CN215296487U - Be suitable for measuring device of power plant boiler tube panel outer metal wall temperature - Google Patents
Be suitable for measuring device of power plant boiler tube panel outer metal wall temperature Download PDFInfo
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- CN215296487U CN215296487U CN202120660452.8U CN202120660452U CN215296487U CN 215296487 U CN215296487 U CN 215296487U CN 202120660452 U CN202120660452 U CN 202120660452U CN 215296487 U CN215296487 U CN 215296487U
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Abstract
The utility model relates to a power plant boiler tube panel outer metal wall temperature measurement technical field, and disclose a be suitable for measuring device of power plant boiler tube panel outer metal wall temperature, including the seal box outer casing, the inboard fixed mounting of seal box outer casing has thermal insulation material, the inboard fixed mounting of thermal insulation material has the seal box inner casing, the inside fixed mounting of seal box outer casing has the registration arm, one side fixed mounting of registration arm has thermal-insulated packing ring. The device for measuring the temperature of the metal wall outside the tube panel of the power station boiler achieves the effect of convenient installation by arranging the locking nut, the thermocouple and the heat insulation cover, when in use, the thermocouple penetrates through the heat insulation cover and enters the locking nut to be directly connected to the metal wall surface of the outer wall of the pipe to be measured, and after the contact point of the thermocouple and the metal wall surface of the pipe to be measured are tightly connected, the nut on the locking nut is screwed, so that the device is not convenient to fall off and is firmer in the use process.
Description
Technical Field
The utility model relates to a power plant boiler tube panel outer metal wall temperature measurement technical field specifically is a be suitable for measuring device of power plant boiler tube panel outer metal wall temperature.
Background
The development environment of the power industry is also changing profoundly as the economic development of China enters a new normal era, the traditional power development mode also meets the bottleneck, the traditional power generation enterprises are forced to need to gradually transform and continuously develop towards intelligence and wisdom, the intelligent revolution of the power generation enterprises is adapted to the 'intelligent' revolution of the traditional power generation enterprises in the new situation, the 'intelligent' revolution of the power generation enterprises is the continuous improvement of the digitalization and informatization technology of basic-level production equipment, and the improvement of the monitoring means and the digitalization precision of the production equipment, the power station boiler is the main power equipment source of the thermal power generation system, the tube panel is the core part of the boiler, the monitoring of the metal wall temperature of the tube panel is one of the objects which are mainly concerned and monitored by the operation engineers of the power plant in the production process, on one hand, the metal wall temperature outside the tube panel also represents the temperature of steam in the tube, and can reflect whether the tube panel has potential safety hazards or not in time; on the other hand, the temperature of the metal wall outside the tube panel furnace is also one of important marks for measuring the operation level of the unit, so that the accurate measurement of the temperature of the metal wall outside the tube panel furnace has important significance for the safe, economic and reliable operation of the unit.
But present measuring device, the thermal junction that exists measures, to dispel the heat, increase the thermal junction and is surveyed the thermal resistance between the pipe wall around, to prior art's not enough, the utility model provides a be suitable for measuring device of power plant boiler tube panel outer metal wall temperature possesses the advantage such as be convenient for insulate against heat, has solved general measuring device to dispel the heat, reduce the problem of measuring the thermal resistance around, further improves measurement accuracy and reduces measuring error. The measured temperature value is not the wall temperature of the tube panel metal, and the measurement error is larger, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be suitable for measuring device of power plant boiler tube panel outer metal wall temperature possesses the advantage such as be convenient for insulate against heat, has solved general measuring device to dispel the heat, reduce the problem of measuring thermal resistance around, further improves measurement accuracy and reduces measuring error.
(II) technical scheme
For realizing the above-mentioned purpose of being convenient for to insulate against heat, the utility model provides a following technical scheme: the utility model provides a be suitable for measuring device of power plant boiler tube panel outer metal wall temperature, includes the seal box outer casing, the inboard fixed mounting of seal box outer casing has thermal insulation material, the inboard fixed mounting of thermal insulation material has the seal box inner casing, the inside fixed mounting of seal box outer casing has the registration arm, one side fixed mounting of registration arm has thermal-insulated packing ring, one side fixed mounting of registration arm has cylindricality external screw thread boss, the inside fixed mounting of cylindricality external screw thread boss has lock nut, one side fixed mounting of cylindricality external screw thread boss has the thermocouple, the inboard fixed mounting of cylindricality external screw thread boss has thermal-insulated cover, one side fixed mounting of cylindricality external screw thread boss has the pipe of being surveyed.
Preferably, the outer sealing box protecting plate and the inner sealing box protecting plate are respectively composed of a folded edge plate made of stainless steel plates and two end sealing plates, and the two end sealing plates are made into arc shapes the same as the outer diameters of the pipes to be tested.
Preferably, be equipped with cylindricality external screw thread boss and annular seal groove on the hem board of seal box outer casing, leave the round hole that lock nut passed in the middle of the cylindricality external screw thread boss, leave the round hole that supplies the registration arm to pass on the hem board of seal box inner casing.
Preferably, a cavity is formed between the outer protective plate of the seal box and the inner protective plate of the seal box, heat insulation materials are filled inside the cavity, the two end sealing plates are used for sealing, the inner protective plate of the seal box and the pipe to be detected are not welded, and only the outer protective plate of the seal box and the pipe to be detected are sealed.
Preferably, the contact surface of the sealing box and the pipe to be tested can be pre-manufactured into an arc shape with the same outer diameter as the pipe to be tested according to the outer diameter of the pipe to be tested when the sealing box is prefabricated in a factory, so that the sealing of the cavity is ensured after the sealing box is installed.
Preferably, the positioning pipe is a section of internal thread pipe and is fixed on the inner protective plate of the sealing box in a welding mode, one end of the positioning pipe points to the pipe to be measured during welding, and the length of the other end of the positioning pipe is controlled well by the height of a cavity between the inner protective plate of the sealing box and the outer protective plate of the sealing box and the thickness of the internal heat insulation gasket.
Preferably, an insulating gasket 5 is arranged between the locking nut and the outer protective plate of the sealing box, the insulating gasket is positioned before the insulating material is filled, and then the insulating material is refilled.
(III) advantageous effects
Compared with the prior art, the utility model provides a be suitable for measuring device of power plant boiler tube panel metal wall temperature outside stove possesses following beneficial effect:
1. the measuring device suitable for the metal wall temperature outside the tube panel furnace of the power station boiler achieves the effect of being convenient to install through the arrangement of the locking nut, the thermocouple and the heat insulation cover, when the measuring device is used, the thermocouple penetrates through the heat insulation cover and enters the locking nut to be directly connected to the metal surface of the outer wall of the measured tube, when the measuring device is installed, the nut on the locking nut is screwed down after the contact point of the thermocouple and the metal wall surface of the measured tube are tightly connected, so that the measuring device is inconvenient to fall off and firmer in the use process, the effect of being convenient to insulate heat is achieved through the arrangement of the heat insulation material, the heat insulation washer and the heat insulation cover, the measuring device can be better insulated comprehensively when the measuring device is used, the measuring device is inconvenient to damage, and the service life of the measuring device is prolonged.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1. an outer protective plate of the sealing box; 2. a thermal insulation material; 3. an inner guard plate of the seal box; 4. a positioning tube; 5. a heat insulating gasket; 6. locking the nut; 7. a thermocouple; 8. a heat shield; 9. a pipe to be tested; 10. a cylindrical external thread boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a device for measuring the temperature of the metal wall outside a tube panel of a utility boiler comprises an outer protective plate 1 of a sealing box, a thermal insulation material 2 is fixedly arranged on the inner side of the outer protective plate 1 of the sealing box, an inner protective plate 3 of the sealing box is fixedly arranged on the inner side of the thermal insulation material 2, a positioning tube 4 is fixedly arranged in the outer protective plate 1 of the sealing box, a thermal insulation gasket 5 is fixedly arranged on one side of the positioning tube 4, a cylindrical external thread boss 10 is fixedly arranged on one side of the positioning tube 4, a locking nut 6 is fixedly arranged in the cylindrical external thread boss 10, a thermal insulation gasket 5 is arranged between the locking nut 6 and the outer protective plate 1 of the sealing box, the thermal insulation gasket 5 is in place before the thermal insulation material 2 is filled, then the thermal insulation material 2 is refilled, a thermocouple 7 is fixedly arranged on one side of the cylindrical external thread boss 10, a thermal insulation cover 8 is fixedly arranged on the inner side of the cylindrical external thread boss 10, a pipe to be measured 9 is fixedly installed on one side of the cylindrical external thread boss 10, a cylindrical external thread boss 10 and an annular sealing groove are arranged on a folded plate of the outer protection plate 1 of the sealing box, a round hole through which a locking nut 6 passes is reserved in the middle of the cylindrical external thread boss 10, a round hole through which a positioning pipe 4 passes is reserved on the folded plate of the inner protection plate 3 of the sealing box, the outer protection plate 1 of the sealing box and the inner protection plate 3 of the sealing box are respectively composed of a folded plate made of stainless steel plates and two end sealing plates, the two end sealing plates are made into an arc shape with the same external diameter as the pipe to be measured 9, a cavity is formed between the outer protection plate 1 of the sealing box and the inner protection plate 3 of the sealing box, the inner sealing plate 2 is filled, the two end sealing plates are adopted, the inner protection plate 3 of the sealing box and the pipe to be measured 9 are not welded, only the outer protection plate 1 of the sealing box and the pipe to be measured 9 are in contact surfaces, and the pipe to be measured 9, and the heat insulation material 2 can be prefabricated in a factory into an arc shape with the same external diameter as the pipe to be measured 9 according to the external diameter of the pipe to be measured, when the device is used, the thermocouple 7 penetrates through the heat insulation cover 8 and enters the locking nut 6 to directly reach the metal surface on the outer wall of the pipe 9 to be tested, the nut on the locking nut 6 is screwed after the contact point of the thermocouple 7 is tightly connected with the metal surface of the pipe 9 to be tested, so that the device is inconvenient to fall off and more firm in use, and the heat insulation material 2, the heat insulation washer 5 and the heat insulation cover 8 are arranged, reach the thermal-insulated effect of being convenient for, can be better carry out comprehensive thermal-insulated to its measuring device when using to make measuring device be not convenient for damage, improved this measuring device's life.
When the device is used, the metal wall surface of a pipe 9 to be measured is polished, a prefabricated heat insulation sealing box is welded, a locking nut 6 is installed, a thermocouple 7 penetrates through a heat insulation cover 8 and enters the locking nut 6 to the metal wall surface of the pipe, the nut on the locking nut 6 is screwed down after the thermocouple 7 is ensured to be tightly contacted with the pipe wall, the heat insulation cover 8 is installed, a heat insulation layer is led out, and the positioning pipe 4 measures the temperature of the metal wall outside a pipe screen of a power station boiler, so that the work is completed.
In conclusion, the measuring device suitable for the temperature of the metal wall outside the tube panel furnace of the utility boiler has the advantages of convenience in heat insulation and the like, solves the problems that a common measuring device radiates heat to the periphery and reduces the measurement thermal resistance, further improves the measurement precision and reduces the measurement error, and therefore the using effect of the measuring device for the temperature of the metal wall outside the tube panel furnace of the utility boiler is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a be suitable for measuring device of outer metal wall temperature of power plant boiler tube panel stove, includes seal box outer casing (1), its characterized in that: the utility model discloses a heat insulation device, including seal box outer casing (1), inboard fixed mounting of seal box outer casing (1) has heat insulation material (2), the inboard fixed mounting of heat insulation material (2) has seal box inner casing (3), the inside fixed mounting of seal box outer casing (1) has registration arm (4), one side fixed mounting of registration arm (4) has thermal-insulated packing ring (5), one side fixed mounting of registration arm (4) has cylindricality external screw thread boss (10), the inside fixed mounting of cylindricality external screw thread boss (10) has lock nut (6), one side fixed mounting of cylindricality external screw thread boss (10) has thermocouple (7), the inboard fixed mounting of cylindricality external screw thread boss (10) has thermal-insulated cover (8), one side fixed mounting of cylindricality external screw thread boss (10) has measured pipe (9).
2. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: the outer protective plate (1) and the inner protective plate (3) of the sealing box are respectively composed of a folded plate made of stainless steel plates and two end sealing plates, and the two end sealing plates are made into arc shapes with the same outer diameters as the tested pipe (9).
3. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: be equipped with cylindricality external screw thread boss (10) and annular seal groove on the hem board of seal box outer casing (1), leave the round hole that lock nut (6) passed in the middle of cylindricality external screw thread boss (10), leave the round hole that supplies registration arm (4) to pass on the hem board of seal box inner casing (3).
4. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: a cavity is formed between the outer protective plate (1) of the sealing box and the inner protective plate (3) of the sealing box, heat-insulating materials (2) are filled inside the cavity, sealing is achieved through sealing plates at two ends, the inner protective plate (3) of the sealing box and a pipe (9) to be tested are not welded, and only the outer protective plate (1) of the sealing box and the pipe (9) to be tested are welded.
5. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: the contact surface of the sealing box and the tested pipe (9) can be used for prefabricating the heat insulating material (2) into an arc shape with the same outer diameter as the tested pipe (9) according to the outer diameter of the tested pipe (9) in a factory, so that the cavity is sealed after installation.
6. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: the positioning pipe (4) is a section of internal thread pipe and is fixed on the inner sealing box protecting plate (3) in a welding mode, one end of the positioning pipe (4) points to a measured pipe (9) during welding, and the length of the other end controls the height of a cavity between the outer sealing box protecting plate (1) and the inner sealing box protecting plate (3) and the thickness of the inner heat-insulating gasket (5).
7. The device for measuring the temperature of the metal wall outside the tube panel of the utility boiler in accordance with claim 1, wherein: and a heat insulation gasket (5) is arranged between the locking nut (6) and the outer protective plate (1) of the sealing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660452.8U CN215296487U (en) | 2021-03-31 | 2021-03-31 | Be suitable for measuring device of power plant boiler tube panel outer metal wall temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660452.8U CN215296487U (en) | 2021-03-31 | 2021-03-31 | Be suitable for measuring device of power plant boiler tube panel outer metal wall temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296487U true CN215296487U (en) | 2021-12-24 |
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ID=79535207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660452.8U Active CN215296487U (en) | 2021-03-31 | 2021-03-31 | Be suitable for measuring device of power plant boiler tube panel outer metal wall temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215296487U (en) |
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2021
- 2021-03-31 CN CN202120660452.8U patent/CN215296487U/en active Active
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