The origin of steam-water mixing heater

The steam-water mixing heater originated from "Star Brand" series steam heaters produced by Japan Beidou Company-"Liquid Star Inline Steam Heater". The first steam-water mixed heater in China was successfully developed for the first time in 1985, successfully developed in Changsha radiator factory in 1987, and patented in 1988. At the same time, 1987 The "Design Manual of Heating and Ventilation" edited by Lu Yaoqing, the Northwest Design Institute of China Architecture, specially recommends the use of "Sem _QSH mixed steam-water heater". With 1987 and 1989 respectively, he won the major scientific and technological achievement award of the Ministry of Urban and Rural Construction and Environmental Protection and the outstanding new product award of Hunan Province. Based on its excellent performance and broad market, many domestic manufacturers subsequently copied and sold it.