Waste gas catalytic combustion and biological purification device

Abstract

The invention discloses a waste gas catalytic combustion and biological purification device. The waste gas catalytic combustion and biological purification device is characterized by comprising a catalytic combustion device and a biological spray washing tower, wherein the catalytic combustion device is composed of a heat exchanger and a catalytic combustion bed which is internally provided with an automatic heating device; an air intake end and an air exhaust end of the catalytic combustion bed are respectively connected with a heat exchanger pipeline; an air inlet of the biological spray washing tower is connected with the heat exchanger pipeline; waste gas enters the catalytic combustion bed through the heat exchanger for catalytic combustion, reaction heat is recycled through the heat exchanger, then the waste gas enters the biological spray washing tower to be subjected to spray purification; the waste gas purification effect is thorough, and the catalytic combustion biological purification waste gas device is suitable for the surrounding environment with residents; and the recycled reaction heat of the heat exchanger is used for heating the waste gas of charge materials, prevents energy source waste, and is economical and practical.

Description

Technical field: [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a catalytic combustion biological purification waste gas device. Background technique: [0002] Exhaust gases from petrochemical, light industry, plastics, printing, coatings and other industries often contain hydrocarbons (aromatics, alkanes, olefins), oxygen-containing organic compounds (alcohols, ketones, organic acids, etc.), nitrogen, sulfur, halogens and Phosphorus-containing organic compounds, etc. In recent years, catalytic combustion exhaust gas purification devices have been more and more widely used in exhaust gas treatment due to their low ignition temperature and wide application range; however, existing catalytic combustion exhaust gas purification devices have combustion Incomplete, technical defects of incomplete purification treatment effect. Invention content: [0003] The purpose of the present invention is to overcome the techn...

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Problems solved by technology

[0002] Exhaust gases from petrochemical, light industry, plastics, printing, coatings and other industries often contain hydrocarbons (aromatics, alkanes, olefins), oxygen-containing organic compounds (alcohols, ketones, organic acids, etc.), nitrogen, sulfur, halogens and Phosphorus-containing organic compounds, etc. In recent years, catalytic combustion exhaust gas purification devices have been more and more widely used in exhaust gas treatment due to their low ignition temperature and wide application range; however, existing catalytic combustion exhaust gas purification devices have combustion Incomplete, technical defects of incomplete purification treatment effect

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