CN209131380U - A kind of burning control in heating furnace device based on gas composition analysis mechanism - Google Patents
A kind of burning control in heating furnace device based on gas composition analysis mechanism Download PDFInfo
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- CN209131380U CN209131380U CN201822037015.1U CN201822037015U CN209131380U CN 209131380 U CN209131380 U CN 209131380U CN 201822037015 U CN201822037015 U CN 201822037015U CN 209131380 U CN209131380 U CN 209131380U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 238000004458 analytical method Methods 0.000 title claims abstract description 17
- 239000003034 coal gas Substances 0.000 claims description 27
- 238000005070 sampling Methods 0.000 claims description 13
- 238000013480 data collection Methods 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 11
- 238000004868 gas analysis Methods 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 76
- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 238000003303 reheating Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 10
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005085 air analysis Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a kind of burning control in heating furnace devices based on gas composition analysis mechanism, belong to Combustion Control Techniques for Reheating Furnace field.The utility model includes heating furnace, heating furnace surface is equipped with burner, the input terminal of burner is connected separately with air branch pipe and branch gas tube, the outer surface of air branch pipe is separately installed with air branch pipe electric control valve and air branch pipe flowmeter, the outer surface of branch gas tube is separately installed with branch gas tube electric control valve and branch gas tube flowmeter, and the input terminal of branch gas tube is connected with gas main.The utility model is based on gas composition analysis mechanism, effectively realize the optimum combustion control of heating furnace, it is consistent with flue gas feedback test result, realize accuracy, real-time, applicability, by adjusting each section of gas volume and air capacity in real time, achieve the purpose that combustion control, effectively improves product quality and lumber recovery, reduces oxidization burning loss, energy-saving and emission-reduction, the target increased economic efficiency.
Description
Technical field
The utility model relates to Combustion Control Techniques for Reheating Furnace fields, are based on gas composition more specifically to one kind
The burning control in heating furnace device of analysis mechanism.
Background technique
The Combustion System Design Mechanism of domestic and international mainstream heating furnace producer at present are as follows: use combustion balance method calorific value instrument
(Wobbe index instrument) measures fuel gases calorific value, provides air-fuel ratio by empirical equation, controls combustion conditions.The test of Wobbe index instrument is former
Reason is that there are the different combustion gas compositions of identical Wobbe index can release identical thermic load under identical combustion pressure,
But since gas composition cannot provide, there are the following problems in actual application: 1. gas composition difference but calorific value, Hua Bai
Between the identical coal gas of index, air-fuel ratio is had differences；2. due to there is no gas composition, cause coal gas density can not accurately to
Out, bring that gas flow meter measurement error is bigger than normal, air-fuel ratio control bigger error；3. using combustion balance method calorific value instrument test
Precision depends on actual use gas composition and the design otherness of gas composition, and difference is bigger, and calorific value error is bigger, provides
Air-fuel ratio error it is also bigger.Analysis is as can be seen that the air-fuel ratio control based on combustion balance method calorific value instrument for these reasons
The target that mode processed can not be achieved heating furnace optimum combustion control, reduce oxidization burning loss rate and burnup.With regard to heater for rolling steel
Speech, air-fuel ratio will be out of control to bring a series of problems: 1. air-fuel ratio is bigger than normal not only influences product quality, but also will bring oxidization burning loss
Rate and burnup are higher；2. air-fuel ratio is less than normal not only to increase fuel consumption, but also the pollutant discharge amounts such as CO is brought to increase simultaneously.
Utility model content
1. utility model technical problems to be solved
In view of the defects existing in the prior art with deficiency, the utility model provides a kind of based on gas composition analysis mechanism
Burning control in heating furnace device, which effectively realizes Combustion System, improves product quality and lumber recovery, reduces oxidation
Scaling loss, energy-saving and emission-reduction, the target increased economic efficiency.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of burning control in heating furnace device based on gas composition analysis mechanism of the utility model, including heating furnace,
The heating furnace is made of preheating section, bringing-up section and soaking zone, and the surface of bringing-up section and soaking zone is mounted on burner, burner
Input terminal be connected separately with air branch pipe and branch gas tube, the outer surface of the air branch pipe is separately installed with air branch pipe
Electric control valve and air branch pipe flowmeter, the input terminal of air branch pipe are connected with air header, and the end point of air header is set
It is equipped with air blower and hygronom, the hygronom is mounted on the inlet of air blower, and the output end of hygronom is provided with data
Acquisition system, hygronom are connected by data line and data collection system；
The outer surface of the branch gas tube is separately installed with branch gas tube electric control valve and branch gas tube flowmeter, coal
The input terminal of gas branch pipe is connected with gas main, and the outer surface of gas main is disposed with gas sampling gun, the gas sample
The other end of rifle is connected with coal gas and takes tracheae, and coal gas takes the output end of tracheae to be connected with gas analysis meter, and coal gas takes the outer of tracheae
Surface is also connected with the pipe that purges steam, and the output end of the pipe that purges steam connects steam main pipe, and purge steam pipe and coal gas
It takes and is provided with steam back-flushing valve between tracheae, the outer surface of the gas main is also equipped with gas temperature meter, gas temperature
The output end of meter and gas analysis meter passes through data line respectively and is connected with data collection system.
Further, the air branch pipe and branch gas tube are arranged in parallel in the input terminal of burner.
Further, the coal gas takes the outer surface of tracheae to be spaced apart and is equipped with hole, and the inside in hole is successively fitted with gas
Sampling gun and gas temperature meter, gas sampling gun use stainless steel material, built-in filter screen.
Further, the air branch pipe flowmeter and branch gas tube flowmeter pass through data line respectively and data acquire
System is connected.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
The utility model is based on gas composition analysis mechanism, effectively realizes the optimum combustion control of heating furnace, anti-with flue gas
It is consistent to present test result, realizes accuracy, real-time, applicability, by adjusting each section of gas volume and air capacity in real time, reaches
The purpose of combustion control effectively improves product quality and lumber recovery, reduces oxidization burning loss, energy-saving and emission-reduction, improves economic effect
The target of benefit.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model.
In figure: 1, heating furnace；101, preheating section；102, bringing-up section；103, soaking zone；2, burner；3, air branch pipe；4, empty
Gas branch pipe electric control valve；5, air branch pipe flowmeter；6, branch gas tube；7, branch gas tube electric control valve；8, branch gas tube
Flowmeter；9, gas main；10, air header；11, gas sampling gun；12, coal gas takes tracheae；13, gas analysis meter；14, number
According to acquisition system；15, steam back-flushing valve；16, purge steam pipe；17, gas temperature meter；18, air blower；19, hygronom.
Specific embodiment
The utility model will be further described with reference to the accompanying drawings and examples:
Embodiment 1
It will be seen from figure 1 that a kind of burning control in heating furnace device based on gas composition analysis mechanism of the present embodiment,
Including heating furnace 1, heating furnace 1 is made of preheating section 101, bringing-up section 102 and soaking zone 103, bringing-up section 102 and soaking zone 103
Surface be mounted on burner 2, the input terminal of burner 2 is connected separately with air branch pipe 3 and branch gas tube 6, air branch pipe 3 and coal
Gas branch pipe 6 is arranged in parallel in the input terminal of burner 2, and air, which is mixed at burner 2 and inputted in heating furnace 1 with coal gas, to be fired
It burns, thus heated material, the outer surface of air branch pipe 3 is separately installed with air branch pipe electric control valve 4 and air branch pipe flow
Meter 5, adjusts the i.e. adjustable air mass flow of air branch pipe electric control valve 4, and the input terminal of air branch pipe 3 is connected with air header
10, the end point of air header 10 is provided with air blower 18 and hygronom 19, and hygronom 19 is mounted on the inlet of air blower 18,
The output end of hygronom 19 is provided with data collection system 14, and hygronom 19 is connected by data line with data collection system 14.
The outer surface of branch gas tube 6 is separately installed with branch gas tube electric control valve 7 and branch gas tube flowmeter 8, adjusts
The i.e. adjustable gas flow of branch gas tube electric control valve 7, air branch pipe flowmeter 5 pass through respectively with branch gas tube flowmeter 8
Data line is connected with data collection system 14, and the input terminal of branch gas tube 6 is connected with gas main 9, the outer surface of gas main 9
It is disposed with gas sampling gun 11, the other end of gas sampling gun 11 is connected with coal gas and takes tracheae 12, and coal gas takes the output of tracheae 12
End is connected with gas analysis meter 13, and coal gas takes the outer surface of tracheae 12 to be also connected with the pipe 16 that purges steam, and purge steam pipe 16
Output end connects steam main pipe, purges steam pipe 16 and coal gas takes and is provided with steam back-flushing valve 15 between tracheae 12, gas main 9
Outer surface be also equipped with gas temperature meter 17, the output end of gas temperature meter 17 and gas analysis meter 13 passes through data line respectively
It is connected with data collection system 14, coal gas takes the outer surface of tracheae 12 to be spaced apart and is equipped with hole, and the inside in hole is successively fitted with gas
Sampling gun 11 and gas temperature meter 17, gas sampling gun 11 use stainless steel material, built-in filter screen.
In specific operation process: steel billet enters from preheating section 101, is exported by soaking zone 103, conveys coal by gas main 9
Gas, air header 10 convey air, and air, which is mixed at burner 2 and inputted in heating furnace 1 with coal gas, to burn, air branch pipe
Flowmeter 5 and branch gas tube flowmeter 8 acquire real-time air mass flow, gas flow respectively and are transmitted to data collection system
14, gas sampling gun 11 uses gas analysis meter 13 to carry out constituent analysis after cooperating coal gas that tracheae 12 is taken to take out quantitative coal gas,
After the completion of analysis, by purging steam, 16 coordinating with steam rapid heat cycle back-flushing valve 15 of pipe carries out steam blowing, avoids coal gas from remaining in coal gas and takes
In tracheae 12,13 real-time detection gas composition of gas analysis meter, gas temperature meter 17 detects gas temperature, the acquisition drum of hygronom 19
Blower 18 introduces the humidity of air, and gas analysis meter 13, gas temperature meter 17 and hygronom 19 are transmitted to number by data line
According to acquisition system 14, air is adjusted by air branch pipe electric control valve 4, branch gas tube electric control valve 7, the flow of coal gas is
It can carry out the air-fuel ratio regulation inside heating furnace 1.
The utility model is based on gas composition analysis mechanism, effectively realizes the optimum combustion control of heating furnace 1, anti-with flue gas
It is consistent to present test result, realizes accuracy, real-time, applicability, by adjusting each section of gas volume and air capacity in real time, reaches
The purpose of combustion control effectively improves product quality and lumber recovery, reduces oxidization burning loss, energy-saving and emission-reduction, improves economic effect
The target of benefit.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of burning control in heating furnace device based on gas composition analysis mechanism, including heating furnace (1), it is characterised in that:
The heating furnace (1) is made of preheating section (101), bringing-up section (102) and soaking zone (103), bringing-up section (102) and soaking zone
(103) surface is mounted on burner (2), and the input terminal of burner (2) is connected separately with air branch pipe (3) and branch gas tube (6),
The outer surface of the air branch pipe (3) is separately installed with air branch pipe electric control valve (4) and air branch pipe flowmeter (5),
The input terminal of air branch pipe (3) is connected with air header (10), the end point of air header (10) be provided with air blower (18) and
Hygronom (19), the hygronom (19) are mounted on the inlet of air blower (18), and the output end of hygronom (19) is provided with
Data collection system (14), hygronom (19) are connected by data line with data collection system (14)；
The outer surface of the branch gas tube (6) is separately installed with branch gas tube electric control valve (7) and branch gas tube flowmeter
(8), the input terminal of branch gas tube (6) is connected with gas main (9), and the outer surface of gas main (9) is disposed with gas sampling gun
(11), the other end of the gas sampling gun (11) is connected with coal gas and takes tracheae (12), and coal gas takes the output end of tracheae (12)
It is connected with gas analysis meter (13), coal gas takes the outer surface of tracheae (12) to be also connected with the pipe that purges steam (16), the purging
The output end of steam pipe (16) connects steam main pipe, and the pipe that purges steam (16) and coal gas take that be provided with steam between tracheae (12) anti-
It blows valve (15), the outer surface of the gas main (9) is also equipped with gas temperature meter (17), gas temperature meter (17) and coal gas
The output end of analyzer (13) passes through data line respectively and is connected with data collection system (14).
2. a kind of burning control in heating furnace device based on gas composition analysis mechanism according to claim 1, feature
Be: the air branch pipe (3) and branch gas tube (6) is arranged in parallel in the input terminal of burner (2).
3. a kind of burning control in heating furnace device based on gas composition analysis mechanism according to claim 1, feature
Be: the coal gas takes the outer surface of tracheae (12) to be spaced apart and is equipped with hole, and the inside in hole is successively fitted with gas sampling gun
(11) and gas temperature meter (17), gas sampling gun (11) use stainless steel material, built-in filter screen.
4. a kind of burning control in heating furnace device based on gas composition analysis mechanism according to claim 1, feature
Be: the air branch pipe flowmeter (5) and branch gas tube flowmeter (8) is respectively by data line and data collection system
(14) it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037015.1U CN209131380U (en) | 2018-12-06 | 2018-12-06 | A kind of burning control in heating furnace device based on gas composition analysis mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037015.1U CN209131380U (en) | 2018-12-06 | 2018-12-06 | A kind of burning control in heating furnace device based on gas composition analysis mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN209131380U true CN209131380U (en) | 2019-07-19 |
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| CN201822037015.1U Expired - Fee Related CN209131380U (en) | 2018-12-06 | 2018-12-06 | A kind of burning control in heating furnace device based on gas composition analysis mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176137A (en) * | 2020-11-03 | 2021-01-05 | 马鞍山钢铁股份有限公司 | Blast furnace iron-making technology and method using waste heat steam |
| CN112285268A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Simulation test device and method for oxidation burning loss of steel billet |
| 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 |
-
2018
- 2018-12-06 CN CN201822037015.1U patent/CN209131380U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285268A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Simulation test device and method for oxidation burning loss of steel billet |
| CN112176137A (en) * | 2020-11-03 | 2021-01-05 | 马鞍山钢铁股份有限公司 | Blast furnace iron-making technology and method using waste heat steam |
| 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 |
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Granted publication date: 20190719 |