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Proven Technology, High Capacity Commercial Grain Drying

The continuous-flow BROCK® Commercial Tower Grain Dryer offers drying capacities ranging from 2,500 to 10,000 bushels (63.5 to 250 metric tons) per hour. It incorporates some of the best qualities of Brock’s proven MEYER ENERGY MISER™ Tower Grain Dryers while also adding some new features.

The BROCK Commercial Tower Dryer design focuses on top quality and energy-efficient grain conditioning as well as offering user conveniences.

Drying Capacities
2,500-10,000 bushels (63.5-250 metric tons) per hour


Features
Highly Efficient Grain Drying for Commercial Operations

Commercial Burner
A high-capacity, low-emission Maxon® burner is standard on BROCK Commercial Tower Dryers. The commercial-grade burner features a cast aluminum manifold to help reduce orifice corrosion and maintenance. Brock’s unique application of centrifugal fans allows the square burner to be mounted in a square duct and provides uniform airflow across the complete burner surface for efficient combustion and even heat mixing. The generous length of duct above the burner further enhances the temperature balance from the top to the bottom of the heat plenum.

Maxon trademark is not owned or licensed by CTB and is the sole property of its respective owner.

Double-Wide, Double-Inlet Centrifugal Fans
Double-wide, double-inlet (DWDI) centrifugal fans were an easy first choice for the BROCK Commercial Tower Dryers because they deliver more air while using less horsepower. This method of delivery promotes uniform, efficient movement of heated air. The twin-fan unit also offers easy access to motors for servicing as needed.

Unobstructed Grain Columns
Fresh air along with electrical conduits and gas piping enter at the bottom of the dryer and not through the grain columns. This promotes even grain flow and efficient drying. Air inlet louvers are adjustable to control the volume of cool air entering the dryer.

Variable Width Grain Column
A narrower width column is employed at the top of the dryer to help increase the air flow on the wettest grain to start the drying process sooner.

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Clean Dryer Operation

Stainless Steel Screens
Stainless steel screen perforations are used in two sizes .078 and .062 inch (1.98 and 1.58 mm) to help confine particulates for cleaner dryer operation.

Self-Cleaning Plenum Floor
Brock’s unique, self-cleaning heat plenum floor minimizes particulate accumulation by recirculating it back into the grain for safe operation and reduced cleaning maintenance.

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Gentle Grain Unloading System

Brock’s advanced Circular Drag Grain Unloading System (patented) evenly meters the grain from the grain columns and gently delivers it to the unloading point at the perimeter of the dryer.

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Other BROCK® Commercial Tower Grain Dryer Features

Easy Access and Service
Ample clearance under the dryer offers easy walk-through access and generous space for auxiliary equipment.

Commercial Plumbing
Commercial block and bleed gas train is standard with high and low gas safety switches.

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Easy-to-Use Advanced Electronic Controls

Brock’s advanced INTUI-DRY™ Dryer Controller is standard and automatically regulates the drying process.

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TrueGrain™ Moisture Sensor System for Precision Grain Drying

With the TrueGrain™ Moisture Sensor System from Brock, grain is diverted through a vertical chamber at a constant speed using a metering wheel. This uniform sensing area prevents fines and condensation from accumulating which could distort measurements.

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Specifications
BROCK® Commercial Tower Grain Dryer:
Dryer Specifications Drying Capacity Dryer SpecificationsDrying Capacity

Commercial Tower Dryer Specifications

ModelsBCT2500BCT3000BCT3500BCT4000BCT4700BCT5000BCT6000BCT7000BCT10,000
Height69 ft 2 in. (21.08 m)80 ft 9 in. (24.61 m)88 ft 7 in. (27.0 m)100 ft 3 in. (30.56 m)111 ft 10 in. (34.09 m)105 ft 10 in. (32.26 m)113 ft 7 in. (34.62 m)121 ft 4 in. (36.98 m)131 ft 1 in. (39.95 m)
Diameter18 ft (5.49 m)18 ft (5.49 m)18 ft (5.49 m)18 ft (5.49 m)18 ft (5.49 m)24 ft (7.32 m)24 ft (7.32 m)24 ft (7.32 m)30 ft (9.14 m)
Grain Column Widths12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)12.75 & 10.75 in. (324 & 273 mm)
DWDI Blower (Qty - Horsepower)2 - 50 hp2 - 60 hp2 - 75 hp2 - 100 hp2 - 125 hp2 - 100 hp2 - 125 hp2 - 150 hp4 - 100 hp
Heat Holding Capacity1,227 bu1,876 bu2,200 bu2,525 bu2,875 bu3,690 bu4,129 bu4,367 bu6,061 bu
Cool Holding Capacity526 bu701 bu701 bu876 bu1,052 bu1,187 bu1,187 bu1,424 bu1,797 bu
Total Grain Holding Capacity2,716 bu3,540 bu3,864 bu4,364 bu4,890 bu6,728 bu7,167 bu7,642 bu10,726 bu
Drying Airflow122,740 CFM152,576 CFM174,274 CFM201,772 CFM221,504 CFM269,750 CFM306,482 CFM344,376 CFM457,952 CFM
Max Burner Capacity (1,000 BTU/HR)27,00232,95637,64343,58347,84558,26666,20074,385100,749
Typical Burner Capacity (1,000 BTU/HR)13,32017,70020,90024,00026,00030,30036,30040,10057,427
Unload Motor (Qty - Horsepower)1 - 7.5 hp1 - 7.5 hp1 - 7.5 hp1 - 7.5 hp1 - 7.5 hp2 - 7.5 hp2 - 7.5 hp2 - 7.5 hp2 - 7.5 hp

Drying Capacity* – Wet Bushels Per Hour

ModelsBCT2500BCT3000BCT3500BCT4000BCT4700BCT5000BCT6000BCT7000BCT10,000
Corn 20% to 15%2,5003,0003,5004,0004,7005,0006,0007,00010,000
Corn 25% to 15%1,5001,8002,1002,4002,8003,0003,6004,2006,000

Note

*Drying capacity will vary depending on outside temperature, humidity, crop variety, foreign matter, test weight, etc.
Literature

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