Water tube boiler 130 tph is an industrial boiler with combustion chamber and heating surface outside the drum, which causes water and steam to flow in the tube. The structure is complicated, and the steam-water system mainly includes drum, header, water wall, convection tube rafter, economizer and superheater, etc. Combustion system mainly includes burner, furnace and flue, air preheater, etc. The structures are water tube boiler, straight water tube boiler, bent water tube boiler and so on.
The operation mode of the water tube boiler is just the opposite to that of the fire tube boiler. Water circulates in the boiler tube, and the tube is surrounded by high-temperature flue gas, which heats who is in the water tube to produce steam or hot water.
Product thermal capacity: 20-130 t/h
Working pressure: 3.82, 5.29 MPa
Product thermal capacity: 2-110 t/h
Working pressure: 1.25-5.3 MPa
Product thermal capacity: 1-20 t/h
Working pressure: 0.7-2 MPa
Product thermal capacity: 7-116 MW
Working pressure: 1-1.6 MPa
1. The main advantage of water-tube boiler is its large capacity, up to 110t/h, which can withstand higher pressure and temperature.
2. Water-tube boilers produce steam at a high speed, and can produce saturated or overheated steam according to the required application. At the same time, the water-tube boiler can track the load fluctuation more accurately and has better regulation ability.
3. Generally, the drum of water-tube boiler is not directly heated, and the tube containing water vapor is placed in the furnace and flue as the heating surface, so the heat transfer performance and safety performance are significantly improved.
4. Adopt all-membrane wall structure, rationally design the size of upper steam drum and the configuration of steam-water separator, reduce water entrainment of steam and improve steam quality.
1. The design and structure of water-tube boiler is complex and its volume is large, which leads to relatively high manufacturing, construction and maintenance costs.
2. The scale has a considerable impact on the water-tube boiler, causing the water-tube to burst, so the water-tube boiler needs to be equipped with water treatment equipment.
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