A garbage dechlorination device and dechlorination method thereof

Abstract

The invention discloses a trash dechlorination device which comprises a feed mechanism, a drying kiln, a heat supply mechanism, a catalyst spraying mechanism and a tail gas processing mechanism. The drying kiln comprises a box type shell, a feed port in the top of the shell, an air inlet in the front end of the shell, a tail gas exhaust port in the tail end of the shell, multiple stages of conveying mesh belts fixed to the inner wall of the shell, a conveying belt fixed to the bottom in the shell, and a microwave generator fixed to the outer wall of the shell. The feed mechanism is connected to the feed port. The heat supply mechanism is connected to the air inlet. The tail gas processing mechanism is connected to the tail gas exhaust port. The first stage of conveying mesh belt is located under the feed port. The conveying belt is located under the last stage of conveying mesh belt. A discharge port is formed in the position, at the tail end of the conveying belt, of the shell. The invention further provides a corresponding dechlorination method and a device which can remove chloride ions in PVC, polyurethane and other compounds in trash. Thus, dioxin in the trash combustion process is thoroughly removed.

Description

technical field [0001] The invention belongs to the field of environmental protection equipment, and in particular relates to a garbage dechlorination device and a dechlorination method thereof. Background technique [0002] At present, the main treatment methods for municipal solid waste and combustible industrial waste in my country are landfill and incineration for power generation. As the urban population becomes more and more concentrated, it becomes more and more difficult to select a landfill site. Incineration power generation is an optimal way of reduction and resource utilization, but only the scale of waste with a daily output of more than 400 tons has investment value. At the same time, the cost of eliminating dioxins in the tail gas emitted after garbage incineration is too high, which also restricts the promotion of this technology. Sorting, crushing, drying, and molding domestic waste and combustible industrial waste to make briquette fuel (referred to as RDF...

AI Technical Summary

Problems solved by technology

[0004] The method used in this patent cannot achieve the dechlorination effect, because if you want to dechlorinate garbage, the temperature must reach at least 280 degrees, which is common knowledge

Secondly, the dechlorination equipment uses a drum drying kiln, which is heated outside, with low thermal efficiency and high cost

[0005] In general, there is no equipment that can completely remove chlorine in garbage in the prior art

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