CN203705374U - Sintering ore softening dropping point testing experiment device - Google Patents
Sintering ore softening dropping point testing experiment device Download PDFInfo
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- CN203705374U CN203705374U CN201320808478.8U CN201320808478U CN203705374U CN 203705374 U CN203705374 U CN 203705374U CN 201320808478 U CN201320808478 U CN 201320808478U CN 203705374 U CN203705374 U CN 203705374U
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- furnace body
- graphite
- crucible
- heater
- heating furnace
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- 238000012360 testing method Methods 0.000 title claims abstract description 14
- 238000005245 sintering Methods 0.000 title claims abstract description 9
- 238000002474 experimental method Methods 0.000 title abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 53
- 239000010439 graphite Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims abstract description 9
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000002893 slag Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 240000000528 Ricinus communis Species 0.000 abstract 1
- 230000003471 anti-radiation Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000018984 mastication Effects 0.000 description 3
- 238000010077 mastication Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 fusing and drippage Chemical compound 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a sintering ore softening dropping point testing experiment device. The device consists of a large-current transformer, a furnace body fixing upright post, a tray, a furnace body adjusting frame, a rotary upright post, a pressurization cylinder, a displacement sensor, a furnace top sealing furnace cover, a pressurization graphite pressure rod, an anti-radiation graphite cover, a molybdenum disilicide heating element, a graphite crucible, a high purity graphite sleeve, a sealing alundum tube, a pinhole camera, an air inlet passage fixing sleeve, a dropping crucible weighing device, a dropping crucible device, a furnace body chassis, furnace body castors, a heating furnace body, a cantilever beam, a sample temperature thermocouple, an alumina hollow ball component, a furnace temperature control thermocouple, a rotary upright post round sleeve, a pressurization cylinder pipeline and a pressure transmitter; the large-current transformer is used for supplying power for the molybdenum disilicide heating element; the pinhole camera is used for observing the dropping process of high-temperature liquid iron slag; the dropping crucible weighing device is arranged; a crucible is assembled and disassembled in a transverse door-opening manner; the position of the heating furnace body is adjusted by virtue of a furnace adjusting frame, and the operation is flexible, accurate and convenient.
Description
Technical field
The utility model relates to a kind of Novel iron ore and detects test unit, relates in particular to the softening drippage point of a kind of sintering deposit experimental apparatus for testing.
Background technology
In iron-smelting raw material physical and chemical performance test experiments, analog blast furnace condition is extremely important for the actual test of iron ore high-temperature loading reduction soft melting dropping performance, when test, first need sample ore to heat under loading condition, then in reacting furnace, pass into reducibility gas, concrete measure iron-bearing material start soften, the indexs of correlation such as high-temperature behavior and the process of definite dropping and the temperature of fusion of slag iron such as fusing and drippage, and should observe the slag iron image change in when drippage by video camera, this has become detection sintering deposit, pellet, a kind of important means of lump ore pyrolytic semlting performance.But in existing iron ore high-temperature loading reduction soft melting dropping test unit, can not meet the detection demand of high basicity sinter hot mastication drippage.
Utility model content
The utility model provides a kind of can meet the high basicity sinter hot mastication drippage experimental provision that iron ore high-temperature detection demand, the work of Whole Equipment personality, testing accuracy and automaticity are high.Specifically as shown in Figure 1, whole device is by strong current transformer (1), body of heater vertical columns (2), pallet (3), body of heater adjustment rack (4), rotate column (5), pressurized cylinder (6), displacement transducer (7), boiler roof sealing bell (8), pressurization graphite depression bar (9), radiation proof graphite cover (10), molybdenum disilicide heater (11), graphite crucible (12), high purity graphite sleeve pipe (13), sealing alundum tube (14), pinhole cameras (15), inlet channel fixed cover (16), drippage crucible weighing device (17), drippage crucible device (18), furnace body chassis (19), body of heater castor (20), heating furnace body (21), semi-girder (22), sample temperature thermocouple (23), alumina hollow ball member (24), stove temp thermopair (25), rotate column circle cover (26), pressurized cylinder pipeline (27), pressure unit (28) composition, wherein:
It is upper that strong current transformer (1) is fixed on furnace bottom chassis (19), and furnace bottom chassis (19) are provided with body of heater castor (20) below, and the position of whole device can be moved freely; Furnace bottom chassis (19) is vertically fixed with body of heater vertical columns (2) above, the middle section position of body of heater vertical columns (2) is fixed with pallet (3), it is upper that heating furnace body (21) is fixed on pallet (3), and said structure has played good supporting role for heating furnace body (21);
Heating furnace body (21) is provided with body of heater adjustment rack (4), be used for adjusting the horizontal level of heating furnace body (21), the top of body of heater vertical columns (2) is provided with rotates column circle cover (26), the lower end of rotating column (5) is placed in rotates in column circle cover (26), when use, need to turn an angle together with the pressurized cylinder being fixed thereon (6) rotating column (5), slot milling is beneficial to the middle interior placing graphite crucible of high purity graphite sleeve pipe (13) (12) of heating furnace body (21), put again pressurization graphite depression bar (9), then will rotate column (5) goes back to, make pressurized cylinder (6) connect pressurization graphite depression bar (9), make pressing position align sample, with this convenient pressing position of adjusting, the top of rotating column (5) is provided with a semi-girder (22), pressurized cylinder (6) be fixed on semi-girder (22) and be positioned at heating furnace body (21) directly over, the lower end of pressurized cylinder (6) is with pressurization graphite depression bar (9) concrete mutually, pressurization graphite depression bar (9) is through boiler roof sealing bell (8) and radiation proof graphite cover (10), directly be pressed in the tested sample in graphite crucible (12), sample temperature thermocouple (23) is installed at the center of pressurization graphite depression bar (9), by the accurately actual temperature of test samples of sample temperature thermocouple (23),
The working end that is also fixed with displacement transducer (7), displacement transducer (7) on semi-girder (22) is fixed on the lower end of pressurized cylinder (6), pressurized cylinder (6) is connected with external gas source is same by pressurized cylinder pipeline (27), in the time that pressurized cylinder (6) drives pressurization graphite depression bar (9) to exert pressure to sample in stove under external action of gas source, displacement transducer (7) position moves down and can accurately detect the shrinkage factor of sample;
The shell of heating furnace body (21) adopts stainless steel water-cooled cover, and alumina hollow ball member (24) is filled in water collar the inside, ensures that with this skin temperature of heating furnace body (21) is unlikely to too high; The top of heating furnace body (21) is provided with boiler roof sealing bell (8), boiler roof sealing bell (8) is sealed on the sealing alundum tube (14) in heating furnace body (21), in sealing alundum tube (14), be also provided with two radiation proof graphite covers (10), reduce the interior high-temperature region of high purity graphite sleeve pipe (13) external heat radiation in the vertical direction with this as far as possible;
Graphite crucible (12) is placed in center, the interior high-temperature region of high purity graphite sleeve pipe (13), places sample as sintering deposit, iron ore etc. in graphite crucible (12); A sealing alundum tube (14) that high purity graphite sleeve pipe (13) is shielded of high purity graphite sleeve pipe (13) outside suit, molybdenum disilicide heater (11) is placed in outside sealing alundum tube (14), and is connected with strong current transformer (1) by conductor; The sidewall of heating furnace body (21) is installed stove temp thermopair (25); Inlet channel fixed cover (16) is arranged on the below of heating furnace body (21), makes gas pre-heat effect good;
The below of inlet channel fixed cover (16) is provided with drippage crucible device (18), on drippage crucible device (18) side, drippage crucible weighing device (17), the weight change with this test samples in high temperature drippage process are installed; Pinhole cameras (15) becomes 70 ° of inclination angles to be inserted on drippage crucible by inlet channel fixed cover (16) with horizontal line, high temperature drippage process is carried out to Real-Time Monitoring, pressure unit (28) is deep in heating furnace body (21) by inlet channel fixed cover (16), changes with the pressure reduction of this experiments of measuring process.
The related data that above-mentioned all the sensors collects is all input to corresponding computer control and register system after relevant apparatus converts electric signal to, accurately controls and record, ensures authenticity and the reliability of experiments of measuring with this.
This device tool has the following advantages:
(1) adopting strong current transformer is that body of heater calandria is the power supply of molybdenum disilicide heater, heating power is large, can meet the detection demand of high basicity sinter hot mastication drippage, here said strong current transformer refers to, the heating efficiency of body of heater relatively, the power of transformer is 1.4-2 times of body of heater calandria power;
(2) be provided with body of heater adjustment rack, be used for adjusting the position of heating furnace body, body of heater is adjusted position accurately, conveniently;
(3) at the other drippage crucible weighing device that is provided with of drippage crucible device, detect the weight change in high temperature drippage process, adopt horizontal door-opening mode handling crucible, operation is very easy;
(4) adopt pinhole cameras to become 70 ° of drippage processes to high-temperature liquid state slag iron to observe with level.
Brief description of the drawings
Accompanying drawing 1 is the structural representation according to device of the present utility model.
In figure: 1 is strong current transformer, 2 is body of heater vertical columns, 3 is pallet, 4 is body of heater adjustment rack, 5 for rotating column, 6 is pressurized cylinder, 7 is displacement transducer, 8 is boiler roof sealing bell, 9 is pressurization graphite depression bar, 10 is radiation proof graphite cover, 11 is molybdenum disilicide heater, 12 is graphite crucible, 13 is high purity graphite sleeve pipe, 14 is sealing alundum tube, 15 is pinhole cameras, 16 inlet channel fixed covers, 17 is drippage crucible weighing device, 18 is drippage crucible device, 19 is furnace body chassis, 20 is body of heater castor, 21 is heating furnace body, 22 is semi-girder, 23 is sample temperature thermocouple, 24 is alumina hollow ball member, 25 is stove temp thermopair, 26 for rotating column circle cover, 27 is pressurized cylinder pipeline, 28 is pressure unit.
Embodiment
Detecting the softening drippage of sintering deposit experimental provision is to realize like this.
Concrete enforcement of the present utility model is identical with aforesaid utility model content, adopting molybdenum disilicide heater (11) is thermal source, and the strong current transformer (1) that relies on power to be greater than heater 1.4-2.0 times is powered, can make body of heater high-temperature region temperature reach 1650 DEG C, the constant temperature zone of high-temperature region is not less than 120mm, and then has met the actual demand of iron ore and the detection of high basicity sinter high-temperature behavior.
Support on furnace binding employing furnace body chassis (19) and be fixed with body of heater vertical columns (2), furnace body chassis (19) is provided with body of heater castor (20), and strong current transformer (1) is arranged on furnace body chassis (19).Be characterized in reasonable integral structure, device conveniently moving.Pallet (3) is housed in order to support heating furnace body (21) on body of heater vertical columns (2).Heating furnace body (21) is provided with body of heater adjustment rack (4), can be used for adjusting heating furnace body (21) horizontal level.Body of heater vertical columns (2) top is provided with rotates column (5), for adjusting pressing position point.
Pneumatic pressurizing system structure is by source of the gas transfer valve, pressurized cylinder (6) to be moved up and down, and pressurized cylinder when pressurization (6) is exerted pressure to the sample in high purity graphite sleeve pipe (13) by pressurization graphite depression bar (9).0-0.5Mpa is adjustable arbitrarily in pressure variation, and pressure unit (28) is deep in heating furnace body (21) by inlet channel fixed cover (16), changes with the pressure reduction of this experiments of measuring process, and range is: 0-20KPa.Displacement transducer (7) detects automatically to sample drawdown deformation amount.
Body of heater shell adopts stainless steel water-cooled cover, ensures skin temperature.Furnace roof is provided with boiler roof sealing bell (8).Be filled with alumina hollow ball member (24) in the middle of body of heater, the middle sealing alundum tube (14) that plays sealing thermal insulation effect is by corundum manufacturing, its internal diameter Ф=100mm.In sealing alundum tube (14), be high purity graphite sleeve pipe (13), more than seal pressure differential can reach 20000Pa.The upper placing graphite crucible (12) of high purity graphite sleeve pipe (13), its internal diameter Ф=75mm.In graphite crucible (12), place the samples such as sintering deposit, iron ore.On sample, place pressurization graphite depression bar (9), pressurization graphite depression bar (9) is connected with pressurized cylinder (6); Intracardiac installation Type B sample temperature thermocouple (23) in pressurization graphite depression bar (9), its length is 700mm, within the idol head of sample temperature thermocouple (23) is placed in the top of pressurization graphite depression bar (9); Accurately test samples temperature.Sidewall of the furnace body is installed Type B stove temp thermopair (25), and its length is 300mm.Thermopair precision can reach: ± 0.5%F.S.
The inlet channel fixed cover (16) of reducing gas is housed below body of heater.Experiment adopts nitrogen and CO gas.The reducing gas channel distance that is positioned at body of heater below is longer, and gas pre-heat effect is good.Drippage crucible device (18) thereunder, takes horizontal door-opening mode, makes to load and unload crucible very convenient.At the other drippage crucible weighing device (17) that is provided with of drippage crucible device (18).LOAD CELLS detects the weight change in high temperature drippage process.Pinhole cameras becomes 70 ° of angles with ground, within inserting drippage crucible by inlet channel fixed cover, and the scene change can directly observe sample drippage time.
This device adopts the automatic control system of computing machine, Programmable Logic Controller and configuration software composition to realize automatic control and analysis to said apparatus.Its automaticity is high, measures accurately, reproducible.Dependence gas mass flow controller can regulate automatically, Control experiment gas component ratio; Thermopair, temperature regulating device, thermal module stable performance, can long-term stable operation; Displacement transducer, load transducer and differential pressure pickup to whole process of the test monitor, detection etc.; Situation when sample drippage changes, through video acquisition, and Real Time Observation.Detection system can automatically record location parameter, analyze, calculates and finally file.
Claims (1)
1. the softening drippage point of a sintering deposit experimental apparatus for testing, is characterized in that, whole device is by strong current transformer (1), body of heater vertical columns (2), pallet (3), body of heater adjustment rack (4), rotate column (5), pressurized cylinder (6), displacement transducer (7), boiler roof sealing bell (8), pressurization graphite depression bar (9), radiation proof graphite cover (10), molybdenum disilicide heater (11), graphite crucible (12), high purity graphite sleeve pipe (13), sealing alundum tube (14), pinhole cameras (15), inlet channel fixed cover (16), drippage crucible weighing device (17), drippage crucible device (18), furnace body chassis (19), body of heater castor (20), heating furnace body (21), semi-girder (22), sample temperature thermocouple (23), alumina hollow ball member (24), stove temp thermopair (25), rotate column circle cover (26), pressurized cylinder pipeline (27), pressure unit (28) composition, wherein: it is upper that strong current transformer (1) is fixed on furnace bottom chassis (19), and furnace bottom chassis (19) are provided with body of heater castor (20) below, furnace bottom chassis (19) is vertically fixed with body of heater vertical columns (2) above, and the middle section position of body of heater vertical columns (2) is fixed with pallet (3), and heating furnace body (21) is fixed on pallet (3), heating furnace body (21) is provided with body of heater adjustment rack (4), the top of body of heater vertical columns (2) is provided with rotates column circle cover (26), the lower end of rotating column (5) is placed in rotates in column circle cover (26), the top of rotating column (5) is provided with a semi-girder (22), pressurized cylinder (6) be fixed on semi-girder (22) and be positioned at heating furnace body (21) directly over, the lower end of pressurized cylinder (6) is with pressurization graphite depression bar (9) concrete mutually, pressurization graphite depression bar (9) is through boiler roof sealing bell (8) and radiation proof graphite cover (10), directly be pressed in the tested sample in graphite crucible (12), the center of pressurization graphite depression bar (9) is provided with sample temperature thermocouple (23): on semi-girder (22), be also fixed with displacement transducer (7), the working end of displacement transducer (7) is fixed on the lower end of pressurized cylinder (6), pressurized cylinder (6) is connected with external gas source is same by pressurized cylinder pipeline (27), the shell of heating furnace body (21) adopts stainless steel water-cooled cover, and alumina hollow ball member (24) is filled in water collar the inside, the top of heating furnace body (21) is provided with boiler roof sealing bell (8), boiler roof sealing bell (8) is sealed on the sealing alundum tube (14) in heating furnace body (21), in sealing alundum tube (14), is also provided with two radiation proof graphite covers (10), graphite crucible (12) is placed in center, the interior high-temperature region of high purity graphite sleeve pipe (13), a sealing alundum tube (14) that high purity graphite sleeve pipe (13) is shielded of high purity graphite sleeve pipe (13) outside suit, molybdenum disilicide heater (11) is placed in outside sealing alundum tube (14), and is connected with strong current transformer (1) by conductor, the sidewall of heating furnace body (21) is installed stove temp thermopair (25), inlet channel fixed cover (16) is arranged on the below of heating furnace body (21), the below of inlet channel fixed cover (16) is provided with drippage crucible device (18), on drippage crucible device (18) side, drippage crucible weighing device (17) is installed, pinhole cameras (15) becomes 70 ° of inclination angles with horizontal line, be inserted on drippage crucible by inlet channel fixed cover (16), pressure unit (28) is deep in heating furnace body by inlet channel fixed cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808478.8U CN203705374U (en) | 2013-12-09 | 2013-12-09 | Sintering ore softening dropping point testing experiment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808478.8U CN203705374U (en) | 2013-12-09 | 2013-12-09 | Sintering ore softening dropping point testing experiment device |
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| Publication Number | Publication Date |
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| CN203705374U true CN203705374U (en) | 2014-07-09 |
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| CN201320808478.8U Expired - Lifetime CN203705374U (en) | 2013-12-09 | 2013-12-09 | Sintering ore softening dropping point testing experiment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| CN107764852A (en) * | 2017-11-20 | 2018-03-06 | 邯郸学院 | Carbonaceous solids material gasification reaction rate test device and method |
| CN111443184A (en) * | 2020-04-30 | 2020-07-24 | 北京科技大学 | Test device and method for simulating iron ore state under blast furnace ironmaking condition |
-
2013
- 2013-12-09 CN CN201320808478.8U patent/CN203705374U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713007A (en) * | 2013-12-09 | 2014-04-09 | 东北大学 | Experiment device for testing softening and dropping point of sinter |
| CN103713007B (en) * | 2013-12-09 | 2016-05-25 | 东北大学 | The softening drippage point of sintering deposit experimental apparatus for testing |
| CN107764852A (en) * | 2017-11-20 | 2018-03-06 | 邯郸学院 | Carbonaceous solids material gasification reaction rate test device and method |
| CN111443184A (en) * | 2020-04-30 | 2020-07-24 | 北京科技大学 | Test device and method for simulating iron ore state under blast furnace ironmaking condition |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |