Filtering device for waste gold plating solution electrolysis recovery device containing gold cyanide

Abstract

The filtering device for the gold cyanide-containing waste gold plating solution electrolytic recovery device comprises a gold cyanide-containing waste gold plating solution conveying pipe, a net-shaped filtering module part is arranged on the gold cyanide-containing waste gold plating solution conveying pipe, and an ultrafiltration module is arranged corresponding to the net-shaped filtering module; the net-shaped filtering module part comprises an activated carbon filtering body and a granular impurity filtering body, activated carbon is arranged in the activated carbon filtering body and used for adsorbing organic pollutants, and an organic pollution pretreatment-free structure is formed; the ultrafiltration module comprises an ultrafiltration part main body, ultrafiltration part filtering holes are uniformly formed in the ultrafiltration part main body, a plurality of ultrafiltration grooves are further formed in the ultrafiltration part main body, and ultrafiltration membranes are arranged on the side edges and the bottoms of the ultrafiltration grooves; and the ultrafiltration membrane is used for coarsely filtering cyanide to form a gold content reducing interference type ultrafiltration execution structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection technology and its use equipment, specifically, it is a kind of filter device for gold cyanide waste gold plating solution electrolytic recovery device. BACKGROUND

[0002] Now gold plating process mainly uses cyanide gold plating. Because cyanide gold plating makes the smoothness and firmness of plating layer better than cyanide-free electroplating. After a period of use, the impurities in the electroplating solution accumulate to a certain extent and must be recovered. On the one hand, the precious metals in the waste liquid are extracted, and on the other hand, the cyanide is treated into a substance harmless to the environment.

[0003] The treatment of gold cyanide waste gold plating solution mainly uses electrolysis, but if the gold cyanide waste gold plating solution contains impurities that interfere with electrolysis, subsequent electrolysis will not proceed smoothly.

[0004] Therefore, it is necessary to provide a filter device for gold cyanide waste gold plating solution electrolytic recovery device to solve the above problems. SUMMARY

[0005] The utility model aims at providing a filter device for gold cyanide waste gold plating solution electrolytic recovery device.

[0006] The technical scheme is as follows:

[0007] A filter device for gold cyanide waste gold plating solution electrolytic recovery device, comprising a gold cyanide waste gold plating solution conveying pipe, a net-like filter module part is arranged on the gold cyanide waste gold plating solution conveying pipe, and an ultrafiltration module is arranged corresponding to the net-like filter module;

[0008] The net-like filter module part comprises an activated carbon filter body and a granular impurity filter body, activated carbon is arranged in the activated carbon filter body for adsorbing organic pollutants, and an organic pollution pre-treatment structure is formed;

[0009] The ultrafiltration module comprises an ultrafiltration part main body, ultrafiltration part filter holes are uniformly arranged on the ultrafiltration part main body, and a plurality of ultrafiltration grooves are also arranged on the ultrafiltration part main body, and ultrafiltration membranes are arranged on the side and bottom of the ultrafiltration grooves; The ultrafiltration membrane performs rough filtration of cyanide, and a gold content reduction interference type ultrafiltration execution structure is formed.

[0010] Further, the granular impurity filter body has a filter pore diameter of 5-8 μm, which is used as a granular impurity filtration treatment structure.

[0011] Further, the pore diameter of the ultrafiltration part filter hole is not greater than 4 μm.

[0012] Further, the number of the plurality of ultrafiltration grooves is 5-9.

[0013] Further, the ultrafiltration membrane is a polysulfone or polyamide ultrafiltration membrane.

[0014] Further, the active carbon filter and the granular impurity filter are further provided with an alkali-resistant reverse osmosis membrane, the pore size of the alkali-resistant reverse osmosis membrane is smaller than the particle size of the alkaline substance, the alkali-resistant reverse osmosis membrane can effectively block the passage of the substances, and an effective gold content interference type wastewater filtering execution structure is formed.

[0015] Further, a filter replacement switch opening is arranged on the gold-containing cyanide waste gold plating liquid conveying pipe corresponding to the setting area of the net-shaped filter module and the ultrafiltration module.

[0016] Further, a switch plate is connected to the filter replacement switch opening in a hinged manner, and a sealing strip is arranged at the connection between the switch plate and the filter replacement switch opening.

[0017] Compared with the prior art, the organic pollutants, the granular impurities and the cyanide are effectively filtered in the present application, the interference of the subsequent electrolysis process is reduced, and the electrolysis operation is ensured to be orderly performed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a structural schematic diagram of the present application.

[0019] Fig. 2 is a schematic diagram of the ultrafiltration module. DETAILED DESCRIPTION

[0020] Embodiment:

[0021] Please refer to Figs. 1-2 The present embodiment shows a filtering device for a gold-containing cyanide waste gold plating liquid electrolysis recovery device, which comprises a gold-containing cyanide waste gold plating liquid conveying pipe 1, a net-shaped filter module part is arranged on the gold-containing cyanide waste gold plating liquid conveying pipe 1, and an ultrafiltration module 2 is arranged corresponding to the net-shaped filter module.

[0022] The net-shaped filter module part comprises an active carbon filter 3 and a granular impurity filter 4, and the active carbon filter 3 is provided with active carbon for adsorbing organic pollutants, thereby forming an organic pollution pre-treatment structure.

[0023] The ultrafiltration module comprises an ultrafiltration part body 21, the ultrafiltration part body 21 is uniformly provided with ultrafiltration part filter holes, and a plurality of ultrafiltration grooves 22 are further arranged on the ultrafiltration part body, and the side and bottom of the ultrafiltration groove 22 are provided with ultrafiltration membranes; the ultrafiltration membranes perform rough filtration of cyanide, thereby forming a gold content interference type ultrafiltration execution structure.

[0024] The granular impurity filter 4 has a filter pore size of 5-8 microns, and is used as a granular impurity filtering treatment structure.

[0025] The pore size of the filter hole of the ultrafiltration part is not greater than 4 mu m.

[0026] The number of the several ultrafiltration tanks 22 is 5-9.

[0027] The ultrafiltration membrane is a polysulfone or polyamide ultrafiltration membrane.

[0028] The active carbon filter 3, the granular impurity filter 4 and the alkali-resistant reverse osmosis membrane 5 are arranged in the gold-containing cyanide waste gold plating solution conveying pipe corresponding to the setting area of the net filter module part and the ultrafiltration module 2.

[0029] The filter replacement switch opening is arranged on the gold-containing cyanide waste gold plating solution conveying pipe corresponding to the setting area of the net filter module part and the ultrafiltration module 2.

[0030] The switch plate 6 is connected to the filter replacement switch opening through a hinge mode, and a sealing strip is arranged at the connection position of the switch plate and the filter replacement switch opening.

[0031] Compared with the prior art, the organic pollutants, the granular impurities and the cyanide are effectively filtered first, the interference of the subsequent electrolysis process is reduced, and the electrolysis operation is ensured to be orderly.

[0032] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, some modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A filter device for an electrolytic recovery device for gold cyanide-containing waste gold plating solution, characterized by: The gold-containing cyanide waste gold plating solution conveying pipe is provided with a net-shaped filter module part, and a corresponding ultrafiltration module is arranged on the net-shaped filter module part. The net-shaped filter module part includes an activated carbon filter body and a granular impurity filter body, and the activated carbon filter body is provided with activated carbon for adsorbing organic pollutants and forming an organic pollution pre-treatment structure. The ultrafiltration module includes an ultrafiltration part body, which is uniformly provided with ultrafiltration part filter holes and a plurality of ultrafiltration grooves, and the side and bottom of the ultrafiltration groove are provided with ultrafiltration membranes.

2. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 1, characterized in that: The granular impurity filter body has a filter pore diameter of 5-8 μm and is used as a granular impurity filtering structure.

3. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 2, characterized in that: The pore diameter of the ultrafiltration part filter hole is not greater than 4 μm.

4. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 3, characterized in that: The number of the plurality of ultrafiltration grooves is 5-9.

5. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 4, characterized in that: The ultrafiltration membrane is a polysulfone or polyamide ultrafiltration membrane.

6. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 5, characterized in that: An alkali-resistant reverse osmosis membrane is further arranged between the activated carbon filter body and the granular impurity filter body, the pore size of the alkali-resistant reverse osmosis membrane is smaller than the particle size of the alkaline substance, and the alkali-resistant reverse osmosis membrane can effectively block the passage of these substances, thereby forming an effective gold content interference reduction type wastewater filtering execution structure.

7. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 6, characterized in that: A filter replacement switch opening is arranged on the gold-containing cyanide waste gold plating solution conveying pipe corresponding to the setting area of the net-shaped filter module part and the ultrafiltration module.

8. The filtering device for the cyanide gold-containing waste gold plating solution electrolytic recovery device according to claim 7, characterized in that: A switch plate is connected to the filter replacement switch opening by a hinge, and a sealing strip is arranged at the connection between the switch plate and the filter replacement switch opening.

Images