CN212820451U - Metal screening equipment for burned waste circuit boards - Google Patents
Metal screening equipment for burned waste circuit boards Download PDFInfo
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- CN212820451U CN212820451U CN202020978408.7U CN202020978408U CN212820451U CN 212820451 U CN212820451 U CN 212820451U CN 202020978408 U CN202020978408 U CN 202020978408U CN 212820451 U CN212820451 U CN 212820451U
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Abstract
The utility model discloses a metal screening installation after old and useless circuit board burns, including loading hopper, wind selector and flotation device, flotation device includes the casing, and the feed inlet correspondence is provided with down the flitch, is provided with high pressure nozzle directly over the flitch down, and the below that corresponds down the flitch in the casing is provided with the filter, the filter is provided with the filtration pore. Because the metal part has smaller particles and ash adhered to the surface of the metal part, the part of the ash needs to be removed, and through double screening and flotation, the metal part is completely immersed in water, the metal particles settle to the bottom in the water, and the ash part exists in the water in a floating or suspended state due to the lower density.
Description
Technical Field
The utility model belongs to the technical field of old and useless circuit board recycle, especially relate to old and useless circuit board burns back metal screening installation.
Background
Among various electronic wastes, the recovery of the PCB not only accounts for a huge share in quantity, but also contains huge metal resources, which are the most difficult to process. The types of the PCB are complex, the types of the PCB are various, and the content of various components and substances forming the PCB is greatly different, but the PCB can be roughly classified into three categories: a metal material: more than 90 percent of Cu and small amount of noble metals such as Ag, Pd, Au and the like; organic high polymers such as halogen-containing epoxy resins; and thirdly, ceramic and glass fiber with silicon and aluminum oxide as main components.
The current methods for PCB board processing can be divided into three categories: physical mechanical treatment, incineration treatment and pyrolysis treatment. In order to obtain metal components in the circuit board, the incineration method is the most ideal method, the nonmetal components in the circuit board are mainly resin and glass fiber, although the pyrolyzed resin can be utilized, the processing cost is far higher than the practical value, the recovered product is difficult to have high performance, although the incineration method cannot recover the resin part, most of metal can be recycled, and the recovery purity of the metal part can be improved. The conventional method is to burn the circuit board completely, convert part of the resin into ash, crush the ash primarily, and then wind-separate the ash, but the ash residue is still present after wind separation. Therefore, the utility model discloses the main problem of solving is because the burning method retrieves circuit board metal part, the not high problem of gained metal part purity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a metal screening installation after old and useless circuit board burns, the main problem of solving is because burn the method and retrieve circuit board metal part, the not high problem of gained metal part purity.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
metal screening equipment for burned waste circuit boards
Comprises a charging hopper, a winnowing device and a flotation device;
the air separation device comprises an air separation chamber, an air outlet is formed in one side of the air separation chamber, a fan is arranged on the other side, corresponding to the air outlet, of the air separation chamber, the charging hopper is arranged right above the air separation chamber, and the lower portion of the air separation chamber is communicated with the upper portion of the flotation device;
the flotation device comprises a shell, wherein a feed inlet communicated with the winnowing device is formed in the upper portion of the shell, a blanking plate is correspondingly arranged on the feed inlet, the blanking plate inclines downwards, a high-pressure spray head is arranged right above the blanking plate, the high-pressure spray head is connected with a water inlet pipe, and the water inlet pipe is connected with a water pump in series;
the filter is arranged below the corresponding blanking plate in the shell, the filter is provided with filter holes, and the side wall of the shell is provided with a water outlet pipe between the corresponding blanking plate and the filter.
Further, old and useless circuit board burns back metal screening installation, be provided with first crushing roller and second crushing roller in the loading hopper, the loading hopper side is provided with the motor of the first crushing roller of drive, first crushing roller and second crushing roller set up relatively and interlock each other.
Furthermore, the waste circuit board is burned and then metal screening equipment is adopted, and a vibrating screen is arranged between the feeding hopper and the air separation chamber.
Furthermore, the waste circuit board burns back metal screening installation, the below of flitch still is provided with the drainage plate down, the drainage plate downward sloping, the drainage plate is provided with a plurality of through holes.
Furthermore, the waste circuit board burns back metal screening installation, the lateral wall of casing corresponds the position of outlet pipe and is provided with the water tank, set up the filter layer in the water tank.
The utility model discloses following beneficial effect has:
because the metal part has smaller particles and ash adhered to the surface of the metal part, the part of the ash needs to be removed, and the metal part is completely immersed in water through double screening and flotation, the metal particles are settled to the bottom in the water, and the ash part is in a floating or suspended state in the water due to the lower density. Moreover, in order to improve the separation effect between the metal powder and the ash, a high-pressure spray head is arranged above the lower material plate, and the water flow impacting at high speed has a cleaning effect on the surface of the metal powder, so that the separation of the metal powder and the ash is improved.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the utility model discloses the schematic structure.
In the drawings, the components represented by the respective reference numerals are listed below:
the air separation device comprises a charging hopper 1, an air separation device 2, a flotation device 3, an air separation chamber 21, an air outlet 22, a fan 23, a shell 31, a feeding hole 32, a blanking plate 33, a high-pressure spray head 4, a water inlet pipe 42, a water pump 41, a filter plate 34, a filter hole 35, a water outlet pipe 38, a first crushing roller 11, a second crushing roller 12, a motor 13, a vibrating screen 14, a flow guide plate 36, a through hole 37, a water tank 5 and a filter layer 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1: metal screening equipment for burned waste circuit boards
Comprises a charging hopper 1, a winnowing device 2 and a flotation device 3;
the air separation device 2 comprises an air separation chamber 21, an air outlet 22 is formed in one side of the air separation chamber 21, a fan 23 is arranged on the other side, corresponding to the air outlet 22, of the air separation chamber 21, the hopper 1 is arranged right above the air separation chamber 21, and the lower portion of the air separation chamber 21 is communicated with the upper portion of the flotation device 3;
the flotation device 3 comprises a shell 31, wherein a feed inlet 32 communicated with the winnowing device 2 is formed in the upper portion of the shell 31, a blanking plate 33 is correspondingly arranged on the feed inlet 32, the blanking plate 33 inclines downwards, a high-pressure spray head 4 is arranged right above the blanking plate 33, the high-pressure spray head 4 is connected with a water inlet pipe 42, and the water inlet pipe 42 is connected with a water pump 41 in series;
a filter plate 34 is arranged in the shell 31 below the blanking plate 33, the filter plate 34 is provided with filter holes 35, and a water outlet pipe 38 is arranged between the shell 31 side wall and the filter plate 34 corresponding to the blanking plate 33.
The utility model discloses in burn the circuit board that the method will be smashed into the powder and burn to ashes, contain metal powder or granule in the ashes, all the other resin parts that are carbonization, the weight of this part is less than the metal part, utilizes the mode of selection by winnowing to carry out simple screening earlier, utilizes gravity to subside the metal part, and most ashes part is taken away to the wind.
Because the metal part has smaller particles and ash adhered to the surface of the metal part, the part of the ash needs to be removed, and the metal part is completely immersed in water through double screening and flotation, the metal particles are settled to the bottom in the water, and the ash part is in a floating or suspended state in the water due to the lower density. Moreover, in order to improve the separation effect between the metal powder and the ash, a high-pressure spray head is arranged above the lower material plate, and the water flow impacting at high speed has a cleaning effect on the surface of the metal powder, so that the separation of the metal powder and the ash is improved.
Because the shell is continuously added with new water, the water outlet pipe is arranged for balancing the water flow effect, and the water with ash is discharged. When the water layer in the shell is kept balanced by the drainage of the water outlet pipe, the metal powder leaks to the position below the filter plate under the action of the filter holes, so that the metal powder cannot be disturbed by water flow and discharged together with flowing water when the water outlet pipe drains, and the metal part is continuously accumulated below the filter plate and then is uniformly recovered.
As shown in fig. 1: be provided with first crushing roller 11 and second crushing roller 12 in the loading hopper 1, loading hopper 1 side is provided with the motor 13 of the first crushing roller 11 of drive, first crushing roller 11 and second crushing roller 12 set up relatively and interlock each other.
Since the burned ashes are bonded together to form blocks as the resin is melted during burning, the block structure is loose and brittle, but the block structure is simply broken, and the metal portion included in the block structure is exposed.
As shown in fig. 1: a vibrating screen 14 is arranged between the charging hopper 1 and the winnowing chamber 21. The dust filter is used for filtering dust meeting the particle size, and has the function of uniform distribution, so that the mixed dust can fall uniformly in a large range, and the accuracy of winnowing is facilitated.
As shown in fig. 1: the lower part of the blanking plate 33 is also provided with a drainage plate 36, the drainage plate 36 inclines downwards, and the drainage plate 36 is provided with a plurality of through holes 37. The drainage plate is used for reducing the velocity of flow of flowing water, prevents that rivers from leading to the water layer to appear the vortex to the impact on water layer, and the vortex is great probably to lead to the metal powder to turn over to stir, influences the accuracy of appearing.
As shown in fig. 1: the side wall of the shell 31 is provided with a water tank 5 at a position corresponding to the water outlet pipe 38, and a filter layer 51 is arranged in the water tank 5. The water outlet pipe is used for balancing the water quantity in the shell, meanwhile, the water discharged by the water outlet pipe contains an ash part, the ash part in the water is filtered by the filtering layer, and the part of filtered water can be reused.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. Old and useless circuit board burns back metal screening installation, its characterized in that:
comprises a charging hopper (1), an air separation device (2) and a flotation device (3);
the air separation device (2) comprises an air separation chamber (21), an air outlet (22) is formed in one side of the air separation chamber (21), a fan (23) is arranged on the other side, corresponding to the air outlet (22), of the air separation chamber (21), the charging hopper (1) is arranged right above the air separation chamber (21), and the lower portion of the air separation chamber (21) is communicated with the upper portion of the flotation device (3);
the flotation device (3) comprises a shell (31), a feed inlet (32) communicated with the air separation device (2) is formed in the upper portion of the shell (31), a blanking plate (33) is correspondingly arranged on the feed inlet (32), the blanking plate (33) inclines downwards, a high-pressure spray head (4) is arranged right above the blanking plate (33), the high-pressure spray head (4) is connected with a water inlet pipe (42), and the water inlet pipe (42) is connected with a water pump (41) in series;
the filter plate (34) is arranged below the corresponding blanking plate (33) in the shell (31), the filter plate (34) is provided with filter holes (35), and the side wall of the shell (31) is provided with a water outlet pipe (38) between the corresponding blanking plate (33) and the filter plate (34).
2. The waste circuit board burned metal screening apparatus of claim 1, wherein: be provided with first crushing roller (11) and second crushing roller (12) in loading hopper (1), loading hopper (1) side is provided with motor (13) of the first crushing roller of drive (11), first crushing roller (11) and second crushing roller (12) set up relatively and interlock each other.
3. The waste circuit board burned metal screening apparatus of claim 1, wherein: a vibrating screen (14) is arranged between the charging hopper (1) and the winnowing chamber (21).
4. The waste circuit board burned metal screening apparatus of claim 1, wherein: the lower material discharging plate (33) is further provided with a drainage plate (36), the drainage plate (36) inclines downwards, and the drainage plate (36) is provided with a plurality of through holes (37).
5. The waste circuit board burned metal screening apparatus of claim 1, wherein: the water tank (5) is arranged on the side wall of the shell (31) corresponding to the position of the water outlet pipe (38), and the filtering layer (51) is arranged in the water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978408.7U CN212820451U (en) | 2020-06-01 | 2020-06-01 | Metal screening equipment for burned waste circuit boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978408.7U CN212820451U (en) | 2020-06-01 | 2020-06-01 | Metal screening equipment for burned waste circuit boards |
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| Publication Number | Publication Date |
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| CN212820451U true CN212820451U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020978408.7U Active CN212820451U (en) | 2020-06-01 | 2020-06-01 | Metal screening equipment for burned waste circuit boards |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571541A (en) * | 2023-03-29 | 2023-08-11 | 安徽润业再生资源利用有限公司 | Waste steel shredding and packing device based on resource regeneration |
-
2020
- 2020-06-01 CN CN202020978408.7U patent/CN212820451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571541A (en) * | 2023-03-29 | 2023-08-11 | 安徽润业再生资源利用有限公司 | Waste steel shredding and packing device based on resource regeneration |
| CN116571541B (en) * | 2023-03-29 | 2023-12-19 | 安徽润业再生资源利用有限公司 | Waste steel shredding and packing device based on resource regeneration |
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