A chiller is a type of water cooling equipment, a chiller is a cooling water equipment that can provide constant temperature, constant flow and constant pressure.
In industrial applications, chilled water or other liquids are pumped through processes or laboratory equipment for cooling. Industrial chillers are used in various industries for controlling the cooling of products, mechanisms and plant machinery. They are commonly used in the plastics industry for injection and blow molding, metal processing for cutting oils, welding equipment, die casting and machining, chemical processing, pharmaceutical formulation, food and beverage processing, papermaking, cement processing, vacuum systems, X-ray diffraction, electric power supply and power stations, analytical equipment, semiconductors, compressed air and gas cooling. They are also used for cooling high thermal energy, such as MR*** vibration imagers and lasers in specialized engineering projects, and in hospitals, hotels and campuses. Chillers for industrial applications can be centralized, with each unit cooling multiple needs, or decentralized with its own chiller for each application or piece of equipment. Each approach has its advantages. It is also possible to have a combination of centralized and decentralized chillers, especially when the cooling requirements are the same for some applications or usage points, but not all.
Special equipment refers to the safety of life, the danger of boilers, pressure vessels (including gas cylinders, the same below), pressure piping, elevators, cranes, passenger ropeways, large amusement rides and the field (plant) of special motor vehicles. Among them, boilers, pressure vessels (including gas cylinders), pressure piping for the pressurized class of special equipment; elevators, lifting machinery, passenger ropeways, large amusement rides for electromechanical class of special equipment. 2014 November, the State General Administration of Quality Supervision, Inspection and Quarantine published a newly revised "special equipment directory".
In accordance with the requirements of the State Bureau of Quality and Technical Supervision Order No. 4 "Product Quality Arbitration Inspection and Product Quality Appraisal Management Measures", to carry out product quality arbitration inspection, quality appraisal, quality accident appraisal, product loss appraisal, post-disaster assessment of the inspection and appraisal work.