KR960016585B1 - Method for recycling waste polystyrene foam - Google Patents

Method for recycling waste polystyrene foam Download PDF

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Publication number
KR960016585B1
KR960016585B1 KR1019930016407A KR930016407A KR960016585B1 KR 960016585 B1 KR960016585 B1 KR 960016585B1 KR 1019930016407 A KR1019930016407 A KR 1019930016407A KR 930016407 A KR930016407 A KR 930016407A KR 960016585 B1 KR960016585 B1 KR 960016585B1
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KR
South Korea
Prior art keywords
particles
size
schiropol
cutting
particle
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KR1019930016407A
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Korean (ko)
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KR950005485A (en
Inventor
김정우
이주철
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김정우
이주철
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Priority to KR1019930016407A priority Critical patent/KR960016585B1/en
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Publication of KR960016585B1 publication Critical patent/KR960016585B1/en

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    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/0468—Crushing, i.e. disintegrating into small particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The waste polystyrene foam is recycled by the steps of cutting waste polystyrene foam into a fixed size; separating metal material from the waste polystyrene foam by magnetic means while moving it by a conveyer; smashing the polystyrene foam into a size of the granule; inspecting the granules with a mesh net and smashing the granules bigger than the size of mesh so as to drop the smashed powders into a stocker through the mesh net.

Description

폐스치로폴 재생방법How to Play Waste Scooters

제1도는 본 발명의 전체적인 구성을 나타낸 전면도.1 is a front view showing the overall configuration of the present invention.

제2도는 본 발명의 절단기의 단면도.2 is a cross-sectional view of the cutter of the present invention.

제3도는 본 발명의 제1차 분쇄기의 단면도.3 is a cross-sectional view of the first mill of the present invention.

제4도는 본 발명의 제2차 분쇄기의 단면도.4 is a cross-sectional view of the second mill of the present invention.

제5도는 본 발명의 입자조절부의 단면도.5 is a cross-sectional view of the particle control unit of the present invention.

제6도는 본 발명의 미립자 분류장치 단면도.6 is a cross-sectional view of the particle sorting apparatus of the present invention.

제7도는 본 발명에 의한 재생스치로폴의 성형단계를 예시한 블럭도이다.7 is a block diagram illustrating a forming step of the regenerated squirrel pole according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 이물질 분류대2 : 제1차 이송콘베어1: Foreign substance classification table 2: 1st conveying conveyor

3 : 절단기7 : 제2차 이송콘베어3: cutting machine 7: second conveying conveyor

8 : 검색장치9 : 제1차 분쇄기8: search apparatus 9: primary grinder

13 : 제2차 분쇄기17 : 흡입장치13: second grinder 17: suction device

18 : 입자조절부23 : 송풍기18: particle control unit 23: blower

24 : 연결관25 : 저장탱크24: connector 25: storage tank

26 : 공기통풍포지27 : 감지센서26: air vent paper 27: detection sensor

28 : 방출량 조절구29 : 미립자 분류장치28: discharge amount control device 29: fine particle sorting device

30 : 공급실36 : 알갱이 배출실30: supply chamber 36: granule discharge chamber

37 : 송풍기38 : 배출관37: blower 38: discharge pipe

본 발명은 폐스치로폴 재생방법에 관한 것으로, 더욱 구체적으로는 폐기된 스치로폴을 소정크기로 절단하는 절단공정 및 이물질 검색공정 1,2차 분쇄공정을 차례로 거친 다음 입자조절부에서 소정메쉬 이하의 분쇄입자를 통과시키면 미립자 분류장치에서 발포된 스치로폴 입자와 동일한 크기의 알맹이 미립자와 그 이하의 분말 입자를 각각 분류시켜 알갱이 미립자는 스치로폴로 성형하고 분말 입자는 녹여서 플라스틱류의 제품을 성형시킬 수 있도록 한 재생방법에 관한 것이다.The present invention relates to a method for regenerating waste schiropol, and more particularly, to a crushed particle having a predetermined size or less, and then to a crushing particle having a predetermined size or less in the particle control unit. When passing through, the particle sorting device sorts the granule particles having the same size as the foamed Schiropol particles and the powder particles below them, so that the granules are formed into Schiropol and the powder particles are melted to form a plastic product. It is about.

일반적으로 발포스치로폴의 특성은 가볍고 성형이 용이할 뿐 아니라 단열성, 보온성, 내충격성 등이 좋아서 많은 분야에 다용도로 널리 사용되어 왔으나 이를 폐기처리해야 될때에는 많은 쓰레기(썩지 않음)로 남게 되어 심각한 환경공해를 유발시키고 아까운 자원을 낭비하는 결과를 초래하였다.In general, foamed Styropol's properties are light and easy to mold, and have been widely used in many fields because of their good thermal insulation, thermal insulation, impact resistance, etc. And wasted resources.

본 발명은 이와 같은 문제점을 해결하기 위한 폐스치로폴의 재생방법에 관한 것으로 이를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.The present invention relates to a method of regenerating waste schiropol for solving the above problems.

제1도는 본 발명의 전체적인 구성도로서, 이물질 분류대(1)를 설치하여 폐기된 스치로폴의 이물질을 고른 다음 일측의 제1차 이송콘베어(2)로 보내게 하고, 제1차 이송콘베어(2)의 타측은 절단기(3)의 상부에 놓이게 하고, 절단기(3)의 하부는 제2차 이송콘베어(7)로 제1차 분쇄기(9)의 상부와 연결하되 제2차 이송콘베어(7)의 중앙에 자석 또는 투시장치로 된 금속물질등의 이물질 검색장치(8)를 부설한다.1 is an overall configuration diagram of the present invention, by installing a foreign matter sorting table (1) to pick up the foreign matter of the discarded Schiropol to send to the first conveying conveyor (2) of one side, the first conveying conveyor (2) The other side of) is placed on the upper part of the cutter (3), the lower part of the cutter (3) is connected to the upper part of the primary grinder (9) by the secondary conveying conveyor (7), the secondary conveying conveyor (7) In the center of the installation of a foreign matter search device (8), such as a metal material of a magnet or see-through device.

제1차 분쇄기(9)의 하방에는 발포된 스치로폴 알갱이 크기로 분쇄하는 제2차 분쇄장치(13)를 설치하며, 제2차 분쇄기(13)의 일측은 흡입장치(17)를 부설하여 입자조절부(18)로 유입되게 하고, 입자조절부(18)의 하단 일측에 송풍기(23)를 부설하여 연결관(24)으로 저장탱크에 투입되게 하고, 저장탱크(25)의 하부는 방출량 조절구(28)를 거쳐서 미립자 분류장치(29)에 유입되게 하고, 그 하부는 집진실(35)과 알갱이 배출실(36)로 이루어져서 된 것이다.Below the first grinder 9, a second grinder 13 is installed to grind to the size of foamed Schiropol granules, and one side of the second grinder 13 is provided with a suction device 17 to control particles. It is introduced into the portion 18, and the blower 23 is installed on one side of the lower end of the particle control unit 18 to be introduced into the storage tank to the connection pipe 24, the lower portion of the storage tank 25 is discharge amount control opening It is made to flow into the fine particle sorting apparatus 29 through 28, and the lower part consists of the dust collection chamber 35 and the grain discharge chamber 36. As shown in FIG.

즉, 이는 스치로폴을 소정크기로 절단하는 절단공정, 절단된 스치로폴에 남아 있는 금속물질을 제거하는 이물질 검색공정, 발포된 스치로폴 알갱이 크기로 분쇄하는 제1,2차 분쇄공정, 분쇄된 입자크기의 검색공정, 알갱이 입자와 분말 입자를 분류시키는 미립자 분류공정으로 대별된다.That is, it is a cutting process of cutting the Schiropol to a predetermined size, a foreign matter retrieval process of removing the metal material remaining in the cut Schiropol, a first and a second crushing process of grinding to the size of the foamed Schiropol grains, the search of the crushed particle size It is roughly divided into the fine particle sorting process which classifies a particle | grain and a powder particle.

제2도는 절단공정을 갖기 위한 절단기(3)의 단면도로서, 절단실(3a)내에 다수의 좌,우측 절단날(4)(4')을 설치하고 그 하측에 좌,우측 받침대(5)(5')를 부설하고 하측 중앙에는 하부받침대(6)를 부설하되 상기의 절단날(4)(4')과 받침대(5)(5')(6)가 상호, 교차되게 구성하고, 좌,우측 절단날(4)(4')의 회전수가 서로 다르게 회동케 하여서 된 것으로 좌,우측 절단날(4)(4')의 회전수가 서로 다르므로 스치로폴의 양쪽이 무리한 힘을 받지않고 순차적으로 절단케 되며 절단날(4)(4')과 받침대(5)(5')(6)가 상호 교차된 구성으로 절단하므로 스치로폴 덩어리를 일정크기로 절단하는데 용이하다.2 is a cross-sectional view of the cutter 3 to have a cutting process, in which a plurality of left and right cutting blades 4, 4 'are provided in the cutting chamber 3a, and the left and right pedestals 5 ( 5 ') and the lower base 6 in the lower center, but the cutting blades (4) (4') and the pedestal (5) (5 ') (6) is configured to cross each other, left, The rotational speed of the right cutting blades 4, 4 'is rotated differently. The rotational speed of the left and right cutting blades 4, 4' is different so that both sides of the schiropole are sequentially cut without being subjected to excessive force. Since the cutting blades 4, 4 'and the pedestals 5, 5', 6 are cut in a mutually intersecting configuration, it is easy to cut Schiropol chunks to a certain size.

제3도는 제1차 분쇄공정의 분쇄기(9)로서, 분쇄실(9a)내에 다수의 하부받침대(11)를 부설하되 하부받침대(11)는 상기는 분쇄날(10)(10')과 상호교차되게 구성하고 하부받침대(11)를 좌우로 회전하여 고정시킬 수 있게 한 것인바 상기의 절단기(3)에서 절단된 스치로폴 입자를 분쇄하여 스치로폴 입자를 발포스치로폴의 알갱이 크기로 분쇄시키기 용이하도록 하여준다.3 is a pulverizer 9 of the first crushing process, in which a plurality of lower pedestals 11 are placed in the grinding chamber 9a, but the lower pedestals 11 are mutually associated with the grinding blades 10 and 10 '. It is configured to cross and the lower base 11 to rotate left and right to fix the Schiropol particles cut in the cutter (3) to facilitate the crushing Schiropol particles to the granule size of the foamed Schiropol. .

즉, 하부받침대(11)는 좌,우회전으로 입자의 크기를 쉽게 조정할 수 있는 것이다.That is, the lower stand 11 is to adjust the size of the particles easily by turning left, right.

제4도는 제2차 분쇄공정의 분쇄기(13)로서, 분쇄실(13a)내에 크기 및 각도가 서로 다른 분쇄날(14)(14')을 회전축(14a)에 부설하고 그 분쇄날(14)(14') 외주에 메쉬망(15)을 설치하여서 된 것이다.4 is a mill 13 of the second milling process, in which milling blades 14 and 14 'having different sizes and angles are placed on the rotary shaft 14a in the milling chamber 13a, and the milling blade 14 (14 ') The mesh net 15 was provided in the outer periphery.

상기의 분쇄날(14)(14')은 그 크기 및 각도가 다른 상태에서 유입구(16)에서 나온 스치로폴 입자를 발포스치로폴 알갱이와 같은 크기로 분쇄하여 그 알갱이 이하만 메쉬망(15)으로 통과시키게 구성된다.The grinding blades 14 and 14 ′ grind Schiropol particles from the inlet 16 in the state of different sizes and angles so as to pass through the mesh net 15 below the grains. It is composed.

제5도는 분쇄된 입자 크기의 검색공정을 나타내는 입자조절부(18)의 단면도로서, 유입관(19)과 배출관(20)사이에 입자체크용 메쉬망(21)을 부설하고 그 메쉬망(21)과 대향된 위치에 압력계(22)를 부설하고 배출관(20)에는 송풍기(23)를 부설하여서 된 것이다.5 is a cross-sectional view of the particle control unit 18 showing the retrieval process of the pulverized particle size, and a mesh mesh 21 for particle checking is laid between the inlet pipe 19 and the discharge pipe 20 and the mesh network 21 The pressure gauge 22 is installed at the position opposite to the) and the blower 23 is installed at the discharge pipe 20.

상기 메쉬망(21)은 이물질 검색장치에서 탐지하지 못한 물질이나 발포된 스치로폴 알갱이가 걸리게 되면 관로의 압력이 증가되어 압력계가 이를 감자할 수 있도록 한다.When the mesh net 21 is caught by a substance or foamed Schiropol grains that are not detected by the foreign matter retrieval device, the pressure in the pipe is increased so that the pressure gauge can demagnetize it.

제6도는 미립자 분류공정을 나타난 미립자 분류장치(29)로서 공급실(30)에 이송스크류(31)를 설치하고 그 이송스크류(31) 일측에 회전브러시(32)를 축설하고 회전브러시(32) 외주에 메쉬망(33)을 부설하여 그 내측을 분류실(34)로 만들고 메쉬망(33)하단에는 집진실(35)을 형성하며 분류실(34) 출구에는 알갱이 배출실(36)을 형성하여서 된 것이다.6 shows a particle sorting device 29 showing a particle sorting process, in which a conveying screw 31 is installed in the supply chamber 30, a rotating brush 32 is formed on one side of the conveying screw 31, and an outer circumference of the rotating brush 32 is formed. A mesh net 33 is placed in the inside to form a sorting chamber 34, and a dust collecting chamber 35 is formed at the bottom of the mesh net 33, and a grain discharge chamber 36 is formed at the outlet of the sorting chamber 34. It is.

상기의 공급실(30)에 발포스치로폴 알갱이 크기로 분쇄된 입자가 유입되어 집진실(35)에 보내지면 회전브러시(32)가 입자를 메쉬망(33)으로 부딪혀서 분쇄과정에서 발생된 미립자(일정크기 이하의 분말 입자)는 메쉬망(33)을 통과하여 집진실(35)에 낙하시키고 순수한 발포스치로폴 크기의 알갱이만을 알갱이 배출실(36)로 보내게 된다.When the particles crushed to the size of the foamed sciropol grains are introduced into the supply chamber 30 and are sent to the dust collecting chamber 35, the rotating brush 32 hits the particles with the mesh net 33 to generate the particles generated in the grinding process (constant size). The powder particles below) are passed through the mesh network 33 and dropped into the dust collecting chamber 35, and only the particles having the size of pure foamed scalloped pole are sent to the grain discharge chamber 36.

제7도는 본 발명에 의한 재생스치로폴의 성형단계를 예시한 블럭도로서, 페스치로폴을 발포스치로폴 알갱이 크기만큼 재생시킨 다음 발포과정을 거치지 않고 성형이 이루어지도록 한 것이다.7 is a block diagram illustrating a molding step of the regenerated styropol according to the present invention, in which the molding is carried out without regenerating the spheroidol by the size of the foamed styropole and then performing the foaming process.

이와 같이 본 발명은 스치로폴이 다단계의 공정을 거치면서 발포스치로폴 알갱이 크기와 같은 알갱이 미립자와 그 이하의 분말 입자로 각각 분류된 다음 알갱이 미립자는 발포과정을 거치지 않고 곧바로 성형하여 스치로폴로 재생할 수 있게 되고 분말 입자는 녹여서 플라스틱 제품의 가공용으로 사용이 가능한 재생방법에 의해 폐스치로폴의 자원재활용 뿐만 아니라 환경오염을 줄일 수 있고 그 작업공정도 완전히 자동화되어 효율적인 생산성을 갖는 이점이 있는 것이다.As described above, the present invention is divided into granulated particles such as granulated granules of the size of the foamed sciropol and the following powder particles while passing through the multi-step process. Particles are melted and can be used for the processing of plastic products. The recycling method of waste Schiropol can reduce environmental pollution as well as reduce the environmental pollution.

Claims (1)

절단날과 받침대가 상호 교차된 구성의 절단실내에서 폐스치로폴을 소정크기로 절단하는 절단공정, 그 절단된 스치로폴을 이송콘베어로 이송하는 과정에서 일측의 자석 또는 투시장치로 스치로폴에 남아있는 금속물질을 제거하는 이물질 검색공정, 이물질이 제거된 스치로폴 절단물을 분쇄날로 발포된 스치로폴 알갱이 크기로 절단하는 제1,2차 분쇄공정, 분쇄된 알갱이 입자 크기를 입자조절부에 설치된 입자체크용 메쉬망으로 검사하는 검색공정, 검색된 알갱이 입자를 회전브러시로 메쉬망에 부딪혀서 분쇄된 미립자는 메쉬망을 통과하여 집진실에 낙하시키고 발포스치로폴 알갱이 입자는 배출실로 보내는 미립자 분류공정으로 이루어진 폐스치로폴 재생방법.In the cutting chamber in which the cutting blade and the pedestal cross each other, the cutting process of cutting the waste sciropol to a predetermined size, and the metal material remaining in the sciropol with the magnet or see-through device in the process of transferring the cut sciropol to the transfer conveyor. Debris retrieval process to remove foreign substances, first and second grinding process to cut the Schiropol cut to remove the debris to the size of Schiropol granules foamed with a grinding blade, and check the size of the pulverized grain particles with a particle check mesh network installed in the particle control unit And a particle sorting process in which the particles are smashed by hitting the mesh particles with a rotating brush by a rotating brush, falling through the mesh network to the dust collection chamber, and the foamed particles are sent to the discharge chamber.
KR1019930016407A 1993-08-23 1993-08-23 Method for recycling waste polystyrene foam KR960016585B1 (en)

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