500 tph capacity stacking and reclaiming equipment for coal fired power plant
1. Summary introduction
Bucket-wheel stacker reclaimer can realize the functions of continuous stacking, taking, mixing, and storage of bulk particles and block raw materials. It is widely used in the material storage and transportation system of electric power, metallurgy, building materials, chemical industry, port, coal, grain, and other industries. It is common equipment in large and medium-sized industrial enterprises.
Bucket-wheel stacker reclaimer is mainly composed of bucket wheel, slewing, boom raising, walking, cantilever belt conveyor, and metal structure, tail car, auxiliary structure, central hopper, spray dust suppression system, lubrication system, electrical system, power supply device, and so on.
By adjusting the tail car structure (fixed single tail car, semi lying tail car, full lying tail car, cross tail car, double tail car, etc.), the bucket wheel stacker reclaimer can realize many functions, such as stacking, reclaiming through, reclaiming turn back, shunting, through and so on, to meet the requirements of different working conditions.
2. Structural form of the whole machine
The medium and small bucket wheel machines adopt the overall balance form, with few movable hinge points and a low failure rate. The central hinge seat of the superstructure is equipped with lubrication-free joint bearing, with less maintenance workload. For large bucket wheel machines, the movable balance type is mostly adopted, mainly considering that the pitching angle of the cantilever frame is small and the change of the center of gravity relative to the superstructure is small.
Feature
| description | Stacking and Reclaiming System |
| painting | INTERNATIONAL |
| color | red |
| capacity | 500 t/h |
| advantage | high efficient |
| welding | GMAW |
| benefit | low cost |
| apply for stacking | Stacking and Reclaiming |
GA (fixed split tail car)
GA (full function tail car)
3. Main structural features and introduction
1)Traveling mechanism and gantry frame
(1)The portal frame adopts a three fulcrum four-leg structure to maintain the static structure of the portal frame and adapt to the height deviation of the long-distance walking track foundation.
(2)The three-in-one driving mechanism of the motor, reducer, and the brake is adopted. The reducer and wheel shaft are of suit type, with compact structure and convenient disassembly and assembly. Single wheel or double wheel drive, fully sealed, suitable for high dust environment, making maintenance and repair easier and convenient.
(3)There are two kinds of running speeds, i.e. normal working running speed and nonworking shunting high-speed running speed. AC variable frequency speed regulation is adopted to avoid the impact of equipment starting and stopping.
(4)The frame of the traveling trolley adopts the balance beam device to make the wheel pressure of each wheel equal. The traveling trolley and the balance beam are split package structures, and the wheelset and traveling trolley are also split package structures, which is convenient for disassembly, assembly, and maintenance.
(5)Rail clamps and windproof anchoring devices are set in pairs under the gantry. Buffer stops, running limit switch bumpers, and limit switches are set at both ends of the track to prevent the reclaimer from derailing. The balance frame is equipped with a track cleaner to clean the track area. The clearance between the sweeper and rail surface is adjustable.
A buffer is set at the end of the balance frame to absorb the kinetic energy of the collision between the reclaimer and the bumper.
The traveling position detector shall be set and displayed in the cab.
A red flash lamp and two buzzers are set on each door leg to give audible and visual alarm when walking.
Each group of drives is equipped with a brake release switch. The traveling motor can be started only when all traveling brakes are turned on, so it is ensured that the motor can be started synchronously.
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