Infrared thermal imager cement rotary kiln
Rotary kiln is the key process equipment for cement clinker calcination, and kiln lining is the key factor for high quality, high yield, low consumption and long-term safe operation in rotary kiln production. The temperature is too high, and the thermal oscillating excessively damages the kiln lining and kiln body. In severe cases, the kiln wall will be burnt through, resulting in a shutdown accident; the infrared camera can detect the damage of the kiln lining in time to avoid losses.
What is a cement rotary kiln?
Cement rotary kiln is the main equipment for cement clinker dry and wet production lines. The rotary kiln is composed of a cylinder body, a supporting device, a wheel bearing support device, a transmission device, an active kiln head, a kiln tail sealing device, a coal injection pipe device and the like. ? The kiln body of the rotary kiln is inclined at a certain level, and the entire kiln body is supported by the supporting device.
Why can I use a thermal imaging camera to detect cement rotary kiln?
Compared with other fixed industrial furnaces (such as downdraft kiln, tunnel kiln, lime furnace, etc.), the kiln lining has a shorter service life. There are two reasons for this:
1 The mechanical action of the rotating kiln body on the inner lining causes certain damage to the inner lining;
2 During the operation of the rotary kiln, the bonding between the bricks is not strong, resulting in the interaction between the inner lining bricks, resulting in a short service life of the rotary kiln lining. The infrared camera can evaluate the damage condition of the lining of the rotary kiln: the temperature field of the outer wall is detected by the thermal imager, and the degree of lining damage under the operation of the device can be known, thereby providing a reference for the development of the maintenance plan.
Advantages of infrared camera in detecting cement rotary kiln lining
An on-line scanning temperature measuring device is installed on some cement rotary kiln, and the infrared thermal imager can well replace the online scanning temperature measuring device for detecting the kiln lining.
1 Rotary kiln lining requires a certain period from the discovery of hidden dangers to maintenance. The infrared thermal imager is used for periodic inspection (recommended for each shift), and the damage of the kiln lining can be quickly found through the comparison of the heat maps taken.
2 The infrared thermal imager has flexible operation and convenience, avoids the pre-construction of installing fixed platform and wiring, and the maintenance cost of the equipment is low.
3 replaceable memory card for easy detection of multiple rotary kiln and heat map data storage.
Typical customers:
Conch Cement, Seal Cement, Asian Cement, Huaxin Cement, Lafarge Cement, etc.
Advantages of infrared cameras
The damage of the lining of the 1 kiln can not be found by the naked eye, and the thermal imager can detect the temperature change of the outer casing, and quickly judge the fault based on this.
2Fluke's patent-pending IR-Fusion technology captures a digital photo and fuses it together to help identify and locate faults, so you can fix the problem correctly in the first place.
3 Fluke TI Series cameras are equipped with powerful software for storing and analyzing thermal images and generating professional reports. With this software, key parameters such as emissivity, reflection temperature compensation, and color palette stored in the image downloaded from the camera can be adjusted, which can be performed in the office, improving the safety and convenience of inspection.
Method for detecting rotary kiln lining by infrared thermal imager
To obtain a complete and clear infrared heat map when using infrared thermal imaging, we recommend:
1 The maximum temperature of the surface of the rotary kiln is 350-370 °C. Please choose a thermal imager suitable for temperature. If the maximum temperature of the thermal imager is insufficient, the filter lens can also be used to attenuate the radiant energy, and the same can be detected.
2 Mark the parts of the rotary kiln shell to locate the hidden points after the problem is discovered.
3 heat map attention to save, regular comparison, is conducive to timely detection of problems.
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