CN211477431U - Double-deck water-cooled wall type gasifier temperature measuring device's mounting structure - Google Patents
Double-deck water-cooled wall type gasifier temperature measuring device's mounting structure Download PDFInfo
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- CN211477431U CN211477431U CN201922283635.8U CN201922283635U CN211477431U CN 211477431 U CN211477431 U CN 211477431U CN 201922283635 U CN201922283635 U CN 201922283635U CN 211477431 U CN211477431 U CN 211477431U
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Abstract
The utility model provides a double-deck water-cooled wall type gasifier temperature measuring device's mounting structure, includes thermocouple, terminal box, its characterized in that: the thermocouple comprises an armored thermocouple cable and a thermocouple probe, the thermocouple probe is fixedly connected with the hot end of the armored thermocouple cable through a connecting seat, the cold end of the armored thermocouple cable is connected with a junction box, a hollow bolt is sleeved on the connecting seat and used for being fixedly installed with a first water-cooling layer wall of a gasification furnace, a first movable clamping sleeve nut, a flange mounting disc and a second movable clamping sleeve nut are sequentially sleeved on a shaft section between the hot end and the cold end of the armored thermocouple cable, the first movable clamping sleeve nut can axially move along the armored thermocouple cable and is used for being fixedly installed with a second water-cooling layer wall of the gasification furnace, the flange mounting disc can axially move relative to the armored thermocouple cable and is used for being fixedly installed with the wall of the gasification furnace, and the second movable clamping sleeve nut can axially move along the armored thermocouple cable and is used for being fixedly.
Description
Technical Field
The utility model relates to a temperature measurement technical field, in particular to water-cooled wall type gasifier temperature measuring device's mounting structure.
Background
The water-cooled wall type gasification furnace has the advantages of wide coal type adaptability, high thermal efficiency and carbon conversion rate and the like, and is an important development direction of entrained flow gasification technology. The gasification furnace adopts a pressurized coal gasification technology, the reaction temperature is high, the operation load is large, and accurate and effective temperature monitoring on important parts of the gasification furnace is very important. The water-cooled wall type gasification furnace is complex in structure, a circulating cooling water pipe is arranged inside the water-cooled wall, when the water-cooled wall type gasification furnace is designed into two layers of water-cooled walls, a first layer of water-cooled wall is tightly attached to the wall of a hearth, a second layer of water-cooled wall is positioned between the first layer of water-cooled wall and a furnace shell, and a spacing space is reserved between the second layer of water-cooled wall and the first layer of water-cooled wall as well as between the second layer of water-cooled wall and the furnace shell and is used. Due to the structure of the two water-cooling walls, when the temperature measuring device for measuring the temperature of the hearth is installed, the temperature measuring device needs to enter from a process flange on a furnace shell, pass through an annular cavity between the furnace shell and the second water-cooling wall, pass through a channel between the second water-cooling wall and the first water-cooling wall, and pass through the first water-cooling wall and the hearth wall, so that the temperature inside the hearth can be measured. The temperature measuring device has complex working conditions: the hearth, the protective gas channel, the ring cavity and the furnace shell cannot communicate gas with each other, meanwhile, because the circulating cooling water pipes are arranged in the two water-cooled walls, in order to avoid the circulating cooling water pipes, the mounting holes for the temperature measuring devices on the two water-cooled walls to penetrate and fix are often not in the same straight line with the process flange seats, the temperature of the ring cavity is about 350 ℃, the temperature of the protective gas channel is as high as 900 ℃, the existing gasifier temperature measuring device is adopted, and the problems of sealing, mounting and fixing of the temperature measuring devices on the second water-cooled wall layer cannot be effectively solved.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists above, provide a double-deck water-cooling wall type gasifier temperature measuring device's mounting structure, can realize sealed on second water-cooling wall layer and install fixedly, the technical scheme of the utility model as follows:
a mounting structure of a double-layer water-cooled wall type gasifier temperature measuring device comprises a thermocouple and a junction box, wherein the thermocouple comprises an armored thermocouple cable and a thermocouple probe, the thermocouple probe is fixedly connected with the hot end of the armored thermocouple cable through a connecting seat, the cold end of the armored thermocouple cable is connected with the junction box, a hollow bolt is sleeved on the connecting seat and is used for being mounted and fixed with a first water-cooled wall of a gasifier, a first movable clamping sleeve nut, a flange mounting disc and a second movable clamping sleeve nut are sequentially sleeved on a shaft section between the hot end and the cold end of the armored thermocouple cable, the first movable clamping sleeve nut can axially move along the armored thermocouple cable and is used for being mounted and fixed with a second water-cooled wall of the gasifier, the flange mounting disc can axially move relative to the armored thermocouple cable and is used for being mounted and fixed with the gasifier, the second movable clamping sleeve nut can move along the axial direction of the armored thermocouple cable and is used for being fixedly installed with the flange installation disc.
The junction box is fixedly connected with the flange mounting disc through a connecting pipe, and the second movable clamping sleeve nut and the cold end of the armored thermocouple cable are located in the connecting pipe.
The thermocouple is a noble metal type, a thermocouple probe of the thermocouple is an assembly type and comprises a thermode, an insulating knob insulator and a protective sleeve, the insulating knob insulator is sleeved outside the thermode, the protective sleeve is sleeved outside the insulating knob insulator, the thermocouple is a section stripped from the end part of the armored thermocouple cable, and high-temperature glue is arranged at the starting position of the stripping section.
The protective sleeve is made of ceramic materials.
The thermocouple is of a cheap metal type, and the core body of the thermocouple probe of the thermocouple is an armored thermocouple made of an armored thermocouple cable.
And a protective sleeve is sleeved outside the core body of the thermocouple probe.
The protective sleeve is made of ceramic or metal materials.
The flange mounting disc is provided with a threaded through hole for the armored thermocouple cable to pass through, and the second movable clamping sleeve nut is matched in the threaded through hole through threads to form positioning and locking of the armored thermocouple cable shaft.
The first movable ferrule nut and the second movable ferrule nut are both formed by welding a metal sealing ferrule joint and a movable nut.
One end of the connecting base is fixedly connected with a protective sleeve of the thermocouple probe, the other end of the connecting base is fixed with the armored thermocouple cable through a clamping ring, and a pressing cap is sleeved on the armored thermocouple cable and is in threaded fit connection with the connecting base.
Adopt above-mentioned technical scheme: the temperature sensing device comprises a thermocouple and a junction box, wherein the thermocouple comprises an armored thermocouple cable and a thermocouple probe, the thermocouple probe is fixedly connected with the hot end of the armored thermocouple cable through a connecting seat, the cold end of the armored thermocouple cable is connected with the junction box, and the junction box plays a role in protecting a temperature sensing element from being corroded by external atmosphere and enabling an external lead to be in good contact with the junction box; the connecting seat is sleeved with a hollow bolt, the hollow bolt is used for being fixedly installed with a first water-cooling layer wall of the gasification furnace, not only plays a role of fixing, but also plays a role of sealing, and prevents a hearth and a protective gas channel from communicating with each other, a first movable clamping sleeve nut, a flange installation disc and a second movable clamping sleeve nut are sequentially sleeved on a shaft section between the hot end and the cold end of the armored thermocouple cable, the first movable clamping sleeve nut can axially move along the armored thermocouple cable and is used for being fixedly installed with a second water-cooling layer wall of the gasification furnace, the flange installation disc can axially move relative to the armored thermocouple cable and is used for being fixedly installed with the wall of the gasification furnace shell, the second movable clamping sleeve nut can axially move along the armored thermocouple cable and is used for being fixedly installed with the flange installation disc, and the first movable clamping sleeve nut, the second movable clamping sleeve nut, the, The second activity cutting ferrule nut adjusts suitable position and fixes again, and the thermocouple has just been installed in the gasifier through first activity cutting ferrule nut, second activity cutting ferrule nut from this, because the utility model discloses an armor thermocouple cable has so solved and has supplied temperature measuring device on the two-layer water-cooling wall to pass and fixed mounting hole and the flexible mounting problem of technology flange seat on a straight line, and first activity cutting ferrule nut, second activity cutting ferrule nut can also play sealed effect effectively, prevents that furnace chamber, protection gas passageway, ring chamber and the outer gas leakage of each other.
The junction box is fixedly connected with the flange mounting disc through a connecting pipe, the second movable clamping sleeve nut and the cold end of the armored thermocouple cable are located in the connecting pipe, the connecting pipe plays a supporting role, and the armored thermocouple cable is prevented from being polluted, prevented from being pressed and prevented from being broken.
The thermocouple is the noble metal type, when measuring higher temperature region, adopts the noble metal, has precision height, durable, stable, the fast advantage of reaction, and the thermocouple probe of this thermocouple is the assembled, including thermode, insulating knob insulator, protective case, insulating knob insulator cover plays insulating effect in the thermode outside, protective case cover is in insulating knob insulator outside, protective case adopts ceramic material, plays high temperature resistant, wear-resisting, the protection thermocouple does not receive the effect that pollutes, corrodes, can prolong the life of thermocouple, the thermoelectric is one section that armoured thermocouple cable tip was peeled off out, peels off the initial department of section and is equipped with high temperature glue for blocking up coming off of insulating material in the armoured thermocouple cable.
The thermocouple is of a cheap metal type, when a lower temperature region is measured, the cheap metal type thermocouple is adopted, the cost is low, the core body of the thermocouple probe of the thermocouple is an armored thermocouple made of an armored thermocouple cable, namely the thermocouple is integrally of an armored type, the measurement hysteresis is small, the service life is long, the mechanical performance is good, the vibration resistance and the impact resistance are realized, and the bending is realized, so that the functions of multi-pass sealing installation and flexible connection can be realized.
The thermocouple probe is characterized in that a protective sleeve is sleeved outside the core body of the thermocouple probe, and the protective sleeve is made of ceramic or metal materials, so that the high temperature resistance, the wear resistance, the high pressure resistance, the pollution resistance, the corrosion resistance and the like of the thermocouple are further improved.
The flange mounting disc is provided with a threaded through hole for an armored thermocouple cable to pass through, and the second movable clamping sleeve nut is matched in the threaded through hole through threads to position and lock an armored thermocouple cable shaft, so that the fixing function and the sealing function are achieved, and the air leakage between the annular cavity and the outer side of the furnace shell is prevented.
The first movable clamping sleeve nut and the second movable clamping sleeve nut are formed by welding a metal sealing clamping sleeve joint and a movable nut, the metal sealing clamping sleeve joint is used for being axially fixed with an armored thermocouple cable, and the movable nut is used for being fixedly connected with a flange mounting plate or a second water-cooling layer wall.
One end of the connecting base is fixedly connected with a protective sleeve of the thermocouple probe, the other end of the connecting base is fixed with the armored thermocouple cable through a clamping ring, and a pressing cap is sleeved on the armored thermocouple cable and is in threaded fit connection with the connecting base, so that the thermocouple probe is fixedly connected onto the armored thermocouple cable.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic view of the installation structure of the present invention;
FIG. 2 is a schematic view of a thermocouple according to the present invention;
FIG. 3 is a schematic view of the structure of the thermocouple probe for measuring a higher temperature region of the present invention;
FIG. 4 is a schematic view of the structure of the thermocouple probe for measuring a lower temperature region according to the present invention;
fig. 5 is a schematic structural view of the movable ferrule nut of the present invention.
Detailed Description
The utility model discloses an embodiment of structure:
referring to fig. 1 to 5, the mounting structure of the double-layer water-cooled wall type gasifier temperature measuring device comprises a thermocouple and a junction box 6, wherein the thermocouple comprises an armored thermocouple cable 2 and a thermocouple probe 1, the thermocouple probe 1 is fixedly connected with the hot end of the armored thermocouple cable 2 through a connecting seat 11, the cold end of the armored thermocouple cable 2 is connected with the junction box 6, and the junction box 6 plays roles of protecting a temperature sensing element from being corroded by external atmosphere and enabling an external lead to be in good contact with a binding post; the connecting seat 11 is sleeved with a hollow bolt 14, the hollow bolt 14 is used for being fixedly installed with a first water-cooling layer wall 18 of the gasification furnace, the hollow bolt has a fixing effect and a sealing effect, the hearth 20 and the protective gas channel 22 are prevented from communicating with each other, a first movable clamping sleeve nut 3, a flange installation disc 4 and a second movable clamping sleeve nut 5 are sequentially sleeved on a shaft section between the hot end and the cold end of the armored thermocouple cable 2, the first movable clamping sleeve nut 3 can axially move along the armored thermocouple cable 2 and is used for being fixedly installed with a second water-cooling layer wall 19 of the gasification furnace, the flange installation disc 4 can axially move relative to the armored thermocouple cable 2 and is used for being fixedly installed with the wall of the gasification furnace casing, the second movable clamping sleeve nut 5 can axially move along the armored thermocouple cable 2 and is used for being fixedly installed with the flange installation disc 4, and can be used for fixedly installing a clamping sleeve on the armored thermocouple cable 2, The second movable clamping sleeve nut 5 is adjusted to a proper position and then fixed, the first movable clamping sleeve nut 3 and the second movable clamping sleeve nut 5 are both formed by welding a metal sealing clamping sleeve joint 17 and a movable nut 16, the metal sealing clamping sleeve joint 17 is used for being axially fixed with the armored thermocouple cable 2, the movable nut 16 is used for being fixedly connected with the flange mounting plate 4 or the second water-cooling layer wall 19, and therefore the thermocouple is mounted in the gasification furnace through the first movable clamping sleeve nut 3 and the second movable clamping sleeve nut 5. The junction box 6 is fixedly connected with the flange mounting disc 4 through a connecting pipe 7, the second movable clamping sleeve nut 5 and the cold end of the armored thermocouple cable 2 are located in the connecting pipe 7, the connecting pipe 7 not only plays a supporting role, but also enables the armored thermocouple cable 2 to be free of pollution and pressure and to be prevented from being broken. The flange mounting plate 4 is provided with a threaded through hole for the armored thermocouple cable 2 to pass through, when a plurality of thermocouples with different specifications need to be connected, the flange mounting plate 4 is correspondingly provided with a plurality of threaded through holes, and the embodiment is provided with one threaded through hole; the second movable clamping sleeve nut 5 is matched in the threaded through hole through threads to form positioning and locking of the armored thermocouple cable 2 shaft, so that the fixing effect and the sealing effect are achieved, and the air leakage between the annular cavity 21 and the outer side of the furnace shell 23 is prevented.
When measuring a higher temperature area, the noble metal type thermocouple has the advantages of high precision, durability, stability and quick reaction, the thermocouple probe 1 of the thermocouple is in an assembly type and comprises a thermode 8, an insulating knob insulator 9 and a protective sleeve 10, the insulating ceramic column 9 is sleeved outside the hot electrode 8 to play an insulating role, the protective sleeve 10 is sleeved outside the insulating ceramic column 9, the material and structure of the protection sleeve 10 can be selected according to the application environment of the thermocouple probe 1, the protection sleeve 10 of the embodiment is made of ceramic materials, has the functions of high temperature resistance, wear resistance, protection of the thermocouple from contamination and corrosion, can prolong the service life of the thermocouple, the thermode 8 is a section stripped from the end part of the armored thermocouple cable 2, and a high-temperature adhesive 15 is arranged at the starting part of the stripping section and used for blocking the insulation material in the armored thermocouple cable 2 from falling off.
When measuring a lower temperature area, the low-cost metal type thermocouple is adopted, the cost is low, the core body of the thermocouple probe 1 of the thermocouple is an armored thermocouple made of an armored thermocouple cable 2, namely the thermocouple is integrally armored, the measurement hysteresis is small, the service life is long, the mechanical property is good, the vibration resistance and the impact resistance are realized, and the bending is realized, so that the functions of multi-pass penetrating sealing installation and flexible connection can be realized. The core body of the thermocouple probe 1 is externally sleeved with a protective sleeve 10 which can be made of ceramic or metal materials, so that the performances of high temperature resistance, wear resistance, high pressure resistance, pollution resistance, corrosion resistance and the like of the thermocouple are further improved, the material and the structural form of the protective sleeve 10 are determined according to the application environment of the thermocouple probe 1, and the protective sleeve 10 does not need to be arranged according to the situation.
One end of the connecting base 11 is fixedly connected with the protective sleeve 10 of the thermocouple probe 1, the other end of the connecting base is fixed with the armored thermocouple cable 2 through the snap ring 13, and the pressing cap 12 is sleeved on the armored thermocouple cable 2 and is in threaded fit connection with the connecting base 11, so that the thermocouple probe 1 is fixedly connected onto the armored thermocouple cable 2.
Because the utility model discloses an armor thermocouple cable 2, so solved on the two-layer water-cooling wall supply temperature measuring device pass and fixed mounting hole and the flexible installation problem of technology flange seat on a straight line not, and first movable cutting ferrule nut 3, second activity cutting ferrule nut 5 can also play sealed effect effectively, prevent that furnace 20, protection gas passageway 22, ring chamber 21 and stove outer covering 23 from between each other getting angry outward. The high temperature resistance, high pressure resistance, pollution resistance and other performances of the flexible extension section are further improved.
The installation steps of the utility model are that firstly the thermocouple is penetrated from the process flange seat of the gasification furnace, the thermocouple probe 1 is made to pass through the ring cavity 21, the second water-cooling layer wall 19, the protective gas channel 22 and the first water-cooling layer wall 18 in sequence, then the hollow bolt 14 on the connecting seat 11 is fixedly connected with the mounting seat on the first water-cooling layer wall 18 through screw threads, so that the thermocouple probe 1 is installed on the first water-cooling layer wall 18, then the first movable cutting sleeve nut 3 enters from the cold end and is sleeved on the armored thermocouple cable 2 and slides to the second water-cooling layer wall 19, the movable nut 16 on the first movable cutting sleeve nut 3 is fixedly connected with the second water-cooling layer wall 19 through screw threads, then the metal sealing cutting sleeve joint 17 on the first movable cutting sleeve nut 3 is axially fixed with the armored cable 2, then the flange mounting plate 4 enters from the cold end and is sleeved on the armored thermocouple cable 2 and is fixedly connected with the process flange seat of the gasification furnace, then, a second movable cutting ferrule nut 5 enters from the cold end and is sleeved on the armored thermocouple cable 2, a movable nut 16 of the second movable cutting ferrule nut 5 is fixedly connected with the flange mounting disc 4 through threads, a metal sealing clamping sleeve joint 17 of the second movable cutting ferrule nut 5 is axially fixed with the armored thermocouple cable 2, one end of a connecting pipe 7 is fixedly connected with the flange mounting disc 4, the cold ends of the second movable cutting ferrule nut 5 and the armored thermocouple cable 2 are located in the connecting pipe 7, the armored thermocouple cable 2 extends into a junction box 6 for wiring, and finally the other end of the connecting pipe 7 is fixedly connected with the junction box 6.
Claims (10)
1. The utility model provides a double-deck water-cooled wall type gasifier temperature measuring device's mounting structure, includes thermocouple, terminal box (6), its characterized in that: the thermocouple comprises an armored thermocouple cable (2) and a thermocouple probe (1), the thermocouple probe (1) is fixedly connected with the hot end of the armored thermocouple cable (2) through a connecting seat (11), the cold end of the armored thermocouple cable (2) is connected with a junction box (6), a hollow bolt (14) is sleeved on the connecting seat (11), the hollow bolt (14) is used for being fixedly installed with a first water-cooling layer wall (18) of the gasification furnace, a first movable clamping sleeve nut (3), a flange mounting disc (4) and a second movable clamping sleeve nut (5) are sequentially sleeved on a shaft section between the hot end and the cold end of the armored thermocouple cable (2), the first movable clamping sleeve nut (3) can axially move along the armored thermocouple cable (2) and is used for being fixedly installed with a second water-cooling layer wall (19) of the gasification furnace, and the flange mounting disc (4) can axially move relative to the armored thermocouple cable (2), the second movable clamping sleeve nut (5) can axially move along the armored thermocouple cable (2) and is used for being fixedly installed with the wall of the gasification furnace casing.
2. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: the junction box (6) is fixedly connected with the flange mounting disc (4) through a connecting pipe (7), and the second movable clamping sleeve nut (5) and the cold end of the armored thermocouple cable (2) are located in the connecting pipe (7).
3. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: the thermocouple is the noble metal type, and thermocouple probe (1) of this thermocouple is the assembled, including thermode (8), insulating knob insulator (9), protective case (10), insulating knob insulator (9) cover is in thermode (8) outside, protective case (10) cover is in insulating knob insulator (9) outside, thermode (8) are the one section that armoured thermocouple cable (2) tip was peeled off out, and the starting department of peeling off the section is equipped with high temperature glue (15).
4. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 3, characterized in that: the protective sleeve (10) is made of ceramic materials.
5. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: the thermocouple is a cheap metal type, and the core body of the thermocouple probe (1) of the thermocouple is an armored thermocouple made of an armored thermocouple cable (2).
6. The mounting structure of the double-layer water-cooled wall type gasifier temperature measuring device according to claim 5, characterized in that: the core body of the thermocouple probe (1) is sleeved with a protective sleeve (10).
7. The mounting structure of the double-layer water-cooled wall type gasifier temperature measuring device according to claim 6, characterized in that: the protective sleeve (10) is made of ceramic or metal materials.
8. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: the flange mounting disc (4) is provided with a threaded through hole for the armored thermocouple cable (2) to pass through, and the second movable clamping sleeve nut (5) is matched in the threaded through hole through threads to form shaft positioning and locking of the armored thermocouple cable (2).
9. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: the first movable ferrule nut (3) and the second movable ferrule nut (5) are both formed by welding a metal sealing ferrule joint (17) and a movable nut (16).
10. The mounting structure of the double-wall water-cooled wall-type gasifier temperature measuring device according to claim 1, characterized in that: one end of the connecting base (11) is fixedly connected with the protective sleeve (10) of the thermocouple probe (1), the other end of the connecting base is fixed with the armored thermocouple cable (2) through a clamping ring (13), and a pressing cap (12) is sleeved on the armored thermocouple cable (2) and is connected with the connecting base (11) in a threaded fit mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922283635.8U CN211477431U (en) | 2019-12-18 | 2019-12-18 | Double-deck water-cooled wall type gasifier temperature measuring device's mounting structure |
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| CN201922283635.8U CN211477431U (en) | 2019-12-18 | 2019-12-18 | Double-deck water-cooled wall type gasifier temperature measuring device's mounting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088233A (en) * | 2020-11-04 | 2022-02-25 | 核工业理化工程研究院 | Anti-vibration temperature sensor with high temperature measurement precision and suit thereof |
| CN114543544A (en) * | 2020-11-18 | 2022-05-27 | 北京石墨烯研究院 | Temperature measuring device for tube furnace |
-
2019
- 2019-12-18 CN CN201922283635.8U patent/CN211477431U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088233A (en) * | 2020-11-04 | 2022-02-25 | 核工业理化工程研究院 | Anti-vibration temperature sensor with high temperature measurement precision and suit thereof |
| CN114543544A (en) * | 2020-11-18 | 2022-05-27 | 北京石墨烯研究院 | Temperature measuring device for tube furnace |
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