Flue gas treatment and flue gas waste heat recovery device for magnesium alloy machining

Abstract

The invention discloses a flue gas treatment and flue gas waste heat recovery device for magnesium alloy machining. The device comprises a bottom plate, a gas inlet pipe, a heat storage tower and a shell, wherein a first support is fixed to the upper part of one end of the bottom plate, a driving motor is arranged at one side of the first support, and meanwhile, one end of the driving motor penetrates through the first support to be rotationally connected to a motor shaft; the gas inlet pipe is fixed to the upper part of the bottom plate through a second support, and one end of the gas inlet pipe is communicated with a shunt tube; and the heat storage tower is arranged at the upper side of the base, the base is fixed to the middle of the upper part of the bottom plate, and meanwhile, the base and the heat storage tower are not communicated with each other. The device is compact in overall structure, different positions can be independently disassembled between the structures, the convenience for disassembly and assembly of the whole device is improved, and the efficiency of overhauling the device is improved.

Description

technical field [0001] The invention belongs to the technical field related to flue gas treatment, and in particular relates to a flue gas treatment device and a flue gas waste heat recovery device for magnesium alloy processing. Background technique [0002] Waste heat refers to the sensible heat and latent heat contained in the products formed by energy-consuming devices during the working process of industrial production, including waste heat of high-temperature exhaust gas, waste heat of cooling medium, waste heat of waste steam and waste water, waste heat of high-temperature products and slag, chemical reactions Waste heat, combustible waste gas and waste liquid, and waste waste heat, etc., among which the recyclable waste heat resources are about 60% of the total waste heat resources. Flue gas is the most common high-temperature waste gas, and the waste heat recovery device is also the most common waste heat recovery device . [0003] However, most of the waste heat r...

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Problems solved by technology

[0003] However, most of the waste heat recovery devices currently used are simple in structure. Usually, coils and heat exchange fins are installed in a closed box for heat exchange treatment. This heat exchange method is simple and suitable for real-time heat exchange. Due to the limited heat exchange time , part of the heat will still be lost with the exhaust gas, and because the flue gas often contains a large amount of particles and sundries, during use, the sundries in the flue gas will easily block the gaps between the cooling fins, as the clogging As the area increases, the internal airflow will decrease, and the contact area between the airflow and the heat exchange fins will decrease, resulting in a decrease in heat exchange efficiency. To maintain a stable heat exchange efficiency, it is necessary to clean the interior of the device frequently, which will consume a certain amount of energy. Labor costs

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