Insulated Grain Storage Silos is not a new concept. In fact, metal-coated steel silos with insulation on its outer surface for grain storage are used in many countries all over the world, especially in regions where preserving the quality and longevity of stored grains is crucial. Some of the countries where insulated steel silos are commonly used include the United States, Canada, Argentina, Brazil, Australia, China, and various European countries.
The idea is basically to increase the longevity of grain without any further deterioration of the quality of grain during storage. In order to achieve this objective, grain storage people are using Grain Chillers. Grain chillers are used to reduce the temperature of grain to 18 degrees or below to get the advantage of near-zero infestation, reduce moisture migration and maintain moisture levels to reduce quality deteriorations and increase the shelf life of grain.
However, chilling grain to 15 degrees and maintaining it at that temperature inside a steel silo is an expensive affair because steel silo surfaces are exposed to solar heat and due to this, the temperature inside silos keeps on increasing and thus more cooling energy is required to bring the temperature back to 15 degrees. This increases the overall storage cost of the grains. Hence, to avoid this increased cost of re-chilling, Insulated steel silos are largely being used which considerably reduces or eliminates the requirement of re-chilling of grain.
Advantages of Famsun Make Insulated Silos
Famsun is a globally reputed silo manufacturing company that provides integrated & turnkey solutions in
1. Grain Storage Terminals
2. Feed Mills
3. Oil Seed processing
4. Modern Agriculture
5. Animal Farming
Famsun has 7 Manufacturing Facilities world over and 5 R&D Centres worldwide. Famsun has more than 1360 patents and all of Famsun's equipment is CE and ATEX certified. Famsun makes Insulated Steel Silos are highly effective in maintaining a controlled atmosphere inside the silo to preserve the quality of grain. It helps solve many problems as follows.
1. Energy Efficiency: Insulated Steel silos are highly energy efficient and ensure that the temperature inside the silo is maintained for a long and thus saving a lot of power costs by reducing the need to re-chill the grains to a large extent.
2. Reduced Moisture Migration: Insulated silos keep the temperature maintained uniformly inside a silo, which prevents moisture migration and condensation problems. This impacts positively grain marketability and profitability
3. Infestation: Insulated silos stop frequent fluctuation of the temperature inside the silo and help in keeping the temperature uniform at 15 degrees or lower for long, which helps to prevent spoilage, mold growth, and insect infestations. This results in zero fumigation requirements and keeps the grain chemical-free.
Construction of Famsun Make Insulated Silos
Famsun makes Insulated Steel silos that are innovatively designed and precisely manufactured to ensure significant savings in terms of reduced grain losses and operational costs over time. A key feature of Famsun Make silos are as follows.
1. Famsun uses polyurethane foam (PUF) which is the best insulation material in the industry, as the insulation layer of silos.
2. Molded polyurethane foam has good heat insulation, water resistance and aging resistance capabilities. Besides polyurethane foam has good adhesion to concrete, wood and steel plates.
3. Famsun uses wooden skeletons as thermal insulation support parts to block the inner and outer steel plate's thermal conductivity. Besides, the support parts are soaked with hot asphalt for about 1 hour, in order to sterilize and make it insect and corrosion-free.
4. Sidewall sheets are insulated with polyurethane spray which ensures perfect sealing.
5. Internal and external surfaces of the silo roof are insulated with 50-100 mm thick insulation layer.
Author: PK Bhardwaj, Domain Expert in Grain Storage, Handling & Processing, Organization: Famsun Co. Ltd.. E-Mail: pk.bhardwaj@famsungroup.com
Source: Email/GFMM
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