KR200440737Y1 - Plant for recycling of waste asphalt concrete or waste concrete with agitation hopper - Google Patents

Abstract

The present invention relates to a waste ascon or waste concrete recycling plant equipped with a stirring hopper, more specifically, the sorting means (10) having a screen to sort waste ascon or waste concrete of a particle size of a predetermined size or less, and the sorting At least one conveyor for transporting the used waste ascon or waste concrete, at least one metering means 30 for metering out the sorted waste ascon or waste concrete, a stirring hopper 70 for mixing water and an emulsifier, And a mixer 90 for mixing the metered conveyed waste ascon or waste concrete with a water-emulsifier mixture and cement, wherein the stirring hopper 70 has a water-emulsifier inlet 92 of the mixer 90 at the bottom thereof. Connected discharge pipe 73 is provided, the inside is provided with an impeller 76 to rotate in conjunction with the drive motor 75 is a water-emulsifier mixture 77 is stirred and mixed with water and emulsifier for a certain time Document relates to a waste or waste concrete asphalt recycling plant is configured such that the inlet (90).

Description

Waste ascon or waste concrete recycling plant with stirring hopper {Plant for recycling of waste asphalt concrete or waste concrete with agitation hopper}

1 is a schematic view showing the overall configuration of the waste ascon or waste concrete recycling plant according to an embodiment of the present invention.

FIG. 2 is a front view showing the configuration of waste ascon or waste concrete measuring means as the A-A direction observation diagram of FIG. 1;

Figure 3 is a block diagram of the stirring hopper of the waste ascon or waste concrete recycling plant according to an embodiment of the present invention.

4 is a block diagram of a mixer of waste ascon or waste concrete recycling plant according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

10: sorting means 20: first conveyor

30: measuring means 40: third conveyor

60: through unit 70: stirring hopper

72: water supply tank 73: discharge pipe

75: drive motor 76: impeller

77 water-emulsifier mixture 80 emulsifier tank

90 mixer 91 ascon inlet

92 water-emulsifier inlet 93 cement inlet

The present invention relates to a waste ascon or waste concrete regeneration plant equipped with a stirring hopper, and more specifically, water and emulsifiers in a hopper equipped with an impeller at a stage before the waste ascon or waste concrete and a cement and water-emulsifier mixture are introduced into a mixer. The present invention relates to a waste ascon or waste concrete recycling plant equipped with a stirring hopper for mixing and stirring the mixture at an appropriate ratio and injecting the mixture into a mixer.

In general, asphalt and concrete are commonly used as road pavement materials. Recently, as automobiles become larger and more frequent, more external factors are applied to the pavement, causing problems such as cracking, peeling, and partial damage on the pavement. .

This problem not only impedes the flow of the vehicle but also threatens the safety of road users. Therefore, road renovation is carried out to ensure normal driving and safety. In this process, a large amount of waste asphalt (asphalt and concrete) Occurs.

However, ascon is composed of chemical by-products, so if the discarded ascon has a serious impact on environmental pollution, it is necessary to regenerate them as much as possible to prevent environmental pollution. Many treatment apparatuses or methods capable of reclaiming waste ascon have been proposed.

As an example, Korean Patent Laid-Open Publication No. 10-2005-0107716 includes a hopper including a crusher so that the collected waste ascon may be shredded in a predetermined particle size unit by a predetermined amount, and the waste discharged from the crusher. The transport means for accommodating the ascon and sequentially moving it, and the waste ascon conveyed from the conveying means is separated and sorted, and then only the waste ascon having a particle size of a predetermined size or less proceeds to the next process, and the rest is a separate transport means. Spiral screw for the sorting means for forced transfer to the hopper through the hopper, and the emulsifier, coarse aggregate, fine aggregate and asphalt, which have been metered so that the waste ascon through the sorting means can be recycled into high quality ascon, The built-in heating means and the ascon melt mixed with the heating means can be discharged in an arbitrary amount. It proposes a waste asphalt reproducing apparatus provided with a discharge chute having an adjusting function.

An emulsifier is a chemical additive for changing the physical property in the mixing process, the physical property of the recycled ascon, etc. to a desired state, such as increasing the strength of the recycled ascon or adjusting the curing rate.

By the way, according to the prior art, the waste ascone, the emulsifier and other aggregates, etc. are mixed into the heating means in which the screw is built as it is without a separate mixing process, but according to this process, the emulsifier is mixed with the waste ascone or other aggregates. When it is excessively distributed in a certain part or insignificantly in a certain part, there is a problem that the emulsifier exerts its properties such as rapid hardening or increased strength of the recycled ascon, and thus, the quality of the recycled ascon is deteriorated. Cause problems.

Accordingly, the present invention is to solve the above problems, its purpose is to inject the cement, water and emulsifier into the mixer to regenerate the waste ascon or waste concrete in the hopper equipped with an impeller in the step before stirring Stir to allow the emulsifier to be uniformly distributed and mixed with additives, such as waste ascon or waste concrete, and cement, by adding an emulsifier at an appropriate ratio and stirring it for a predetermined time so that the water-emulsifier mixture with evenly distributed water and emulsifier is added to the mixer. To provide a waste ascon or waste concrete recycling plant equipped with a hopper.

The present invention for achieving the above object, the screening means 10 is provided with a screen for sorting waste ascon or waste concrete of a particle size of a predetermined size or less, and at least one conveyor for transporting the sorted waste ascon or waste concrete And water-emulsifying the at least one metering means 30 for metering out the sorted waste ascon or waste concrete, a stirring hopper 70 for mixing water and an emulsifier, and the metered conveyed waste ascon or waste concrete. Mixer 90 is mixed with the mixture and cement, wherein the stirring hopper 70 is provided with a discharge tube 73 connected to the water-emulsifier inlet 92 of the mixer 90 at the bottom, the drive motor therein Impeller 76 is provided to rotate in conjunction with the 75 is characterized in that the water and the emulsifier is a water-emulsifier mixture 77 is stirred and mixed for a predetermined time is configured to enter the mixer 90.

More preferably, a valve for controlling the discharge of the water-emulsifier mixture 77 is formed at the bottom of the stirring hopper so that the water-emulsifier mixture is metered out to inject an appropriate amount into the mixer.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a schematic view showing the overall configuration of the waste ascon or waste concrete recycling plant according to an embodiment of the present invention, Figure 2 is a AA direction view of Figure 1 showing the configuration of the waste ascon or waste concrete measuring means Front view.

The waste ascon or waste concrete recycling plant of the present invention with reference to FIGS. 1 and 2 includes a sorting means (10) having a screen in the form of a net for sorting only waste ascon or waste concrete having a particle size of a predetermined size or less, and the selection. At least one conveyor for transporting the used waste ascon or waste concrete, and a unit 60 provided with a mixer 90 for mixing the transferred waste ascon or waste concrete with an appropriate amount of emulsifier, water, and cement. .

The sorting means 10 is provided with a screen of the form of the net is fed the waste ascon or waste concrete pulverized in the previous step passes only having a certain particle size, and asbestos larger than the size allowed by the screen to filter a certain size, Preferably, the waste ascon or waste concrete having a size of about 25 mm or less is transferred to the first conveyor 20, and the first conveyor 20 transfers the waste ascon or waste concrete to the weighing means 30, which is the next step.

The metering means 30 is such that the sorted waste ascon or waste concrete is discharged to the third conveyor 40 only by a predetermined amount, that is, the waste ascon or waste concrete is weighed to the unit 60 during the next process. It is a device for conveying.

As shown in FIG. 2, the metering means 30 includes a vibration hopper 31 for receiving waste ascon or waste concrete supplied through the first conveyor 20, and a metering hopper below the vibration hopper 31. (36) is provided, the lower end of the weighing hopper 36 is provided with an opening and closing controller 37 for controlling the opening and closing of the outlet of the metering hopper 36, the waste ascon or waste concrete accommodated in the vibration hopper 31 is weighing hopper When introduced into the 36, the metering hopper 36 is loaded on the second conveyor 38 by the required amount through the control of the opening / closing controller 37 and then sent to the third conveyor 40 of FIG. 1.

At this time, the vibration hopper 31 is provided with a general vibration device so that the waste ascon or waste concrete contained in the vibration hopper 31 can be discharged smoothly, and the second conveyor is deleted to remove the weighing hopper 36 The conveying means constituting the conveyor may be variously changed, such that waste ascon or waste concrete discharged from) may be directly loaded onto the third conveyor 40.

Referring to Figure 1 is loaded in the ascon hopper 50 provided in the unit 60 between the waste ascon or waste concrete transported through the third conveyor 40, the loaded ascon is located at the bottom of the ascon hopper 50 The amount of titration is introduced into the mixer 90 by metering by the adjusted controller 51.

The mixer 90 is a device for mixing the emulsifier, water and cement together with the waste ascon or waste concrete, and a loading space 5 for loading the mixed recycled ascon into the vehicle is formed under the mixer 90. have.

The shape and arrangement of the unit 60 is not limited to the example shown between the above, and also mixtures for the recycling of waste ascon or waste concrete are also common. For example, a cement tank 61 is provided at an upper portion of the unit 60, and the cement is introduced into the mixer 90 through a cement hopper 62.

The water is pumped by a pressure sending means such as a pump and stored in the water supply tank 72, the appropriate amount is supplied to the mixer 90, and the emulsifier for adjusting the physical properties is also stored in the emulsifier storage tank 80, It is weighed and put into the mixer 90.

At this time, the water and the emulsifier introduced into the mixer 90 is preferably mixed first in the stirring hopper 70 and then supplied to the mixer 90, which is the water and emulsifier through the stirring hopper 70 as described above The evenly distributed water-emulsifier mixture is introduced into a mixer to uniformly distribute the emulsifier in additives such as waste ascon or waste concrete and cement, thereby maximizing the change of physical properties by the emulsifier.

Figure 3 is a block diagram of the stirring hopper of the waste ascon or waste concrete recycling plant according to an embodiment of the present invention, Figure 4 is a block diagram of a mixer of the waste ascon or waste concrete recycling plant according to an embodiment of the present invention.

As shown in Figure 3 and 4, the bottom of the stirring hopper 70 is formed with a discharge pipe 73, the discharge pipe 73 is connected to the water-emulsifier inlet 92 located at the top of the mixer 90, Inside the stirring hopper 70 is provided with an impeller 76 that rotates in conjunction with the drive of the drive motor (75).

In addition, an emulsifier storage tank 80 is formed on the stirring hopper 70 to allow the emulsifier to flow into the stirring hopper 70, and water discharged from the water supply tank 72 also flows into the stirring hopper 70. .

On the other hand, the stirring blade (not shown) installed inside the mixer 90 is installed on the driven shaft 97, both ends rotatably arranged in the mixer 90, the driven shaft 97 is a drive shaft 94 The driven rotational force is transmitted through the chain 95 to rotate the pulley 96 which is directly connected to the driven shaft 97.

The action of this configuration results in a water-emulsifier mixture 77 in which water and emulsifiers introduced into the stirring hopper 70 are evenly mixed by the rotation of the impeller 76, and the water-emulsifier mixture 77 is It is discharged through the discharge pipe 73 and injected into the water-emulsifier inlet 92 of the mixer 90 described above.

At this time, a valve (not shown) for controlling opening and closing of the discharge pipe 73 is provided at the bottom of the stirring hopper 70 to measure the water-emulsifier mixture 77 so that the water-emulsifier mixture 77 is opened only when the valve is opened. Allow it to drain and allow for constant stirring and mixing through the impeller when closed.

As described above, when the water-emulsifier mixture 77 is introduced into the mixer 90 and waste ascon or waste concrete is introduced through the ascon inlet 91 and the appropriate amount of cement is introduced through the cement inlet 93, water Emulsifier mixture 77 and cement, waste ascone or waste concrete are mixed with a stirring vane (not shown) installed in mixer 90.

In this process, since the emulsifier is evenly dissolved in water, the emulsifier may be uniformly distributed and mixed with waste ascon or waste concrete and cement.

Although the above description has been made by way of example of very limited embodiments of the present invention, those skilled in the art to which the present invention pertains various modifications or changes within an easy level range based on such description. It should be understood that such modifications are within the scope of the utility model registration of the present invention.

According to the waste ascon or waste concrete recycling plant equipped with the stirring hopper of the present invention as described above, an impeller is provided at a stage before mixing waste ascon or waste concrete with cement, water, and emulsifier to recycle waste ascon or waste concrete. Water and emulsifiers are added to the hopper in a suitable ratio and stirred for a predetermined time. The water-emulsifier mixture with evenly distributed water and emulsifiers is injected into a mixer in which cement and waste ascones or waste concrete are added. Evenly distributed and mixed with additives, such as cement.

Therefore, while being able to sufficiently exhibit the emulsifier properties for changing the physical properties such as rapid curing or increasing the strength, it has the effect of reducing the mixing time in the mixer and economically and quickly perform the recycling process of waste ascon or waste concrete.

Claims (2)

delete A sorting means (10) provided with a screen for sorting waste ascon or waste concrete having a particle size of a predetermined size or less; At least one conveyor for transporting the sorted waste ascon or waste concrete; At least one metering means 30 for metering and discharging the sorted waste ascon or waste concrete; A stirring hopper 70 for mixing water and an emulsifier, A mixer 90 for mixing the metered conveyed waste ascon or waste concrete with a water-emulsifier mixture and cement, The stirring hopper 70 is provided with a discharge pipe 73 connected to the water-emulsifier inlet 92 of the mixer 90 at the bottom, the impeller 76 is rotated in cooperation with the drive motor 75 therein The water-emulsifier mixture 77 in which water and an emulsifier are stirred and mixed for a predetermined time is configured to flow into the mixer 90, A waste ascon or waste concrete recycling plant equipped with a stirring hopper, characterized in that a valve for controlling the discharge of the water-emulsifier mixture (77) is formed at the bottom of the stirring hopper.

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