Asphalt flue gas processing system and processing technology

Abstract

The invention discloses an asphalt flue gas processing system, which is characterized by comprising a cyclone separator used for separating and removing solid substance in flue gas, wherein the residual gas and liquid substance in the flue gas can be introduced in a first-level cooling tank; the first-level cooling tank used for cooling a gas / liquid mixture processed by the cyclone separator, wherein a part of oil gas in the flue gas is cooled and then changed into a liquid state, and then is deposited with the liquid substance together at the bottom of the first-level cooling tank, and then the residual flue gas is continuously introduced to a second-level cooling tank; the second-level cooling tank used for cooling the flue gas processed by the first-level cooling tank, wherein other oil gas in the residual flue gas is cooled and deposited at the bottom of the second-level cooling tank, and the residual flue gas is introduced into a plasma generator set; the plasma generator set used for decomposing the harmful substance in the flue gas processed by the second-level cooling tank; and an induced draft fan for discharging the processed flue gas. The asphalt flue gas processing system and the processing technology can effectively process the harmful substance in the flue gas and can fully recover the volatile matter.

Description

technical field [0001] The invention relates to the technical field of a flue gas treatment system, in particular to an asphalt flue gas treatment system and its treatment process, and in particular to its system connection structure. Background technique [0002] Dust, low molecular oil fume and other substances are usually mixed in the asphalt fume discharged from the asphalt batching workshop. At present, the main methods to solve asphalt fume purification are mechanical collision, activated carbon filter and electrostatic adsorption. Although they can reduce asphalt fume to a certain extent, they are not thorough, and the following problems still exist in environmental pollution: [0003] 1. For the mechanical collision type, the wind resistance is large, the purification efficiency is low, and it cannot remove tiny particles, odors and harmful gases; [0004] 2. For the activated carbon filter type, it is very easy to be saturated, the replacement cycle is short, and t...

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Problems solved by technology

[0003] 1. For the mechanical collision type, the wind resistance is large, the purification efficiency is low, and it cannot remove tiny particles, odors and harmful gases;

[0004] 2. For the activated carbon filter type, it is very easy to be saturated, the replacement cycle is short, and the loss rate and cost are increased;

[0005] 3. For the electrostatic adsorption method, the smoke particles are purely adsorbed and efficiently captured by charging the smoke particles. However, in practical applications, there are disadvantages such as difficult to clean the plates, cannot effectively remove odors, and cannot degrade smoke gas molecules.

In this utility model, the bitumen flue gas uses a washing tower to reduce the flue gas temperature and dilute the flue gas concentration, but there is a hazard of secondary water pollution, and the washed water needs to be separated from oil and water

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