Method and system for processing junk batteries by using agglomeration technology

A waste battery and treatment system technology, applied in the direction of solid waste removal, etc., can solve the problem that waste residue is difficult to reuse, and achieve the effects of short construction period, favorable resource utilization, and energy saving

Active Publication Date: 2006-07-05
SHOUGANG CORPORATION
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] Aiming at the problem that waste residues are difficult to reuse in the treatment of waste batteries, the present invention provides a waste battery treatment method and system with simple process, no secondary pollution, and large-scale treatment

Method used

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  • Method and system for processing junk batteries by using agglomeration technology

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Embodiment Construction

[0019] The waste battery is sent to the crusher 3 by the screw feeder 1 through the transmission belt 2 for crushing and screening, and then enters the low-temperature roasting furnace 4 and the Hg recovery device 5. After roasting, the sample enters the vibrating water washing and filtering system to remove K and Na device 6, After passing through the crystallization device 7, it enters the high-temperature roasting furnace 8 and the zinc recovery system 9, and finally the residue passes through the feeder 10, and is mixed into the sintering system 11, and the sintered ore enters the blast furnace 12 for smelting.

[0020] The system for processing waste batteries using the above-mentioned sintering process mainly includes a waste battery processing and crushing system, a low-temperature roasting and recycling system, a waste battery vibration washing and filtering system, a high-temperature roasting and recycling system, and a sintering system. Take advantage of the system: ...

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Abstract

The present invention relates to a method for treating waste and old battery by using sintering process and its system. Said method includes the following procedures: breaking waste battery, screening, low-temperature roasting (recovering mercury), water washing (recovering NaCl, KCl and Zn Cl2, etc.), high-temperature roasting (recovering low-boiling point metal zinc and cadmium, etc.), sintering finalresidue and blast furnace smelting to recover and utilize residual metal elements of iron, nickel and manganese, etc.

Description

technical field [0001] The invention belongs to the technical field of harmless treatment of waste batteries, and in particular relates to a method and a system for treating waste batteries by using a sintering process. Background technique [0002] While batteries bring convenience to our lives, they also have a considerable negative impact on our living environment. The hazards of waste batteries are characterized by "short-term use and long-term pollution". Harmless treatment of waste batteries has become a top priority. [0003] The disposal of waste batteries mainly faces two problems, the first is the recycling of useful substances, and the second is the harmless treatment of waste gas, liquid, and slag. At present, there are mainly hydrometallurgical recycling methods and pyrometallurgical recycling methods for the recycling of waste batteries in foreign countries. in: [0004] (1) Hydrometallurgy refers to the use of acid to interact with zinc and manganese dioxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
Inventor 赵志星廖洪强钱凯王存政于广炜吴宏斌
Owner SHOUGANG CORPORATION
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