KR101020265B1 - Foreign Meterial Sorting Device of The Recycled Aggregates - Google Patents

Abstract

The present invention relates to an apparatus for separating foreign matter adhered to the recycled aggregates, and more specifically, to allow the reinforcement of the upper and lower straits in the axial direction to the drum inner surface into which recycled aggregates for recycling from construction wastes are repeatedly formed. The inside of the recycled aggregate is provided with a plurality of rotary wheels coupled in the axial direction is hit by the rotary wheels to hit the inner surface of the drum to separate the foreign matter, such as dirt, dust, cement crushed particles attached to the recycled aggregate, and the foreign matter is recycled separated The aggregate is related to the foreign matter separation device of the recycled aggregates to increase the foreign matter removal rate by a multi-stage process that is supplied to the rotary wheel of the lower end by the bending of the drum inner surface to get a cleaner recycled aggregate.

The foreign matter separation device of the recycled aggregate of the present invention is a drum having an inlet formed in the upper portion and an outlet formed in the lower portion to separate foreign substances such as soil, dust, lime, etc. attached to the recycled aggregate such as sand or gravel recovered from construction wastes; In the foreign matter separation apparatus of the recycled aggregate including a rotary shaft mounted inside the drum and rotated by the power of the motor, and a rotary wheel installed on the rotary shaft hitting the recycled aggregate, the drum has an inner surface of the drum Conical bend is made of a multi-layer structure formed in the axial direction, the rotary difference is provided with a plurality of striking wings radially, corresponding to each bent layer formed on the drum.

Recycled Aggregate, Foreign Material, Separation, Drum, Swivel, Blow Wing

Description

Foreign Meterial Sorting Device of The Recycled Aggregates}

The present invention relates to an apparatus for separating foreign matter adhered to the recycled aggregates, and more specifically, to allow the reinforcement of the upper and lower straits in the axial direction to the drum inner surface into which recycled aggregates for recycling from construction wastes are repeatedly formed. The inside of the recycled aggregate is provided with a plurality of rotary wheels coupled in the axial direction is hit by the rotary wheels to hit the inner surface of the drum to separate the foreign matter, such as dirt, dust, cement crushed particles attached to the recycled aggregate, and the foreign matter is recycled separated The aggregate is related to the foreign matter separation device of the recycled aggregates to increase the foreign matter removal rate by a multi-stage process that is supplied to the rotary wheel of the lower end by the bending of the drum inner surface to get a cleaner recycled aggregate.

In general, a building constructed of a concrete steel structure is recovered and reused in the demolition process, and in the case of concrete that occupies a large volume, it is disposed of.

These waste concrete is also buried in landfills, such as some reclaimed sites, but most of the waste concrete is dumped on the roadside, backside, or nearby vacant land, causing serious environmental pollution.

In order to solve this problem, a construction waste disposal apparatus has been proposed.

The construction waste disposal device is used to separate waste materials such as crusher to crush waste concrete into proper size, sorting screen to classify crushed waste concrete by size, and foreign materials such as wood, vinyl, rubber, paper and plastic mixed in construction waste. It consists of a foreign material separation device.

In addition, between each crusher and the sorting screen and separation device is installed a conveying conveyor for building waste transport to sequentially transport the crushed building waste.

Aggregates or sands selected using the conventional waste treatment apparatus configured as described above (hereinafter referred to as 'recycled aggregates') are attached with foreign substances such as cement or soil, and these foreign substances are used when the recycled aggregates are used. It causes a decrease in the adhesive strength with, and for this reason, the use of recycled aggregate is reluctant.

In addition, to solve this problem, that is, to avoid the phenomenon of residing in the recycled aggregates, the recycled aggregates are supplied with water, but in order to wash the recycled aggregates with water, not only a large amount of water is required but also a costly problem. There was a problem that the water washed the recycled aggregates contaminated soil or water quality.

Therefore, the present invention is to separate the foreign matter such as soil or small dust attached to the recycled aggregates to solve the above problems by separating and regenerating the foreign matter separating apparatus of the recycled aggregates to provide a cleaner recycled aggregates It aims to provide.

The foreign matter separation apparatus of the recycled aggregate according to the present invention for achieving the above object,

A drum having an inlet formed at an upper portion thereof and an outlet formed at a lower portion thereof so as to separate foreign substances such as dirt, dust, lime, and the like adhering to recycled aggregates such as sand or gravel recovered from construction waste, and mounted inside the drum. In the foreign matter separation device of the recycled aggregate including a rotary shaft rotated to rotate, and the rotary aggregate hitting the recycled aggregate introduced to the rotary shaft, the drum has a multi-layer structure in which the inner surface of the conical bend of the upper and lower strait is formed in the axial direction Is made of, the rotor wheel is provided with a plurality of strike wings radially, corresponding to each curved layer formed on the drum.

In addition, one of the conical curved bent hopper cells, the hopper cells can be stacked by stacking a plurality of hopper cells vertically, the inner surface of the drum is rounded rounded corners of the large diameter of the upper portion of the bending layer Regenerated aggregate scattered by the impact of the rotary car is formed as a negative portion can rise along the curved surface and then flow from the rounding part to be supplied to the rotary car installed in the lower layer.

The foreign matter separation apparatus of the recycled aggregate according to the present invention,

By separating the foreign matter adhering to the aggregate by blowing the recycled aggregate injected into the upper input port and hitting the inner wall of the drum, it is possible to separate the foreign matter adhering to the recycled aggregate from the recycled aggregate without using water to obtain clean recycled aggregate. Of course, there is an effect that can prevent the pollution of water.

In particular, one curved layer formed inside the drum and one rotary car are formed as one hopper cell, and a plurality of the hopper cells are formed in the axial direction so that each time a single hopper cell passes through a multi-stage blow made by the rotary car, foreign matter is made. It can be made easy to separate.

In addition, the rotor blades are formed in a curved surface to minimize the resistance during rotation, as well as the incoming recycled aggregate is hit by the curved blades of the rotor vehicle to be scattered in the outward direction, forming a cut in the top of the blade to hit the recycled aggregate It has become possible to provide a useful device for preventing the scattering of hopper into the upper hopper cell.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

Figure 1a and Figure 1b is a side cross-sectional view and a partially enlarged view showing an example of the foreign matter separating apparatus of the recycled aggregate according to the present invention, Figure 2 is a plan view showing an installation example of the guide disc according to the present invention, Figure 3 is Figure 4 is a perspective view showing a rotary wheel according to an embodiment of the present invention, Figures 4a and 4b is a plan view showing another embodiment of the blow blade of the rotary car according to the invention, Figure 5 is mounted between the upper and lower rotary cars according to the invention 6A and 6B are side cross-sectional views and main portion enlarged views showing another embodiment of a foreign matter separating apparatus of recycled aggregate according to the present invention.

As shown, the foreign matter separating apparatus 10 of the recycled aggregate according to the present invention is inserted into the upper portion 21 to separate the foreign matter, such as dirt, dust, lime, etc. attached to the recycled aggregate, such as sand or gravel recovered from construction waste Is formed and the discharge hole 22 is formed at the bottom, the rotating shaft 30 is mounted to the inside of the drum is rotated by the power of the motor 60, and hitting the recycled aggregate installed in the rotating shaft It comprises a rotary wheel 40 to.

The drum 20 is composed of a cylinder having a space formed therein, and is fixed by the supporting frame 11 and spaced apart from the ground as shown in FIG. 1A. The support frame 11 is used as an auxiliary means for separating the drum of the cylinder to the ground, and as shown in Figure 6a in the case where the drum 20 is divided into a plurality of objects to the load generated during the driving process It is used as a fixing means to prevent the individual objects constituting the drum from being spaced apart. The support frame 11 may be formed as a skeleton to fix the drum, or may be formed in a cylinder such as a drum to prevent the drum from being damaged from external pressure.

The drum 20 fixed to the support frame has an inlet 21 formed at the upper end thereof, and an outlet 22 for discharging the recycled aggregate which has been separated at the lower end thereof. The inlet is preferably formed in a hopper form so that sand or recycled aggregate (hereinafter referred to as recycled aggregate) is easily introduced.

The rotating shaft 30 is installed inside the drum 20. The rotating shaft is rotated by the power of the motor 60, a plurality of rotary cars 40 are installed in the axial direction to hit the recycled aggregate introduced through the inlet to separate the foreign matter.

Such a foreign matter separation device 10 of the recycled aggregates may be formed in the axial direction of the conical bend of the upper and lower strait in the axial direction on the inner surface of the drum 20 to form a multilayer. In addition, the rotary wheel 40 has a plurality of strike blades 42 are formed radially hitting the recycled aggregate injected to be scattered to the curved surface of the drum. At this time, the rotary wheel 40 has one rotary wheel 40 positioned in one of the curved layers 24 formed in multiple layers so that the recycled aggregates hit by the rotary wheels are hit again by the curved layer 24 and then bent downward. It is desirable to allow for the separation of foreign matter by sequential blows that are introduced into layer 24. That is, the recycled aggregate introduced by using the one curved layer 24 and one rotary car 40 as the hopper cell 23 passes through each hopper cell in sequence to separate foreign substances.

At this time, a large diameter corner portion, which is an upper portion of the conical curved layer 24 of the upper and lower straits, is formed as a rounding portion 241 which is rounded as shown in FIG. As well as preventing the recycled aggregates from being inserted, the recycled aggregates scattered by the impact of the rotating wheels rise along the curved surface 242 and are rotated in the rounding part 241 to be supplied to the rotary cars installed in the lower layer.

In addition, the upper end of the rotary shaft 30 may be further installed to guide the recirculation disc 50 is supplied to the recycled aggregates. As shown in Figure 2, the rotary shaft 30 is coupled to the rotary wheel 40, the radial blade of the blade 42 is formed, the portion of the rotor blades close to the rotary shaft hitting the regenerated aggregate due to the weak rotational force it's difficult. In addition to the rotational force, as shown in FIG. 3, the rotary car 40 includes a main body 41 coupled to the rotating shaft and a blown wing 42 fastened to the main body. Since the coupling means 43, such as bolts, are positioned so that the regenerated aggregates are directed to the curved surface 242 of the drum inner surface, the regeneration is avoided by avoiding the coupling portions of the main body 41 and the strike blades 42 of the rotor wheel. Aggregate input should be made.

Therefore, the recycled aggregate into which the installed guide disc 50 is inserted is supplied to the outer side of the blow blade 42 of the wheel, so that the blow is caused by a large rotational force. The radius of the guide disk 50 is preferably formed at a distance from the center of the rotation shaft to the point 1/3 to 1/2 of the blow wing to the outside from the portion coupled to the rotation shaft. In addition, the guide disc may be formed into a cone other than the plate shape so that the added recycled aggregate does not accumulate and is immediately supplied to the blow blade of the lower rotor.

Strike blade 42 of the rotary car 40 hitting the scattered recycled input is formed to have a wide blow surface in the vertical direction in the axial direction as shown in Figure 3 so that the strike of the recycled aggregate is made easily can do. Therefore, the recycled aggregate introduced into the space of one bent layer is hit by the strike blades of the rotor and hits the bent layer on the inner surface of the drum again, and when scattering force is dropped by the impact, it is returned by the falling or rounding part 241 by gravity. And flows into the lower bend layer 24.

In addition, the striking blade 42 may form a curved surface that is bent in the reverse direction of the rotation as shown in Figure 4a to allow the recycled aggregate is blown outwards. If the bent angle is formed too large, the area of intersection between the rotating surface of the hitting blade and the falling recycled aggregate is reduced, and since the hitting by the desired surface is not performed, the recycled aggregate is blown through the shortest possible distance of the drum. It is desirable to form an angle that allows it to scatter to the inner surface. The angle at which the curve is formed is to form the angle of the bending start point and the end point is 15 ~ 50 degrees.

In addition, the blow blade 42 is bent 411 around the point of the blow blade as shown in Figure 4b in addition to the above example to form an angle on the hitting surface, so that the recycled aggregate scattered to the outside through a short distance You can do that. Such bending 411 is preferably formed vertically so that the outer portion of the hitting blade is bent at a predetermined angle, more preferably all the surfaces hitting the recycled aggregate is formed at a constant angle by bending. Do. It is preferable that the angle bent by the bending is also formed in the above-described 15 to 50 degrees so that the effect as described above is exhibited.

In addition, the blow blade 42 may be cut in both the top, bottom or top and bottom to prevent the blown recycled aggregate is directly injected into the upper bending layer or lower bending layer.

When the strike blade 42 is hit at a portion close to the boundary between the bend layers formed inside the drum 20, the hitting recycled aggregate does not escape to the bent layer in space at the hit position, but is located at the top or bottom of the bent layer. Cases are thrown into space. In this way, the recycled aggregate scattered to the top hits the recycled aggregate supplied from the top to the bottom so that the vertical drop is made without colliding with the inner surface of the drum. In this case, since the rotary car 40 and the drum 20 may continue to fall downward along the space between the inner surface, the separation effect of the desired foreign matter may not be achieved.

Accordingly, the upper end of the strike blade 42 forms an upper cutout portion 412 having a downward slope from the rotation axis 30, and the lower end forms a lower cutout portion 413 having an upward slope from the rotation axis to form a gap between the curved layers. It is to remove the blow at the portion close to the boundary to prevent the scattering to other layers as described above.

Rotating wheel 40 having a strike wing radially coupled to the above structure can be arranged to cross the coupling direction between the upper and lower layers as shown in FIG. Such a staggered arrangement is to minimize the shock wave transmitted to the rotating shaft 30 by dispersing the impact by the impact wing, it is possible to prevent the rotation shaft buckling by the shock wave.

On the other hand, the drum may be provided in an independent form in which each curved layer 24 is separated. As shown in FIG. 6A, which is an enlarged view of part B of FIG. 6A and FIG. 6A, the drum 20 may be configured by forming one conical curved layer as an independent hopper cell 23 and stacking a plurality of them vertically. The hopper cell 23 is a cell body 231 integrally formed with an inner surface portion 233 having a conical shape of a light beam and an extension flange portion 234 extending horizontally at upper and lower ends of the inner surface portion, and the two extension plans. It is composed of a shell plate 232 to be inserted between the branches to maintain a gap. The cell body 231 may be formed so that the upper side forming the inner surface of the drum is formed as a rounding part 241 to prevent the recycled aggregate is sandwiched between the stacked hopper cells. The cell body 231 and the cell outer plate 232 may be integrally formed in addition to the separated form as shown. In addition, one rotary wheel may be installed in one of the formed hopper cells so that foreign matter separation by a hit may be performed.

As such, when the drum 20 is composed of the hopper cell 23 composed of the cell body and the cell shell plate, the drum 20 may be stacked and used as many times as desired. There are advantages to it.

Referring to the operating state of the foreign matter separation device of the recycled aggregate configured as described above,

First, when the rotating shaft 30 is rotated by the driving of the motor 60, each of the rotating wheels 40 installed on the rotating shaft rotates. At this time, when the recycled aggregate is introduced through the inlet 21 of the drum, the injected recycled aggregate is hit by the outer portion of the blow blade 42 installed in the bent layer 24 of the uppermost layer by the guide disc 50. The recycled aggregate scattered by the impact hits the surface of the bending layer secondly and rises outward of the rotation axis along the bending surface 242 of the bending layer, and is circulated by the rounding part 241 so that the turning difference and the bending layer are Through the space between the narrow diameter parts, the striking blades of the rotary wheels located in the lower bend layer are hit.

The recycled aggregate introduced in this way is scattered to the outside by the impact of the strike blades 42 and spreads, and then hits the inner surface of the drum 20 to be gathered inward and supplied to the lower layer in a multistage process. Therefore, by applying a number of impacts to the recycled aggregates to separate the foreign matter buried in it to form a slanting angle of the impacted recycled aggregates and the inner surface of the drum obliquely to minimize the damage of the drum while separating the divided foreign matters. Can be.

Figure 1a and Figure 1b is a side sectional view and a partially enlarged view showing an example of the foreign matter separating apparatus of the recycled aggregate according to the present invention.

Figure 2 is a plan view showing an installation example of the guide disc according to the present invention.

3 is a perspective view showing a rotor wheel according to an embodiment of the present invention.

Figure 4a and 4b is a plan view showing another embodiment of the blow blade of the rotor wheel according to the present invention.

5 is a plan view showing an example of mounting between the up and down rotary difference according to the present invention.

6a and 6b is a side cross-sectional view and an enlarged view of a main portion showing another embodiment of the foreign matter separating apparatus of the recycled aggregate according to the present invention.

<Code Description of Main Parts of Drawing>

10: separator

11: support frame

20: drum

21: inlet 22: outlet

23 hopper cell 24: bend layer

231 cell body 232 cell shell plate

233: inner portion 234: extension flange

241: rounding part 242: curved surface

30: rotating shaft

40: rotor wheel

41: main body 42: blow wing 43: coupling means

411: bending 412: upper incision 413: lower incision

50: guide disc

60: motor

Claims (7)

A drum 20 having an inlet 21 formed at an upper portion thereof and an outlet 22 formed at a lower portion thereof so as to separate foreign substances such as dirt, dust, lime, and the like adhering to recycled aggregates such as sand or gravel recovered from construction waste; The foreign matter separating apparatus 10 of the recycled aggregate including a rotary shaft 30 mounted inside the drum and rotated by the power of the motor 60, and a rotary wheel 40 hitting the recycled aggregate introduced to the rotary shaft. To The drum 20 is made of a multi-layered structure in which the inner surface of the conical bend of the upper and lower strait is formed in the axial direction, The rotary wheel 40 is a plurality of blow blades 42 are installed radially, foreign matter separation device of the recycled aggregate, characterized in that installed so as to correspond to the bending layer (24) formed by each bending formed in the drum. The method of claim 1, The conical curved layer is a separate hopper cell (23), the foreign matter separation device of the recycled aggregate, characterized in that the drum is configured by stacking a plurality of the hopper cells vertically. The method according to claim 1 or 2, The inner surface of the drum 20 is formed of a rounded portion 241 rounding a corner portion of a large diameter, which is an upper portion of the curved layer 24, so that the recycled aggregate scattered by the impact of the rotating wheel 40 is curved surface ( 242) and the foreign matter separation device of the recycled aggregate, characterized in that it is supplied to the rotary car installed in the lower layer by the flow in the rounded portion. The method of claim 1, Recycling aggregate, characterized in that the guide disc 50 is further installed on the upper end of the rotating shaft 30 to guide the regeneration aggregate introduced into the inlet of the drum to the blow blade 42 of the rotary car to make a blow. Foreign material separator. The method of claim 1, Blowing blade 42 of the rotor wheel is foreign matter separation device of the recycled aggregate, characterized in that formed to have a wide blow surface in the vertical direction in the axial direction. The method of claim 5, Blowing blade 42 of the rotary car is formed of a curved surface bent in the reverse direction of the rotational direction is separated foreign matter separation device of the recycled aggregate, characterized in that the hitting the recycled aggregate scattered outward from the rotation axis. The method of claim 5, The blow blade 42 of the rotary car forms an upper cutout portion 412 having a top slope from the rotary shaft 30, and a lower end form a bottom cut portion 413 having an upward slope from the rotary shaft. The foreign matter separation device of the recycled aggregate, characterized in that to prevent the recycled aggregate hit by the lower end is directly injected into the other curved layer of the drum.

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