咸水皂大队为地方性水氟中毒病区,氟骨症发病率45％,氟斑牙症84％,居民饮用井水含氟平均11.32毫克/升。水改后,新大口井水源水含氟3～4毫克/升。用三氯化铝(含铝约10％)进行新水源降氟试验,效果较好。设备和方法降氟设备见图1。在新水源井屋内,建一个3.0×1.7×1.8米水泥池,用于沉淀降氟,配成的三氯化铝置于投药缸内,开水泵时,用硬胶皮管由投药缸吸入水泵负压管内.为使提升水源水泵也能提升水泥池内澄清水入7.5米高水塔内,装4个截门控制,使一泵两用。先关闭截门3、4与5,然后开截门1与2,开泵可提 Salt water soap brigade for the endemic fluorosis area, skeletal fluorosis incidence of 45%, dental fluorosis 84%, residents drinking water containing fluoride average 11.32 mg / liter. After the water is changed, the new large well water source fluoride 3 ~ 4 mg / l. With aluminum trichloride (aluminum content of about 10%) new water fluoride test, the effect is better. Equipment and methods Fluoride equipment shown in Figure 1. In the new water well house, to build a 3.0 × 1.7 × 1.8 meters of cement pool, used for precipitation fluoride, dubbed aluminum chloride placed in the dosing cylinder, the pump is turned on, with a hard rubber hose from the injection cylinder inhalation pump negative In order to enhance the water pump can also improve the water inside the concrete pool to clarify the water into the 7.5-meter-high tower, equipped with four cut-off control, so that a pump. Close the cutoff 3,4 and 5, and then open the cut-off 1 and 2, open the pump to mention