CN220379722U - Endoscopic high-temperature-resistant fire detection probe suitable for pulverized coal boiler - Google Patents
Endoscopic high-temperature-resistant fire detection probe suitable for pulverized coal boiler Download PDFInfo
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- CN220379722U CN220379722U CN202321721505.8U CN202321721505U CN220379722U CN 220379722 U CN220379722 U CN 220379722U CN 202321721505 U CN202321721505 U CN 202321721505U CN 220379722 U CN220379722 U CN 220379722U
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- fire detection
- pulverized coal
- high temperature
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 239000000523 sample Substances 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 4
- 238000007689 inspection Methods 0.000 claims 4
- 239000000835 fiber Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007537 lampworking Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model provides an endoscopic high-temperature-resistant fire detection probe suitable for a pulverized coal boiler, which comprises the following components: the movable sleeve, a part of the movable sleeve is movably arranged in the mounting channel of the side wall of the boiler; the optical fiber and the high-temperature lens are arranged in the movable sleeve, and one end of the optical fiber is connected with the high-temperature lens; the installation part is fixed on one side of the installation channel facing the outside of the boiler, the movable sleeve penetrates through the installation part, and the installation part is movably connected with the movable sleeve; the fire detection processor is connected with the other end of the optical fiber, and is positioned on one side of the movable sleeve far away from the installation channel and used for processing the result of high-temperature lens scanning. The movable sleeve wraps the optical fiber and the high-temperature lens, so that the protection effect is achieved. The mounting part is movably connected with the movable sleeve, so that the movable sleeve can freely move axially in the mounting part. According to the scheme, the movable sleeve can freely move in the axial direction, so that the situation that the movable sleeve is broken due to the fact that two ends of the movable sleeve are fixed and the axial movement in the prior art is avoided.
Description
Technical Field
The utility model relates to the technical field of pulverized coal boiler flame detection, in particular to an endoscopic high-temperature-resistant fire detection probe suitable for a pulverized coal boiler.
Background
The pulverized coal boiler burners adopt a four-corner tangential firing mode, each burner adopts one-to-one flame detection configuration, flame working conditions of the oil and coal burners are detected respectively, a flame detection probe is of an endoscopic structure, and a lens and optical fibers are adopted for flame transmission.
At present, the fire detection probe adopts a flange to fix the movable sleeve on the outer wall of the boiler, and the burner nozzle can swing, so that the movable sleeve is driven to axially move. Under the condition that both ends of the movable sleeve are fixed, as the burner nozzle frequently swings up and down, the corrugated pipe in the middle section of the movable sleeve is stressed and pulled, so that fatigue fracture is easy to occur at the welding position of the corrugated pipe and the steel pipe, cooling air leaks from the fracture position, the cooling air flow at the air outlet is reduced, the optical fiber and the lens cannot be well cooled, and the optical fiber and the fire detection lens are frequently burnt out. Thus, there is a need for a fire detection probe in which the axial movement of the moveable sheath is less likely to cause breakage of the moveable sheath.
Disclosure of Invention
The utility model provides an endoscopic high-temperature-resistant fire detection probe suitable for a pulverized coal boiler, which aims to solve the problem that the movable sleeve is easy to break due to axial movement of the movable sleeve in the prior art.
In order to solve the problems, the utility model provides an endoscopic high-temperature-resistant fire detection probe suitable for a pulverized coal boiler, which comprises the following components: the movable sleeve, a part of the movable sleeve is movably arranged in the mounting channel of the side wall of the boiler; the optical fiber and the high-temperature lens are arranged in the movable sleeve, and one end of the optical fiber is connected with the high-temperature lens; the installation part is fixed on one side of the installation channel facing the outside of the boiler, the movable sleeve penetrates through the installation part, and the installation part is movably connected with the movable sleeve; the fire detection processor is connected with the other end of the optical fiber, and is positioned on one side of the movable sleeve far away from the installation channel and used for processing the result of high-temperature lens scanning.
Further, the mounting portion includes a mounting structure and a tubular section connected to each other, the mounting structure is disposed outside the mounting passage, the tubular section is inserted into the mounting passage, and the movable sleeve passes through the mounting structure and the tubular section.
Further, the mounting structure comprises a rotating ring, a connecting pipe and an elastic component, one end of the connecting pipe is fixedly connected with the tubular section, the rotating ring is in threaded connection with the other end of the connecting pipe, the elastic component is positioned in the connecting pipe, an annular step is arranged in one end, close to the tubular section, of the connecting pipe, one end of the elastic component is limited in the axial direction by the annular step, and the rotating ring is abutted with the other end of the elastic component; the rotating ring moves close to or far away from the elastic component when rotating, so that the elastic component contracts or expands in the radial direction, the movable sleeve penetrates through the elastic component, and the elastic component clamps or loosens the movable sleeve through the radial contraction or expansion.
Further, the elastic component comprises a first limiting ring, an elastic section and a second limiting ring which are sequentially arranged, the first limiting ring is abutted to the annular step, the second limiting ring is abutted to the rotating ring, the elastic section is made of elastic materials, the inner diameter of the elastic section is smaller than that of the first limiting ring and the second limiting ring, and the elastic section is used for clamping or loosening the movable sleeve.
Further, the elastic section comprises a first elastic ring, a middle elastic ring and a second elastic ring which are sequentially abutted, wherein the first elastic ring is provided with a first conical surface, the first conical surface is abutted with the first limiting ring, the second elastic ring is provided with a second conical surface, and the second conical surface is abutted with the second limiting ring; wherein, on the outer peripheral surface of the elastic section, the distance between the first conical surface and the second conical surface is L1, and on the inner peripheral surface of the elastic section, the distance between the first conical surface and the second conical surface is L2, and L1 is less than L2.
Further, the movable sleeve comprises a first pipe section, a second pipe section and a third pipe section which are connected in sequence, the first pipe section is a hard pipe and is movably connected with the installation part, the second pipe section is a hose, the third pipe section is a hard pipe, and the third pipe section is positioned at one end, close to the inside of the boiler, of the installation channel.
Further, the first pipe section and the second pipe section are welded, and the second pipe section and the third pipe section are welded; the first pipe section and the third pipe section are steel pipes made of Q235 steel, and the second pipe section is a double-layer woven mesh metal hose made of 304SS steel.
Further, the endoscopic high-temperature-resistant fire detection probe suitable for the pulverized coal boiler further comprises a sleeve bracket, wherein the sleeve bracket is arranged at one end, close to the inside of the boiler, in the installation channel, and one end of the movable sleeve is fixedly connected with the sleeve bracket.
Further, the endoscopic high-temperature-resistant fire detection probe suitable for the pulverized coal boiler further comprises a lens support, wherein the lens support is used for fixing a high-temperature lens in the movable sleeve, the lens support is in a circular shape, and a plurality of uniformly distributed openings are formed in the edge of the lens support.
Further, the endoscopic high-temperature-resistant fire detection probe suitable for the pulverized coal boiler further comprises an air inlet pipe, wherein the air inlet pipe is connected with the first pipe section, and the air inlet pipe is used for blowing cooling air into the movable sleeve to cool the optical fiber and the high-temperature lens.
By applying the technical scheme of the utility model, the utility model provides an endoscopic high-temperature-resistant fire detection probe suitable for a pulverized coal boiler, which comprises the following components: the movable sleeve, a part of the movable sleeve is movably arranged in the mounting channel of the side wall of the boiler; the optical fiber and the high-temperature lens are arranged in the movable sleeve, and one end of the optical fiber is connected with the high-temperature lens; the installation part is fixed on one side of the installation channel facing the outside of the boiler, the movable sleeve penetrates through the installation part, and the installation part is movably connected with the movable sleeve; the fire detection processor is connected with the other end of the optical fiber, and is positioned on one side of the movable sleeve far away from the installation channel and used for processing the result of high-temperature lens scanning. By adopting the scheme, the movable sleeve wraps the optical fiber and the high-temperature lens, so that the protection effect is achieved. The installation part is movably connected with the movable sleeve, so that the movable sleeve can freely axially move in the installation part. And the fire detection processor processes information acquired by the high-temperature lens. The free movement of the movable sleeve in the axial direction is realized, and the problem that the movable sleeve is broken due to the fact that two ends of the movable sleeve are fixed and the axial movement in the prior art is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic structural diagram of an endoscopic high temperature resistant fire detection probe applicable to a pulverized coal boiler provided by an embodiment of the utility model;
fig. 2 shows a cross-sectional view of the mounting structure of fig. 1.
Wherein the above figures include the following reference numerals:
10. a movable sleeve; 11. a first pipe section; 12. a second pipe section; 13. a third pipe section;
21. an optical fiber; 22. a high temperature lens;
30. a mounting part; 31. a mounting structure; 311. a rotating ring; 312. a connecting pipe; 3121. an annular step; 313. an elastic component; 3131. a first stop collar; 3132. an elastic section; 3133. a second limiting ring; 32. a tubular section;
41. a fire detection processor; 42. a cannula holder; 43. a lens holder; 44. an air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 2, an embodiment of the present utility model provides an endoscopic high temperature resistant fire detection probe suitable for a pulverized coal boiler, including: a movable jacket 10, a portion of the movable jacket 10 being movably disposed in an installation channel of a sidewall of the boiler; the optical fiber 21 and the height Wen Jingtou 22 are arranged in the movable sleeve 10, and one end of the optical fiber 21 is connected with the high-temperature lens 22; the installation part 30, the installation part 30 is fixed at one side of the installation channel facing the outside of the boiler, the movable sleeve 10 passes through the installation part 30, and the installation part 30 is movably connected with the movable sleeve 10; the fire detection processor 41, the fire detection processor 41 is connected with the other end of the optical fiber 21, and the fire detection processor 41 is located at one side of the movable sleeve 10 away from the installation channel, and the fire detection processor 41 is used for processing the scanning result of the high-temperature lens 22.
By adopting the scheme, the movable sleeve 10 wraps the optical fiber 21 and the height Wen Jingtou 22, so as to play a role in protection. The mounting portion 30 is movably connected with the movable sleeve 10 such that the movable sleeve 10 can freely move axially in the mounting portion 30. The fire detection processor 41 processes information acquired by the high-temperature lens 22. The free movement of the movable sleeve 10 in the axial direction is realized, and the problem that the movable sleeve 10 is broken due to the axial movement because the two ends of the movable sleeve 10 are fixed in the prior art is avoided.
As shown in fig. 1, the mounting portion 30 includes a mounting structure 31 and a tubular section 32 connected to each other, the mounting structure 31 is disposed outside the mounting passage, the tubular section 32 is inserted into the mounting passage, and the movable sleeve 10 passes through the mounting structure 31 and the tubular section 32.
The mounting portion 30 plays a role in supporting and limiting the movable sleeve 10. The mounting structure 31 is fixed on the side wall of the boiler outside the mounting channel, the tubular section 32 is inserted into the mounting channel, the mounting structure 31 is more stably fixed on the side wall of the boiler, and the tubular section 32 plays a guiding role for the movable sleeve 10.
As shown in fig. 1, the mounting structure 31 includes a rotating ring 311, a connecting pipe 312 and an elastic component 313, one end of the connecting pipe 312 is fixedly connected with the tubular section 32, the rotating ring 311 is in threaded connection with the other end of the connecting pipe 312, the elastic component 313 is positioned in the connecting pipe 312, an annular step 3121 is arranged in one end of the connecting pipe 312, which is close to the tubular section 32, the annular step 3121 limits one end of the elastic component 313 in the axial direction, and the rotating ring 311 is abutted with the other end of the elastic component 313; wherein, the rotating ring 311 moves close to or far from the elastic component 313 when rotating, so that the elastic component 313 contracts or expands in the radial direction, the movable sleeve 10 passes through the elastic component 313, and the elastic component 313 clamps or unclamps the movable sleeve 10 through the radial contraction or expansion.
One end of the connection tube 312 is fixedly connected with the tubular section 32, and the rotating ring 311 is in threaded connection with the other end of the connection tube 312, so that the rotating ring 311, the connection tube 312 and the tubular section 32 are fixedly connected together. The annular step 3121 and the rotating ring 311 limit the elastic assembly 313 within the connection tube 312. When the rotating ring 311 approaches to the elastic member 313, the elastic member 313 is compressed, the inner diameter of the elastic member 313 is contracted, and the movable sleeve 10 is clamped. When the rotating ring 311 is far away from the elastic component 313, the elastic component 313 is loosened, the inner diameter of the elastic component 313 is expanded, the clamping of the movable sleeve 10 is released, and the movable sleeve 10 can axially move. In one embodiment, one end of the connecting tube 312 and the tubular section 32 are secured by welding.
As shown in fig. 2, the elastic assembly 313 includes a first stop collar 3131, an elastic segment 3132 and a second stop collar 3133, where the first stop collar 3131 abuts against the annular step 3121, the second stop collar 3133 abuts against the rotating ring 311, the elastic segment 3132 is made of an elastic material, the inner diameter of the elastic segment 3132 is smaller than the inner diameters of the first stop collar 3131 and the second stop collar 3133, and the elastic segment 3132 is used for clamping or unclamping the movable sleeve 10.
The elastic segment 3132 is located between the first limiting ring 3131 and the second limiting ring 3133, when the rotating ring 311 approaches to the elastic component 313, the first limiting ring 3131 and the second limiting ring 3133 are pressed against the elastic segment 3132 after receiving the force from the rotating ring 311 and the connecting pipe 312, so that the inner diameter of the elastic segment 3132 is contracted, and the movable sleeve 10 is pressed.
As shown in fig. 2, the elastic segment 3132 includes a first elastic ring, a middle elastic ring and a second elastic ring that are abutted in sequence, wherein the first elastic ring has a first conical surface, the first conical surface is abutted with the first stop ring 3131, and the second elastic ring has a second conical surface, and the second conical surface is abutted with the second stop ring 3133; wherein, on the outer peripheral surface of the elastic segment 3132, a distance between the first conical surface and the second conical surface is L1, and on the inner peripheral surface of the elastic segment 3132, a distance between the first conical surface and the second conical surface is L2, L1 < L2.
The first elastic ring is provided with a first conical surface, the second elastic ring is provided with a second conical surface, the cross section of the middle elastic ring is square, the first elastic ring is extruded by the first limiting ring 3131, the second elastic ring is extruded by the second limiting ring 3133, and therefore the first elastic ring, the middle elastic ring and the second elastic ring are compressed, and the inner diameter is reduced.
As shown in fig. 1, the movable sleeve 10 includes a first pipe section 11, a second pipe section 12 and a third pipe section 13 which are sequentially connected, wherein the first pipe section 11 is a hard pipe and is movably connected with the installation portion 30, the second pipe section 12 is a hose, the third pipe section 13 is a hard pipe, and the third pipe section 13 is positioned at one end, close to the inside of the boiler, in the installation channel.
The first pipe section 11 of the movable sleeve 10 is movably connected with the mounting part 30, and when the movable sleeve 10 moves axially, the first pipe section 11 can move axially in the mounting part 30 freely, so that the second pipe section 12 of the movable sleeve 10 is prevented from being broken. The third pipe section 13 is located at one end of the installation channel close to the interior of the boiler, and protects the high-temperature lens.
As shown in fig. 1, the first pipe section 11 and the second pipe section 12 are welded, and the second pipe section 12 and the third pipe section 13 are welded; the first pipe section 11 and the third pipe section 13 are steel pipes made of Q235 steel, and the second pipe section 12 is a double-layer woven mesh metal hose made of 304 SS.
The first pipe section 11 and the second pipe section 12 are welded, and the second pipe section 12 and the third pipe section 13 are welded, so that the first pipe section 11, the second pipe section 12 and the third pipe section 13 are firmly connected. The first pipe section 11 and the third pipe section 13 adopt hard pipes, so that the first pipe section 11 and the third pipe section 13 are fixed more firmly, and the hard pipes are not easy to deform. The second pipe section 12 is a double-layer woven mesh metal hose made of 304SS material, so that the high temperature resistance of the second pipe section 12 is improved, and long-term use in a high temperature environment is ensured.
As shown in fig. 1, the endoscopic high temperature resistant fire detection probe suitable for the pulverized coal boiler further comprises a sleeve bracket 42, wherein the sleeve bracket 42 is arranged at one end, close to the inside of the boiler, in the installation channel, and one end of the movable sleeve 10 is fixedly connected with the sleeve bracket 42.
The sleeve holder 42 is fixed to one end of the movable sleeve 10 at one end of the installation passage near the inside of the boiler, so that the high temperature lens 22 in the movable sleeve 10 can detect flames in the boiler.
As shown in fig. 1, the endoscopic high temperature resistant fire detection probe suitable for the pulverized coal boiler further comprises a lens bracket 43, wherein the lens bracket 43 is used for fixing the high temperature lens 22 in the movable sleeve 10, the lens bracket 43 is in a circular ring shape, and a plurality of evenly distributed openings are formed in the edge of the lens bracket 43.
The lens bracket 43 fixes the high-temperature lens 22 at one end of the movable sleeve 10 close to the inside of the boiler, the opening at the edge of the lens bracket 43 can allow cooling air to pass through, the high-temperature lens 22 and the optical fiber 21 are cooled, and meanwhile, the opening also plays a role in weight reduction.
As shown in fig. 1, the endoscopic high temperature resistant fire detection probe suitable for the pulverized coal fired boiler further comprises an air inlet pipe 44, wherein the air inlet pipe 44 is connected with the first pipe section 11, and the air inlet pipe 44 is used for blowing cooling air into the movable sleeve 10 to cool the optical fiber 21 and the high temperature lens 22.
The air inlet pipe 44 sends cooling air into the movable sleeve 10 to cool the optical fiber 21 and the high-temperature lens 22, so that sintering damage of the optical fiber 21 and the high-temperature lens 22 caused by high temperature is avoided.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a be applicable to pulverized coal fired boiler and peep-type high temperature resistant fire and examine probe which characterized in that includes:
a movable jacket (10), a portion of the movable jacket (10) being movably disposed within an installation channel of a side wall of the boiler;
an optical fiber (21) and a high-temperature lens (22) are arranged in the movable sleeve (10), and one end of the optical fiber (21) is connected with the high-temperature lens (22);
the installation part (30), the installation part (30) is fixed on one side of the installation channel facing the outside of the boiler, the movable sleeve (10) passes through the installation part (30), and the installation part (30) is movably connected with the movable sleeve (10);
the fire detection processor (41), the fire detection processor (41) with the other end of optic fibre (21) is connected, just fire detection processor (41) are located movable sleeve (10) keep away from one side of installation passageway, fire detection processor (41) are used for handling the result of high temperature lens (22) scanning.
2. The endoscopic high temperature fire resistant inspection probe suitable for pulverized coal fired boiler according to claim 1, wherein the mounting portion (30) comprises a mounting structure (31) and a tubular section (32) which are connected with each other, the mounting structure (31) is arranged outside the mounting channel, the tubular section (32) is inserted into the mounting channel, and the movable sleeve (10) passes through the mounting structure (31) and the tubular section (32).
3. The endoscopic high temperature resistant fire detection probe suitable for pulverized coal fired boiler according to claim 2, wherein the mounting structure (31) comprises a rotating ring (311), a connecting pipe (312) and an elastic component (313), one end of the connecting pipe (312) is fixedly connected with the tubular section (32), the rotating ring (311) is in threaded connection with the other end of the connecting pipe (312), the elastic component (313) is positioned in the connecting pipe (312), an annular step (3121) is arranged inside one end of the connecting pipe (312) close to the tubular section (32), one end of the elastic component (313) is limited by the annular step (3121) in the axial direction, and the rotating ring (311) is abutted with the other end of the elastic component (313); the rotating ring (311) moves close to or far away from the elastic component (313) when rotating, so that the elastic component (313) contracts or expands in the radial direction, the movable sleeve (10) passes through the elastic component (313), and the elastic component (313) clamps or releases the movable sleeve (10) through radial contraction or expansion.
4. The endoscopic high temperature resistant fire detection probe applicable to pulverized coal fired boilers according to claim 3, wherein the elastic component (313) comprises a first limiting ring (3131), an elastic segment (3132) and a second limiting ring (3133) which are sequentially arranged, the first limiting ring (3131) is abutted with the annular step (3121), the second limiting ring (3133) is abutted with the rotating ring (311), the elastic segment (3132) is made of an elastic material, the inner diameter of the elastic segment (3132) is smaller than the inner diameter of the first limiting ring (3131) and the second limiting ring (3133), and the elastic segment (3132) is used for clamping or loosening the movable sleeve (10).
5. The endoscopic high temperature fire detection probe suitable for pulverized coal fired boiler according to claim 4, wherein the elastic section (3132) comprises a first elastic ring, a middle elastic ring and a second elastic ring which are abutted in sequence, wherein the first elastic ring is provided with a first conical surface, the first conical surface is abutted with the first limiting ring (3131), and the second elastic ring is provided with a second conical surface, and the second conical surface is abutted with the second limiting ring (3133); wherein a distance between the first tapered surface and the second tapered surface is L1 on an outer peripheral surface of the elastic segment (3132), and a distance between the first tapered surface and the second tapered surface is L2 on an inner peripheral surface of the elastic segment (3132), L1 < L2.
6. The endoscopic high temperature resistant fire detection probe suitable for pulverized coal fired boiler according to claim 1, wherein the movable sleeve (10) comprises a first pipe section (11), a second pipe section (12) and a third pipe section (13) which are sequentially connected, the first pipe section (11) is a hard pipe and is movably connected with the mounting part (30), the second pipe section (12) is a hose, the third pipe section (13) is a hard pipe, and the third pipe section (13) is positioned at one end, close to the inside of the boiler, in the mounting channel.
7. The endoscopic high temperature fire detection probe suitable for pulverized coal fired boiler according to claim 6, wherein the first tube section (11) and the second tube section (12) are welded, the second tube section (12) and the third tube section (13) are welded; the first pipe section (11) and the third pipe section (13) are steel pipes made of Q235 steel, and the second pipe section (12) is a double-layer woven mesh metal hose made of 304 SS.
8. The endoscopic high temperature fire resistant inspection probe suitable for the pulverized coal boiler according to claim 1, wherein the endoscopic high temperature fire resistant inspection probe suitable for the pulverized coal boiler further comprises a sleeve bracket (42), the sleeve bracket (42) is arranged at one end, close to the inside of the boiler, in the installation channel, and one end of the movable sleeve (10) is fixedly connected with the sleeve bracket (42).
9. The endoscopic high temperature fire resistant inspection probe applicable to the pulverized coal boiler according to claim 1, further comprising a lens bracket (43), wherein the lens bracket (43) is used for fixing the high temperature lens (22) in the movable sleeve (10), the lens bracket (43) is in a ring shape, and a plurality of evenly distributed openings are formed in the edge of the lens bracket (43).
10. The endoscopic high temperature fire detection probe suitable for the pulverized coal boiler according to claim 6, further comprising an air inlet pipe (44), wherein the air inlet pipe (44) is connected with the first pipe section (11), and the air inlet pipe (44) is used for blowing cooling air into the movable sleeve (10) to cool the optical fiber (21) and the high temperature lens (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721505.8U CN220379722U (en) | 2023-07-03 | 2023-07-03 | Endoscopic high-temperature-resistant fire detection probe suitable for pulverized coal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721505.8U CN220379722U (en) | 2023-07-03 | 2023-07-03 | Endoscopic high-temperature-resistant fire detection probe suitable for pulverized coal boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220379722U true CN220379722U (en) | 2024-01-23 |
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ID=89559669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321721505.8U Active CN220379722U (en) | 2023-07-03 | 2023-07-03 | Endoscopic high-temperature-resistant fire detection probe suitable for pulverized coal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220379722U (en) |
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2023
- 2023-07-03 CN CN202321721505.8U patent/CN220379722U/en active Active
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