Deliver safer and more efficient solutions for LPG
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Liquefied petroleum gas (LPG) in the chemical field belongs to class A and
A dangerous fire hazard with a very low flash point, easy combustion, large
volume expansion coefficient and explosion risk. So the transportation
operation has always been a relatively high-risk work.
Common petrochemical gas discharge connection is mainly standard flange bolted
connection. Before the operation, all staff must wear safety protective gloves
in strict accordance with the regulations, and check the status of
corresponding tools such as wrenches. In addition, the long-term maintenance
of flange joints should be done regularly. From the early use of rubber
asbestos gasket seals and 45 steel plain bolt combination; To a modified
combination of metal wound gaskets with inner and outer rings and high
strength bolts (35CrMo).
Although the components have been significantly improved in
anti-low-temperature ageing, sealing and bolt strength, the essential
operation process has not been changed, and it is still necessary to use no
less than 5 bolts in accordance with the regulations to complete the operation
in the direction of symmetry and crossing.
In addition to the factors such as the quality of storage tanks and the
failure of safety accessories, human error is still the most difficult to
control in the worksite.
Due to the complicated operation procedures, even as more experienced staff
will inevitably appear the operation of the scene, including the bolt
fastening is not uniform, due to inspection negligence caused by the flange
and seal gasket failure was not found, etc.
To sum up, misoperation, blind command and poor maintenance of equipment in
conveying operations lead to material running, bursting, dropping and leakage
everywhere. The first is to cause frostbite or poisoning accidents to staff, and
the worst is to cause open fire explosion.
Thus, it can be seen that the fault tolerance rate of traditional flange
connection is low. In the process of multi-link operation, there will be the
probability of human error, and the long operation time will also increase
the risk of accident virtually.
Then, as the "zero overflows" Dry Break Coupling of SME Industry, the
problems in the above scenario can be solved once and for all.
The humanized handle design only needs the knob joint to complete the
connection. The operation time of 5 seconds before and after and the special
internal two-way disc mechanism can realize the effective fast opening and
closing and the preferential working condition requirements.
Most importantly, the near-zero overflow effect can effectively protect the
safety of operators, and the high risk of leakage and the complicated
operation process will become a thing of the past.
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