JPS5933026B2 - How to clean foam - Google Patents

How to clean foam

Info

Publication number
JPS5933026B2
JPS5933026B2 JP55023815A JP2381580A JPS5933026B2 JP S5933026 B2 JPS5933026 B2 JP S5933026B2 JP 55023815 A JP55023815 A JP 55023815A JP 2381580 A JP2381580 A JP 2381580A JP S5933026 B2 JPS5933026 B2 JP S5933026B2
Authority
JP
Japan
Prior art keywords
foam
cleaning
water
pieces
rotating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55023815A
Other languages
Japanese (ja)
Other versions
JPS56118818A (en
Inventor
正富 伊東
慶彦 黒田
秋男 下村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Kaseihin Kogyo KK
Original Assignee
Sekisui Kaseihin Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sekisui Kaseihin Kogyo KK filed Critical Sekisui Kaseihin Kogyo KK
Priority to JP55023815A priority Critical patent/JPS5933026B2/en
Publication of JPS56118818A publication Critical patent/JPS56118818A/en
Publication of JPS5933026B2 publication Critical patent/JPS5933026B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29B2017/0286—Cleaning means used for separation
    • B29B2017/0289—Washing the materials in liquids
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Molding Of Porous Articles (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Description

【発明の詳細な説明】 この発明は発泡体の洗浄方法に関し、さらに詳しくは、
汚染された発泡成形品を粉砕し、水中に入れ攪拌しなが
ら移動して行う洗浄方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for cleaning foam, and more specifically,
This invention relates to a cleaning method in which a contaminated foamed molded product is crushed, placed in water, and moved while stirring.

一般にポリスチレン系樹脂発泡体などを原料として作ら
れた発泡体製の魚粕や果物箱などの成形品は、少なくと
も一度使用して汚れると、原料として再利用するために
は、これらの箱についた一般的な汚れを取除くとともに
、魚粕の場合の魚粕に特有なうろこや魚の血液または内
臓などによるしみついた汚れと独特の臭いをも除去する
ことが必要である。これらの汚れと臭いを除去する方法
として、例えば魚粕のままブラシ等を利用して水洗する
ことが考えられるが、このような方法では大量に魚粕の
洗浄をするには能率面に問題があるばかりか隅部分に付
着したゴミは十分な除去をすることができない。In general, molded products such as fish meal and fruit boxes made from polystyrene resin foam are used at least once and become dirty, so in order to reuse them as raw materials, these boxes must be cleaned. In addition to removing general dirt, in the case of fish meal, it is also necessary to remove ingrained dirt and peculiar odor due to scales, fish blood or internal organs, etc., which are characteristic of fish meal. One possible way to remove these stains and odors is to wash the fish meal with water using a brush, but this method has problems in terms of efficiency when cleaning large quantities of fish meal. It is not possible to remove dust that is not only present but also adhered to the corners.

そのため使用後の魚粕は、再使用されることなく焼却場
の燃焼炉で一般ゴミと共に無駄に焼却されてきた。この
発明は、一度使用して汚れた発泡体からなる成形品を利
用して資源の節約を計るためになされたもので、大量の
洗浄に適し、しかも再利用が十分可能な程度の洗浄を行
うことを目的として、鋭意研究の結果なされたものであ
る。For this reason, used fish meal has been wastefully incinerated along with general garbage in the combustion furnace of an incinerator without being reused. This invention was made in order to save resources by using molded products made of foam that have been used once and become dirty.It is suitable for large-volume cleaning, and also cleans to a sufficient degree that it can be reused. This was the result of intensive research with this purpose in mind.

すなわち、この発明の要旨は、汚染された発泡体からな
る成形品を小さな発泡体片に粉砕し、該粉砕された小さ
な発泡体片を洗浄槽に導入し、複数個並列に水面近辺に
配列された回転軸に取り付けた回転羽根によつて水中へ
強制的に入れ込むとともに順次一方向に移動せしめつつ
洗浄することに存する。That is, the gist of this invention is to crush a molded product made of contaminated foam into small foam pieces, introduce the crushed small foam pieces into a cleaning tank, and arrange a plurality of pieces in parallel near the water surface. The method consists in forcibly introducing the water into the water using a rotating blade attached to a rotary shaft, and cleaning the water while sequentially moving it in one direction.

この発明の方法においては、汚染された発泡体からなる
成形品、例えば魚箱や果物箱などに成形され使用により
汚染された発泡体が処理対象とされる。In the method of the present invention, molded articles made of contaminated foam, such as foams molded into fish boxes, fruit boxes, etc., that have become contaminated through use are treated.

このような発泡体成形品は、まず発泡体片に粉砕される
。発泡体片の大きさは、洗浄効果やこの発明による洗浄
の原理などの観点から、１ｃ７ｒＬ〜１０ＣＴＩＬ角く
らいが好ましい。次いで、発泡体片は洗浄槽に導入して
洗浄される。Such foam moldings are first ground into foam pieces. The size of the foam piece is preferably about 1c7rL to 10CTIL square from the viewpoint of the cleaning effect and the principle of cleaning according to the present invention. The foam pieces are then introduced into a cleaning bath and cleaned.

しかしながら、通常、発泡体は水に浮くため、洗浄槽に
単に導入するだけでは浮上して十分な洗浄を期待できな
い。この発明は、これを複数個並列に水面近辺に配夕１
ルた回転軸に取り付けた回転羽根により発泡体片をおさ
えつけて強制的に洗浄槽の水中に入れ込み、発泡体片を
攪拌し移動さす。さらに必要なら水面上に浮かんでいる
発泡体片の表面に、上方より圧力水を噴射する。これら
によつて洗浄を行うものである。勿論この際発泡体片は
一定方向に移動させる。この移動は実質的に回転羽根に
よつて行われ、また上方よりの圧力水の噴霧を移動方向
に斜向することによつて補助的に移動が行われる。回転
羽根を取り付ける回転軸は、洗浄槽の水面近辺、すなわ
ち水面わずか上、水面あるいは水面わずか下に設けられ
る。わずか上に設けるのが、発泡体をおさえつけるのに
都合がよい。以下、この発明を行うに当つての装置を用
いてさらに詳説する。However, since foams usually float on water, they cannot be expected to float to the surface and provide sufficient cleaning if they are simply introduced into a cleaning tank. In this invention, a plurality of these are arranged in parallel near the water surface.
The foam pieces are held down by a rotating blade attached to a rotary shaft and forced into the water in the cleaning tank, stirring and moving the foam pieces. Furthermore, if necessary, pressurized water is sprayed from above onto the surface of the foam pieces floating on the water surface. Cleaning is performed with these. Of course, at this time, the foam pieces are moved in a fixed direction. This movement is substantially carried out by the rotating blades, and is assisted by directing the spray of pressurized water from above obliquely in the direction of movement. The rotating shaft to which the rotating blade is attached is provided near the water surface of the cleaning tank, that is, slightly above the water surface, at the water surface, or slightly below the water surface. Providing it slightly above is convenient for holding down the foam. The present invention will be explained in more detail below using an apparatus for carrying out the invention.

１は洗浄槽で、その一端側の底部にはフイルタ一かご１
２を有する排水孔２が設けられており、また同側の上部
には粗砕機３で発泡体製の容器などを一定の大きさ、例
えば１ＣＴｎから１０？角くらいの大きさに粉砕した発
泡体片４を洗浄槽１の水面６に供給するブローダクト５
が設けられている。1 is a cleaning tank, and a filter basket 1 is installed at the bottom of one end of the tank.
A drainage hole 2 having a diameter of 2 is provided, and on the upper part of the same side, a crusher 3 is used to crush a foam container or the like to a certain size, for example from 1 CTn to 10 CTn. A blow duct 5 that supplies foam pieces 4 crushed to the size of a square to the water surface 6 of the cleaning tank 1
is provided.

洗浄槽１の長さ方向には、その上縁に沿つて４枚の回転
羽根８を十字形に有する回転軸７が一定の間隔で所要個
数だけ水平方向に平行に配列されている。回転羽根８と
しては、水中での回転時の水の抵抗を少なくするため、
通水性の良い構造のものが使切されるが、特に望ましく
はブローダクト５から供給される発泡体片４は通過させ
ない程度に目の粗い金網状に構成したものがよい。洗浄
槽１の長さ方向に等間隔で水平配列された各回転軸７は
図示しない１駆動装置によつて矢符Ｂで示すように同一
方向に回転されており、隣接する各回転軸７の取付け間
隔または回転の位相は、それぞれの回転軸７，７に取付
けられている回転羽根８，８の先端が回転時に互に接触
することなく、ブローダクト５から洗浄槽１の一端に供
給された発泡体片４を洗浄槽１の他端に効率よく移動す
ることができるように定める。ブローダクト５が設けら
れていない洗浄槽１の一端側の規定水位上方には、水面
６に浮遊している洗浄ずみの発泡体片４ｂを水切り状態
で次の乾燥工程に移送するための吸弓ダクト９が開口さ
れている。洗浄槽１の上方に位置する１０は、回転軸７
と平行に配列された圧力水噴射管で、各回転軸７に対応
して複数個設けられており、それら圧力噴射管１０の長
さ方向に穿設された複数個の孔１１から圧力水が矢符Ｂ
で示すように発泡体片４の移送方向に傾斜して回転羽根
８に向けてシヤワ一状に噴射されている。In the longitudinal direction of the cleaning tank 1, along its upper edge, a required number of rotating shafts 7 having four rotating blades 8 arranged in a cross shape are arranged in parallel in the horizontal direction at regular intervals. As the rotating blade 8, in order to reduce water resistance when rotating underwater,
A structure having good water permeability can be used, but it is particularly preferable to use a wire mesh-like structure with a coarse mesh so as not to allow the foam pieces 4 supplied from the blow duct 5 to pass through. The rotating shafts 7 arranged horizontally at equal intervals in the length direction of the cleaning tank 1 are rotated in the same direction as shown by arrow B by a driving device (not shown), and the rotational shafts 7 of the adjacent rotating shafts 7 are The installation interval or the rotation phase is such that the tips of the rotating blades 8, 8 attached to the respective rotating shafts 7, 7 do not come into contact with each other during rotation, and the blades are supplied from the blow duct 5 to one end of the cleaning tank 1. The foam piece 4 is set so that it can be efficiently moved to the other end of the cleaning tank 1. Above the specified water level on one end side of the cleaning tank 1 where the blow duct 5 is not provided, there is a suction bow for transferring the washed foam pieces 4b floating on the water surface 6 in a drained state to the next drying process. Duct 9 is open. 10 located above the cleaning tank 1 is a rotating shaft 7
A plurality of pressure water injection pipes are arranged in parallel with each other, and a plurality of them are provided corresponding to each rotating shaft 7, and pressure water is emitted from a plurality of holes 11 bored in the length direction of these pressure injection pipes 10. Arrow B
As shown in , the foam is injected in a shower toward the rotary blade 8 at an angle in the direction in which the foam pieces 4 are transported.

圧力水噴射管１０に供給する水の一部は洗浄槽１の排水
孔２に取り付けたフイルタ一１２によつて沢過した水を
再利用してもよい。以上の構成の装置を用い、洗浄槽１
に規定水位まで水を入れ、複数個の回転羽根８が取り付
けられた各回転軸７を図示しない１駆動装置によつて矢
符Ａで示す同一方向に回転したのち、ブローダクト５か
ら適当な大きさに粗粉砕された発泡体片４を洗浄槽１の
一端に供給すれば、水面６に浮遊している発泡体片４は
ブローダクト５に最も近く位置している回転軸７に取付
けられた通水性のよい回転羽根８によつて、水中に人れ
込まれた状態で隣接する回転軸７の回転羽根８の部分に
移動される。上記動作が洗浄槽１の長さ方向に設けられ
た回転軸７の個数だけ繰返し行われると、ブローダクト
５から洗浄槽１の一端に供給された発泡体片４は回転羽
根８によつて水との間に作られた相対的な速度差にもと
づくクリーニング作用を連続して繰返し受けることにな
るため、発泡体片４に付着している汚れや、しみついた
臭いなどが再使用のさまたげとならない程度に確実に除
去される。しかも供給前に粗砕機３で適当な大きさに粉
砕される発泡体片４は、一般的には不定形であり、洗浄
槽１内を回転羽根８によつて強制移動されるときに水か
ら受ける抵抗作用によつて回転されるため、発泡体片４
のすべての面を均一に洗浄することができる。その上、
各回転軸７の上方に設けた圧力水噴射管１０から圧力水
をシャワ一状に噴射すれば、上記効果に加えて回転羽根
８と発泡体片４の洗浄効果をさらに高めることができる
と共に、洗浄槽１の水面６に近い部分に発泡体片４の移
動方向への流れを形成することができる。Part of the water supplied to the pressure water injection pipe 10 may be recycled through a filter 12 attached to the drain hole 2 of the cleaning tank 1. Using the device with the above configuration, cleaning tank 1
is filled with water up to a specified water level, each rotary shaft 7 to which a plurality of rotary blades 8 are attached is rotated in the same direction shown by arrow A by a drive device (not shown), and then a suitable size is poured from the blow duct 5. When the coarsely crushed foam pieces 4 are supplied to one end of the cleaning tank 1, the foam pieces 4 floating on the water surface 6 are attached to the rotating shaft 7 located closest to the blow duct 5. The rotating blade 8 with good water permeability allows the object to be moved to the adjacent rotating blade 8 of the rotating shaft 7 while being immersed in water. When the above operation is repeated as many times as there are rotary shafts 7 provided in the length direction of the cleaning tank 1, the foam pieces 4 supplied from the blow duct 5 to one end of the cleaning tank 1 are blown by the rotary blades 8 into water. Since the cleaning action based on the relative speed difference created between the foam pieces 4 is continuously and repeatedly applied, dirt adhering to the foam pieces 4 and lingering odors will not hinder reuse. removed to a certain degree. Moreover, the foam pieces 4, which are crushed to an appropriate size by the crusher 3 before being supplied, are generally irregular in shape, and are separated from the water when they are forcibly moved within the cleaning tank 1 by the rotary blades 8. The foam piece 4 is rotated due to the resistive action it is subjected to.
All surfaces can be cleaned evenly. On top of that,
If pressure water is sprayed in a shower from the pressure water injection pipes 10 provided above each rotating shaft 7, in addition to the above-mentioned effects, the cleaning effect of the rotating blades 8 and the foam pieces 4 can be further enhanced. A flow in the direction of movement of the foam pieces 4 can be formed in a portion of the cleaning tank 1 near the water surface 6.

汚れと臭いを除去された発泡体片４は、洗浄槽１の一端
の規定水位上方に開口されている吸引ダクト９によつて
乾燥工程に搬送され、乾燥されたのち、適当な処理工程
を経て各種分野で再使用することができる。The foam pieces 4 from which dirt and odors have been removed are transported to a drying process by a suction duct 9 opened above the specified water level at one end of the cleaning tank 1, and after being dried, they are subjected to an appropriate treatment process. It can be reused in various fields.

なお、上記実施例においては回転羽根８は回転軸７に十
字形放射状に取付けられる場合について説明したが、各
回転羽根８の先端部分を回転方向側に幾分析り曲げれば
回転羽根８による発泡体片４の把持作用をさらに能率よ
くすることができる。In the above embodiment, the rotary vanes 8 are attached to the rotary shaft 7 in a cross-shaped radial pattern, but if the tip of each rotary vane 8 is bent somewhat in the direction of rotation, foaming by the rotary vanes 8 can be achieved. The gripping action of the body piece 4 can be made more efficient.

また、第３図に示すように、各回転羽根８ａの羽根面の
回転軸７ａに沿つた略中央線から隣接する回転羽根のそ
れに、金網板１４を一体に延設すると、回転羽恨部分の
構造的強度が高まる上に金網板１４が発泡体片を水中へ
おさえ入れる効果を増すので、一層好ましい。上記実施
例のひとつの具体的な数値例を挙げれば、洗浄槽１は長
さ７ｍ、幅２ｍ、深さ１ｍであり、回転軸７は０．５ｍ
間隔で１０列あり、その回転速度は約１００ｒ．ｐ．ｍ
である。Further, as shown in FIG. 3, when the wire mesh plate 14 is integrally extended from the approximate center line of the blade surface of each rotary blade 8a along the rotation axis 7a to that of the adjacent rotary blade, the rotation blade part In addition to increasing the structural strength, the wire mesh plate 14 is more preferred because it increases the effectiveness of holding the foam pieces down in the water. To give a specific numerical example of one of the above embodiments, the cleaning tank 1 has a length of 7 m, a width of 2 m, and a depth of 1 m, and the rotating shaft 7 has a length of 0.5 m.
There are 10 rows at intervals, and the rotation speed is about 100r. p. m
It is.

回転羽根８は長さ０．２５ｍ、幅２ｍ弱であり、これが
４枚十字形に回転軸に取付けられている。このような装
置で発泡スチロール製の魚箱の洗浄を行つたところ、１
時間あたり約１２００個の魚箱の処理を行うことができ
た。さらに、この洗浄によりうろこと魚血とは完全に除
去され、臭気も実質的に除去された。これら洗浄された
発泡体片は乾燥後さらに粉砕され壁用建材またはコンク
リート混和材として使用された。その他これら発泡体片
は溶融して再びペレツトとし、発泡体の原料としうる。The rotating blades 8 have a length of 0.25 m and a width of a little less than 2 m, and are attached to the rotating shaft in the shape of a cross. When cleaning a Styrofoam fish box with such a device, 1
Approximately 1200 fish boxes could be processed per hour. Furthermore, scales and fish blood were completely removed by this cleaning, and odor was also substantially removed. After drying, these washed foam pieces were further crushed and used as building materials for walls or concrete admixtures. Alternatively, these foam pieces can be melted back into pellets and used as a raw material for foam.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの発明の一実施例の断面正面図、第２図は同
平面図、第３図は回転羽根に金網板を付設したものの斜
視図である。 １・・・・・・洗浄槽、２・・・・・・排水孔、４・・
・・・・発泡体片、７・・・・・・回転軸、８・・・・
・・回転羽根、９・・・・・・吸引ダクト、１０・・・
・・・圧力水噴射管、１３・・・・・・給水孔。FIG. 1 is a sectional front view of one embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a perspective view of a rotating blade with a wire mesh plate attached thereto. 1...Cleaning tank, 2...Drain hole, 4...
... Foam piece, 7 ... Rotating shaft, 8 ...
...Rotating vane, 9...Suction duct, 10...
... Pressure water injection pipe, 13 ... Water supply hole.

Claims (1)

【特許請求の範囲】 １ 汚染された発泡体からなる成形品を小さな発泡体片
に粉砕し、該粉砕された小さな発泡体片を洗浄槽に導入
し、複数個並列に水面近辺に配列された回転軸に取り付
けた回転羽根によつて水中へ強制的に入れ込むと共に順
次一方向に移動せしめつつ洗浄することを特徴とする発
泡体の洗浄方法。 ２ 汚染された発泡体からなる成形品が、一度使用され
たポリスチレン系樹脂発泡体からなる容器である特許請
求の範囲第１項記載の発泡体の洗浄方法。 ３ 回転羽根を取り付けた回転軸を少くとも４個並列に
設け、それぞれを５０〜１５０ｒ．ｐ．ｍで回転させて
なる特許請求の範囲第１項記載の発泡体の洗浄方法。 ４ 回転羽根を取り付ける回転軸が水面わずか上、水面
あるいは水面わずか下に設けられる特許請求の範囲第１
項記載の発泡体の洗浄方法。 ５ 汚染された発泡体からなる成形品を小さな発泡体片
に粉砕し、該粉砕された小さな発泡体片を洗浄槽に導入
し、複数個並列に水面近辺に配列された回転軸に取り付
けた回転羽根によつて水中へ強制的に入れ込むと共に、
洗浄槽の上方より圧力水を噴射して小さな発泡体片を順
次一方向に移動せしめつつ洗浄することを特徴とする発
泡体の洗浄方法。 ６ 圧力水の噴射を移動方向に斜向して行うことを特徴
とする特許請求の範囲第５項の発泡体の洗浄方法。[Claims] 1. A molded product made of contaminated foam is crushed into small foam pieces, and the crushed small foam pieces are introduced into a cleaning tank, and a plurality of pieces are arranged in parallel near the water surface. A method for cleaning a foam, which comprises forcibly introducing the foam into water using a rotary blade attached to a rotating shaft and cleaning the foam while sequentially moving it in one direction. 2. The foam cleaning method according to claim 1, wherein the molded article made of the contaminated foam is a container made of a polystyrene resin foam that has been used once. 3. At least four rotating shafts equipped with rotating blades are provided in parallel, each with a rotation speed of 50 to 150 rpm. p. A method for cleaning a foam according to claim 1, which comprises rotating the foam at a speed of m. 4 Claim 1 in which the rotating shaft to which the rotating blade is attached is provided slightly above the water surface, at the water surface, or slightly below the water surface.
Method for cleaning foam as described in Section 1. 5 A molded product made of contaminated foam is crushed into small foam pieces, the crushed small foam pieces are introduced into a cleaning tank, and a plurality of pieces are placed in parallel in a rotating shaft attached to a rotating shaft arranged near the water surface. As well as being forced into the water by the blades,
A foam cleaning method characterized by spraying pressurized water from above a cleaning tank and cleaning small foam pieces while sequentially moving them in one direction. 6. The method of cleaning a foam according to claim 5, characterized in that the pressure water is jetted obliquely in the direction of movement.
JP55023815A 1980-02-26 1980-02-26 How to clean foam Expired JPS5933026B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55023815A JPS5933026B2 (en) 1980-02-26 1980-02-26 How to clean foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55023815A JPS5933026B2 (en) 1980-02-26 1980-02-26 How to clean foam

Publications (2)

Publication Number Publication Date
JPS56118818A JPS56118818A (en) 1981-09-18
JPS5933026B2 true JPS5933026B2 (en) 1984-08-13

Family

ID=12120836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55023815A Expired JPS5933026B2 (en) 1980-02-26 1980-02-26 How to clean foam

Country Status (1)

Country Link
JP (1) JPS5933026B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6157699B1 (en) * 2016-07-09 2017-07-05 小嶺機械株式会社 Food sterilizer

Also Published As

Publication number Publication date
JPS56118818A (en) 1981-09-18

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