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  • Energy Saving Stainless Steel Plate Type Air Preheater For Petrochemical Industry - China

    price: check with company for price

    Energy Saving Stainless Steel Plate Type Air Preheater For Petrochemical Industry Stainless Steel Plate Preheater replaces the traditional tube and heat pipe by plate sheets as heat transfer components.

    Gas and air (coal gas) transfer heat through the plate sheets where the hot fluid and cold fluid are completely separated.

    The wall surface of the flowing channel keeps changing and results in enhanced turbulence of flowing fluid so that the performance of heat transfer is improved.

    Moreover, the plate sheet has a smooth surface and boasts lower fouling resistance.

    Compared with heat pipe heat exchanger, it eliminates the risk of heat transfer tube burst due to high temperature and low temperature corrosion and potential blockage of heat pipe.

    While compared with tube heat exchanger, it is superior in the compact size and extended service life.

    Work principle/flow The Stainless Steel Plate Preheater is used for waste heat recovery system of heater, where the plate air preheater is arranged.

    The hot flue gas exhausted from the heater is led into the air preheater to preheat the air before it is introduced into the heater for combustion.

    Then the flue gas is led into the low temperature & corrosion resistant enamel plate air preheater, where the flue gas is cooled down to 100 and then discharged from the chimney.

    Advantages --- High efficiency: Considering potential changes in temperature & size after the heating process, variable flowing channel is designed to ensure optimized overall heat transfer coefficient and minimized resistance drop; --- Low pressure drop: Thanks to the straight channel, bigger flow area and shorter distance, medium flowing in the plate type preheater encounters less resistance drop.

    Compared with heat pipe type preheater, the plate type reduced the resistance drop by 20%-60%, which is only 40%-60% of the tubular type; --- High heat resistant: The heat transfer components are made of stainless steel and can operate safelyat a temperature up to 450; --- Compact structure: For plate preheater, thecompact ratio is around 160m2/m3 vs.

    60m2/m3fortubular type (heat pipe type), which is around 3 times higher.

    Application Project: 150t/h Coal fired boiler revamp project Enduser: Sinopec Jiujiang Company Model: QYDYD-16-145-25153V - - - - No.

    | Item | Unit | | 1 | Design temperature | | 300 | 2 | Design pressure | kpa | 10 | 3 | Test pressure | kpa | 30 | 4 | Air flow | Nm3/h | 147200 | 5 | Flue gas flow | Nm3/h | 198000 | 6 | Air inlet temperature | | 30 | 7 | Air outlet temperature | | 131 | 8 | Flue gas inlet temperature | | 200 | 9 | Flue gas outlet temperature | | 130 | 10 | Design capacity of heat exchange | kw | 5425 | 11 | Plate sheet thickness | mm | 1.0 | 12 | Plate material | | SS304 | 13 | Shell material | | Q235B | - - - -


    Company Contact:


    • Phone: 86-21-51151156

    • Address: No. 3111, Huaning Road, Shanghai, 201108, P. R. China, Shanghai , Shanghai , China

    • Email: Email


    Published date: April 3, 2018

    • Business Description: Shanghai Marine Diesel Engine Research Institute (hereafter called as SMDERI) located in Shanghai, P.

      R.

      China was founded in 1963 and under the jurisdiction of China Shipbuilding Industry Corporation and now is the sole national level research center on marine diesel engines in China.

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