Cryogenic Equipment

NRS(Nitrogen Refrigerant System) Package

System Diagram and Main Product

1. 1Low Pressure FG Compressor

   Frame : SE45G/4

   Simple GMS configuration

   Relatively low pressure for re-liquefaction

   Relieves burden for extremely high pressure

2. 2Cryogenic Heat Exchanger

   Brazed Aluminum Heat Exchanger

   Widely used type in the liquefaction industry

   Optimized design for 4 stream heat exchanger

   High efficiency by recovering cold BOG energy

3. 3N₂ Compander

   Frame : SE-45N/4

   3-stage centrifugal compressor

   Single-stage expander

   Widely used technology in the industry

   Supplies main cold power to NRS
   through the Reverse Brayton Cycle

4. 4Nitrogen Refrigerant

   Easy to obtain on the ship

   Environmentally safe

   N₂ Inventory Tank for Load control

   Minimize refrigerant loss by recovery

Hanwha Power Systems NRS® Package Line-up

Pilot Test

• NRS Pilot Test for LNG Carrier(Oct, 2021)
• The Pilot Test has been Successfully Completed

• 

  Cryogenic Heat Exchanger Skid
• 

  Nitrogen Compander Skid

Major Reference

Cargo Handling Equipment(LD/HD)

Fuel Gas Compressor(Low Duty Compressor)

• 依据船舶的具体条件，韩华提供两段式(中压)和四段式(高压)解决方案。
• Ship-Class Certification for Marine Application(DNV / ABS)
• 符合API 617/614/671标准，并能满足客户如无油密封系统等特殊要求
• 根据船型和工艺流程提供适配、高效、可靠的产品。

Line-up

Fuel Gas Compressor(Low Duty Compressor) Line-up

	Items	Unit	LDC1	LDC2
	Fluid	-	CH₄ 92%, N₂ 8%
	Flow	㎥ / hr	2,500 ~ 4,500	2,000 ~ 5,000
	Inlet Pressure	bar A	1.03
	Inlet Temperature	℃	-120
	Design Temperature	℃	-196
	Outlet Pressure	bar A	6.5(2Stage)	13(4Stage)

Vapor Return Compressor(High Duty Compressor)

• 凭借宽广的调节范围，在各种工况下顺畅实现回流。
• 我们供应汽化器、加热器、分离器等配套设备，为客户提供整体解决方案。
• 采用整体齿轮式压缩机，可有效提升设备可靠性，同时降低维护成本。
• 拥有高效、高可靠性产品，可根据客户使用流程提供对应产品线。

Line-up

Vapor Return Compressor(High Duty Compressor) Line-up

	Items	Unit	HDC1	HDC2
	Flow	㎥ / hr	35,000	31,000
	Inlet Pressure	bar A	1.03	1.03 ~ 1.25
	Inlet Temperature	℃	-140.0
	Outlet Pressure	bar A	2.0

Cargo Tank Warm-up Compressors & Instrument Air Compressors

专为浮式液化天然气生产储卸装置(FLNG)量身打造的压缩机

• 针对海上浮式液化天然气生产储卸装置(FLNG)，提供最优化的产品设计方案
• 我们能够提供高度契合客户安装环境的定制化解决方案
• 产品适用于海上(Offshore)相关认证，例如挪威船级社(DNV)船级认证等

Major Reference