KR100755994B1 - Ggregate reproducing crush apparatus and ggregate reproducing surface reform grain size apparatus - Google Patents

Abstract

A device for crushing recycled aggregate and improving the surface grain size of recycled aggregate is provided to obtain good recycled aggregate by improving the surface grain size of recycled aggregate two times and to prevent environmental pollution by simply disposing of the cleaning water for removing dust. The device(40) for crushing recycled aggregate and improving the surface grain size of recycled aggregate is composed of a case(13) comprising lower and upper cases(11,12); a recycled aggregate crusher(20) installed at the upper part of the upper case to crush the recycled aggregate in the proper size; and a grain size improving and transferring unit(A) and a grain size improving and discharging unit(B) installed in the case of the recycled aggregate crusher to improve the surface grain size of recycled aggregate crushed in the proper size.

Description

Recycled aggregate crushing and reclaimed aggregate surface particle size improving device {GGREGATE REPRODUCING CRUSH APPARATUS AND GGREGATE REPRODUCING SURFACE REFORM GRAIN SIZE APPARATUS}

1 is a configuration diagram schematically showing a process for generating recycled aggregates from construction waste according to the present invention.

Figure 2 is a sectional view showing a recycled aggregate crushing and recycling aggregate surface particle size improving apparatus according to the present invention.

3 is a cross-sectional view showing a roll crusher member of the recycled aggregate crushing and recycled aggregate surface particle size improving apparatus according to the present invention.

Figure 4 is a cross-sectional view of the operation of the recycled aggregate crushing and recycling aggregate surface particle size improving apparatus according to the present invention.

Figure 5 is a front view showing a first embodiment of the recycled aggregate crushing and recycling aggregate surface particle size improving apparatus according to the present invention.

Figure 6 is a front view showing a second embodiment of the recycled aggregate crushing and recycling aggregate surface particle size improving apparatus according to the present invention.

 <Description of the symbols for the main parts of the drawings>

11: lower case 12: upper case

13 case 20: recycled aggregate crushing device

22: supply hopper 30: roll crusher member

32: crusher blade 34,35: roll crusher

36: rotating shaft 38,44,76: motor

40: reclaimed aggregate surface particle size improving device 42: horizontal feed pipe

42a: aggregate inlet hole 42b: aggregate discharge hole

50: horizontal feed screw 52: horizontal rotating rod

54: transfer blade 60: lower finish plate

61: aggregate inlet hole 63: lower vertical finish plate

64: lower vertical passage 70: vertical conveyance discharge member

72: feed wing 73: vertical body

75: vertical rotation axis 78: discharge hole

80: discharge conveyor 90,91: washing water discharge hole

92: washing water discharge hopper 94: washing water storage tank

96,100: 1st, 2nd washing water discharge member 97: washing water receiving container

97a: drain hole 98: washing water supply pipe

A: particle size improvement transfer means B: particle size improvement transfer means

C: Washing water discharge means

The present invention relates to a construction waste treatment system, and in particular, the recycled aggregate produced in the construction waste treatment process (called 'circulating aggregate') by crushing to an appropriate size to improve the surface particle size of the recycled aggregates, such as the quality of natural aggregates It relates to a recycled aggregate crushing and recycled aggregate surface particle size improving device configured to produce excellent recycled aggregate.

In general, wastes that are inseparable from construction sites, such as waste concrete, waste ascon, waste wood, rebar, earth and sand, and other redevelopment sites are not separable in working conditions, ie construction waste, vinyl and domestic waste such as domestic waste. The amount of is generated in the tens of millions of tons per year.

When the intermediate treatment process of the construction waste is outlined, the collected construction waste is first crushed by the crusher, and the scrap metal is separated and discharged by the electromagnet charity. Then, the earth and sewage water are separated and discharged by blowing and rotating. After the waste wood and various wastes are separated and discharged by VIB screen, other washing water quality is removed by high pressure washing water spraying. Thereafter, secondary, optionally tertiary, and tertiary crushers are crushed into secondary and optionally tertiary crushers to finish the granules as recycled aggregates, and recycled aggregates of various sizes are produced by the sorter.

However, even the recycled aggregate obtained through this process is not good particle size of aggregate compared to natural aggregate due to sludge such as cement mortar and rinse water quality attached to the aggregate surface. Adhesion between the surface and the mortar is reduced, there is a problem that the strength of the recycled aggregate is high due to the high absorption rate. Because of this, it is mixed with membrane concrete, filler concrete, and non-structural concrete of building wash water in the field where strength is not required as aggregate. to be.

The present invention has been made in order to solve such a conventional problem, the present invention is to crush the recycled aggregate produced in the intermediate treatment process of construction waste, and then to improve the quality by removing the surface particle size and adhesion mortar for it It is to provide a recycled aggregate crushing and reclaimed aggregate surface particle size improving device for producing high quality aggregate.

The present invention for achieving the above object, the case consisting of a lower case and an upper case; A recycled aggregate crushing apparatus provided on the upper case to crush the recycled aggregate of an appropriate size to an appropriate size; And a recycled aggregate particle size improving device including a particle size improving transfer means and a particle size improving discharge means for improving the particle size of the recycled aggregate surface crushed to an appropriate size provided in the case of the recycled aggregate crushing device. do.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 of the accompanying drawings is a schematic view showing a process for generating recycled aggregates from the construction waste according to the present invention, Figure 2 is a cross-sectional view showing an apparatus for improving the recycled aggregate crushing and recycled aggregate surface particle size according to the present invention 3 is a cross-sectional view showing a roll crusher member of the recycled aggregate crushing and recycled aggregate surface particle size improving apparatus according to the present invention, Figure 4 is a cross-sectional view of the operating state of the recycled aggregate crushing and recycled aggregate surface particle size improving apparatus according to the present invention to be.

As shown in Figures 1 to 4, the present invention collects the construction waste, such as waste concrete, waste ascone generated at the construction site, and shred to a suitable size with a jaw crusher (2), and then sequentially subjected to various processes As the metal, waste wood, and soil are separated, recycled aggregate is produced. The recycled aggregate is supplied to the recycled aggregate crushing and recycled aggregate particle size improving apparatus 10 through the aggregate supply conveyor (4), the recycled aggregate is crushed to the appropriate size, the particle size is improved.

The recycled aggregate crushing and recycled aggregate surface particle size improving device 10 is a lower case 11 made of maintaining a proper height from the bottom surface, and the upper case 12 installed to maintain an appropriate height on the lower case 11 A case 13 made up of; A regenerated aggregate crushing device 20 provided on the upper case 12 to crush the regenerated aggregate of a proper size to a proper size; It is provided in the case 13 of the recycled aggregate crushing device 20 is composed of a recycled aggregate particle size improving device 40 for improving the particle size on the surface of the recycled aggregate crushed to the appropriate size.

The recycled aggregate crushing device 20 is a supply hopper 22 is supplied with the recycled aggregate of the appropriate size therein; Rotated inside the feed hopper 22 is composed of a crusher member 30 for crushing the recycled aggregate to the appropriate size.

The supply hopper 22 is supplied with the recycled aggregate supplied by the aggregate supply conveyor (4), the inside is provided with a washing water spraying device (24) to block the dust generated when the recycled aggregates are broken.

The washing water spraying device 24 includes a washing water spraying nozzle 24a fixed inside the supply hopper 22; It consists of a washing water spray hose 24b connected between the washing water spray nozzle 24a and a washing water tank (not shown) to supply the washing water. At this time, a motor (not shown) is connected to the wash water tank to spray the wash water at an appropriate pressure.

The crusher member 30 includes a pair of roll crushers 34 and 35 having a plurality of crushers 32 formed on an outer circumferential surface thereof; A rotating shaft 36 horizontally arranged on the roll crushers 34 and 35 and rotatably arranged in the lower region inside the feed hopper 22; It consists of the motor 38 each built in the rotating shaft 36. As shown in FIG. At this time, the roll crusher (34) 35 is maintained in the supply hopper 22 to maintain a close interval by the rotary shaft 36, and rotated in the opposite direction by the motor 38 that rotates in reverse to crush the recycled aggregate.
The crusher member 30 is composed of a multi-stage, such as three stages and four stages of the roll crusher to fracture the recycled aggregate.

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The reclaimed aggregate particle size improving device 40 includes a particle size improving transfer means (A) for primarily improving the surface granularity while transferring the regenerated aggregate crushed by the crushing device 20; It consists of a particle size improving and discharging means (B) for discharging the surface of the recycled aggregate supplied by the particle size improving transfer means (A) secondaryly to improve the size.

In addition, one side of the particle size improving discharge means (B) is provided with a discharge conveyor 80 for discharging the recycled aggregate with the secondary particle size improved to the outside.

The particle size improving transfer means (A) is installed horizontally in the upper case 12 of the lower region of the shredding device 20, the aggregate inlet hole 42a is formed in the other upper region, the aggregate discharge in one lower region A horizontal transfer pipe 42 formed with a ball 42b; A horizontal conveying screw 50 which is rotatably arranged at both ends of the inner and upper case 12 in the horizontal conveying pipe 42 to improve the particle size while conveying the recycled aggregate crushed into an appropriate size; It is made up of one end of the horizontal transfer screw 50 is composed of a motor 44 for rotating the horizontal transfer screw (50).

The horizontal conveying screw 50 has a horizontal rotating rod 52 is horizontally rotatably arranged in the horizontal conveying pipe 42 and both ends of the upper case 12; It is formed on the outer periphery of the horizontal rotating rod (52) consists of a feed blade 54 located inside the horizontal feed pipe (42).
At this time, the transfer blade 54 is formed by maintaining the same interval on the outer periphery of the horizontal rotating rod 52, the recycled aggregate is evenly transferred while the recycled aggregate hits the inner edge of the transfer blade 54 and the horizontal transfer pipe 42 The area is shaved to improve particle size, and the mortar attached to the aggregate surface is removed.
Then, in order to improve the amount and quality of the recycled aggregate, it is possible to install and use a double screw arranged parallel to the horizontal rotating rod 52 and the feed blade 54.

The particle size improving discharge means (B) is the aggregate discharge hole 61 is formed in communication with the aggregate discharge hole (42b) of the horizontal transfer pipe 42, the lower finish plate 60 closed horizontally in the upper case 12 )and; Lower vertical passage formed by vertically closing the lower case 11 and the lower vertical closing plate (63) vertically in communication with the aggregate discharge hole 61 of the lower closing plate (60) ( 64); Located in the lower vertical passage 64, the vertical body 73 is provided with a plurality of transfer blades 72 on the outer periphery, and vertically arranged on the vertical body 73, connected to the motor 76 at the bottom A vertical feed discharge member 70 formed of a vertical rotation shaft 75; It is formed through one side of the lower vertical passage (60) is made of a discharge hole 78 for discharging the recycled aggregate having a secondary particle size improved by the vertical transfer discharge member 70 to the discharge conveyor (80).

In addition, the motor for driving the recycled aggregate crushing device 20 and the recycled aggregate granularity improving device 40 is configured to control the operation individually in the control box not shown, and to control the operation at the same time.

In addition, the recycled aggregate particle size improving device 40 is provided with a washing water discharge means (C) for discharging the washing water supplied by the washing water spraying device 24 for blocking the dust generated when the recycled aggregates crushed.

The washing water discharge means (C) is a plurality of washing water discharge holes 90 formed in one side lower region of the horizontal transfer pipe 42, the washing water discharge hole 91 and the horizontal transfer pipe 42 of the lower dead plate 60 The first wash water discharge member 96 consisting of a wash water discharge hopper 92 formed in the lower case 11 of the lower portion, and a wash water storage tank 94 provided on the lower case 11 so as to communicate with the wash water discharge hopper 92. )Wow; A lower portion of the lower case 11 extending at the same height and having a plurality of drainage holes 97a formed therein, the washing water receiving container 97 inclined downward and communicating with the lower case 11; The second washing water discharge member is inclinedly connected between the wash water collecting tank 97 and the washing water storage tank 94 and includes a washing water supply pipe 96 for supplying the washing water of the washing water receiving tank 97 to the washing water storage tank 94. 100).

On the other hand, Figure 5 is a front view showing a first embodiment of the recycled aggregate crushing and recycled aggregate surface particle size improving apparatus according to the present invention, Figure 6 is a second of the recycled aggregate crushing and recycled aggregate surface particle size improving apparatus according to the present invention It is a front view which shows an Example.

This, the other components of the recycled aggregate crushing and the recycled aggregate surface particle size improving apparatus 10 shown in Figures 1 to 4 are made the same, and conveyed the primary aggregated recycled aggregate by the recycled aggregate crushing device 20 While the horizontal feed screw 50 constituting the particle size improved feed stage (A) for improving the particle size is different.

That is, while maintaining the feed blades 54 of the horizontal feed screw 50 at equal intervals narrowly on the other side of the horizontal rotating rod 52 is formed at equal intervals wide from the central region to improve the particle size for the recycled aggregate.

On the contrary, the other side is formed by maintaining the same spacing widely and then formed by maintaining the same spacing narrowly from the central region to one side.

Referring to the operating state of the present invention configured as described above, as shown in Figures 1 to 4 to collect the construction waste, such as waste concrete, waste ascon, etc. generated in the construction site, and then crushed to the appropriate size by the jaw crusher (2) , Recycled aggregates are generated by separating the metal, waste wood, soil, etc. sequentially through the various processes, such recycled aggregates are recycled aggregate crushing device and the surface of the aggregate aggregate reclaiming device through the aggregate supply conveyor (10) It is supplied internally to improve the size and crushing of the appropriate size. At this time, the recycled aggregate is usually crushed when the diameter is more than 8mm, if less than 8mm is included in the sand.

Specifically, the recycled aggregate crushing and the recycled aggregate crushing material of the appropriate size (diameter of 23mm or more) into the feed hopper 22 of the recycle aggregate crushing device 20 constituting the surface particle size improving device 10, that is, regeneration Aggregate is supplied to the crusher member 30 rotatably built in the supply hopper 22.

When the recycled aggregate is supplied to the crusher member 30 as described above, the pair of roll crushers 34 and 35 arranged in the lower region of the supply hopper 22 with the rotary shaft 36 are provided with the motor 38 on one side of the rotary shaft 36. ) Rotate in opposite directions by the rotational force.

Accordingly, the crusher 32 on the outer circumferential surface of the roll crusher 34 and 35 rotates in the opposite direction, thereby crushing the recycled aggregate to an appropriate size (at least 8 mm in diameter), and the crushed recycled aggregate generally has a square shape. Will not be maintained.

At this time, the dust generated when the recycle aggregate is crushed by the roll crusher 34, 35 is removed by spraying the washing water from the outside by the washing water spraying device 24 provided in the supply hopper 22.

The recycled aggregate shredded to an appropriate size by the recycled aggregate shredding device 20 is introduced through the aggregate inlet hole 42a of the horizontal transfer pipe 42 installed horizontally in the upper region of the upper case 12 so that the horizontal transfer screw ( It is supplied to the feed blade 54 which comprises 50).
Accordingly, the horizontal feed screw 50 rotatably arranged horizontally in the horizontal feed pipe 42 is rotated by the rotational force of the motor 44, so that the recycled aggregate is in the feed blade 54 and the horizontal feed pipe 42. As the sequential rotation rotates along the periphery, it hits the feed edge 54 or the inner periphery of the horizontal feed pipe 42, and the corner portion is broken, thereby improving the particle size of the surface in a round shape, and cement mortar adhered to the aggregate surface. Is removed.

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As such, the recycled aggregates are discharged downward through the aggregate discharge hole 42b at one lower side of the horizontal transfer pipe 42 while improving the particle size along the transfer blade 54 of the horizontal transfer screw 50. It is supplied to the means B to improve the secondary particle size.

That is, when the recycled aggregate is supplied into the lower vertical passage 64 through the aggregate inlet hole 61 formed in the lower periphery plate 60 below the horizontal transfer pipe 42, the motor 76 below the vertical rotation shaft 75. The recycled aggregate is moved while rotating along the transfer blade 72 of the vertical transfer discharge member 70 rotated by the discharge through the discharge hole 78 on one side of the lower vertical passage 60 in the state of improving the secondary particle size. As it is supplied to the conveyor 80, a good quality recycled aggregate is obtained.

On the other hand, the operation state of the washing water discharge means (C) for discharging the washing water supplied by the washing water spraying device 24 to the outside in order to block the dust generated when the recycled aggregates as described above will be described.

The recycled aggregate and the wash water crushed by the roll crushers 34 and 35 of the recycled aggregate crushing device 20 of the water discharge hole 90 and the lower finish plate 60 of the lower region of the horizontal transfer pipe 42 Through the washing water discharge hole 91 is supplied to the washing water discharge hopper 92 of the lower horizontal transfer pipe 42 is supplied to the washing water storage tank 94 of the lower case 11 is processed separately.

Then, the recycled aggregate and the washing water included in the secondary particle size improved while being discharged to the outside by the particle size improving discharge means (B) is supplied into the washing water receiving container 97 through the drain hole 97a at one end of the lower case 11. It is supplied to and treated with the wash water storage tank 94 through the wash water supply pipe 96.

On the other hand, Figures 5 and 6 show the first and second embodiments according to the present invention of Figures 1 to 4, which is the same as the components of the recycled aggregate shredder 10, the recycled aggregate shredding device ( 20) the structure of the horizontal feed screw 50 constituting the particle size improving transfer means (A) of the recycled aggregate particle size improving apparatus 40 for conveying the crushed recycled aggregate at the same time to improve the particle size is different.

Referring to the operation state, the recycled aggregate crushed by the shredding device 20 is supplied to the horizontal feed pipe 42 in the lower region of the shredding device 20 horizontal rotating rod of the rotating horizontal screw (52) While maintaining the equal intervals narrowly on the other side is rotated along the transfer blade 54 formed at equal intervals wide to one side to the central area is conveyed to improve the particle size. On the contrary, the other side is formed by maintaining the same spacing widely and then formed by maintaining the same spacing narrowly from the central region to one side.

According to the present invention as described above, the recycled aggregates generated in the construction waste such as waste concrete, waste ascon, etc. are supplied to the recycled aggregate crusher, and then the surface of the recycled aggregates formed by crushing them to an appropriate size is subjected to 1 and 2 times. As the particle size is improved, high-quality recycled aggregate can be obtained, and it has excellent adhesion rate to concrete and asphalt concrete, so that it can be applied to the areas requiring strength, and economic effects can be obtained. By simply treating the wash water to provide an effect that can prevent environmental pollution.

On the other hand, the apparatus as described above is not limited to the recycled aggregates generated during the treatment of construction waste, it is possible to produce recycled aggregates using waste stones generated from quarries and the like.

Although the present invention has been illustrated and described with respect to specific preferred embodiments, the invention is not limited to the above-described embodiments, and the scope of the present invention is not limited to the above-described embodiments without departing from the gist of the invention as claimed. Anyone with knowledge of the can be a variety of variations.

Claims (8)

A case 13 consisting of a lower case 11 and an upper case 12; Regenerated aggregate crushing apparatus 20 for crushing the recycled aggregate of the appropriate size is provided on the upper case 12 in the appropriate size (20); And Regeneration consisting of the particle size improving transfer means (A) and the particle size improving discharge means (B) provided in the case 13 of the recycled aggregate crushing device 20 to improve the particle size of the recycled aggregate surface crushed to an appropriate size Aggregate particle size improving device 40; Reclaimed aggregate crushing and reclaimed aggregate particle size improving apparatus comprising a. According to claim 1, wherein the recycled aggregate shredding device 20 A supply hopper 22 into which recycled aggregates of an appropriate size are supplied; And Roll crushers 34 and 35 having a plurality of crushers 32 formed on an outer circumferential surface thereof; A rotating shaft 36 horizontally disposed on the roll crusher 34 and 35 so as to be rotatable in the lower region of the inner side of the feed hopper 22; A crusher member (30) consisting of a motor (38) arranged on each of the rotating shafts (36); Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of. According to claim 1, The particle size improving transfer means (A) is installed horizontally in the upper case 12 of the lower region of the shredding device 20, the aggregate inlet hole 42a is formed in the other upper region, Horizontal transport pipe 42, the aggregate discharge hole 42b is formed in one lower region; A horizontal transfer screw (50) for improving the particle size while transporting the recycled aggregate crushed to an appropriate size and rotatably arranged inside and the upper case (12) at the horizontal transfer pipe (42); And A motor 44 arranged at one end of the horizontal transfer screw 50 to rotate the horizontal transfer screw 50; Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of. The method of claim 3, wherein the particle size improving discharge means (B) Aggregate inlet hole 61 is formed in communication with the aggregate discharge hole (42b) of the horizontal transfer pipe 42, the lower end plate 60 closed horizontally in the upper case (12); Lower vertical passage formed by vertically closing the lower case 11 upper part and the lower closing plate 60 in the vertical direction in communication with the aggregate inlet hole 61 of the lower closing plate (60). 64; Located in the lower vertical passage (64), the vertical body (73) having a plurality of transfer blades 72 on the outer periphery, and vertically arranged on the vertical body (73), the motor 76 in the lower portion Vertical transfer discharge member 70 consisting of a vertical rotary shaft (75) connected to; And A discharge hole 78 formed through one side of the lower vertical passage 60 to discharge the recycled aggregate having a secondary particle size improved by the vertical transfer discharge member 70 to the discharge conveyor 80; Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of. According to claim 1, wherein the recycled aggregate particle size improving device 40 is provided with a washing water discharge means (C) for discharging the washing water supplied by the washing water spraying device 24 to the outside, The washing water discharge means (C) The wash water discharge hopper formed in the wash water discharge hole 90 of the other lower region of the horizontal transfer pipe 42, the wash water discharge hole 91 of the lower dead plate 60, and the lower case 11 of the lower horizontal transfer pipe 42. A first wash water discharge member (96) formed of a wash water storage tank (94) provided at an upper portion of the lower case (11) in communication with the wash water discharge hopper (92); And A wash basin tube (97) extending at the same height at one end of the lower case (11) and having a plurality of drainage holes (97a), inclined downward and communicating with the lower case (11); A second washing water discharge member which is inclinedly connected between the wash water receiving tank 97 and the washing water storage tank 94 and comprises a washing water supply pipe 96 for supplying the washing water of the washing water receiving tank 97 to the washing water storage tank 94; 100; Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of. The method of claim 3, wherein the horizontal screw (50) A horizontal rotating rod 52 which is horizontally arranged rotatably on both ends of the horizontal transfer pipe 42 and the upper case 12; And A transfer blade 54 formed evenly on the outer circumference of the horizontal rotating rod 52 and positioned inside the horizontal transfer pipe 42; The recycled aggregate crushing and recycled aggregate surface granularity improving apparatus, characterized in that the recycled aggregate is made of a bump hit the inner edge of the transfer blade 54 and the horizontal transfer pipe (52). 7. The recycled aggregate crushing and recycled aggregate surface granularity according to claim 6, wherein the transfer blades 54 are formed at equal intervals on the other side of the horizontal rotating rod 52 and narrowly spaced from the central region. Improvement device. 7. The recycled aggregate crushing and recycled aggregate surface granularity according to claim 6, wherein the transfer blades 54 are formed at equal intervals on the other side of the horizontal rotating rod 52 and are formed at equal intervals from the central region. Improvement device.

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