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Home Explore Gasline Issue #55

Gasline Issue #55

Published by PTT Distribution Service Center, 2016-02-12 05:37:17

Description: จุลสารก๊าซไลน์ฉบับที่ 55

Keywords: PTT, DSCNG, Gasline

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°ä “ ´ ‡ ∑ § ‚ π ‚ ≈ ¬’° “ √ µ √ « ®   Õ ∫ · ≈ – ∫Ì “ √ÿ ß √— ° … “√–∫∫∑àÕ¿“¬„π‚√ßß“π‚¥¬«‘∏’ Prioritization Scheme  à«π∫√‘°“√≈Ÿ°§â“°ä“´ ΩÉ“¬√–∫∫∑àÕ®—¥®”Àπà“¬°ä“´∏√√¡™“µ‘- - > ªí®®ÿ∫—πª√–‡∑»‰∑¬¡’°“√„™â°ä“´∏√√¡™“µ‘„π‚√ßß“πÕÿµ “À- Probability of Failure Õ“®∑”„Àâ‚√ßß“πÕÿµ “À°√√¡µâÕß Ÿ≠‡ ’¬§à“„™â®à“¬ À√◊Õ‚Õ°“ ∑“ß°√√¡Õ¬à“ß·æ√àÀ≈“¬·≈–¡’°“√‡µ‘∫‚µÕ¬à“ßµàÕ‡π◊ËÕß∑ÿ° Ê ªï ∑—Èßπ’È ○○○○○○○○○○○○○○○○○○○○○○○○○○ ∏ÿ√°‘®‰ªÕ¬à“ßπà“‡ ’¬¥“¬ ¥—ßπ—Èπ  à«π∫√‘°“√≈Ÿ°§â“°ä“´ ®÷ߢՇ πÕ‡π◊ËÕß®“°°ä“´∏√√¡™“µ‘‡ªìπæ≈—ßß“π –Õ“¥ ¡’§«“¡ª≈Õ¥¿—¬ Ÿß ·≈– ·π«∑“ß„π°“√µ√«® Õ∫√–∫∫∑àÕ àß°ä“´¿“¬„π‚√ßß“π´÷Ëß®–‡ªìπ√“§“∂Ÿ° ‡¡◊ËÕ‡∑’¬∫°—∫‡™◊ÈÕ‡æ≈‘ß™π‘¥Õ◊Ëπ Ê ª√–‚¬™πå„π°“√®—¥∑”·∫∫·ºπ„π°“√µ√«® Õ∫·≈–∫”√ÿß√—°…“ ¢Õß∫√‘…—∑µàÕ‰ª «‘∏’°“√ àß°ä“´∏√√¡™“µ‘ ‡ªìπ°“√ àߺà“π√–∫∫∑àÕ àß°ä“´‡¢â“ Ÿà‚√ßß“πÕÿµ “À°√√¡·≈–‚√߉øøÑ“∑—Ë«ª√–‡∑» ‚¥¬„π·ßà¢Õß§«“¡ √–∫∫∑àÕ àß°ä“´∏√√¡™“µ‘∑’Ë„™âÕ¬àŸ¿“¬„π‚√ßß“πÕÿµ “À°√√¡π—Èπª≈Õ¥¿—¬π—Èπ°“√®—¥ àß°ä“´∏√√¡™“µ‘ºà“π√–∫∫∑àÕ àß°ä“´∂◊Õ‡ªìπ«‘∏’∑’Ë ‡¡Õ◊Ë ¥®Ÿ “°°√“ø§«“¡π“à ®–‡ªπì „π°“√‡°¥‘ ª≠í À“®“°°“√ ßà °“ä ´∏√√¡™“µ‘ª≈Õ¥¿—¬∑’Ë ÿ¥ ·µà∑—Èßπ’È∑—Èßπ—Èπ √–∫∫∑àÕ àß°ä“´∏√√¡™“µ‘µâÕ߉¥â√—∫°“√ ‡∑’¬∫°—∫√–¬–‡«≈“°“√„™âß“π (Pipeline Failure Probability Curve)µ√«® Õ∫·≈–∫”√ÿß√—°…“Õ¬à“ß ¡Ë”‡ ¡Õ ·≈–∂Ÿ°À≈—°∑“ß«‘»«°√√¡∑’Ë¥’ ®–‡ÀÁπ‰¥â«à“√–∫∫∑àÕ àß°ä“´ ¡’§«“¡πà“®–‡ªìπ∑’Ë®–‡°‘¥ªí≠À“ Ÿß‡¡◊ËÕÕ¬àŸ®÷ß®–∑”„Àâ√–∫∫∑àÕ àß°ä“´¡’Õ“¬ÿ°“√„™âß“π∑’ˬ“«π“π·≈–ª≈Õ¥¿—¬ „π™à«ß·√°¢Õß°“√„™âß“π ·≈–Õ’°™à«ßÀπ÷Ë߇¡◊ËÕ∑àÕ àß°ä“´œ ∂Ÿ°„™âß“π¡“ π“π·≈â« ‚¥¬∑’˰√“øπ’È “¡“√∂„™â‰¥â°—∫ ‘Ëß°àÕ √â“ß∑“ß«‘»«°√√¡Õ◊Ëπ Ê °“√∫”√ÿß√—°…“√–∫∫∑àÕ àß°ä“´∑’Ë¥’¬—ߺ≈„Àâ√–∫∫∑àÕœ ¡’§«“¡ ¥â«¬ ‡™àπ √∂¬πµåÀ√◊Õ‡§√◊ËÕß∫‘𠇪ìπµâπ ‚¥¬∑’˰“√µ√«®µ√“·≈–∫”√ÿß “¡“√∂„π°“√ àß°ä“´‰¥âÕ¬à“ß ¡Ë”‡ ¡Õ·≈– àߺ≈„Àâ°“√º≈‘µ¢Õß √—°…“∑’Ë¥’π—Èπ ®–‡ªìπ°“√¬◊¥√–¬–‡«≈“¢Õß°“√„™âß“π·≈–§«“¡πà“®–‡°‘¥‚√ßß“π‡ªìπ‰ªÕ¬à“ßµàÕ‡π◊ËÕ߉¡à¡’À¬ÿ¥™–ß—° „π°“√‡°‘¥ªí≠À“¢Õß ªí≠À“„π°“√„™âß“πÕÕ°‰ª‰¥â¡“°∑’Ë ÿ¥ (Extended with Inspection and∑àÕ àß°ä“´¿“¬„π‚√ßß“π Õ—π‡π◊ËÕß¡“®“°¢“¥°“√∫”√ÿß√—°…“∑’Ë¥’π—Èπ Maintenance) Probability is High Normal Design Life Early in Life Extended Design Life Probability Rises due to Wear Out Low Probability Life is Extended with, e.g. Inspections 0 20 40 60 80 Pipeline Age (Yrs) Bath Tub Failure Curve °ä “ ´ ‰ ≈ πå I G a s l i n e

ºŸâ∑’Ë¡’Àπâ“∑’Ë‚¥¬µ√ß®–µâÕß∑”°“√µ√«® Õ∫√–∫∫∑àÕ àß°ä“´ ∂â“§–·ππ∑’ˉ¥â¡“° ®–À¡“¬∂÷ß √–∫∫∑àÕ°≈ÿà¡π—Èπ Ê À√◊Õ à«ππ—Èπ Ê ¡’‡ªìπ√–¬– Ê Õ¬à“߇ªìπ°‘®«—µ√ ∑—Èß«‘∏’∑“ßµ√ß·≈–∑“ßÕâÕ¡ ‚¥¬∑’Ë«‘∏’°“√ §«“¡‡ ’ˬß∑’Ë®–‡°‘¥§«“¡‡ ’¬À“¬¡“° ‡¡◊ËÕ‡≈◊Õ°‰¥â·≈â««à“°≈ÿà¡√–∫∫∑àÕµà“ß Ê ∑’Ë®–π”¡“„™âµâÕ߉¥â√—∫°“√¬Õ¡√—∫«à“ “¡“√∂µ√«® Õ∫√–∫∫ À√◊Õ à«π„¥ à«πÀπ÷ËߢÕß√–∫∫∑àÕ¡’§«“¡‡ ’ˬߠŸß ¢—ÈπµÕπµàÕ¡“ ®–∑àÕ àß°ä“´‰¥âÕ¬à“ß¡’ª√– ‘∑∏‘¿“æ ‡™àπ Pipeline Rick Assessment Manual æ‘®“√≥“§«“¡‡ ’¬À“¬„π√Ÿª·∫∫µà“ß Ê ∑’ËÕ“®‡°‘¥¢÷Èπ‰¥âµàÕ√–∫∫∑àÕ·≈–¡’®ÿ¥¡ÿàßÀ¡“¬∑’Ë®–∑”„Àâ¡—Ëπ„®‰¥â«à“ π—Èπ Ê ·≈â«®÷ßæ‘®“√≥“‡∑§π‘§«‘∏’°“√·°â‰¢ ‡¡◊ËÕ·°â‰¢·≈⫇ √Á® ®–  “¡“√∂‡√‘Ë¡°√–∫«π°“√¥—ß∑’˰≈à“«¡“·≈⫇æ◊ËÕ·°âªí≠À“µàÕ‰ª - √–∫∫∑àÕ àß°ä“´®–µâÕ߉¡à∂°Ÿ °√–∑”„À⇰‘¥§«“¡‡ ’¬À“¬ À√◊Õ Õ¬àŸ„π¿“«–∑’ËÕ“®°àÕ„À⇰‘¥§«“¡‡ ’¬À“¬ (Practice Method) 7,500 Highest Risk 4,000 Scheme 5,000 Pipeline 2,000 Recommends - §«“¡‡ ’¬À“¬·≈–ªí≠À“µà“ß Ê ∑’ˇ°‘¥°—∫√–∫∫∑àÕ àß°ä“´ Intelligent Pig ®–µâÕß∂Ÿ°µ√«®æ∫·≈–·°â‰¢°àÕπ∑’Ë®–°àÕ„À⇰‘¥ªí≠À“√ÿπ·√ß Inspection (Reactive Method) Risk Score Risk Score ‚¥¬∑’˺âŸ√—∫º‘¥™Õ∫®–µâÕß√—∫√Ÿâ∂÷ߪí≠À“À√◊Õ§«“¡‡ ’¬À“¬ ·≈–À“·π«∑“ß„π°“√·°â‰¢ªí≠À“‡æ◊ËÕ∑’Ë®–≈¥§«“¡‡ ’ˬ߄π°“√‡°‘¥ªí≠À“ 2,500π—Èπ Ê 0 DEFECTS MONITORING/INSPECTION METHOD 0 34 56 7 Ext Corr DAMAGE P = PROACTIVE METHOD, R = EACTIVE 12 Int Corr Fatigue3rd Party Damage 3rd PartiesExt. Corrosion SabotageInt. Corrosion SubsidenceFatigue/CracksCoatings Aerial Intelligent Product Leak Geotech CP & Hydro- Pipeline Number Damage ProcessMaterial/Construct Ground Pigs Quality Surveys Survey & Coating TestDefects Patrols Surveys Pipeline Risk Score Damage Risk ScoreGround Movement S GaugesLeakage PR RSabotage/Pitering R PR 7,500 4,000 Scheme RP 5,000 2,000 Recommends R R 2,500 Increased R Surveillance R P R R Risk Score Highest Risk Risk Score PR PipelinePipeline Inspection and Monitoring Method 0 Damage Process Damage Risk Score «‘∏’°“√∑’Ë„™â„π°“√µ—¥ ‘π„®«à“®–„™â‡∑§π‘§„¥ Ê „π°“√·°âªí≠À“ 0 2 3 4 56 7 Ext Corr∑’Ë√–∫∫∑àÕ àß°ä“´«à“‡°‘¥ªí≠À“®“° à«π‰Àππ—Èπ §◊Õ«‘∏’∑’ˇ√’¬°«à“ 1 Pipeline Number Int CorrPrioritization Scheme ‚¥¬∑’Ë«‘∏’°“√π’È®–™à«¬„À⺟â√—∫º‘¥™Õ∫ “¡“√∂ FatigueÀ“«‘∏’·°âªí≠À“„π°“√¥·Ÿ ≈∫”√ÿß√—°…“∑’Ë¡’ª√– ‘∑∏‘¿“æ¡“°∑’Ë ÿ¥‰¥â 3rd Parties Sabotage Subsidence Pipeline Risk Score Risk Probability of failure ¢âÕ¥¢’ Õß°“√„™â Prioritization Scheme Consequences of failure -  “¡“√∂®—¥≈”¥—∫°àÕπÀ≈—ߢÕß°≈ÿà¡√–∫∫∑àÕÀ√◊Õ à«π„¥Susceptability factor Severity factor  «à πÀπß÷Ë ¢Õß√–∫∫∑Õà µ“¡§«“¡π“à ®–‡ªπì ·≈–º≈∑®’Ë –µ“¡¡“ ¢Õß°“√‡°‘¥§«“¡‡ ’¬À“¬ Internal corrosion Internal corrosion Risk to life External corrosion External corrosion Damage to property -  “¡“√∂‡≈◊Õ°‰¥âÕ¬à“ß™—¥‡®π«à“°≈ÿà¡√–∫∫∑àÕ„¥À√◊Õ√–∫∫∑àÕ  à«π„¥ µâÕß°“√°“√∫”√ÿß√—°…“‚¥¬‰¡àµâÕß§“¥‡¥“ Fatigue Fatigue Loss of service SCC SCC Cost of failure -  “¡“√∂‡≈◊Õ°«‘∏’°“√∫”√ÿß√—°…“‰¥âÕ¬à“ß™—¥‡®π·≈–µ√«® Environmental effects ª√–‡¡‘π‰¥â Third party damage Third party damage Public image Sabotage/pilferage Sabotage/pilferage ‡¡◊ËÕºâŸ√—∫º‘¥™Õ∫„™â·π«∑“ߢÕß Prioritization Scheme ·≈â«π—ÈπLoss of ground support Loss of ground support °Á‰¡à®”‡ªìπ∑’Ë®–µâÕß ç‡¥“é «à“ °≈ÿà¡√–∫∫∑àÕ„¥À√◊Õ à«π„¥ à«πÀπ÷ËߢÕß √–∫∫∑àÕ®–µâÕß∑”°“√·°â‰¢ ·≈–‰¡à®”‡ªìπ∑’Ë®–µâÕß ç√Õé „Àâ√–∫∫∑àÕ Assessing The Risk to the Pipeline ‡°‘¥°“√‡ ’¬À“¬ ¥—ßπ—Èπ Prioritization Scheme ®÷߇ªìπ·π«∑“ß∑’˙૬ °”Àπ¥·ºπ°“√µ√«® Õ∫·≈–∫”√ÿß√—°…“√–∫∫∑àÕ àß°ä“´„Àâ°—∫‚√ßß“π °“√ Prioritization Scheme ®–æ‘®“√≥“∂÷ß§«“¡πà“®–‡ªìπ ·≈– ¢Õß∑à“πÕ’°«‘∏’Àπ÷Ëß∑’Ë¡’ª√– ‘∑∏‘¿“æ < - -º≈∑’Ë®–µ“¡¡“¢Õß°“√‡°‘¥§«“¡‡ ’¬À“¬¢Õß°≈ÿà¡√–∫∫∑àÕ À√◊Õ à«π„¥ à«πÀπ÷ËߢÕß√–∫∫∑àÕ ‚¥¬®–„Àâ§–·ππµ“¡√–∫∫°“√∑”ß“π ¬—ß¡’µàÕ...°“√ÕÕ°·∫∫, Àπâ“∑’˰“√∑”ß“π, ·≈–ª√–«—µ‘°“√‡°‘¥§«“¡‡ ’¬À“¬ ‚¥¬æ®‘ “√≥“µ“¡°“√„À§â –·ππ√–∫∫∑Õà „π «à πÀ√Õ◊ °≈¡àÿ µ“à ß Ê µ“¡∑·Ë’ ∫ßà ‰«â04I 05

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∫ ∑ § « “ ¡ æ‘ ‡ » … ‚§√ß°“√„™â°ä“´∏√√¡™“µ‘  ” À √— ∫ Õ “ § “ √  ” π— ° ß “ π · ≈ – ∑’Ë æ— °- - > µ≈Õ¥√–¬–‡«≈“ 25 ªï ∑’Ë ªµ∑.‰¥â¢¬“¬µ≈“¥°“√„™â°ä“´ ë ‚§√ß°“√∫â“πæ—°¡“∫¢à“∏√√¡™“µ„‘ π¿“§°“√º≈µ‘ °√–· ‰øø“Ñ ¿“§Õµÿ  “À°√√¡ ·≈–¿“§¢π ßà(NGV) ®π¡’≈°Ÿ §â“§√Õ∫§≈ÿ¡æ◊Èπ∑’ËÀ≈“¬®—ßÀ«—¥ ‡™àπ √–¬Õß ™≈∫ÿ√’ √“™∫ÿ√’ ‡√‘Ë¡®“°°“√«“ß∑àÕ àß°ä“´∏√√¡™“µ‘ √‘¡∂ππ¥â“πÀπâ“∫â“πæ—°Õ¬ÿ∏¬“  √–∫ÿ√’ ‡ªìπµâπ ·µà ªµ∑. ¬—ß§ß¡ÿà߇πâπ°“√æ—≤π“·≈–¢¬“¬ ¡“∫¢à“ ¡“¬—ßæ◊Èπ∑’Ë¿“¬„π∫â“πæ—°œ ·≈–µ‘¥µ—Èß ∂“π’§«∫§ÿ¡§«“¡¥—π°“√„™â°ä“´∏√√¡™“µ‘‰ª¬—ß°≈ÿà¡Õ◊Ëπ Ê ·≈–‡ÀÁπª√–‚¬™πå„π°“√π” ·≈–«—¥ª√‘¡“µ√°ä“´ ·≈–«“ß∑àÕ àß°ä“´∏√√¡™“µ‘‰ª¬—ßÕ“§“√∫â“πæ—°°ä“´∏√√¡™“µ‘¡“„™â°—∫ ”π—°ß“π·≈–Õ“§“√∑’Ëæ—°Õ“»—¬ Type A, B, ‚√ßÕ“À“√ ·≈–ÀâÕߪ√–™ÿ¡ ‚¥¬Õÿª°√≥å∑’Ë„™â°ä“´∏√√¡™“µ‘§◊Õ Direct-Fire Absorption Chiller ·≈–Õªÿ °√≥‡å §√Õ◊Ë ß„™‰â øø“Ñ ¿“¬„π∑Õ’Ë ¬ÕàŸ “»¬— ¥—ßπ—È𠪵∑. ®÷߉¥â¥”‡π‘π°“√‚§√ß°“√π”√àÕß‚¥¬∑”°“√»÷°…“§«“¡‡ªìπ‰ª‰¥â„π°“√π”°ä“´∏√√¡™“µ‘¡“„™â„πÀπ૬ߓπ¢Õß ªµ∑. ‡æ◊ËÕ µ«— Õ¬“à ß‚§√ß°“√∫“â πæ°— ¡“∫¢à“‡ªìπµ—«Õ¬à“ß ·≈–»÷°…“‡∑§‚π‚≈¬’°“√„™â°ä“´∏√√¡™“µ‘ ”À√—∫‡º¬·æ√à„Àâ§«“¡√Ÿâ·°àºâŸ π„® ·≈–‡ªìπ‚Õ°“ „π°“√¢¬“¬µ≈“¥°ä“´∏√√¡™“µ‘ 12” NPS„πÕπ“§µ ‚¥¬‰¥â‡≈◊Õ° ∂“π∑’Ë¢Õß ªµ∑. ∑’Ë “¡“√∂¥”‡π‘π‚§√ß°“√ 0.022 MMSCFD (18 MMBTU)¥—ß°≈à“«‰¥â 3 ·Ààß §◊Õ M/R 1. »Ÿπ¬å«‘®—¬·≈–‡¢µªØ‘∫—µ‘°“√√–∫∫∑àÕ‡¢µ 2 ®—ßÀ«—¥ æ√–π§√»√’Õ¬ÿ∏¬“ Seminar/Office Direct Fire Absorption Chiller (1*33+1*6.6+2*66RT) 2. ∫â“πæ—°¡“∫¢à“ ®—ßÀ«—¥√–¬Õß ................................................................ 3. »Ÿπ¬åªØ‘∫—µ‘°“√™≈∫ÿ√’ ®—ßÀ«—¥™≈∫ÿ√’ ............................................................. .................. ∫“â π Type A ∑¥·∑π LPG À≈—ß®“°∑’ˉ¥â‡≈◊Õ° ∂“π∑’Ë∑”‚§√ß°“√·≈⫇ √Á® ®÷߇√‘Ë¡∑”°“√ High Pressure Direct Fire Absorption Chiller 1*6.6 tons 1 ∫â“π ”√«®æ◊Èπ∑’Ë »÷°…“§«“¡µâÕß°“√¢Õß·µà≈– ∂“π∑’Ë„π‡∫◊ÈÕßµâπ ®“°π—Èπ∑”°“√ÕÕ°·∫∫√–∫∫∑Õà »°÷ …“‡∑§‚π‚≈¬¢’ ÕßÕªÿ °√≥∑å „Ë’ ™°â “ä ´∏√√¡™“µ‘ .......... Low Pressure .................. ∫â“π Type B ∑¥·∑π LPG¥—ß¡’√“¬≈–‡Õ’¬¥æÕ —߇¢ª §◊Õ 4” PE Direct Fire Absorption Chiller 1*4.6 tons 1 ∫â“πë ‚§√ß°“√»πŸ ¬«å ®‘ ¬— «ß— πÕâ ¬·≈–‡¢µªØ∫‘ µ— °‘ “√√–∫∫∑Õà ‡¢µ 2 .................. ‚√ßÕ“À“√ ∑¥·∑π LPG ‚§√ß°“√‡√‘Ë¡®“°°“√«“ß∑àÕ àß°ä“´∏√√¡™“µ‘¡“¬—ß»πŸ ¬å«‘®—¬ ·≈–µ¥‘ µßÈ—  ∂“π§’ «∫§¡ÿ §«“¡¥π— ·≈–«¥— ª√¡‘ “µ√°“ä ´®”π«π 2  ∂“π’ ∫√‡‘ «≥ Flat Type C 15 Unit»πŸ ¬å«‘®—¬ ·≈–∫√‘‡«≥‡¢µªØ‘∫—µ‘°“√√–∫∫∑àÕ‡¢µ 2 ë ‚§√ß°“√»Ÿπ¬ªå Ø‘∫µ— ‘°“√™≈∫ÿ√’ ‚¥¬»Ÿπ¬å«‘®—¬®–„™â°ä“´∏√√¡™“µ‘°—∫√–∫∫ Cogeneration, Steam-Fire Absorption Chiller ·≈– Direct-Fire Absorption Chiller ·≈– «“ß∑àÕ àß°ä“´∏√√¡™“µ‘µàÕ‡™◊ËÕ¡®“°√–∫∫∑àÕ‡¥‘¡¿“¬„πæ◊Èπ∑’ˇ¢µªØ‘∫—µ‘°“√√–∫∫∑àÕ‡¢µ 2 ®–„™â°ä“´∏√√¡™“µ‘°—∫√–∫∫ Direct-Fire »πŸ ¬ªå Ø∫‘ µ— °‘ “√·≈–µ¥‘ µß—È  ∂“π§’ «∫§¡ÿ §«“¡¥π— ·≈–«¥— ª√¡‘ “µ√°“ä ´·≈–Absorption Chiller ®“° ∂“π’°ä“´®–°àÕ √â“ß∑àÕ àß°ä“´∏√√¡™“µ‘‰ª¬—ßÕ“§“√ ”π—°ß“π Õ“§“√ SCADA ·≈– ‚√ßÕ“À“√ ‚¥¬Õ“§“√∑—ÈßÀ¡¥®–µ‘¥µ—Èß Direct-Fire24” NPS ...............4..”...N..P...S... Absorption Chiller ·∑π√–∫∫∑”§«“¡‡¬Áπ‡¥‘¡ πÕ°®“°π’È ªµ∑. °”≈—ß»÷°…“°“√„™â°ä“´∏√√¡™“µ‘°—∫Õ“§“√ ºâŸ‡¬’ˬ¡™¡‚√ß·¬°°ä“´∑’Ë 5 ®.√–¬Õß ´÷ËßÕÿª°√≥å∑’Ë®–µ‘¥µ—Èß§◊Õ Direct-Fire Absorption Chiller ¢π“¥ 66RT ®”π«π 2 ‡§√◊ËÕßÕ’°¥â«¬ < - - √–∫ÿ√’ ......... 0.23 MMBTU/hr (10hr)  ∂“π’ NGV 4” NPS M/R Office Direct Fire Absorption Chiller 1*20 tonsªíö¡ ªµ∑. ª∑.2......... High Pressure  ∂“∫π— «‘®—¬‡∑§‚π‚≈¬’ Low Pressure TCB Direct Fire Absorption Chiller 2*66RT M/R CB Direct Fire Absorption Chiller 1*175RT 5 MMBTU/hr (10hr) EB Direct Fire Absorption Chiller 2*66RT Co-gen 500 x 2 KW/ UB Absorption Chiller 50 tons FLB, AB06I 07

QUESTION & ∂“¡¡“µÕ∫‰ª ANSWER- - >  à«π∫√‘°“√≈Ÿ°§â“°ä“´ ΩÉ“¬√–∫∫∑àÕ®—¥®”Àπà“¬°ä“´∏√√¡™“µ‘ ¡—°®–‰¥â√—∫§”∂“¡‡√◊ËÕß°“√·ª≈ßÀπ૬µà“ß Ê ∑’ˇ°’ˬ«°—∫°ä“´∏√√¡™“µ‘Õ¬àŸ∫àÕ¬§√—Èß ®÷ߢÕπ”§”∂“¡¥—ß°≈à“«¡“‡º¬·æ√à„π °ä“´‰≈πå ©∫—∫π’È·≈–≈Ÿ°§â“∑à“π„¥¡’¢âÕ ß —¬‡°’ˬ«°—∫°“√·ª≈ßÀπ૬ À√◊Õªí≠À“ Õÿª √√§µà“ß Ê ®“°°“√„™â°ä“´∏√√¡™“µ‘Q  Õ∫∂“¡¡“‰¥â∑’Ë  à«π∫√‘°“√≈Ÿ°§â“°ä“´ ‚∑√. 0 2537 3235-9 À√◊Õ∑“ß E-mail ∑’Ë [email protected]∂“¡ ¢Õ∑√“∫«‘∏’°“√·ª≈ßÀπË÷ßÀπ૬ª√‘¡“µ√¢Õß°ä“´∏√√¡™“µ‘ §à“§«“¡Àπ“·πàπ¢Õß°ä“´ §‘¥‰¥â®“°°“√π”§à“§«“¡∂à«ß®”‡æ“–○○○○○○○○○○○○○○○○○○○○○„À‡â ªπì πÈ”Àπ—°¢Õß°“ä ´∏√√¡™“µ‘ (Specific Gravity) §≥Ÿ °—∫§à“§«“¡Àπ“·πàπ¢ÕßÕ“°“»∑’Ë ¿“«–§«“¡¥—πµÕ∫ µ“¡§”𑬓¡¢Õß§à“§«“¡∂à«ß®”‡æ“– (Specific Gravity: SG) §◊Õ 14.73 Psia ·≈–Õ≥ÿ À¿¡Ÿ ‘ 60 FÌ ´ßË÷ §“à §«“¡Àπ“·ππà ¢ÕßÕ“°“»¡§’ “à ‡∑“à °∫—Õ—µ√“ à«π√–À«à“ß§«“¡Àπ“·πàπ¢Õß°ä“´·Àâß°—∫§«“¡Àπ“·πàπ¢Õß 1.22588 °‘‚≈°√—¡µàÕ≈Ÿ°∫“»°å‡¡µ√  à«π§à“§«“¡∂à«ß®”‡æ“– (SpecificÕ“°“» ≥  ¿“«–§«“¡¥—π 14.73 Psia ·≈–Õÿ≥À¿Ÿ¡‘∑’Ë 60 ÌF ´÷Ëß “¡“√∂ Gravity: SG) π—Èπ  “¡“√∂À“‰¥â®“°º≈°“√«‘‡§√“–Àå§ÿ≥¿“æ°ä“´§”π«≥À“‰¥â 2 «‘∏’ ¥—ßπ’È ∏√√¡™“µ‘¢Õß ªµ∑. ‚¥¬Àπ૬§à“§«“¡Àπ“·πàπ¢Õß NG ∑’˧”π«≥ ‰¥âπ—Èπ®–Õ¬àŸ„π√Ÿª°‘‚≈°√—¡µàÕ≈Ÿ°∫“»°å‡¡µ√ë Real Specific Gravity §◊Õ Õ—µ√“ à«π§«“¡Àπ“·πàπ¢Õß°ä“´ ‡¡◊ËÕπ”§à“§«“¡Àπ“·πàπ¢Õß NG ∑’ËÀ“‰¥âπ’È ‰ª§Ÿ≥°—∫ª√‘¡“µ√·≈–Õ“°“»∑’Ë√–¥—∫Õÿ≥À¿¡Ÿ ‘·≈–§«“¡¥—π‡¥’¬«°—π ¢Õß°ä“´∏√√¡™“µ‘∑’ˇªìπ≈°Ÿ ∫“»°å‡¡µ√ °Á®–‰¥âπÈ”Àπ—°¢Õß°ä“´∏√√¡™“µ‘ë Ideal Specific Gravity §◊Õ Õ—µ√“ à«π¢ÕßπÈ”Àπ—°‚¡‡≈°ÿ≈¢Õß ∑’Ë¡’Àπ૬‡ªìπ°‘‚≈°√—¡°ä“´°—∫Õ“°“» ‚¥¬∑’ËπÈ”Àπ—°‚¡‡≈°ÿ≈¢ÕßÕ“°“»¡’§à“‡∑à“°—∫ 28.9644 °“√·ª≈ßÀπ૬ª√‘¡“µ√®“°≈Ÿ°∫“»°å‡¡µ√‡ªìπÀπ૬Õ◊Ëπ À√◊Õ®“°∑’˰≈à“«¡“¢â“ßµâππ’È ®–‡ÀÁπ‰¥â«à“°“√‡ª≈’ˬπÀπ૬¢Õß ·ª≈ßÀπ૬πÈ”Àπ—°®“°°‘‚≈°√—¡‡ªìπÀπ૬Õ◊Ëππ—Èπ  “¡“√∂§”π«≥‰¥âª√‘¡“µ√°ä“´„ÀâÕ¬àŸ„π√ŸªπÈ”Àπ—°π—Èπ®–§”π«≥À“‰¥â®“°π‘¬“¡∑’Ë 1 ‚¥¬ µ“¡µ“√“ߢâ“ß≈à“ßπ’ÈMass Rate of FlowFrom To Ib/h kg/h g/s lb/min t/h UK ton/h Ib/s kg/sIb/h 1 0.4536 0.126 0.01667 4.536 x 10-4 4.464 x 10-4 2.778x 10-4 1.260 x 10-4kg/h 2.205 1 0.2778 0.03674 1 x 10-3 9.842 x 10-4 6.124 x 10-4 2.778 x 10-4g/s 7.937 3.6 1 0.1323 3.6 x 10-3 3.543 x 10-3 2.205 x 10-3 10-3Ib/min 60 27.216 7.56 1 2.722 10-2 2.678 x 10-2 1.667 x 10-2 7.56 x 10-3t/h 2205 1000 277.8 36.74 1 0.9842 0.6124 0.2778UK ton/h 2240 1016 282.20 37.33 1.016 1 0.6222 0.2822Ib/s 3600 1633 453.6 60 1.633 1.607 1 0.4536kg/s 7937 3600 1000 132.3 3.6 3.543 2.205 1Volumn Rate of Flow gal/h l/min gal/min m3/h ft3/min l/s (dm3/s) ft3/s m3/sFrom To litres/h ml/slitres/h 1 0.2778 0.22 0.01667 3.666 x 10-3 10-3 5.886 x 10-4 2.778 x 10-4 0.810 x 10-6 2.778 x 10-7 3.6 1 0.7919 0.06 0.0132 3.6 x 10-3 2.119 x 10-3 10-3 3.532 x 10-5 10-6ml/s 4.546 0.07577 60 1.263 1 1 0.01667 4.546 x 10-3 2.676 x 10-3 1.263 x 10-3 4.460 x 10-5 1.263 x 10-6gal/h 272.8 16.67 13.2 4.546 1000 75.77 60 16.67 0.22 0.06 0.03531 0.01667 5.886 x 10-4 1.667 x 10-5l/min 1699 277.8 220 28.31 3600 471.9 373.7 60 1 0.2728 0.1605 0.07577 2.676 x 10-3 7.577 x 10-5gal/min 1.019 1000 792 1699m3/h 3.6 x 106 2.832 x 104 2.242 x 104 6 x 104 3.666 1 0.5886 0.2778 0.810 x 10-3 2.778 x 10-4ft3/min 106 7.919 x 105 6.229 1.699 1 0.4719 0.01667 4.719 x 10-4l/s (dm3/s)ft3/s 13.2 3.6 2.119 1 0.03531 10-3m3/s 373.7 101.9 60 28.32 1 0.02832 1.320 x 104 3600 2119 1000 35.31 1ë gal = Uk or Imperial gallon ë 1 US gal = 0.833 UK galµ—«Õ¬à“ß °“√·ª≈ßÀπ૬ Flow ¢Õß°ä“´∏√√¡™“µ‘®“° m3/hr „À⇪ìπ Kg/hr Flow (Kg/hr) = Flow (m3/hr) x Gas Density (Kg/m3)Q ‚¥¬∑’Ë Gas Density (Kg/m3) = Air Density (Kg/m3) x Specific Gravity Air Density = 1.22588 Kg/m3∂“¡ Õ¬“°∑√“∫°“√·ª≈ßÀπ૬«à“ ∂“â ®–‡ª≈¬’Ë πÀπ«à ¬§à“§«“¡√Õâ π®“° Btu/scf‡ªìπÀπ૬ KJ/kg ∑Ë’ Standard condition (60 ÌF 14.73 Psia) ®–∑”Õ¬à“߉√µÕ∫ ¡’«‘∏’°“√¥—ßπ’È „Àâ Heating Value (KJ/kg) = Heating Value (Btu/scf) x 0.03726 x 103‚¥¬∑’Ë Air Density Specific Gravity x Air Density = 1.22588 Kg/m3 < - - °ä “ ´ ‰ ≈ πå I G a s l i n e


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