Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Spouted fluidized bed with tar catalytic cracking function

A spouted fluidized bed and catalytic cracking technology, which is applied in catalytic cracking, cracking, petroleum industry, etc., can solve the problems of complex catalytic cracking tar device, difficult control of solid particle distribution, uneven temperature distribution in the bed, etc., and achieve the overall structure The design is compact and ingenious, the pyrolysis reaction is thorough, and it is easy to popularize and apply.

Active Publication Date: 2019-08-13
SOUTHEAST UNIV
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently, fixed bed gasifiers, fluidized bed gasifiers, and entrained bed gasifiers are commonly used. During the operation of these devices, problems such as slagging, uncontrollable solid particle distribution, uneven temperature distribution in the bed, semi- low coke activity
Moreover, the existing fluidized bed and fixed bed combined catalytic cracking tar device is relatively complicated

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
  • Spouted fluidized bed with tar catalytic cracking function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] In order to deepen the understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.

[0020] see figure 1 , a spouted fluidized bed with tar catalytic cracking function, comprising a spouted fluidized bed body 10, a semi-coke feed port 7 and a pyrolysis gas outlet 14 in the upper and upper section of the bed body; a semi-coke collector in the middle section Tank 4, gas-solid separator 9, gas inlet pipe and screw feeder 3 are arranged in the lower section; guide pipe 11 is arranged in the spouted fluidized bed body 10, and the semi-coke feed port 7 is arranged in the spouted fluidized bed At the top of the bed body 10, the guide pipe is connected in the spouted fluidized bed body 10 through the support rod 5, and the gas-solid separator 9 and the semi-coke collection tank 4 are respectively arranged on both sides of the spouted fluidized bed body 10; The guide pipe 11 is fixed by four symme...

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

PropertyMeasurementUnit
angleaaaaaaaaaa
angleaaaaaaaaaa
Login to View More

Abstract

The invention relates to a spouted fluidized bed with a tar catalytic cracking function. The spouted fluidized bed comprises a spouted fluidized bed body, wherein the bed body is provided with a gas inlet pipe and pyrolysis gas inlet ports, the spouted fluidized bed body is internally provided with a guiding pipe, a semi-coke feeding port is formed in the top end of the spouted fluidized bed body,the guiding pipe is connected in the spouted fluidized bed body through supporting rods, the spouted fluidized bed is externally connected with a spiral feeding machine, a gas-solid separator and a semi-coke collecting tank, the gas-solid separator and the semi-coke collecting tank are arranged at the two sides of the spouted fluidized bed body respectively, baffle plates are arranged at the inner wall of the spouted fluidized bed body and above the guiding pipe, and the baffle plates are arranged in a spouted area under a suspension flow section of the spouted fluidized bed body. The spoutedfluidized bed with the tar catalytic cracking function solves the problems of short time and low utilization rate of semi-coke participating in a cracking reaction in the prior art, and greatly improves the efficiency of the semi-coke participating in the reaction.

Description

technical field [0001] The invention relates to the field of coal clean utilization, in particular to a spouted fluidized bed with tar catalytic cracking function. Background technique [0002] In recent years, flue gas desulfurization through powdered activated coke prepared in situ from pulverized coal in power plants is a new process. Tar is produced in the process of preparing activated coke from pulverized coal gasification. The existence of tar, on the one hand, will condense on the pyrolysis gas transmission pipeline, leading to the blockage of the pipeline; Therefore, an effective tar control method needs to be adopted in the coking process. There are many methods to control the tar content in the pyrolysis gas, and catalytic cracking technology has received attention due to its relatively mild conditions and high tar conversion rate. Studies have shown that compared with catalysts such as alkali metals, natural ore catalysts, and activated alumina, the semi-coke ...

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): C10G11/18
CPCC10G11/18
Inventor 张军刘思源闾荔
Owner SOUTHEAST UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products