论文部分内容阅读
澄海市自来水公司十分重视水质管理,严格按照建设部颁发的《城市供水行业2000年技术进步发展规划》的要求把好水质关。由于该市前期久旱无雨,韩江外砂河段水位下降,水体基本处于静止状态。加上气温偏高,日照充足,水体富含营养,造成原水中的藻类大量繁殖,pH值上升,藻类随原水进入水厂净化工艺后,经过反应池与混凝剂混凝反应,但在沉淀池无法全部沉淀去除,流经滤池时便堵塞滤砂间隙,严重影响过滤效果,这严重影响市区正常供水。
Chenghai City Water Company attaches great importance to water quality management, in strict accordance with the Ministry of Construction issued the “urban water supply industry in 2000 technological progress and development plan,” the request of good water quality. Due to the rainy and rainy days in the city, the water level in the outer reaches of the Hanjiang River dropped and the water body was basically at a standstill. Coupled with high temperatures, adequate sunshine, the water is rich in nutrients, resulting in a large number of raw water algae breeding, pH value increases, algae with raw water into the water purification process, through the reaction pool and coagulant coagulation reaction, The pool can not all be removed by sedimentation, which will clog the filter sand when it flows through the filter, seriously affecting the filtering effect, which seriously affects the normal water supply in the urban area.