Dust-free carloader for discharging ash from gravitational duster of blast furnace

Abstract

The invention discloses a dust-unloading and dust-free loading device for a gravity dust collector of a blast furnace. It includes an ash inlet device, an ash conveying device connected with the ash inlet device, the ash conveying device is connected with the ash discharge device, the ash outlet of the ash discharge device is connected with the dust suction device, and the ash conveying device is set on a hinge that can do three-dimensional rotary air material connection. On the seat, the ash conveying device and the dust suction device are respectively connected to the ash inlet device and the air induction pipe through a communication device capable of doing three-dimensional rotation. The invention completely solves the problem of large dust emission during the ash unloading and loading operation of the blast furnace gravity dust collector, simplifies the process to the greatest extent, reduces the energy consumption and operation and maintenance costs of the loading system, and is reliable in operation. The device is not only suitable for ash conveying and loading of blast furnace gravity dust collector, but also can be used for train loading of other powdery materials.

Description

technical field [0001] The invention belongs to a loading device of a dust removal device, in particular to a dust-unloading and dust-free loading device for a blast furnace gravity dust collector. technical background [0002] The blast furnace gravity dust collector produces a lot of dust during the ash unloading and loading operation. According to the on-site observation and analysis, the dust concentration at the operation site is generally 10000mg / Nm 3 Above, greatly exceeding the national health standards. The root cause of the dusting effect when the gravity dust collector is unloading and loading the vehicle is that the drop between the material outlet of the gravity dust collector and the floor of the carriage is relatively large, and the shearing action occurs between the powder particles and the air during the falling process, thereby inducing the generation of dust-laden airflow. The collision and splash of powder and the influence of nat...

AI Technical Summary

Problems solved by technology

The root cause of the dusting effect when the gravity dust collector is unloading and loading the vehicle is that the drop between the material outlet of the gravity dust collector and the floor of the carriage is relatively large, and the shearing action occurs between the powder particles and the air during the falling process, thereby inducing the generation of dust-laden airflow. The collision and splash of powder and the influence of natural wind make the dust more serious

In order to effectively eradicate the above-mentioned dust, measures such as tunnel sealing and dust removal, compartment sealing and dust removal, and liftable airtight covers have been adopted in China. Due to the complicated process and large processing air volume, it is difficult to achieve reliable and efficient sealing, coupled with large investment and difficult operation and maintenance. , have not worked

Through the search of Chinese patents, no patent technology disclosure related to solving the above problems has been found

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