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

A Pneumatic Conveying Method for Coarse Ash in Converter Gas Dry Dust Removal

A technology for pneumatic conveying and converter gas, applied in conveyors, transportation and packaging, climate sustainability, etc., can solve the problems of dust everywhere, coarse ash site and distance limitation, water droplet precipitation, etc., to improve the conveying capacity, no dust Spillover, the effect of ensuring stability

Active Publication Date: 2015-11-04
WISDRI ENG & RES INC LTD
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main problems of the existing coarse ash conveying technology for dry dust removal are as follows: first, the evaporative cooler is easy to harden, and water droplets will precipitate when the water spray control is not good, which will cause the built-in chain conveyor to get stuck and affect the normal production of the converter; First, the storage and transportation of coarse ash are limited by the site and distance; third, the humidification of coarse ash is not uniform, resulting in dust everywhere during ash unloading, polluting the environment

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
  • A Pneumatic Conveying Method for Coarse Ash in Converter Gas Dry Dust Removal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0034] A method for pneumatic conveying of coarse ash by converter gas dry method dedusting of the present invention comprises steps S1-S6, specifically as follows:

[0035] S1. Construct converter gas dry dust removal coarse ash pneumatic conveying system, such as figure 1 As shown, it includes high-efficiency waste heat recovery heat exchanger 1, horizontal chain conveyor 2, ash unloading main pipe 3, pneumatic three-way distributor 5, first ash unloading branch pipe 8, second ash unloading branch pipe 13, first warehouse Pump 11, second storehouse pump 16, pneumatic conveying pipe 24, coarse ash storehouse 25.

[0036] The high-efficiency waste heat recovery heat exchanger 1 is provided with high-efficiency heat exc...

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 pneumatic conveying method for removing dust and crude ash in a dry process of converter gas. The method comprises the following steps of S1, constructing a pneumatic conveying system for removing dust and crude ash in the dry process of converter gas; S2, feeding: ash is discharged into a first cabin pump (11) or a second cabin pump (16); S3, fluidization: nitrogen enters into a first fluidization device or a second fluidization device from a gas storage tank (19); S4, conveying: the uniformly fluidized gas and ash mixture is conveyed into a crude ash cabin (25) through a pneumatic conveying pipe (24); S5, sweeping, and S6, moving by transportation. According to the method, a high-efficiency waste heat recycling and heat exchanging device is adopted, the method of indirect heat exchange is used, no direct spraying water exists, the problem that an evaporative cooling device is easily hardened is thoroughly solved, and the problem that a built-in chain conveyor is blocked by dust caused by water dropping is also solved. After the high-efficiency waste heat recycling and heat exchanging device is used, waste heat in raw coal gas is greatly recycled, dust can be removed, energy is saved, and the environment is protected.

Description

technical field [0001] The invention relates to the field of environmental protection, and more specifically relates to a pneumatic conveying method for dry dust removal of converter gas and coarse ash. Background technique [0002] With the increasing awareness of environmental protection, most newly built and rebuilt converters use dry dust removal. The existing coarse ash conveying technology for dry dust removal is: spray water in the evaporative cooler to reduce dust, and the collected coarse ash is sent to the main converter under the action of gravity through the built-in chain conveyor, pneumatic flapper valve and pneumatic double flap valve. The coarse ash bin in the factory building is transported by car for comprehensive utilization after humidification. [0003] The main problems of the existing coarse ash conveying technology for dry dust removal are as follows: first, the evaporative cooler is easy to harden, and water droplets will precipitate when the water ...

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 Patents(China)
IPC IPC(8): B65G51/02B65G17/30
CPCY02P70/30Y02P70/10
Inventor 葛雷王亮王勇纲纪世昌
Owner WISDRI ENG & RES INC LTD
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