... water tube 2.Pressure:high Pressure 3.Style: Horizontal 4.Type: Chain layer combustion 1. Its merits: The upper large components comprise boiler ... adjusted.5. Overpressure alarming and water level adjusted devices are set to the boiler.6. Each air chamber can ... ,feed water pump, valve instrument, crusher, chimney, electric cabinet, multi-cyclone and so on SZL assembled water tube steam boiler--SZL4- ...