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APH(空气预热器)培训资料
Howden Group
In 1854 Mr. James Howden, a Scottish
engineer established Howden Group
in Glasgow, Scotland.
James Howden
Howden-Hua Engineering Co., Ltd.- Howden in China
In 1994 Howden-Hua Engineering Co., Ltd.- a Joint Venture was
established in Weihai City, Shandong Province P.R. China.
Howden-Hua Productions
Axial Flow Fan Mixed Fan Jet Fan
Cooling Fan
Air Preheater Gas Reheater Centrifugal Fan
Typical Arrangement of Duct System including APH
SCR
APH Structure
Top Structure Gas Duct
Drive Unit
Rotor
SA Duct
End Pillar
Rotor Housing PA Duct
Hinged Side Pillar
Bottom Girder
APH Construction
The Howden rotary regenerative air heater consists
basically of the following parts:
• Heating Surface Elements and Containers
• Rotor in which the elements are packed
• Rotor Housing in which the rotor rotates
• End Pillars
• Top Structure
• Bottom Structure
• Sealing Arrangements
• Drive Unit
• Rotor Bearings
Heat Transfer Elements and Containers
HS20
(Flat Notched Crossed Profile)
HS 8
(Double Undulated ) End plates
Support bars
HS9
(Corru
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