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灶芯是省柴灶的“心脏”。因此,灶芯的质量和性能是省柴灶的关键所在。这里根据多年研究和实践总结了五种材料预制灶芯的制作技术,供各地同行参考。一、耐火石(泡沙石)预制灶芯。这种耐火石二氧化硅含量高,耐火保温性能好、热反射力强、坚固耐用。制作方法:可用炉渣、矿渣硅酸盐水泥加耐火石(耐火石为主)以模具制成锥体环块形(见图)。用三块组合式便于安装,留有灶门缺口。上口为锅口直径的60—70％,下口大5厘米,高度20厘米左右,厚4厘米。上口略星坡形聚热反射曲面状,使热能射向锅底。安装方法:用三块组成灶芯置于炉桥上即成燃烧室,呈上小下大的圆锥形,与拦火圈为一整体。必须调准拦火圈上沿到锅底的间隙,靠烟囱一边为
The core is the “heart” of the province’s firewood stove. Therefore, the quality and performance of the stove core is the key to saving the stove. Here, based on years of research and practice, we have summarized the production technology of five kinds of material prefabricated stove cores for reference by local counterparts. First, the refractory stone (bubble stone) prefabricated stove core. This kind of refractory stone has high silica content, good fire-resistant insulation performance, strong heat reflection, and strong and durable. Production methods: Available slag, slag Portland cement and refractory stone (mainly refractory stone) made of cone ring block shape (see figure). It is easy to install with three modular units, leaving a gap in the door. The upper mouth is 60-70% of the diameter of the pot mouth, the lower mouth is 5 centimeters in height, the height is about 20 centimeters, and the thickness is 4 centimeters. The upper surface of the slope is shaped like a heat collecting curved surface so that heat can be directed toward the bottom of the pot. Installation method: use three pieces of stove cores to be placed on the furnace bridge to form a combustion chamber, with a small conical shape and a large circle with the fire ring as a whole. Must adjust the gap between the edge of the fire ring to the bottom of the pot,