Method for enriching and recovering thallium from lead smelting system
A lead smelting and enrichment technology, applied in the direction of improving process efficiency, etc., to achieve the effects of reducing production costs, low toxicity, and ensuring product quality
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[0044] Example 1
[0045] A method for enriching and recovering thallium from a lead smelting system, the method comprising the following steps:
[0046] (1), collect thallium cadmium soot from lead concentrate smelting system; Concrete process is as follows:
[0047] A: Put the lead concentrate and auxiliary materials (stone, limestone, crushed coal, coke, about 10% of the total amount of auxiliary materials) into the oxygen-rich bottom-blowing furnace, and then use an oxygen lance to blow oxygen (oxygen pressure is 0.5 ~ 1.2MPa, oxygen The blowing amount is 90-130m per ton of the mixture of lead concentrate and auxiliary materials. 3 oxygen. ), heating and smelting, oxidative smelting and desulfurization at 950-1300 ℃ to produce high lead slag, crude lead and high temperature SO 2 Smoke dust, high temperature SO 2 After the flue gas and dust are discharged, the waste heat boiler is cooled (cooled to 270~370 ℃) and then electric dust collection is carried out (the waste h...
Example Embodiment
[0060] Example 2
[0061] A method for enriching and recovering thallium from a lead smelting system, the method comprising the following steps:
[0062] (1), collect thallium cadmium soot from lead concentrate smelting system; Concrete process is as follows:
[0063] A: Put the lead concentrate and auxiliary materials (stone, limestone, crushed coal, coke, about 10% of the total amount of auxiliary materials) into the oxygen-rich bottom-blowing furnace, and then use an oxygen lance to blow oxygen (oxygen pressure is 0.5 ~ 1.2MPa, oxygen The blowing amount is 90-130m per ton of the mixture of lead concentrate and auxiliary materials. 3 oxygen. ), heating and smelting, oxidative smelting and desulfurization at 950-1300 ℃ to produce high lead slag, crude lead and high temperature SO 2 Smoke dust, high temperature SO 2 After the flue gas and dust are discharged, the waste heat boiler is cooled (cooled to 270~370 ℃) and then electric dust collection is carried out (the waste h...
Example Embodiment
[0076] Example 3
[0077] A method for enriching and recovering thallium from a lead smelting system, the method comprising the following steps:
[0078] (1), collect thallium cadmium soot from lead concentrate smelting system; Concrete process is as follows:
[0079] A: Put the lead concentrate and auxiliary materials (stone, limestone, crushed coal, coke, about 10% of the total amount of auxiliary materials) into the oxygen-rich bottom-blowing furnace, and then use an oxygen lance to blow oxygen (oxygen pressure is 0.5 ~ 1.2MPa, oxygen The blowing amount is 90-130m per ton of the mixture of lead concentrate and auxiliary materials. 3 oxygen. ), heating and smelting, oxidative smelting and desulfurization at 950-1300 ℃ to produce high lead slag, crude lead and high temperature SO 2 Smoke dust, high temperature SO 2 After the flue gas and dust are discharged, the waste heat boiler is cooled (cooled to 270~370 ℃) and then electric dust collection is carried out (the waste h...
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