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Kiln And Furnace Monitoring
Applications
Dec 03,2025
System introduction
HJK-FAK series endoscope electric ultra-high temperature infrared thermal imaging temperature detection and analysis system is specially used in high temperature environment. The system is composed of infrared thermal imaging module, high temperature resistant infrared thermal imaging lens, automatic recoil protection device, furnace wall mounting kit, air filtration system and control box, and intelligent temperature measurement software. The high temperature resistant infrared thermal imaging lens is installed in a telescopic metal shield, and the telescopic device extends the high temperature resistant infrared thermal imaging lens directly into the furnace (below 1600℃), and the infrared thermal imaging module stays outside the furnace to realize continuous real-time monitoring of the operating status in the furnace. The shield is cooled by compressed cooling air or cooling water to make the infrared lens work at a more suitable temperature. At the same time, the lens is purged to prevent the dust in the furnace from adhering to the lens protection window. The system has a built-in high temperature protection circuit. Once the cooling gas or cooling water circulation is abnormal, the system retracts the lens to prevent it from being damaged by the high temperature in the furnace.
product image
Product features
1. All-weather passive infrared temperature measurement function
2. Intelligent temperature measurement algorithm for accurate temperature measurement
3. Supports ONVIF protocol
4. Does not depend on system platform; can directly log in to the web IP address to access the image and configure settings; can directly output alarm signals to PLC or an alarm device
5. Expansion length can be customized to suit a variety of kiln wall thickness
6. Spiral air curtain design keeps the lens free of dust accumulation
7. Integral stainless steel material provides corrosion and temperature resistance
8. Direct viewing endoscope head
9. Automatic exit and fault indication
10. Electric or pneumatic transmission mechanism
11. High temperature resistant optical pinhole lens with dust resistance
12. Over-temperature, under-voltage, or power failure causes automatic exit from the furnace
Application
The equipment is designed to withstand extreme temperature up to 1600°C.
It can be used for grate cooling machine blanking, steel plant heating furnace, annealing furnace, heat treatment furnace, waste treatment plant incinerator and other industrial high temperature furnaces.
Equipment value
1. With the thermal imaging system, operators can clearly see the temperature distribution, gas flow direction, and burden distribution inside the furnace. Based on these data, they can precisely adjust the charging ratio of coke and ore, and change the diameter, length, or number of tuyeres to ensure optimal gas flow distribution. This effectively reduces the coke ratio (i.e., the amount of coke consumed per ton of pig iron). In the current environment of high raw material prices, this represents the most core source of cost savings. Furthermore, the thermal imaging system can help quickly establish reasonable gas flow during the furnace startup phase, shortening the time needed to reach full production.
2. The charging chute at the top of a blast furnace is highly susceptible to wear in high-dust and high-temperature environments. Once it wears through, the consequences can range from a furnace stoppage lasting several days to, in severe cases, damage to internal furnace equipment. The infrared system clearly monitors the condition of the chute and issues an immediate warning upon detecting any abnormality, potentially avoiding economic losses amounting to millions of money.
3. Disturbed gas flow distribution is a primary cause of major furnace malfunctions such as "hanging" and "slipping," which are extremely costly to address each time they occur. The infrared system captures gas flow distribution anomalies in real time, guiding operators to intervene early. The economic benefit of avoiding just one such incident can also reach millions of money.
Case
infrared thermal image of blast furnace burden surface
steel mill on-site installation picture
infrared thermal image of rotary kiln
rotary kiln on-site installation picture
infrared video of blast furnace top monitoring
Related Products
The HIRDA‑FAK infrared thermal imaging camera is specially designed to monitor operating conditions such as nozzle flame, clinker movement trajectory, and ring formation position inside the kilns and furnaces. It features high temperature resistance, corrosion resistance, and maintenance‑free operation, enabling real‑time display of various complex conditions inside the kilns and furnaces. Equipped with normal compressed air purging for the camera probe, it is suitable for use in various positive pressure kilns and furnaces.
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Contact Us
Email: steven@hjkir.com
Call Us: +86-153-7751-9674
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