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Design and manufacturing of high-temperature industrial television
Summary: Everything has its value. In our daily lives, there are many indispensable things and products. Similarly, in the industrial field, many mechanical devices play their roles in different areas, and high-temperature industrial television is no exception. Today, let's talk about the design and manufacturing of high-temperature industrial television.
Everything has its value. In our daily lives, there are many indispensable things and products. Similarly, in the industrial field, many mechanical devices play their roles in different areas. High-temperature industrial electric vision is no exception. Today, let's talk about the design and technology of high-temperature industrial television.
To reduce kiln heat dissipation and save energy, the size of the furnace wall openings for high-temperature industrial television should be minimized. During normal operation of metallurgical cement kilns, the internal temperature reaches approximately 1300℃. To ensure that the camera or lens can be inserted into the furnace for observation, cooling is necessary. High-temperature industrial television typically uses two common cooling methods: forced air cooling and water cooling. Air cooling has similar cooling effects to water cooling, but it is more convenient to use and maintain, is not subject to geographical limitations, and can suppress kiln flames and block dust. Water cooling has high water source requirements and high maintenance (e.g., using hard water can lead to scaling over time, affecting the cooling effect), and is subject to geographical limitations (e.g., water scarcity in northern China). Low winter temperatures in China can easily cause water pipes to freeze and crack, making it unsuitable).
The transmission part of the high-temperature industrial television has been changed from the original small wheel car to a metal guide rail, making the equipment entry and exit smooth and reliable, and greatly shortening the movement cycle of the probe cover (from the previous 1.5 minutes of screw drive to less than 5 seconds). In addition, the use of a self-locking motor ensures that the equipment can be used at any installation angle. To improve image quality and expand the dynamic range of contrast lighting, a Panasonic CP604 camera is proposed. The camera uses 24V AC and 12V DC power supply, making it safer.
Because the temperature resistance of the lens of a high-temperature industrial television is higher than that of the camera, only inserting the lens into the furnace is more conducive to cooling. To improve the lens's ability to respond to changes in furnace illuminance, a high-temperature pinhole lens with an automatic aperture must be selected. Made of sapphire, it can withstand temperatures of 200℃. To ensure that the probe is in a cooled and protected state during normal observation in the furnace, it is necessary to ensure that the probe automatically retracts from the furnace when the power or air supply is cut off. For the convenience of users operating the probe's entry and exit, it should be controllable not only on-site but also remotely from the probe room. To ensure reliability and advancement, the control part uses PLC programmable control, greatly improving the system's operability and reliability. Users can freely program according to their own requirements to meet their needs.
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