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Continuous type steam cracking equipment and cracking furnace used for same

A cracking furnace and equipment technology, applied in the field of continuous steam cracking equipment, can solve the problems of cracking furnace explosion, lower product quality, high sulfur content, etc.

Active Publication Date: 2012-10-17
ENRESTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The dry cracking method is easy to cause the cracking furnace to explode due to the pressure generated by the cracking gas; in addition, different materials to be cracked usually produce more or less harmful gases after cracking treatment, for example, waste tires are cracked during cracking The treatment process usually produces sulfur-containing gases, which if not treated will result in a higher sulfur content in the products obtained from the cracking, reducing the quality of the obtained products

Method used

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  • Continuous type steam cracking equipment and cracking furnace used for same
  • Continuous type steam cracking equipment and cracking furnace used for same
  • Continuous type steam cracking equipment and cracking furnace used for same

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Embodiment Construction

[0052]The cracking furnace of the present invention comprises a reaction chamber provided with a material inlet and a material outlet, and one or more axial transport structures arranged in the reaction chamber. Each transport structure includes a central shaft and a plurality of screw structures and a plurality of blade structures are arranged on the central shaft, thereby forming one or more helical sections containing only the screw structures and one or more blade regions containing only the blade structures part. The distance between each thread structure / blade structure and the adjacent thread structure / blade structure is the same or different. Preferably, each of the blade segments has substantially the same length, and each of the helical segments has substantially the same length. In a specific embodiment, each of the transport structures includes a plurality of helical sections and blade sections arranged alternately.

[0053] The reaction chamber in the cracking f...

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Abstract

The invention relates to continuous type steam cracking equipment and a cracking furnace used for the equipment. The equipment comprises a thermal source generator, a combustion chamber and a steam-gas generator communicated with a reaction chamber, wherein the reaction chamber provided with a feed hole and a discharge hole is arranged in the combustion chamber, and one or more axial conveyance structures are arranged in the reaction chamber; and each conveyance structure is provided with a central axis, one or more advance regions and one or more mixing regions, and the total length of the mixing regions in the central axis direction is 5 percent to 35 percent of the length of the conveyance structures.

Description

technical field [0001] The present invention relates to a continuous steam cracking equipment, in particular to a continuous steam cracking equipment with a unique transport structure, which is especially suitable for the treatment of waste tires. Background technique [0002] Regarding the recycling process of waste tires, it can be roughly divided into two types. One is the physical treatment method. After the waste tires are crushed, the steel wire, nylon and rubber are separated, and then the rubber is recycled to make reclaimed rubber. However, since reclaimed rubber is a remanufactured product, its quality is poor and it is not suitable to be used as a raw material for tire production. The resource efficiency for recycling and reuse is not high, and its economic value is low. The other is a treatment method that combines chemical means. After the waste tires are crushed, an appropriate proportion of catalyst is added, and cracking is carried out at an appropriate temp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G1/10
Inventor 吴俊耀乌南兹默·卡利特果
Owner ENRESTEC