ASME Standard Energy Saving Horizontal Boiler Air Preheater for Industry

Product Introduction

Air pre-heater is a kind of equipment used to improve the heat exchange performance of the boiler and reduce energy consumption. 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 reasons for the ignition and the countermeasures are described in detail. The analysis of the switch-off and the treatment of air leakage are also introduced in detail.

Specifications

Features

• An air preheater (APH) is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be used alone or to replace a recuperative heat system or to replace a steam coil.
• In particular, this article describes the combustion air preheaters used in large boilers found in thermal power stations producing electric power from e.g. fossil fuels, biomasses or waste.

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.

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

Company Information

• Our main products cover Utility Boiler, HRSG Boiler, coal-fired , oil(gas) -fired, coal-water-slurry-fired and garbage-fired steam/hot water boilers, organic heat carrier boilers, etc., and Boiler spare parts (Economizer, Finned tube, Header, Steam drum, Superheater, Water wall panel, Air preheater, Cyclone separator, etc., which are widely used in power generation, heat supply, chemical engineering, textile, food, paper, road building, plastic, rubber and wood working industries.
• 1100 employees, 400,000 ㎡ with fixed assets amounting to USD 110,000,000, 34 years experience, ISO9001, SO3834, EN12952 certificated, 150km expressway to Shanghai,60km state road to Suzhou or Wuxi, this is how we keep superior quality and competitive offers for global valued customers.
• The quality and technical supervision administration authorizes the inspection agency stationed on site to supervise, inspect and test the process of boiler manufacturing.Accept supervision or confirmation of the third party or Customer's representative over the process of boiler manufacturing .