Method for rapidly manufacturing industrial salt by utilizing sylvine mine and device
A technology of potassium salt ore and industrial salt, which is applied in the field of rapid production of industrial salt from potash ore, can solve the problems of high impurity content, large water consumption, shortage of resources and raw materials, etc., and achieve broad application prospects, advantages of energy saving and consumption reduction, The effect of fast evaporation process
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[0017] Example 1:
[0018] The raw materials used are taken from the potash mine in the salt lake area of Qaidam Basin, Qinghai. The brine obtained after dissolving the potash mine contains 12.53% NaCl, 1.25% KCl, and 12.77% MgCl. 2 , 4.01% Na 2 SO 4 . Use of equipment for producing industrial salt figure 1 In the device shown, the heat source of the heater 1 is solar energy, and the desalinator 2 is a membrane distiller.
[0019] The operation process of the device for rapid production of industrial salt from potash mine: the brine is heated to 95℃ in heater 1, enters desalinizer 2 and is separated into desalinated water and nearly saturated concentrated brine, concentrated brine enters evaporator 3; evaporator In 3, the ratio of the heat exchange area of the first heating chamber 4, the second heating chamber 6, and the third heating chamber 8 is 5:2:1, and the heating steam is in the first heating chamber 4, the second heating chamber 6, and the second heating chamber in se...
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[0021] Example 2:
[0022] The raw materials used are taken from the potash mine in the salt lake area of the Qaidam Basin, Qinghai. The brine obtained after dissolving the potash mine contains 6.01% NaCl, 7.10% KCl, and 10.22% MgCl. 2 , 6.12% Na 2 SO 4 . Use of equipment for producing industrial salt figure 1 In the device shown, the heat source of heater 1 is factory waste heat, and the desalinator 2 is a humidifier-dehumidifier.
[0023] The operation process of the device for rapidly preparing industrial salt from potash mine is the same as that of Example 1, except that the brine is heated to 90°C in heater 1, and the first heating chamber 4, second heating chamber 6, and third heating chamber are in the evaporator 3. The heat exchange area ratio of the heating chamber 8 is 10:2.2:1, and the volume of the concentrated liquid phase in the first evaporation chamber 5, the second evaporation chamber 7 and the third evaporation chamber 9 is controlled to 31 of the original volu...
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