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Hangzhou Chuankong General Equipment Co., Ltd.

Submerged Combustion Vaporizer, LNG Vaporizer, LNG Scv manufacturer / supplier in China, offering LNG Submerged Combustion Vaporizers Scv, China Made Capacity 15t Road Tanker, Horizontal Chemical Stainless Steel Electric Liquid Oxygen Pump and so on.

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Supplier Homepage Product Vaporizer Submerged Combustion Vaporizers (SCV) LNG Submerged Combustion Vaporizers Scv

LNG Submerged Combustion Vaporizers Scv

FOB Price: US $2,000-100,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000-100,000/ Piece
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Port: Shanghai, China
Production Capacity: 60000 Units Per Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SCV-10000
  • Purpose: Viprozation Liquid
  • Noise Level: Low
  • Condition: New
  • Capacity: 180t/H
  • Type: Scv
  • Seawater Flowrate: ~6550m3/H
  • Trademark: Hang Tong
  • Specification: QQ-180T
  • Usage: LNG
  • Application Fields: Chemical
  • Machine Size: Large
  • Certification: ISO, GB, ASME
  • LNG Side Operation Pressure: 8.88MPa
  • LNG Side Design Pressure: 13.9MPa
  • Load Adjustment Range: 10~110%
  • Transport Package: Normal Package
  • Origin: China
Product Description
Submerged Combustion Vaporizers (SCV)

A typical SCV system is shown in Figure 2. LNG flows through a stainless steel tube coil that is submerged in a water bath which is heated by direct contact with hot flue gases from a submerged gas burner. Flue gases are sparged into the water using a distributor located under the heat transfer tubes. The sparging action promotes turbulence resulting in a high heat transfer rate and a high thermal efficiency (over 98%). The turbulence also reduces deposits or scales that can build up on the heat transfer surface.

Since the water bath is always maintained at a constant temperature and has high thermal capacity, the system copes very well with sudden load changes and can be quickly started up and shutdown. The bath water is acidic as the combustion gas products (CO2) are condensed in the water. Caustic chemical such as sodium carbonate and sodium bicarbonate can be added to the bath water to control the pH value and to protect the tubes against corrosion. The excess combustion water must be neutralized before being discharged to the open water.
To minimize the NOx emissions, low NOx burners can be used to meet the 40 ppm NOx limit. The NOx level can be further reduced by using a Selective Catalytic Reduction (SCR) system to meet the 5 ppm specification if more stringent emission requirements are needed, at a significant cost impact.
LNG Submerged Combustion Vaporizers Scv
LNG Submerged Combustion Vaporizers Scv
LNG Submerged Combustion Vaporizers Scv

SCV units are proven equipment and are very reliable and have very good safety records. Leakage of gas can be quickly detected by hydrocarbon detectors which will result in a plant shutdown. There is no danger of explosion, due to the fact that the temperature of the water bath always stays below the ignition point of natural gas.
The controls for the submerged combustion vaporizers are more complex when compared to the open rack vaporizers (ORV). The SCV has more pieces of equipment, such as the air blow, sparging piping and the burner management system which must be maintained. SCVs are compact and do not require much plot area when compared to the other vaporizer options.

Hangzhou Chuankong General Equipment Co., Ltd. is a wholly owned subsidiary of Sichuan Air Separation Plant Group Company-the second largest gas equipment producer in China.  

We specialize in producing air separation plants, CO2 recovery plants, cryogenic liquid storage tanks, ISO tanks, semi-trailer tankers, vaporizers, gas filling stations, cylinders and dewars, dry ice machines, compressors and cryogenic pumps etc. 
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