KR200282678Y1 - Processing System of Synthetic Resins-Paper Mixed Waste Matter - Google Patents

Abstract

The present invention relates to a system for recycling synthetic resin-paper mixed waste. The present invention system is a crushing device for pulverizing the synthetic resin-paper mixed waste (10); A vortex separator (20) for separating the pulverized mixed waste from the heavyweight co-synthetic resin component and the paper component aggregate with the low weight paper component dust; A dust collecting device 30A for filtering the paper component dust from the vortex separator 20 to recover the paper component; A shredding drum screen sorting device (40) for sorting the crude synthetic resin component and the paper component aggregate from the vortex separator (20) into powdered crude paper components and crude synthetic resin components; Wind sorting device 50A for filtering crude paper components passing through screen 46A of shredding drum screen selection device 40 into paper components passing through filter 51 and synthetic resin components filtered through filter 51 ; A dust collecting device 30B for filtering the paper component passing through the filter 51 of the wind power selection device 50A to recover the paper component; A high speed separation device 60 for further pulverizing the crude-synthetic resin component filtered by the shredding drum screen selection device 40 to separate the remaining paper component from the synthetic resin component; A windscreen selection device 50B for filtering the paper component and the synthetic resin component separated by the high speed separator 60 to separate the paper component passed through the filter 51 and the synthetic resin component filtered through the filter 51; And a dust collecting device 30C for filtering the paper component passing through the filter 51 of the wind power selection device 50B to recover the paper component.

Description

Processing System of Synthetic Resins-Paper Mixed Waste Matter}

(Technology)

The present invention relates to a synthetic resin-paper mixed waste treatment system, and more particularly, to a synthetic resin-paper mixed waste treatment system that recyclably separates paper and synthetic resin components from waste in which synthetic resin and paper are mixed.

(Background)

Among the papers used in daily life, a lot of papers coated with various plastic synthetic resin films such as vinyl coated wallpaper are used.

Synthetic resin coating paper has various advantages such as improving the durability of relatively weak paper and preventing surface contamination by foreign substances, but it has a problem that it is not easy to process waste paper and it is expensive. The same problem occurs in other synthetic resin-paper mixed wastes in addition to the synthetic resin coated paper.

In the environment where resource recycling is generalized in relation to environmental pollution and resource depletion caused by industrial development, the synthetic resin-paper mixed waste cannot be recycled by landfill or incineration despite the difficulty of reprocessing and high cost. It is one of the resources.

The most commonly applied method of reclaiming synthetic resin-paper mixed waste has been to separate paper and synthetic resin by physical force and finally wash it with washing water to separate paper from synthetic resin.

As such, the conventional wet method using the washing water has a problem that a large amount of waste water requiring a waste water treatment facility is generated as a by-product, as well as having a drying facility that requires energy.

As an alternative to solve the problem of wet treatment of synthetic resin-paper mixed waste, Korean Utility Model Registration No. 252176, "Vinylated Paper and Paper Separation Device of Waste Coating Paper," is proposed. After pulverizing, it is basically based on the screening of vinyl and paper components. However, the screening efficiency of the vinyl and paper components is not high.

It is an object of the present invention to provide a synthetic resin-paper mixed waste treatment system which can separate paper and synthetic resin components with higher sorting efficiency by solving the problems of the apparatus and methods for treating synthetic resin-paper mixed waste as described above. I would like to.

1 is an overall configuration of a synthetic resin-paper mixed waste treatment system according to the present invention,

Figure 2 is a schematic diagram of a crusher (crushing device) applicable to the present invention,

Figure 3 is a schematic diagram of another grinding apparatus (pulverizing apparatus) applicable to the present invention,

Figure 4 is a schematic view of the vortex type separator applicable to the present invention,

5 is a front view of a shredding drum screen selection apparatus applicable to the present invention,

Figure 6 is a side view of the shredding drum screen selection apparatus applicable to the present invention,

Figure 7 is a schematic diagram of a high speed separation apparatus applicable to the present invention.

<Description of Symbols for Main Parts of Drawings>

1: System 10 of the Invention 10: Crusher 10A: Crusher

10B: Grinding Machine 11: Cutting Blade 15: Hammer

20: Vortex Separator 30, 30A, 30B, 30C: Dust Collector

40: shredding drum screen selection device 41: motor 42: screw conveyor

43: shaft 44: impeller 45: motor

46: rotary drum 47: lifter 48: nozzle

52: input hopper 53: outlet 60: high speed separator

According to the present invention, there is provided a synthetic resin-paper mixed waste treatment system which recyclably separates a paper component and a synthetic resin component from a synthetic resin-paper mixed waste.

In the present invention, synthetic resin-paper mixed waste basically means waste in which synthetic resin and paper are mixed, but paper having a broad meaning including waste in which gypsum board or synthetic wood is mixed with paper in addition to synthetic resin Means waste.

According to the present invention, there is provided a synthetic resin-paper mixed waste treatment system including a pulverizer, a vortex separator, a dust collector, a crushed drum screen separator, a wind separator, and a high speed separator.

The pulverizing device is a device for finely crushing the synthetic resin-paper mixed waste, and through this device, the synthetic resin-paper mixed waste is pulverized to about 1 mm or less in paper and about 5-10 mm in synthetic resin, and about 95% of the paper surface is synthetic resin. Depart from

The vortex separator is a device for vortexing the synthetic resin-paper mixed waste pulverized by the pulverizer with air to separate heavy coarse-synthetic resin component, paper component aggregate and low weight paper component dust by the difference in density. to be. The paper component dust separated by the vortex type separator contains almost pure paper components, and the separated co-synthetic resin component and paper component aggregate contain synthetic resin and paper component aggregate of about 5-10 mm in size.

The paper component is sent to the dust collector for collection and recycling, and the crude-synthetic resin component and the paper component aggregate are sent to a shredding drum screen sorting device to separate the paper component from the crude-synthetic resin component and to separate the paper component aggregate. Powder into the screen.

The component passed through the screen of the shredding drum screen selection device is a coarse-paper component comprising about 80% paper and about 20% synthetic resin component, and the coarse-paper component is sent to the windscreen device. After being sorted into a paper component and a synthetic resin component, the paper component is collected and recycled by the dust collector or a separate dust collector, and the synthetic resin component is also collected and recycled.

The component that does not pass through the screen of the shredding drum screen sorting device is a co-synthetic resin component containing about 20% paper component and about 80% synthetic resin component, and the co-synthetic resin component is transferred to the high speed separator. The paper component finally sent is separated from the synthetic resin component.

The crude-synthetic resin component from the high-speed separator is sent to the windscreen or a separate windscreen, and sorted into paper and synthetic resin components, and then collected and recycled.

(Example)

Hereinafter, with reference to the accompanying drawings will be described in detail the synthetic resin-paper mixed waste treatment system according to the present invention. The following examples merely illustrate the synthetic resin-paper mixed waste treatment system according to the present invention, but are not intended to limit the scope of the present invention.

1 is an overall configuration diagram of a synthetic resin-paper mixed waste treatment system according to the present invention, Figure 2 is a schematic diagram of a crushing device (crushing device) applicable to the present invention, Figure 3 is another crushing device (pulverizing) applicable to the present invention 4) is a schematic view of a vortex separator applicable to the present invention, FIG. 5 is a front view of a crushing drum screen selection device applicable to the present invention, and FIG. 6 is a crushing drum screen selection device applicable to the present invention. 7 is a schematic view of a high speed separation apparatus applicable to the present invention.

As shown in Figure 1, the synthetic resin-paper mixed waste treatment system 1 according to the present invention, the grinding device 10, the vortex separator 20, dust collector (s) (30, 30A, 30B, 30C), shredding drum screen screening device 40, wind screening device (s) 50, 50A, 50B and high speed separation device 60.

First, the crusher 10 is a device for pulverizing the synthetic resin-paper mixed waste of various sizes to a small size. The grinding apparatus 10 applicable to the present invention is not particularly limited as long as it can finely cut and crush the synthetic resin-paper mixed waste.

Although the pulverizing apparatus 10 may be configured as a single apparatus, as shown in Figs. 1 to 3, a crushing apparatus 10A for preliminary crushing of mixed waste of various sizes into a predetermined size (for example, 50-200 mm). ) And the pre-crushed mixed waste may be separated into a two-stage device of a pulverizing device (10B) for pulverizing to a smaller size.

The mixed waste 3 loaded on the yard 2 is first thrown into the shredding device 10A through a conveyor or the like and shredded. As the shredding device 10A, for example, as shown in Fig. 2, a device of the type which roughly shreds the mixed waste 3 with the rotating cutting blade 11 can be used. That is, the mixed waste 3 is forcibly guided by the guide vanes 13 into the input hopper 12A of the housing 12 and is uniformly crushed by the cutting blades 11. In FIG. 2, reference numeral 12B denotes an actuator (piston) for adjusting the angle of the housing 12, and reference numeral 12C denotes an outlet through which the crushed mixed waste 3 is discharged. In Fig. 1, reference numeral 14 denotes a conveyor for transporting the mixed waste 3 to the shredding apparatus 10A. The mixed waste 3 that has passed through this shredding device 10A is uniformly shredded to a size of about 50-200 mm.

The mixed waste 3 uniformly shredded by the shredding device 10A is introduced into the fine grinding device 10B. The fine pulverizing device 10B is a device for finely pulverizing the synthetic resin-paper mixed waste pulverized by the crushing device 10A into, for example, about 1 mm of paper and about 5-10 mm of resin.

The pulverizing device 10B is not particularly limited as long as it can pulverize the waste to the size described above. For example, the mixed waste may be removed by centrifugal repulsion by the hammer 15 rotating at high speed as shown in FIG. A centrifugal repulsive fine grinding device can be used for fine grinding. Reference numeral 16 in FIG. 3 denotes a drive motor of the hammer 15, and reference numeral 17 in FIG. 1 denotes a conveyor for transferring coarse grinding waste to the fine grinding device 10B.

Through the pulverization process in the pulverizing device 10 as described above, the synthetic resin-paper mixed waste 3 is pulverized to a fine size as described above, and the waste in which the synthetic resin and paper are bonded together, such as secret coated paper, 95% of the paper is separated from the synthetic resin.

Waste that has passed through the crusher 10 is introduced into the vortex separator 20. The vortex separator is a device for separating the dusty paper component completely separated from the pulverized waste from the synthetic resin component and the unseparated paper component.

As shown in Figs. 1 and 4, the vortex type separator 20 has its housing 21 as a whole having a funnel shape and forced air is exhausted while forming a vortex. In this process, the pulverized waste introduced into the vortex swirls with the airflow, and due to the density difference, the low density paper component dust in the dust state rises and is discharged to the upper side, and the high density crude synthetic resin component (synthetic resin, gypsum, etc. Since it contains some components, it is called coarse-synthetic resin component) and paper component agglomerates where paper components are aggregated.

As the pulverized mixed waste passes through the vortex separator 20, the paper dust floating upwardly and discharged upwards contains almost pure paper components, and the paper dust is then known dust as illustrated in FIG. 1. Filtered and collected while passing through the apparatus 30: 30A, the collected paper dust is compressed into, for example, a paper mass 4 for recycling. The dust collecting device 30A of FIG. 1 illustrates a bag filter type dust collecting device, and in FIG. 1, reference numeral 31A denotes an exhaust fan that applies negative pressure to the dust collecting device 30A.

The components discharged downward to the lower side of the vortex type separator 20 include paper components aggregated in agglomerates and paper components aggregated into agglomerates and paper components which are not separated from the paper component, although the paper components are first removed. As such, the paper is sent to the shredding drum screen sorting device 40 to sort out the paper components.

The crushing drum screen selection device 40 is a device for crushing the crude-synthetic resin component and the paper component aggregate from the vortex separator 20 and filtering the crude paper and the crude-synthetic resin component by screening.

5 and 6, the shredding drum screen sorting device 40 is rotated by a motor 41 and a shaft 43 having a screw conveyor 42 upstream, and radially formed on the shaft 43. A plurality of impellers 44 attached to the rotating drum 46, which surrounds the impeller 44 and rotates by a motor 45, the screen 46A is installed on the periphery, is formed on the inner peripheral surface of the rotating drum 46 And a lifter 47 for agitating the coarse-synthetic resin component and the paper component agglomerate, and a plurality of nozzles 48 installed above the rotary drum 46 to inject air to the housing 49. It is. In FIG. 1, reference numeral 48A denotes a compressor for supplying air to the nozzle 48.

In the housing 49, an injection hopper 49A is formed upstream of the screw conveyor 42, and a conveying screw for conveying and discharging the crude paper component passed through the screen 46A to the lower side of the screen 46A. 49B is provided, and on the lowermost side of the rotating drum 46, a conveying screw 49C for conveying and discharging the crude-synthetic resin component which is not filtered by the screen 46A is formed.

According to the configuration of the shredding drum screen selection device 40, the coarse-synthetic resin component and the paper component agglomerate introduced into the feeding hopper 49A are transferred into the rotating drum 46 by the rotation of the screw conveyor 42, Then, it is pulled upward by the lifter 47 and then subjected to a series of treatments that are crushed by the impeller 44 while falling, so that the paper component agglomerates are powdered and the crude-synthetic resin component is further pulverized while the paper component is separated from the synthetic resin component. Are separated. The air injected from the nozzle 48 is for removing clogging of the screen 46A.

In this process, the coarse-paper component having a size of 2 mm or less that passes through the screen 46A (eg, a screen having a mesh of about 2 mm) is discharged from the shredding drum screen sorting device 40 by the transfer screw 49B and the screen is removed. The crude-synthetic resin component which has not passed 46A is discharged from the crushing drum screen selection device 40 by the transfer screw 49C.

The components passed through the screen 46A are mainly composed of paper (approximately 80%), but also contain some synthetic resin (less than 20%) of 2 mm or less (for this reason, they are called 'crude-paper'). It is necessary to separate the synthetic resin component, for this purpose, the crude paper component is transferred to the wind selector (50A).

As illustrated in FIG. 1, the wind turbine 50A includes a plurality of filters 51 (eg, about 2 mm mesh) installed in multiple stages to vibrate by a motor (not shown), and a dust collector installed downstream thereof. The negative pressure is received by 30B. Therefore, the crude paper component introduced into the input hopper 52 is scattered and filtered while descending along the vibrating filter 51.

As the dust collecting device 30B, the dust collecting device 30A downstream of the above-described vortex separator 20 may be used as a combination, or may be separately installed and used as shown in FIG. Reference numeral 31B denotes an exhaust fan that applies negative pressure to the dust collector 30B.

The paper component that has passed through the filter 51 is collected by the dust collector 30B and made into a paper component 4 through recycling, for example, and recycled, and the synthetic resin component that has not passed the filter 51. The silver is discharged to the outlet 53 and is molded into, for example, a synthetic resin ingot 5 for recycling.

In the shredding drum screen sorting device 40, the coarse-synthetic resin component, which has not passed through the screen 46A, is already composed of a synthetic resin component (approximately 80%) because many paper components have been removed, but some paper is bonded to the synthetic resin surface. It contains ingredients (about 20%) and needs to be separated.

Thus, the crude-synthetic resin component from the crushing drum screen selection device 40 is transferred to the high speed separation device 60 to separate the remaining paper component from the synthetic resin component.

As illustrated in FIG. 7, the high speed separation device 60 has a blade 62 that rotates at a high speed by the motor 61, and serves to separate the paper attached to the synthetic resin. When the crude synthetic resin component passes through the high-speed separator 60, almost all paper components are separated from the synthetic resin. In FIG. 7, reference numeral 63 denotes an input hopper, reference numerals 64 and 65 denote an induction fan and a motor for inducing the crude-synthetic resin component to the blade 62, and reference numeral 66 denotes an outlet.

The crude-synthetic resin component that has passed through the high-speed separator 60 is sent to the wind separator 50B having the same structure as the wind separator 50A, and is supplied to the input hopper 52 in the same manner as described above to filter 51. ) Is separated into paper component and synthetic resin component. The paper component passing through the filter 51 is again filtered and collected and recycled by the dust collector 30C, and the synthetic resin that has not passed through the filter 51 is also collected and recycled.

The wind classifier 50B may be used in combination with the above-described wind classifier 50A, or may be separately installed as shown in FIG. In addition, the dust collector 30C may also be used in combination with the above-described dust collectors 30A and 30B, and may also be used in combination with the dust collector 30B as shown in FIG.

According to the synthetic resin-paper mixed waste treatment system 1 according to the present invention described above, the synthetic resin-paper mixed waste is divided into a pulverizer 10, a vortex separator 20, a dust collector 30, 30A, 30B, 30C), through the shredding drum screen screening device 40, the wind screening device (50, 50A, 50B) and the high-speed separation device 60, the paper and synthetic resin components can be almost completely separated dry, There is an effect that the resin-paper mixed waste can be almost completely recycled into paper and resin, without the problem of pollution and increase of cost.

In particular, in the system 1 of the present invention, the paper component aggregates agglomerated in the shredding process are powdered by the shredding drum screen sorting device 40, screened and sorted, and then sorted by the wind sorting device 50 again. The paper component can be prevented from being processed in the state mixed with the synthetic resin component as much as possible, and thus, the recycling rate of the synthetic resin-paper mixed waste can be improved.

Claims (4)

A pulverizing apparatus 10 for pulverizing the synthetic resin-paper mixed waste; A vortex separator (20) for separating the pulverized synthetic resin-paper mixed wastes with air to separate the descending heavy-synthetic resin component and paper component aggregates from the floating low-weight paper component dust; A dust collecting device (30A) for filtering the paper component dust from the vortex separator (20) to recover the paper component; The co-synthetic resin component and the paper component aggregate from the vortex separator 20 are crushed with an impeller 44 with agitation with a rotating drum 46 and a lifter 47 and filtered by a screen 46A. A shredding drum screen sorting device (40) for sorting into a powdered crude paper component and a crude synthetic resin component; The paper component and the filter having passed through the filter 51 by filtering the crude paper component that has passed through the screen 46A of the shredding drum screen selection device 40 by applying wind power. A wind separator 50A separating the synthetic resin component filtered by 51); A dust collector (30B) for filtering the paper component passing through the filter (51) of the wind power sorting device (50A) to recover the paper component; A high speed separation device (60) for further pulverizing the crude-synthetic resin component filtered by the shredding drum screen selection device (40) to separate the remaining paper component from the synthetic resin component; The paper component and the synthetic resin component separated by the high-speed separator 60 are filtered by the filter 51 in the state of applying wind, and the paper component passed through the filter 51 and the synthetic resin component filtered by the filter 51. Wind sorting device for separating (50B); And A dust collecting device (30C) for filtering the paper component passing through the filter (51) of the wind power sorting device (50B) to recover the paper component; Synthetic resin-paper mixed waste treatment system comprising a. The fine grinding apparatus of claim 1, wherein the grinding apparatus (10) finely grinds the crushing apparatus (10A) for coarsely pulverizing the synthetic resin-paper mixed waste and the mixed waste coarsely pulverized by the crushing apparatus (10A). Resin-paper mixed waste treatment system, characterized in that separated by a pulverizer (10B). The synthetic resin-paper mixed waste treatment system according to claim 1, wherein the dust collectors (30A, 30B) and the wind power generators (50A, 50B) are each provided as separate devices. The shredding drum screen sorting device 40 according to any one of claims 1 to 3, wherein the shredding drum screen sorting device (40) is rotated by a motor (41) and a screw conveyor (42) is formed upstream, the shaft ( A plurality of the impeller 44 radially attached to 43, the rotary drum 46 surrounding the impeller 44, rotated by a motor 45 and provided with a screen 46A around it, the rotating drum A plurality of nozzles 48 formed on the inner circumferential surface of the 46 and installed above the lifter 47 for stirring the coarse-synthetic resin component and the paper component aggregate and the rotary drum 46 to inject air; Resin-paper mixed waste treatment system comprising a.