Recycling and filtering device for precious metal powder

Abstract

The utility model discloses a precious metal powder recycling and filtering device, and relates to the field of precious metal material treatment, the precious metal powder recycling and filtering device comprises a spraying bin, a filtering assembly and a spraying assembly, the spraying bin is provided with an inner cavity, the side wall of the spraying bin is provided with a feeding port, and the spraying assembly is provided with a discharging port. A fan is arranged on the side, away from the spraying bin, of the feeding port, the bottom of the spraying bin is open, and precious metal powder is blown into the inner cavity through the fan. The filtering assembly comprises a filtering frame and a filtering net, the filtering frame is arranged around the bottom opening of the spraying bin, and the filtering net is arranged at the bottom of the filtering frame; and the spraying assembly is located at the top of the inner cavity, and the spraying assembly is used for spraying water downwards and wetting the blown noble metal powder, so that the noble metal powder falls to the filter screen. The utility model aims to improve the filtering effect of noble metal powder.

Description

Technical Field

[0001] The utility model relates to the technical field of precious metal material processing, in particular to a recovery and filtering device for precious metal powder. Background Art

[0002] At present, the processing of precious metals involves cutting, grinding, polishing and other processes, and the processing is usually accompanied by the generation of a large amount of precious metal powder. Since the precious metal powder itself has a high recycling value, these precious metal powders need to be recycled and filtered. The recycled precious metal powder contains a lot of dust impurities, so it needs to be filtered and coarsely screened to reduce the dust content before recycling and purification.

[0003] The precious metal powder containing dust impurities is usually filtered through a coarse screen. The precious metal powder is directly poured into water and filtered through a screen to screen out the larger precious metal powder and filter out the smaller dust. In this process, since the precious metal powder and dust impurities are close to each other, the dust impurities may be adsorbed on the precious metal powder, and the two are not easy to separate, resulting in poor filtering effect of the precious metal powder. Utility Model Content

[0004] The main purpose of the utility model is to provide a recovery and filtration device for precious metal powder, aiming to improve the filtering effect of precious metal powder.

[0005] To achieve the above-mentioned purpose, the precious metal powder recovery and filtration device proposed in the present invention comprises:

[0006] A spray chamber, wherein the spray chamber has an inner cavity, a feed port is provided on a side wall of the spray chamber, a fan is provided on the side of the feed port facing away from the spray chamber, and the bottom of the spray chamber is open, and the precious metal powder is blown into the inner cavity by the fan;

[0007] A filter assembly, comprising a filter frame and a filter screen, wherein the filter frame is arranged around the bottom opening of the spray bin, and the filter screen is arranged at the bottom of the filter frame;

[0008] A spray assembly is located at the top of the inner cavity and is used for spraying water downward to wet the blown precious metal powder so that the precious metal powder falls toward the filter.

[0009] In one embodiment, a feed barrel is provided on the outer periphery of the feed port, the feed barrel is connected to the inner cavity, an opening is opened on the top of the feed barrel, the fan is located on the side of the feed barrel away from the spray bin, and the precious metal powder is added through the top opening of the feed barrel.

[0010] In one embodiment, the spray assembly includes:

[0011] A plurality of spray heads, each of which is disposed at the top of the inner cavity;

[0012] A spray guide plate is located below the spray head. The spray guide plate includes a plurality of guide members arranged in a horizontal array. The water sprayed from the spray head falls toward the guide members. The guide members are used to guide the water into droplets and then drip.

[0013] In one embodiment, the spray guide plate further comprises:

[0014] a fixing frame, the fixing frame being fixed to the inner wall of the inner cavity;

[0015] A plurality of connecting bars are arranged on the inner side of the fixing frame, and the connecting bars are evenly spaced.

[0016] In one embodiment, the top and bottom of the flow guide are both conical.

[0017] In one embodiment, an opening is formed on the side wall of the filter frame, and an opening and closing door is provided at the opening of the side wall of the filter frame.

[0018] In one embodiment, a water storage tank is provided at the bottom of the filter assembly, and the water storage tank is connected to the filter frame.

[0019] In one embodiment, the spray assembly further comprises:

[0020] A water storage barrel, the water storage barrel is located on the top of the spray bin, the spray head is connected to the water storage barrel, and the water storage barrel supplies water to the spray head;

[0021] A water pump is located in the water storage bin and pumps the water in the water storage bin into the water storage barrel.

[0022] In one embodiment, a filter element is provided in the water storage barrel, and the filter element is used to filter impurities in the water.

[0023] In one embodiment, the cross-sectional area of ​​the side wall of the spray bin gradually decreases from top to bottom.

[0024] In the technical solution provided by the present invention, the precious metal powder recovery and filtration device includes a spray bin, a filter assembly, and a spray assembly. The filter assembly is arranged at the bottom opening of the spray bin, the spray assembly is arranged in the inner cavity of the spray bin, a feed port is provided on the side wall of the spray bin, and a fan is provided on the side of the feed port facing away from the spray bin. The precious metal powder is blown into the inner cavity from the feed port by the fan, and then the blown precious metal powder is wetted by the spray assembly, so that the precious metal powder falls into the filter assembly. In this solution, a fan is first used to blow away the precious metal powder. Due to the different qualities of dust and precious metal powder, the two will be dispersed in the air, and then the dust is sprayed by the spray assembly to make it fall into the filter screen. Compared with the method of directly pouring precious metal powder into water in the prior art, this solution ensures that the precious metal powder is in a relatively dispersed state when it comes into contact with water, which greatly reduces the situation where the precious metal powder and dust impurities stick together, thereby improving the filtering effect of the precious metal powder and creating better prerequisites for the subsequent precious metal powder purification process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the precious metal powder recovery and filtration device provided by the utility model;

[0027] Figure 2 This is a schematic cross-sectional view of an embodiment of a precious metal powder recovery and filtration device provided by the present invention.

[0028] Description of Figure Numbers:

[0029] 1000. Recovery and filtration device for precious metal powder; 1. Spray chamber; 11. Inner cavity; 12. Feed port; 13. Fan; 14. Feed barrel; 2. Filter assembly; 21. Filter frame; 22. Filter screen; 23. Opening and closing door; 3. Spray assembly; 31. Spray head; 32. Spray guide plate; 321. Guide piece; 322. Fixing frame; 323. Connecting strip; 33. Water storage barrel; 4. Water storage tank.

[0030] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] In the prior art, the process of recovering and filtering precious metal powders is generally to directly pour them into water and filter them through a sieve. This filtering method may cause dust impurities to be adsorbed on the precious metal powders, resulting in poor filtering effect of the precious metal powders.

[0035] In order to solve this technical problem, the present invention provides a precious metal powder recovery and filtering device 1000 to improve the filtering effect of precious metal powder.

[0036] See also Figure 1 and Figure 2 The precious metal powder recovery and filtering device 1000 comprises:

[0037] The spray bin 1 is provided with an inner cavity 11, a feed port 12 is provided on the side wall of the spray bin 1, a fan 13 is provided on the side of the feed port 12 facing away from the spray bin 1, and the bottom of the spray bin 1 is open, and the precious metal powder is blown into the inner cavity 11 by the fan 13;

[0038] The filter assembly 2 includes a filter frame 21 and a filter screen 22. The filter frame 21 is arranged around the bottom opening of the spray chamber 1, and the filter screen 22 is arranged at the bottom of the filter frame 21;

[0039] The spray assembly 3 is located at the top of the inner cavity 11 and is used to spray water downward to wet the blown precious metal powder so that the precious metal powder falls toward the filter 22 .

[0040] The precious metal powder recovery and filtration device 1000 in this solution includes a spray bin 1, a filter assembly 2, and a spray assembly 3. The filter assembly 2 is located at the bottom opening of the spray bin 1, and the spray assembly 3 is located within the inner cavity 11 of the spray bin 1. A feed port 12 is provided on the side wall of the spray bin 1. A fan 13 is provided on the side of the feed port 12 facing away from the spray bin 1. The fan 13 blows the precious metal powder from the feed port 12 into the inner cavity 11. The blown-up precious metal powder is then wetted by the spray assembly 3, causing it to fall into the filter assembly 2. In this solution, the fan 13 is first used to disperse the precious metal powder. Due to the different masses of dust and precious metal powder, the two are dispersed in the air. The dust is then sprayed by the spray assembly 3, causing it to fall into the filter 22. Compared with the existing method of directly pouring precious metal powder into water, this solution ensures that the precious metal powder is in a relatively dispersed state when it comes into contact with water, greatly reducing the situation where precious metal powder and dust impurities stick together, thereby improving the filtering effect of precious metal powder and creating better prerequisites for the subsequent precious metal powder purification process.

[0041] See also Figure 2 In one embodiment of the present invention, a feed barrel 14 is provided on the outer periphery of the feed port 12. The feed barrel 14 is in communication with the inner cavity 11. An opening is provided at the top of the feed barrel 14. A fan 13 is located on the side of the feed barrel 14 away from the spray chamber 1. Precious metal powder is fed into the top opening of the feed barrel 14. With this arrangement, when feeding, the precious metal powder is directly poured into the top opening of the feed barrel 14 at a certain rate and then blown into the inner cavity 11 of the spray chamber 1 by the fan 13, making feeding more convenient and quick.

[0042] See also Figure 2 In one embodiment of the present invention, the spray assembly 3 includes:

[0043] A plurality of spray heads 31 are provided at the top of the inner cavity 11;

[0044] The spray guide plate 32 is located below the spray head 31 and includes a plurality of guide members 321 arranged in a horizontal array. The water sprayed from the spray head 31 falls onto the guide members 321 . The guide members 321 are used to guide the water into droplets and then drip.

[0045] By setting the spray guide plate 32, the water sprayed from the spray head 31 passes through the spray guide plate 32 and flows down, turning the sprayed water into drops of water. The water droplets have a better adsorption effect on the precious metal powder, ensuring that the blown precious metal powder will be wetted and fall, avoiding the precious metal powder from being blown to the inner wall of the spray bin 1.

[0046] In this embodiment, the spray guide plate 32 further includes:

[0047] A fixing frame 322 , the fixing frame 322 is fixed to the inner wall of the inner cavity 11 ;

[0048] A plurality of connecting bars 323 are provided on the inner side of the fixing frame 322 and are evenly spaced. By providing the fixing frame 322 and the connecting bars 323, the guide member 321 is fixed and the stability of the guide member 321 is improved.

[0049] In this embodiment, both the top and bottom of the guide member 321 are tapered. With this arrangement, when water falls onto the top of the guide member 321, it flows along the tapered edge of the top of the guide member 321 toward the sidewalls of the guide member 321, and then along the sidewalls toward the tapered bottom of the guide member 321, condensing to form water droplets at the bottom of the guide member 321.

[0050] See also Figure 2 In one embodiment of the present invention, an opening is formed in the side wall of the filter frame 21, and an opening and closing door 23 is provided in the opening of the filter frame 21. With this arrangement, after a period of filtration, the opening and closing door 23 can be opened to remove the precious metal powder from the filter screen 22, making the operation convenient. In this embodiment, the opening and closing door 23 can be a push-pull type or a rotating hinge type.

[0051] See also Figure 2 In one embodiment of the present invention, a water storage tank 4 is provided at the bottom of the filter assembly 2, and the water storage tank 4 is connected to the filter frame 21. The water storage tank 4 can save water resources and facilitate the reuse of water resources.

[0052] In this embodiment, the spray assembly 3 further includes:

[0053] The water storage barrel 33 is located at the top of the spray chamber 1, and the spray head 31 is connected to the water storage barrel 33, and the water storage barrel 33 supplies water to the spray head 31;

[0054] The water pump is located in the water storage bin 4 , and the water pump pumps the water in the water storage bin 4 into the water storage barrel 33 .

[0055] By setting up a water pump, the water in the water storage tank 4 is pumped into the water storage barrel 33 through a pipeline, so that the water for spraying can be recycled.

[0056] In this embodiment, a filter element is installed within the water storage tank 33 to filter impurities from the water. After the water pump pumps water from the water storage tank 4 into the water storage tank 33, it is filtered by the filter element within the water storage tank 33 before being sprayed out through the spray head 31. This ensures that the water sprayed out by the spray head 31 remains pure and prevents excessive impurities from clogging the spray head 31 and the piping. Furthermore, after the precious metal powder is adsorbed, the dust and impurity content remains normal, ensuring a normal filtration process.

[0057] See also Figure 2 In one embodiment of the present invention, the cross-sectional area of ​​the sidewalls of the spray chamber 1 gradually decreases from top to bottom. This configuration reduces the cross-sectional area of ​​the filter frame 21, making it easier to collect the filtered precious metal powder on the filter screen 22. Furthermore, due to the smaller diameter of the inner cavity 11, the flow rate per unit area at the filter screen 22 increases, making it easier to collect the precious metal powder.

[0058] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A precious metal powder recovery and filtration device, characterized in that: The precious metal powder recovery and filtering device comprises: A spray chamber, wherein the spray chamber has an inner cavity, a feed port is provided on a side wall of the spray chamber, a fan is provided on the side of the feed port facing away from the spray chamber, and the bottom of the spray chamber is open, and the precious metal powder is blown into the inner cavity by the fan; A filter assembly, comprising a filter frame and a filter screen, wherein the filter frame is arranged around the bottom opening of the spray bin, and the filter screen is arranged at the bottom of the filter frame; A spray assembly is located at the top of the inner cavity and is used for spraying water downward to wet the blown precious metal powder so that the precious metal powder falls toward the filter.

2. The precious metal powder recovery and filtration device according to claim 1, characterized in that: A feed barrel is provided on the outer periphery of the feed port, the feed barrel is connected to the inner cavity, an opening is opened on the top of the feed barrel, the fan is located on the side of the feed barrel away from the spray bin, and the precious metal powder is added from the top opening of the feed barrel.

3. The precious metal powder recovery and filtration device according to claim 1, characterized in that: The spray assembly comprises: A plurality of spray heads, each of which is disposed at the top of the inner cavity; A spray guide plate is located below the spray head. The spray guide plate includes a plurality of guide members arranged in a horizontal array. The water sprayed from the spray head falls toward the guide members. The guide members are used to guide the water into droplets and then drip.

4. The precious metal powder recovery and filtration device according to claim 3, characterized in that: The spray guide plate also includes: a fixing frame, the fixing frame being fixed to the inner wall of the inner cavity; A plurality of connecting bars are arranged on the inner side of the fixing frame, and the connecting bars are evenly spaced.

5. The precious metal powder recovery and filtration device according to claim 3, characterized in that: The top and bottom of the flow guide are both conical.

6. The precious metal powder recovery and filtration device according to claim 1, characterized in that: The side wall of the filter frame is provided with an opening, and an opening and closing door is provided at the opening of the side wall of the filter frame.

7. The precious metal powder recovery and filtration device according to claim 3, characterized in that: A water storage bin is provided at the bottom of the filter assembly, and the water storage bin is connected to the filter frame.

8. The precious metal powder recovery and filtration device according to claim 7, characterized in that: The spray assembly also includes: A water storage barrel, the water storage barrel is located on the top of the spray bin, the spray head is connected to the water storage barrel, and the water storage barrel supplies water to the spray head; A water pump is located in the water storage bin and pumps the water in the water storage bin into the water storage barrel.

9. The precious metal powder recovery and filtration device according to claim 8, characterized in that: A filter element is provided in the water storage barrel, and the filter element is used for filtering impurities in the water.

10. The precious metal powder recovery and filtering device according to claim 1, characterized in that: The cross-sectional area of ​​the side wall of the spray bin gradually decreases from top to bottom.

Images