CN203587242U - Temperature sensor for gasification furnace in coal chemical industry - Google Patents
Temperature sensor for gasification furnace in coal chemical industry Download PDFInfo
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- CN203587242U CN203587242U CN201320737923.6U CN201320737923U CN203587242U CN 203587242 U CN203587242 U CN 203587242U CN 201320737923 U CN201320737923 U CN 201320737923U CN 203587242 U CN203587242 U CN 203587242U
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- temperature sensor
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Abstract
The utility model discloses a temperature sensor for a gasification furnace in a coal chemical industry. A thermocouple wire is located in a protective casing, one end of the protective casing is connected with one end of sleeve, the other end of the sleeve is connected with one end of a bulb tube, the other end of the bulb tube is connected with one end of one end of a sealing flange, the other end of the sealing flange is connected with one end of a sealing assembly, the other end of the sealing assembly is connected with a junction box, one end of a connecting sleeve of the bulb tube is sequentially sleeved by a lock nut, a cutting sleeve and a positioning pin arranged at the circumferential surface of the bulb tube, the inner wall of the sleeve is provided with an axial key slot and a limiting step, in the process of inserting the end part of the bulb tube into the sleeve, the bulb tube and the sleeve are connected through a screw after the positioning pin passes through the key slot, and the cutting sleeve is clamped between the bulb tube and the limiting step on the inner wall of the sleeve after the lock nut is in threaded connection with the sleeve. The temperature sensor disclosed by the utility model has the advantages of convenient and efficient adjustment, convenient installation, high temperature resistance and high pressure resistance.
Description
Technical field
The utility model relates to a kind of temperature sensor, particularly adjustable high temperature high voltage resistant temperature sensor for a kind of Coal Chemical Industry.
Background technology
At present, the fire box temperature of many high-temperature furnace bodies of Coal Chemical Industry industry under normal operation reaches 1300～1400 ℃, because high-temperature furnace body operates under high temperature, condition of high voltage, opening, during blowing out, temperature and pressure changes greatly, at high temperature the washing away of gas and melting cinder, seriously corroded, larger for the temperature survey difficulty of high-temperature furnace body burner hearth inside.
Develop into now, have a kind of pyrometer couple of structure popular, i.e. coal gasifier Thermostable anti-high pressure thermocouple.Length and the angle of this thermopair are adjustable, but because its angle adjustable extent is excessive, easily cause thermo wires to snap in rotation process, and length is to regulate by screw thread, but reach is larger, easily stuck in adjustment process, and operation is also relatively required great effort.Due to Structure Designing Problem, spent metal material is more, uses heavier.Moreover, also there is seal defect in this kind of thermopair, and seal assembling process is complicated, necessary extreme care, its sealing effectiveness of guarantee.
Summary of the invention
For overcoming the drawback of current temperature sensor, fundamental purpose of the present invention is to provide a kind of easy to adjust, quick, and the Coal Chemical Industry gasification furnace temperature sensor of high temperature high voltage resistant is installed simply.
The technical scheme solving the problems of the technologies described above is as follows:
Coal Chemical Industry gasification furnace temperature sensor, comprise thermocouple wire, protective casing, sleeve, bulb, seal flange, seal assembly and terminal box, thermocouple wire is positioned at protective casing, one end of protective casing is connected with one end of sleeve, the other end of sleeve is connected with one end of bulb, the other end of bulb is connected with one end of seal flange, the other end of seal flange is connected with one end of seal assembly, the other end of seal assembly is connected with terminal box, one end of the coupling sleeve of bulb is overlapped successively set nut, cutting ferrule, and be arranged on the register pin on this bulb periphery, the internal face of described sleeve is provided with axial keyway, the internal face of sleeve is provided with limited step, the end of bulb is in inserting sleeve process, described register pin is after described keyway, bulb and sleeve are connected by screw, after described set nut is connected with bush whorl, cutting ferrule is clamped between the limited step on bulb and sleeve lining face.
One end of described bulb is provided with bulb, and one end being connected with bulb of described seal flange is provided with hole, and the end with bulb of bulb is inserted into this Kong Zhonghou, and second set nut being enclosed within on bulb is threaded bulb is limited in hole with seal flange.
Described bulb is provided with damping spring and clamp nut, and damping spring pretension is between the second set nut and clamp nut.
Described seal flange adopts stainless steel material to make.
Terminal box adopts stainless steel to make.
Protective casing is comprised of skin, internal layer and the middle layer between skin and internal layer; skin is alundum tube, and middle layer is SiC protection tube, and internal layer is alundum tube; between skin and middle layer, be filled with high temperature adhesive, the gap-fill between middle layer and internal layer has alumina powder.
Between sleeve and protective casing, be provided with connecting pipe.
Seal assembly comprises seal element, and sealing element is the seal element that volcanics is made.
Adopted such scheme, the utility model is in structural design, length adjustment adopts telescopic adjustment principle, no longer adopt threaded adjusting, sleeve lining has keyway, and the end of bulb is welded with pin, when bulb inserts connecting pipe, pin just can be by the keyway of sleeve, thereby avoid connecting pipe and bulb to produce relative rotation, consequently thermo wires strand is disconnected.After the threaded hole that pin on bulb is passed by connecting pipe, in threaded hole, by hexagonal holding screw, so just blocked key, bulb just can not extracted out from connecting pipe.When being adjusted to suitable length, by set nut, promote cutting ferrule, cutting ferrule is just stuck between connecting pipe and bulb, thereby plays locking effect.Angular adjustment is rotated and is regulated by small-sized bulb, regulating and controlling space, no longer on a large scale angular adjustment.At bulb and flange connections, by damping spring, protect, when angular adjustment, can play cushioning effect.At other position, also done strengthen to adjust, through this series of improvement, formed safe and reliable, long, simple Coal Chemical Industry dedicated temperature sensor easy for installation of life-span.
The utility model, in original technical foundation, for user's demand, not only, on critical material is selected or in structural design, has been carried out very large improvement and innovation, has broken through the bad difficult problem of result of use of original structure thermopair.On critical material is selected, protection tube especially, what still select is the high-end carborundum tube that performance is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of temperature sensor of the present utility model;
Fig. 2 is the schematic diagram of the P portion in Fig. 1;
Fig. 3 is the sectional view along the A-A line in Fig. 2;
Fig. 4 is the schematic diagram of the I portion in Fig. 1.
In accompanying drawing, 1 is thermocouple wire, and 2 is protective casing; 3 is connecting pipe, and 4 is sleeve, and 5 is set nut; 6 is bulb, and 7 is damping spring, and 8 is seal flange; 9 is seal assembly, and 10 is terminal box, and 12 is cutting ferrule; 13 is register pin, and 14 is keyway, and 15 is screw; 16 is the second set nut, and 17 is clamp nut.
Embodiment
Referring to figs. 1 through Fig. 4, Coal Chemical Industry gasification furnace temperature sensor of the present utility model, comprises thermocouple wire 1, protective casing 2, sleeve 4, bulb 6, seal flange 8, seal assembly 9 and terminal box 10.
Thermocouple wire 1 is positioned at protective casing, and the utility model thermocouple wire 1 adopts the B calibration thermo wires of standard, i.e. Pt-Rh30/Pt-Rh6; industry II level; normative reference GB/T 1598-2010, as temperature element, it has higher thermometric range and good measuring accuracy.
The other end of sleeve 4 is connected with one end of bulb 6, and the other end of bulb 6 is connected with one end of seal flange.One end of the coupling sleeve of bulb is overlapped successively set nut 5, cutting ferrule 12, and be arranged on the register pin 13 on this bulb periphery, the internal face of described sleeve 4 is provided with axial keyway 14, the internal face of sleeve 4 is provided with limited step, the end of bulb 6 is in inserting sleeve process, described register pin 13 is after described keyway 14, and bulb 6 is connected by screw 15 with sleeve 4.On the internal face of sleeve 4, be provided with screw thread, after described set nut 5 is threaded with sleeve 4, cutting ferrule 12 be clamped between the limited step on bulb 6 and sleeve 4 internal faces.One end of described bulb 6 is provided with bulb, one end being connected with bulb 6 of described seal flange 8 is provided with hole, the end with bulb of bulb 6 is inserted into this Kong Zhonghou, and second set nut 16 being enclosed within on bulb 6 is threaded bulb is limited in hole with seal flange 8.Described bulb 6 is provided with damping spring 7 and clamp nut 17, and damping spring 7 pretensions are between the second set nut 16 and clamp nut 17.
The other end of seal flange 8 is connected with one end of seal assembly 9.Seal flange 8 adopts stainless steel material to make, and has good sealing property, is mainly used in and body of heater connector abutting joint.Seal assembly 9 comprises seal element, and sealing element is the seal element that volcanics is made.Seal assembly 9 also comprises this body nut, pressure cap, guide pipe, pin, porcelain knob.Wherein, in use, if there is the situation of gas leakage or protective casing breakage, volcanics seal element can not be melted the utility model yet, thereby high temperature gas flow is just plugged, and is unlikely to go out outside reburner body of heater, has guaranteed device safety in utilization.The other end of seal assembly 9 is connected with terminal box 10, and terminal box 10 adopts stainless steel to make, and terminal box 10 is mainly used in the output of thermocouple wire electrode signal and connects and safeguard protection, and stainless steel terminal box further improves use explosive-proof grade.
Concrete assembling process of the present utility model is: adopt the alundum tube of Φ 40 * 2, each of the alundum tube of the carborundum tube of Φ 30 * 6.5, Φ 12 * 3, compound with the connecting pipe 3 of metal, filled high-temperature glue between outer alundum tube and silit, between silit and internal layer alundum tube, fill alumina powder, place 24h.After the inner finding of assembly and connection pipe (as graphite packing, bushing pipe etc.), connecting pipe 3 and sleeve 4 are welded.The bulb 6 that the end that the parts such as damping spring 7, set nut 5, cutting ferrule 12 are housed is welded with to pin inserts in sleeve 4, then with hexagonal holding screw, bulb 6 and sleeve 4 is fastened as a whole.The thermocouple wire 1 of standard Type B, through Φ 4 diplopore porcelain tubes, is put into the alundum tube of sleeve pipe together, and thermo wires solder joint arrives alundum tube top.Bulb 6 packs in the seal flange of 304 stainless steels, and fastening the second set nut 16, suitably steps up clamp nut 17, makes slightly tension force of damping spring 7.Seal assembly 9 is threaded connection with seal flange 8, and two thermo wires that expose are through volcanic debris seal assembly 9, and after press seal, thermocouple wire 1 enters stainless steel terminal box 10(d II CT6).
The utility model angular adjustment and shock attenuation device are reasonable in design, easy for installation, and its schematic diagram is shown in Fig. 4.Pack the bulb of bulb into seal flange, first-class the second set nut 16, bulb is just trapped in seal flange, and owing to there being certain gap between flange inner wall and bulb, so bulb is movable.Damping spring 7 by pretension between the second set nut 16 and clamp nut 17, thereby played angular adjustment in certain limit and the effect of damping.
The utility model is through checking on probation, when soon the utility model is applied to the detection of Coal Chemical Industry high-temperature furnace body fire box temperature in our company, can detect safely, reliably, accurately Coal Chemical Industry high-temperature furnace body fire box temperature, realize the target of Coal Chemical Industry production run energy-saving and emission-reduction.With at the congenerous sensor by model, compare at present, no matter all there is extraordinary advantage in performance or in function.
Claims (8)
1. a Coal Chemical Industry gasification furnace temperature sensor, comprise thermocouple wire, protective casing, sleeve, bulb, seal flange, seal assembly and terminal box, thermocouple wire is positioned at protective casing, one end of protective casing is connected with one end of sleeve, the other end of sleeve is connected with one end of bulb, the other end of bulb is connected with one end of seal flange, the other end of seal flange is connected with one end of seal assembly, the other end of seal assembly is connected with terminal box, it is characterized in that: one end of the coupling sleeve of bulb is overlapped successively set nut, cutting ferrule, and be arranged on the register pin on this bulb periphery, the internal face of described sleeve is provided with axial keyway, the internal face of sleeve is provided with limited step, the end of bulb is in inserting sleeve process, described register pin is after described keyway, bulb and sleeve are connected by screw, after described set nut is connected with bush whorl, cutting ferrule is clamped between the limited step on bulb and sleeve lining face.
2. Coal Chemical Industry gasification furnace temperature sensor according to claim 1, it is characterized in that: one end of described bulb is provided with bulb, one end being connected with bulb of described seal flange is provided with hole, the end with bulb of bulb is inserted into this Kong Zhonghou, and second set nut being enclosed within on bulb is threaded bulb is limited in hole with seal flange.
3. Coal Chemical Industry gasification furnace temperature sensor according to claim 2, is characterized in that: described bulb is provided with damping spring and clamp nut, and damping spring pretension is between the second set nut and clamp nut.
4. Coal Chemical Industry gasification furnace temperature sensor according to claim 1, is characterized in that: described seal flange adopts stainless steel material to make.
5. Coal Chemical Industry gasification furnace temperature sensor according to claim 1, is characterized in that: terminal box adopts stainless steel to make.
6. Coal Chemical Industry gasification furnace temperature sensor according to claim 1; it is characterized in that: protective casing is comprised of skin, internal layer and the middle layer between skin and internal layer; skin is alundum tube; middle layer is SiC protection tube; internal layer is alundum tube; between skin and middle layer, be filled with high temperature adhesive, the gap-fill between middle layer and internal layer has alumina powder.
7. Coal Chemical Industry gasification furnace temperature sensor according to claim 1, is characterized in that: between sleeve and protective casing, be provided with connecting pipe.
8. Coal Chemical Industry gasification furnace temperature sensor according to claim 1, is characterized in that: seal assembly comprises seal element, and sealing element is the seal element that volcanics is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737923.6U CN203587242U (en) | 2013-11-21 | 2013-11-21 | Temperature sensor for gasification furnace in coal chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737923.6U CN203587242U (en) | 2013-11-21 | 2013-11-21 | Temperature sensor for gasification furnace in coal chemical industry |
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| CN203587242U true CN203587242U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320737923.6U Expired - Fee Related CN203587242U (en) | 2013-11-21 | 2013-11-21 | Temperature sensor for gasification furnace in coal chemical industry |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864972A (en) * | 2015-04-21 | 2015-08-26 | 安徽埃克森科技集团有限公司 | Thermocouple with buffer function |
| CN105067139A (en) * | 2015-07-29 | 2015-11-18 | 广西华银铝业有限公司 | Thermal resistor protective structure |
| CN107560751A (en) * | 2017-07-18 | 2018-01-09 | 杨志强 | A kind of elastic contact type wireless temperature measurement mechanism |
| CN108917956A (en) * | 2018-09-20 | 2018-11-30 | 天津德尔泰热控系统有限公司 | A kind of thermocouple mounting structure |
| CN109186794A (en) * | 2018-10-19 | 2019-01-11 | 上海仪器仪表自控系统检验测试所有限公司 | 0 area's application apparatus of explosion isolation type thermal couple |
| CN114005560A (en) * | 2021-10-22 | 2022-02-01 | 华能核能技术研究院有限公司 | High-temperature gas cooled reactor absorption ball falling limiting device and ball bed type high-temperature gas cooled reactor |
-
2013
- 2013-11-21 CN CN201320737923.6U patent/CN203587242U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864972A (en) * | 2015-04-21 | 2015-08-26 | 安徽埃克森科技集团有限公司 | Thermocouple with buffer function |
| CN104864972B (en) * | 2015-04-21 | 2017-10-20 | 安徽埃克森科技集团有限公司 | A kind of thermocouple with pooling feature |
| CN105067139A (en) * | 2015-07-29 | 2015-11-18 | 广西华银铝业有限公司 | Thermal resistor protective structure |
| CN107560751A (en) * | 2017-07-18 | 2018-01-09 | 杨志强 | A kind of elastic contact type wireless temperature measurement mechanism |
| CN108917956A (en) * | 2018-09-20 | 2018-11-30 | 天津德尔泰热控系统有限公司 | A kind of thermocouple mounting structure |
| CN109186794A (en) * | 2018-10-19 | 2019-01-11 | 上海仪器仪表自控系统检验测试所有限公司 | 0 area's application apparatus of explosion isolation type thermal couple |
| CN114005560A (en) * | 2021-10-22 | 2022-02-01 | 华能核能技术研究院有限公司 | High-temperature gas cooled reactor absorption ball falling limiting device and ball bed type high-temperature gas cooled reactor |
| CN114005560B (en) * | 2021-10-22 | 2023-07-04 | 华能核能技术研究院有限公司 | Ball stop device falls in high temperature gas cooled reactor absorption ball and ball bed formula high temperature gas cooled reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141121 |
|
| EXPY | Termination of patent right or utility model |