| Parameter type |
Parameter |
| Product specifications |
27 cubic low-temperature liquid transport tanker (natural gas) |
| Vehicle dimensions (length, width, height) |
11890× 2520×3720 mm |
| Total Quality |
30195 kg |
| curb weight |
19715 kg |
| Maximum allowable filling capacity |
10350 kg |
| Driver and passenger quality |
130 kg |
| Axle load distribution at full load |
The first two axes |
6236/6714 kg |
| |
Rear two axes |
17245 kg |
| Number of axes |
Three axes |
| wheelbase |
1800/4575/1400 mm |
| Tire model |
295/80R22.5，12R22.5 |
| Roll stability angle at full load |
28.8 ° (Static) |
| braking system |
Disc type air chamber with automatic brake clearance adjustment device, device testing brake pipeline interface connector. Electronic brake system EBS with ABS |
| Frame |
Double layered frame, width 850mm |
| Suspension system |
3/3/-/-(Rear 2-axle air suspension) |
| Front suspension/rear suspension mm |
1430/2685 |
| Approach angle/departure angle ° |
19/10 |
| Design speed limit |
turn a corner |
≤ 20km/h |
| |
Flat road surface |
≤ 80km/h |
| Design service life |
10 years |
| Tank parameters |
volume |
Geometry/Effective：27/24.3m3 |
| |
texture of material |
Horizontal/vertical, double-layer cylindrical vacuum powder insulation structure |
| |
Material of inner tank wall |
9Ni steel or aluminum alloy (low temperature resistance) |
| |
Outer tank wall material |
Prestressed reinforced concrete or stainless steel |
| |
Adiabatic structure |
Double layered wall structure, filled with insulation material in the middle |
| Design pressure |
Content container：1.0 MPa ，Shell：-0.1 MPa |
| Design temperature |
Content container：-122 ℃ ，Shell：50 ℃ |
| working pressure |
Content container：0.94 MPa ，Shell：-0.1 MPa |
| working temperature |
Content container：-162～-123 ℃ ，Shell：normal atmospheric temperature |
| Medium (natural gas) |
characteristic |
Flammable and explosive |
| |
density |
426kg/m3 |
| Minimum Design Metal Temperature |
Content container：-196 ℃ ，Shell：-40 ℃ |
| Main materials of pressure bearing components |
Content container：S30408（RP1.0) ，Shell：16MnDR/Q345R |
| Leakage test |
Content container：Air tightness1.0MPa（Whole vehicle） ，Shell：Helium mass spectrometry leak detection |
| Air pressure test |
Before vacuum |
1.27MPa |
| |
After vacuum |
1.17MPa |
| Vacuum interlayer leakage rate |
≤ 5× 10-9 Pa·m3/s |
| Vacuum interlayer leakage rate |
≤ 1×10-6Pa.m3/s(Interlayer) |
| Gas displacement |
Nitrogen replacement |
| Factory sealing vacuum degree |
≤ 8.0×10-2Pa |
| Static evaporation rate%d |
≤ 0.30（LN2） |
| Corrosion allowance |
0 mm |
| Design vacuum life |
5 years |
| Liquid level meter |
model |
NDL-5-(0-15KPa) |
| |
type |
Combination differential pressure gauge |
| |
Nominal pressure |
2.5 MPa |
| |
Scope of testing |
0-15 KPa |
| |
accuracy |
Level 2.5 |
| Pressure gauge |
Dial diameter |
Φ100 mm |
| |
Nominal pressure |
2.5 MPa |
| |
Scope of testing |
0～2.5 MPa |
| |
accuracy |
Level 1.6 |
| Safety valve |
model |
DA22F-40P |
| |
type |
Fully open type |
| |
Nominal pressure |
4.0 MPa |
| |
Set pressure main/auxiliary |
1.1/1.15 MPa |
| |
Return pressure main/auxiliary |
0.99/1.04 MPa |
| |
Valve seat throat diameter |
17 mm |
| Loading and unloading device |
Connector Type |
flange |
| |
Nominal diameter |
DN50 |
| Emergency shut-off device (gas/liquid phase) |
model |
DJ661F-40P |
| |
type |
External |
| |
Nominal pressure |
4.0 MPa |
| |
Nominal diameter |
DN50 |
| |
Operation method |
Pneumatic |
| |
Closing time |
＜10 s |
| |
Melting temperature |
70± 5 ℃ |
| Vacuum valve |
ZK-50-2 |
| Low temperature check valve |
DH61F-40P DN50 |
| Low temperature shut-off valve |
DJ61F-40P DN10/DJ61F-40P DN32/DJ61F-40P DN50 |
| Low temperature emergency shut-off valve |
DJ661F-40P DN32/DJ661F-40P DN50 |
| 1/8 “vacuum gauge valve |
DV-6R |
