CN113876980A - Sterilization device - Google Patents
Sterilization device Download PDFInfo
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- CN113876980A CN113876980A CN202011590747.9A CN202011590747A CN113876980A CN 113876980 A CN113876980 A CN 113876980A CN 202011590747 A CN202011590747 A CN 202011590747A CN 113876980 A CN113876980 A CN 113876980A
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- hydrogen peroxide
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 151
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 147
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 209
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000009834 vaporization Methods 0.000 claims abstract description 26
- 230000008016 vaporization Effects 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims description 16
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 10
- 239000006200 vaporizer Substances 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000645 desinfectant Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006199 nebulizer Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/208—Hydrogen peroxide
-
- 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
-
- 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- 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
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
-
- 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
- A61L2202/12—Apparatus for isolating biocidal substances from the environment
- A61L2202/122—Chambers for sterilisation
-
- 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
- A61L2202/13—Biocide decomposition means, e.g. catalysts, sorbents
-
- 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
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
-
- 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
-
- 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
- A61L2202/16—Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a sterilization device, which comprises a sterilization box, a hydrogen peroxide gas supply mechanism, a vacuumizing mechanism, a residual hydrogen peroxide treatment mechanism, a sterile air storage tank, a high-pressure fan and a three-position three-way electromagnetic valve, wherein the hydrogen peroxide gas supply mechanism is connected with the vacuumizing mechanism; the sterilization box is internally provided with a placing basket used for placing products to be sterilized, the top in the sterilization box is provided with a rotary nozzle, and the rotary nozzle is uniformly provided with a plurality of universal nozzles. The invention has good sterilization effect, is environment-friendly, has high safety performance and is suitable for popularization and application; adopt hydrogen peroxide as disinfectant, have broad-spectrum disinfection and sterilization effect, the hydrogen peroxide after the vaporization can evenly distributed in the sterilization case, reaches the effect at no sterilization dead angle, degrades through remaining residual hydrogen peroxide in the hydrogen peroxide processing mechanism sterilization incasement after disinfection and sterilization accomplishes, through evacuation mechanism and residual hydrogen peroxide processing mechanism, has realized that the sterilization incasement hydrogen peroxide is zero to remain.
Description
Technical Field
The invention relates to the technical field of sterilization, in particular to a sterilization device.
Background
The hydrogen peroxide solution is a sterilizing agent with strong sterilizing capability, and has the characteristics of no by-product, no secondary pollution to the environment and the like. The sterilization capability of the vaporous hydrogen peroxide is far higher than that of the liquid hydrogen peroxide, namely, the hydrogen peroxide only needs lower concentration in the vaporous state to achieve the spore killing capability of the high-concentration liquid hydrogen peroxide. In recent years, the vaporized hydrogen peroxide sterilization method is also a method advocated by pharmacopoeias of various foreign countries and sterilization technical specifications, and is widely applied to various fields of medical treatment and health, packaging containers, food packaging, environmental disinfection and the like. The sterilization device in the prior art mainly has the following problems: the sterilization dead angle exists in the sterilization box, the sterilization effect is poor, and after the sterilization is finished, the residual hydrogen peroxide in the sterilization box is easy to diffuse, so that the external environment is polluted.
Disclosure of Invention
The invention aims to overcome the defects and provides the sterilization device which is good in sterilization effect, environment-friendly, high in safety performance and suitable for popularization and application; adopt hydrogen peroxide as disinfectant, have broad-spectrum disinfection and sterilization effect, the hydrogen peroxide after the vaporization can evenly distributed in the sterilization case, reaches the effect at no sterilization dead angle, degrades through remaining residual hydrogen peroxide in the hydrogen peroxide processing mechanism sterilization incasement after disinfection and sterilization accomplishes, through evacuation mechanism and residual hydrogen peroxide processing mechanism, has realized that the sterilization incasement hydrogen peroxide is zero to remain.
In order to achieve the purpose, the invention provides the following technical scheme that the sterilization device comprises a sterilization box, a hydrogen peroxide gas supply mechanism, a vacuumizing mechanism, a residual hydrogen peroxide treatment mechanism, a sterile air storage tank, a high-pressure fan and a three-position three-way electromagnetic valve; a placing basket for placing a product to be sterilized is arranged in the sterilization box, a rotary spray head is mounted at the top in the sterilization box, and a plurality of universal nozzles are uniformly arranged on the rotary spray head; the three-position three-way electromagnetic valve comprises a first interface, a second interface and a third interface, the first interface is communicated with an air outlet of the sterile air storage tank, the second interface, the high-pressure fan, the hydrogen peroxide gas supply mechanism and the rotary spray head are sequentially communicated through a gas pipeline, and the third interface is communicated with the inner cavity of the sterilization box through the gas pipeline; the top of the sterilization box is provided with an air inlet communicated with the inner cavity of the sterilization box, the bottom of the sterilization box is provided with an air outlet communicated with the inner cavity of the sterilization box, and the air inlet and the air outlet are communicated through a gas pipeline and a circulating pump; the air inlet of the vacuumizing mechanism is communicated with the inner cavity of the sterilization box through an air transmission pipeline, and the air outlet of the vacuumizing mechanism is communicated with the residual hydrogen peroxide treatment mechanism; three hydrogen peroxide gas concentration sensors are evenly arranged on the inner side wall of the sterilization box from top to bottom, the sterilization device further comprises a PLC, and the PLC is respectively connected with the hydrogen peroxide gas concentration sensors, the hydrogen peroxide gas supply mechanism, the vacuumizing mechanism, the residual hydrogen peroxide treatment mechanism, the high-pressure fan and the circulating pump in a control mode.
The sterilizing device comprises an outer wall and an inner wall, an interlayer is formed between the outer wall and the inner wall, an electric heating wire is arranged in the interlayer, a temperature sensor is arranged in the sterilizing box, and the temperature sensor and the electric heating wire are respectively connected with the PLC in a control mode.
In the above sterilization apparatus, a heat insulation layer is arranged outside the sterilization box.
In the above sterilization apparatus, the hydrogen peroxide supply mechanism includes a hydrogen peroxide storage tank, an ultrasonic atomizer and a hydrogen peroxide vaporizer; the hydrogen peroxide vaporizer includes the casing, be equipped with horizontal separators in the casing, horizontal separators will from last to dividing into vapour chamber, vaporization chamber down in proper order in the casing, be equipped with the intercommunication on the horizontal separators go out the vapour chamber with the play steam port in vaporization chamber, the hydrogen peroxide holding vessel pass through the infusion pipeline with the inlet intercommunication of ultrasonic atomizer, ultrasonic atomizer's ultrasonic shower nozzle is located in the vaporization chamber, the second interface pass through the gas transmission pipeline with high pressure positive blower with the vaporization chamber intercommunication, go out the vapour chamber through the gas transmission pipeline with rotatory nozzle intercommunication, the intracavity diapire of vaporization is equipped with the heating member, ultrasonic atomizer the heating member respectively with PLC controller control connection.
In the above sterilization apparatus, the heating member is an electric heating plate disposed on the bottom wall of the vaporization chamber.
In the above sterilization apparatus, the vacuum pumping mechanism is a vacuum pump.
In the above sterilization apparatus, the residual hydrogen peroxide treatment mechanism is a manganese dioxide catalytic degradation device, and an air outlet of the vacuum pump is connected to an air inlet end of the manganese dioxide catalytic degradation device through an air conveying pipeline.
In the sterilization device, a plurality of pairs of guide rails are sequentially arranged in the sterilization box from top to bottom, and the placing basket is slidably inserted into the pair of guide rails.
The sterilization device further comprises a fixed base, the sterilization box, the hydrogen peroxide gas supply mechanism, the vacuumizing mechanism, the residual hydrogen peroxide treatment mechanism, the sterile air storage tank and the high-pressure fan are all mounted on the upper end face of the fixed base, and hidden universal wheels are arranged on the lower end face of the fixed base.
The hidden universal wheel comprises a supporting leg, the supporting leg is fixedly installed on the lower end face of the fixed base, a hidden groove is formed in the lower end face of the supporting leg, an air pressure push rod is arranged on the top wall of the hidden groove, the universal wheel is arranged at the bottom of the air pressure push rod, and the air pressure push rod drives the universal wheel to vertically move up and down.
Compared with the prior art, the invention has the beneficial effects that: the sterilization device disclosed by the invention is good in sterilization effect, environment-friendly, high in safety performance and suitable for popularization and application; adopt hydrogen peroxide as disinfectant, have broad-spectrum disinfection and sterilization effect, the hydrogen peroxide after the vaporization can evenly distributed in the sterilization case, reaches the effect at no sterilization dead angle, degrades through remaining residual hydrogen peroxide in the hydrogen peroxide processing mechanism sterilization incasement after disinfection and sterilization accomplishes, through evacuation mechanism and residual hydrogen peroxide processing mechanism, has realized that the sterilization incasement hydrogen peroxide is zero to remain.
Drawings
FIG. 1 is a schematic view of an external structure of a sterilization apparatus according to the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
FIG. 3 is a schematic view showing the internal structure of the sterilization case according to the present invention;
FIG. 4 is a schematic view showing the internal structure of the hydrogen peroxide gas supply mechanism according to the present invention;
FIG. 5 is a control schematic diagram of a sterilization apparatus according to the present invention;
fig. 6 is a schematic structural view of the three-position three-way solenoid valve of the present invention.
The correspondence between each mark and the part name is as follows:
the device comprises a sterilization box 1, a hydrogen peroxide gas supply mechanism 2, a vacuumizing mechanism 3, a residual hydrogen peroxide treatment mechanism 4, a sterile air storage tank 5, a high-pressure fan 6, a three-position three-way electromagnetic valve 7, an electromagnetic valve body 8, a first interface 9, a second interface 10, a third interface 11, an electromagnet A12, an electromagnet B13, a placing basket 14, a rotary spray head 15, a universal nozzle 16, a circulating pump 17, a hydrogen peroxide gas concentration sensor 18, a PLC (programmable logic controller) 19, an electric heating wire 20, a temperature sensor 21, a heat insulation layer 22, a hydrogen peroxide storage tank 23, an ultrasonic atomizer 24, a hydrogen peroxide vaporizer 25, a horizontal partition plate 26, a steam outlet cavity 27, a vaporization cavity 28, a heating element 29, an ultrasonic spray head 30, a guide rail 31, a fixing base 32, a supporting leg 33, a hidden groove 34, an air pressure push rod 35, a universal wheel 36, a steam outlet 37, an air inlet 38 and an air outlet 39.
Detailed Description
In order to make the technical means of the implementation of the present invention, and the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1-6, the present embodiment discloses a sterilization apparatus, which includes a sterilization box 1, a hydrogen peroxide gas supply mechanism 2, a vacuum-pumping mechanism 3, a residual hydrogen peroxide treatment mechanism 4, a sterile air storage tank 5, a high-pressure fan 6, and a three-position three-way solenoid valve 7; a placing basket 14 for placing a product to be sterilized is arranged in the sterilization box 1, a rotary spray head 15 is arranged at the top in the sterilization box 1, and a plurality of universal nozzles 16 are uniformly arranged on the rotary spray head 15; specifically, the three-position three-way electromagnetic valve 7 in the embodiment includes an electromagnetic valve body 8, the electromagnetic valve body 8 is provided with a first interface 9, a second interface 10, a third interface 11 and two electromagnets, the two electromagnets are respectively an electromagnet a and an electromagnet B13, the first interface 9 is communicated with an air outlet of the sterile air storage tank 5, the second interface 10, the high-pressure fan 6, the hydrogen peroxide gas supply mechanism 2 and the rotary spray head 15 are sequentially communicated through an air transmission pipeline, and the third interface 11 is communicated with an inner cavity of the sterilization box 1 through the air transmission pipeline; the top of the sterilization box 1 is provided with an air inlet 38 communicated with the inner cavity of the sterilization box 1, the bottom of the sterilization box 1 is provided with an air outlet 39 communicated with the inner cavity of the sterilization box 1, and the air inlet 38 and the air outlet 39 are communicated with the circulating pump 17 through a gas pipeline; the air inlet of the vacuumizing mechanism 3 is communicated with the inner cavity of the sterilization box 1 through an air transmission pipeline, and the air outlet of the vacuumizing mechanism 3 is communicated with the residual hydrogen peroxide treatment mechanism 4; three hydrogen peroxide gas concentration sensors 18 are evenly arranged on the inner side wall of the sterilization box 1 from top to bottom, the sterilization device further comprises a PLC (programmable logic controller) 19, and the PLC 19 is respectively in control connection with the hydrogen peroxide gas concentration sensors 18, the hydrogen peroxide gas supply mechanism 2, the vacuumizing mechanism 3, the residual hydrogen peroxide treatment mechanism 4, the high-pressure fan 6 and the circulating pump 17.
When the sterilization device in this embodiment is used specifically, the spray angle of vaporized hydrogen peroxide is wider by the universal nozzle 16 and the rotary spray head 15, and the sterilization effect is further improved. The vaporized hydrogen peroxide and the circulating gas from the air inlet 38 are diffused downwards, the air outlet 39 is positioned at the bottom of the box body, the circulation of the gas in the sterilization box 1 is facilitated, the vaporized hydrogen peroxide is uniformly distributed in the sterilization box 1, and the sterilization effect is improved.
Specifically, sterilization case 1 in this embodiment includes outer wall and inner wall, forms an intermediate layer between outer wall and the inner wall, is equipped with electric heating wire 20 in the intermediate layer, is equipped with temperature sensor 21 in sterilization case 1, and temperature sensor 21, electric heating wire 20 are respectively with PLC 19 control connection. Through setting up electric heating wire 20, control the temperature in sterilization case 1, avoid making the hydrogen peroxide condensation after the vaporization that gets into sterilization case 1 influence the sterilization effect because of the low temperature in sterilization case 1.
Referring to fig. 3, the sterilization case 1 of the present embodiment is provided with an insulating layer 22 on the outside. Condensation of vaporized hydrogen peroxide is further avoided by providing the insulating layer 22.
Specifically, referring to fig. 4, the hydrogen peroxide supply mechanism in the present embodiment includes a hydrogen peroxide storage tank 23, an ultrasonic atomizer 24, and a hydrogen peroxide vaporizer 25; hydrogen peroxide vaporizer 25 includes the casing, is equipped with horizontal partition plate 26 in the casing, and horizontal partition plate 26 is equipped with intercommunication steam outlet 27 and the steam outlet 37 of vaporization chamber 28 with from last to dividing into steam outlet 27, vaporization chamber 28 down in proper order in with the casing, be equipped with on the horizontal partition plate 26 and communicate steam outlet 27 with the inlet of vaporization chamber 28, hydrogen peroxide holding vessel 23 passes through the infusion pipeline and communicates with ultrasonic nebulizer 24's inlet, and ultrasonic nebulizer 24's ultrasonic shower nozzle 30 is located in vaporization chamber 28, and second interface 10 passes through the infusion pipeline and high pressure positive blower 6 and communicates with vaporization chamber 28, and steam outlet 27 communicates through the infusion pipeline and rotatory nozzle 15, and the bottom wall is equipped with heating element 29 in the vaporization chamber 28, and ultrasonic nebulizer 24, heating element 29 respectively with PLC 19 control connection.
The atomized hydrogen peroxide liquid is uniformly vaporized in the cavity 28 through the ultrasonic atomizer 24, and then is vaporized through the heating element 29, so that the hydrogen peroxide is more fully vaporized, the vaporization efficiency is improved, and the vaporized hydrogen peroxide enters the vapor outlet cavity 27 through the vapor outlet 37 and then is sprayed out through the universal nozzle 16 and the rotary spray head 15.
Specifically, the heating member 29 in the present embodiment is an electric heating plate provided on the inner bottom wall of the vaporization chamber 28.
Specifically, the vacuum-pumping mechanism 3 in the present embodiment is a vacuum pump.
Specifically, the residual hydrogen peroxide treatment mechanism 4 in this embodiment is a manganese dioxide catalytic degradation device, and an air outlet of the vacuum pump is connected to an air inlet end of the manganese dioxide catalytic degradation device through an air transmission pipeline.
Specifically, referring to fig. 3, a plurality of pairs of guide rails 31 are sequentially provided in the sterilization case 1 in this embodiment from top to bottom, and the placing basket 14 is slidably inserted into the pair of guide rails 31. Through setting up many pairs of guide rails 31, convenience of customers carries out convenient, swift adjustment to placing the position of basket 14 in sterilization case 1.
Specifically, referring to fig. 1, the sterilization apparatus in this embodiment further includes a fixed base 32, the sterilization tank 1, the hydrogen peroxide gas supply mechanism 2, the vacuum-pumping mechanism 3, the residual hydrogen peroxide treatment mechanism 4, the sterile air storage tank 5, and the high-pressure fan 6 are all mounted on the upper end surface of the fixed base 32, and the lower end surface of the fixed base 32 is provided with a hidden universal wheel 36. The hidden universal wheels 36 are arranged on the lower end face of the fixed base 32, so that the sterilization device in the embodiment can be conveniently fixed and moved.
Referring to fig. 2, the hidden universal wheel 36 in this embodiment includes a supporting leg 33, the supporting leg 33 is fixedly mounted at the bottom of the fixing base 32, a hidden groove 34 is formed in a lower end surface of the supporting leg 33, an air pressure push rod 35 is arranged on an inner top wall of the hidden groove 34, the universal wheel 36 is arranged at the bottom of the air pressure push rod 35, and the air pressure push rod 35 drives the universal wheel 36 to vertically move up and down.
When the sterilization device in this embodiment is used specifically, the method includes the following steps:
1. placing the product to be sterilized in the placing basket 14, and then placing the placing basket 14 in the sterilization box 1;
2. vacuumizing the inside of the sterilization box 1 by the vacuumizing mechanism 3 until the pressure in the sterilization box 1 is 20 pa-80 pa, and treating the gas pumped out by the vacuumizing mechanism 3 by the residual hydrogen peroxide treatment mechanism 4 and then discharging;
3. sterile air is input into the sterilization box 1 through the third interface 11 and the gas transmission pipeline box, then the vaporized hydrogen peroxide generated by the hydrogen peroxide gas supply mechanism 2 is uniformly sprayed into the sterilization box 1 through the rotary spray head 15 and the universal spray nozzle 16 by the power provided by the high-pressure fan 6, and meanwhile, the gas in the sterilization box 1 is circulated through the circulating pump 17 until the values detected by the three hydrogen peroxide gas concentration sensors 18 are the same and are C, so that the uniform distribution of the hydrogen peroxide in the box body is realized, and the hydrogen peroxide gas supply mechanism 2 stops supplying the vaporized hydrogen peroxide to the sterilization box inwards;
4. and when the concentration of hydrogen peroxide gas in the sterilization box 1 is less than C, repeating the steps 2-3 until the sterilization time reaches the preset sterilization time, vacuumizing the sterilization box 1 by the vacuumizing mechanism 3 until the pressure in the sterilization box 1 is 20-80 pa, treating the gas pumped out by the vacuumizing mechanism 3 by the residual hydrogen peroxide treatment mechanism 4, discharging, filling sterile air into the sterilization box 1, completing sterilization, and taking out the sterilized articles in the basket 14.
In conclusion, the sterilization device disclosed by the invention is good in sterilization effect, environment-friendly, high in safety performance and suitable for popularization and application; adopt hydrogen peroxide as disinfectant, have broad-spectrum disinfection and sterilization effect, the hydrogen peroxide after the vaporization can evenly distributed in sterilization case 1, reaches the effect at no sterilization dead angle, degrades through remaining hydrogen peroxide in 4 sterilization case 1 of hydrogen peroxide processing mechanism of remaining after disinfection and sterilization are accomplished, through evacuation mechanism 3 and remaining hydrogen peroxide processing mechanism 4, has realized that the hydrogen peroxide in the sterilization case 1 remains to be zero.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sterilization device is characterized by comprising a sterilization box, a hydrogen peroxide gas supply mechanism, a vacuumizing mechanism, a residual hydrogen peroxide treatment mechanism, a sterile air storage tank, a high-pressure fan and a three-position three-way electromagnetic valve; a placing basket for placing a product to be sterilized is arranged in the sterilization box, a rotary spray head is mounted at the top in the sterilization box, and a plurality of universal nozzles are uniformly arranged on the rotary spray head; the three-position three-way electromagnetic valve comprises a first interface, a second interface and a third interface, the first interface is communicated with an air outlet of the sterile air storage tank, the second interface, the high-pressure fan, the hydrogen peroxide gas supply mechanism and the rotary spray head are sequentially communicated through a gas pipeline, and the third interface is communicated with the inner cavity of the sterilization box through the gas pipeline; the top of the sterilization box is provided with an air inlet communicated with the inner cavity of the sterilization box, the bottom of the sterilization box is provided with an air outlet communicated with the inner cavity of the sterilization box, and the air inlet and the air outlet are communicated through a gas pipeline and a circulating pump; the air inlet of the vacuumizing mechanism is communicated with the inner cavity of the sterilization box through an air transmission pipeline, and the air outlet of the vacuumizing mechanism is communicated with the residual hydrogen peroxide treatment mechanism; three hydrogen peroxide gas concentration sensors are evenly arranged on the inner side wall of the sterilization box from top to bottom, the sterilization device further comprises a PLC, and the PLC is respectively connected with the hydrogen peroxide gas concentration sensors, the hydrogen peroxide gas supply mechanism, the vacuumizing mechanism, the residual hydrogen peroxide treatment mechanism, the high-pressure fan and the circulating pump in a control mode.
2. A sterilization device as defined in claim 1, wherein said sterilization box comprises an outer wall and an inner wall, an interlayer is formed between said outer wall and said inner wall, an electric heating wire is disposed in said interlayer, a temperature sensor is disposed in said sterilization box, and said temperature sensor and said electric heating wire are respectively in control connection with said PLC controller.
3. A sterilising apparatus according to claim 2, wherein the chamber is provided with insulation.
4. A sterilization apparatus as defined in claim 1, wherein said hydrogen peroxide supply means comprises a hydrogen peroxide storage tank, an ultrasonic atomizer and a hydrogen peroxide vaporizer; the hydrogen peroxide vaporizer includes the casing, be equipped with horizontal separators in the casing, horizontal separators will from last to dividing into vapour chamber, vaporization chamber down in proper order in the casing, be equipped with the intercommunication on the horizontal separators go out the vapour chamber with the play steam port in vaporization chamber, the hydrogen peroxide holding vessel pass through the infusion pipeline with the inlet intercommunication of ultrasonic atomizer, ultrasonic atomizer's ultrasonic shower nozzle is located in the vaporization chamber, the second interface pass through the gas transmission pipeline with high pressure positive blower with the vaporization chamber intercommunication, go out the vapour chamber through the gas transmission pipeline with rotatory nozzle intercommunication, the intracavity diapire of vaporization is equipped with the heating member, ultrasonic atomizer the heating member respectively with PLC controller control connection.
5. A sterilising apparatus according to claim 4, wherein the heating element is an electrical heater plate located in the inner bottom wall of the vaporisation chamber.
6. A sterilization apparatus according to claim 1, wherein said evacuation mechanism is a vacuum pump.
7. The sterilization apparatus as claimed in claim 6, wherein the residual hydrogen peroxide treatment mechanism is a manganese dioxide catalytic degradation device, and the gas outlet of the vacuum pump is connected with the gas inlet end of the manganese dioxide catalytic degradation device through a gas pipeline.
8. A sterilization apparatus according to claim 1, wherein a plurality of pairs of guide rails are provided in the sterilization chamber from top to bottom, and the placing basket is slidably inserted into the pair of guide rails.
9. The sterilization apparatus as claimed in claim 1, wherein the sterilization apparatus further comprises a fixed base, the sterilization box, the hydrogen peroxide gas supply mechanism, the vacuum-pumping mechanism, the residual hydrogen peroxide treatment mechanism, the sterile air storage tank and the high pressure fan are all mounted on an upper end surface of the fixed base, and a hidden universal wheel is arranged on a lower end surface of the fixed base.
10. The sterilization apparatus as claimed in claim 1, wherein the hidden universal wheel comprises a supporting leg, the supporting leg is fixedly mounted on the lower end surface of the fixed base, the lower end surface of the supporting leg is provided with a hidden groove, the top wall of the hidden groove is provided with an air pressure push rod, the bottom of the air pressure push rod is provided with a universal wheel, and the air pressure push rod drives the universal wheel to move vertically up and down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590747.9A CN113876980A (en) | 2020-12-29 | 2020-12-29 | Sterilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590747.9A CN113876980A (en) | 2020-12-29 | 2020-12-29 | Sterilization device |
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| CN113876980A true CN113876980A (en) | 2022-01-04 |
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| CN202011590747.9A Pending CN113876980A (en) | 2020-12-29 | 2020-12-29 | Sterilization device |
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| CN114890200A (en) * | 2022-03-25 | 2022-08-12 | 杭州叙源无纺布制品有限公司 | Non-woven fabrics sterilization equipment is used in facial mask production |
| CN115535473A (en) * | 2022-11-24 | 2022-12-30 | 坛墨质检科技股份有限公司 | Standard solution sterilization storage device for water quality monitoring |
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