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Iron & Steel Industry
Though you might not realize it, dry compressed air is used in every manufacturing unit in the Steel industry.
Use of Compressed Air in the Steel Industry
In Steel manufacturing units, generally, the following Compressed air powered pneumatic machines are used:
- Jolt squeeze turnover machines
- Bundling machine for semi-finished products
- Pneumatic control and actuators
Applications
- Ash Handling System
- Injection molding
- Coolant for hot tools and system
- Assembling station powering
- Spraying
- Welding
- Tool powering
- Feeding of metal sheets
- Conveying
- Carbon reduction in steel production
Problems
A major problem in compressed air systems is the presence of water, dust particles, oil (oil particles are introduced by lubricated air compressors), and solid contaminants, which can adversely affect air quality.
If the contaminated compressed air is used through compressed air-powered pneumatic tools and machines, then there will be the following problems :
- Malfunctioning of pneumatic tools and machines
- Sluggish and inconsistent operation of valves and cylinder
- Corrosion in pipelines, cylinders and other components
- Increase in downtime
- Increase in maintenance cost of pneumatic machines/tools/controls.
- Freezing in exposed lines during cold weather.
The Delair Solution
Remove water, dust particles, oil (lubricated air compressors introduce oil particles), and solid contaminants from compressed air.
Delair offers a wide range of refrigeration and adsorption dryers that remove water/moisture from compressed air.
Delair Refrigeration Dryers
This dryer operates on the method of cooling the air to near freezing point to remove the moisture and reheating it to approximately 10°C below the incoming compressed air temperature at nominal conditions.
Delair Adsorption dryer
The dryer is based on the principle of heatless regeneration and the physical properties of the desiccant to adsorb and desorb water vapour. It uses the pressure swing principle / purge air to regenerate the desiccant bed.
Filters
Delair also offers Pre Filters and Oil Filters, which remove dust particles, oil particles and other types of solid contaminants present in dry air.
Frequently Asked Questions
1. Where is compressed air used in the steel industry?
Compressed air supports several steel manufacturing operations, including pneumatic tool powering, descaling and spray cooling, welding, pneumatic feeding of sheet stock, material conveying, and pneumatic control systems. Reliable compressed air for steel industry applications helps keep these processes operating consistently.
2. What problems can contaminated compressed air cause in steel manufacturing?
Water, dust, oil, and solid contaminants can cause pneumatic tools and machines to malfunction, make valves and cylinders operate inconsistently, and contribute to corrosion in pipelines and components. These issues can also increase downtime and maintenance costs.
3. What type of dryer is suitable for a steel plant compressed air system?
A refrigeration dryer for steel plant applications can remove moisture by cooling compressed air to near its freezing point and then reheating it. For applications requiring a lower dew point, adsorption dryers can provide additional moisture removal for Instrument air quality .
4. What air treatment solutions does Delair offer for steel mills?
Delair provides an air treatment solution for steel mill applications that includes refrigeration dryers, adsorption dryers, pre-filters, and oil filters. These systems help remove moisture, dust, oil, and solid contaminants, supporting cleaner and more reliable compressed air. Delair’s solutions can also support a dry air system for iron manufacturing where moisture control is important.
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