WO2021143099A1 - 一种预型件消毒方法及制瓶设备 - Google Patents

一种预型件消毒方法及制瓶设备 Download PDF

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Publication number
WO2021143099A1
WO2021143099A1 PCT/CN2020/105739 CN2020105739W WO2021143099A1 WO 2021143099 A1 WO2021143099 A1 WO 2021143099A1 CN 2020105739 W CN2020105739 W CN 2020105739W WO 2021143099 A1 WO2021143099 A1 WO 2021143099A1
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WIPO (PCT)
Prior art keywords
preform
temperature
disinfectant
mist
equal
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Ceased
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PCT/CN2020/105739
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English (en)
French (fr)
Inventor
叶鹏
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Jiangsu Newamstar Packagin Machinery Co Ltd
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Jiangsu Newamstar Packagin Machinery Co Ltd
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Priority to EP20913539.1A priority Critical patent/EP4091794B1/en
Publication of WO2021143099A1 publication Critical patent/WO2021143099A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/42414—Treatment of preforms, e.g. cleaning or spraying water for improved heat transfer
    • B29C49/42416—Purging or cleaning the preforms
    • B29C49/42418—Purging or cleaning the preforms for sterilizing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/04—Heat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes or aerosols
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4252—Auxiliary operations prior to the blow-moulding operation not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2103/00—Materials or objects being the target of disinfection or sterilisation
    • A61L2103/23—Containers other than laboratory or medical, e.g. bottles or mail
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6418—Heating of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the invention relates to the technical field of bottle blowing machines, in particular to a preform disinfection method and bottle making equipment.
  • the first object of the present invention is to provide a preform disinfection method. After the disinfectant is ultrasonically atomized, it is directly sprayed to make it uniformly adhere to the surface of the preform without heating the disinfectant to the steam temperature, and the energy consumption is relatively low. It is low, and at the same time, it avoids the loss caused by turning the disinfectant into disinfectant vapor.
  • a preform sterilization method the preform is used to be sterilized and molded in an equipment for producing sterile bottles, and the sterilization method includes at least the following steps:
  • the disinfectant is made into a disinfectant mist by an ultrasonic atomizer, and the disinfectant mist is sprayed to the preform, and a layer is basically uniformly attached to at least the inner surface of the preform to be disinfected A thin layer of disinfectant solution to at least disinfect the inner surface of the preform.
  • the disinfection method further includes the following disinfection steps:
  • step (2) Perform radiation heating on the preform processed in step (1), so that at least the inner surface of the preform is raised to a first temperature, and the first temperature is greater than or equal to the activation of the disinfectant Temperature to further sterilize at least the inner surface of the preform.
  • the disinfection method further includes an auxiliary disinfection step:
  • step (2) spray the disinfectant mist to the preform heated to the first temperature again.
  • step (1) the disinfectant or the disinfectant mist is heated first so that the disinfectant mist rises to a second temperature, where the second temperature is greater than the temperature of the preform and When the temperature is lower than the first temperature, the disinfectant mist raised to the second temperature is sprayed onto the preform.
  • the first temperature is less than or equal to the blowing temperature of the preform and greater than or equal to the evaporation temperature of the disinfectant, so that the disinfectant evaporates from the preform.
  • a preform sterilization method the preform is used to be sterilized and molded in an equipment for producing sterile bottles, and the sterilization method includes at least the following steps:
  • the disinfectant is made into a disinfectant mist by an ultrasonic atomizer, and the disinfectant mist is sprayed on at least the inner surface of the preform that is raised to the first temperature to at least affect the preform
  • the inner surface of the molded part is disinfected.
  • the first temperature is less than or equal to the blowing temperature of the preform and greater than or equal to the evaporation temperature of the disinfectant mist, so that the disinfectant evaporates from the preform.
  • the second object of the present invention is to provide a bottle-making equipment, which adopts the above-mentioned preform disinfection method, after ultrasonically atomizing the disinfectant, directly sprays it to uniformly adhere to the surface of the preform without heating the disinfectant to steam
  • the temperature and energy consumption are relatively low, and at the same time, the loss caused by the disinfection liquid being made into the disinfection liquid vapor is avoided.
  • a bottle making equipment for producing aseptic bottles from plastic preforms the preforms are continuously conveyed to the bottle making equipment, the bottle making equipment includes conveying along the preforms In order of direction:
  • Spraying unit includes a sprayer for spraying a disinfectant to at least the inner surface of the preform;
  • Heating unit includes a heating furnace for radiant heating the preform to a first temperature, the first temperature being less than or equal to the blow molding temperature of the preform;
  • Forming unit the forming unit is used to blow the preform to make a sterile bottle;
  • the spray unit further includes an ultrasonic atomizer for making the disinfectant into a disinfectant mist, and the sprayer is used to spray the disinfectant mist to the preform so as to spray the disinfectant on the preform to be disinfected. At least a thin layer of disinfectant is attached to the inner surface;
  • the first temperature is greater than or equal to the activation temperature of the disinfectant mist; the heating unit is used to heat the preform after being sprayed by the spray unit, so as to perform at least on the inner surface of the preform disinfect;
  • the forming unit is used for blow molding the preform having the blowing temperature heated by the heating unit to prepare a sterile bottle.
  • the first temperature is greater than or equal to the evaporation temperature of the disinfectant mist; the heating unit is used to heat the preform after being sprayed by the spraying unit, so that the disinfectant is discharged from the Evaporation on the preform.
  • the spraying unit further includes a heater for heating the disinfectant or the disinfectant mist so that the disinfectant mist rises to a second temperature, the second temperature being greater than that of the preform Temperature and less than the first temperature, the sprayer is used to spray the disinfectant mist with the second temperature to the preform, and attach a spray to at least the inner surface of the preform to be disinfected A thin layer of disinfectant with a substantially uniform layer.
  • the disinfectant is a solution containing hydrogen peroxide, which is used to be activated after the preform is heated to a temperature exceeding the activation temperature.
  • the present invention has the following advantages compared with the prior art: a preform disinfection method and bottle making equipment of the present invention, after ultrasonically atomizing disinfectant liquid, it is directly sprayed to make it evenly attached to the preform
  • the surface of the molded part does not need to heat the disinfectant to the steam temperature, and the energy consumption is relatively low. At the same time, it also avoids the loss caused by turning the disinfectant into disinfectant steam.
  • This method can not only avoid the problem of insufficient gasification that affects the bottle forming quality due to excessive accumulation of disinfectant on the surface of the preform, but also saves the consumption of disinfectant to a large extent and saves costs.
  • Figure 1 is a schematic diagram of the first embodiment of the device structure for preparing aseptic bottles by applying the method of the present invention
  • Figure 2 is a schematic diagram of the second embodiment of the device structure for preparing aseptic bottles by applying the method of the present invention
  • Figure 3 is a schematic diagram of a second embodiment of the equipment structure for preparing aseptic bottles by applying the method of the present invention
  • Fig. 4 is a schematic diagram of the second embodiment of the equipment structure for preparing aseptic bottles by applying the method of the present invention
  • Fig. 5 is a schematic diagram of the structure of the spray unit.
  • the above-mentioned bottle making equipment is used to produce aseptic bottles 5 through plastic preforms 1.
  • the preforms 1 are continuously conveyed to the bottle making equipment.
  • the bottle making equipment includes preforms.
  • the preform 1 is tubular as a whole, one end of the tubular preform 1 is closed, and the other end is the same shape as the neck of the bottle 5 after forming. Since the bottle making equipment is used to prepare aseptic bottles 5, the preform 1 needs to be sterilized and then blown, so that the preform 1 has a certain degree of sterility.
  • the sterilization step is used to sterilize at least the inner surface of the preform 1 (the inner surface includes the inner wall and the inner side of the neck).
  • the spraying unit 2 includes an ultrasonic atomizer 6 for ultrasonically oscillating and atomizing the disinfectant to form a disinfectant mist, and at least one for spraying the disinfectant mist to evenly adhere to the preform 1.
  • the ejector 7 on the inner surface and the outlet of the ultrasonic atomizer 6 communicate with the inlet of the ejector 7.
  • the ultrasonic atomizer 6 uses the principle of ultrasonic oscillating atomization to generate disinfectant mist, and sprays it into the preform 1 through the ejector 7 to cover at least the inner surface of the preform 1 so as to be on the preform 1 to be disinfected. At least the inner surface is attached with a substantially uniform thin layer of disinfectant.
  • the disinfectant is a solution containing hydrogen peroxide, which is used to be activated after the preform 1 is heated to a temperature exceeding the activation temperature.
  • the disinfectant is activated after reaching or exceeding the activation temperature, and has the best disinfection effect.
  • the hydrogen peroxide is activated after reaching or exceeding the activation temperature, and rapidly decomposes to generate new oxygen, which destroys the protein on the surface of the microorganisms through oxidation, thereby killing the microorganisms.
  • the spray unit 2 further includes a heater (not shown in the figure) for heating the disinfectant or disinfectant mist to raise the disinfectant mist to a second temperature, which is slightly higher than the preform. 1 temperature.
  • the heater can be used to heat the disinfectant to the second temperature first, and then pass the disinfectant with the second temperature into the ultrasonic atomizer 6 to prepare the disinfectant mist with the second temperature; the heater can also The disinfectant mist produced by the ultrasonic atomizer 6 is directly heated to make it have the second temperature.
  • the sprayer 7 is used to spray the disinfectant mist with the second temperature to make it evenly adhere to at least the inner surface of the preform 1, so as to attach a substantially uniform layer on at least the inner surface of the preform 1 to be disinfected. A thin layer of disinfectant. Through this setting, a temperature difference is generated between the disinfectant mist and the preform 1, and the adhesion effect of the disinfectant mist is improved.
  • the heater is only used to raise the disinfectant mist to a second temperature greater than the temperature of the preform 1, and the energy consumption is relatively low. The second temperature is much lower than the first temperature.
  • the heating unit 3 includes a heating furnace for radiantly heating the preform 1 to a first temperature, which is less than or equal to the blow molding temperature of the preform 1.
  • the first temperature is equal to the blow molding temperature.
  • the first temperature is greater than or equal to the activation temperature of the disinfectant mist.
  • the first temperature is greater than or equal to the evaporation temperature of the disinfectant mist.
  • the molding unit 4 includes a blow molding station for blowing the preform 1 to produce a bottle 5, and the blow molding station is used for blow molding the preform 1 in a mold cavity.
  • the blow molding station should include a cavity for loading the preform 1, which is used to blow sterile compressed gas into the preform 1 so that the inside of the preform 1 is compressed and expanded to the shape of the cavity, so as to make the preform 1 Bacteria bottle 5.
  • the bottle making equipment also includes a first conveying mechanism 8 for conveying the preform 1 It passes through the injection unit 2, the heating unit 3, and the forming unit 4 in sequence.
  • the first conveying mechanism 8 may be composed of a plurality of conveying star wheels.
  • the first conveying mechanism 8 sends the preform 1 with a thin layer of disinfectant on at least the inner surface substantially uniformly attached to the heating unit 3.
  • the heating unit 3 raises the preform 1 to the first temperature, and the disinfectant is used for At least the inner surface of the preform 1 is sterilized and the residual disinfectant is evaporated.
  • the first conveying mechanism 8 then sends the sterilized preform 1 with the first temperature to the molding unit 4 for blow molding.
  • the blow molding temperature, the evaporation temperature and the activation temperature are relatively close, when the preform 1 is conveyed in the heating furnace, the activation and evaporation of the disinfectant solution are gradually realized in the process that the temperature gradually rises to the first temperature.
  • the bottle making equipment also includes a second conveying mechanism 9 for conveying the preform 1 It passes through the heating unit 3, the spraying unit 2, and the forming unit 4 in sequence.
  • the second conveying mechanism 9 may be composed of a plurality of conveying star wheels.
  • the second conveying mechanism 9 sends the preform 1 raised to the first temperature into the spraying unit 2, and sprays the disinfectant mist to the preform 1 through the spraying unit 2, and the disinfectant disinfects at least the inner surface of the preform 1 Sterilize and evaporate the remaining disinfectant, and the second conveying mechanism 9 sends the sterilized preform 1 to the molding unit 4 for blow molding.
  • the first temperature is less than or equal to the blow molding temperature. Since the blow molding temperature is the high elastic temperature of the preform 1, the preform 1 will not deform at the high elastic temperature, and heating the preform 1 first will not affect the disinfectant The disinfection effect of the mist. When the preform 1 passes through the injection unit 2 and the temperature drops below the blow molding temperature, the preform 1 is heated again to bring the temperature to the blow molding temperature, and then the preform 1 is sent to the molding unit 4 .
  • the sterilization method for sterilizing the plastic preform 1 used for molding in the equipment for producing the sterile bottle 5 includes at least the following steps:
  • the disinfectant is made into disinfectant mist by the ultrasonic atomizer 6, and the disinfectant mist is sprayed to the preform 1 to attach a substantially uniform disinfection layer on at least the inner surface of the preform 1 to be disinfected.
  • a thin layer of liquid; according to needs, a thin layer of disinfectant can also be attached to the outer surface of the preform 1 at the same time;
  • the disinfection method also includes auxiliary disinfection steps:
  • step (2) spray a disinfectant mist to the preform 1 heated to the first temperature to further disinfect the preform 1.
  • the first temperature is equal to the blowing temperature of the preform 1 and greater than or equal to the evaporation temperature of the disinfectant, so that the disinfectant evaporates from the preform 1; meanwhile, the preform with the first temperature Piece 1 reaches the blow molding condition.
  • a disinfectant mist can also be sprayed to the outer surface of the preform 1 at the same time, so as to disinfect and sterilize the inner and outer surfaces of the preform 1 at the same time.
  • step (1) the disinfectant or disinfectant mist can be heated first so that the disinfectant mist rises to a second temperature, which is greater than that of the preform 1. Then, spray the disinfectant mist raised to the second temperature to at least the inner surface of the preform 1.
  • the temperature difference between the disinfectant mist and the preform 1 is used to improve the adhesion effect of the disinfectant mist.
  • the preform 1 After the preform 1 is sterilized, it is sent to the molding unit 4, and the preform 1 is blown into a mold cavity through a blow molding station.
  • the first temperature is less than or equal to the blow molding temperature of the preform 1.
  • the temperature of the preform 1 is lower than the blow molding temperature, it is only necessary to reheat the preform 1 to raise it to the blow molding temperature.

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  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Manufacturing & Machinery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

一种预型件(1)消毒方法及制瓶设备，在生产无菌瓶子(5)的设备中对用于进行模制的塑料预型件(1)进行消毒的消毒方法，包括至少以下步骤：通过超声雾化器(6)将消毒液制成消毒液雾，并向预型件(1)喷射消毒液雾，在待消毒的预型件(1)的至少内表面上附着一层基本均匀的消毒液薄层，以至少对预型件(1)的内表面进行消毒。该预型件(1)消毒方法及制瓶设备，将消毒液超声雾化后，直接喷射使其均匀的附着在预型件(1)表面，无需加热消毒液至蒸汽温度，能耗相对较低，同时也避免了将消毒液制成消毒液蒸汽造成的损耗。

Description

一种预型件消毒方法及制瓶设备 技术领域
本发明涉及吹瓶机技术领域，特别涉及一种预型件消毒方法及制瓶设备。
背景技术
随着饮料行业对食品安全的要求越来越高，饮料包装过程中对其污染也越来越重视。尤其是乳品饮料，包装器皿对其污染会直接影响产品的品质。目前，行业中多采用消毒液对器皿消毒，然后再清洗，但存在消毒液及无菌水的消耗很大，甚至还有残留的问题，容易造成二次污染。
目前有通过对预型件喷射消毒液后，再加热杀菌，最后吹制瓶子的方法和装置。这种装置中，是通过喷射高温的消毒剂蒸汽使其冷凝在预型件表面的。采用这种方法，不仅需要保持预型件具有较低的初始温度(低于消毒剂蒸汽的冷凝温度)，还需要预先加热液态消毒剂以制得消毒剂蒸汽，能耗较大，设备的制备成本相对较高；同时，由于消毒剂蒸汽的温度较高，导致消毒剂在蒸汽状态下部分分解，影响其消毒效果。
发明内容
本发明的第一个目的是提供一种预型件消毒方法，将消毒液超声雾化后，直接喷射使其均匀的附着在预型件表面，无需加热消毒液至蒸汽温度，能耗相对较低，同时也避免了将消毒液制成消毒液蒸汽造成的损耗。
为达到上述目的，本发明采用的技术方案是：
一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，所述消毒方法包括至少以下步骤：
(1)通过超声雾化器将消毒液制成消毒液雾，并向所述预型件喷射所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层，以至少对所述预型件的内表面进行消毒。
优选地，所述消毒方法还包括以下消毒步骤：
(2)对步骤(1)处理过的所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于所述消毒液的活化温度，以至少对所述预型件的内表面进一步消毒。
更优选地，所述消毒方法还包括辅助消毒步骤：
(3)在步骤(2)之后，向加热至所述第一温度的所述预型件再次喷射所述消毒液雾。
更优选地，在步骤(1)中，先加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度，所述第二温度大于所述预型件的温度且小于所述第一温度，再向所述预型件喷射升至所述第二温度的所述消毒液雾。
更优选地，所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述消毒液的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，所述消毒方法包括至少以下步骤：
(1)对所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于消毒液的活化温度；
(2)通过超声雾化器将所述消毒液制成消毒液雾，向升至所述第一温度的所述预型件的至少内表面喷射所述消毒液雾，以至少对所述预型件的内表面进行消毒。
优选地，所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述消毒液雾的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
本发明的第二个目的是提供一种制瓶设备，采用上述预型件消毒方法，将消毒液超声雾化后，直接喷射使其均匀的附着在预型件表面，无需加热消毒液至蒸汽温度，能耗相对较低，同时也避免了将消毒液制成消毒液蒸汽造成的损耗。
为达到上述目的，本发明采用的技术方案是：
一种制瓶设备，用于通过塑料的预型件生产无菌瓶子，所述预型件被连续地输送至所述制瓶设备中，所述制瓶设备包括沿所述预型件的输送方向依次排列的：
喷射单元；所述喷射单元包括用于向所述预型件的至少内表面喷射消毒介质的喷射器；
加热单元；所述加热单元包括用于辐射加热所述预型件至第一温度的加热炉，所述第一温度小于或等于所述预型件的吹塑温度；
成型单元；所述成型单元用于吹塑所述预型件以制得无菌瓶子；
所述喷射单元还包括用于将消毒液制成消毒液雾的超声雾化器，所述喷射器用于向所述预型件喷射所述消毒液雾以在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层；
所述第一温度大于或等于所述消毒液雾的活化温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以至少对所述预型件的内表面进行消毒；
所述成型单元用于吹塑经过所述加热单元加热后的具有所述吹塑温度的所述预型件，以制得无菌瓶子。
优选地，所述第一温度大于或等于所述消毒液雾的蒸发温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以使得所述消毒液从所述预型件上蒸发。
优选地，所述喷射单元还包括用于加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度的加热器，所述第二温度大于所述预型件的温度且小于所述第一温度，所述喷射器用于向所述预型件 喷射具有所述第二温度的所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层。
优选地，所述消毒液为含有双氧水的溶液，用于在所述预型件被加热至超过活化温度后被活化。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：本发明一种预型件消毒方法及制瓶设备，将消毒液超声雾化后，直接喷射使其均匀的附着在预型件表面，无需加热消毒液至蒸汽温度，能耗相对较低，同时也避免了将消毒液制成消毒液蒸汽造成的损耗。该方法不仅可以避免由于消毒液过量堆积在预型件表面，造成气化不充分影响瓶子成型质量的问题，还能够在很大程度上节省消毒液的耗量，节约成本。
附图说明
附图1为应用本发明方法制备无菌瓶子的第一实施例设备结构示意图一；
附图2为应用本发明方法制备无菌瓶子的第一实施例设备结构示意图二；
附图3为应用本发明方法制备无菌瓶子的第二实施例设备结构示意图一；
附图4为应用本发明方法制备无菌瓶子的第二实施例设备结构示意图二；
附图5为喷射单元的结构示意图。
其中：1、预型件；2、喷射单元；3、加热单元；4、成型单元；5、瓶子；6、超声雾化器；7、喷射器；8、第一传送机构；9、第二传送机构。
具体实施方式
下面结合附图来对本发明的技术方案作进一步的阐述。
参见图1-5所示，上述一种制瓶设备，用于通过塑料预型件1生产无菌瓶子5，预型件1被连续地输送至制瓶设备中，该制瓶设备包括预型件1被传送经过的喷射单元2、加热单元3和成型单元4。
预型件1整体呈管状，管状预型件1的一端封闭，另一端与成型后瓶子5的颈部形状相同。由于该制瓶设备用于制备无菌瓶子5，因此，需要对预型件1进行消毒杀菌后再进行吹制，即使得该预型件1具有一定的无菌度。该消毒杀菌步骤用于至少对预型件1的内表面(内表面包括内壁和颈部内侧)进行消毒杀菌。
参见图5所示，喷射单元2包括用于对消毒液进行超声波震荡雾化以形成消毒液雾的超声雾化器6、用于喷射消毒液雾使其均匀的附着在预型件1的至少内表面上的喷射器7，超声雾化器6的出口与喷射器7的入口连通。超声雾化器6利用超声波震荡雾化原理产生消毒液雾，并通过喷射器7喷射到预型件1中，以覆盖预型件1的至少内表面，以在待消毒的预型件1的至少内表面上附着一层基本均匀的消毒液薄层，在本实施例中，消毒液为含有双氧水的溶液，用于在预型件1被加热至超过活化温度后被活化。消毒液达到或超过活化温度后被活化，具有最佳的消毒效果。具体的，双氧水在达到或超过活化温度后被活化，并迅速分解产生新生氧,通过氧化作用破坏微生物表面的蛋白质,从而杀灭微生物。
在本实施例中，喷射单元2还包括用于加热消毒液或消毒液雾以使得消毒液雾升至第二温度的加热器(图中未示出)，第二温度稍高于预型件1的温度。该加热器可以先用于加热消毒液至第二温度，接着通过将具有第二温度的消毒液通入超声雾化器6后以制得具有第二温度的消毒液雾；该加热器也可以直接加热超声雾化器6制得的消毒液雾，使其具有第二温度。
喷射器7用于喷射具有第二温度的消毒液雾使其均匀的附着在预型件1的至少内表面上，以在待消毒的预型件1的至少内表面上附着一层基本均匀的消毒液薄层。通过这个设置，使消毒液雾和预型件1之间产生温度差，提高了消毒液雾的附着效果。加热器仅仅用于将 消毒液雾升至大于预型件1温度的第二温度，能耗相对较低。第二温度远低于第一温度。
加热单元3包括用于辐射加热预型件1至第一温度的加热炉，第一温度小于或等于预型件1的吹塑温度。在本实施例中，第一温度等于吹塑温度。通过这个设置，具有第一温度的预型件1达到吹塑温度(即高弹态温度)，能够直接在成型单元4中被吹塑成形，无需在吹塑前对预型件1再次进行加热。
第一温度大于或等于消毒液雾的活化温度。通过这个设置，当预型件1进入加热单元3中并升至第一温度后，消毒液雾被活化，以对预型件1的至少内表面进行消毒杀菌。
第一温度大于或等于消毒液雾的蒸发温度。通过这个设置，当预型件1进入加热单元3中并升至第一温度后，消毒液雾能够从预型件1的表面蒸发，避免了消毒液雾残留在预型件1表面，影响瓶子5的成型质量。
成型单元4包括用于吹塑预型件1以制得瓶子5的吹塑站，吹塑站用于将预型件1在模腔内吹制成型。吹塑站应包括用于装载预型件1的模腔，用于向预型件1中吹入无菌压缩气体以使得预型件1内部受压膨胀至模腔的形状，以制得无菌瓶子5。
参见图1-2所示，为应用本发明方法制备无菌瓶子的第一实施例设备结构示意图，该制瓶设备还包括第一传送机构8，第一传送机构8用于传送预型件1使其依次经过喷射单元2、加热单元3、成型单元4。第一传送机构8可以由多个传送星轮组成。第一传送机构8将至少内表面基本均匀的附着一层消毒液薄层的预型件1送入加热单元3中，加热单元3将预型件1升至第一温度，消毒液用于对预型件1的至少内表面进行消毒杀菌，并蒸发残留的消毒液，第一传送机构8再将杀菌后的具有第一温度的预型件1送入成型单元4中吹塑成形。
由于吹塑温度、蒸发温度和活化温度较为接近，预型件1在加热炉中传送时，在温度逐渐升至第一温度的过程中，逐渐实现消毒液的活化和蒸发。
参见图3-4所示，为应用本发明方法制备无菌瓶子的第二实施例设备结构示意图，该制瓶设备还包括第二传送机构9，第二传送机构9用于传送预型件1使其依次经过加热单元3、喷射单元2、成型单元4。第二传送机构9可以由多个传送星轮组成。第二传送机构9将升至第一温度的预型件1送入喷射单元2中，通过喷射单元2向预型件1喷射消毒液雾，消毒液对预型件1的至少内表面进行消毒杀菌，并蒸发残留的消毒液，第二传送机构9再将杀菌后的预型件1送入成型单元4中吹塑成形。第一温度小于或等于吹塑温度，由于吹塑温度为预型件1的高弹态温度，预型件1在高弹态温度下不会变形，先加热预型件1不会影响消毒液雾的消毒效果。当预型件1通过喷射单元2后，温度下降至吹塑温度以下时，再次对预型件1进行加热，使其温度达到吹塑温度后，再将预型件1送入成型单元4中。
以下具体阐述下本实施例的工作过程：
在生产无菌瓶子5的设备中对用于进行模制的塑料预型件1进行消毒的消毒方法，包括至少以下步骤：
(1)通过超声雾化器6将消毒液制成消毒液雾，向预型件1喷射该消毒液雾，以在待消毒的预型件1的至少内表面上附着一层基本均匀的消毒液薄层；根据需要，消毒液薄层也可以同时附着在预型件1的外表面上；
(2)对如此处理过的预型件1进行辐射加热，使预型件1的至少内表面升至第一温度，第一温度大于或等于消毒液的活化温度，以至少对预型件1的内表面进行消毒，当预型件1的外表面也附着一层消毒液薄层时，通过辐射加热能够同时对预型件1的外表面进行消毒。
该消毒方法还包括辅助消毒步骤：
(3)在步骤(2)之后，向加热至第一温度的预型件1喷射消毒液雾，以进一步对预型件1消毒。
在本实施例中，第一温度等于预型件1的吹塑温度，且大于或等于消毒液的蒸发温度，以使得消毒液从预型件1上蒸发；同时，具有 第一温度的预型件1达到吹塑条件。
也可以先对预型件1进行辐射加热，使预型件1的至少内表面升至第一温度，再向预型件1喷射超声波震荡雾化形成的消毒液雾，使其至少对预型件1的内表面进行消毒杀菌。根据需要，还可以同时向预型件1的外表面喷射消毒液雾，以便对预型件1的内表面和外表面同时进行消毒杀菌。
当依次进行步骤(1)和步骤(2)时，在步骤(1)中，可以先加热消毒液或消毒液雾以使得消毒液雾升至第二温度，第二温度大于预型件1的温度，再向预型件1的至少内表面喷射升至第二温度的消毒液雾。利用消毒液雾和预型件1之间产生的温度差，提高消毒液雾的附着效果。
当预型件1消毒完成后，将其送入成型单元4中，通过吹塑站将预型件1在模腔内吹制成型。
在上述方法中，当只需对预型件1进行消毒时，第一温度小于或等于预型件1的吹塑温度。当需要吹塑且预型件1的温度小于吹塑温度时，只需再次加热预型件1使其升至吹塑温度即可。
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士能够了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围内。

Claims (14)

  1. 一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，其特征在于：所述消毒方法包括至少以下步骤：
    (1)通过超声雾化器将消毒液制成消毒液雾，并向所述预型件喷射所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层，以至少对所述预型件的内表面进行消毒；
    所述消毒方法还包括以下消毒步骤：
    (2)对步骤(1)处理过的所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于所述消毒液的活化温度，以至少对所述预型件的内表面进一步消毒；
    所述消毒方法还包括辅助消毒步骤：
    (3)在步骤(2)之后，向加热至所述第一温度的所述预型件再次喷射所述消毒液雾；
    在步骤(1)中，先加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度，所述第二温度大于所述预型件的温度且小于所述第一温度，再向所述预型件喷射升至所述第二温度的所述消毒液雾；
    所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述消毒液的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
  2. 一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，其特征在于：所述消毒方法包括至少以下步骤：
    (1)对所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于消毒液的活化温度；
    (2)通过超声雾化器将所述消毒液制成消毒液雾，向升至所述第一温度的所述预型件的至少内表面喷射所述消毒液雾，以至少对所述预型件的内表面进行消毒；
    所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述消毒液雾的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
  3. 一种制瓶设备，用于通过塑料的预型件生产无菌瓶子，所述预型件被连续地输送至所述制瓶设备中，所述制瓶设备包括沿所述预型件的输送方向依次排列的：
    喷射单元；所述喷射单元包括用于向所述预型件的至少内表面喷射消毒介质的喷射器；
    加热单元；所述加热单元包括用于辐射加热所述预型件至第一温度的加热炉，所述第一温度小于或等于所述预型件的吹塑温度；
    成型单元；所述成型单元用于吹塑所述预型件以制得无菌瓶子；
    其特征在于：所述喷射单元还包括用于将消毒液制成消毒液雾的超声雾化器，所述喷射器用于向所述预型件喷射所述消毒液雾以在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层；
    所述第一温度大于或等于所述消毒液雾的活化温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以至少对所述预型件的内表面进行消毒；
    所述成型单元用于吹塑经过所述加热单元加热后的具有所述吹塑温度的所述预型件，以制得无菌瓶子；
    所述第一温度大于或等于所述消毒液雾的蒸发温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以使得所述消毒液从所述预型件上蒸发；
    所述喷射单元还包括用于加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度的加热器，所述第二温度大于所述预型件的温度且小于所述第一温度，所述喷射器用于向所述预型件喷射具有所述第二温度的所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层；
    所述消毒液为含有双氧水的溶液，用于在所述预型件被加热至超过活化温度后被活化。
  4. 一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，其特征在于：所述消毒方法包括至少以下步骤：
    (1)通过超声雾化器将消毒液制成消毒液雾，并向所述预型件喷射所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层，以至少对所述预型件的内表面进行消毒。
  5. 根据权利要求4所述的一种预型件消毒方法，其特征在于：所述消毒方法还包括以下消毒步骤：
    (2)对步骤(1)处理过的所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于所述消毒液的活化温度，以至少对所述预型件的内表面进一步消毒。
  6. 根据权利要求5所述的一种预型件消毒方法，其特征在于：所述消毒方法还包括辅助消毒步骤：
    (3)在步骤(2)之后，向加热至所述第一温度的所述预型件再次喷射所述消毒液雾。
  7. 根据权利要求5所述的一种预型件消毒方法，其特征在于：在步骤(1)中，先加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度，所述第二温度大于所述预型件的温度且小于所述第一温度，再向所述预型件喷射升至所述第二温度的所述消毒液雾。
  8. 根据权利要求5所述的一种预型件消毒方法，其特征在于：所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述消毒液的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
  9. 一种预型件消毒方法，所述预型件用于在生产无菌瓶子的设备中被消毒及模制，其特征在于：所述消毒方法包括至少以下步骤：
    (1)对所述预型件进行辐射加热，使所述预型件的至少内表面升至第一温度，所述第一温度大于或等于消毒液的活化温度；
    (2)通过超声雾化器将所述消毒液制成消毒液雾，向升至所述第一温度的所述预型件的至少内表面喷射所述消毒液雾，以至少对所述预型件的内表面进行消毒。
  10. 根据权利要求9所述的一种预型件消毒方法，其特征在于：所述第一温度小于或等于所述预型件的吹塑温度，且大于或等于所述 消毒液雾的蒸发温度，以使得所述消毒液从所述预型件上蒸发。
  11. 一种制瓶设备，用于通过塑料的预型件生产无菌瓶子，所述预型件被连续地输送至所述制瓶设备中，所述制瓶设备包括沿所述预型件的输送方向依次排列的：
    喷射单元；所述喷射单元包括用于向所述预型件的至少内表面喷射消毒介质的喷射器；
    加热单元；所述加热单元包括用于辐射加热所述预型件至第一温度的加热炉，所述第一温度小于或等于所述预型件的吹塑温度；
    成型单元；所述成型单元用于吹塑所述预型件以制得无菌瓶子；
    其特征在于：所述喷射单元还包括用于将消毒液制成消毒液雾的超声雾化器，所述喷射器用于向所述预型件喷射所述消毒液雾以在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层；
    所述第一温度大于或等于所述消毒液雾的活化温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以至少对所述预型件的内表面进行消毒；
    所述成型单元用于吹塑经过所述加热单元加热后的具有所述吹塑温度的所述预型件，以制得无菌瓶子。
  12. 根据权利要求11所述的一种制瓶设备，其特征在于：所述第一温度大于或等于所述消毒液雾的蒸发温度；所述加热单元用于加热经过所述喷射单元喷射后的所述预型件，以使得所述消毒液从所述预型件上蒸发。
  13. 根据权利要求11所述的一种制瓶设备，其特征在于：所述喷射单元还包括用于加热所述消毒液或所述消毒液雾以使得所述消毒液雾升至第二温度的加热器，所述第二温度大于所述预型件的温度且小于所述第一温度，所述喷射器用于向所述预型件喷射具有所述第二温度的所述消毒液雾，在待消毒的所述预型件的至少内表面上附着一层基本均匀的消毒液薄层。
  14. 根据权利要求11所述的一种制瓶设备，其特征在于：所述 消毒液为含有双氧水的溶液，用于在所述预型件被加热至超过活化温度后被活化。
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