格柵和篩網(wǎng)調(diào)節(jié)池課件

第2章廢水的預(yù)處理格柵和篩網(wǎng)第2章廢水的預(yù)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(hù)后續(xù)處理設(shè)施能正常運(yùn)行的一種預(yù)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(jìn)水泵站朱水井的進(jìn)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(guó)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(yù)處理格柵和篩網(wǎng)第2章廢水的預(yù)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(hù)后續(xù)處理設(shè)施能正常運(yùn)行的一種預(yù)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(jìn)水泵站朱水井的進(jìn)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(guó)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