格柵和篩網(wǎng)調(diào)節(jié)池課件

第2章廢水的預處理格柵和篩網(wǎng)第2章廢水的預處理1格柵與篩濾作用篩濾的目的是去除廢水中粗大的懸浮物和雜物(detritus),以保護后續(xù)處理設施能正常運行的一種預處理方法分類篩濾的構(gòu)件包括平行的棒、條、金屬網(wǎng)、格網(wǎng)或穿孔板。由平行的棒和條構(gòu)成的稱為格柵(barscreen)由金屬絲織物或穿孔板構(gòu)成的稱為篩網(wǎng)(screen)格柵與篩濾21、格柵格柵:由一組(或多組)相平行的金屬柵條與框架組成。位置:格柵一般斜置在進水泵站朱水井的進口處,分類平面格柵(flatbarscreen)按形狀篩網(wǎng)呈平面曲面格柵(curvebarscreen)篩網(wǎng)呈弧狀1、格柵3平面結(jié)構(gòu)A型平面格糖B型平面格柵平面結(jié)構(gòu)4格柵柵條的斷面形狀有圓形、矩形及方形,圓形的水力條件較方形好,但剛度較差。目前多釆用斷面形式為矩形的柵條。表10-3柵條的斷面形狀及尺寸柵條斷面形狀一般采用尺寸/mm形彡R形迎水面為半圓的矩形窗國迎水面背水面均為半圓形的矩形格柵柵條的斷面形狀有圓形、矩形及方形,5格柵和篩網(wǎng)調(diào)節(jié)池課件6格柵和篩網(wǎng)調(diào)節(jié)池課件7格柵和篩網(wǎng)調(diào)節(jié)池課件8格柵和篩網(wǎng)調(diào)節(jié)池課件9格柵和篩網(wǎng)調(diào)節(jié)池課件10格柵和篩網(wǎng)調(diào)節(jié)池課件11格柵和篩網(wǎng)調(diào)節(jié)池課件12格柵和篩網(wǎng)調(diào)節(jié)池課件13格柵和篩網(wǎng)調(diào)節(jié)池課件14格柵和篩網(wǎng)調(diào)節(jié)池課件15格柵和篩網(wǎng)調(diào)節(jié)池課件16格柵和篩網(wǎng)調(diào)節(jié)池課件17格柵和篩網(wǎng)調(diào)節(jié)池課件18格柵和篩網(wǎng)調(diào)節(jié)池課件19格柵和篩網(wǎng)調(diào)節(jié)池課件20格柵和篩網(wǎng)調(diào)節(jié)池課件21格柵和篩網(wǎng)調(diào)節(jié)池課件22格柵和篩網(wǎng)調(diào)節(jié)池課件23格柵和篩網(wǎng)調(diào)節(jié)池課件24格柵和篩網(wǎng)調(diào)節(jié)池課件25格柵和篩網(wǎng)調(diào)節(jié)池課件26格柵和篩網(wǎng)調(diào)節(jié)池課件27格柵和篩網(wǎng)調(diào)節(jié)池課件28格柵和篩網(wǎng)調(diào)節(jié)池課件29格柵和篩網(wǎng)調(diào)節(jié)池課件30格柵和篩網(wǎng)調(diào)節(jié)池課件31格柵和篩網(wǎng)調(diào)節(jié)池課件32格柵和篩網(wǎng)調(diào)節(jié)池課件33格柵和篩網(wǎng)調(diào)節(jié)池課件34格柵和篩網(wǎng)調(diào)節(jié)池課件35格柵和篩網(wǎng)調(diào)節(jié)池課件36格柵和篩網(wǎng)調(diào)節(jié)池課件37格柵和篩網(wǎng)調(diào)節(jié)池課件38格柵和篩網(wǎng)調(diào)節(jié)池課件39格柵和篩網(wǎng)調(diào)節(jié)池課件40格柵和篩網(wǎng)調(diào)節(jié)池課件41格柵和篩網(wǎng)調(diào)節(jié)池課件42格柵和篩網(wǎng)調(diào)節(jié)池課件43格柵和篩網(wǎng)調(diào)節(jié)池課件44格柵和篩網(wǎng)調(diào)節(jié)池課件45第2章廢水的預處理格柵和篩網(wǎng)第2章廢水的預處理46格柵與篩濾作用篩濾的目的是去除廢水中粗大的懸浮物和雜物(detritus),以保護后續(xù)處理設施能正常運行的一種預處理方法分類篩濾的構(gòu)件包括平行的棒、條、金屬網(wǎng)、格網(wǎng)或穿孔板。由平行的棒和條構(gòu)成的稱為格柵(barscreen)由金屬絲織物或穿孔板構(gòu)成的稱為篩網(wǎng)(screen)格柵與篩濾471、格柵格柵:由一組(或多組)相平行的金屬柵條與框架組成。位置:格柵一般斜置在進水泵站朱水井的進口處,分類平面格柵(flatbarscreen)按形狀篩網(wǎng)呈平面曲面格柵(curvebarscreen)篩網(wǎng)呈弧狀1、格柵48平面結(jié)構(gòu)A型平面格糖B型平面格柵平面結(jié)構(gòu)49格柵柵條的斷面形狀有圓形、矩形及方形,圓形的水力條件較方形好,但剛度較差。目前多釆用斷面形式為矩形的柵條。表10-3柵條的斷面形狀及尺寸柵條斷面形狀一般采用尺寸/mm形彡R形迎水面為半圓的矩形窗國迎水面背水面均為半圓形的矩形格柵柵條的斷面形狀有圓形、矩形及方形,50格柵和篩網(wǎng)調(diào)節(jié)池課件51格柵和篩網(wǎng)調(diào)節(jié)池課件52格柵和篩網(wǎng)調(diào)節(jié)池課件53格柵和篩網(wǎng)調(diào)節(jié)池課件54格柵和篩網(wǎng)調(diào)節(jié)池課件55格柵和篩網(wǎng)調(diào)節(jié)池課件56格柵和篩網(wǎng)調(diào)節(jié)池課件57格柵和篩網(wǎng)調(diào)節(jié)池課件58格柵和篩網(wǎng)調(diào)節(jié)池課件59格柵和篩網(wǎng)調(diào)節(jié)池課件60格柵和篩網(wǎng)調(diào)節(jié)池課件61格柵和篩網(wǎng)調(diào)節(jié)池課件62格柵和篩網(wǎng)調(diào)節(jié)池課件63格柵和篩網(wǎng)調(diào)節(jié)池課件64格柵和篩網(wǎng)調(diào)節(jié)池課件65格柵和篩網(wǎng)調(diào)節(jié)池課件66格柵和篩網(wǎng)調(diào)節(jié)池課件67格柵和篩網(wǎng)調(diào)節(jié)池課件68格柵和篩網(wǎng)調(diào)節(jié)池課件69格柵和篩網(wǎng)調(diào)節(jié)池課件70格柵和篩網(wǎng)調(diào)節(jié)池課件71格柵和篩網(wǎng)調(diào)節(jié)池課件72格柵和篩網(wǎng)調(diào)節(jié)池課件73格柵和篩網(wǎng)調(diào)節(jié)池課件74格柵和篩網(wǎng)調(diào)節(jié)池課件75格柵和篩網(wǎng)調(diào)節(jié)池課件76格柵和篩網(wǎng)調(diào)節(jié)池課件77格柵和篩網(wǎng)調(diào)節(jié)池課件78格柵和篩網(wǎng)調(diào)節(jié)池課件79格柵和篩網(wǎng)調(diào)節(jié)池課件80格柵和篩網(wǎng)調(diào)節(jié)池課件81格柵和篩網(wǎng)調(diào)節(jié)池課件82格柵和篩網(wǎng)調(diào)節(jié)池