CN107738434A - 一种中空容器线上氟化工艺 - Google Patents

一种中空容器线上氟化工艺 Download PDF

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Publication number
CN107738434A
CN107738434A CN201710908684.9A CN201710908684A CN107738434A CN 107738434 A CN107738434 A CN 107738434A CN 201710908684 A CN201710908684 A CN 201710908684A CN 107738434 A CN107738434 A CN 107738434A
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hollow container
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flaorination process
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钱玉茂
陈金春
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JIANGSU JRB PACKAGING MATERIAL CO Ltd
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JIANGSU JRB PACKAGING MATERIAL CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/46Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12Chemical modification
    • C08J7/126Halogenation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/46Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
    • B29C2049/4602Blowing fluids
    • B29C2049/4611Blowing fluids containing a reactive gas
    • B29C2049/4617Fluor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

本发明公开了一种中空容器线上氟化工艺,包括有如下步骤:1)低浓度氟气混合气体制备;2)中空容器注吹氟化;3)渗透测试;本发明在中空容器注吹的过程中完成对容器表面的氟化处理,减少生产工序、缩短生产时间,用氟浓度低,降低制造成本和安全要求,生产步骤中进行HF监测报警,更安全,生产中进行含氟废气的回收,降低对环境的污染,设置传感器监测吹塑气压,并控制阀及时开关控制进、排气,保证生产质量。

Description

一种中空容器线上氟化工艺
技术领域
本发明涉及一种中空容器氟化工艺,具体涉及一种中空容器线上氟化工艺。
背景技术
一般注吹的中空容器(如瓶), 不具有阻隔性, 灌装有机溶剂, 一般很难阻隔溶剂的渗透。为了提高注吹的中空容器的防渗透的阻隔性, 国内外已有厂家使用氟化炉, 在中空容器已经制造出来后,再放入氟化炉, 进行后期表面再处理. 目前注吹中空容器后期表面氟化处理技术存在以下缺点:
1) 中空容器已经注吹出来了, 再进氟化炉表面处理, 多了一道工序, 增加了人工和制造成本。
氟化炉的用氟浓度达 20%, 制造成本高, 安全要求也高。
氟化炉对注吹容器的表面阻隔处理, 处理周期也长, 要大于2H。
发明内容
本发明目的是:提供一种中空容器线上氟化工艺。
本发明的技术方案是:一种中空容器线上氟化工艺,包括有如下步骤:
1)低浓度氟气混合气体制备;
2)中空容器注吹氟化;
3)渗透测试。
进一步的:所述步骤1)通过向高浓度氟气混合气体中加入由液氮气化的氮气制备低浓度氟气混合气体。
进一步的:所述液氮储存在液氮储罐中,且所述液氮储罐连接有气化稳压系统。
进一步的:所述步骤1)同时对含氟废气进行回收。
进一步的:所述含氟废气通过分气块分离。
进一步的:所述步骤1)通过光谱分析仪在线监测调配的氟气浓度。
进一步的:所述步骤1)设有HF报警器。
进一步的:所述步骤2)通过阀门控制。
进一步的:所述步骤2)通过传感器监测吹塑气压,且所述传感器控制所述阀门。
进一步的:所述传感器电还控制报警器,低浓度含氟气体不足时报警。
本发明的优点是:
1.本发明在中空容器注吹的过程中完成对容器表面的氟化处理,减少生产工序、缩短生产时间。
本发明用氟浓度低,降低制造成本和安全要求。
本发明生产步骤中进行HF监测报警,更安全。
本发明生产中进行含氟废气的回收,降低对环境的污染。
本发明中设置传感器监测吹塑气压,并控制阀及时开关控制进、排气,保证生产质量。
附图说明
下面结合附图及实施例对本发明作进一步描述:
图1为低浓度氟气制备示意图;
图2为中空容器吹塑氟化部分示意图;
其中:1.液氮储罐;2.气化稳压系统;3.氟气长管拖车;4.混合罐;5.光谱分析仪;6.缓冲罐;7.回收塔;8.压力传感器;9.分气块;10.低浓度氟气混合气体入口;11.氮气混合气体入口;12.氟气进气阀;13.氮气进气阀;14.排气阀;15.含氟废气排气阀;16.传感器;17.吹注模。
具体实施方式
实施例:结合图1、图2所示的一种中空容器线上氟化工艺,包括有如下步骤:
1)低浓度氟气混合气体制备;
2)中空容器注吹氟化;
3)渗透测试。
如图1所示,氟气长管拖车3中存储高浓度氟气混合气体,液氮罐1存储有液氮,液氮气化并经由气化稳压系统2传输至混合罐4内与高浓度氟气混合气体混合,该混合罐4连接有光谱分析仪5在线监测氟气浓度,制备好的低浓度氟气混合气传输至缓冲罐6中待用,含氟废气传输至回收塔7回收。
如图2所示,在吹塑工位,氟气进气阀12打开,低浓度氟气混合气体由缓冲罐6中进入吹注模17内,在对中空容器吹塑的同时完成对容器表面的氟化处理,且吹塑时传感器16监测吹注模17内气压,当吹注模17内气压不足时,传感器16所控制的报警器(图中未画出)报警。氟化处理结束后,氟气进气阀12关闭,含氟废气排气阀15打开排出含氟废气,然后打开氮气进气阀13,通入氮气继续吹塑,吹塑结束废气经由分气块9处理后,含氟废气经由含氟废气排气阀15排出,其他废气经由排气阀14排出。吹塑氟化完成后,中空容器进入烘房进行渗透测试。
当然上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明主要技术方案的精神实质所做的修饰,都应涵盖在本发明的保护范围之内。

Claims (10)

1.一种中空容器线上氟化工艺,其特征在于包括有如下步骤:
1)低浓度氟气混合气体制备;
2)中空容器注吹氟化;
3)渗透测试。
2.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤1)通过向高浓度氟气混合气体中加入由液氮气化的氮气制备低浓度氟气混合气体。
3.根据权利要求2所述的中空容器线上氟化工艺,其特征在于:所述液氮储存在液氮储罐中,且所述液氮储罐连接有气化稳压系统。
4.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤1)同时对含氟废气进行回收。
5.根据权利要求4所述的中空容器线上氟化工艺,其特征在于:所述含氟废气通过分气块分离。
6.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤1)通过光谱分析仪在线监测调配的氟气浓度。
7.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤1)设有HF报警器。
8.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤2)通过阀门控制。
9.根据权利要求1所述的中空容器线上氟化工艺,其特征在于:所述步骤2)通过传感器监测吹塑气压,且所述传感器控制所述阀门。
10.根据权利要求9所述的中空容器线上氟化工艺,其特征在于:所述传感器电还控制报警器,低浓度含氟气体不足时报警。
CN201710908684.9A 2017-09-29 2017-09-29 一种中空容器线上氟化工艺 Pending CN107738434A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115464857A (zh) * 2022-09-28 2022-12-13 江苏龙灯博士摩包装材料有限公司 一种吹塑氟化加工工艺及其加工设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830810A (en) * 1985-06-28 1989-05-16 Audi Ag. Method of blow molding and fluorinating plastic containers
US5213734A (en) * 1991-02-20 1993-05-25 Solvay S.A. Process for producing, by blow moulding, hollow bodies made of thermoplastic material having an improved impermeability to gases

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830810A (en) * 1985-06-28 1989-05-16 Audi Ag. Method of blow molding and fluorinating plastic containers
US5213734A (en) * 1991-02-20 1993-05-25 Solvay S.A. Process for producing, by blow moulding, hollow bodies made of thermoplastic material having an improved impermeability to gases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115464857A (zh) * 2022-09-28 2022-12-13 江苏龙灯博士摩包装材料有限公司 一种吹塑氟化加工工艺及其加工设备

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