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修建砖瓦焙烧窑炉和修建房屋不一样,它要求窑室密不漏风。砖是不会漏风的,窑室内表面也不能抹灰(抹灰要脱落),因此,在国家相关的标准中,对砖瓦焙烧窑炉砌筑时的灰缝的质量都有明确规定。在行业标准JC982-2005《砖瓦焙烧窑炉》和国家标准GB50211-2007《工业窑炉砌筑及验收规范》中对灰缝都有明确规定:①当采用红砖时,直墙的灰缝宽度应小于5mm,拱顶的灰缝应小于3mm;②当采用耐火砖时,砖的灰缝宽度必须小于2mm;③灰浆必须饱满,对于水平灰缝,灰浆的饱满度应大于95%,竖直灰缝应大于85%。
Building a brick roasting furnace is not the same as building a house, and it requires that the kiln be leak-proof. Brick is not air leakage, the interior surface of the kiln can not plaster (plaster to fall off), therefore, in the relevant national standards, brick masonry brick masonry when the quality of the quality of the joints are clearly defined. In the industry standard JC982-2005 “brick roasting kiln” and the national standard GB50211-2007 "industrial furnace masonry and acceptance of the specification of gray joints have a clear rule: ① when using red brick, straight wall of the gray seam The width of the mortar should be less than 5mm, the crevice of the vault should be less than 3mm; ②When the refractory brick is used, the width of the mortar of the brick must be less than 2mm; ③The mortar must be full; for the horizontal mortar, the mortar should be more than 95% Straight gray seam should be greater than 85%.