● Liquefied gas carrier (LPG carrier)
English: Liquefied Gas Tanker truck (LPG truck)
Also known as: LPG tanker, LPG transporter, is a special vehicle used to transport liquefied gases such as propane, propylene, dimethyl ether, liquid ammonia, methylamine, and acetaldehyde.

This transporter transports tank cars that have a maximum working pressure of 0.1 MPa or more, a design temperature of not more than +50°C, and a steel tank.
The liquefied gas carrier consists of a combination of a tank body and a chassis. The main pressure element: refers to the tank body, head, manhole cover, flange, bolts and the nominal diameter of the nozzle is greater than or equal to 250mm.
Low-temperature type automobile tanker: refers to a medium that transports liquid oxygen, liquid nitrogen, liquid hydrogen, liquid argon, liquid carbon dioxide, etc. The tank body is a steel tanker with a thermal insulation layer and a pressure jacket on the outside.
The safety accessories required for this type of vehicle: Rupture disc device, emergency cutoff device, static conductive device, safety valve, pressure gauge, level gauge, thermometer.
The degree of toxicity of the medium of transport: refers to the grade classified according to the provisions of the “Supervision Regulations for Safety Technology for Pressure Vessels” issued by the Ministry of Labor.
The tanker includes a tanker-type automobile tanker and a semitrailer-type tanker, which are fixed on the chassis of the vehicle, and the tank body may be a naked type, a thermal insulation layer or a thermal insulation layer type.

In addition to designing, manufacturing, using, transporting, inspecting, repairing and renovating the tanker, it must comply with the safety supervision regulations for liquefied gas tank trucks, and also comply with the requirements of industry standards and drawings, and shall abide by the state’s management of automobiles and transportation. Provisions.
● Classification of liquefied gas carriers:
Liquefied gas carriers are classified into the following categories from use, manufacture, and inspection:
(1) According to different loading materials, it can be divided into: propane transporter, propylene transporter, dimethyl ether transporter, liquid ammonia transporter, methylamine transporter, acetaldehyde transporter, etc.

(2) According to the role of the process and the load volume, it can be divided into: liquefied gas carriers, liquefied gas transport semi-trailers, liquefied gas storage tanks. Liquefied gas storage tanks can be designed into two types: underground storage tanks and above-ground storage tanks.
● Safety Operation Regulations for Liquefied Gas Carriers 1. The tanker used should be manufactured by a state-designated manufacturing plant and be licensed for operation. There must be fire-fighting equipment on the car.
2. When the tanker is traveling, there should be guards and other persons are prohibited from boarding. Drivers and guards are prohibited from smoking in the car. Tankers are not allowed to tow trailers. The "dangerous" sign should be hung when driving.
3. The driver shall not start the vehicle when loading or unloading.
4. When the temperature in the vehicle reaches 40 degrees, safe hunting facilities such as shade or water cooling outside the tank should be adopted.
5. If the tanker needs to stop during transit, there should be no open flames and buildings within 10 meters, and places that prevent exposure. Drivers and escorts must not be away from the vehicle at the same time. Do not park in offices, factories, mines, warehouses, and personnel.
6. When a large amount of liquefied gas leaks from the tanker, the leak shall be urgently stopped and the vehicle may not be started. At the same time, it immediately contacted the relevant units and departments, cut off all sources of fire, and adopted fire prevention and fire extinguishing measures in a timely manner.

Xia Gong Chu Sheng (Hubei) Special Vehicle Manufacturing Co., Ltd. Sales Manager Deng

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