Classification by application scope
(1) General-purpose mechanical equipment (also known as standardized equipment): This refers to mechanical equipment commonly used in industrial production, such as metal cutting equipment, forging equipment, casting equipment, pumps, compressors, fans, electric motors, lifting and transport machinery, etc. This type of equipment can be mass-produced by manufacturers according to standardized series.
(2) Special-purpose mechanical equipment: This refers to specialized mechanical equipment used specifically for petrochemical production or a particular production aspect, such as drying, filtering, and pressure filtration machinery, sewage treatment, rubber, fertilizer, and pharmaceutical processing machinery, oil refining machinery, film production machinery, etc.
Classification by function in production
(1) Liquid medium conveying and feeding machinery, such as various pumps.
(2) Gas conveying and compression machinery, such as vacuum pumps, fans, and compressors.
(3) Solid conveying machinery, such as elevators, belt conveyors, screw conveyors, scraper conveyors, etc. (4) Crushing and screening machinery, such as crushers, ball mills, vibrating screens, etc.
(5) Refrigeration machinery, such as freezers and crystallizers, etc.
(6) Mixing and separating machinery, such as mixers, filters, centrifuges, dewatering machines, filter presses, etc.
(7) Molding and packaging machinery, such as material handling machines, molding machinery for paraffin wax, asphalt, and sulfur, and packaging machinery for products, etc.
(8) Cranes, such as various bridge cranes, gantry cranes, etc.
(9) Metal processing machinery, such as cutting, grinding, milling, and drilling machine tools, and metal material testing machinery, etc.
(10) Power machinery, such as steam turbines, generators, and electric motors, etc.
(11) Wastewater treatment machinery, such as oil skimmers, sludge skimmers, sludge (oil) conveyors, etc.
(12) Other special-purpose machinery, such as oil pumps, hydraulic decoking machines, dryers, etc.