Water treatment plant

SMS group has decades of experience in the construction of water management systems and offers comprehensive solutions in all areas of metallurgical plant and rolling mill technology.

We specialize in equipment for raw water treatment through cooling and process water circuits, right up to waste water treatment and water recycling. We take care of the necessary steps throughout all phases of the project: from the planning, delivery, and erection, right up to the commissioning and performance tests.

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Our special focus is on developing customized plant and equipment which we define jointly with our customers. To achieve this, we provide studies and audits in existing water management systems in advance. Whether it’s identifying potential savings, improving performance, or ensuring long-term environmental protection – SMS group is on hand with advice and support for all your needs.

Tailor-made water supply and treatment
Water management systems
Main data

The water management systems are tailor-made to the capacity of the production lines and operate with a high degree of cost-efficiency.

Laminar cooling
Steelmaking plants

Continuous casters

Secondary metallurgy

CSP^® plants

Hot rolling mills

Cold rolling mills

Strip processing lines

Rolling mills for copper and aluminium

Tinplate mills
Direct and indirect cooling
Primary and secondary circuits

Depending on the local situation, the cooling water systems can be designed either as primary or secondary circuits (e.g. seawater circuits, cooling of emulsion circuits or of rolling-oil circuits). Depending on the production process, a distinction is made between direct or contact cooling (contact with the process) and indirect or non-contact cooling (heat exchanger). SMS group can furnish perfected solutions for both options.

Cooling tower for direct and indirect cooling
Water and wastewater treatment
Depending on the production process

In conjunction with the cooling systems, all additional units belong to the range of supplies of SMS group:

Units for filter sludge treatment

For the treatment of make-up water

Boiler feed water, industrial water

For wastewater Treatment

For utilities distribution

Wastewater treatment

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Water saving systems
Recycling and reduced evaporation

Innovative concepts for optimizing water consumption for cooling circuits and for the whole process water chain from production to treatment.

By using a dry cooling system and/or adiabatic cooling tower, a maximum of up to 100% make-up water, adapted to the cooling task requirements, can be saved with a simultaneous rise in the cooling water temperature. However, this depends to a large extent on the climatic conditions at the installation site.

River water-cooling water heat exchanger

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Zero liquid discharge
Reduced fresh water supply

Given the shortage of water resources and the increasing costs for water treatment and waste water disposal, the demand for new recycling technologies is rising.The subject of reducing waste water volumes to the point where waste water can be avoided entirely, as well as the multiple use of treated waste water, is the most discussed topic in water management in the steel industry.

At the same time, ‘zero liquid discharge’ (ZLD) concepts are being considered for individual branches of industry for a variety of reasons. When it comes to their implementation, however, priority is given to economic factors. The degree of implementation depends on the economic and ecological boundary conditions. From the treatment of the available water using measures integrated into the production process – up to waste water treatment – ZLD applies to the entire process chain.

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Benefits

Decrease of the raw water consumption by 75-80%

Especially recommended for arid areas

Means of choice with high environmental credentials
Desalination
Project WEISS: Modular desalination with up to four stages

Water will become increasingly scarce and more expensive all around the globe. The resulting water shortage will hence have a growing impact on the production capacities in steelmaking plants in many parts of the world.

SMS group - in collaboration with other project partners - has developed a new process for water recovery. In order to offer a solution to plant operators who are facing or will face temporary or even permanent water shortages, SMS group has developed, within the scope of the WEISS joint project, a cost-efficient process to recover water from blowdown water.

Pilot plant with 3-stage desalination of blowdown water at Deutsche Edelstahlwerke in Hagen (Germany).