Device for cracking tar and method for cracking tar

Abstract

The invention provides a tar cracking device and method. The device comprises a cracker, radiant tubes, catalysts, catalyst feeding openings, catalyst discharging openings and catalyst activation pipelines, wherein the cracker is partitioned into thermal cracking chambers and catalytic cracking chambers by partition plates, and the partition plates are provided with through holes; the radiant tubes are arranged in the thermal cracking chambers; the catalysts are arranged in the catalytic cracking chambers; the catalyst feeding openings are formed in the tops of the catalytic cracking chambers; the catalyst discharging openings are formed in the bottoms of the catalytic cracking chambers; the catalyst activated pipelines are connected with the catalyst feeding openings and the catalyst discharging openings respectively. By means of the tar cracking device and method, tar cracking efficiency of the device is improved.

Description

technical field

[0001] The invention relates to a device for cracking tar and a method for cracking tar. Background technique

[0002] Tar is an important chemical product with complex components, mainly composed of polycyclic aromatic hydrocarbons such as naphthalene, anthracene, and phenanthrene. Tar is mainly derived from the decomposition of organic matter in the process of pyrolysis and gasification. Untreated tar is difficult to burn completely, and it is easy to produce carbon black particles, which will seriously damage gas equipment. In addition, tar is easy to condense into a viscous liquid below 300 degrees Celsius, which is easy to burn with Mixing water and fly ash can block pipes, valves and other equipment. Therefore, the separation and purification of tar has an important position in the chemical industry.

[0003] At present, there are two main technologies for removing tar produced during the decomposition of organic matter: cold decoking and thermal deco...

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