印尼北苏风港2×115MW燃煤机组.doc

印尼北苏风港电站2115MW机组海水淡化系统调试方案 PT.PLNPERSERO PROYEK INDUK PEMBANGKIT DAN JARINGAN SUMATERA UTARA DAN ACEH JI.Dr.CIPTO NO 12 MEDAN 20152 Phone62614144151-4144152,Fax62614144153-4143633,e-.id PT.PLNPERSEROJASA ENJINRING PLN DOC No CHINA NATIONAL MACHINERY drainage gutter cleared; handrail and cover plate leveled; road cleared and clean; 3.2Civil works, dosing system and equipment inspected and accepted as per new Technical Specification for Power Construction and Acceptance – Chemical Chapter. 3.3 System passed hydrotest; all pits, equipment and pipes ed and cleaned without foreign matters in pipes; 3.4Bedding and filler prepared for each filters in pretreatment system; 3.5 No scratch on the rubber surface of all rubber-lined equipment and electrospark test passed; 3.6 All rotation equipment e.g. pumps, fans, metering pump passed individual commissioning; motor correctly wired and insulated under circumstance of normal and smooth operation. 3.7 All pneumatic valves shall be tight without leakage and pass opening and closing test and correct in indicating signal and feed back. 3.8 All electrical equipment with respect to system e.g. distribution panel, buttons, gauges, etc. correctly installed and calibrated. Power wired and being put through to terminal block of relevant equipment. 3.9 Gauges and meters of I waste water drained and post-treatment handled smoothly. 3.12 Complete in site lighting and communication. All temporary facilities for installation removed and left with clean ground. 3.13Trained and accepted Operators and persons for lab test be familiar with system and equipment as per Operation Guide. 3.14 Sodium hypochlorite, bisulfite sodium, inhibitor, bactericide, alkali, etc. for commissioning be in adequate storage and such chemicals shall con to relevant quality standard of the state. 3.15 All valves and equipment numbered with nameplates hanged. 3.16 Persons for fault finding be prepared for making good the defect during commissioning. 3.17 Test team shall work in sync with commissioning process. All agents and devices for analysis be prepared. Get done with sampling works for the items statusd in Power Plant Operation Guide of Chemical Works. 3.18 Software programming for control system from supplier completed and passed simulation trial run. 3.19 Installation, and inspection and handover to commissioning of mechanical, I 4.2 Mounting of ing and RO membrane parts in System; 4.3 Interlock protection and alarm test of RO system; 4.4 Installation and commissioning of cartridge filter; 4.5 Concerning pump commissioning of RO system; 4.6 Control parameter regulation; SDI contamination index regulation; 4.7 Dosage regulation of RO system; water quality test; system output test; 4.8 Remote control system commissioning and system inter-commissioning; 4.9RO cleaning system testing. 5 Commissioning Process 5.1 Software Download and Installation 5.1.1 Check 5.1.1.1 Check Before Energized Check if the equipment in power cabinet and remote cabinet is loose or fall off during transportation, and if the cable is correctly wired. Confirm that the power line and signal line correctly wired as per the construction drawings. 5.1.1.2 Check under Power Connect to power, switch on and make sure that the voltmeter is under correct indication; confirm the normal shift from on power line to another; make sure the power supply working normally; confirm the power distribution functioned normally; make sure the fuse of power terminal correctly installed. 5.1.2 Software Download and Installation 5.1.2.1 Install WINDOW, iFIX configuration, PLC programming software, and other application softwares to IPC; 5.1.2.2Transfer iFIX graphics file and database file to position machine; 5.1.2.3 Download control program to PLC master controller. 5.1.3 Remote Cabinet Check 5.1.3.1 Check and con the correction of type, quantity and installation of module; 5.1.3.2 Check and confirm that the indicator light for power work normally after power module connected; 5.1.3.2 Check and confirm that indicator lights for modules work normally; 5.1.3.3 Check and confirm the of remote I/O cabinet to PLC, and PLC to position machine communicate normally, and communication module and line under normal condition; 5.1.3.4 Check and confirm terminal short circuit to common point and relevant indicator lights in module panel will be lit; 5.1.3.5Check and confirm relevant indicator light will be lit and concerning relay works when control valve or pump on CRT; 5.1.3.6 Check and confirm the alarm work normally after alarm outputted. 5.1.4 Function Check of Position Machine Check and confirm process menu, operation menu, trend menu, statusment, etc. satisfy the design requirements and all menus be smooth in operation and transfer and correct in display of parameters. 5.2 I/O Channel Check 5.2.1 Digital visa simulating short circuit to check change of system status; 5.2.2 Digital visa force output to check; 5.2.3 Analog visa current signal from external to check the span and transfer precision; 5.2.4 Analog visa current signal from internal output to check the span and transfer precision. 5.3 Valve Open Close Test and Regulation as per Status Feedback 5.3.1 Blow all compressed air pipes to clear contaminants e.g. scruff, dust, etc. 5.3.2 Confirm that pneumatic valves and electric valves open and close smoothly on CRT with correct display of status. If the valve status on CRT is wrong, regulate it to con to the status of local valve. 5.3.3 Confirm that pneumatic valves and electric valves open and close smoothly on CRT. 0～100 functions normally with correct display of status. 5.3.4 Operate the manual valves on spot to confirm the smoothness. 5.4 Interlock Alarm Test Confirm items of interlock alarm as per Record for RO System Interlock Protection and Alarm Test of Labuhan Angin Power Plant Project attached to this . 5.5 Remote Control Trial Running of the empty tank Connect PLC and position machine to power, confirm all set points of program, switch pump, fan and electric valve to “test”, start remote control trial running of the empty tank, and check the correctness of equipment remote-controlled. 5.6 Dosing Facility Commissioning 5.6.1 ing of Measuring Tank and Pipes Open the inlet valve and ing the dissolution tank, measuring tank, valve and pipe till the water clear without seston. Check the tightness of joints. 5.6.2 Manual Open Close Test of Mixer Start the mixer when the dissolution tank and measuring tank obtain a certain water level, check the operation status displayed on control cabinet, check if the direction and voice of mixer motor is abnormal, and close the mixer and then check the correctness of status. 5.6.3 Measuring pump running Check and confirm that the oil level of measuring pump is normal, open inlet and outlet of measuring pump, start the pump, and check if the direction and temperature of motor is normal, if the outlet pressure is regular, and if pipe is leak. For initial start of pump, run it for 1020 seconds and close for 2030 seconds and then start it again. Repeat it for 15 times to fill in the diaphragm. Keep the stroke under 3040 for 3090min, if no problem found, raise the stroke to 100 for 1020min. Turn off the pump. 5.6.4 Safety Valve Regulation of Measuring Tank 5.6.4.1 Open the inlet valve of measuring tank, close outlet global valve of measuring tank and global valve at root of dosing point, release the safety valve, unloose counter-clockwise the pressure bolt on top of back pressure valve, i.e. the set the pressure of safety valve and back pressure to zero. 5.6.4.2 Start measuring pump. Media shall be drained out through releasing pipe of safety valve. 5.6.4.3 Screw the bolt clockwise on top of safety valve to raise pressure till the reading in gauge reach approximately 1.15-1.2 times of actual working pressure on site note gauge reading is not allowed to larger than max rated pressure of measuring tank 5.6.4.4 Open global valve at root of dosing point. 5.6.4.5 Screw the bolt clockwise on top of safety valve to raise pressure till the reading in gauge reach approximately 1.5Bar note exact back pressure reading shall subject to actual condition on site, but shall be less than set point of safety valve. 5.6.5 Solution Preparation 5.6.5.1 Inhibitor Dosing System 5.6.5.1.1 Preparation W/V25 5.6.5.1.2 Dosage Calculation Dosage of Measuring TankStrokeFrequencyMax Output One set RO Inflow 280 t/h Inhibitor W/V 25, Measuring Tank Volume 1000L Dosage of Measuring Tank280T/H3ppm25 3360mg/H 3360ml/HstrokefrequencyMax Output of measuring pump strokefrequncy8L/H strokefrequency42 Set stroke to 60 and frequency to 70. 5.6.5.1.3 Measuring Pump Regulation Regulation Pump set frequency of measuring pump to 41 and stroke 55, which satisfies the output of a single pump to 3.36L/H. 5.6.5.2 Reducer Dosing System Use bisulfite sodium as reducer with dosage of 7ppm. 5.6.5.2.1Preparation W/V10 5.6.5.2.2 Dosage Calculation Dosage of Measuring TankStrokeFrequencyMax Output One set RO Inflow 280 t/h Reducer W/V 10, Measuring Tank Volume 1000L Dosage of Measuring Tank280T/H3ppm10 8400ml/H 8400ml/H strokefrequencyMax Output of measuring pump strokefrequncy15L/H strokefrequncy56 Set stroke to 70 and frequency to 80. 5.6.5.2.3 Measuring Pump Regulation Regulation set frequency to 80 and stroke to 70. 5.7 Quartzite Stuffing of Multi-Media Filter and Pretreatment 5.7.1 Stuff quartzite and active carbon with stated quantity and grade in multi-media filter. The height of the quartzite is 400mm and the active carbon is 800mm.Prior to stuffing, clean the internal of filter, recheck the installation quality of water distribution facility. 5.7.2 Connect temporary acid pipe to multi-media filter. After soaking quartzite in 1015 HCL for 24 hours, it till ed water cleared and PH value in neutrality. Keep water level at approximately 200mm above bedding. 5.8 Flocculant Preparation Fill in PAC solution basin with half water, pour the calculated weight of concentrated PAC solution into the basin till stated level, turn on the mixer to agitate the solution evenly, and finally come to approximately 100g/L diluted PFS solution. 5.9 Stuffing, Backwash and Running of Multi-Media Filter 5.9.1 Stuffing open man hole cover of filter, unclose inlet valve, start seawater pump and fill the tank with water at about 1/3 of tank volume to avoid st