China Acetylene Compressor Factory - High-Efficiency Suppliers for Safe and Reliable Gas Compression
Acetylene Diaphragm Compressor Advantages
01
Absolute Zero Media Contamination and Zero Leakage
The core of the diaphragm compressor lies in its metal diaphragm, which completely isolates the compression chamber into a gas chamber and an oil chamber. For acetylene, this means 100% physical isolation between the lubricating oil system and the process gas, thoroughly eliminating the risk of oil molecules entering the acetylene gas stream and causing contamination, coking, or potential reactions. Simultaneously, the static seal structure fundamentally eliminates the possibility of external leakage from dynamic sealing points such as shaft seals, ensuring that the highly toxic and flammable acetylene gas does not escape, thereby meeting the strictest environmental and safety standards.
02
Intrinsically Safe Compression Process & Adaptability
The compression method, based on the reciprocating flexure of the diaphragm, involves no sliding friction pairs in contact with the gas, preventing the generation of local hot spots and sparks, and fundamentally reducing the risk of combustion and explosion. This model is insensitive to fluctuations in suction pressure and can easily achieve discharge pressures up to tens of megapascals. It is highly suitable for boosting from low-pressure acetylene sources to high-pressure synthesis or filling processes, providing stable output pressure with no loss of purity.
Key Design Points for Acetylene Diaphragm Compressors
01
Explosion-Proof Electrical Configuration & Diaphragm Monitoring
All electrical equipment, including drive motors, instruments, and control components, must meet the explosion-proof requirements for IIC Class, T2 Group. A common explosion-proof rating is Ex d IIC T2, ensuring that the maximum surface temperature of the equipment does not exceed 300°C, far below the auto-ignition temperature of acetylene. A three-layer diaphragm structure is adopted, equipped with a diaphragm rupture pressure switch alarm and automatic shutdown interlock. Once the outer diaphragm ruptures, the abnormal pressure increase in the middle layer immediately triggers protection, preventing oil and gas from mixing.
02
Strict Temperature Control and Material Prohibitions
The discharge temperature at each stage must be strictly controlled within a safe range far below the decomposition temperature of acetylene (305°C). This is typically achieved by optimizing the compression ratio, enhancing inter-stage cooling, and employing air/water cooling systems, along with a high-high discharge temperature shutdown protection. Strict material prohibitions must be enforced: Copper, silver, mercury, and their alloys are strictly forbidden for all wetted parts in contact with acetylene. High-quality stainless steel is typically used and undergoes special degreasing and passivation treatment to prevent the formation of sensitive compounds like "copper acetylide," which can trigger decomposition explosions.
03
Complete Safety Interlocks and System Protection
In addition to diaphragm rupture and over-temperature protection, the system must integrate multiple safety interlocks such as low suction pressure, high discharge pressure, low lubricating oil pressure, and cooling system failure. Any abnormal parameter will trigger an alarm and automatic shutdown. The relief capacity of the safety valves must be strictly calculated to ensure rapid discharge in the event of overpressure. The relieved gas must be tightly sealed and routed to a safe flare or treatment system; local discharge is strictly prohibited. Before startup, the system must be thoroughly purged with an inert gas.
Certificates
Model Selection
ModelG70Z / G95Z / G110Z / G130Z
Piston Stroke70mm ~ 130mm
Max Piston Force10KN ~ 30KN
Max Discharge Pressure70Mpa
Flow Range1 ~ 500 Nm³/h
Motor Power2.2KW ~ 30KW
Crankshaft Speed420rpm
Cooling MethodWater / Air Cooled
ModelG70V / G95V / G130V
Piston Stroke70mm ~ 130mm
Max Piston Force10KN ~ 30KN
Max Discharge Pressure50Mpa
Flow Range1 ~ 200 Nm³/h
Motor Power2.2KW ~ 30KW
Crankshaft Speed420rpm
Cooling MethodWater / Air Cooled
ModelG110L / G130L
Piston Stroke110mm ~ 130mm
Max Piston Force20KN ~ 40KN
Max Discharge Pressure100Mpa
Flow Range10 ~ 1000 Nm³/h
Motor Power7.5KW ~ 90KW
Crankshaft Speed420rpm
Cooling MethodWater / Air Cooled
ModelG110D / G130D / G150D / G180D / G182D / G210D
Piston Stroke110mm ~ 210mm
Max Piston Force20KN ~ 160KN
Max Discharge Pressure100Mpa
Flow Range30 ~ 2000 Nm³/h
Motor Power22KW ~ 200KW
Crankshaft Speed420rpm
Cooling MethodWater / Air Cooled
G
Diaphragm type compressor
Z
Piston stroke 70mm
5
Flow (Nm³/h)
0.5
Inlet pressure (barg)
8
Outlet pressure (barg)
| No. | Model | Cooling Water | Flow | Inlet Pressure | Outlet Pressure | Dimensions L×W×H | Weight | Motor Power |
|---|---|---|---|---|---|---|---|---|
| (L/h) | (Nm³/h) | (MPa) | (MPa) | (≈mm) | (≈kg) | (kW) | ||
| 1 | GZ-5/0.5-8 | 500 | 5 | 0.05 | 0.8 | 1400×740×1240 | 650 | 2.2 |
| 2 | GZ-17/5-25 | 1000 | 17 | 0.5 | 2.5 | 1500×800×1200 | 800 | 7.5 |
| 3 | GZ-60/2.5-14 | 1000 | 60 | 0.25 | 1.4 | 2200×1800×1700 | 2800 | 11 |
| 4 | GV-17/5-25 | 800 | 17 | 0.5 | 2.5 | 1500×800×1200 | 800 | 5.5 |
| 5 | GV-18/0.7-23 | 1000 | 18 | 0.07 | 2.3 | 1600×776×1080 | 900 | 7.5 |
| 6 | GV-48/4-25 | 800 | 48 | 0.4 | 2.5 | 1588×768×1185 | 980 | 11 |
| 7 | GL-25/15 | 1000 | 25 | Atmospheric | 1.5 | 2200×1200×1300 | 1600 | 7.5 |
| 8 | GL-30/10 | 1000 | 30 | Atmospheric | 1 | 2200×1200×1300 | 2000 | 11 |
| 9 | GL-100/4.5-14 | 2000 | 100 | 0.45 | 1.4 | 2400×1300×1300 | 3000 | 18.5 |
| 10 | GD-150/0.2-3 | 4000 | 150 | 0.02 | 0.3 | 3200×1800×1600 | 4000 | 18.5 |
| 11 | GD-250/0.2-15 | 8000 | 250 | 0.02 | 1.5 | 3600×2300×1800 | 6000 | 75 |
| 12 | GD-900/3-15 | 7000 | 900 | 0.3 | 1.5 | 4800×4000×2200 | 16000 | 75 |
The equipment size and weight are for reference only, and the final design shall prevail.
Case Study
Russia
United States
Spain
Kazakhstan
Frequently Asked Questions
How do diaphragm compressors guarantee zero media contamination?
The system uses a flexible metal diaphragm that creates a strict physical barrier between the gas compression chamber and the hydraulic oil chamber. This design guarantees that lubricating oil never comes into contact with the acetylene gas stream, preventing contamination or potential chemical reactions.
What materials are forbidden in acetylene compressors and why?
Copper, silver, mercury, and their alloys are strictly prohibited for all wetted components. When these metals contact acetylene, they can form highly unstable and explosive acetylides (such as copper acetylide), which can trigger spontaneous decomposition explosions. High-quality stainless steel is used instead.
How does the multi-layer diaphragm safety system work?
The compressor is equipped with a three-layer diaphragm system. If any layer ruptures, the pressure switch immediately detects the abnormal pressure change in the middle layer and triggers an automatic safety shutdown before any gas escapes or mixes with oil.
What explosion-proof configurations are used for safety?
All electrical equipment, including motors and control components, meet the strict Ex d IIC T2 explosion-proof rating. This configuration ensures that the surface temperature of the equipment never exceeds 300°C, which is safely below the self-ignition point of acetylene.
What is the maximum discharge temperature allowed for acetylene?
The discharge temperature at each stage is strictly monitored and kept well below the decomposition limit of acetylene (305°C). High-temperature shutdown interlocks, multi-stage compression, and water/air cooling systems are employed to maintain safe operating temperatures.