Boiler water walls are membrane walls that are made of tubes welded together with or without a strip of metal in between. These walls form the enclosure of the coal combustion chamber. Water wall tubes are also referred to as the evaporator section; they contain water mostly in liquid form which gradually evaporates as it rises in the boiler.
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The new US CASE CX series CX75, CX130, CX210 and CX240 excavators - four hot-selling models with a machine weight ranging from 7.5 to 24 tons will be held at the Beijing International Construction Machinery Exhibition (BICES) in October 2005 The first time we met with everyone, the other three mainframes CX330, CX460 and CX800 are expected to be available in mid-2006. The power of the Case CX series ranges from a 52-horsepower (39.1 kW) CX75 model to a 444-horsepower (331 kW) CX800 model. Excavation depths range from 4.14 m for the CX75 to 8.69 m for the CX800.
Shanghai - Revolutionary new design, magical automatic operation mode and hydraulic control system make the excavator realize "automatic" excavation! The new CX series hydraulic excavator is another highlight in the Case Engineering Machinery (CASE) in the United States. She is known as the “thinking machine†and has achieved a qualitative leap in the operability and production efficiency of the excavator.
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