How To Improve Efficiency Of Hot Water Heating Boiler

2016-05-13

How To Improve Efficiency Of Hot Water Heating Boiler

Hot water boilers are widely used in industries or for central heating, which includes traveling grate type boiler, gas oil fired hot water boiler and large scale cfb water boiler. The most popular hot water heating boiler in global market now is a kind of hot water boiler working under vacuum state, which is no risk of explosion because of no scale inside. This boiler is a new trend in water heating equipment.

Features of hot water heating boiler

The medium circulation system pressure of the vacuum hot water heating boiler is below the atmospheric pressure, the unit running internal absolute pressure is 0.02 ~ 0.08 MPa, so it is reliable in design, steady in operation, and no requirement for supplement of heating medium water. With advanced three-pass and wet back structures, the thermal efficiency can up to 92%.


Factors affect efficiency of boiler

There are many factors that affect the efficiency of boilers.
1.The material of a large heat transfer coefficient means big heating capacity, so the heat transfer tube material of vacuum hot water boiler generally adopts the brass or stainless steel tube to get a higher heat transfer effect.
2.Part of the effective thermal energy will be wasted if the air volume is too big. On the contrary, too small air volume will lead to the incomplete combustion of fuel, which also reduce the thermal efficiency.
3.The water quality in the tube is directly related to scale formation in the boiler, so the feed water should be treated with chemical methods before pump into the tubes.
4.Heat preservation measures. When using hot water boiler, heat preservation material should be used to decrease the heat lose outside the boiler.

Hot water heating boiler types

Traveling grate type boiler, large scale cfb water boiler, gas oil fired hot water boiler are the common used hot water boiler in industries. The first two boiler can burn both coal or biomass fuel such as wood, rice husk, biomass shell,and so on. We should purchase the type according to our actual demand. For hotel or small enterprise, the vacuum hot water boiler will be the first choice. 

hot water boiler,hot water heating boiler,central heating boiler

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