KR102030024B1 - Apparatus for reducing volume of waste styrofoam - Google Patents

Apparatus for reducing volume of waste styrofoam Download PDF

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Publication number
KR102030024B1
KR102030024B1 KR1020170090407A KR20170090407A KR102030024B1 KR 102030024 B1 KR102030024 B1 KR 102030024B1 KR 1020170090407 A KR1020170090407 A KR 1020170090407A KR 20170090407 A KR20170090407 A KR 20170090407A KR 102030024 B1 KR102030024 B1 KR 102030024B1
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KR
South Korea
Prior art keywords
waste styrofoam
styrofoam
unit
waste
mesh
Prior art date
Application number
KR1020170090407A
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Korean (ko)
Other versions
KR20190008704A (en
Inventor
오명석
이종윤
박종관
이상엽
Original Assignee
엠엔테크(주)
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Priority to KR1020170090407A priority Critical patent/KR102030024B1/en
Publication of KR20190008704A publication Critical patent/KR20190008704A/en
Application granted granted Critical
Publication of KR102030024B1 publication Critical patent/KR102030024B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material

Abstract

Disclosed is a closed styrofoam reducing device. According to an aspect of the present invention, a crusher for crushing waste styrofoam; A blower for conveying the crushed waste styrofoam; And an extruder for receiving and processing waste styrofoam by the blower, wherein the extruder comprises: a hopper; A mesh unit installed in the hopper and through which waste styrofoam passes; An antistatic unit for preventing static electricity generated from the mesh unit; A transfer unit installed at a lower end of the hopper to transfer the waste styrofoam passing through the mesh unit; A heating unit installed below the transfer unit to melt waste styrofoam; A discharge part connected to an end of the transfer part and configured to discharge waste styrofoam; And a waste styrofoam reduction apparatus is provided comprising a cutting unit for cutting the waste styrofoam discharged.

Description

Waste Styrofoam Reduction Device {APPARATUS FOR REDUCING VOLUME OF WASTE STYROFOAM}

The present invention relates to a waste styrofoam reduction apparatus.

Styrofoam refers to a material made by foaming polystyrene, and is widely used as a packaging material for building electrical and electronic products, a building insulation material, and a disposable food container due to its excellent resilience, buffering properties, and thermal insulation properties.

Since the styrofoam is a thermoplastic product, it is melted by applying heat, and thus, it is relatively easy to recycle. In spite of the recycling characteristics of styrofoam, the landfills were often buried in the ground due to collection problems, but recently, landfills are gradually reduced due to the increase of household waste, and styrofoam is recycled.

However, since the styrofoam is very large in volume compared to its weight, the styrofoam is recycled after making the styrofoam into a small volume through a process of acceptance.

No. 10-2006-0087858 (Floating Styrofoam Apparatus for Fishing Equipment, 2006.08.03 release)

An object of the present invention is to provide a waste styrofoam reduction apparatus that can efficiently reduce the volume of waste styrofoam.

According to an aspect of the present invention, a crusher for crushing waste styrofoam; A blower for conveying the crushed waste styrofoam; And an extruder for receiving and processing waste styrofoam by the blower, wherein the extruder comprises: a hopper; A mesh unit installed in the hopper and through which waste styrofoam passes; An antistatic unit for preventing static electricity generated from the mesh unit; A transfer unit installed at a lower end of the hopper to transfer the waste styrofoam passing through the mesh unit; A heating unit installed below the transfer unit to melt waste styrofoam; A discharge part connected to an end of the transfer part and configured to discharge waste styrofoam; And a waste styrofoam reduction apparatus is provided comprising a cutting unit for cutting the waste styrofoam discharged.

It may further include a deodorizer for removing the odor of the crushed waste styrofoam.

The antistatic part may include an antistatic coating layer formed on the surface of the mesh part.

The antistatic part may include a capacitor connected to the mesh part to store the static electricity generated in the mesh part.

The cutting unit may include a cutting blade installed vertically with respect to the discharge direction of the waste styrofoam, and the extruder may continuously discharge the waste styrofoam, and the cutting blade may periodically cut the discharged waste styrofoam.

It may further include a conveyor connected to the inlet of the crusher for supplying waste styrofoam to the crusher.

It may further include a duct for discharging the harmful gas generated from the waste styrofoam.

A ceramic coating layer for preventing corrosion may be formed on the surface of the transfer part.

A ceramic coating layer may be formed on the inner surface of the discharge part to prevent corrosion.

A ceramic coating layer may be formed on the inner surface of the hopper to prevent corrosion.

According to an embodiment of the present invention, the clogging phenomenon of the extruder by the waste styrofoam is prevented, so that the waste styrofoam can be efficiently reduced.

1 is a view showing a waste styrofoam reduction apparatus according to an embodiment of the present invention.
Figure 2 is a view showing the inside of the extruder of the waste styrofoam reduction apparatus according to an embodiment of the present invention.
Figure 3 is a view showing an extruder cutting portion of the waste styrofoam reduction apparatus according to an embodiment of the present invention.

An embodiment of a waste styrofoam applying apparatus according to the present invention will be described in detail with reference to the accompanying drawings, in the following description with reference to the accompanying drawings, the same or corresponding components are given the same reference numerals and duplicate description thereof. Will be omitted.

In addition, terms such as first and second used below are merely identification symbols for distinguishing the same or corresponding components, and the same or corresponding components are limited by terms such as the first and second components. no.

In addition, the coupling does not only mean the case where the physical contact is directly between the components in the contact relationship between the components, other components are interposed between the components, the components in the other components Use it as a comprehensive concept until each contact.

1 is a view showing a waste styrofoam reduction apparatus according to an embodiment of the present invention, Figure 2 is a view showing the inside of the extruder of the waste styrofoam reduction apparatus according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention Figure is a view showing an extruder cut portion of the waste styrofoam reduction apparatus according to.

Referring to FIG. 1, the waste styrofoam reducing apparatus 100 according to an embodiment of the present invention includes a crusher 110, a deodorizer 120, a blower 130, an extruder 140, and a conveyor C. And may further include a duct (D). In addition, the extruder 140 includes a hopper 141, a mesh part 142, an antistatic part 143a and 143b, a transfer part 144, a heating part 145, a discharge part 146, and a cutting part 147. It may include.

Shredder 110 is a device for grinding the waste styrofoam (S) into small pieces. The crushing process is to reduce the waste styrofoam (S) because the volume is generally large. The shredder 110 may include a shredding blade and a motor. The motor drives the crushing blade, and the closed styrofoam S can be crushed by the rotating crushing blade.

Waste styrofoam (S) may be introduced into the crusher 110 through the conveyor (C). The conveyor C may be connected to the inlet of the crusher 110 to continuously move the waste styrofoam S to the crusher 110.

Deodorizer 120 is a device for removing the odor of the waste styrofoam (S). The crushed waste styrofoam (S) may be removed odor-inducing components of the waste styrofoam (S) while passing through the deodorizer (120).

The blower 130 is a device for transferring the crushed waste styrofoam (S). The shredded waste styrofoam (S) is light and is transported by the wind of the blower 130, and is introduced into the extruder 140, which will be described later. There is a transfer line between the crusher 110 and the extruder 140, the waste styrofoam (S) can be transferred from the crusher 110 to the extruder 140 along the transfer line by the blower 130. On the other hand, the deodorizer 120 may be installed on the transfer line.

The extruder 140 is a device for processing to reduce the volume by pressing while melting the crushed waste styrofoam (S). A coating layer, such as a ceramic coating layer, may be formed on the surface of the extruder 140 to prevent corrosion of the extruder 140, and the service life of the extruder 140 may be extended.

Referring to FIG. 2, the extruder 140 includes a hopper 141, a mesh part 142, an antistatic part, a transfer part 144, a heating part 145, a discharge part 146, and a cutting part 147. can do. The above-described coating layer may be formed on the surfaces of the hopper 141, the mesh part 142, the antistatic part, the transfer part 144, the heating part 145, the discharge part 146, and the cutting part 147. Details thereof will be described later.

Hopper 141 is a part for storing and supplying the introduced waste styrofoam (S) is the body of the extruder 140. Hopper 141 is formed so that the upper portion has a large area, the lower portion has a narrow area.

A coating layer may be formed on an inner surface of the hopper 141, and the coating layer may be a ceramic coating layer. In particular, the lower part of the hopper 141 is present in a state in which a part of the waste styrofoam (S) is melted. Corrosion of the inner surface of the hopper 141 may be prevented.

Mesh portion 142 is a mesh structure provided in the hopper 141, the crushed waste styrofoam (S) is distributed in a net shape to pass evenly distributed. The mesh unit 142 may be formed of various materials such as metal and plastic. The mesh unit 142 may be installed on the upper side of the hopper 141.

The antistatic part is a part for preventing static electricity generated while the waste styrofoam S passes through the mesh part 142.

When there is no antistatic part, a large amount of static electricity is generated as the waste styrofoam (S) is contacted while passing through the mesh part 142. Accordingly, there may be a problem that the waste styrofoam (S) is attached to the mesh portion 142 and the mesh portion 142 is blocked by the waste styrofoam (S).

The antistatic part may prevent clogging of the mesh part 142 by the waste styrofoam S by preventing static electricity of the mesh part 142. The antistatic part may be implemented in various ways.

For example, the antistatic portion may be an antistatic coating layer 143a surrounded by the surface of the mesh portion 142. The antistatic coating layer 143a may be formed including an antistatic agent powder. In this case, the waste styrofoam (S) and the mesh portion 142 is not in direct contact, the mesh portion 142 may not be charged.

In addition, the antistatic part may be a capacitor 143b connected to the mesh part 142. Accordingly, static electricity generated from the mesh unit 142 may be absorbed and stored in the capacitor 143b. The capacitor 143b may be connected to a separate LED lamp to consume static electricity by emitting a lamp during discharge.

In addition, the antistatic part may be an electrostatic absorber made of a conductive material absorbing static electricity, a floor, or a ground terminal energized with air, and the aforementioned various types may be used together.

The transfer unit 144 may be installed at the lower end of the hopper 141 to transfer the waste styrofoam (S) passed through the mesh unit 142. As shown in FIG. 2, the transfer part 144 may include a screw. The screw can move the crushed waste styrofoam (S) in the horizontal direction while rotating. The waste styrofoam S is transferred to the discharge part 146 which will be described later. According to the screw, the waste styrofoam (S) can be evenly transported while being mixed with each other.

A coating layer may be formed on the surface of the transfer part 144, and the coating layer may be a ceramic coating layer. The transfer unit 144 transfers the molten waste styrofoam (S) to the discharge unit 146 as described below, and a coating layer is formed on the surface of the transfer unit 144 to generate the gas generated while the waste styrofoam (S) is melted. Corrosion of the transfer unit 144 due to can be prevented. Accordingly, the service life of the transfer unit 144 is extended, so that the waste styrofoam S can be efficiently transferred. The heating unit 145 is installed below the transfer unit 144 to melt the waste styrofoam S. It includes a heater. The waste styrofoam S is easily deformed by heat, the waste styrofoam S is melted by the heating unit 145, and the waste styrofoam S transferred through the transfer unit 144 is gradually melted as it is transferred. ) At least a part of the waste styrofoam S around the transfer part 144 is in a molten state S '. The molten waste styrofoam (S ') has a fluidity and is conveyed while being agglomerated with each other according to the transfer of the transfer unit (144).

Discharge unit 146 is connected to the end of the transfer unit 144 to form and discharge the molten waste styrofoam (S '), the shape of the discharge unit 146 may be implemented the same as the shape to be molded, The cross-sectional area of the discharge portion 146 may be set corresponding to the desired size of the molten waste styrofoam (S '). Accordingly, the molten waste styrofoam S 'is molded in correspondence with the cross-sectional area of the discharge portion 146. The cross-sectional area of the discharge part 146 is smaller than the cross-sectional area of the transfer part 144, so that the melted waste styrofoam S ′ passing through the discharge part 146 may be extruded.

Meanwhile, a coating layer may be formed on the inner surface of the discharge part 146, and the coating layer may be a ceramic coating layer. Since the coating layer is formed on the inner surface of the discharge unit 146, corrosion of the discharge unit 146 due to the gas generated while the waste styrofoam S is melted may be prevented. Accordingly, the service life of the discharge part 146 is extended, and the waste styrofoam S can be effectively discharged.

The cutting part 147 is a part which cuts the melted waste styrofoam (S ') discharged to a desired size. The cutting part 147 may be coupled to the discharge part 146. The cutting part 147 may include a driving part 148 and a cutting blade 149. The cutting blade 149 may be installed perpendicular to the discharge direction of the molten waste styrofoam (S ').

A coating layer may be formed on the surface of the cutting blade 149 in direct contact with the molten waste styrofoam (S ′) to prevent corrosion, and the coating layer may be a ceramic coating layer. In addition to the cutting edge 149, a ceramic coating layer may be formed on all portions in direct and indirect contact with the molten waste styrofoam (S ').

As shown in FIG. 3, the cutting blade 149 may periodically reciprocate vertically with respect to the discharge direction of the molten waste styrofoam S '. The molten waste styrofoam S 'is continuously discharged, and the cutting blade 149 may periodically reciprocate to cut the molten waste styrofoam S'. The cut molten waste styrofoam (S ') may be solidified at room temperature.

Duct (D) is a portion for discharging the harmful gas generated during the transfer and processing of the waste styrofoam (S). Duct (D) is connected to the outside of the reduction apparatus 100 may discharge the dust to the outside. The duct D may include a gas collecting hood, a pipe, a pressure reducer, a low temperature plasma feeder, and a mixer.

The gas collecting hood may be configured in plural, and may be installed on the crusher 110 and the extruder 140 to collect harmful gas generated when the waste styrofoam S is crushed and extruded.

The pipe is a pipe that moves the harmful gas collected by the gas collection hood. A pressure reducer is installed at the end of the pipe so that the collected harmful gas can be moved along the pipe by decompression.

The low temperature plasma supplyer generates low temperature plasma when power is applied, and allows the low temperature plasma generated by one end communicating with the pipe to flow into the pipe. The low temperature plasma supplyer may remove the noxious gas while the low temperature plasma is mixed with the noxious gas.

The mixer is installed on the pipe, where the low temperature plasma and the harmful gas maximize the mixing.

The mixer may include a plurality of porous balls or a plurality of diaphragms arranged alternately with each other, and the porous balls or diaphragms may be formed of a bio-ceramic material capable of absorbing and decomposing harmful components, harmless to the human body, and having excellent water absorption capability. Can be.

According to the plurality of porous balls or diaphragms, since the harmful gas and the low temperature plasma are in contact with each other while passing through the plurality of porous balls or diaphragms, the harmful gases can be efficiently removed by the low temperature plasma.

As described above, according to the waste styrofoam reduction apparatus according to an embodiment of the present invention, the extruder is not blocked by the waste styrofoam can be efficiently reduced.

As mentioned above, although an embodiment of the present invention has been described, those of ordinary skill in the art may add, change, delete or add components within the scope not departing from the spirit of the present invention described in the claims. The present invention may be modified and changed in various ways, etc., which will also be included within the scope of the present invention.

100: induction device
110: shredder
120: deodorizer
130: blower
140: extruder
141: hopper
142: mesh part
143a, 143b: antistatic
144: transfer unit
145: heating unit
146: discharge part
147: cutting part
148: drive unit
149: cutting blade
S, S ': Waste Styrofoam
C: conveyor
D: Duct

Claims (10)

Shredder for shredding waste styrofoam;
A blower for conveying the crushed waste styrofoam; And
It includes an extruder for receiving and processing the waste styrofoam by the blower,
The extruder,
Hopper;
A mesh unit installed at an inner upper side of the hopper and through which waste styrofoam passes;
An antistatic unit for preventing static electricity generated from the mesh unit;
A transfer unit installed at a lower end of the hopper to transfer the waste styrofoam passing through the mesh unit;
A heating unit installed below the transfer unit to melt waste styrofoam;
A discharge part connected to an end of the transfer part and configured to discharge waste styrofoam;
A duct communicating with the outside of the reduction apparatus to discharge harmful gas generated from waste styrofoam; And
Including a cutting unit for cutting the waste styrofoam discharged,
The antistatic part further includes an antistatic coating layer formed on the surface of the mesh part and a capacitor connected to the mesh part to store static electricity generated in the mesh part.
The duct is composed of a plurality of gas collecting hood disposed on the crusher and the extruder;
A pipe for moving the harmful gas collected by the gas collecting hood;
A pressure reducer installed at an end of the pipe;
A low temperature plasma feeder, one end of which is in communication with the pipe and introduces a low temperature plasma into the pipe; And
A mixer installed on the pipe to promote mixing of the low temperature plasma and the noxious gas;
The antistatic coating layer,
It is formed of an antistatic agent powder and is energized through a ground terminal or a separate connection terminal from the capacitor to an electrostatic absorber, a floor or air absorbing conductive material,
The capacitor is connected to a separate LED lamp to emit the LED lamp,
The mixer includes a plurality of porous balls or a plurality of diaphragms arranged alternately to increase the area and time that the noxious gas and the low temperature plasma contact each other, and is formed inside the duct together with the pipe. Waste Styrofoam Reducing Device.
The method of claim 1,
Waste styrofoam reduction apparatus further comprises a deodorizer for removing the odor of the crushed waste styrofoam.
delete delete The method of claim 1,
The cutting unit includes a cutting blade installed perpendicular to the waste styrofoam discharge direction,
The extruder continuously discharges the waste styrofoam, the cutting blade is a styrofoam reduction apparatus, characterized in that for cutting the waste styrofoam discharged by reciprocating periodically.
The method of claim 1,
Waste styrofoam reduction apparatus further comprises a conveyor connected to the inlet of the crusher to supply the waste styrofoam to the crusher.
delete The method of claim 1,
Waste styrofoam reduction apparatus is formed on the surface of the transfer portion is a ceramic coating layer to prevent corrosion.
The method of claim 1,
Waste styrofoam reduction apparatus is formed on the inner surface of the discharge portion for the ceramic coating layer to prevent corrosion.
The method of claim 1,
Waste styrofoam reduction apparatus is formed on the inner surface of the hopper a ceramic coating layer to prevent corrosion.
KR1020170090407A 2017-07-17 2017-07-17 Apparatus for reducing volume of waste styrofoam KR102030024B1 (en)

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KR1020170090407A KR102030024B1 (en) 2017-07-17 2017-07-17 Apparatus for reducing volume of waste styrofoam

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KR102030024B1 true KR102030024B1 (en) 2019-11-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220144576A (en) 2021-04-20 2022-10-27 윤경호 Waste styrofoam crusher capable of removing waste stickers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102144688B1 (en) * 2020-05-20 2020-08-14 이상진 Waste Styrofoam Recycling Capacity Reduction Device

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Publication number Priority date Publication date Assignee Title
KR100597441B1 (en) * 2003-01-22 2006-07-10 한국해양연구원 Volume reducing system for waste styrofoams of aquafarm's float
JP2007290200A (en) * 2006-04-24 2007-11-08 Meino:Kk Pelletizer for scrapped foamed polystyrene
KR100988036B1 (en) * 2010-02-04 2010-10-18 박안수 Typic diminisher for waste styrofoam

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Publication number Priority date Publication date Assignee Title
JPH11179727A (en) * 1997-12-25 1999-07-06 N Tec:Kk Method for volume reduction of waste foamed styrol and apparatus for volume reduction of waste foamed styrol
KR100647035B1 (en) 2005-01-31 2006-11-23 한국해양연구원 Apparatus for Reducing Volume of Wasted Styrofoam

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
KR100597441B1 (en) * 2003-01-22 2006-07-10 한국해양연구원 Volume reducing system for waste styrofoams of aquafarm's float
JP2007290200A (en) * 2006-04-24 2007-11-08 Meino:Kk Pelletizer for scrapped foamed polystyrene
KR100988036B1 (en) * 2010-02-04 2010-10-18 박안수 Typic diminisher for waste styrofoam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220144576A (en) 2021-04-20 2022-10-27 윤경호 Waste styrofoam crusher capable of removing waste stickers

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