke components measurement are to realize like this.By in the empty flue gas common line of each heat-accumulating burner test point being set, in the heating furnace normal productive process, the flue gas that adopts flue gas analyzer that each burner is discharged detects.Wherein, can detect flue-gas temperature, CO content, NO
XContent, O
2Content.Detect simultaneously, record combustion system gas flow, air mass flow, space gas ratio, accumulation of heat smoke evacuation ratio, residual oxygen analytical instrument testing result, record the results are shown in Table 5 and table 6.
The main thermal parameter record sheet of table 5 combustion system
Each bringing-up section burner exhaust gas temperature of table 6 and smoke components surveying record tables of data
Step S22: by the analysis-by-synthesis to record data, judge the combustion system actual operating mode and whether meet design requirement, thereby combustion system is carried out parameter optimization.By the flue-gas temperature analysis, when the exhaust gas temperature of bringing-up section is higher than 300 ℃, then reduce accumulation of heat smoke evacuation ratio; When the exhaust gas temperature of bringing-up section is lower than 250 ℃, then increase accumulation of heat smoke evacuation ratio; When the bringing-up section CO content in smoke is higher than 100ppm, then adjust the space gas ratio, increase air capacity; O in the bringing-up section flue gas
2When content is higher than 5%, then adjust the space gas ratio, suitably reduce air capacity.Measured data sees Table 6, and data can be found out from table 6, and the position that the flue gas exhaust gas temperature is too high is such as the slab side: preheating section NO.4 burner, a bringing-up section NO.3 burner and NO.4 burner, two bringing-up section NO.3 burners; Rolling side: preheating section NO.3 burner, two bringing-up section NO.1 burners and NO.3 burner need to reduce smoking gas ratio.In the actual production smoking gas ratio of preheating section and two bringing-up sections is down to 72% by 75%, the smoking gas ratio of a bringing-up section is down to 75% by 80%, the too high problem of flue-gas temperature is resolved.CO too high levels, O
2The position that content is excessively low shows the coal gas burn incompletely, needs to improve the space gas ratio.Such as slab side two bringing-up sections.Space gas ratio with two bringing-up sections in the actual production is increased to 2.5 by 2.3, and each burner CO content in smoke all is down to below the 40ppm, O
2% remains on 2% substantially, and after adjusting by this, combustion system is in preferably duty.
Step S3 draws the control valve characteristic curve to regulating the valve characteristic test, and combustion system is optimized.Specifically: be in the production status process at heating furnace, corresponding flow under the different opening between the test control valve 0-100%, table 7 is control valve characteristic test data loggers.
Table 7 control valve characteristic test data logger
By measurement data, draw the corresponding relation curve of flow and aperture, curve map as shown in Figure 2, each bringing-up section control valve maximum stream flow is as shown in table 8.With valve characteristic curve and maximum stream flow input combustion control system, as valve control foundation, thus the accurate control of realization combustion system.Simultaneously, grasp the valve optimum working zone by valve characteristic curve, two to add with two and add lower gas flow control valve characteristic curve such as Fig. 2, as can be seen from Figure 2, two add with two and add the linear work zone of lower gas flow control valve 15%～40%, therefore, aborning as far as possible the by-pass valve control aperture in 15%～40% scope.
Each bringing-up section control valve maximum stream flow of table 8
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a slab recuperative heater combustion system optimization method is characterized in that, comprising:
Flue site pressure, temperature are measured, and contrasted with design parameter, analyze heat exchanger, flue shutter actual motion effect, heat exchanger and flue shutter are optimized;
Heat-accumulating burner exhaust gas temperature, smoke components are measured, and analytic combustion system actual condition is optimized combustion system;
To regulating the valve characteristic test, draw the control valve characteristic curve, combustion system is optimized.
2. slab recuperative heater combustion system optimization method as claimed in claim 1, it is characterized in that, described flue site pressure, temperature are measured, and contrast with design parameter, analyze heat exchanger, flue shutter actual motion effect, heat exchanger and flue shutter are optimized and comprise:
Measure flue-gas temperature and air gas preheating temperature under the declared working condition;
Measure the heating furnace flue, the pressure at sky, gas change heater and each position of flue shutter;
The drag losses that calculates each position according to the temperature of measuring and pressure data, and analyze comparison with design load;
Carry out design optimization according to analysis result heat exchanger, flue shutter.
3. slab recuperative heater combustion system optimization method as claimed in claim 2 is characterized in that, describedly also comprises before the flue-gas temperature and air gas preheating temperature at first measuring under the declared working condition:
Offer measured hole at the heating furnace flue.
4. slab recuperative heater combustion system optimization method as claimed in claim 2 is characterized in that, described temperature and the pressure data drag losses that calculates each position according to measuring, and analyze relatively with design load and to comprise:
Obtain total exhaust smoke level by " total exhaust smoke level=gas using quantity * [amount of theoretical flue gas+theoretical air requirement * (coefficient of excess air-1)] ";
Obtain to calculate exhaust gas volumn by " calculating exhaust gas volumn=total exhaust smoke level-accumulation of heat exhaust smoke level ";
Obtain calculating flue gas flow by " calculating the air capacity of flue gas flow=calculatings exhaust gas volumn+enter ";
By " the location drag losses measured value * of position drag losses reduced value=institute that surveys (flue gas flow design value/calculating flue gas flow)
2Obtain the position drag losses reduced value of surveying;
Institute's survey position drag losses reduced value and design load are compared, carry out parameter designing and equipment optimization according to deviation value heat exchanger, flue shutter.
5. slab recuperative heater combustion system optimization method as claimed in claim 4 is characterized in that, described heat-accumulating burner exhaust gas temperature, smoke components is measured, and analytic combustion system actual condition is optimized combustion system and comprises:
Detect heat-accumulating burner flue-gas temperature, CO content, NO
XContent and O
2Content;
Simultaneously, record combustion system gas flow, air mass flow, space gas ratio, accumulation of heat smoke evacuation ratio and residual oxygen analytical instrument testing result;
By the analysis-by-synthesis to record data, judge the combustion system actual operating mode and whether meet design requirement, thereby combustion system is carried out parameter optimization.
6. slab recuperative heater combustion system optimization method as claimed in claim 5, it is characterized in that, whether the described analysis-by-synthesis of passing through record data is judged the combustion system actual operating mode and is met design requirement, and comprises thereby combustion system is carried out parameter optimization:
By the flue-gas temperature analysis, when the exhaust gas temperature of bringing-up section is higher than 300 ℃, then reduce accumulation of heat smoke evacuation ratio;
When the exhaust gas temperature of bringing-up section is lower than 250 ℃, then increase accumulation of heat smoke evacuation ratio;
When the bringing-up section CO content in smoke is higher than 100ppm, then adjust the space gas ratio, increase air capacity;
O in the bringing-up section flue gas
2When content is higher than 5%, then adjust the space gas ratio, reduce air capacity.
7. slab recuperative heater combustion system optimization method as claimed in claim 6 is characterized in that, describedly draws the control valve characteristic curve to regulating the valve characteristic test, combustion system is optimized comprise:
Be in the production status process at heating furnace, corresponding flow under the different opening between the test control valve 0-100%, pass through measurement data, draw the corresponding relation curve of flow and aperture, find out valve optimum working zone and maximum functional flow by curve, thereby combustion system is carried out parameter optimization.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976638A (en) * | 2014-04-02 | 2015-10-14 | 杨超 | Coal-burning boiler energy-saving method and apparatus |
| CN108709653A (en) * | 2018-05-11 | 2018-10-26 | 河钢股份有限公司承德分公司 | A kind of heating furnace board briquette detection method and terminal device |
| CN112285158A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN112944932A (en) * | 2021-02-25 | 2021-06-11 | 首钢京唐钢铁联合有限责任公司 | Regenerative heating furnace and smoke discharge control method and control system thereof |
| CN115323158A (en) * | 2022-08-23 | 2022-11-11 | 北京首钢股份有限公司 | Method for improving productivity of heating furnace of hot continuous rolling production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1060536A (en) * | 1996-08-19 | 1998-03-03 | Nkk Corp | Continuous type heating furnace |
| JPH11323431A (en) * | 1998-05-13 | 1999-11-26 | Nkk Corp | Method and device for controlling temperature of heating furnace |
| JP2006104490A (en) * | 2004-09-30 | 2006-04-20 | Jfe Steel Kk | Combustion control method of continuous heating furnace |
| CN101165406A (en) * | 2006-10-19 | 2008-04-23 | 鞍钢股份有限公司 | Heat storage type combustion method for prolonging reversal time |
| CN101517100A (en) * | 2006-09-13 | 2009-08-26 | 法孚斯坦因公司 | Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| CN102242249A (en) * | 2011-06-30 | 2011-11-16 | 首钢总公司 | Heating device for improving heating quality of steel billets and using method thereof |
-
2012
- 2012-07-05 CN CN201210231742.6A patent/CN102853448B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1060536A (en) * | 1996-08-19 | 1998-03-03 | Nkk Corp | Continuous type heating furnace |
| JPH11323431A (en) * | 1998-05-13 | 1999-11-26 | Nkk Corp | Method and device for controlling temperature of heating furnace |
| JP2006104490A (en) * | 2004-09-30 | 2006-04-20 | Jfe Steel Kk | Combustion control method of continuous heating furnace |
| CN101517100A (en) * | 2006-09-13 | 2009-08-26 | 法孚斯坦因公司 | Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| CN101165406A (en) * | 2006-10-19 | 2008-04-23 | 鞍钢股份有限公司 | Heat storage type combustion method for prolonging reversal time |
| CN102242249A (en) * | 2011-06-30 | 2011-11-16 | 首钢总公司 | Heating device for improving heating quality of steel billets and using method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976638A (en) * | 2014-04-02 | 2015-10-14 | 杨超 | Coal-burning boiler energy-saving method and apparatus |
| CN108709653A (en) * | 2018-05-11 | 2018-10-26 | 河钢股份有限公司承德分公司 | A kind of heating furnace board briquette detection method and terminal device |
| CN112285158A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN112285158B (en) * | 2020-10-29 | 2022-03-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN112944932A (en) * | 2021-02-25 | 2021-06-11 | 首钢京唐钢铁联合有限责任公司 | Regenerative heating furnace and smoke discharge control method and control system thereof |
| CN115323158A (en) * | 2022-08-23 | 2022-11-11 | 北京首钢股份有限公司 | Method for improving productivity of heating furnace of hot continuous rolling production line |
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| CN102853448B (en) | 2015-05-06 |
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