CN212916513U - Particle grading device and non-ferrous metal sorting equipment - Google Patents
Particle grading device and non-ferrous metal sorting equipment Download PDFInfo
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- CN212916513U CN212916513U CN202021678706.0U CN202021678706U CN212916513U CN 212916513 U CN212916513 U CN 212916513U CN 202021678706 U CN202021678706 U CN 202021678706U CN 212916513 U CN212916513 U CN 212916513U
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Abstract
The utility model is suitable for an environmental protection technology field provides a particle grading plant and non ferrous metal sorting equipment, the particle grading plant includes: the skip screen comprises a driving assembly and a screen surface, wherein the screen surface is provided with at least one screening area, and the driving assembly drives the screen surface to vibrate at high frequency for conveying and screening; wherein, the sieving area and the lower part of the flowing tail end of the sieving surface are provided with discharge holes, and the sieving aperture of the sieving area in the material flowing direction is gradually increased. The conveying and particle grading of the incineration waste are carried out by realizing high-frequency oscillation of the porous screen surface through the skip-in screen, the integral arrangement of conveying and separation is realized, the device is simplified, the particle grading is carried out through a plurality of screening areas, the grading capability is strong, and the multi-stage separation is realized; the material is vibrated on the screen surface by jumping into the screen, so that the material can jump on the screen surface conveniently, the material can pass through the aperture conveniently, the screening capacity is improved, and the poor grading capacity caused by insufficient screening and conveying is avoided.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, especially, relate to a particle grading plant and non ferrous metal sorting facilities.
Background
At present, along with the enhancement management of reduction, harmlessness and reclamation of household garbage treatment by governments, the household garbage treatment becomes an important component of urban management and public service, and according to the situation of China and related technologies, the incineration power generation treatment of the household garbage undoubtedly becomes the best garbage treatment mode at present. The incineration slag is an inevitable by-product in the process of urban garbage incineration power generation, and because the slag contains a certain amount of metal substances such as iron, aluminum, copper, zinc, chromium and the like, the incineration slag has recycling value and can be developed and utilized as a resource. Iron is recovered by magnetic separation, precious metals are recovered by jigging or shaking tables, metal aluminum is recovered by eddy current separators, and the separated slag is used for making paving bricks. The existing separation equipment has poor classification capability, and the separation quality is poor.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a particle grading device aims at solving the poor problem of hierarchical ability.
The embodiment of the utility model provides a realize like this, a particle grading device, the particle grading device includes:
the skip screen comprises a driving assembly and a screen surface, wherein the screen surface is provided with at least one screening area, and the driving assembly drives the screen surface to vibrate at high frequency for conveying and screening;
wherein, the sieving area and the lower part of the flowing tail end of the sieving surface are provided with discharge holes, and the sieving aperture of the sieving area in the material flowing direction is gradually increased.
The embodiment of the utility model provides an in, carry the inside that enters into leaping into the sieve from the feed end that leaps into the sieve with rubbish after burning, under drive assembly's effect, sifting surface high-frequency vibration, rubbish after burning separates and conveys on the sifting surface, and the granule particle diameter that sieves out increases gradually to discharge from the discharge gate that corresponds, thereby realized the granule and classified. The conveying and particle grading of the incineration waste are carried out by realizing high-frequency oscillation of the porous screen surface through the skip-in screen, the integral arrangement of conveying and separation is realized, the device is simplified, the particle grading is carried out through a plurality of screening areas, the grading capability is strong, and the multi-stage separation is realized; the material is vibrated on the screen surface through the skip screen, so that the material can jump on the screen surface conveniently, the material can be contacted with the aperture on the screen surface in all directions conveniently, the material can pass through the aperture conveniently, the screening capacity is improved, and the poor grading capacity caused by insufficient screening conveying is avoided.
The embodiment of the utility model provides a non ferrous metal sorting facilities who still provides, include: an eddy current separator, and a particle classifying apparatus as described above; wherein, at least one screening area is provided with an eddy current separator for screening nonferrous metals.
The embodiment of the utility model provides a particle grading device, through the skip sieve realize porous screening surface high frequency oscillation burn the conveying and the particle grading of rubbish, realized conveying, separation integrative setting, make the device simplification, carry out the particle grading through having more screening regions, the classification ability is strong, has realized the multistage separation; the material is vibrated on the screen surface through the skip screen, so that the material can jump on the screen surface conveniently, the material can be contacted with the aperture on the screen surface in all directions conveniently, the material can pass through the aperture conveniently, the screening capacity is improved, and the poor grading capacity caused by insufficient screening conveying is avoided. The conveying is carried out through vibration, the conveying uniformity is good, the materials can be conveniently paved on the whole screen surface, and the screening efficiency is improved.
Drawings
Fig. 1 is a schematic front view of a particle classifying device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a sifter in a particle classifying device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first slit sieve plate in a particle classifying device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a square-hole screen in a particle classification device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of an eddy current separator in a non-ferrous metal separation apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an operating state of an eddy current separator in a non-ferrous metal separation device according to an embodiment of the present invention;
in the drawings: skip sieve 1, first discharge gate 2, second discharge gate 3, third discharge gate 4, fourth discharge gate 5, first sieve 6, second sieve 7, third sieve 8, frame 9, sieve strip 10, splice bar 11, conveyer belt 12, magnetic drum 13, slag notch 14, metal export 15, divide flitch 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1-2, a structure diagram of a particle classifying device according to an embodiment of the present invention includes:
the skip screen 1 comprises a driving assembly and a screen surface, wherein the screen surface is provided with at least one screening area, and the driving assembly drives the screen surface to vibrate at high frequency for conveying and screening; and discharge ports are arranged below the flowing tail ends of the sieving area and the sieving surface, and the sieving aperture of the sieving area is gradually increased in the material flowing direction.
The embodiment of the utility model provides an in, carry the inside that enters into leaping into the sieve from the feed end that leaps into the sieve with rubbish after burning, under drive assembly's effect, sifting surface high-frequency vibration, rubbish after burning separates and conveys on the sifting surface, and the granule particle diameter that sieves out increases gradually to discharge from the discharge gate that corresponds, thereby realized the granule and classified. The conveying and particle grading of the incineration waste are carried out by realizing high-frequency oscillation of the porous screen surface through the skip-in screen, the integral arrangement of conveying and separation is realized, the device is simplified, the particle grading is carried out through a plurality of screening areas, the grading capability is strong, and the multi-stage separation is realized; the material is vibrated on the screen surface through the skip screen, so that the material can jump on the screen surface conveniently, the material can be contacted with the aperture on the screen surface in all directions conveniently, the material can pass through the aperture conveniently, the screening capacity is improved, and the poor grading capacity caused by insufficient screening conveying is avoided.
The utility model discloses an in the example, the sifter can set up to slope structure or horizontal structure to rely on vibrational force or vibrational force and gravity cooperation to convey, convey through the vibration, the conveying homogeneity is good, and the material of being convenient for paves on whole sifter, has improved screening efficiency. The screening surface can be set up to the slot-shaped structure, the conveying of the material of being convenient for, drive assembly can be vibrating motor and rigid frame combination, and the rigidity transmission high frequency through rigid frame is to the vibration power of flow direction slope to form the vibration power to flow direction on the screening surface under the material, transmit with this. Other ways of transmitting vibrations are of course not excluded.
As an optimized embodiment of the utility model, the sifter includes first sieve 6, the three screening region of second sieve 7 and third sieve 8, first sieve 6, the below of second sieve 7 and third sieve 8 is to first discharge gate 2, second discharge gate 3 and third discharge gate 4, fourth discharge gate 5 sets up at the flow direction tip of leaping into sieve 1, rubbish after burning gets into from leaping into sieve 1 tip, little particulate matter material passes first sieve 6 and enters into the inside and the discharge of first discharge gate 2, second grade material passes second sieve 7 and enters into inside and the discharge of second discharge gate 3, tertiary material passes third sieve 8 and enters into inside and the discharge of third discharge gate 4, the material that can not pass the sifter is from leaping into sieve 1 end discharge and entering into the inside and the discharge of fourth discharge gate 5, thereby the multi-stage separation of granule has been realized.
As a preferred embodiment of the utility model, the first sieve 6 sieves aperture and is 1-3mm, preferably 2mm, and 0-2 mm's material passes through first sieve 6 and enters into the inside of first discharge gate 2 and thereby accomplishes the separation, contains a large amount of silt in the 0-2mm material, and does not have or has non ferrous metals such as aluminium at least, and the fine sand after dewatering screen dehydration is as the raw materials of preparation paving brick. The existing grading process equipment adopts a drum screen mode, and screen holes are extremely easy to block due to no vibration, so that the small-granularity screening cannot be carried out, and materials smaller than 8mm cannot be screened. Therefore, the silt and the nonferrous metal can not be distinguished, the paving brick made of the raw material containing the aluminum is an original brick which is exploded, the qualification rate of the brick is greatly reduced, and meanwhile, a large amount of nonferrous metal is lost in 0-8mm, so that huge waste is caused.
As shown in fig. 3, as a preferred embodiment of the present invention, the first screen deck 6 includes: the screen plate comprises a frame 9, screen plate strips 10 and connecting ribs 11, wherein the screen plate strips 10 are arranged in the same direction, and the frame 9 is connected to the end parts of the screen plate strips 10 and plays a supporting role; the individual screen bars 10 are connected by connecting ribs 11, the frame 9, the screen bars 10 and the connecting ribs 11 forming a slotted screen structure. The frame 9, the sieve plate strips 10 and the connecting ribs 11 are good in connection stability, strong in screening capacity and not prone to blocking. The screen bar 10 may be made of a white steel bar and the connection ribs 11 may be rib plates and welded to the frame 9.
As a preferred embodiment of the utility model, the sieve aperture of the second sieve plate 7 is 5-7mm, preferably 6mm, the material of 2-6mm passes through the second sieve plate 7 and enters the second discharge port 3 to complete the separation, the material of 2-6mm contains nonferrous metals such as aluminum, copper, etc., and then the nonferrous metals are sorted, the nonferrous metals are recycled, and the waste residue is used for manufacturing paving bricks; through separating this particle size interval, can furthest's separation out non ferrous metal, the non ferrous entering in the later stage of being convenient for is selected separately, and the material of this particle size interval can be selected separately through the sorter. The second screening deck 7 may be of similar construction to the first screening deck 6.
As an optimized embodiment of the utility model, the third sieve 8 sieve aperture is 25-35mm, preferably 30mm, thereby the separation is accomplished to the inside of third discharge gate 4 that passes through third sieve 8 to the material of 6-30mm, and 6-30 mm's material equally contains a large amount of non ferrous metals, can select separately through eddy current sorter, retrieves non ferrous metals such as aluminium, and the waste residue is used for making paving brick. The material larger than 30mm is discharged from the end part of the skip screen 1 and enters the inside of the fourth discharge hole 5, the material particles in the particle size range are large, a small amount of nonferrous metals are contained, manual sorting can be carried out, valuable metals are recycled, and the material is discarded without value.
As shown in fig. 4, as another preferred embodiment of the present invention, the third screen plate 8 is formed as a square hole and made of polyurethane, so as to facilitate the passage of 6-30mm materials.
The embodiment of the utility model provides a non ferrous metal sorting facilities who still provides, include: an eddy current separator, and a particle classifying apparatus as described above; wherein, at least one screening area is provided with an eddy current separator for screening nonferrous metals.
The embodiment of the utility model provides an in, carry the inside that enters into leaping into the sieve from the feed end that leaps into the sieve with rubbish after burning, under drive assembly's effect, sifting surface high-frequency vibration, rubbish after burning separates and carries out the transmission on the sifting surface, and the granule particle diameter that sieves out increases gradually to discharge from the discharge gate that corresponds, thereby realized the granule and classified. The eddy current sorting machine can be arranged at the second discharge port 3 and the third discharge port 4, materials after particle classification are sorted through the eddy current sorting machine, the materials with different particle sizes are sorted, the sorting quality is improved, and the sorting burden of the eddy current sorting machine is reduced. By classifying and screening the particles according to the particle sizes, screening can be performed on different particles, the screening has pertinence, and the screening capacity is improved. The eddy current separator can be arranged at the second discharge hole 3 and the third discharge hole 4, the material between the particle sections contains nonferrous metal angles, the material is suitable for separation, and the separation capacity is strong.
As shown in fig. 5 to 6, as a preferred embodiment of the present invention, the eddy current separator includes a conveying member for conveying the raw material; and the magnetic sorting piece is rotatably arranged at the conveying tail end of the conveying piece and is used for generating eddy current to repel the nonferrous metals. The specific conveying piece is a conveying belt 12, the magnetic sorting piece is a magnetic roller 13, the conveying belt 12 is connected to a conveying roller and the magnetic roller 13 in a rotating mode, eddy current is generated by high-speed rotation of the magnetic roller 13, the conveying belt 12 is driven to rotate for conveying, and a magnetic field generated by the eddy current has a repulsive effect on nonferrous metals. The materials are conveyed along with the conveyor belt 12, and under the action of inertia force and repulsive force, the separation of nonferrous metals from waste residues is realized. A slag outlet 14 and a metal outlet 15 are arranged below the tail end of the conveyor belt 12, non-ferrous metals enter the metal outlet 15 under the repulsive force, and waste residues enter the slag outlet 14 under the action of original inertial force. The separation rate of nonferrous metals is dependent on many factors, and the reasonable classification of material granularity and the placement position of a material distribution plate are extremely important. The separation distance with large granularity is large, and the separation distance with small granularity is small. In fig. 6, the distance between the material plate and the magnetic roller is a, and when sorting is carried out for 2-6mm, the distance b between the nonferrous metal and the magnetic roller is 25mm or so under the action of the repulsive force, so the value of a is most reasonable to be set to be 20 mm. When the separation is carried out for 6-30mm, the throwing distance of the nonferrous metals is b equal to 45mm, so that a equal to 40mm is most reasonable, the separation rate is ensured, and the purity of the separated materials is also ensured. It is very necessary to classify the particle size into 2-6mm and 6-30 mm.
As a preferred embodiment of the utility model, the terminal department that magnetic drum 13 flows is provided with the branch flitch 16 that is used for dividing the material, divides flitch 16 to set up between non ferrous metal and waste residue throw out route to separate non ferrous metal and waste residue, avoided non ferrous metal and waste residue to mix, improved separation quality. The material separating plate 16 may be a plate structure or a parabolic structure, which is not described herein.
The utility model provides a particle grading device in the above embodiment, and provides a non ferrous metal sorting device based on this particle grading device, realizes the transmission and the particle grading of burning rubbish of porous screening surface high frequency oscillation through the skip-in sieve, has realized that transmission, separation are integrative to be set up, makes the device simplied; the material is vibrated on the screen surface through the skip screen, so that the material can jump on the screen surface conveniently, the material can be contacted with the aperture on the screen surface in all directions conveniently, the material can pass through the aperture conveniently, the screening capacity is improved, and the poor grading capacity caused by insufficient screening conveying is avoided. The conveying is carried out through vibration, the conveying uniformity is good, the materials can be conveniently paved on the whole screen surface, and the screening efficiency is improved. The particles are classified for screening, and the classified particles are sorted by the eddy current sorting machine under the action of inertia force and repulsive force, so that the sorting capacity is high, and the quality is high.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A particle classifying device, characterized in that the particle classifying device includes:
the skip screen comprises a driving assembly and a screen surface, wherein the screen surface is provided with at least one screening area, and the driving assembly drives the screen surface to vibrate at high frequency for conveying and screening;
wherein, the sieving aperture of the sieving area is gradually increased in the material flowing direction.
2. A particle sorting apparatus according to claim 1, wherein the screening surface comprises three screening regions, a first screening deck, a second screening deck and a third screening deck.
3. A particle sorting device as claimed in claim 2, wherein the first sieve plate has a sieve aperture of 1-3 mm.
4. A particle sorting device according to claim 2, wherein the first screening deck and/or the second screening deck comprises: the screen plate comprises a frame, screen plate strips and connecting ribs, wherein the screen plate strips are arranged in the same direction, and the frame is connected to the end parts of the screen plate strips and plays a supporting role; the screen bars are connected through connecting ribs, and the frame, the screen bars and the connecting ribs form a slotted screen plate structure.
5. A particle sorting device as claimed in claim 2, wherein the second sieve plate has a sieve aperture of 5-7 mm.
6. A particle sorting device as claimed in claim 2, wherein the third screen deck has a screen aperture of 25-35 mm.
7. A non-ferrous metal sorting apparatus, characterized in that the non-ferrous metal sorting apparatus comprises:
an eddy current separator; and the number of the first and second groups,
a particle sorting device according to any one of claims 1 to 6;
wherein, at least one screening area is provided with an eddy current separator.
8. A non-ferrous metal sorting apparatus as claimed in claim 7, wherein the eddy current sorter includes a conveying member for conveying the raw material; and the magnetic sorting piece is rotatably arranged at the conveying tail end of the conveying piece and is used for generating eddy current to repel the nonferrous metals.
9. A non-ferrous metal sorting apparatus as claimed in claim 8 wherein a material distributing plate is provided at the flow end of the conveyor for distributing material between the non-ferrous metal and the slag discharge path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678706.0U CN212916513U (en) | 2020-08-13 | 2020-08-13 | Particle grading device and non-ferrous metal sorting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678706.0U CN212916513U (en) | 2020-08-13 | 2020-08-13 | Particle grading device and non-ferrous metal sorting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212916513U true CN212916513U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021678706.0U Active CN212916513U (en) | 2020-08-13 | 2020-08-13 | Particle grading device and non-ferrous metal sorting equipment |
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| Country | Link |
|---|---|
| CN (1) | CN212916513U (en) |
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- 2020-08-13 CN CN202021678706.0U patent/CN212916513U/en active Active
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