Slag Dart Supplier China

Slag Dart

Refractory & Ball Slag Dart, Steel Plant Control Slag Dart, Slag Dart For Steel Making Supplier

Features

•Higher bulk density

•More resistant to impact, burst and erosion

•Customize slag darts used for 30-300 ton BOF converts based on your requirements

Description

In the converter steel-making processing, a large amount of molten steel slag is produced when smelting in the BOF. The slag dart is a cone shaped plug with a refractory covered guiding rod, it has three slot design which is enough for the liquid metal to flow and block the slag. The slag dart is inserted into the taphole toward the end of the tapping operation by slag blocking dart application machine to block slag inflow ladle, the performance can be increased to 96%, Slag layer< 40mm. The slag dart has an obvious effect on increasing steel yield and purity as well as the quality and mechanical performance of steel.

Technical Parameter

Technical Specification Table
Item Name	Slag dart Slag Stopping Plug Slag Control Dart
Total Length	1100~1680mm
Height of Head	150mm-230mm, according to drawing
Diameter of Head	200-350mm, according to the size of tapping hole
Density of Head
Density of Tail
Temperature Application	1790℃
CCS	≥20 MPa
Note: All of these could be customized according to customer's requirements.

Darts head (Chemical Analysis)

Name of composition	%
Al2O3	38 Min
MgO	38 Min
SiO2
Fe2O3	3~5

Darts tail (Chemical Analysis)

Name of composition	%
Al2O3	42 Min
MgO	39 Max
SiO2	7 Min

Supplementary Properties

Name	Description	Index
BD g/cm3	Dart head
	Dart tail
Service Temperature ℃	Dart head	1750 Min
	Dart tail	1750 Min
CCS kg/cm2	Dart tail
	Dart tail

Application

Slag Dart is usually used in converter tapping process. Blocking slag in tapping process reduces phosphorus in molten steel, and increase the alloy consumption; reduces various objects mixing into steel, improves the steel quality; reduces slag sticking in the ladle, improves the ladle life; reduces refractory consumption, and providing better conditions to refine steel.

Yuntian is a leading manufacturer of slag dart machine, slide gate plate and slag stopping ball in China. If you want to know more about the products, you can contact us or visit our factory. We will use our professionalism to provide you with quality service. More information please viewhere.

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