制冷機(jī)房課程設(shè)計(jì)說(shuō)明書(shū)

制冷機(jī)房課程設(shè)計(jì)說(shuō)明書(shū)制冷機(jī)房課程設(shè)計(jì)說(shuō)明書(shū)制冷機(jī)房課程設(shè)計(jì)說(shuō)明書(shū)xxx公司制冷機(jī)房課程設(shè)計(jì)說(shuō)明書(shū)文件編號(hào)：文件日期：修訂次數(shù)：第1.0次更改批準(zhǔn)審核制定方案設(shè)計(jì)，管理制度摘要工程概況:該機(jī)房制冷系統(tǒng)為四管制系統(tǒng)，即冷卻水供/回水管、冷凍水供/回水管系統(tǒng)。經(jīng)冷水機(jī)組制冷后的7℃的冷凍水通過(guò)冷凍水供水管到達(dá)分水器，再通過(guò)分水器分別送往旅館的各個(gè)區(qū)域，經(jīng)過(guò)空調(diào)機(jī)組后的12℃的冷凍水回水經(jīng)集水器再由冷凍水回水管返回冷水機(jī)組，通過(guò)冷水機(jī)組中的蒸發(fā)器與制冷劑換熱實(shí)現(xiàn)降溫過(guò)程。從冷水機(jī)組出來(lái)的37℃的冷卻水經(jīng)冷卻水供水管到達(dá)冷卻塔，經(jīng)冷卻塔冷卻后降溫后再返回冷水機(jī)組冷卻制冷劑，如此循環(huán)往復(fù)。考慮到系統(tǒng)的穩(wěn)定安全高效地運(yùn)行，系統(tǒng)中配備補(bǔ)水系統(tǒng)，軟化水系統(tǒng)，全程水處理系統(tǒng)等附屬系統(tǒng)。關(guān)鍵詞：住宅、制冷機(jī)房、設(shè)計(jì)目錄第1章原始資料··································1第2章方案設(shè)計(jì)······························2設(shè)計(jì)方案·····························2定壓方式····························2管材的選擇與防腐····························2第3章制冷循環(huán)系統(tǒng)熱力計(jì)算···························3第4章冷水機(jī)組的選擇···························5第5章管徑的確定···························6第6章水泵的選擇···························7冷凍水泵的選擇······························7冷卻水泵的選擇······························7補(bǔ)水泵的選擇······························7第7章其它設(shè)備的選型···························8冷卻塔的選擇······························9分水器與集水器的選擇························9軟化水箱及補(bǔ)水箱······························9其它附件······························9設(shè)計(jì)小結(jié)································10主要參考文獻(xiàn)·····························11第1章原始資料一、設(shè)計(jì)題目民安藥廠低溫空調(diào)系統(tǒng)冷源設(shè)計(jì)二、原始資料1、建筑物修建地區(qū)：長(zhǎng)春2、氣象資料：查閱《規(guī)范》及相關(guān)手冊(cè)3、空調(diào)負(fù)荷總計(jì)：2500KW4、要求供應(yīng)的載冷劑溫度：冷凍水供水溫度7℃5、制冷劑種類：R22；。6、冷卻介質(zhì)：采用循環(huán)水（補(bǔ)充自來(lái)水）；7、冷凍站平面圖（見(jiàn)附圖另發(fā)，層高6米）。第2章方案設(shè)計(jì)設(shè)計(jì)方案該機(jī)房制冷系統(tǒng)為四管制系統(tǒng)，即冷卻水供/回水管、冷凍水供/回水管系統(tǒng)。經(jīng)冷水機(jī)組制冷后的7℃的冷凍水通過(guò)冷凍水供水管到達(dá)分水器，再通過(guò)分水器分別送往旅館的各個(gè)區(qū)域，經(jīng)過(guò)空調(diào)機(jī)組后的12℃的冷凍水回水經(jīng)集水器再由冷凍水回水管返回冷水機(jī)組，通過(guò)冷水機(jī)組中的蒸發(fā)器與制冷劑換熱實(shí)現(xiàn)降溫過(guò)程。從冷水機(jī)組出來(lái)的37℃考慮到系統(tǒng)的穩(wěn)定安全高效地運(yùn)行，系統(tǒng)中配備補(bǔ)水系統(tǒng)，軟化水系統(tǒng)，全程水處理系統(tǒng)等附屬系統(tǒng)。定壓方式本設(shè)計(jì)采用落地式膨脹水箱來(lái)實(shí)現(xiàn)冷凍水系統(tǒng)的補(bǔ)水和定壓。管材的選擇與防腐空調(diào)系統(tǒng)的供回水管采用碳素鋼管，公稱直徑DN≥50mm，采用無(wú)縫鋼管，DN≤50mm，采用普通焊接鋼管，DN≥100時(shí)，采用卡箍式連接。冷凍水管保溫材料類型為B型，對(duì)于水管，DN200-DN300厚度20mm。冷凍水和冷卻水都刷雙層鍍鋅層，每層2mm厚。第3章