Thermal Power Plant Overhead Cranes

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Power plant overhead cranes are usually installed in the main engine plant of power plants for the installation and maintenance of generator sets, and the lifting and handling of electrical equipment and other items. The European double-girder crane is usually selected for the main engine plant of the power plant, which has the advantages of small clearance, compact structure, safety and reliability, and firm use.


The scale of operation of thermal power plants is generally relatively large, and the extensive application of cranes in the remanufacturing process has greatly improved the production efficiency. However, the safety of the crane and the safety incidents it brings cannot be ignored.


The production process of a thermal power plant is to first generate steam from the combustion of coal, petroleum, and other fuels, convert the chemical energy of the fuel into heat energy, and then use water vapor to drive the turbine to turn the heat energy of water vapor into mechanical energy. Finally, it is driven by the steam turbine. The generator works to generate electricity.


The thermal power plant's work flow determines its high-temperature, acid-alkali corrosion production environment, which has an impact on various production facilities within the plant, especially acid-base corrosion. The gas in a thermal power plant also has the characteristics of being flammable, explosive and corrosive. Therefore, safety must be taken into consideration when selecting a crane.

Power plant overhead cranes


1. Save working space: Smaller left and right space restrictions, increase working space. The space above the track/track is small, and the workshop space can be fully utilized.


2. Low cost of service and maintenance: reliable performance, durable, reduce extra cost. High quality and performance components require less maintenance and repairs. Lower energy consumption.


3. High performance: The frequency conversion technology is adopted to reduce the working load and make the crane run at high speed under light load. The speed range of 1:10 ensures that the crane runs smoothly and reduces the impact on the workshop. Adopt anti-shake technology to achieve precise positioning.

 

(a)  Main load 120 ton, aux load 30 ton, span 20 m, HOL 18 m, 
(b) The Whole crane is of variable speed by VFD and PLC~~Schneider electricals, Schneider VFD, Siemens PLC,  SEW geared motors; 
(C) Main lifting speed: 0.25-2.5m/min; Aux lifting speed: 0.5-5m/min; CT speed: 2-20m/min; LT speed: 3-32  m/min; 
(d) Lifting power: 75kw; Aux lifting power: 38kw; Trolley power: 7.5kw*2; Crane poer: 11kw*4;
(e) Trolley wheel blocks: 600mm*4; Crane wheel: 500mm*8;

(f) Trolley rail: QU100; Crane Wheel: Qu120; 

(g) Wheel pressure: trolley 530kn; Crane 300kn;

(f) Work Duty: FEM2M, A5;  Cabin control.




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