冷卻塔符號名稱及單位

這里(li)列(lie)出(chu)(chu)的(de)(de)(de)(de)(de)符號(hao)(hao)是(shi)按習慣(guan)形成(cheng)和(he)(he)長期延用(yong)(yong)(yong)的(de)(de)(de)(de)(de)統一(yi)符號(hao)(hao)。實(shi)際上符號(hao)(hao)是(shi)人(ren)為(wei)定的(de)(de)(de)(de)(de)，不同的(de)(de)(de)(de)(de)名稱可用(yong)(yong)(yong)各(ge)種(zhong)符號(hao)(hao)來代替，但為(wei)便(bian)于識別和(he)(he)運用(yong)(yong)(yong)，盡(jin)可能(neng)予以統一(yi)。常用(yong)(yong)(yong)的(de)(de)(de)(de)(de)有(you)(you)(you)關冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)設(she)計(ji)計(ji)算的(de)(de)(de)(de)(de)符號(hao)(hao)與名稱大致(zhi)如下(xia)：t1——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)℃；t2——出(chu)(chu)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)℃；Δt——進(jin)(jin)(jin)、出(chu)(chu)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)差℃，即(ji)Δt=t1-t2；tm——平均(jun)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)℃，tm=t1-t22；T——絕對溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)城，T=273+ti；θ——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)干(gan)球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；τ——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)濕球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；t2–τ——冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)幅高(gao)℃，此(ci)值越(yue)小(xiao)，冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)效(xiao)率(lv)(lv)越(yue)高(gao)；θ1——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)干(gan)球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；θ2——出(chu)(chu)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)干(gan)球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；τ1——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)濕球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；τ2——出(chu)(chu)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)濕球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)℃；Pa——大氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)力(li)(li)mmHg，Pa=Pg+Pq；Pg——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中干(gan)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；Pq——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″τ1——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)為(wei)濕球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)τ1時(shi)飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″θ1——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)為(wei)干(gan)球(qiu)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)θ1時(shi)飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″——飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″t1——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)為(wei)進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)t1時(shi)飽(bao)(bao)和(he)(he)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″t2——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)為(wei)出(chu)(chu)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)t2時(shi)飽(bao)(bao)和(he)(he)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)分壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；P″tm——平均(jun)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)時(shi)飽(bao)(bao)和(he)(he)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)力(li)(li)kgcm2，或(huo)mmHg；Q——冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)(liang)m3h或(huo)kgh；q——冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)淋(lin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)密度(du)(du)(du)(du)(du)(du)(du)m3m2·h；G——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)的(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)量(liang)(liang)(liang)，即(ji)風量(liang)(liang)(liang)m3h或(huo)kgh；g——進(jin)(jin)(jin)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)重量(liang)(liang)(liang)速度(du)(du)(du)(du)(du)(du)(du)kgm2·h或(huo)kgm2·s；有(you)(you)(you)時(shi)表示(shi)重力(li)(li)加(jia)速度(du)(du)(du)(du)(du)(du)(du)ms2；V——外界風速風向ms；i1——進(jin)(jin)(jin)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)焓(han)kcalkg；i2——出(chu)(chu)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)焓(han)kcalkg；im——平均(jun)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)時(shi)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)焓(han)kcalkg；i″1——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)為(wei)進(jin)(jin)(jin)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)t1時(shi)的(de)(de)(de)(de)(de)飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)焓(han)kcalkg；i″2——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)為(wei)出(chu)(chu)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)t2時(shi)的(de)(de)(de)(de)(de)飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)焓(han)kcalkg；i″m——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)為(wei)進(jin)(jin)(jin)、出(chu)(chu)塔(ta)(ta)(ta)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)的(de)(de)(de)(de)(de)平均(jun)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)tm時(shi)的(de)(de)(de)(de)(de)飽(bao)(bao)和(he)(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)焓(han)kcalkg；γg——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)密度(du)(du)(du)(du)(du)(du)(du)比(bi)重kgm3；γ——水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)汽化熱kcalkg；λ——氣(qi)(qi)(qi)(qi)(qi)、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)比(bi)無(wu)量(liang)(liang)(liang)綱(gang)(gang)；K——蒸(zheng)發(fa)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)(liang)帶走(zou)的(de)(de)(de)(de)(de)熱量(liang)(liang)(liang)系(xi)數(shu)(shu)無(wu)量(liang)(liang)(liang)綱(gang)(gang)；βxv——以焓(han)差為(wei)基準的(de)(de)(de)(de)(de)容積散質系(xi)數(shu)(shu)kgm3·h；Vm——塔(ta)(ta)(ta)內(nei)平均(jun)風速ms；Z——淋(lin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)填(tian)料(liao)裝(zhuang)置(zhi)高(gao)度(du)(du)(du)(du)(du)(du)(du)m；Zg——淋(lin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)填(tian)料(liao)裝(zhuang)置(zhi)尾部(bu)高(gao)度(du)(du)(du)(du)(du)(du)(du)m；F——冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)卻(que)(que)塔(ta)(ta)(ta)內(nei)斷面(mian)積m2；V——淋(lin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)填(tian)料(liao)裝(zhuang)置(zhi)有(you)(you)(you)效(xiao)容積m3：注：有(you)(you)(you)時(shi)表示(shi)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)或(huo)氣(qi)(qi)(qi)(qi)(qi)流(liu)(liu)(liu)速度(du)(du)(du)(du)(du)(du)(du)，ms；N或(huo)Ω——以溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)進(jin)(jin)(jin)行積分的(de)(de)(de)(de)(de)交換數(shu)(shu)無(wu)量(liang)(liang)(liang)綱(gang)(gang)；Σhi——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)總阻力(li)(li)mmH2O；hi——進(jin)(jin)(jin)塔(ta)(ta)(ta)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)各(ge)部(bu)分的(de)(de)(de)(de)(de)阻力(li)(li)mmH2O；DN——水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)管子內(nei)徑mm；L——管子長度(du)(du)(du)(du)(du)(du)(du)m；n——有(you)(you)(you)時(shi)表示(shi)轉速rmin；有(you)(you)(you)時(shi)表示(shi)根數(shu)(shu)；有(you)(you)(you)時(shi)表示(shi)孔(kong)眼數(shu)(shu)；ηi——表示(shi)電機(ji)、風機(ji)、傳(chuan)動裝(zhuang)置(zhi)等效(xiao)率(lv)(lv)%；ξi——流(liu)(liu)(liu)體水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)或(huo)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)有(you)(you)(you)關阻力(li)(li)系(xi)數(shu)(shu)。還有(you)(you)(you)其(qi)他一(yi)些符號(hao)(hao)，這里(li)不作陳述。

水動風機冷卻塔由來及可行性

在(zai)被開(kai)發利用的(de)能(neng)源中主要(yao)有熱能(neng)、水能(neng)、風能(neng)和核能(neng)，它們(men)之(zhi)(zhi)中主要(yao)是轉換為電能(neng)，用于工業(ye)與民用之(zhi)(zhi)中。循(xun)環冷卻水中消耗(hao)的(de)是電能(neng)，日常的(de)運行成(cheng)本(ben)中，除維護管(guan)理的(de)少(shao)量費用之(zhi)(zhi)外(wai)，主要(yao)成(cheng)本(ben)是電耗(hao)。