Grind Hog - Model 16B - Comminutors - Brochure

MODEL 16B - SPECIFICATION1.0 General SpecificationsTM There will be furnished one (1) only Grind Hog Model 16B Comminutor as manufactured by G.E.T. Industries, Inc. Rotation shall be in a r clockwise (standard) / r counter-clockwise (optional) direction.1.1 Design CriteriaThe comminutor shall be designed to handle the flows indicated below, within the head loss noted.3(a) hydraulic capacity 4.5 MGD (17,000m /day)(b) satisfactory operation shall occur under conditions of zero flow(c) head loss at peak flow shall not exceed 20 inches (500)(d) design shall be such that the flow enters the size reduction and screening device horizontally and exits vertically downward to facilitate the flushing of solids1.2 Casing and Curb RingShall be:(a) of heavy-duty construction and of high quality cast iron(b) machined flat and complete with three (3) holes for anchor bolts(c) of the open type allowing free access for complete cutting bar and shear bar mechanism maintenance and inspection without dismantling the unit1.3 Rotating Drum Screen(a) heavy-duty Cast Ductile Iron ASTM 536, grade 60-45-181.4 Cutting Elements(a) replaceable shear bars constructed of high-quality A2 tool-steel shall be attached to the rotating drum. Each shear bar shall be machined from solid bar stock, surface ground to establish exact tolerances(b) stationary cutting bars (3), shall be of high-quality 01 tool steel hardened to a minimum of 56 Rockwell C, and shall be reversible, allowing for four (4) sets of cutting edges prior to sharpening or replacement(c) all submerged fasteners shall be of stainless steel1.5 MotorTEFC 1.5 Hp. Motor suited to outdoor weatherproof service (IP55) on _____ volt, ____ phase, ____ cycle service. Close-coupled1.6 Drive Arrangementa) the motor shall be close-coupled to a speed reducer drive, a heavy duty planetary gear of the totally enclosed non-vented type suitable for total submergence during emergenciesb) double seals on the output shaft shall ensure flood-proof operation through a reduction ratio of 59:1c) the cycloidal reducer shall be capable of withstanding shock loads to 500% of its mechanical rating of 7.72 Hp. and be warranted for two (2) yearsd) the drive shall have a minimum full load efficiency of 90% and be pre-lubricated with grease, requiring routing maintenance every 500 to 1,000 hoursG.E.T. Industries Inc.Toll Free: (877) 213-7418E-mail: get@grindhog.com 6 Web: www.grindhog.comMODEL 16B - SPECIFICATION cont’d...A) "KWIK-LIFT' WET WELL REMOVAL SYSTEMTMThe Comminutor shall be equipped with a slide rail system which will allow the Grind Hog to be removed without entering the wet well. The guide rails shall be 304 schedule 40 stainless steel pipe, 1.5 inches in diameter, and shall be of adequate length as shown on the drawings. Guide rail support shall be 304 stainless steel and shall be mounted to the wet well wall. All attaching hardware shall be of stainless steel and shall be supplied by the contractor.G.E.T. Industries Inc.Toll Free: (877) 213-7418E-mail: get@grindhog.com 6 Web: www.grindhog.comHYDRAULIC PERFORMANCE CURVE3Capacity 0-4.5 MGD (US) 0-17000 m /dayDrum Diam.14.5 in 36.8 cm2 2Inlet Area 274 in 1767 cm2 2Outlet Area 121 in 780.6 cmSlot Width 0.470 in 12 mmGENERAL DATAHYDRAULIC DATA SHEETIN-CHANNEL MODEL 16B.2 .4 .6 .10 2 4 6Flow Rate Q - Million U.S. Gallons Per Day5101520255075100125.8 1.6 2.4 3.2 4.0 6 8 12 163Flow Rate Q - Cubic Meters per Day x 105040302015108642Liquid Level Differential Dh = h - h Inches12Liquid Level Differential Dh = h - h Centimeters12h = level in intake1h = level in outlet2Dh = head loss across drum (h -h )1 2h = 0 for free discharge2h =02 122 164Drum submerged. Contnuous operation above this line is not recommended in systems where surface debris present.MODEL 16B.88324.6 20G.E.T. Industries Inc.Toll Free: (877) 213-7418E-mail: get@grindhog.com 6 Web: www.grindhog.comIN-CHANNEL MODEL 16B cont’d...DESIGN FEATURESG.E.T. Industries Inc.Toll Free: (877) 213-7418E-mail: get@grindhog.com 6 Web: www.grindhog.comDIMENSIONAL & MECHANICAL DETAILDIMENSIONAL & MECHANICAL DETAIL Page 1 Page 2 Page 3 Page 4 Page 5