Natural Draught and Chimney

Draught is the pressure difference which causes a flow of air or gases from one point to another point in the boiler system. Draught is required in a boiler system mainly due to two reasons. To supply sufficient air for completing the combustion. To remove flue gases from the system after combustion and the heat … Read more

Types and Working of Cooling Tower

Purpose of a cooling tower is to reduce the temperature of circulating hot water to re-use this water again in the boiler. This hot water is coming from the condenser. How Cooling Tower Works? Hot water is coming at the inlet of the tower and pumped up to the header. The header contains nozzles and … Read more

Natural Draft Cooling Towers

A cooling tower is an open direct contact type heat exchanger where hot water from system or condenser gets cooled by direct contact with fresh air. Cooling towers use the principle of evaporation of water against the air flow. Hot water is sprayed from the nozzles for increasing the heat transfer surface area. The temperature … Read more

Steam Jet Draught

The boiler produces steam. If we utilize, a small portion of the pressurized steam for producing draught in a boiler system then we call the draught as steam jet draught. As the steam, causes the draught, generated in the boiler itself, there will be no need for extra electric power to run draught fans. Steam … Read more

Artificial Draught

The expression of the pressure difference between inside and outside of a chimney shows that it has a term which is the height of the chimney. To achieve sufficient pressure difference between two points or to attain enough natural draught we have to increase the height of the chimney which is not always practical in … Read more

Cooling Tower Material and Main Components

Variety of materials are used for constructing Cooling Tower structures. Materials like fiber glass are used for constructing package cooling towers. However for field erected cooling towers material like steel, fiber glass, redwood and concrete and be used depending upon the project location and client preference. Plus and minuses of each cooling tower material is … Read more

Cooling Tower Useful Terms and Cooling Tower Performance

Some of the commonly used useful terms, in the cooling tower industry are BTU (British-Thermal-Units): It is the requirement of Heat-Energy to increase the temperature by 1oF of one-pond of water between 32 and 212oF. Cooling Range: It is the temperature difference between cooling tower entering hot water and leaving cold water is cooling tower … Read more