RK ROTOKILN.INCOAL-BASED DRI KNOWLEDGE PORTAL

PRACTICAL KNOWLEDGE.

BETTER DRI OPERATIONS.

Technical articles, troubleshooting, engineering calculations and on-demand support for coal-based DRI plants.

Explore Articles Solve My DRI Problem
Popular: Ring Formation FeM Coal Consumption ESP Retention
◉

Rotary Kiln Operations

Kiln profile, zones, feed and discharge
◆

Raw Materials

Iron ore, pellets, coal and dolomite
▥

Process Control

Parameters, strategy and monitoring
▤

ESP & Waste Gas

Operation and troubleshooting
◌

Rotary Cooler

Cooling and char separation
⚙

Troubleshooting

Problem-focused guided analysis
◫

Guided Chat

Describe your DRI problem naturally
▦

Calculators

Engineering calculations and tools

Latest Articles

View all articles →

Ring Formation Near Outlet Cone

Causes, identification, corrective action and prevention.

Kiln Operations

Coal Injection Optimization

How injection balance affects temperature, metallization and coal use.

Process Control

ESP Tripping — Causes & Checks

Electrical, process and mechanical checks.

ESP & Gas

Low FeM — Why It Happens

Likely causes, diagnosis and corrective approach.

Troubleshooting

Engineering
Calculators

Practical calculations for production, reduction, filling, retention and air-related checks.

View Calculators
▦

DRI Production

Feed × observed yield with daily totals.
C

C/Fe & Carbon

C/Fe, Coal/DRI and carbon input.
◉

Filling Degree

Geometry, hold-up and bed volume.
↔

Retention

Physical retention and related checks.
⇄

Specific Air

Air per tonne feed or DRI.

HAVING A PROBLEM

IN YOUR PLANT?

Select the issue, enter only relevant data, and let Rotokiln calculate and guide you.

Solve My Problem
✓ Relevant Inputs Only✓ Hidden Calculations✓ Practical Checks

GUIDED CHAT

Chat with Rotokiln

Describe the problem in natural language and get routed to the correct troubleshooting workflow.

Open Chat →

DEDICATED SUPPORT

Expert Technical Service

For complex cases, send complete operating data directly for a focused technical review.

Request Service →

Why Rotokiln?

◉

Real Plant Perspective

Practical operating focus.

▤

Technical Articles

Structured knowledge for DRI professionals.

▦

Hidden Calculations

Engineering logic runs behind the solver.

↗

Problem Solving

Issue-focused troubleshooting workflows.

◌

Expert Service

Dedicated support for complex cases.

⌂

Safety First

Site procedures always take priority.