WO2013025019A2 - Appareil du type central pour production de béton asphaltique en continu et procédé pour celui-ci - Google Patents

Appareil du type central pour production de béton asphaltique en continu et procédé pour celui-ci Download PDF

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Publication number
WO2013025019A2
WO2013025019A2 PCT/KR2012/006398 KR2012006398W WO2013025019A2 WO 2013025019 A2 WO2013025019 A2 WO 2013025019A2 KR 2012006398 W KR2012006398 W KR 2012006398W WO 2013025019 A2 WO2013025019 A2 WO 2013025019A2
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WO
WIPO (PCT)
Prior art keywords
aggregate
ascon
inner cylinder
mixing
production apparatus
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Application number
PCT/KR2012/006398
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English (en)
Korean (ko)
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WO2013025019A3 (fr
WO2013025019A9 (fr
Inventor
허정도
Original Assignee
Huh Jung Do
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Publication of WO2013025019A2 publication Critical patent/WO2013025019A2/fr
Publication of WO2013025019A9 publication Critical patent/WO2013025019A9/fr
Publication of WO2013025019A3 publication Critical patent/WO2013025019A3/fr

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
    • E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
    • E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like

Definitions

  • the present invention relates to a central continuous ascon production apparatus and method thereof, and more particularly, to produce ascon continuously in a fixed place using a large amount of recycled aggregates and new aggregates at once, or using only recycled aggregates or new aggregates.
  • the present invention relates to a central continuous ascon production apparatus and method for achieving high quality ascon while at the same time.
  • the batch-type ascon growth apparatus 10 as shown in FIG. 1 is provided with a plurality of cold bins 12 accommodating ascon by size, and a conveying conveyor for transporting aggregates discharged from the cold bins 12 ( 14) is provided, the heating furnace 16 for heating the aggregate transported to the conveying conveyor 14, is provided with a hot elevator 18 for transporting the heated hot aggregate, and separates the transported aggregate by particle size Is provided with a vibration screen 22, a plurality of hot bins 24 are stored for each aggregate size of the aggregates selected from the vibration screen 22, and discharged by mixing the hot aggregate stored in the hot bin 24 in the capacity ratio It consists of the mixing part 26.
  • the conventional batch-type ascon production apparatus configured as described above sorts the crushed aggregates by particle size and accommodates them in the cold bin.
  • the aggregates contained in the cold bin are discharged to the upper portion of the conveying conveyor, and the transferred aggregate is supplied to the heating furnace.
  • the aggregate is distributed, heated and advanced by side blades attached to the inner surface of the furnace, and is discharged from the end of the furnace.
  • the discharged hot aggregate is supplied to the upper part of the batch tower by a transfer elevator, where the hot aggregate is a vibrating screen. It is separated by particle size and stored in hot bean.
  • the hot aggregate stored by the particle size in the hot bean is discharged by the particle size according to the mixing ratio and supplied to the mixing part to be mixed to complete the production of ascon.
  • the conventional ascon production apparatus has a problem that it takes a lot of time and place to produce ascon using the aggregate because the structure and process is complicated.
  • the central batch ascon production process is not only aggregate drum dryer, but also heating aggregate transfer equipment, a hot bin for storing it, a pug mill mixer in which the hot aggregate is fed, a drum dryer for heating peascon, a peascon storage hot bin, and a dust collecting facility. Additional equipment such as, and installation space thereof are required, and thus there is a problem that the process becomes complicated and takes up a lot of space.
  • the storage capacity of the hot bean is limited because the production of ascone that can be produced at a time is limited, there was an unsuitable problem during large road repair work.
  • the drum mixer itself is provided to have a constant inclination angle, and a plurality of leaf blades of a constant length are attached to the inner surface of the mixer along the circumference to form a set, and in the longitudinal direction of the cylinder There is a leaf blade of the set.
  • the grooves of the blade blade reach the upper part by spreading the material at the bottom of the cylinder, and the position of the blade blade becomes rough, so that the material of the groove falls in the direction in which the mixing cylinder is inclined. It intersects with the hot air of the burner passing inside, and is sprayed, heated and transferred.
  • the conventional central continuous ascon production facility has a merit that requires less space and similar equipment and space as the present invention, unlike the batch type.
  • the present invention has been made to solve the above-mentioned conventional problems, in the present invention, the transfer and mixing of aggregate between the inner circumference of the outer cylinder and the circumference of the inner cylinder using a double cylinder proceeds at the same time as the input of aggregate to simplify the production process
  • the aim is to increase production efficiency and maximize production.
  • the purpose of the present invention is to achieve effective mixing by performing shear friction in a helical direction by using a stirring member having a constant length and spacing while acting as an extrusion screw type flight for mixing and conveying aggregates.
  • the heating is carried out together with the material transfer in one cylinder and then transferred to the mixing unit, a dust collector is installed in order to remove dust generated by the hot air in the aggregate transport, while the dust collector is installed.
  • the transfer and mixing of the material is performed mainly in the inner cylinder, and the heating is performed in the inner cylinder to adopt an indirect heating method that completely separates the movement of the material and heat, thereby strictly controlling the aging of the material and simultaneously Transfer and mixing are performed together with heating, so there is almost no heat loss.
  • materials are added to the mixer and organic additives including asphalt are sprayed to coat the aggregate to lubricate and minimize dust. The purpose is to make sure that
  • waste aggregates and new aggregates are separated by particle size and stored in a plurality of cold bins, and then the stored aggregates are discharged at a mixing ratio, and a homogeneous ascon is produced by stirring and indirect heating by shear friction at the heating unit. Its purpose is to make excellent ascon production, simplify the production process, and to produce large quantities of ascon in a short time.
  • the drum mixer according to the present invention is characterized by adopting an indirect heating method in which the flow of material and heat are separated by a double cylinder, so that asphalt is not directly exposed to a heating source, thereby reducing oxidative aging and emitting dust by hot air.
  • an indirect heating method in which the flow of material and heat are separated by a double cylinder, so that asphalt is not directly exposed to a heating source, thereby reducing oxidative aging and emitting dust by hot air.
  • one side of the inner cylinder that is, the direction in which the aggregate is supplied is small in diameter, and the discharge direction is formed to have a large diameter, so that it is easy to input the waste aggregate or new aggregate.
  • a burner is provided at one side of the inner cylinder, and a plurality of partitions are provided inside the inner cylinder, and a plurality of through holes are formed in the partition so that the heat generated by the burner is not rapidly discharged to the other side and is stagnated inside the inner cylinder.
  • the purpose is to maximize the thermal efficiency.
  • the recovery pipe is piped to reuse the waste heat, thereby preventing heat loss and preheating the aggregate to prepare effective mixing, Its purpose is to be able to produce excellent recycled or new ascon.
  • the condensed water generated when the water cooler is cooled and the water condensed water is collected separately and discharged the air from which the condensed water is removed.
  • the purpose is to help prevent this.
  • the present invention for achieving the above object is an aggregate storage unit for storing aggregates for each particle size, aggregate transfer unit for transferring the aggregate discharged from the aggregate storage unit, and supplying a reforming additive to the aggregate transferred by the aggregate transfer unit
  • the additive supply unit characterized in that consisting of a mixing unit for supplying and mixing the organic additive to the aggregate and the reforming additive.
  • both sides are sealed, and the first, second, and third hopper is formed on one side, the outer cylinder is formed in the lower outlet on the other side, and installed inside the outer cylinder, protruding to both sides of the outer cylinder, both sides of the outer cylinder
  • the aggregate storage unit is provided with a plurality of cold bins for storing the aggregates for each particle size, characterized in that the discharge control port is formed in the lower portion of the cold bin.
  • the aggregate conveying portion is characterized in that the conveying conveyor.
  • the mixing part has a material inlet is high and the discharge part has a low inclination angle
  • the first, second, third hopper is formed on one side
  • the outlet is formed in the lower side of the other side
  • the outer cylinder is characterized in that the first, second, and third hopper provided in the upper portion is fed aggregate in the first hopper, new aggregate in the second hopper, organic additives in the third hopper.
  • the inner cylinder has a small diameter in the direction of the first hopper of the outer cylinder, the outlet direction of the outer cylinder is formed in a large diameter, it characterized in that the switching pipe is formed between the small diameter and the large diameter connected to each other.
  • the stirring member is installed on the circumferential surface of the inner cylinder so that a plurality of the stirring member is maintained at a predetermined interval in the spiral direction of the extrusion screw, the distance between the helix and the helix is adjustable.
  • the inner portion of the inner cylinder is provided with a plurality of partitions, the partition is characterized in that a plurality of through-holes are formed.
  • the inner side of the inner cylinder is characterized in that the heating unit is further installed.
  • the heating unit is characterized in that the heater rod is provided inside the inner cylinder.
  • the heating unit is characterized in that the burner is provided on one side of the inner cylinder.
  • the heating unit is characterized in that a plurality of heating wires are provided on the inner peripheral surface of the inner cylinder.
  • the mixing unit is characterized in that the waste heat recovery unit for recovering the waste heat discharged to one side of the inner cylinder is further provided.
  • the waste heat recovery portion is fastened and fixed to one side to be connected to the inner cylinder, the other side is characterized in that the recovery pipe wound on the first hopper of the outer cylinder is provided.
  • the mixing portion is formed in a cylindrical shape in which both sides are sealed, and the first, second, and third hoppers are formed at one side of the upper end to be spaced apart from each other, and an outer cylinder having a discharge port formed in the other longitudinal direction, and installed on both sides of the outer cylinder.
  • the inner cylinder is installed to protrude to both sides of the outer cylinder, characterized in that consisting of a plurality of stirring members fastened and fixed to the outer peripheral surface of the inner cylinder to be located inside the outer cylinder.
  • the outlet of the outer cylinder is formed in a small tubular shape
  • the inner cylinder is formed in a small tubular shape to be located in the outlet formed of a small tube, characterized in that the screw is formed on the outer peripheral surface of the small tubular shape.
  • the steam recovery unit may be installed at an outlet of the mixing unit to recover water vapor and smoke contained in the recycled ascon.
  • the steam recovery unit is provided with a recovery pipe is installed at the end of the discharge port, the discharge pipe is provided so that the recovery pipe is in communication.
  • One side of the discharge pipe is provided with a blowing fan, the other side of the discharge pipe provided with the blowing fan is characterized in that the liquid recovery container for collecting the liquid contained in the water vapor is provided.
  • the discharge pipe is characterized in that the cooling section of the coil shape is formed.
  • the heat exchanger for cooling the water vapor passing through the cooling section is characterized in that it is further provided.
  • the heat exchanger is provided with a cooling cylinder covering the cooling section of the discharge pipe, a cooling water supply port is formed at one upper end of the cooling cylinder, characterized in that the cooling water discharge port is formed at one lower portion of the cooling cylinder.
  • the outer cylinder outer circumferential surface of the mixing unit is provided with a heating member, and a heat insulating member for covering the heating member is further provided.
  • the first hopper formed in the outer cylinder of the mixing section is provided with a screw shaft in the vertical direction, the sprocket is provided on the upper end of the screw shaft, characterized in that the sprocket and the motor connected to the chain is provided.
  • the storage step of storing the aggregates for each particle size, the discharge step for discharging the aggregates stored for each particle size at a mixing ratio, the transfer step for transferring the aggregates discharged at the mixing ratio, and aggregates in the step of transferring the aggregate It is characterized by consisting of an additive supplying step of supplying a reforming additive to, and adding a organic additive to the reforming additive added to the aggregate, and mixing and heating to produce ascone.
  • the shipping step of shipping the ascon stored in the storage step is characterized in that it is further provided.
  • the transfer and mixing of aggregate between the inner circumference of the outer cylinder and the inner circumference of the inner cylinder is carried out at the same time as the input of the aggregate to simplify the production process, increase the production efficiency, and maximize the yield. It is effective.
  • the conveying and mixing by shear friction in the helical direction has an effect of achieving a much more effective mixing than the conventional method.
  • heating and mixing of materials are carried out mainly, and heating is carried out inside the cylinder to adopt an indirect heating method that completely separates the movement of materials and heat. It is done with heating, so there is almost no heat loss, the material is introduced into the mixer, and the organic additives including asphalt are sprayed to coat the aggregate to lubricate and eliminate the generation of dust, thus eliminating dust collection equipment. It is effective.
  • waste aggregates and new aggregates are separated by particle size and stored in a plurality of cold bins, and then the stored aggregates are discharged at a mixing ratio, and a homogeneous ascon is produced by stirring and indirect heating by shear friction at the heating unit. It has the effect of producing excellent ascon and simplifying the production process and producing large quantities of ascon in a short time.
  • the drum mixer according to the present invention is characterized by adopting an indirect heating method in which the flow of material and heat are separated by a double cylinder, so that asphalt is not directly exposed to a heating source, thereby reducing oxidative aging and emitting dust by hot air.
  • one side of the inner cylinder that is, the direction in which the aggregate is supplied has a small diameter, and the discharge direction has a large diameter, thereby making it easy to add waste aggregate or new aggregate.
  • a burner is provided at one side of the inner cylinder, and a plurality of partitions are provided inside the inner cylinder, and a plurality of through holes are formed in the partition so that the heat generated by the burner is not rapidly discharged to the other side and is stagnated inside the inner cylinder. By gradually discharging to the other side in the state, there is an effect to maximize the thermal efficiency.
  • the recovery pipe is piped to reuse the waste heat, thereby preventing heat loss and preheating the aggregate to prepare effective mixing, It is effective to produce excellent recycled or new ascon.
  • 1 is a schematic view showing a conventional batch ascon production apparatus.
  • Figure 2 is a schematic view showing a central continuous ascon production apparatus according to the present invention.
  • Figure 3 is a cross-sectional view showing a mixing portion of the central continuous ascon production apparatus according to the present invention.
  • FIG. 4 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • FIG 5 and 6 are views showing the working relationship of the central continuous ascon production apparatus according to the present invention.
  • FIG. 7 is a view showing another embodiment of the mixing unit according to the present invention.
  • FIG. 8 is a view showing another embodiment of the mixing unit according to the present invention.
  • FIG. 9 is a view showing another embodiment of the mixing unit according to the present invention.
  • FIG. 10 is a view showing another embodiment of the mixing unit according to the present invention.
  • FIG. 11 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • FIG. 12 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • Figure 13 is a block diagram showing a central continuous ascon regeneration method according to the present invention.
  • Figure 2 is a schematic view showing a central continuous ascon production apparatus according to the present invention
  • Figure 3 is a cross-sectional view showing a mixing portion of the central continuous ascon production apparatus according to the present invention.
  • the central continuous ascon production apparatus 100 stores the waste aggregates collected and crushed waste aggregates generated by road repair work, such as classified by type and particle size, or the new aggregates
  • An aggregate storage unit 110 is provided to classify and store the granularity.
  • the aggregate storage unit 110 is provided with a plurality of cold bins 112 to accommodate and store the crushed aggregate by aggregate type (waste aggregate, new aggregate) and particle size.
  • the lower portion of the cold bin 112 is provided with a supply regulator 114 to be discharged by the control of the control unit (not shown) to discharge the waste aggregate stored for each aggregate type and particle size by blending content.
  • the aggregate is discharged to meet the set content while opening the supply regulator 114 by the control of the control unit according to the mixing content of the waste aggregate stored by the aggregate type and particle size in the cold bean 112.
  • the aggregate may be composed of only the particle size of the waste aggregate, discharged by the aggregate type and the corresponding particle size according to the mixing ratio, or may be composed of only the particle size of the new aggregate, or may be mixed aggregate mixed the particle size of the waste aggregate and the new aggregate.
  • the aggregate transport unit 210 for transporting the waste aggregate discharged according to the blending content from the cold bin 112 of the aggregate storage unit in one direction is provided.
  • the aggregate conveying unit 210 is provided with a conveying conveyor 212 so that one side is positioned below the cold bin 112 so that the aggregate discharged from the cold bin 112 is seated and conveyed in one direction.
  • a reforming additive supply unit 310 for supplying a reforming additive to improve the physical properties of the waste aggregate to the conveying conveyor 212 of the aggregate transport unit 210 is provided.
  • the modifier may be sufficiently melted by shear friction and indirect heating in the mixing part, so that solid particles of pellet size may be used instead of powder.
  • the waste aggregate conveyed by the transfer conveyor 212 is supplied to the hopper located in the outer cylinder of the mixing unit 410.
  • the mixing unit 410 is inclined to have an angle of 0-15 degrees so that the injected material is easily discharged to the discharge port.
  • the waste aggregate and new aggregate are supplied from different aggregate storage unit 110 and the conveying conveyor 212, the waste aggregate is supplied through the first hopper 414 of the mixing unit 410 and the second New aggregate is supplied through the hopper 416 is made of a mixture with each other in the inner circumference.
  • a third hopper 417 which is a liquid supply unit, through which asphalt, a regeneration additive, or fibers is supplied from the mixing unit inlet, is provided.
  • the mixing portion 410 is provided with an outer cylinder 412 such that both sides of the longitudinal direction is sealed.
  • the outer cylinder 412 is provided with a first hopper 414 to which the waste aggregate is transported by the conveying conveyor 212 at one upper end portion, the new aggregate is injected into the vicinity of the first hopper 414
  • the second hopper 416 is provided, the second hopper 416 is provided with a third hopper 417, which is supplied with at least one of the regeneration additive, asphalt, modifier, fiber, the first hopper 414 Is formed on the other side of the lower end discharge port 418 is discharged is completed is mixed, the steam outlet 419 for discharging the water vapor is formed on the side of the outer cylinder.
  • an inner cylinder 420 is provided in the longitudinal direction of the central portion of the outer cylinder 412.
  • the inner cylinder 420 is provided to protrude to both sides of the fixed outer cylinder 412, the inner cylinder 420 is separated from the outer cylinder 412 is installed to enable rotation.
  • the outer circumferential surface of the inner cylinder 420 is provided with a plurality of stirring members 430 to be arranged in the extrusion screw direction.
  • the stirring member 430 is fixed to the outer circumferential surface of the inner cylinder 420 in the spiral direction of the extrusion screw by a fixing means such as a bolt while maintaining a predetermined interval with the neighboring stirring member 430.
  • the stirring member 430 has a flight shape of an extruded screw having a predetermined length, whereas the flight of the extruded screw handles mixing of the molten polymer solution, whereas the present invention handles large aggregates (up to 40 mm or less). Should be, the overall dimensions of the flight should be greatly increased in consideration of the radius and the aggregate size of the inner cylinder (420).
  • the contact surface of the stirring member 430 in contact with the aggregate should prevent the slip with the aggregate by handling the aggregate, not the liquid.
  • the stirring member is in vain and the aggregate transfer is not possible to prevent the embossing, grooving, grooved or recessed groove 430 to prevent the contact surface of the stirring member 430 It must be made or processed in various patterns.
  • the stirring member 430 is to be made of wear-resistant steel to prevent this due to the wear and tear due to friction with the aggregate.
  • the method of conveying the material in the spiral direction by the shear friction in the stirring member has a big difference in terms of mixing efficiency from the method in which the blade blades inclined to the inner wall of the rotating cylinder convey the material.
  • the stirring member in the present invention transfers the material in the spiral direction while inducing strong mixing between the materials by the shear screw of the extrusion screw type.
  • the stirring member 430 of the present invention induces strong shear friction between the materials, while mixing, whereas the conventional leaf blades have only the role of mixing the materials, the two methods There is an incomparable difference in mixing efficiency between the livers, and the mixing method according to the present invention is much better.
  • the power transmission unit 440 is installed in the inner cylinder 420 of any one side protruding to the outside of the outer cylinder 412 is provided to rotate the inner cylinder 420.
  • the power transmission unit 440 when moving the material forward by the shear friction, the force generated to reverse the inner cylinder 420 is generated, which takes this to prevent the bearing, the rotational speed of the motor is reduced but the rotational force is a few It refers to a speed reducer that doubles and includes a motor that rotates the speed reducer.
  • a sprocket 442 is provided on one side outer circumferential surface of the inner cylinder 420, and a power transmission unit 446 is provided such that the sprocket 442 is rotated by the chain 444.
  • a pulley (not shown) may be formed on the outer circumferential surface of the inner cylinder 420, and the pulley and the belt (not shown) may be connected to the motor 446. In addition to this, all of the inner cylinder 420 may be rotated. Means are applicable.
  • the heating unit 450 is installed inside the inner cylinder 420 to dissipate heat so that the waste aggregate and the new aggregate supplied between the outer cylinder 412 and the inner cylinder 420 can be easily mixed. do.
  • the heating unit 450 is provided with a plurality of heater rods 452 in the longitudinal direction on the inner side of the inner cylinder 420, the heater rods 452 to dissipate heat by the power supply means supplied from the outside Indirect heating of the mixed aggregate moved by the stirring member 430.
  • the inner cylinder 420 is further provided with a waste heat recovery unit 460 for recovering waste heat discharged to one side of the inner cylinder 420 by the heat emitted from the heating unit 450.
  • the waste heat recovery unit 460 is provided with a recovery pipe 462 is installed in the inner cylinder 420 of the first hopper 414 side.
  • one side of the recovery pipe 462 is installed to be connected to the inner side of the inner cylinder 420, the other side is installed on the upper portion of the outer cylinder 412 is wound on the outer circumferential surface of the first hopper 414 into which waste aggregate is introduced Will be.
  • the heat of the inner cylinder 420 is recovered in the direction connected to the inner cylinder to circulate the recovery pipe 462 is discharged to the outside.
  • the waste aggregate is introduced into the first hopper 414 in the process of waste heat passing through the recovery pipe 462 wound in the first hopper 414 by the heat discharged by circulating the recovery pipe 462. Since it is put in a heated state and mixed more effectively, the effect of mixing increases.
  • a storage silo 510 is provided to receive the ascon discharged through the discharge port 418 of the outer cylinder 412 and store it at a constant temperature, and to discharge it to a transport dump truck as necessary.
  • the ascon mixed with the mixing unit 410 and heated and discharged to the outlet 418 of the outer cylinder 412 is loaded directly into the transport dump truck without passing through the storage silo 510 to a construction site such as a packaging work. You can also carry it.
  • 5 and 6 is a view showing the working relationship of the central continuous ascon production apparatus according to the present invention.
  • the waste ascon generated during the road construction, etc. to collect the pulverized by using a grinding means and then sorted the crushed waste aggregate by particle size By separating the stored in the cold bin 112 of the aggregate storage unit 110.
  • the aggregates may be classified by particle size and stored in the cold bins 112 of the aggregate storage unit 110 by dimensions, respectively, and by increasing the number of cold bins 112, the waste aggregates and the new aggregates are separately stored in the cold bins 112. ) And then discharged by the discharge control port 114 provided in the lower portion of the cold bin 112 according to the mixing ratio of the waste aggregate and the new aggregate by the particle size of each aggregate aggregate conveying conveyor (212) It can also be transferred via.
  • aggregates having different aggregate types and particle sizes are discharged through the discharge control unit 114 provided at the lower portion of the cold bean 112 according to the blending content.
  • the aggregates discharged from the cold bin 112 are dropped to the upper portion of the transfer conveyor 212, and in this state is transferred to the mixing unit 410 by the transfer conveyor 212.
  • the reforming additive supply unit 310 supplies a fixed amount of the reforming additive to the transported aggregate.
  • the aggregate and the reforming additive conveyed by the conveying conveyor 212 are supplied to the inside of the outer cylinder 412 through the first hopper 414 of the mixing unit 410, and is supplied to the inner side of the outer cylinder 412
  • the waste aggregate moves in the direction of the outlet 418 of the outer cylinder 412 while being agitated by the stirring member 430 provided on the outer circumferential surface of the inner cylinder 420 rotating by the motor 446 of the power transmission unit 440. Done.
  • the waste aggregate is the first hopper 414 of the outer cylinder 412
  • the second hopper 416 of the outer cylinder 412 New aggregates are added to each other and may be mixed inside the mixing unit.
  • the aggregate aggregate may be supplied into the mixing unit 410 using one first hopper 414.
  • the liquid material is introduced through the third hopper, and a plurality of separate hoppers (not shown) may be formed in the outer cylinder 412, and new asphalt, regeneration additives, and fiber materials may be separately added to each of them. .
  • the stirring member 430 causes shear friction and transfers the aggregate and the organic additive in the spiral direction.
  • the molten liquid is heated and melted by friction heat generated and indirect heating transferred from the inner cylinder 420, and the molten liquid coats the heated aggregate, and the coated aggregate is mixed with each other to move to the outlet 418.
  • the stirring member 430 continuously arranged at regular intervals at the time of movement of the material has an empty space without shear movement between neighboring stirring members 430.
  • the preceding mixed aggregate located in the empty space is reversed due to the inability to shear movement and meets with the following material, which causes shearing movement to move forward to further promote the mixing of the materials.
  • the discontinuous stirring member 430 also serves to reduce the load of the power transmission unit 440 that is required to rotate the inner cylinder 420 by shearing only the mixed aggregate of the contact surface excluding the mixed backflow aggregate.
  • the length of the stirring member 430 and the distance between the stirring member 430 may be adjusted in consideration of the mixing role according to the shear friction of the material and the load reducing role of the power transmission unit 440 at the same time.
  • the heater rod of the heating unit 450 when the aggregate and the organic additives (new asphalt, modified additives, new additives, etc.) are moved while mixing by shear friction of the stirring member 430 according to the rotation of the inner cylinder 420 Heat is dissipated at 452, and heat is transferred to the material by indirect heating to melt organic additives in the material to form a uniform mixed liquid, which is the outer circumference of the stirring member 430, aggregate, and inner cylinder 420.
  • By covering the inner circumference of the outer cylinder 412 it serves as a lubricant to reduce friction.
  • This lubrication role facilitates the rotation of the inner cylinder 420 by reducing the friction between the aggregate and the stirring member 430, the aggregate, and the outer peripheral surface of the aggregate and the inner cylinder 420, promotes uniform mixing of the material and the stirring member 430 It moves in the spiral direction by.
  • the aggregate made by mixing while moving in the spiral direction by the rotation of the inner cylinder 420 is to be discharged to the outlet 418 of the outer cylinder 412.
  • ascon discharged to the outlet 418 of the outer cylinder 412 may be transported in a transport dump truck to be reused for road pavement construction, etc., or stored in a separate storage silo 510 to a transport dump truck as needed. It can be used for road pavement construction by carrying and loading.
  • the waste heat discharged from the inside of the inner cylinder 420 is circulated through the recovery pipe 462 to heat the first hopper 414 of the outer cylinder to preheat the waste aggregate introduced into the first hopper 414,
  • the waste heat discharged to the outside of the inner cylinder 420 can be recycled to prevent heat loss.
  • FIG. 7 is a view showing another embodiment of the mixing unit according to the present invention.
  • one side portion of the inner cylinder 420 that is, the direction in which the first hopper 414 of the outer cylinder 412 is formed is a direction in which the outlet 418 of the outer cylinder 412 is formed by a small diameter pipe 420a.
  • Silver is a large diameter tube 420c, and a conversion tube 420b whose diameter gradually increases is formed between the small diameter tube 420a and the large diameter tube 420c.
  • each tube can be adjusted according to the design of the designer.
  • the reason for dividing the inner cylinder into three parts is to perform different functions.
  • the small diameter tube 420a portion facilitates the feeding and conveying of the material, and the conversion tube 420b portion causes strong shear friction on the compressed and compressed material of the conveyed material to accelerate the melting, and the large tube (
  • the portion 420c is characterized in that it is designed to discharge the mixed material after completion of the melting and homogeneous mixing.
  • FIG. 8 is a view showing another embodiment of the mixing unit according to the present invention.
  • the heating unit 450 installed in the inner cylinder 420 of the mixing unit 410 is provided with a burner 454 such that a flame opening is positioned at one side of the inner cylinder 420.
  • waste aggregates, new aggregates and organic additives supplied to the first, second and third hoppers 414, 416 and 417 of the outer cylinder by the rotation of the inner cylinder 420 are stirred by the stirring member 430. This is done while the heat generated by the flame emitted from the burner 454 when moved in the spiral direction is indirectly transferred to the mixed material to the heat exchange.
  • the conventional burner heating method is closer to direct heating rather than indirect heating in a strict sense, since the heating part and the aggregate conveying part are made inside a drying container.
  • the present invention is composed of a double cylinder material is transferred in the inner cylinder, the heating is started from the inner surface of the inner cylinder to transfer the heat to the material of the peripheral surface is completely separated material transfer and heat transfer.
  • FIG. 9 is a view showing another embodiment of the mixing unit according to the present invention.
  • a plurality of partitions 422 are provided on the inner side of the inner cylinder 420 provided at one side of the burner, and a plurality of through holes 424 are formed in each of the partitions 422. .
  • the heat of the flame emitted from the burner 454 is stagnated by the partition 422 provided on the inner side of the inner cylinder 420, and the stagnant hot air sequentially opens the through holes 424 formed in the partition 422.
  • the heat generated by the flame emitted from the burner 454 is discharged by the partition 422 by causing the burner 454 to be discharged in the opposite direction to the inner cylinder 420 in which the burner 454 is moved in such a manner as to move between neighboring partitions 422. It gradually moves to the other side, maximizing the thermal efficiency and at the same time supplying a lot of heat to the mixed aggregate is made better mixing.
  • FIG. 10 is a view showing another embodiment of the mixing unit according to the present invention.
  • the heating unit 450 installed in the inner cylinder 420 of the mixing unit 410 to dissipate heat is provided with a plurality of heating wires 456 in a manner that is attached to the inner circumferential surface of the inner cylinder 420. .
  • the plurality of heating wires 456 installed on the inner circumferential surface of the inner cylinder 420 is generated by the power supplied from the outside, the heat emitted from the heating line 456 is transferred to the inner cylinder 420, the first,
  • heat is made. As a result, it helps the mixing of waste aggregate and new aggregate well, and also prevents rapid oxidation aging.
  • FIG. 11 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • the outer circumferential surface of the outer cylinder 412 is provided with a heating member 470 inside the inner cylinder 420 for the purpose of dissipating heat to quickly increase the material temperature located inside the outer cylinder 412.
  • the heating member 470 is provided in a coil or heating wire winding the outer circumferential surface of the outer cylinder in a coil shape, a heating rod for wiring in the longitudinal direction of the outer cylinder 412, or a heating panel covering the outer circumferential surface of the outer cylinder 412, the outer cylinder 412
  • a heating band for circulating the heating tube or a heating band covering the outer cylinder 412 may be provided.
  • the outer circumferential surface of the outer cylinder 412 is provided with a heat insulator 472 that blocks the heating member 470 outside the outer cylinder 412 and the heat dissipated from the inside of the outer cylinder 412 to the outside.
  • the screw shaft 474 is installed on one side of the outer cylinder 412 to adjust the input amount and speed so that the waste aggregate is injected into the first hopper 414 to which the waste aggregate is introduced, in accordance with the speed at which the inner cylinder 420 rotates.
  • Sprocket 476 is provided at the upper end of the screw shaft 474, and the motor 478 is connected by the sprocket 476 and the chain 477 to rotate the screw shaft 476. do.
  • FIG. 12 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • an outlet 418 is formed at one side portion of the outer cylinder 412, that is, the other longitudinal end portion in which the first, second and third hoppers 414, 416 and 417 are formed.
  • a small tube is formed at the end of the large tube of the outer cylinder 412, the outlet 418 is formed in this small tube, the produced ascon is discharged through the outlet 418.
  • the diameter of the inner cylinder 420 is also small at a constant interval with the diameter of the outer cylinder, but the small ratio is small pipe 421 of the inner cylinder 420 within the range that the amount of material transfer in the large pipe portion remains unchanged.
  • a screw 421a is formed around the small tube 421 to discharge the material conveyed between the inner cylinder 420 and the outer cylinder 412 to the outlet 418 using the screw 421a.
  • the screw 421a is formed only up to the discharge port 418, and after that, only the small pipe 421 is extended without the screw 421a to be fixed to the end with a bearing to maintain the balance of the inner cylinder 420.
  • the power transmission unit 440 for rotating the inner cylinder 420 is installed in the inner cylinder 420 in the direction in which the first hopper 414 is provided.
  • the recycled ascon discharged to the outlet 418 of the outer cylinder 412 is stored in the storage 510 between the transfer belt using a transport belt, or loaded on a dump truck and transported to the site.
  • the smoke is generated along with the recycled ascon discharged through the discharge port 418 is provided with a steam recovery unit 480 for recovering the pollutant in the smoke.
  • the steam recovery unit 480 is provided with a recovery pipe 482 that is vertically installed to cross the outlet 418 of the outer cylinder 412, the upper portion of the recovery pipe 482 is a bent portion formed in a horizontal direction
  • the discharge pipe 484 is fixedly fixed to this bent portion.
  • the outermost position of the discharge pipe 484 is provided with a blowing fan 486 for generating a suction force to suck the smoke discharged from the discharge port 418 of the outer cylinder 412, the discharge pipe 484 immediately inside
  • the air purifier 485 for trapping harmful gases CO 2 , NO x , SO x , etc. in the smoke is installed in the air purifier, and the air purifier 485 has various catalysts for collecting harmful gases (active carbon, honeycomb catalyst). , Membrane catalyst, automobile exhaust gas removal catalyst, and various other catalysts).
  • the exhaust pipe 484 before the air purifier 485 is provided with a heat exchanger 490 for cooling the steam and oil vapor in the smoke
  • the heat exchanger 490 is formed of a coil shape or a large surface area structure and the discharge pipe It consists of a cooling section 484a connected to 484, and a cooling cylinder 492 formed so that the cooling section is located inside.
  • a cooling water supply port 494 is provided at one upper portion of the cooling cylinder 492 to supply cooling water to the cooling cylinder 492, and a cooling water discharge opening for discharging cooling water having recovered heat from the cooling section 484a is provided at the lower side. 496 is formed.
  • the smoke generated at the outlet 418 of the outer cylinder 412 is purified while passing through the heat exchanger 490 and the air purifier 485 sequentially located in the starting direction of the discharge pipe 484, and finally by the blowing fan 486 Emitted to the atmosphere.
  • the exhaust pipe 484 is formed on the other side of the discharge pipe 484 provided with the blower fan 486, the air purifier 485, and the heat exchanger 490, and a cooling section of the heat exchanger 490 is formed thereunder.
  • a liquid recovery container 488 for recovering the liquefied water vapor and oil vapor at 484a is provided.
  • waste ascon injected into the first hopper 414 is moved to the discharge port 418 by the rotation of the inner cylinder 420 is discharged regenerated ascon is discharged is received in the storage 510.
  • the liquid condensed in the heat exchanger 490 is recovered in the liquid recovery container 488, the harmful gas is collected by the catalyst in the air purifier 485, the catalyst function when the catalyst is saturated with harmful gas after a certain period of time This loss results in the replacement of a new catalyst.
  • Figure 13 is a block diagram showing a central continuous ascon production method according to the present invention.
  • the central continuous ascon production method collects and crushes the waste ascon generated by road construction, and stores the crushed waste aggregate in each of the plurality of cold bins 112 by particle size.
  • the waste aggregates stored in the plurality of cold bins 112 are discharged by adjusting the discharge control port 114, the granules of different particle sizes according to the mixing ratio and seated on the upper portion of the conveying conveyor (212).
  • a reforming additive which is solid particles, is added in the additive supply unit 310 so that the waste aggregate transported by the transfer conveyor 212 may have improved physical properties.
  • the first hopper formed in the outer cylinder 412 of the mixing unit 410 after the reforming additive is supplied from the additive supply unit in the process of moving the waste aggregate discharged from the cold bin 112 by using the transfer conveyor 212
  • the new aggregate is injected into the second hopper and the organic additive is injected into the third hopper, and the mixed material is mixed by the stirring member 430, and at the same time, heat is exchanged to the mixed material by the heating unit 450.
  • the waste aggregate supplied to the first hopper 414 of the outer cylinder 412 is moved in a spiral direction by the stirring member 430 provided on the outer side of the inner cylinder 420 while the inner cylinder 420 rotates,
  • the waste aggregate moves in a spiral direction
  • the new aggregate is introduced through the second hopper 416, and the organic additive is added through the third hopper 417, the mixed aggregate moves.
  • the aggregate conveyed by the conveying conveyor 212 is supplied to the heating unit 410 and stirred to mix the aggregates having different particle sizes with each other and at the same time by applying heat to make the heat exchange to the finished ascon outlet ( Received ascon discharged to the outside through the 418 is supplied is to be stored in the storage silo 510. (S150)
  • the ascon stored in the storage silo 510 is loaded and transported in a transport dump truck to be used for road pavement construction and the like.
  • the ascon produced in the mixing unit 410 may be reused for packaging work so as not to be stored in the storage silo 510 immediately loaded into the transport dump truck.
  • Figure 2 is a schematic view showing a central continuous ascon production apparatus according to the present invention
  • Figure 3 is a cross-sectional view showing a mixing portion of the central continuous ascon production apparatus according to the present invention.
  • the central continuous ascon production apparatus 100 stores the waste aggregates collected and crushed waste aggregates generated by road repair work, such as classified by type and particle size, or the new aggregates
  • An aggregate storage unit 110 is provided to classify and store the granularity.
  • the aggregate storage unit 110 is provided with a plurality of cold bins 112 to accommodate and store the crushed aggregate by aggregate type (waste aggregate, new aggregate) and particle size.
  • the lower portion of the cold bin 112 is provided with a supply regulator 114 to be discharged by the control of the control unit (not shown) to discharge the waste aggregate stored for each aggregate type and particle size by blending content.
  • the aggregate is discharged to meet the set content while opening the supply regulator 114 by the control of the control unit according to the mixing content of the waste aggregate stored by the aggregate type and particle size in the cold bean 112.
  • the aggregate may be composed of only the particle size of the waste aggregate, discharged by the aggregate type and the corresponding particle size according to the mixing ratio, or may be composed of only the particle size of the new aggregate, or may be mixed aggregate mixed the particle size of the waste aggregate and the new aggregate.
  • the aggregate transport unit 210 for transporting the waste aggregate discharged according to the blending content from the cold bin 112 of the aggregate storage unit in one direction is provided.
  • the aggregate conveying unit 210 is provided with a conveying conveyor 212 so that one side is positioned below the cold bin 112 so that the aggregate discharged from the cold bin 112 is seated and conveyed in one direction.
  • a reforming additive supply unit 310 for supplying a reforming additive to improve the physical properties of the waste aggregate to the conveying conveyor 212 of the aggregate transport unit 210 is provided.
  • the modifier may be sufficiently melted by shear friction and indirect heating in the mixing part, so that solid particles of pellet size may be used instead of powder.
  • the waste aggregate conveyed by the transfer conveyor 212 is supplied to the hopper located in the outer cylinder of the mixing unit 410.
  • the mixing unit 410 is inclined to have an angle of 0-15 degrees so that the injected material is easily discharged to the discharge port.
  • the waste aggregate and new aggregate are supplied from different aggregate storage unit 110 and the conveying conveyor 212, the waste aggregate is supplied through the first hopper 414 of the mixing unit 410 and the second New aggregate is supplied through the hopper 416 is made of a mixture with each other in the inner circumference.
  • a third hopper 417 which is a liquid supply unit, through which asphalt, a regeneration additive, or fibers is supplied from the mixing unit inlet, is provided.
  • the mixing portion 410 is provided with an outer cylinder 412 such that both sides of the longitudinal direction is sealed.
  • the outer cylinder 412 is provided with a first hopper 414 to which the waste aggregate is transported by the conveying conveyor 212 at one upper end portion, the new aggregate is injected into the vicinity of the first hopper 414
  • the second hopper 416 is provided, the second hopper 416 is provided with a third hopper 417, which is supplied with at least one of the regeneration additive, asphalt, modifier, fiber, the first hopper 414 Is formed on the other side of the lower end discharge port 418 is discharged is completed is mixed, the steam outlet 419 for discharging the water vapor is formed on the side of the outer cylinder.
  • an inner cylinder 420 is provided in the longitudinal direction of the central portion of the outer cylinder 412.
  • the inner cylinder 420 is provided to protrude to both sides of the fixed outer cylinder 412, the inner cylinder 420 is separated from the outer cylinder 412 is installed to enable rotation.
  • the outer circumferential surface of the inner cylinder 420 is provided with a plurality of stirring members 430 to be arranged in the extrusion screw direction.
  • the stirring member 430 is fixed to the outer circumferential surface of the inner cylinder 420 in the spiral direction of the extrusion screw by a fixing means such as a bolt while maintaining a predetermined interval with the neighboring stirring member 430.
  • the stirring member 430 has a flight shape of an extruded screw having a predetermined length, whereas the flight of the extruded screw handles mixing of the molten polymer solution, whereas the present invention handles large aggregates (up to 40 mm or less). Should be, the overall dimensions of the flight should be greatly increased in consideration of the radius and the aggregate size of the inner cylinder (420).
  • the contact surface of the stirring member 430 in contact with the aggregate should prevent the slip with the aggregate by handling the aggregate, not the liquid.
  • the stirring member is in vain and the aggregate transfer is not possible to prevent the embossing, grooving, grooved or recessed groove 430 to prevent the contact surface of the stirring member 430 It must be made or processed in various patterns.
  • the stirring member 430 is to be made of wear-resistant steel to prevent this due to the wear and tear due to friction with the aggregate.
  • the method of conveying the material in the spiral direction by the shear friction in the stirring member has a big difference in terms of mixing efficiency from the method in which the blade blades inclined to the inner wall of the rotating cylinder convey the material.
  • the stirring member in the present invention transfers the material in the spiral direction while inducing strong mixing between the materials by the shear screw of the extrusion screw type.
  • the stirring member 430 of the present invention induces strong shear friction between the materials, while mixing, whereas the conventional leaf blades have only the role of mixing the materials, the two methods There is an incomparable difference in mixing efficiency between the livers, and the mixing method according to the present invention is much better.
  • the power transmission unit 440 is installed in the inner cylinder 420 of any one side protruding to the outside of the outer cylinder 412 is provided to rotate the inner cylinder 420.
  • the power transmission unit 440 when moving the material forward by the shear friction, the force generated to reverse the inner cylinder 420 is generated, which takes this to prevent the bearing, the rotational speed of the motor is reduced but the rotational force is a few It refers to a speed reducer that doubles and includes a motor that rotates the speed reducer.
  • a sprocket 442 is provided on one side outer circumferential surface of the inner cylinder 420, and a power transmission unit 446 is provided such that the sprocket 442 is rotated by the chain 444.
  • a pulley (not shown) may be formed on the outer circumferential surface of the inner cylinder 420, and the pulley and the belt (not shown) may be connected to the motor 446. In addition to this, all of the inner cylinder 420 may be rotated. Means are applicable.
  • the heating unit 450 is installed inside the inner cylinder 420 to dissipate heat so that the waste aggregate and the new aggregate supplied between the outer cylinder 412 and the inner cylinder 420 can be easily mixed. do.
  • the heating unit 450 is provided with a plurality of heater rods 452 in the longitudinal direction on the inner side of the inner cylinder 420, the heater rods 452 to dissipate heat by the power supply means supplied from the outside Indirect heating of the mixed aggregate moved by the stirring member 430.
  • the inner cylinder 420 is further provided with a waste heat recovery unit 460 for recovering waste heat discharged to one side of the inner cylinder 420 by the heat emitted from the heating unit 450.
  • the waste heat recovery unit 460 is provided with a recovery pipe 462 is installed in the inner cylinder 420 of the first hopper 414 side.
  • one side of the recovery pipe 462 is installed to be connected to the inner side of the inner cylinder 420, the other side is installed on the upper portion of the outer cylinder 412 is wound on the outer circumferential surface of the first hopper 414 into which waste aggregate is introduced Will be.
  • the heat of the inner cylinder 420 is recovered in the direction connected to the inner cylinder to circulate the recovery pipe 462 is discharged to the outside.
  • the waste aggregate is introduced into the first hopper 414 in the process of waste heat passing through the recovery pipe 462 wound in the first hopper 414 by the heat discharged by circulating the recovery pipe 462. Since it is put in a heated state and mixed more effectively, the effect of mixing increases.
  • a storage silo 510 is provided to receive the ascon discharged through the discharge port 418 of the outer cylinder 412 and store it at a constant temperature, and to discharge it to a transport dump truck as necessary.
  • the ascon mixed with the mixing unit 410 and heated and discharged to the outlet 418 of the outer cylinder 412 is loaded directly into the transport dump truck without passing through the storage silo 510 to a construction site such as a packaging work. You can also carry it.
  • 5 and 6 is a view showing the working relationship of the central continuous ascon production apparatus according to the present invention.
  • the waste ascon generated during the road construction, etc. to collect the pulverized by using a grinding means and then sorted the crushed waste aggregate by particle size By separating the stored in the cold bin 112 of the aggregate storage unit 110.
  • the aggregates may be classified by particle size and stored in the cold bins 112 of the aggregate storage unit 110 by dimensions, respectively, and by increasing the number of cold bins 112, the waste aggregates and the new aggregates are separately stored in the cold bins 112. ) And then discharged by the discharge control port 114 provided in the lower portion of the cold bin 112 according to the mixing ratio of the waste aggregate and the new aggregate by the particle size of each aggregate aggregate conveying conveyor (212) It can also be transferred via.
  • aggregates having different aggregate types and particle sizes are discharged through the discharge control unit 114 provided at the lower portion of the cold bean 112 according to the blending content.
  • the aggregates discharged from the cold bin 112 are dropped to the upper portion of the transfer conveyor 212, and in this state is transferred to the mixing unit 410 by the transfer conveyor 212.
  • the reforming additive supply unit 310 supplies a fixed amount of the reforming additive to the transported aggregate.
  • the aggregate and the reforming additive conveyed by the conveying conveyor 212 are supplied to the inside of the outer cylinder 412 through the first hopper 414 of the mixing unit 410, and is supplied to the inner side of the outer cylinder 412
  • the waste aggregate moves in the direction of the outlet 418 of the outer cylinder 412 while being agitated by the stirring member 430 provided on the outer circumferential surface of the inner cylinder 420 rotating by the motor 446 of the power transmission unit 440. Done.
  • the waste aggregate is the first hopper 414 of the outer cylinder 412
  • the second hopper 416 of the outer cylinder 412 New aggregates are added to each other to be mixed inside the mixing unit.
  • the aggregate aggregate may be supplied into the mixing unit 410 using one first hopper 414.
  • the liquid material is introduced through the third hopper, and a plurality of separate hoppers (not shown) may be formed in the outer cylinder 412, and new asphalt, a regeneration additive, and a fiber material may be separately added to each other. .
  • the stirring member 430 causes shear friction and transfers the aggregate and the organic additive in the spiral direction.
  • the molten liquid is heated and melted by friction heat generated and indirect heating transmitted from the inner cylinder 420, and the molten liquid coats the heated aggregate, and the coated aggregate is mixed with each other to move to the outlet 418.
  • the stirring members 430 continuously arranged at regular intervals at the time of the movement of the material have an empty space without shear movement between neighboring stirring members 430.
  • the preceding mixed aggregate located in the empty space is reversed due to the inability to shear movement and meets with the following material, which causes shear movement to move forward to further promote the mixing of the materials.
  • the discontinuous stirring member 430 also serves to reduce the load of the power transmission unit 440 that is required to rotate the inner cylinder 420 by shearing only the mixed aggregate of the contact surface excluding the mixed backflow aggregate.
  • the length of the stirring member 430 and the distance between the stirring member 430 may be adjusted in consideration of the mixing role according to the shear friction of the material and the load reducing role of the power transmission unit 440 at the same time.
  • the heater rod of the heating unit 450 when the aggregate and the organic additives (new asphalt, modified additives, new additives, etc.) are moved while mixing by shear friction of the stirring member 430 according to the rotation of the inner cylinder 420 Heat is dissipated at 452, and heat is transferred to the material by indirect heating to melt organic additives in the material to form a uniform mixed liquid, which is the outer circumference of the stirring member 430, aggregate, and inner cylinder 420.
  • By covering the inner circumference of the outer cylinder 412 it serves as a lubricant to reduce friction.
  • This lubrication role facilitates the rotation of the inner cylinder 420 by reducing the friction between the aggregate and the stirring member 430, the aggregate, and the outer peripheral surface of the aggregate and the inner cylinder 420, promotes uniform mixing of the material and the stirring member 430 It moves in the spiral direction by.
  • the aggregate made by mixing while moving in the spiral direction by the rotation of the inner cylinder 420 is to be discharged to the outlet 418 of the outer cylinder 412.
  • ascon discharged to the outlet 418 of the outer cylinder 412 may be transported in a transport dump truck to be reused for road pavement construction, etc., or stored in a separate storage silo 510 to a transport dump truck as needed. It can be used for road pavement construction by carrying and loading.
  • the waste heat discharged from the inside of the inner cylinder 420 is circulated through the recovery pipe 462 to heat the first hopper 414 of the outer cylinder to preheat the waste aggregate introduced into the first hopper 414,
  • the waste heat discharged to the outside of the inner cylinder 420 can be recycled to prevent heat loss.
  • FIG. 7 is a view showing another embodiment of the mixing unit according to the present invention.
  • one side portion of the inner cylinder 420 that is, the direction in which the first hopper 414 of the outer cylinder 412 is formed is a direction in which the outlet 418 of the outer cylinder 412 is formed by a small diameter pipe 420a.
  • Silver is a large diameter tube 420c, and a conversion tube 420b whose diameter gradually increases is formed between the small diameter tube 420a and the large diameter tube 420c.
  • each tube can be adjusted according to the design of the designer.
  • the reason for dividing the inner cylinder into three parts is to perform different functions.
  • the small diameter tube 420a portion facilitates the feeding and conveying of the material, and the conversion tube 420b portion causes strong shear friction on the compressed and compressed material of the conveyed material to accelerate the melting, and the large tube (
  • the portion 420c is characterized in that it is designed to discharge the mixed material after completion of the melting and homogeneous mixing.
  • FIG. 8 is a view showing another embodiment of the mixing unit according to the present invention.
  • the heating unit 450 installed in the inner cylinder 420 of the mixing unit 410 is provided with a burner 454 such that a flame opening is positioned at one side of the inner cylinder 420.
  • waste aggregates, new aggregates and organic additives supplied to the first, second and third hoppers 414, 416 and 417 of the outer cylinder by the rotation of the inner cylinder 420 are stirred by the stirring member 430. This is done while the heat generated by the flame emitted from the burner 454 when moved in the spiral direction is indirectly transferred to the mixed material to the heat exchange.
  • the conventional burner heating method is closer to direct heating rather than indirect heating in a strict sense, since the heating part and the aggregate conveying part are made inside a drying container.
  • the present invention is composed of a double cylinder material is transferred in the inner cylinder, the heating is started from the inner surface of the inner cylinder to transfer the heat to the material of the peripheral surface is completely separated material transfer and heat transfer.
  • FIG. 9 is a view showing another embodiment of the mixing unit according to the present invention.
  • a plurality of partitions 422 are provided on the inner side of the inner cylinder 420 provided at one side of the burner, and a plurality of through holes 424 are formed in each of the partitions 422. .
  • the heat of the flame emitted from the burner 454 is stagnated by the partition 422 provided on the inner side of the inner cylinder 420, and the stagnant hot air sequentially opens the through holes 424 formed in the partition 422.
  • the heat generated by the flame emitted from the burner 454 is discharged by the partition 422 by causing the burner 454 to be discharged in the opposite direction to the inner cylinder 420 in which the burner 454 is moved in such a manner as to move between neighboring partitions 422. It gradually moves to the other side, maximizing the thermal efficiency and at the same time supplying a lot of heat to the mixed aggregate is made better mixing.
  • FIG. 10 is a view showing another embodiment of the mixing unit according to the present invention.
  • the heating unit 450 installed in the inner cylinder 420 of the mixing unit 410 to dissipate heat is provided with a plurality of heating wires 456 in a manner that is attached to the inner circumferential surface of the inner cylinder 420. .
  • the plurality of heating wires 456 installed on the inner circumferential surface of the inner cylinder 420 is generated by the power supplied from the outside, the heat emitted from the heating line 456 is transferred to the inner cylinder 420, the first,
  • heat is made. As a result, it helps the mixing of waste aggregate and new aggregate well, and also prevents rapid oxidation aging.
  • FIG. 11 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • the outer circumferential surface of the outer cylinder 412 is provided with a heating member 470 inside the inner cylinder 420 for the purpose of dissipating heat to quickly increase the material temperature located inside the outer cylinder 412.
  • the heating member 470 is provided in a coil or heating wire winding the outer circumferential surface of the outer cylinder in a coil shape, a heating rod for wiring in the longitudinal direction of the outer cylinder 412, or a heating panel covering the outer circumferential surface of the outer cylinder 412, the outer cylinder 412
  • a heating band for circulating the heating tube or a heating band covering the outer cylinder 412 may be provided.
  • the outer circumferential surface of the outer cylinder 412 is provided with a heat insulator 472 that blocks the heating member 470 outside the outer cylinder 412 and the heat dissipated from the inside of the outer cylinder 412 to the outside.
  • the screw shaft 474 is installed on one side of the outer cylinder 412 to adjust the input amount and speed so that the waste aggregate is injected into the first hopper 414 to which the waste aggregate is introduced, in accordance with the speed at which the inner cylinder 420 rotates.
  • Sprocket 476 is provided at the upper end of the screw shaft 474, and the motor 478 is connected by the sprocket 476 and the chain 477 to rotate the screw shaft 476. do.
  • FIG. 12 is a view showing another embodiment of the central continuous ascon production apparatus according to the present invention.
  • an outlet 418 is formed at one side portion of the outer cylinder 412, that is, the other longitudinal end portion in which the first, second and third hoppers 414, 416 and 417 are formed.
  • a small tube is formed at the end of the large tube of the outer cylinder 412, the outlet 418 is formed in this small tube, the produced ascon is discharged through the outlet 418.
  • the diameter of the inner cylinder 420 is also small at a constant interval with the diameter of the outer cylinder, but the small ratio is small pipe 421 of the inner cylinder 420 within the range that the amount of material transfer in the large pipe portion remains unchanged.
  • a screw 421a is formed around the small tube 421 to discharge the material conveyed between the inner cylinder 420 and the outer cylinder 412 to the outlet 418 using the screw 421a.
  • the screw 421a is formed only up to the discharge port 418, and after that, only the small pipe 421 is extended without the screw 421a to be fixed to the end with a bearing to maintain the balance of the inner cylinder 420.
  • the power transmission unit 440 for rotating the inner cylinder 420 is installed in the inner cylinder 420 in the direction in which the first hopper 414 is provided.
  • the recycled ascon discharged to the outlet 418 of the outer cylinder 412 is stored in the storage 510 between the transfer belt using a transport belt, or loaded on a dump truck and transported to the site.
  • the smoke is generated along with the recycled ascon discharged through the discharge port 418 is provided with a steam recovery unit 480 for recovering the pollutant in the smoke.
  • the steam recovery unit 480 is provided with a recovery pipe 482 that is vertically installed to cross the outlet 418 of the outer cylinder 412, the upper portion of the recovery pipe 482 is a bent portion formed in a horizontal direction
  • the discharge pipe 484 is fixedly fixed to this bent portion.
  • the outermost position of the discharge pipe 484 is provided with a blowing fan 486 for generating a suction force to suck the smoke discharged from the discharge port 418 of the outer cylinder 412, the discharge pipe 484 immediately inside
  • the air purifier 485 for trapping harmful gases CO 2 , NO x , SO x , etc. in the smoke is installed in the air purifier, and the air purifier 485 has various catalysts for collecting harmful gases (active carbon, honeycomb catalyst). , Membrane catalyst, automobile exhaust gas removal catalyst, and various other catalysts).
  • the exhaust pipe 484 before the air purifier 485 is provided with a heat exchanger 490 for cooling the steam and oil vapor in the smoke
  • the heat exchanger 490 is formed of a coil shape or a large surface area structure and the discharge pipe It consists of a cooling section 484a connected to 484, and a cooling cylinder 492 formed so that the cooling section is located inside.
  • a cooling water supply port 494 is provided at one upper portion of the cooling cylinder 492 to supply cooling water to the cooling cylinder 492, and a cooling water discharge opening for discharging cooling water having recovered heat from the cooling section 484a is provided at the lower side. 496 is formed.
  • the smoke generated at the outlet 418 of the outer cylinder 412 is purified while passing through the heat exchanger 490 and the air purifier 485 sequentially located in the starting direction of the discharge pipe 484, and finally by the blowing fan 486 Emitted to the atmosphere.
  • the exhaust pipe 484 is formed on the other side of the discharge pipe 484 provided with the blower fan 486, the air purifier 485, and the heat exchanger 490, and a cooling section of the heat exchanger 490 is formed thereunder.
  • a liquid recovery container 488 for recovering the liquefied water vapor and oil vapor at 484a is provided.
  • waste ascon injected into the first hopper 414 is moved to the discharge port 418 by the rotation of the inner cylinder 420 is discharged regenerated ascon is discharged is received in the storage 510.
  • the liquid condensed in the heat exchanger 490 is recovered in the liquid recovery container 488, the harmful gas is collected by the catalyst in the air purifier 485, the catalyst function when the catalyst is saturated with harmful gas after a certain period of time This loss results in the replacement of a new catalyst.
  • Figure 13 is a block diagram showing a central continuous ascon production method according to the present invention.
  • the central continuous ascon production method collects and crushes the waste ascon generated by road construction, and stores the crushed waste aggregate in each of the plurality of cold bins 112 by particle size.
  • the waste aggregates stored in the plurality of cold bins 112 are discharged by adjusting the discharge control port 114, the granules of different particle sizes according to the mixing ratio and seated on the upper portion of the conveying conveyor (212).
  • a reforming additive which is solid particles, is added in the additive supply unit 310 so that the waste aggregate transported by the transfer conveyor 212 may have improved physical properties.
  • the first hopper formed in the outer cylinder 412 of the mixing unit 410 after the reforming additive is supplied from the additive supply unit in the process of moving the waste aggregate discharged from the cold bin 112 by using the transfer conveyor 212
  • the new aggregate is injected into the second hopper and the organic additive is injected into the third hopper, and the mixed material is mixed by the stirring member 430, and at the same time, heat is exchanged to the mixed material by the heating unit 450.
  • the waste aggregate supplied to the first hopper 414 of the outer cylinder 412 is moved in a spiral direction by the stirring member 430 provided on the outer side of the inner cylinder 420 while the inner cylinder 420 rotates,
  • the waste aggregate moves in a spiral direction
  • the new aggregate is introduced through the second hopper 416, and the organic additive is added through the third hopper 417, the mixed aggregate moves.
  • the aggregate conveyed by the conveying conveyor 212 is supplied to the heating unit 410 and stirred to mix the aggregates having different particle sizes with each other and at the same time by applying heat to make the heat exchange to the finished ascon outlet ( Received ascon discharged to the outside through the 418 is supplied is to be stored in the storage silo 510. (S150)
  • the ascon stored in the storage silo 510 is loaded and transported in a transport dump truck to be used for road pavement construction and the like.
  • the ascon produced in the mixing unit 410 may be reused for packaging work so as not to be stored in the storage silo 510 immediately loaded into the transport dump truck.
  • This mobile continuous ascon production apparatus can be widely applied to the road pavement industry as a mobile ascon production equipment capable of producing new ascon, recycled ascon mixed with new and used ascon, or entirely recycled ascon at the road site.
  • most ascon production equipment has limitation of recycled ascon production equipment that can produce recycled ascon using up to 50% of waste ascon and the rest of new ascon, but this equipment can recycle up to 100% waste ascon without new aggregate.
  • Industrial applicability is greater than existing equipment.
  • the production of uniform ascon by mixing the materials more effectively than the existing new ascon or recycled ascon production equipment produces a large amount of output per unit time, and the production space and facilities are simplified because there is no need for dust collecting facilities. Is greatly increased.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Road Paving Machines (AREA)

Abstract

La présente invention porte sur un appareil de type central pour la production de béton asphaltique en continu et sur un procédé pour celui-ci, et plus particulièrement, sur un appareil de type central pour la production de béton asphaltique en continu et sur un procédé pour celui-ci, de façon à produire du béton asphaltique en continu dans un endroit fixe et, en même temps, obtenir un béton asphaltique de haute qualité par utilisation d'une grande quantité d'agrégat recyclé et de nouveau agrégat tout d'abord, ou par utilisation soit de déchets d'agrégat soit de nouveau béton à température ambiante uniquement. Pour atteindre l'objectif ci-dessus, la présente invention comprend : une partie de stockage d'agrégat pour stocker des agrégats en fonction de la taille de particules ; une partie de transport d'agrégat pour transporter les agrégats qui sont déchargés à partir de la partie de stockage d'agrégat ; une partie d'alimentation en additif pour délivrer un additif de reformage à l'agrégat qui est transporté par la partie de transport d'agrégat ; et une partie de mélange pour délivrer un additif organique à l'agrégat et à l'additif de reformage et mélanger celui-ci.
PCT/KR2012/006398 2011-08-18 2012-08-10 Appareil du type central pour production de béton asphaltique en continu et procédé pour celui-ci WO2013025019A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110082128A KR101136204B1 (ko) 2011-08-18 2011-08-18 연속식 아스콘 생산장치 및 그 방법
KR10-2011-0082128 2011-08-18

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WO2013025019A2 true WO2013025019A2 (fr) 2013-02-21
WO2013025019A9 WO2013025019A9 (fr) 2013-04-25
WO2013025019A3 WO2013025019A3 (fr) 2013-06-13

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CN108704595A (zh) * 2018-07-23 2018-10-26 合肥誉盛新材料有限责任公司 一种sbs胶乳改性沥青生产装置
CN113718609A (zh) * 2021-09-07 2021-11-30 广西北投交通养护科技集团有限公司 一种用于道路面层的旧混凝土就地再生机及其作业方法
CN114471323A (zh) * 2022-01-26 2022-05-13 沧州禹道建设工程有限公司 一种建筑垃圾粉碎粗集料改性制备再生骨料装置
CN117385693A (zh) * 2023-11-24 2024-01-12 四川新巩固建材有限公司 一种沥青温拌和改性生产装置

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KR101533375B1 (ko) * 2015-02-16 2015-07-03 주식회사 서원건설산업 계량 제어가 가능한 가열아스콘 및 상온재생아스콘 제조장치
KR101713645B1 (ko) * 2016-01-06 2017-03-08 주식회사 시티오브테크 이동식 현장 아스콘 제조시스템 및 그 제조방법, 이러한 방법으로 제조된 이동식 현장 아스콘 및 이동식 현장 아스콘을 이용한 도포 포장방법
KR101755636B1 (ko) * 2016-01-06 2017-07-10 주식회사 시티오브테크 현장 아스콘 재생시스템 및 그 제조방법, 이로부터 제조된 재생 아스팔트 혼합물, 그리고, 현장 재생 아스콘을 이용한 도로 포장방법
KR20230172975A (ko) 2022-06-16 2023-12-26 송민준 도로 포장용 아스팔트 아스콘의 펠렛 제조 장치
CN116620887B (zh) * 2023-05-24 2024-07-05 中交二航局第四工程有限公司 一种自动换仓的骨料仓布料方法

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CN108704595A (zh) * 2018-07-23 2018-10-26 合肥誉盛新材料有限责任公司 一种sbs胶乳改性沥青生产装置
CN113718609A (zh) * 2021-09-07 2021-11-30 广西北投交通养护科技集团有限公司 一种用于道路面层的旧混凝土就地再生机及其作业方法
CN114471323A (zh) * 2022-01-26 2022-05-13 沧州禹道建设工程有限公司 一种建筑垃圾粉碎粗集料改性制备再生骨料装置
CN117385693A (zh) * 2023-11-24 2024-01-12 四川新巩固建材有限公司 一种沥青温拌和改性生产装置

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WO2013025019A9 (fr) 2013-04-25
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