KR200351047Y1 - A manufacfuring device of recycling aggregate with construction waste - Google Patents

Abstract

The present invention relates to an apparatus for improving the aggregate of the recycled aggregate in the process of producing recycled aggregate using waste concrete and producing a high-quality recycled aggregate, the manufacturing apparatus is a shaft in the classifier case of the conventional type, and the classifier case In the cylindrical particle size sorter which can be rotated, the granular regeneration device which improves the shape of circulating aggregate in front of the particle size sorter, the blower which forms a vortex inside the classifier, and the circulating aggregate discharged to the side of the particle size sorter. It consists of a water particle injection mechanism for spraying water, a cyclone for collecting the mortar separated from the aggregate, and a screen clogging prevention device for preventing clogging of the sorting screen by the aggregate in the particle size classifier. Select circulating aggregate and remove dry matter such as mortar contained in circulating aggregate dry. Can and is a circulating aggregate manufacturing device for improving the shape of the circulating aggregate.

Description

Recycled aggregate manufacturing device {A manufacfuring device of recycling aggregate with construction waste}

The present invention relates to a device for manufacturing circulating aggregate in the process of manufacturing recycled aggregate using waste concrete, which is a natural aggregate state by pulverizing the waste concrete to a predetermined size or less to remove the surface mortar and improve the shape of the recycled aggregate The present invention relates to a circulating aggregate manufacturing apparatus for producing a circulating aggregate of good quality.

Conventional construction waste is composed of waste concrete, waste asphalt, waste soil, mixed waste, inflammable waste is incinerated, waste concrete and waste asphalt are processed through a crusher or the like.

The application of the present invention is for waste concrete, which is crushed to 50-150mm by the first jaw crusher and secondly crushed to 40mm or less by using the jaw crusher or the cone crusher, The whole amount is transferred to the third process to produce recycled aggregates of 5mm or less, 13mm and 20mm.

Foreign materials such as vinyl, plastic, wood, etc. contained in the aggregate are separated by the wind sorting device and the wet processing device to be produced as the final recycled aggregate.

However, circulating aggregates are made of cyclic aggregates with poor quality due to mortar, which is a concrete component, and high absorption and wear loss.

In addition, the circulation aggregate of less than 5mm contains a large amount of the mortar component has a high absorption rate and foreign matter content and bad granules because the mortar component is attached to the aggregate surface. In order to improve such a problem, the invention of a circulating sand manufacturing apparatus and a manufacturing method for removing mortar by using a cyclone, a blower, and a particle size sorter in a circulating aggregate production process was proposed as Korean Patent Application No. 10-2003-0089818, and devised it. The circulating aggregate manufacturing apparatus was devised.

The present invention was devised to solve the problems as described above, to select the circulating aggregate with a particle size of a predetermined size or less, to remove foreign substances such as mortar contained in the circulating aggregate by a dry method and to form the shape of the circulating aggregate It is an object of the present invention to provide a recycling aggregate manufacturing apparatus for producing a good recycled aggregate by using a recycling apparatus.

1 is a block diagram showing a circulating aggregate manufacturing apparatus using waste concrete according to the present invention.

Figure 2 is a perspective view showing the internal detail of the circulating aggregate manufacturing apparatus using waste concrete according to the present invention.

Figure 3 is a perspective view of the granular regeneration device and the particle size sorter of the circulating aggregate manufacturing apparatus using waste concrete according to the present invention.

Figure 4 is a perspective view of the screen blockage preventing device of the circulating aggregate manufacturing apparatus using waste concrete according to the present invention.

Figure 5 is a process diagram showing an embodiment of a circulating aggregate manufacturing apparatus using waste concrete according to the present invention.

Explanation of symbols on the main parts of the drawings

10: aggregate input hole 11: classifier case

12: aggregate discharge outlet 13: back end network

14 curtain 20 upright playback device

23 screen net 26 iron ball

30: particle size sorter 31: classification screen

33: aggregate jam jaw 34: discharge guide

40: screen clogging device 42: hammer

43: rotating cam 50: blower

60 cyclone 70 water atomizing mechanism

Figure 1 shows the basic configuration of the present invention, the present invention relates to a circulating aggregate manufacturing apparatus for improving the shape of the circulating aggregate in the process of producing circulating aggregate using waste concrete and to produce a high-quality circulating aggregate.

The circulating aggregate manufacturing apparatus includes a cylindrical classifier case 11, a cylindrical particle size classifier 30 provided with a axial rotation in the classifier case 11, and a particle size of the circulating aggregate in front of the particle size classifier 30. Water regeneration apparatus 20 for spraying water on the recycling apparatus 20, the blower 50 for forming a vortex into the particle size sorter 30, and the circulating aggregate discharged to the side of the particle size sorter 30 It consists of a mechanism 70, a cyclone 60 for collecting the mortar separated from the aggregate, and a screen blockage preventing device 40 for preventing the blockage of aggregate on the sorting screen 31 of the particle size classifier 30. It is composed of a circulating aggregate manufacturing apparatus for sorting the circulating aggregate to a particle size of a predetermined size or less to dryly remove foreign substances such as mortar included in the circulating aggregate and improving the shape of the circulating aggregate.

Aggregate inlet 10 is provided at one side of the sorter case 11, and aggregate discharge ports 12a and b are provided at the lower portion to discharge aggregates having a predetermined size or less, and aggregate discharge ports at which other aggregates are discharged. 12c) is provided, the rear end net 13 is provided on one side of the aggregate discharge port 12c, the curtain inlet 10 and the aggregate discharge port 12c are provided with both curtains 14, the sorter case ( 11) The cyclone 60 is in communication with one side.

The standing regeneration device 20 is provided at the front end of the particle size classifier 30, and is provided with an axial rotation to the inside of the classifier case 11 to introduce the aggregate through the aggregate inlet 10, the inner sidewall The standing regeneration device 20 having a plurality of through holes of about 10 mm is provided with a screen net 23, and the outside is provided with a side case 21 and a front case 22 made of an iron plate. The inner standing reproducing apparatus 20 has a space of about 10-15 cm between the screen net 23 and the outer side case 21, and divides the two compartments with two vertical protrusions 25 on the inside of each side of 30 mm or more. The steel ball 26 is provided with a large number, and the vertical projection 25 in the standing regeneration device 20 has a large number of gaps of about 10-15 mm so that the steel ball 26 can not be pulled out, and the aggregate and mortar are provided in the gap. The horizontal protrusions 24 are placed on four steel frames forming the horizontal skeleton of the vertical regeneration apparatus 20, and each of the horizontal protrusions 24 of about 10 mm is placed to drive the vertical regeneration apparatus 20. The cast iron 26 was driven to a certain distance together to increase the efficiency of mortar desorption work in the aggregate.

The side case 21 and the front case 22 of the standing regeneration apparatus 20 are installed by using a bolt or a screw so as to be separated to facilitate repair in the standing regeneration apparatus 20.

In addition, the size of the through hole of the screen net 23 of the standing reproducing apparatus 20 is about 10 mm, and the size of the predetermined through hole is varied according to the driving method, and the steel ball 26 according to the size of the through hole. The size of the iron ball 26 was also prevented from leaking out.

Aggregate introduced into the standing regeneration apparatus 20 through the aggregate inlet 10 of the sorter case 11 is aggregated to 10 mm or less through the screen net 23 of the standing regeneration apparatus 20, and then into the steel ball. Separation of the mortar and foreign matter attached to the aggregate surface by the flow with (26), and improves the aggregate shape of the aggregate flows into the particle size sorter (30) equipped at the rear end, the aggregate more than 10mm particle size classifier without going through the pretreatment step Inflow to (30).

The particle size sorter 30 is connected to the rear end of the standing regeneration apparatus 20 in the classifier case 11 and has a sorting screen 31 formed of a plurality of through holes in the side wall. In addition, the partition 34 in the particle size classifier 30 is formed on the inner wall extending in the radial direction with a predetermined interval along the circumferential direction with a thickness of 30-50 mm on the four skeletons of the particle size classifier 30, and The sorter side frame 32 formed at right angles has an aggregate catching jaw 33 having a thickness of 30-50 mm in the radial direction.

The aggregate catching jaw 33 is provided in accordance with the number of the classifier side frame 32, respectively, each aggregate catching jaw 33 is to be installed to operate with both sides staggered.

The particle size classifier 30 is provided with one or more classification screens 31 so as to be detachable to the classifier side frame 32 of the particle size classifier 30, and the first classification screen 31a of the particle size classifier 30 is provided. By using the through-hole 0.08-0.1mm particle size screen, the mortar desorbed from the standing regeneration apparatus 20 is included in the recycled aggregate product to prevent the manufacture of the defective recycled aggregate, and then the sorting screen 31b. In order to vary the particle diameter of the through-holes of a predetermined size, the aggregates were selected by predetermined sizes such as 5 mm or less, 13 mm, and 20 mm to produce circulating aggregates.

In addition, the discharge guide plate 35 is provided at the end of the particle size sorter 30 to facilitate the discharge of aggregates having a predetermined size or more to the rear end of the particle size sorter 30.

The aggregate introduced into the particle size classifier 30 is classified according to the size of the aggregate through the sorting screen 31 and discharged to the outside through the aggregate discharge port 12, and the discharged circulating aggregate is discharged to a predetermined place through the conveyor belt. Is moved.

In addition, the aggregate having a predetermined size or more penetrating in the axial direction through the particle size classifier 30 is discharged to the outside through the aggregate discharge port (12c) of the classifier case 11 is transferred to a predetermined place through the conveyor belt or crushed tertiary Transferred to the device, shredded to a predetermined size and recycled.

The particle size classifier 30 has a wire mesh, a rubber net, and a urethane net to increase the sorting efficiency by penetrating particles of various sizes, and through the aggregate catching jaw 33, the aggregate is separated from the particle size sorter 30. It prevented a sudden outflow, and prevented the mortar and dust flow back to the aggregate inlet 10 or aggregate outlet 12 through the curtain 14, through the rear end net having a particle diameter of 2-5mm The fine aggregate and the like were prevented from rapidly leaking into the cyclone 60.

The screen clogging prevention device 40 is provided on the side of the particle size classifier 30 inside the classifier case 11, so that the aggregate is blocked on the classification screen 31 by striking the classifier side frame 32 at a predetermined time period. To prevent them. The screen blockage preventing device 40 includes a rotating shaft 41 provided with a motor, a hammer 42 formed of a hammer, a spring 43 for amplifying the strength of the hammer 42, and a hammer at the rear of the hammer 42. It is provided with a rear end projection (45) to interlock with the rotary cam 44 fixed to the rotary shaft 41 to drive the sorting screen (31) with a predetermined force using the hammer 42 in accordance with the operation of the rotary cam (44). By hitting the classifier side frame 32 of the) was to prevent clogging of the sorting screen (31).

The rotary cam 44 is different in the shape of the width, while rotating the rotary cam 44 to change the working distance of the hammer 42 to hit the classifier side frame 32 with the motion moment of the hammer 42. It was.

The hammer 42 of the screen clogging prevention device 40 can be provided differently according to the number of the classifier side frame 32 of the particle size classifier 30, the rotary cam (34) The operation efficiency of the hammer 42 was improved by striking 44) at a time or striking at a different time.

Exhaust guides are formed on the inner walls of the aggregate discharge ports 12a and b of the sorter case 11 so as to be alternately formed at predetermined angles to minimize dust generation during discharge of the circulating aggregate.

The blower 50 is installed above the central axis of the standing regeneration apparatus 20 to separate the aggregate from the mortar by forcibly blowing air into the standing regeneration apparatus 20.

The water fine particle injection mechanism 70 suppresses the generation of dust by spraying water to a predetermined aggregate discharged to the aggregate discharge port 12 of the classifier case 11, and also prevents water from being generated at the discharge end of the cyclone 60. Minimize dust generation by mortar discharged by spraying.

The cyclone (60) is provided in communication with one side of the classifier case (11), and collects the mortar separated from the aggregate by blowing in the vertical regeneration device 20 and the particle size classifier (30) through a suction mechanism and It is discharged by a predetermined amount.

Here, the tip of the aggregate inlet 10 of the classifier case 11 is provided higher than the cyclone 60 to minimize the generation of dust.

In addition, the vertical regeneration device 20 and the particle size classifier 30 may be installed separately, and provided with the vertical regeneration device 20 at the front end of the particle size classifier 30 or discharged through the particle size classifier 30. By inputting a predetermined size of aggregate to the standing regeneration apparatus 20 it is possible to produce a good quality recycled aggregate.

Circulating aggregate manufacturing apparatus according to the present invention is further provided with a crusher to crush the aggregate to supply to the aggregate inlet 10 of the classifier case 11, and further provided with a magnetic separator, the aggregate inlet of the classifier case 11 ( 10) to remove the metal contained in the aggregate supplied to.

The crusher uses a roll crusher, a dough crusher, an impact crusher, a sand mill, a rod mill, and the like.

The apparatus for producing circulating aggregate according to the present invention includes a crushing device for crushing waste concrete into particles of a predetermined size, a magnetic separator for removing metal by magnetic force from the crushed aggregate, and wind power for removing foreign matters by using wind power on the crushed aggregate. Separation device, a standing regeneration device 20 for separating foreign matters such as mortar attached to the surface of the aggregate and improving the shape, a turbulence screening device for separating the mortar by applying turbulence to the aggregate, and a predetermined size among the aggregates in which mortar is separated It consists of the particle size sorter 30 which sorts by.

The shredding device is a primary crushing step of crushing the waste concrete to 50-150mm using a jaw crusher, a second crushing step to crush 40mm or less using a jaw crusher and a crusher, roll crusher, dough crusher, impact crusher It consists of a third crushing step using a crusher, such as a sand mill, a rod mill.

The magnetic separator selects metal to remove aggregates by applying magnetic force to the aggregate crushed by the crushing apparatus, and the wind turbine selector removes foreign substances with wind power.

The turbulence sorting device separates the mortar from the aggregate by applying turbulence to the aggregate using the blower 50 inside the standing regeneration apparatus 20 and the particle size classifier 30, and removes the mortar from the aggregate. By sorting the aggregates below a predetermined size through the classifier 30, it is possible to produce a circulating aggregate.

As described above, according to the circulating aggregate manufacturing apparatus according to the present invention, the circulating aggregate is sorted by a particle size of a predetermined size or less, and the morph aggregate of the circulating aggregate is improved by using a granular regeneration apparatus, By desorption, foreign matters such as mortar contained in the circulating aggregate can be removed by the dry method, and the dry method minimizes dust generation, thereby producing high-quality circulating aggregate similar in quality to the natural aggregate.

Claims (8)

Aggregate inlet 10 is provided on one side, aggregate discharge outlets (12a, b) for discharging the aggregate below the predetermined size is provided at the lower side, the aggregate discharge port (12c) is provided with the aggregate discharged to the other side of the predetermined size or more; A classifier case 11; A granular regeneration apparatus is provided to enable axial rotation inside the sorter case 11 and to regenerate the granular granules while removing the mortar component contained in the aggregate introduced into the aggregate inlet 10 of the classifier case on the side wall. 20); A tubular particle size sorter (30) having a plurality of through-holes connected to the rear end of the standing regeneration device (20) for sieving aggregates; Circulating aggregate manufacturing apparatus including a blower (50) for forming a vortex inside the vertical regeneration apparatus 20 and the particle size classifier (30). The apparatus of claim 1, further comprising: a screen net (23) provided inside the vertical playback device (20); A standing regeneration device 20 having a side case 21 and a front case 22 provided to be detachable from the outside of the screen net 23; A metal ball 26 provided to detach mortar adhered to the surface of the aggregate between the screen net 23 and the side case 21 of the standing regeneration apparatus 20; Circular aggregate manufacturing apparatus comprising ;; horizontal projections 24 and vertical projections 25 of the standing regeneration device 20 provided to facilitate the movement of the metal ball 26. The tubular partition 34 is provided in the particle size classifier 30 along the horizontal axis direction at predetermined intervals, and the aggregate catching jaw 33 is provided in the vertical axis direction to effectively prevent the aggregate. Screening; Circular aggregate manufacturing apparatus having a discharge guide plate 35 to facilitate the discharge of the aggregate at the rear end of the particle size classifier (30). The apparatus of claim 1, wherein the particle size classifier (30) is provided with one or more sorting screens (31) to sort the circulating aggregate of a predetermined size according to the particle size. The cyclone (60) according to claim 1, further comprising: a cyclone (60) communicating with one side of the classifier case (11) and collecting mortar of the particle size classifier (30); Screen clogging prevention device 40 provided with a hammer 42 and the rotary cam 44 to prevent the through hole of the sorting screen 31 in the side of the particle size sorter 30; Circulating aggregate manufacturing apparatus. According to claim 1, wherein the aggregate discharge port 12 of the classifier case 11 is provided with a water particulate injection mechanism 70, characterized in that the discharge guide is formed to protrude obliquely on the inner wall of the aggregate discharge port (12). Circulating aggregate manufacturing apparatus. The crusher of claim 1, further comprising: a crusher for crushing the aggregate supplied to the aggregate inlet 10 of the classifier case 11; And a magnetic separator for removing metals contained in the aggregate supplied to the aggregate inlet 10 of the classifier case 11. The apparatus of claim 1, further comprising: the vertical regeneration device (20) and the particle size classifier (30) connected to each other; Recycling aggregate manufacturing apparatus, characterized in that the order of the particle size classifier 30 and the granular regeneration device 20 to be separated by another operation.