Pyrolysis reactor

Abstract

The invention provides a pyrolysis reactor, which includes: regenerative type radiant tubes, a stirring device, a catalyst adding component, an air pumping umbrella and a distributor. The regenerative type radiant tubes are arranged in multiple layers along the height direction of the pyrolysis reactor, and a plurality of regenerative type radiant tubes parallel to each other are disposed in each layer in the horizontal direction; the stirring device consists of a stirring shaft and a plurality of stirring rods connected to the stirring shaft, and the stirring shaft rotatably extends from a slag discharge port into the pyrolysis reactor; the catalyst adding component includes a catalyst main tube; a plurality of catalyst branch tubes, one or more catalyst jet members and a carrier gas delivery member; the air pumping umbrella is disposed on the top wall of the pyrolysis reactor and is connected to oil gas outlets; and the distributor is arranged on the top wall of the pyrolysis reactor and is connected to a feed port through a flange. The pyrolysis reactor provided by the invention can significantly improve the pyrolysis efficiency.

Description

technical field [0001] The invention relates to the design of a pyrolysis treatment system for carbonaceous substances, especially a pyrolysis reactor. Background technique [0002] In order to realize the efficient and clean conversion and utilization of low-rank coal and other carbon-containing fuels, modern coal chemical industry has developed a variety of comprehensive coal chemical technology, pyrolysis-combustion decoupling, pyrolysis-chemical decoupling, pyrolysis-gasification decoupling etc., but not many have actually achieved industrialization, and various technical difficulties have been encountered in the process of scaling up from the pilot test to industrialization. Among them, the pyrolysis reactor design and subsequent purification treatment process are particularly prominent. At present, the main furnace types for pyrolysis of carbon-containing fuels (coal, oil shale, biomass, etc.) include Fushun furnace, Sanjiang square furnace, solid heat carrier retort ...

AI Technical Summary

Problems solved by technology

Some retort furnaces can only be used to pyrolyze massive oil shale and coal. Small particle size materials cannot be used, the resource utilization rate is low, and powdery materials are piled up in large quantities because they cannot be used; The recovery system is huge, the calorific value of pyrolysis gas is low, and the tar yield is low, so it is difficult to further popularize and demonstrate; the furnace type with solid as the heat carrier has problems such as uniform mixing and separation of raw materials and heat carrier, which limits its further development. develop

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