I am working on a project wherein we plan to inject a mix of

Ferro-Silicon and Coal powder into BOF liquid slag through top

injection lance.

We have an inquiry and need manufacturer names for obtaining

quotation for powder injection system.

Following is the technical specification of the required ID (injection dispenser):

Bulk Density of injectant: 2.09 gms/cu. cm

Particle Size of the injectant : -1 mm (- 30 mesh ~75%)

Rate of injection : 130 kg/min

Qty of Injection : 2 tonnes at a time

Frequency of operation: 2 times a day

Pressure : Injection against a pressure

head of 2 m liquid slag column

(approximately - 3.4 m of water column)

+ resistance caused by the

viscosity of the BOF slag at 1500 deg C

Conveying media: Nitrogen

Temperature of the bath : 1650 deg C of liquid BOF slag

Suppliers are asked to submit techno commercial offers for the same.

Regards

A.K.Das

rndhir@jsr.tatasteel.com ■