This series is a double-layer fixed low-temperature ethylene storage tank with high-vacuum powder insulation, custom-designed for ethylene’s -104°C cryogenic temperature and flammable & explosive characteristics. It integrates a full explosion-proof safety control system and dedicated low-temperature valve group, suitable for on-site centralized gas supply in petrochemical, rubber & plastic processing, fine chemical synthesis and other industries.
It combines excellent cryogenic stability, explosion-proof safety and easy operation, supporting both standardized production and global regulation-based customized design.
I. Core Basic Parameters
Parameter Item Typical Configuration (Customizable)
Designed Medium Low-temperature Ethylene (C₂H₄), cryogenic liquid at -104°C
Insulation Structure Double-layer tank + high-vacuum powder insulation, optimized for ethylene cryogenic service with ultra-low evaporation loss
Inner Tank Material 304/316L austenitic stainless steel, resistant to cryogenic embrittlement, ensuring high purity and no contamination
Outer Tank Material Q345R/16MnR high-strength carbon steel (304 stainless steel optional for enhanced anti-corrosion & weather resistance)
Anti-Corrosion Process Sand blasting + purging + spraying, heavy-duty two-component fast-curing coating (weather-resistant, salt-spray resistant, wear-resistant, dust-proof)
Standard Volume 1/5/10/20/30/50/100/150m³ (mainly small & medium volumes; large volumes customizable)
Rated Working Pressure 0.8 / 1.0 / 1.6 MPa, explosion-proof design for various supply and unloading conditions
Operating Temperature -104°C ~ 50°C, covering full cryogenic working conditions for ethylene
Medium Purity ≥99.95% for high-end chemical synthesis; 99.99% ultra-high purity available upon customization
Loading/Unloading Connections Sealed explosion-proof low-temperature liquid/vapor connections with dedicated explosion-proof quick connectors
Core Configurations Explosion-proof real-time monitoring system for pressure, level, temperature and vacuum; pneumatic emergency shut-off valve; static grounding interlock
Safety Accessories Dual explosion-proof safety valves, overpressure relief device, vacuum protection system, over-temperature alarm, flame detector (optional)
Operation Features Explosion-proof centralized control system, one-key operation, real-time data display, no 24/7 manual attendance required
Design Standards Base: GB 150, GB/T 24924. Customizable to ASME BPVC VIII, PED, ATEX, NFPA and other international explosion-proof & cryogenic standards
Key Replacement Ratio 1m³ liquid storage tank replaces 120 traditional high-pressure ethylene cylinders
II. Core Selling Points by Regional Market
(I) European Market
1. Full EU Explosion-Proof & Cryogenic Compliance
Customizable to meet PED, ATEX explosion-proof certification and ADR EU standards. Valve groups and monitoring systems use EU-certified explosion-proof components, fully complying with strict European regulations for cryogenic flammable & explosive media, enabling direct access to European chemical park centralized gas supply networks without compliance barriers.
2. Cryogenic Insulation & High Purity for High-End Chemical Industry
High-vacuum powder insulation is specially optimized for -104°C ethylene, with daily evaporation rate far below the industry average, greatly reducing ethylene loss. 316L stainless steel inner tank ensures purity ≥99.95%, precisely matching high-purity ethylene demand in European rubber & plastic processing, fine chemical synthesis and biodegradable new materials, in line with high-end manufacturing quality requirements.
3. Green & Low-Carbon Aligned with EU Industrial Policies
1m³ tank replaces 120 high-pressure cylinders, greatly cutting carbon emissions from repeated cylinder transportation. Ultra-low evaporation reduces ethylene emissions, supporting EU ETS carbon reduction, European Green Deal and the dual requirements of explosion protection and environmental protection in the chemical industry, helping enterprises achieve green production.
4. Weather-Resistant & Explosion-Proof for European Applications
Two-component eco-friendly anti-corrosion coating complies with EU RoHS directives, resistant to low temperature, humidity and acid rain, adapting to large temperature differences between northern and southern Europe. Explosion-proof centralized control system integrates seamlessly with European chemical park intelligent management systems, with standardized unloading and high connection efficiency.
(II) North American Market
1. Full compliance with US standards & complete explosion-proof system
Customized models comply with ASME BPVC VIII (cryogenic pressure vessels) and NFPA 30 explosion-proof standards, compatible with local chemical gas supply systems in the US and Canada. They can directly meet the centralized gas supply demand of large chemical enterprises in major petrochemical belts such as the U.S. Gulf Coast and Texas.
2. Large volume & high pressure for major petrochemical demand
Mainly provides 50–150m³ large-volume + 1.0/1.6MPa high-pressure versions, suitable for large ethylene production bases, rubber & plastic processing giants, and chemical fiber manufacturers. A single tank can supply gas for days to weeks, replacing multiple cylinder deliveries and greatly improving supply efficiency.
3. Intelligent explosion-proof monitoring for North American management
Supports customized remote explosion-proof intelligent monitoring system, enabling real-time transmission of level, pressure, temperature and vacuum data, explosion-proof alarms, and full data traceability, meeting the intelligent and standardized safety production requirements of North American chemical enterprises.
4. Adaptation to extreme conditions & wide temperature range
Tank insulation is optimized for both cryogenic and high-temperature environments, adapting to extreme alternating conditions: severe cold below -30°C in northern North America and high-temperature dryness in the south, ensuring stable ethylene storage. The tank frame is explosion-proof reinforced, suitable for complex outdoor installation in North American factories with excellent impact and deformation resistance.
(III) Southeast Asian Market
1. Optimized for tropical high temperature, low loss & overpressure control
High-vacuum powder insulation layer is thickened by 30%, and the outer shell is heat-insulated for high temperature. It operates stably in 40°C+ hot and humid environment, effectively controlling ethylene evaporation loss and preventing overpressure. Valves and sealing system are designed for high temperature, moisture resistance and explosion protection to avoid failure.
2. Small-to-medium volume for flexible local adaptation
Mainly promotes 1–50m³ compact models with small footprint, matching the gas demand of small and medium-sized petrochemical, plastic & rubber, and food packaging enterprises. Quick installation requires no complex infrastructure, suitable for limited space and budget of local SMEs.
3. Centralized gas supply for cost reduction & easy operation
1m³ tank replaces 120 high-pressure cylinders, solving high logistics and labor costs of cylinder transport in areas with incomplete logistics. Explosion-proof centralized control system features one-key operation and simple interface, no highly skilled explosion-proof personnel required.
4. Salt-spray resistant for coastal environments
Outer tank coating is enhanced for salt-spray resistance, suitable for highly corrosive coastal areas and extending outdoor service life. Wearing parts are globally common specifications for easy local maintenance.
(IV) Middle East Market
1. Full adaptation to extreme desert heat, stable explosion-proof storage
Tank insulation and outer shell are specially optimized for high temperature, ensuring stable operation under 55°C+ extreme desert heat and minimizing evaporation loss. Valves and connections are dust-proof and sand-proof with protective covers to avoid failure caused by sand ingress.
2. High-pressure direct supply for Middle East petrochemical demand
1.0/1.6MPa high-pressure versions can connect directly to the gas supply systems of petrochemical, plastic & rubber, and chemical fiber enterprises without on-site boosting, satisfying centralized gas supply in large petrochemical parks and ensuring continuous production.
3. Heavy anti-corrosion for desert & coastal dual environments
Outer tank uses desert-specific heavy-duty anti-corrosion and wear-resistant coating, resisting both sand abrasion and salt-spray corrosion along the Persian Gulf (Dubai, Abu Dhabi, Kuwait). One tank serves both environments without scene-specific customization, reducing procurement and management costs.
4. Long service life & low maintenance
Stainless steel inner tank, high-strength outer shell and professional anti-corrosion & explosion-proof technology ensure long service life and less frequent maintenance in high-temperature and sandy environment, greatly reducing later operation cost.
(V) African Market
Infrastructure-friendly explosion-proof design, high durability
Tank and frame are extra-thickened and explosion-proof reinforced with excellent anti-vibration, impact and deformation resistance, suitable for rough installation and logistics conditions. Sealing and explosion-proof components are simplified with fewer precision parts, lowering failure rates for open-air installation and limited facilities.
