KR101682952B1 - Dual-crush-structured paste exfoliation apparatus and the manufacturing method of recycling aggregate - Google Patents
Dual-crush-structured paste exfoliation apparatus and the manufacturing method of recycling aggregate Download PDFInfo
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- KR101682952B1 KR101682952B1 KR1020150052934A KR20150052934A KR101682952B1 KR 101682952 B1 KR101682952 B1 KR 101682952B1 KR 1020150052934 A KR1020150052934 A KR 1020150052934A KR 20150052934 A KR20150052934 A KR 20150052934A KR 101682952 B1 KR101682952 B1 KR 101682952B1
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- crushing
- aggregate
- concrete
- polishing
- crushed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
This is a technology related to a waste concrete crushing device applied to crush waste concrete generated in various constructions or construction sites to be recycled as concrete aggregate for concrete.
This is a waste concrete crushing system for crushing aggregate raw material, which is waste concrete, generated from the generated construction waste to a suitable size and at the same time peeling the paste and recycling it as recycled aggregate. It is composed of a cylindrical body having an inlet and an outlet, A plurality of drill crushing units each having a pair of impeller drills and a shield plate to be installed, a rotating disk rotating at a high speed by a rotating shaft, a rotating crushing unit having a radial blade, The present invention relates to a precision crushing part having a plurality of cantilever bars in a cross shape, a distributing plate provided in a central part of the body in a transverse direction and having a plurality of guide holes and a plurality of polishing rods vertically on the bottom surface, A plurality of spiral grooves are provided on the convex surface and the outer peripheral surface, And a power unit provided on a bottom surface of the body and adapted to transmit the power of the deceleration motor to a rotating shaft, wherein the circulating aggregate production unit is provided on the outer side of the polishing drum, .
Description
The present invention relates to a waste concrete crusher having multiple crushing functions and a grinding function capable of crushing waste concrete generated in various constructions and construction sites to an appropriate size and recycling them as concrete aggregates for concrete, The crushing method using impeller rotating disk using several horizontal rotating drums using the waste concrete generated from construction waste, the crushing type multi crushing function using the cantilever striking bar having a multistage inclination angle and the cylindrical top grinding drum The present invention relates to a method for producing recycled aggregate for concrete and a method for producing the recycled aggregate for concrete, which can simultaneously produce high quality recycled aggregate for concrete using grinding and grinding at the same time.
In general, many construction wastes are generated when dismantling civil engineering structures or building structures. Such landfill of construction waste in a limited space leads to environmental pollution problems such as lack of landfill, air, water quality and soil.
Therefore, it is obligatory to recycle construction waste in accordance with the Law Concerning the Promotion of Resource Conservation and Recycling. Waste concrete that can be recycled from construction waste is processed to produce recycled aggregate suitable for use, , The reduction of environmental pollution, the extension of the use period of landfill, and the reduction of social overhead costs.
In this case, the waste concrete is first crushed to a suitable size using a fork-crane, a hammer, a drill, etc., and then transported to a disposal site for recycling. At the disposal site, a relatively large- Shredded to a proper size again, and then shredded to a size that can be recycled using a conch crusher or an impact crusher.
The present invention relates to a crushing apparatus for crushing a crusher to a size that can be finally recycled to separate the cement mortar and improve the shape and size of the crusher, and a conventional crusher is broadly divided into a conch crusher system and an impact crusher system .
A typical structure of the above-mentioned conch crusher system is a structure for crushing and crushing aggregate between an eccentrically rotated cone-shaped mantle and a fixed cone cave, in which the count shaft is rotated by the rotational force of the pulley, And the main shaft which is eccentrically integrated with the excentric is eccentrically rotated to drive the mantle coupled with the mantle core to eccentrically move the eccentric shaft to narrow the gap between the concave coves so as to crush the inserted aggregate .
However, in the above-described concha system, the main shaft and the excentric must be eccentrically rotated for driving the mantle. Since the weight of the mantle core and the mantle coupled to the upper portion of the main shaft is heavy, high- .
An example of applying this type of conch crusher is a domestic patent registration No. 377871 and a No. 10-1245249. The former is a "conch crusher capable of automatically discharging foreign objects and adjusting the automatic clearance", a hydraulic cylinder and an accumulator It is possible to automatically discharge the foreign matter that is not crushed into the inserted aggregate, and to easily adjust the gap between the mantle and the cone cave.
However, such a conventional patented invention has a merit of being able to prevent a malfunction of a device and prevent a safety accident by automatically discharging when various kinds of foreign substances enter in the process of crushing aggregate, but it is crushed by one pass. And there is a problem in that it is not broken evenly.
In the latter case, since the axis of the main shaft mounted inside the con- crusher for crushing the aggregate is fixed without being eccentrically rotated, the load imposed on the motor is reduced, so that it is higher than the conventional 510 to 650 ppm / And the mantle is eccentrically rotated at a rotation speed of 750 to 1050 ppm / minute at a high speed so that the aggregate can be crushed into a fine pore shape.
However, even though it has the advantage of increasing the rotation speed, it is also a structure to crush the aggregate in a single working process, so that even fracture can not be expected and there is a structural limit to improve the crushing efficiency.
Another prior art impact crusher method disclosed in Korean Patent No. 745199 is that when the aggregate is charged into the hopper, the aggregate is guided to the center of the impact rotor by the impeller of the impact rotor, The impeller is rotated by a motor connected to the shaft and the belt pulley and is rotated by a centrifugal force by a centrifugal force so as to be dispersed in the inside of the impact rotor by a centrifugal force The aggregate that has been thrown out to the outside is crushed by the envelope installed on the same axis as the impact rotor and is broken down into the chute which is the lower hopper, and is conveyed to the next process.
However, in the above-mentioned prior art and registered invention, the gemstone is repelled from the injection cone by a strong force due to the centrifugal force, and strikes the envelope or the dead stock, and is repelled by the repulsive force to the side wall of the rotor again, .
In this case, there is a problem that the machine is stopped and the parts are changed. In addition, the anvil or dead stock formed on the side wall is also frequently worn out due to the collision of the stones, thereby frequently repairing and repairing the machine. , A decrease in productivity, and an increase in production costs, resulting in loss of competitiveness.
In addition, the existing con- crusher had the problem that when the crack occurred in the mantle for crushing and crushing the aggregate while rotating eccentrically, or when the repair was necessary, the mantle had to be removed by removing the entire concha including the con- cave, Because of lack of power, it was not enough to deal with large amount of aggregate in a short time.
Particularly, waste concrete such as cement paste (hereinafter abbreviated as "paste") is inevitably attached to the surface of waste concrete.
Since the paste and the coating material lowers the quality of the recycled aggregate, it must be removed at the time of regeneration. Conventionally, the recycled aggregate recycling technology usually relies on the crushing technique to adjust the size. Therefore, There are many cases to keep.
As such, the aggregate with paste and soil can not be used as aggregate for concrete, but can only be used for simple landfill or for the auxiliary material layer.
In order to solve such problems, techniques for removing paste using a chemical agent and techniques for sorting soil have been proposed. However, the cost of using the chemical is continuously increased, and the burden is increased. There are drawbacks to this.
Even if the foreign matter is removed from the surface of the recycled aggregate by the chemical agent, the recycled aggregate can not be produced because of the large number of angled portions on the surface of the recycled aggregate.
DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method for grinding waste concrete, Which is capable of being recycled as recycled concrete aggregate for concrete of the present invention, and a waste concrete crushing apparatus having a grinding function.
Another object of the present invention is to provide a waste concrete crushing apparatus having multiple crushing functions and a grinding function to polish waste concrete with multiple crushing functions by different methods while having the advantages of a concrete crusher and an impact crusher uniformly .
That is, according to the present invention, the waste concrete is crushed into double, triple and multi-ply by a plurality of driven impeller drilling operations, a crushed original plate rotated and a crossed cantilever bar composed of multi- The present invention has as its object to provide a crushing device and a recycled aggregate regeneration device for performing all the functions of separating a paste by causing a material crushed to a predetermined size to be polished through a rotating driven polishing drum.
According to an aspect of the present invention, there is provided a method of manufacturing a milling machine, comprising the steps of: providing a plurality of crushing means and a crushing means for grinding crushed aggregate material in a single cylindrical body having an inlet at an upper portion thereof; I have.
The crushing unit includes a drill crushing unit driven by respective motors respectively provided in the direction of the body to cause the aggregate material to be crushed by the impeller drilling method, And a cross-shaped cantilever bar that is installed at a lower end of the crushing drill at a lower stage and rotatively drives the aggregate material to be crushed in an impact manner, And crushing the waste concrete, thereby pulverizing the waste concrete in a plurality of ways, and at the same time, improving the shape of the waste concrete and peeling off the paste.
The grinding means grinds the surface of the aggregate material crushed to a proper size by the crushing means so as to smoothly polish the surface of the aggregate material. The grinding means includes a distribution plate having a plurality of polishing rods protruding downward, And a grinding drum having a spiral groove for grinding on its surface, which is rotated by the main driving motor while being installed at the lower part of the distribution plate, and is characterized in that the broken aggregate material is polished with a recycled aggregate for concrete of good size and quality .
Accordingly, the present invention provides an aggregate regeneration method for recovering high quality concrete recycled aggregate by crushing waste concrete generated in construction waste to an appropriate size and peeling off the paste, wherein the waste concrete crushing apparatus is a cylindrical type crusher having a raw material input port and a processed aggregate discharge port And a plurality of drill crushing parts having a plurality of impeller drills rotated by the inner side motor of the body body and a plurality of drill crushing parts having a shield plate. The center body of the body body is rotated at a high speed by a rotary shaft interlocked with the power of the decelerating motor, And a rotary crushing portion having a radial crushing blade is formed on the convex surface of the rotary disk, and a precision crushing portion having a plurality of cantilever bars crosswise installed at upper and lower stages in the lower rotary shaft of the rotary disk is provided Which is supplied to the raw material input port The hollow aggregate is struck first in the rotary crushing part and then repulsed secondarily in the drill crushing part. After the crushing part is hit by the cantilever bar through the precision crushing part, a plurality of guide holes are formed in the center part of the body body in the transverse direction, Disclosed is a recycle aggregate recycling method for concrete, which is applied to discharge processed aggregate through a grinding drum which releases a paste from a pulverized aggregate material via a distribution plate having rods.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The present invention is characterized in that a plurality of pulverized concrete is crushed into one body and a paste is peeled off, and a grinding means for grinding the aggregate material crushed by the crushing means into a high quality recycled aggregate material, , The cement mortar attached to the aggregate is removed, and the shape and size of the cement mortar are produced in a manner suitable for the intended use.
Particularly, the crushing means of the present invention has multiple crushing structures in different ways, so that the crushing is smoothly performed. In addition, since the crushing is performed at a high speed, the workability is improved, The surface of the aggregate raw material is polished to produce a product having a round shape free from angular portions, thereby providing a high quality concrete recycling aggregate.
In addition, the present invention is relatively simple and simple in structure, and is easy to manufacture and assemble, as well as easy to repair and repair. Further, since crushing and polishing are sequentially performed, not only the working efficiency is maximized, To provide the effect of crushing a lot of waste concrete.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-
Fig. 2 is a schematic view showing the installation state of the crushing drill of the present invention
Figure 3 is a perspective view of the drill-
FIG. 4 is a perspective view showing the rotation-
5 is a plan view showing the precision crushing unit of the present invention
6 is an enlarged view showing the precision crushing unit of the present invention
7 is a perspective view showing the precision crushing portion of the present invention.
8 is a plan view of the distribution plate of the present invention
9 is a perspective view of the distribution plate of the present invention.
10 is a front view of the polishing drum of the present invention
11 is a perspective view of the abrasive drum of the present invention
12 is a plan view of the polishing drum of the present invention
13 is a diagram showing another embodiment of the present invention
Fig. 14 is a plan view of a concave flat section of Fig. 13
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
2 to 4 show the structure of the impeller drill crushing part and the rotary crushing part, Figs. 5 to 7 show the structure of the precision crushing part, Fig. 8 12 to 12 show polishing means, and FIGS. 13 and 14 show another embodiment of the present invention.
As shown in the drawings, the present invention includes a
The
The
The crushing means A and the grinding means B are installed in parallel to each other in the inner space of the
The crushing means A comprises an impeller
The impeller
Although the
In addition, a
A
The
At this time, the
The
At this time, the
That is, the aggregate material hitting the plurality of cantilever bars 231 rotated in a criss-cross form collides with the
Since the
At this time, the
Therefore, the crushing means A has a function of crushing the crusher into a plurality of stages while passing through various stages such as the impeller
The polishing means B is shown in detail in Figs. 8 to 12. Fig. As shown in the drawing, a
As shown in FIGS. 8 and 9, the
In this case, the
10 to 12, the polishing
A
The
The
The
13 and 14 of the accompanying drawings show another embodiment of the present invention.
As shown in the figure, the
Therefore, each
Therefore, the present invention configured as above is an apparatus for recycling waste concrete, which is a construction waste generated in various road works and construction material dismantling works, as recycled aggregate for concrete, and its operation state is as follows.
In the present invention, when an aggregate material crushed to a predetermined size is supplied to the pretreatment facility, an appropriate amount of the aggregate material is introduced into the
That is, the aggregate raw material introduced through the
Since the
At the same time, the
At this time, since the upper surface and each of the
The aggregate material thus crushed is dropped to the
The
Accordingly, the aggregate material is crushed into multi-stages by different functions and then processed to an appropriate size. Then, the aggregate material is also lowered by its own weight and supplied through the
The aggregate material that has been crushed in an appropriate size is dropped through the guide holes 311 of the
That is, the aggregate material that has passed through the
The aggregate material dispersed in both directions is finally polished to an appropriate size by the
Therefore, in the present invention, the above-described series of operations are continuously performed to produce waste concrete as a recycled aggregate. The recycled aggregate thus produced is characterized by being able to obtain high quality recycled aggregate which is polished simultaneously with multiple crushing operations It is to have.
100: body 110: inlet
120: exhaust port 210: impeller drill crushing part
211:
214: shield plate 215: guide wall
220: rotary crushing section 221: rotary disk
222: wing 230: precision crushing part
231:
310: Distribution plate 311: Guide ball
312: polishing rod 320: polishing drum
321: convex surface 322: spiral groove
330, 331: guide tube 332: spring
333: Supporting rod 334: Adjustable cap
400: power section 410: rotating shaft
420: pulley 430: belt
440: Deceleration motor
A: Crushing means B: Grinding means
Claims (7)
The waste concrete crushing apparatus includes a cylindrical body having an inlet and an outlet, an impeller drill crushing unit 210 for drilling the crushed aggregate material into the inside of the body, A crushing means (A) for passing through three stages of a crushing crushing portion (220) for dispersing and crushing the crushed aggregate raw material in a multistage direction, and a crushing precision crushing portion (230) for finely crushing the crushed aggregate raw material,
The drill crusher 210 is provided with a motor 211 on the outer side of the body and a pair of drills 212 and 213 are provided on the rotary shaft of the motor 211 so as to protrude in the transverse direction in the inner space of the body, A circular shield plate 214 is provided on the inner side, a guide wall 215 is formed between the drills so as to protrude inward,
The rotary crushing unit 220 includes a plurality of blades 222 that are axially coupled to the upper end of the main rotating shaft of the power unit and have a convex shape on the upper surface of the rotating disk 221 and protrude upwards ,
The precision crushing unit 230 includes a rotation axis 410 vertically installed at the center of the body and a cantilever bar 231 installed at upper and lower ends in the four directions so as to have a slope 231a along the direction in which the cantilever bar 231 is rotated The crushing means A is provided,
The grinding means B functioning to recycle the aggregate material crushed by the crushing means into the concrete aggregate for concrete is provided with a distribution plate 310 installed transversely to the center of the body 100, And a guide pipe 330 for wrapping the polishing drum 320 and guiding the aggregate material to the discharge port 120 side,
The distribution plate 310 has a guide hole 311 for dropping and guiding the crushed aggregate and a plurality of polishing bars 312 vertically protruding downward from the bottom.
The grinding drum 320 has a convex surface 321 and a plurality of spiral grooves 322 along the circumferential direction on the outer circumference of the grinding drum 310. The grinding drum 320 has a convex surface 321, Which is provided at the lower portion of the rotating shaft 410,
The guide pipe 330 is installed in a cylindrical shape while maintaining a predetermined distance from the outside of the polishing drum 320 so as to allow the guide pipe 330 to pass through the lower portion in addition to the function of supporting the aggregate during the polishing operation by the rotation of the polishing drum 320,
And a power unit provided on a bottom surface of the body and functioning to transmit the power of the deceleration motor to a rotating shaft, wherein the power unit has multiple crushing functions and a polishing function.
Wherein the pair of drills (212) and (213) of the impeller drill crushing unit are applied to have drills of different sizes, and the multiple crushing function and the grinding function.
Wherein the spiral groove of the polishing drum has a shape in which the depth of the front end is gradually thinner along the rotation direction and gradually becomes deeper toward the rear end, and the spiral groove is applied to the spiral groove of the polishing drum.
Wherein the guide tube is divided into a plurality of guide tubes and the support rods, which are resiliently mounted by springs, are adjusted by the adjustment caps at the rear of each guide tube, and the gap between the guide tubes and the polishing drum is adjusted. Waste concrete crushing system with grinding function.
The waste concrete crushing unit A has a structure in which the drill crushing unit 210, the rotary crushing unit 220 and the precise crushing unit 230 pass through three stages. The drill crushing unit 210 has a motor A pair of drills 212 and 213 are provided on the rotating shaft of the motor 211 so as to protrude in the transverse direction in the body inner space and a circular shield plate 214 is installed inside the drill, A guide wall 215 is formed between the drills to protrude inwardly. The rotary crushing unit 220 is axially coupled to the upper end of the main rotary shaft of the power unit and has a convex upper surface 221 having a convex upper surface The precision crushing unit 230 includes a plurality of vanes 222 protruding upward and a cantilever bar 231 is mounted on a rotation axis 410 vertically installed at the center of the body, And 231a, respectively. The aggregate to be processed is first hit by the rotary crushing unit 220 and then repulsed to be secondarily hit by the drill crushing unit 210 and the crushing unit A which is struck by the cantilever bar through the precision crushing unit 230 is installed ,
The grinding means B functioning to recycle the aggregate material crushed by the crushing means into a recycled aggregate material for concrete comprises a distribution plate 310, a polishing drum 320 and a guide pipe 330, The distribution plate 310 has a guide hole 311 for dropping and guiding the crushed aggregate material and a plurality of polishing bars 312 vertically projecting downward at the bottom surface. A plurality of spiral grooves 322 are formed along the circumferential direction on the outer circumferential surface of the rotating shaft 410 at a lower position of the distribution plate 310, And the guide pipe 330 is installed in a cylindrical shape while maintaining a predetermined distance from the outside of the polishing drum 320 so as to allow the guide pipe 330 to pass downwardly along with the function of supporting the aggregate during the polishing operation by the rotation of the polishing drum 320 In the pulverized aggregate raw material, By desorption the cast concrete method for the production of recycled aggregate, characterized in that is adapted to be processed aggregate material is discharged.
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