Cooling protection and smoke prevention device of flame recognition camera for metallurgical furnace

Abstract

The utility model discloses a cooling protection and smoke dust prevention device of a flame identification camera for a metallurgical furnace, which comprises an outer cover and an inner cover, the inner cover is fixedly sleeved on the inner side of the outer cover, a cooling circulating water cavity is arranged in the outer cover, compressed air back-blowing pipelines are annularly and uniformly distributed in the outer cover, and the compressed air back-blowing pipelines are communicated with the inner side of the outer cover. Nitrogen blowback pipelines are annularly and evenly distributed in the inner cover, and an installation cavity used for installing a camera is further formed in the inner side of the inner cover. According to the utility model, the compressed air back-blowing pipeline and the nitrogen back-blowing pipeline are arranged, so that the scouring and corrosion effects of on-site flue gas and smoke dust on the camera are effectively reduced, the camera can be cooled and protected, the shooting effect of the camera is effectively improved, and the service life of the camera is effectively prolonged; and the centralized distribution emission of the flue gas in the furnace kiln is promoted.

Description

Technical Field

[0001] This utility model belongs to the field of monitoring equipment technology, specifically relating to a cooling protection and smoke and dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns. Background Technology

[0002] In the metallurgical industry, particularly in copper smelting, the control of the blowing endpoint in converters and anode furnaces is crucial for improving production efficiency, ensuring product quality, and reducing energy consumption and production costs. Traditional methods for determining the blowing endpoint rely primarily on the operator's experience and observation, achieved through manual judgment of flame color changes within the furnace. However, this method is inherently subjective, depending not only on the operator's personal experience and work attitude but also limited by the wide range of material temperature variations and numerous influencing factors. Consequently, it lacks sufficient precision and intelligence in controlling the blowing endpoint in converters and anode furnaces.

[0003] Currently, flame recognition cameras are typically installed at a certain distance above the furnace opening of converters or anode furnaces, directly capturing the flame. Often, holes need to be drilled in the furnace shell for installation. However, in practical applications, the harsh working conditions of metallurgical furnaces pose significant challenges to the installation and use of flame recognition cameras. During the blowing process in converters and anode furnaces, temperatures inside can reach over 1200℃, and the surrounding temperature often exceeds 100℃. Simultaneously, a large amount of flue gas and dust escapes from the furnace, and these high-temperature and corrosive substances severely erode and corrode the camera device, affecting not only its image quality but also significantly shortening its lifespan. While existing camera devices that can be mounted inside high-temperature furnaces exist, most commercially available heat-resistant cameras do not offer ideal high-temperature resistance and wear resistance. They cannot operate stably and reliably for extended periods in environments with high-temperature smelting furnaces and intense dust particle impact, leading to damage and dissolution of internal camera components, thus affecting image quality and lifespan.

[0004] To address the above problems, this utility model proposes a cooling protection and smoke and dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns. Utility Model Content

[0005] Based on the above background, this utility model proposes a cooling protection and smoke and dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns. It aims to solve the problem that cameras are easily damaged in high temperature and smoke and dust environments in the prior art, improve the accuracy of flame recognition and the service life of the camera, and provide strong support for the intelligent control of metallurgical furnaces and kilns.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] A cooling protection and smoke and dust prevention device for a flame recognition camera used in metallurgical furnaces includes an outer cover and an inner cover. The inner cover is fixedly sleeved inside the outer cover. A cooling circulating water cavity is opened inside the outer cover. Compressed air backflush pipes are evenly distributed in a ring inside the outer cover. Nitrogen backflush pipes are evenly distributed in a ring inside the inner cover. An installation cavity for mounting the camera is also provided on the inner side of the inner cover.

[0008] Preferably, four compressed air backflush pipes are provided, and the outlet of the compressed air backflush pipes is inclined upward along the shooting direction of the camera.

[0009] Preferably, four nitrogen backflush pipes are provided, and the outlet of the nitrogen backflush pipes is inclined towards the inside of the inner cover.

[0010] Preferably, the cooling water circulation cavity is an annular cavity distributed along the inside of the outer casing.

[0011] Preferably, the inner cover has a stepped groove at its end, and a protective cover is fixedly connected to the stepped groove by countersunk screws.

[0012] Preferably, the upward tilt angle of the compressed air backflush pipe outlet is 10-20 degrees. o They are distributed at an angle upwards along the direction of the camera's shooting.

[0013] Preferably, the compressed air backflush pipe is made of stainless steel with a diameter of 18-20mm and is connected to the outer cover.

[0014] Preferably, the nitrogen backflushing pipe is made of 16-22mm stainless steel and is connected to the inner cover.

[0015] Preferably, the protective cover is made of a transparent, high-temperature resistant material.

[0016] Preferably, a water inlet pipe is provided on the outer side of the outer cover near the outlet of the compressed air backflush pipe, and a water outlet pipe is provided on the outer side of the outer cover away from the outlet of the compressed air backflush pipe. Both the water inlet pipe and the water outlet pipe are connected to the cooling circulating water cavity.

[0017] This utility model has the following beneficial effects:

[0018] (1) By setting up compressed air backflush pipes and nitrogen backflush pipes, this utility model not only effectively reduces the scouring and corrosion of the camera by the flue gas and dust on site, but also protects the camera by cooling and reducing its temperature, effectively improving the shooting effect and service life of the camera, and promoting the centralized distribution and emission of flue gas in the furnace.

[0019] (2) By setting up a cooling water circulation cavity, this utility model further improves the cooling and temperature protection of the camera.

[0020] (3) By setting a protective cover, this utility model can block the smoke and dust on site, and under the action of nitrogen backflush pipe, the smoke and dust attached to the surface of the protective cover will be blown off and blown out from the inner cover, without affecting the shooting effect; avoid the direct impact of smoke and dust on the camera, avoid damage to the internal components of the camera, and increase the service life of the camera. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the bottom structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of this utility model;

[0024] Figure 4 This is a cross-sectional view of the outer casing of this utility model;

[0025] Figure 5 This is a cross-sectional view of the inner cover of this utility model;

[0026] Figure 6 This is a schematic diagram of the protective cover installation structure of this utility model.

[0027] In the diagram, 1-outer cover, 2-inner cover, 3-cooling circulating water cavity, 4-compressed air backflush pipe, 5-nitrogen backflush pipe, 6-stepped groove, 7-countersunk screw, 8-protective cover, 9-inlet pipe, 10-outlet pipe, 11-installation cavity. Detailed Implementation

[0028] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0029] Example 1

[0030] A cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces, as shown in the attached document. Figure 1-5As shown, the system includes an outer cover 1 and an inner cover 2. The inner cover 2 is fixedly fitted inside the outer cover 1, and the inner cover 2 also has a mounting cavity 11 for mounting the camera. The outer cover 1 has a cooling water circulation cavity 3 inside, and four compressed air backflush pipes 4 are evenly distributed in a ring inside the outer cover 1. These compressed air backflush pipes 4 are made of stainless steel pipes with a diameter of 18-20mm and are connected to the outer cover 1. The outlet direction of the compressed air backflush pipes 4 is inclined upwards along the camera's shooting direction. In this embodiment, the inclination angle is 10-20 degrees. o The nitrogen backflush pipes 5 are distributed obliquely upwards along the camera's shooting direction. Four nitrogen backflush pipes 5, made of 16-22mm stainless steel, are evenly distributed in a ring inside the inner cover 2. The outlets of the nitrogen backflush pipes 5 are obliquely positioned towards the inside of the inner cover 2. These pipes blow the flue gas and dust from the camera towards the camera's shooting direction. Upon reaching the outlet of the compressed air backflush pipe 4, the gas is blown upwards by the compressed air backflush pipe 4. The outlets of the compressed air backflush pipe 4 and the nitrogen backflush pipe 5, with their certain angles, not only effectively improve the backflush effect on the flue gas and dust but also promote the concentrated distribution and emission of flue gas in the furnace at the eyepiece. While providing cooling and protection for the camera, these pipes also effectively improve the camera's shooting effect and service life.

[0031] It should be noted that the number of compressed air backflush pipes 4 and nitrogen backflush pipes 5 is not limited to four; the specific number is determined according to the actual production situation. During the backflush process, the nitrogen backflush pipes 5 can also blow away the water vapor attached to the camera, further improving the camera's shooting effect.

[0032] Furthermore, to achieve better circulating water cooling effect, the cooling circulating water cavity 3 is an annular cavity distributed along the inside of the outer cover 1. An inlet pipe 9 is provided on the outer side of the outer cover 1 near the outlet of the compressed air backflush pipe 4, and an outlet pipe 10 is provided on the outer side of the outer cover 1 away from the outlet of the compressed air backflush pipe 4. Both the inlet pipe 9 and the outlet pipe 10 are connected to the cooling circulating water cavity 3. The cooling circulating water enters from the inlet pipe 9, enters the annular cavity to absorb the heat generated around the outer cover 1, and flows out from the outlet pipe 10 through the annular cavity. The inlet pipe 9 and the outlet pipe 10 are connected to the external pipe to achieve circulating cooling and achieve the cooling and protection function for the camera.

[0033] Example 2

[0034] As a further improvement to the above embodiments, the following technical solutions are provided: Figure 6As shown, the difference from the above embodiment is that the inner cover 2 has a stepped groove 6 at its end, and a protective cover 8 is fixedly connected to the stepped groove 6 by countersunk screws 7. The protective cover 8 is made of transparent high-temperature resistant material. The protective cover 8 can block the smoke and dust on site, and under the action of the nitrogen backflushing pipe 5, the smoke and dust attached to the surface of the protective cover 8 will be blown off and blown out of the inner cover, without affecting the shooting effect; avoiding the direct impact of smoke and dust on the camera, avoiding damage to the internal components of the camera, and increasing the service life of the camera.

Claims

1. A cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns, characterized in that, It includes an outer cover (1) and an inner cover (2). The inner cover (2) is fixedly fitted inside the outer cover (1). The outer cover (1) has a cooling circulating water cavity (3) inside. The outer cover (1) has compressed air backflush pipes (4) evenly distributed in a ring inside. The inner cover (2) has nitrogen backflush pipes (5) evenly distributed in a ring inside. The inner cover (2) also has an installation cavity (11) for installing a camera.

2. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The compressed air backflush pipe (4) is provided with four pipes, and the outlet of the compressed air backflush pipe (4) is inclined upward along the shooting direction of the camera.

3. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The nitrogen backflush pipe (5) is provided with four pipes, and the outlet of the nitrogen backflush pipe (5) is inclined to the inside of the inner cover (2).

4. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The cooling water circulation cavity (3) is an annular cavity distributed along the inside of the outer cover (1).

5. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The inner cover (2) has a stepped groove (6) at its end, and a protective cover (8) is fixedly connected to the stepped groove (6) by countersunk screws (7).

6. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 2, characterized in that, The outlet of the compressed air backflush pipe (4) is inclined upward at an angle of 10-20 degrees. o They are distributed at an angle upwards along the direction of the camera's shooting.

7. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The compressed air backflush pipe (4) is made of stainless steel with a diameter of 18-20mm and is connected to the outer cover (1).

8. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, The nitrogen backflush pipe (5) is made of 16-22mm stainless steel and is connected to the inner cover (2).

9. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 5, characterized in that, The protective cover (8) is made of a transparent, high-temperature resistant material.

10. The cooling protection and smoke / dust prevention device for a flame recognition camera used in metallurgical furnaces and kilns according to claim 1, characterized in that, An inlet pipe (9) is provided on the outer side of the outer cover (1) near the outlet of the compressed air backflush pipe (4), and an outlet pipe (10) is provided on the outer side of the outer cover (1) away from the outlet of the compressed air backflush pipe (4). Both the inlet pipe (9) and the outlet pipe (10) are connected to the cooling circulating water cavity (3).

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