Oil and gas recovery systems and oil and gas recovery oil guns

Today to introduce a now is the growing popularity of oil guns, such oil guns are called oil and gas recovery oil guns, oil and oil can be recovered at the same time, which is what people call "stealing oil" oil gun, it can refuel At the same time out of the fuel dispensing meters within the tank. Oil and gas recovery oil gun from the appearance point of view and ordinary self-sealing oil gun is obvious, as shown below with oil and gas recovery suction port with a gas hood structure of the oil gun is a typical oil and gas recovery oil gun.
Of course, the "recovery of oil and gas" is not for the purpose of "stealing oil." To know that the light components of petroleum products (such as gasoline) has a strong volatility, this oil and gas is toxic, volatile to the environment will be people and animals, lungs, plants harm, the other volatile oil and gas Mixed with static discharge easy to burn a fire, in order to reduce these hazards, only a series of oil and gas recovery technology.
In the current gas station system, oil and gas emissions are mainly produced in the tank automation system unloading and car refueling of these two links for oil tanker oil and gas emissions recovery is called a recovery of oil and gas (also known as the first phase of oil and gas recovery) Oil and gas recovery for this part of the car refueling is called secondary oil and gas recovery (also known as the second phase of oil and gas recovery). And the most relevant to us, is this "secondary oil and gas recovery" process.