冷卻塔是利用空氣同水的接觸(直接或間接)來lai冷leng卻que水shui的de設she備bei。是shi以yi水shui為wei循xun環huan冷leng卻que劑ji,從cong一yi個ge係xi統tong中zhong吸xi收shou熱re量liang並bing排pai放fang至zhi大da氣qi中zhong,從cong而er降jiang低di塔ta內nei溫wen度du,製zhi造zao冷leng卻que水shui可ke循xun環huan使shi用yong的de設she備bei。接jie下xia來lai小xiao編bian就jiu為wei大da家jia介jie紹shao一yi下xia最zui全quan!各種冷卻塔的優缺點。
1、逆流式節能冷卻塔
逆流式節能冷卻塔是指水流在塔內垂直落下,氣qi流liu方fang向xiang與yu水shui流liu方fang向xiang相xiang反fan的de冷leng卻que塔ta。逆ni流liu式shi冷leng卻que塔ta是shi水shui在zai塔ta內nei填tian料liao中zhong,塔ta內nei的de水shui從cong上shang到dao下xia,塔ta內nei的de空kong氣qi從cong下xia到dao上shang進jin行xing反fan流liu,這zhe既ji是shi逆ni流liu式shi冷leng卻que塔ta。
逆流式節能冷卻塔的優點:
1、zhengtaoshebishejijiandan,peishuixitongtongchang,zhenggepeishuiguochengbuxuyaotebieyaoqiu,bingqiebuyidusai。caiyonglelinshuitianliao,fangzhilaohuaheshiqihuiliu。zaiwendubijiaodidedifang,rongyicaiqukangdongcuoshi。bingqiekeyishejiduotailengquetatongshishiyong。
2、zhengtaoshebeishejibijiaojiandan,caozuobijiaojiandan。zhengtaoshebeishengchanchengbenkeyikongzhi,tongchanghuizaiyixiedaxingdelengquexunhuanshuizhongshiyong。lengquetagongzuoyuanlishitongfengdekongqicongzhengquedejiaoduchuixiangdixialaideshui,dangkongqitongguozhexieshuidideshihou,yibufenshuijiuzhengfale,youyuyongyuzhengfashuididereliangjiangdileshuidewendu,shengyudeshuijiubeilengquele。zhezhongfangfadelengquexiaoguoyilaiyukongqidexiangduishiduyijiyali。dangshuidihekongqijiechushi,yifangmianyouyukongqiyubudezhijiechuanre,lingyifangmianyouyushuizhengqibiaomianhekongqizhijiancunzaiyalicha,zaiyalidezuoyongxiachanshengzhengfaxianxiang,daidaomuqianweizouzhengfaqianre,jiangshuizhongdereliangdaizoujizhengfachuanre,congerdadaojiangwenzhimude。lengquetadegongzuoguocheng:圓形逆流式冷卻塔的工作過程為例:熱水自主機房通過水泵以一定的壓力經過管道、橫喉、曲喉、中心喉將循環水壓至冷卻塔的播水係統內,通過播水管上的小孔將水均勻地播灑在填料上麵;幹(gan)燥(zao)的(de)低(di)晗(han)值(zhi)的(de)空(kong)氣(qi)在(zai)風(feng)機(ji)的(de)作(zuo)用(yong)下(xia)由(you)底(di)部(bu)入(ru)風(feng)網(wang)進(jin)入(ru)塔(ta)內(nei),熱(re)水(shui)流(liu)經(jing)填(tian)料(liao)表(biao)麵(mian)時(shi)形(xing)成(cheng)水(shui)膜(mo)和(he)空(kong)氣(qi)進(jin)行(xing)熱(re)交(jiao)換(huan),高(gao)濕(shi)度(du)高(gao)晗(han)值(zhi)的(de)熱(re)風(feng)從(cong)頂(ding)部(bu)抽(chou)出(chu),冷(leng)卻(que)水(shui)滴(di)入(ru)底(di)盆(pen)內(nei),經(jing)出(chu)水(shui)管(guan)流(liu)入(ru)主(zhu)機(ji)。但(dan)是(shi),水(shui)向(xiang)空(kong)氣(qi)中(zhong)的(de)蒸(zheng)發(fa)不(bu)會(hui)無(wu)休(xiu)止(zhi)地(di)進(jin)行(xing)下(xia)去(qu)。當(dang)與(yu)水(shui)接(jie)觸(chu)的(de)空(kong)氣(qi)不(bu)飽(bao)和(he)時(shi),水(shui)分(fen)子(zi)不(bu)斷(duan)地(di)向(xiang)空(kong)氣(qi)中(zhong)蒸(zheng)發(fa),但(dan)當(dang)水(shui)氣(qi)接(jie)觸(chu)麵(mian)上(shang)的(de)空(kong)氣(qi)達(da)到(dao)飽(bao)和(he)時(shi),水(shui)分(fen)子(zi)就(jiu)蒸(zheng)發(fa)不(bu)出(chu)去(qu),而(er)是(shi)處(chu)於(yu)一(yi)種(zhong)動(dong)平(ping)衡(heng)狀(zhuang)態(tai)。蒸(zheng)發(fa)出(chu)去(qu)的(de)水(shui)分(fen)子(zi)數(shu)量(liang)等(deng)於(yu)從(cong)空(kong)氣(qi)中(zhong)返(fan)回(hui)到(dao)水(shui)中(zhong)的(de)水(shui)分(fen)子(zi)的(de)數(shu)量(liang),水(shui)溫(wen)保(bao)持(chi)不(bu)變(bian)。
2、幹式冷卻塔
幹式冷卻塔,水和空氣不直接接觸,隻有熱交換的冷卻塔。
幹式冷卻塔,幹式冷卻難的熱水在散熱翅管內流動,靠與管外空氣的溫差,形成接觸傳熱而冷卻。所以幹式冷卻塔的特點是:
1.meiyoushuidezhengfasunshi,yewufengchuihepaiwusunshi,suoyiganshilengquetashiheyuqueshuidiqu,ruwoguodebeifangdiqu。yinweimeiyouzhengfa,suoyiyemeiyoudankongqiconglengquetachukoupaichusuozaochengdewuran。
2.水的冷卻靠接觸傳熱,冷卻極限為空氣的幹球溫度效率低,冷卻水溫高。
3.需要大量的金屬管(鋁管或鋼管),因此造價為同容量濕式塔的4~6bei。yinganshilengquetayouhouliangdianbuliyinsu,suoyizaiyoutiaojiandediqu,yingjinliangcaiyongshita。gantakeyiyongzirantongfeng,yekeyiyongjixietongfeng。yihuodianchangchangyongdeganshilengquetaweili,fenweijianjielengquehezhijielengquelianglei。jianjielengqueshizhiyonglengquetazhonglengquehoudeshui,songwangningqiqizhonglengqueyouqilunjijingchudefaqi。zhijielengqueshizhibuyongningqiqi,jiangqilunjipaichudefaqi,yongguandaoyinrenlengquetazhijielengque,bianweiningjieshui,yongshuibengsonghuiguoluzhongfushiyong。
3、幹一濕式冷卻塔
幹一濕式冷卻塔,由幹式、濕式兩部分組成的冷卻塔。
這種塔為濕式塔和幹式塔的結合,如下圖所示,幹部在上、濕部在下。也有的塔四麵進風,相對兩邊為濕部;另(ling)外(wai)兩(liang)邊(bian)為(wei)幹(gan)部(bu)。采(cai)用(yong)這(zhe)種(zhong)塔(ta)的(de)目(mu)的(de),部(bu)分(fen)是(shi)為(wei)了(le)省(sheng)水(shui),但(dan)大(da)多(duo)數(shu)是(shi)為(wei)了(le)消(xiao)除(chu)從(cong)塔(ta)出(chu)口(kou)排(pai)出(chu)的(de)飽(bao)和(he)空(kong)氣(qi)的(de)凝(ning)結(jie),因(yin)而(er)造(zao)成(cheng)塔(ta)周(zhou)圍(wei)的(de)汙(wu)染(ran)。下(xia)圖(tu)所(suo)示(shi),從(cong)塔(ta)下(xia)部(bu)濕(shi)段(duan)排(pai)出(chu)的(de)濕(shi)空(kong)氣(qi),在(zai)同(tong)塔(ta)周(zhou)圍(wei)的(de)冷(leng)空(kong)氣(qi)接(jie)觸(chu)後(hou),即(ji)變(bian)成(cheng)過(guo)飽(bao)和(he)的(de)空(kong)氣(qi)而(er)凝(ning)結(jie),形(xing)成(cheng)霧(wu),造(zao)成(cheng)汙(wu)染(ran)。如(ru)果(guo)像(xiang)圖(tu)中(zhong)那(na)樣(yang),塔(ta)上(shang)部(bu)用(yong)幹(gan)段(duan),則(ze)由(you)塔(ta)下(xia)部(bu)濕(shi)段(duan)排(pai)出(chu)的(de)飽(bao)和(he)濕(shi)空(kong)氣(qi),流(liu)經(jing)幹(gan)段(duan)時(shi),會(hui)被(bei)加(jia)熱(re)而(er)變(bian)成(cheng)不(bu)飽(bao)和(he)的(de)空(kong)氣(qi),因(yin)而(er)出(chu)塔(ta)後(hou)不(bu)會(hui)凝(ning)結(jie)。
自然通風冷卻塔,靠塔內外的空氣密度差或自然風力形成的空氣對流作用進行通風的冷卻塔。
以圓形逆流式冷卻塔的工作過程為例:熱水自主機房通過水泵以一定的壓力經過管道、橫喉、曲喉、中心喉將循環水壓至冷卻塔的播水係統內,通過播水管上的小孔將水均勻地播灑在填料上麵;ganzaodedihanzhidekongqizaifengjidezuoyongxiayoudiburufengwangjinrutanei,reshuiliujingtianliaobiaomianshixingchengshuimohekongqijinxingrejiaohuan,gaoshidugaohanzhiderefengcongdingbuchouchu,lengqueshuidirudipennei,jingchushuiguanliuruzhuji。
一般情況下,進入塔內的空氣、是(shi)幹(gan)燥(zao)低(di)濕(shi)球(qiu)溫(wen)度(du)的(de)空(kong)氣(qi),水(shui)和(he)空(kong)氣(qi)之(zhi)間(jian)明(ming)顯(xian)存(cun)在(zai)著(zhe)水(shui)分(fen)子(zi)的(de)濃(nong)度(du)差(cha)和(he)動(dong)能(neng)壓(ya)力(li)差(cha),當(dang)風(feng)機(ji)運(yun)行(xing)時(shi),在(zai)塔(ta)內(nei)靜(jing)壓(ya)的(de)作(zuo)用(yong)下(xia),水(shui)分(fen)子(zi)不(bu)斷(duan)地(di)向(xiang)空(kong)氣(qi)中(zhong)蒸(zheng)發(fa),成(cheng)為(wei)水(shui)蒸(zheng)氣(qi)分(fen)子(zi),剩(sheng)餘(yu)的(de)水(shui)分(fen)子(zi)的(de)平(ping)均(jun)動(dong)能(neng)便(bian)會(hui)降(jiang)低(di),從(cong)而(er)使(shi)循(xun)環(huan)水(shui)的(de)溫(wen)度(du)下(xia)降(jiang)。從(cong)以(yi)上(shang)分(fen)析(xi)可(ke)以(yi)看(kan)出(chu),蒸(zheng)發(fa)降(jiang)溫(wen)與(yu)空(kong)氣(qi)的(de)溫(wen)度(du)(通常說的幹球溫度)低於或高於水溫無關,隻要水分子能不斷地向空氣中蒸發,水溫就會降低。
danshi,shuixiangkongqizhongdezhengfabuhuiwuxiuzhidijinxingxiaqu。dangyushuijiechudekongqibubaoheshi,shuifenzibuduandixiangkongqizhongzhengfa,dandangshuiqijiechumianshangdekongqidadaobaoheshi,shuifenzijiuzhengfabuchuqu,ershichuyuyizhongdongpinghengzhuangtai。zhengfachuqudeshuifenzishuliangdengyucongkongqizhongfanhuidaoshuizhongdeshuifenzideshuliang,shuiwenbaochibubian。youcikeyikanchu,yushuijiechudekongqiyueganzao,zhengfajiuyuerongyijinxing,shuiwenjiurongyijiangdi。
4、機械通風橫流濕式冷卻塔
機械通風橫流濕式冷卻塔的主要原理和自然通風橫流式冷卻塔一樣,隻是用風機來通風,因此風速可以高一些,一般填料斷麵風速取v=2.2~3.0m/s。配(pei)水(shui)用(yong)盤(pan)式(shi),為(wei)了(le)保(bao)證(zheng)水(shui)深(shen)比(bi)較(jiao)均(jun)勻(yun),配(pei)水(shui)盤(pan)可(ke)以(yi)分(fen)幾(ji)格(ge),盤(pan)底(di)打(da)孔(kong),裝(zhuang)噴(pen)嘴(zui)將(jiang)熱(re)水(shui)灑(sa)向(xiang)填(tian)料(liao),然(ran)後(hou)流(liu)人(ren)底(di)部(bu)水(shui)池(chi)。淋(lin)水(shui)密(mi)度(du)大(da)者(zhe)可(ke)達(da)20—50t/(m·h)。填料傾斜安裝。以保證運行時水不灑到填料外。對點滴式填料,傾角用9~11,薄膜式填料傾角用5~6。填料高度和深度比值取2~2.5。進風口安裝百葉窗、葉片麵與水平夾角取45~60。
風筒式冷卻塔,具有雙曲線、圓(yuan)柱(zhu)形(xing),多(duo)棱(leng)形(xing)等(deng)幾(ji)何(he)線(xian)型(xing)的(de)一(yi)定(ding)高(gao)度(du)的(de)風(feng)筒(tong)的(de)冷(leng)卻(que)塔(ta)。風(feng)筒(tong)位(wei)於(yu)冷(leng)卻(que)塔(ta)的(de)上(shang)麵(mian),裏(li)麵(mian)是(shi)風(feng)葉(ye)。開(kai)放(fang)式(shi)冷(leng)卻(que)塔(ta),沒(mei)有(you)風(feng)筒(tong),冷(leng)卻(que)塔(ta)的(de)通(tong)風(feng)靠(kao)自(zi)然(ran)風(feng)力(li),在(zai)淋(lin)水(shui)填(tian)料(liao)周(zhou)圍(wei)設(she)置(zhi)百(bai)布(bu)頁(ye)窗(chuang)的(de)冷(leng)卻(que)塔(ta)。
抽風式機械通風冷卻塔,風機設置在冷卻塔進風口處的冷卻塔。
鼓風式機械通風冷卻塔,風機設置在冷卻塔進風口處的冷卻塔。
5、橫流式冷卻塔
橫流式冷卻塔,水流從塔上部垂直落下,空氣水平流動通過淋水填料,氣流與水流正交的冷卻塔。
1)按冷卻水的水質分為:開式塔和閉式塔
2)按噪聲等級分為:普通型(P)、低噪聲型(D)、超低噪聲型(C)、工業型(G)
優點:
1、shuizaitaneitianliaozhong,shuizishangerxia,kongqizitawaishuipingliuxiangtaneiliangzheliuxiangchengchuizhizhengjiaoyizhonglengqueta。changyongzaizaoshengyaoqiuyangedejuminqunei,shikongtiaojieshiyongjiaoduodelengquexunhuanta。jieneng、水壓低、風阻小、亦配置低速電機、無滴水噪聲和風動噪聲,填料和配水係統檢修方便。
2、可隨建築形狀隨意構築基礎多台放置,根據所需的水溫分別啟動單台或多台冷卻塔。
應注意的是:框架要多40%熱交換時要有較多的填料體積,填料易老化、配水孔易堵塞、防結冰不好、濕氣回流大。
以上就是冷卻塔減速機器廠家廣東康明節能空調今天為大家帶來最全!各種深圳冷卻塔的優缺點總結分析(冷卻塔種類及優缺點)的內容了,廣東康明節能空調經營品牌冷卻塔減速機,冷卻塔減速器,冷卻塔皮帶箱,冷卻塔風機,冷卻塔填料等配件廠家價格,型號規格齊全,同時提供冷卻塔風機,冷卻塔電機,冷卻塔減速機,冷卻塔皮帶箱,冷卻塔填料等配件維修改造,歡迎來電谘詢。
本文鏈接:http://c5650.cn/baike/1910.html