CN215743997U - Pretreatment device for electronic garbage - Google Patents
Pretreatment device for electronic garbage Download PDFInfo
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- CN215743997U CN215743997U CN202121829224.5U CN202121829224U CN215743997U CN 215743997 U CN215743997 U CN 215743997U CN 202121829224 U CN202121829224 U CN 202121829224U CN 215743997 U CN215743997 U CN 215743997U
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Abstract
The utility model relates to a pretreatment device of electronic garbage, which comprises a feed inlet, a crushing system, a grinding system, a separating system and a dust collecting system, wherein the crushing system, the grinding system, the separating system and the dust collecting system are sequentially arranged behind the feed inlet; the crushing system is used for coarsely crushing the electronic waste through shearing; the grinding system is used for grinding the electronic waste after the coarse powder is crushed by the crushing system through grinding; the separation system is used for separating metal and nonmetal from the electronic waste after the fine powder of the grinding system is ground; the dust collecting system is used for collecting dust discharged by the crushing system, the grinding system and the separating system; the grinding and separating functions can be realized by a physical method, and the pretreatment of the electronic garbage is realized; the cleanness and the resource utilization of the whole process of the electronic waste pretreatment can be ensured; the economy and the practicability can be ensured; the electronic garbage material can be dissociated in the crushing and grinding stage, and effective screening in the subsequent sorting stage is guaranteed.
Description
Technical Field
The utility model relates to the electronic product treatment technology, in particular to an electronic waste pretreatment device for pretreating electronic wastes of various waste computers, communication equipment, household appliances and the like, obsolete precise electronic instruments and meters and the like.
Background
In the global manufacturing industry, electrical appliances and electronic products are one of the fastest growing production lines. Meanwhile, due to the innovation of the technology and the stimulation of the market, the elimination speed is very high. The large amount of electronic garbage is generated, which poses serious threat to environment and human health.
At present, the problem of the pollution of the electronic waste which is increasingly serious has attracted the attention of the whole world, and a series of relevant regulations are established for the treatment of the electronic waste in many countries. The global market generates tens of millions of tons of electronic garbage every year, the generation amount of the electronic garbage in China is in the front of the world, the metal and nonmetal values contained in the waste electronic products are high, and some valuable and reusable secondary limited resources can be obtained from waste electrical and electronic equipment. Under the condition that the primary mineral resources are increasingly insufficient, the electronic waste is recycled and reused, and the method has important significance in various aspects such as resource saving, valuable metal and nonmetal recycling, waste treatment and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide an electronic waste pretreatment device that can perform grinding and separating functions by a physical method.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the pretreatment device for the electronic garbage comprises a feed inlet, and a crushing system, a grinding system, a separating system and a dust collecting system which are sequentially arranged behind the feed inlet; the crushing system is used for coarsely crushing the electronic waste through shearing; the grinding system is used for grinding the electronic waste after the coarse powder of the crushing system is crushed through grinding fine powder; the separation system is used for separating metal and nonmetal from the electronic waste after the fine powder of the grinding system is ground; the dust collecting system is used for collecting dust discharged by the crushing system, the grinding system and the separating system.
Preferably, the crushing system comprises a first infeed conveyor, a crusher, a first separator, and a first outfeed conveyor; the feeding side of the crusher is connected with the first feeding conveyor, and the discharging side of the crusher is connected with the first discharging conveyor;
the grinding system comprises a second in-feed conveyor, a grinding mill, a second separator, and a second out-feed conveyor; the feed side of the grinding mill is connected with the second feed conveyor, and the discharge side of the grinding mill is connected with the second discharge conveyor;
the separation system comprises a third feeding conveyor and a sorting machine, and the feeding side of the sorting machine is connected with the third feeding conveyor;
the dust collecting system comprises a dust collecting dust remover, and an air inlet pipe of the dust collecting dust remover is connected with an air outlet of the first separator, an air outlet of the second separator and an air outlet of the separating system.
Preferably, the first discharging conveyor is connected with the feeding port of the first vibrating feeder, and the discharging port of the first vibrating feeder is connected with the feeding side of the grinding mill; the second discharging conveyor is connected with the feeding port of the second vibrating feeder, and the discharging port of the second vibrating feeder is connected with the feeding side of the sorting machine.
Preferably, the two discharge ports of the sorting machine are respectively connected with the metal collector and the nonmetal collector.
Preferably, the first feeding conveyor, the first discharging conveyor, the second feeding conveyor, the second discharging conveyor and the third feeding conveyor are belt conveyors.
Preferably, the first discharging conveyor and the second discharging conveyor are both screw conveyors.
Preferably, the first separator and the second separator are cyclones.
Preferably, the feeding port is a discharging port arranged on the feeding hopper.
Preferably, the device further comprises a modified asphalt preparation system, the modified asphalt preparation system comprises a fourth feeding conveyor, a slurry mixing tank, a high-speed shearing machine and a storage tank, a discharge port of the non-metal collector is connected with the fourth feeding conveyor, the fourth feeding conveyor conveys non-metal materials in the non-metal collector to the slurry mixing tank, the slurry mixing tank is provided with a liquid asphalt input port, liquid asphalt is injected into the slurry mixing tank, and the slurry mixing tank is used for stirring the liquid asphalt and the non-metal materials; the discharge side of the slurry mixing tank is connected with the feed side of the high-speed shearing machine, the discharge side of the high-speed shearing machine is connected with the feed side of the storage tank, the high-speed shearing machine is used for further grinding input materials, and the storage tank is used for storing finished product materials.
Due to the adoption of the technical scheme, the utility model has the following advantages: 1. the pretreatment device for the electronic garbage can realize the grinding and separating functions through a physical method, and realize the pretreatment of the electronic garbage; 2. The pretreatment device for the electronic garbage can ensure the cleanness and the resource of the whole pretreatment process of the electronic garbage; 3. the pretreatment device for the electronic garbage can ensure the economy and the practicability of the whole device; 4. the pretreatment device for the electronic garbage can enable the electronic garbage to be dissociated in the crushing and grinding stage, and ensures that the electronic garbage can be effectively screened out in the subsequent sorting stage.
Drawings
FIG. 1 is a schematic structural diagram of an electronic waste pretreatment apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the crushing system of this embodiment;
fig. 3 is a schematic configuration diagram of the grinding system of this embodiment;
FIG. 4 is a schematic structural view of a modified asphalt producing system of this embodiment;
FIG. 5 is a schematic structural view of the separation system of this embodiment;
FIG. 6 is a flowchart of the electronic waste pretreatment apparatus according to the present invention.
The various reference numbers in the figures: 1 is a feed hopper, 2 is a first feeding conveyor, 3 is a crusher, 4 is a first separator, 5 is a first discharging conveyor, 6 is a first vibrating feeder, 7 is a second feeding conveyor, 8 is a grinder, 9 is a second separator, 10 is a second discharging conveyor, 11 is a second vibrating feeder, 12 is a third feeding conveyor, 13 is a separator, 14 is a metal collector, 15 is a non-metal collector, 16 is a fourth feeding conveyor, 17 is a slurrying tank, 18 is a high-speed shearing machine, and 19 is a storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The electronic waste pretreatment device provided by the utility model is used for pretreatment of various waste computers, communication equipment, household appliances and eliminated precise electronic instruments and other electronic wastes, is favorable for recycling valuable resources such as metal, nonmetal and the like contained in waste electronic products, improves the resource utilization rate, saves the resources and protects the environment.
The following describes an electronic waste pretreatment apparatus according to an embodiment of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, the pretreatment apparatus for electronic waste provided by this embodiment may include an apparatus body, and the apparatus body may be sequentially provided with a crushing system, a grinding system, a separation system, and a dust collecting system from top to bottom.
As shown in fig. 1 and 2, the crushing system may include a first feeding conveyor 2, a crusher 3, a first separator 4, and a first discharging conveyor 5, the first feeding conveyor 2 may be a belt conveyor, the first separator 4 may be a cyclone separator, the first discharging conveyor 5 may be a discharging screw conveyor, a feeding side of the crusher 3 is connected to a discharging side of the first feeding conveyor 2, an exhaust duct of the crusher 3 is connected to an inlet of the first separator 4, gas discharged from the crusher 3 and material carried out are separated by the first separator 4, the crusher 3 crushes the material into small pieces of material to form coarse material, and the first separator 4 is used for separating the material carried out from the gas discharged from the crusher 3; a discharge port of the crusher 3 is connected with an input port of the first discharging conveyor 5; one side of the first vibrating feeder 6 is connected with a first discharging conveyor 5 of the crusher 3, the other side of the first vibrating feeder 6 is connected with a second feeding conveyor 7, and the second feeding conveyor 7 can be a belt conveyor;
as shown in fig. 3, the grinding system comprises a first vibrating feeder 6, a second feeding conveyor 7, a grinding mill 8, a second separator 9 and a second discharging conveyor 10, the second separator 9 can be a cyclone separator, the second discharging conveyor 10 can be a discharging screw conveyor, the feeding side of the second feeding conveyor 7 is connected with the discharging side of the crusher 3 through the first vibrating feeder 6, the discharging side of the second feeding conveyor 7 is connected with the feeding side of the grinding mill 8, the exhaust pipeline of the grinding mill 8 is connected with the inlet of the second separator 9, the grinding mill 8 further grinds and granulates the materials, the second separator 9 is used for separating the materials carried out in the gas discharged by the grinding mill 8, and the discharging side of the grinding mill 8 is connected with the feeding side of the second discharging conveyor 10;
as shown in fig. 4, the separation system includes a second vibratory feeder 11, a third feeding conveyor 12, and a classifier 13, the third feeding conveyor 12 may be a belt conveyor, and the classifier 13 may be an electrostatic classifier; the feeding side of a third feeding conveyor 12 is connected with the discharging side of the second vibrating feeder 11, the discharging side of the third feeding conveyor 12 is connected with the feeding side of a sorting machine 13, the sorting machine 13 is provided with a metal outlet and a nonmetal outlet, the metal outlet is connected with a metal collector 14, and the nonmetal outlet is connected with a nonmetal collector 15; the sorted metal enters a metal collector 14 and the non-metal enters a non-metal collector 15.
As shown in fig. 5, the apparatus further includes a modified asphalt preparation system, the modified asphalt preparation system includes a fourth feeding conveyor 16, a size mixing tank 17, a high-speed shearing machine 18 and a storage tank 19, a discharge port of the non-metal collector 15 is connected to the fourth feeding conveyor 16, the fourth feeding conveyor 16 conveys the non-metal materials in the non-metal collector 15 to the size mixing tank 17, the size mixing tank 17 is provided with a liquid asphalt input port, liquid asphalt is injected into the size mixing tank 17, and the size mixing tank 17 is used for stirring the liquid asphalt and the non-metal materials; the discharge side of the slurry mixing tank 17 is connected with the feed side of the high-speed shearing machine 18, the discharge side of the high-speed shearing machine 18 is connected with the feed side of the storage tank 19, the high-speed shearing machine 18 is used for further grinding input materials, and the storage tank 19 is used for storing finished product materials; the modified asphalt preparation system utilizes nonmetal to prepare modified asphalt.
The dust collecting system comprises a dust collecting and removing device, and an air inlet pipe of the dust collecting and removing device is connected with an air outlet of the first separator 4 of the crushing system, an air outlet of the second separator 9 of the grinding system and an air outlet of the separating system.
As shown in fig. 5, in the pretreatment device for electronic waste provided by this embodiment, when in operation, the automatically detached electronic waste enters the crusher 3 through the feeding opening of the feeding hopper 1 and the first feeding conveyor 2. The crushing system of the pretreatment device for electronic waste of the embodiment is two-stage crushing, the first stage is coarse powder crushing, the used equipment is a shear type rotary crusher, the second stage is fine powder grinding, and the used equipment is an impact type grinding machine. One side of the shear type rotary crusher is connected with the first feeding conveyor 2, one side of the first vibrating feeder 6 is connected with the first discharging conveyor 5 of the crusher 3, and the other side of the first vibrating feeder is connected with the second feeding conveyor 7; the grinding mill 8 is connected on one side to a second in-feed conveyor 7 and on the other side to a second out-feed conveyor 10. The sorter 13 is an electrostatic sorter, the sorter 13 is connected to the third feed conveyor 12, sorted metal enters the metal collector 14, and non-metal enters the non-metal collector 15.
One side of equipment body is provided with bag type dust collector and exhaust-gas treatment ware, and the top of equipment body is equipped with the feeder hopper, and the inner wall facing of feeder hopper is equipped with the wearing layer, this wearing layer with feeder hopper inner wall releasable connection. Partial plastics can be selected by electronic waste after artifical split through air classification system, and electronic waste gets into shear type rotary crusher 3 through first feeding conveyor 2 and carries out the breakage, and broken fritter material passes through 3 discharge gates of breaker and is carried out the breakage by first discharge conveyor 5 to first vibrating feeder 6, and the powder collector is got into after the separation of 3 combustion gas of breaker, the material of taking out through whirlwind first separator 4, and the material that obtains after the one-level breakage is the coarse fodder. The coarse material enters an impact crushing type grinding mill 8 through a second feeding conveyor 7 for grinding and granulation, gas discharged by the grinding mill 8 and materials carried out are separated by a cyclone type second separator 9 and then enter a powder collector, and the fine material is obtained after secondary grinding. The fine materials enter the second vibrating feeder 11 from the second discharging conveyor 10 and then enter the third feeding conveyor, metal mixtures and nonmetal mixtures are separated through an electrostatic separator 13, the separated metal mixtures enter a metal collector 14, and the rest parts enter a nonmetal collector 15. Heating the matrix asphalt to 160-180 ℃ to obtain liquid asphalt, sending the liquid asphalt into a slurry mixing tank 17, stirring in the slurry mixing tank 17, adding the nonmetal materials into the slurry mixing tank 17 through a fourth feeding conveyor 16 for asphalt modification in the stirring process, sending the mixture into a high-speed shearing machine 18 for mixing and stirring for 20-30 minutes, then carrying out grinding circulation, outputting a finished product by the high-speed shearing machine 18, and inputting the finished product into a storage tank 19 for storage.
The air discharged by the cyclone type first separator 4 in the crushing system, the air discharged by the cyclone type second separator 9 in the grinding system and the air discharged by the separating system enter the dust collecting and removing device through air pipes to be treated and discharged after reaching the standard, the dust generated in the process is collected to a powder collector, and the whole treatment process hardly generates secondary pollution; waste gas and dust generated by the crushing system, the grinding system, the separating system and the modified asphalt preparation system enter the dust remover through pipelines to be treated and discharged after reaching the standard.
According to the pretreatment device for the electronic garbage, a shear type crusher is selected during primary crushing in a crushing system, the shear type crusher can disassemble large solid wastes into fragments with the size of less than 100mm, and the pretreatment device has the characteristics of low rotating speed of a cutter shaft, high efficiency, energy conservation, low noise, large crushing ratio, large discharge granularity, good crushing effect on tough materials and the like; the secondary crushing of the crushing system adopts a high-speed mechanical impact type grinding mill, and the product fineness is within the range of 10-1000 um. The device can select a vertical mechanical impact grinder, and has the advantages of large specific power grinding ratio, easy adjustment of grinding granularity, wide application range, small mechanical installation occupied area, continuous closed-circuit grinding and the like.
The electrostatic separator 13 used in the separation system is suitable for separating and separating various dry metal and nonmetal mixtures, and the granularity of materials suitable for processing is within the range of 0.04-1 mm. The reason for selecting an electrostatic classifier instead of an eddy current classifier for its classification system is: eddy current sorters are not suitable for sorting smaller particles, while electrostatic sorters are often used for fine sorting of smaller particles, and eddy current sorters are not capable of feeding iron, which could cause damage to the machine.
The pretreatment device for electronic waste provided by the embodiment is used for pretreatment of electronic waste, can lay a good foundation for fine treatment of electronic waste in the next step, and realizes cleanness, reduction and recycling of the pretreatment of electronic waste.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The pretreatment device for the electronic garbage comprises a feed inlet, and is characterized in that a crushing system, a grinding system, a separation system and a dust collecting system are sequentially arranged behind the feed inlet; the crushing system is used for coarsely crushing the electronic waste through shearing; the grinding system is used for grinding the electronic waste after the coarse powder of the crushing system is crushed through grinding fine powder; the separation system is used for separating metal and nonmetal from the electronic waste after the fine powder of the grinding system is ground; the dust collecting system is used for collecting dust discharged by the crushing system, the grinding system and the separating system.
2. The apparatus of claim 1, wherein the crushing system comprises a first feeding conveyor, a crusher, a first separator, and a first discharging conveyor; the feeding side of the crusher is connected with the first feeding conveyor, and the discharging side of the crusher is connected with the first discharging conveyor;
the grinding system comprises a second in-feed conveyor, a grinding mill, a second separator, and a second out-feed conveyor; the feed side of the grinding mill is connected with the second feed conveyor, and the discharge side of the grinding mill is connected with the second discharge conveyor;
the separation system comprises a third feeding conveyor and a sorting machine, and the feeding side of the sorting machine is connected with the third feeding conveyor;
the dust collecting system comprises a dust collecting dust remover, and an air inlet pipe of the dust collecting dust remover is connected with an air outlet of the first separator, an air outlet of the second separator and an air outlet of the separating system.
3. The pretreatment device of electronic waste according to claim 2, wherein the first discharge conveyor is connected to the feed inlet of the first vibratory feeder, and the discharge outlet of the first vibratory feeder is connected to the feed side of the grinder; the second discharging conveyor is connected with the feeding port of the second vibrating feeder, and the discharging port of the second vibrating feeder is connected with the feeding side of the sorting machine.
4. The pretreatment device of electronic refuse according to claim 2, wherein there are two discharge ports of the sorting machine, and the two discharge ports are respectively connected to the metal collector and the non-metal collector.
5. The apparatus of claim 2, wherein the first feeding conveyor, the first discharging conveyor, the second feeding conveyor, the second discharging conveyor and the third feeding conveyor are belt conveyors.
6. The apparatus of claim 2, wherein the first discharging conveyor and the second discharging conveyor are screw conveyors.
7. The apparatus of claim 2, wherein the first separator and the second separator are cyclone separators.
8. The pretreatment device of electronic waste according to claim 1, wherein the feed inlet is a discharge outlet provided on the feed hopper.
9. The pretreatment apparatus for electronic waste according to claim 1, further comprising a modified asphalt preparation system, wherein the modified asphalt preparation system comprises a fourth feeding conveyor, a slurry mixing tank, a high-speed shearing machine and a storage tank, a discharge port of the non-metal collector is connected to the fourth feeding conveyor, the fourth feeding conveyor conveys the non-metal materials in the non-metal collector to the slurry mixing tank, the slurry mixing tank is provided with a liquid asphalt input port, liquid asphalt is injected into the slurry mixing tank, and the slurry mixing tank is used for mixing the liquid asphalt and the non-metal materials; the discharge side of the slurry mixing tank is connected with the feed side of the high-speed shearing machine, the discharge side of the high-speed shearing machine is connected with the feed side of the storage tank, the high-speed shearing machine is used for further grinding input materials, and the storage tank is used for storing finished product materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829224.5U CN215743997U (en) | 2021-08-06 | 2021-08-06 | Pretreatment device for electronic garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829224.5U CN215743997U (en) | 2021-08-06 | 2021-08-06 | Pretreatment device for electronic garbage |
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| Publication Number | Publication Date |
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| CN215743997U true CN215743997U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121829224.5U Active CN215743997U (en) | 2021-08-06 | 2021-08-06 | Pretreatment device for electronic garbage |
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| CN (1) | CN215743997U (en) |
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2021
- 2021-08-06 CN CN202121829224.5U patent/CN215743997U/en active Active
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