2018 TOPDRY GRAIN DRYER
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EFFICIENT GRAIN DRYING + STORAGE TOPDRY GRAIN DRYER

PROVEN & DEPENDABLE The demands of farming are never-ending. The risks are high. And, at harvest, every second counts. The window of opportunity to harvest at optimal moisture levels for long-term storage and profitability is narrow. At GSI, we help farmers like you take advantage of early harvest to maximize your profitability with efficient, high-capacity grain dryers. Harvesting early maximizes your grain quality and income potential by reducing the chance that harsh weather conditions will damage stalks or cause eardrop. In comparison to having your crop dry in the field, drying your...

TOPDRY GRAIN DRYER THE TOPDRY GRAIN DRYER ADVANTAGE With the GSI TopDry Grain Dryer, you get the best of both worlds – a highly efficient grain dryer with the added benefit of grain storage up to 32,549 bushels. TopDry’s proven design utilizes a grain bin with the addition of a peaked drying floor inside the top of the bin. The grain flows into the top of the bin where special leveling bands keep the grain at a uniform depth without requiring a leveling device, while the pitched floor of the dryer provides increased surface area for maximum drying capacity. A large fan and heater unit dry a...

AUTOFLOW TOPDRY The AutoFlow floor has a series of leveling bands that provide declining grain depth as the grain moves to the outside of the bin. HOW AUTOFLOW TOPRY GRAIN DRYING WORKS Step 1. One or two fan(s) and heater(s) force hot air through varied depth layers of wet grain in the drying chamber directly or through ductwork. Step 2. Outside air from the cooling fan captures heat from previously dried grain and is then reused in the continuing drying process. Step 3. When the grain has dried to a predetermined temperature, the actuator opens the dump chutes automatically, letting 1/4 of...

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MANUAL BATCH TOPDRY In a Batch TopDry, the grain depth never exceeds 32" while drying. Once dried, the grain is dumped into the holding area below for storage. A smaller cooling/aeration fan captures heat from the previously dried grain and pushes it upward to help dry the next load. HOW BATCH TOPRY GRAIN DRYING WORKS Step 1. One or two fan(s) and heater(s) force hot air through an even layer of wet grain in the drying chamber directly or through ductwork. Step 2. Outside air from the cooling fan captures heat from previously dried grain and that heat and aeration air is used to help dry...

Visit www.grainsystems.com to find your local GSI Dealer

INTERIOR FEATURES TopDry offers many features and accessories that provide additional convenience, reduce maintenance and operation costs and produce quality grain-drying results. Gravity moves the grain and fines so they are not concentrated in the center. Perforated eave flashing around the outer edge of the upper floor improves airflow in this critical area. Leveling bands maintain even grain depth. Strategically-located, sealed, graintemperature sensors monitor and provide moisture control. Industrial rotary switches mounted in the bin wall and roof indicate drying and storage chamber...

TOPDRY GRAIN DRYER EXTERIOR FEATURES TopDry’s exterior is designed to stand up to tough weather conditions while offering easy access for maintenance and operation. Flatop three vent assembly mounts like a traditional Flatop, providing a strong base for downspout support while allowing physical access and full vent opening with the peak closed to weather. High-mount roof vents can be used as an alternative if the peak cap must be closed and the Flatop three vent assembly can’t be used. The Auto-Vent is a revolutionary concept in vent design, eliminating any restriction from a screen or...

TOPDRY HEATER AND FAN UNITS TopDry fans utilize a high-efficiency, lightweight, composite blade for reduced motor stress at startup. A clear-view panel on the side of the housing provides easy access to the burner for igniter and flame probe adjustment or burner inspection. A standard durable vinyl fan cover completely encloses the fan opening, preventing weather or unwanted material from entering the bin. TopDry fans and heaters are available in 36" dia. (15 HP) through 42" (40 HP). All single-phase TopDry fans have blades that prevent them from rotating backwards. GSI announces a new...

TOPDRY GRAIN DRYER Before storing, grain must be dried down to the proper moisture level. It must then be cooled and maintained through aeration for long-term storage. The TopDry's design allows this aeration air to also be used as additional drying air while reusing all the heat removed from the dried grain. The aeration fan will be working against the static pressure of both the stored grain and drying fan(s). It is important that the airflow remain even no matter how much grain is in the storage chamber, so GSI uses only Centrifugal fans for aeration. Both Inline and 1750 RPM Centrifugal...

EASY ACCESS UPPER ACCESS All TopDry bins feature a large one-ring access door in the second ring from the top. The door offers access for monitoring grain stored in the TopDry bin. Large platforms provide a stable work area for monitoring or servicing the crop dryer units. LOWER STORAGE ACCESS GSI’s walk-in doors provide easy entrance to the storage area. Specially designed lever latches multiply the inner door opening force by 20 times to counteract friction set from grain loads, requiring no use of wrenches or tools. The outer door cover swings completely open with the door cover holdback...

STORAGE CAPACITIES AUTOFLOW GRAIN IN PROCESS (BU) PEAK HEIGHT BATCH EAVE HEIGHT Maximum storage estimated with 12" aeration floor, level to bottom of fan entrance, with upper batch filled. Visit www.grainsystems.com to find your local GSI Dealer

BATCH SERIES TOPDRY CAPACITIES BATCH TIME HOURS BATCH TIME HOURS PLENUM TEMP MOISTURE CONTENT WET BASIS 20% BATCH TIME HOURS BATCH TIME HOURS BATCH TIME HOURS * Insufficient burner BTUs for 45 deg. ambient temp Batch Capacities exclude loading time. Final moisture 15% after complete cooling. Estimated at 45 deg. F. ambient temperature, 65% relative humidity. 1/3 CFM/Bu. Cooling Rate. Capacities listed are wet bushels/tonnes, for mature unfrozen #2 yellow shelled dent corn at listed moisture content and are estimates based on drying principles, field results and computer simulation. Variance...