Making method of high-compactness ceramic-lined steel tube
A technology of ceramic lining and steel pipe, applied in the direction of pipe, rigid pipe, pipeline protection, etc., can solve the problems of high cost and increased crack rate of finished products, and achieve the effect of simple method, high density and low raw material cost
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[0017] The preparation method of a high-density ceramic-lined steel pipe proposed by the present invention is further described in conjunction with the embodiments as follows:
[0018] An example of producing a ceramic composite steel pipe with a lining thickness of 5mm includes the following steps:
[0019] 1) Three grinding rods 2 (the material used is Al 2 O 3 , the rod diameter is 50mm, the length is 1000mm) is placed in the steel pipe 1 along the axial direction (the steel pipe diameter is 430mm, the length is 1000mm, and the thickness is 12mm), its axis is parallel to the steel pipe axis, and both ends of the grinding rod are fixed on the steel pipe. On the support, there is a gap between the side of the grinding rod and the inner side of the steel pipe, and the width of the gap is about 5mm;
[0020] 2) The composition Fe of thermite 2 O 3 +Al by mass: aluminum powder (5936g), iron oxide powder (20860g), feldspar powder (392g), quartz powder (392g), mixed and filled...
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