Feeding device for garbage burning rotary kiln end

Abstract

The invention relates to the modification to the feeding device of the rotary kiln for the burning of wastes, particularly hazardous wastes. Inside of the feeding line connects with the interior of the kiln with dog-house on the line and piston propelling plate and fire block door of the garbage propelling device inside the pipe. A manifold sandwich is made by he feeding line, propelling plate and the fire block door, and the pipe cooling water running channel is composed of water inlet, manifold sandwich space, and water outlet. The circulating cooling water can bring away the heat from the line, maintaining a relative low temperature of the outside wall, avoiding the melting, gluing, and locking of wastes due to the waste touching the high temperature line. Utilizing hydraulic propelling method, it can avoid the damage to the motor due to mechanical blocking. Meanwhile, big hydraulic thrusting force can make quick retraction of the piston propelling plate after the feeding of wastes into the kiln, lowering harsh requirement for the fire resistant feature of the piston propelling plate, improving the running reliability and extending its durability.

Description

technical field [0001] The invention relates to environmental protection technology, in particular to the improvement of the kiln head feeding device of a rotary kiln for hazardous waste incineration. Background technique [0002] The rotary kiln incineration technology for the treatment of hazardous waste is receiving increasing attention. The operating temperature of the existing rotary kiln is usually around 1000°C, and the feed pipe of the rotary kiln is usually made of high-temperature-resistant materials. Since the feed device is directly connected with the rotary kiln, the temperature of the pipe is extremely high, and even the garbage starts to burn or melt as soon as it enters the pipe. , also affects the working stability and service life of the feeding device components and connecting structures. For example, the pusher plate will be scrapped prematurely if it is operated in a high temperature environment for a long time, the maintenance cycle is short, and the wa...

AI Technical Summary

Problems solved by technology

The operating temperature of the existing rotary kiln is usually around 1000°C, and the feed pipe of the rotary kiln is usually made of high-temperature-resistant materials. Since the feed device is directly connected with the rotary kiln, the temperature of the pipe is extremely high, and even the garbage starts to burn or melt as soon as it enters the pipe. , also affects the working stability and service life of the feeding device components and connecting structures. For example, the pusher plate will be scrapped prematurely if it is operated in a high temperature environment for a long time, the maintenance cycle is short, and the waste disposal cost is high. High requirements are directly related to whether the incinerator can operate stably and reliably for a long time

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