There are two major categories of functions and requirements for unloading tweezers. Structural evolution and performance comparison of tower rafts in machine shaft kiln. The tower has increased the ventilation area from the original 28%-30% to 30%-32%. The ventilation mode is mainly vertical ventilation, with a small amount of horizontal air intake, and the overall height is increased by double eccentric structure. Therefore, the ventilation of the shaft kiln is improved to some extent. The type of tower tower absorbs the advantages of large ventilation area and high overall height of the combined ventilation ladder tower. The crushing mechanism of the tower is different from that of the stepped tower. The crushing and crushing is agitated crushing, which not only has a large crushing capacity, but also has a strong discharging capacity, and the ventilation area is up to 48 in the case of the same ventilation area. %. The tower has a large claw crushing structure. At the same time as the height is increased, the diameter of the circumferential crushing zone is correspondingly enlarged, so that the middle and the side of the shaft kiln are broken and discharged, and the bottom fire balance is ensured.
The replaceable sleeve large crushing high-efficiency tower is indicated by a large crushing and high-efficiency tower. The tower has a replaceable dome and a toothed sleeve structure on the basis of the high-claw crushing high-efficiency energy-saving tower structure, which not only prolongs the service life but also saves the use cost. The main performance characteristics of the tower: the normal service life of the tower is 10 years, the normal service life of the replacement sleeve is 3 years, the normal service life of the dome is 2 years, the ventilation area is 48%, the crushing capacity is large, the discharge capacity is strong, and only the new tower is replaced. Hey, the output can be increased by 20%. The tower has been widely used in cement plants. The spherically replaceable tooth energy-saving tower è“–The existing cone-shaped table can be replaced by a high-tower raft. In the actual use process, there is a central part discharging speed faster than the edge, the unloading is unbalanced, and the bottom fire is deep and narrow, especially It is a shaft kiln with a small height to diameter ratio. The temperature of the clinker from the kiln is high, and the red material is easy to be unloaded. The tower is easy to burn out, and the tooth sleeve is broken due to high temperature, causing abnormal accidents such as kaya kiln. The spherical interchangeable toothed unloading tower is a new generation of towers developed on the basis of the existing interchangeable high towers and combining various types of towers. Combined ventilation trapezoidal crushing tower, large claws, strong crushing, high-efficiency energy-saving towers, interchangeable sets, large crushing and high-efficiency towers.
The tower is conceived with new design and unique design. It has the following characteristics: the balance of crushing and unloading, and the bottom fire is stable. Because the tower body is spherical, all the claws on the tower and the spire can be contacted and broken into clinker, and the central part is broken and unloaded. The material capacity is synchronized with the edge, and the bottom fire is stable, completely avoiding the crushing and unloading imbalance of the high-tower of the frustum, that is, the crushing and discharging capacity of the central part is large, the discharging speed is fast, the bottom fire is deep and narrow, and the red material is easy to be produced. Disadvantages. The ventilation area is large, and the overall ventilation area of ​​the central ventilation tower is 52%. Since the ventilation efficiency of the spherical tower is far greater than that of other shaped towers, the airflow speed on the ventilation holes is much larger, thus increasing the center. In the ventilation; because the surface of the sphere is very smooth, the resistance of the airflow along the inner surface of the tower is reduced, so the tower is not only highly ventilated, but also has a fast ignition speed and uniform ventilation. Through the use of practice, the use of the tower kiln, the clinker table is generally increased by 20% -30%. The long service life of the tower is due to the balance of the tower crushing and discharging, the bottom fire is stable, and there is no bottom fire to deepen the red material phenomenon, so as to prevent the tower from burning out at a high temperature. The tower jaw teeth adopt an integral tooth structure, which is not only safe and reliable, but also has a long service life of the claw teeth. The spires and claws are made of high-chromium-nickel alloy steel and specially heat treated. Usually replaced every 2-5 years.
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