Water disposal activating bed and its uses
A technology for water treatment and activation layer, applied in the field of water treatment, can solve the problems of high energy consumption, high equipment requirements, large investment cost, etc., and achieve the effects of stable performance, low cost and long life.
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Embodiment 1
[0038] The special alloy fiber is smelted according to the following formula: 65% copper, 20% zinc, 5% tin, 5% nickel, 0.5% iron, 0.1% manganese and 0.1% cerium, 1% silicon, 1% magnesium, 0.6% chromium, Molybdenum 1.2% and Vanadium 0.5%; diameter 25-50μm, length 1.3-5mm. The activated carbon fibers are commercially available polyacrylonitrile-based activated carbon fibers with an average diameter of 10 μm and a length of 1-10 mm.
[0039] The special alloy powder is smelted according to the following formula: copper 60%, zinc 25%, tin 5%, nickel 5%, iron 0.5%, manganese 0.35%, cerium 0.15%, silicon 1%, chromium 1.0%, molybdenum 1.0% And vanadium 1.0%; the diameter of special alloy powder is 0.5-1.8mm.
[0040] Fill in the manner shown in Figure 2, specifically: use a stainless steel barrel with a nominal diameter of 500mm and a length of 1000mm as the bed body, fully mix the activated carbon fiber / special alloy fiber at a volume ratio of 1:1, and then fill it , seal with a f...
Embodiment 2
[0049] The activated bed is the same as in Example 1. This system feed water quality is also identical with embodiment 1.
[0050] Apply it to the water treatment system of the hot water boiler (model CWNS0.1-95 / 70). The residence time of water in each layer is 3.5, 10, 2 minutes respectively. After 40 days of operation, the test scale inhibition rate was 65%. After the furnace was opened for inspection, there was a layer of 0.8mm soft scale on the furnace wall and inner tube. Rinse it with a high-pressure water gun, and the scale can be washed off, exposing the smooth furnace wall and furnace tube. There is no hard scale or corrosion on the wall and pipe, and the number of heterooxygen colonies contained in the test backwater is less than 10 4 pieces / ml, the amount of slime in the return pipe is less than 2ml / m 3 .
Embodiment 3
[0052] The packing material of the activated bed is basically the same as in Example 1. But fill it as shown in Figure 1, specifically:
[0053]A stainless steel barrel with a nominal diameter of 800mm and a length of 2000mm is used as the bed, and the activated carbon fiber / special alloy fiber (diameter 30-70μm, length 2-8mm) is fully mixed according to the volume ratio of 1:1, and then filled at the bottom , the bed height is 450mm, super-powerful far-infrared nano-ceramic balls (3.5-5.0mm in diameter) are filled in the middle, the bed height is 1200mm, and special alloy powder particles (0.1-1.2mm in diameter) are filled in the top, and the bed height is 350mm. Water is fed in from the bottom, and water is discharged from the top, and is connected with a 2t / h low-pressure steam boiler (boiler model is KAW-53-AIV) water replenishment port to manufacture the activated bed of the present invention. The residence time of water in each layer is 7, 18, 5 minutes respectively. W...
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