Method of separating iron and carbon from dust setting ash
A technology for iron separation and electromagnetic separation, applied in solid separation, wet separation, chemical instruments and methods, etc., to achieve high application value and added value, simple process, and environmental improvement
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[0013] Example 1:
[0014] Take 1kg of dedusting ash as an example, mix the dedusting ash with water to make a suspension of 0.2kg / L, and add it from the top feed port of the electromagnetic separation tower through a pump at a flow rate of 5L / min. The tower has a diameter of 100 millimeters and a height of 2.5 meters, and 6 magnetic coils with a magnetic field strength of 300-500G (Gauss) are fixed on the outside. After the feeding is completed, open the water inlet, make the water flow 200L / h, and control the magnetic field strength at 400G. The content of iron and carbon in the samples separated at different times is shown in Table 1.
[0015] Inlet water flow
Example Embodiment
[0016] Example 2:
[0017] The operation steps are the same as in Example 1. Control the inlet water flow to 200L / h, the magnetic field strength to be 340 Gauss, and the carbon sample at the top of the tower operating for 35 minutes, the carbon mass is 290g, the iron mass is 4.5g, the iron mass in the bottom iron sample is 655g, and the carbon mass is 11.2g , The carbon content in the bottom iron sample is 1.68%.
Example Embodiment
[0018] Example 3:
[0019] The operation steps are the same as in Example 1. The control water flow rate is 140L / h, the magnetic field strength is about 400 Gauss, and the carbon sample has been running for 50 minutes. The carbon mass is 285g, the iron mass is 2.5g, the iron mass in the bottom iron sample is 680g, and the carbon mass is 28.5g. The carbon content in the bottom iron sample is 4%.
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