CN102840926A - Interior temperature measuring equipment for material bed of belt-type sinterer - Google Patents
Interior temperature measuring equipment for material bed of belt-type sinterer Download PDFInfo
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- CN102840926A CN102840926A CN2011101711168A CN201110171116A CN102840926A CN 102840926 A CN102840926 A CN 102840926A CN 2011101711168 A CN2011101711168 A CN 2011101711168A CN 201110171116 A CN201110171116 A CN 201110171116A CN 102840926 A CN102840926 A CN 102840926A
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Abstract
The invention relates to the field of iron ore sintering equipment, in particular to interior temperature measuring equipment for a material bed of a belt-type sinterer. The interior temperature measuring equipment for the material bed of the belt-type sinterer comprises a fire-resistant tube, a thermocouple set, a protective sleeve and a dataline joint. The protective sleeve is fixedly connected with the fire-resistant tube. The dataline joint is installed in the fire-resistant tube. The thermocouple set is installed in the protective sleeve and is formed by arranging a plurality of thermocouples. The tops of the thermocouples are connected with the dataline joint. The bottoms of the thermocouples are stair-stepping. A slice for shielding an electrical insulating fiber body is arranged between two adjacent thermocouples. The gap in the fire-resistant tube is filled by high temperature resistant asbestos, and the gap in the protective sleeve is filled by high temperature resistant insulating particles. According to the interior temperature measuring equipment for the material bed of the belt-type sinterer provided by the invention, the temperature instantaneous values at different positions in the height direction in the sintering material bed can be tested with rapid response speed and small temperature measuring error. The interior temperature measuring equipment for the material bed of the belt-type sinterer can work in a comparatively severe environment in the production process. A bump is arranged on the fire-resistant tube, so that the measuring precision is further improved.
Description
Technical field
The present invention relates to the iron ore sintering apparatus field, relate in particular to a kind of sintering machine bed of material inside temperature measurement device.
Background technology
In the iron ore sintering production run, the bed of material interior temperature distribution on the continuous pallettype sintering machine chassis has material impact to sintering process.The material layer temperature distribution can have influence on shape, thickness and the translational speed thereof of sintering mine belt, zone of combustion, drying and preheating band, wet excessively band and the cold burden band of sintering feed formation.In the SINTERING PRODUCTION practice; Whether bed of material interior temperature distribution evenly can have influence on the even and stable of chassis Width sinter cake quality; Can edge effect controlled near also can having influence on the chassis sidewall; Thereby influence the sintering usage factor, the output that finally has influence on sintering deposit promotes, yield rate is improved and steady quality.Research sinter bed interior temperature distribution help to sintering process from accumulation of heat effect and solid fuel preparation with addition of carrying out comprehensive evaluation; Weigh the sintering machine equipment situation of leaking out, and for the technological parameter of optimizing SINTERING PRODUCTION control with take the proper technology measure that scientific basis is provided.
The method that at present sintering inside material layer temperature is detected has: the perforate of (1) test chassis, laterally inserted thermopair.Make thermometric and distribute according to two row diagonal line with the perforate of testing chassis, Yi Bian be two holes, Yi Bian be three holes, thermometric process thermopair carries out thermometric in the laterally inserted sinter bed of chassis sidewall inside.(2) infrared thermometry device scanning chassis side plate calculates material layer temperature.Adopt contactless infrared temperature scanner to measure the vertical temperature of sintering pallet side plate, utilize the side plate temperature variation characteristic corresponding, set up the division model of each band of the bed of material, optimized the number of plies that the side plate temperature is divided through commerical test with material layer temperature.Analysis-by-synthesis thinks that first method needs reforming equipment, and can damage chassis, is not suitable for frequent test.And utilize the infrared thermometry installation cost higher, and needing to increase more expense, the accuracy of infrared thermometry device and self maintained thereof receive such environmental effects bigger.Therefore, for the research of sinter bed interior temperature distribution, be necessary to continue to research and develop comparatively effective, accurate, economic and practical and do not influence the method for testing and the related device thereof of production.
Summary of the invention
Technical matters to be solved by this invention provides a kind of continuous pallettype sintering machine bed of material inside temperature measurement device; This device can test out the material layer temperature of different parts on temperature instantaneous value and the sintering feed face width degree direction of diverse location on the sinter bed internal height direction; Response speed is fast, and temperature measurement error is little.
The present invention is achieved in that a kind of continuous pallettype sintering machine bed of material inside temperature measurement device, comprises refractory tube, thermopair group, protective casing and data line joint, and said protective casing is fixedly connected with refractory tube; Said data line joint is installed in the refractory tube; Said thermopair group is installed in the protective casing, and the thermopair group is arranged by many thermopairs and constituted, and the thermopair top links to each other with the data line joint; The thermopair bottom becomes stepped; Be provided with shielding electrical insulating fibre body thin slice between two adjacent thermopairs, fill with high temperature resistant asbestos in the space in the said refractory tube, and the space in the said protective casing is particles filled with high-temperature insulation.
Described refractory tube outer wall is provided with a circle boss.
Described high-temperature insulation particle is MgO particle, SiO
2Particle, SiC particle or Al
2O
3A kind of in the particle.
Described shielding electrical insulating fibre body thin slice is the alumina silicate thin slice.
The top movable of said refractory tube is connected with over cap.
Described refractory tube is double-deck refractory tube.
Continuous pallettype sintering machine bed of material inside temperature measurement device of the present invention is with high-temperature insulation particle protection thermopair; With high temperature resistant asbestos data line joint and secluding air; Make this device can test out the temperature instantaneous value of diverse location on the sinter bed internal height direction; Response speed is fast, and temperature measurement error is little, can comparatively work under the rugged surroundings in process of production; After on the refractory tube boss being set, when this device gos deep in the chassis sintering feed bed of material, can avoid causing a large amount of air to enter into thermopair and sintering feed surface of contact place because sintering feed shrinks, improved measuring accuracy.
Description of drawings
Fig. 1 is a continuous pallettype sintering machine bed of material inside temperature measurement apparatus structure synoptic diagram of the present invention;
Fig. 2 is fitted into the connection layout of system for continuous pallettype sintering machine bed of material inside temperature measurement device of the present invention.
Among the figure: 1 high temperature resistant asbestos, 2 refractory tubes, 3 thermopair groups, 4 high-temperature insulation particles, 5 protective casings, 6 shielding electrical insulating fibre body thin slices, 7 data line joints, 8 over caps, 9 shielded conductors, 10 data collecting cards, 11 conversion of signals cards, 12 computing machines, 21 boss.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
As shown in Figure 1; A kind of continuous pallettype sintering machine bed of material inside temperature measurement device comprises refractory tube 2, thermopair group 3, protective casing 5 and data line joint 7, and refractory tube 2 is double-deck refractory tube; The top movable of refractory tube 2 is connected with the over cap 8 of easy disassembly, and over cap 8 is processed by exotic material; Said protective casing 5 is fixedly connected with refractory tube 2; Said data line joint 7 is installed in the refractory tube 2; Said thermopair group 3 is installed in the protective casing 5, and thermopair group 3 is arranged by many thermopairs and constituted, and the thermopair top links to each other with data line joint 7; The thermopair bottom becomes stepped, can on the sinter bed short transverse, realize multiple spot pulling temperature surveying work like this; Be provided with shielding electrical insulating fibre body thin slice 6 between two adjacent thermopairs; Shielding electrical insulating fibre body thin slice 6 plays the effect of the interference of avoiding adjacent temperature element in test process; Want to play the effect of shield electromagnetic interference simultaneously, described in the present embodiment shielding electrical insulating fibre body thin slice 6 is the alumina silicate thin slice; Fill with high temperature resistant asbestos 1 in space in the said refractory tube 2, and fill with high-temperature insulation particle 4 in the space in the said protective casing 5, and high-temperature insulation particle 4 can be selected MgO particle, SiO for use
2Particle, SiC particle or Al
2O
3A kind of in the particle; In the present embodiment, because the MgO particle be prone to be purified, particle is thin, proportion is little, be prone to fill, price is low, and thermotolerance is higher than other three kinds, so select the MgO particle for use.
The present invention can further describe into; Described refractory tube 2 outer walls are provided with a circle boss 21; When this measurement mechanism was inserting the bed of material and gos deep in the sintering feed, boss 21 can be avoided causing a large amount of air to enter into thermopair and sintering feed surface of contact place because sintering feed shrinks, the raising measuring accuracy like this.
As shown in Figure 2; When carrying out test job; Be ready to an amount of sintering in advance and cooperate raw material, at first this measurement mechanism is vertically inserted among the sinter bed, will consider during insertion that head cloth place walks the difference in height of guidance tape and charge level; Carry out security protection work, note the material scraping plate position and highly to the measurement mechanism installation influence.After device to be measured then goes out ignition holding furnace; Open over cap 8; Pull out data line joint 7, data line joint 7 is linked to each other with the shielded conductor 9 that has high temperature resistant asbestos layer protection, shielded conductor 9 links to each other with computing machine 12 with conversion of signals card 11 through data collecting card 10.Cooperate raw material to cover around the multiple spot integrated temperature tester top sintering, influence to test further prevents to leak out; Need based on production or technical research,, measure, before sintering pallet moves to the tail dust cover, finish to measure through the time interval of computer program design temperature data acquisition.
Claims (6)
1. continuous pallettype sintering machine bed of material inside temperature measurement device; It is characterized in that: comprise refractory tube (2), thermopair group (3), protective casing (5) and data line joint (7); Said protective casing (5) is fixedly connected with refractory tube (2), and said data line joint (7) is installed in the refractory tube (2), and said thermopair group (3) is installed in the protective casing (5); Thermopair group (3) is arranged by many thermopairs and is constituted; The thermopair top links to each other with data line joint (7), and the thermopair bottom becomes stepped, is provided with shielding electrical insulating fibre body thin slice (6) between two adjacent thermopairs; Fill with high temperature resistant asbestos (1) in space in the said refractory tube (2), and fill with high-temperature insulation particle (4) in the space in the said protective casing (5).
2. continuous pallettype sintering machine bed of material inside temperature measurement device as claimed in claim 1 is characterized in that: described refractory tube (2) outer wall is provided with a circle boss (21).
3. continuous pallettype sintering machine bed of material inside temperature measurement device as claimed in claim 1 is characterized in that: described high-temperature insulation particle (4) is MgO particle, SiO
2Particle, SiC particle or Al
2O
3A kind of in the particle.
4. continuous pallettype sintering machine bed of material inside temperature measurement device as claimed in claim 1 is characterized in that: described shielding electrical insulating fibre body thin slice (6) is the alumina silicate thin slice.
5. like the described continuous pallettype sintering machine bed of material of any claim inside temperature measurement device in the claim 1 ~ 4, it is characterized in that: the top movable of said refractory tube (2) is connected with over cap (8).
6. continuous pallettype sintering machine bed of material inside temperature measurement device as claimed in claim 5 is characterized in that: described refractory tube (2) is double-deck refractory tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110171116.8A CN102840926B (en) | 2011-06-23 | 2011-06-23 | Interior temperature measuring equipment for material bed of belt-type sinterer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110171116.8A CN102840926B (en) | 2011-06-23 | 2011-06-23 | Interior temperature measuring equipment for material bed of belt-type sinterer |
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| Publication Number | Publication Date |
|---|---|
| CN102840926A true CN102840926A (en) | 2012-12-26 |
| CN102840926B CN102840926B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110171116.8A Active CN102840926B (en) | 2011-06-23 | 2011-06-23 | Interior temperature measuring equipment for material bed of belt-type sinterer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088211A (en) * | 2013-01-28 | 2013-05-08 | 首钢总公司 | Method and device for measuring position and temperature of combustion zone in sinter bed |
| CN105571332A (en) * | 2014-10-17 | 2016-05-11 | 宝山钢铁股份有限公司 | Measuring device for temperature changes of sintered ore layer in ring cooling machine and temperature measuring method based on measuring device |
| CN106222399A (en) * | 2016-07-19 | 2016-12-14 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN107727788A (en) * | 2017-10-16 | 2018-02-23 | 首钢集团有限公司 | The detection method of sintering charge level heat intensity in a kind of ignition furnace |
| CN107884087A (en) * | 2017-12-08 | 2018-04-06 | 鞍钢集团矿业有限公司 | A kind of test device and its method of sinter bed surface temperature |
| CN107917855A (en) * | 2017-11-29 | 2018-04-17 | 辽宁科技大学 | A kind of method and device for detecting iron-containing charge integral high temperature metallurgical performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208787U (en) * | 1987-06-06 | 1988-02-17 | 北京钢铁学院 | Multifunctional gaging head for melting steel |
| CN2309564Y (en) * | 1997-03-27 | 1999-03-03 | 包头钢铁学院 | Thermal couple |
-
2011
- 2011-06-23 CN CN201110171116.8A patent/CN102840926B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208787U (en) * | 1987-06-06 | 1988-02-17 | 北京钢铁学院 | Multifunctional gaging head for melting steel |
| CN2309564Y (en) * | 1997-03-27 | 1999-03-03 | 包头钢铁学院 | Thermal couple |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088211A (en) * | 2013-01-28 | 2013-05-08 | 首钢总公司 | Method and device for measuring position and temperature of combustion zone in sinter bed |
| CN105571332A (en) * | 2014-10-17 | 2016-05-11 | 宝山钢铁股份有限公司 | Measuring device for temperature changes of sintered ore layer in ring cooling machine and temperature measuring method based on measuring device |
| CN105571332B (en) * | 2014-10-17 | 2017-10-31 | 宝山钢铁股份有限公司 | Sintering deposit ore bed temperature change measurement apparatus and the temp measuring method based on the device in central cooler |
| CN106222399A (en) * | 2016-07-19 | 2016-12-14 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN106222399B (en) * | 2016-07-19 | 2019-10-29 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN107727788A (en) * | 2017-10-16 | 2018-02-23 | 首钢集团有限公司 | The detection method of sintering charge level heat intensity in a kind of ignition furnace |
| CN107727788B (en) * | 2017-10-16 | 2019-11-26 | 首钢集团有限公司 | A kind of detection method of the interior sintering charge level heat intensity of ignition furnace |
| CN107917855A (en) * | 2017-11-29 | 2018-04-17 | 辽宁科技大学 | A kind of method and device for detecting iron-containing charge integral high temperature metallurgical performance |
| CN107884087A (en) * | 2017-12-08 | 2018-04-06 | 鞍钢集团矿业有限公司 | A kind of test device and its method of sinter bed surface temperature |
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| Publication number | Publication date |
|---|---|
| CN102840926B (en) | 2014-03-19 |
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