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天津市建筑材料工业公司所屬的磚瓦厂在提高半成品的质量方面,摸索到了五点經驗,現介紹如下。1.在土坨表面普遍噴水,再向工坨內部注水,使泥土干湿軟硬适宜。然后在翻土时,再边翻土边洒水边悶泡。最后将土的湿度、胶砂的比例調配均匀。2.在坯架頂上要多加含有一定水分的沙土(約半市寸厚),在坯場四周加設风障。加沙土层可以調节架頂坯的干燥速度,不致因风吹和曝晒而出現裂紋。設风障能緩和风力,不致因风力大而使磚坯裂紋。3.花架采取三直两斜,两直一斜,一平六变八的方法。花架时先立三行直坯,后放两行斜坯,再放两行直坯一行斜坯,由上架(实架)时的六行高变为八行高,最后放一块平坯
The brick and tile factory of Tianjin Building Materials Industry Co., Ltd. has explored five experiences in improving the quality of semi-finished products. 1. Water is commonly sprayed on the surface of the soil, and water is injected into the interior of the chamber to make the soil suitable for soft and hard. Then, when turning the soil, the soil was splattered while pouring water. Finally, the moisture content of the soil and the proportion of the rubber sand are evenly distributed. 2. On the top of the blank, add sand with a certain amount of water (about half thickness), and add wind barriers around the billet. The Gaza soil layer can adjust the drying speed of the top slab without causing cracks due to wind and sun exposure. A wind barrier can ease the wind force so that it will not cause brick cracks due to large wind force. 3. The flower stand adopts three straight and two oblique, two straight and one oblique, one flat and six variable eight methods. When weaving, first three straight straight blanks, then two oblique blanks, then two straight straight blanks, from the upper shelf (solid frame) when the six rows of high to eight rows of high, and finally put a blank