Propylene Compressors from China Suppliers | High-Efficiency Factory Solutions for Petrochemicals and Refrigeration
Propylene Diaphragm Compressor Advantages
01
Gas Purity without Contamination, Ensuring Product Quality
The unique structure of the diaphragm compressor completely isolates the gas within an independent compression chamber via the diaphragm, ensuring zero contact with hydraulic oil and the lubrication system. This guarantees that the compressed propylene has extremely high purity without any oil contamination. This is crucial for propylene used as a polymerization feedstock or for high-purity chemical applications, directly safeguarding the quality and performance of downstream products.
02
Absolute Sealing & High Safety
Utilizing the static seal principle, the diaphragm compressor achieves zero leakage from the compression chamber. As a flammable gas, any leakage of propylene poses a serious safety hazard. This characteristic of the diaphragm compressor significantly enhances the safety of the entire compression system, making it particularly suitable for plant areas, laboratories, or special gas filling scenarios with extremely stringent leakage control requirements.
Key Design Points for Propylene Diaphragm Compressors
01
Precise Thermodynamic Design & Temperature Monitoring
Given the relatively high critical temperature of propylene (92.3°C), accurate thermodynamic calculations must be performed during the design phase to ensure that the discharge temperature at each stage of compressor operation always remains above the dew point temperature of propylene at that stage's pressure, with a sufficient safety margin. A highly sensitive discharge temperature monitoring and alarm system must be installed. This is the core measure to prevent internal cylinder liquefaction that could lead to "liquid slugging" and damage the diaphragm.
02
Optimized Diaphragm Cavity Cooling & Material Selection
The heat generated during the propylene compression process must be efficiently removed. The cooling channel design of the diaphragm head must be optimized to ensure uniform and adequate cooling, control the working temperature of the diaphragm, and extend its fatigue life. High-performance alloys such as Inconel 718 are recommended as diaphragm material to withstand alternating stresses and provide good corrosion resistance. Wetted parts should preferentially be made of 316L stainless steel.
03
Comprehensive Safety Monitoring & Protection System
A three-layer diaphragm rupture alarm device must be configured to provide timely warning in case the inner layer diaphragm fails, preventing gas and oil from mixing or external leakage. The system should integrate multi-parameter safety interlock shutdown functions, including low suction pressure, low lubricating oil pressure, and cooling water failure. Given the flammability of propylene, it is additionally recommended to configure combustible gas concentration detection probes and an emergency ventilation interlock to establish a multi-layered safety protection system.
Certificate
MODEL SELECTION
ModelG70Z/G95Z/G110Z/G130Z
Piston Stroke70mm~130mm
Maximum Piston Force10KN~30KN
Maximum Discharge Pressure70Mpa
Flow Range1~500Nm³/h
Motor Power2.2KW~30KW
Crankshaft Speed420rpm
Cooling MethodWater Cooled/Air Cooled
ModelG70V/G95V/G130V
Piston Stroke70mm~130mm
Maximum Piston Force10KN~30KN
Maximum Discharge Pressure50Mpa
Flow Range1~200Nm³/h
Motor Power2.2KW~30KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
ModelG110L/G130L
Piston Stroke110mm~130mm
Maximum Piston Force20KN~40KN
Maximum Discharge Pressure100Mpa
Flow Range10~1000Nm³/h
Motor Power7.5KW~90KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
ModelG110D/G130D/G150D/G180D/G182D/G210D
Piston Stroke110mm~210mm
Maximum Piston Force20KN~160KN
Maximum Discharge Pressure100Mpa
Flow Range30~2000Nm³/h
Motor Power22KW~200KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
G
Diaphragm type compressor
Z
Piston stroke 70mm
50
Flow(Nm3/h)
10
Inlet pressure(barg)
20
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-50/10-20 | 500 | 50 | 1 | 2 | 1200×800×1100 | 900 | 5.5 |
| 2 | GZ-35/32-65 | 500 | 35 | 3.2 | 6.5 | 1100×800×1100 | 800 | 7.5 |
| 3 | GZ-63/（0.47-1.6）-22 | 1500 | 63 | 0.47-1.6 | 2.2 | 2400×1800×1600 | 2600 | 15 |
| 4 | GV-10/1.2-25 | 600 | 10 | 0.12 | 2.5 | 1500×780×1080 | 850 | 5.5 |
| 5 | GV-100/3-12 | 2000 | 100 | 0.3 | 1.2 | 26000×1600×1700 | 2200 | 18.5 |
| 6 | GV-550/10-20 | 2000 | 550 | 1 | 2 | 2600×1800×1600 | 3000 | 22 |
| 7 | GV-72/5-36 | 1500 | 72 | 0.5 | 3.6 | 2000×1500×1700 | 3000 | 15 |
| 8 | GL-60/1-25 | 2000 | 60 | 0.1 | 2.5 | 2300×1800×1600 | 2800 | 22 |
| 9 | GL-400/20-50 | 3000 | 400 | 2 | 5 | 4000×2500×2200 | 4500 | 30 |
| 10 | GD-850/4-12 | 5000 | 850 | 0.4 | 1.2 | 3500×2300×1500 | 4500 | 45 |
| 11 | GD-1300/6-12 | 8000 | 1300 | 0.6 | 1.2 | 3800×2300×1800 | 6000 | 75 |
| 12 | GD-450/1-12 | 9000 | 450 | 0.1 | 1.2 | 3800×2300×2000 | 100000 | 90 |
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
Why is a diaphragm compressor preferred for propylene gas?
Propylene used in polymerization and high-purity chemical processes requires absolute purity. Diaphragm compressors isolate the gas in an independent chamber, ensuring zero contact with hydraulic oils or lubricants, thereby preventing contamination.
How does the compressor achieve zero leakage for safety?
The compressor uses a static seal design that completely seals the compression chamber. Since propylene is highly flammable, this design prevents hazardous gas leaks, ensuring safe operation in plants and laboratories.
What is the significance of the critical temperature of propylene in design?
Propylene's critical temperature is 92.3°C. The thermodynamic design must ensure that the discharge temperature at each stage remains above the dew point. This prevents liquefaction inside the cylinder, avoiding "liquid slugging" which can damage the diaphragm.
What materials are recommended for wetted parts and diaphragms?
High-performance alloys like Inconel 718 are used for the diaphragms to withstand alternating stresses and resist corrosion. Wetted parts are preferentially constructed from 316L stainless steel for maximum chemical compatibility.
What safety systems protect against diaphragm failure?
A three-layer diaphragm rupture alarm is integrated. If the inner layer fails, the alarm alerts operators before gas-oil mixing or external leakage can occur. Multi-parameter interlocks also shut down the system during low suction pressure or cooling failure.