OBIAL - Altuntaş A.Ş.

Flat Bottom Silo

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OBIAL conical bottom grain storage steel silos can be used for multiple purposes. Conical bottom steel silos’ conical bottom angles are produced at 45-65 degrees according to the type and flow characteristics of grain to be stored. Conical bottom steel silos can especially be used in animal farms handling storage operations of various types of grains, and in facilities including feed and flour mills. They are also optimum for short-term and temporary grain storage. Side wall sheets, suspension supports and access doors of all OBIAL conical bottom silos are made up of zinc-plated steel sheet. Steel, due to its structural characteristics, is very resistant in conical bottoms. OBIAL offers you conical bottom steel silo options in various sizes and capacities from 2,11 m to 10,83 m.

High-quality zinc-plated metal sheets used in silo production resist 450 MPA and are corrosion-resistant. The custom produced metal sheets used in the production of our silos have a zinc plating standard of 450 gr/m2 and 350 gr/ m². The zinc plating ratio changes according to customer demands. OBIAL offers difference silo options, including flat and conical-bottom silos, starting from a diameter of 4.51 m diameter to 31.60 m.

To be able to carry the vertical loads on the silo, vertical suspension supports mounted on the silo surface are used to yield maximum strength. OBIAL vertical suspension supports perfectly distributes the pressure put by the grain in the silo on the side walls of the silo over the bottom of the silo.

To ensure maximum strength at all joints in OBIAL steel silos, Dacromet 500A coated bolts, grade 8,8, are used. To make the silos airtight and waterproof, special sealing elements are used on metal sheets on the silo frame and on the joints of upper roof.
There are safe access doors that can be easily opened and closed on the second floors, and observation lids on the roofs of all OBIAL silos. The silo access door has two layers; the outer layer is made up of a single piece of zinc-plated sheet, and the inner layer is made up of two doors placed one on top of the other. If the grain fill-level of the silo has gone up the access door on the silo side wall, the observation lid on the roof allows access into the silo.

In all OBIAL silos, there are inner stairways to enter the silo, a safety cage external stairway to access silo observation lid on the outer surface of the silo, and a platform to rest. And there are double-railing and safety roof stairways on the roofs to be able to reach the top point of the silos starting from the eaves.

OBIAL silo roofs are among the strongest silo roofs worldwide. OBIAL silo roofs are designed to resist the loads from upper roof conveyance equipment, snow loads, wind loads and the weight of temperature cables. The slope of the 30 degree silo roofs ensures an optimum fill level for the silos. To reinforce the strength and endurance of the upper roofs of wide grain silos, they are designed as cages using special cross-section profiles. The strength of the silo roof is maximized thanks to this architecture.
The temperature command system used in OBIAL silos allows us to identify hot spots and insect activities, freeing our customers from reinstalling the grain conditions on the screen. The OBIAL temperature command system consists of temperature cables, temperature sensors installed inside the cables to measure the grain temperature, and portable or stationary temperature screens. There are special steel ropes inside the temperature cables, protecting the cables against elongation. The temperature command system is aligned with the PLC to allow for controlling the grain temperature inside the silos via the PLC screen.

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