Zinc smelting tail gas purifying and recycling device
A tail gas purification and zinc smelting technology, which is applied in the direction of combined devices, liquid separation agents, chemical instruments and methods, etc., to achieve the effects of increasing the contact area, facilitating recycling and reusing, and accelerating the discharge speed
Pending Publication Date: 2022-04-12
桂阳银龙科技有限责任公司
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Problems solved by technology
[0004] In prior art, for example figure 1 As shown, most of the washing liquid is in contact with the exhaust gas through the spray structure to react, and the elemental zinc and the exhaust gas are separated and recovered, but the purification efficiency of the exhaust gas is related to its emission speed. When the emission speed is slow, the exhaust gas The reaction rate with the washing solution also decreases
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[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0046] see Figure 2-Figure 10 As shown, the present invention is a zinc smelting tail gas purification and recycling device, including a tower box 1, the side of the tower box 1 is fixedly connected with a first delivery pipe 2 and a second delivery pipe 3 from bottom to top, and the first delivery pipe 2 and the second conveying pipe 3 are respectively used for conveying tail gas and scrubbing liquid, and the upper and lower ends of the tower case 1 are respectiv...
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The invention discloses a zinc smelting tail gas purifying and recycling device, and relates to the technical field of industrial waste gas recycling, the zinc smelting tail gas purifying and recycling device comprises a tower box, the side face of the tower box is fixedly connected with a first conveying pipe and a second conveying pipe in sequence from bottom to top, and the upper end and the lower end of the tower box are fixedly connected with a first discharging pipe and a second discharging pipe respectively; and a disturbance structure is installed in the tower box and located between the first conveying pipe and the second conveying pipe, a driving structure for driving the disturbance structure is installed on one side of the tower box, a diffusion structure communicating with the second conveying pipe is installed in the tower box, and an extraction structure is installed on the upper side, close to the diffusion structure, in the tower box. The diffusion structure is arranged in the tower box, washing liquid can be scattered, solid impurities in waste gas can be separated through the first filter screen in the diffusion structure, meanwhile, the exhaust speed of the waste gas can be increased through the extraction structure, and the exhaust direction of the waste gas is restrained.
Description
technical field [0001] The invention relates to the technical field of industrial waste gas recovery, in particular to a zinc smelting tail gas purification and recovery device. Background technique [0002] Zinc smelting mainly includes pyro-smelting and hydro-smelting. Among them, electric furnace zinc smelting is to mix zinc oxide material with carbonaceous reducing agent and reduce it to gaseous zinc at high temperature. However, in the process of circuit zinc smelting, the tail gas Elemental zinc accounts for about 20% of the total content in the initial furnace gas. If it is discharged directly, it will cause a large amount of zinc loss and cause air pollution. [0003] After searching, the Chinese patent discloses a high-efficiency recovery method for elemental zinc in the tail gas of electric furnace zinc smelting (publication number: CN110029233A). Washing tower, in which the tail gas is quenched with the prepared salt solution as the washing liquid, and the elemen...
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IPC IPC(8): B01D50/60B01D47/06B01D53/18B01D53/14
Inventor 曹剑锋曹毅谢永苞
Owner 桂阳银龙科技有限责任公司