Dragon Force(Shenzhen) Energy Euipment Co.,Ltd&Shengzhen Guanruixing Manufacturing Equipment Co.,Ltd
Motor driven natural gas screw compressor
1.Oil well casing gas and associated gas recovery, suitable for marginal oil well associated gas, casing gas, recycling, and has high economic value. Light oil can be recovered after being pressurized and cooled, or CNG can be recovered and used. After being pressurized, it can be transported out of the trailer, which can provide gas source for gas lift, unload it into an external gas pipeline or use it as a commercial gas refueling station.
2.Gas well negative pressure gas production, natural gas drainage gas production
3.CBM gathering and transportation
4.Gas turbine generator set pressurization matching
5.Biogas purification and pressurization
6. Natural gas gathering and transportation
7. Flare gas recovery
8. Large tank gas extraction and light hydrocarbon recovery
9. Tail gas recovery in petroleum refineries
10. Natural gas engine test
11. Gas burner pressurization, etc.
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Main features of Dragon Force motor-driven special gas screw compressor series
1.Adopting direct drive, no variable speed gear, higher reliability
1）．Avoid the possibility of failure caused by gear wear and increase reliability；
2）．Reduce vibration and noise；
3）．Higher transmission efficiency；
4）．Reduce the power consumption generated by the gear part；
5）．Reduce the lubricating oil consumed on the gears, and at the same time increase the life of the lubricating oil。
2.The bearing is arranged in a special way, and the force is better
1).Roller bearings are used to withstand radial loads；
2).Tapered roller bearings support axial and radial forces；
3).No start-up pre-lubrication requirements。
3.Balance piston (reduce bearing stress)
The balance piston is installed on the two rotors. Under the action of pressure, oil enters the piston to produce a force that partially offsets the thrust load. This will reduce the thrust acting on the thrust bearing, and the bearing life will be longer.
4.Long service life of screw main engine
The American Sullair process gas special screw main engine has been deeply cultivated in the field of special compressors for decades. After continuous improvement and innovation, the performance is far better than similar screw main engines of other brands. Practice has proved that the Sullair screw main engine has superior performance and good reliability, and the service life of the main engine is more than 80,000 hours.
5.The screw host adopts a mechanical seal with zero leakage
The American Sullair screw main engine is optimized for high-pressure working conditions. The John Crane mechanical seal with reliable performance and two-stage seal structure is selected to ensure that the shaft seal of the screw main engine has zero leakage and no oil and natural gas overflow the compressor.
1）The first stage is a labyrinth seal structure with reverse threads. If oil enters the shaft seal, the reverse threads will pump the oil back into the compressor;
2）The second level is a high temperature resistant and hardened graphite sealing structure, and the tungsten surface and fluorine rubber elastomer have a good sealing effect.
6.High exhaust pressure
Dragon Force's natural gas screw compressor has a maximum discharge pressure of 507psig (3.5Mpag), which is currently the world's highest technology for screw compressors.
7.Advanced purification design
At present, the natural gas compressor on the market needs to be equipped with additional natural gas pretreatment equipment before use to ensure that the gas source enters the compressor without impurities, while the user of Guanruida natural gas screw compressor does not need to configure a purification device, and can directly connect to the wellhead for compression work .
Main performance parameters of motor-driven natural gas screw compressorProduct model main parameters GN6 GN10 GN15 GN15H GN20 GN20H GN30 GN30H GN50 GN50H Suction Pressure max.（MPag） 0. 3 0. 35 0.35 0.7 0.35 0.7 0.35 0.7 0.35 0.7 Discharge Pressure max.（MPag） 1.4 1.4 1.4 3.5 1.4 3.5 1.4 3.5 1.4 3. 5 Delivery（Nm³/D） 6473 11789 15789 18224 22005 25884 32464 30174 50323 54119 Motor Power（KW） 22 37 45 90 75 132 90 132 132 200 Shaft power（bhp） 18 29 38 79 52 101 73 112 111 176 Unit male rotor Dia（mm） . 102 102 102 127 102 127 127 127 167 127 Product model main parameters GN100 GN100H GN150 GN150H GN200 GN200H GN400 GN400H GN 800H Suction Pressure max.（MPag） 0. 35 0. 7 0.35 0.7 0.21 0.7 0.345 0.35 0.7 Discharge Pressure max.（MPag） 1.4 2.45 1.4 2.45 1.4 2..45 1.03 2.45 2. 45 Delivery MAX（Nm³/D） 104115 100444 156251 137671 227115 189803 395697 458623 806900 Motor Power（KW） 250 250 400 355 630 500 800 1600 1800 Shaft power（bhp） 226 216 347 291 496 411 714 1528 1643 Unit male rotor Dia.（mm） 204 167 255 204 204 321 401 401 401
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