High-temperature smoke cooling method and high-temperature smoke cooling device for preventing dioxin from being synthesized again

Abstract

The invention discloses a high-temperature smoke cooling method and a high-temperature smoke cooling device for preventing dioxin from being synthesized again. The high-temperature smoke cooling device comprises an air cooling box, a water cooling box and a spraying box; and air cooling box periphery plates are arranged at the periphery of the air cooling box. The high-temperature smoke cooling method and the high-temperature smoke cooling device have the beneficial effects that with the adoption of the air cooling box, the water cooling box and the spraying box, the temperature of smoke is rapidly reduced to about 50 DEG C in one second, so that resynthesis of the dioxin is avoided, the environmental pollution is avoided, simultaneously, the water content of the smoke after being sprayedis reduced greatly, and the consumption of water is reduced; heat exchange copper pipes are arranged in the air cooling box, heat in the high-temperature smoke is recycled, air entering a pyrolyzing furnace from the outside is preheated, and the temperature of the air is raised, so that the pyrolysis efficiency of garbage is improved further; and with the adoption of a water outflow pipe I, a water outflow pipe II and a water storage elbow, spraying water is collected, so that the consumption of a water resource is reduced.

Description

technical field [0001] The invention relates to the technical field of high-temperature flue gas cooling, in particular to a high-temperature flue gas cooling method and device for preventing re-synthesis of dioxins. Background technique [0002] In the process of using the pyrolysis furnace to process domestic waste, in order to prevent the high-temperature flue gas from polluting the environment, it is often necessary to cool the high-temperature flue gas. However, the existing high-temperature flue gas cooling devices mainly use spraying to The high-temperature flue gas is cooled and cooled, the cooling speed is slow, the water consumption is large, and dioxins will be generated again during the cooling process, polluting the environment, and there is no preheating device for the outside air on it, not only cannot achieve high-temperature flue gas Recycling of heat in the air, and the pyrolysis efficiency of the waste is often reduced due to the low temperature of the air...

AI Technical Summary

Problems solved by technology

[0002] In the process of using the pyrolysis furnace to process domestic waste, in order to prevent the high-temperature flue gas from polluting the environment, it is often necessary to cool the high-temperature flue gas. However, the existing high-temperature flue gas cooling devices mainly use spraying to The high-temperature flue gas is cooled and cooled, the cooling speed is slow, the water consumption is large, and dioxins will be generated again during the cooling process, polluting the environment, and there is no preheating device for the outside air on it, not only cannot achieve high-temperature flue gas Recycling of heat in the air, and the pyrolysis efficiency of the waste is often reduced due to the low temperature of the air entering the pyrolysis furnace for waste treatment. In addition, there is a lack of water collecting device on it, so that the spray water cannot be collected in time , resulting in waste of water resources, so there is an urgent need for a high-temperature flue gas cooling device that prevents dioxins from being synthesized again to solve the existing problems

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