Gold Member Since 2016
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Wenrui Machinery (Shangdong) Co., Ltd.

Evaporator, Vertical, Tube manufacturer / supplier in China, offering Vertical Long Tube Evaporator, Chemical Recovery, Chip Washer Wood Preparation System, Inclined Dewatering Screw Conveyor Bctmp and so on.

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Supplier Homepage Product chemical recovery evaporator Vertical Long Tube Evaporator, Chemical Recovery

Vertical Long Tube Evaporator, Chemical Recovery

FOB Price: US $100,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100,000/ Piece
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Port: Qingdao, China
Transport Package: Seaworthy Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: IA, IB, IC
  • Certification: ISO, SGS, ASME
  • Application: Chemical Recovery
  • Trademark: Wenrui
  • HS Code: 84391000
  • Product Type: Sulphate Wood Pulp
  • Condition: New
  • Media: Black Liquor
  • Origin: China
Product Description
By adopting crystallization evaporation technology, it is featured by efficient evaporation, less scaling, less foam, no blockage, longer working cycle and higher black liquor concentration.

Working Principle

Separation chamber of falling film evaporator is under the heat exchanger.

The black liquor enters preheating pipeline in the center of the heat exchanger through circulation pump, where black liquor recirculates, slightly being over-heated and evaporated a bit in upper area.

Distributing plate guarantees that the black liquor is uniformly distributed in the black liquor heating pipes.

The black liquor enters the inner wall of the heating pipe through the distributing plate with the liquid film being formed on the pipe wall and the second vapor being generated inside the pipe that accelerates the downward flowing of the liquid film and achieve uniform distribution.

The liquid-vapor mixture flows into the separation chamber at the bottom of the evaporator.

The vapor and black liquor are separated from each other before the vapor enters next effect evaporation through mist separator.  

The liquid returns to the preheating zone of heating elements by recirculation pump to start next circle.


High heat transfer coefficient.
Relatively high pressure bearing capacity.
Advanced design of the distributing plate.
Vertical efficient mist separator.
The system has good operational flexibility; evaporator station can still run normally if the process condition changes significantly.
Low maintenance cost.
Self-stripping design for the effect evaporator.

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Mr. Feng Hailong
Regional Manager
To: Mr. Feng Hailong

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