During operation, low-temperature storage tanks pose potential hazards such as leaks, overpressure, and explosions. If the latent risks before these accidents are not discovered and addressed in time, they can escalate into severe incidents. Therefore, establishing and strictly implementing a comprehensive inspection system is crucial for ensuring the safe operation of low-temperature storage tanks.

When the low-temperature storage tank is in operation, potential dangers such as leaks, overpressure, and explosions exist. If the hidden dangers before these accidents are not discovered and addressed in time, they can escalate into severe incidents. Therefore, establishing a comprehensive inspection system and executing it diligently is crucial for ensuring the safe operation of the low-temperature storage tank. Daily inspections of the low-temperature storage tank mainly include the following:

1. Are there any leaks in the valves and piping, and is there any frosting or sweating on the casing?

2. Are all valves in normal on/off condition?

3. Are the instruments (level gauges, pressure gauges) functioning properly, and do the DCS display parameters match the field primary meters?

4. Is the storage tank pressure normal? When the pressure approaches or equals the maximum pressure, the vent valve should be opened to relieve pressure.

5. Is the liquid fill rate over 95%?

6. Is the seal gas normal for atmospheric pressure powder insulation storage tanks? (50mmH2O)

7. No flammable or explosive materials and any debris are allowed near the liquid oxygen storage tank, with clear signage.

8. No smoking or open flame near the liquid oxygen storage tank.

9. Test the acetylene and total hydrocarbon content in the liquid oxygen storage tank at least once a week. The acetylene content must not exceed the specified process standard; if it does, liquid oxygen must be discharged and replaced promptly for treatment.

10. Is the liquid oxygen storage tank properly grounded?

11. Ensure there's a certain amount of liquid inside the can if it's not going to be used for a long period, to avoid spending a significant amount of time re-cooling and replacing the can.

12. Are the legs damaged, is the base sinking, tilting, or cracked, the condition of the fastening bolts, and any deformation of the tank?

13. Regularly check the vacuum level of the storage tank.

LiquefiedNatural Gas Storage TankA specialized product for storing liquefied natural gas, a special equipment, Category III pressure vessel, made of 06Ni9DR material, has completed inspections, hydrostatic and pneumatic testing, on-site inspection by the Technical Supervision Bureau, and issued pressure vessel inspection certificates. The manufacturing process includes external rust removal and painting, etc. The liquefied gas storage tank undergoes strict quality assessment for the material, dimensions, weld quality, operational quality, installation quality, internal equipment, and safety accessories of the pressure components.

Routine physical and chemical tests of the drum material, such as mechanical properties and chemical composition.

Rigorous X-ray non-destructive testing and magnetic particle inspection are conducted on the weld joints, weld seams, head ends of the tanks, and the mutual geometric positions of all pressure components. Tests for product sealing, pressure resistance, and all technical indicators that may affect the safe operation of the product are also conducted.

Common structures of LNG tanks include: vertical LNG tanks, horizontal LNG tanks, vertical mother-child tanks, and atmospheric storage tanks.

Vertical LNG Storage Tank

Volume options include 50, 100, 150, and 200 cubic units.

Horizontal LNG Storage Tank

Volume available in 60 and 100 cubic options.

Vertical母子罐

A mother drum consists of multiple child drums connected in series to meet large capacity storage needs, with several child drums assembled parallel within a large outer drum. The number of child drums ranges from 3 to 7, generally not exceeding 12. The volume of individual child drums should not be overly large, typically between 100 to 150 cubic meters, with the maximum reaching 250 cubic meters. Common sizes include 1000 cubic meters, 1750 cubic meters, and 2000 cubic meters.

Atmospheric Storage Tank:

We offer large and medium-sized atmospheric LNG storage tanks, as well as extra-large atmospheric LNG storage tanks.