CN203519432U - High-temperature compression test device for iron ore - Google Patents
High-temperature compression test device for iron ore Download PDFInfo
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- CN203519432U CN203519432U CN201320517474.4U CN201320517474U CN203519432U CN 203519432 U CN203519432 U CN 203519432U CN 201320517474 U CN201320517474 U CN 201320517474U CN 203519432 U CN203519432 U CN 203519432U
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- iron ore
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Abstract
The utility model discloses a high-temperature compression test device for iron ore, belonging to the field of iron-making technologies. The high-temperature compression test device for the iron ore comprises a pressing device, a heating device, a metering device and a reducing device, wherein the pressing device is connected with the reducing device; the reducing device is connected with the metering device, and the reducing device is arranged in the heating device. The high-temperature compression test device for the iron ore is capable of simulating processes of deforming, pulverizing and volume shrinking of the iron ore in a blast furnace during heating, reducing and continuous load increase, and is also capable of evaluating reducing property of the iron ore by means of recording a pulverizing rate and a dropped liquid phase quantity after load increase and reduction of the iron ore in a high-temperature reduction process.
Description
Technical field
The utility model relates to ironmaking technology field, particularly a kind of iron ore high-temperature compression test device.
Background technology
Be subject in recent years the use of the Iron Ore Powder kinds such as sintering, pelletizing to change various; cause the metallurgical performance of blast furnace feeding iron ore to alter a great deal; often can have influence on the direct motion of blast furnace, so the investigative technique of iron ore raw material metallurgical performance is very important to operating blast furnaces technology.
Can there is efflorescence and soft heat in heating and reduction that the iron ores such as sintering deposit, pellet and lump ore that blast furnace ironmaking is used are subject to updraft in stove after entering blast furnace, the furnace charge that hot strength is poor or pulverability is high has produced considerable influence to the shape of the gas penetration potential of blast furnace and cohesive zone, be unfavorable for the direct motion of blast furnace and the serviceable life of furnace wall, bring greater risk to ironmaking production system.Therefore, iron ore at high temperature, to load with softening transform and reduction degradation under lotus be the key factor that affects blast furnace operating, and iron ore constantly increases distortion after load in high temperature reduction process and the impact of furnace charge on blast furnace more can be intuitively effectively reacted in the research of reduction degradation, for the correct valid function of blast furnace provides foundation.
The iron ore high-temperature reduction degradation stove using is at present heat and pass into reducing gas putting into the ore of reduction tank, by recording the mass change of iron ore in high temperature reduction process and the high temperature reduction performance that the pulverization rate after reduction is evaluated iron ore, volumetric contraction after the distortion that this device does not have simulation constantly to increase pressurized in reduction process to iron ore in blast furnace to cause, efflorescence, soft melting dropping, test findings just can accurately not evaluated the performance of iron ore yet.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of iron ore of simulating and in blast furnace, heats up, reduces and constantly increase distortion, efflorescence and the volumetric contraction process that load causes, and the iron ore high-temperature compression test device of the high temperature reduction performance that can evaluate iron ore by pulverization rate that record in high temperature reduction process that iron ore load increases, after reduction and the amount of liquid phase of dripping.
For solving the problems of the technologies described above, the utility model provides a kind of iron ore high-temperature compression test device, for iron ore sample is carried out to high temperature compression test; Comprise: pressue device, heating arrangement, measuring apparatus and reduction apparatus; Described pressue device is connected with described reduction apparatus; In described reduction apparatus, place described iron ore sample; Described reduction apparatus is connected with described measuring apparatus; Described reduction apparatus is placed in described heating arrangement.
Further, described reduction apparatus comprises vertical mobile reductor, reduction reaction can, ball bearing and reductor support set bucket; Described mobile reductor is connected with reductor stop sleeve by described ball bearing; Described reduction reaction can is connected with described reductor stop sleeve; In described reduction reaction can, place described iron ore sample.
Further, on described reductor stop sleeve, offer air intake opening, for delivery of reducing gas; Described vertical mobile reductor offers waste gas outlet, for draining waste gas.
Further, described pressue device comprises the second fixed pulley, the first fixed pulley, steel cable, pressure head, the second pressure code, the first pressure code and thermopair; Described first presses code through described the first fixed pulley, the second fixed pulley and described second, to press code to be connected by described steel cable; Described pressure head one end and described second presses code to be connected, and the other end is placed in described reduction reaction can; Described thermopair is inserted in described pressure head bar center.
Further, described heating arrangement comprises heating furnace, molybdenum heating rod, heating furnace adjustment disk; Described heating furnace is connected with described heating furnace adjustment disk; Described molybdenum heating rod is fixed in described heating furnace.
Further, described measuring apparatus comprises displacement scale, drippage crucible and electronic scales; Described displacement scale and described first presses code to be connected; Described drippage crucible is placed on the below of described reduction reaction can; Described drippage crucible is placed in described reduction stop sleeve; Described electronic scales is placed on the below of described reduction stop sleeve.
Further, the utility model iron ore high-temperature compression test device also comprises water sealed tank; Described water sealed tank is connected with described reductor stop sleeve; Submerge in water sealed tank in described vertical mobile reductor lower end, for preventing that reducing gas from overflowing.
The iron ore high-temperature compression test device that the utility model provides is under the effect of reduction apparatus, to iron ore token import reducing gas, carry out reduction reaction, under the effect of pressue device and heating arrangement to the iron ore pressurization of heating, can simulate iron ore and in blast furnace, heat up, reduce and constantly increase distortion, efflorescence and the volumetric contraction process that load causes, and the high temperature reduction performance that can evaluate iron ore by pulverization rate that record in high temperature reduction process that iron ore load increases, after reduction and the amount of liquid phase of dripping under the effect of measuring apparatus.
Accompanying drawing explanation
The structural representation of the iron ore high-temperature compression test device that Fig. 1 provides for the utility model embodiment;
The reduction apparatus A-A that Fig. 2 provides for the utility model embodiment is to cut-open view.
Embodiment
Referring to Fig. 1, the utility model embodiment provides a kind of iron ore high-temperature compression test device, comprises pressue device, heating arrangement, measuring apparatus and reduction apparatus.Wherein, reduction apparatus comprises vertical reductor 2, reduction reaction can 6, ball bearing 10 and reductor stop sleeve 14.Mobile reductor 2 is connected with reductor stop sleeve 14 by ball bearing 10.Reductor retort 6 is threaded connection with reductor stop sleeve 14 tops, refractory seals mud sealing for junction.On reductor stop sleeve 14, offer air admission hole 12, for delivery of reducing gas; Vertical mobile reductor 2 offers waste gas outlet 1, for draining waste gas.In reduction reaction can 6, place iron ore sample 8.Pressue device comprises the second fixed pulley 19, the first fixed pulley 21, steel cable, pressure head 7, second pressure code 18, first pressure code 22 and a thermopair 5.First presses code 22 to pass the first fixed pulley 21, the second fixed pulley 19 and the second pressure code 18 by steel cable is connected.Pressure head 7 one end and second press code 18 to be connected, and the other end is placed in reduction reaction can 6; Pressure head 7 moves down compressing iron ore sample 8, drives vertical mobile reductor 2 to move down.Thermopair 5 is inserted in pressure head 7 Gan centers, for controlling the temperature of reduction reaction can 6.Heating arrangement comprises heating furnace 4, molybdenum heating rod 3, heating furnace adjustment disk 20.Molybdenum heating rod 3 is fixed in heating furnace 4.Heating furnace adjustment disk 20 is connected with heating furnace 4, controls heating furnace near reduction reaction can 6, and reduction reaction can 6 is heated.Measuring apparatus comprises displacement scale 17, drippage crucible 15 and electronic scales 16.Displacement scale 17 and first presses code 22 to be connected, for measuring the volumetric contraction of iron ore sample 8.Drippage crucible 15 is placed on the bottom of reduction stop sleeve 14.Electronic scales 16 is placed on the below of reduction stop sleeve 14.The utility model iron ore high-temperature compression test device also comprises water sealed tank 13.In water sealed tank 13, there is water 11.Submerge in the water 11 of water sealed tank 13, for placing overflowing of reducing gas in vertical mobile reductor 2 lower ends.
Before carrying out iron ore high-temperature high-potting, iron ore sample 8 be packed in reduction reaction can 6, then reduction reaction can 6 is fixed on reductor stop sleeve 14 top that inner bottom part is equipped with drippage crucible 15 by engage thread.Then vertical mobile reductor 2 being enclosed within to 2 of reductor stop sleeve 14 waists rolls on a pearl bearing 10, moving vertical makes pressure head 7 be pressed onto the iron ore sample 8 in reduction reaction can 6 to mobile reductor 2 vertically downward again, and prevents that in process of the test, reducing gas overflows in the water 11 being submerged in water sealed tank 13 in vertical mobile reductor 2 lower ends.By adjusting second of second fixed pulley 19 one end, to press first of 21 1 sections, code the 18 and first fixed pulley to press yards 22 loads that make to start iron ore sample 8 be 0N, and rotary funace adjustment disk 20 moves to reduction reaction can 6 positions by heating furnace 4.
In the time of before carrying out iron ore high-temperature high-potting, heating furnace 4 is controlled intensification by being inserted in the thermopair 5 at pressure head 7 bar centers, and thermopair 5 heads will be inserted into the surface of contact position of pressure head 7 and iron ore sample 8.While arriving test temperature, by air intake opening 12, pass into reducing gas, and start to add the second pressure code 18 to sample increase load, and record iron ore sample 8 stressing conditions by electronic scale 16.When efflorescence and soft heat occur iron ore sample 8, by displacement scale 17, record its volumetric contraction.In process of the test, having liquation splashes in drippage crucible 15.After having tested, waste gas can be discharged by waste gas outlet 1.
After iron ore high-temperature high-potting finishes, take out drippage crucible 15, measure drippage liquid 9 weight.
The iron ore high-temperature compression test device that the utility model provides carries out reduction reaction by the air intake opening of reductor stop sleeve to iron ore token import reducing gas, under the effect of pressue device and heating arrangement to the iron ore pressurization of heating, can simulate iron ore and in blast furnace, heat up, reduce and constantly increase distortion, efflorescence and the volumetric contraction process that load causes, and the high temperature reduction performance that can evaluate iron ore by pulverization rate that record in high temperature reduction process that iron ore load increases, after reduction and the amount of liquid phase of dripping under the effect of measuring apparatus.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. an iron ore high-temperature compression test device, for carrying out high temperature compression test to iron ore sample (8); It is characterized in that, comprising: pressue device, heating arrangement, measuring apparatus and reduction apparatus; Described pressue device is connected with described reduction apparatus; In described reduction apparatus, place described iron ore sample (8); Described reduction apparatus is connected with described measuring apparatus; Described reduction apparatus is placed in described heating arrangement.
2. test unit according to claim 1, is characterized in that: described reduction apparatus comprises vertical mobile reductor (2), reduction reaction can (6), ball bearing (10) and reductor support set bucket (14); Described mobile reductor (2) is connected with reductor stop sleeve (14) by described ball bearing (10); Described reduction reaction can (6) is connected with described reductor stop sleeve (14); In described reduction reaction can (6), place described iron ore sample (8).
3. test unit according to claim 2, is characterized in that: on described reductor stop sleeve (14), offer air intake opening (12), for delivery of reducing gas; Described vertical mobile reductor (2) offers waste gas outlet (1), for draining waste gas.
4. test unit according to claim 2, is characterized in that: described pressue device comprises the second fixed pulley (19), the first fixed pulley (21), steel cable, pressure head (7), the second pressure code (18), first pressure code (22) and a thermopair (5); Described first presses code (22) through described the first fixed pulley (21), the second fixed pulley (19) and described second, to press code (18) to be connected by described steel cable; Described pressure head (7) one end and described second presses code (18) to be connected, and the other end is placed in described reduction reaction can (6); Described thermopair (5) is inserted in described pressure head (7) bar center.
5. test unit according to claim 2, is characterized in that: described heating arrangement comprises heating furnace (4), molybdenum heating rod (3), heating furnace adjustment disk (20); Described heating furnace (4) is connected with described heating furnace adjustment disk (20); Described molybdenum heating rod (3) is fixed in described heating furnace (4).
6. test unit according to claim 4, is characterized in that: described measuring apparatus comprises displacement scale (17), drippage crucible (15) and electronic scales (16); Described displacement scale (17) and described first presses code (22) to be connected; Described drippage crucible (15) is placed on the below of described reduction reaction can (6); Described drippage crucible (15) is placed in described reduction stop sleeve (14); Described electronic scales (16) is placed on the below of described reduction stop sleeve (14).
7. test unit according to claim 2, is characterized in that, described test unit also comprises: water sealed tank (13); Described water sealed tank (13) is connected with described reductor stop sleeve (14); Submerge in water sealed tank (13) in described vertical mobile reductor (2) lower end, for preventing that reducing gas from overflowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517474.4U CN203519432U (en) | 2013-08-22 | 2013-08-22 | High-temperature compression test device for iron ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517474.4U CN203519432U (en) | 2013-08-22 | 2013-08-22 | High-temperature compression test device for iron ore |
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| Publication Number | Publication Date |
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| CN203519432U true CN203519432U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320517474.4U Expired - Fee Related CN203519432U (en) | 2013-08-22 | 2013-08-22 | High-temperature compression test device for iron ore |
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| CN (1) | CN203519432U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203381A (en) * | 2015-09-25 | 2015-12-30 | 中国石油大学(北京) | Low-temperature cooling pressure applying device |
| CN109556777A (en) * | 2018-11-27 | 2019-04-02 | 武汉钢铁有限公司 | It is a kind of that for testing, blast furnace is same radially soft to melt the device and application method that iron charge influences gas phase drag |
-
2013
- 2013-08-22 CN CN201320517474.4U patent/CN203519432U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203381A (en) * | 2015-09-25 | 2015-12-30 | 中国石油大学(北京) | Low-temperature cooling pressure applying device |
| CN105203381B (en) * | 2015-09-25 | 2018-05-08 | 中国石油大学(北京) | A kind of sub-cooled device for exerting |
| CN109556777A (en) * | 2018-11-27 | 2019-04-02 | 武汉钢铁有限公司 | It is a kind of that for testing, blast furnace is same radially soft to melt the device and application method that iron charge influences gas phase drag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170710 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: WUHAN IRON AND STEEL Co.,Ltd. Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: WUHAN IRON AND STEEL (GROUP) Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210822 |