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Equipment technical advantages and features
Centre drive adopts planetary gear reducer slewing support driving method, structure is novel, drive torque is large, use life is long.
Centre deep feeding,advection subside to reduce sedimentation height and motive energy of solid grain. Reasonable rake structure reduces interference of grain sedimentation and quicken concentration& sedimentation. After adding flocculant(PAM),processing capacity is 6-8 times higher than common thickener,
Centre deep feeding,advection subside to reduce sedimentation height and motive energy of solid grain. Reasonable rake structure reduces interference of grain sedimentation and quicken concentration& sedimentation. After adding flocculant(PAM),processing capacity is 6-8 times higher than common thickener,
Centre drive device adopts hydraulic variable motor, speed is adjustable to meet need of any condition.
Adopts PLC control. It is designed with overload alarm indicator, auto rake lifting and falling; Use PLC control system, and it can realize local operation and remote control(combined with DCS); It realizes overload alarm, rake auto lift/ fall, and automatic, manual and remote centralized control. All electrical and control cell and system for thickener and Flocculant system including feeders, starter, frequency converters and like these are in our scope.
It is designed with concentrated phase sensor. It can adjust the speed of underflow pump to control the underflow thickness.
Quoted equipment is designed with mud thickness sensor.
Main drive and rake lift device
Drive frame and base are designed according to standard for heavy-duty gear to get enough strength and stability, so that the drive device and lift device can work stably.
Drive device is planetary gear box from Italian Bonfiglioli company. They are fixed on a base which can lift and fall, and the base is connected with the base of central supporting tube. planetary gear box is driven by low speed high-torque hydraulic motor; maximum operating torque is 5000,000Nm.
Full-automatic and hydraulic lift rake device is driven by hydraulic cylinder fixed on bridge. Hydraulic lifting device and hydraulic drive device share one modular hydraulic power unit .Hydraulic control elements are imported or from joint-venture company, so quality is stable and reliable.
Drive device design torque::
High torque alarm: 50% of design torque.
Rake lift: 60% of design torque.
Rake fall: 40% of design torque.
Operation torque: 30% of design torque.
Mechanical device design torque: 150% of design torque.
The super heavy drive and mechanical device design can keep thickener working even under extreme conditions , see Figure 1.
Figure 1.
Two long rake frame and two short rake frame adopts triangle section, in the center of the rake arm with scalable scrapers, all the rakes scrapers can be detachable(see attached Figure 2). All of rake frame connect with center drive axis, the raw material are in strength pipe, and in the bottom of the drive axis installs blades for discharging the slurry effectively. The rake and mechanical device operation torque is 150% of design torque.
Figure 2
Processing the installation guidance experience from thousands of engineering projects and years of .
1. Installation: Generally our company will appoint professional engineers to provide installation guidance on spot, and offer the relevant staff operation-and-management training according to pratical requirements.
2. Maintance and repair: Our company solemn promises that the after-sales staff of domestic project will respond within 24 hours after receiving maintenance call notification; in need of repair on spot , the maintenance and repair personnel will be quickly arrive on the scene within 48 hours.
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