CN220270637U - Pipeline movement temperature measuring device of SOFC system - Google Patents
Pipeline movement temperature measuring device of SOFC system Download PDFInfo
- Publication number
- CN220270637U CN220270637U CN202321818666.9U CN202321818666U CN220270637U CN 220270637 U CN220270637 U CN 220270637U CN 202321818666 U CN202321818666 U CN 202321818666U CN 220270637 U CN220270637 U CN 220270637U
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- pipeline
- temperature measuring
- fluid
- pipe
- probe
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- 239000012530 fluid Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 2
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to a pipeline mobile temperature measuring device of an SOFC system, which comprises a fluid pipeline, a thermocouple and a temperature measuring instrument, wherein the outer surface of the fluid pipeline is provided with the temperature measuring pipeline, one end of the temperature measuring pipeline is communicated with the interior of the fluid pipeline, the other end of the temperature measuring pipeline is detachable with a sealing mechanism, a probe of the thermocouple sequentially penetrates through the sealing mechanism and the temperature measuring pipeline and then stretches into the interior of the fluid pipeline, and the thermocouple is electrically connected with the temperature measuring instrument; according to the utility model, the probe of the probe can measure the temperature of different positions of the fluid in the vertical direction at the section of the pipeline by moving the thermocouple, only one thermocouple is needed, so that the manufacturing cost of the SOFC system is greatly reduced, the probe of the probe is directly contacted with the fluid, infrared rays or optical fiber equipment is not needed, the influence of heat resistance between the outer wall of the fluid pipeline and the fluid or the influence of interference factors possibly existing outside the fluid pipeline is avoided, and the accuracy and the stability of temperature measurement are improved.
Description
Technical Field
The utility model relates to the technical field of fixed oxide fuel cells, in particular to a pipeline mobile temperature measuring device of an SOFC system.
Background
The Solid Oxide Fuel Cell (SOFC) is an efficient, clean and renewable energy conversion power generation device and has the advantages of high energy density, high efficiency, low emission and the like. Certain components in the SOFC system have harsh temperature distribution to inlets and outlets, such as stacks, heat exchangers, etc., and the temperature distribution is controlled within +/-10%, otherwise, the performance and the service life of the components are affected. Therefore, temperature measurements of the fluid in the SOFC system at different locations in the vertical direction at the pipe cross section are needed.
At present, two common methods for measuring the temperature of the pipeline fluid exist: the first is that a plurality of thermocouples at fixed positions are arranged in the fluid pipeline, and the temperature of the fluid at different positions in the vertical direction at the section of the pipeline is measured through the relation between the thermoelectric voltage generated by the thermocouples and the temperature of the fluid; the second is to provide an infrared sensor or an optical fiber sensor outside the fluid pipe, and measure the temperature of the fluid at different positions in the vertical direction at the section of the pipe through the relationship between the infrared or optical fiber signal and the temperature of the fluid. The two methods have the following defects: the first method requires the use of a large number of thermocouples, which increases the manufacturing cost of the SOFC system; the second method requires the use of infrared or fiber optic equipment, and affects the accuracy and stability of temperature measurement due to the thermal resistance between the inner and outer walls of the fluid conduit, or the external presence of interference factors such as dust, moisture, etc. on the fluid conduit.
Disclosure of Invention
The utility model aims to design a pipeline mobile temperature measuring device of an SOFC system, so that the problem in the background technology can be solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a pipeline removes temperature measuring device of SOFC system, includes fluid pipeline, thermocouple and thermoscope, fluid pipeline's surface is equipped with the temperature measurement pipeline, the one end of temperature measurement pipeline with fluid pipeline's inside intercommunication, the other end can dismantle there is sealing mechanism, the probe of thermocouple passes in proper order sealing mechanism with stretch into behind the temperature measurement pipeline fluid pipeline's inside, the thermocouple with the thermoscope electricity is connected.
Further, the sealing mechanism comprises a pressure nut and a sealing unit, wherein the pressure nut is detachably connected with one end, far away from the fluid pipeline, of the temperature measuring pipeline, the sealing unit is located inside the pressure nut, and the probe penetrates through the pressure nut and the sealing unit.
Furthermore, an external thread is arranged on the outer surface of one end, far away from the fluid pipeline, of the temperature measuring pipeline, and an internal thread matched with the external thread is arranged on the inner wall of the pressure nut.
Further, the inner wall of the pressure nut far away from one end of the fluid pipeline is provided with an inner support matched with the probe, and the sealing unit is positioned between one end of the temperature measuring pipeline far away from the fluid pipeline and the inner support.
Still further, the sealing unit include with probe looks adaptation first sealing washer and second sealing washer, the bottom surface of first sealing washer with the temperature measurement pipeline is kept away from the one end contact of fluid pipeline, the top surface of first sealing washer is equipped with the recess, the top surface of second sealing washer with interior support contact, the bottom surface of second sealing washer be equipped with recess looks adaptation boss.
Furthermore, the width of the groove is gradually decreased from top to bottom, the width of the boss is gradually decreased from top to bottom, and the width of the upper part of the boss is larger than the width of the upper part of the groove.
The beneficial effects of the utility model are as follows:
the outer surface of the fluid pipeline is provided with the temperature measuring pipeline communicated with the inner part of the fluid pipeline, the probe of the thermocouple is arranged in the temperature measuring pipeline and can extend into the fluid pipeline, the probe of the thermocouple can be used for measuring the temperature of different positions of fluid on the vertical direction of the section of the pipeline by moving the thermocouple, only one thermocouple is needed, the manufacturing cost of the SOFC system is greatly reduced, the probe of the probe is directly contacted with the fluid, infrared rays or optical fiber equipment is not needed, the influence of heat resistance exists between the outer wall of the fluid pipeline and the fluid or interference factors possibly exist outside the fluid pipeline is avoided, and the accuracy and the stability of temperature measurement are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the first seal ring and the second seal ring of the present utility model mated;
fig. 3 is a cross-sectional view of a compression nut of the present utility model.
The names of the components marked in the figures are as follows:
1. a fluid conduit; 2. a thermocouple; 3. a temperature measuring instrument; 4. a temperature measuring pipeline; 5. a probe; 6. a pressure nut; 7. an external thread; 8. an internal thread; 9. an inner support; 10. a first seal ring; 11. a second seal ring; 12. a groove; 13. a boss.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a pipe moving temperature measuring device of an SOFC system comprises a fluid pipe 1, a thermocouple 2 and a thermometer 3, wherein the outer surface of the fluid pipe 1 is provided with a temperature measuring pipe 4, one end of the temperature measuring pipe 4 is communicated with the inside of the fluid pipe 1, the other end of the temperature measuring pipe 4 is detachably provided with a pressure nut 6, the outer surface of one end of the temperature measuring pipe 4, which is far away from the fluid pipe 1, is provided with an external thread 7, the inner wall of the pressure nut 6 is provided with an internal thread 8 which is matched with the external thread 7, the inside of the pressure nut 6 is provided with a first sealing ring 10 and a second sealing ring 11, the first sealing ring 10 and the second sealing ring 11 are made of elastic materials, the bottom surface of the first sealing ring 10 is contacted with one end of the temperature measuring pipe 4, the top surface of the first sealing ring 10 is provided with a groove 12, the top surface of the second sealing ring 11 is contacted with an inner support 9, the bottom surface of the second sealing ring 11 is provided with a boss 13 which is matched with the groove, the width of the groove 12 is gradually decreased from top to bottom, the width of the boss 13 is larger than the groove 12, the width of the upper part of the boss is larger than the groove 12 is tightly pressed against the groove 12, and the width of the groove 12 is larger than the groove 11 is pressed against the groove 11, and the groove 11 is pressed against the groove 11 is made to be larger than the groove 11, and the width of the groove is deformed by the groove 4 is made to be more than the groove 11, and the groove is pressed by the groove 11 is pressed by the groove 4, and is pressed against the groove is pressed by the groove 4, the groove is pressed; the probe 5 of the thermocouple 2 penetrates through the pressure nut 6, the second sealing ring 11, the first sealing ring 10 and the temperature measuring pipeline 4 and then stretches into the fluid pipeline 1, and the probe of the probe 5 can measure the temperatures of different positions of the fluid in the vertical direction at the section of the pipeline by moving the thermocouple 2; the thermocouple 2 is electrically connected with the thermometer 3.
Working principle:
as shown in fig. 1-3, before the temperature of the fluid is measured, the probe 5 of the thermocouple 2 sequentially passes through the pressure nut 6, the second sealing ring 11, the first sealing ring 10 and the temperature measuring pipeline 4 and then stretches into the fluid pipeline 1, then the bottom surface of the first sealing ring 10 is contacted with one end of the temperature measuring pipeline 4 far away from the fluid pipeline 1, then the internal thread 8 of the pressure nut 6 is connected with the external thread 7 of the temperature measuring pipeline 4, the pressure nut 6 is screwed, the inner support 9 presses the second sealing ring 11, so that the boss 13 of the second sealing ring 11 is inserted into the groove 12, and the first sealing ring 11 is deformed due to the fact that the width of the upper part of the boss 13 is larger than the width of the upper part of the groove 12, so that the first sealing ring 10 is used for sealing a gap between the temperature measuring pipeline 4 and the probe 5, after the fluid passes through the fluid pipeline 1, the probe 5 can measure the temperatures of different positions of the fluid in the vertical direction of the pipeline section by moving the probe 2, and the temperature values are displayed by the temperature measuring instrument 3, and the first sealing ring 10 and the second sealing ring 11 can also keep the state when the first sealing ring 11 and the second sealing ring 11 are both elastic materials.
The present utility model is not limited to the above embodiments, but is capable of other modifications, equivalents and alternatives falling within the scope of the present utility model as long as the modifications, equivalents and alternatives falling within the spirit and scope of the utility model are available to those skilled in the art without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a pipeline removes temperature measuring device of SOFC system, includes fluid pipeline (1), thermocouple (2) and thermoscope (3), its characterized in that, the surface of fluid pipeline (1) is equipped with temperature measurement pipeline (4), and the one end and the inside intercommunication of fluid pipeline (1) of temperature measurement pipeline (4), and the other end can be dismantled there is sealing mechanism, and probe (5) of thermocouple (2) stretch into the inside of fluid pipeline (1) after passing sealing mechanism and temperature measurement pipeline (4) in proper order, and thermocouple (2) are connected with thermoscope (3) electricity.
2. The pipe-moving temperature measuring device of the SOFC system according to claim 1, characterized in that the sealing mechanism comprises a pressure nut (6) and a sealing unit, the pressure nut (6) is detachably connected with the end of the temperature measuring pipe (4) away from the fluid pipe (1), the sealing unit is located inside the pressure nut (6), and the probe (5) passes through the pressure nut (6) and the sealing unit.
3. The pipe moving temperature measuring device of the SOFC system according to claim 2, characterized in that the outer surface of the end of the temperature measuring pipe (4) far away from the fluid pipe (1) is provided with an external thread (7), and the inner wall of the pressure nut (6) is provided with an internal thread (8) which is matched with the external thread (7).
4. The pipe moving temperature measuring device of the SOFC system according to claim 2, characterized in that the inner wall of the end of the pressure nut (6) far away from the fluid pipe (1) is provided with an inner support (9) adapted to the probe (5), and the sealing unit is located between the inner support (9) and the end of the temperature measuring pipe (4) far away from the fluid pipe (1).
5. The pipe moving temperature measuring device of the SOFC system according to claim 4, characterized in that the sealing unit comprises a first sealing ring (10) and a second sealing ring (11) which are matched with the probe (5), the bottom surface of the first sealing ring (10) is contacted with one end of the temperature measuring pipe (4) far away from the fluid pipe (1), the top surface of the first sealing ring (10) is provided with a groove (12), the top surface of the second sealing ring (11) is contacted with the inner support (9), and the bottom surface of the second sealing ring (11) is provided with a boss (13) matched with the groove.
6. The pipe movement temperature measuring device of the SOFC system of claim 5, wherein the width of the groove (12) decreases from top to bottom in sequence, the width of the boss (13) decreases from top to bottom in sequence, and the width of the upper portion of the boss (13) is larger than the width of the upper portion of the groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818666.9U CN220270637U (en) | 2023-07-12 | 2023-07-12 | Pipeline movement temperature measuring device of SOFC system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818666.9U CN220270637U (en) | 2023-07-12 | 2023-07-12 | Pipeline movement temperature measuring device of SOFC system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270637U true CN220270637U (en) | 2023-12-29 |
Family
ID=89315437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321818666.9U Active CN220270637U (en) | 2023-07-12 | 2023-07-12 | Pipeline movement temperature measuring device of SOFC system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270637U (en) |
-
2023
- 2023-07-12 CN CN202321818666.9U patent/CN220270637U/en active Active
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