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Rotary Air Preheater
There are about 30 diameter class series of rotary air preheater, which are designed and manufactured according to the most advanced international technology nowadays, and can meet the matching requirements of 50MW-1500MW units. At present, more than 2,000 air preheaters are in operation, and the performances of air preheaters are all in the leading position in China, such as high heat exchange, anti-clogging, wear resistance, low air leakage, low energy consumption and high reliability, and they are exported to India and Vietnam.

    World's first and unique technology

    10 * 660MW level internal double-water cooling generators, and 150 * 300MW level internal double-water cooling generators

    Typical projects: Jingneng Power Wujianfang Power Plant, Qinghai Qiaotou Project, Chashma Nuclear Power Plant in Pakistan and Qinshan Nuclear Power Plant


The internal double-water cooling generator is based on the internal double-water cooling technology independently developed by SBWL. Its performance has reached the advanced level of modern technology, and it has been widely recognized by the market with its significant safety and investment advantages.

This product features less one-time investment, low operation cost and high safety. Its structural advantages include:

1) Without hydrogen explosion or hydrogen sealing structure

2) Without hydrogen system, oil sealing system and hydrogen production station

3) Continuous insulated rotor winding to eliminate turn-to-turn short circuit for rotors

Other technical advantages

1) Safe, simple and economical maintenance

2) Cooling mode with independent technology

3) High reliable structure

4) Anti-loose structure in stator coil slot

5) Fully compensated and creep resistant stator core to completely eliminate looseness of core

6) New material and new process to prevent water leakage of water diversion pipe

7) Unique water cooled rotor technology to prevent the turn-to-turn short circuit


Contact Us
Shanghai Boiler Works Co Ltd.
Address:No.250 Huaning Road, Shanghai, PRC
Post code:200245
Tel: +86(21)6430 2391
Fax:+86(21)6430 1980