JP7129971B2 - ヒマワリの種殻/種外皮材料に基づいてバイオプラスチック顆粒物を生産する方法 - Google Patents
ヒマワリの種殻/種外皮材料に基づいてバイオプラスチック顆粒物を生産する方法 Download PDFInfo
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- F26—DRYING
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- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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Description
その観点において本発明は、非常に低いレベルの残留水分を有しつつ生産されるバイオプラスチック顆粒物を利用可能にすることを目的とする。
本発明の第1の視点において、
ヒマワリの種殻ないし種外皮に基づいてバイオプラスチック顆粒物を生産する方法が提供される。該方法は、
挽いたヒマワリの種殻/種外皮材料を提供することを含み、ここで粒子サイズは3mm以下の範囲内であり、
プラスチック材料を提供することを含み、
ヒマワリの種殻/種外皮材料とプラスチック材料とを混合することを含み、ここで混合操作は、押し出し機の中で行われ、そして、混合された材料を冷却するために、押し出し機の最後において水の添加を含むツールを用いて混合された材料がペレット化され、ここで水は50℃を上回る温度であり、
ここで、混合操作の間に、混合中の材料が大気雰囲気での脱気及び/又は減圧雰囲気での脱気に供され、
混合された材料が冷却乾燥器すなわち螺旋状リフトコンベヤに供され、ここで前記雰囲気内での混合顆粒物の滞留時間が所定の期間に設定され、そして混合顆粒物が100℃を上回る温度で螺旋状リフトコンベヤに供され、かつプラスチック顆粒物が100℃未満の温度で螺旋状リフトコンベヤから離れ、そして
混合操作の前に、すなわちミル内での粉砕の間に、殻材料が第1の量を乾燥によって減量され、ここで第2の乾燥操作が混合操作の間に実行され、そして、
生産されるバイオプラスチック顆粒物が、1%を顕著に下回る残留含水量を有するように、第3の乾燥操作が冷却乾燥器の中で行われる。
なお、特許請求の範囲に付記した図面参照符号は専ら発明の理解を助けるためのものに過ぎず、本発明を図示の態様に限定することは意図していない。
(形態1)
ヒマワリの種殻ないし種外皮に基づいてバイオプラスチック顆粒物を生産する方法であって、
挽いたヒマワリの種殻/種外皮材料を提供することを含み、ここで粒子サイズは3mm以下の範囲内、好ましくは0.01~1mmの範囲内、好ましくは0.1~0.3mmの範囲内であり、
プラスチック材料を提供することを含み、
ヒマワリの種殻/種外皮材料とプラスチック材料とを混合することを含み、ここで混合操作は、好ましくは押し出し機の中で、好ましくはダブルスクリュ押し出し機の中で行われ、そして、混合された材料を冷却するために、押し出し機の最後において水の添加を含むツールを用いて混合された材料がペレット化され、ここで水は好ましくは50℃を上回る温度、好ましくは約80~90℃であり、
ここで、混合操作の間に、混合中の材料が大気雰囲気での脱気及び/又は減圧雰囲気での脱気に供され、
混合された材料が冷却乾燥器、好ましくは螺旋状リフトコンベヤに供され、ここで前記雰囲気内での混合顆粒物の滞留時間が所定の期間に設定され、そして混合顆粒物が100℃を上回る温度で、好ましくは約130℃で螺旋状リフトコンベヤに供され、かつプラスチック顆粒物が100℃未満の温度、好ましくは約50~70℃で螺旋状リフトコンベヤから離れ、そして
混合操作の前に、好ましくはミル内での粉砕の間に、殻材料が第1の量を乾燥によって減量され、ここで第2の乾燥操作が混合操作の間に、特に押し出し機の中での大気雰囲気及び/又は減圧雰囲気での脱気の間に実行され、そして、
生産されるバイオプラスチック顆粒物が、1%を顕著に下回る残留含水量、好ましくは0.1%未満、好ましくは約0.05%の残留含水量を有するように、第3の乾燥操作が螺旋状リフトコンベヤ、つまり冷却乾燥器の中で行われる、
方法。
(形態2)
螺旋状リフトコンベヤ内での前記顆粒物の滞留時間が好ましくは約4~8分間、特に好ましくは5~7分間である好ましくは形態1に記載の方法。
(形態3)
押し出し機から離れた後、かつ、水式ペレット化操作(Wasserabschlags)の後の混合された材料が乾燥器、例えば遠心分離ドライヤに供され、そして、水式ペレット化操作(Wasserabschlag)に起因して顆粒物に付着した水が除去され、ここで、混合物が約120~130℃の温度の範囲内であり、乾燥器の最後において約0.2%(±0.1%)の相対的含水量をなお有する混合物、つまりバイオプラスチック粒物が存在する、
好ましくは形態1又は2に記載の方法。
(形態4)
混合されている顆粒物の螺旋状リフトコンベヤへの搬送の前に、材料が分級スクリーンへ搬送される、好ましくは形態1~3のいずれか1に記載の方法。
(形態5)
押し出し機が複数のゾーンに区分されている、好ましくは形態1~4のいずれか1に記載の方法。
(形態6)
提供される既知の(konventionelle)プラスチック顆粒物が、ポリプロピレン、ポリエチレン、ABS又は他の公知のプラスチック材料であり、混合プロセスに供されるものが、好ましくは、顆粒状、凝集状又は同様の形状である、好ましくは形態1~5のいずれか1に記載の方法。
(形態1)
第1の視点に記載のとおり。
(形態2)
螺旋状リフトコンベヤ内での前記顆粒物の滞留時間が約4~8分間である好ましくは形態1に記載の方法。
(形態3)
押し出し機から離れた後、かつ、水式ペレット化操作(Wasserabschlags)の後の混合された材料が乾燥器に供され、そして、水式ペッレット化操作(Wasserabschlag)に起因して顆粒物に付着した水が除去され、ここで、混合物が約120~130℃の温度の範囲内であり、乾燥器の最後において0.2%(±0.1%)の相対的含水量をなお有する混合物、つまりバイオプラスチック顆粒物が存在する、
好ましくは形態1又は2に記載の方法。
(形態4)
混合されている顆粒物の螺旋状リフトコンベヤへの搬送の前に、材料が分級スクリーンへ搬送される、好ましくは形態1~3のいずれか1に記載の方法。
(形態5)
押し出し機が複数のゾーンに区分されている、好ましくは形態1~4のいずれか1に記載の方法。
(形態6)
提供される既知の(konventionelle)プラスチック顆粒物が、ポリプロピレン(PP)、ポリエチレン(PE)、ABS又は他の公知のプラスチック材料であり、混合プロセスに供されるものが顆粒状、凝集状又は同様の形状である、好ましくは形態1~5のいずれか1に記載の方法。
(形態7)
前記挽いたヒマワリの種殻/種外皮材料の粒子サイズは、0.01~1mmの範囲内、又は0.1~0.3mmの範囲内である、好ましくは形態1~6のいずれか1に記載の方法。
(形態8)
押し出し機の最後において添加される水の温度が約80~90℃である、好ましくは形態1~7のいずれか1に記載の方法。
(形態9)
前記混合された材料が螺旋状リフトコンベヤに約130℃で供される、好ましくは形態1~8のいずれか1に記載の方法。
(形態10)
プラスチック顆粒物が50~70℃で螺旋状リフトコンベヤから離れる、好ましくは形態1~9のいずれか1に記載の方法。
(形態11)
第2の乾燥操作が、押し出し機の中で大気雰囲気及び/又は減圧雰囲気での脱気の間に実行される、形態1~10のいずれか1に記載の方法。
(形態12)
生産されるバイオプラスチック顆粒物が、0.1%未満又は約0.05%の残留含水量を有するように、第3の乾燥操作が行われる、好ましくは形態1~11のいずれか1に記載の方法。
2 ミル
3 押し出し機
4 大気雰囲気での脱気
5 減圧雰囲気での脱気
6 水面下式顆粒化器
7 遠心分離ドライヤ(乾燥器)
8 分級スクリーン
9 螺旋状リフトコンベヤ(冷却乾燥器)
Claims (11)
- ヒマワリの種殻ないし種外皮に基づいてバイオプラスチック顆粒物を生産する方法であって、
第1の量を乾燥によって減量しつつ(第1の乾燥操作)、ミル内でヒマワリの種殻/種外皮材料を3mm以下の粒子サイズへ粉砕すること、
粉砕したヒマワリの種殻/種外皮材料とプラスチック材料とを混合すること、ここで混合操作は、押し出し機(3)の中で行われ、かつ混合操作の間に、混合中の材料を大気雰囲気での脱気(4)及び/又は減圧雰囲気での脱気(5)に供して第2の乾燥操作を実行し、
混合材料を押し出し機から押し出しつつ、水の添加を含むツールを用いてペレット化すること、ここで水は50℃を上回る温度であり、混合材料は顆粒物になり、
顆粒物を冷却乾燥器すなわち螺旋状リフトコンベヤ(9)に供して第3の乾燥操作を実行すること、ここで顆粒物は100℃を上回る温度から100℃未満の温度まで冷却され、かつ顆粒物は1%を下回る残留含水量を有するように乾燥される、
方法。 - 螺旋状リフトコンベヤ内での前記顆粒物の滞留時間が4~8分間である請求項1に記載の方法。
- 顆粒物を押し出し機(3)から離れた後に乾燥器(7)に供して、ペレット化に起因して顆粒物に付着した水を除去することをさらに含み、ここで、顆粒物は120~130℃の温度の範囲内であり、乾燥器(7)の最後において顆粒物は0.2%(±0.1%)の相対的含水量をなお有する、
請求項1又は2に記載の方法。 - 螺旋状リフトコンベヤへの搬送の前に、顆粒物が分級スクリーン(8)へ搬送される、請求項1~3のいずれか1項に記載の方法。
- 押し出し機(3)が複数のゾーンに区分されている、請求項1~4のいずれか1項に記載の方法。
- プラスチック材料が、顆粒状、凝集状の形状のポリプロピレン(PP)、ポリエチレン(PE)又はABSである、請求項1~5のいずれか1項に記載の方法。
- 粉砕したヒマワリの種殻/種外皮材料の粒子サイズは、0.01~1mmの範囲内、又は0.1~0.3mmの範囲内である、請求項1~6のいずれか1項に記載の方法。
- ペレット化の際に添加される水の温度が80~90℃である、請求項1~7のいずれか1項に記載の方法。
- 前記顆粒物が螺旋状リフトコンベヤに130℃で供される、請求項1~8のいずれか1項に記載の方法。
- 前記顆粒物が50~70℃で螺旋状リフトコンベヤから離れる、請求項1~9のいずれか1項に記載の方法。
- 顆粒物が、0.1%未満又は0.05%の残留含水量を有するように、第3の乾燥操作が行われる、請求項1~10のいずれか1項に記載の方法。
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PCT/EP2017/073029 WO2018050698A1 (de) | 2016-09-13 | 2017-09-13 | Verfahren zur herstellung eines biokunststoffgranulats auf basis von sonnenblumenkernschalen/ sonnenblumenkernhülsenmaterial |
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CN111645218B (zh) * | 2020-05-25 | 2021-12-03 | 扬州中欣高分子材料有限公司 | 一种具有防粘壁功能的高分子粒子水冷装置 |
CN113203253A (zh) * | 2021-05-28 | 2021-08-03 | 洛阳蓝斯利科技有限公司 | 一种甘草提取物加热烘干挤压设备 |
CN113665023A (zh) * | 2021-08-23 | 2021-11-19 | 孙英豪 | 一种再生塑料颗粒加工设备 |
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