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NINGBO RUICAN MACHINERY COMPANY has more than 10 years experiences for Sand Casting. It is including resin and precoated sand casting process. It is widely used in mining industries, shipping parts, Valves, bumps, marine parts, shipping container door locking parts, shipping container corner parts.
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SPI immersion heat exchanger is applied for working condition of liquid heating, cooling and heat recovery. SPI immersion heat exchanger is based on world leading technology of laser welding pillow plate heat exchange technology. Pillow plates are arranged according to certain distances and form a parallel. Outside plates is the wider channel for one fluid, inside plates is the channel for another fluid to exchange heat. Pillow plate together with wide channel design not only makes high heat exchange coefficient possible, but also has remarkable technical advantages superior to traditional heat exchangers, including high temperature and high pressure resistance, dirt resistance, easy cleaning and flexible disassembly.
   
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Application:
Cold storage of agriculture products
Poultry processing industry
Bakery processing industry
Food and dairy processing industry
Seafood processing industry
Meat processing industry
Beverage industry
Concrete cooling
Sewage heat recovery (Sewage source heat pump unit)
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Advantages of SPI immersion heat exchanger:
Item
SPIImmersion HeatExchanger
Shell and tube heat exchanger
Detachable plate heat exchanger
Spiral plate heat exchanger
Operation temperature range
<800ºC
<800ºC
<170ºC
<350ºC
Maximum pressure
<60Â bar
<200Â bar
<32Â bar
<25Â bar
Heat exchange coefficient of water [W/m2·ºC]
3500
2700
5600
2000
Application of air and water heat exchange
Applicable
Applicable
Not applicable
Partial applicable
Immersion in tank or water
Applicable
Partial applicable
Not applicable
Not applicable
Welded to tank and reactor
Applicable
Not applicable
Not applicable
Not applicable
Install into existing reaction tower and other equipment
Flexible
Partial applicable
Not applicable
Not applicable
All welded structure
Applicable
Applicable
Not applicable
Not applicable
Heavy contaminated liquid and other application
Applicable
Applicable
Partial applicable
Applicable
Unit area weight
Low
High
Low
High
Falling film, condenser and evaporator
Applicable
Applicable
Partial applicable
Partial applicable
Laser welding pillow plate:
Heat exchange pillow plate is machined by full automatic laser welding and forming process. Its unique pillow structure makes fluid into optimum turbulence state to achieve high efficient heat exchange. It also boasts various advantages such as dust proof, high temperature and high pressure resistance and easy cleaning, etc.
  
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Pillow plate concept:
Pillow plate is laser welded by two plates all around and in the middle area full of weld flowers. After the forming process, the inner part of the heat exchange plate forms a pillow type cavity. Pillow design creates excellent turbulence and provides self supporting structure. In practical applications, the additional welding path is often added in the pillow heat exchange plate, in order to adjust and control the flow of fluid into and out of the heat exchange plate nozzle position, the fluid velocity and flow rate inside plate, so as to optimize the heat exchange effect.
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Pillow plate Advantages:
1. Excellent turbulence design, high heat exchange coefficient
2. High welding realiability
3. Small external surface resistance, not easy to product dirt
4. High temperature and high pressure resistance
5. Wide channel, low pressure drop, easy to clean
6. Flexible shape to maintain optimal heat exchange effect
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Projects:
 
Ice Bank
2. Surface treating: Shot blasting, Hot Dip Galvanized, Electroplating, Oxidation, powder coating, Passivation.
3. Long time cooperation with many well known world-class corporations such as Samsung, Buhler, Ford Motor, Dhollandia, Emerson and many domestic enterprises.
4. OEM value added service: precise machining and assembling as per drawings or your requirements.