JP2013237265A - プラスチック材料粒状体を製造するための処理プラント始動方法、及び、プラスチック材料粒状体を製造するための処理プラント - Google Patents
プラスチック材料粒状体を製造するための処理プラント始動方法、及び、プラスチック材料粒状体を製造するための処理プラント Download PDFInfo
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/682—Barrels or cylinders for twin screws
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
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Abstract
【解決手段】プラスチック材料粒状体を製造するための処理プラントにおいて、先ず駆動装置18によってスクリュー式射出成形機3を駆動し、次に処理すべきプラスチック材料2を計量装置24によって当該射出成形機へ送る。当該射出成形機3内におけるプラスチック材料2の少なくとも一つの運搬位置を、制御装置で少なくとも一つの測定信号を評価することによって決定する。決定された当該運搬位置に応じて造粒装置6が作動される。この構成によって課題が解決される。
【選択図】図1
Description
Claims (16)
- プラスチック材料粒状体を製造するための処理プラントを始動する方法であって、以下の工程、即ち、
− 以下を有する処理プラント(1)を備える工程であって、
−− スクリュー式射出成形機(3)と、
−− 前記スクリュー式射出成形機(3)用の電気駆動装置(18)と、
−− 処理すべきプラスチック材料(2)を前記スクリュー式射出成形機(3)に供給するための計量装置(24)と、
−− 前記スクリュー式射出成形機(3)の、プラスチック材料(2)の運搬方向(5)の下流に配置された、造粒装置(6)と、及び、
−− 制御装置(67)とを有する、処理プラント(1)を備える工程と、
− 前記駆動装置(18)によって前記スクリュー式射出成形機(3)を駆動する工程と、
− 前記計量装置(24)によって、処理すべきプラスチック材料(2)を前記スクリュー式射出成形機(3)へ供給する工程と、
− 前記制御装置(67)によって前記処理プラント(1)用に決定された少なくとも一つの測定信号(p(P1)、p(P2);M、p(P2);PW、p(P2))を評価することによって、前記スクリュー式射出成形機(3)内にあるプラスチック材料(2)の少なくとも一つの運搬位置(P1、P2)を決定する工程と、及び、
− 前記決定された少なくとも一つの運搬位置(P1、P2)に応じて、造粒装置(6)を作動する工程と、を含む方法において、
前記造粒装置(6)を作動させるために予め定められた処理を開始する始動時間T0が、前記制御装置(67)によって前記少なくとも一つの測定信号(p(P1);M;PW)を用いて決定されること、及び、
造粒水を供給するための造粒装置(6)の弁(44)が、始動時間T0から時間間隔ΔTWで作動されることを特徴とする、方法。 - 造粒装置(6)のカッティング機構(61)が、始動時間T0から時間間隔ΔTGで作動されることを特徴とする、請求項1に記載の方法。
- ΔTW>ΔTGが適用されることを特徴とする、請求項2に記載の方法。
- 造粒装置(6)の噴霧機構(62)によって霧状噴霧が生成されることを特徴とする、請求項1〜3のいずれか一項に記載の方法。
- 噴霧機構(62)が、始動時間T0から時間間隔ΔTSで作動されることを特徴とする、請求項4に記載の方法。
- ΔTG>ΔTSが適用されることを特徴とする、請求項5に記載の方法。
- 時間間隔ΔTW、ΔTG、及び、ΔTSの少なくとも一つが、軸スピード、及び、計量速度の状態変数の少なくとも一つによって決定されることを特徴とする、請求項1〜6のいずれか一項に記載の方法。
- 始動時間T0が第1測定信号(p(P1);M;PW)によって定められ、且つ、第2測定信号(p(P2))は、プラスチック材料(2)によって特定の運搬位置(P2)で生じた圧力を特徴づけており、前記第2測定信号(p(P2))が閾値Wpを越える時に、制御装置(67)によって時間T1が決定され、後の作動のために始動時間T0、時間間隔ΔTW、時間間隔ΔTG、及び、時間間隔ΔTSの群のうち、少なくともひとつの作動変数が、前記時間T1を用いて補正されることを特徴とする、請求項1〜7のいずれか一項に記載の方法。
- 少なくとも一つの測定信号(M;PW)が駆動装置(18)のトルクを特徴づけており、閾値WMが超過される時に、制御装置(67)によって始動時間T0が定められることを特徴とする、請求項1〜8のいずれか一項に記載の方法。
- 少なくとも一つの測定信号(p(P1)、p(P2))が、プラスチック材料(2)によって特定の運搬位置(P1、P2)で生成された圧力を特徴づけることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
- 閾値Wpが超過される時に、制御装置(67)によって始動時間T0が定められることを特徴とする、請求項10に記載の方法。
- 閾値Wpが超過される時に、制御装置(67)によって時間T1が決定され、後の作動のために始動時間T0、時間間隔ΔTW、ΔTG、及び、ΔTSの群のうち、少なくともひとつの作動変数が、前記時間T1を用いて補正されることを特徴とする、請求項10又は11に記載の方法。
- − スクリュー式射出成形機(3)と、
− 前記スクリュー式射出成形機(3)を駆動するための電気駆動装置(18)と、
− 処理すべきプラスチック材料(2)を前記スクリュー式射出成形機(3)に送るための、計量装置(24)と、
− 前記スクリュー式射出成形機(3)の、プラスチック材料(2)の運搬方向(5)の下流に配置された、造粒水供給用の弁(44)を有する造粒装置(6)と、
− 制御装置(67)とを備えた、プラスチック材料粒状体を製造するための処理プラントにおいて、
前記制御装置(67)が、
− 前記駆動装置(18)によって前記スクリュー式射出成形機(3)が駆動可能であるように、
− 前記計量装置(24)が、処理すべきプラスチック材料(2)をスクリュー式射出成形機(3)へ供給するために作動可能であるように、
− 前記スクリュー式射出成形機(3)内におけるプラスチック材料(2)の少なくとも一つの運搬位置(P1、P2)が、処理プラント(1)用に決定された少なくとも一つの測定信号(p(P1)、p(P2);M、p(P2);PW、p(P2))を評価することによって決定可能であるように、及び、
− 造粒装置(6)が、前記決定された少なくとも一つの運搬位置(P1、P2)に応じて作動可能であり、造粒装置(6)を作動するために予め定められた処理を開始する始動時間T0が、前記制御装置(67)によって前記少なくとも一つの測定信号(p(P1);M;PW)を用いて決定可能であり、且つ、造粒水を供給する弁(44)が、前記始動時間T0から時間間隔ΔTWで作動可能であるように、
構成されることを特徴とする、処理プラント。 - 駆動装置(18)が、当該駆動装置(18)のトルクを特徴づける少なくとも一つの測定信号(M;PW)を決定するための、少なくとも一つの測定機構(69;68)を備えていることを特徴とする、請求項13に記載の処理プラント。
- プラスチック材料(2)によって特定の運搬位置(P1、P2)で生じた圧力を特徴づける少なくとも一つの測定信号(p(P1)、p(P2))を決定するために、少なくとも一つの圧力測定機構(71、72)が備えられることを特徴とする、請求項13又は14に記載の処理プラント。
- 造粒装置(6)が、霧状噴霧を生じるための噴霧機構(62)を備えることを特徴とする、請求項13〜15のいずれか一項に記載の処理プラント。
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