One, Currently, in some free-top blast furnaces at home and abroad, the distribution chute and distribution drive device usually adopt goose-head type overhead connection methods, such as in Luxembourg and at our Baogang Steel. When it is necessary to replace the distribution chute, a crane is used to hoist it. Workers standing in front of the manhole observe the loading and unloading positions inside the furnace while commanding the crane operator to carry out the installation and dismantling.

Train unloading machine

This method of replacement has the following drawbacks:

Due to the fabric chute loading and unloading being carried out within the furnace, the furnace temperature is reduced to a level that allows the workers at the manhole to observe and direct the hoisting operations.

2. It is challenging to manually observe the loading and unloading conditions inside the furnace and to direct the crane operators for handling operations.

3. Long replacement time.

The purpose of this invention is to provide a device for replacing the material-free chute of an unloading ladle furnace top, allowing for quick, easy, and accurate replacement of the chute.

The invention consists of a guide track, base, linkage mechanism, and power unit. The linkage mechanism includes a rocker, crank, and bracket; the base is mounted on the guide track and can move forward and backward. One end of the rocker and crank is pivotally connected to the base, while the other end is pivotally connected to the bracket, with the power unit attached to either the crank or rocker. As needed, the base can be moved to a specified position within the furnace, and the power unit can be operated according to a prescribed program, enabling the linkage mechanism to perform loading and unloading actions.