发布于:2007-03-16 21:41:16
来自:暖通空调/洁净空调系统
[复制转发]
1) How to measure the compressed air volume leakage for a piping system?
2) How to sizing a pipe for a certain air flow rate and pressure?
3) How to sizing a air receiver?
4) How to design a exhaust air flow volume of a compressor plant room?
The relation of cleanroom between +VE pressure between fresh air volume intake.
全部回复(11 )
只看楼主 我来说两句V=0.25XQ(压缩机最大供气量)XT1(压缩机吸气温度+10)/(f(最大循环凭率)xP(压缩机加载和卸载之压力差)xT2(压缩机吸气温度))
注意:温度均热力学温标(K)
如:压缩机最大供气量Q=300l/s
压缩机吸气温度为30,即273+30+10=313
最大循环频率f=1次/30秒
压力差=0.5Bar
压缩机吸气温度为30,即273+30=303
因此 V=0.25x300x313/(1/30x0.5x303)=4648.5l
2、压缩机方通风设计计算
m=Q(总的热流量)/C(空气比热)xT(通风温升)
注意:总的热流量=输入轴功率的94%+总输入功率-输入轴功率+干燥器热流量
安装时看是否压缩机自带排风设备,如有,可直接接驳风管,如无,则最好外加风机通风,同时尽量做到一出一补原则。
回复 举报
回复 举报