【正文】 43 Communication Equipment The digit microwave equipment shall be provided for the munication transmission equipment of long distance oil transmission pipeline． The munication of the oil transmission pipeline is featured by the functions with the dispatching phone， phone between stations， meeting phone， administration phone， patrol and emergency munication， telegram，facsimile and data munication ． Determine munication channel utilization of microwave system， such as operation， data transmission rate and code error rate for automatic control system. The work will include remendation of number of mobile radio units． Determine munication hardware and software for interfacing automatic control system through the munication system． The software must be patible with one of the following： SDLC， BSC，etc． The design CO． will develop a concept for a VHF／ or UHF and a HF munication system． Design method of providing VHF(or UHF)mobile radio munication for use by patrol people along pipeline fight—ofway． Investigation of microware must include error coding， channel number, drop mode etc． based on data to be provided by owner． Comparison will be made and remendation furnished of VHF versus UHF for munication with patrol personnel． block valve control and where necessary local microwave system drops． Power Supply and Electric Design Contractor is to determine if Sufficient and reliable electric power is available at site． Contractor shall be aware of wide span voltage variation of the mercial gild． The main power supply shall be obtained by the contractor from the mercial gild． The power feeder shall run from the mercial gild to the power distribution board(PDB)． The battery system capacity shall be sized from min． 8 hours of backup power． The UPS system shall be sized according to load． UPS .Input power to the UPS shall be fed from the motor control center or PDB． Motor winding insulation shall be type required by IEC． Motor shall be furnished with space heater． The facility design shall maximize the use of metal clad(MC)cables。Select equipment required for implementing the central control center and the control room for each pump station to enable the performance of said functions． Design the automatic control system which will supervise and control operation of the entire pipeline system， the work will include design of hardware and software for central control center and for each pump station． Analyse advantages and disadvantages of each of these codes and their general applicability for use in the automatic control system． Determine necessary parameter and alarm which are to be monitored by central control center for the entire pipeline． Determine control and monitoring requirement of each pump station and corresponding control configuration and remend if conventional control equipment is necessary for back up and standby operation． Determine control flow diagram for pump station and provide control diagram and its mimic in the central control center． Determine method of providing mimic display， Or all alternate method of showing overall pipeline operation in the central control center .Select proper modes of operation of automatic control system through the microware system based On the requirements of the automatic control system． Determine scanning period， and the basis for the scanning period， if a scanning mode of operation is to be utilized by the automatic control system． Determine operational and alarm parameters to be supervised by automatic control system at each pump station． Determine regulating， monitoring and control 100ps necessary to provide this operation． 40 本設計在各位老師，尤其是在崔彬鵬老師的悉心指導下，本著節(jié)約能源合理開發(fā)的思路下，并結合實際，使我們成功的完成了某小型油庫的設計任務。 這次設計需要把我們以前學過的理論知識串聯(lián)起來，來分析實際問題 ，同時還要嚴格按照標準規(guī)范設計。 滿足主要的業(yè)務要求，能保質保 量的完成收發(fā)油作業(yè) （ 2） 能體現(xiàn)操作方面，調度靈活 6． 泵房尺寸的確定 （ 1） 鐵路油泵房的確定 250YS75B 型泵的外形和安裝尺寸為：L=5914mm B=760mm 由于泵的端部到墻的距離不應小于 ，為了操作方便，另一端的距離為 2米，故泵房的寬度為 24199mm，取 25m，該泵房一共有 20臺泵，分兩排安裝，所以泵房的長度為 22021mm 在泵房的東側設 5m 寬的管線間 （ 2） 公路泵房尺寸的確定 該泵房共有 6臺泵，基本參數(shù)見 表 61： 6YS6B 4臺 L=1306mm B=450mm 39 80Y100A 1臺 L=1553mm B=660mm 80Y1OO 2C 1臺 L=1820mm B=730mm 泵房的寬度 B=1820+3000+500=5320mm 取 6 米 泵房的長度 L=（ 4 450+660+730） +3000=10975mm 取 12米 在泵房的東邊設 5 米寬的管線間。 4． 管組的布置 管組的布置要符合泵房的工藝流程，并與泵房的整體布局一致，在滿足工藝要求的前提下盡量減少閥門的數(shù)量。 泵機組與墻之間的距離不應小于 1m。電動機端 到墻的距離不應小于 。 消防泵房的布置要利于進水，便于瞭望罐區(qū)和消防人員的活動，消防水池應該靠近消防泵房。 二 .輔助生產區(qū)的布置： 鍋爐房為明火建筑，應布置在主導風的下風向或側風向， 并盡可能布置在熱負荷集中的地段，以便縮短管線，減少損失，并考慮自流回水 的可 37 能性。 V 總 =smDQ / 0066 222 ????輸 總? 灌桶間汽油輸油管沿程摩阻： 確定流態(tài)： Re 柴 =4611 0 ????? ?? 輸總 Dv Re 汽 =5622 ????? ?? 輸總 Dv 由于 Re 柴 105，所以處于紊流的水力光滑區(qū) 34 hf1= 440 )105( ?? ?= 由于 Re105，所以處于紊流的水力摩擦區(qū) hf1t= 440 )10( 87 12 ??= （ 2） 管線 局部摩 的確定 表 45 管線局部摩 無單向活門的油罐入口 1 個 ε = 油泵入口 1 個 ε = 900 單縫焊接彎頭 7 個 ε = 通過三通 4 個 ε = 轉彎三通 1 個 ε = Dg80 全開閘閥 7 個 ε = Dg80 止回閥 1 個 ε = 渦輪流量計 1 個 hj= Dg80 清油過濾器 1 個 ε = 摩 阻計算： hj1=gv221總?+= hj2=gv222總?+=91m hf1總 =hf1+hj1+2=++2= hf2總 =hf2+hj2+2=++2= （ 3） 泵機組的選擇及校核 柴油 泵的型號和基本參數(shù) 見 表 46： 表 46 油泵的型號和基本參數(shù) 80Y100A 35 流量（ m3/h） 揚程（ m） 效率（ %） 26 91 45 85 55 78 53 汽油泵的型號和基本參數(shù) 見 表 47： 表 47油泵的型號和基本參數(shù) 80Y100 2C 流量（ m3/h） 揚程（ m） 效率（ %） 24 142 40 40 125 49 47 114 50 灌油栓泵的校核 柴油 分別假設泵的流量為 Q1=10m3/h 即 m3/s Q2=20m3/h 即 m3/s Q3=30m3/h 即 Hf1總 = m Hf2總 = m Hf3總 = m 由此可得汽油管線的 QH的對應關系 10 m3/h—— m 20 m3/h—— m 30 m3/h—— m 泵的校核曲線如下 36 汽油 分別假設泵的流量為 Q1=5m3/h 即 m3/s Q2=10m3/h 即 m3/s Q3=20m3/h 即 Hf1總 = m Hf2總 = m Hf3總 = m 由此可得汽油管線的 QH的對應關系 5 m3/h—— m 10 m3