CN110377938A - A kind of coke oven vertical flame path temperature field analysis method - Google Patents
A kind of coke oven vertical flame path temperature field analysis method Download PDFInfo
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- CN110377938A CN110377938A CN201910495567.3A CN201910495567A CN110377938A CN 110377938 A CN110377938 A CN 110377938A CN 201910495567 A CN201910495567 A CN 201910495567A CN 110377938 A CN110377938 A CN 110377938A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The present invention provides a kind of analysis methods in coke oven vertical flame path temperature field, more characteristic values are provided for coke oven vertical flame path heating management, facilitates the fining of coke oven heating management, improves timeliness, validity that heating is adjusted, promote the uniform reasonable layout of coke oven furnace temperature, it is energy-saving.
Description
Technical field
The invention belongs to coking production technologies, are related to a kind of coke oven vertical flame path temperature field analysis method.
Background technique
Coking production process is the process of coking coal destructive distillation in carbonization chamber, and Yao Shixian coke oven is stable, low consumption production is high-quality
Coke, carbonization chamber it is high to, it is long to and each room between must homogeneous heating.Coal gas and air stream are in flue to expand
Combustion system burning is dissipated, the flame for generation of burning and the heat of hot waste gas pass to furnace wall by way of radiating with convection current, lead to
Furnace wall is crossed to be transmitted from combustion chamber to carbonization chamber.
Coke furnace carbonization chamber and combustion chamber are spaced, and the hole a N coke oven just has N+1 combustion chamber, and each combustion chamber has again
Several flues, by taking 7 meters of large capacity coke ovens of current main-stream as an example, just there are 34 flues in a combustion chamber.Coke oven is each vertical
Fire path temperature requires different, is the requirement of coking production technology, the center of gravity of coke oven heating management be each flue combustion position and
The control of temperature height.It is controlled to realize to be evenly heated and be convenient for checking, pusher side, coke side in each combustion chamber respectively select one
It is a representative, it is able to reflect out machine coke two sides and is averaged the quirk of fire path temperature as thermometric quirk and also make standard fiery
Road, pusher side, coke side thermometric quirk mean temperature controlling value be normal temperature, this index is in defined coking time
The interior major temperature index for guaranteeing charge of coke maturation.
Coke oven vertical flame path is the solid space that a resistance to material is constituted, and Temperature Distribution objectively responds flue endogenous fire in solid space
Flame combustion state, flue temperature each for coke oven, which is adjusted, has very big directive function, targeted coke oven temperature and pressure system
Degree is adjusted, and realizes that the reasonable layout in coke oven vertical flame path temperature field is to reduce cost under the premise of ensuring coke uniformly ripening
It is crucial.
Summary of the invention
Fining to realize that coke oven heating is adjusted avoids local furnace temperature mistake under the premise of ensuring coke uniformly ripening
It is surplus, also avoid local temperature relatively low, the present invention provides a kind of analysis method in coke oven vertical flame path temperature field, specific steps are as follows:
Step 1: establishing the temperature field of three-dimensional space
Coke oven vertical flame path thermal imagery is acquired by thermal imaging system, thermal imagery is divided into flue bottom cross section temperature field, vertical fire
Road longitudal section temperature field, wherein bottom cross section temperature field is divided into X-axis thermal imagery, Y-axis thermal imagery, flue longitudal section temperature field
It is divided into Z axis thermal imagery, establishes the thermal imagery temperature field of three-dimensional space,；
Step 2: obtaining characterization parameter
It is obtained along Z axis thermography analysis high to Temperature Distribution；Characterization parameter is obtained along X-axis thermal imagery, Y-axis thermography analysis, including
Flue maximum temperature Tmax, flue mean temperature Tt, the very poor △ T of flue temperature；
Step 3: adjustment guidance
Using characterization parameter is obtained in step 2, the heating process of coke oven vertical flame path is adjusted, instructed.
As an improvement, in step 2, the high characterization parameter to Temperature Distribution, for the adjustment of coke oven heating system suction.
As an improvement, when temperature standard curve a certain range that height is set to temperature distribution history deviation in a period of time
Afterwards, the warning device in coke oven vertical flame path will be started, alarmed, and then adjust coke oven heating system suction in real time, by it
Height is adjusted to temperature to suitable range；When in a period of time height to temperature distribution history setting temperature standard curve
In range, temperature measurement will be continued for and save, and coke oven heating system suction technological parameter remains unchanged.
As an improvement, the flue maximum temperature Tmax is the temperature of flue bottommost in step 2, it is limit temperature
Degree is set as inside thermal imagery, temperature≤1450 DEG C.
As an improvement, when real-time measurement temperature be higher than flue maximum temperature Tmax standard value range when, be judged as it is non-just
Often, it issues alarm and is adjusted immediately simultaneously；When real-time measurement temperature is in flue maximum temperature Tmax standard value range
When, it is judged as normal, continues work.
As an improvement, in step 2, the flue mean temperature Tt is that thermal imagery gridding, rejecting circumference is irregular
After square matrix, the average value of each square matrix temperature, i.e. Tt=(T1+T2+ ... ..+Tn)/n, Tn be each thermal imagery net region in most
High-temperature, n are grid serial number, are positive integer；Tt is to manage temperature to instruct coke oven heating pipe for demarcating the maturity of coke
Reason.
As an improvement, being demarcated as coke when the mean temperature of flue real-time measurement is outside the standard value range of Tt
Maturity is low, issues alarm and needs to adjust coke oven heating speed simultaneously；When the mean temperature that flue measures is in the mark of Tt
When in quasi- value range, the maturity for being demarcated as coke is suitable, continues work.
As an improvement, the very poor △ T of flue temperature is that thermal imagery gridding, rejecting circumference is irregular in step 2
The difference △ T=Tmax-Tmin of each square matrix maximum temperature and minimum temperature after square matrix, wherein Tmax, Tmin can be from thermal imagerys point
It is obtained in analysis software；△ T is used to adjust the ratio value of coal gas and air in flue.
As an improvement, issuing report when the standard value range of the very poor deviation very poor △ T of flue temperature of real-time measurement temperature
Alert and needs change ignition temperature by adjusting coal gas in flue and AIR Proportional value；When real-time measurement temperature is very poor vertical
When the standard value range of the very poor △ T of fire path temperature, illustrate that coal gas and AIR Proportional value are in suitable range in flue, normally
Work.
The utility model has the advantages that a kind of analysis method in coke oven vertical flame path temperature field provided by the invention, is heated for coke oven vertical flame path
Management provides more characteristic values, facilitates the fining of coke oven heating management, improves timeliness that heating adjusts, effectively
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
The present invention provides a kind of analysis method in coke oven vertical flame path temperature field, specific steps are as follows:
Step 1: establishing the temperature field of three-dimensional space
Coke oven vertical flame path thermal imagery is acquired by thermal imaging system, thermal imagery is divided into flue bottom cross section temperature field, vertical fire
Road longitudal section temperature field, wherein bottom cross section temperature field is divided into X-axis thermal imagery, Y-axis thermal imagery, flue longitudal section temperature field
It is divided into Z axis thermal imagery, establishes the thermal imagery temperature field of three-dimensional space,；
Step 2: obtaining characterization parameter
It is obtained along Z axis thermography analysis high to Temperature Distribution；Characterization parameter is obtained along X-axis thermal imagery, Y-axis thermography analysis, including
Flue maximum temperature Tmax, flue mean temperature Tt, the very poor △ T of flue temperature；
Step 3: adjustment guidance
Using characterization parameter is obtained in step 2, the heating process of coke oven vertical flame path is adjusted, instructed.
In step 2, the high characterization parameter to Temperature Distribution, for the adjustment of coke oven heating system suction.When one section
After interior high temperature standard curve a certain range for deviateing setting to temperature distribution history, the report in coke oven vertical flame path will be started
Alarm device is alarmed, and then adjusts coke oven heating system suction in real time, its height is adjusted to temperature to suitable range
It is interior；When to temperature distribution history in the temperature standard curve ranges of setting, temperature measurement will be continued for height in a period of time
And save, coke oven heating system suction technological parameter remains unchanged.
In step 2, the flue maximum temperature Tmax is the temperature of flue bottommost, is limiting temperature, is set as
Inside thermal imagery, temperature≤1450 DEG C.When real-time measurement temperature is higher than flue maximum temperature Tmax standard value range, sentence
It is improper for breaking, and issues alarm and is adjusted immediately simultaneously；When real-time measurement temperature is in flue maximum temperature Tmax standard
When being worth range, it is judged as normal, continues work.
In step 2, the flue mean temperature Tt, for it thermal imagery gridding, the irregular square matrix of circumference will be rejected after, respectively
The average value of square matrix temperature, i.e. Tt=(T1+T2+ ... ..+Tn)/n, Tn is the maximum temperature in each thermal imagery net region, n
It is positive integer for grid serial number；Tt is to manage temperature to instruct coke oven heating management for demarcating the maturity of coke.
When the mean temperature of flue real-time measurement is outside the standard value range of Tt, the maturity for being demarcated as coke is low,
It issues alarm and needs to adjust coke oven heating speed simultaneously；When the mean temperature of flue measurement is in the standard value range of Tt
When, the maturity for being demarcated as coke is suitable, continues work.
In step 2, the very poor △ T of flue temperature is by each side after thermal imagery gridding, the rejecting irregular square matrix of circumference
The difference △ T=Tmax-Tmin of battle array maximum temperature and minimum temperature, wherein Tmax, Tmin can be obtained from thermography analysis software
?；△ T is used to adjust the ratio value of coal gas and air in flue.
When real-time measurement temperature is very poor deviates the standard value range of the very poor △ T of flue temperature, issues alarm and need
By adjusting coal gas in flue and AIR Proportional value, change ignition temperature；When real-time measurement temperature is very poor in flue temperature
When the standard value range of very poor △ T, illustrate that coal gas and AIR Proportional value are worked normally in suitable range in flue.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of analysis method in coke oven vertical flame path temperature field, it is characterised in that: specific steps are as follows:
Step 1: establishing the temperature field of three-dimensional space
Coke oven vertical flame path thermal imagery is acquired by thermal imaging system, thermal imagery is divided into flue bottom cross section temperature field, flue is indulged
Section temperature field, wherein bottom cross section temperature field is divided into X-axis thermal imagery, Y-axis thermal imagery, and flue longitudal section temperature field is divided into
Z axis thermal imagery establishes the thermal imagery temperature field of three-dimensional space,；
Step 2: obtaining characterization parameter
It is obtained along Z axis thermography analysis high to Temperature Distribution；Characterization parameter, including vertical fire are obtained along X-axis thermal imagery, Y-axis thermography analysis
Road maximum temperature Tmax, flue mean temperature Tt, the very poor △ T of flue temperature；
Step 3: adjustment guidance
Using characterization parameter is obtained in step 2, the heating process of coke oven vertical flame path is adjusted, instructed.
2. the analysis method in coke oven vertical flame path temperature field according to claim 1, it is characterised in that: in step 2, the height
Characterization parameter to Temperature Distribution, for the adjustment of coke oven heating system suction.
3. the analysis method in coke oven vertical flame path temperature field according to claim 2, it is characterised in that: when high in a period of time
After the temperature standard curve a certain range for deviateing setting to temperature distribution history, the warning device in coke oven vertical flame path will be started,
It alarms, and then adjusts coke oven heating system suction in real time, its height is adjusted to temperature to suitable range；When one section
To temperature distribution history in the temperature standard curve ranges of setting, temperature measurement will be continued for and save height, burnt in time
Stove heating system suction technological parameter remains unchanged.
4. the analysis method in coke oven vertical flame path temperature field according to claim 1, it is characterised in that: described vertical in step 2
Quirk maximum temperature Tmax is the temperature of flue bottommost, is limiting temperature, temperature≤1450 DEG C.
5. the analysis method in coke oven vertical flame path temperature field according to claim 4, it is characterised in that: when real-time measurement temperature
When higher than flue maximum temperature Tmax standard value range, it is judged as improper, issue alarm and is adjusted immediately simultaneously；When
Real-time measurement temperature is judged as normal, continues work in flue maximum temperature Tmax standard value range.
6. the analysis method in coke oven vertical flame path temperature field according to claim 1, it is characterised in that: described vertical in step 2
Quirk mean temperature Tt, for it thermal imagery gridding, the irregular square matrix of circumference will be rejected after, the average value of each square matrix temperature, i.e. Tt=
(T1+T2+ ... ..+Tn)/n, Tn is the maximum temperature in each thermal imagery net region, and it is positive integer that n, which is grid serial number,；Tt is
It manages temperature and instructs coke oven heating management for demarcating the maturity of coke.
7. the analysis method in coke oven vertical flame path temperature field according to claim 6, it is characterised in that: when flue is surveyed in real time
When the mean temperature of amount is outside the standard value range of Tt, the maturity for being demarcated as coke is low, issues alarm and needs to adjust simultaneously
Coke oven heating speed；When the mean temperature of flue measurement is in the standard value range of Tt, the maturity for being demarcated as coke is closed
It is suitable, continue work.
8. the analysis method in coke oven vertical flame path temperature field according to claim 1, it is characterised in that: described vertical in step 2
The very poor △ T of fire path temperature is by each square matrix maximum temperature and minimum temperature after thermal imagery gridding, the rejecting irregular square matrix of circumference
Difference, △ T=Tmax-Tmin, wherein Tmax, Tmin are obtained from thermography analysis software；△ T is for adjusting coal gas in flue
With the ratio value of air.
9. the analysis method in coke oven vertical flame path temperature field according to claim 8, it is characterised in that: when real-time measurement temperature
When the very poor standard value range for deviateing the very poor △ T of flue temperature, issue alarm and need by adjusting coal gas in flue and
AIR Proportional value changes ignition temperature；When real-time measurement temperature is very poor in the standard value range of the very poor △ T of flue temperature,
Illustrate that coal gas and AIR Proportional value are worked normally in suitable range in flue.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117505811A (en) * | 2024-01-08 | 2024-02-06 | 北京适创科技有限公司 | Die temperature control method and related device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457268A (en) * | 2009-01-07 | 2009-06-17 | 北京首钢自动化信息技术有限公司 | Monitoring, prediction and alarm system for blast furnace hearth and bottom |
| CN101598600A (en) * | 2008-06-04 | 2009-12-09 | 上海隆缔电子设备有限公司 | Wireless self-cooled continuous automatic temperature measurement method of pressures inside and spectrogram device thereof |
| CN102020996A (en) * | 2010-12-30 | 2011-04-20 | 安阳钢铁股份有限公司 | Automatic heating control method for coke oven |
| 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 |
| CN102517043A (en) * | 2011-11-12 | 2012-06-27 | 太原煤气化股份有限公司 | Method for heating and controlling temperature of coke oven |
| 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 |
| CN103048058A (en) * | 2012-12-17 | 2013-04-17 | 中南大学 | Online detecting method of coke-oven flue temperatures |
| CN104357065A (en) * | 2014-11-08 | 2015-02-18 | 马钢(集团)控股有限公司 | Method for regulating and controlling temperature of coke oven |
| JP2015081310A (en) * | 2013-10-23 | 2015-04-27 | 新日鐵住金株式会社 | Method for estimating temperature of carbonized product in chamber type coke oven |
| CN107573954A (en) * | 2017-10-18 | 2018-01-12 | 南京沪友冶金机械制造有限公司 | A kind of detection method of coke oven peephole lid state |
| CN107655350A (en) * | 2017-10-31 | 2018-02-02 | 岳阳钟鼎热工电磁科技有限公司 | A kind of novel industrial furnace monitoring diagnosis device and method |
| CN108343974A (en) * | 2018-03-27 | 2018-07-31 | 广州环保投资集团有限公司 | A kind of waste incinerator burner hearth temperature measuring equipment, Furnace Temperature Control System and method |
| CN108363857A (en) * | 2018-02-05 | 2018-08-03 | 燕山大学 | Recuperative heater flow field and inside workpiece temperature, thermal-stress analysis method |
| CN109021987A (en) * | 2018-07-19 | 2018-12-18 | 南京沪友冶金机械制造有限公司 | A kind of oven top of coke oven servicer detected automatically |
-
2019
- 2019-06-10 CN CN201910495567.3A patent/CN110377938B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598600A (en) * | 2008-06-04 | 2009-12-09 | 上海隆缔电子设备有限公司 | Wireless self-cooled continuous automatic temperature measurement method of pressures inside and spectrogram device thereof |
| CN101457268A (en) * | 2009-01-07 | 2009-06-17 | 北京首钢自动化信息技术有限公司 | Monitoring, prediction and alarm system for blast furnace hearth and bottom |
| CN102020996A (en) * | 2010-12-30 | 2011-04-20 | 安阳钢铁股份有限公司 | Automatic heating control method for coke oven |
| 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 |
| CN102517043A (en) * | 2011-11-12 | 2012-06-27 | 太原煤气化股份有限公司 | Method for heating and controlling temperature of coke oven |
| 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 |
| CN103048058A (en) * | 2012-12-17 | 2013-04-17 | 中南大学 | Online detecting method of coke-oven flue temperatures |
| JP2015081310A (en) * | 2013-10-23 | 2015-04-27 | 新日鐵住金株式会社 | Method for estimating temperature of carbonized product in chamber type coke oven |
| CN104357065A (en) * | 2014-11-08 | 2015-02-18 | 马钢(集团)控股有限公司 | Method for regulating and controlling temperature of coke oven |
| CN107573954A (en) * | 2017-10-18 | 2018-01-12 | 南京沪友冶金机械制造有限公司 | A kind of detection method of coke oven peephole lid state |
| CN107655350A (en) * | 2017-10-31 | 2018-02-02 | 岳阳钟鼎热工电磁科技有限公司 | A kind of novel industrial furnace monitoring diagnosis device and method |
| CN108363857A (en) * | 2018-02-05 | 2018-08-03 | 燕山大学 | Recuperative heater flow field and inside workpiece temperature, thermal-stress analysis method |
| CN108343974A (en) * | 2018-03-27 | 2018-07-31 | 广州环保投资集团有限公司 | A kind of waste incinerator burner hearth temperature measuring equipment, Furnace Temperature Control System and method |
| CN109021987A (en) * | 2018-07-19 | 2018-12-18 | 南京沪友冶金机械制造有限公司 | A kind of oven top of coke oven servicer detected automatically |
Non-Patent Citations (2)
| Title |
|---|
| 杜曹明: "焦炉自动加热与在线测温技术在我厂的应用", 《冶金与材料》 * |
| 范洁川: "《近代流动显示技术》", 31 January 2002, 北京：国防工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505811A (en) * | 2024-01-08 | 2024-02-06 | 北京适创科技有限公司 | Die temperature control method and related device |
| CN117505811B (en) * | 2024-01-08 | 2024-04-05 | 北京适创科技有限公司 | Die temperature control method and related device |
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