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江苏省泰县精密铸钢件厂最近试制成功退火炉用的刺凸形辐射管并已投入批量生产。这种刺凸形辐射管为离心浇注成型,采用了先进的工艺和涂料,使其外表面为均匀分布的刺凸形,刺凸的密度为15～25个/cm~2高度为1～2mm。与传统的光面辐射管相比,表面积增加25%～30%,热效率提高了10%左右,节能10%～15%,该产品内部组织细密,壁厚均匀,内壁光滑,耐压值达0.5MPa。外表面保持刺凸状,不切削;内表面采用保温去渣新工艺,少切削,其抗高温氧化性能显著提高,在1200℃高温下连续工作,不
Taixian Precision Casting Steel Factory in Jiangsu Province, recently successfully trial-annealing furnace with a spiked radiant tube and has been put into mass production. This spiked radiant tube for centrifugal casting, the use of advanced technology and coatings, so that the outer surface of the uniform distribution of spines, spines density of 15 ~ 25 / cm ~ 2 height of 1 ~ 2mm . Compared with the traditional smooth radiant tube, the surface area increased by 25% to 30%, the thermal efficiency increased by about 10%, energy saving 10% to 15%, the product within the organization of fine, uniform wall thickness, pressure value of 0.5 MPa. The outer surface remains spiculate, not cutting; the inner surface of the new technology to heat to the residue, less cutting, the oxidation resistance of high temperature significantly improved at 1200 ℃ high temperature continuous work, not