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Nickel recovery device

A nickel recovery and electrolysis device technology, which is applied in the field of heavy metal recovery devices, can solve the problems of many operators, substandard wastewater, secondary pollution, etc., and achieve the effects of low energy consumption, improved efficiency, and improved adsorption efficiency

Inactive Publication Date: 2016-11-09
CHENGDU HONGHUA ENVIRONMENTAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method requires a large number of operators, the process is complicated, and it is easy to make mistakes, resulting in the discharge of wastewater that does not meet the standard.
Moreover, the flocculated solid product of this method is a dangerous substance containing nickel, which is easy to cause secondary pollution.

Method used

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  • Nickel recovery device

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

[0012] Such as figure 1 Shown, a kind of nickel recovery device, it comprises waste liquid tank 1, filter A2, clean water tank 5 and acid liquid tank A6, nickel liquid storage tank 9, electrolysis device 10, nickel extraction device 11, described waste liquid tank The liquid outlet of 1 is connected with the liquid inlet of filter A2, and the outlet of said filter A2 is provided with two branch pipes, wherein one branch pipe is connected with the first adsorption tower 3, and the other branch pipe is connected with the second adsorption tower 4. The first adsorption tower 3 and the second adsorption tower 4 are equipped with ion exchange resins, and the ion exchange resins can quickly absorb nickel ions in waste water. The first adsorption tower 3 and the second adsorption tower 4 The outlets of the...

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Abstract

The invention discloses a nickel recovery device. The nickel recovery device comprises a waste liquid tank, a filter A, a clear water tank, an acid liquor tank A, a nickel liquid storage tank, an electrolysis device and a nickel extraction device; a liquid outlet of the waste liquid tank is connected with a liquid inlet of the filter A, an outlet of the filter A is provided with two branch pipes, a first adsorption tower is connected to one branch pipe, a second adsorption tower is connected to the other branch pipe, filters B are connected to a waste liquid outlet of the first adsorption tower and a waste liquid outlet of the adsorption tower respectively, the liquid outlets of the filters B are connected with wastewater treatment plants, the clear water tank is connected with the first adsorption tower and the second adsorption tower respectively, the acid liquor tank A is communicated with the first adsorption tower and the second adsorption tower respectively, a nickel liquid outlet of the first adsorption tower and a nickel liquid outlet of the second adsorption tower are both connected with the nickel liquid storage tank, and the nickel liquid storage tank is connected with the electrolysis device which is connected with the nickel extraction device. The nickel recovery device has the advantages of being simple in structure, high in recovery efficiency and free of secondary pollution.

Description

technical field [0001] The invention relates to a heavy metal recovery device, in particular to a nickel recovery device. Background technique [0002] A certain amount of nickel-containing cleaning water is produced during the electroplating process, and the rinsing water contains a relatively high concentration of nickel ions, and the nickel content often exceeds the national discharge standard. Generally, the nickel content of the waste water is 0.3-1g / L, while the national discharge standard is 0.5 mg / L. If no recovery system is added, the nickel ions in the waste water will be wasted in vain, and certain treatment costs will be incurred. At present, the wastewater treatment usually adopts the method of sedimentation and flocculation after adjusting the pH value. This method requires a large number of operators, complicated procedures, and is prone to errors, resulting in the discharge of wastewater that does not meet the standard. Moreover, the flocculated solid produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C25C1/08
CPCC25C1/08C02F9/00C02F1/42C02F1/001C02F2303/16C02F2301/08Y02P10/20
Inventor 韦建敏赵兴文张晓蓓张小波
Owner CHENGDU HONGHUA ENVIRONMENTAL SCI & TECH CO LTD
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