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Effect of Economizer on Efficiency of the Fire Tube Steam Boiler

Date: 08-08-2018 Author: ailsa from ZG boiler

The effects of using economizer on efficiency of examined fire tube steam boiler is presented. Based on the live tests, the performance indexes of two fire tube 3 passes wet back steam boilers with capacity of 3000 kg/h (one of them with economizer and another without economizer) measured. The results show the effect of using economizer for increase the feed water temperature and improving the efficiency of fire tube steam boiler.

Effect of Economizer on Efficiency of the Fire Tube Steam Bo

The preheating of feed water in boilers is one of the most effective methods for increasing the efficiency of steam boilers .The heat produced from preheating of water can be recovered by using Stack economizers that are available in a various sizes . Boiler stack economizer in general is a form of heat exchangers that separates between hot fuel gas and water. The structure of economizer in fire-tube steam boiler that allows the recycle usage of excess heat from exhaust.

The effect of using economizer on the reduction of heat losses and increasing the efficiency of fire tube steam boiler. As well, it is aimed to determine the various types of losses and calculating the exact amount of efficiency before and after using economizer in examined fire tube boilers.

It has been proven that the initial cost of a boiler is a small part of total cost of boiler during its lifetime. The major costs resulting from the fuel costs. Therefore it is important to use a high efficient steam boiler that consume lower rate of fuel, for this purpose some equipment can be used in steam boilers that one of them used in this project that is economizer. It is found that the method of heat recovery from flue gas by economizer is one of the effective ways to save energy in fire tube boilers.

Keyword: Industry steam boiler,Fire Tube Steam Boiler, Steam Boiler Economizer, Efficiency of the Fire Tube Steam Boiler

Source: https://www.zgsteamboiler.com/news/effect-of-economizer-on-efficiency-of-the-fire-tube-steam-boiler.html

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Established:In 1945

Number of Employees:above 1500 People

Our products:industrial horizontal steam boiler and hot water boiler(biomass boiler, gas boiler, oil boiler, coal boiler, etc), CFB boiler, power plant boiler, waste heating recovery boiler, Pressure Vessel(AAC autoclave, Curing tank,etc )

Factory Size (Sq.meters):400,000 square meters

Factory Location:Factory 1: Zhengzhou,,Henan, China. Factory 2: Xingyang,Henan,China

Number of R&D Staff:376 people

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Total Annual Sales Volume:US$100 Million

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