Advantages and Disadvantages of Water Tube Boilers over Fire Tube Boilers: Advantages: 1. Steam can be raised more quickly: In water tube boilers, the ratio of water content to the steam capacity is comparatively less than the fire tube boiler. Hence water tube boilers can quickly generate steam at the required pressure than the fire tube boiler. 2. Steam at higher pressures can be produced: The water …

The fire, which is typically from an alcohol burner, is applied to the external surface of the boiler. Its steaming ability can be significantly increased by the addition of a smoke tube and a stainless steel shield which encloses the burner and the lower portion of the boiler.

Woodpac is a two-pass, smoke tube boiler that can be fired on wood and optionally on oil. The boiler has a corrugated furnace all along its length. The front end and shell rear end is closed with the help of tube sheets. The flue tubes are fitted between the front and rear tube sheet. The flue tube opens into the smoke chamber. The pressure part consists of shell, tube sheets, valves & fittings, (level gauge, …

With our unique ability to deliver top quality products with excellent customer support, we have acquired a position of prominent manufacturer, exporter, supplier and service provider. We are experts in fabrication of Water Tube Boiler, Smoke Tube Boiler, Smoke Tube cum Water Tube Boiler, Power Plant, etc. Our products are made in accordance to the international standards of quality and …

· PDF filetube boilers, typically have a lower initial cost, are more fuel efficient and easier to operate, but they are limited generally to capacities of 25 tons/hr and pressures of 17.5 kg/cm2. Water tube or “water in tube” boilers in which the conditions are reversed with the water passing through the tubes and the hot gasses passing outside the tubes (see figure 2.3). These boilers can be of single- or multiple-drum type. …

Based on circulation there are 2 basic designs of water tube boilers: Natural Circulation Boilers and Forced Circulation BoilersNatural Circulation Boilers are the type of boilers where water circulates naturally that is due to the density difference. The difference in density is created with the difference in temperature of cold and hot water. Circulation ratio is an important factor in designing of natural …

Rakhoh is ISO 9001: 2008 certified by tuv india pvt. ltd . we are engaged in manufacturing of wide range of steam boilers, thermic fluid heaters, thermic fluid steam boiler & hot water boilers, coded pressure vessels, storage tanks, structural, water tube boiler components like, convection tubes, headers, super heater coils, economizer coils, drums, boiler accessories like economizers, air pre-heaters, wind …

· PDF fileIntroduction to Boiler tube failures tube material beyond its capabilities for either a short-term or a long-term period. Temperature Pressure Operating Point Free Capacity for Creep Scheduled Plant Life . Creep failures-Overheating 9/4/2013 Steag O&M Company 14 Short-term Overheat Failure results in a ductile rupture of the tube metal, “ ” fracture surface is a thin edge. Causes: Short-term overheat …

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A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled tubes that make up the …