Aipu BOG-to-pipeline recovery — LNG boil-off gas duties — Bengbu Aipu Compressor

Datasheet

Product overview

Power: Selected ZW rows:30 /37 kW · Pressure: Selected ZW:0.5 MPa discharge;inlet varies · Flow: Selected ZW rows:650 /800 /850 Nm³/h

Aipu presents this page specifically as BOG recovery into a gas pipeline. Applications include LNG storage boil-off and residual gas after tanker unloading, with L-CNG, reserve, peak-shaving and gasification stations and liquefaction plants named. Other Aipu routes for recovery into LNG tanks or making CNG are distinct package purposes and should not be assumed to share this configuration.

ZW-4.0/(1-4)-5 lists 800 Nm³/h, 0.1–0.4 MPa inlet, 0.5 MPa discharge and 37 kW. ZW-3.3/(1.5-4)-5 gives 650 Nm³/h, 0.15–0.4 MPa inlet, 0.5 MPa discharge and 30 kW. ZW-4.4/(1.5-4)-5 gives 850 Nm³/h with the same printed inlet/discharge pressures and 37 kW. All three rows list 2000 × 1600 × 2200 mm. Published inlet ranges do not establish constant flow at every suction condition.

A different low-inlet row, DW-5.7/(0.1-0.15)-18, lists 330 Nm³/h at 0.01–0.015 MPa inlet, 1.8 MPa discharge, 75 kW and 3500 × 3000 × 3000 mm. This illustrates a distinct pressure task, not a universal high-pressure version of the small ZW skid. Neither row establishes a liquid-LNG pumping duty or every cryogenic inlet condition.

The source uses normal-volume Nm³/h without complete reference temperature/pressure and does not explicitly settle gauge/absolute pressure. Provide gas composition, inlet temperature/pressure envelope, transient boil-off/ unloading profile, normal/base/peak flow and receiving-pipeline pressure. Define liquid separation, conditioning, condensate/vent routing, materials/seals, controls, shutdowns, hazardous-area and acceptance boundaries with the offered process proposal.

Request P&ID, utility demand, offered-model performance points, site interface/dimensions and service clearances, interlock and control protocol schedules, test plan and manuals. Agree operator training, spare parts, commissioning and destination service. Aipu's published dispatch/commissioning warranty start points and domestic response wording need contract-specific scope. The original photograph is labelled ZW-2.7/(1-4)-6 BOG recovery, an illustrative manufacturer package distinct from the selected ZW-4.0/-3.3/-4.4 table examples.

Catalog reference	AIPU-BOG
Machine	Process gas
Power	Selected ZW rows:30 /37 kW
Working pressure	Selected ZW:0.5 MPa discharge;inlet varies
Published flow	Selected ZW rows:650 /800 /850 Nm³/h
Air quality	—
Duty	Energy / gas
Supply	Not specified
Plant	Bengbu Aipu Compressor
Application	LNG boil-off and tanker residual gas recovery into pipeline
Capacity basis	Nm³/h;normal reference to agree
ZW-4.0/(1-4)-5	800 Nm³/h;0.1–0.4 MPa inlet;0.5 MPa discharge;37 kW
ZW-3.3/(1.5-4)-5	650 Nm³/h;0.15–0.4 MPa inlet;0.5 MPa discharge;30 kW
ZW-4.4/(1.5-4)-5	850 Nm³/h;0.15–0.4 MPa inlet;0.5 MPa discharge;37 kW
Three ZW envelopes	2000 × 1600 × 2200 mm
DW-5.7/(0.1-0.15)-18	330 Nm³/h;0.01–0.015 MPa inlet;1.8 MPa discharge;75 kW;3500 × 3000 × 3000 mm
Boundary	Actual temperature,liquid separation,pipeline pressure and control scope
Image	Original ZW-2.7/(1-4)-6 BOG example;not all listed models