Application of Grab Crane in Waste Incineration Plant

Garbage grab cranes (garbage cranes) generally use a double-beam structure, which consists of an opening and closing mechanism, a hoisting mechanism, and a large and a trolley operating mechanism. It uses a six-lobed grab bucket with a maximum lifting capacity of 20 tons (including the self-weight of the grab bucket). The garbage grab crane is the core equipment of the garbage feeding system of various waste incineration power plants in modern cities. It is located above the garbage storage pit and is mainly responsible for the operations of feeding, handling, mixing, picking up and weighing the garbage.

Feeding: When the garbage imported into the incinerator is insufficient, the crane grabs the fermented garbage in the garbage pit and runs it to the merchant at the feeding port to feed the feeding funnel of the garbage incinerator.

Retrieval: Take out the objects that have accidentally entered the storage pit but should not be incinerated.

Weighing: In order to count the actual incineration amount of garbage, before the garbage is put into the feed port of the incinerator, the garbage put into the feed port is weighed and measured.

The working conditions of the double-girder grab crane in the garbage dump are very harsh, and it is an environment with high dust, high temperature, high humidity and high corrosive gas. Because it relies on grab buckets, it is a heavy-duty type, so its working level is very high, and the motors of each mechanism are short-term repetitive work. The working conditions in a garbage grabbing cycle include: grab grabbing garbage, full bucket lifting, empty bucket lifting, full bucket lowering, empty bucket lowering, full bucket translation, empty bucket translation, lifting brake, lowering brake, translation brake, etc.

Due to the harsh working environment, garbage grab cranes generally have a control room. The garbage crane operator can remotely control the crane in the control room to complete the lifting of garbage.

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