Lianyungang Hengjiang Petrochemical Machinery Equipment Co., Ltd.
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What are the requirements for the bottom loading and unloading arm when the crane pipe is connected to the oil station?

The bottom loading and unloading arm is also called the liquid loading and unloading arm. It is composed of rotary joint, inner arm, outer arm, riser (mainly used for land), three-dimensional joint (mainly used for ship), balancer, control system and other components. It is mainly used for loading and unloading of automobile tank cars, train tank cars or tank ships. Liquid medium loading and unloading equipment. There is no leakage at the bottom of the rotary joint and the sealing ring. The key part of the rotary joint is made of alloy steel and stainless steel. It adopts double raceways, which can withstand severe axial, radial and torque loads, and can rotate flexibly. The unique sealing ring structure is made of wear-resistant and corrosion-resistant PTFE, embedded stainless steel frame, and polished sealing surface. The sealing performance is superior and reliable. Crane pipe columns (column-type general crane pipe columns) can be added according to user requirements.

Compared with the old-style hose joints, the crane pipeline adopts safety devices such as hard joints and emergency disconnection, which can effectively prevent the hose from exploding and breaking, and has high safety. The bottom loading and unloading arm is suitable for oil depots to distribute various fuels, and can also be used in the chemical industry. The industry and other industries receive and send various liquid raw materials for car and train refueling operations, which are widely used, but when the crane is connected to the petrol station, there are certain requirements. Standard flanges are installed at the pipe joints of the oil well platform and the crane to ensure that the foundation flanges are firm and reliable. The height of the flange is 2.1 to 2.2 meters above the ground, and the height of the flange is 2.7 to 2.8 meters when the bottom loading arm is inverted.

When the product leaves the factory, a sealing test is carried out.

When installing, only need to refer to the structural diagram, first connect the horizontal short pipe with the base flange on the platform, then connect the horizontal short pipe with the lifting arm group, and install the balancer to connect the balance rod. After the final assembly is completed, adjust the balancer, first raise the balance arm to about 60 degrees or above, then unscrew the end cap of the balancer, and adjust the screw to stabilize the crane pipeline within the range of -15 ~ 60 degrees.

The above is a small series telling you what are the requirements of the bottom loading and unloading arm when the crane tube is connected to the oil station. I hope the simple description can help you understand. The content is for reference only. If you need to refer to it, you can contact us.

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