Types of air preheater in a boiler
The air preheaters are classified into two types based on their features and construction. These two types of air preheater are
Recuperative or Tubular type air preheater
Regenerative or Rotational type air preheater
Recuperative or Tubular type air preheater is further classified into two types, they are
Horizontal tubular type
Vertical tubular type
Regenerative or Rotational type air preheater is also classified into two types they are
Rotating baskets (Ljungstrom)
Rotating hood (Rothemuhle)
Air Preheater In Boiler Diagram,Preheater In Boiler,Function Of Air Preheater In Boiler,Steam Air Preheater Jinan Yuanda Power Equipment Co.,Ltd. , https://www.ydboilerpart.com
Product Name Model Area Price (RMB Yuan / piece ) Pressure Gauge y100 Shanghai 19 - 858 Beijing 25 - 160 Guangzhou 18 - 200 Shenzhen 30 - 45 Hangzhou 15 - 290
Technical Parameters:
1, Brand: Fuyang Huaqing 2, Specification: Y-100 Ordinary pressure gauge 3, dial diameter: 100mm
4, the joint size: M20*1.5
5, measuring range: 0—1 MPA
6, Installation form: Radial 7, precision grade: 1.6 grade 8, material grade: shell iron, brass movement, joint brass 9, color: black fuselage, joint metal color 10. Use of ambient temperature: -40 ~ 70°C, relative humidity not more than 85%
11, Temperature effect: when the temperature deviates from 20±5°C, the temperature additional error is not more than 0.4%/10°C. 
Air preheater is one of the most important accessories in modern boilers. Air preheater is commonly found in all modern boilers. To increase the efficiency of the boiler accessories like air preheater is used in the boilers.
The Y100 pressure gauge offers different quotes in the following eight regions: quoted price is 19-858 yuan in Shanghai, 25-160 yuan in Beijing, 18-200 yuan in Guangzhou, and 30-45 in Shenzhen. Yuan, quoted in the Hangzhou area is 15-290 yuan.