CN102145186A - Bottle cap sterilization method and device - Google Patents
Bottle cap sterilization method and device Download PDFInfo
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- CN102145186A CN102145186A CN2011100867037A CN201110086703A CN102145186A CN 102145186 A CN102145186 A CN 102145186A CN 2011100867037 A CN2011100867037 A CN 2011100867037A CN 201110086703 A CN201110086703 A CN 201110086703A CN 102145186 A CN102145186 A CN 102145186A
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Abstract
The invention relates to a bottle cap sterilization method and a bottle cap sterilization device. In order to solve the technical problems, the invention provides the bottle cap sterilization method and the bottle cap sterilization device with thorough sterilization, no sterilization dead angle and little residue. The invention adopts the technical scheme that the bottle cap sterilization method is characterized by comprising the following steps of: a, atomizing hydrogen peroxide solution, spraying the atomized hydrogen peroxide solution on a bottle cap to perform sterilization, and ensuring that the acting time of the solution is 5 to 12 seconds; b, blowing sterile hot air to the bottle cap, wherein the temperature of the sterile hot air is 80 to 90 DEG C and the acting time is 3 to 5 seconds; and c, irradiating the bottle cap by adopting ultraviolet with wavelength of 250 to 260 nanometers, and ensuring that the radiation quantity is 333 to 600W.s/m<2>. The method and the device are mainly applied to bottle cap sterilization before filling in the food and beverage industries.
Description
Technical field
The present invention relates to a kind of sterilizing caps method and apparatus, particularly a kind of PET sterilizing caps method and apparatus mainly is applicable to the sterilizing caps that the food beverage industry fill is preceding.
Background technology
At present, the method for disinfection that the PET bottle cap is adopted mainly contains ultraviolet sterilization, heat sterilization, chemical agent sterilization.
Ultraviolet can make cells of microorganisms dna structures such as antibacterial change and killing bacteria.In the practice of PET sterilizing caps, adopt the mode on ultraviolet direct irradiation bottle cap surface more, it is simple to have technology, and no medicament is residual, characteristics such as efficient height.Yet, this method also has its limitation and weak point, on the one hand, improve constantly (even reaching 50000 bottles/hour) along with the beverage production linear velocity, if only with ultraviolet to sterilizing caps, require ultraviolet to have very high radiant intensity, and this type of high-intensity ultraviolet need adopt special high-performance equipment to produce, its exposure rate also needs often to detect to guarantee sterilization effect, and cost is very high; Simultaneously, ultraviolet does not have the effect of penetrating to the PET material, and the bottle cap inboard has screw thread, side seal, and some bottle cap also has in-flanges, and therefore the zone that exists ultraviolet to shine has formed the corner or spot as yet untouched by a clean-up campaign, has reduced bactericidal effect.
The heat sterilization mode is mainly used on PET hot filling line, and its cardinal principle takes measures to make the PET carafe to be inverted certain hour (about 30 seconds～1 minute) for after treating that the hot beverage fill is finished, and utilizes the high temperature beverage of interior 90 ℃ of bottle to kill the antibacterial of bottle cap inner surface.The heat sterilization mode has utilized PET heat to irritate the advantage of line, except that need not to adopt extras, raw material etc. just to reach bottle cap sterilization requirement the bottle carrier bar, but because some antibacterial is (as the sterilization D90 value of penicillium sp spore, promptly killing 90% Institute of Micro-biology under 90 ℃ of conditions takes time, be 2.3 minutes) high temperature is had certain resistance, caused bactericidal effect general, layering, denaturalization phenomenon appear in beverage sometimes, so there is certain limitation in this kind sterilization mode.
Chemical agent sterilization mainly is to utilize chemical agent and bacterioprotein molecule generation chemical reaction and kill antibacterial.Simple chemical method can not reach the effect of killing antibacterial under the low situation of concentration, perhaps because concentration is higher, and it is residual that medicament is produced.The chemical agent that adopts mainly contains at present:
(1) peracetic acid.Bactericidal effect is good, but has residually, needs the extra purified rinse water equipment of configuration to remove the bottle cap remained on surface.To sterilizing caps,,, then has thorough sterilization effects to bottle cap inside thread dead angle etc. if set the spray mode.
(2) hydrogen peroxide.At normal temperatures, the sterilization functions of hydrogenperoxide steam generator a little less than.Using the concentration of hydrogenperoxide steam generator is 30%～35%, and the high more effect of temperature is good more, and is more suitable about 60～80 ℃.Hydrogenperoxide steam generator uses seldom separately when sterilization, and many and other sterilization technologies are used.After the sterilization, residual quantities of hydrogen peroxide should be lower than 5ppm in the product owing to requiring, and generally needs to adopt sterilized water carry out hydro-peening to packaging material.
But because sterilization all has irritating abnormal smells from the patient with the high concentration chemical agent, severe corrosive as if Long contact time, can cause bigger harm to operator's health; Simultaneously,, increased the pressure of follow-up sewage disposal, increased cost because chemical agent does not utilize fully.
Therefore, traditional PET sterilizing caps method all exists certain weak point, and is all undesirable.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of at the problem of above-mentioned existence and sterilize thoroughly, do not have sterilization dead angle and residual few sterilizing caps method and apparatus.
The technical solution adopted in the present invention is: the sterilizing caps method is characterized in that step is as follows:
A, the hydrogenperoxide steam generator atomized spray is sterilized on bottle cap, and guarantee that be 5～12 seconds its action time;
B, brush heated sterile air on bottle cap, its temperature is 80-90 ℃, and be 3～5 seconds action time;
C, employing wavelength are the ultraviolet radiation bottle cap of 250-260nm, and guarantee that amount of radiation is 333～600Ws/m
2
The concentration of described hydrogenperoxide steam generator is 1%.
Fogdrop diameter after the described hydrogenperoxide steam generator atomizing is 4～6um.
Described heated sterile air adopts the aseptic compressed air heating and forms after filtration, and filtering accuracy is 0.01um.
A kind of sterilizing unit is characterized in that it comprises:
Sterilization tunnel, its inner attachment rail is used to carry bottle cap;
Hydrogen peroxide spraying module is used for spraying vaporific hydrogenperoxide steam generator and sterilizes on bottle cap;
Heated sterile air blowing module is used for brushing heated sterile air on bottle cap, with the decomposition of promotion hydrogen peroxide and the evaporation of moisture, improve the germicidal efficiency of hydrogen peroxide;
The ultraviolet radiation module is used to produce ultraviolet and shines bottle cap, in the germ-resistant while of direct irradiation, promotes the hydrogen peroxide decomposes sterilization, guarantees bactericidal effect, removes residual peroxide simultaneously;
Described hydrogen peroxide spraying module, heated sterile air blowing module are installed on the sterilization tunnel sidewall relative with the bottle cap open front face along the bottle cap direction of motion successively with the ultraviolet radiation module.
Described hydrogen peroxide spraying module is made up of three atomizers, and one of them nozzle level is pointed to bottle cap center, in addition two nozzles respectively obliquely with the center of the oblique bottle cap of sensing down.
The hydrogenperoxide steam generator fogdrop diameter that described nozzle ejection goes out is 4～6um.
Described heated sterile air blowing module comprises the hot-air runner that is communicated with and is parallel to orbital arrangement with external air source, evenly arranges one group of shower nozzle towards bottle cap one side on the hot-air runner.
Angle between described shower nozzle and the hot-air runner is 60 degree, and this angle is towards the port of export of sterilization tunnel.
Described ultraviolet radiation module is a ultraviolet lamp tube of arranging with parallel track, and its power is 100-150W, to launch ultraviolet wavelength be 250-260nm.
The invention has the beneficial effects as follows: the present invention is successively with the low concentration hydrogenperoxide steam generator, heated sterile air and ultraviolet act on the bottle cap successively, the three mutually combines and sterilizes, compared to traditional method for disinfection, on sterilization mechanism, improve, hydrogen peroxide and ultraviolet sterilization characteristics have separately rationally been utilized on the one hand, on the other hand heated sterile air excite with ultraviolet radiation effects under, effectively promoted the decomposition of hydrogen peroxide, not only strengthened bactericidal effect, and eliminated the residual peroxide on PET bottle cap surface, avoided influence to beverage taste and drinking person health; In addition, because used hydrogenperoxide steam generator concentration is low, hydrogen peroxide is decomposed into water and oxygen fully in sterilization process, has not only avoided the corrosion of injury, equipment to personnel and to the pollution of environment, and saved the step of follow-up sewage disposal, meet the requirement of low-carbon environment-friendly more.
Description of drawings
Fig. 1 is the structure diagram of sterilizing unit of the present invention.
Fig. 2 is hydrogen peroxide spraying module cross section (nozzle distribution) sketch map among the present invention.
Fig. 3 is a heated sterile air blowing module vertical view among the present invention.
Fig. 4 is a middle-ultraviolet lamp irradiation module vertical view of the present invention.
The specific embodiment
As shown in Figure 1, sterilizing unit comprises sterilization tunnel 8, hydrogen peroxide spraying module 4, heated sterile air blowing module 5 and ultraviolet radiation module 6 among the present invention.
Described sterilization tunnel 8 is a linear type, and two ends are offered inlet 8-1 and outlet 8-2 respectively, and the sterilization tunnel 8 inner linear type tracks of arranging along its length direction 3 of installing are used for the germ-resistant bottle cap 2 of needs is delivered to outlet 8-2 place from inlet 8-1.Described hydrogen peroxide spraying module 4, heated sterile air blowing module 5 and ultraviolet radiation module 6 are installed on sterilization tunnel 8 sidewalls relative with bottle cap 2 open front face successively along bottle cap 2 directions of motion (direction of the outlet that promptly enters the mouth).
As shown in Figure 2, described hydrogen peroxide spraying module 4 is made up of three atomizer 4-1, and one of them nozzle 4-1 level is pointed to bottle cap 2 centers, in addition two nozzles respectively obliquely with the center of the oblique bottle cap 2 of sensing down.Three nozzle 4-1 carry out the low concentration hydrogen peroxide solution spray from the dead ahead of bottle cap 2 open side, oblique below, oblique upper to bottle cap 2 inner surfacies respectively, guarantee that bottle cap 2 inner surfacies are covered by spraying area fully, avoid occurring the sterilization dead angle.
As shown in Figure 3, described heated sterile air blowing module 5 comprises the hot-air runner 5-1 that is communicated with and is parallel to track 3 layouts with external air source, on hot-air runner 5-1, evenly arrange one group of shower nozzle 5-2 towards bottle cap 2 one sides, angle between each shower nozzle 5-2 and the hot-air runner 5-1 is 60 degree, and this angle is towards the outlet 8-2 of sterilization tunnel 8.After heated sterile air enters hot-air runner 5-1, spray to the inner surface of bottle cap 2 at a high speed through overfire air shower nozzle 5-2.
As shown in Figure 4, described ultraviolet radiation module 6 is a high power ultraviolet lamp tube that is arranged in parallel with track 3, can front illuminated bottle cap 2 inner surfacies, its power is 130W, to launch ultraviolet wavelength be 250-260nm.
Method for disinfection of the present invention is at PET bottle cap 2 during by sterilization tunnel 8, and bottle cap 2 is through hydrogen peroxide, heated sterile air and ultraviolet combinations, with reach to PET bottle cap 2 thoroughly sterilize, the purpose of noresidue.Now specify its method for disinfection in conjunction with above-mentioned sterilizing unit:
A, the germ-resistant bottle cap 2 of needs enter in the sterilization tunnel 8 from inlet 8-1, and move to outlet 8-2 under the conveying of track 3.
When b, bottle cap 2 are sprayed module 4 through hydrogen peroxide, it is that 1% hydrogenperoxide steam generator atomized spray is at bottle cap 2 inner surfacies with concentration that atomizer 4-1 utilizes aseptic compressed air, hydrogenperoxide steam generator begins sterilization, and guarantees that the time that solution rests on the bottle cap 2 is 10 seconds; Described hydrogenperoxide steam generator adopts the food grade hydrogen peroxide of high concentration to convert pure water in proportion and forms, and meets state food safe and sanitary regulations, and the hydrogenperoxide steam generator fogdrop diameter that ejects after nozzle 4-1 atomizing is 4um.
C, bottle cap 2 is through heated sterile air blowing modules 5 subsequently, (temperature is 80-90 ℃ to heated sterile air, adopt the aseptic compressed air heating also to form after filtration, filtering accuracy is 0.01um, preparation that it is concrete and heating means thereof have more introduction in the prior art, be known technology, repeat no more in this description) spray to the inner surface of bottle cap 2 at a high speed through overfire air shower nozzle 5-2, and the guarantee effect time is 4.2 seconds; In this process, heated sterile air can promote on the one hand the evaporation of the moisture that forms behind the moisture and hydrogen peroxide decomposes in the hydrogenperoxide steam generator, can quicken the decomposition of bottle cap 2 surperficial hydrogen peroxide on the other hand, thereby improve germicidal efficiency.
D, last, bottle cap 2 utilize high power ultraviolet lamp (130W) to produce the inner surface of high-intensity ultraviolet radiation bottle cap 2 through ultraviolet radiation module 6, and the ultraviolet wavelength that it produced is 250-260nm, and guarantees that amount of radiation is 542.4Ws/m
2, in the germ-resistant while of direct irradiation, further accelerated the hydrogen peroxide decomposes sterilization, removed residual, realized sterilization thoroughly, the purpose of noresidue, ultraviolet also has certain bacteriostasis to the bottle cap surface simultaneously.
Be the sterilization resolving time of assurance hydrogen peroxide, thereby it is residual with minimizing effectively to increase sterilization intensity, the length of sterilization tunnel 8, hydrogen peroxide spraying module 4 and heated sterile air blowing module 5 should satisfy the sterilizing time of each link.
Claims (10)
1. sterilizing caps method is characterized in that step is as follows:
A, the hydrogenperoxide steam generator atomized spray is sterilized on bottle cap (2), and guarantee that be 5～12 seconds its action time;
B, brush heated sterile air on bottle cap (2), its temperature is 80-90 ℃, and be 3～5 seconds action time;
C, employing wavelength are the ultraviolet radiation bottle cap (2) of 250-260nm, and guarantee that amount of radiation is 333～600Ws/m
2
2. sterilizing caps method according to claim 1 is characterized in that: the concentration of described hydrogenperoxide steam generator is 1%.
3. sterilizing caps method according to claim 1 is characterized in that: the fogdrop diameter after the described hydrogenperoxide steam generator atomizing is 4～6um.
4. sterilizing caps method according to claim 1 is characterized in that: described heated sterile air adopts the aseptic compressed air heating and forms after filtration, and filtering accuracy is 0.01um.
5. one kind is utilized the described method of claim 1 to carry out germ-resistant device, it is characterized in that it comprises:
Sterilization tunnel (8), its inner attachment rail (3) is used to carry bottle cap (2);
Hydrogen peroxide spraying module (4) is used for going up the vaporific hydrogenperoxide steam generator of sprinkling to bottle cap (2) and sterilizes;
Heated sterile air blowing module (5) is used for brushing heated sterile air on bottle cap (2), with the decomposition of promotion hydrogen peroxide and the evaporation of moisture, improves the germicidal efficiency of hydrogen peroxide;
Ultraviolet radiation module (6) is used to produce ultraviolet and shines bottle cap (2), in the germ-resistant while of direct irradiation, promotes the hydrogen peroxide decomposes sterilization, guarantees bactericidal effect, removes residual peroxide simultaneously;
Described hydrogen peroxide spraying module (4), heated sterile air blowing module (5) are installed on sterilization tunnel (8) sidewall relative with bottle cap (2) open front face along bottle cap (2) direction of motion successively with ultraviolet radiation module (6).
6. sterilizing unit according to claim 5, it is characterized in that: described hydrogen peroxide spraying module (4) is made up of three atomizers (4-1), one of them nozzle (4-1) level is pointed to bottle cap (2) center, in addition two nozzles respectively obliquely with the oblique center of pointing to bottle cap (2) down.
7. sterilizing unit according to claim 6 is characterized in that: the hydrogenperoxide steam generator fogdrop diameter that described nozzle (4-1) ejects is 4～6um.
8. sterilizing unit according to claim 5, it is characterized in that: described heated sterile air blowing module (5) comprises the hot-air runner (5-1) that is communicated with and is parallel to track (3) layout with external air source, goes up towards bottle cap (2) one sides at hot-air runner (5-1) and evenly arranges one group of shower nozzle (5-2).
9. sterilizing unit according to claim 8 is characterized in that: the angle between described shower nozzle (5-2) and the hot-air runner (5-1) is 60 degree, and this angle is towards the port of export of sterilization tunnel (8).
10. sterilizing unit according to claim 5 is characterized in that: described ultraviolet radiation module (6) is a ultraviolet lamp tube that is arranged in parallel with track (3), and its power is 100-150W, to launch ultraviolet wavelength be 250-260nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100867037A CN102145186A (en) | 2011-03-30 | 2011-03-30 | Bottle cap sterilization method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100867037A CN102145186A (en) | 2011-03-30 | 2011-03-30 | Bottle cap sterilization method and device |
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| CN102145186A true CN102145186A (en) | 2011-08-10 |
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| CN2011100867037A Pending CN102145186A (en) | 2011-03-30 | 2011-03-30 | Bottle cap sterilization method and device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417997A (en) * | 2012-05-19 | 2013-12-04 | 成都中牧生物药业有限公司 | Disinfecting tank with nozzle structure |
| CN104773487A (en) * | 2014-01-14 | 2015-07-15 | 内蒙古伊利实业集团股份有限公司 | Conveying method of water spraying sterilization machine and sterilization method of water spraying sterilization machine |
| CN106039353A (en) * | 2016-05-31 | 2016-10-26 | 东北农业大学 | Physical-chemical combined cronobacter killing method and application |
| CN106729819A (en) * | 2016-11-25 | 2017-05-31 | 河池市农业科学研究所 | A kind of sterilizing methods of Lenlinus edodes canopy |
| JP2017124156A (en) * | 2016-01-15 | 2017-07-20 | シデル パルティシパシオン エス．エー．エス | Apparatus and method for sterilizing receptacle closure |
| CN107158430A (en) * | 2017-06-28 | 2017-09-15 | 唐长林 | A kind of beverage filling bottle cap sterilization device |
| CN112451708A (en) * | 2020-10-30 | 2021-03-09 | 江苏新美星包装机械股份有限公司 | Bottle cap sterilization method |
| CN113350547A (en) * | 2021-06-29 | 2021-09-07 | 中国农业大学 | Device and method for sterilizing paper-aluminum-plastic composite coiled material by coupling chemical bactericide and irradiation |
| CN113456854A (en) * | 2021-07-26 | 2021-10-01 | 中国农业大学 | Device and method for sterilizing paper aluminum plastic coiled material by coupling gaseous bactericide with ultraviolet rays |
| CN113893888A (en) * | 2021-09-28 | 2022-01-07 | 广东省科学院健康医学研究所 | Bottle cap storage device |
| EP4101775A1 (en) * | 2016-05-31 | 2022-12-14 | Dai Nippon Printing Co., Ltd. | Cap sterilizer, content filling system, cap sterilization method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417997B (en) * | 2012-05-19 | 2015-08-26 | 成都中牧生物药业有限公司 | With the sterilization pool of nozzle structure |
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| CN104773487A (en) * | 2014-01-14 | 2015-07-15 | 内蒙古伊利实业集团股份有限公司 | Conveying method of water spraying sterilization machine and sterilization method of water spraying sterilization machine |
| JP2017124156A (en) * | 2016-01-15 | 2017-07-20 | シデル パルティシパシオン エス．エー．エス | Apparatus and method for sterilizing receptacle closure |
| EP4101775A1 (en) * | 2016-05-31 | 2022-12-14 | Dai Nippon Printing Co., Ltd. | Cap sterilizer, content filling system, cap sterilization method |
| CN106039353A (en) * | 2016-05-31 | 2016-10-26 | 东北农业大学 | Physical-chemical combined cronobacter killing method and application |
| CN106039353B (en) * | 2016-05-31 | 2019-01-25 | 东北农业大学 | A kind of physical chemistry combined sterilizing method of Cronobacter sakazakii and application |
| US11655133B2 (en) | 2016-05-31 | 2023-05-23 | Dai Nippon Printing Co., Ltd. | Cap sterilizer, content filling system, cap sterilization method, and content filling method |
| CN106729819A (en) * | 2016-11-25 | 2017-05-31 | 河池市农业科学研究所 | A kind of sterilizing methods of Lenlinus edodes canopy |
| CN107158430A (en) * | 2017-06-28 | 2017-09-15 | 唐长林 | A kind of beverage filling bottle cap sterilization device |
| CN112451708A (en) * | 2020-10-30 | 2021-03-09 | 江苏新美星包装机械股份有限公司 | Bottle cap sterilization method |
| CN113350547A (en) * | 2021-06-29 | 2021-09-07 | 中国农业大学 | Device and method for sterilizing paper-aluminum-plastic composite coiled material by coupling chemical bactericide and irradiation |
| CN113456854A (en) * | 2021-07-26 | 2021-10-01 | 中国农业大学 | Device and method for sterilizing paper aluminum plastic coiled material by coupling gaseous bactericide with ultraviolet rays |
| CN113893888A (en) * | 2021-09-28 | 2022-01-07 | 广东省科学院健康医学研究所 | Bottle cap storage device |
| CN113893888B (en) * | 2021-09-28 | 2024-02-23 | 广东省科学院健康医学研究所 | Bottle cap storage device |
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Application publication date: 20110810 |