A regenerative moving bed pyrolysis and cracking tube cracking reactor

Abstract

The invention provides a pyrolyzing and cracking reactor. The pyrolyzing and cracking reactor comprises a feeding opening, a pyrolyzing chamber, a cracking chamber, heat-storage radiant tubes, a cracking gas outlet, a heat insulating brick wall, a communicating component and a cracking channel; the heat insulating brick wall vertically penetrates into the reactor to divide the internal space of the reactor into the pyrolyzing chamber and the cracking chamber; the communicating component is arranged at the lower part of the heat insulating brick wall; the cracking channel is positioned in the cracking chamber; one end of the cracking channel is connected with the communicating component; the other end of the cracking channel is connected with the cracking gas outlet. The oil gas generated in the pyrolyzing chamber of the reactor can enter the cracking channel in the cracking chamber to be cracked deeply; the remaining time of the oil gas in the cracking time is long, and large-molecular tar molecules are cracked into small-molecular gaseous hydrocarbons, so that the problem that produced pyrolytic tar contains dust is avoided; clean and high-efficiency utilization of fossil fuel is really realized. In addition, two types of operations can be performed in one furnace body, so that the construction cost and the occupied area are saved.

Description

Technical field [0001] The invention belongs to the technical field of pyrolysis and cracking of fossil fuels, and specifically relates to a regenerative moving bed pyrolysis and cracking tube cracking reactor mainly aimed at resources such as oil shale and coal, which is used to prepare combustible gas and semi-coke product. Background technique [0002] In today's world, oil and gas resources are gradually decreasing and increasingly scarce, especially in our country, which must rely on a large amount of imported crude oil, which is related to the issue of national energy security. However, my country has very rich oil shale and coal resources. At present, my country's pyrolytic shale oil production ranks first in the world, and there is a trend of increasing year by year. The existing oil shale and coal pyrolysis furnace types mainly include Fushun furnace, Sanjiang gas-fired square furnace, Dagong’s solid heat carrier retort furnace, Estonia’s Galoter furnace, Australia’s AT...

AI Technical Summary

Problems solved by technology

The main purpose of the existing pyrolysis furnaces is to produce oil products, but most of the pyrolysis furnaces, especially those that use pulverized coal as raw materials, contain a lot of dust in the pyrolysis oil, which makes it difficult to effectively process the pyrolysis oil. Utilization, the value of pyrolysis oil is not high, etc.

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