CN107543777A - The test device and method of blast furnace ferrous furnace charge soft melting dropping characteristic - Google Patents
The test device and method of blast furnace ferrous furnace charge soft melting dropping characteristic Download PDFInfo
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Abstract
The present invention relates to a kind of test device and method of blast furnace ferrous furnace charge soft melting dropping characteristic, and it includes molten drop stove, heater, graphite depression bar, thermocouple, sampling cabinet, reducibility gas and automaton, it is characterised in that：Also include support frame, elevating mechanism, loading, displacement transducer and air supply system.Described graphite depression bar is piston type graphite depression bar, described loading one end is fixedly connected with piston type graphite depression bar, the other end is fixedly connected with lifting steel wire rope, and lifting motor, air supply system and the heater of described elevating mechanism are electrically connected with automaton.It is an advantage of the invention that：By the experiment of the large-scale molten drop stove of 2kg levels, it is aided with heating reducing gas, can more precisely tests the soft melting dropping characteristic of iron ore, is that the actual raw material adjustment of blast fumance and technical research etc. provide reference frame.The accuracy and reliability of test result can be increased substantially.
Description
Technical field
The invention belongs to technical field of blast furnace process, more particularly to a kind of test of blast furnace ferrous furnace charge soft melting dropping characteristic
Device and method.
Background technology
After the iron-containing charge (including sintering deposit, pellet and lump ore) that blast furnace uses enters stove, with HTHP and chemistry
Reaction is carried out, and the gradually softening melting during decline, as temperature further raises, the iron-containing charge of melting is changed into slag
And molten iron, reach free-flowing and be accumulated into drop, cupola well is entered by cohesive zone drippage.Position, thickness and the shape of cohesive zone are determined
The gas flow distribution in blast furnace is determined, so as to influence blast furnace ironmaking process, therefore, the good metallurgical performance of iron-containing charge is to realize height
The important leverage of stove direct motion high yield, molten drop experiment can include loading softening, fusing drippage, material to the integrated metallurgical performance of furnace charge and hinder
Change etc. is detected, for determining that Proper Burden Constitution of Blast Furnace has certain directive significance.
However, the assay method of China's iron ore melt-dropping property not yet standardizes at present, institute and production unit are big
More according to the corresponding test device of respective Demand Design.Disclosed in Chinese invention patent specification CN 201110132000.3
A kind of molten drop stove for determining drop point of iron ore, the molten drop furnace body are made by resistant to elevated temperatures material, and centre forms one
The burner hearth of individual closed, is provided with heater outside burner hearth, above body of heater, is provided with hollow plumbago depression bar, hollow
Graphite depression bar enters in burner hearth through body of heater, thermocouple is set in hollow plumbago depression bar, the lower end of thermocouple passes through graphite earthenware
Graphite cake in crucible contacts with rock sample, is capable of the temperature of Accurate Determining material, can be soft as iron ore by the use of the temperature of material
Melting temperatur, drippage temperature, so as to improve the degree of accuracy of drippage temperature；Measuring camera is provided below in body of heater, passes through
Image-recognizing method can determine that molten drop time point, effectively improve the degree of accuracy of molten drop time point determining.
Disclosed in Chinese invention patent 201410337712.2 it is a kind of observe blast furnace burden molten drop process method and
System, the blast furnace burden molten drop process for high temperature molten drop stove include softening, melting and drippage stage, passed through respectively in the above-mentioned stage
Computer data image processing system receives at the time of high temperature molten drop stove furnace charge sample enters the corresponding stage information and after the receipt
X-ray source transmitting X ray is controlled, projection imaging is formed after X ray passes through high temperature molten drop stove furnace charge sample, detector, which receives, to be thrown
Shadow is imaged and is converted into data for projection information, and computer data image processing system is shown after being translated into image information, directly
The reversed molten drop characteristic parameter for reflecting furnace charge sample state, intuitively reflect the character of blast furnace melting with soft, contribute to the height of blast furnace process
Effect, low consumption and direct motion
In the method that iron-containing charge soft melting dropping characteristic is determined more than, sample dosage is few, and iron-containing charge initial mass is about
For 500g, because its density is big, 10-12.5mm iron ore sample can only place 3-4 blocks in actual mechanical process, cause to test
Reappearance it is poor；And the reducing gas used during testing is room temperature, is not inconsistent with blast furnace practical condition, by heating power
Learn principle to understand, high temperature has considerable influence for the reaction efficiency and extent of reaction of reduction reaction, using normal in molten drop experiment
The reducing gas of temperature have impact on the reliability and precision of result.
The content of the invention
It is an object of the invention to provide a kind of test device and method of blast furnace ferrous furnace charge soft melting dropping characteristic, it has
Sample size big (2kg), heating reducing gas can be provided and the features such as stock column carries out coherent detection analysis can be dissected online.
To achieve the above object, the present invention is realized using following technical scheme.
A kind of test device of blast furnace ferrous furnace charge soft melting dropping characteristic of the present invention, it includes molten drop stove and automatically controls dress
Put, described molten drop stove is made by resistant to elevated temperatures material, and centre is the burner hearth of a closed, in the burner hearth of closed
Graphite crucible is provided with, heater is provided with the outside of molten drop stove, graphite depression bar is set on molten drop stove, graphite depression bar passes through
Molten drop stove enters in burner hearth, and thermocouple is set in graphite depression bar, and the lower end of thermocouple passes through in graphite crucible and coke and ore deposit
Stone sample contacts, sampling cabinet is set below molten drop stove, the air inlet of reducibility gas is arranged on the side of sampling cabinet, and it is special
Sign is：Also include support frame, elevating mechanism, loading, displacement transducer and air supply system, support frame is arranged on molten drop
The outside of stove, described elevating mechanism include lifting motor and the lifting steel wire rope with being connected, and described lifting motor is arranged on
The top of support frame, described graphite depression bar are piston type graphite depression bar, described loading one end and piston type graphite depression bar
It is fixedly connected, the other end is fixedly connected with lifting steel wire rope, and described displacement transducer is arranged on piston type graphite depression bar, institute
Lifting motor, air supply system and the heater for the elevating mechanism stated are electrically connected with automaton.
Described air supply system is by CO gas cylinders and N2Gas cylinder, gas flow controller and gas temperature controller are formed,
Described CO gas cylinders and N2The gas outlet of gas cylinder is connected by the air inlet of connecting tube and gas flow controller, described gas
The gas outlet of flow controller is connected by connecting tube with gas temperature controller, under described gas flow controller
Portion is provided with air blower, and reducibility gas passes through gas temperature controller and connecting tube and the reproducibility for the side for being arranged on sampling cabinet
The air inlet of gas, which directly enters, participates in reduction reaction in graphite crucible.
The volume of described graphite crucible is 2kg levels, and size is internal diameter 95mm, effective length 210mm.
A kind of method of testing of blast furnace ferrous furnace charge soft melting dropping characteristic of the present invention, it is characterised in that：
(1) coke and iron ore sample are weighed, sample is loaded in graphite crucible, each 200g of levels coke, midseam
Rock layers 2000g；
(2) gas circuit is connected, graphite crucible is positioned in the burner hearth of molten drop stove using elevating mechanism, and insert piston type stone
Black depression bar, reaction tube are in center, and piston type graphite depression bar perpendicular acting is on sample；
(3) loading is placed on piston type graphite depression bar, sample is in 0.10kg/cm2Loading under, by displacement sensing
Device is connected with piston type graphite depression bar；
(4) gas temperature controller and heater power supply are connected, sets gas temperature controller target temperature as 400
DEG C -1600 DEG C, set the temperature increasing schedule of heater, be 10 DEG C/min at 0-600 DEG C；600-1000 DEG C is 5 DEG C/min；
More than 1000 DEG C, it is 3 DEG C/min, starts to warm up；
(5) when molten drop furnace temperature rises to 500 DEG C, N is passed through by molten drop furnace bottom2(flow 1l/min)；When temperature rises to
At 600 DEG C, displacement transducer zero point is corrected, while be passed through 30%CO+70%N2High-temperature reducing gas；
(6) when temperature rises to 1600 DEG C, cut off the electricity supply, read and handle computer test data；Or as needed, in ore deposit
Stone drippage is cut off the electricity supply when starting, and takes out graphite crucible and dissection is quenched under particular atmosphere, test and analyze the distribution of different material
State and the extent of reaction,
Definition softening start temperature (T0)：Sample shrinkage factor reaches temperature corresponding when 4%, DEG C；Soften end temp
(Ts)：Sample shrinkage factor reaches temperature corresponding when 40%, DEG C；Drip temperature (Tm)：Sample slag iron starts corresponding during drippage
Temperature, DEG C.
Softening temperature section：ΔT1=(Ts-T0), DEG C；
Reflowing temperature section：ΔT2=(Tm-T0), DEG C；
Δpmax, the maximum differential pressure that occurs during experiment.
The beneficial effects of the invention are as follows：The present invention is aided with by the experiment of the large-scale molten drop stove of 2kg levels and adds thermal reduction gas
Body, the soft melting dropping characteristic of iron ore can be more precisely tested, be blast fumance actual raw material adjustment and technical research
Deng offer reference frame.Whole test it is whole by computer in real time and instantaneous record data and drawing image, skill of the present invention
Art scheme can increase substantially the accuracy and reliability of test result.
Brief description of the drawings
Fig. 1 is the structural representation of the test device of the blast furnace ferrous furnace charge soft melting dropping characteristic of the present invention.
Fig. 2 is Fig. 1 A portions enlarged drawing.
Embodiment
Step explanation is carried out to the present invention below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of test device of blast furnace ferrous furnace charge soft melting dropping characteristic of the present invention, it includes molten
Drop stove and automaton 15, described molten drop stove 13 are made by stainless steel material, and centre is the stove of a closed
Thorax 21, graphite crucible 22 is provided with the burner hearth 21 of closed, heater 14 is provided with the outside of molten drop stove 13, in molten drop stove
13 set graphite depression bar 8 above, and graphite depression bar 8 enters in the burner hearth 21 of closed through molten drop stove 13, set in graphite depression bar 8
Thermocouple 7 is put, the lower end of thermocouple 7 contacts through graphite crucible 22 is interior with coke and rock sample 9, below molten drop stove 13
Sampling cabinet 16 is set, and the air inlet 17 of reducibility gas is arranged on the side of sampling cabinet, it is characterised in that：Also include support frame
18th, elevating mechanism, loading 19, displacement transducer 6 and air supply system, support frame 18 are arranged on the outside of molten drop stove 13, institute
The elevating mechanism stated includes lifting motor 10 and the lifting steel wire rope 11 with being connected, and described lifting motor 10 is arranged on carriage
The top of frame 18, described graphite depression bar 8 are piston type graphite depression bar, and its piston type graphite depression bar can try coke and ore
The pressure of top loading is uniformly born in sample face, and described one end of loading 19 is fixedly connected with piston type graphite depression bar 8, the other end
It is fixedly connected with lifting steel wire rope 11, described displacement transducer 6 is arranged on the metal column outside body of heater, with graphite depression bar 8
Connected by metallic rod, lifting motor 10, air supply system and the heater 14 of described elevating mechanism are with automatically controlling dress
Put 15 electric connections.
Described air supply system is by CO gas cylinders 1 and N25 gas cylinder 2, gas flow controller 3 and gas temperature controller groups
Into described CO gas cylinders 1 and N2The gas outlet of gas cylinder 2 is connected by connecting tube with the air inlet of gas flow controller 3, described
The gas outlet 4 of gas flow controller be connected by connecting tube with gas temperature controller 5, in described gas flow control
The bottom of device 3 processed is provided with air blower 20, and reducibility gas is by gas temperature controller 5 and connecting tube and is arranged on sampling cabinet
The air inlet 17 of the reducibility gas of side, which directly enters, participates in reduction reaction in graphite crucible.
The volume of described graphite crucible is 2kg levels, and size is internal diameter 95mm, effective length 210mm.
A kind of method of testing of blast furnace ferrous furnace charge soft melting dropping characteristic of the present invention, it is characterised in that：
(1) coke and iron ore sample 9 are weighed, sample is loaded in graphite crucible 22, each 200g of levels coke, it is middle
Ore layer 2000g；
(2) gas circuit is connected, graphite crucible is positioned in the burner hearth 21 of molten drop stove 13 using elevating mechanism, and insert piston
Formula graphite depression bar 8, reaction tube are in center, and the perpendicular acting of piston type graphite depression bar 8 is on sample；
(3) loading 19 is placed on piston type graphite depression bar 8, sample is in 0.10kg/cm2Loading under, by displacement
Sensor 6 is connected with piston type graphite depression bar 8；
(4) gas temperature controller 5 and the power supply of heater 14 are connected, set the target temperature of gas temperature controller 5 as
400 DEG C -1600 DEG C, the temperature increasing schedule of heater 14 is set, is 10 DEG C/min at 0-600 DEG C；600-1000 DEG C be 5 DEG C/
min；More than 1000 DEG C, it is 3 DEG C/min, starts to warm up；
(5) when molten drop furnace temperature rises to 500 DEG C, N is passed through by molten drop furnace bottom2(flow 1l/min)；When temperature rises to
At 600 DEG C, displacement transducer zero point is corrected, while be passed through 30%CO+70%N2High-temperature reducing gas；
(6) when temperature rises to 1600 DEG C, cut off the electricity supply, read and handle computer test data；Or as needed, in ore deposit
Stone drippage is cut off the electricity supply when starting, and takes out graphite crucible 22 and dissection is quenched under liquid nitrogen atmosphere, tests and analyzes point of different material
Cloth state and the extent of reaction,
Definition softening start temperature (T0)：Sample shrinkage factor reaches temperature corresponding when 4%, DEG C；Soften end temp
(Ts)：Sample shrinkage factor reaches temperature corresponding when 40%, DEG C；Drip temperature (Tm)：Sample slag iron starts corresponding during drippage
Temperature, DEG C.
Softening temperature section：ΔT1=(Ts-T0), DEG C；
Reflowing temperature section：ΔT2=(Tm-T0), DEG C；
Δpmax, the maximum differential pressure that occurs during experiment.
For the soft melting dropping characteristic of Accurate Determining iron-containing charge, present invention configuration can heat the 2kg levels of reducing gas
Large-scale iron ore meltdrop characteristic tests furnace apparatus, and the device can start according to the actual requirements in softening or the times such as drippage starts will
Sample is quenched and dissected and tested and analyzed.
Embodiment：
In order that the object, technical solution and advantage of patent of the present invention are more clearly understood, with reference to embodiments to this
Patent of invention is further elaborated.
The sintering deposit and pellet provided certain factory carries out melt-dropping property test, and test result is as shown in Table 1 and Table 2.
Certain the factory's sintering deposit reflow conductor roll test result of table 1
Certain the factory's pellet reflow conductor roll test result of table 2
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, to being surveyed in embodiment described above
Change, the modification of test system will all fall in the interest field of the present invention.
In the present invention test blast furnace iron ore soft melting dropping characteristic principle of device it is clear and definite, it is simple in construction, be easily assembled to and
Operation, method of testing step is clear, conveniently implements.The melt-dropping property test of iron ore can be not only completed using this device, moreover it is possible to
Sample is dissected in quenching at different temperatures according to the actual requirements, is easy to intuitively grasp under different burden structures in blast furnace diverse location
Distribution, this method may extend to related iron and steel enterprise.
Claims (4)
1. a kind of test device of blast furnace ferrous furnace charge soft melting dropping characteristic, it includes molten drop furnace body and automaton,
Described molten drop furnace body is made by resistant to elevated temperatures material, and centre is the burner hearth of a closed, in the burner hearth of closed
Graphite crucible is inside provided with, heater is provided with the outside of molten drop furnace body, graphite depression bar, stone are set on molten drop furnace body
Black depression bar enters in burner hearth through molten drop furnace body, thermocouple is set in graphite depression bar, the lower end of thermocouple passes through graphite earthenware
Contacted in crucible with coke and rock sample, sampling cabinet is set below molten drop furnace body, the air inlet of reducibility gas is set
In the side of sampling cabinet, it is characterised in that：Also include support frame, elevating mechanism, loading, displacement transducer and supply system
System, support frame are arranged on the outside of molten drop furnace body, and described elevating mechanism includes lifting motor and the lifting steel with being connected
Cord, described lifting motor are arranged on the top of support frame, and described graphite depression bar is piston type graphite depression bar, described
Loading one end is fixedly connected with piston type graphite depression bar, and the other end is fixedly connected with lifting steel wire rope, described displacement transducer
It is arranged on the metal column outside body of heater, is connected by metallic rod with piston type graphite depression bar, the lifting of described elevating mechanism
Motor, air supply system and heater are electrically connected with automaton.
2. the test device of blast furnace ferrous furnace charge soft melting dropping characteristic according to claim 1, it is characterised in that：Described
Air supply system is by CO gas cylinders and N2Gas cylinder, gas flow controller and gas temperature controller are formed, described CO gas cylinders and N2
The gas outlet of gas cylinder is connected by the air inlet of connecting tube and gas flow controller, the outlet of described gas flow controller
Mouth is connected by connecting tube with gas temperature controller, and air blower is provided with the bottom of described gas flow controller, also
Originality gas is straight by the air inlet of the reducibility gas of the side of gas temperature controller and connecting tube with being arranged on sampling cabinet
Enter and reduction reaction is participated in graphite crucible.
3. the test device of blast furnace ferrous furnace charge soft melting dropping characteristic according to claim 1, it is characterised in that：Described
The volume of graphite crucible is 2kg levels, and size is internal diameter 95mm, effective length 210mm.
A kind of 4. method of testing of blast furnace ferrous furnace charge soft melting dropping characteristic, it is characterised in that：
(1) coke and iron ore sample are weighed, sample is loaded in graphite crucible, each 200g of levels coke, middle ore layer
2000g；
(2) gas circuit is connected, graphite crucible is positioned in the burner hearth of molten drop furnace body using elevating mechanism, and insert piston type stone
Black depression bar, reaction tube are in center, and piston type graphite depression bar perpendicular acting is on sample；
(3) loading is placed on piston type graphite depression bar, sample is in 0.10kg/cm2Loading under, by displacement transducer with
Piston type graphite depression bar connects；
(4) gas temperature controller and heater power supply are connected, set gas temperature controller target temperature as 400 DEG C-
1600 DEG C, set the temperature increasing schedule of heater, be 10 DEG C/min at 0-600 DEG C；600-1000 DEG C is 5 DEG C/min；1000℃
More than, it is 3 DEG C/min, starts to warm up；
(5) when molten drop furnace temperature rises to 500 DEG C, N is passed through by molten drop furnace bottom2(flow 1l/min)；When temperature rises to 600 DEG C
When, displacement transducer zero point is corrected, while be passed through 30%CO+70%N2High-temperature reducing gas；
(6) when temperature rises to 1600 DEG C, cut off the electricity supply, read and handle computer test data；Or as needed, dripped in ore
Fall and cut off the electricity supply when starting, take out graphite crucible and dissection is quenched under liquid nitrogen atmosphere, test and analyze the distribution of different material
And the extent of reaction,
Definition softening start temperature (T0)：Sample shrinkage factor reaches temperature corresponding when 4%, DEG C；Soften end temp (Ts)：
Sample shrinkage factor reaches temperature corresponding when 40%, DEG C；Drip temperature (Tm)：Sample slag iron starts corresponding temperature during drippage
Degree, DEG C.
Softening temperature section：ΔT1=(Ts-T0), DEG C；
Reflowing temperature section：ΔT2=(Tm-T0), DEG C；
Δpmax, the maximum differential pressure that occurs during experiment.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04158971A (en) * | 1990-10-19 | 1992-06-02 | Kobe Steel Ltd | Method for detecting timing of starting slag flow-out |
| JP2001255321A (en) * | 2000-03-09 | 2001-09-21 | Nippon Steel Corp | Automatic apparatus for reducing and powdering test of sintered ore |
| JP2002285209A (en) * | 2001-03-28 | 2002-10-03 | Kawasaki Steel Corp | Method for charging raw material into blast furnace |
| KR20040007919A (en) * | 2002-07-12 | 2004-01-28 | 김경수 | 2-step vertical high temperature reduction furnace for melting simulation test |
| CN201561645U (en) * | 2009-11-19 | 2010-08-25 | 武汉钢铁(集团)公司 | First slag experimental furnace |
| CN202614702U (en) * | 2012-05-15 | 2012-12-19 | 江阴特恩普科技有限公司 | Melting and dropping experimental device for iron ore |
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| JP2016057149A (en) * | 2014-09-09 | 2016-04-21 | Ｊｆｅスチール株式会社 | High-temperature property evaluation test device for ore |
| CN106268998A (en) * | 2016-09-29 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of iron mine molten drop crucible device |
| CN106645266A (en) * | 2016-11-28 | 2017-05-10 | 辽宁科技大学 | High-temperature molten slag basic performance test method and apparatus, and application method of apparatus |
| CN207215652U (en) * | 2017-10-11 | 2018-04-10 | 辽宁科技大学 | The test device of blast furnace ferrous furnace charge soft melting dropping characteristic |
-
2017
- 2017-10-11 CN CN201710942258.7A patent/CN107543777A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04158971A (en) * | 1990-10-19 | 1992-06-02 | Kobe Steel Ltd | Method for detecting timing of starting slag flow-out |
| JP2001255321A (en) * | 2000-03-09 | 2001-09-21 | Nippon Steel Corp | Automatic apparatus for reducing and powdering test of sintered ore |
| JP2002285209A (en) * | 2001-03-28 | 2002-10-03 | Kawasaki Steel Corp | Method for charging raw material into blast furnace |
| KR20040007919A (en) * | 2002-07-12 | 2004-01-28 | 김경수 | 2-step vertical high temperature reduction furnace for melting simulation test |
| CN201561645U (en) * | 2009-11-19 | 2010-08-25 | 武汉钢铁(集团)公司 | First slag experimental furnace |
| CN202614702U (en) * | 2012-05-15 | 2012-12-19 | 江阴特恩普科技有限公司 | Melting and dropping experimental device for iron ore |
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| JP2016057149A (en) * | 2014-09-09 | 2016-04-21 | Ｊｆｅスチール株式会社 | High-temperature property evaluation test device for ore |
| CN106268998A (en) * | 2016-09-29 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of iron mine molten drop crucible device |
| CN106645266A (en) * | 2016-11-28 | 2017-05-10 | 辽宁科技大学 | High-temperature molten slag basic performance test method and apparatus, and application method of apparatus |
| CN207215652U (en) * | 2017-10-11 | 2018-04-10 | 辽宁科技大学 | The test device of blast furnace ferrous furnace charge soft melting dropping characteristic |
Non-Patent Citations (1)
| Title |
|---|
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