High-definition maintenance-free hearth flame monitoring device

Abstract

The utility model discloses a high-definition maintenance-free hearth flame monitoring device which comprises an air cylinder. The piston is installed in the air cylinder in a sliding fit mode, the interior of the air cylinder is divided into two air chambers, and a through hole is formed in the piston; the flange assembly comprises a stretching-in flange and a withdrawing flange, and the stretching-in flange and the withdrawing flange are provided with an air inlet and an air outlet which are communicated with the two air chambers respectively and are externally connected with an air source; the protective cover is fixed on the rear side of the cylinder through a connecting pipe; the camera assembly is arranged in the protective cover and can penetrate through the flange assemblies at the two ends of the air cylinder and penetrate through the embedded part to search the situation in the pre-welded part. By adopting the measures of the high-temperature-resistant lens, the lens protection rod, the double-layer cylinder structure protection cover and the like, the high-temperature-resistant performance of equipment is improved, the maintenance cost is reduced, the structure is simplified, the high-temperature-resistant performance of the flame monitoring device is improved, and the damage risk of the equipment in a high-temperature environment is reduced; the real-time performance and the accuracy of flame monitoring are improved, and the combustion efficiency of a hearth can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace flame monitoring, in particular to a high-definition maintenance-free furnace flame monitoring device. Background Art

[0002] Traditional furnace flame monitoring technology typically uses cameras in conjunction with cooling systems to achieve real-time flame monitoring. However, this approach has certain drawbacks. For example, cameras are susceptible to environmental factors such as high temperatures and dust, leading to high maintenance costs and short service life. Furthermore, traditional flame monitoring devices are complex in structure, making installation, commissioning, and maintenance cumbersome, limiting their effectiveness in practical applications.

[0003] To this end, the utility model provides a high-definition maintenance-free furnace flame monitoring device to solve the above technical problems. Utility Model Content

[0004] Purpose of the utility model: to solve the problems existing in the prior art in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A high-definition maintenance-free furnace flame monitoring device, comprising:

[0007] cylinder;

[0008] A piston is slidably mounted in the cylinder to divide the interior of the cylinder into two air chambers, and a through hole is provided on the piston;

[0009] A flange assembly, the flange assembly comprising an entry flange and an exit flange, the entry flange and the exit flange being respectively provided with an air inlet and an air outlet leading to two air chambers and connected to an external air source;

[0010] A protective cover, which is fixed to the rear side of the cylinder through a connecting pipe;

[0011] A camera assembly is arranged in the protective cover. The camera assembly can pass through the flange assemblies at both ends of the cylinder and through the embedded parts to illuminate the situation inside the pre-welded parts.

[0012] Furthermore, the camera assembly includes:

[0013] a camera, wherein the camera is disposed in a protective cover;

[0014] A slender lens, the front end of which passes through the flange, the through hole on the piston, the flange and the outside of the cylinder in sequence, and the rear end of the slender lens passes through the connecting pipe and extends to the protective cover and is fixedly connected to the camera.

[0015] Furthermore, a lens protection rod is provided on the outside of the elongated lens, and the lens protection rod moves in and out synchronously with the elongated lens.

[0016] Furthermore, the elongated lens is a high temperature resistant lens.

[0017] Furthermore, the protective cover adopts a double-layer tube structure, and an air inlet and an air outlet are provided on the protective cover to provide cooling air circulation in the protective cover.

[0018] Furthermore, the cylinder is a telescopically adjustable cylinder.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] By adopting measures such as high-temperature resistant lenses, lens protection rods, and double-layer cylindrical structure protective covers, the high-temperature resistance of the equipment has been improved, maintenance costs have been reduced, and the structure has been simplified, bringing the following benefits: the high-temperature resistance of the flame monitoring device has been improved, reducing the risk of damage to the equipment in high-temperature environments; the maintenance cost of the equipment has been reduced, and the service life of the equipment has been increased; the structure has been simplified, reducing the difficulty of installation, commissioning, and maintenance; the real-time and accuracy of flame monitoring has been improved, which helps to improve the combustion efficiency of the furnace.

[0021] The device allows the camera lens to be inserted directly into the furnace to observe the movement of workpieces, material melting, and flame shape. It is widely used on high-temperature industrial equipment such as heating furnaces, steam boilers, glass melting tanks, and sintering furnaces in the metallurgical, electric power, building materials, light industry, chemical, and machinery industries. It is particularly useful in applications where water cooling is unsuitable (e.g., in northern China, where water resources are scarce and water pipes are prone to bursting in winter). This ensures production safety and improves product quality, while also improving the working environment, reducing labor intensity, and facilitating centralized commissioning and production process automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the present utility model.

[0023] In the figure: 1. Cylinder; 2. Piston; 3. Entry flange; 4. Exit flange; 5. Protective cover; 6. Camera; 7. Lens; 8. Lens protection rod; 9. Embedded parts; 10. Pre-welded parts; 11. Air inlet; 12. Air outlet. DETAILED DESCRIPTION

[0024] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0025] To this end, the applicant designed Figure 1 The high-definition maintenance-free furnace flame monitoring device shown includes: a cylinder 1; a piston 2, which is slidably mounted in the cylinder 1 to divide the interior of the cylinder 1 into two air chambers, and a through hole is provided on the piston 2; a flange assembly, the flange assembly includes an entry flange 3 and an exit flange 4, and the entry flange 3 and the exit flange 4 are respectively provided with an air inlet 11 and an air outlet 12 leading to the two air chambers and are connected to an external air source; a protective cover 5, the protective cover 5 is fixed to the rear side of the cylinder 1 through a connecting pipe; a camera 6 assembly, the camera 6 assembly is arranged in the protective cover 5, and the camera 6 assembly can pass through the flange assemblies at both ends of the cylinder 1 and pass through the embedded part 9 to illuminate the situation inside the pre-welded part 10. By adopting a combination of cylinder 1 and piston 2, the interior of cylinder 1 is divided into two air chambers, and a through hole is provided on piston 2 to realize the entry and exit of gas source. Not only is the structure simple, but it also effectively improves the utilization rate of gas source, reduces energy consumption, and achieves the purpose of energy conservation and emission reduction; an air inlet 11 and an air outlet 12 leading to the two air chambers are respectively provided, and an external gas source is connected, so that the gas source can be controlled more accurately, ensuring the stability of flame monitoring and avoiding the problem of poor monitoring effect caused by unstable gas source; the protective cover 5 is fixed to the rear side of the cylinder 1 through a connecting pipe, and a camera 6 assembly is provided inside, which can pass through the flange assemblies at both ends of the cylinder 1 and through the embedded parts 9 to illuminate the situation inside the pre-welded parts 10, greatly simplifying the installation process, improving the flexibility and adaptability of the monitoring device, and enabling it to be widely used in various furnace flame monitoring scenarios.

[0026] The high-definition maintenance-free furnace flame monitoring device of this embodiment, the camera 6 component includes: a camera, which is arranged in the protective cover 5; a slender lens 7, the front end of the slender lens 7 passes through the flange 3, the through hole on the piston 2, the flange and the outside of the cylinder 1 in sequence, and the rear end of the slender lens 7 passes through the connecting pipe and extends to the protective cover 5 and is fixedly connected to the camera. This structure makes the monitoring device have higher clarity, can provide more accurate flame images, and helps to improve the accuracy of furnace flame control.

[0027] The high-definition maintenance-free furnace flame monitoring device of this embodiment is further optional. A lens protection rod 8 is provided on the outside of the slender lens 7. The lens protection rod 8 moves in and out synchronously with the slender lens 7, effectively protecting the lens 7, avoiding damage to the lens 7 due to environmental factors such as high temperature, and extending the service life of the monitoring device.

[0028] The high-definition maintenance-free furnace flame monitoring device of this embodiment can further optionally use a high-temperature resistant lens 7 as the slender lens 7, which can work normally in a high-temperature environment and ensure the continuity and stability of flame monitoring.

[0029] In the high-definition maintenance-free furnace flame monitoring device of this embodiment, the protective cover 5 adopts a double-layer cylinder structure, and an air inlet 11 and an air outlet 12 are provided on the protective cover 5 to provide cooling air circulation inside the protective cover 5. The double-layer cylinder structure isolates the ambient temperature while taking away the heat generated by the camera 6 during operation, and then provides the used cooling air to cool the lens 7, thereby reducing the use of compressed air in a single system.

[0030] In the high-definition maintenance-free furnace flame monitoring device of this embodiment, the cylinder 1 adopts a telescopically adjustable cylinder 1, so that the monitoring device can adjust its position according to actual needs, further improving the flexibility and accuracy of monitoring.

[0031] Working principle: The equipment has been assembled into one piece when it leaves the factory. The camera 6 component is integrated into the cylinder 1. The reciprocating motion of the piston 2 is used to realize the forward and backward movement of the camera probe in the cylinder 1. The camera 6 component is aimed at the embedded part 9 to detect the situation inside the pre-welded part 10. Cooling air circulation is provided inside the protective cover 5. The double-layer cylinder structure isolates the ambient temperature while taking away the heat generated by the camera 6 during operation. The used cooling air is then provided to the lens 7 for cooling, thereby reducing the use of compressed air in a single system.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A high-definition maintenance-free furnace flame monitoring device, characterized in that: include: cylinder; A piston is slidably mounted in the cylinder to divide the interior of the cylinder into two air chambers, and a through hole is provided on the piston; A flange assembly, the flange assembly comprising an entry flange and an exit flange, the entry flange and the exit flange being respectively provided with an air inlet and an air outlet leading to two air chambers and connected to an external air source; A protective cover, which is fixed to the rear side of the cylinder through a connecting pipe; A camera assembly is arranged in the protective cover. The camera assembly can pass through the flange assemblies at both ends of the cylinder and through the embedded parts to illuminate the situation inside the pre-welded parts.

2. A high-definition maintenance-free furnace flame monitoring device according to claim 1, characterized in that: The camera assembly includes: a camera, wherein the camera is disposed in a protective cover; A slender lens, the front end of which passes through the flange, the through hole on the piston, the flange and the outside of the cylinder in sequence, and the rear end of the slender lens passes through the connecting pipe and extends to the protective cover and is fixedly connected to the camera.

3. A high-definition maintenance-free furnace flame monitoring device according to claim 2, characterized in that: A lens protection rod is provided on the outside of the elongated lens, and the lens protection rod moves in and out synchronously with the elongated lens.

4. A high-definition maintenance-free furnace flame monitoring device according to claim 2, characterized in that: The elongated lens is a high temperature resistant lens.

5. The high-definition maintenance-free furnace flame monitoring device according to claim 1 is characterized in that: The protective cover adopts a double-layer cylinder structure, and an air inlet and an air outlet are provided on the protective cover to provide cooling air circulation in the protective cover.

6. The high-definition maintenance-free furnace flame monitoring device according to claim 1 is characterized in that: The cylinder is a telescopically adjustable cylinder.

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