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Device for spraying pyrolyzing of copper nitrate solution and application method thereof

A technology of spray pyrolysis and copper nitrate, which is applied in the directions of combined devices, separation methods, chemical instruments and methods, can solve problems such as difficulty in comprehensive utilization of copper nitrate solution, achieve good economic benefits and resource and environmental benefits, realize precise control, The effect of reducing energy consumption

Pending Publication Date: 2019-06-04
JINCHUAN GROUP LIMITED
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a device for spraying pyrolysis of copper nitrate solution to solve the problem of difficult comprehensive utilization of copper nitrate solution

Method used

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  • Device for spraying pyrolyzing of copper nitrate solution and application method thereof
  • Device for spraying pyrolyzing of copper nitrate solution and application method thereof

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0033] Such as figure 1 As shown, a device for spray pyrolysis of copper nitrate solution includes atomizer 4, pyrolysis furnace 3, heater 5 and dust collection system, and also includes feed system and high-pressure blower 9, and feed system includes material Pipeline 1 and feed pump 2, material pipeline 1 is connected to the inlet of feed pump 2, material valve V02 is provided on material pipeline 1, and the outlet of feed pump 2 passes through the pipeline and atomizer 4 The atomizer 4 is located above the pyrolysis furnace 3, the lower end of the pyrolysis furnace 3 is connected to the dust collection system through a pipe, the air inlet of the high-pressure fan 9 is connected to the dust collection system, and the air outlet of the high-pressure fan 9 is connected to the heater 5 through a pipe Link to each other, heater 5 links to each other with pyrolysis fur...

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Abstract

The invention discloses a device for spraying pyrolyzing of a copper nitrate solution and an application method thereof, belongs to the field of metallurgy equipment, and solves the problem of difficulty in comprehensive utilization of the copper nitrate solution. The device comprises an atomizer, a pyrolyzing furnace, a heater, a dust collecting system, a feeding system and a high-pressure fan, the feeding system comprises a material pipeline and a material supply pump which are connected with each other, the material pipeline is provided with a material valve, the material outlet of the material supply pump is connected with the atomizer, the atomizer is located above the pyrolyzing furnace, the lower end of the pyrolyzing furnace is connected with the dust collecting system, the air inlet of the high-pressure fan is connected with the dust collecting system, the air outlet of the high-pressure fan is connected with the heater, the heater is connected with the upper end of the pyrolyzing furnace, the air outlet of the high-pressure fan is provided with an outer exhaust pipeline, a flue gas suction fan is arranged on the outer exhaust pipeline, and a flue gas valve is arranged ona pipeline between the high-pressure fan and the heater. The copper nitrate solution system can be converted into copper oxide and nitric oxide gas by the device, no impurities are introduced in the whole pyrolyzing process, no waste water waste residue is generated, and the device is clean and pollution-free.

Description

technical field [0001] The invention belongs to the field of metallurgical equipment, and in particular relates to a device for spraying pyrolysis of copper nitrate solution and an application method thereof. Background technique [0002] With the development of equipment technology in recent years, nitric acid has been widely used in the field of nickel, copper, cobalt and other non-ferrous metal hydrometallurgy. The use of nitric acid can realize efficient and selective leaching of non-ferrous metals, and nitric acid can be recycled, which can effectively Reduce acid consumption costs. However, with the application of nitric acid, how to process and realize the comprehensive utilization of its product copper nitrate solution has become the technical bottleneck of the nitric acid system metallurgical process. [0003] In the traditional copper hydrometallurgy process, sulfuric acid system insoluble electrowinning or soluble electrolysis process is mostly used to produce el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G3/02C22B7/00C22B15/00B01D50/00
CPCY02P10/20
Inventor 刘玉强张晗李娟李维舟王书友陈彩霞席海龙高晓婷郭金权郁洪波李全王钦马天飞路思阳张建玲
Owner JINCHUAN GROUP LIMITED
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