Re-lined and renewed reactor and manufacturing method thereof
A manufacturing method and technology of reaction tank, applied in chemical instruments and methods, chemical/physical/physical chemical process, chemical/physical process, etc., can solve the problems of serious loss of steel and large waste of funds, etc.
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Embodiment 1
[0059] Such as figure 1 The shown re-enamelled new reaction tank includes a tank body 1 that has passed the inspection, and the tank body 1 includes an inner cylinder body 2 that has passed the renovation inspection and a new outer jacket 3 that has passed the inspection. The inner cylinder body 2 and the new outer jacket 3 are welded into an integrated structure, and there is a cavity 4 between the two; the upper opening of the inner cylinder body 2 is provided with a large equipment flange 5, and the lower opening is provided with a discharge port flange 23, so The inner wall of the inner cylinder body 2 is coated with a glass-lined glaze layer 6 .
[0060] Such as figure 2 As shown in the inner cylinder body, the inner cylinder body 2 includes a straight cylinder body 2.1 and an inner head piece 2.2 connecting the straight cylinder body 2.1, and there are three sets of butt welds on the outer wall of the inner cylinder body 2, including butt straight welds 2.11, The uppe...
Embodiment 2
[0092] In the re-enameling new reaction tank and its manufacturing process steps of this embodiment, except that the process conditions in the following steps are different, the rest are manufactured according to the steps of Example 1. Wherein, in step 9) and step 11), the firing process of medium-temperature pre-firing, high-temperature sintering, heat preservation, and stage-by-stage controlled firing is adopted during firing. 3 hours, and then fired at 860-960°C for 0.5-1 hour. In step 11), the number of times that the calibrated reaction tank is repeatedly boiled is 5 times.
[0093] The re-enamelling new reaction tank manufactured by adopting precision-controlled internal heating electric furnace, automatic glaze slurry spraying equipment, equipment large flange shaping device and electric heating temperature control insulation cylinder, the maximum and minimum diameter difference of the large flange of the equipment is ≤3mm, the plane The thickness tolerance is ≤1mm, a...
Embodiment 3
[0095] In the re-enameling new reaction tank and its manufacturing process steps of this embodiment, except that the process conditions in the following steps are different, the rest are manufactured according to the steps of Example 1. Wherein, in step 9) and step 11), the firing process of medium-temperature pre-firing, high-temperature sintering, heat preservation, and stage-by-stage controlled firing is adopted during firing. 3 hours, and then fired at 860-960°C for 0.5-1 hour. In step 11), the number of times that the calibrated reaction tank is repeatedly boiled is 6 times.
[0096]The new re-enameling reaction tank manufactured by adopting precision controlled internal heating electric furnace, automatic glaze slurry spraying equipment, large flange shaping device and electric heating temperature control insulation cylinder, the maximum and minimum diameter difference of the large flange of the equipment is ≤3mm, and the plane The thickness tolerance is ≤1mm, and the w...
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