1 each - Portable 4 Bin Blending Hopper complete as follows:
a. Each hopper is 9’-6” wide x 14’ long with 20 tons storage capacity constructed from 1/4” thick steel plate with rectangle tube reinforcing at the hopper top and angle iron reinforcing at the hopper mid-section and bottom section; self-relieving tapered hopper bottom opening to minimize bridging; full length skirtboards with Hercules 3/4" x 6" adjustable rubber flashing to prevent leakage between hopper bottom and belt feeder; adjustable discharge gate with hand crank to control material flow from each hopper.
b. Each belt feeder is 30” wide x 8’ long with 5 h.p. electric motor and Nord helical bevel right angle gearbox; 12” diameter rubber lagged head pulley mounted on Dodge 2-7/16” SCM pillow block bearings; 12” diameter self-cleaning tail pulley mounted on Dodge 2-3/16” SCM pillow block bearings; screw take-up assemblies; CEMA “C” flat belt idlers with 5” diameter rolls mounted on close centers; 3 ply vulcanized endless conveyor belting. Belt speed setup for 90 fpm.
c. Collecting conveyor is 36” wide with 15 h.p. electric motor and Nord helical bevel right angle gearbox; 16” diameter rubber lagged head pulley mounted on Dodge 2-15/16” SCM pillow block bearings; 14” diameter self-cleaning tail pulley mounted on Dodge 2-7/16” SCM pillow block bearings; screw take-up assemblies; tail terminal guard; head pulley nip guards; CEMA “C” 35 degree troughing idlers with 5” diameter rolls; CEMA “C” return idlers with 5” diameter rolls; 2 ply conveyor belting with 3/16” x 1/16” rubber covers; Flexco 140 mechanical belt splice; 9’-6” long conveyor extension beyond the hoppers. Belt speed setup for 350 fpm.
d. Portable trailer constructed of heavy duty wide flange beams which are braced for optimum rigidity; wide flange vertical beams and square tube cross members tie all hoppers and trailer together; tandem axle chassis with dual 11 x 22.5 tires, air brakes, king pin, rear lighting, mud flaps and blocking pads. Includes one set of hand crank landing legs at the king pin.
e. One rust inhibitor prime coat and one finish coat gray paint for all equipment; one finish coat safety yellow paint for all guarding.
f. Electric motor control panel with main disconnect, AC Tech SMV variable speed drives for each belt feeder, fixed speed starter for 15 h.p. collecting conveyor motor, circuit breaker branch circuit protection, control power transformer, start/stop push buttons for each motor, speed potentiometer for each belt feeder, emergency stop button, selector switch for each belt feeder to run only the desired belt feeders for special blends, all mounted in a NEMA 4 enclosure; includes wiring from each electric motor to the control panel; skid mounted support structure bolted to trailer frame.
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