CN103994837B - Multipoint temperature sensor that can high low-temperature measurement - Google Patents
Multipoint temperature sensor that can high low-temperature measurement Download PDFInfo
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- CN103994837B CN103994837B CN201410241416.2A CN201410241416A CN103994837B CN 103994837 B CN103994837 B CN 103994837B CN 201410241416 A CN201410241416 A CN 201410241416A CN 103994837 B CN103994837 B CN 103994837B
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Abstract
Multipoint temperature sensor that can high low-temperature measurement, comprises having to measure 1000 DEG C of above noble-metal thermocouples of temperature and have many and measures 1000 DEG C of following cheap metal armoured thermocouples of temperature; Noble-metal thermocouple comprises sheathed structure position and assembly structure position, the measuring point that wherein assembly structure position is noble-metal thermocouple, sheathed structure position and assembly structure position are by the first black box sealing, after the upper end at sheathed structure position and the welding of the first reinforced tube, also seal with the second black box through flange, its cold junction is connected to terminal box by the first filling pullover wire of drawing; After the upper end of cheap metal armoured thermocouple and the welding of the second reinforced tube, also seal with the second black box through flange, its cold junction is connected to terminal box by the second filling pullover wire of drawing. Go for water wall gasifier and other and have the stove of high low-temperature measurement demand.
Description
Technical field
The present invention relates to a kind of temperature sensor, relate in particular to one and can measure simultaneously the multipoint temperature sensor of high and low temperature (different temperatures section).
Background technology
Have a kind of Novel gasification furnace that adopts water-cooling wall technique, be made up of burner hearth, inwall, water-cooling wall, ring cavity and outer wall, process requires to monitor respectively the temperature of burner hearth, water-cooling wall and ring cavity. Wherein in burner hearth, temperature is higher than more than 1200 DEG C, and water-cooling wall and ring cavity temperature are lower than 300 DEG C; Separate and burner hearth and ring cavity are inner walls, water-cooling wall is pasting inwall, and the pressure of burner hearth and ring cavity is generally all greater than 4MPa. This just needs a kind of temperature sensor can all monitor three temperature that position is different simultaneously, and there is inside and outside double-deck different hermetically-sealed construction, the measurement of burner hearth needs noble-metal thermocouple, and the measurement of ring cavity needs cheap metal thermocouple, and general multipoint temperature sensor cannot be accomplished.
Summary of the invention
Technical problem to be solved by this invention is: a kind of multipoint temperature sensor that can simultaneously measure high and low temperature is provided. This multipoint temperature sensor can be suitable for having with water wall gasifier and other stove of high low-temperature measurement demand.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of multipoint temperature sensor that can high low-temperature measurement, comprises having to measure 1000 DEG C of above noble-metal thermocouples of temperature and have many and measure 1000 DEG C of following cheap metal armoured thermocouples of temperature; Described noble-metal thermocouple comprises sheathed structure position and is positioned at the assembly structure position of below, sheathed structure position, the measuring point that wherein assembly structure position is noble-metal thermocouple, sheathed structure position and assembly structure position are by the first black box sealing, after the upper end at sheathed structure position and the welding of the first reinforced tube, also seal with the second black box through flange, its cold junction is connected to terminal box by the first filling pullover wire of drawing; After the upper end of described cheap metal armoured thermocouple and the welding of the second reinforced tube, also seal with the second black box through flange, its cold junction is connected to terminal box by the second filling pullover wire of drawing.
The further technical scheme of the present invention is: the assembly structure position of noble-metal thermocouple comprises metal ceramic tube, is placed in metal ceramic tube and the alundum tube and the connecting screw that contain two noble-metal thermocouple silks, described the first black box comprises the first magnetic bead, the first seal, the second magnetic bead, the first compact heap, the first pin, the first nut, the second nut, high-temperature plastic and two glass fibres, the first seal, the first magnetic bead and the second magnetic bead are double-pore structure, after two noble-metal thermocouple silks penetrate respectively two glass fibres and through the first magnetic bead, the diplopore of the first seal and the second magnetic bead enters in alundum tube, alundum tube penetrates in metal ceramic tube again, wherein the first seal outer wall is angle of taper, connecting screw inwall has the angle of taper matching with the first seal outer wall angle of taper, between the sheathed structure position of described noble-metal thermocouple and noble-metal thermocouple silk, seal with high-temperature plastic, the length of glass fibre is distance between high-temperature plastic and the first magnetic bead, between the first compact heap and the first nut, with the first pin location, the first nut and connecting screw are welded.
Beneficial effect of the present invention: 1, this temperature sensor has noble-metal thermocouple and cheap metal thermocouple; wherein; the measuring junction of noble-metal thermocouple is fabricated construction; its protection tube is metal ceramic tube; noble metal thermo wires overcoat is corundum, and the temperature higher than metal-coating ability can be measured temperature (the highest can measure 1600 DEG C) more than 1000 DEG C; and cheap metal thermocouple measuring temperature is at 0～1000 DEG C, thereby there is the technique effect of measuring the different temperature of height. Go for water wall gasifier and other and have the stove of high low-temperature measurement demand. 2, metal ceramic tube is threaded connection with stove is inner and is connected, and with the first black box sealing, can prevent the medium circulation between ring cavity and burner hearth. 3, branched armoured thermocouple (comprising noble-metal thermocouple and cheap metal thermocouple) and reinforced tube welding, and by the second black box sealing, can be high pressure resistant and can singly prop up independent replacing.
Below in conjunction with drawings and Examples, technology contents of the present invention is described further.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of an embodiment of the present invention.
The A of Fig. 2 Fig. 1 is to partial view.
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Fig. 4 is the C portion enlarged drawing of Fig. 1.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present embodiment is a kind of multipoint temperature sensor that is suitable for having with water wall gasifier and other stove of high low-temperature measurement demand, comprises having to measure 1000 DEG C of above noble-metal thermocouples 5 of temperature and have many measuring the cheap metal armoured thermocouples 13 of temperature below 1000 DEG C; Described noble-metal thermocouple comprises sheathed structure position 5.1 and is positioned at the assembly structure position 5.2 of 5.1 belows, sheathed structure position, wherein assembly structure position 5.2 is the measuring point of noble-metal thermocouple 5, sheathed structure position 5.1 seals by the first black box 4 with assembly structure position 5.2, after the upper end at sheathed structure position 5.1 and the first reinforced tube 8.1 welding, also seal with the second black box 7 through flange 6, its cold junction is drawn wire 11 by first filling pullover 10.1 and is connected to terminal box 12; After the upper end of described cheap metal armoured thermocouple 13 and the second reinforced tube 8.2 welding, also seal with the second black box 7 through flange 6; its cold junction is drawn wire 11 by second filling pullover 10.2 and is connected to terminal box 12; upper protection tube 9 is threaded connection with flange 6, and terminal box 12 is fixed on protection tube 9.
The present embodiment, the assembly structure position 5.2 of described noble-metal thermocouple comprises metal ceramic tube 1, is placed in metal ceramic tube 1 and the alundum tube 2 and the connecting screw 3 that contain two noble-metal thermocouple silks, described the first black box 4 comprises the first magnetic bead 4.1, the first seal 4.2, the second magnetic bead 4.3, the first compact heap 4.4, the first pin 4.5, the first nut 4.6, the second nut 4.7, high-temperature plastic 4.8 and two glass fibre 4.9, the first seals 4.2, the first magnetic bead 4.1 and the second magnetic bead 4.3 are double-pore structure, two noble-metal thermocouple silks 2.1 can be penetrated respectively to the first seal 4.2, the first magnetic bead 4.1, in the diplopore of the second magnetic bead 4.3, after two noble-metal thermocouple silks penetrate respectively two glass fibres 4.9 and through the first magnetic bead 4.1, the diplopore of the first seal 4.2 and the second magnetic bead 4.3 enters in alundum tube 2, alundum tube 2 penetrates in metal ceramic tube 1 again, wherein the first seal 4.2 outer walls are angle of taper, connecting screw 3 inwalls have the angle of taper matching with the first seal 4.2 outer wall angle of taper, by tightening connecting screw 3, can make the first compact heap 4.4 and the second magnetic bead 4.3 push the first seal 4.2, make closely extruding and two holes and the two also closely extruding of thermo wires of the first seal 4.2 outer walls and connecting screw 3 inwalls, play sealing function, between the sheathed structure position 5.1 of described noble-metal thermocouple and noble-metal thermocouple silk 2.1, seal with high-temperature plastic 4.8, the length of glass fibre 4.9 is distance between high-temperature plastic 4.8 and the first magnetic bead 4.1, between the first compact heap 4.4 and the first nut 4.6, locate with the first pin 4.5, the first nut 4.6 welds with connecting screw 3.
The present embodiment, described the second black box 7 comprises welding screw 7.1, the second seal 7.2, the second compact heap 7.3, the second pin 7.4, metal ferrule 7.5, the 3rd nut 7.6 and the 4th nut 7.7, the upper end at the sheathed structure position 5.1 of described noble-metal thermocouple and the first reinforced tube 8.1 weld, the first reinforced tube 8.1 penetrates into flange 6 successively, welding screw 7.1, the second seal 7.2, the second compact heap 7.3, the 3rd nut 7.6, metal ferrule 7.5 and the 4th nut 7.7, by tightening the 3rd nut 7.6 and the 4th nut 7.7, make respectively the second seal 7.2 and metal ferrule 7.5 seal the first reinforced tube 8.1, wherein between the 3rd nut 7.6 and the second compact heap 7.3, locate with the second pin 7.4, prevent that the second compact heap 7.3 from rotating.
Cheap metal armoured thermocouple is identical with the sealing means at noble-metal thermocouple sheathed structure position with the sealing means of flange. The upper end of described cheap metal armoured thermocouple 13 and the second reinforced tube 8.2 weld, the second reinforced tube 8.2 penetrates into flange 6, welding screw 7.1, the second seal 7.2, the second compact heap 7.3, the 3rd nut 7.6, metal ferrule 7.5 and the 4th nut 7.7 successively, by tightening the 3rd nut 7.6 and the 4th nut 7.7, make respectively the second seal 7.2 and metal ferrule 7.5 seal the second reinforced tube 8.2, wherein between the 3rd nut 7.6 and the second compact heap 7.3, locate with the second pin 7.4.
Claims (3)
1. a multipoint temperature sensor that can high low-temperature measurement, is characterized in that: comprise having to measure 1000 DEG C of above noble-metal thermocouples (5) of temperature and have many and measure 1000 DEG C of temperature cheap metal armoured thermocouples (13) below, described noble-metal thermocouple comprises sheathed structure position (5.1) and is positioned at the assembly structure position (5.2) of below, sheathed structure position (5.1), wherein assembly structure position (5.2) are the measuring point of noble-metal thermocouple (5), sheathed structure position (5.1) seals by the first black box (4) with assembly structure position (5.2), after the upper end at sheathed structure position (5.1) and the first reinforced tube (8.1) welding, also seal with the second black box (7) through flange (6), its cold junction is drawn wire (11) by first filling pullover (10.1) and is connected to terminal box (12), after the upper end of described cheap metal armoured thermocouple (13) and the second reinforced tube (8.2) welding, also seal with the second black box (7) through flange (6), its cold junction is drawn wire (11) by second filling pullover (10.2) and is connected to terminal box (12), the assembly structure position (5.2) of described noble-metal thermocouple comprises metal ceramic tube (1), is placed in metal ceramic tube (1) and the alundum tube (2) and the connecting screw (3) that contain two noble-metal thermocouple silks, described the first black box (4) comprises the first magnetic bead (4.1), the first seal (4.2), the second magnetic bead (4.3), the first compact heap (4.4), the first pin (4.5), the first nut (4.6), the second nut (4.7), high-temperature plastic (4.8) and two glass fibres (4.9), the first seal (4.2), the first magnetic bead (4.1) and the second magnetic bead (4.3) are double-pore structure, after two noble-metal thermocouple silks penetrate respectively two glass fibres (4.9) and through the first magnetic bead (4.1), the diplopore of the first seal (4.2) and the second magnetic bead (4.3) enters in alundum tube (2), alundum tube (2) penetrates in metal ceramic tube (1) again, wherein the first seal (4.2) outer wall is angle of taper, connecting screw (3) inwall has the angle of taper matching with the first seal (4.2) outer wall angle of taper, between the sheathed structure position (5.1) of described noble-metal thermocouple and noble-metal thermocouple silk (2.1), seal with high-temperature plastic (4.8), the length of glass fibre (4.9) is distance between high-temperature plastic (4.8) and the first magnetic bead (4.1), between the first compact heap (4.4) and the first nut (4.6), with the first pin (4.5) location, the first nut (4.6) welds with connecting screw (3).
2. multipoint temperature sensor that can high low-temperature measurement according to claim 1, it is characterized in that: described the second black box (7) comprises welding screw (7.1), the second seal (7.2), the second compact heap (7.3), the second pin (7.4), metal ferrule (7.5), the 3rd nut (7.6) and the 4th nut (7.7), the upper end at the sheathed structure position (5.1) of described noble-metal thermocouple and the first reinforced tube (8.1) welding, the first reinforced tube (8.1) penetrates into flange (6) successively, welding screw (7.1), the second seal (7.2), the second compact heap (7.3), the 3rd nut (7.6), metal ferrule (7.5) and the 4th nut (7.7), by tightening the 3rd nut (7.6) and the 4th nut (7.7), make respectively the second seal (7.2) and metal ferrule (7.5) sealing the first reinforced tube (8.1), wherein between the 3rd nut (7.6) and the second compact heap (7.3), locate with the second pin (7.4).
3. multipoint temperature sensor that can high low-temperature measurement according to claim 1, it is characterized in that: described the second black box (7) comprises welding screw (7.1), the second seal (7.2), the second compact heap (7.3), the second pin (7.4), metal ferrule (7.5), the 3rd nut (7.6) and the 4th nut (7.7), the upper end of described cheap metal armoured thermocouple (13) and the second reinforced tube (8.2) welding, the second reinforced tube (8.2) penetrates into flange (6) successively, welding screw (7.1), the second seal (7.2), the second compact heap (7.3), the 3rd nut (7.6), metal ferrule (7.5) and the 4th nut (7.7), by tightening the 3rd nut (7.6) and the 4th nut (7.7), make respectively the second seal (7.2) and metal ferrule (7.5) sealing the second reinforced tube (8.2), wherein between the 3rd nut (7.6) and the second compact heap (7.3), locate with the second pin (7.4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410241416.2A CN103994837B (en) | 2014-06-03 | 2014-06-03 | Multipoint temperature sensor that can high low-temperature measurement |
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| CN201410241416.2A CN103994837B (en) | 2014-06-03 | 2014-06-03 | Multipoint temperature sensor that can high low-temperature measurement |
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| CN103994837B true CN103994837B (en) | 2016-05-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458041A (en) * | 2014-11-27 | 2015-03-25 | 中国科学院上海硅酸盐研究所 | Ampoule for testing temperature field of hearth |
| CN107025316B (en) * | 2016-08-24 | 2020-04-14 | 华东理工大学 | Method for monitoring temperature of water-cooled wall gasifier |
| CN110057460A (en) * | 2018-01-17 | 2019-07-26 | 国核华清（北京）核电技术研发中心有限公司 | Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device |
| CN111473879B (en) * | 2020-04-24 | 2022-07-12 | 吴方立 | Cable type multi-point multi-branch flexible armored thermal resistor/thermocouple |
| CN111693169B (en) * | 2020-06-10 | 2021-06-15 | 淄博益源工程技术有限公司 | High-pressure multi-point flexible thermocouple sealed by high-pressure threaded connection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203848951U (en) * | 2014-06-03 | 2014-09-24 | 浙江伦特机电有限公司 | Multi-point temperature sensor for measurement at high and low temperatures |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385197A (en) * | 1980-11-28 | 1983-05-24 | Pneumo Corporation | Multipoint thermocouple assembly |
| US5232517A (en) * | 1992-05-01 | 1993-08-03 | Hilborn Howard L | Multipoint thermocouple assembly |
| JP2001221695A (en) * | 2000-02-10 | 2001-08-17 | Mitsubishi Heavy Ind Ltd | Multi-point sensor |
| CN101806637A (en) * | 2009-02-13 | 2010-08-18 | 天津市中环温度仪表有限公司 | Adjustable armored thermocouple (resistor) with multipoint leakage resistance |
| CN201772942U (en) * | 2010-08-31 | 2011-03-23 | 天津市中环温度仪表有限公司 | Dedicated multipoint thermocouple for coal gasification device |
| CN201844889U (en) * | 2010-11-12 | 2011-05-25 | 浙江伦特机电有限公司 | Temperature sensor for high-temperature and low-temperature measurement of hearth |
| CN102607730B (en) * | 2012-04-20 | 2014-04-09 | 吴方立 | Multipoint flexible thermocouple |
| CN203053600U (en) * | 2013-01-11 | 2013-07-10 | 浙江伦特机电有限公司 | High-pressure multi-point flexible thermocouple with leak hunting device |
| CN103528705B (en) * | 2013-10-17 | 2016-08-31 | 杭州亿泰自控设备有限公司 | Detachable high pressure resistant multipoint flexible thermocouple |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203848951U (en) * | 2014-06-03 | 2014-09-24 | 浙江伦特机电有限公司 | Multi-point temperature sensor for measurement at high and low temperatures |
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