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Dehumidifiers protect cargo and ships’ holds
Saving time and maintenance cost through drying
The relative humidity of ships’ holds is always particularly high at sea: It amounts to up to 95 per cent. That is why hygroscopic cargo such as paper and print products, electronic parts, textiles and corn may be damaged. Humidity reduction in ships’ holds is thus the first priority. Not only prior to loading and during transport, but also after cleaning.
There is only one remedy for mould, microbial contamination and corrosion on cargo and ship: to supply constantly dry air with a humidity suitable for the cargo into the ship’s hold. To achieve reliable results, the dehumidification system must have been planned professionally.
Target values for the inside of ships: 40 to 60 per cent humidity depending on the cargo
For storable corn, relative humidity must be 65 per cent, for example. For paper and print products, relative humidity between 40 and 55 per cent is required for the goods to arrive well. To avoid any bacterial growth and lumping, we recommend not to allow any more than 50 per cent humidity. Non-protected steel components of the ships’ holds as well as points where the protective layer has been damaged corrode at 65 per cent humidity and above. The tamper-proof DL data loggers of the Trotec measurement technology range allow precise and reliable monitoring of the required humidity and all other climate values.
Dehumidifiers of the TTR series: Suitable for offshore applications due to high-stability silica gel rotors
The compact mobile desiccant dehumidifiers of the TTR series are the perfect dehumidifiers for offshore conditions in ships. They can also be used for rapid drying of the holds after cleaning with water or sandblasting in the shipyard. It is obvious why they are the perfect solution for such applications: The TTR functional principle with separate supply of process and regeneration air ensures great capacities and economic efficiency. All TTR desiccant dehumidifiers are equipped with washable and reliable high-stability silica gel sorption rotors. The TTR devices have an operation range from -15 to +35 °C. They keep operating even at 100 per cent relative humidity and can be stacked. The mobile TTR devices are available in different performance classes for dehumidification of holds of different sizes: In ships, TTR 200 up to TTR 500 D are often used. Apart from that, TTR stainless steel dehumidifiers are particularly suitable for use in ships and shipyards.
Best for use in ships: Corrosion-resistant stainless steel dehumidifiers
The TTR 250 HP is a special stainless steel dehumidifier for particularly long distances for air removal as they are typical for ships: Not only is the corrosion-resistant desiccant dehumidifier equipped with the standard radial fan, but also with an additional extra-powerful fan motor for particularly high compression. Integrated heat recovery, self-regulating PTC heating, ampere meter to control the operating condition and operating hours counter are further convincing features.
Stationary industrial desiccant dehumidifiers also available as mobile solution with lifting lugs
If larger dryers with a higher dehumidification performance are required for dehumidification in ships, the stationary TTR 800 and TTR 1400 can be equipped with a frame to obtain a mobile solution. There are lifting lugs on the frames so that the dehumidifiers can be easily brought on board for temporary use after cleaning, for example. For hygiene-sensitive cargo, they are also available as stainless steel models.
Which dehumidifier for which hold? Contact us for consultation
The Industrial Services department of the Trotec Group makes the conception of dehumidification in ships or shipyards easy for you: Just contact us so we can find out which dehumidifiers have the right capacity for the dehumidification application in question.
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:
- Dehumidification units such as desiccant dehumidifiers or industrial dryers
- Heating devices e.g. electric heaters or oil heaters
- Air conditioners, humidifiers, air purification units and odour neutralisers
- Fans, also with Ex-protection, or wind machines
- Thermal imaging cameras
In our TKL rental portal you can find rental appliances of all performance classes at a favourable price!
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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