· PDF fileWATER TUBE is a boiler in which the tubes contain water and steam, with the heat being applied to the outside surface. These are generally small commercial boilers with steel or cast iron bodies. SCOTCH MARINE is a cylindrical steel shell “fire tube” boiler with one or more cylindrical internal steel furnaces located generally in the lower portion, with a bank or banks (passes) of tubes attached to both end …

· PDF fileIn water tube boilers, water circulates through the tubes and hot products of combustion flow over these tubes. In fire tube boiler the hot products of combustion pass through the tubes, which are surrounded, by water. Fire tube boilers have low initial cost, and are more compacts. But they are more likely to explosion, water volume is large and due to poor circulation they cannot meet quickly the …

Cost Of Water Tube And Fire Tube Boilers - posted in Industrial Professionals: We are writing from ICS, Senegal, West Africa. We have 2 Boilers of 100 TPH capacity with 41 Bar Pressure rating. 1 Boiler is Water Tube Boiler and another one is Fire Tube Boiler. We need to replace the Tube bundles of both the above Boilers. Can any one suggest the thumb rule in costing and the difference in costing for …

Industrial Boiler Cost Estimate 09-18 17:04:11 . To find out the exact cost for an industrial boiler is quite complex. The major factors affecting the boiler cost is selection of technology, the capacity of a boiler, auxiliaries cost, etc. Zozen has have manufactured 9 series 200 types of boilers, including Steam Boiler, Hot Water Boiler, Power Plant Boiler, Fire Tube Boiler, Water Tube Boiler, CFB Boiler, …

The older fire-tube boiler design, in which the water surrounds the heat source and gases from combustion pass through tubes within the water space, is a much weaker structure and is rarely used for pressures above 2.4 MPa (350 psi). A significant advantage of the watertube boiler is that there is less chance of a catastrophic failure: there is not a large volume of water in the boiler nor are there large …

Water tube boilers were developed for a variety of reasons, including the need for higher steam pressures, higher steam generation rate, superheated steam. these types of boilers have quicker response to load changes. We briefly discuss about Water tube boiler parts and functions. In the water tube boiler, the water and steam flow inside the

• Material • Carbon Steel • Exotic Metals . IB&M’s boiler retubing process includes: Inspection - IB&M visually inspects each boiler, and perform NDT testing as needed. We use dye penetrant testing to expose areas of boiler tube sheet cracking. Boiler Tube Extraction - old boiler tubes are removed along with the tube ends. Any minor tube sheet cracks are then repaired to the ASME code …

· PDF fileBoiler materials Consideration 9/4/2013 Steag O&M Company 9 The primary consideration in material choice is a function of expected tube temperature of operation. Economizers and water wall sections are usually constructed with a mild or medium. carbon steel, whereas . low alloy ferritic steels are used for most super heater and re heater sections, with austenitic stainless steels specified for the highest …

Find here Water Tube Boilers, Water Tube Steam Boiler manufacturers, suppliers & exporters in India. Get contact details & address of companies manufacturing and supplying Water Tube Boilers, Water Tube Steam Boiler across India. IndiaMART. Get Best Price. Help . Find answers to your queries. For Buying; For Selling; Share your Feedback; Raise a Complaint; Email us …

23-04-2016· The difference between fire tube boiler and water tube boiler can be done on various points. These points includes types of fluid flows within the tubes, steam generation rate, floor area required for the steam generation, transportation, efficiency, fluctuating loads, operating cost etc. the knowledge of the difference about these two boiler is very crucial.