CN108728600A - A kind of system, the method and device of detection blast furnace crucibe activity - Google Patents
A kind of system, the method and device of detection blast furnace crucibe activity Download PDFInfo
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- CN108728600A CN108728600A CN201810596710.3A CN201810596710A CN108728600A CN 108728600 A CN108728600 A CN 108728600A CN 201810596710 A CN201810596710 A CN 201810596710A CN 108728600 A CN108728600 A CN 108728600A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
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Abstract
An embodiment of the present invention provides a kind of system, the method and devices of detection blast furnace crucibe activity, are related to blast furnace crucibe Activity determination technical field, slag iron retention rate is calculated can accurately reflect the activity of blast furnace crucibe in real time.The system includes：The first container, second container, heating furnace, temperature sensor, measuring device and processor, wherein the first container for holding slag iron is buckled on the second container for holding round and smooth char particle, and two containers are hung in heating furnace；Temperature sensor is placed in designated position above the first container, for measuring slag iron temperature；Measuring device is used to measure gross mass after the initial slag iron quality that the first container holds, the initial gross mass for holding the first container of slag iron and holding the second container of round and smooth char particle and heating；Processor is used to, according to above three quality, determine slag iron retention rate, using the first reference value as evaluation blast furnace crucibe activity.During technical solution provided by the invention is applicable in determining blast furnace crucibe activity.
Description
【Technical field】
The present invention relates to blast furnace crucibe Activity determination technical fields more particularly to a kind of detection blast furnace crucibe activity to be
System, method and device.
【Background technology】
Currently, due to the deterioration of ironmaking crude fuel resource, rate of driving is soaring, the blast furnace quantity of slag is significantly increased, cupola well stock column is saturating
Gas liquid permeability variation and other reasons, leads to blast furnace crucibe Frequent Accidents, major safety risks and warp is brought to production process
Ji loss.Therefore, in order to realize that blast furnace safety is reliable, reduces blast furnace cost of consumed resource, the determination blast furnace crucibe of precise and high efficiency
Activity becomes critical issue urgently to be resolved hurrily.
In the prior art, the quantizating index of detection blast furnace crucibe activity mainly has Hearth active index, furnace cylinder working to go out
Iron index, blast furnace furnace core temperature etc..Wherein, Hearth active index, by each layer center electric thermo-couple temperature mean value of cupola well furnace bottom and stove
Each layer electric thermo-couple temperature mean value of cylinder side wall determines；Or the resistance system of the resistance coefficient and outflow cupola well of cupola well is flowed by slag iron
The sum of number is characterized；Or it is based on Hearth active index model, it is true by dead stock column pressure difference degree and dead stock column slag temperature intensity
It is fixed；Or it is based on physical thermal exponential model, it is weighed with molten iron physical thermal and the correspondence of molten iron silicon content chemical heat.Stove
Cylinder working taps a blast furnace index, is using yield of tapping a blast furnace blast furnace day as the parameter for judging blast furnace crucibe activity.Blast furnace furnace core temperature is
Standard of the one's will dies within one stock column temperature as judge Active hearth condition using in blast furnace crucibe.
Currently, the quantizating index of these detection blast furnace crucibe activities is mainly according to practical production experience, by blast furnace
The parameter reflected characterizes Active hearth condition character condition indirectly.
In realizing process of the present invention, inventor has found that at least there are the following problems in the prior art：
According to practical production experience, Active hearth condition is characterized by the parameter that blast furnace reflects indirectly, can not intuitively be reacted
The time of day for going out blast furnace crucibe slag iron and coke, the method for determining blast furnace crucibe activity have certain hysteresis quality, lack
To the theoretical direction of actual production.
【Invention content】
In view of this, an embodiment of the present invention provides a kind of system, the method and device of detection blast furnace crucibe activity, it can
Intuitively to reflect the time of day of slag iron and coke inside blast furnace crucibe, enlivening for blast furnace crucibe is accurately determined in real time
Property.
In a first aspect, the embodiment of the present invention provides a kind of system of detection blast furnace crucibe activity, the system comprises：The
One container, second container, heating furnace, temperature sensor, measuring device and processor,
For the first container for holding slag iron, hole is arranged in the second container bottom, for holding round and smooth char particle,
The first container back-off of slag iron is held on the second container for holding round and smooth char particle, the first container for holding slag iron and institute
It states and holds the second container of round and smooth char particle and hang in the heating furnace；
The heating furnace is used for analog blast furnace actual temperature, to heat the slag iron that the first container is held；
The temperature sensor is placed in designated position above the first container, for measuring slag iron temperature；
The measuring device is used to measure the initial slag iron quality that the first container holds, described holds the first of slag iron
Gross mass after the initial gross mass and heating of container and the second container for holding round and smooth char particle；
The processor is used for according to total matter after the initial slag iron quality, the initial gross mass and the heating
Amount, determines slag iron retention rate.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the system is also
Including：
Third container, the third container are located at the lower section of the second container, the hole for receiving the second container
The slag iron melt liquid flowed out at hole.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the measurement dress
It sets including balance.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described first holds
Device is magnesia crucible, and the second container is graphite crucible.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, it is described to hold slag
The first container of iron is provided with sealing film layer.
Second aspect, the embodiment of the present invention provide a kind of method of detection blast furnace crucibe activity, are suitable for as above any
System described in aspect and any possible realization method, the method includes：
The initial slag iron quality that the first container is held is obtained, and obtains the first container for holding slag iron and holds round and smooth char particle
Second container initial gross mass；
It heats in the slag iron held to the first container, after slag iron reaches assigned temperature, is held described in acquisition
Gross mass after the heating of the first container of slag iron and the second container for holding round and smooth char particle；
According to gross mass after the initial slag iron quality, the initial gross mass and the heating, determine that slag iron is detained
Rate, using the first reference value as evaluation blast furnace crucibe activity.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the method is also
Including：
In slag iron heating process, obtains the initial time of drippage slag iron melt liquid and terminate the time；
According to the initial time and it is described terminate the time and determine the dropleting speed of slag iron melt liquid, using as evaluation
Second reference value of blast furnace crucibe activity.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the slag iron are stagnant
Shown in the expression formula such as formula (1) for staying rate：
Wherein, ηzIndicate that slag iron retention rate, m indicate that the initial slag iron quality, M1 indicate the initial gross mass, M2 tables
Show gross mass after the heating.
The third aspect, the embodiment of the present invention provide a kind of device of detection blast furnace crucibe activity, and described device includes：
First acquisition unit, the initial slag iron quality held for obtaining the first container, and obtain and hold the first of slag iron
The initial gross mass of container and the second container for holding round and smooth char particle；
Second acquisition unit waits for that slag iron reaches specified temperature for being heated in the slag iron held to the first container
Gross mass after the first container of slag iron and the heating for the second container for holding round and smooth char particle is held after degree, described in acquisition；
First determination unit, for according to total after the initial slag iron quality, the initial gross mass and the heating
Quality determines slag iron retention rate, using the first reference value as evaluation blast furnace crucibe activity.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described device is also
Including：
Third acquiring unit, in slag iron heating process, obtain drippage slag iron melt liquid initial time and
Terminate the time；
Second determination unit, the drop for determining slag iron melt liquid according to the initial time and the termination time
Terminal-velocity degree, using the second reference value as evaluation blast furnace crucibe activity.
An embodiment of the present invention provides a kind of system, the method and devices of detection blast furnace crucibe activity, by holding slag
The first container of iron, the second container for holding char particle, heating furnace, measuring device, temperature sensor and processor are to State of Blast Furnace
Slag iron molten liquid passes through the process of char particle accurately to be simulated in cylinder, has intuitively reflected slag iron inside blast furnace crucibe and has smelted very
Real state, the initial slag iron quality held based on the first container in this system are held the first container of slag iron and hold round and smooth coke
Grain second container initial gross mass and heating after the calculated slag iron retention rate of gross mass, can be promptly and accurately reflect
The activity of blast furnace crucibe, to carry out theoretical direction to actual production.
【Description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is a kind of system schematic of detection blast furnace crucibe activity provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of detection blast furnace crucibe activity provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of another detection blast furnace crucibe activity provided in an embodiment of the present invention；
Fig. 4 is that a kind of titaniferous first slag molten liquid provided in an embodiment of the present invention passes through the pattern schematic diagram after char particle；
Fig. 5 is a kind of composition frame chart of detection blast furnace crucibe activity device provided in an embodiment of the present invention；
Fig. 6 is the composition frame chart of another detection blast furnace crucibe activity device provided in an embodiment of the present invention.
【Specific implementation mode】
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, is not intended to be limiting
The present invention.In the embodiment of the present invention and "an" of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
It should be appreciated that term "and/or" used herein is only a kind of incidence relation of description affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It is filled by a large amount of coke inside blast furnace crucibe, as dead coke heap.One of the main function of dead coke heap is ensuring that
Smooth operation of furnace, internal coke window can be used as channel so that and the slag iron molten liquid that dropping zone generates can be flowed down smoothly, while
The distribution of gas fluid in blast furnace can be directly determined as the venthole inside blast furnace.The transparent liquid it can be seen that dead coke heap is breathed freely
Smelting situation inside the degree direct influence of property blast furnace crucibe.
At high operating temperatures, slag iron molten liquid can complete a series of substances transmission and physical-chemical reaction when across burnt window
Process, into the slag iron of burnt window, slag iron molten liquid can with the coke gasification reaction in burnt window, while slag iron also can in Gas Flow also
Primordial Qi precursor reactant, in addition different slag iron ingredients is different from the wetability of coke, along with character and the composition granularity of coke
Difference, these factors can all cause to be detained a certain amount of slag iron in burnt window.If slag iron passes rapidly through burnt window after entering burnt window,
The amount being detained in burnt window is seldom, then burnt window is less to the resistance of Gas Flow, and blast furnace gas can pass through burnt window and enter on blast furnace
Portion makes smooth operation of furnace, but if the slag iron that drippage enters burnt window cannot pass through burnt window in time, accumulation in burnt window can be caused a large amount of
Slag iron causes the gas permeability resistance of burnt window to increase, and then gas fluid in blast furnace is prevented to make gas fluid distrbution from passing through burnt window
It is unreasonable, eventually lead in burnt window that temperature distribution is non-uniform, blast furnace is unable to direct motion.Equally, slag iron passes through the smooth degree of burnt window
Also can be affected because of slag iron hold-up how many due in burnt window, slag iron can not be successfully through burnt window, will conflux from single logical
Road is passed through from dead coke heap side, in turn results in blast furnace crucibe inside slag iron molten liquid flow regime exception and Temperature Distribution not
Situations such as uniform, has seriously affected safety and the service life of cupola well.
It can be seen that slag iron performance and burnt window are breathed freely, liquid permeability can influence slag iron hold-up in burnt window, and then influence blast furnace
Active hearth condition.Therefore, in order to determine the activity of blast furnace crucibe, learn slag iron across the time of day of burnt window and burnt window to it
The affecting laws of retention rate are particularly important.
In view of this, an embodiment of the present invention provides it is a kind of detection blast furnace crucibe activity system, simulate slag iron from
The behavior across burnt window is dropped onto, can reflect that slag iron passes through the time of day of burnt window, and slag iron retention rate can be calculated,
During determining blast furnace crucibe activity.
It should be noted that the slag iron mentioned in the embodiment of the present invention, can be in clinker, slag iron mixture, iron liquid
Any one.
As shown in Figure 1, the system comprises：The first container 11, heating furnace 13, temperature sensor 14, is surveyed second container 12
Measure device 15 and processor 16.
Wherein, the first container 11 is for holding slag iron, and hole is arranged in 12 bottom of the second container, for holding
Round and smooth char particle, hold the back-off of the first container 11 of slag iron in holding on the second container 12 of round and smooth char particle, the slag iron that holds
The first container 11 and the second container 12 for holding round and smooth char particle are hung in the heating furnace 13.
It should be noted that for the state of coke in real simulation blast furnace crucibe, usually select in blast furnace actual production
Coke, and coke is broken into char particle, to char particle carry out it is round and smooth after, be just used in method provided in an embodiment of the present invention.
In view of the feasibility of implementation, the material of the first container 11 should not generate instead at high operating temperatures with slag iron
It answers, the material of second container 12 should not generate at high operating temperatures with coke reacts, therefore magnesia can be used in the first container 11
Crucible (can be used for holding slag iron mixture) or corundum crucible (can be used for holding iron liquid) or molybdenum crucible (can be used for holding clinker)；
Second container 12 is usually graphite crucible.
13 analog blast furnace actual temperature of the heating furnace, for heating the slag iron that the first container 11 is held.
The temperature sensor 14 is placed in 11 top designated position of the first container, for measuring slag iron temperature.
The measuring device 15 is used to measure initial slag iron quality that the first container 11 holds, the slag iron that holds
Gross mass after the initial gross mass and heating of the first container 11 and the second container 12 for holding round and smooth char particle.
In specific application scenarios, heating furnace 13 can be high temperature process furnances, and temperature sensor 14 can be thermocouple,
Measuring device 15 can be balance.
It should be noted that as shown in Figure 1, in order to conveniently hold the first of slag iron to described during heating
The variable condition of the gross mass of container 11 and the second container 12 for holding round and smooth char particle is observed in real time, can will be described
The first container 11 and the second container 12 for holding round and smooth char particle for holding slag iron are suspended in the measuring device 15 (i.e.
Measuring device 15 can be with the first container 11 for holding slag iron described in real-time display and the second container 12 for holding round and smooth char particle
Gross mass).And the first container 11 and the second container 12 is made to be located at the constant temperature zone in heating furnace 13.
The processor 16 is used for according to total matter after the initial slag iron quality, the initial gross mass and the heating
Amount, determines slag iron retention rate.
In alternative embodiments, the first container 11 for holding slag iron is provided with sealing film layer.Specific example is such as：
It is (a kind of optional with adhesive tape after the slag iron (slag iron mixture) of certain mass is put into magnesia crucible after weighing fritting
Seal film layer) sealing magnesia crucible and by slag iron to adhesive tape one end densification, then magnesia crucible is buckled into holding circle
The graphite crucible of sliding char particle, ensures that adhesive tape is close to char particle.
Optionally, as shown in Figure 1, the system also includes third container 17, the third container 17 is located at described the
The lower section of two containers 12, the slag iron melt liquid flowed out at the hole for receiving the second container 12.
In specific application scenarios, third container 17 can be corundum crucible.
Foregoing invention embodiment provides a kind of system of detection blast furnace crucibe activity, holds by hold slag iron first
Device 11, the second container 12 for holding char particle, heating furnace 13, temperature sensor 14, measuring device 15 and processor 16 simulate height
Slag iron molten liquid passes through the process of char particle in stove cupola well, has intuitively reflected the true shape of slag iron and char particle inside blast furnace crucibe
State, the initial slag iron quality held based on the first container 11 in this system are held the first container 11 of slag iron and hold round and smooth coke
The calculated slag iron retention rate of gross mass after the initial gross mass of the second container 12 of grain and heating.It is characterized by slag iron retention rate
Burnt window flows through the delay effect of slag iron and slag iron the smooth degree of burnt window, and slag iron retention rate shows more greatly burnt window to slag iron stream
Dynamic inhibition is stronger, and slag iron hold-up is more, and flowing is more difficult, and the activity of blast furnace crucibe is poorer；Retention rate is smaller, then
Illustrate that the activity of blast furnace crucibe is better.Therefore, what scheme provided in an embodiment of the present invention can be promptly and accurately reflects blast furnace
The activity of cupola well, and then theoretical direction is carried out to actual production.
A kind of method of detection blast furnace crucibe activity of the embodiment of the present invention, is suitable for above-mentioned detection blast furnace crucibe activity
System, as shown in Fig. 2, the method includes：
S201, the initial slag iron quality that the first container is held is obtained, and obtains the first container for holding slag iron and holds circle
The initial gross mass of the second container of sliding char particle.
S202, it is heated in the slag iron held to the first container, after slag iron reaches assigned temperature, described in acquisition
Hold gross mass after the first container of slag iron and the heating for the second container for holding round and smooth char particle.
For the accuracy of safe operation and experiment, when being heated to the first container for holding slag iron, can add
The argon gas of high-purity is passed through in hot stove as protection gas.
It should be noted that when being heated to the slag iron that the first container is held, with the raising of temperature, slag iron can be by
Gradually soften, melt, and across the round and smooth char particle of second container, goes down from the bottom hole drippage of second container.Therefore slag is held
The first container of iron and the gross mass for the second container for holding round and smooth char particle can be also gradually reduced, until gross mass reaches stable shape
When state, the first container is heated in stopping, should gross mass at this time as the first container for holding slag iron and be held round and smooth coke
Gross mass after the heating of the second container of grain.
S203, according to gross mass after the initial slag iron quality, the initial gross mass and the heating, determine slag iron
Retention rate, using the first reference value as evaluation blast furnace crucibe activity.
If using ηzIndicate that slag iron retention rate, m indicate that the initial slag iron quality, M1 indicate the initial gross mass, M2 tables
Show gross mass after the heating, then：
The drippage quality of slag iron molten liquid：M0=M1-M2
The delay quality of slag iron：Mz=m-M0
Final slag iron retention rate ηzExpression formula can be as shown in formula (1)：
The smooth degree that burnt window flows through the delay effect of slag iron and slag iron burnt window can be characterized by slag iron retention rate,
Slag iron retention rate shows that more greatly the inhibition that burnt window flows slag iron is stronger, and slag iron hold-up is more, flows more difficult, blast furnace
The activity of cupola well is poorer；Retention rate is smaller, then illustrates that the activity of blast furnace crucibe is better.
Foregoing invention embodiment provides a kind of method of detection blast furnace crucibe activity, holds by hold slag iron first
Slag iron in device, the second container for holding char particle, heating furnace, temperature sensor, measuring device and processor simulation blast furnace crucibe
Molten liquid passes through the process of char particle, has intuitively reflected the time of day of slag iron and char particle inside blast furnace crucibe, has been based on this
The initial slag iron quality of the first container in system holds the first container of slag iron and holds the initial total of the second container of round and smooth char particle
The calculated slag iron retention rate of gross mass after quality and heating, the activity for reflecting blast furnace crucibe that can be promptly and accurately, with
Theoretical direction is carried out to actual production.
Furthermore, it is understood that in conjunction with preceding method flow, in the heating process of slag iron, the drippage speed of slag iron molten liquid is considered
Degree can also reflect the activity of blast furnace crucibe, and the alternatively possible realization method of the embodiment of the present invention additionally provides following
Specific method flow, as shown in figure 3, the method further includes：
S301, in slag iron heating process, obtain drippage slag iron melt liquid initial time and terminate the time.
S302, the dropleting speed that slag iron melt liquid is determined according to the initial time and the termination time, to make
To evaluate the second reference value of blast furnace crucibe activity.
Specifically, the first container for holding slag iron and the second container for holding round and smooth char particle are suspended on measurement
On device, the time that the measuring device registration starts variation directly reflects that slag iron molten liquid starts the time of drippage, Ke Yiji
Make t1, after being heated to slag iron, the time stablized according to the measuring device registration can determine the time that drippage terminates, and be denoted as
t2；The then Drain time section ▽ t=t2-t1 of slag iron molten liquid.
The Drain time section of slag iron molten liquid can reflect the drippage rate size of slag iron molten liquid.Drain time area
Between it is smaller, slag iron molten liquid can more quickly move through coke heap, then can be shown that the flowing of slag iron inside blast furnace crucibe is more smooth, together
When also can be shown that the activity of blast furnace crucibe is better, conversely, activity is poorer.
In method provided in an embodiment of the present invention, the installation of the first container and second container and win it is very convenient, and
After slag iron molten liquid drips, slag iron molten liquid can also be recycled, and continues subsequent detection observation.Such as it can be to cold
But filling resin treatment is carried out to the second container of room temperature, and then observes its section to study pattern shape of the slag iron across char particle when
State, and observe burnt window inner air vent and slag iron molten liquid delay feature；And further between slag iron and char particle interface phase character into
The influencing mechanism of char particle character and slag iron component to slag iron retention rate is specified in row microscopic analysis.
Based on above-mentioned analytic process, an embodiment of the present invention provides concrete implementation methods, to test FeO in titaniferous first slag
(ferrous oxide) and TiO2For the influence of (titanium dioxide) to first slag retention rate, specific method flow includes：
Step 1 takes a certain steel plant's blast furnace coke, and it is small between 10~12mm (millimeter) that coke is broken into diameter
Char particle, it is then round and smooth to the progress of small char particle, round and smooth good small char particle is put into the graphite crucible of bottom hole, coke layer height
For 60mm.
Step 2 weighs titaniferous first slag after 100g (gram) fritting of six groups of heterogeneities, is respectively put into every group of titaniferous first slag
Blend compounds band seals in molybdenum crucible, and by titaniferous first slag to adhesive tape one end densification, adhesive tape is close to coke grain, then falls molybdenum crucible
Buckle into graphite crucible.
Wherein, just slag ingredient is as shown in table 1 for six groups of titaniferous：
1 titaniferous first slag component list (unit of table：Mass percent wt%)
Wherein, in table 1, CaO refers to calcium oxide, SiO2Refer to silica, Al2O3Refer to that aluminium oxide, MgO refer to
Be magnesia.It should be noted that, although in the first slag ingredient of six groups of titaniferous, CaO and SiO2Mass percent it is different, still
In every group of titaniferous first slag, CaO and SiO2Molar ratio be identical, i.e., the dual alkalinity of six groups titaniferous first slags is consistent,
CaO and SiO2The variable of the first slag ingredient of every group of titaniferous is not constituted.
Corundum crucible is put into high-temperature tubular furnace bottom to receive the titaniferous first slag molten liquid after char particle, so by step 3
Graphite crucible is suspended on balance afterwards, recording balance registration, and thermocouple bottom end is placed at the 5mm of molybdenum crucible top.
Step 4, selection high-purity argon gas do protection gas and are passed through, and are then heated to titaniferous first slag.With the raising of temperature,
Adhesive tape can vapor away, and titaniferous first slag gradually softens, melts and dripped across char particle into corundum crucible, and balance registration also can be by
It is decrescence small, terminate to heat up until balance registration is stablized, again recording balance registration.
Step 5, the data obtained to six groups of titaniferous first slags of heating arrange, and pass through the change of balance registration shown in table 2
Change and initial titaniferous first slag Mass Calculation obtains the retention rate of first slag.
2 titaniferous first slag of table passes through the situation of change of char particle (titaniferous first slag initial mass is 100g)
Compare the 1st group, the 4th group, the 6th group of data result can be seen that when FeO contents are fixed as 15%, TiO2Do not surpass
When 10%, TiO2Influence of the content to first slag retention rate is little.But work as TiO2When content reaches 15%, first slag retention rate is then big
Width increase, thus can inference in the case of titaniferous amount height, Active hearth condition is relatively poor, this is and blast furnace crucibe practical operation
What condition was consistent.In addition six groups of first slag retention rate results are observed it is found that working as FeO contents and TiO2When content is 10%, contain
Titanium first slag retention rate is minimum, and blast furnace crucibe activity is best at this time.
Graphite crucible after terminating heating, is quickly taken out and is cooled down by step 6, be cooled to after room temperature to char particle into
Row fills resin treatment.Wherein, six groups of titaniferous first slag molten liquids pass through the pattern after char particle successively as (1) in Fig. 4, (2), (3),
(4), (5), (6) are shown.
Technical solution provided in an embodiment of the present invention can solve different coke characters, slag iron constituent and ingredient
Under conditions of mixture ratios, influence problem of the burnt window to slag iron retention rate.And it may further be worn by analyzing slag iron in blast furnace crucibe
Variation relation of the quality with Drain time is dripped during overfocus window, specifies slag iron drippage rate and slag iron retention rate with slag iron group
At ingredient, the changing rule of composition proportion and coke character.
The embodiment of the present invention provides a kind of device of detection blast furnace crucibe activity, is suitable for above method flow, such as Fig. 5
Shown, described device includes：
First acquisition unit 51, the initial slag iron quality held for obtaining the first container, and obtain and hold the of slag iron
The initial gross mass of one container and the second container for holding round and smooth char particle.
Second acquisition unit 52 waits for that slag iron reaches specified for being heated in the slag iron held to the first container
Gross mass after the first container of slag iron and the heating for the second container for holding round and smooth char particle is held after temperature, described in acquisition.
First determination unit 53, after according to the initial slag iron quality, the initial gross mass and the heating
Gross mass determines slag iron retention rate, using the first reference value as evaluation blast furnace crucibe activity.
Optionally, as shown in fig. 6, described device further includes：
Third acquiring unit 61, in slag iron heating process, obtain the initial time of drippage slag iron melt liquid with
And terminate the time.
Second determination unit 62, for determining slag iron melt liquid according to the initial time and the termination time
Dropleting speed, using the second reference value as evaluation blast furnace crucibe activity.
Foregoing invention embodiment provides a kind of device of detection blast furnace crucibe activity, holds by hold slag iron first
Slag iron in device, the second container for holding char particle, heating furnace, temperature sensor, measuring device and processor simulation blast furnace crucibe
Molten liquid passes through the process of char particle, has intuitively reflected the time of day of slag iron and char particle inside blast furnace crucibe, has been based on this
The initial slag iron quality of the first container in system holds the first container of slag iron and holds the initial total of the second container of round and smooth char particle
The calculated slag iron retention rate of gross mass after quality and heating, the activity for reflecting blast furnace crucibe that can be promptly and accurately, with
Theoretical direction is carried out to actual production.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
The medium of program code can be stored.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (10)
1. a kind of system of detection blast furnace crucibe activity, which is characterized in that the system comprises：The first container, second container,
Heating furnace, temperature sensor, measuring device and processor,
The first container is held for holding slag iron, the second container bottom setting hole for holding round and smooth char particle
The first container back-off of slag iron is on the second container for holding round and smooth char particle, the first container for holding slag iron and the Sheng
The second container for putting round and smooth char particle is hung in the heating furnace；
The heating furnace is used for analog blast furnace actual temperature, to heat the slag iron that the first container is held；
The temperature sensor is placed in designated position above the first container, for measuring slag iron temperature；
The measuring device is for measuring initial slag iron quality, the first container for holding slag iron that the first container is held
With gross mass after the initial gross mass of the second container for holding round and smooth char particle and heating；
The processor is used for according to gross mass after the initial slag iron quality, the initial gross mass and the heating, really
Determine slag iron retention rate.
2. system according to claim 1, which is characterized in that the system also includes：
Third container, the third container are located at the lower section of the second container, at the hole for receiving the second container
The slag iron melt liquid of outflow.
3. system according to claim 1, which is characterized in that the measuring device includes balance.
4. system according to claim 1, which is characterized in that the first container is magnesia crucible, and described second holds
Device is graphite crucible.
5. system according to claim 1, which is characterized in that the first container for holding slag iron is provided with sealed membrane
Layer.
6. a kind of method of detection blast furnace crucibe activity, which is characterized in that be suitable for described in any one of claim 1 to 5
System, the method includes：
The for obtaining the initial slag iron quality that holds of the first container, and obtaining the first container for holding slag iron and holding round and smooth char particle
The initial gross mass of two containers；
It is heated in the slag iron held to the first container, after slag iron reaches assigned temperature, slag iron is held described in acquisition
The first container and the second container that holds round and smooth char particle heating after gross mass；
According to gross mass after the initial slag iron quality, the initial gross mass and the heating, slag iron retention rate is determined, with
The first reference value as evaluation blast furnace crucibe activity.
7. according to the method described in claim 6, it is characterized in that, the method further includes：
In slag iron heating process, obtains the initial time of drippage slag iron melt liquid and terminate the time；
According to the initial time and it is described terminate the time and determine the dropleting speed of slag iron melt liquid, using as evaluation blast furnace
Second reference value of Active hearth condition.
8. according to the method described in claim 6, it is characterized in that, shown in the expression formula such as formula (1) of the slag iron retention rate：
Wherein, ηzIndicate that slag iron retention rate, m indicate that the initial slag iron quality, M1 indicate that the initial gross mass, M2 indicate institute
State gross mass after heating.
9. a kind of device of detection blast furnace crucibe activity, which is characterized in that described device includes：
First acquisition unit, the initial slag iron quality held for obtaining the first container, and obtain the first container for holding slag iron
With the initial gross mass for the second container for holding round and smooth char particle；
Second acquisition unit, for being heated in the slag iron held to the first container, after slag iron reaches assigned temperature,
Gross mass after the first container of slag iron and the heating for the second container for holding round and smooth char particle is held described in acquisition；
First determination unit is used for according to gross mass after the initial slag iron quality, the initial gross mass and the heating,
Slag iron retention rate is determined, using the first reference value as evaluation blast furnace crucibe activity.
10. device according to claim 9, which is characterized in that described device further includes：
Third acquiring unit, the initial time in slag iron heating process, obtaining drippage slag iron melt liquid and termination
Time；
Second determination unit, the drippage speed for determining slag iron melt liquid according to the initial time and the termination time
Degree, using the second reference value as evaluation blast furnace crucibe activity.
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