CN216307852U - Peep-out type mounting structure of flame detection probe of thermal power plant - Google Patents
Peep-out type mounting structure of flame detection probe of thermal power plant Download PDFInfo
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- CN216307852U CN216307852U CN202122180862.5U CN202122180862U CN216307852U CN 216307852 U CN216307852 U CN 216307852U CN 202122180862 U CN202122180862 U CN 202122180862U CN 216307852 U CN216307852 U CN 216307852U
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Abstract
The utility model discloses an external peeping type mounting structure of a flame detection probe of a thermal power plant, and belongs to the technical field of boiler monitoring of the thermal power plant. The structure comprises an installation pipe and a tee joint, wherein the installation pipe is arranged on the furnace wall of a hearth and penetrates through the furnace wall, one end of the tee joint is connected with the installation pipe, one end of the tee joint is connected with a fire detection component through an angle adjusting component, the other end of the tee joint is connected with a cold air hose, the fire detection component comprises a fire detection component and a light gathering element, and the light gathering element is arranged at one end, close to the angle adjusting component, of the fire detection component. The infrared fire detection probe adopts an external peeping type mounting structure, so that elements such as an inner conduit, an outer conduit and an optical fiber are omitted, the structure is simple, and when the internal peeping type mounting structure is modified into the external peeping type mounting structure, the modification cost can be reduced. The whole cross section of the installation pipe is a cooling air channel, so that the channel cannot be blocked due to coking, and the cooling effect is ensured.
Description
Technical Field
The utility model relates to an external peeping type mounting structure of a flame detection probe of a thermal power plant, and belongs to the technical field of boiler monitoring of the thermal power plant.
Background
In the combustion process of large-scale thermal power plant's boiler, to judge the burning condition of furnace, realize the automatic management and the control of combustion process, flame test probe is indispensable. At present, infrared fire detection probes are generally adopted for flame monitoring and fire extinguishing protection at home and abroad, and the probes are suitable for monitoring flames of combustion of fuels such as coal, oil, natural gas and the like, and can visually and accurately judge the flame working conditions of boiler combustion.
Chinese patent publication No. CN112594733A discloses a flame detector with an improved cooling device, in which an inner conduit and an outer conduit protect optical fibers, and a cooling duct and a lens are cooled by cooling air, so as to provide a good detection environment for the flame detector.
However, the flame detector adopts an endoscopic installation structure, and the optical fiber and the cooling air share one channel, so that in the actual use process, one end of the outer guide pipe, which extends into the hearth, is prone to coking, the cooling air channel is blocked, the cooling air cannot normally circulate, the cooling effect cannot be achieved, and the optical fiber is further burnt; in addition, the length of the outer guide pipe extending into the hearth is close to 3 meters, the view angle for cleaning coking is limited, and the cleaning difficulty is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an external peeping type mounting structure of a flame detection probe of a thermal power plant.
The utility model is realized by the following technical scheme:
the utility model provides a peep-type mounting structure of thermal power plant's flame detection probe, includes installation pipe and tee bend, the installation pipe is established on furnace's oven to run through the oven, tee bend one end and installation union coupling, one end are connected with the fire through angle adjusting part and examine the part, and the other end is connected with the cold wind hose, the fire is examined the part and is examined subassembly and spotlight element including the fire, spotlight element establishes the one end that is close to angle adjusting part on the fire is examined the subassembly.
The mounting pipe is connected with the furnace wall in a welding mode.
The tee joint is a T-shaped tee joint.
The angle adjusting component is a rubber tube.
The length of the rubber tube is 50-100 mm.
The light-gathering element is a light-gathering lens.
The fire detection assembly is an infrared fire detection probe.
And the cold air hose is provided with a ball valve.
And one end of the cold air hose, which is far away from the tee joint, is connected with the cooling fan through a cold air pipeline.
The inner diameters of the installation pipe, the tee joint and the angle adjusting assembly are not less than 28 mm.
The utility model has the beneficial effects that:
1. the infrared fire detection probe adopts an external peeping type mounting structure, so that elements such as an inner conduit, an outer conduit and an optical fiber are omitted, the structure is simple, and when the internal peeping type mounting structure is modified into the external peeping type mounting structure, the modification cost can be reduced.
2. The whole cross section of the installation pipe is a cooling air channel, so that the channel cannot be blocked due to coking, and the cooling effect is ensured.
3. The inner diameter of the related pipeline is enlarged to be more than 28mm so as to improve the detection visual angle of the probe, and a condensing lens is additionally arranged at the front end of the probe so as to avoid the fluctuation of a fire detection signal caused by the swinging of flame.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a furnace wall 1, a furnace wall 2, an installation pipe 3, a tee joint 4, an angle adjusting component 5, a light condensing element 6, a fire detecting component 7, a cold air hose 7, a ball valve 8 and a cold air pipeline 9.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, the peep-type mounting structure of the flame detection probe of the thermal power plant comprises a mounting pipe 2 and a tee joint 3, wherein the mounting pipe 2 is arranged on a furnace wall 1 of a hearth and penetrates through the furnace wall 1, one end of the tee joint 3 is connected with the mounting pipe 2, one end of the tee joint is connected with a fire detection component through an angle adjusting component 4, the other end of the tee joint is connected with a cold air hose 7, the fire detection component comprises a fire detection component 6 and a light condensing element 5, and the light condensing element 5 is mounted at one end, close to the angle adjusting component 4, of the fire detection component 6. In use, the angle adjustment assembly 4 is mounted coaxially with the mounting tube 2.
The mounting tube 2 is welded with the furnace wall 1.
The tee joint 3 is a T-shaped tee joint.
The angle adjusting component 4 is a rubber tube. The pitching angle of the infrared fire detection probe can be conveniently adjusted.
The length of the rubber tube is 50-100 mm.
The light-gathering element 5 is a light-gathering lens.
The fire detection assembly 6 is an infrared fire detection probe. A95 IR series infrared fire detector probe manufactured by FORNEY of the United states was used.
And a ball valve 8 is arranged on the cold air hose 7.
And one end of the cold air hose 7, which is far away from the tee joint 3, is connected with a cooling fan through a cold air pipeline 9. Cooling blower includes motor, fan body, entry filter screen, export air door baffle and electrical control system etc. for prior art, no longer gives details here.
The inner diameters of the installation pipe 2, the tee joint 3 and the angle adjusting component 4 are not less than 28 mm. The infrared fire detection probe is ensured to have a larger detection visual angle.
In the existing endoscopic mounting structure of the fire detection probe, the length of an outer conduit extending into a hearth is long, the detection visual angle of the fire detection probe is limited, and when low-load flame is small or combustion is unstable, the flame entering the visual angle of the probe swings unstably, so that the detected flame signal can fluctuate. In order to solve the problems, the inner diameter of a related pipeline is enlarged to be more than 28mm so as to improve the detection visual angle of the probe, and a condensing lens is additionally arranged at the front end of the probe so as to avoid the fluctuation of a fire detection signal caused by the swinging of flame. After installing condensing lens additional, in order to avoid the peeping of fire detection signal, the setting of fire detection probe parameter is as follows:
when the infrared fire detection probe is used, a flame signal is detected through the infrared fire detection probe, cooling air is introduced into the installation pipe 2, the tee joint 3 and the rubber pipe through the cooling hose 7, the installation pipe 2, the tee joint 3, the rubber pipe, the condensing lens, the infrared fire detection probe and the like are cooled, flame is prevented from entering the installation pipe 2, and the normal work of the infrared fire detection probe is ensured.
The peeping type mounting structure of the flame detection probe of the thermal power plant provided by the utility model has the following beneficial effects:
1. the infrared fire detection probe adopts an external peeping type mounting structure, so that elements such as an inner conduit, an outer conduit and an optical fiber are omitted, the structure is simple, and when the internal peeping type mounting structure is modified into the external peeping type mounting structure, the modification cost can be reduced.
2. The whole cross section of the installation pipe 2 is a cooling air channel, so that the channel can not be blocked due to coking, and the cooling effect is ensured.
3. The inner diameter of the related pipeline is enlarged to be more than 28mm so as to improve the detection visual angle of the probe, and a condensing lens is additionally arranged at the front end of the probe so as to avoid the fluctuation of a fire detection signal caused by the swinging of flame.
Claims (10)
1. The utility model provides a flame detection of thermal power plant probe's peep formula mounting structure which characterized in that: including installation pipe (2) and tee bend (3), install pipe (2) and establish on furnace's oven (1) to run through oven (1), the one end and the installation pipe (2) of tee bend (3) are connected, and one end is connected with the fire through angle adjusting part (4) and examines the part, and the other end is connected with cold wind hose (7), the fire is examined the part and is examined subassembly (6) and spotlight element (5) including the fire, spotlight element (5) are established and are examined the one end that is close to angle adjusting part (4) on subassembly (6) at the fire.
2. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the mounting pipe (2) is connected with the furnace wall (1) in a welding manner.
3. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the tee joint (3) is a T-shaped tee joint.
4. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the angle adjusting component (4) is a rubber tube.
5. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 4, characterized in that: the length of the rubber tube is 50-100 mm.
6. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the light-gathering element (5) is a light-gathering lens.
7. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the fire detection assembly (6) is an infrared fire detection probe.
8. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: and a ball valve (8) is arranged on the cold air hose (7).
9. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: and one end of the cold air hose (7) far away from the tee joint (3) is connected with a cooling fan through a cold air pipeline (9).
10. The peep-type mounting structure for a flame detection probe of a thermal power plant according to claim 1, characterized in that: the inner diameters of the installation pipe (2), the tee joint (3) and the angle adjusting component (4) are not less than 28 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180862.5U CN216307852U (en) | 2021-09-09 | 2021-09-09 | Peep-out type mounting structure of flame detection probe of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180862.5U CN216307852U (en) | 2021-09-09 | 2021-09-09 | Peep-out type mounting structure of flame detection probe of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216307852U true CN216307852U (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122180862.5U Active CN216307852U (en) | 2021-09-09 | 2021-09-09 | Peep-out type mounting structure of flame detection probe of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216307852U (en) |
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2021
- 2021-09-09 CN CN202122180862.5U patent/CN216307852U/en active Active
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