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Vacuum cutting method and device for vacuum suction of anode mud from cell bottom

A vacuum suction, anode slime technology, applied in the electrolysis process, electrolysis components, etc., can solve the problems of affecting the quality of metal deposition on the cathode plate, polluting the new electroplating solution, and returning the anode slime to turbidity, etc. Violation of tank workers, elimination of effects, and effects of eliminating the effects of misoperation

Inactive Publication Date: 2012-09-05
XINGMIN TECH ZHUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this vacuum cutting method are: 1) The cutting work must be carried out on the top of the electrowinning tank to face the erosion of acid mist; 2) Due to the length limit of the anode mud suction head, each electrowinning tank must Multi-point cutting is carried out, so the cutting time is long and the labor intensity is high; 3) Restricted by operational factors, manual cutting can easily cause the anode slime to return to muddy, pollute the new electrowinning solution, and affect the deposition quality of metal on the cathode plate
Vacuum trenching method for vacuuming anode slime from the bottom of the tank, no similar patents have been found in published Chinese patents

Method used

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  • Vacuum cutting method and device for vacuum suction of anode mud from cell bottom
  • Vacuum cutting method and device for vacuum suction of anode mud from cell bottom
  • Vacuum cutting method and device for vacuum suction of anode mud from cell bottom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment one: A vacuum cutting device for single-point vacuum suction of anode slime from the bottom of the tank

[0044] figure 1 It is a vacuum cutting device for single-point vacuum suction of anode sludge from the bottom of the tank, and is composed of an electrowinning tank 6 , a vacuum separation device 19 and a vacuuming device 7 . The anode slime 10 in the electrowinning cell 6 is vacuumed from the anode slime outlet 13 provided at the bottom 11 of the bucket-shaped chamber through a vacuum valve 12 and a vacuum separation device 19 .

[0045] It can be seen that the electrowinning cell 6 is a small electrowinning cell with only one bucket-shaped chamber bottom 11 . The slope of the tank bottom 11 of the bucket-shaped chamber is greater than the angle of repose of the anode slime 10 in the new electrowinning solution 5 , and the anode slime 10 falling off the anode plate 3 tends to gather at the anode slime outlet 13 . When the deposition layer of the anod...

Embodiment 2

[0050] Embodiment two: A vacuum cutting device for vacuuming anode slime from multiple points at the bottom of the tank

[0051] figure 2 It is a vacuum cutting device for multi-point vacuum suction of anode slime from the bottom of the tank, consisting of an electrowinning tank 6, a vacuum separation device 19 and a vacuuming device 7. When adopting a large-scale electrowinning cell scheme, it is better to implement the vacuum cutting process of vacuuming the anode slime from multiple points at the bottom of the cell.

[0052] Since the size of the large electrowinning tank 6 is too large, if a single bucket-shaped chamber bottom structure is adopted, the total height of the electrowinning tank may be too high, resulting in a significant increase in the manufacturing cost of the electrowinning tank. figure 2 The electrowinning cell 6 shown is provided with three bucket-shaped chamber bottoms 11, 22 and 26, and the bottom slopes of all bucket-shaped chamber bottoms are gr...

Embodiment 3

[0055] Embodiment three: one Anode Slime Vacuum Separation Device

[0056] image 3 It is a vacuum separation device for anode slime, which is composed of a vacuum liquid receiving device 9, a gravity sludge discharge device 16 and a liquid sealing device 15, and the vacuum system used is a water ring vacuum pump system. Compared with the conventional vacuum separation device, it is superior in that the height of the upper end of the gravity sludge discharge pipe 17 is set to be lower than the height of the bottom of the electrowinning tank 6 . Usually, the liquid sealing device 15 is arranged at a place 5-10 meters lower than the bottom of the electrowinning tank. This setting can make full use of the potential energy of the liquid surface 2 of the electrowinning tank, which is beneficial to reduce the vacuum force of the vacuum device 7 , and especially effectively prevents the deposition of the anode slime 10 in the vacuum tube 20 . Although it is theoretically feasible...

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Abstract

The invention discloses a vacuum cutting method and a vacuum cutting device for vacuum suction of anode mud from a cell bottom. A winning cell with a hopper-shaped cavity bottom is adopted; the bottom of the hopper-shaped cavity bottom of the winning cell is provided with an anode mud outlet, so that the anode mud is gathered at the anode mud outlet of the bottom of the winning cell; the anode mud outlet is connected with a vacuum suction pipe which is connected with a vacuum separation device; and the anode mud generated by the winning cell passes through the vacuum separation device, is sucked into a vacuum liquid receiving device of the vacuum separation device through the anode mud outlet at the bottom of the hopper-shaped cavity bottom of the winning cell under the vacuum state, flows into a liquid seal device through a gravity mud discharge pipe, and is finally introduced into an anode mud storage tank or a leaching system through a process pump. The winning cell comprises a winning cell provided with a movable sealed cover and an open winning cell. The method and the device can be applied to all electrowinning processes.

Description

Technical field [0001] The invention relates to a metal smelting method and device, in particular to a vacuum cutting method and device produced by electrowinning, belonging to the technical field of hydrometallurgy. Background technique [0002] Pure metals such as copper, zinc, and nickel are usually produced by electrowinning. The anode slime associated with the electrowinning process is deposited on the bottom of the electrowinning tank and needs to be cleaned regularly, otherwise, it will cause anode and cathode short circuits. The process of cleaning anode slime is called cutting. [0003] The known electrowinning cell is a flat bottom structure. The resulting cutting method is to insert a vacuum suction tube from the groove surface into the bottom of the groove after pulling out part of the cathode plate, and perform multi-point suction on the anode slime, which is commonly called vacuum cutting. It is characterized in that the anode slime is vacuum-suctioned from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C7/06
Inventor 曾兴民
Owner XINGMIN TECH ZHUZHOU
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