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Axial-flow ultrashort contact cyclone reactor

A reactor and axial-flow technology, applied in the field of axial-flow ultra-short contact cyclone reactor, can solve the problem that it is difficult to make breakthroughs in residual oil catalytic cracking, and improve the contact efficiency of catalyst oil and inhibit Secondary reaction, coking, and time-shortening effect

Active Publication Date: 2012-07-04
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As crude oil becomes heavier and poorer, based on the actual situation of the current catalytic cracking unit, as the core of the catalytic cracking reaction process--traditional riser reactor, it is difficult to make breakthroughs in residual oil catalytic cracking

Method used

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  • Axial-flow ultrashort contact cyclone reactor
  • Axial-flow ultrashort contact cyclone reactor
  • Axial-flow ultrashort contact cyclone reactor

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Embodiment Construction

[0025] The technical characteristics of the present invention will be described in detail below in conjunction with specific embodiments.

[0026] In the actual implementation of this technology, the technical route of the present invention is realized through the following operations:

[0027] Figure 1~5 An axial flow ultrashort contact cyclone reactor according to a first embodiment of the present invention is shown.

[0028] Such as figure 1 ,2 As shown, the swirl reactor of the first embodiment includes a mixing chamber 11, which provides a mixing space for raw materials and catalysts for the axial flow swirl reactor of the present invention. Multiple catalyst feed pipes are installed on the top of the mixing chamber, and the same number of fresh raw material introduction devices are installed on the side of the mixing chamber. In order to ensure a high contact efficiency of agent and oil, it is necessary to ensure that the catalyst falls to the conical transition zone...

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Abstract

The invention discloses an axial-flow ultrashort contact cyclone reactor, which is technically characterized in that: raw materials and catalysts are mixed in a mixing cavity, and perform three-dimensional spiral motion in an annular space under the guidance of guide vanes, the turbulivity is high and a catalyst-oil contact effect is good. The axial-flow ultrashort contact cyclone reactor has the advantages that: all components in the reactor are fully contacted, quickly reacted, and separated while reacted, so that reaction and separation are carried out synchronously; when the axial-flow ultrashort contact cyclone reactor is applied to the heavy oil and poor oil processing technological process such as heavy oil catalytic cracking, residual oil hydrocracking and heavy oil cracking for preparing ethylene, a problem of overcracking caused by overlong retention period and backmixing of oil, gas and a catalyst in the reactor can be avoided, a problem of equipment coking in the conventional reaction process can be avoided, and the on-stream time of the device is prolonged.

Description

technical field [0001] The invention relates to an axial-flow ultra-short contact swirl reactor, which belongs to the catalytic cracking process in the petroleum refining industry, and is especially suitable for the catalytic cracking process for heavy and inferior oil processing. Its technical feature is that the reactor is composed of four parts: a mixing chamber, a cylindrical section, a conical section and a stripper from top to bottom along the axial direction. The reactor includes more than one raw material introduction device and more than one catalyst introduction device. The raw material introduction device has two ends, one end is connected with the feed nozzle, and the other end is communicated with the inside of the axial flow cyclone reactor. Background technique [0002] The general form of the traditional catalytic cracking reactor device: oil and gas react in the riser to form a gas-solid mixture, which is quickly separated by the rapid separation structure a...

Claims

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Application Information

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IPC IPC(8): C10G11/00B01J8/14
Inventor 王振波马艺王建任相军王建军刘仁桓金有海
Owner BC P INC CHINA NAT PETROLEUM CORP
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