CN107727788B - A kind of detection method of the interior sintering charge level heat intensity of ignition furnace - Google Patents
A kind of detection method of the interior sintering charge level heat intensity of ignition furnace Download PDFInfo
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Abstract
The invention discloses the detection methods that charge level heat intensity is sintered in a kind of ignition furnace, belong to sintering technology field.Detection method includes the following steps for sintering charge level heat intensity in the ignition furnace: measuring sintering charge level by the temperature during ignition furnace by thermocouple, temperature signal is sent to temperature controller by thermocouple；Charge level temperature change curve is drawn according to the temperature signal that temperature controller receives；Sintering charge level is obtained in the comprehensive heat intensity of high-temperature area according to the speed of service of the absolute heat intensity of high-temperature area in ignition furnace and pallet；Sintering charge level is obtained in high temperature regional complex heat intensity according to the speed of service of the absolute heat intensity in high temperature region and pallet in ignition furnace；The ignition quality of sintering ignition furnace is obtained in high temperature regional complex heat intensity in the comprehensive heat intensity of high-temperature area and sintering charge level according to sintering charge level.The detection method of sintering charge level heat intensity can be with the ignition quality of rational judgment and evaluation sintering ignition furnace in ignition furnace of the present invention.
Description
Technical field
The present invention relates to sintering technology field, in particular to the detection side of sintering charge level heat intensity in a kind of ignition furnace
Method.
Background technique
Igniting process is the start-up procedure of entire iron ore sintering process, and sinter bed will during passing through ignition furnace
The solid fuel on bed of material surface ignites, and provides heat for subsequent lasting sintering, therefore the quality of ignition results not only affects
Sinter at mineral amount, sintering technology and economic indicator, and also having a direct impact to the gas consumption of igniting process.
The thermometric for relying primarily on the 2-6 root thermocouple being distributed in ignition furnace of evaluation sintering ignition furnace ignition results at present
Data use the thermometric average value of each thermocouple as the foundation for measuring ignition furnace ignition quality, and the numerical value is higher to illustrate igniting effect
Fruit is better.Temperature field in ignition furnace be not it is equally distributed, on the one hand thermocouple measurements can not in traditional ignition furnace
True fired state in reflection ignition furnace completely；On the other hand, the final effect of ignition furnace is the sintering feed heated below
Face, ignite solid fuel therein, persistently provides heat for follow-up sintering reaction, therefore it is heated in ignition furnace to be sintered charge level
Situation be measure ignition furnace ignition quality most direct foundation, but in ignition furnace in the prior art thermocouple measurements without
Method reflects the heated situation of sintering charge level comprehensively.
Summary of the invention
The present invention provides a kind of detection method of interior sintering charge level heat intensity of ignition furnace, solves or part solves now
There is the technical issues of thermocouple measurements can not reflect the heated situation of sintering charge level comprehensively in the ignition furnace in technology.
In order to solve the above technical problems, the present invention provides the detection methods for being sintered charge level heat intensity in a kind of ignition furnace
The following steps are included: measuring sintering charge level by the temperature during ignition furnace by thermocouple, the thermocouple will characterize institute
The temperature signal for stating temperature is sent to temperature controller；It is bent that charge level temperature variation is drawn according to the temperature signal that the temperature controller receives
Line；High-temperature region of the sintering charge level in ignition furnace is determined by high-temperature area baseline in the charge level temperature change curve
The initial position in domain and final position；The charge level temperature is obtained according to the initial position of the high-temperature area and final position to become
Change in curve and obtain the area of high-temperature area, the sintering charge level is obtained in the ignition furnace according to the area of the high-temperature area
The interior absolute heat intensity of high-temperature area；According to the operation speed of the absolute heat intensity of high-temperature area and pallet in the ignition furnace
Degree obtains the sintering charge level in the comprehensive heat intensity of high-temperature area；Pass through high temperature area in the charge level temperature change curve
Domain baseline determines initial position and the final position in high temperature region of the sintering charge level in ignition furnace；According to the middle height
The initial position of temperature area and final position obtain obtaining the area in high temperature region in the charge level temperature change curve, according to
The area in the high temperature region and the sintering the charge level absolute heat intensity of high-temperature area in the ignition furnace obtain described
It is sintered charge level absolute heat intensity in high temperature region in the ignition furnace；According to high temperature region in the ignition furnace absolutely by
Calorific intensity and the speed of service of pallet obtain the sintering charge level in high temperature regional complex heat intensity；According to the burning
Ramming material face obtains weld point in high temperature regional complex heat intensity in the comprehensive heat intensity of high-temperature area and the sintering charge level
The ignition quality of stove.
It is further, described that measure sintering charge level by thermocouple by the temperature during ignition furnace include: the heat
Galvanic couple is evenly arranged in the sintering machine transverse direction.
Further, the high-temperature area baseline corresponds to solid fuel completely burned in the ignition furnace in sinter bed
Temperature line.
Further, the initial position of the high-temperature area is high-temperature area base described in the charge level temperature change curve
The crosspoint of line and the sintering charge level temperature curve ascent stage, the final position of the high-temperature area are charge level temperature change
Change the crosspoint of high-temperature area baseline described in curve and the sintering charge level temperature curve descending branch.
Further, sintering charge level high temperature area in the ignition furnace is obtained according to the area of the high-temperature area
The absolute heat intensity in domain includes:Wherein, AS1To be sintered the absolute heat intensity of charge level high temperature, unit is
℃.S；T1 is high-temperature area baseline and the crosspoint for being sintered the charge level temperature curve ascent stage, unit Sec；T2 is high-temperature area
The crosspoint of baseline and sintering charge level temperature curve descending branch, unit Sec；When t is stop of the sintering charge level in ignition furnace
Between, unit Sec；T is the real time temperature for being sintered charge level, and unit is DEG C.
Further, it is obtained according to the speed of service of the absolute heat intensity of high-temperature area and pallet in the ignition furnace
The sintering charge level integrates heat intensity in high-temperature areaWherein, CS1It is comprehensive for sintering charge level high temperature
Heat intensity is closed, unit is DEG C .m；V is the pallet speed of service, unit m/s.
Further, high temperature region baseline corresponds to solid fuel in sinter bed and starts to fire in the ignition furnace
The temperature line of burning.
Further, the initial position in the high temperature region is high temperature area described in the charge level temperature change curve
The crosspoint of domain baseline and the sintering charge level temperature curve ascent stage, the final position in the high temperature region are the charge level
The crosspoint of the baseline of high temperature region described in temperature variation curve and the sintering charge level temperature curve descending branch.
Further, the high-temperature area in the ignition furnace according to the area in the high temperature region and the sintering charge level
Absolute heat intensity obtains the sintering charge level absolute heat intensity in high temperature region in the ignition furnace and includes:Wherein, AS2To be sintered the absolute heat intensity of charge level high temperature, unit is DEG C .S；T1 is
The crosspoint of high-temperature area baseline and sintering charge level temperature curve ascent stage, unit Sec；T2 is high-temperature area baseline and sintering
The crosspoint of charge level temperature curve descending branch, unit Sec；T3 is that high temperature region baseline and sintering charge level temperature curve rise
The crosspoint of section, unit Sec；T4 is high temperature region baseline and the crosspoint for being sintered charge level temperature curve descending branch, unit
For Sec；T is the residence time for being sintered charge level in ignition furnace, unit Sec；T is the real time temperature for being sintered charge level, and unit is
℃。
Further, it is obtained according to the speed of service of the absolute heat intensity in high temperature region and pallet in the ignition furnace
Include: in high temperature regional complex heat intensity to the sintering charge levelWherein, CS2For in sintering charge level
High temperature integrates heat intensity, and unit is DEG C .m；V is the pallet speed of service, unit m/s.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Sintering charge level is measured by the temperature during ignition furnace by thermocouple, and thermocouple believes the temperature for characterizing temperature
Number it is sent to temperature controller, charge level temperature change curve is drawn according to the temperature signal that temperature controller receives, is changed in charge level temperature
Initial position and the final position of high-temperature area of the sintering charge level in ignition furnace, root are determined in curve by high-temperature area baseline
It obtains obtaining the area of high-temperature area in charge level temperature change curve according to the initial position and final position of high-temperature area, according to height
The area of temperature area obtains the sintering absolute heat intensity of charge level high-temperature area in ignition furnace, exhausted according to high-temperature area in ignition furnace
Sintering charge level is obtained in the comprehensive heat intensity of high-temperature area to the speed of service of heat intensity and pallet, is become in charge level temperature
Change initial position and the termination for determining high temperature region of the sintering charge level in ignition furnace in curve by high temperature region baseline
Position obtains obtaining high temperature region in charge level temperature change curve according to the initial position in high temperature region and final position
Area obtains sintering charge level according to the area in high temperature region and the sintering absolute heat intensity of charge level high-temperature area in ignition furnace
The absolute heat intensity in high temperature region in the ignition furnace, according to the absolute heat intensity in high temperature region and sintering in ignition furnace
The speed of service of trolley obtains sintering charge level in high temperature regional complex heat intensity, according to sintering charge level in high-temperature area synthesis
Heat intensity and sintering charge level in high temperature regional complex heat intensity obtain the ignition quality of sintering ignition furnace, can according to
The sintering charge level arrived is fixed in the numerical value of high temperature regional complex heat intensity in the comprehensive heat intensity of high-temperature area and sintering charge level
The ignition quality of amount judgement and thoroughly evaluating sintering ignition furnace.
Detailed description of the invention
Fig. 1 is that the charge level temperature of the detection method of sintering charge level heat intensity in ignition furnace provided in an embodiment of the present invention becomes
Change curve graph.
Specific embodiment
Referring to Fig. 1, the detection method of sintering charge level heat intensity includes in a kind of ignition furnace provided in an embodiment of the present invention
Following steps:
Step 1, sintering charge level is measured by the temperature during ignition furnace by thermocouple, the thermocouple will characterize institute
The temperature signal for stating temperature is sent to temperature controller.
Step 2, charge level temperature change curve is drawn according to the temperature signal that the temperature controller receives.
Step 3, determine that the sintering charge level is being lighted a fire by high-temperature area baseline in the charge level temperature change curve
The initial position of high-temperature area in furnace and final position.
Step 4, it is obtained in the charge level temperature change curve according to the initial position of the high-temperature area and final position
The area of high-temperature area is obtained, sintering charge level high-temperature region in the ignition furnace is obtained according to the area of the high-temperature area
The absolute heat intensity in domain.
Step 5, institute is obtained according to the speed of service of the absolute heat intensity of high-temperature area and pallet in the ignition furnace
Sintering charge level is stated in the comprehensive heat intensity of high-temperature area.
Step 6, determine the sintering charge level in point by high temperature region baseline in the charge level temperature change curve
The initial position in the high temperature region in stove and final position.
Step 7, the charge level temperature change curve is obtained according to the initial position in the high temperature region and final position
The area for inside obtaining high temperature region is high in the ignition furnace according to the area in the high temperature region and the sintering charge level
The absolute heat intensity of temperature area obtains the sintering charge level absolute heat intensity in high temperature region in the ignition furnace.
Step 8, it is obtained according to the speed of service of the absolute heat intensity in high temperature region and pallet in the ignition furnace
The sintering charge level is in high temperature regional complex heat intensity.
Step 9, heat intensity and the sintering charge level are integrated in high temperature area in high-temperature area according to the sintering charge level
The comprehensive heat intensity in domain obtains the ignition quality of sintering ignition furnace.
The application specific embodiment measures sintering charge level by thermocouple and passes through the temperature during ignition furnace, thermocouple
The temperature signal for characterizing temperature is sent to temperature controller, it is bent to draw charge level temperature variation according to the temperature signal that temperature controller receives
Line determines the starting of high-temperature area of the sintering charge level in ignition furnace in charge level temperature change curve by high-temperature area baseline
Position and final position obtain obtaining high temperature in charge level temperature change curve according to the initial position of high-temperature area and final position
The area in region obtains the sintering absolute heat intensity of charge level high-temperature area in ignition furnace according to the area of high-temperature area, according to
In ignition furnace the speed of service of the absolute heat intensity of high-temperature area and pallet obtain sintering charge level high-temperature area it is comprehensive by
Calorific intensity determines high temperature area of the sintering charge level in ignition furnace by high temperature region baseline in charge level temperature change curve
The initial position in domain and final position obtain charge level temperature change curve according to the initial position in high temperature region and final position
The area for inside obtaining high temperature region, according to the area in high temperature region and sintering charge level in ignition furnace high-temperature area absolutely by
Calorific intensity obtains sintering charge level absolute heat intensity in high temperature region in the ignition furnace, according to high temperature region in ignition furnace
The speed of service of absolute heat intensity and pallet obtains sintering charge level in high temperature regional complex heat intensity, according to sintering
Charge level obtains sintering ignition furnace in high temperature regional complex heat intensity in the comprehensive heat intensity of high-temperature area and sintering charge level
Ignition quality, can be comprehensive in high temperature region in the comprehensive heat intensity of high-temperature area and sintering charge level according to obtained sintering charge level
Close the numerical value rational judgment of heat intensity and the ignition quality of thoroughly evaluating sintering ignition furnace.
Step 1 is discussed in detail.
It is described that measure sintering charge level by thermocouple by the temperature during ignition furnace include: the uniform cloth of the thermocouple
It sets in the sintering machine transverse direction, each thermocouple is directly close to sintering charge level is burnt, with sintering machine during thermometric
It is moved in furnace, can continuously measure the actual temperature data of sintering charge level, therefore can be with the igniting in actual response ignition furnace
State, and then can accurate judgement ignition furnace ignition quality.
Step 3 is discussed in detail.
The high-temperature area baseline corresponds to the temperature line of solid fuel completely burned in the ignition furnace in sinter bed.
The initial position of the high-temperature area be the charge level temperature change curve described in high-temperature area baseline with it is described
It is sintered the crosspoint of charge level temperature curve ascent stage, the final position of the high-temperature area is in the charge level temperature change curve
The crosspoint of the high-temperature area baseline and the sintering charge level temperature curve descending branch.
Step 4 is discussed in detail.
According to the area of the high-temperature area obtain the sintering charge level in the ignition furnace high temperature region absolutely by
Calorific intensity includes:
Wherein, AS1To be sintered the absolute heat intensity of charge level high temperature, unit is DEG C .S；T1 is high-temperature area baseline and sintering
The crosspoint of charge level temperature curve ascent stage, unit Sec；T2 is high-temperature area baseline and sintering charge level temperature curve descending branch
Crosspoint, unit Sec；T is the residence time for being sintered charge level in ignition furnace, unit Sec；T is the reality for being sintered charge level
Shi Wendu, unit are DEG C.
Step 5 is discussed in detail.
The sintering is obtained according to the speed of service of the absolute heat intensity of high-temperature area and pallet in the ignition furnace
Charge level integrates heat intensity in high-temperature area
Wherein, CS1For the comprehensive heat intensity of sintering charge level high temperature, unit is DEG C .m；V is the pallet speed of service, single
Position is m/s.
Step 6 is discussed in detail.
High temperature region baseline corresponds to the temperature that solid fuel in sinter bed starts burning in the ignition furnace
Line.
The initial position in the high temperature region be the charge level temperature change curve described in high temperature region baseline with
The crosspoint of the sintering charge level temperature curve ascent stage, the final position in the high temperature region are charge level temperature variation
The crosspoint of the baseline of high temperature region described in curve and the sintering charge level temperature curve descending branch.
Step 7 is discussed in detail.
According to the area in the high temperature region and the sintering charge level, high-temperature area is absolutely heated in the ignition furnace
Intensity obtains the sintering charge level absolute heat intensity in high temperature region in the ignition furnace
Wherein, AS2To be sintered the absolute heat intensity of charge level high temperature, unit is DEG C .S；T1 is high-temperature area baseline and burns
The crosspoint of ramming material face temperature curve ascent stage, unit Sec；T2 is high-temperature area baseline and sintering charge level temperature curve decline
The crosspoint of section, unit Sec；T3 is high temperature region baseline and the crosspoint for being sintered the charge level temperature curve ascent stage, unit
For Sec；T4 is high temperature region baseline and the crosspoint for being sintered charge level temperature curve descending branch, unit Sec；T is sintering feed
Residence time of the face in ignition furnace, unit Sec；T is the real time temperature for being sintered charge level, and unit is DEG C.
Step 8 is discussed in detail.
The burning is obtained according to the speed of service of the absolute heat intensity in high temperature region and pallet in the ignition furnace
Ramming material face includes: in high temperature regional complex heat intensity
Wherein, CS2For the comprehensive heat intensity of sintering charge level high temperature, unit is DEG C .m；V is the pallet speed of service,
Unit is m/s.
The embodiment of the present invention is introduced in order to become apparent from, applies from the present invention introduced in the application method of example below.
Sintering charge level is measured by the temperature during ignition furnace by thermocouple, and thermocouple is evenly arranged in sintering machine cross
To on direction, each thermocouple directly close to charge level is sintered, is moved in furnace during thermometric with sintering machine, Ke Yilian
The continuous actual temperature data for measuring sintering charge level, therefore can be with the fired state in actual response ignition furnace, and then can accurately sentence
Breakpoint stove ignition quality.The temperature signal for characterizing temperature is sent to temperature controller by thermocouple, the temperature received according to temperature controller
It spends signal and draws charge level temperature change curve.
High-temperature area of the sintering charge level in ignition furnace is determined by high-temperature area baseline in charge level temperature change curve
Initial position and final position, obtained in charge level temperature change curve according to the initial position of high-temperature area and final position
To the area of high-temperature area, it is absolute that sintering charge level high-temperature area in the ignition furnace is obtained according to the area of high-temperature area
Heat intensity.High temperature of the sintering charge level in ignition furnace is determined by high temperature region baseline in charge level temperature change curve
It is bent to obtain charge level temperature variation according to the initial position in high temperature region and final position for the initial position in region and final position
The area that high temperature region is obtained in line, it is absolute according to the area in high temperature region and sintering charge level high-temperature area in ignition furnace
Heat intensity obtains sintering charge level absolute heat intensity in high temperature region in ignition furnace.Wherein, high temperature: 800-1200 DEG C, in
Temperature: 400-800 DEG C.
Sintering charge level is obtained in height according to the speed of service of the absolute heat intensity of high-temperature area in ignition furnace and pallet
Temperature area integrates heat intensity.It is obtained according to the speed of service of the absolute heat intensity in high temperature region and pallet in ignition furnace
Charge level is sintered in high temperature regional complex heat intensity.
In the present embodiment, high-temperature area baseline is 1000 DEG C, and high temperature region baseline is 600 DEG C, pallet operation
Speed is 2.28m/min；High-temperature area baseline and charge level temperature curve ascent stage crosspoint t1 are 111.5Sec, high-temperature area base
Line and charge level temperature curve descending branch crosspoint t2 are 196Sec；High temperature region baseline intersects with the charge level temperature curve ascent stage
Point t3 is 86Sec, and high-temperature area baseline and charge level temperature curve descending branch crosspoint t4 are 301Sec.
The absolute heat intensity of the absolute heat intensity of high-temperature area and high temperature region are as follows:
The comprehensive heat intensity of high-temperature area and high temperature regional complex heat intensity are as follows:
The exact numerical of available high-temperature area comprehensive heat intensity and high temperature regional complex heat intensity, CS1And
CS2Numerical value is higher, shows that ignition results are better, therefore, the comprehensive heat intensity CS of high-temperature area of the charge level in ignition furnace1And
High temperature regional complex heat intensity CS2Can be used as the judgement and evaluation criterion of sintering ignition furnace ignition quality, can according to
The sintering charge level arrived is fixed in the numerical value of high temperature regional complex heat intensity in the comprehensive heat intensity of high-temperature area and sintering charge level
The ignition quality of amount judgement and thoroughly evaluating sintering ignition furnace.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. the detection method of sintering charge level heat intensity in a kind of ignition furnace, which comprises the following steps:
Sintering charge level is measured by the temperature during ignition furnace by thermocouple, and the thermocouple will characterize the temperature of the temperature
Degree signal is sent to temperature controller；
Charge level temperature change curve is drawn according to the temperature signal that the temperature controller receives；
In the charge level temperature change curve, high temperature of the sintering charge level in ignition furnace is determined by high-temperature area baseline
The initial position in region and final position；
High-temperature area in the charge level temperature change curve is obtained according to the initial position of the high-temperature area and final position
It is absolutely heated strong to obtain sintering charge level high-temperature area in the ignition furnace according to the area of the high-temperature area for area
Degree；
The sintering charge level is obtained according to the speed of service of the absolute heat intensity of high-temperature area and pallet in the ignition furnace
In the comprehensive heat intensity of high-temperature area；
In the charge level temperature change curve, determine the sintering charge level in ignition furnace by high temperature region baseline
The initial position of high-temperature area and final position；
High temperature area in the charge level temperature change curve is obtained according to the initial position in the high temperature region and final position
The area in domain, according to the area in the high temperature region and the sintering charge level, high-temperature area is absolutely heated in the ignition furnace
Intensity obtains the sintering charge level absolute heat intensity in high temperature region in the ignition furnace；
The sintering feed is obtained according to the speed of service of the absolute heat intensity in high temperature region and pallet in the ignition furnace
Face is in high temperature regional complex heat intensity；
It is heated in high temperature regional complex in the comprehensive heat intensity of high-temperature area and the sintering charge level according to the sintering charge level
Intensity obtains the ignition quality of sintering ignition furnace.
2. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, which is characterized in that described logical
It crosses thermocouple and measures sintering charge level and by the temperature during ignition furnace include:
The thermocouple is evenly arranged in the sintering machine transverse direction.
3. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, it is characterised in that:
The high-temperature area baseline corresponds to the temperature line of solid fuel completely burned in the ignition furnace in sinter bed.
4. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, it is characterised in that:
The initial position of the high-temperature area is high-temperature area baseline described in the charge level temperature change curve and the sintering
The crosspoint of charge level temperature curve ascent stage, the final position of the high-temperature area are described in the charge level temperature change curve
The crosspoint of high-temperature area baseline and the sintering charge level temperature curve descending branch.
5. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, which is characterized in that according to institute
The area for stating high-temperature area obtains the sintering charge level absolute heat intensity in high temperature region in the ignition furnace and includes:
Wherein, AS1To be sintered the absolute heat intensity of charge level high temperature, unit is DEG C .S；T1 is high-temperature area baseline and sintering charge level temperature
It writes music the crosspoint of line ascent stage, unit Sec；T2 is that high-temperature area baseline intersects with sintering charge level temperature curve descending branch
Point, unit Sec；T is the residence time for being sintered charge level in ignition furnace, unit Sec；T is the real time temperature for being sintered charge level,
Unit is DEG C.
6. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, which is characterized in that according to institute
The speed of service for stating the absolute heat intensity of high-temperature area in ignition furnace and pallet obtains the sintering charge level in high-temperature area
Integrating heat intensity includes:
Wherein, CS1For the comprehensive heat intensity of sintering charge level high temperature, unit is DEG C .m；V is the pallet speed of service, unit m/
s；AS1To be sintered the absolute heat intensity of charge level high temperature.
7. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, it is characterised in that:
High temperature region baseline corresponds to the temperature line that solid fuel in sinter bed starts burning in the ignition furnace.
8. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, it is characterised in that:
The initial position in the high temperature region be the charge level temperature change curve described in high temperature region baseline with it is described
It is sintered the crosspoint of charge level temperature curve ascent stage, the final position in the high temperature region is the charge level temperature change curve
Described in high temperature region baseline and it is described sintering charge level temperature curve descending branch crosspoint.
9. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, which is characterized in that according to institute
Area and the sintering the charge level absolute heat intensity of high-temperature area in the ignition furnace for stating high temperature region obtain the burning
Ramming material face absolute heat intensity in high temperature region in the ignition furnace includes:
Wherein, AS2To be sintered the absolute heat intensity of charge level high temperature, unit is DEG C .S；T1 is high-temperature area baseline and sintering charge level
The crosspoint of temperature curve ascent stage, unit Sec；T2 is high-temperature area baseline and the friendship for being sintered charge level temperature curve descending branch
Crunode, unit Sec；T3 is high temperature region baseline and the crosspoint for being sintered the charge level temperature curve ascent stage, unit Sec；
T4 is high temperature region baseline and the crosspoint for being sintered charge level temperature curve descending branch, unit Sec；T is sintering charge level in point
Residence time in stove, unit Sec；T is the real time temperature for being sintered charge level, and unit is DEG C.
10. the detection method of sintering charge level heat intensity in ignition furnace according to claim 1, which is characterized in that according to
The speed of service of the absolute heat intensity in high temperature region and pallet obtains the sintering charge level in middle height in the ignition furnace
Temperature area integrates heat intensity
Wherein, CS2For the comprehensive heat intensity of sintering charge level high temperature, unit is DEG C .m；V is the pallet speed of service, and unit is
m/s；AS2To be sintered the absolute heat intensity of charge level high temperature.
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