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The grab crane is a kind of lifting equipment used to lift bulk materials, move them horizontally within a short distance, and lower the objects after arriving at a designated location. It is often used to load and unload coal, cement, ash, ore, solid waste, etc. It is an indispensable piece of equipment in industrial and mining enterprises, loading and unloading docks, and garbage incineration production processes. Grab cranes are in great demand in waste incineration power plants. Grab cranes play an important role in the processes of feeding, mixing, handling, picking up, and weighing. The grab crane can be set through the program-controlled system. During the garbage incineration process, if there is insufficient garbage in the incinerator, the crane will automatically go to the fermentation tank to grab the garbage, and then transport it to the feeding station to automatically feed the garbage incinerator. When there is insufficient garbage in the fermentation tank, the crane is set to grab the garbage from the discharge point and transport it to the fermentation tank to maintain the amount of garbage in the fermentation tank at all times. When there is too much garbage accumulated at the unloading area, the crane can be controlled to move the excess garbage to an open area first. If there are objects that are not conducive to combustion in the pile, you can also control the crane's grab to grab the objects. Another function of the grab crane is weighing. Weighing can control the amount of garbage grabbed each time, which is helpful for counting the amount of garbage incinerated.