A dust removal method for coke transportation system

A transportation system, coke technology, applied in the direction of dust removal, transportation and packaging, cleaning methods and utensils, etc., can solve the problems of large area occupied by the dust collector, easy blockage of horizontal pipes, large air volume and other problems

Inactive Publication Date: 2012-02-22
KUNMING METALLURGY INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Disadvantages: large investment; low dust collection rate; horizontal pipes are easy to block, which affects the collection rate; large air volume and high operating costs; dust collectors, induced draft fans and chimneys occupy a large area; full-time operation and maintenance personnel are required. Dust Transport Equipment

Method used

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  • A dust removal method for coke transportation system
  • A dust removal method for coke transportation system

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Experimental program
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Embodiment

[0027] see figure 1 , 2 , the first position of the belt conveyor 1 is sealed with a sealed chamber 2, followed by a dust removal chamber 5, a dust-gas separation chamber 8 and a circulating dust reduction chamber 9 after the station of the drop pipe 3, and the upper part of each chamber is provided with an inclined folding plate 7, and the angle between the folding plate 7 and the horizontal direction is 15°-45°, and the chambers are connected into one body through the connector 10. First of all, for the rising dust gas falling into the dust removal chamber 5 from the discharge pipe 3, it is redirected by the inclined folding plate 7 on the top, causing turbulent flow and causing the large particles to settle; while the fine dust is transported by the belt conveyor 1 at the discharge port. And the movement of the material generates a slight negative pressure, so that the fine dust flows back to the lower end of the discharge pipe 3 through the return pipe 4, and finally most...

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Abstract

The invention relates to a dust removal method for a coke conveying system of an ironmaking enterprise, and belongs to the technical field of environmental protection dry dust removal. The method of the present invention is as follows: sealing the conveying device through which the material passes, setting up a dust removal chamber, a dust gas separation chamber and a circulation dust reduction chamber in sequence after the blanking station of the conveyor; The deflection plate produces turbulent flow and settles large particles. For fine dust, negative pressure is generated at the discharge port to make it flow back to the lower end of the discharge pipe; in the dust-gas separation chamber, an upper inclined deflection plate is used to continue to change the movement direction of the dust-laden airflow and moving speed, so that the dust is separated from the airflow; in the circulating dust chamber, the upper inclined folding plate and the hanging rubber strip are used to further reduce the kinetic energy of the dust, and generate static electricity on the rubber strip to settle the remaining dust. The dust removal method of the present invention has the advantages of less investment, no land occupation, high collection rate, low treatment cost, long service life of the dust collector, short construction period, and the outlet gas of the dust collector is lower than the national discharge standard.

Description

technical field [0001] The invention relates to a dust removal method for a coke conveying system of an ironmaking enterprise, and belongs to the technical field of environmental protection dry dust removal. Background technique [0002] Most of the dust removal systems in my country's coke transportation process use negative pressure suction bag dust removal technology for dust removal. The bag dust removal process includes dust collection hoods, conveying pipes, bag filters, induced draft fans and chimneys, etc. [0003] Advantages: high dust removal efficiency. [0004] Disadvantages: large investment; low dust collection rate; horizontal pipes are easy to block, which affects the collection rate; large air volume and high operating costs; dust collectors, induced draft fans and chimneys occupy a large area; full-time operation and maintenance personnel are required. Dust transport equipment. Contents of the invention [0005] The technical problem to be solved by th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B15/04B07B7/02B03C3/00B65G47/16B65G15/00B65G37/00
Inventor 白荣林瞿仁静胡娟邹臣和邹巍
Owner KUNMING METALLURGY INST
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