Steel industry

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Dehumidifiers in the steel industry

Professional systems for the droplet separation and dry keeping of steel depots alike

In the steel industry there are a range of processes requiring the separation of liquids and the discharge of moisture. One example is the production: chemical losses and emissions are reduced by means of a droplet separation. What is more, a systematic dehumidification protects the plants and important components from corrosion. For storing steel products a certain level of humidity should be observed also, so that corrosion and oxidation cause less trouble for the products. Trotec offers ideal solutions for a fine-tuned drying process in all fields of the steel industry –as permanent systems or hiring models.

When it comes to the reduction of chemical losses and emissions as well as an optimized product storage, it is vitally important to adhere to a low humidity level during the production in the steel industry. An example is the operation of a pickling plant handling chemicals to treat the steel with. Already during the production of the steel products certain humidity values must not be exceeded so as not to compromise the process and in order to protect the partly sensitive machines against the harmful moisture.

This chart illustrates the corrosion of steel

Ideal storage conditions

A low humidity level is also indispensable when storing steel products. Otherwise there is a risk of oxidation and corrosion at the cold surfaces where moisture accumulates, which at worst even renders the products unusable. Steel begins to corrode at a relative humidity of about 50 per cent. If the relative humidity exceeds 50 per cent, the oxidation rate is up to 2000 times higher than with a low humidity level. So, for one thing, you are to avoid the usage of water near storage facilities, and for another, to ensure an active an above all effective dehumidification. This not only serves to maintain the high quality of the metal products, but also to reduce the amount of rejects.

Protecting sensitive equipment and machinery

Besides the stored steel products other equipment such as compressors, turbines and gas turbine filters should also be protected against moisture and consequently corrosion. An inappropriate humidity value affects them badly, for machines love dry air. Unlike humankind machines and production facilities prefer extremely dry air. For that is the only way to avoid the problematic corrosion.

Strong dehumidification partner

Liquid drops accrue wherever gases or fluids are separated. And as a rule they bring about considerable technical difficulties in the production. In order to secure the productivity of entire plants and to prevent an increased reject rate, Trotec provides highly efficient solutions for dehumidification: the stationary TTR industrial desiccant dehumidifiers. Naturally, they also ensure an effective dehumidification of complete storage facilities for an all-round protection of the products from moisture. The humid air is led through a rotor and its hygroscopic surface adsorbs the moisture. The dried air is then released to the storage space.

Current climate values at one glance

To be on the safe side at all times humidity values can be measured quickly and reliably in all areas of a steel plant. The moisture measuring devices and especially the climate data loggers made by Trotec are excellent and precise measuring devices for the determination of climatic details.

Fail-safe: the industrial services team

Which dehumidification performance is required for which sector? Which device version is suited best? Our competent consultants of the Trotec industrial services team can answer these and many other questions you may have. The experts also take care of capacity calculations and will be happy to support you with help and advice regarding the installation. In order to comply with the increasingly stringent directives of the steel industry, it is vital to find the right solution so as not to compromise the profitability of your plant.

TKL – Trotec Rental Division

In order to safeguard your profit-earning capacity in case of machine failures or during temporary peak demands TKL, Trotec Rental Division and Europe’s leading equipment hirer, lends their support with more than 10,000 rental appliances and a quick 24-hour delivery service. You can for instance rent:

In our TKL rental portal you can find rental appliances of all performance classes at a favourable price!

Application examples for the steel industry


Upon request, we also produce customized desiccant dehumidifiers as special models

Upon request, we will readily produce tailor-made desiccant dehumidifiers as special models “made in Germany” perfectly geared to your needs, e.g.:

  • TTR industrial desiccant dehumidifiers with hygienic design
  • TTR industrial desiccant dehumidifiers for PWIS-free dry air
  • TTR industrial desiccant dehumidifiers with extremely low dew point

Makes use of the possibility of having special models with tailored components for your individual needs planned, designed and manufactured in close consultation with our specialists.
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Trotec products for the steel industry