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COMOTI

ELECTRICAL CENTRIFUGAL GAS COMPRESSOR ECG – 7 – 250

 

USAGE AREAS

  compression of natural gas within natural gas extraction units;

  compression of crude-oil installation gas within crude-oil production units;

  gas pressure rising set for high and low pressure ducts within TRANSGAZ DISTRIGAZ

 

WORKING PARAMETERS

  compressed gas: natural gas (relative density around 0,61);

  aspiration pressure denominated / maximum: 1,5 bars / 1,8 bars;

  heading pressure: 7,5 bars;

  aspiration temperature: 15 °C;

  heading temperature: 40 – 50 0C (with cooling);

  headed flow denominated / maximum : 275.000 Nm3/day / 375.000 Nm3/day;

  carrying away : electric motor asynchronous with the rotor in by-pass 1200 kW, 6kV, 50 Hz, MIB Exd II BT4, 1500 rot/min;

  specific electrical energy consumption: maximum 72 kW/1000 Nm3;

  external sizes (Lxlxh): 5500x2500x2350 mm;

  total weight : 27.000 daN.

 

PRODUCT COMPONENT

  centrifugal compressors set and multiplication device;

  electric drive motor;

  coupling between the electric motor-multiplication device;

  bed set ;

  command system, adjustment, control (with micro chip);

  tightening and oiling system /dam;

  anti-explosive installation.

 

LAYOUT

  covered space, bridge-crane at least 10 tf, lowest temperature 5 ° C ;

  foundation: size about 5500x2200x2000 mm insulated.

 

UTILITIES

  high voltage power line 6 kV , with automated starting transformer;

  low voltage power line 380 V – consumption minimum/maximum 1,5/16,5 kW;

  water cooling circuit:

- cooling tower with an Dt minimum : 8 ° C;

- cooling water flow : 90 m3/h;

- maximum of water temperature entering in cooler : 30 ° C;

- cooling water pressure : 3,5 bar.

  air for driving anti-pumping valve :

- class II conform STAS 8842;

- working pressure 4 ÷ 6 bars .

  gas for driving air motor, auxiliary pump for oiling the valve :

- clean, dry gas;

- pressure 6 ÷ 8 bars.

 

FUNCTIONING RESOURCES

  between over-hauling: 32.000 hours;

  total resource: 4 over-hauling.

 

WARRANTIES

  8000 functioning hours, but no more than 18 months from delivery ;

  spare parts, available to buy, at least 15 years from delivery ;

  post warranty service available on contract

 

REFFERRAL

The ECG-7-250 set has been validated in in April 1999, in the S.P.Ţicleni unit– of PETROM Group, totaling 12,000 functioning hours, with an usage percentage of 92%.

. . . .

 


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