码头通过能力计算a

315d
辅助作业时间tf Auxiliary running time 昼夜非生产时间 ∑t Non-productive time 设计船型平均载重量 G Capacity of design barge 生产时间 Tz Productive time 占泊天数 [Ｔz/(24-∑t)+tf/24] The time which the barge occupied the jetty 年来船数量 N2 Annual barge number arrived at jetty 一个泊位年通过能力={Ta/[Ｔz/(24-∑ t)+tf/24]}G/Kb1 Coal actually unloaded from one berth annually 所有泊位年通过能力Pt =n*Pt Coal actually unloaded from all berth annually 泊位利用率 ρ= Tz*N2/8760 Utilizing factor of one berth
一、计算卸船机的出力 shipunloader capacity calculation 机组数量 Number of boilers 单机耗煤量 Coal consumption per hour of each boiler 机组数量 Number of boilers 单机耗煤量 Coal consumption per hour of each boiler 所有机组小时耗煤量 Qh Coal consumption per hour of all boilers 发电设备年利用小时 Hh Generating equipment annual utilizing time 所有机组年耗煤量 Qh Annual coal consumption of all boilers 泊位数量 n Berth number 一个泊位的年卸煤量Qa Coal needed to be unloaded from one berth annually 船舶到港的不平衡系数Kb1 Unbalanced factor of barge arrived at jetty
参数 parameter 2
备注 note
558t/h
基于BMCR工况和最差煤质 based on 100% BMCR and worst coal
0
270t/h
基于BMCR工况和最差煤质 based on 100% BMCR and worst coal
1116t/h 7500h 8370000t 2 等于年耗煤量 equals to annual coal consumption of all boilers
8370000t
Hale Waihona Puke Baidu1.4
卸船机效率利用系数Kq Utilizing rate of shipunloader capacity
0.65
它表示平均出力为额定出力的0.7倍 it means that the average capacity equals to 0.7 times rated capacity 考虑到机械故障的因素 considering the factor of mechanical failure
1h
2h
14000t
15.38h
0.74d
303.66d
4251199.37t
8502398.74t 0.53d
Pt-Qa= <0.7
132398.74t
910t/h 考虑不适于卸船作业的天气因素 considering the factor about the weather that does not suit for unloading operation 离靠泊及技术作业等时间 time used for berthing or other thechnical operation, etc 休息用膳及交接班时间 time used for dinner and changing shift (3working-shift system)
卸船机可靠率系数Km Reliable factor of each shipunloader 泊位的额定出力Qb=Kb1*Qa/（8760KqKm） Rated capacity of one berth 泊位卸船机总台数N1 Number of shipunloaders on one berth 卸船机额定出力Qc =Qb/N1 Rated capacity of each shipunloader 带式输送机系统的出力 Capacity of each belt conveyor 二、计算泊位年通过能力 Calculation the coal actually unloaded from all berth annually
0.95
2166.27t/h
2 核定为 checked as
1083.13t/h 700t/h
700t/h
设计船时效率P=Qc*Kq*N1 Unloading capacity of one berth 年营运天数Ta=350*0.9 Number of days used for unloading in one year