WASTE TREATMENT PLANT CRANES (WTC) with electro hydraulic or mechanical grab

Type of cranes according to the seizing element operation mode Electro hydraulically driven cranes The orange peel grab or the grab are driven by an electro - hydraulic unit, consisting on an electric motor, a pump and hydraulic valves, which supply oil under pressure through duly protected hoses, to the cylinders operating the teeth or shells. All this units are integrated on the orange peel grab or grab body. The orange peel grab or grab’s electric supply is carried out through a spring reel or motorized cable reel, depending on the lifting/lowering travel and speeds. Nowadays, most of the...

Working cycle definition Starting basic data Capacity of installation (t/h) Orange peel grab / grab volume (m3) Material density (t/m3) Useful working time per hour (minutes) = (60’ - waste homogenizing time in the pit.) Number of manoeuvres per hour (cycles/hour) Time AVAILABLE per cycle (seconds/cycle) Average travel and traverse ranges Average of lifting and lowering (m) = H1 + H2 + 2/3 x pit H H1 = Height between the pit’s upper part and the hopper’s upper part. H2 = distance between the closed and lifted orange peel grab and the hopper upper part. It is advisable that H2 >= 1 m. Pit H =...

Selection tables Cranes with an electro hydraulic grab Type of Gear Box Orange Peel Grab or Grab m3 * Our experience shows that, for this type of installations, it is advisable to use high working groups as M7 or M8. Some references Company DRAGADOS OBRAS Y PROYECTOS - MELILLA U.T.E. PLANTA R.S.U. PINTO - MADRID MASIAS RECYCLING - CHINA ANDRITZ - SWITZERLAND VERTRESA - MADRID Cranes with mechanical grab Type of Gear Box GHG GHI GHJ Orange Peel Grab or Grab m3 * Our experience shows that, for this type of installations, it is advisable to use high working groups as M7 or M8. VIROEX - USURBIL These...

Electric wiring systems standardized by GH for waste treatment plants cranes Wiring systems diagram WTC (Waste Treatment plant Cranes) EOT CRANE ELECTRIC CABINETS IN ELECTRICAL ROOM (CCM) ELECTRIC CABINETS IN EOT CRANE GH-BUS System GH-WE System Waste management automated systems Steps to follow for a WTC project definition The first thing to know is the location of the electric cabinets. For that issue, there are two possibilities, the decision is up to the customer and must be defined by them. 1.- Electric cabinets in a conditioned electrical room (CCR). In that way, the only thing we have...

Installation systems (CCR/Crane Control Room) Electrical cabinet in a separate electrical room Fixed power and control wiring system installation, from the switchboard (CCR) up to the end of the bay at the rail height of the overhead travelling crane, through a conduit on trays or grids. Fixed control wiring system installation from the electric cabinet up to the control station, through a conduit on trays or grids. Fixed installation of the cables of emergency stops from the electric cabinet up to the hoppers, through a conduit on trays or grids. Mobile power and control wiring installation...

Installation Systems (GH-BUS) Electric panel on EOT crane Power supply mobile installation (3x400v+PE) from the bay end at the rail height, to the EOT crane. Communication bus between the EOT crane PLCs in the control station and the emergency device through festoon system. Fixed wiring installation, from the bay end at the rail height, to the communication bus control station between EOT crane PLCs, from the control station and the emergency device, through conduit on trays or grids. Profibus field bus with absolute encoders. Instant weight display panel, accumulated weight by shift, EOT crane...

Installation systems (GH-WE) Electrical panel on the EOT crane Shielded conduit installation for the power supply (3x400v+PE) along the bay. Fixed wiring installation for the emergency device and control station. Control and signalling communication between the EOT crane and its control station through Wifi (3, 4 or 5 Ghz). Profibus field bus with absolute encoders. Instant weight display panel, accumulated weight by shift, EOT crane anomalies. Communication with Scada on Ethernet or Profinet net. EOT cranes control commutation through PLC at the control station. Redundant anti-collision through...

Waste TreatmentOverhead travelling crane (WTC) table Standard and optional elements. Installation examples GH-CCM DISTANCE >100mts ELECTRICAL CABINET’S LIFE CONDITIONING OF THE ELECTRICAL CABINET 4000 W COST OF THE INSTALLATION DIFFERENTIAL SELECTOR (MECHANICAL GRAB) ZONE LIMITATION REDUNTANT ANTI – COLLISION DEVICE VISUAL SCREEN PC COMUNICATION ABSOLUTE ENCODERS INCREMENTAL ENCODERS INTERNET MAINTENANCE WEIGHT IN COURSE WEIGHTING CATEGORY III VOLUMETRIC SCANNER PROGRAMMABLE ACC/ DEC RAMPS (ACCELERATION/DECELERATION) ACCUMULATIVE OF WEIGHTS ANOLAMIES IN VISUAL DISPLAY UNIT REGENERATIVE FREQUENCY...

WTC Overhead Travelling Cranes Table Electro hydraulic system table Load cap. in ton. Lifting speed m/min. “Orange peel” grab m3 2÷2,5 Maximum b1 Orange peel mm grab opening 3075 Electro hydraulic system drawings N° Tipo Type Thrustor Para actuador Max. Torque Par maximo

WTC Overhead Travelling Cranes Table Mechanical system table Gear box type Lifting speed m/min. Maximum b1 Orange peel mm grab opening “Orange peel” grab m3 Mechanical system drawings B Max. opening orange peel grab.

RUSSIA POLAND FRANCE USA (IL) sold cranes THAILAND COLOMBIA GH, Spain central offices CRANE MANUFACTURERS WORLDWIDE CENTRAL OFFICES T: +34 943 805 660 [email protected] Cabreúva GH DO BRASIL IND. E COM. LTDA. T: +55 1144090066 [email protected] Shanghái GH (SHANGHAI) LIFTING EQUIPMENT CO., LTD. T: +86 21 5988 7676 [email protected] Bogotá GH COLOMBIA SAS T: +57 1 750 4427 [email protected] Pune GH CRANES INDIA PVT. LTD. T: +91 89561 35444 [email protected] Lima GH PERÚ S.A.C. T: +51 987816231 [email protected] Portugal São Mamede do Coronado Chonburi LGH...