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【密閉式膨脹水箱原理簡介】
PZG型系列密閉式膨脹水箱的工作原理是利用密閉式膨脹水箱內(nèi)的可壓縮氣體貯存、調(diào)節(jié)熱水系統(tǒng),因受溫度變化而收縮或膨脹的水容量,密閉式膨脹水箱內(nèi)安裝了隔膜,將罐內(nèi)分為氣室和水室,當水溫提高時水容量增加,此時罐內(nèi)氣體被壓縮,膨脹的水進入水室,水溫下降時水容量減少,氣體膨脹,水室的水進入系統(tǒng)管網(wǎng),如管網(wǎng)有泄漏,使管網(wǎng)壓力值達不到設(shè)定管網(wǎng)壓力時,由水泵進行補充至設(shè)定壓力,達到了穩(wěn)壓定壓的目的。
【密閉式膨脹水箱適用范圍】
1、高溫水連續(xù)供熱系統(tǒng);
2、熱水站工業(yè)、民用連續(xù)供暖系統(tǒng);
3、熱水高溫水循環(huán)作業(yè)系統(tǒng);
4、風機盤管冷熱水系統(tǒng)。
【密閉式膨脹水箱技術(shù)參數(shù)】序號型 號設(shè)計壓力MPa總?cè)莘em3調(diào)節(jié)容積m3進出水口徑mm設(shè)備高度mm罐體直徑mm基礎(chǔ)直徑mm膨脹罐重量(Kg)1PZG – 400NL1.0-1.60.1250.0384012004003501502PZG– 600NL1.0-1.60.40.15401800600450250.13PZG– 800NL1.0-1.60.900.30502250800550325.74PZG– 1000NL1.0-1.61.370.456523501000700430.45PZG– 1200NL1.0-1.62.300.6980270012009008156PZG– 1400NL1.0-1.63.401.028032001400110011507PZG– 1600NL1.0-1.65.0341.578035001600125013678PZG– 1800NL1.0-1.67.062.1210035001800125018639PZG–2000NL1.0-1.69.422.851003800200016001318注:密閉式膨脹水箱工作壓力比按0.7計算 水的膨脹系數(shù)終溫t℃初溫t℃5101520253035300.00340.00320.00260.00170.0050350.00480.00460.00400.00310.00190.0005400.00660.00630.00570.00490.00370.00230.0006450.00840.00820.00750.00670.00550.00410.0025500.01040.01300.00990.00920.00820.00700.0055550.01260.01260.01210.01140.01040.00910.0078600.01500.01490.01450.01380.01280.01160.0102650.01760.01750.01710.01640.01540.01420.0127700.02030.02020.01980.01910.01810.01690.0154750.02320.02300.02260.02190.02090.01970.0183800.02620.02620.02570.02500.02400.02280.0214850.02930.02930.02890.02820.02720.02600.0246900.03630.03620.03580.03510.03410.03290.0314 |
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