CN108731025A - A kind of heater for rolling steel combustion control system and control method - Google Patents
A kind of heater for rolling steel combustion control system and control method Download PDFInfo
- Publication number
- CN108731025A CN108731025A CN201810568910.8A CN201810568910A CN108731025A CN 108731025 A CN108731025 A CN 108731025A CN 201810568910 A CN201810568910 A CN 201810568910A CN 108731025 A CN108731025 A CN 108731025A
- Authority
- CN
- China
- Prior art keywords
- gas
- heater
- flue gas
- rolling steel
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
- F27D2019/0043—Amount of air or O2 to the burner
Abstract
The invention discloses a kind of heater for rolling steel combustion control system and control methods, have：Heater for rolling steel, flue gas detecting system, data acquisition control system；Flue gas detecting system includes gas sampling gun, tracheae and flue gas analyzer, gas sampling gun is taken to be inserted into heater for rolling steel, takes tracheae connection gas sampling gun and flue gas analyzer；Data acquisition control system includes controller, air flow valve and gas flow valve, controller is connect by circuit with flue gas analyzer, air flow valve and gas flow valve, based on sectional combustion control theory and applied widely, transformation difficulty is small, easy for installation, use cost is low, detection ingredient is more, easy to maintain.
Description
Technical field
The invention belongs to technical field of energy saving and environmental protection more particularly to a kind of heater for rolling steel combustion control system and controlling parties
Method.
Background technology
At present both at home and abroad there are mainly two types of the Combustion System design methods of mainstream heating furnace producer：The first is to pass through calorific value
Instrument detects calorific value of gas, calculates burning required air quantity, regulates and controls each section of air-fuel ratio of heating furnace, controls combustion atmosphere in stove；The
Two kinds be flue gas in on-line checking furnace flue remaining oxygen (zirconium oxide detection), burnt to heating furnace according to remaining oxygen
Control.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems：For the first side
Main problem existing for formula is that 1. combustion method caloric value instrument cannot reflect gas composition, it is impossible to accurately provide air-fuel ratio；2. due to
Impurity causes the accuracy of air, gas flow meter that can not ensure in air, coal gas；3. caloric value instrument is superimposed with flowmeter error and leads
Cause air-fuel ratio accuracy that can not ensure.It is to be only capable of the burning feelings of reflection discharge flue gas for main problem existing for the second way
Condition cannot represent each computer heating control section Actual combustion effect.Problem above is industry common problem, and analysis can for these reasons
To find out, at present under the premise of no precise air-fuel ratio, can not be achieved by the operation mode of artificial experience adjusting air-fuel ratio
Heating furnace optimum combustion control, the target for reducing oxidization burning loss rate and burnup.
Invention content
Technical problem to be solved by the invention is to provide it is a kind of based on it is sectional combustion control theory and applied widely,
Transformation difficulty is small, easy for installation, use cost is low, more, the easy to maintain heater for rolling steel combustion control system of detection ingredient and
Control method.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：A kind of heater for rolling steel Combustion System
System has：
Heater for rolling steel, flue gas detecting system, data acquisition control system；
The flue gas detecting system includes gas sampling gun, tracheae and flue gas analyzer, the gas sampling gun is taken to be inserted into
It is described that tracheae is taken to connect the gas sampling gun and flue gas analyzer in the heater for rolling steel；
The data acquisition control system includes controller, air flow valve and gas flow valve, and the controller passes through
Circuit is connect with the flue gas analyzer, air flow valve and gas flow valve.
The heater for rolling steel includes furnace body, and the furnace body is equipped with air feed system, combustion system and smoke evacuation system.
The heater for rolling steel include preheating, heating, soaking bringing-up section, each section be equipped with independent flue gas detecting system and
Data acquisition control system, the furnace body pressure should be controlled in 0~-20Pa.
The gas sampling gun is inserted perpendicularly into burner hearth from tested bringing-up section furnace roof near middle position trepanning.
The gas sampling gun uses two segment structures, i.e., burner hearth internal high temperature section is using high-purity corundum material, outside burner hearth
Portion's low-temperature zone uses stainless steel；Gas sampling gun is inserted into 400mm~600mm inside burner hearth；Gas sampling gun stainless steel
Metal filter screen is arranged in matter section.
It is described to take tracheae and use stainless steel；Air pipe sleeve is taken to have adiabatic electrical heat tracing pipe, heating and temperature control
At 120~180 DEG C；Tracheae is taken to access the anti-purge system of nitrogen before entering flue gas analyzer system, nitrogen pressure is not less than
0.2MPa；It often draws tracheae and corresponds to a set of flue gas analyzer system.
Every flue gas analyzer system detectio smoke components are O2、CO、CO2,NO；O2Using electrochemistry or pyromagnetic principle,
CO、CO2, NO use infrared principles, measurement range CO：0~10000ppm, O2：0~25.00%, CO2：0~30.00%；NO：0
~500ppm.
A kind of control method of above-mentioned heater for rolling steel combustion control system, includes the following steps：
1) O in each control section smoke components is preset2, CO content control ranges；
O2, CO content control range suggestions：Heat one section of O2：1.5%~2.5%, two sections of O are heated2：1.0%~2.0%,
Heat three sections of O2：0.8%~1.5%, soaking zone O2：1.0%~2.5%, each section of CO：0~3000ppm, due to different heating-furnace
O in flue gas2, CO related receptors to gas composition, the uniform sexual factor of combustion efficiency, flue gas influence, need to combine CO2Situation carries out
Adjustment, verification are advanced optimized, it is another to ensure that NOx emission is up to standard in flue gas, need foundation NO to O2, CO contents control range into
It advances a successive step；
2) by taking the control of single bringing-up section as an example, each section individually controls heating furnace burning optimization process-according to this process：
1. dynamic detection compares O in burner hearth2With CO contents, judge that burning deviation state-works as O2More than setting range space-time
Gas is excessive, and when CO is more than setting range, coal gas is excessive；
2. controlling temperature in setting range：O2It is excessive, reduce air mass flow；CO is excessive, reduces gas flow；
3. if control temperature is higher than setting maximum value：Gas flow and air mass flow are reduced step by step, then 1. by step
2. optimize combustion state with step；If controlling temperature less than setting minimum value：Increase air mass flow and gas flow step by step, then
1. 2. optimize combustion state with step by step；
4. by 1.~3. loop optimization adjust air mass flow and gas flow and make O in burner hearth2With CO contents in content
In control range, burning is in optimal combustion state in stove.
Air mass flow and gas flow control air flow valve and gas flow valve to adjust by controller.
A technical solution in above-mentioned technical proposal has the following advantages that or advantageous effect, based on sectional combustion control reason
Opinion and it is applied widely, transformation difficulty is small, easy for installation, use cost is low, detection ingredient it is more, easy to maintain, realize reduction
Oxidization burning loss and energy consumption improve product quality and lumber recovery, the target increased economic efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the heater for rolling steel combustion control system provided in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the data acquisition control system of Fig. 1；
Label in above-mentioned figure is：1, heater for rolling steel, 2, gas sampling gun, 3, take tracheae, 4, flue gas analyzer system
System, 5, data acquisition control system.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referring to Fig. 1-2,1. a kind of heater for rolling steel combustion control system is based on sectional combustion control theory, i.e., to heating
The main each main bringing-up section smoke components (O of stove2、CO、CO2, NO) carry out on-line checking, according to each section of smoke components data, in time
The air stoichiometry for adjusting each section makes each section of smoke components control in zone of reasonableness；2. smoke components sample mode is taken using furnace roof
Gas mode is inserted into burner hearth from tested bringing-up section furnace roof near middle position and extracts flue gas；3. being removed in detection of exhaust gas compositions project
O2, outside CO, increase CO2And NO detected components, CO2It is to O2, the rational further verification of CO control ranges, NO is from environmental protection
Discharge angle has reacted each tested bringing-up section combustion efficiency.
The technical solution is mainly made of heater for rolling steel, flue gas detecting system, data acquisition control system etc..
Heater for rolling steel is mainly by furnace body, air feed system, combustion system (being disposed with several space gas burners in burner hearth), row
The compositions such as cigarette system.Purpose is to be evenly heated steel billet using space gas, according to heating cycle, meets next step steel rolling needs.Combustion
Burning system is divided into the bringing-up sections such as preheating, heating, soaking according to heating temperature difference.1. to ensure the reality of sectional combustion control theory
Existing, each bringing-up section combustion control system must have relatively independent control function, you can with independent control heating temperature and flue gas
Ingredient；2. to ensure that the uniformity and representativeness of smoke components, furnace pressure should be controlled at micro-vacuum state (about 0~-20Pa).
Flue gas detecting system mainly by gas sampling gun, take tracheae, flue gas analyzer system etc. and form.Sample mode uses
Furnace roof extracts gas mode, i.e. gas sampling gun is inserted perpendicularly into burner hearth from tested bringing-up section furnace roof near middle position trepanning.To gas
For body sampling gun：1. to ensure that gas sampling gun can be applicable in (flue-gas temperature is up to 1350 DEG C), gas under worst hot case
Body sampling gun uses 2 segment structures, i.e. burner hearth internal high temperature section to use high-purity corundum (AL2O398% or more content) material, burner hearth
Outer low temperature section uses stainless steel；2. to ensure that the uniformity and representativeness of smoke sampling ingredient, gas sampling gun are inserted into
400mm~600mm inside burner hearth；3. to prevent exhaust gas dust from blocking, metal mistake is set in gas sampling gun stainless steel section
Strainer.For taking tracheae, stainless steel is 1. used；2. to prevent flue gas flue gas condensing in extraction process from resistance being caused to increase
Greatly, it is cased with adiabatic electrical heat tracing pipe outside probe tube, heating and temperature control is at 120~180 DEG C；3. to prevent filter screen from blocking,
Tracheae is taken to access the anti-purge system of nitrogen before entering flue gas analyzer system, nitrogen pressure is not less than 0.2MPa.To flue gas point
For analyzer system, 1. often draws tracheae and correspond to a set of flue gas analyzer system；2. every flue gas analyzer system detectio flue gas
Ingredient is O2、CO、CO2, NO,；③O2Using electrochemistry or pyromagnetic principle, CO, CO2, NO use infrared principles, measurement range CO：
0~10000ppm, O2：0~25.00%, CO2：0~30.00%；NO：0~500ppm；4. it is equipped with preposition gas handling system,
The processing functions such as filtering, cooled dehydrated (cooling temperature controls within 5 DEG C), refined dedusting before realization flue gas inspection.
Data acquisition control system main purpose is each control section flue gas for acquiring online flue gas detecting system in real time and transmitting
Compositional data, according to pre-set each section of control temperature and smoke components control range, adjust in real time each section of gas volume and
Air, gas proportion realize the purpose of combustion control.
Steel billet enters from heater for rolling steel preheating section, goes out from heater for rolling steel soaking zone, flue gas flow direction is in contrast.Pass through
Trepanning mode is inserted into installation gas sampling gun near heater for rolling steel bringing-up section, soaking zone furnace roof centre position, by taking gas
Pipe is connected with flue gas analyzer system, and flue gas analyzer system is connected by data line and data acquisition control system.
Application method
1) O in each control section smoke components is preset2, CO content control ranges
O2, CO content control range suggestions：One plus section O2：1.5%~2.5%, two plus section O2：1.0%~2.0%, three add
Section O2：0.8%~1.5%, soaking zone O2：1.0%~2.5%, each section of CO：0~3000ppm, due in different heating kiln gas
O2, CO related receptors to gas composition, combustion efficiency, the factors such as flue gas uniformity influence, need to combine CO2Situation into advance one
Step is optimized and revised, is verified, another to ensure that NOx emission is up to standard in flue gas, needs foundation NO to O2, CO contents control range is into traveling
One successive step.
2) heating furnace burning optimization process (by taking the control of single bringing-up section as an example, each section individually controls according to this process)：
1. dynamic detection compares O in burner hearth2With CO contents, judge that burning deviation state (works as O2Air when more than setting range
Excessive, when CO is more than setting range, coal gas is excessive)；
2. controlling temperature in setting range：O2It is excessive, reduce air mass flow；CO is excessive, reduces gas flow；
3. controlling temperature higher than setting maximum value：Gas flow and air mass flow are reduced step by step, then by 1. and 2. optimizing
Combustion state；
4. controlling temperature less than setting minimum value：Increase air mass flow and gas flow step by step, then by 1. and 2. optimizing
Combustion state；
5. by 1.~4. loop optimization adjust air mass flow and gas flow and make O in burner hearth2With CO contents in content
In control range, burning is in optimal combustion state in stove.
After above-mentioned scheme, based on sectional combustion control theory and applied widely, transformation difficulty is small, installation side
Just, use cost is low, detection ingredient is more, easy to maintain, and realizing reduces oxidization burning loss and energy consumption, improves product quality and become a useful person
Rate, the target increased economic efficiency.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (9)
1. a kind of heater for rolling steel combustion control system, which is characterized in that have：
Heater for rolling steel, flue gas detecting system, data acquisition control system；
The flue gas detecting system includes gas sampling gun, takes tracheae and flue gas analyzer, described in the gas sampling gun is inserted into
It is described that tracheae is taken to connect the gas sampling gun and flue gas analyzer in heater for rolling steel；
The data acquisition control system includes controller, air flow valve and gas flow valve, and the controller passes through circuit
It is connect with the flue gas analyzer, air flow valve and gas flow valve.
2. heater for rolling steel combustion control system as described in claim 1, which is characterized in that the heater for rolling steel includes stove
Body, the furnace body are equipped with air feed system, combustion system and smoke evacuation system.
3. heater for rolling steel combustion control system as claimed in claim 2, which is characterized in that the heater for rolling steel includes pre-
Heat, heating, soaking bringing-up section, each section is equipped with independent flue gas detecting system and data acquisition control system, the furnace body pressure
Power should be controlled in 0~-20Pa.
4. heater for rolling steel combustion control system as claimed in claim 3, which is characterized in that the gas sampling gun is from tested
Bringing-up section furnace roof near middle position trepanning is inserted perpendicularly into burner hearth.
5. heater for rolling steel combustion control system as claimed in claim 4, which is characterized in that the gas sampling gun uses two
Segment structure, i.e. burner hearth internal high temperature section use stainless steel using high-purity corundum material, burner hearth outer low temperature section；Gas takes
Sample rifle is inserted into 400mm~600mm inside burner hearth；Metal filter screen is arranged in gas sampling gun stainless steel section.
6. heater for rolling steel combustion control system as claimed in claim 5, which is characterized in that described to take tracheae and use stainless
Steel material；Air pipe sleeve is taken to have adiabatic electrical heat tracing pipe, heating and temperature control is at 120~180 DEG C；Take tracheae into flue gas
The anti-purge system of nitrogen is accessed before analyzer system, nitrogen pressure is not less than 0.2MPa；It often draws tracheae and corresponds to a set of flue gas point
Analyzer system.
7. heater for rolling steel combustion control system as claimed in claim 6, which is characterized in that every flue gas analyzer system inspection
Survey smoke components are O2、CO、CO2,NO；O2Using electrochemistry or pyromagnetic principle, CO, CO2, NO use infrared principles, measurement range
CO：0~10000ppm, O2：0~25.00%, CO2：0~30.00%；NO：0~500ppm.
8. a kind of control method of heater for rolling steel combustion control system as described in claim 1-7 is any, which is characterized in that
Include the following steps：
1) O in each control section smoke components is preset2, CO content control ranges；
O2, CO content control range suggestions：Heat one section of O2：1.5%~2.5%, two sections of O are heated2：1.0%~2.0%, it heats
Three sections of O2：0.8%~1.5%, soaking zone O2：1.0%~2.5%, each section of CO：0~3000ppm, due to different heating kiln gas
Middle O2, CO related receptors to gas composition, the uniform sexual factor of combustion efficiency, flue gas influence, need to combine CO2Situation into advance one
Step is optimized and revised, is verified, another to ensure that NOx emission is up to standard in flue gas, needs foundation NO to O2, CO contents control range is into traveling
One successive step；
2) by taking the control of single bringing-up section as an example, each section individually controls heating furnace burning optimization process-according to this process：
1. dynamic detection compares O in burner hearth2With CO contents, judge that burning deviation state-works as O2Air mistake when more than setting range
Amount, when CO is more than setting range, coal gas is excessive；
2. controlling temperature in setting range：O2It is excessive, reduce air mass flow；CO is excessive, reduces gas flow；
3. if control temperature is higher than setting maximum value：Gas flow and air mass flow are reduced step by step, then 1. and are walked by step
Suddenly 2. optimize combustion state；If controlling temperature less than setting minimum value：Increase air mass flow and gas flow step by step, then passes through
1. 2. step optimizes combustion state with step；
4. by 1.~3. loop optimization adjust air mass flow and gas flow and make O in burner hearth2With CO contents model is controlled in content
In enclosing, burning is in optimal combustion state in stove.
9. the control method of heater for rolling steel combustion control system as claimed in claim 8, which is characterized in that air mass flow and
Gas flow controls air flow valve and gas flow valve to adjust by controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568910.8A CN108731025A (en) | 2018-06-05 | 2018-06-05 | A kind of heater for rolling steel combustion control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568910.8A CN108731025A (en) | 2018-06-05 | 2018-06-05 | A kind of heater for rolling steel combustion control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108731025A true CN108731025A (en) | 2018-11-02 |
Family
ID=63932391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810568910.8A Pending CN108731025A (en) | 2018-06-05 | 2018-06-05 | A kind of heater for rolling steel combustion control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108731025A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489064A (en) * | 2018-12-06 | 2019-03-19 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control device and control method |
| CN110030839A (en) * | 2019-04-15 | 2019-07-19 | 重庆赛迪热工环保工程技术有限公司 | A kind of combination type heating furnace low NOx combustion system and its control method |
| CN110333326A (en) * | 2019-08-07 | 2019-10-15 | 马鞍山钢铁股份有限公司 | A kind of sintering circulating flue gas simulation system and experimental method |
| CN111156541A (en) * | 2020-01-06 | 2020-05-15 | 深能合和电力（河源）有限公司 | Fine combustion optimization method and system for coal-fired power plant boiler |
| CN112710161A (en) * | 2020-12-29 | 2021-04-27 | 马鞍山钢铁股份有限公司 | Pure oxygen combustion control system and control method of steel rolling heating furnace |
| CN113446867A (en) * | 2021-05-31 | 2021-09-28 | 马鞍山钢铁股份有限公司 | Segmented monitoring and early warning system for NOx in flue gas of steel rolling heating furnace and NOx control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579622A (en) * | 1991-09-18 | 1993-03-30 | Hitachi Ltd | Method for controlling combustion by control of oxygen concentration in combustion furnace |
| JPH10245611A (en) * | 1997-03-07 | 1998-09-14 | Nippon Steel Corp | Method for controlling hot stove |
| CN202730195U (en) * | 2012-07-19 | 2013-02-13 | 武汉钢铁(集团)公司 | Online test tracking device for steel billet surface atmosphere inside furnace |
| CN203365411U (en) * | 2013-07-31 | 2013-12-25 | 首钢总公司 | System for detecting compositions of furnace gas in heating furnace |
| CN104633698A (en) * | 2014-12-12 | 2015-05-20 | 北京首钢自动化信息技术有限公司 | System and method for automatically controlling content of residual oxygen in regenerative heating furnace |
| CN105547000A (en) * | 2016-02-02 | 2016-05-04 | 上海策立工程技术有限公司 | Routing inspection type flue gas adjusting system and method of rolled steel based double-heat-accumulation type heating furnace |
| CN106766883A (en) * | 2016-12-23 | 2017-05-31 | 鞍钢集团信息产业（大连）工程有限公司 | A kind of recuperative heater optimum combustion control system and method |
| CN206756764U (en) * | 2017-05-22 | 2017-12-15 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A kind of performance characterization device of catalyst for denitrating flue gas |
| CN107764076A (en) * | 2017-11-20 | 2018-03-06 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control system and control method |
| CN208687779U (en) * | 2018-06-05 | 2019-04-02 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control system |
-
2018
- 2018-06-05 CN CN201810568910.8A patent/CN108731025A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579622A (en) * | 1991-09-18 | 1993-03-30 | Hitachi Ltd | Method for controlling combustion by control of oxygen concentration in combustion furnace |
| JPH10245611A (en) * | 1997-03-07 | 1998-09-14 | Nippon Steel Corp | Method for controlling hot stove |
| CN202730195U (en) * | 2012-07-19 | 2013-02-13 | 武汉钢铁(集团)公司 | Online test tracking device for steel billet surface atmosphere inside furnace |
| CN203365411U (en) * | 2013-07-31 | 2013-12-25 | 首钢总公司 | System for detecting compositions of furnace gas in heating furnace |
| CN104633698A (en) * | 2014-12-12 | 2015-05-20 | 北京首钢自动化信息技术有限公司 | System and method for automatically controlling content of residual oxygen in regenerative heating furnace |
| CN105547000A (en) * | 2016-02-02 | 2016-05-04 | 上海策立工程技术有限公司 | Routing inspection type flue gas adjusting system and method of rolled steel based double-heat-accumulation type heating furnace |
| CN106766883A (en) * | 2016-12-23 | 2017-05-31 | 鞍钢集团信息产业（大连）工程有限公司 | A kind of recuperative heater optimum combustion control system and method |
| CN206756764U (en) * | 2017-05-22 | 2017-12-15 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A kind of performance characterization device of catalyst for denitrating flue gas |
| CN107764076A (en) * | 2017-11-20 | 2018-03-06 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control system and control method |
| CN208687779U (en) * | 2018-06-05 | 2019-04-02 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489064A (en) * | 2018-12-06 | 2019-03-19 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control device and control method |
| CN110030839A (en) * | 2019-04-15 | 2019-07-19 | 重庆赛迪热工环保工程技术有限公司 | A kind of combination type heating furnace low NOx combustion system and its control method |
| CN110333326A (en) * | 2019-08-07 | 2019-10-15 | 马鞍山钢铁股份有限公司 | A kind of sintering circulating flue gas simulation system and experimental method |
| CN110333326B (en) * | 2019-08-07 | 2024-04-16 | 马鞍山钢铁股份有限公司 | Sintering circulation flue gas simulation system and experimental method |
| CN111156541A (en) * | 2020-01-06 | 2020-05-15 | 深能合和电力（河源）有限公司 | Fine combustion optimization method and system for coal-fired power plant boiler |
| CN112710161A (en) * | 2020-12-29 | 2021-04-27 | 马鞍山钢铁股份有限公司 | Pure oxygen combustion control system and control method of steel rolling heating furnace |
| CN113446867A (en) * | 2021-05-31 | 2021-09-28 | 马鞍山钢铁股份有限公司 | Segmented monitoring and early warning system for NOx in flue gas of steel rolling heating furnace and NOx control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108731025A (en) | A kind of heater for rolling steel combustion control system and control method | |
| CN106766883B (en) | Optimal combustion control system and method for regenerative heating furnace | |
| CN103672948B (en) | The combustion control system of industrial furnace and control method | |
| CN202274761U (en) | Heating furnace oxidation burning loss optimization atmosphere burning automatic control device | |
| CN102393403B (en) | Device and method for detecting combustion characteristic of tail gas containing high-concentration CO | |
| CN103712468A (en) | Combustion control system and method for lowering oxygenation burning losses of industrial furnace | |
| CN103134328A (en) | Method and device for industrial furnace atmosphere automatic combustion control | |
| CN208687779U (en) | A kind of heater for rolling steel combustion control system | |
| CN104911330B (en) | Gas type roller hearth furnace temperature control method and device | |
| CN107091577A (en) | A kind of online linear scale control combustion system and its control method | |
| CN209131380U (en) | A kind of burning control in heating furnace device based on gas composition analysis mechanism | |
| CN102853448B (en) | Optimization method for combustion system of slab heat accumulating type heating furnace | |
| CN110160082A (en) | A kind of fuel gas method for controlling combustion, system and device | |
| CN108826989A (en) | A kind of radiant tube combustibility thermal modeling test furnace and method | |
| CN104830351A (en) | Control system and method for reducing oxynitride in coke oven waste gas | |
| CN104561514A (en) | Double heat accumulating type steel rolling heating furnace oxidizing atmosphere adjustment method and automatic control method thereof | |
| CN209485041U (en) | A kind of roller way kiln operation debugging system | |
| CN110566962A (en) | Combustion control method of heat accumulating type single-burner aluminum melting furnace with adjustable air-fuel ratio | |
| CN106501015A (en) | A kind of multitubular bundles integrated form radiant tube combustion experimental system and method | |
| CN202658199U (en) | Thermal treating furnace | |
| CN112285158B (en) | Device and method for testing combustion characteristics of metallurgical gas | |
| CN205838912U (en) | A kind of coke oven combustion chamber segmentation supply heater | |
| CN208537256U (en) | SO in a kind of coke oven flue gas2Content detection system | |
| CN209372158U (en) | The measuring system of coke dry quenching furnace air importing flow | |
| CN206974215U (en) | A kind of online linear scale control combustion system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Intellectual Property Department, Technical Center No. 8, Hunan West Road, Yushan District, Ma'anshan City, Anhui Province Applicant before: Ma'anshan Iron and Steel Co., Ltd. |