JPS5942603B2 - resin granulation equipment - Google Patents

resin granulation equipment

Info

Publication number
JPS5942603B2
JPS5942603B2 JP52156133A JP15613377A JPS5942603B2 JP S5942603 B2 JPS5942603 B2 JP S5942603B2 JP 52156133 A JP52156133 A JP 52156133A JP 15613377 A JP15613377 A JP 15613377A JP S5942603 B2 JPS5942603 B2 JP S5942603B2
Authority
JP
Japan
Prior art keywords
resin
granulation
chamber
nozzle
storage chamber
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
JP52156133A
Other languages
Japanese (ja)
Other versions
JPS5487756A (en
Inventor
安信 山本
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.)
Aisin Chemical Co Ltd
Original Assignee
Aisin Chemical Co Ltd
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 Aisin Chemical Co Ltd filed Critical Aisin Chemical Co Ltd
Priority to JP52156133A priority Critical patent/JPS5942603B2/en
Publication of JPS5487756A publication Critical patent/JPS5487756A/en
Publication of JPS5942603B2 publication Critical patent/JPS5942603B2/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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • 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
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • 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
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/08—Granular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Glanulating (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

【発明の詳細な説明】 この発明は、熱可塑性および熱硬化性の両方の樹脂に対
して適用可能な造粒装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a granulation device applicable to both thermoplastic and thermosetting resins.

熱硬化性樹脂の造粒は、樹脂がゲル化を起す前に造粒な
完了するという必要性から、スプレー乾燥式の装置を用
いて行われている。Granulation of thermosetting resins is carried out using a spray drying type device because it is necessary to complete the granulation before the resin gels.

しかし樹脂のスプレー乾燥装置は、プラント建設費およ
び運転経費が莫大になるほか、造粒時の排風中に含まれ
ている樹脂の反応もしくは分解ガスが公害の原因となる
等の欠点を有している。However, resin spray drying equipment has drawbacks such as the enormous plant construction and operating costs, and the reaction of the resin or decomposition gas contained in the exhaust air during granulation, which causes pollution. ing.

一方、熱可塑性樹脂に対しては、一般にスクリュー押出
機が用いられているが、処理能力が小さくという欠点が
ある。On the other hand, screw extruders are generally used for thermoplastic resins, but they have the disadvantage of low processing capacity.

この発明は、熱可塑性および熱硬化性の両方の樹脂に対
して適用可能であるとともに、建設費および運転経費が
少なく、しかも大きい処理能力を有する造粒装置を提供
することを目的としている。The object of the present invention is to provide a granulation device that is applicable to both thermoplastic and thermosetting resins, has low construction and operating costs, and has a large throughput.

つぎにこの発明の一実施例について図面を参照して説明
する。Next, an embodiment of the present invention will be described with reference to the drawings.

第１随において符号１０は造粒槽２０は分離機、３０は
パケットコンベア、４０は乾燥機をそれぞれ示す。In the first series, reference numeral 10 indicates a granulation tank 20, a separator, 30 a packet conveyor, and 40 a dryer, respectively.

造粒槽１０には、その上部に溶融状態に保持されだ熱可
塑性もしくは熱硬化性樹脂（以下「溶融レジン」という
）を収容するレジン収容室１１が、まだ下部に造粒室１
２が形成され、この両者は水平な隔壁１３で分離されて
いる。The granulation tank 10 has a resin storage chamber 11 in its upper part that stores a thermoplastic or thermosetting resin (hereinafter referred to as "molten resin") held in a molten state, and a granulation chamber 1 in its lower part.
2 are formed, and the two are separated by a horizontal partition wall 13.

この隔壁１３は、内部に通路１３ａを設けた板状のジャ
ケラ）１３ｂと、このジャケット１３ｂを貫通するよう
に設けられた多数のプラスチック（たとえばポリアセク
ール）製ノズル１３ｃを有する。This partition wall 13 has a plate-shaped jacket 13b having a passage 13a inside thereof, and a large number of nozzles 13c made of plastic (for example, polyacecool) provided so as to penetrate this jacket 13b.

通路１３ａは、ノズル１３Ｃの下端部の周囲に開口する
噴水口１３ｄを介して造粒室１２に連通しているととも
に、ポンプ１４から送水パイプ１５を介して冷却水がそ
の内部に供給されるようになっている。The passage 13a communicates with the granulation chamber 12 through a water fountain 13d that opens around the lower end of the nozzle 13C, and is configured such that cooling water is supplied from the pump 14 through a water pipe 15 to the inside of the passage 13a. It has become.

なお符号１３ｅは、ジャケット１３ｂとその上方に位置
する溶融レジンとの間の伝熱を防止する目的でジャケラ
Ｎ３ｂの上面に設けられた発泡ポリエチレンシート等か
らなる断熱層を示す。Note that the reference numeral 13e indicates a heat insulating layer made of a foamed polyethylene sheet or the like provided on the upper surface of the jacket N3b for the purpose of preventing heat transfer between the jacket 13b and the molten resin located above it.

したがってレジン収容室１１内に収容された溶融レジン
は、ノズル１３ｃを通って造粒室１２内に線状に流下し
、この過程で、噴水口１３ｄから噴出する冷却水によっ
て急冷されて固化する。Therefore, the molten resin stored in the resin storage chamber 11 flows linearly into the granulation chamber 12 through the nozzle 13c, and in this process is rapidly cooled and solidified by the cooling water jetted from the water fountain 13d.

なお溶融レジンの溶融粘度に対してノズル１３ｃの直径
が小さい場合には、溶融レジンの流下をたすけるために
レジン収容室１１内を加圧してもよく、また溶融レジン
の温度を一定に保つために、レジン収容室１１の周囲に
加熱ジャケット１６を設け、この加熱ジャケット１６内
にパイプ１７からスチーム等を供給するようにしてもよ
い。Note that when the diameter of the nozzle 13c is small relative to the melt viscosity of the molten resin, the inside of the resin storage chamber 11 may be pressurized to help the molten resin flow down, and to keep the temperature of the molten resin constant. A heating jacket 16 may be provided around the resin storage chamber 11, and steam or the like may be supplied into the heating jacket 16 from a pipe 17.

さらに造粒室１２の代部には、送水パイプ１５に支持さ
れた状態で回転自在なカッター１８が配置されている。Further, in a portion of the granulation chamber 12, a rotatable cutter 18 is disposed while being supported by the water pipe 15.

このカッター１８は、第２図および第３図に示すように
、送水パイプ１５に取付けられるボス１８ａと、このボ
ス１８ａに固定された複数（この例では４枚）のブレー
ド１８ｂとからなっている。As shown in FIGS. 2 and 3, this cutter 18 consists of a boss 18a attached to the water pipe 15 and a plurality of (four in this example) blades 18b fixed to the boss 18a. .

各ブレード１８ｂは、ボス１８ａから放射方向に延び、
ボス１８ａの軸心と垂直な平面に対して所定の傾斜角を
有しているとともにその回転前縁には鋭利なエツジが形
成されている。Each blade 18b extends radially from the boss 18a;
It has a predetermined inclination angle with respect to a plane perpendicular to the axis of the boss 18a, and a sharp edge is formed at its rotating front edge.

したがってこのカッター１８は、隔壁１３の噴水口１３
ｄから噴出した水の圧力を受けて所定の方向（第３図の
時計方向）に高速回転し、この過程で、ノズル１３ｃか
ら流下した樹脂の線状体（これはすでに冷却によって固
化もしくは半固化している。Therefore, this cutter 18
It rotates at high speed in a predetermined direction (clockwise in Fig. 3) under the pressure of the water ejected from the nozzle 13c, and in this process, the resin linear body (which has already solidified or semi-solidified by cooling are doing.

）をブレード１８ｂのエツジで切断する。すなわちこの
段階で樹脂の造粒が行われる。) is cut with the edge of the blade 18b. That is, the resin is granulated at this stage.

そして形成された樹脂の粒子（以下「レジン粒子」とい
う）は、造粒槽１０の底部に設けた排出口から水ととも
に分離機２０に送られる。The formed resin particles (hereinafter referred to as "resin particles") are sent to the separator 20 along with water from an outlet provided at the bottom of the granulation tank 10.

なおりツタ−１８は、流下する水の圧力で回転させる代
りに、モータなどの動力を用いて積極的に回転させても
よい。Instead of being rotated by the pressure of the flowing water, the guide vines 18 may be actively rotated using power from a motor or the like.

分離機２０は、造粒槽１０から取り出されたレジン粒子
を水から分離するだめのもので、浅い槽２１と、傾斜し
た搬送面を有するコンベア２２とを有している。The separator 20 is for separating the resin particles taken out from the granulation tank 10 from water, and has a shallow tank 21 and a conveyor 22 having an inclined conveyance surface.

このコンベア２２は、金属網のような通水性を有するベ
ルトからなるベルトコンベアの形態をなすもので、造粒
槽１０から取出されたレジン粒子を斜め上方に向けて移
送する過程で水の分離を行う機能を有する。This conveyor 22 is in the form of a belt conveyor made of a water-permeable belt such as a metal net, and separates water in the process of transporting the resin particles taken out from the granulation tank 10 diagonally upward. It has the function to do.

また望ましくは、レジン粒子を予備乾燥するため、コン
ベア２２によって移送されるレジン粒子に冷却空気を吹
きつける冷却パイプ２３が設けられる。Preferably, a cooling pipe 23 is provided for blowing cooling air onto the resin particles transferred by the conveyor 22 in order to pre-dry the resin particles.

分離機２０で水から分離されたリジン粒子は、つぎのパ
ケットコンベア３０で揚上されたのち、乾燥機４０に送
られる。The lysine particles separated from water by the separator 20 are lifted up by the next packet conveyor 30 and then sent to the dryer 40.

この乾燥機４０は、逆円錐状をなすタンク４１と、この
タンク４１内の円錐面に対して所定の間隔をおいて対向
する逆円錐状の多孔板４２とを有し、パケットコンベア
３０によって送られてきたレジン粒子は、多孔板４２の
内側に形成されたほぼ円錐形の乾燥室４３内に収容され
る。This dryer 40 has an inverted conical tank 41 and an inverted conical perforated plate 42 that faces the conical surface of the tank 41 at a predetermined distance. The resin particles thus produced are stored in a substantially conical drying chamber 43 formed inside the perforated plate 42.

またタンク４１と多孔板４２との間に形成された通路４
４内には、ブロワ４５の作用で乾燥用の冷却空気が供給
される。Also, a passage 4 formed between the tank 41 and the perforated plate 42
Cooling air for drying is supplied into the inside of the dryer 4 by the action of a blower 45.

この冷却空気は、通路４４内に入ったのち、多孔板４２
の開口を通って乾燥室４３内に入り、この乾燥室４３内
に収容されているレジン粒子間の空隙を通って流れ、こ
の間にレジン粒子を乾燥させる。This cooling air enters the passage 44 and then passes through the perforated plate 42.
The resin enters the drying chamber 43 through the opening and flows through the gaps between the resin particles contained in the drying chamber 43, during which time the resin particles are dried.

そして乾燥されたレジン粒子は、乾燥室４３の底部に設
けた排出パイプ４６から製品として取出される。The dried resin particles are then taken out as a product from a discharge pipe 46 provided at the bottom of the drying chamber 43.

また符号４７で示すバルブは、乾燥室４３で乾燥された
レジン粒子を取り出すだめのものである。A valve 47 is for taking out the resin particles dried in the drying chamber 43.

以上のようにこの発明の造粒装置においては、造粒すべ
き原料樹脂は、ノズルから下方に向けて線状に吐出され
たのちに冷却水によって冷却固化され、ついでカッター
によって所定の長さに切断されることによって造粒され
る。As described above, in the granulator of the present invention, the raw material resin to be granulated is linearly discharged downward from the nozzle, cooled and solidified by cooling water, and then cut into a predetermined length by the cutter. It is granulated by cutting.

したがって従来のスプレー乾燥とは異なって、スプレー
および急速乾燥のだめの大きい設備ならびに熱源が不要
になり、同一の処理能力を基準にして、建設費および運
転経費を１／１０もしくはそれ以下に低減できる。Therefore, unlike conventional spray drying, large equipment and heat sources for spraying and rapid drying are not required, and construction and operating costs can be reduced to 1/10 or less based on the same throughput.

またスクリュー押出機による造粒と比較すれば、同一の
造粒能力をもつ装置を約１／１０の建設費でつ（ること
かでき、運転経費も約１１５に過ぎない。Furthermore, compared to granulation using a screw extruder, a device with the same granulation capacity can be constructed at about 1/10th the construction cost, and the operating cost is only about 115%.

さらにこの発明の造粒装置は、ノボラック形フェノール
樹脂、スチロール、ＡＢＳ、ＡＳ、 ジアクリルフタレ
ート樹脂、ポリエステル樹脂等の熱可塑性樹脂はもちろ
ん、レゾール形フェノ、−ル樹脂、エポキシ樹脂（硬化
剤を含む）等の熱硬化性樹脂の造粒を行うことができる
という利点を有する。Furthermore, the granulation device of the present invention can process not only thermoplastic resins such as novolac type phenolic resin, styrene, ABS, AS, diacryl phthalate resin, and polyester resin, but also resol type phenolic resin, epoxy resin (including hardening agent), etc. ) and other thermosetting resins can be granulated.

【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による造粒装置を示す概略
的縦断面図、第２図は同装置に用いられたカッターの側
面図、第３図はその平面図である。 １０・・・造粒槽、１１・・・収容室、１２・・・造粒
室、１３・・・隔壁、１３・・・Ｃノズル、１３ｄ・・
・噴水口、１５・・・送水パイプ、１８・・・カッター
、２０・・・分離機、２２・・・コンベア、３０・・・
パケットコンベア、４０・・・乾燥機、４２・・・多孔
板、４３・・・乾燥室。FIG. 1 is a schematic vertical cross-sectional view showing a granulating device according to an embodiment of the present invention, FIG. 2 is a side view of a cutter used in the device, and FIG. 3 is a plan view thereof. DESCRIPTION OF SYMBOLS 10... Granulation tank, 11... Accommodation chamber, 12... Granulation chamber, 13... Partition wall, 13... C nozzle, 13d...
・Fountain, 15...Water pipe, 18...Cutter, 20...Separator, 22...Conveyor, 30...
Packet conveyor, 40... Dryer, 42... Perforated plate, 43... Drying room.

Claims (1)

【特許請求の範囲】[Claims] １ 造粒すべき樹脂を溶融状態で収容する収容室と、こ
の収容室の下方に形成された造粒室と、上記収容室およ
び造粒室を区画する隔壁とを備え、この隔壁は、上記収
容室内の溶融樹脂を下方に向けて線状に流下させるだめ
のノズルと、このノズルから線状に流下した樹脂に冷却
水を接触させて冷却固化させる噴水口とを有し、さらに
上記造粒室内には、上記ノズルから線状に流下し、つい
で固化した樹脂の所定の長さに切断するカッターを設け
たことを特徴とする樹脂の造粒装置。1. A storage chamber that accommodates the resin to be granulated in a molten state, a granulation chamber formed below the storage chamber, and a partition wall that partitions the storage chamber and the granulation chamber, and this partition wall is It has a nozzle that causes the molten resin in the storage chamber to flow downward in a linear manner, and a water fountain that brings cooling water into contact with the resin flowing down in a linear manner from this nozzle to cool and solidify the resin, and further includes the above-mentioned granulation method. A resin granulation apparatus characterized in that a cutter is provided in the chamber for cutting the resin that flows down from the nozzle in a linear shape and then solidifies into a predetermined length.
JP52156133A 1977-12-24 1977-12-24 resin granulation equipment Expired JPS5942603B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52156133A JPS5942603B2 (en) 1977-12-24 1977-12-24 resin granulation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52156133A JPS5942603B2 (en) 1977-12-24 1977-12-24 resin granulation equipment

Publications (2)

Publication Number Publication Date
JPS5487756A JPS5487756A (en) 1979-07-12
JPS5942603B2 true JPS5942603B2 (en) 1984-10-16

Family

ID=15621034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52156133A Expired JPS5942603B2 (en) 1977-12-24 1977-12-24 resin granulation equipment

Country Status (1)

Country Link
JP (1) JPS5942603B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4662133B2 (en) * 2005-04-19 2011-03-30 日立化成工業株式会社 Method for producing epoxy resin composition for semiconductor encapsulation

Also Published As

Publication number Publication date
JPS5487756A (en) 1979-07-12

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