CN109433414B - Eddy current separator device - Google Patents
Eddy current separator device Download PDFInfo
- Publication number
- CN109433414B CN109433414B CN201811577468.1A CN201811577468A CN109433414B CN 109433414 B CN109433414 B CN 109433414B CN 201811577468 A CN201811577468 A CN 201811577468A CN 109433414 B CN109433414 B CN 109433414B
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- eddy current
- rotating wheel
- belt
- conveyor rotating
- feeding belt
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- 239000000463 material Substances 0.000 claims abstract description 49
- 229910052755 nonmetal Inorganic materials 0.000 claims description 31
- 238000005192 partition Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 35
- 239000002184 metal Substances 0.000 abstract description 35
- 150000002739 metals Chemical class 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 11
- 239000010793 electronic waste Substances 0.000 abstract description 4
- 239000002923 metal particle Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
Abstract
The invention discloses an eddy current separator device, which comprises a separator device and a material collecting tank, wherein the separator device comprises a separator and a material collecting tank; the sorting device is obliquely arranged and comprises a rack, a feeding belt, a conveyor rotating wheel, an eddy current magnetic roller and a feeding belt bump belt; the eddy current magnetic roller is coaxially arranged with a conveyor rotating wheel and embedded in the conveyor rotating wheel, but the rotating directions are opposite, the length of the eddy current magnetic roller is shorter than that of the conveyor rotating wheel, and the distance between the tail end of the eddy current magnetic roller and the tail end of the conveyor rotating wheel accounts for 1/8 of the total length of the conveyor rotating wheel on the side close to the feeding belt ridge; the feed belt ridge dividing the surface of the feed belt into 3/4 sub-regions and 1/4 sub-regions. The device for separating the nonferrous metals in the materials can effectively separate the nonferrous metals in the materials, improves the separation efficiency of the eddy current separator, and is particularly suitable for separating the nonferrous metals in the electronic waste.
Description
Technical Field
The invention relates to the field of non-ferrous metal separation, in particular to an eddy current separator device.
Background
Eddy Current Sorting (ECS) is a technique for sorting different materials using differences in material conductivity. When the eddy current separator works, materials containing nonferrous metals (such as copper, aluminum and the like) pass through an alternating magnetic field at a certain speed, induced eddy currents are generated in the nonferrous metals, the eddy currents can generate a magnetic field opposite to the original magnetic field, namely, a repulsive force is generated on the metals, and the nonferrous metals can be separated from a mixture flow by utilizing the principle.
There are a variety of eddy current separators known in the prior art, for example, an eddy current separator is disclosed in patent publication No. CN 108031552 a. The eddy current separator can separate magnetic materials, and the distance of forward flight of the separator along the conveying direction under the action of a magnetic field is different according to the difference of the electric conductivity, the density and the like of iron materials and iron-containing aluminum materials, so that the iron materials and the iron-containing aluminum materials are separated. But the problem lies in that separation efficiency is not high, and current great work site.
The invention patent with publication number CN 105728187A discloses a multi-stage eddy current sorting all-in-one machine. The multistage eddy current sorting device with the staggered head ends and tail ends from top to bottom in the multistage eddy current sorting all-in-one machine obtains different sorting products through multistage sorting. Although the device can realize accurate separation, the device has complex structure and high cost.
The invention patent publication No. CN108686831A discloses an eddy current magnetically-rolled metal separator. When the separator works, the magnetic force generated by the near-end electromagnetic coil magnetic plate assists the magnetic roller to generate magnetic force, the power generation electromagnetic coil magnetic plate is close to the magnetic roller to generate electricity to generate current, and the rotation of the magnetic roller enables the current generated by the power generation electromagnetic coil magnetic plate to provide the current for generating the magnetic force to the far-end electromagnetic coil magnetic plate and the near-end electromagnetic coil magnetic plate after passing through the control box on the rack. But the structure is complex and the sorting efficiency is not high.
The invention patent with publication number CN104525367A discloses a non-ferrous metal sorting system. The sorting system mainly comprises a feeding device, a first sorting device, a first metal collecting part, a first garbage collecting part and a control device. The first sorting device effectively intercepts nonferrous metals in materials by utilizing magnetic force generated by eddy current to separate the nonferrous metals from the materials, and mainly discharges the nonferrous metals and other materials from two directions by controlling the running direction of a belt to be opposite to the running direction of an inner barrel of a magnetic roller
However, the problems of poor separation effect and low separation efficiency generally exist in the prior art, and meanwhile, the screened nonferrous metals contain more impurities and have low purity. There is therefore still a need to develop new sorting devices that are simple in construction and work more efficiently.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide an eddy current sorting apparatus, which solves the above-mentioned shortcomings in the prior art, and improves the sorting rate of non-ferrous metals in electronic waste and the purity of sorted non-ferrous metals for effectively reducing the sorting cost.
The eddy current separator device comprises a separator device and a material collecting tank;
the sorting device comprises a rack, a feeding belt, a conveyor rotating wheel, an eddy current magnetic roller and a feeding belt bump belt, wherein the feeding belt rotates along with the conveyor rotating wheel to convey materials forwards, one end, far away from the bump belt, of the conveyor rotating wheel in the sorting device is higher than the other end of the conveyor rotating wheel, and a certain included angle α is formed between the axial direction of the conveyor rotating wheel and the horizontal plane, namely the sorting device is obliquely arranged;
the eddy current magnetic roller is coaxially arranged with a conveyor rotating wheel and embedded in the conveyor rotating wheel, but the rotating directions are opposite, the length of the eddy current magnetic roller is shorter than that of the conveyor rotating wheel, and the distance between the tail end of the eddy current magnetic roller and the tail end of the conveyor rotating wheel accounts for 1/8 of the total length of the conveyor rotating wheel on the side close to the feeding belt ridge;
the feeding belt bump belt is arranged on the feeding belt, is parallel to the feeding belt and moves synchronously with the feeding belt;
the material collecting tank is close to the sorting device and comprises a non-metal discharge port and a non-metal discharge port.
Preferably, the feed belt ridge is integrally formed with the feed belt.
Preferably, the feeder belt ridge divides the surface of the feeder belt into 3/4 sub-regions and 1/4 sub-regions.
Preferably, according to the eddy current separator apparatus of the present invention, the feed belt ridge may be replaced by a partition plate that does not move synchronously with the feed belt.
Preferably, the nonmetal discharge port of material collecting vat is the trapezium structure, the non ferrous metal discharge port is the rectangle, nonmetal discharge port with be separated by the baffle in the middle of the non ferrous metal discharge port.
Preferably, the non-metal discharge port corresponds to 3/4 parts of the feeding belt divided by the feeding belt ridge, and the non-metal discharge port corresponds to 1/4 parts of the feeding belt divided by the feeding belt ridge.
Advantageous effects
The invention provides an efficient eddy current separator device which can be applied to various aspects such as electronic waste separation, automobile broken material separation, household garbage separation and the like, can effectively separate nonferrous metals in materials, improves the separation efficiency of the eddy current separator, and is particularly suitable for separating the nonferrous metals in the electronic waste.
Drawings
FIG. 1 is a schematic diagram illustrating the principle of a prior art eddy current sorter;
FIG. 2 is a schematic view of a sorting device of the eddy current sorting device according to the present invention;
FIG. 3 is a side view of a sorting device of the eddy current sorting device according to the invention;
FIG. 4 is a schematic view of a material collection chute of the eddy current classifier device according to the present invention;
fig. 5 is a top view of a material collection chute of the eddy current separator apparatus according to the present invention.
Reference numerals:
1-a feeding belt; 21. 22-conveyor turning wheels; 3-eddy current magnetic roller; 4-feeding belt ridge; 5-nonmetal discharge hole; 6-non-ferrous metal discharge port; arrow A-feeding belt advancing direction; arrow B-direction of rotation of the conveyor rotating wheel; arrow C-direction of rotation of eddy current magnetic roller; arrow D-discharge direction of the nonmetal discharge port; arrow E-the discharge direction of the nonferrous metal discharge port.
Detailed Description
Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Accordingly, the description herein is of preferred examples for the purpose of illustration only and is not intended to limit the scope of the present invention, so it will be understood that other equivalent implementations and modifications may be made without departing from the spirit and scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic view showing the principle of an eddy current sorter in the related art. As can be seen from fig. 1, in the conventional eddy current separator, the conveyor belt is horizontally disposed, and the material moves forward along with the conveyor belt, and when passing through the rollers of the permanent magnet rotor, under the influence of the induced eddy magnetic force, the conductor (metal particles) is splashed by a longer distance, while the non-conductor is not influenced by the induced eddy magnetic force, and is therefore splashed by a shorter distance, thereby separating the conductor from the non-conductor. But because particle size often is not even in the material, or reasons such as material mixing degree difference lead to the difficult accurate control of the distance that splashes of granule, and then lead to separation efficiency not high, the metal of separating contains impurity more, the lower scheduling problem of purity.
Referring to fig. 2 to 5, the eddy current classifier apparatus according to the present invention includes a classifying apparatus 111 and a material collecting tank 222.
Fig. 2 and 3 are a schematic and a side view, respectively, of the sorting unit of the eddy current sorting apparatus according to the invention, it can be seen that the sorting unit 111 is arranged obliquely at an angle α to the horizontal and comprises a frame (not shown), a feed belt 1, conveyor rotating wheels (21, 22), an eddy current magnetic roller 3 and a feed belt ridge 4, and the feed belt 4 rotates with the conveyor rotating wheels (21, 22) to convey material forward in the feed belt advancing direction indicated by arrow a.
The included angle α of the horizontal plane of the sorting device 111 can be adjusted according to the rotating speed of the rotating wheels (21, 22) of the conveyer, the strength of the magnetic field of the eddy current magnetic roller 3 and other factors, and is preferably 5-10 degrees.
The eddy current magnetic roller 3 is coaxially disposed with the conveyor rotating wheel 22 and embedded in the conveyor rotating wheel 22, but the rotating direction C of the eddy current magnetic roller 3 is opposite to the rotating direction B of the conveyor rotating wheel 22, and the eddy current magnetic roller 3 is shorter in length than the conveyor rotating wheel 22, and the distance between the end of the eddy current magnetic roller 3 and the end of the conveyor rotating wheel 22 on the side close to the feeding belt ridge 4 is 1/8 of the total length of the conveyor rotating wheel 22.
The feeding belt ridge belt 4 is arranged on the feeding belt 1, is parallel to the feeding belt 1 and moves synchronously with the feeding belt 1.
The material collection tank 222 is disposed adjacent to the sorting device 111 and includes a non-metal discharge port 5 and a non-metal discharge port 6.
Preferably, the feed belt ridge 4 is integrally formed with the feed belt 1.
Preferably, the feed belt ridge 4 divides the surface of the feed belt 1 into 3/4 sub-regions and 1/4 sub-regions.
When the feeding belt 1 is fed, the material particles are fed only to the 3/4 partial area of the surface of the feeding belt 1 divided by the feeding belt ridge 4, and the other 1/4 partial area is not fed. When the material particles advance to the eddy current magnetic roller 3 along the direction of arrow a along the feeding belt 1, due to the induced eddy current generated in the metal, repulsive force is generated to the metal particles, so that the metal particles are ejected, and at the same time, since the conveying surface of the feeding belt 1 is inclined, the ejected metal particles fall under the action of gravity to 1/4 part area of the surface of the feeding belt 1 divided by the feeding belt ridge 4, and then fall into the nonferrous metal discharge port 6 of the material collecting tank 222. Non-metallic material particles, such as plastic, do not bounce and fall into the non-metallic outlet 5 of the material collection tank 222.
Preferably, the length of the eddy current magnetic roller 3 is shorter than that of the conveyor rotating wheel 22, and the distance from the end of the eddy current magnetic roller 3 to the end of the conveyor rotating wheel 22 on the side close to the feeding belt ridge belt 4 is 1/8 of the total length of the conveyor rotating wheel 22, that is, as shown in fig. 3, the distance from the end of the eddy current magnetic roller 3 to the end of the conveyor rotating wheel 22 is 1/8 of the total length of the conveyor rotating wheel 22 near the lower end in the axial direction of the conveyor rotating wheel 22, and the distance from the feeding belt ridge belt 4 to the end of the conveyor rotating wheel 22 is 1/4 of the total length of the conveyor rotating wheel 22.
Preferably, according to the eddy current separator apparatus of the present invention, the feed belt ridge 4 may be replaced by a partition plate that does not move synchronously with the feed belt 1.
Fig. 4 and 5 are a schematic and a top view, respectively, of the material collection tank 222. The non-metal discharge port 5 of the material collecting tank 222 is of a trapezoid structure, the non-metal discharge port 6 is of a rectangle structure, and the non-metal discharge port 5 and the non-metal discharge port 6 are separated by a partition plate. The non-metal outlet 5 is located adjacent to the 3/4 portion of the surface of the feeding belt 1, receives the separated non-metal components and directs them in the direction of arrow D to a non-metal collection trough (not shown). The non-ferrous metal outlet 6, in the region of said section 1/4 immediately adjacent to the surface of the feeding belt 1, receives the separated metal fraction and directs it in the direction of arrow E to a metal collection bath (not shown).
The following examples are given by way of illustration of embodiments of the invention and are not to be construed as limiting the invention, and it will be understood by those skilled in the art that modifications may be made without departing from the spirit and scope of the invention.
Example 1
Referring to fig. 2 to 5, the present embodiment provides an eddy current classifier apparatus including a classifying apparatus 111 and a material collecting tank 222.
The sorting device 111 is obliquely arranged, forms an included angle of 5-10 degrees with the horizontal plane, and comprises a rack (not shown), a feeding belt 1, conveyor rotating wheels (21, 22), an eddy current magnetic roller 3 and a feeding belt ridge belt 4; the feeding belt 4 rotates along with the conveyor rotating wheels (21, 22) to convey materials forward according to the advancing direction of the feeding belt indicated by an arrow A.
The eddy current magnetic roller 3 is coaxially arranged with the conveyor rotating wheel 22 and embedded in the conveyor rotating wheel 22, but the rotating direction C of the eddy current magnetic roller 3 is opposite to the rotating direction B of the conveyor rotating wheel 22, and when metal particles in a material are conveyed to the eddy current magnetic roller 3, the magnetic field generated by the eddy current magnetic roller 3 causes induced eddy currents to be generated in the metal particles, thereby generating repulsive force to the metal particles.
The feed belt ridge 4 divides the surface of the feed belt 1 into 3/4 part-areas and 1/4 part-areas.
The length of the eddy current magnetic roller 3 is shorter than that of the conveyor rotating wheel 22, and the distance from the end of the eddy current magnetic roller 3 to the end of the conveyor rotating wheel 22 on the side close to the feeding belt ridge belt 4 is 1/8 of the total length of the conveyor rotating wheel 22. That is, as shown in fig. 3, near the lower end in the axial direction of the conveyor rotating wheel 22, the tip end of the eddy current magnetic roller 3 is located at 1/8 of the total length of the conveyor rotating wheel 22 from the tip end of the conveyor rotating wheel 22, while the feed belt ridge belt 4 is located at 1/4 of the total length of the conveyor rotating wheel 22 from the tip end of the conveyor rotating wheel 22. This ensures that metal particles in the vicinity of the feeding belt ridge 4 can smoothly jump over the feeding belt ridge 4, and at the same time, the metal particles do not fall off from the side of the feeding belt 1, and all fall into the nonferrous metal discharge port 6 of the material collection tank 222.
The feeding belt ridge belt 4 is arranged on the feeding belt 1, is parallel to the feeding belt 1 and moves along with the feeding belt 1 synchronously, and is integrally formed with the feeding belt 1.
The material collection tank 222 is disposed adjacent to the sorting device 111 and includes a non-metal discharge port 5 and a non-metal discharge port 6.
When the feeding belt 1 is fed, the material particles are fed only to the 3/4 partial area of the surface of the feeding belt 1 divided by the feeding belt ridge 4, and the other 1/4 partial area is not fed. When the material particles advance to the eddy current magnetic roller 3 along the direction of arrow a along the feeding belt 1, due to the induced eddy current generated in the metal, repulsive force is generated to the metal particles, so that the metal particles are ejected, and at the same time, since the conveying surface of the feeding belt 1 is inclined, the ejected metal particles fall under the action of gravity to 1/4 part area of the surface of the feeding belt 1 divided by the feeding belt ridge 4, and then fall into the nonferrous metal discharge port 6 of the material collecting tank 222. Non-metallic material particles, such as plastic, do not bounce and fall into the non-metallic outlet 5 of the material collection tank 222.
Fig. 4 and 5 are a schematic and a top view, respectively, of the material collection tank 222. The non-metal discharge port 5 of the material collecting tank 222 is of a trapezoid structure, the non-metal discharge port 6 is of a rectangle structure, and the non-metal discharge port 5 and the non-metal discharge port 6 are separated by a partition plate. The non-metal outlet 5 is located adjacent to the 3/4 portion of the surface of the feeding belt 1, receives the separated non-metal components and directs them in the direction of arrow D to a non-metal collection trough (not shown). The non-ferrous metal outlet 6, in the region of said section 1/4 immediately adjacent to the surface of the feeding belt 1, receives the separated metal fraction and directs it in the direction of arrow E to a metal collection bath (not shown).
Claims (6)
1. An eddy current separator apparatus comprising a separator apparatus and a material collection tank;
the sorting device comprises a rack, a feeding belt, a conveyor rotating wheel, an eddy current magnetic roller and a feeding belt bump belt, wherein the feeding belt rotates along with the conveyor rotating wheel to convey materials forwards, one end, far away from the bump belt, of the conveyor rotating wheel in the sorting device is higher than the other end of the conveyor rotating wheel, and a certain included angle α is formed between the axial direction of the conveyor rotating wheel and the horizontal plane, namely the sorting device is obliquely arranged;
the eddy current magnetic roller is coaxially arranged with a conveyor rotating wheel and embedded in the conveyor rotating wheel, but the rotating directions are opposite, the length of the eddy current magnetic roller is shorter than that of the conveyor rotating wheel, and the distance between the tail end of the eddy current magnetic roller and the tail end of the conveyor rotating wheel accounts for 1/8 of the total length of the conveyor rotating wheel on the side close to the feeding belt ridge;
the feeding belt bump belt is arranged on the feeding belt, is parallel to the feeding belt and moves synchronously with the feeding belt;
the material collecting tank is close to the sorting device and comprises a non-metal discharge port and a non-metal discharge port.
2. The eddy current separator apparatus according to claim 1, wherein the feed belt ridge is integrally formed with the feed belt.
3. The eddy current sorter device according to claim 1, wherein the feed belt ridge divides the surface of the feed belt into 3/4 sub-regions and 1/4 sub-regions.
4. The eddy current sorter device according to claim 1, wherein the feed belt ridge may be replaced by a baffle that does not move synchronously with the feed belt.
5. The eddy current separator apparatus according to claim 1, wherein the non-metal outlet of the material collecting tank has a trapezoidal structure, the non-metal outlet has a rectangular shape, and the non-metal outlet are separated by a partition plate.
6. The eddy current separator apparatus according to claim 1, wherein the non-metallic discharge port corresponds to 3/4 portions of the feed belt divided by the feed belt ridge, and the non-metallic discharge port corresponds to 1/4 portions of the feed belt divided by the feed belt ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577468.1A CN109433414B (en) | 2018-12-20 | 2018-12-20 | Eddy current separator device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577468.1A CN109433414B (en) | 2018-12-20 | 2018-12-20 | Eddy current separator device |
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| CN109433414A CN109433414A (en) | 2019-03-08 |
| CN109433414B true CN109433414B (en) | 2020-04-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019221591A1 (en) * | 2018-05-18 | 2019-11-21 | Jimenez Guzman Francisco Javier | System for the recovery and refining in a physical-mechanical manner of non-ferrous metals from electronic scrap |
| CN110038722A (en) * | 2019-04-16 | 2019-07-23 | 上海大学 | It is a kind of for separating the eddy current separator of non-ferrous metal in solid waste |
| CN110124858A (en) * | 2019-05-14 | 2019-08-16 | 马鞍山起劲磁塑科技有限公司 | A kind of plane superfines vortex sorting machine |
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