浮頂油罐的設(shè)計(jì)計(jì)算書

伊拉克油罐計(jì)算書（中文）罐體參數(shù)：直徑d=76.25m高h(yuǎn)=12.8m其中一道抗封圈，三道加強(qiáng)圈。具體尺寸見附圖。二、油罐總用水量Q=πdh10.2L/min=3.14x76.25x12.8x10.2=31259.328L/min因?yàn)椴扇∷母⒐?，所以取四分之一，q=31259.328/4=7814.832L/min三、噴頭數(shù)的初步確定根據(jù)噴水角度相切的原理，計(jì)算尺寸見下圖：由正弦定理得：=X=1.325°則每圈噴頭個(gè)數(shù)n==135.8，應(yīng)為136個(gè)整個(gè)圓周分成四部分，只計(jì)算其中四分之一即可，噴頭個(gè)數(shù)為34個(gè)，如下圖：四、噴頭的流量，壓力計(jì)算1、第一區(qū)：高1.1m面積S5/4=65.84m2此區(qū)域需流量Q=Sx10.2L/minm2=65.84x10.2=671.57L/min=11.2L/s每個(gè)噴頭的流量為q=671.57/34=19.8L/min，間距1.76m。據(jù)此選水幕噴頭SMTBD-22-120，主要參數(shù)如下：遼飾乘特性系阻數(shù)哪K=11.8科1.1豪Q=22貢2撐刺L轉(zhuǎn)/min扮佛霧化角欲=120灘10腳°統(tǒng)接管螺頃紋堤1/念2年“炭步腹由公式池q堤=K蛾q沫—靈—屋噴頭流量夠（糾L/mi膽n藏）資繭伸義版P桿—鳥—憐噴頭工作壓力箏（乓MP外a現(xiàn)）血煉陪巧除K味—貓—頑噴頭流量系數(shù)濃上鐵圖節(jié)店點(diǎn)清1歸到讓18嗓進(jìn)行水力計(jì)算陽，如貧表比一?；伪眄?xiàng)一魄禍蓋份狠騰談松渴溜甘漂勿冤頂環(huán)赴編號(hào)腦流量買L/min凈壓力旺MPa很管徑吵mm獅長(zhǎng)度王m館水力奏損失尤編號(hào)濾流量曠L/min雄壓力淡MPa蠟管徑件mm狼長(zhǎng)度酸m莊水力賭損失飲1賺22鋼0.35各10鄉(xiāng)235.3緊0.44書1敢1-2鄭20緞1.76宅0.00刷4嬸棉50快1.76踐0.003艦2門44.2居2貧0.35蠶4惠11尖260.2賞0.44盛4攀2-3低20徒1.76斥0.01織5旗思50斬1.76疲0.004味3冷66.95次0.3摧69炭12汗285.3役0.4摔48苦3-4索25錢1.76唯0.01鈔與50枯1.76地0.004渾4違90.0敵0.3群79視怎310.5確0.45棒2命4-5支25喘1.76拘0.01默8驅(qū)蔽50撕1.76遍0.005寺5參113.6催0.勺397挑演335.8浴0.4善57刑5-6標(biāo)32賀1.76乎0.006由勝50秀1.76會(huì)0.006雞6勇137.4逝0.40領(lǐng)3族墳361.3俗0.46酬3執(zhí)6-7跑32柏1.76膚0.009滴熊50夫1.76陷0.007容7霧161.4熱0.41釣2擠否386.9龜0.47仔0北7-8囑32層1.76貝0.012把梢50靈1.76瘋0.008扁8銳185.8慣0.42已4興季412.8溜0.4漢78班8-9狡40斑1.76料0.007咽拴50符0.88冰0.004駐9辭210.4抄0.43駛1師域825.6世0.48銜2耐南40保1.76落0.01顆普825.6駕0.48飯2俘29.04窩0.13慢2粥總的損連失揪=1.2路x宰沿程損班失網(wǎng)=1.15x我0.132=酷0.1518搭2溉、第二區(qū)：高昂2.0m杯5略/4=療119.65滾m敲2價(jià)膽項(xiàng)此區(qū)域需流肚量腦Q=Sx災(zāi)10.2L才/minm衛(wèi)2棵=119.6劑5x10.2壩=帝1220.2糞7修睜L單/min=原20.34L虹/s析狀器每個(gè)噴頭的流拌量先為架q=1220篇.27/34尺=瘦35.9劈扭L副/mi療n賞，跨幣間距時(shí)1.76m鐘。醫(yī)謀瓜據(jù)此選水幕噴徹頭叔SMTBD-狼40陜-12該0煤，主要參數(shù)如午下：樓芬奏休特性系數(shù)配K=21.4蒸1.6島Q=4口0執(zhí)3蛙恩L斜/min轎睛霧化角各=120她10窩°腦接管螺紋遲3/4院“勸獸造由單旗旺公押式驗(yàn)q=K斧繩抓忌諒q劇—要—送噴頭流量盛（特L/mi菠n敵）道農(nóng)仍班曲P腹—暮—濃噴頭工作壓力娘（吧MP減a閑）夏持桶撞李K繞—騰—碑噴頭流量系數(shù)誤上圖節(jié)緊點(diǎn)務(wù)1鷹到車18戴進(jìn)行水力計(jì)算剩，如表二駐。倆表斃二停鑰凈堵扔撐獲疏娛蜜汽許喚二環(huán)再編號(hào)管流量免L/min賤壓力究MPa斑管徑殘mm及長(zhǎng)度歉m星水力拼損失輩編號(hào)餓流量呈L/min執(zhí)壓力恩MPa雨管徑位mm史長(zhǎng)度迫m賴水力另?yè)p失撤1汽40廊0.35鄙10糖42攔2.3兩0.4商49杯1-2曲25宮1.76核0.00喚4份嗚廢邁70茶1.76預(yù)0.003頓廚誼刃2諸80.26礙0.354恒11芽46跑7.8行0.4瘦52房2-3絕25衡1.76介0.014寇霜辯該封70鈔1.76飯0.003尾劃盛聽3匹121.3燙0.368鄙12政513.45執(zhí)0.4撕55逢3-4虛25迅1.76腎0.0層31巾古妥雁充70獅1.76陸0.004辯貓兆爹4免16宣4.05益0.3冰99售字55門9.3四0.4店59標(biāo)4-5償32學(xué)1.76游0.013糠惠僚錘僅棕70禁1.76森0.005敏愛淡排5濤20性7.49妙0.412堪底605.4捎0.4薪64肚5-6炎32對(duì)1.76皂0.0晌2獄倘炕君蜓擾70煌1.76費(fèi)0.005疊雜浪我6武247.欲80幼0.4撒3場(chǎng)2屢瓶6量51.74忍0.膛4要69嶺6-7簡(jiǎn)50膠1.76菜0.004吐吊峽駛堪70拌1.76帝0.006舟唐菜叔7壁290.38舟0.4貓3派6廳淹6盯98.4仁0.4風(fēng)75號(hào)7-8粥50爹1.76肉0.005踩頂結(jié)鑄莖70匆1.76我0.007音爺?shù)?炊333.50塵0.4斷4獨(dú)1膀徒7紅45.2葡0.4貼82堤8-9槐50伶1.76模0.006打演證倦渡70唇0.88缺0.004鷹親效暖9拴376.94易0.4袋4季7客廣14筑90鴿.境4斑0.4抹86亭皇70暈1.76扣0.002呼柿憤緩救14貪90.4片0.4允86獨(dú)29.04漿0.屯1夜36錢總的損銜失掛=1.2滾x衰沿程損滑失朝=1.2x0信.136=0捕.1632捷3抗、第三區(qū)與第慚二區(qū)基本相同啞，蔬只進(jìn)行流量與創(chuàng)壓力的校核。落見表三橡表靈三坐似稱紛鄉(xiāng)偉別彈側(cè)客奔抹型三環(huán)輝編號(hào)荷流量摔L/min揉壓力矮MPa跡管徑零mm聾長(zhǎng)度絨m骨水力役損失凳編號(hào)碰流量爪L/min風(fēng)壓力困MPa曬管徑剃mm隸長(zhǎng)度珠m馬水力梨損失謊1帆40應(yīng)0.35弱10氧420.8壯0.455采1-2取25麥1.76僵0.004況貿(mào)遮村50饑1.76錦0.0竊1慎餓灌絞2叔80.26設(shè)0.354誠(chéng)11畫46避6.9篩0.4益65擋2-3澡25蹄1.76輕0.014蠻歸筆綠復(fù)70撫1.76菊0.0碧03療勞表陳3練121.3栗0.368遼12計(jì)5吊13.傍2刷0.4燒68膏3-4母25豈1.76炎0.031萌槐蹤岔爛70趕1.76像0.004父糠花請(qǐng)4擺164.05沾0.399構(gòu)劇5月60.5根0.嫩4仙72茄4-5可32腰1.76螺0.013羨蒼京袍脹70范1.76陡0.005貌順濟(jì)屆5鍋207.49留0.412親離607.7婆0.4華77雨5-6文32青1.76肺0.02潑體算稍山70雕1.76茄0.005傍灑驟直6扒247.80跪0.432社虛6仆55.1泉0.4謹(jǐn)82意6-7封50獨(dú)1.76行0.004灑鞠管房回70草1.76落0.006刃鞭富逝7蚊290.38點(diǎn)0.436劈誠(chéng)702.8彼0.4攤88味7-8扮50襖1.76毅0.005粘代司彈報(bào)70黨1.76歪0.007伍遍謠遣8跨333.50頸0.441直庫(kù)7姐50.8痛0.破495鋸8-9技50萄1.76痛0.006迎香武痛左70判0.88乏0.004抗舉托顏9婦376.94牌0.447韻輝1501.6籮0.宵499塌揀50躁1.76歲0.008脖戚蒸患癥1501.6恥0.臂499殖29.04析0.1煉49玩49愧=0.1鑒788僻4役、第四區(qū)：高扯7.7m潔461.0m寶2老勾依此區(qū)域需流肌量稼Q=Sx魔10.2L登/minm陽2讓=461x1慈0.2=待4701.1價(jià)域L豎/min=似78.35L粉/s驅(qū)南猶由于流量比較泛大，所以噴頭抱相應(yīng)增加答為徒4串8等個(gè)。纖圾海每個(gè)噴頭的流們量為東q=4701群.1/48欣=爽98.0旺L朵/mi皆n菌，茅件間距出1.25尾m善。冶喚軍據(jù)此選水幕噴惑頭重SMTBD-辜10杰0-12岔0揀，主要參數(shù)如房下：薪伍商搶特性系數(shù)娘K=53.5繼3.2焦Q=1雄00洪5乓概L撞/min棕買霧化角茄=120版10弓°新接管螺典紋疲3/荒4礎(chǔ)“鋤月薯由州瞎睛公寺式蘿q=K隆晨遙峽臥q籠—您—遣噴頭流量注（湊L/mi慰n幸）碗嘴出堡僻P退—著—任噴頭工作壓力姥（每MP枕a薦）炒尊慢鋼瘡K綿—俯—圾噴頭流量系數(shù)閃下古圖節(jié)浴點(diǎn)惜1厭到磨25柿進(jìn)行水力計(jì)算郊，如表四燦。耀表走四臂另錄挖暑拔概些音鬧瓦其字構(gòu)四環(huán)莖編號(hào)迎流量間L/min散壓力郵MPa咱管徑凈mm迷長(zhǎng)度慶m喇水力您損失俱編號(hào)漲流量墻L/min繞壓力亭MPa派管徑鐘mm敲長(zhǎng)度濱m友水力新?lián)p失檢1絹100胡0.35量13母13墾72.2啟0.奏428豎1-2茅32夕1.25留0.0簡(jiǎn)03幼測(cè)籮逆劉襖招80畢1.25媽0.008化盯練焦2寺20歲0.5們0.3柄53鵲14忍14愛84.0荷0.城436鉗2-3拆32蕩1.25序0.0竭13拌稠儀援鐵肢槳1狀00鞠1.25定0.002匙側(cè)宿熊密3重302.85拒0.3噸66窯15潛15館96.0慨0.青438爬3-4胃50膚1.25恭0.004僚壟農(nóng)曠他遇豆1郵00每1.25跳0.003亭宣腸漿介灰4仁405.76穴0.3嗎70唉帳另1據(jù)708.4雪0.記4鳴41歡4-5奉50惹1.25介0.007設(shè)殼墻撤引沒兄緣1候00膽1.25亞0.003戲俱倆皆耽5講50哈9.64齊0.3繭77克遺厭1佳821.1伯0.劍4默44蠶5-6據(jù)50飾1.25端0.0仇1膊擾欄業(yè)澤夸嚴(yán)1枯00建1.歸25即0.003軍達(dá)場(chǎng)黨鴉6優(yōu)614.88抓0.3灑87想丸足1緊934.2仙0.惱4做47搶6-7犬7莫0適1.25腐0.003千設(shè)牽柏判巧1菌00舟1.25淺0.004欣包殼盜敲7小7攪20.53青0.3愉90晴油2047.8車0.多4喬51左7-8楚70摩1.25慮0.00技6媽路蓬者索裕1鉤00有1.25腐0.004惹疊樸斥8策8敗27.0修0.離3狀96輸塔2逼162.0近0.所4只55求8-9央70葛1.25奏0.00閑7螞擔(dān)團(tuán)扣臨神1疏00蓬1.25井0.004唐仗腰蝕龍9泊9唯34.4青0.衛(wèi)403紫密22帖76.6句0.敗4終59陜焰70辰1.25思0.008俊糊秤圈戚1結(jié)00筐1.25避0.005艦詞栗瘋衫10希42.7鞠0.倒410糖耳23救91.8勤0.展4勺64抓插80瞧1.25顆0.005護(hù)椅著掉火鉛1疾00撲1.25憶0.00困6洪劉凡翠脫11位51.7售0.御415菜角2507.8箏0.柜4甩70所糾80獵1.25野0.006懼謎短芹癢疲1腳00已1.25執(zhí)0.006縣制婦蹈婦12摧61.5耕0.傘421嘴喉2624.5滲0.關(guān)4行76慧牛80修1.25且0.007暗妻饞甜炒垃1寧00瘦0.63命0.003妖秋但況解5茫249.0逆0.邁4管79故巖5懸2胃49.0吼0.似4煎79淚29.38耕0.表129遲總的損孔失神=1.3塌x陣沿程損囑失私=1.3x0弟.129=0酬.1677療由表錯(cuò)一勾~哄表四得：爺四分之一油罐潤(rùn)所需總流沸量鳥Q=盒(滑5249+1閱501.6+蜻1490.4螞+825.6獻(xiàn))x1.15思=兄10426怖.6L肅/min泊=奸1澡73.78乳L(zhǎng)嚇/s命則煤L=桃12.8m是,點(diǎn)選貌DN25麻0肝鋼管，水力損羞失罰=0.013辟M(fèi)Pa奶劑流砌速妥v=懶3.48m呆/s說四分之一油罐休所需總水絕壓巨P=0.35腎+0.151良8+0.12狡8報(bào)+0.013騾=0.643巖MPa掀五、立管尺寸突的確定卵拐預(yù)根據(jù)以上數(shù)據(jù)鬧，手第一環(huán)至二環(huán)井段替條流本量慢q=腦825.6L喇/min=市13.76l側(cè)/s狀蹲管徑踏為知DN80基蔬流朱速詞v=準(zhǔn)2.77l瓶/s恐第二環(huán)至四環(huán)娛段終漸流泛量溉q=猾3817.6浮L怖/min=轎63.63l呆/s幅嶺管徑珠為來DN150粱辰流胳速飄v=煌3.75l器/s葵瓦諷四環(huán)以套下幅革乏榜流調(diào)量掏q=情9066.6尿L冶/min=潤(rùn)151.1l座/s泳是管徑缺為逆DN250越疑流凝速已v=亭3.10l肝/s師以上為冷卻水勒噴淋計(jì)算。英油罐剃泡沫棍消防半部分計(jì)算銹：眼根研據(jù)頃NFPA11夸罐壁到泡沫擋驅(qū)板距酒離歉d=舍600mm慢泡沫液供給強(qiáng)鈴度備12.2L醬/min蹤m銅2則供給時(shí)卡間具20mi再n艙二、旱大罐密封圈環(huán)階型面戴積勢(shì)s驗(yàn)=期罐頂總表面報(bào)積膚-闊不需要保護(hù)的倡面積自飄餡確=綁R遍2孤-喘r雪2疏=旋（摘R鈴2衛(wèi)-悼r垂2斃）艇=雞3.14x(附38.13錫2職-37.63劍2假)震心不據(jù)=老118.94撤m堂2鉤所需顯總投炮沫恩量炒=s患泡沫供給強(qiáng)度嬸=118.9縱4x12.2逢=阿1451.1貿(mào)L級(jí)/min草=鞭2獄4.2扒l榮/s捕百燈泡沫濃縮液的昂量亦（養(yǎng)6嬌%驟）慌=堆1451.1明x20x6%壘=閥1741.3磨2鮮L室三、根據(jù)油罐耗的圓周確定泡景沫噴射口的設(shè)駁置數(shù)量既1王尤泡沫擋板使用困高違305mm托時(shí)，泡沫噴射懷口在油罐圓周便上的最大間距店為深12.2m鄭；娘2貧句泡沫擋板使用享高洽610mm氏時(shí)，泡沫噴射隱口在油罐圓周漿上的最大間距映為哈24.4m絕；挖本次設(shè)計(jì)擋板趟高于茅610mm域，所以間距宜慈取三24.4m清油罐圓周長(zhǎng)左度捧=氣d=3.14賊x76.25刻=安239.42莊5m疤佩陡噴射口數(shù)愁量梯=239.4篇25/24.萬4=9.81燕25短奏吃取幫為李1哈0洽個(gè)炒泡沫系統(tǒng)簡(jiǎn)圖散，如下所示：臉?biāo)摹⒐艿纻魉杂?jì)算一流量：縮每個(gè)噴射口所臭需要泡沫割量本=綠所需總泡沫沖量踏/10=24傲.2/10=侮2.42l深/s二壓力：碰空氣泡沫產(chǎn)生橫器蕉選鎮(zhèn)PC4局，選盞用塊DN5痰0單的焊接鋼管，黑具體參數(shù)如下閣：偷進(jìn)口壓騰力巨0.5MPa塑混合液流量雙4L疼/s徐發(fā)泡倍展數(shù)帽>=6閥特性系埋數(shù)買K=5.75劈販膚伸床流課速貝v=壤1.88m歐/s瘡拾星霉剛沿程水頭損悔失咱=0.001痰772MPa項(xiàng)（書m斬）飄斷魔合妥局部水頭損碗失邊=0.0拔0句0532鈴MPa符（蒸m弄）液冷羨堆煌總水頭損校失艷=襲0.無00滔2304興MPa煌（認(rèn)m序）姓管這長(zhǎng)賤L=表14m方，則總管線的頸水頭損嗎失悠=14x0.澇002304否=0.032獲2MPa繩得孤積H=h+h鑰0頂+h叔z喉=匆0.0322瘡+0.5+0嚇.13箱=0.662捎2MPa落H瓦—德—射油罐底部管線瞎進(jìn)口壓力淘（荒MP六a德）倚埋膛h漠——懶系統(tǒng)管道的沿騙程壓力損失與帶局部壓力損失倚之和脂（派MP捉a堡）遷百h賞0盆—直—印最不利點(diǎn)處泡鉤沫產(chǎn)生器裝置從的工作壓力姨（書MP抬a續(xù)）脅h謎z燭—男—施最不利點(diǎn)處泡夢(mèng)沫產(chǎn)生裝置與冬管道進(jìn)口的靜義壓差副（扇MP職a界）烘CALCUL唇ATION臥SHEET皇OFONE齒OILT雖AN腥K秤（英文）欲Coolin買gwate早rsyst鼓em輔1零、存TankP璃aramet軍er昏：網(wǎng)D逼iamete鮮r則=爬76.25m持Hi云gh=角12.8m和2風(fēng)、腸Water蛙quanti潛ty直Q=張π骨d歡h舟10.2L渣/min=3淘.14x76川.25x12偉.8x10.凳2=陪31259.哲328L出/min班Tot費(fèi)alfou率rstan杏dpipe櫻,eac館hstan的dpipe誘=31259浮.328/4繪=安7814.8脾32雞察L罰/min黑3迫、悲Nozzle侄quant輪ity=回X白=1.325期°疏No指zzleq街uantit占yofe霉achri釋ng=它=135.霧8執(zhí)，應(yīng)揚(yáng)為窯13串6第個(gè)脾4府、嶄Nozzle氧Flux早andpr強(qiáng)essure晴1)哪First次are柱a視：崖H=盒1.1m謙65.84m盜2腸理Q=Sx灑10.2L春/minm型2逝=65.84原x10.2=暫671.57變綁L促/min=訊11.2L澤/s祥Flu閉xofe嚴(yán)achno待zzle=您671.57它/34=愿19.8喬嚷L墻/min.惱C翻h(huán)eckou勁t昌byco醋mputer泊:朵起Quanti針tyof計(jì)nozzle烏172s伶hould恭beins謙teado泳f136.驢Spac貧ebetw騾een:祥1.39m枝。腳Lostp端ressur耍e=1.15早x0.132礙=0.151飲8啟Theno逗minal揭diamet半erof內(nèi)ringp眠ipe1咬is午50mm鉗inac們cordin挺gtof克lu珠x糕、要veloci賢tyof儉flow姻.害Second吹area諸andth為irdar悔e挨a先：俗H=墨2.0m穿119.65忽m久2之浮Q=Sx鑰10.2L券/minm衣2情=119.6沫5x10.2咳=玩1220.2滋7藏余L版/min=觸20.34L銳/s捉Flu奏xofe盆achno瑞zzle=狀1220.2食7/34=甘35.9派流L損/min障C猛heckou喊t即byco遍mputer衡:寧標(biāo)Quanti坐tyof烏nozzle范are1永36.S蟲paceb蛛etween墾:烏1.76m拋。代Lostp窯ressur抽e=1.2x扶0.136=腥0.1632稼Theno裙minal通diamet探erof尸ringp顫ipe2山and3梢is演65mm膚inac囑cordin役gtof簡(jiǎn)lu翠x揚(yáng)、柴veloci仙tyof仁flow大.砍3)雹fourth搖area:寨H=非7.7m哈461.0m擁2棒存Q=Sx啄10.2L何/minm慌2傻=461x1御0.2=孕4701.1診稿L雜/min=烏78.35L喉/s撓Fluxo刪feach斤nozzl疾e=470朵1.1/48騎=裕97.9閑舟L況/min回C炕heckou忠t牧byco壩mputer話:休吉Quanti跨tyof脾nozzle失192s籍hould乎beins渴teado畢f(xié)136.旁Spac卵ebetw愛een:肌1.25m帆。推Lostp雙ressur室e=1.3x燃0.129=屠0.1677旦Theno生minal掘diamet商erof房ringp屠ipe4鮮is淘100mm謀inac乘cordin炸gtof項(xiàng)lu掏x究、必veloci門tyof涌flow羊.娘4)Flu封xofO掏nefou孕rthoi賺ltank綠=(5249輪+1501.陶6+1490屬.4+825守.6)x1.茄15=死10426.夾6L蒸/min科=投173.78桑L妨/s鍛Theno域minal滾diamet諒erof削stand貧pipei柱s扒250mm優(yōu)inac帳cordin畫gtof志lu秤x纖、翅veloci杯tyof玉flow灰.眾Lostp背ressur瑞e=0.0祖13MPa蜻Foam縮syste春m徒1本、現(xiàn)Accord管ingto憐NFPA1獎(jiǎng)1迷The旗distan龜cefr