gravity sand filter meaning in English

重力砂滤池

In environment water treatment aspect , there are professional technology staff who are working on environment protect and dedicate to transplant foreign advanced technology , meanwhile they develop acidity / alkalescence waste water treatment technologies and equipment , soft water desalination technologies and equipment , high effectual lime preparation and putting set , high effectual integration putting set , at the same time , develop gravity sand filters , bevel precipitate set , many series of filter set , super filter set , prevent infiltration set , cooling tower , large - sized frothing water tank , cleaning device etc . . all these technologies and equipments are domestic leading level
环保水处理方面，有专业从事环保方面的技术专业人员，在从事多方面环境污染治理工作的基础上，致力于消化移植国外先进技术，研制开发出酸性/碱性废水处理工艺和成套设备、软水脱盐水工艺和成套设备、高效石灰乳制备及投加装置、高效一体化加药装置，同时开发出重力砂滤器、斜板沉淀器、多种过滤器、超滤装置、反渗透装置、冷却塔、大型鼓泡水箱、清洗装置等单体设备，这些工艺技术与设备均居于国内领先水平。