Boiler refers to the use of various fuels, electricity or other energy sources, will be filled with liquid heated to a certain parameter, and the external output of thermal energy equipment, the scope of which is provided for the volume greater than or equal to 30L pressurized steam boiler; outlet water pressure greater than or equal to 0.1MPa, and the rated power is greater than or equal to 0.1MW pressurized hot water boiler; organic heat carrier boiler.
Pressure vessel is a gas or liquid, carrying a certain pressure of the closed equipment, the scope of its provisions for the maximum working pressure greater than or equal to 0.1MPa, and the product of pressure and volume greater than or equal to 2.5MPa-L gas, liquefied gases and liquids and the maximum working temperature is higher than or equal to the standard boiling point of the stationary container and mobile container; contain the nominal working pressure greater than or equal to 0.2MPa, and the rated power greater than or equal to 0.1MW hot water boiler; organic heat carrier boilers. Pressure greater than or equal to 0.2MPa, and the product of pressure and volume greater than or equal to 1.0MPa-L of gases, liquefied gases and liquids with a standard boiling point equal to or less than 60 ℃ cylinders; oxygen tanks and so on.
Pressure piping refers to the use of a certain pressure, for the delivery of gas or liquid tubular equipment, the scope of its maximum working pressure greater than or equal to 0.1MPa gas, liquefied gases, steam media or flammable, explosive, toxic, corrosive, the maximum operating temperature is higher than or equal to the standard boiling point of the liquid media, and the nominal diameter of the pipeline is greater than 25mm.
The elevator is a power-driven, the use of a box running along a rigid guide rail or along a fixed line running steps, lift or parallel transportation of people, goods, electromechanical equipment, including manned (goods) elevators, escalators, moving walkways, etc..
Legal basis:
"Chinese People's Republic of China *** and the State Special Equipment Safety Law"
Article 3 of the safety of special equipment should adhere to the safety first, prevention first, energy saving and environmental protection, the principle of comprehensive management.
Article 4 of the state on the production, operation and use of special equipment, the implementation of classification, the whole process of safety supervision and management.
Article 5 of the State Council is responsible for the supervision and management of special equipment safety supervision and management of the national special equipment safety supervision and management. Local people's governments at or above the county level is responsible for the supervision and management of special equipment safety supervision and management of special equipment within the administrative region.
Article VI of the State Council and local people's governments at all levels should strengthen the leadership of special equipment safety work, supervise the relevant departments to fulfill their supervisory and management responsibilities.
Local people's governments at or above the county level shall establish a coordinating mechanism, timely coordination, to solve problems in the supervision and management of special equipment safety.
Article VII of special equipment production, operation, use of units should comply with this law and other relevant laws and regulations, the establishment and improvement of special equipment safety and energy saving responsibility system, to strengthen the safety of special equipment and energy saving management, to ensure that special equipment production, operation, use of safety, energy saving requirements.