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1、Good is good, but better carries it.精益求精,善益求善。GBT29921998通用耐火砖形状尺寸-中华人民共和国国家标准GB/T29921998通用耐火砖形状尺寸Dimensionsofgeneralbricks19981214发布19990801实施国家质量技术监督局发布GB/T29921998前言本标准是对GB/T29921982通用耐火砖形状尺寸、GB/T15901979镁砖和镁硅砖形状及尺寸与GB/T20741980炼铜炉用镁铬砖形状尺寸的修订,将其合并为一个标准。本标准非等效采用国际标准ISO5019-1:1984耐火砖-尺寸-第一部分:直形砖;I
2、SO5019-2:1984耐火砖-尺寸-第二部分:楔形砖;ISO5019-5:1984耐火砖-尺寸-第五部分:拱脚砖。本标准中砖长度除采用国际标准的230mm及345mm外,还保留了我国300mm、380mm及460mm,砖的宽度采用国际标准的114mm及150mm。砖的厚度保留了65mm及75mm。本标准对上述三个原标准作了下列修订:对砖的名称及主要尺寸参数作了文字定义、以附图或公式表示。对砖号做了修改,取消了代号。对原标准附录中的计算方法作了精简、完善,并改写为附录A。增设了75mm等中间尺寸竖厚楔形砖及直形砖。对斜面上为230mm、300mm及460mm拱脚砖的尺寸作了修改,标准倾斜角采
3、取60/30及50/40。删掉非通用的异型砖。本标准自实施之日起,代替GB/T29921982、GB/T15901979、GB/T20741980。本标准的附录A是标准附录。本标准由原冶金工业部提出。本标准由全国耐火材料标准化技术委员会归口。本标准负责起草单位:武汉钢铁(集团)公司。本标准主要起草人:薛启文、万小平、宫家学、高建平、方正国。中华人民共和国国家标准GB/T29921998nepISO5019-1:1984通用耐火砖形状尺寸nepISO5019-2:1984DimensionsofgeneralbricksnepISO5019-5:1984代替GB/T29921982GB/T159
4、01979GB/T207419801、 范围本标准规定了通用耐火砖的定义、砖号、规格表示法、尺寸及尺寸参数。本标准适用于工业炉窑等热工设备砖衬2、 定义本标准采用下列定义2.1通用耐火砖:指工业炉窑等热工设备的直墙砌砖和辐射形砌砖所用的直形砖、侧厚楔形砖、竖厚楔形砖、竖宽楔形砖及拱脚砖。2.1.1直形砖:具有长度b、宽a及厚c的直平行六面砖体,见图12.1.2侧厚楔形砖(简称侧楔形砖):大小端距离b设计在宽度上、大小端尺寸a大/a小设计在厚度上的楔形砖,见图2。2.1.3.竖厚楔行砖(简称竖楔行砖:)大小端距离b设计在长度上、大小端尺寸a大/a小设计在厚度的楔行砖,见图3:2.1.4竖宽楔行砖
5、(简称宽楔行砖):大小端距离b设计在长度上、大小端尺寸a大/a小设计在宽度上的楔行砖,见图4:2.1.5.拱脚砖:小于半圆拱顶砌砖两侧的承重座砖,见图5。GB/T29921998图3竖厚楔行砖图4竖宽楔行砖图5拱脚砖2.2.等中间尺寸楔行砖大小端尺寸平均值相等的尺寸。3、砖号及规格表示法3.1.砖号T为通用砖汉语拼音字首、短横线后为顺序号。3.2规格表示法:3.2.1直形砖规格以bac表示。3.2.2楔行砖规格以b(a大/a小)c表示。3.2.3拱脚砖规格以Lac表示。4、砖的尺寸及尺寸参数4.1直形砖(见图1)的砖号、尺寸、规格及尺寸参数按表1规定。4.2侧厚楔行砖(见图2)的砖号、尺寸、规
6、格及尺寸参数按表2规定。4.3竖厚楔行砖(见图3)的砖号、尺寸、规格及尺寸参数按表3规定。4.4竖宽楔行砖(见图4)的砖号、尺寸、规格及尺寸参数按表4规定。4.5拱脚砖(见图5)的砖号、尺寸、规格及尺寸参数按表5规定。GB/T29921998表1直形砖老国标砖号尺寸mm规格mm面积冶标配砌尺寸为abac6575114150Tz-1T-117211465172114651274.5T-14Tz-2T-22301143223011432839.0Tz-3T-3230114652301146510.5018.301704.3T-3Tz-4T-4230172652301726510.502571.4T
7、-9Tz-5T-517211475172114751470.6T-13Tz-6T-6230114752301147512.1018.301966.5T-2T-7230150752301507524.032587.5R1T-8230172752301727512.102967.0T-8Tz-7T-930015065300150652925.0T-7Tz-8T-1030015075300150753375.0Tz-9T-11300225753002257512.105062.5T-12345114653451146518.302556.5T-13345150753451507524.033881.
8、3R2T-14380150653801506510.653705.0T-15380150753801507512.264275.0T-16380225753802257512.266412.5T-1746015065460150654485.0T-18460150754601507512.265175.0T-19460225754602257512.267762.5注1对与竖厚楔行砖或侧厚楔行砖配砌的直形砖而言,配砌尺寸a等于其厚度c;对与竖宽楔行砖配砌直形砖而言,配砌尺寸a等于其厚度c。2对于不大于345mm长的砖而言,砖缝厚度取1mm;对于不小于380mm长的砖而言,砖缝厚度取2mm。冶标
9、:T625012365T1025018675T1618612365T1230113100T1125018665T7946023075T423011340T1230022565T8057517080T525012375T1518612375T81690170100T82460135113GB/T29921998表2.侧厚楔行砖(横旋)老国标砖号尺寸规格外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3.14b体积冶标ba大/a小cTc-21T-2111465/35230114(65/35)230250.823.87615.0781311.0Tc-
10、22T-2211465/45230114(65/45)230376.235.81410.0521442.1T-39Tc-23T-2311465/55230114(65/55)230752.471.6285.0261375.2T-38Tc-24T-2411475/45230114(75/45)230288.823.87615.0781573.2Tc-25T-2511475/55230114(75/55)230433.235.81410.0521704.3T-37Tc-26T-2611475/65230114(75/65)230866.471.6285.0261835.4T-36Tc-27T-27
11、15065/35300150(65/35)300330.031.41611.4592250.0Tc-28T-2815065/45300150(65/45)300495.047.1247.6392473.0Tc-29T-2915065/55300150(65/55)300990.094.2483.8202700.0Tc-30T-3015075/45300150(75/45)300380.031.11611.4592700.0Tc-31T-3115075/55300150(75/55)300570.047.1247.6392925.0Tc-32T-3215075/65300150(75/65)30
12、01140.094.2483.8203150.0注:外半径Rc计算式中,砖缝厚度取1。表3竖厚楔行砖(竖旋)老国标砖号尺寸mm规格mm外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3.14b体积冶标ba大/a小cTs-41T-4123065/35114230(65/35)114506.048.1717.4731311.0Ts-42T-4223065/45114230(65/45)114759.072.2574.9821442.1T-20Ts-43T-4323065/55114230(65/55)1141518.0144.5142.491157
13、3.2T-19Ts-44T-4423065/60114230(65/60)1143036.0289.0721.2461638.8Ts-45T-4523065/35172230(65/35)172506.048.1717.4731978.0Ts-46T-4623065/45172230(65/45)172759.072.2574.9822175.8T-30Ts-47T-4723065/55172230(65/55)1721518.0144.5142.4912373.6T-29Ts-48T-4823075/45114230(75/45)114582.748.1717.4731573.6Ts-49T
14、-4923075/55114230(75/55)114874.072.2574.9821704.3T-18Ts-50T-5023075/65114230(75/65)1141748.0144.5142.4911835.4T-17Ts-51T-5123075/70114230(75/70)1143496.0289.0721.2461901.0Ts-52T-5223075/45172230(75/45)172582.748.1717.4732373.6Ts-53T-5323075/55172230(75/55)172874.072.2574.9822571.4T-28Ts-54T-5423075/
15、65172230(75/65)1721748.0144.5142.4912769.2T-27T-5523090/60114230(90/60)114697.748.1717.4731966.5GB/T29921998表3(续)(竖旋)老国标砖号尺寸mm规格mm外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3.14b体积冶标T-5623085/65114230(85/65)114989.072.2574.9821966.5T-5723080/70114230(80/70)1141863.0144.5142.4911966.5T-5823090/
16、60172230(90/60)172697.748.1717.4372967.0T-5923085/65172230(85/65)172989.072.2574.9822967.0T-6023080/70172230(80/70)1721863.0144.5142.4912967.0T-6130065/35150300(65/35)150660.062.8325.7302250.0Ts-55T-6230065/45150300(65/45)150990.094.2483.8202475.0Ts-56T-6330065/55150300(65/55)1501980.0188.4961.91027
17、00.0T-26Ts-57T-6430065/60150300(65/60)1503960.0376.9960.9552812.5T-6530065/35225300(65/35)225660.062.8325.7303375.0Ts-58T-6630065/45225300(65/45)225990.094.2483.8203712.5T-35Ts-59T-6730065/55225300(65/55)2251980.0188.4961.9104050.0T-34Ts-60T-6830075/45150300(75/45)150760.062.8325.7302700.0Ts-61T-693
18、0075/55150300(75/55)1501140.094.2483.8202925.0Ts-62T-7030075/65150300(75/65)1502280.0188.4961.9103150.0Ts-63T-7130075/70150300(75/70)1504560.0376.9920.9553626.5Ts-64T-7230075/45225300(75/45)225760.062.8325.7304550.0Ts-65T-7330075/55225300(75/55)2251140.094.2483.8204387.5Ts-66T-7430075/65225300(75/65
19、)2252280.0188.4961.9104725.0T-7530090/60150300(90/60)150910.062.8325.7303375.0T-7630085/65150300(85/65)1501290.094.2483.8203375.0T-7730080/70150300(80/70)1502430.0188.4961.9103375.0T-7830090/60225300(90/60)225910.062.8325.7305062.5T-7930085/65225300(85/65)2251290.094.2483.8205062.5T-8030080/70225300
20、(80/70)2252430.0188.4961.9105062.5T-8138080/50150380(80/50)1501038.079.5874.5233705.0T-8238080/60150380(80/60)1501558.0119.3813.0163990.0T-8338080/70150380(80/70)1503116.0238.7621.5084275.0T-8438080/75150380(80/75)1506232.0477.5230.7544417.5T-8538070/60150380(70/60)1502736.0238.7621.5083705.0T-86380
21、80/50225380(80/50)2251038.779.5874.5235557.5T-8738080/60225380(80/60)2251558.0119.3813.0165985.0冶T-2125012375/65T-2417111365/55T-3125018675/65标T-2225012365/55T-3225018665/55T-2325012365/45T-2517111365/45T-3325018665/45GB/T29921998表3(完)竖旋老国标砖号尺寸mm规格mm外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3
22、.14b体积冶标ba大/a小cT-8838080/70225380(80/70)2253116.0238.7621.5086412,5T-8938090/60150380(90/60)1501165.379.5874.5234275,0T-9038085/65150380(85/65)1501653.0119.3813.0164275.0T-9138090/60225380(90/60)2251165.379.5874.5236412,5T-9238085/65225380(85/65)2251653.0119.8813.0166412.5T-9346090/60150460(90/60)15
23、01410.796.3423.7375175.0T-9446080/60150460(80/60)1501886.0144.5142.4914830.0T-9546080/70150460(80/70)1501.2465175.0T-9646080/75150460(80/75)1507544.0578.0540.6235347.5T-9746070/60150460(70/60)1503312.0289.0271.2464485.0T-9846090/60225460(90/60)2253.7377762.5T-9946080/60225460(80/60)2252.4917245.0T-1
24、0046080/70225460(80/70)2251.2467762.5T-10146085/65150460(85/65)1502001.0144.5142.4915175.0T-10246085/65225460(85/65)2252001.0144.5142.4917762.5注1*为等中间尺寸2外半径R0计算式中,对于不大于380长的砖而言、砖缝厚度取1;对于不小于380长的砖而言,砖缝厚度取2。表4竖宽楔形砖(辐射)老国标砖号尺寸mm规格mm外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3.14b体积冶标ba大/a小cTk-81T
25、-111230114/7465230(114/74)65661.336.1289.9651405.3T-44Tk-82T-112230114/9465230(114/94)651322.579.2574.9821554.8T-43Tk-83T-113230114/10465230(114/104)652645.0144.5142.4911629.6T-114230150/13565230(150/135)652315.396.3423.7372130.4T-115345114/6965345(114/69)65881.748.1717.4732051.9T-116345114/6965345(
26、114/69)651322.572.2574.9822220.1T-117345114/9965345(114/99)652645.0144.5142.4912388.3T-118345150/13065345(150/130)652604.8108.3853.3223139.5T-119230150/9075230(150/90)75578.824.08614.9472070.0T-120230150/12075230(150/120)751157.748.1717.4732328.8冶T-43230113/9665T-44230113/7665标T-45230113/5665GB/T299
27、21998表4竖宽楔形砖(完)(辐射)老国标砖号尺寸mm规格mm外半径(a大+)bRC=a大a小每环极限块数23.14bK楔=a大a小倾斜角180(a大a小)C=3.14b体积冶标ba大/a小cT-121230150/13575230(150/135)752315.396.3423.7372458.1R3T-122230114/10475230(114/104)752645.0144.5142.4911880.3T-123345150/9075345(150/90)75868.336.1289.9653105.0T-124345150/11075345(150/110)751302.454.1
28、936.6433363.8R6T-125345150/13075345(150/130)752604.8108.3853.3223622.5T-126345114/9975345(114/99)752645.0144.5142.4912755.7注:外半径R0计算式中,对于不大于345长的砖而言,砖缝的厚度取1对于不小于380长的砖而言,砖缝厚度取2。表5拱脚砖(拱角)老国标砖号尺寸倾斜角规格体积LabcEDTJ-91T-131230199266114928460/30230601144730.0T-132230199266114905150/40230501144549.7TJ-97T-13
29、330019933373734960/30300(60)733414.0T-134300266333731037350/40300(50)734846.0T-135380266400731047660/30380(60)735485.6T-13638033833373428950/40380(50)735503.0T-137460338467736910360/30460(60)738011.1T-138460400400737810450/40460(50)737877.0注:斜面长L尺寸为参考尺寸。冶标:格子:R7170150/9050直形:R123015075R820015050R2:3
30、2515075浪形格子:辐射:R3:230150/13575R923015050R4:230150/12575R1024015050R5230150/12075R6345150/11075附录A(标准的附录)辐射形砌砖的计算为便于及简化辐射形砌砖的计算,这里提供基于本标准尺寸参数的简化计算式及实例。A1.混合砌砖的计算楔形砖与直形砖配合砌筑的混合砌筑内,楔形砖块数K楔及直形砖块数K楔按式(A1)、式(A2)计算K楔K楔=(A1)360(R-R0)KR=(A2)360(R)式中:所计算混合砌砖的中心角,():K楔-所用楔形砖的极限块数;R0-所用楔形砖的外半径,;(R)-所用直形砖的一块砖半径增
31、大量,;R-所计算混合砌砖的外半径,此时RR。例1内半径2500烟囱内衬,工作内衬采用230环形砌砖,隔热外衬厚度114,计算每层砖量。工作内衬:外半径R=2500+230=2730,大于规格为230(114/104)65的竖宽楔形砖T-113的R。(查表4,R。=2645.0,K楔=144.514块),需配砌以规格为23011465的直形砖T-3,查表1,T-3的(R)1=18.30(此时配砌尺寸为114),每层中砖量按式(A1)及式(A2)计算:360144.514KT-113=144.5360360(2730-2645)KT-3=4.736018.3隔热外衬:R=2730+114+2=2
32、846,大于规格为114(65/55)230的侧后楔形砖T-23的R。(查表2,R。=752.4),此时K楔=71.628块:查表1,T-3的(R)1=10.50(此时配砌尺寸65)。每层中砖量按式(A1)及式(A2)计算:36071.628KT-23=71.6360360(2846-752.4)KT-3=199.436010.5例2中心角=100、外半径R=3500的门拱,采用230长、460宽交错拱,计算砖量。由本标准表3知R1518.0,应采用规格为230(65/55)114的竖厚楔形砖T-43与规格为23011465的直形砖T-3。由表3查得R。=1518.0,K楔=144.514块。
33、由表1查得(R)1=10.50(配砌尺寸为65时)。代入式(A1)及式(A2得):100144.514KT-43=40.1360100(3500-1518)KT-3=52.436010.5取整砖数,T-3取40块,T-3取53块。460宽交错拱采用172+172+114砌筑方式,则规格23017265的错缝直形宽砖T-4取253=106块,规格为230(65/55)172的错缝竖厚楔形砖T-47取240=80块。中心角=100的拱顶拱脚砖设计倾斜角为90-(100/2)=40,此时利用规格为23050114的拱脚砖T-132的另一余角(即=40作为拱脚砖倾斜角)。此时本门拱内T-132取8块。
34、A2.双楔形转.砌砖的计算两种楔形砖配合砌筑的双楔形砖砌砖内,大半径,楔形砖块数K大及小半径楔形砖块数K小按式(A3),式(A4)计算:K大(R-R小)K大=(A3)360(R大-R小)K大(R大-R)K小=-(A4)360(R大-R小)式中:R大及R小-分别为大半径楔形砖及小半径楔形砖的外半径,;K大及K小-分别为大半径楔形砖及小半径楔形砖的极限块数;-所计算双楔形砖砌砖的中心角,()R-所计算双楔形砖砌砖的外半径,;此时R小RR大。例3外半径R=5000,中心角=120的炉顶,采用460竖厚楔形砖环砌,计算每环砖量。由表3知3772R7544,宜采用规格为460(80/70)150的小半径
35、竖厚楔形砖T-95与规格为460(80/75)150的大半径竖厚楔形砖T-96的双楔形砖砌砖,此时R小=3772,R大=7544,K小=289.027块,K大=578.054块,按式(A3)及式(A4)计算;120578.054(5000-3772)KT-96=-=62.7360(7544-3772)120289.027(7544-5000)KT-95=-=65.0360(7544-3772)中心角=120炉顶的拱脚倾斜角为90-(120/2)=30,利用a=60的拱脚砖T-137的另一余角(即=30作为拱脚砖倾斜角),需4块。A3非标准中心角拱顶的计算A3.1当拱顶拱脚的设计倾斜角大于拱脚砖标准倾斜角时,紧靠拱脚砖需用大倾斜角的楔形砖替换小倾斜角的楔形砖。此时拱顶一侧需替换为大倾斜角楔形砖的块数K大;-aK大=-(A5)()式中;-拱顶拱脚设计倾斜角,();a-拱脚砖标准倾斜角,();()1-每替换一块砖时