運(yùn)用40kg試驗(yàn)焦?fàn)t預(yù)測(cè)焦炭機(jī)械強(qiáng)度

1、第2期(總第95期)煤化工No.2(TotalNo.95)May20012001年5月CoalChemicallndustry運(yùn)用40kg041606摘要介紹了用40kg轉(zhuǎn)鼓測(cè)定，可預(yù)測(cè)焦炭的機(jī)械強(qiáng)度的方法和結(jié)果,0關(guān)鍵詞：9598(2001)0220033202中圖分類號(hào)：TQ52文獻(xiàn)標(biāo)識(shí)碼：B焦炭機(jī)械強(qiáng)度是冶金焦的一個(gè)重要指標(biāo)，為了用40kg試驗(yàn)焦?fàn)t預(yù)測(cè)生產(chǎn)焦?fàn)t的焦炭機(jī)械強(qiáng)度，進(jìn)而建立配煤比與焦炭機(jī)械強(qiáng)度之間的關(guān)系，最終改善和提高焦炭的質(zhì)量，我們進(jìn)行了40kg試驗(yàn)焦?fàn)t的煉焦試驗(yàn)。例少及無(wú)多面加熱現(xiàn)象等特點(diǎn)，能較好的模擬生產(chǎn)焦?fàn)t。2試驗(yàn)結(jié)果生產(chǎn)焦?fàn)t的焦炭同試驗(yàn)所得的焦炭相比，無(wú)論從外觀上還是

2、質(zhì)量上都有較為明顯的差異,特征對(duì)比見(jiàn)表1。表1生產(chǎn)焦?fàn)t焦炭同試驗(yàn)焦?fàn)t焦炭對(duì)比區(qū)別項(xiàng)熄焦后外觀塊度成層結(jié)焦揮發(fā)分產(chǎn)率灰硫含量生產(chǎn)焦?fàn)t焦炭試驗(yàn)焦?fàn)t焦炭棱角狀、長(zhǎng)條形次棱角狀、近等軸形塊度小、較均勻塊度大、不均勻不明顯明顯較低較高無(wú)明顯差異1試驗(yàn)方法和設(shè)備1.1 試驗(yàn)方法為了能準(zhǔn)確采集與試驗(yàn)焦?fàn)t焦炭相對(duì)應(yīng)的生產(chǎn)焦?fàn)t焦炭樣品，本次試驗(yàn)采取在裝煤車上采集煤樣，煉焦試驗(yàn)同生產(chǎn)焦?fàn)t同步進(jìn)行的方法:每日下午3:004:30采取裝煤車2#口的煤樣，記錄所裝爐號(hào)，35:00左右裝煤40kg,控制堆密度為780kgm3820kgm,結(jié)焦時(shí)間為17.5h。所得焦炭進(jìn)行兩次落下試驗(yàn)及14Micum轉(zhuǎn)鼓試驗(yàn);于次日上午該

3、生產(chǎn)爐號(hào)出焦時(shí)在涼焦臺(tái)采取其中部焦炭，進(jìn)行兩次落下試驗(yàn)及14Micum轉(zhuǎn)鼓試驗(yàn)，同質(zhì)監(jiān)中心的焦臺(tái)樣品及試驗(yàn)焦?fàn)t樣品的14Micum試驗(yàn)結(jié)果、4Micum轉(zhuǎn)鼓試Micum轉(zhuǎn)鼓試驗(yàn)結(jié)果進(jìn)行對(duì)比。1驗(yàn)結(jié)果，其抗碎強(qiáng)度和耐磨強(qiáng)度分別用M25、M10表示。1.2 試驗(yàn)設(shè)備本次試驗(yàn)使用的設(shè)備是目前國(guó)內(nèi)比較先進(jìn)的JZD240型模擬試驗(yàn)焦?fàn)t。該爐采用程序控制，雙側(cè)電加熱，箱式爐底裝煤出焦的單門(mén)式模擬焦?fàn)t裝置，具有運(yùn)行穩(wěn)定可靠，操作簡(jiǎn)便，熱損失少，爐頭焦比對(duì)同一種裝爐煤，分別進(jìn)行大、小焦?fàn)t煉焦試驗(yàn)所得焦炭在小轉(zhuǎn)鼓上的測(cè)試結(jié)果見(jiàn)表2。表2大、小焦?fàn)tM25、M10對(duì)比NO1234567891011121314收稿日

4、期:2000210208注:1)dl生產(chǎn)大焦?fàn)t；作者簡(jiǎn)介：郝洪洲，男,1962年10月出生,1984年7月畢業(yè)2)xl試驗(yàn)小焦?fàn)t于太原工學(xué)院化工系，工程師，現(xiàn)從事研究開(kāi)發(fā)技術(shù)工作。?1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.時(shí)間20002052182000205222200020522520002052292000205231200020620120002062052000206212200020621420002062212000206222200020622320002062292000

5、063025dl89.091.888.590.687.589.585.087.489.688.088.589.189.890.0差-d-xM10dlM10xl差=以87.91.15.69.9-4.390.51.35.08.4-3.489.289.490.588.588.089.588.888.590.090.389.890.5-0.75.74.97.35.97.87.07.08.07.56.57.58.59.69.08.09.19.08.510.09.08.57.79.38.0-3.9-4.1-0.7-3.2-1.2-1.5-3.0-1.0-1.0-1.2-1.82)25xl-3.0-3.0-

6、2.10.8-0.5-1.5-1.20.0-0.50.5?34?煤化工2001年第2期從焦倉(cāng)隨機(jī)采樣，分別在大轉(zhuǎn)鼓(Micum)與小轉(zhuǎn)鼓(14Micum)上測(cè)試結(jié)果見(jiàn)表表3大、小轉(zhuǎn)鼓M25、M10對(duì)比123456789101112131415163數(shù)據(jù)處理幾點(diǎn)說(shuō)明時(shí)間200020620120002062022000206205200020620620002062072000206208200020620920002062132000206215200020621920002062202000206221200020622220002062232000206227200020622925dz25

7、xz90.4089.9591.4090.5091.4091.4091.8089.4092.0089.5091.4090.1590.6592.5091.2090.5090.4092.5090.0090.1091.40.89.5089.7091.6090.1091.6090.00g=d-xM10dzM10xz差-d-x0.46.86.40.40.96.05.80.20.05.86.0-0.22.45.67.5-1.92.55.46.8-1.41.26.05.80.2-1.86.24.61.0.75.86.0-2.1.42.14.6.6.-0.3.5.67.4-0.21.16.06.5-0.5-1.

8、16.75.51.21.56.27.0-0.81.65.87.0-1.2生產(chǎn)焦?fàn)t焦炭與試驗(yàn)焦?fàn)t焦炭存在著一定的差異;Micum;,配煤比。根據(jù)微分學(xué)，在數(shù)據(jù)區(qū)間，都可將此區(qū)間作為一個(gè)微分點(diǎn)，用最簡(jiǎn)單的直線方程來(lái)描述數(shù)據(jù)之間的關(guān)系。實(shí)際上也是所能采取的唯一的簡(jiǎn)單有效的方法。3.2舍棄不可靠的數(shù)據(jù)，得到如下結(jié)果M25=M25xl+2.11M10=M10xl-3.38注:1)dz大轉(zhuǎn)鼓；2)xz小轉(zhuǎn)鼓3.3相關(guān)性檢驗(yàn)相關(guān)系數(shù)r=(Exix!2yi)xD.yExi生產(chǎn)樣品經(jīng)大轉(zhuǎn)鼓測(cè)試的結(jié)果與試驗(yàn)焦?fàn)t所煉焦炭經(jīng)小轉(zhuǎn)鼓測(cè)試的結(jié)果見(jiàn)表4。表4生產(chǎn)樣品同小焦?fàn)t焦炭M25、M10對(duì)比NO123456789101

9、11213145=3.74(5.6493.28)0.5=0.87時(shí)間20002052182000205222200020522520002052292000205231200020620120002062052000206212200020621420002062212000206222200020622320002062292000206230M25dlM90.089.691.691.691.890.491.491.291.490.891.689.691.691.6差-d-xM10dlM10xl差=以87.92.16.89.9-3.190.5-0.90.089.22.45.69.6-4.08

10、9.42.25.69.0-3.490.51.35.68.0-2.488.51.96.89.1-2.388.03.40.089.51.76.68.51.988.82.67.810.0-2.288.52.35.69.0-3.490.01.66.08.5-2.590.3-0.70.089.81.85.89.3-3.590.51.17.48.0-0.625xl其中xi小焦?fàn)tM25xl、小焦?fàn)tM10xl;yiM25、M10預(yù)測(cè)值相關(guān)系數(shù)達(dá)到較高值，因而本試驗(yàn)對(duì)數(shù)據(jù)的處理結(jié)果是合理的。4結(jié)論本次試驗(yàn)初步建立了從試驗(yàn)焦?fàn)t到生產(chǎn)焦?fàn)t的焦炭機(jī)械強(qiáng)度之間的關(guān)系，可用于預(yù)測(cè)焦?fàn)t焦炭機(jī)械強(qiáng)度。運(yùn)用試驗(yàn)焦?fàn)t預(yù)測(cè)生產(chǎn)焦?fàn)t

11、焦炭的質(zhì)量，需要不斷地積累數(shù)據(jù)才能逐步提高該關(guān)系的精確度，為生產(chǎn)配煤服務(wù)。參考文獻(xiàn)略（上接第32頁(yè)）產(chǎn)化耐火磚。3.4通過(guò)魯南化肥廠和上海焦化總廠三聯(lián)供工程化爐、鎖斗的能力和經(jīng)驗(yàn)。3.3.2洗滌塔、破渣機(jī)、撈渣機(jī)、黑水減壓排放閥、洗滌塔循環(huán)泵、鎖斗循環(huán)泵、低壓煤漿泵、高低壓水泵等關(guān)鍵設(shè)備都可以安排國(guó)內(nèi)制造。3.3.3新鄉(xiāng)耐火材料廠已經(jīng)研制出氣化爐的向火面磚，已在魯南化肥廠使用改進(jìn)，今后有可能采用國(guó)兩套水煤漿加壓氣化裝置的建設(shè)，依靠我國(guó)自已的力量，無(wú)論從設(shè)計(jì)、設(shè)備采購(gòu)、設(shè)備制造、施工安裝直到試車投產(chǎn)都已積累了不少豐富的經(jīng)驗(yàn)，為今后新建大型水煤漿加壓氣化裝置奠定了良好的基礎(chǔ)。?1994-2009C

12、hinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.?2?AbstractThepaperintroducestheexperienceofpro2curementduringimportingTEXACOcoalwaterslurrypres2surizedgasificationunitinLunanchemicalfertilizerplantandShanghaithreesuppliesproject,pointsoutthedomesticprospectofthistechnologyandtheimpor

13、tantreferenceval2uetotheimportingunit,thedevelopmentandthedesign,di2gestingandabsorbingtechnologyfromabroad.Keywordscoal2waterslurry,gasification,technologyimported,design,procurementTechnologyPanZuoshengRenLaisuo(ShandongTaishan卜on&SteelGeneralCompany271100)AbstractInordertomofenergyandtoimprov

14、ethe,wefloatconcen2coalntechnicsintheworkTaigangcokingplant.Duringientstrengtheningstirring,smoothingflux,improvingthemineralizingeffi2cleanwaterspraying,settingashesdowntwice,im2provingsystem,etc.Wegetbettereconomicandsocialbene26fits.TheprofitperyearcanbeuptoRMB1.1910.Itisofprospectivepopularizati

15、on.Keywordscoalmud,floatingcolumn2pressedfiltrat2ingtechnology,concentratedcoalPredictionoftheCokeStrengthwith40kgTestingCokeOvenHaoHongzhouZhang(ShanxiCoking.Ltd.)Abstractoning:experimentof40kgtestingcoke,entofMicumdrum,methodandresultofthepononthecokestrengthaswellastherelationshipbetweenthetestin

16、gcokeovenandthepro2ductioncokeoven.Keywordstestingcokeoven,prediction,cokestrengthAnalysisandProcessCalculationofSHELLCoalGasifierZhangHuaxinXiaoGuangshengZhuJiang(DezhouHengshengHualuChemical(Group)Co.Ltd.)AbstractThroughtheanalysisoftheSHELLcoalgasifierinnerchemicalprocess,thecoalconcernedwithSHEL

17、Lcoalgasifierprocesshasbeencalculatedandthecal2culationresultsarediscussed.KeywordsSHELLcoalgasifier,processcalculation,analysisAnalysisontheBlockofDesulphurization-towerofWet-oxidizationProcessandtheUseof888DesulphurizingCatalystLiangXingluWangXiaomeiHuZhongbin(ExperimentalChemicalPlantofNortheastN

18、ormalUniversity130024)AbstractThearticlegivesthereasonoftheblockofdesulphurizationtowerofthewet2oxidizationprocessaswellasthemeasurestotheproblem.Toadopt888desul2phurizingcatalystcaneasilysolvetheproblemiftheblockwasduetothedesulphurizingcatalyst.Keywordsdesulphurization,towerblock,catalystSummariza

19、tionofReplacementandChoiceofCoalUsedinCoal-waterSlurryPressurizationGasificationFanLimingYuanJunjie(ShaanxiWeihechemicalFertilizerPlant714000)ZhaoXinhe(ShaanxiPetr02chemicalIndustrySchool710061)AbstractThefeedcoalfirstlyusedinWeiheChemicalFertilizerPlantwasfromHuangling,thegasifiercouldnotrunninginalongperiodandstablebecauseofthehighashcontentandhigherashfusiontemperaturepoint.Aftercare2fulresearchingandanalyzing,wechangedcoalfromHuan2glingtoHuating,thereforemeetthedemandofstableandlongtimerunning.Thereasonofreplacingthecoalisana2lyzed,thetestrunningandtheresultsaresu