船舶自動(dòng)控制第四章第五節(jié)凈油機(jī)自動(dòng)控制系統(tǒng).doc

1、第五節(jié) 自動(dòng)排渣分油機(jī)自動(dòng)控制系統(tǒng)一. 系統(tǒng)流程概要圖(CLEANING SYSTEM-SCHEMATIC DIAGRAM）DIRTY OIL 經(jīng)過初步過濾，將污由中所含的固體雜質(zhì)過濾出，再經(jīng)加熱器適當(dāng)加熱，經(jīng)由OIL FEED PUMP 不間斷持續(xù)的注入SEPARATOR中，經(jīng)由高速旋轉(zhuǎn),清淨(jìng)油、水、雜質(zhì)因比重的不同而產(chǎn)生不同的離心力，清淨(jìng)油被導(dǎo)引至日用櫃存放備用，水分及雜質(zhì)則被排放至 Purifier Sludge Tank，排出的清淨(jìng)油在被送至日用櫃前需先經(jīng)過WATER TRANSDUCER檢測(cè)，若含水量超出設(shè)定標(biāo)準(zhǔn)，則警報(bào)響起，停止 DIRTY OIL繼續(xù)進(jìn)油,若含水量合乎設(shè)定標(biāo)準(zhǔn)即輸

2、送至日用櫃儲(chǔ)存?zhèn)溆谩o.Description No.DescriptionASETTING TANK6SLUDGE DISCHARGE OUTLETBPUMPING SYSTEM7OVERFLOWCHEATING SYSTEM8BOWL CASING DRAINDSEPERATION SYSTEM14OPERATING AIRFMCFR21RETURN FLOWGSERVICE TANK38WATER FEED1OIL FEEDQCALCULATED FLOW FOR SYSTEM4CLEAN OIL OUT5 WATER OUTLET二. 基本裝備 (BASIC CONCEPT）每一淨(jìng)油

3、系統(tǒng)之組成,包含F(xiàn)OPX SEPERATOR、EPC-400 CONTROL UNIT、輔助控制系統(tǒng)和監(jiān)視器. 如下圖為一單組淨(jìng)油系統(tǒng)之佈置圖：No.Description1CONTROL UNIT EPC-4002MOTOR STARTER FOR SEPERATOR3PREHEATER POWER UNIT4SOLENOID VALVE MV15WATER OUTLET VALVE V56PRESSURE GAUGECLEAN OIL OUTLET7FLOW INDICATOR FL18Pt100 TEMP. SENSOR TT19HEATPAC PREHEATER WITH SAFETY

4、 DEVICE10FLOW SWITCH FS411WATER TRANSDUCER MT4123WAY VALVE V1OILFEED13SIGHT GLASS14SEPARATOR FOPX15LIQUID SENSOR16SOLENOID VALVE MV10-DISPLACEMENT/ CONDITION WATER17SOLENOID VALVE MV15-OPENING WATER18SOLENOID VALVE MV16CLOSING WATER19PRESSURE GAUGEWATER OUTLET20SOLENOID VALVE MV521OPERATING WATER TA

5、NK22EMERGENCY STOP PUSHBUTTOM三. ALCAP CONCEPT當(dāng)SLUDGE在SLUDGE SPACE (H） 囤積至一定量、水進(jìn)入DISC STACK (G)時(shí),少量的水將隨著清淨(jìng)油排出，降低淨(jìng)油機(jī)的效能，裝於清淨(jìng)油出口端之水分檢測(cè)器 MT4負(fù)責(zé)把關(guān)之責(zé)任，當(dāng)監(jiān)測(cè)到含水量超出標(biāo)準(zhǔn)值時(shí)，採取下列其一之方式排出：a）。經(jīng)由WATER OUTLET VALVE V5 排出.b）。經(jīng)由SLUDGE PORT排出。 No.DescriptionNo.Description1Oil inlet4Clean oil outlet5Water outlet10Displaceme

6、nt/conditioning water inlet15Bowl opening water16Bowl closing waterBBowl spindleGDisc stackHSludge spaceITop discKFlow control discLOil paring chamberMUpper paring discNOil paring discOLevel ringRUpper paring chamber四. SLUDGE DISCHARGE FUNCTIONP孔為排泄SLUDGE、WATER用，P孔平時(shí)被SLIDING BOWL BOTTOM （Q)保持在關(guān)閉狀態(tài)，當(dāng)

7、OPENING WATER（15)進(jìn)入時(shí)，排擠出CLOSING WATER，促使SLIDING BOWL BOTTOM向下開啟，P孔開啟並排放出SLUDGE、WATER,完成後SLIDING BOWL BOTTOM回復(fù)原位，P孔再度被關(guān)閉.No。DescriptionNo。Description15Bowl opening water16Bowl closing waterPSludge portsQSliding bowl bottom五. WATER DRAIN FUNCTION當(dāng)WATER OUTLET VALVE V5 打開時(shí),DISC STACK 內(nèi)之油使水分沿著BOW周圍上升至 U

8、PPER PARING CHAMBER (R）後經(jīng)由UPPER PARING DISC (M）排出。No.DescriptionNo.DescriptionMUpper paring discRUpper paring chamber六. BOWL CLOSING AND OPENING WATERSLUDGE之排放藉由BOW之開啟、關(guān)閉來達(dá)成,CLOSING WATER儲(chǔ)放於重力櫃(GRAVITATION TANK)內(nèi)，MV16 OPEN時(shí)，BOW關(guān)閉。當(dāng)MV15 OPEN時(shí)，BOW開啟.七. DISPLACEMENT/CONDITIONING WATERDISPLACEMENT WATER

9、之功用為於執(zhí)行SLUDGE排放時(shí)，降低燃油之損失量。 CONDITION WATER之功用為提高排放SLUDAGE之效能。八. OIL FEED3WAY VALVE V1控制淨(jìng)油機(jī)之給油與否，當(dāng)有下列情況時(shí)則停止淨(jìng)油機(jī)之進(jìn)油,並保持於循環(huán)狀況下。a）。淨(jìng)油機(jī)剛啟動(dòng)運(yùn)轉(zhuǎn)時(shí) b）。停止淨(jìng)油機(jī)時(shí) c）.警報(bào)出現(xiàn)時(shí)九. OIL OUTLET清淨(jìng)的油經(jīng)由MT4（水分檢測(cè)器)、FS4(流量檢測(cè)器）後泵至日用櫃儲(chǔ)放備用。十. DISCHARGE OF WATER當(dāng) MT4 (水分檢測(cè)器）偵測(cè)出高含水量時(shí)，CONTROL UNIT發(fā)出下列其中一種的排放水信號(hào)。a）。在排放SLUDGE時(shí)，經(jīng)由SLUDGE PORT 排出.在固定間隔時(shí)間開啟排放後，仍處於高含水量時(shí)執(zhí)行。b）。經(jīng)由WATER OUTLET VALVE V5 排出。固定間隔時(shí)間開啟排放。No.DescriptionNo.DescriptionAWater removal at sludge dischargeBMinimum sludge discharge interval （water removal through V5)CLast sludge discharge十一. SLUDGE DISCHARGE CYCLE正常的SLUDGE 步驟如下，其排放間隔時(shí)間，已設(shè)定在控制程式中，除非當(dāng)清淨(jìng)油中被