CN107941843A - A kind of experimental method for measuring temperature field of sintering - Google Patents
A kind of experimental method for measuring temperature field of sintering Download PDFInfo
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- CN107941843A CN107941843A CN201711122634.4A CN201711122634A CN107941843A CN 107941843 A CN107941843 A CN 107941843A CN 201711122634 A CN201711122634 A CN 201711122634A CN 107941843 A CN107941843 A CN 107941843A
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The present invention relates to iron and steel smelting technology field, there is provided a kind of experimental method for measuring temperature field of sintering, including：Dispensing, moistening, rotary drum granulation, screening, high temperature sintering；The present invention tests the contraction of the thickness for aiding in infrared radiation thermometer to measure sintering process combustion zone in real time, temperature and the bed of material by transparent sintered cup, the metallogenic temperature of sinter cake is determined using relative coordinate method, that is sinter cake sintering process Temperature Distribution in the height direction, different from the method for finite element modelling, the present invention can describe actual sintering process well.The present invention can obtain the temperature field of sintering process, and the change of amount of liquid phase, liquid phase ingredient, solid phase amount and the solid-phase component of sintering process etc. can be calculated by thermodynamic software according to temperature field, the thing facies evolution course of sinter short transverse is characterized, to realizing that it is basic that the controllable preparation of clinker mineral, the quality of improvement sinter play the role of.
Description
Technical field
The present invention relates to iron and steel smelting technology field, more particularly to a kind of experimental method for measuring temperature field of sintering.
Background technology
The combustion zone of sintering process is mainly the burning that solid fuel occurs, and causes the rise of material layer temperature and the life of liquid phase
Into in addition, the decomposition of carbonate and sulfate, the oxidation of magnetic iron ore, the thermal decomposition of bloodstone also occur in combustion zone and consolidates
Reduction of the circumgranular higher oxide of fluid fuel etc. is reacted.Due to there is " being acted on from accumulation of heat " in sintering process, from accumulation of heat
The heat effect for the hot waste gas brought into from the air and upper strata that have been preheated by upper strata heat sinter, the temperature of combustion zone with
The progress of sintering process and constantly raise, for sintering process, sintering process is not a homogeneous in the height direction
Process, the sintering reaction temperature of difference material bed height is different, causes reaction product difference, generation amount of liquid phase different, sinter
Quality would also vary from.
Research for sintering process combustion zone, it is main to concentrate two methods of finite element modelling and sintered cup experiment.These
Burning, the foundation of mathematical Model of Heat Transfer simulate the changing rule of uniforming sintering process combusts band well, yet with sintering
Process be it is heterogeneous, mathematical model fail effectively consider sintered material high temperature properties, sinter physical field gravity,
The factors such as sinter bed contraction, therefore also there are larger difference with real sintering process for mathematical model, it is impossible to well
Actual sintering process is described.The research for sintering flame front was still rare in the past, and studied multi-purpose conventional steel and burn
Tie cup and thermocouple carries out experimental study, it is impossible to intuitively obtain the characteristic information of flame front, and cannot and survey in real time
Measure the contraction of the thickness, the bed of material of combustion zone.
The patent of invention " a kind of method for measuring temperature field in sintering furnace " of Cai's ball, Wu Jianguo et al. application is to utilize hard
The coercive force of alloy test block is the same as the correspondence of temperature when sintering, the coercive force of the test block sintered by detection with stove
The size of force value, carrys out the Temperature Distribution at each position in indirect reaction stove, can obtain the Temperature Distribution at each position in sintering furnace, but
Thickness and contraction to the bed of material in sintering process do not react intuitively.Patent of invention " the rotary kiln of Peng Hui, Chen Qing et al. application
Temperature of charge field recognition method in kiln " is to obtain certain temperature for putting material using infrared measurement of temperature mode, and infrared radiation thermometer is mounted
Protected on movable holder outside rotary kiln end and by stainless steel protection case, survey is made by driving stepper motor activity holder
If warm instrument camera lens is obtained inside rotary kiln in a manner of choosing to install scanning up and down along the temperature for doing material of kiln body axial directional distribution
Degrees of data.
The content of the invention
The purpose of the present invention is exactly to have overcome the deficiencies of the prior art and provide a kind of experiment for measuring temperature field of sintering
Method, can obtain sinter cake sintering process Temperature Distribution in the height direction, and the thickness and the bed of material for measuring combustion zone in real time are shunk；
The temperature field obtained by the present invention, can calculate amount of liquid phase, liquid phase ingredient, the solid phase amount of sintering process by thermodynamic software
With the change of solid-phase component etc., migration and the bed of material shrinking law of sintering process combustion zone are summarized, can for realize clinker mineral
Quality that is standby, improving sinter is controlled to play the role of basic.
Technical scheme is as follows：
A kind of experimental method for measuring temperature field of sintering, includes the following steps：
Step 1: Sintering Blend：Being consistent with ore deposit scheme with ore deposit scheme and sintering plant of experiment；Wherein each component
It is respectively by mass fraction：Fe 55%~60%；SiO23%~6%；MgO 0.8%~1.2%；The sinter alkali prepared
Degree is maintained at 1~3, and the basicity is CaO/SiO2Mass percent；
Step 2: moistening：Each component is sufficiently mixed, amount of water is added and reaches required wettability, mixed
Material；
Step 3: rotary drum is pelletized：After the mixture quick aging, the mixture is transferred in rotary drum and is made
Grain；
Step 4: screening：Particle size range is screened out for the sinter of 10mm~12.5mm, and takes 1~3 kilogram of process
The sinter of screening, which is put into transparent quartzy sintered cup, is used as raw material；
Step 5: high temperature sintering：Sintering experiment is real by transparent sintered cup using quartzy sintered cup made of high purity quartz
Test the temperature that auxiliary infrared thermometer measures the sinter sintering process combustion zone；Experimental temperature is measured by infrared thermometer,
HD video recording is carried out to the overall process of experiment.
Further, the sinter basicity in step 1 controls by adjusting flux additive amount.
Further, in step 3, the long 400mm~600mm of rotary drum, diameter 100mm~300mm；The rotary drum turns
Speed is 16~18 revs/min, and the time of granulation is 1~5 minute.
Further, in step 4, the thickness of the quartz sintered cup is 4mm~6mm, a diameter of 130mm~150mm.
Further, in step 5, the temperature-measuring range of the infrared thermometer is -50 DEG C~2200 DEG C, and measurement accuracy is
0.1~1 DEG C.
Further, in step 5, to the sinter in the quartzy sintered cup at a temperature of 1050 DEG C ± 50 DEG C point
Fire 1~3 minute, and 5~7 kPas of suction is kept in ignition process, 9~11 kPas of suction is then kept in sintering process
Power.
Further, in step 5, the contraction of the thickness, the bed of material of combustion zone is measured in real time；Measured by fixed graduated scale
The thickness of the combustion zone and the contraction height of the bed of material.
Further, in step 5, the metallogenic temperature of sinter cake, i.e. sinter cake sintering process are determined using relative coordinate method
Sinter cake, is divided into several regions by Temperature Distribution in the height direction in the height direction, this is obtained using Integral Mean Value method
The sintering temperature in region, the calculation formula of the temperature of every part of combustion zone are as follows：
Wherein：For combustion zone temperature, T is the temperature of respective heights, τ0For combustion zone lower boundary height, τ is on combustion zone
Boundary height.
Further, the fixed graduated scale is arranged on the quartz sintering cup sidewall.
Further, the sinter cake is divided into 6 regions in the height direction.
Beneficial effects of the present invention are；
1st, since the temperature of combustion zone can be more than 1300 DEG C, sintering test usually carries out in steel sinters tank, so that
Sintering process is caused not seen；Used in sintering test of the present invention is transparent quartzy sintered cup, therefore, many important experiments
Data, as the movement or migration of the thickness and temperature and flame front of combustion zone directly or can be measured accurately, promote
The further research of sintering process；
2nd, measurement temperature field of sintering experiment employed in be infrared radiation thermometer, can accurately measure burning
The temperature of band and the temperature field of sintering process, and the liquid phase of sintering process can be calculated by thermodynamic software according to temperature field
The change of amount, liquid phase ingredient, solid phase amount and solid-phase component etc., characterizes the thing facies evolution course of sinter short transverse, to realizing
The controllable preparation of clinker mineral, the quality of improvement sinter play the role of basic.
Brief description of the drawings
Fig. 1 show sintered cup experimental principle figure in the embodiment of the present invention.
Fig. 2 show measurement combustion zone and the bed of material shrinks situation schematic diagram.
Fig. 3 show the acquisition method schematic diagram of sinter.
Embodiment
The specific embodiment of the invention is described in detail below in conjunction with specific attached drawing.It should be noted that in following embodiments
The combination of the technical characteristic or technical characteristic of description is not construed as isolated, they can be mutually combined so as to reaching
To superior technique effect.In the attached drawing of following embodiments, identical label that each attached drawing occurs represent identical feature or
Person's component, can be applied in different embodiments.
A kind of experimental method for measuring temperature field of sintering of the embodiment of the present invention, includes the following steps：
Step 1: Sintering Blend：Being consistent with ore deposit scheme with ore deposit scheme and sintering plant of experiment；Wherein each component
It is respectively by mass fraction：Fe 55%~60%；SiO23%~6%；MgO 0.8%~1.2%；The sinter alkali prepared
Degree is maintained at 1~3, is controlled by adjusting flux additive amount, the basicity is CaO/SiO2Mass percent；
Step 2: moistening：Each component is sufficiently mixed, amount of water is added and reaches required wettability, mixed
Material；
Step 3: rotary drum is pelletized：After the mixture quick aging, the mixture is transferred in rotary drum and is made
Grain；
Step 4: screening：Particle size range is screened out for the sinter of 10mm~12.5mm, and takes 1~3 kilogram of process
The sinter of screening, which is put into transparent quartzy sintered cup, is used as raw material；
Step 5: high temperature sintering：Sintering experiment is real by transparent sintered cup using quartzy sintered cup made of high purity quartz
Test the temperature that auxiliary infrared thermometer measures the sinter sintering process combustion zone；Experimental temperature is measured by infrared thermometer,
HD video recording is carried out to the overall process of experiment.
Preferably, in step 3, the long 400mm~600mm of rotary drum, diameter 100mm~300mm；The rotary drum rotating speed
For 16~18 revs/min, the time of granulation is 1~5 minute.
Preferably, in step 4, the thickness of the quartz sintered cup is 4mm~6mm, a diameter of 130mm~150mm.
Preferably, the temperature-measuring range of the infrared thermometer is -50 DEG C~2200 DEG C, and measurement accuracy is 0.1~1 DEG C.
In step 5, light a fire 1~3 point at a temperature of 1050 DEG C ± 50 DEG C to the sinter in the quartzy sintered cup
Clock, and 5~7 kPas of suction is kept in ignition process, 9~11 kPas of suction is then kept in sintering process.In real time
Measure the contraction of the thickness, the bed of material of combustion zone；The contraction that the thickness and the bed of material of the combustion zone are measured by fixed graduated scale is high
Degree, it is preferred that the fixed graduated scale is arranged on the quartz sintering cup sidewall.
The metallogenic temperature of sinter cake is determined using relative coordinate method, i.e., sinter cake sintering process in the height direction divide by temperature
Sinter cake, is divided into several regions by cloth in the height direction, is preferably 6 regions, the region is obtained using Integral Mean Value method
Sintering temperature, the calculation formula of the temperature of every part of combustion zone is as follows：
Embodiment 1
Experimental provision is as shown in Figure 1.
1st, material property：
The raw materials such as iron ore, flux (quick lime, lime stone), sinter return fine, slag, coke powder are public by China Steel Group
Department provides；Consistent with ore deposit scheme and sintering plant, iron in sinter, silica, the magnesia of laboratory sintering cup test
Mass fraction is kept at 57.50%, 4.94% and 1.11%.Sinter basicity (CaO/SiO2, quality %) and 2 are maintained at,
This is controlled by adjusting flux additive amount；Table 1 lists the chemical composition and ratio of raw material.
The chemical analysis (mass fraction, %) of 1 raw material of table
2nd, transparent sintered cup experiment：
Raw material are sufficiently mixed according to hybrid plan and add suitable moisture and reach required moistening
Degree；After quick aging, mixture is transferred in the rotary drum of long 500mm diameters 200mm and is pelletized, the time is 3 minutes, rotating speed
For 17 revs/min；2 kilograms of the sinter that particle size range is 10mm to 12.5mm is put into transparent quartzy sintered cup as original
Material.
Since the temperature of combustion zone can be more than 1300 DEG C, sintering test usually carries out in steel sinters tank, so as to lead
Sintering process is caused not see；Therefore, many important experimental datas, such as the thickness and temperature of combustion zone and the fortune of flame front
Dynamic or migration directly or cannot be measured accurately, hinder the further research of sintering process；In the present embodiment, sintering test
It is the high purity quartz pipe using 5mm thickness and 150mm diameters, temperature is measured by an infrared thermometer (DT-8869h), is surveyed
It is -50 DEG C -2200 DEG C to measure scope, and measurement accuracy is 0.1 DEG C；Mixture is lighted a fire 1.5 minutes at a temperature of 1050 DEG C ± 50 DEG C,
And 6 kPas of suction is kept in ignition process, 10 kPas of suction is then kept in sintering process.
3rd, the distribution and measurement of temperature field of sintering：
It is a sufficiently complex process that the migration of sintering process combustion zone and the bed of material, which are shunk, with sintering crude fuel property,
Moisture, cloth operation are related with the sintering factors such as negative pressure；Test keep sintering crude fuel and sintering condition it is certain can
Under the conditions of control, migration and Shrinkage behavior by quartzy sintered cup experimental study sintering process combustion zone；When record obtains different
Between sintering feed temperature field and the situation of movement of charge level line and combustion zone, as shown in Figure 2；Experimentation takes three groups to repeat to test
Average value as result of the test；Sinter cake is uniformly divided into 6 parts to study the ore deposit of sinter mutually drilling in short transverse
Become, as shown in Figure 3；Every part of combustion zone temperature is tried to achieve by the method approximation of formula (1) Integral Mean Value；Result of calculation such as table 2
It is shown.
2 combustion zone temperature computation result of table
Although having been presented for several embodiments of the present invention herein, it will be appreciated by those of skill in the art that
Without departing from the spirit of the invention, the embodiments herein can be changed.Above-described embodiment is only exemplary, no
Restriction that should be using the embodiments herein as interest field of the present invention.
Claims (10)
1. a kind of experimental method for measuring temperature field of sintering, it is characterised in that include the following steps：
Step 1: Sintering Blend：Being consistent with ore deposit scheme with ore deposit scheme and sintering plant of experiment；Wherein each component presses matter
Measuring fraction is respectively：Fe 55%~60%；SiO23%~6%；MgO 0.8%~1.2%；The sinter basicity prepared is protected
Hold 1~3, the basicity is CaO/SiO2Mass percent；
Step 2: moistening：Each component is sufficiently mixed, amount of water is added and reaches required wettability, obtain mixture；
Step 3: rotary drum is pelletized：After the mixture quick aging, the mixture is transferred in rotary drum and is pelletized；
Step 4: screening：Particle size range is screened out for the sinter of 10mm~12.5mm, and takes 1~3 kilogram by screening
Sinter be put into transparent quartzy sintered cup and be used as raw material；
Step 5: high temperature sintering：Sintering experiment is tested auxiliary using quartzy sintered cup made of high purity quartz by transparent sintered cup
Infrared thermometer is helped to measure the temperature of the sinter sintering process combustion zone；Experimental temperature is measured by infrared thermometer, to reality
The overall process tested carries out HD video recording.
2. the experimental method of measurement temperature field of sintering as claimed in claim 1, it is characterised in that the sintering in step 1
Ore deposit basicity controls by adjusting flux additive amount.
3. the experimental method of measurement temperature field of sintering as claimed in claim 1, it is characterised in that described in step 3
Rotary drum long 400mm~600mm, diameter 100mm~300mm；The rotary drum rotating speed is 16~18 revs/min, and the time of granulation is 1
~5 minutes.
4. the experimental method of measurement temperature field of sintering as claimed in claim 1, it is characterised in that described in step 4
The thickness of quartzy sintered cup is 4mm~6mm, a diameter of 130mm~150mm.
5. such as the experimental method of claim 1-4 any one of them measurement temperature field of sintering, it is characterised in that step 5
In, the temperature-measuring range of the infrared thermometer is -50 DEG C~2200 DEG C, and measurement accuracy is 0.1~1 DEG C.
6. such as the experimental method of claim 1-4 any one of them measurement temperature field of sintering, it is characterised in that step 5
In, light a fire 1~3 minute at a temperature of 1050 DEG C ± 50 DEG C to the sinter in the quartzy sintered cup, and ignition process
The middle suction for being kept for 5~7 kPas, will then keep 9~11 kPas of suction in sintering process.
7. such as the experimental method of claim 1-4 any one of them measurement temperature field of sintering, it is characterised in that step 5
In, the contraction of the thickness, the bed of material of combustion zone is measured in real time；The thickness and the bed of material of the combustion zone are measured by fixed graduated scale
Shrink height.
8. the experimental method of measurement temperature field of sintering as claimed in claim 7, it is characterised in that in step 5, utilize
Graduated scale and infrared radiation thermometer determine the metallogenic temperature of different height sinter cake, i.e. sinter cake sintering process is warm in the height direction
Sinter cake, is divided into several regions, the sintering temperature in the region is obtained using Integral Mean Value method by degree distribution in the height direction,
The calculation formula of the temperature of every part of combustion zone is as follows：
<mrow>
<mover>
<mi>T</mi>
<mo>&OverBar;</mo>
</mover>
<mo>=</mo>
<mfrac>
<mrow>
<msubsup>
<mo>&Integral;</mo>
<msub>
<mi>&tau;</mi>
<mn>0</mn>
</msub>
<mi>&tau;</mi>
</msubsup>
<mi>T</mi>
<mi>d</mi>
<mi>&tau;</mi>
</mrow>
<mrow>
<mi>&tau;</mi>
<mo>-</mo>
<msub>
<mi>&tau;</mi>
<mn>0</mn>
</msub>
</mrow>
</mfrac>
<mo>,</mo>
</mrow>
Wherein：For combustion zone temperature, T is the sintering temperature of respective heights, τ0For combustion zone lower boundary height, τ is on combustion zone
Boundary height.
9. the experimental method of measurement temperature field of sintering as claimed in claim 8, it is characterised in that the fixed graduated scale
It is arranged on the quartz sintering cup sidewall.
10. the experimental method of measurement temperature field of sintering as claimed in claim 8, it is characterised in that the sinter cake exists
It is divided into 6 regions in short transverse.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020177A (en) * | 2019-12-05 | 2020-04-17 | 天津钢铁集团有限公司 | Experimental method for carrying out iron ore powder sintering experiment by using sintering cup |
| CN113933338A (en) * | 2021-10-15 | 2022-01-14 | 马鞍山钢铁股份有限公司 | Sintering layered dissection test equipment and test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773681Y (en) * | 2005-02-06 | 2006-04-19 | 宝山钢铁股份有限公司 | Sintering cup experimental device with adjustable material bed height |
| CN102824932A (en) * | 2012-09-18 | 2012-12-19 | 济钢集团有限公司 | Novel sintering cup used for test |
| CN203370565U (en) * | 2013-07-31 | 2014-01-01 | 吴雪健 | Transparent sintering cup capable of inhibiting fringe effect |
| CN203422331U (en) * | 2013-08-16 | 2014-02-05 | 济钢集团有限公司 | Novel sintering pot experimental research device |
| CN105021645A (en) * | 2014-04-17 | 2015-11-04 | 宝山钢铁股份有限公司 | Test unit for online analysis of sintering process and application method thereof |
-
2017
- 2017-11-14 CN CN201711122634.4A patent/CN107941843A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773681Y (en) * | 2005-02-06 | 2006-04-19 | 宝山钢铁股份有限公司 | Sintering cup experimental device with adjustable material bed height |
| CN102824932A (en) * | 2012-09-18 | 2012-12-19 | 济钢集团有限公司 | Novel sintering cup used for test |
| CN203370565U (en) * | 2013-07-31 | 2014-01-01 | 吴雪健 | Transparent sintering cup capable of inhibiting fringe effect |
| CN203422331U (en) * | 2013-08-16 | 2014-02-05 | 济钢集团有限公司 | Novel sintering pot experimental research device |
| CN105021645A (en) * | 2014-04-17 | 2015-11-04 | 宝山钢铁股份有限公司 | Test unit for online analysis of sintering process and application method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020177A (en) * | 2019-12-05 | 2020-04-17 | 天津钢铁集团有限公司 | Experimental method for carrying out iron ore powder sintering experiment by using sintering cup |
| CN113933338A (en) * | 2021-10-15 | 2022-01-14 | 马鞍山钢铁股份有限公司 | Sintering layered dissection test equipment and test method |
| CN113933338B (en) * | 2021-10-15 | 2024-02-09 | 马鞍山钢铁股份有限公司 | Sintering layered anatomical test equipment and test method |
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Application publication date: 20180420 |