KR100755990B1 - 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 secure the excellent attachment rate of the aggregate on concrete and asphalt concrete by obtaining good recycled aggregate by improving the surface grain size two times. A device for crushing recycled aggregate and improving the surface grain size of recycled aggregate is composed of a body(12) assembled and kept in the proper height from the floor; an inner case(15) fixed on the inner bottom of the body in the proper height by a support, protruded out of one side of the body, and finished by a finishing plate(14); an outer case(16) connected to the finishing plate of the inner case to communicate with the inner case; a recycled aggregate crusher(20) installed at the upper part of the inner case to communicate with the inner case and to crush the recycled aggregate in the proper size; and a main grain size improving and transferring unit(B) and an auxiliary grain size improving and discharging unit horizontally installed in the inner and outer cases at the lower side of the recycled aggregate crusher. The main grain size improving and transferring unit firstly improves the surface grain size of recycled aggregate. The auxiliary grain size improving and discharging unit secondly improves the surface grain size of the recycled aggregate delivered from the main grain size improving and transferring unit and then discharges the recycled aggregate.

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 an enlarged sectional view taken along the line A-A of FIG.

4 is an enlarged sectional view taken along the line B-B in FIG.

5 is an enlarged view illustrating main parts of FIG. 2;

Figure 6 is an exploded perspective view showing a reclaimed aggregate surface particle size improving apparatus according to the present invention.

7 is a cross-sectional view showing the operation of the recycled aggregate crushing and aggregate aggregate particle size improving apparatus according to the present invention.

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

12: main body 12: upper case

13: support 14: finishing plate

15,16: inner and outer case 20: recycled aggregate crushing device

22: supply hopper 30: roll crusher member

32: crusher blade 34,35: roll crusher

36: rotating shaft 38: motor

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

41: aggregate inlet hole 50: horizontal feed screw

51,52: Horizontal rotating bar 53,54: Transfer blade

60: rotating member 70: auxiliary feed pipe

72,73: auxiliary transport day 74: auxiliary screw

76: aggregate discharge ball 78: aggregate slope information board

80: discharge conveyor 90: washing water discharge member

91: washing water discharge hole 92: washing water discharge hopper

93: washing water storage tank 95: washing water drainage

97: washing water discharge pipe B: injection diagram improved transfer means

C: secondary particle size improvement

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

In general, waste materials that are inseparable from the construction site, waste ascon, waste wood, rebar, earth and soil, and other types of waste that cannot be separated due to working conditions, ie, domestic waste such as construction waste, vinyl and household waste, Its generation amounts to tens of millions of tons per year.

When the intermediate treatment process of such construction wastes is outlined, the collected waste is first crushed by a crusher, and then scrap metal is discharged and separated by an electromagnet charity. 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, the problem is that the strength of the recycled aggregate is reduced 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 the waste, and then improve the quality of the recycled aggregate by improving the surface particle size for this advanced aggregate It is to provide a recycled aggregate crushing and recycled aggregate surface particle size improving apparatus for producing.

The present invention for achieving the above object, the main body is assembled and maintained by maintaining a proper height from the bottom surface; An inner case fixed to maintain a proper height as a support on the inner bottom surface of the main body, protruding outward from one side of the main body, and finished with a closing plate; An outer case connected to the closing plate of the inner case; A recycled aggregate crushing device provided to communicate with the upper portion of the inner case to crush the recycled aggregate to an appropriate size; And injection degree improved transport means for improving the surface granularity of the recycled aggregates crushed by being provided horizontally in the inner, outer case of the lower portion of the recycled aggregate crushing apparatus; It characterized in that it comprises a secondary particle size improved discharge means for discharging after improving the particle size secondary to the recycled aggregate surface conveyed by the injection degree improved transfer means.

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 an enlarged cross-sectional view taken along line AA of FIG. 2, FIG. 4 is an enlarged cross-sectional view taken along line BB of FIG. 2, FIG. 5 is an enlarged view of the main portion of FIG. 2, and FIG. 7 is an exploded perspective view illustrating a recycled aggregate crushing and a recycled aggregate surface particle size improving apparatus according to the present invention.

As shown in Figures 1 to 6, the present invention collects the construction waste, such as waste concrete, waste ascon, generated in the construction site, and shred to a suitable size with a jaw crusher (2), and then go through several processes sequentially 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 surface particle size improving device 10 through the aggregate supply conveyor (4), the recycled aggregate is crushed, the surface particle size is improved.

The recycled aggregate crushing and recycled aggregate surface particle size improving apparatus 10 is maintained assembling and maintaining a rectangular parallelepiped by maintaining a proper height from the bottom surface, the body 12 with an open top; An inner case 15 fixed to the inner bottom of the main body 12 by maintaining a proper height as a support 13 and installed to protrude outward from one side of the main body 12 and closed by a closing plate 14; An outer case 16 connected to the closing plate 14 of the inner case 15; It is provided in communication with the upper inner case 15 is recycled aggregate crushing device 20 for crushing the recycled aggregate to the appropriate size; Regenerated aggregate crushing device 20 is provided in the inner, outer case 15, 16 inside the horizontal aggregate made of a recycled aggregate particle size improving device 40 for improving the particle size of the recycled aggregate surface crushed to a correct 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), there is provided with a washing water spraying means (A) for blocking the dust generated when the recycled aggregates are broken.

The washing water spray means (A) and the washing water spray nozzle 24 is fixed to the supply hopper 22; It consists of a washing water spray hose 25 is connected between the washing water spray nozzle 24 and the 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 crusher 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 feed hopper (22) close to the rotation axis 36, and rotated in the opposite direction by the rotating motor 38 to crush the recycled aggregates . The crusher member 30 is composed of a multi-stage, such as three stages and four stages of the roll crusher to crush the recycled aggregate.

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The recycled aggregate surface particle size improving device 40 includes an injection rate improving transfer means (B) for primarily improving the surface particle size while transferring the recycled aggregate crushed by the recycled aggregate crushing device 20; Secondary particle size improving and discharging means (C) for discharging after improving the particle size secondary to the recycled aggregate surface conveyed by the injection degree improved transfer means (B). And, the secondary particle size improving discharge means (C) on one side is provided with a discharge conveyor 80 for discharging the recycled aggregate with the secondary particle size improved to the outside.

The injection-improving transfer means (B) is horizontally installed in the inner case 15 and the closing plate 14 of the lower portion of the recycled aggregate crushing device 20, the aggregate inlet hole 41 is formed in one upper region A main horizontal feed pipe 42 made of a cylindrical shape; A transfer screw 50 positioned within the double cylindrical main horizontal feed pipe 42 to improve the particle size while transferring recycled aggregate crushed to an appropriate size; It is provided on one side of the transfer screw 50 and the bottom of the main body 12 is composed of a rotating member 60 for rotating the transfer screw (50).

The transfer screw 50 includes horizontal rotating rods 51 and 52 which are respectively arranged on the inner case 15 and the outer case 16 so that both ends thereof can be rotated horizontally; Horizontal rotating rods 51 and 52 are formed on the outer periphery, respectively, and are composed of feed blades 53 and 54 located inside the main horizontal feed pipe 42. At this time, the transfer blades 53 and 54 maintain equal intervals on the outer periphery of the horizontal rotating rods 51 and 52 in the double cylindrical main horizontal feed pipe 42, and are positioned in close proximity and transported while the recycled aggregate is transported. The edges are abraded by the inner edges of the blades 53 and 54 and the main horizontal feed pipe 42, thereby improving the surface particle size.

The rotating member 60 includes first and second upper sprockets 62 and 63 arranged on one side of the horizontal rotating rods 51 and 52; A horizontal chain 64 connected between the first and second upper sprockets 62 and 63; An upper sprocket 65 arranged on a horizontal rotating rod 51 outside the first upper sprocket 62; The lower sprocket 67, which is connected to the upper sprocket 65 by the vertical chain 66, consists of a motor 68 that is built up.

The particle size improving discharge means (C) is a secondary cylindrical secondary transport pipe 70 is installed horizontally so that the main horizontal is in communication with the pipe 42 in the closing plate (14) and the outer case (16); Auxiliary screw 74 is formed on the outer periphery of the horizontal rotary rods (51) and (52) inside the auxiliary feed pipe (70) and formed with a plurality of auxiliary feed blades (72) and (73) to improve the particle size of the surface of the recycled aggregate in the secondary. Wow; An aggregate discharge hole 76 for discharging the recycled aggregate having an improved particle size of the surface; It is formed to extend between the auxiliary transport pipe 70 and the aggregate discharge hole 76 is composed of the aggregate slope guide plate 78 for discharging to the discharge conveyor (80).

At this time, the auxiliary feed blades (72) (73) are formed on the outer periphery of the horizontal rotating rod (52) to improve the surface particle size for the secondary aggregate recycled.

On the other hand, the motor for driving the recycled aggregate crushing device 20 and the recycled aggregate granularity improving device 40 is configured to control the operation 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 member 90 for discharging the washing water supplied by the washing water spraying means (A) to block the dust generated when the recycled aggregates are broken.

The washing water discharge member (90) includes a plurality of washing water discharge holes (91) formed in the lower region of the other side of the main horizontal feed pipe (42); Washing water discharge hopper 92 provided in the lower region of the inner case (15); A washing water storage tank 93 provided on the bottom surface of the main body 12 to store the washing water of the injection-improving transfer means; A plurality of washing water discharge holes 94 formed on the lower region of the auxiliary transfer pipe 70 and the aggregate guide plate 78; It is provided between the lower portion of the outer case 15 in the lower region of the washing water discharge hole 94 and the washing water storage tank 93 to discharge the washing water inside the particle size improving discharge means to the washing water storage tank 93. Is done.

Referring to the operating state of the present invention configured as described above, as shown in Figures 1 to 5 to collect the construction waste, such as waste concrete, waste ascone 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) Supplied to the inside improves 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 waste material of the appropriate size (diameter of 23 mm or more) into the supply hopper 22 of the recycled aggregate crushing device 20 constituting the recycled aggregate surface particle size improving device 10, that is, recycled 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 feed hopper 22 with the rotary shaft 36 are provided on one side of the rotary shaft 36. By 38, rotational forces are rotated in opposite directions to each other.

Accordingly, as the crusher 32 on the outer circumferential surface of the roll crusher 34 and 35 rotates in the opposite direction, the recycled aggregate passes through them to be crushed to an appropriate size (at least 8 mm in diameter), and crushed regeneration. Aggregates typically do not maintain a polygonal shape.

At this time, the dust generated when the recycle aggregate is crushed by the roll crusher 34, 35 is removed by the washing water sprayed by the washing water spray means (A) provided in the supply hopper (22).

The recycled aggregate shredded to an appropriate size as the recycled aggregate shredding device 20 is horizontally installed in the inner case 15 and the outer case 16, and has a double cylindrical shape constituting the auxiliary particle size improving discharge means (C). It is introduced through the aggregate inlet hole 41 of the main horizontal feed pipe 42 made of a feed to the pair of feed blades 53, 54 constituting the feed screw (50).

Accordingly, the feed screw 50 rotatably horizontally arranged in the main horizontal feed pipe 42 is rotated by the rotational force of the motor 68, so that the recycled aggregate made of a double cylindrical shape is formed in the main horizontal feed pipe 42. And the edges are broken while being rotated along the transfer blades 53 and 54 of the horizontal rotating rods 51 and 52 to impinge on the inner periphery of the feed blades 53 and 54 and the main horizontal feed pipe 42. The shape gradually improves the particle size of the surface.

As such, the recycled aggregate transported while the particle size is improved along the transfer blades 53 and 54 of the horizontal transfer screw 50 passes through the closing plate 14 of the inner case 15, and the secondary particle size improving and discharging means (C). It is supplied to the area to improve the secondary particle size.

That is, recycled aggregates having a primary particle size are supplied to the auxiliary transport pipe 70 formed of a double cylinder installed horizontally in communication with the main horizontal transfer pipe 42 in the closing plate 14 and the outer case 16. It is provided on the outer periphery of the horizontal rotating rods (51) (52), while impinging on the secondary feed blade 72 of the auxiliary feed screw (74) located inside the auxiliary feed pipe (70) while improving the surface particle size in the secondary According to the auxiliary feed pipe 70 and the aggregate discharge hole 76 is formed to extend to be supplied to the discharge conveyor 80 along the aggregate slope guide plate 78 to obtain a high quality recycled aggregate.

On the other hand, it will be described the operation state of the washing water discharge member 90 for discharging the washing water supplied by the washing water spraying means (A) in order to block the dust generated when the recycled aggregate crushing as described above.

The recycled aggregate and the wash water crushed by the roll crushers 34 and 35 of the recycled aggregate crushing device 20 have an inner case 15 through the wash water discharge hole 91 in one lower region of the main horizontal transfer pipe 42. By supplying to the wash water discharge hopper 92 formed in the lower region) is supplied to the wash water storage tank 93 of the bottom surface of the main body 12 is processed separately.

Then, the washing water generated in the particle size improving discharge means (C) through the washing water drainage hole 94 formed in the lower region of the auxiliary transport pipe 70 and the aggregate slope guide plate 78, the washing water discharge pipe (97) below the outer case (15) It is supplied to the wash water storage tank (93) and is treated separately.

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 bone can be obtained, and it has excellent adhesion rate to concrete and ascon, 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.

The present invention has been illustrated and described with respect to specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and the appended claims are generally used in the field to which the present invention pertains without departing from the spirit of the invention as claimed. Anyone with knowledge of the can be a variety of variations.

Claims (5)

Main body 12 is assembled and maintained by maintaining a proper height from the bottom surface; An inner case 15 fixed to the inner bottom surface of the main body 12 by maintaining a proper height as a support 13 and installed to protrude outward from one side of the main body 12 and finished with a closing plate 14; An outer case 16 connected to the closing plate 14 of the inner case 15; A recycled aggregate crushing device 20 configured to communicate with the upper portion of the inner case 15 to crush the recycled aggregate to a proper size; And An injection diagram improving transport means (B) for horizontally improving the surface granularity of the recycled aggregates which are horizontally provided in the inner and outer cases (15) and (16) of the lower portion of the recycled aggregate crushing apparatus (20); A reclaimed aggregate surface particle size improving device (40) comprising a secondary particle size improving discharge means (C) for discharging the reclaimed aggregate surface conveyed by the injection degree improving conveying means (B) for secondary discharge after improving the particle size; Recycled aggregate crushing and reclaimed aggregate particle size improving device 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 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 crusher 34 and 35 so as to be rotatable in the lower region of the inner side of the feed hopper 22; A roll crusher member (30) comprising 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. The method of claim 1, wherein the injection-improving transfer means (B) The recycling aggregate crushing device 20 is installed horizontally on one side of the inner case 15 and the closing plate 14 of the lower region, the main horizontal transfer pipe made of a double cylindrical formed with the aggregate inlet hole 41 in one upper region ( 42); Horizontal rotating rods 51 and 52 which are respectively arranged on the inner case 15 and the outer case 16 so as to be rotatable horizontally; A transfer screw 50 formed on the outer periphery of the horizontal rotating rods 51 and 52 and made of a transfer blade 53 and 54 positioned inside the main horizontal transfer pipe 42; And A rotating member 60 provided at one side of the transfer screw 50 and a bottom of the main body 12 to rotate the 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 (C) A cylindrical auxiliary feed tube 70 horizontally installed inside the closing plate 14 and the outer case 16; Auxiliary screw (74) formed on the outer periphery of the horizontal rotary rods (51) and (52) inside the auxiliary feed pipe (70), each of which has a plurality of auxiliary feed blades (72) and (73), respectively, to improve the particle size of the recycled aggregate surface. ); Aggregate discharge hole 76 is formed in the lower case 15 to discharge the recycled aggregate; And Aggregate slope guide plate 78 is formed to extend in the auxiliary transport pipe 70 and the aggregate discharge hole (76) to discharge to the discharge conveyor (80); Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of. The method of claim 1, The recycled aggregate particle size improving device 40 is provided with a washing water discharge member 90 for discharging the washing water supplied by the washing water spraying means to the outside, The washing water discharge member (90) comprises a plurality of washing water discharge holes (91) formed in the other lower lower region of the main horizontal feed pipe (42); Washing water discharge hopper 92 provided in the lower region of the inner case (15); A washing water storage tank (93) provided at the bottom of the main body (12) to store the washing water of the injection-improving transfer means; A plurality of washing water discharge holes 94 formed on the lower region of the auxiliary transfer pipe 70 and the aggregate guide plate 78; And The washing water discharge pipe 97 is provided between the lower portion of the outer case 15 in the lower region of the washing water discharge hole 94 and the washing water storage tank 93 to discharge the washing water inside the particle size improving discharge means to the washing water storage tank 93. ; Recycled aggregate crushing and regeneration aggregate surface granularity improving apparatus, characterized in that consisting of.

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