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May 2007 - SIMA

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additions and a decrease in electrodes<br />

consumption in the EAF.<br />

Environmentally, the enclosed system eliminates<br />

the release of DRI fines as waste and is in fact a<br />

double advantage in that the fines are introduced<br />

into the EAF along with the pelletized/lump DRI,<br />

thus increasing the overall yield. Using a<br />

continuous melting practice, the EAF roof is never<br />

opened, thus conserving the yield and avoiding<br />

loss of fines from charging or furnace blowoff.<br />

Since the HYTEMP System allows the transfer and<br />

use of reduced fines from the DR reactor to the<br />

EAF, a study over several years was conducted<br />

in-plant to try and determine the amount of solids<br />

carried over by the fumes extraction and dust<br />

collection system of the EAF shop.<br />

The monitoring is done at the Precipitation<br />

Chamber and at the Bag House by collecting and<br />

weighing the solids by-monthly. As evidenced in<br />

the figures, it was determined that there is no<br />

distinctive relationship between the amount of<br />

solids in either of the collection points and the %<br />

of DRI in the charge,nor the ratio of hot DRI used.<br />

This confirms that the HYTEMP System does<br />

not contribute to the loss of Fe units in the offgas<br />

of the furnace.<br />

Summary<br />

KNOW YOUR NEW MEMBERS<br />

HARE KRISHNA METALLICS PVT. LTD.<br />

Registered : Survey No. 20<br />

Office & Works Kasan Kandi Road<br />

Village & P.O. Hire Baganal<br />

District Koppal 583 228<br />

Karnataka<br />

Phone : (08539) 264124-126<br />

Fax : (08539) 264122<br />

Email : admin@hkmetallics.com<br />

Annual Capacity : 0.75 Lakh Tons<br />

Contact Person : Mr. Sandeep Agarwal<br />

Managing Director<br />

HI-TECH POWER & STEEL LTD.<br />

Registered Office : 199C, (First Floor)<br />

Main Road<br />

Samta Colony<br />

Raipur (C.G)<br />

Phone : (0771) 4075263/265<br />

Fax : (0771) 4075263/264<br />

Email : mhil-ryp@hotmail.com<br />

Annual Capacity : 0.60 Lakh Tons<br />

Contact Persons : Mr. Ashok Kumar Agarwal<br />

Director<br />

Mr. Binod Kumar Agarwal<br />

Director<br />

As any industrial technology, the demand now is<br />

for better productivity while at the same time<br />

protecting the environment. Use of alternative<br />

fuel and reducing sources, more efficient process<br />

design and new technologies such as the<br />

HYTEMP System, have given Tenova HYL an edge<br />

in today’s strictly regulated iron and steel industry.<br />

MAY-<strong>2007</strong>/36

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