The conventional configuration of the tanker was a special oil pump equipped with a pump into the pumping pipe. This pipe is made of Wuhan carbon steel and 304 stainless steel, and the tank (oil tank) is generally 5 cubic meters. To 30 cubic meters, there are some semi-trailers, their volume is 55 cubic meters. Their main way of importing oil is to pump oil from the manhole above the tank to the tank. However, in order to improve safety, our tanker production has done a bottom canning process.
What is the bottom canned? The bottom can also called the bottom loading system, the important components required for the retrofitting of the bottom part: The bottom canned main components include the tail gas recovery system, the spill prevention system, the subsea valve, the European standard can, the control head, and the SO2 socket. , anti-static systems, bottom canned API connectors. Our main process is the main process: steam purging, washing and wiping the tank body; cutting the oil sump, installing subsea valves; installing the oil system; installing gas phase circuit; refitting closed city manhole covers; water pressure, gas Dense and kerosene leak test.
This is the overall work screen for the bottom loading system. The oil can be seen as the importance of the electrostatic grounding strip. The electrostatic grounding devices of large gas stations are mainly fixed type. This is generally solved by gas stations. They are installed near large-scale land master oil depots. When each refueling vehicle comes over for refueling operations, they can be connected quickly and electrostatically grounded. The device is a standardized product for static electricity prevention in oil loading and unloading applications. It can not only introduce static electricity generated during the liquid transport process to the earth, but also can automatically detect the grounding conditions throughout the process. When the grounding is poor or disconnected, an audible alarm is issued to ensure the safety of production operations.
This picture can be easily seen. The tanker can be divided into bins. Each bin needs an aluminum alloy can (also called manhole). It can be equipped with anti-spill probes, subsea valves, unloading connections, and subsea valves. , also known as emergency shut-off valve, installed in the bottom of the tank, used when loading and refueling, easy to operate, saving time, safety and environmental protection.
Pressure balanced subsea valves are used for multi-tank tank trucks, which allow separate loading and unloading of different tanks. The three-way design simplifies the piping, reduces the load, and is simple to operate, safe and reliable.
Pneumatic shut-off valve is installed at the bottom of the tanker tank and can be used for bottom loading and refueling. The internal pressure of the valve is small and the flow rate is large. The valve flange has a cutting groove on the flange side. When the oil tank accident occurs, the broken groove is unable to bear. Excessive momentum will automatically disconnect the body piping and can body, while the automatic centering plunger and durable spring will remain sealed and the tank medium will not leak, thus ensuring the safety of the oil tank. When there is no air or other reason to open, you can open the cylinder piston rod and open it manually.
Aluminum alloy European standard cans, also known as manhole covers, are installed on the top of tanks, have built-in respiration and emergency discharge, and can be installed in the manhole cover oil and gas recovery valve, oil hole, anti-overflow probe, etc. Anti-overflow sensing system In the oil loading process, when the liquid level reaches the detection position, the sensing system will automatically alarm to stop the loading of oil. The built-in breathing valve keeps the internal pressure of the oil tank stable during the oil transportation and balances with the external pressure. The design of the dumping overflow prevents the tank truck from being sealed in the event of an accident and the pressure of the emergency exhaust device in the tank. In the case of a sharp increase, it will be automatically opened to release the pressure inside the tank, thereby preventing accidents and greatly improving the safety of oil transport.
The cooling water tank at the top of the tank can be used as a hand-washing device, and can also be used for cooling the tire. The specific implementation can be achieved by connecting the tank and the steam tank.
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