KR100850674B1 - The apparatus of exfoliating mortar in aggregate with step-type vibration screen and dividing-type impeller - Google Patents

Abstract

A coarse recycled aggregate exfoliating apparatus using a step-type vibration screen and a division-type impeller is provided to produce recycled aggregates of high quality by effectively impacting the aggregates by adjusting the spray angle of the split type impellers. In an apparatus for exfoliating coarse recycled aggregates of 9~25mm sorted through a sorting screen(3), plural step-type vibration screens(30) for sorting out the recycled aggregates according to the grain size are obliquely installed at a closed body put on a frame(1a), in the layered structure. A division-type impeller(20) exfoliates mortar stuck on the coarse recycled aggregates by jetting stone dust of 2~9mm to the coarse recycled aggregates falling from the vibration screen at high speed by plural division-type impeller blades(23) obliquely installed at the upper end of the body at the predetermined gap, and improves the grain form by crushing segregation. A spray angle adjuster(24) adjusts the angle of the division-type impeller blades according to the inclination angle of the vibration screen by a hinge structure. An air spray nozzle(40) removes foreign materials remaining on the coarse recycled aggregates by jetting the high-pressure air to the coarse recycled aggregates through a nozzle right before the recycled aggregates are discharged. A sprinkler(55) sprinkles the water through the nozzle to reduce the dust.

Description

TECHNICAL APPARATUS OF EXFOLIATING MORTAR IN AGGREGATE WITH STEP-TYPE VIBRATION SCREEN AND DIVIDING-TYPE IMPELLER}

The present invention is attached to the regeneration coarse aggregate by high-speed spraying the stone powder of 2 ~ 9mm toward the regeneration coarse aggregate falling from the staircase type vibration screen through a split-type impeller using a centrifugal force installed inclined on the top of the sorting screen The mortar can be crushed and peeled, segregation can be removed, and the granules can be improved. To prevent mutual collisions, it is possible to remove coarse aggregates and throw out the coarse aggregates. The present invention relates to a circulating coarse aggregate peeling device using a stepped vibrating screen and a split impeller that can maximize collision with 2 ~ 9mm stone powder.

In general, coarse aggregates are those having a diameter of 5 mm or more, and the standard specification for building construction by the Ministry of Construction and Transportation defines 5 aggregates that do not pass more than 85% by weight.

This is because 15% of margin is set because coarse aggregates are not completely sifted in the field and sometimes fine aggregates of 5 mm or less are included.

There is almost no strong gravel produced in nature, and currently meets the demand for coarse aggregates used in the concrete industry by using crushed coarse aggregates produced in Seoksan, but it is difficult to collect aggregates due to environmental damage. to be.

On the other hand, construction wastes generated by construction work are encouraged to be used as aggregate in terms of eco-friendliness and recycling of resources.

In other words, when recycling the construction waste into aggregate without landfill, it is preferable to recycle the resources. Recently, the construction waste is recycled into coarse aggregate and recycled fine aggregate through the recycling process such as shredding the construction waste below a certain size and removing foreign substances. It is being recycled.

However, the recycled coarse aggregate obtained through this process has higher absorption rate than natural coarse aggregate due to the mortar attached to the aggregate surface, and when used as concrete aggregate, there is a problem in workability, strength and durability. It is not being actively utilized.

In order to solve this problem, the applicant in the Patent Registration Publication No. 10-0689796, the vibration thickening screen, screening screen, storage tank, blister, peeling tank, recycling screen, the third conveyor, the fourth conveyor using a thicker consisting of the fourth conveyor Although the mortar peeler for aggregate has been presented,

This has a problem in that the integral nozzle that rotates by the external power source to generate a strong air pressure inside the blaster is attached, if a part of the nozzle is cracked or damaged, the entire nozzle must be replaced.

In addition, there is no device for adjusting the injection angle of the injection nozzle, there is a problem that you have to manually enter into the separation tank to adjust the angle of the injection nozzle, and because the nozzle size can only be reduced to maintain a constant pressure, clogging The phenomenon easily occurs, and if the nozzle size is increased in order to prevent this, there is a problem that the air pressure generator becomes exponentially large and economic efficiency is lost.

In order to solve the above problems, in the present invention, by replacing the existing sand blast with an impeller, the aggregate can be thrown using the rotational force of the motor rather than the air pressure to solve the fundamental problem caused by the nozzle, The purpose of this is to divide the blades inside the impeller into two or more blades instead of one to secure the economy of the parlor so that it can be detached and detached to save resources and reduce waste disposal costs.

In addition, the spray angle of the impeller can be adjusted to effectively induce mutual collision between the coarse aggregate and the thrown stone powder to produce high-quality circulating coarse aggregate, and the scattering dust generated when peeling the mortar attached to the coarse aggregate. A spraying device can be installed inside to provide a comfortable working environment.In the final stage, a device that blows only air can be used to effectively remove foreign substances on coarse aggregates. The purpose is to provide a coarse aggregate peeling apparatus using an impeller.

In order to achieve the above object, circulating coarse aggregate peeling device using a stepped vibrating screen and a split impeller according to the present invention,

It consists of a device for peeling the coarse aggregate of 9 ~ 25mm screened through the screening screen (3),

The peeling apparatus is basically a plurality of stepped vibrating screen (30) for sorting the recycled aggregates by particle size on the hermetic body (5) mounted on the frame (1a) is installed in an inclined layer structure, the body (5) 2 ~ 9mm stone powder is sprayed at high speed toward the regeneration coarse aggregate falling from the stepped vibrating screen 30 through a plurality of dividing-type impellers 20 installed at an inclined distance with the separation distance at the top. It is attached to the impeller 20 for peeling the mortar attached to the aggregate and crushing segregation to improve the shape, and the spray angle adjusting device 24 for adjusting the spray angle of the impeller, and the circulating coarse aggregate just before discharge. It is achieved by including an air spray nozzle 40 for removing foreign matters such as fine powder, and a watering device 55 for reducing dust.

As described above, in the present invention, the blade inside the impeller is divided into two or more to be attached and detached, thereby saving resources and reducing the disposal cost of waste, and the impact angle of the split impeller can be adjusted. The most efficient recycling aggregate can be produced, and the scattering dust generated during peeling can be removed through the spraying device to provide a comfortable working environment. Pneumatic injector has an effect that can be removed efficiently.

Hereinafter, the above configuration will be described in more detail with reference to the accompanying drawings.

Figure 1 relates to an embodiment showing the structure of the circulating coarse aggregate peeling apparatus using a stepped vibrating screen and a split impeller according to the present invention, which is largely a stepped vibrating screen 30 and a split impeller It consists of 20.

First, the stepped vibration screen 30 according to the present invention will be described.

The staircase vibrating screen 30 is composed of a plurality of layered structure, the aggregate received from 9 ~ 25mm recycled aggregates sorted by the screening screen for screening aggregates 3 from the aggregate conveying conveyor (10), the recycled aggregates and falling Induces a collision with 2-9 mm stone powder sprayed by the high speed jet by the split impeller 20, peels off the mortar attached to the recycled aggregate, and uses the vibration force generated by the vibration generator 7 installed at the end. It serves to transfer the recycled aggregate to the second vibration screen 32, the third vibration screen 33, the fourth vibration screen 34, the fifth vibration screen 35 of the next process.

It is installed inclined in a plurality of layered structure in order to sort the recycled aggregate by the particle size in the closed type sorting device main body 5 mounted on the frame (1a), the first vibration screen 31, the second vibration screen 32, The third vibration screen 33, the fourth vibration screen 34, and the fifth vibration screen 35 are configured.

And, on the top one side where the stepped vibration screen 30 starts, the aggregate input conveying conveyor 10 for inputting 9-25 mm recycled aggregates sorted from the sorting screen 3 for sorting aggregates is configured, and aggregates On the upper end of the portion falling from the feeding conveyor 10, the portion falling from the first vibration screen, the portion falling from the second vibration screen, the portion falling from the third vibration screen, the portion falling from the fourth vibration screen Split impeller 20 has a structure that can adjust the inclination, each is configured, the top of the split impeller 20 stone mill 61 to supply the stone powder of 2 ~ 9mm to the stone powder inlet 25 and The distributor 62 is installed.

In addition, at the bottom of one end of the stepped vibrating screen 30, an air injection nozzle 40 capable of removing foreign matters stuck to the circulating coarse aggregate is installed at the end of the support frame 28, and the mortar is attached to the coarse aggregate. Can be peeled off.

As such, the first conveyor conveyance unit 50 for conveying and discharging the 9-25 mm circular coarse aggregate having an improved shape is configured at the end of the stepped vibration screen.

Then, the stepped vibrating screen 30 according to the present invention, as shown in Figure 2, is formed inclined at 10 ° ~ 45 ° in the lower direction from the horizontal line. If the inclination angle (θ) of the staircase type vibration screen is less than 10 °, it is easy to sort the recycled aggregate, but it may be difficult to discharge. If it is more than 45 °, it is difficult to select the particle size due to the too fast falling of the recycled aggregate. In the present invention, it is most preferable that a stepped vibration screen is installed at a slope between 10 ° and 45 °.

In addition, as shown in Figure 1, the stepped vibration screen 30, the first spring (30c) for supporting while adjusting the front end of the vibration screen on one side of the lower side, and supports while adjusting the stop angle of the vibration screen The second spring 30b and a third spring 30a for supporting while adjusting the rear end angle of the vibrating screen are configured.

As such, the first spring 30c, the second spring 30b, and the third spring 30a are installed at the lower end of the stepped vibration screen 30 to support the vibration screen according to the inclination angle of the vibration screen 30. By giving an inclination angle to the spring, the vibrating screen can be stably supported during vibration.

And, as shown in Figure 1, the stepped vibrating screen 30 is the opposite side of the high-speed jetting direction of the split type impeller 20, aggregate feeding conveying conveyor 10 and the first vibration screen 31 In between, between the first vibration screen 31 and the second vibration screen 32, between the second vibration screen 32 and the third vibration screen 33, the third vibration screen 33 and the fourth vibration screen 34 Between the fourth vibration screen (34) and the fifth vibration screen (35), aggregate blowing prevention film (36) is configured, and due to the high-speed injection from the split impeller (20), the outside of the mortar of the recycled aggregate It is to prevent the separation and to ensure that the recycled aggregate is transported stably to the vibration screen of the layered structure.

In addition, in the present invention, the separation process through the high-speed injection of the impeller 20, the first vibration screen 31, the second vibration screen 32, the third vibration screen 33, the fourth vibration screen ( 34), to the upper one side of the end point of the transfer process through the vibration force of the fifth vibration screen 35, projecting to the coarse aggregate circulating through the nozzle for injecting high-pressure air to remove the foreign matter remaining in the coarse aggregate An air injection nozzle 40 is configured.

In addition, the sprinkling device 55 is a device for scattering and spraying water through the nozzle to remove the scattering dust generated during the peeling process, the left side of the recycled aggregate falling to the first vibration screen 31, the second Left side of the recycled aggregate falling to the vibration screen 32, left side of the recycled aggregate falling to the third vibration screen 33, left side of the recycled aggregate falling to the fourth vibration screen 34, fifth vibration screen It can be configured on the left side of the recycled aggregate falling to (35), respectively.

In the present invention is configured on the left side of the recycled aggregate falling to the fifth vibration screen (35).

In the present invention, the first vibration screen 31, the second vibration screen 32, the third vibration screen 33, the fourth vibration screen 34, the fifth vibration screen 35 to generate a vibration force The vibration generating device 70 is configured.

Next, the split type impeller 20 will be described.

The split impeller 20 according to the present invention is a regeneration of 2 to 9 mm of stone powder falling into the vibrating screen through a plurality of split impeller blades 23 using a centrifugal force installed obliquely on the top of the stepped vibrating screen 30. By spraying at high speed toward the aggregate, the mortar adhering to the recycled aggregate is peeled off and segregation is broken to improve the shape of the granules.

It is divided into a drive motor 21 for generating power, a chain rope 22 for transmitting power generated from the drive motor 21 to the ballast body, and spraying 2 to 9 mm of stone powder at high speed using centrifugal force. The impeller wing 23, and 2 ~ 9mm of stone powder is composed of a stone powder inlet 25 is supplied through the stone chamber 61 and the distributor 62.

And, as shown in Fig. 4, the split impeller blade 23 is configured by connecting a plurality of blades 23b to a circular rotating plate.

Here, the blade 23b is composed of six to eight depending on the size of the recycled aggregate is projected.

In the blade 23b according to the present invention, as shown in FIG. 5, the blade 23b coupled to the rotating plate 23a of the split type impeller 23b is vertically divided into the first blade and the second blade so that It is coupled while detachable to the locking step (23c).

That is, by replacing the worn blade (23b) after assembling, assembling by attaching to the locking jaw (23c) of the rotary plate, it is possible to prevent the detachment of the blade (23b) and at the same time can easily replace only the worn parts there is an economic effect. .

In addition, the split impeller 20 according to the present invention is installed while being supported on the support frame 28 while having a distance of 10 ~ 40cm with a stepped vibrating screen 30 of the layered structure, as shown in FIG. do.

As such, since the divided impeller 20 and the stepped vibrating screen 30 are separately installed, the driving motor 21 of the divided impeller 20 due to the vibration of the vibrating screen 30 is damaged. I can prevent it.

In this case, a dust film using membrane 29 may be installed to prevent dust that may be generated from flowing out.

The dust film 29 is made of a closed type, and is composed of transparent tempered glass and plastic of transparent material.

In addition, the split impeller 20 including the drive motor 21, the chain rope 22, and the split impeller blades 23 is divided into high speed jets to the vibrating screen 30, as shown in FIG. 3. The injection angle adjusting device 24 of the hinge structure is configured on one side of the support frame so that the angle of the type impeller wing 23 can be adjusted according to the inclination angle of the vibration screen through the hinge structure.

As such, since the injection angle adjusting device 24 is configured in the split type impeller 20, the angle of the split type impeller 20 which is injected at high speed can be adjusted according to the inclination angle of the stepped vibrating screen. The mortar adhering to the aggregate can be crushed and peeled most effectively, and segregation can be removed to improve the effect of improving the shape.

Hereinafter, a detailed operation process of the circulating coarse aggregate peeling device using the stepped vibrating screen and the split impeller according to the present invention will be described.

First, the stepped vibrating screen 30 is formed to be inclined at an angle of 20 ° from the horizontal line to the bottom direction, the split impeller 20 has a 40cm distance from the layered vibrating screen 30 while supporting frame 28 It is installed while being supported.

In addition, the first vibration screen 31, a portion falling from the conveying conveyor 10 for the aggregate input through the injection angle adjusting device 24 of the hinge structure configured on one side of the support frame 28 of the split impeller 20. A part falling from the second vibration screen 32, a part falling from the third vibration screen 33, a part falling from the fourth vibration screen 34, a part falling from the fifth vibration screen 35 Adjust the projection angle of the split type impeller so that 2 ~ 4mm, 4 ~ 9mm stone powder is sprayed at high speed.

When the installation of the stepped vibrating screen 30 and the split type impeller 20 is completed, the first vibration screen receives 9-25 mm recycled aggregates sorted from the sorting screen from the transport conveyor 10 for the input of aggregate. Drop to (31).

At this time, 2 ~ 9mm of stone powder is sprayed at high speed from the split impeller outlet 26 of the split impeller 20 toward the recycled coarse aggregate falling to the first vibrating screen 31, and thus the mortar adhered to the recycled aggregate. As LE is crushed, it is peeled off and segregation is crushed to improve the shape.

Aggregate blowing prevention film is composed between the aggregate feeding conveyor 10 and the first vibration screen 31, due to the high-speed spraying of the split impeller 20, the separation is separated to the outside when peeling the adhesive mortar of the recycled aggregate And prevents the recycled aggregate from being stably transferred to the second vibration screen 32.

Subsequently, the circulating coarse aggregate finished by the high-speed injection of the split impeller 20 is transferred to the second vibration screen 32 by vibrating force generated by the vibration generating device 7 of the first vibration screen 31. Falls.

The peeling process through the high-speed spraying and the conveying process by the vibration force are repeated through the third vibration screen 33, the fourth vibration screen 34, and the fifth vibration screen 35, and then the fifth vibration screen. Projects high-pressure air through the air spray nozzle on the coarse aggregate transported and peeled to remove foreign substances remaining in the coarse aggregate.

Through this process, the circulating coarse aggregate in which the mortar attached to the recycled aggregate is peeled out is discharged to the outside through the second conveyor transfer part 50, and the powder of 9 mm or less is divided again through the third conveyor transfer part 60. It can be configured to reuse by re-inserting into the screen for sorting the powder for parlor input.

Figure 1 is an embodiment showing the components of the circulating coarse aggregate peeling device using a stepped vibrating screen and a split type impeller according to the present invention,

Figure 2 is a cross-sectional view showing the structure of the screening screen of the thick coarse aggregate peeling device using a stepped vibrating screen and a split impeller according to the present invention,

Figure 3 is a front view showing the structure of the split type impeller among the circulating thick aggregate peeling device using a stepped vibrating screen and the split type impeller according to the present invention,

4 is a cross-sectional view showing that the split impeller according to the present invention is configured by connecting a plurality of blades 23b to a circular rotating plate;

5 is a blade 23b coupled to the rotating plate 23a of the split impeller wing 23 according to the present invention is vertically divided into a first blade and a second blade and detachably coupled to the locking step 23c of the rotating plate. One embodiment also shows that.

※ Brief description of reference numerals ※

 3: Sorting screen 10: Aggregate feeder conveying conveyor

20: split impeller 30: vibrating screen

31: first vibration screen 32: second vibration screen

33: third vibration screen 34: fourth vibration screen

35: fifth vibration screen

Claims (6)

In the apparatus for peeling the coarse aggregate of 9 ~ 25mm screened through the screening screen (3), The peeling apparatus is basically a plurality of stepped vibrating screen (30) for sorting the recycled aggregates by particle size on the hermetic body (5) mounted on the frame (1a) is installed in an inclined layer structure, the body (5) Regenerates 2 to 9mm of stone powder from the stepped vibrating screen 30 at high speed toward the coarse aggregate falling from the stepped vibrating screen 30 through a plurality of dividing-type impeller blades 23 installed at an inclined distance with the separation distance at the top. Hinged structure of the split impeller 20 for peeling the mortar attached to the coarse aggregate and crushing segregation to improve the shape, and the split impeller blade 23 sprayed at high speed to the vibration screen 30. Through the spray angle control device 24 that can be adjusted to the inclination angle of the vibrating screen through a nozzle for injecting high-pressure air immediately before the discharge to the circulating coarse aggregate remains in the circulating coarse aggregate The circulating coarse aggregate peeling device, characterized in that it comprises an air spray nozzle (40) for removing foreign matter, and a watering device (55) for scattering and spraying water through a nozzle to reduce dust generation. delete The method of claim 1, wherein the stepped vibration screen 30 is a coarse aggregate peeling device using a stepped vibrating screen and a split impeller, characterized in that formed in the inclined 10 ° to 45 ° in the lower direction from the horizontal line. According to claim 1, Vibrating screen 30 has a first spring (30c) for supporting while adjusting the angle of the front end of the screen, the second spring (30b) for supporting while adjusting the angle of the stop of the screen Circulating coarse aggregate peeling apparatus using a stepped vibrating screen and a split impeller comprising a third spring (30a) to support while adjusting the rear end angle of the screen. The first vibrating screen according to claim 1, wherein the vibrating screen (30) is between the conveying conveyor (10) and the first vibrating screen (31) for aggregate injection, which are opposite to the high-speed jetting direction of the split impeller (20). Between the 31 and the second vibration screen 32, between the second vibration screen 32 and the third vibration screen 33, between the third vibration screen 33 and the fourth vibration screen 34, the fourth vibration The aggregate coarse aggregate peeling device using a stepped vibrating screen and a split type impeller is characterized in that the aggregate blowing prevention film 36 is formed between the screen 34 and the fifth vibration screen 35. According to claim 1, the split impeller 20 is a blade 23b coupled to the rotating plate 23a of the split impeller blade 23 is vertically divided into a first blade and a second blade rotating plate 23a Circulating coarse aggregate peeling device using a stepped vibrating screen and a split type impeller, characterized in that coupled to the engaging jaw (23c) of detachable.

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