ASME Boiler Air Preheater

Air Preheater Tube Bundle For Steel Mill Boiler Pressure Parts Stainless Steel With ASME Standard

Product Description

Air pre-heater is a kind of equipment used to improve the heat exchange performance and reduce energy consumption of the boiler, which means that the flue gas in the tail flue of the boiler will preheat the air before entering the boiler to a certain temperature through the internal radiator. Air preheater is generally divided into three types: plate type, rotary type and tube type. Taking the rotary type as an example, the working principle of air preheater is introduced. A large number of unburned combustibles will deposit on the heat transfer elements, which may cause the air preheater to ignite. The causes of ignition and the countermeasures are described in detail. The shutdown analysis and air leakage control are also introduced in detail.

Product advantages

The recovery of waste heat from the flue gas and heating the air required for Boiler In an air heater gives the following advantages.

• The Boiler efficiency is increased.
• More stable combustion in furnace.
• The combustion is intensified with the use of hot air.
• Lower grades of coals can be burnt efficiently with hot-air.
• The use of hot air, improves the heat transfer rate and so less heat transfer area will be required.
• The combustion is made complete with negligible amount of carbon in ash.
• Faster load variations are possible.
• The coal can be dried effectively for easy pulverization and combustion.

Benefits

1. Improved combustion rate and then increases steam generations rate of boiler.

2. Due to higher temperature of air, furnance temperature increases, so low grade coal can be burnt efficiently.

3. Air heated by heat of exhaust gases.It reduces fuel consumptions.Therfore thermal efficiency of boiler increased.

4. Saving in fuel consumption and Increased steam generation capacity.

Parameters

Company Information

The products of our company have been widely used in major power plants of various provinces and cities in China, bringing stable and significant economic and social benefits to cooperated power plants. At the same time, we attach great importance to product development and strive to improve product quality. Through the cooperation with a number of domestic and foreign companies, we constantly explore the international market.

air preheater for boiler,

tubular type air preheater