WO2004105952A1 - Systeme de recyclage de boites metalliques - Google Patents

Systeme de recyclage de boites metalliques Download PDF

Info

Publication number
WO2004105952A1
WO2004105952A1 PCT/KR2004/000179 KR2004000179W WO2004105952A1 WO 2004105952 A1 WO2004105952 A1 WO 2004105952A1 KR 2004000179 W KR2004000179 W KR 2004000179W WO 2004105952 A1 WO2004105952 A1 WO 2004105952A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
pulverizing
cans
scraps
sorting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2004/000179
Other languages
English (en)
Inventor
Yong-Saeng Bae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CIRCULATION SYSTEM Co Ltd
Original Assignee
CIRCULATION SYSTEM Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020030034167A external-priority patent/KR100407218B1/ko
Priority claimed from KR1020030034166A external-priority patent/KR100439690B1/ko
Application filed by CIRCULATION SYSTEM Co Ltd filed Critical CIRCULATION SYSTEM Co Ltd
Publication of WO2004105952A1 publication Critical patent/WO2004105952A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B03C1/04—Magnetic separation acting directly on the substance being separated with the material carriers in the form of trays or with tables
    • B03C1/08—Magnetic separation acting directly on the substance being separated with the material carriers in the form of trays or with tables with non-movable magnets
    • 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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly

Definitions

  • the present invention is related to a recycling system for metal cans, and more particularly to a metal-can-sorting-and-pulverizing system, which can efficiently sort various sorts of cans collected for recycling, which include aluminum or steel cans used for circulation and storage of food and beverage, according to their uses, sizes, and specific gravities, and then pulverize them.
  • Cans have advantages in keeping substances in a convenient and safe way so that they are used for various sorts of cans like beverage, butane gas, spray, and food cans.
  • metal cans are categorized into aluminum, steel, and mixture of aluminum and steel cans according to what are contained inside. And use of metal cans tends to increase in a geometric progression recent years.
  • a metal can recycling system consists of a metal can sorting system, which sorts target objects for recycling from other foreign substances and a pulverizing system which pulverizes the sorted metal, cans into fine scraps.
  • the sorting apparatus by wind force in the prior art has a body with openings in the upper and lower parts. At the top of the body a hopper is formed for accepting mixtures. At the bottom of the body, there are provided with a first and second discharge pipes so that the mixture thrown-in through the hopper is sorted by wind force and discharged through either the first or the second discharge pipes according to their specific gravities. ⁇ - Under the first and second discharge pipes, there are provided with conveyors to. convey the metal cans which were sorted and discharged through either the first or second discharge pipes depending on their specific gravities
  • metal cans are sorted out from the mixture by differences in the specific gravity and then discharged through different discharge pipes.
  • this sorting apparatus by wind force has structural limitations, which allow sorting only, a few kinds of cans with different specific gravities and becomes inefficient for sorting metal cans with various sizes and kinds.
  • a pulverizing apparatus for recycling metal cans has been also disclosed in the prior art.
  • This pulverizing apparatus comprises a casing provided with inlet and outlet hoppers, cutting, blades and collars assembled and fixed horizontally inside the casing, The cutting blades and collars are alternately inserted and fixed and made rotational by motor's rotary power so as to pulverize thrown-in cans through the inlet hopper and discharge through the outlet hopper
  • pulverizing apparatus for recycling, metal cans which organizes a plurality of pulverizing units in a multi-stage fashion so that the pulverizing operation is carried out sequentially through the concatenated pulverizing units.
  • This type of pulverizing apparatus allows the cutting blades to last longer and processing a much larger amount of cans in a short period of time.
  • the multi-staged pulverizing units are concatenated in vertical direction, metal balls contained in spray cans are thrown in so directly into the pulverizing units as to damage the cutting blades.
  • metal balls contained in spray cans are thrown in so directly into the pulverizing units as to damage the cutting blades.
  • it is not easy to exhaust the residual gas during pulverizing processes of combustible or explosive cans like butane gas or spray cans there exists a high risk of fire or explosion due to the residual gas.
  • the pulverizing apparatus is structured in a vertical multi-stage fashion, vibration is transmittable directly between pulverizing units, causing a sprious vibration problem for the whole system.
  • the purpose of the present invention is to provide a metal can sorting system which sorts various kinds of metal cans by their sizes at the first step, sorts metal pieces and cans by their specific gravities, and then finally sorts out metal cans free of foreign substances, which is equal to or less than a pre-determined size, so that pulverizing and recycling efficiency is enhanced in the following processes after the sorting process.
  • Another purpose of the present invention is to provide an improved pulverizing system employing a multi-staged pulverizing processes in which the pulverizing speed and the size to be pulverized into are set for each stage separately and the pulverizing process is carried, out successively, from the size large just enough to sort out foreign substances contained inside and outside cans like metal balls down to the fine size of final pulverization, so that the pulverizing efficiency as well as the safety and productivity is enhanced.
  • Another purpose of the present invention is to prevent damages of cutting blades, fire, and explosion by eliminating metal balls and residual gases at the veiy first pulverizing stage of said metal can pulverizing system.
  • Still another purpose of the present invention is to lower the vibration of a recycling system by isolating physically each stage of the multi-stage pulverizing processes.
  • the metal can recycling system in accordance with the present invention comprises a metal can sorting system to sort metal cans and. a metal can pulverizing system to pulverize the sorted metal cans finely for recycling.
  • Said metal can sorting system is characterized to comprise; a size sorting means to sort metal cans, collected for recycling and conveyed by a conveying means, by their sizes, deliver large-sized metal cans to a metal can pulverizing system and deliver small-sized metal cans, which are smaller than a pre-determined size, to a specific gravity sorting system, the specific gravity sorting means to sort out cans with the size of beverage metal cans from foreign metallic substances like pieces of steel bars and ' keys by applying wind force to the metal cans equal to or less than the pre- ' determined size that are sorted out by the size sorting means, and a vibration sorting means to sort out foreign substances inside the cans or other substances being conveyed together from the metal cans by applying vibration motions to the metal cans which was conveyed by the conveying means and sorted by the specific gravity sorting means.
  • Said metal can pulverizing system is characterized to comprise; a first pulverizing unit to pulverize the metal cans sorted out by the metal can sorting system down into a size so that interior foreign substances like metal balls or residual gases inside the cans can be sorted out by that size, a primary scraps conveying means, being located downstream the outlet of first pulverizing unit, to convey primaiy scraps discharged from the ' first pulverizing unit to a second pulverizing unit and, being structured to have an upward slope from the bottom of an outlet in the upward direction, to separate metal balls with a higher specific gravity and residual gas with a specific, gravity higher than the air, which are intermixed in the primaiy scraps discharged from the outlet,.
  • a second pulverizing unit to receive and pulverize the primary scraps conveyed by the primaiy scraps conveying means down into a pre-detemiined size
  • a multi-stage pulverizing units including a. third pulverizing unit to pulverize the secondary scraps pulverized in the second pulverizing unit down into a pre-determined size and to further provide pulverizing processes, in each of which the sizes of scraps are set finer and finer by stages, and
  • I a conveying means to convey the final scraps discharged from the multistage pulverizing units into the next processes and to include a magnetic sorting means for sorting steel and aluminum cans by magnetism.
  • the pulverizing speed of said first pulverizing unit is designed to be slower than that of the multi-stage pulverizing units, talcing consideration that the load is heavier for the first operation.
  • the present invention is characterized to have the primaiy scraps conveying means physically separated from the first pulverizing unit and the multi-stage pulverizing units so that- the generated vibration is not transmitted between the units.
  • the pulverizing is carried out stepwise from a larger size to a smaller size, the pulverizing efficiency is not only enhanced but also the life of pulverizing apparatus is extended.
  • the primary pulverizing unit is separated physically so that the vibration is kept from transmission. Therefore, the pulverizing efficiency is not only improved but also the vibration is .reduced for the whole system.
  • the present invention Since interior foreign' substances like metal balls and residual gas are -sorted out at the primaiy pulverizing process in advance, the present invention has the effect of preventing risks of fire and explosion as well as protecting the pulverizing units.
  • Fig. 1 shows a configuration of metal can sorting system of a metal can recycling system in accordance with the present invention.
  • Fig. 2 shows a detailed diagram of an embodiment of a size sorting means and a specific gravity sorting means of- a metal can sorting system in accordance with the present invention.
  • Fig. 3 shows an embodiment of a vibration sorting means of a metal can sorting system in accordance with the present invention.
  • Fig ⁇ 4 shows metal can sorting processes in accordance with the present invention.
  • Fig. 5 shows an alternative embodiment of a size sorting means of a metal can sorting system in accordance with the present invention.
  • Fig. 6 shows a configuration of metal can pulverizing system of a metal can recycling system in accordance with the present invention.
  • Fig. 7 shows a configuration of second conveying means of a metal can pulverizing system in accordance with the present invention.
  • Fig. 8 shows an embodiment of a third conveying means with a magnetic sorting means of a metal can pulverizing system in accordance with the present invention.
  • Fig. 9 shows an embodiment of a pulverizing unit of a metal can pulverizing system in accordance with the present invention.
  • Fig. 10 shows the whole processes of the metal pulverizing system of a metal can recycling system in accordance with the present invention.
  • the metal can sorting system comprises a first conveying means(l ⁇ ) to convey metal cans collected for recycling to a size sorting means(20), a size sorting means(20) to sort the recycling metal cans conveyed from the first conveying means(l ⁇ ) by a pre-determined size, a specific gravity sorting means(30) to separate out metallic foreign substances like iron pieces and metal balls by wind force from the metal cans which were sorted by the size sorting means(20), a second conveying .
  • the vibration sorting means(50) to convey metal cans, from which metallic foreign substances were sorted out by the specific gravity sorting means(30), to a vibration sorting means(50), the vibration sorting means(50) to cause vibration for the metal cans, which were conveyed by the second conveying means(40), so as to eliminate foreign substances intermixed in the metal cans and then convey the metal cans to a pulverizing system, and a third conveying means to convey the metal cans sorted by . the vibration sorting means(50) to a pulverizing system.
  • a plurality of rollers are engaged to two support frame beams(21) with a given width so that the rollers rotate to allow metal cans to proceed in the proceeding direction, and the metal cans drop through gaps(d) between the rollers(22) so that the size of so sorted cans is determined by the size of the gaps.
  • the rollers(22) rotate by motor power and are in a linked motion by power transmission means like a chain, gears or a belt pulley.
  • the rollers(22) are provided with protuberances (22a) to prevent metal cans or foreign substances from getting jammed in the gaps between rollers(22) and guides(23) for the protuberances(22a) are formed in parallel with the rollers(22) on the support frame beams(21).
  • the size of the gaps(d) between rollers(22) is determined by the size of the targeted sorting objects such as beverage cans.
  • Said specific gravity sorting means(30) comprises a hopper(31) to receive cans dropped through the gaps between rollers(22) of the size sorting means(20), a first discharge outlet(32), located at the bottom part of a passage for metal cans to fall through from the hopper, to sort and discharge metallic foreign substances like iron pieces and metal balls which have higher specific gravity than beverage cans, an inflow duct (33), formed on a side wall of the passage for metal cans to " fall through from ' the hopper, to allow wind to flow, in from a blower(60) so that the wind force acts on the dropping cans, a second outlet(34) to discharge beverage cans sorted by the wind force from, the blower(60) in the direction of the wind flown in through the inflow duct (33), and a ventilating opening(35), located ' opposite to the inflow duct(33), to allow the wind from blower(60) to vent out.
  • Said vibration sorting means(50), as shown in Fig. 3, comprises a wire- mesh panel(51) which beverage cans are conveyed to by the second conveying means(40) and a power generation means(i.e., a motor)(not shown in the figure) to . cause vibration for the wire-mesh panel(51).
  • Said wire-mesh panel(51) has a downward slope so that foreign substances intennixed in the sorted beverage cans are separated out' by vibration and location energy while the cans slide, down the panel.
  • Said first, second, and third conveying means(10,40,70) are' embodied by conveyer belts.
  • the present invention is provided with a first conveying means(l ⁇ ) to convey the cans collected for recycling to a size sorting means(20).
  • Said first conveying means(l ⁇ ) has a upward slope up to the height of the size sorting means(20). Although a conveyer belt is preferred as the first conveying means, other alternative means are also acceptable.
  • a plurality of rollers(22) is structured to be supported by two support frame beams(21) at both sides and be rotational in the metal cans' proceeding direction.
  • rollers(22) rotates by motor's rotatory power and are coupled by a chain, gears or a belt pulley. Therefore, the rollers are in a linked rotational movement so that the metal cans are conveyed over them.
  • the size sorting means(20) is structured to allow metal cans to drop through gaps between rollers(22).
  • the gap size(d) between rollers(22) is determined by considering the size of the targeted sorting objects such as beverage cans.
  • the size sorting means is structured to have beverage cans or smaller objects drop through the gaps between rollers(22), and larger cans than beverage cans be conveyed by rotational movement of the rollers(22) to discharge for pulverizing processes.
  • the supporting frame beams (21) are structured to have a downward slope for ease of conveying the metal cans.
  • the rollers(22) are provided with piOt ⁇ berances(22a) on their surface so that, when cans or foreign substances are stuck between rollers(22), the protuberances(22a) can take away the stuck cans or foreign substances during the rotation of rollers(22).
  • the guides(23) are structured to make the cans or foreign substances face the rollers(22) in a preferred direction during the rotation of rollers(22).
  • a hopper(31) is structured under the rollers(22) to receive cans dropped through the gaps between rollers(22) for the whole area formed by the supporting frame(21), a first discharge outlet(32) is formed directly under the hopper so as to discharge metallic pieces which have higher specific gravity than beverage cans, a second outlet(34) is arranged beside the first discharge outlet to discharge cans with smaller specific gravity like beverage cans, and an inflow duct (33) is structured to allow wind from a blower(60) to flow onto the dropping space of metal cans so that the wind force acts on the dropping cans, discharging them through the first or the second outlets according to their specific gravities.
  • a ventilating opening(35) is formed opposite to the inflow duct(33) so that the wind flown in through inflow duct(33) to vent out.
  • a second conveying means(40) is provided under the second outlet(34 so that beverage cans discharged from the second outlet(34) are conveyed to a vibration sorting means (50).
  • Said second conveying means(40) is preferably embodied by a conveyor belt, yet other alternative conveying means are also acceptable.
  • the vibration sorting means(50) is structured to be a sieve type wire mesh panel(51) and vibrates by motor power. So the metal cans conveyed by the second conveying means(40) are sieved by the wire mesh panel(51) so that foreign substances are sorted off to the bottom.
  • wire mesh panel(51) has a downward slope
  • vibration of the panel with a slope makes the metal cans conveyed to the later processes of pulverizing.
  • the first, second, and third conveying means( 10,40,70) are conveyor belts and may be provided with side guides on both sides for scraps not to fall off and a plurality of protrusions on the belt surface to increase conveying friction force.
  • the cans collected for recycling are conveyed by the first conveying means(l ⁇ ) and loaded on the upper side of rollers(22) of the size sorting means(20).
  • rollers(22) rotates by motor power simultaneously, the metal cans over the rollers(22) are conveyed along the slope of the rollers(22).
  • rollers(22) are spaced to have gaps(d), cans or metal pieces as small as beverage cans drop through the gaps, while larger-sized cans are conveyed on the rollers(22) and discharged to a separate pulverizing system. Since, if cans or foreign substances are stuck in the gaps between rollers(22), the rollers(22) might get damaged and the motor driving the rollers(22) gets over-loaded, the roliers(22) are provided with protuberances(22a) on their surfaces to take away the stuck-in cans or foreign substances during rotation of the rollers(22).
  • rollers(22) are arranged over a downward slope and the protuberances(22a) move along ' a bottom-to-top path while rollers' rotational movement, the stuck-in cans or foreign substances are hit at the bottom to be pushed up to the top level fomied by rollers' upper-most surfaces and then conveyed by rollers(22) to discharge.
  • the metal cans dropped through roller gaps are received by a hopper(31) and are influenced in the passage by the wind from the inflow duct(33).
  • the beverage cans discharged through the second outlet(34) are loaded on the, second conveying means(40), and conveyed to a vibration sorting means(50) by the second conveying means(40). • - .
  • the beverage cans, sorted by the size sorting means(20) and the specific gravity sorting means(30) and conveyed by the second conveying means(40), are loaded on the upper side of a wire mesh panel(51), conveyed with bouncing up by vibration of the panel, and then conveyed to later processes of pulverizing system.
  • Fig. 5 shows an alternative embodiment of a size sorting means(20).
  • This alternative embodiment of Fig. 5 is structured ' to have a support frame(201). with a downward slope and rollers thereon arranged along the cans' proceeding direction and rotational by frictional contacts, and further includes a vibrating means (not shown in the figure) which causes vibration to the support frame(201) by a power generation means like motors.
  • the gap size(d') between rollers(202) is determined according to the size of sorting target object such as beverage cans.
  • Metal cans are loaded on to the upper surfaces of rollers(202) and then the supporting frame(201) vibrates to malce the cans slide down a downward slope. While sliding down, metal cans drop through the gaps between rollers(202) by their sizes.
  • rollers(202) do not rotate by power but are structured to be rotational by frictional forces, when cans pass through the gaps(d'), adjacent rollers rotate in the opposite directions to allow the cans to pass, reducing jams between rollers(202). Also, the rollers(202) might be replaced by non-rotational fixed bars.
  • the pulverizing system comprises:
  • a first conveying means(l l ⁇ ) to convey the cans sorted by the sorting system to a first pulverizing unit(120),
  • the first pulverizing unit(120) to pulverize the cans, conveyed from the first conveying means(l l ⁇ ) and thrown into a hopper(21), into a given primaiy size with a pre-set pulverizing speed and to discharge to a second conveying means(130) through an outlet(122),
  • a second pulverizing unit(140) to pulverize the primaiy scraps, conveyed by. the second conveying means(130) and thrown into a hopper(141), into a smaller secondary size by a more rapid pulverizing speed
  • a third pulverizing unit(150) to receive the secondary scraps pulverized in the second pulverizing unit(140) from the second conveying means(130), and to pulverize them again into a desired final size, and then to discharge, and a third conveying means(160) to convey the scraps discharged from the third pulverizing unit(150) to later processes and to sort them into steel and aluminum components by a magnetic sorting means which sorts components by a magnetism attached at the finishing end in the scraps' proceeding direction.
  • Said first, second, and third conveying means(l 10, 130, 160) are embodied by conveyer belts.
  • the second conveying means(130) is provided with side guides(131) to prevent " the scraps from falling off from the sides of the scraps' proceeding direction and an end guide(132) at the bottom end opposite to the scraps' proceeding direction.
  • the end guide(132) has a certain height at the bottom end according to the size of scraps to keep scraps, intermixed with foreign substances, from sliding down the slope and falling off the bottom end into discharge. ⁇ .
  • the first conveying means(ll ⁇ ) is provided to convey the metal cans ., sorted by the metal can sorting system.
  • Said first conveying means(l 10) has a upward slope up to the height of the first pulverizing unit(120).
  • a conveyor belt is preferred for this purpose, yet other alternatives are also acceptable.
  • the first pulverizing unit(120) carries out a primaiy pulverizing operation.
  • the first pulverizing unit(120) Since a heavier load is carried for the primary pulverizing operation, the first pulverizing unit(120) is designed to have a slow pulverizing speed and a relatively large size of scraps.
  • the primary pulverizing size by the first pulverizing unit(120) is designed to be in the range of 20 mm to 60 mm.
  • the second conveying means(130) is located downstream the outlet(122) of the . first pulverizing unit(120) to receive and convey the primary scraps discharged from the outlet(122).
  • a conveyor belt is also preferred for the second conveying means (130).
  • the bottom end opposite to the scraps proceeding direction is further extended from the position directly under the outlet(122) so that foreign substances are separated out from the primary scraps.
  • the second conveying means(130) is structured to have a upward slope in the direction to the second pulverizing unit(140), the primaiy scraps loaded on the conveyor belt are conveyed to the second pulverizing unit(140) but foreign substances like metal balls roll down the slope to discharge.
  • the second conveying means(130) is provided with side guides(131) o ,, both sides to prevent scraps from falling off and a end guide(132) at the bottom end opposite to the proceeding direction having a certain height to keep the scraps from being discharged together with foreign substances.
  • the conveyor belt may.be provided with a plurality of protuberances(133) to enhance the conveying efficiency.
  • the height of side guides(132) is determined according to the size of the primaiy scraps.
  • Said second conveying means(130) is structured to be physically separate from the first and the second pulverizing units(120, 140) so that vibrations generated in the first and the second pulverizing units(120, 140) are not transmitted between each other and residual gas inside cans, which comes out during the primaiy pulverizing process by the first pulverizing unit(120), can easily diffuse in the ambient air.
  • the second pulverizing unit(140) pulverizes the primary scraps pulverized by the first pulverizing unit(120) into the next-to-final size that is the scrap size desired at the previous stage before the final pulverizing stage.
  • the size of scraps pulverized by the second pulverizing unit(140) is approximately in the range of 5 mm to 15 mm.
  • the third pulverizing unit(150) pulverizes the scraps into a final size of around 2 mm.
  • the outlet of the second pulverizing unit(140) and the inlet hopper of the third pulverizing unit(150) are connected by a conveying conduit(17) so that the whole system is available in a more compact arrangement.
  • a third conveying means(160) is provided at the outlet of the third pulverizing unit(150) to convey the final scraps to further later processes.
  • the third conveying means(160) is- provided with a magnetic sorting device to sort the final scraps further.
  • the third conveying means(160) is provided with a conveyor belt and two rotative rollers(162) at both starting and finishing ends to supply rotational force to the conveyor belt.
  • the magnetic sorting means is embodied by making the roller(162) at the finishing end of the third conveying means(160) a magnetic substance.
  • the aluminum component, which magnetism does not attract, is discharged to a forward position of the finishing end of third conveying means(160), while the steel component of the scraps is attracted by the magnetism of rotative roller(162) and driven up to the position, where tlie belt of the third conveying means(160) goes round tl e finishing end and faces down to go back to tlie starting end, and finally falls off at the position where the magnetic attractive force no longer acts.
  • tlie belt of the third conveying means(160) goes round tl e finishing end and faces down to go back to tlie starting end, and finally falls off at the position where the magnetic attractive force no longer acts.
  • So sorted are the steel and aluminum components of the scraps by the magnetic sorting means in the third conveying means(160).
  • the first through the third pulverizing units(120, 140, 150) employ rotary cutters inside the units to pulverize metal cans, a disclosed skill in the prior art, yet various alternatives are also acceptable for this purpose and the
  • Fig. 9 shows an embodiment of pulverizing units in the prior art that is employed in the pulverizing system in accordance-with the present invention.
  • the first and the second axes of rotation(711,721) are structured horizontally inside the case and ⁇ • rotary cutters(712,722) and collars(713,723) are assembled reciprocally and fixed on each of the axes.
  • the size of scraps is determined by pulverizing speed being variable with rotating speed.
  • Metal cans sorted by the sorting system are conveyed by a first conveying means(l 10) and thrown into a hopper(121) of first pulverizing unit(120).
  • the first pulverizing unit(120) pulverizes the metal cans thrown-in through the hopper( 121) ' into a large size of 20 mm to 60 mm and discharge them onto the upside of second conveying means(130) through the outlet (122).
  • the primaiy scraps loaded on the second conveying means(130) is conveyed to the second pulverizing unit(140). Since the second conveying means(130) has a upward slope, foreign substances inside cans like metal balls roll down the slope and discharged through the bottom end opposite to the proceeding direction of the second conveying means(130) and residual gas inside cans, having a specific gravity higher than that of the air, also goes down the slope and diffuse in the air.
  • the primary scraps are received from the hopper(141) and pulverized secondaiily into a size of 5 mm to 15 mm, which is smaller than that of the primaiy scraps. Then, the secondary scraps are thrown into the third pulverizing unit( 150) through the conveying conduit( 170). * ,
  • the secondaiy scraps received through the conduit are pulverized into a final size of 2 mm.
  • the final scraps pulverized in the third pulverizing unit(150) are now discharged to the third conveying means(160), and then conveyed by the thicd conveying means(l 60) to further later processes.
  • each component needs to be sorted by a magnetic sorting means and conveyed to each appropriate process.
  • the aluminum component is discharged by driving inertial force at a forward position of the finishing end where the belt begins to go back to the starting end, while the steel component are attracted by the magnetic force and conveyed further clung to the belt.
  • each conveying means is provided at each corresponding position to convey the scraps to later processes.
  • Steel component of the scraps is sent to a compressing apparatus to make steel bars, while aluminum component is passed through cleaning, diying, and compressing processes, and formed into aluminum bars.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un système de circulation de boîtes métalliques permettant de recycler différents types de boîtes mécaniques de manière stable et productive. Le système selon l'invention comprend un système de tri de boîtes métalliques qui trie de manière efficace les boîtes de conserve et les boîtes-boissons en fonction de leur utilisation, de leur taille et de leur poids spécifique, et un système de pulvérisation de boîtes métalliques qui pulvérise finement les boîtes selon un processus de pulvérisation en plusieurs étapes, la vitesse de pulvérisation et les dimensions de matières pulvérisées étant variables. Le système selon l'invention comprend également un système de tri magnétique qui sépare la matière pulvérisée en acier et la matière pulvérisée en aluminium.
PCT/KR2004/000179 2003-05-28 2004-01-31 Systeme de recyclage de boites metalliques Ceased WO2004105952A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2003-0034167 2003-05-28
KR1020030034167A KR100407218B1 (en) 2003-05-28 2003-05-28 Breaking system for metallic can
KR10-2003-0034166 2003-05-28
KR1020030034166A KR100439690B1 (ko) 2003-05-28 2003-05-28 금속 캔 선별 시스템

Publications (1)

Publication Number Publication Date
WO2004105952A1 true WO2004105952A1 (fr) 2004-12-09

Family

ID=33492534

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/000179 Ceased WO2004105952A1 (fr) 2003-05-28 2004-01-31 Systeme de recyclage de boites metalliques

Country Status (1)

Country Link
WO (1) WO2004105952A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1033644C2 (nl) * 2007-04-04 2008-10-07 Recco B V Hooggradient magneetscheidingseenheid met instelmiddelen en opvangplaat.
CN102084401A (zh) * 2008-07-03 2011-06-01 托姆拉系统公司 与空饮品容器的回收有关的装置和方法
CN102184592A (zh) * 2010-12-22 2011-09-14 翁豪 回收机金属识别系统
CN102528425A (zh) * 2012-01-01 2012-07-04 黄存玉 易拉罐自动拔铝打底机
CN103331930A (zh) * 2013-04-22 2013-10-02 东方机器制造（昆明）有限公司 一种废料处理装置
CN105825266A (zh) * 2016-05-22 2016-08-03 福建福贞金属包装有限公司 铝制品二片罐数量化线控方法
CN107825625A (zh) * 2017-10-19 2018-03-23 连炳华 铜米机上的物料粉碎分选装置
CN109174293A (zh) * 2018-09-20 2019-01-11 王志强 一种废旧动力锂电池电芯材料电磁联合分选设备
CN112695851A (zh) * 2020-12-29 2021-04-23 苏州路之遥科技股份有限公司 一种防堵塞厨余垃圾处理器
CN113351324A (zh) * 2020-08-28 2021-09-07 湖南蓝伯化工有限责任公司 一种金属固体废料回收处理装置
CN114243148A (zh) * 2021-12-30 2022-03-25 湖南凯地众能科技有限公司 一种废锂离子电池内有价金属回收装置及回收方法
CN118635248A (zh) * 2024-05-23 2024-09-13 池州市安能金属科技有限公司 一种废铝脱漆的回收装置及其方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215596A (ja) * 1995-02-13 1996-08-27 Fuji Seiki Mach Works Ltd ダンボール箱入り書類等を細断する装置
KR19980037306A (ko) * 1996-11-21 1998-08-05 이봉기 산업폐기물 및 유.무기성 슬러지의 소각처리장치
KR20000049400A (ko) * 2000-02-16 2000-08-05 전운택 캔 재활용 장치 및 그 방법
JP2000308836A (ja) * 1999-04-26 2000-11-07 Hideo Akiba 磁気空間フィルタを用いた選別方法および選別機
KR200246987Y1 (ko) * 2001-06-05 2001-10-22 박노화 캔 압착기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215596A (ja) * 1995-02-13 1996-08-27 Fuji Seiki Mach Works Ltd ダンボール箱入り書類等を細断する装置
KR19980037306A (ko) * 1996-11-21 1998-08-05 이봉기 산업폐기물 및 유.무기성 슬러지의 소각처리장치
JP2000308836A (ja) * 1999-04-26 2000-11-07 Hideo Akiba 磁気空間フィルタを用いた選別方法および選別機
KR20000049400A (ko) * 2000-02-16 2000-08-05 전운택 캔 재활용 장치 및 그 방법
KR200246987Y1 (ko) * 2001-06-05 2001-10-22 박노화 캔 압착기

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1033644C2 (nl) * 2007-04-04 2008-10-07 Recco B V Hooggradient magneetscheidingseenheid met instelmiddelen en opvangplaat.
WO2008123770A1 (fr) * 2007-04-04 2008-10-16 Recco B.V. Procédé utilisant une unité de séparation magnétique à gradient élevé pour séparer des éléments contenant de l'acier d'un flux de scories métalliques
CN102084401A (zh) * 2008-07-03 2011-06-01 托姆拉系统公司 与空饮品容器的回收有关的装置和方法
CN102084401B (zh) * 2008-07-03 2013-10-30 托姆拉系统公司 与空饮品容器的回收有关的装置和方法
US8718818B2 (en) 2008-07-03 2014-05-06 Tomra Systems Asa Device and method related to return of empty beverage containers
CN102184592A (zh) * 2010-12-22 2011-09-14 翁豪 回收机金属识别系统
CN102528425A (zh) * 2012-01-01 2012-07-04 黄存玉 易拉罐自动拔铝打底机
CN103331930A (zh) * 2013-04-22 2013-10-02 东方机器制造（昆明）有限公司 一种废料处理装置
CN105825266A (zh) * 2016-05-22 2016-08-03 福建福贞金属包装有限公司 铝制品二片罐数量化线控方法
CN107825625A (zh) * 2017-10-19 2018-03-23 连炳华 铜米机上的物料粉碎分选装置
CN109174293A (zh) * 2018-09-20 2019-01-11 王志强 一种废旧动力锂电池电芯材料电磁联合分选设备
CN113351324A (zh) * 2020-08-28 2021-09-07 湖南蓝伯化工有限责任公司 一种金属固体废料回收处理装置
CN112695851A (zh) * 2020-12-29 2021-04-23 苏州路之遥科技股份有限公司 一种防堵塞厨余垃圾处理器
CN114243148A (zh) * 2021-12-30 2022-03-25 湖南凯地众能科技有限公司 一种废锂离子电池内有价金属回收装置及回收方法
CN114243148B (zh) * 2021-12-30 2023-12-29 湖南凯地众能科技有限公司 一种废锂离子电池内有价金属回收装置及回收方法
CN118635248A (zh) * 2024-05-23 2024-09-13 池州市安能金属科技有限公司 一种废铝脱漆的回收装置及其方法

Similar Documents

Publication Publication Date Title
CN100406126C (zh) 金属罐回收系统
US20150144718A1 (en) Impact grinding plant for the communition of ore
US2110851A (en) Impact crusher
CN110743699B (zh) 一种洗矿机的出料斗
US8695903B2 (en) Processing of steel making slag
KR20140070038A (ko) 원료 처리 장치
KR101290247B1 (ko) 슬래그 선별장치
WO2011142688A1 (fr) Installation de séparation pneumatique à vide de matières pulvérulentes
US3946950A (en) Material reducer
JP2001225017A (ja) 風力選別機
US3936004A (en) Material reducer
JP2022066626A (ja) 選別装置
CN207401763U (zh) 一种具有除尘功能的新型去石机
JP2013028477A (ja) セメント製造装置およびセメント製造方法
US3788566A (en) Cube ice separator and screening apparatus
JP3753852B2 (ja) 破袋廃棄物の風力選別装置
KR101576989B1 (ko) 혼합 물체의 입자 분리 시스템
RU2382684C1 (ru) Бесситное устройство для разделения сыпучих материалов по крупности
CN103221181B (zh) 喷射材料分离装置及喷射处理装置
JP2018134565A (ja) ローラスクリーン選別機
JP2000005623A (ja) 乾式製砂法及び乾式製砂設備
CN111054483A (zh) 一种新型的垃圾分类筛选装置
US3677403A (en) Tumble screen conveyor
JP2018143972A (ja) 断熱材の選別装置及び選別方法
CN220708235U (zh) 一种子弹上料分解系统

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 20048002815

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase