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High Pressure Liquid Hydraulic Turbo Expander Generator Improved Overall Energy Efficiency

High Pressure Liquid Hydraulic Turbo Expander Generator Improved Overall Energy Efficiency

High Pressure Liquid Hydraulic Turbo Expander Generator Improved Overall Energy Efficiency

Product Details:

Place of Origin: CHINA
Brand Name: QIYAO
Certification: ISO

Payment & Shipping Terms:

Minimum Order Quantity: 1 unit
Price: Customized Product, Quoted Case By Case
Packaging Details: Seaworthy packing
Delivery Time: 6~8 months after PO
Payment Terms: L/C, T/T
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Detailed Product Description
Available Working Medium: Liquid Air, Liquid Methanol, LNG, Etc. Application: Hydrocarbon Processing, Air Separation, LNG Processing And Other Plants
Function: Reduce The Overall Energy Consumption Warranty Period: 12 Months Since Operation Or 18 Months Since Delivery
Packing: Seaworthy Packing

High Pressure Liquid Hydraulic Turbo Expander Generator Improved Overall Energy Efficiency

 

Hydraulic turbo-expander generator set

 

The hydraulic turbo-expander generator set developed by SMDERI is applicable for hydrocarbon processing, air separation, LNG processing and other plants. Taking advantage of the pressure difference of the liquid working medium, it drives the turbo-expander to recover the pressure energy, and the refrigerating effect of the turbo-expander can reduce the power consumption of circulation as well. The application of turbo-expander can improve the overall energy efficiency of such processes as internal compression, air separation, and natural gas liquefaction by 3~6% and achieve substantial energy saving benefits. 

Compared with the natural gas or steam turbo-expander generator set, this type provides more adaptablity in the working medium options: liquid air, liquid methanol and LNG all can be used. 

 

I Work principle

The high pressure liquid working medium entering the volute will evenly distribute the working medium to the nozzle ring along the flow channels inside the volute. After the nozzle, the working medium obtains acceleration and converts the pressure energy into kinetic energy and then it flows to the impeller radially. When the impeller performs external work, the pressure energy and kinetic energy are converted into the kinetic energy of rotor to drive it to run at high speed.

With work effect produced by almost isentropic expansion process of high pressure liquid in the turbine, the hydraulic turbo-expander converts the energy contained in the HP steam into mechanical energy and delivers it through the main shaft so as to fulfill the residual pressure recovery.

 

II Components

No. Item Description
1 Turbo-expander Rotor (impeller, main shaft)
Nozzle
Casing
Shaft seal
Volute
2 Gear box Large gear ratio type
3 Generator synchronous/asynchronous generator
4 Lube oil system Forced oil supply lubrication system consisting of oil station and oil piping. The oil station is made up of oil tank, cooler, filter, separator, valves and etc.
5 Measuring system

Vibration sensor

Temperature sensor

Pressure sensor

Rotation speed sensor

6 Control system DCS/PLC
 
IV Parameters
Model Working medium Inlet pressure  Outlet pressure Inlet temperature Output
LTE-A200 Liquid air 7.0 MPa 0.6 MPa -175 ℃ 200 kW
LTE-A400 Liquid air 6.5 MPa 1.5 MPa -165℃ 400 kW
LTE-M200 Liquid methanol 8.0 MPa 0.7 MPa 40 ℃ 200 kW
LTE-M500 Liquid methanol 6.0 MPa 1.5 MPa -36 ℃ 500 kW
LTE-N150 LNG 4.0 MPa 0.25 MPa -150 ℃ 150 kW
LTE-N300 LNG 6.5 MPa 1.5 MPa -162 ℃ 300 kW

 

V Advantages

--- Improved overall energy efficiency especially for  internal compression, air separation, and natural gas liquefaction processes;

--- More working medium options;

--- Customized design to adapt to the user's demand;

--- Designed with turbine thermal calculation optimization method and full 3D viscous aerodynamic calculation;;

--- Design optimized with computational fluid dynamics (CFD) and finite element analysis (FEA);

 

 

Contact Details
Shanghai Marine Diesel Engine Research Institute

Contact Person: Mrs. Tan Ling

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