Novel combined hardness remover
A combined and hard technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. High-level problems, to achieve good removal effect, ensure the overall effluent quality, and ensure the effect of water passing capacity
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[0023] The new combined hardness removing device of the present invention will be further described below in conjunction with the accompanying drawings.
[0024] New combined hardness removal device, see figure 1 , including a water inlet unit 1, a sediment generation reaction unit 2, a filtration separation unit 3, a water quality improvement unit 4 and a clear water tank 5 connected in sequence;
[0025] The water inlet unit 1 is provided with a hardness removing agent and a coagulant dosing port.
[0026] The sediment generation reaction unit 2 is a cuboid or a cube, and its aspect ratio is between 1:1:1-3:1:2; the magnetic hydroxyapatite defluorination unit 2 is filled with calcium carbonate and coagulant The flocs formed have a concentration of 1-20g / L. The bottom plate 21 of the sediment generation reaction unit 2 is set obliquely, with an inclination angle of 20-60°; the water inlet unit 1 is connected to the upper edge of the bottom plate 21, and the water inlet dire...
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