Pulverized coal injection at Hoogovens

Conference · Sat Dec 31 04:00:00 EST 1994

OSTI ID:43041

Paramanathan, B K; Toxopeus, H L ^[1]

---

1. Hoogovens Groep, Ijmuiden (Netherlands)

The Armco/Babcock and Wilcox-type Pulverized Coal Injection (PCI) System, installed at Hoogovens Ijmuiden in 1982/83, consists of two pulverizing lines, each of 30 t/h capacity. Due to the increased demand for pulverized fuel to the Blast Furnaces (Nos. 6 and 7), the PCI system has been revised extensively such that the grinding capacity has been increased, thereby achieving a higher average injection rate to both Blast Furnaces of some 140 kg/THM. The use of soft and dry coals, coupled to modifications to the System, has resulted in an annual consumption of pulverized coal of more than 750,000 tons, some 80% more than that envisaged initially. The installation operates very successfully, downtime having been minimal over the years. Several trials, at high rates of coal injection, have been carried out in the past. The most recent trials, performed over a period of nine months in 1992, showed that smooth and stable Blast Furnace operation was possible even with very high rates of pulverized coal injection (more than 200 kg/THM).

• OSTI ID: 43041
• Report Number(s): CONF-940558--
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
BITUMINOUS COAL
BLAST FURNACES
CAPACITY
COAL PREPARATION
COKE
DESIGN
FUEL CONSUMPTION
FUEL FEEDING SYSTEMS
FUEL SUBSTITUTION
METAL INDUSTRY
NETHERLANDS
PULVERIZERS