JPS6378707A - Dehumidifying drier of resin pellet - Google Patents
Dehumidifying drier of resin pelletInfo
- Publication number
- JPS6378707A JPS6378707A JP22449786A JP22449786A JPS6378707A JP S6378707 A JPS6378707 A JP S6378707A JP 22449786 A JP22449786 A JP 22449786A JP 22449786 A JP22449786 A JP 22449786A JP S6378707 A JPS6378707 A JP S6378707A
- Authority
- JP
- Japan
- Prior art keywords
- hopper
- air
- resin pellets
- drying
- dehumidifying
- 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.)
- Pending
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 34
- 229920005989 resin Polymers 0.000 title claims abstract description 33
- 239000011347 resin Substances 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000002699 waste material Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 23
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000007791 dehumidification Methods 0.000 abstract description 8
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241001459693 Dipterocarpus zeylanicus Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- 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
Abstract
Description
【発明の詳細な説明】
（イ）発明の分野
この発明は、例えば樹脂ペレットを射出成型機等の合成
樹脂成型装置に入れて樹脂製品を成型する前段階におい
て、上記樹脂ペレットを除湿乾燥させたり、また結晶化
（固相重合）させるために用いる樹脂ペレットの除湿乾
燥機に関する。Detailed Description of the Invention (a) Field of the Invention This invention provides a method for dehumidifying and drying the resin pellets, for example, before placing the resin pellets in a synthetic resin molding device such as an injection molding machine and molding the resin product. , and also relates to a dehumidifying dryer for resin pellets used for crystallization (solid phase polymerization).
（ロ）発明の背理
従来、上述例の樹脂ペレットの除湿乾燥機としては、例
えば実開昭６１−１０１３９１公報に記載の装置がある
。(B) Background of the Invention Conventionally, as a dehumidifying dryer for resin pellets as described above, there is an apparatus described in, for example, Japanese Utility Model Application Laid-Open No. 61-101391.
すなわち、内部に樹脂ペレットを投入して除湿乾燥する
ホッパを設け、このホッパに循環路を接続すると共に、
該循環路にはファン、冷却器、除湿器および再熱器を介
設して、ホッパ内の樹脂ペレットを連続脱湿および乾燥
するように構成した装置である。That is, a hopper is provided inside which dehumidifies and dries the resin pellets, and a circulation path is connected to this hopper.
The circulation path is equipped with a fan, a cooler, a dehumidifier, and a reheater to continuously dehumidify and dry the resin pellets in the hopper.
しかし、この従来装置では、上述のベレット乾燥、除湿
に新気でない循環空気を用いている関係上、長期の使用
に隙して循環空気中に樹脂ペレットから発生するエチレ
ングリコール（ト１０ＣＨ２ＣＨ２０Ｈ）や水分等の不
純物が混入し、循環空気による除湿、乾燥効率が大幅に
低下するばかり 。However, this conventional device uses circulating air, which is not fresh air, for drying and dehumidifying the pellets as described above. The dehumidification and drying efficiency of the circulating air will be greatly reduced due to the contamination of impurities such as
でなく、上述のエチレングチルコール等により循環系が
詰まる可能性もあった。Moreover, there was a possibility that the circulatory system would be clogged by the above-mentioned ethylene glycol.
（ハ）発明の目的
この発明は、循環エア系と除湿エア系とを分離して、除
湿エアとして新気を用いると共に、ホッパ通過後の吸湿
エアを外部に除去することにより、除湿、乾燥効率の大
幅な向上を図って、エチレングリコール等の不純物で循
環エア系が詰まるのを防止することができる樹脂ベレッ
トの除湿乾燥機の提供を目的とする。(c) Purpose of the Invention This invention improves dehumidification and drying efficiency by separating the circulating air system and dehumidifying air system, using fresh air as the dehumidifying air, and removing moisture-absorbed air after passing through the hopper to the outside. The purpose of the present invention is to provide a dehumidifying dryer for resin pellets that can greatly improve the performance of the resin pellets and prevent clogging of the circulating air system with impurities such as ethylene glycol.
（ニ）発明の要約
この発明は、ホッパに、該ホッパの上部および中間部と
連通する循環路を接続し、この循環路にエア循環手段お
よびエア加熱手段を介設すると共に、除湿エアを上記エ
ア加熱手段で加熱してホッパ下部に供給する除湿エア供
給管を設【ノ、上記ホッパ上部には吸湿エアをホッパ外
部に除去するエア排出管を取付けた樹脂ベレットの除湿
乾燥機であることを特徴とする。(D) Summary of the Invention This invention connects a hopper with a circulation path that communicates with the upper and middle portions of the hopper, interposes an air circulation means and an air heating means in this circulation path, and supplies dehumidified air to the hopper. A dehumidifying air supply pipe that is heated by an air heating means and supplied to the lower part of the hopper is installed.This is a resin pellet dehumidifying dryer with an air exhaust pipe attached to the upper part of the hopper to remove the moisture-absorbed air to the outside of the hopper. Features.
（ホ）発明の効果
この発明によれば、循環路に対して分離させた除湿エア
供給管に新気を送給すると、この新気は除湿および加熱
された後にホッパ下部から同ホッパ内に供給され、樹脂
ベレットを除湿乾燥した後の吸湿エアは、エチレングリ
コール等の不純物を伴ってエア排出管からホッパ外部に
除去されるので、循環空気中に混入する不純物す量を著
しく低減させることができ、この結果、除湿、乾燥効率
の大幅な向上を図ることができると共に、エチレングリ
コール等により循環エア系が詰まるのを確実に防止する
ことができる効果がある。(e) Effects of the Invention According to this invention, when fresh air is supplied to the dehumidified air supply pipe separated from the circulation path, this fresh air is dehumidified and heated before being supplied from the lower part of the hopper into the same hopper. The moisture-absorbing air after dehumidifying and drying the resin pellets is removed from the air exhaust pipe to the outside of the hopper along with impurities such as ethylene glycol, so the amount of impurities mixed into the circulating air can be significantly reduced. As a result, dehumidification and drying efficiency can be greatly improved, and the circulating air system can be reliably prevented from being clogged with ethylene glycol or the like.
またホッパ中間部より上域を予備乾燥セクションに、ホ
ッパ下部とホッパ中間部との間を高乾燥保温セクション
にそれぞれ分離することができるので、樹脂ベレットの
除湿乾燥を効果的に行なうことができる効果がある。In addition, the area above the middle part of the hopper can be separated into a pre-drying section, and the area between the lower part of the hopper and the middle part can be separated into a high-drying and heat-retaining section, making it possible to effectively dehumidify and dry resin pellets. There is.
（へ）発明の実施例 この発明の一実施例を以下図面に基づいて詳述する。(f) Examples of the invention An embodiment of the present invention will be described in detail below based on the drawings.
図面は樹脂ベレットの除湿乾燥機を示し、第１図におい
て、内部に例えばポリエステル苫の樹脂ベレットＡ・・
・を投入して除湿乾燥するホッパ１を設け、このホッパ
１の外周部には放熱防止用の断熱材２を配設すると共に
、ホッパ１上端には樹脂ベレットＡの入口（図示せず）
を、またホッパ１上端には樹脂ベレットＡの取出口３を
それぞれ形成している。The drawing shows a dehumidifying dryer made of resin pellets, and in FIG.
・ A hopper 1 is provided for dehumidifying and drying by charging the hopper 1, and a heat insulating material 2 for preventing heat radiation is provided on the outer periphery of the hopper 1, and an inlet for a resin pellet A (not shown) is provided at the upper end of the hopper 1.
In addition, an outlet 3 for the resin pellet A is formed at the upper end of the hopper 1.
上述のホッパ１の外部には、該ホッパ１の上端部おＪ：
び中間部と連通ずる循環路４を連通接続している。On the outside of the above-mentioned hopper 1, there is an upper end portion of the hopper 1:
and a circulation path 4 communicating with the intermediate portion.
そして、この循環路４には、エア循環手段としてのブロ
ア５と、エア加熱手段としての加熱ｎ６とを介設し、こ
の加熱筒６内にはヒータ電源７に接続したヒータ８を配
設している。A blower 5 as an air circulation means and a heating n6 as an air heating means are interposed in this circulation path 4, and a heater 8 connected to a heater power source 7 is arranged in this heating tube 6. ing.
一方、上述の加熱筒６内を口過する除湿エア供給管９を
設け、この除湿エア供給管９の上流側には開閉弁１０、
除湿器１１を介して新気供給源としてのニアコンプレッ
サ１２を接続し、同供給管９の下流側はホッパ１のテー
パコーン状の下端部に）ル通接続している。On the other hand, a dehumidified air supply pipe 9 that passes through the inside of the heating cylinder 6 described above is provided, and an on-off valve 10 is provided on the upstream side of this dehumidified air supply pipe 9.
A near compressor 12 as a fresh air supply source is connected via a dehumidifier 11, and the downstream side of the supply pipe 9 is connected to the tapered cone-shaped lower end of the hopper 1.
寸なわち、上述のニアコンプレッサ１２から圧送される
新気を、除湿器１１で除湿し、さらに加熱筒６のヒータ
８で加熱した除湿高温エアを第１図に矢印ａで示す如く
ホッパ１下部に供給ずべく構成している。That is, the fresh air pumped from the above-mentioned near compressor 12 is dehumidified by the dehumidifier 11, and the dehumidified high-temperature air heated by the heater 8 of the heating tube 6 is sent to the lower part of the hopper 1 as shown by arrow a in FIG. The system is designed to ensure that it is not supplied to the public.
しかも、上述のホッパ１の上端部には吸湿エアをホッパ
１外に除去するエア排出管１３を取付け、このエア朔出
管１３に排出弁１４を介設している。Moreover, an air discharge pipe 13 for removing moisture-absorbed air to the outside of the hopper 1 is attached to the upper end of the hopper 1, and a discharge valve 14 is interposed in the air discharge pipe 13.
このように構成すると、加熱筒６内においてヒータ８で
加熱された高温循環エアをブロア５によって矢印す方向
に循環させる循環エア系Ｘど、新気を除湿、加熱した除
湿高温エアを矢印ａ方向に供給した後、ホッパ１通過後
の吸湿エアを外部に放出する除湿エア系Ｙとの二つのエ
ア系Ｘ、Ｙを分離形成することができ金と共に、ホッパ
１内を中間部より上域の予備乾燥セクションＳ１と、ホ
ッパ下部からホッパ中間部までの間の高乾燥保温セクシ
ョンＳ２とに分子！ｎすることができる。With this configuration, the circulating air system X circulates the high-temperature circulating air heated by the heater 8 in the heating cylinder 6 in the direction indicated by the arrow by the blower 5, dehumidifies fresh air, and circulates the heated dehumidified high-temperature air in the direction of the arrow a. It is possible to separate the two air systems X and Y from the dehumidifying air system Y, which releases the moisture-absorbed air after passing through the hopper 1 to the outside. Molecules in the pre-drying section S1 and the high dry heat retention section S2 between the bottom of the hopper and the middle of the hopper! n can be done.
ここで、第１図の矢印ａ方向に供給される除湿高温エア
は高圧力のエアコンブレラυ１２により送給されるので
、高乾燥保温セクションＳ２に上側の予備乾燥セクショ
ンＳ１のエアが流入することはないが、これら両セクシ
ョン３１．８２の境界部にフレキシブルシートや開閉シ
１ｒツタ等の仕切り手段を設けてもよい。Here, since the dehumidified high-temperature air supplied in the direction of arrow a in FIG. However, a partition means such as a flexible sheet or an opening/closing ivy may be provided at the boundary between these two sections 31.82.
なお、第１図における１５はホッパ１のテーパコーン部
外周に必要に応じて配設する熱ａ補充用のヒータである
。□
図示実施例は上記の如く構成するものにして、以下作用
を説明する。Note that 15 in FIG. 1 is a heater for replenishing heat a, which is disposed on the outer periphery of the tapered cone portion of the hopper 1 as necessary. □ The illustrated embodiment is constructed as described above, and its operation will be explained below.
ホッパ１内に投入された樹脂ペレットＡ・・・は、まず
上側の予備乾燥セクションＳ１において加熱筒６下端部
から矢印す方向へ供給される高温循環エアで昇温され、
予備脱水が行なわれる。The resin pellets A... introduced into the hopper 1 are first heated in the upper pre-drying section S1 by high-temperature circulating air supplied from the lower end of the heating cylinder 6 in the direction of the arrow.
Preliminary dehydration is performed.
処理渋み樹脂ペレットＡの前述の取出口３からの取出し
操作により、上述の予備乾燥セクションＳ１内の樹脂ペ
レット・・・Ａは、下側の高乾燥保温セクションＳ２に
流下し、このセクションＳ２において除湿エア供給管９
の先端から矢印ａ方向へ供給される除湿高温エアで除湿
、高乾燥および保温されながら順次結晶化が促進される
。By taking out the treated astringent resin pellets A from the above-mentioned take-out port 3, the resin pellets...A in the above-mentioned pre-drying section S1 flow down to the lower highly dry heat-retaining section S2, and are dehumidified in this section S2. Air supply pipe 9
Crystallization is successively promoted while being dehumidified, highly dried, and kept warm by dehumidified high-temperature air supplied from the tip in the direction of arrow a.
上述の樹脂ペレットＡ・・・の除湿乾燥時に、該ペレッ
トＡ・・・からエチレングリコールや水分等の不純物が
発生するが、これらの不純物はホッパ１内をその下部か
ら上部に向けて流動するエアと共に、エア排出管１３か
らホッパ１外へ放出除去される。During the dehumidifying and drying of the resin pellets A... mentioned above, impurities such as ethylene glycol and moisture are generated from the pellets A..., but these impurities are absorbed by the air flowing inside the hopper 1 from the bottom to the top. At the same time, the air is discharged from the air discharge pipe 13 to the outside of the hopper 1 and removed.
このように循環エア系Ｘの循環路４に対して分離した除
湿エア供給管９にニアコンプレッサ１２からの新気を送
給すると、この新気は除湿、加熱された後にホッパ１下
部から同ホッパ１内に供給され、樹脂ペレットＡ・・・
を除湿、乾燥した後の吸湿エアは、上述のエチレングリ
コール等の不純物を伴ってエア排出管１３からホッパ１
外部に除去されるので、矢印す方向に循環する循環エア
中に混入する不純物の屋を著るしく低減させることがで
きる。When fresh air from the near compressor 12 is fed to the dehumidified air supply pipe 9 separated from the circulation path 4 of the circulating air system 1, resin pellets A...
After dehumidifying and drying the air, the moisture-absorbing air is discharged from the air discharge pipe 13 to the hopper 1 along with impurities such as the above-mentioned ethylene glycol.
Since it is removed to the outside, the amount of impurities mixed into the circulating air circulating in the direction of the arrow can be significantly reduced.
この結果、除湿、乾燥効率の大幅な向上を図ることがで
きると共に、エチレングリコール等により循環エア系が
詰まるのを確実に防止することができる効果がある。As a result, dehumidification and drying efficiency can be greatly improved, and the circulating air system can be reliably prevented from being clogged with ethylene glycol or the like.
加えて、上述のホッパ１内を上側の予備乾燥セクション
Ｓ１と、下側の高乾燥保温セクションＳ２とに分離でき
るので、樹脂ペレットＡ・・・の効果的な除湿、乾燥を
行なうことができる効果がある。In addition, since the interior of the hopper 1 can be separated into the upper pre-drying section S1 and the lower high-dry heat retention section S2, the resin pellets A can be effectively dehumidified and dried. There is.
第２図は他の実施例を示し、この実施例では加熱筒６の
流出側の循環路４に延長管４ａを形成し、この延長管４
ａをホッパ１上端から同ホッパ１の軸芯線に沿って中間
部まで垂下させ、この垂下端に拡散筒４ｂを一体形成す
ると共に、加熱筒６内に配設した除湿エア供給管９の延
長部９ａを、上述の延長管４ａ内を通してホッパ１下部
まで垂下させ、この垂下端に拡＠［９ｂを一体形成した
ものである。FIG. 2 shows another embodiment, in which an extension pipe 4a is formed in the circulation path 4 on the outflow side of the heating cylinder 6.
A is made to hang down from the upper end of the hopper 1 to the middle part along the axis of the hopper 1, and a diffusion tube 4b is integrally formed at this hanging end, and an extension of the dehumidified air supply pipe 9 arranged in the heating tube 6. 9a is passed through the above-mentioned extension pipe 4a and hangs down to the lower part of the hopper 1, and a widened part 9b is integrally formed at the hanging end.
このように構成すると、上述の各拡散筒４ｂ。With this configuration, each of the above-mentioned diffusion tubes 4b.
９ｂにより高温循環エアおよび除湿ｉ３温エアをホッパ
１内に拡散して供給することができるので、除湿、乾燥
の均一化を図ることができる。Since the high-temperature circulating air and the dehumidified i3-temperature air can be diffused and supplied into the hopper 1 by the 9b, uniform dehumidification and drying can be achieved.
また除湿エア供給管９と循環路４および延長管４ａとの
沿設長さが長くなるので、循環路４で除湿エア供給管９
を保温することができ、ヒータ８の発熱ａを有効に利用
することができる効果がある。In addition, since the length of the dehumidified air supply pipe 9 and the circulation path 4 and the extension pipe 4a becomes longer, the dehumidified air supply pipe 9
This has the effect that the heat generated by the heater 8 can be effectively used.
なお、その他の点については第１図で示した先の実施例
と略同様の作用・効果を奏するので、第２図において第
１図と同一の部分には同一番号および同一符号を付して
その詳しい説明を省略する。In other respects, the same functions and effects as in the previous embodiment shown in FIG. 1 are achieved, so the same parts in FIG. 2 as in FIG. 1 are given the same numbers and symbols. The detailed explanation will be omitted.
この発明の構成と、上述の実施例との対応において、
この発明のエア循環手段は、実施例のブロア５に対応し
、
以下同様に、
エア加熱手段は、ヒータ８を配設した加熱筒６に対応す
るも、
この発明は、上述の実施例の構成のみに限定されるもの
ではない。In the correspondence between the configuration of the present invention and the above-described embodiments, the air circulation means of the present invention corresponds to the blower 5 of the embodiment, and similarly, the air heating means corresponds to the heating cylinder 6 in which the heater 8 is disposed. However, the present invention is not limited to the configuration of the above-described embodiment.
また、第１図に示すホッパ１と循環路４下端および除湿
エア供給菅９下端に気流分散手段を設【）て供給部ｆア
を分散均一化することで、除湿、乾燥をホッパ全域にお
いて均等に行なうように構成してもよい。すなわち、循
環路４下端に対応するホッパ１の中間部外周並びに除湿
エア供給管９下端に対応するホッパ１の下部外周にそれ
ぞれ中空状の環状ダクトを配設し、上記各要素４．９下
端をダクト内に連通すると共に、ホッパ中間部およびホ
ッパ下部に同ホッパの内外を連通ずる複数の通気孔を周
方向に沿って穿設することで、気流分散を図るように構
成してもよいことは勿論である。In addition, air flow dispersion means is installed at the lower end of the hopper 1, the circulation path 4, and the lower end of the dehumidified air supply pipe 9 shown in Fig. 1 to uniformly distribute the supply section fa, thereby ensuring uniform dehumidification and drying throughout the hopper area. It may also be configured so that it is carried out separately. That is, hollow annular ducts are provided on the outer periphery of the middle part of the hopper 1 corresponding to the lower end of the circulation path 4 and on the lower outer periphery of the hopper 1 corresponding to the lower end of the dehumidified air supply pipe 9, and the lower end of each element 4.9 is It is also possible to construct a structure in which airflow distribution is achieved by drilling a plurality of ventilation holes along the circumferential direction that communicate with the inside of the duct and also communicate between the inside and outside of the hopper in the middle part of the hopper and the bottom part of the hopper. Of course.
図面はこの発明の一実施例を示し、
第１図は樹脂ベレットの除湿乾燥機を示す系統図、第２
図は除湿乾燥橢の他の実施例を示す系統図である。
１・・・ホッパ ４・・・循環路５・・・ブ
ロア ６・・・加熱筒８・・・ヒータ
９・・・除湿エア供給管１３・・・エア排出管
△・・・樹脂ベレットト・・ホラ／Ｙ
９・・・除混工了僕恰巷The drawings show an embodiment of the present invention, and FIG. 1 is a system diagram showing a dehumidifying dryer for resin pellets, and FIG.
The figure is a system diagram showing another embodiment of the dehumidifying drying rack. 1...Hopper 4...Circulation path 5...Blower 6...Heating cylinder 8...Heater
9...Dehumidified air supply pipe 13...Air discharge pipe
△・・・Resin bellet・Hora/Y 9・・・Removal of mixed work completed
Claims (1)
を備えた樹脂ペレットの除湿乾燥 機であつて、 上記ホッパに、該ホッパの上部および中間 部と連通する循環路を接続し、 この循環路にエア循環手段およびエア加熱 手段を介設すると共に、 除湿エアを上記エア加熱手段で加熱してホ ッパ下部に供給する除湿エア供給管を設け、上記ホッパ
上部には吸湿エアをホッパ外部 に除去するエア排出管を取付けた 樹脂ペレットの除湿乾燥機。[Scope of Claims] 1. A dehumidifying dryer for resin pellets, which is equipped with a hopper that dehumidifies and dries resin pellets by charging the resin pellets therein, the hopper having a circulation path that communicates with the upper and middle parts of the hopper. An air circulation means and an air heating means are interposed in this circulation path, and a dehumidified air supply pipe is provided to heat the dehumidified air with the air heating means and supply it to the lower part of the hopper, and the upper part of the hopper is provided with a dehumidified air supply pipe. A dehumidifying dryer for resin pellets equipped with an air discharge pipe that removes waste to the outside of the hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22449786A JPS6378707A (en) | 1986-09-22 | 1986-09-22 | Dehumidifying drier of resin pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22449786A JPS6378707A (en) | 1986-09-22 | 1986-09-22 | Dehumidifying drier of resin pellet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378707A true JPS6378707A (en) | 1988-04-08 |
Family
ID=16814722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22449786A Pending JPS6378707A (en) | 1986-09-22 | 1986-09-22 | Dehumidifying drier of resin pellet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378707A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061383A1 (en) * | 2002-12-20 | 2004-07-22 | Kabushikikaisha Matsui Seisakusho | Drying-storing apparatus for powder material and feeding system for powder material |
| EP1671773A1 (en) * | 2004-12-20 | 2006-06-21 | Total Petrochemicals Research Feluy | Pellet treatment unit |
| CN106514898A (en) * | 2016-08-30 | 2017-03-22 | 宁波科镭汽车零部件有限公司 | Drying system for manufacturing automobile air-inlet grille |
-
1986
- 1986-09-22 JP JP22449786A patent/JPS6378707A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061383A1 (en) * | 2002-12-20 | 2004-07-22 | Kabushikikaisha Matsui Seisakusho | Drying-storing apparatus for powder material and feeding system for powder material |
| JPWO2004061383A1 (en) * | 2002-12-20 | 2006-05-18 | 株式会社松井製作所 | Dry storage device for granular material and supply system for granular material |
| US7703217B2 (en) | 2002-12-20 | 2010-04-27 | Kabushikikaisha Matsui Seisakusho | Drying-storing apparatus for powdered or granular material and feeding system for powdered or granular material |
| JP4533754B2 (en) * | 2002-12-20 | 2010-09-01 | 株式会社松井製作所 | Powder material supply system |
| EP1671773A1 (en) * | 2004-12-20 | 2006-06-21 | Total Petrochemicals Research Feluy | Pellet treatment unit |
| WO2006067146A1 (en) * | 2004-12-20 | 2006-06-29 | Total Petrochemicals Research Feluy | Pellet treatment unit |
| EA011783B1 (en) * | 2004-12-20 | 2009-06-30 | Тотал Петрокемикалс Рисерч Фелюй | A method for reducing volatiles in polyethylene pellets |
| CN106514898A (en) * | 2016-08-30 | 2017-03-22 | 宁波科镭汽车零部件有限公司 | Drying system for manufacturing automobile air-inlet grille |
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