Closed type rough cyclone quick separation system carrying multiple-riser reactor for catalytic cracking process and catalytic cracking method thereof

A catalytic cracking and riser technology, which is applied in catalytic cracking, chemical instruments and methods, and devices in which the axial direction of the swirl flow can be reversed, etc., can solve the problems of reducing the work intensity of operators, improve product quality, and shorten the stay time, to achieve the effect of stability

Active Publication Date: 2011-11-16
CHINA PETROCHEMICAL CORP +1
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to develop a new type of catalytic cracking multi-riser reactor with closed rough rotation and quick separation for a series of problems of current main single or double riser reactor and riser outlet quick separation system And its catalytic cracking method makes this new riser reactor more conducive to optimizing the raw materials with different properties under different riser reaction conditions, improving the yield of the target product, and increasing the yield of light oil; at the same time, it can reduce the reaction more effectively. The coking of the system ensures the long-term safe operation of the device; in addition, the system has a simple structure and large operating flexibility, which has positive significance for reducing the work intensity of the operator

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Closed type rough cyclone quick separation system carrying multiple-riser reactor for catalytic cracking process and catalytic cracking method thereof
  • Closed type rough cyclone quick separation system carrying multiple-riser reactor for catalytic cracking process and catalytic cracking method thereof
  • Closed type rough cyclone quick separation system carrying multiple-riser reactor for catalytic cracking process and catalytic cracking method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Such as figure 2 As shown, the closed multi-riser reactor with rough cyclone and rapid separation includes a riser 1 , a stripping section 6 , a reaction settler 7 , and a rough cyclone separator 2 and a top cyclone separator 4 therein.

[0038] In the reaction settler 7, the gas outlet pipes of each coarse cyclone separator 2 are airtightly connected directly to the inlet oil pipes of each cyclone separator 4 at the top through a straight oil-gas collecting pipe 3 to form a closed quick separation system.

[0039] The inside of the reaction settler 7 is provided with a stripping steam collection cover 5 composed of an upper conical cylinder and a lower straight cylinder, and the bottom of the reaction settler 7 is embedded in the lower position of the stripping steam collection cover 5 . The top of the conical cylinder on the upper part of the stripping steam collection cover 5 is connected to the bottom of the oil-gas collecting pipe 3, and the straight cylinder on t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a closed type rough cyclone quick separation system carrying multiple-riser reactor for catalytic cracking process and a catalytic cracking method thereof. The reactor provided by the invention comprises risers, a stripping stage, a reacting-settler, rough cyclone separators disposed inside the reacting-settler and cyclone separators disposed on the top of the reacting-settler, wherein outlet ascension pipes of the rough cyclone separators are connected with inlets of the top cyclone separators through an oil gas collecting pipe. As a plurality of independent risers are arranged in the invention, feedstocks of different traits respectively undergo cracking reaction under each appropriate environment according to the requirements of device production schemes and product quality, so as to raise the yield of a target product. As a novel close type rough cyclone quick separation system is adopted on the outlets of the risers in the system, the staying time of cracked oil gas inside a settler is effectively shortened, the coke rate is reduced, and the yield of the target product is raised, therefore guaranteeing the device to operate safely for long periods of time.

Description

technical field [0001] The invention belongs to equipment and method for catalytic cracking reaction in petroleum refining and chemical industry, more specifically, it is a novel multi-riser reactor equipment and catalytic cracking method applied in catalytic cracking device of petroleum refining. Background technique [0002] In recent years, around the in-depth research, development and extension of catalytic cracking reaction technology, domestic and foreign research institutes and engineering companies have carried out a lot of research and development, and formed a series of catalytic cracking family technologies, such as the development of the Academy of Stone Sciences The MGD, MIP-CGP, DCC, ARGG and CPP reaction process of Luoyang Engineering Company, the flexible multi-effect catalytic cracking process (FDFCC) of Luoyang Engineering Company, the double riser technology (TSRFCC and TSRCP-MPE) of the University of Petroleum (East China) and the University of Petroleum ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/14B04C5/26C10G11/00C10G51/06
Inventor 徐永根吴雷杨启业李荣楣张必强范声余龙红黄泽川
Owner CHINA PETROCHEMICAL CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products