玻璃馬蹄焰窯爐磚結(jié)構(gòu)、鋼結(jié)構(gòu)設(shè)計(jì)與計(jì)算

第四章磚構(gòu)造、鋼構(gòu)造設(shè)計(jì)與計(jì)算磚構(gòu)造設(shè)計(jì)與計(jì)算池底80mmAZS50mm池壁300×400×1000胸墻750×400×300。大碹磚。這樣熔融后流下不致使玻璃消滅明顯缺陷。流液洞流液洞通道側(cè)壁與玻璃液接觸，并且要承受液流的沖刷，使用環(huán)境在1300~145F-AZS〔40#1000×400×300流液洞蓋板與玻璃液接觸并且有氣液相上磚孔侵蝕，在1300～1450℃的條F-AZS〔40#窯坎F-AZS加料口拐角磚與玻璃液接觸并有溫度變化，粉料積存較大，并有機(jī)械沖刷，選用F-AZS無縮孔磚。其余熔化部耐火材料F-AZS電熔鑄鋯剛玉磚工作池一般硅磚就行。小爐41#F-AZS承受優(yōu)質(zhì)硅磚。蓄熱室中間隔墻上部承受鎂鉻磚，下部承受粘土磚。保溫池底保溫200mm，外加石棉。池壁保溫115mm胸墻保溫115mm大碹保溫溫。工作池工作池局部的保溫構(gòu)造一樣于熔化池局部。小爐蓄熱室

小爐碹保溫構(gòu)造與大碹一樣。小爐側(cè)墻保溫承受230mm厚的輕質(zhì)硅磚。蓄熱室碹與大碹一樣。蓄熱室側(cè)墻中間層用輕質(zhì)高鋁磚加以保溫。拱碹計(jì)算窯爐大碹計(jì)算：碹跨b=5500mm 碹股高f=687mm求：碹磚大小頭尺寸

b24f28f

=(5500)24(687)28687

=5847.5mm中心角θ

：sin

=b= 7400 =0.6327492 2R 5847.52arcsin

=39.2502θ=78.50=0.01745Rθ=0.01745×5847.5×78.5=8010mmA”B”=0.001745R’θ’=0.01745×6197.5×78.5=8489.5mm79a’= =101nA”B”a’’= =107n依據(jù)設(shè)計(jì)圖冊選磚尺寸：優(yōu)質(zhì)硅磚300/400/107/101工作池碹計(jì)算：碹跨b=2500mm 碹股高f=312.5mm碹厚δ=300mm求：碹磚大小頭尺寸

b24f28f

=(2500)24(312.5)28312.5

=2656.25mm

：sin

=b=

2500arcsin2

2 2R 2656.252=28.070θ=56.140=0.01745Rθ=2602.177mm碹外弧長A”B” =0.001745R’θ ’=0.01745×(2656.25+300)×56.14=2896.0696mm40a’= =2602.177/40=65nA”B”a’’= =2896.0696/40=72n依據(jù)設(shè)計(jì)圖冊選磚尺寸：優(yōu)質(zhì)硅磚300/400/72/65小爐碹計(jì)算：碹跨b=1678.98mm 碹股高f=186.5mm碹厚δ=300mm求：碹磚大小頭尺寸

8f

8186.5

=1982.643mm

：sin

=b=1678.98 =0.42342 2R 1982.6432θ=50.100=0.01745Rθ=1733.3mmA”B”=0.001745R’θ’=1908.1625a’= =69nA”B”a’’= =76n依據(jù)設(shè)計(jì)圖冊選磚尺寸：電熔鋯剛玉300/400/76/69蓄熱室碹計(jì)算：碹跨b=3200mm 碹股高f=536.25mm碹厚δ=300mm求：碹磚大小頭尺寸

8f

=(3200)24(536.25)28536.25

=2655.071mm中心角θ

：sin

=b= 3200 =0.60262 2R 2655.0712arcsin

=37.0602θ=74.1160=0.01745Rθ=3433.8676mmA”B”=0.001745R’θ’=0.01745×(2655.071+300)×74.116=3824.86mm35a’= =98nA”B”a’’= =109n依據(jù)設(shè)計(jì)圖冊選磚尺寸：鎂鉻磚300/400/107/101蓄熱室平磚計(jì)算蓄熱室跨度：b=3200mm b〉1800mm用兩塊爐筋碹厚δ=300mm爐條碹厚：300mm1/52650×1/5=530mm28f

=(2650)24(530)28530

=1921mm

：sin

=b=2650 =0.692 2R 19212θ=2arcsin=87.202爐條碹寬度：b’=150mm：c=65mm碹磚大頭：a=85mm碹磚小頭：a’=82mm39爐條外碹弧長：δ =0.01745Rθ=0.01745×〔1921+300〕×87.2=3380mm外 外爐條碹磚上口泥縫d=〔δ /n〕－a=(3380/39)－85=1.67mm上 外為：如以下圖：磚Ⅱ?yàn)闋t條筋。磚Ⅰ設(shè)碹喳下底面至找平磚平面距離為hh=16×(65+13)=1088AB=1088－(65+530+300)=193mmB1

=4.5×85+4×1.67=389.18α=

/0.01745R=389.18/0.01745×2221=10.041 1f=R(1－cosα)=2221(1－cos10.04)=341 1AC=AB+f=193+34=22711 1BC=ACtgα=227×tg10.411 11 1AA=Rsinα+BC=2221sin10.04+40=427mm1 1 11磚寬：B=150mm磚Ⅱ爐條筋：B=389.18+〔85+1.67〕=475.85mm2α=B/0.01745R=475.85/0.01745×2221=12.281 2AA=AA－AA=〔2221+193〕tg12.28－427=98mm2 2 1△f=f－f=2221〔1－cos12.28〕－34=172 2 1AC=AC+△f=227+17=244mm22 11 2BC=ACtgα=244tg12.28=53mm22 22 2爐條中心距定為466mm，所以磚Ⅱ長度B=460mm磚Ⅲ取AA=645mm23tgα=〔427+98+645〕/〔2221+193〕=0.48473α=25.93△f=f－f=172.3mm3 3 2AC=AC2+△f=224+172+39632 2 3B3C3=A3C3tgα3=396×tg25.9=192mm磚Ⅲ寬等于爐條寬，所以B=150mm磚ⅣAA=L/2－〔AA+AA+AA〕=400mm]34 1 12 23sinα=L/2R=3140/〔2×2221〕=0.70684α=44.98=454△f=f－f=2221〔cos25.9－cos45〕=4274 4 3AB=AC+△f=396+427=82344 33 4B=150mm鋼構(gòu)造設(shè)計(jì)與計(jì)算原始數(shù)據(jù)碹跨5500mm碹厚300mm碹股687.5mm胸墻高1500mm胸墻厚200mm池深1200mm玻璃夜深1150mm池壁磚厚300mm次梁間距500mm立柱平均間距1000mm次梁單跨〔主梁間距〕5300mm 間距〔主梁跨距〕3000mm立柱長 4300mm主體用粘土大磚，首層鋪設(shè)電熔磚。V=1.8t/m3硅V=3.3t/m3F-AZSV=2.4t/m3玻V=2.25t/m3粘數(shù)據(jù)預(yù)備γ =5.52/(8×0.688)+0.688/2=5.84m1γ =5.84+0.3=6.14m2sin(θ/2)=5.5/(2×5.84)=0.47所以θ=2×arcsin0.47=56.4°G〔θ/360〔γ22-γ12V=(56.4/360)×(6.142-5.842)×1.8=3.23t/mK=1+1/(0.688/5.84+2×0.688/0.3-1)=1.27Ht=(1.27×3.23×1.0/2)×ctg28.2=3.868 Vt=Ht×tg28.2=2.056tP=(1/2)×1.152×3×1=1.984t碹腳磚面積同上，假定碹腳鋼用?25a，單位0.0275噸/米ω=Vt+碹腳磚重+碹腳鋼重=2.056+0.097×1×1.8+0.0275×1=2.2581t1ω=胸墻重=0.2×1.5×1×3.3=0.99t2Q=2.2581+0.99=3.2481t假定立柱用?18ae=(0.2/2+0.18/2)=0.19M=Qe=3.2481×0.19=0.617t-m拉條計(jì)算T=[3.868×(1.57+1.83)+1.984×1.5-0.617]/(1.57+1.83+0.75)=3.737tδ1000/厘米2F＝3737/1000＝3.737cm2φ拉條＝√〔4×3.737/Л〕＝2.18cm=21.8mm，為了保險(xiǎn)起見，用Φ25mm立柱計(jì)算M=3.737×0.75=2.8t-mDM=3.737×3.3+0.617-3.868×1.83=5.87t-mEM<MD EME

是最大彎距8-46得φ=0.88δ1450公斤/厘米3ωx=587000/(0.88×1450)=46032[a，(ωx=2×250=500cm2)符合要求254-27〕柱腳螺栓計(jì)算R=3.868+1.984-3.737=2.115tδ1000/厘米2用兩個(gè)已足夠柱腳支承角鋼計(jì)算[18a

0.027t/m立柱身重=2×4.3×0.027=0.2322tM=0.2×[(3.2481+0.2322)/2]×0.3925=0.1366t-m最大δ1450/厘米2ωx=13660/1450=9.42cm3依據(jù)立柱規(guī)格選用L1002×10ωx=2×19.26=38.5cm2碹碴鋼計(jì)算q=3.868/1.0=3.868t/mM =1/8×3.868×12=0.4835t-m最大δ1450/厘米2ωx=48350/1450=33.34cm3依據(jù)碹腳硅尺寸選用22a(ωx=217.6cm3)反頂胸墻托板計(jì)算q=3.2481/1=3.2481t/mM =1/8×3.2481×12=0.406t-m最大δ450/厘米2(鑄鐵板)ωx=40600/450=91.556cm327cm,則鑄鐵板厚為√(6×91.56/27)=4.51cm=45mm池壁頂鐵計(jì)算P=(1/2)×0.22×2.4=0.048t-m1P=(1/2)×0.652×2.4-0.048=0.459t-m2P=(1/2)×1.152×2.4-0.048-0.459=1.08t-m3F=0.6×0.3×3×0.3=0.162t-mΦ0.3M=(1/8)×(1.08-0.162)×12=0.11475t-mδ1500/厘米2ωx=11475/1500=7.65cm38cm,2cmx=(2×82)/6=21.33cm3(>7.65cm3)符合要求池壁頂螺計(jì)算P′=0.75×(1.08-0.162)=0.6885t-mδ1600/厘米2F=(688.5×1.)/1600=0.432頂螺Ф =√(4×0.43)/Л)=7.399mm頂螺為保險(xiǎn)起見,用Ф25mm次梁計(jì)算I32α

單重為0.0527t/mq=0.5×(1.15×2.4+0.3×2.25)+0.0527=1.7702t/mM =1/8×1.7702×5.32=6.2156t/m最大δ 依據(jù)次梁跨距查表有關(guān)表φ=0.80ωx=616400/(0.8×1450)=535.8288cm3I16(ωx=141cm3)符合要求符合要求Ix=11075.525cm4校核撓度y=(5/384)×(q

l4 )/(E×Ix)次 次=5×1.7702×5.34×108/(384×106×2×11075.525)=0.0821cm

l/400=530/400=1.325>0.0821符合要求N=(1/2)×1.7702×5.3=4.691tI32a

的d=9.5mm，Ix/Sx=27.458て=4691/(0.95×27.458)