Limonite Rotary Kiln

Product Specifications:Φ2.5×40m-Φ6.0×95m

Processing capacity:180-10000t/d

Total weight:149.61-1659t

Application Scope: The siderite rotary kiln is used for siderite, as well as for calcining active lime and light-burned dolomite used in steel plants and ferroalloy plants.

Introduction to Siderite Rotary Kiln

The siderite rotary kiln features a robust structure, stable operation, and high product quality upon discharge. It can also provide users with advanced high-efficiency vertical shaft preheaters and five-stage cyclone preheaters. The kiln hood of the siderite rotary kiln adopts a large-volume design with a split kiln door structure, ensuring smoother airflow. The sealing at the kiln head and kiln tail of the siderite rotary kiln employs a sealing form that is simple in structure and easy to maintain, utilizing the current advanced sealing technology in China. The siderite rotary kiln is also widely used in industries such as metallurgy, chemical engineering, and construction.

Working Principle of Siderite Rotary Kiln

The working process of the siderite rotary kiln is divided into two aspects: on one hand, it serves as a combustion device where pulverized coal burns to generate heat, and on the other hand, it functions as a heat transfer device where the raw material absorbs heat from the gas for calcination. Additionally, it sometimes acts as a conveying device, transporting the raw material from the feed end to the discharge end. The three processes—fuel combustion, heat transfer, and raw material movement—must be properly coordinated to ensure that the heat generated by fuel combustion is promptly transferred to the raw material during its passage through the siderite rotary kiln, thereby achieving the goals of high yield, high quality, and low consumption.

Characteristics of Siderite Rotary Kiln

1. The siderite rotary kiln features stable performance, low energy consumption, high output, and simple operation. It also offers advantages such as a straightforward structure, convenient and reliable production process control, fewer wear parts, and high operational efficiency.

2. The siderite rotary kiln calcination system equipment, through technological innovation, adopts advanced hydraulic thrust roller devices from both domestic and international sources, along with domestically advanced technologies such as high-precision metering plunger pumps, high-accuracy speed control valves, and contact-type graphite block sealing devices.

3. The siderite rotary kiln is easy to operate and reliable in use. It stabilizes the thermal system and improves the equipment operation rate. Compared with equipment of the same specifications, the operation rate has increased by 10%, the output has increased by 5%-10%, and the heat consumption has been reduced by 15%.

Maintenance of Siderite Rotary Kiln

1. As a production equipment with a relatively large load, the siderite rotary kiln typically experiences significant wear and heat generation in its components. Therefore, enhancing the lubrication and maintenance of the siderite rotary kiln's components is one of the common measures in equipment production. It should be noted that lubricating oil and grease must be used in accordance with the required quantities.

2. Inspect the circulating water system for leaks. Ensure that the circulating water inside the siderite rotary kiln flows smoothly, primarily by maintaining a certain water level in the water tank beneath the kiln's support rollers. The water level should be appropriately adjusted according to the siderite rotary kiln's water level regulator.

3. Check the rotary kiln for siderite for any cracks in the shell, the wear condition of the tire retaining plates, and the tightness of the fastening bolts in various parts. When the main components of the siderite rotary kiln are worn to a certain extent, they need to be replaced or repaired.

4. The internal oil level should be maintained with a certain degree of stability. When the operator notices that the oil level of the siderite rotary kiln is about to reach the lower limit, oil should be added promptly to ensure the adequacy and stability of the oil supply required for production.

5. Regularly inspect the equipment's safety production status for any potential safety hazards. If certain production hazards are identified, timely maintenance of the siderite rotary kiln should be carried out. **It is essential to keep proper records of the maintenance parts of the siderite rotary kiln, so as to systematically understand the production issues of the siderite rotary kiln.

Technical Parameters of Siderite Rotary Kiln