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Flame & Combustion. Prabir Basu. Page 2. WHAT IS A FLAME. Flame is a zone of intense chemical reaction with liberation of heat and light. What is combustion. Combustion is a exothermic oxidation of a fuel at high temperature. C + O. 2. = CO. 2. - Q. Page 3. Flame types. Diffusion flame. Premixed flame
Types of Flame. Introduction to Flame. Flame is mostly found in Gas Welding type mainly in Oxy-Acetylene Welding (OAW). Oxy-Acetylene Welding (OAW): It is a type of gas welding in which coalescence Is produced by heat obtained from burning a mixture of oxygen and acetylene gas (Gas Flame) with or without
4. Oxyfuel-Gas Welding. Three different types of flames can be obtained by varying the Oxygen to Fuel Ratio. Neutral Flame. Carburizing Flame. Oxidizing Flame. Chapter 31 - 10. Oxyfuel-Gas Welding. Neutral flame [1:1 to 1.15:1 ratio] – all reactions are carried to completion: ? Most welding is done with a neutral flame.
obtain a heating flame. The popular gas combinations are oxy-hydrogen mixture, oxygen-acetylene, etc. different mixing proportion of two gases in a mixture can generate different types of flames with different characteristics. 5.2.2 Oxy-Acetylene Welding. Oxy-acetylene welding can used for welding of wide range of metals
Adjusting a MAPP gas flame. Flame adjustment is the most important factor for successful welding or brazing with MAPP gas. As with any other fuel gas, there are three basic MAPP gas flames: carburizing, neutral, and oxidizing (fig. 11-3). A carburizing flame looks much the same with MAPP gas or acetylene.
The equipment is more portable than most other types of welding rigs. (e.g. TIG welding). • Oxy-acetylene equipment can also be used to "flame-cut" large pieces of material. Disadvantages of Oxy-Acetylene Welding. • Oxy-acetylene weld lines are much rougher in appearance than other kinds of welds, and require more
Chapter 1 Oxygen-fuel gas plant safety 1. Chapter 2 Oxygen-acetylene and propane equipment 9. Chapter 3 Oxy-fuel gas welding ..37. Do not use heat on any container that may. have contained fuel. Fuel gas. Maximum flame.
WELDING TORCH & BLOW PIPE. A welding torch mixes oxygen and acetylene in the desired proportions, burns the mixture at the end of the tip, and provides a means for moving and directing the flame. There are two types of welding torches, namely: a) High pressure (or equal pressure) type b) Low pressure (or injector)
26 Sep 2010 Gas welding, also called oxy-fuel or oxy-acetylene welding, uses a mixture of oxygen and acetylene to produce a flame hot enough to weld steel. Other gases like propane and
Either oxygas flame or air carbon-arc equipment will be the most common type of equipment available, and the former is probably the method you will use most often. This chapter will cover oxygas equipment; plasma-arc and carbon-arc cutting will be presented in later chapters. The oxygas cutting torch has many uses in

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March 2018