CN112843277A - Self-adaptive cargo size channel type plasma killing system - Google Patents
Self-adaptive cargo size channel type plasma killing system Download PDFInfo
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- CN112843277A CN112843277A CN202011635456.7A CN202011635456A CN112843277A CN 112843277 A CN112843277 A CN 112843277A CN 202011635456 A CN202011635456 A CN 202011635456A CN 112843277 A CN112843277 A CN 112843277A
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- 230000001954 sterilising effect Effects 0.000 claims abstract description 83
- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 230000009471 action Effects 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 38
- 239000002351 wastewater Substances 0.000 claims description 19
- 238000007781 pre-processing Methods 0.000 claims description 18
- 230000003044 adaptive effect Effects 0.000 claims description 16
- 238000012805 post-processing Methods 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 9
- 238000002203 pretreatment Methods 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 42
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- 239000002912 waste gas Substances 0.000 description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 9
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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
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/14—Plasma, i.e. ionised gases
-
- 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
- A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
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- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a self-adaptive cargo size channel type plasma killing system, which comprises: the sterilizing and killing device comprises a sterilizing and killing main channel and a sterilizing and killing channel supporting main body, wherein the sterilizing and killing main channel is positioned above the sterilizing and killing channel supporting main body; two ends of the sterilizing main channel are respectively connected with a goods inlet and a goods outlet, and the goods inlet is provided with a goods inlet size identification unit; and a plasma injection array and/or a spraying unit and a cooling unit are arranged in the killing main channel, and the plasma injection array is connected with a high-voltage power supply. According to the self-adaptive cargo size channel type plasma sterilizing and killing system, the array plasma generator directly or indirectly acts on the physical surface and even permeates a certain depth, and the surface of an object can be quickly and efficiently sterilized for 3-10 seconds, so that quick sterilizing and killing can be realized; meanwhile, the size of the article can be identified through the size identification unit of the goods inlet, the action space of the plasma is adjusted, and the action efficiency is improved.
Description
Technical Field
The invention relates to a self-adaptive cargo size plasma channel type second-level sterilizing and killing system, and belongs to the technical field of sterilization.
Background
The channel sterilization is an efficient continuous sterilization process for sterilizing microorganisms on products, packaging materials of packaging containers, packaging auxiliary substances, packages or bulk goods, transport vehicles, personnel and the like in a time-sharing manner, so that the microorganisms are reduced to be within an allowable range.
With the outbreak of new coronavirus epidemic situation, people find that the virus obviously has the phenomenon of transmission of the virus; particularly cold chain food, the frequency detection of the outer package and the surface shows positive. The method poses great threat to national health and inestimable loss to economy.
The common disinfection mode in the current market is to use chemical disinfection solutions such as peracetic acid, 84 disinfection solution and the like; although the operation is simple and easy, and the germs can be killed completely, the odor is remained after the disinfection, chemical residues are easy to remain, and the disinfection is generally corrosive and bleaching.
The existing spray de-infection technology discloses the application number as follows: 201621394161.4A spraying sterilization machine for beverage production, including production line, support frame and liquid medicine blending tank etc. but this prior art uses spraying chemical sterilization, and the hot water that has the spray thrower to spray simultaneously is not even enough to article, influences bactericidal effect.
In some food production processes, the sterilization equipment commonly used realizes sterilization through ozone and ultraviolet rays, but the bactericidal effect is weak, and the bottom of food can not contact ozone or ultraviolet rays, is easily infected by bacteria, and the sterilization efficiency is low, and work is especially because the sealed degree of difficulty of goods business turn over equipment is big on the assembly line, and the concentration of sterilization factor is difficult to guarantee, generally need work under unmanned environment.
The traditional plasma sterilizing equipment has the advantages of high sterilizing speed and strong inactivating capability, but has small action space and is limited by the size and the shape of an article in the industrial sterilizing process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-adaptive cargo size channel type plasma sterilization system, which directly or indirectly acts on a physical surface even permeates a certain depth by using an array plasma generator, quickly and efficiently sterilizes the surface of an object within 3-10 seconds, simultaneously, the action efficiency is improved by realizing article identification and adjusting the action space of plasma or spraying, and after sterilization is finished, the short-time species of the plasma are quickly decomposed, so that green sterilization is realized, and waste gas and waste water are decomposed or safely discharged; and a channel type conveying mode is adopted, so that the continuous sterilization of the articles is realized. Particularly, the rotary pretreatment rotating disc is adopted in the disinfection channel system, so that the running power and running cost of the equipment are reduced, the waste gas is reduced, the ageing rate of the equipment is reduced, and the running cost of the equipment is reduced.
A self-adaptive cargo size channel type plasma killing system mainly comprises: the water-removing and killing device comprises a water-removing and killing main channel and a water-removing and killing channel supporting main body, wherein the water-removing and killing main channel is positioned above the water-removing and killing channel supporting main body and is fixedly connected with the water-removing and killing channel supporting main body;
two ends of the sterilizing main channel are respectively connected with a goods inlet and a goods outlet, and the goods inlet is provided with a goods inlet size identification unit;
a plasma injection array and/or a spraying unit and a cooling unit are arranged inside the killing main channel, the plasma injection array and/or the spraying unit is close to the goods inlet, the cooling unit is close to the goods outlet, and the plasma injection array is connected with a high-voltage power supply;
the plasma injection array is generated by an array plasma generator.
Furthermore, the spraying unit is positioned between the plasma injection array and the cooling unit.
Furthermore, the sterilizing main channel is also respectively connected with a shielding gas unit, a waste gas treatment unit and a waste water recovery unit;
further, the system further comprises a rotary preprocessing turntable of the goods inlet and a rotary postprocessing turntable of the goods outlet, wherein the rotary preprocessing turntable of the goods inlet is located between the goods inlet and the sterilizing main channel, the rotary preprocessing turntable is connected with the sterilizing main channel, the goods inlet is connected with the rotary preprocessing turntable of the goods inlet, the rotary preprocessing turntable is located between the sterilizing main channel and the goods outlet, the sterilizing main channel is connected with the rotary postprocessing turntable of the goods outlet, the rotary postprocessing turntable of the goods outlet is connected with the goods outlet, and the above channels complete the complete transmission of goods.
Further, the size recognition unit is connected with the goods entrance. The three-dimensional movable plasma array bracket is used for realizing the identification of the size of the goods and further controlling the three-dimensional movable plasma array bracket.
Further, the rotatory preliminary treatment carousel of mouth of stocking includes exhaust unit, push mechanism, the main cavity body, goods transport unit check and rotating electrical machines, the inside of the main cavity body is equipped with rotating electrical machines, push mechanism, goods transport unit check, rotating electrical machines provides power for the rotatory preliminary treatment carousel of mouth of stocking goods transport unit check, goods transport unit check is at the rotatory preliminary treatment carousel internal rotation of mouth of stocking goods, rotating electrical machines passes through push mechanism and is connected with goods transport unit check, rotating electrical machines is located the position of the centre of a circle, and goods transport unit check are equallyd divide in the inside of the rotatory preliminary treatment carousel of mouth of stocking on the circumferencial direction, the top of the main cavity body is equipped with the exhaust unit, the exhaust unit is connected with the exhaust-gas treatment unit. The main cavity and the cargo conveying unit grid are sealed. The rotating motor is used for rotating the pretreatment rotary disc at the goods inlet.
Further, the rotatory aftertreatment carousel of shipment mouth, including exhaust unit, push mechanism, the main cavity body, goods transport unit check and rotating electrical machines, the inside of the main cavity body is equipped with rotating electrical machines, push mechanism, goods transport unit check, rotating electrical machines provides power for the rotation of goods transport unit check in the rotatory aftertreatment carousel of shipment mouth, goods transport unit check is at the rotatory aftertreatment carousel internal rotation of shipment mouth, rotating electrical machines passes through push mechanism and is connected with goods transport unit check, rotating electrical machines is located the position of centre of a circle, and goods transport unit check all distribute in the inside of the rotatory aftertreatment carousel of shipment mouth on the circumferencial direction, rotating electrical machines passes through push mechanism and is connected with goods transport unit check, the top of the main cavity body is equipped with the exhaust unit, the exhaust unit is connected with the exhaust-gas treatment unit. The goods conveying unit grids inside the main cavity body are sealed. The rotating motor is used for rotating the post-processing turntable at the goods outlet.
Furthermore, the pushing mechanism comprises a pushing rod, a pushing plate, a slope, a positioning column and a gravity sensor, the pushing plate, the slope and the positioning column are located inside the cargo conveying unit cell, the gravity sensor is located outside the cargo conveying unit cell, the pushing plate is located at one end of the cargo conveying unit cell, the positioning column is located at the other end of the cargo conveying unit cell, the slope is located at the bottom of the cargo conveying unit cell, the gravity sensor is located below the slope, the slope is fixedly connected with the cargo conveying unit cell, the pushing rod is fixedly connected with the pushing plate, the pushing plate is connected with the slope in a sliding mode, and the positioning column is connected with the cargo conveying unit cell in a telescopic mode; the top surface opening of goods transport unit check, the one end of goods transport unit check is connected with the rotating electrical machines through the propelling movement pole, the one end opening of goods transport unit check. The gravity inductor is used for inducing the gravity of the goods on the slope and judging whether the goods are on the slope or not. When the positioning column retracts to be flush with the bottom of the goods conveying unit cell, goods at a goods inlet enter the slope of the goods conveying unit cell of the goods inlet rotary pretreatment turntable, the positioning column extends out to be used for preventing the goods from sliding out of the unit cell downwards, when the goods conveying unit cell of the goods inlet rotary pretreatment turntable rotates 180 degrees, the positioning column retracts to be flush with the bottom of the goods conveying unit cell, a motor of the goods inlet rotary pretreatment turntable and a motor of the goods outlet rotary post-treatment turntable provide power for a pushing rod, the goods on the slope are pushed out to a killing main channel along the slope under the action of the pushing rod and a pushing plate, and the goods are killed in the main channel; when the locating column retracts to be level with the bottom of the goods conveying unit lattice, goods killed off enter the slope of the goods conveying unit lattice of the rotary post-processing rotary disc of the goods outlet, the locating column stretches out to be used for blocking the goods to slide out of the unit lattice downwards, when the goods conveying unit lattice of the rotary pre-processing rotary disc of the goods outlet rotates 180 degrees, the locating column retracts to be flush with the bottom of the goods conveying unit lattice, and goods on the slope are pushed out to the goods outlet along the slope under the action of the pushing rod and the pushing plate. After the goods conveying unit lattice conveys the goods once, the pushing rod and the pushing plate return to the initial position under the action of the motor.
Furthermore, the rotary pretreatment rotating disc of the goods inlet and the rotary post-treatment rotating disc of the goods outlet are used as preferred structures and can be replaced by an air exhaust unit in many occasions, and the air exhaust unit is connected with an exhaust gas treatment unit.
Furthermore, the rotary pretreatment rotary disc at the goods inlet and the rotary post-treatment rotary disc at the goods outlet enable the diffusion of gas to mainly occur in a separation space between the rotary pretreatment rotary disc at the goods inlet and the rotary post-treatment rotary disc at the goods outlet, and simultaneously reduce the concentration influence of the air exhaust unit on the sterilization factors of the main channel.
Furthermore, the sterilizing channel supporting main body is provided with a cargo conveying mechanism, and the cargo conveying mechanism is connected with the cargo inlet, the rotary pretreatment rotary table of the cargo inlet, the sterilizing main channel, the plasma injection array, the rotary post-treatment rotary table of the cargo outlet and the cargo outlet.
Further, the main killing passage is a cuboid, and the plasma injection array and the spraying unit can be located on at least one of the four surfaces of the top surface, the bottom surface, the front side surface and the rear side surface of the main killing passage.
Furthermore, the array type plasma generator is formed by arranging a plurality of plasma generators in an array manner, the plasma generators are connected with the plasma array support, the plasma array support is connected with the action unit, the action unit is used for controlling the movement of the plasma array support, the plasma array support can realize the three-dimensional movement of the plasma generators through the control of the action unit, and therefore the adjustment of the vertical position and the horizontal position of the plasma injection array can be realized, and the density degree of the plasma generators can be adjusted. The cargo size (including length, width and height) is identified by the size identifying unit. If the height of the goods changes within a certain range, the vertical distance between the plasma generator of the plasma injection array and the goods can be adaptively adjusted through the plasma array bracket and the action unit, which are positioned above the top surface of the killing main channel, according to the height of the goods identified by the size identification unit; if the width of the goods changes within a certain range, the horizontal distance between the plasma generator of the plasma injection array and the goods can be adaptively adjusted through the plasma array supports on the left side and the right side and the action unit according to the width of the goods identified by the size identification unit. If the length of the goods changes within a certain range, the density degree of the plasma generators of the plasma injection array is adaptively adjusted through the plasma array supports and the action units in four directions (the top surface, the bottom surface, the front side surface and the rear side surface) according to the length of the goods identified by the size identification unit.
Further, the plasma generator is used as a core component of the plasma channel sterilization system, and preferably a jet plasma generator is used, but the plasma generator is not limited to this plasma generation mode, and a plasma generator of corona or dielectric barrier discharge mode can also be used.
Further, the high-voltage power supply is located at the top of the sterilizing main channel, the protective gas unit is located above the sterilizing main channel, and the waste water recovery unit is located below the cargo conveying mechanism.
Furthermore, the high-voltage power supply is connected with the plasma array to provide energy for the plasma array. Preferably, a high voltage, high frequency ac power supply is used.
Further, the gas used by the protective gas unit can be ozone, and the maintenance of the killing factors of the plasma long-acting species is mainly realized.
Further, the structure of the spray unit is the prior art in the field, and the liquid used is plasma activated water, but the invention is not limited to the scope of protection, and ozone water or the like may be used.
Further, the structure of the dehumidifying unit is the prior art in the field, and its main function is to reduce the humidity of the cargo.
Further, the structure of the waste gas treatment unit is the prior art in the field, and may include a blower, a pipeline and an ozone decomposer. The exhaust gas treatment unit is used for treating exhaust gas generated in the plasma discharge process.
Further, the structure of the wastewater recovery unit is the prior art in the field, and mainly realizes the discharge of wastewater.
The invention has the beneficial effects that:
(1) the self-adaptive cargo size channel type plasma sterilizing system can be used for sterilizing the surface of an object quickly and efficiently in 3-10 seconds by directly or indirectly acting on the physical surface by using the array plasma generator and even penetrating a certain depth;
(2) meanwhile, the size of the article can be identified through the size identification unit of the goods inlet, the action space of the plasma is adjusted, and the action efficiency is improved;
(3) after the sterilization is finished, the short-time species of the plasma are rapidly decomposed, so that green sterilization is realized;
(4) the waste gas and the waste water are decomposed or safely discharged;
(5) the continuous sterilization of the articles is realized by adopting a channel type conveying mode;
(6) the rotary pretreatment rotating disc is adopted in the disinfection channel system, so that the running power and running cost of the equipment are reduced, the waste gas is reduced, the ageing rate of the equipment is reduced, and the running cost of the equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of an adaptive cargo size passage-type plasma killing system according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a rotary pretreatment turret at a loading port (left side) and a rotary post-treatment turret at an unloading port (right side) in example 1 of the present invention;
FIG. 3 is a schematic structural diagram of a cargo conveying cell of a rotary preprocessing turntable at a cargo inlet according to embodiment 1 of the invention;
fig. 4 is a schematic structural view of an adaptive cargo size passage-type plasma killing system according to embodiment 2 of the present invention;
in the figure: 101. the device comprises a cargo inlet 102, a cargo inlet rotary pretreatment turntable 103, a sterilization main channel 104, a high-voltage power supply 105, a shielding gas unit 106, a cargo outlet rotary post-treatment turntable 107, a cargo outlet 108, a sterilization channel support main body 109, a wastewater recovery unit 110, a cargo conveying mechanism 111, an exhaust gas treatment unit 112, a dehumidification unit 113, a cargo inlet size identification unit 114, a plasma injection array 115, a spray unit 116 and a sterilization channel support main body;
201. the rotary pretreatment turntable comprises a main cavity sealed by a rotary pretreatment turntable at a cargo inlet, an exhaust unit of the rotary pretreatment turntable at the cargo inlet, a rotary motor of the rotary pretreatment turntable at the cargo inlet 203, a pushing mechanism of the rotary pretreatment turntable at the cargo inlet 204, and a cargo conveying unit grid of the rotary pretreatment turntable at the cargo inlet 205; 601. the rotary post-treatment turntable after the goods outlet is rotated seals a main cavity, 602, an exhaust unit of the rotary post-treatment turntable after the goods outlet is rotated, 603, a rotary post-treatment turntable rotating motor of the goods outlet, 604, a pushing mechanism of the rotary post-treatment turntable after the goods outlet is rotated, 605, a goods conveying unit grid of the rotary post-treatment turntable after the goods outlet is rotated;
301. push rod 302, push plate 303, positioning column 304, slope 305 and gravity sensor.
Detailed Description
As will become more apparent from the following description, the present invention will be described in detail with reference to the accompanying drawings and embodiments of bulk goods sterilization. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The self-adaptive cargo size channel type plasma sterilization system provided by the invention can be used for sterilizing the surface of an object by directly or indirectly acting on the physical surface even penetrating a certain depth by using the array plasma generator when sterilizing the surface of the packaged object and bulk cargo, and can be used for quickly and efficiently sterilizing the surface of the object within 3-10 seconds.
The object identification can be realized, the action space of the plasma or the spraying is adjusted, the action efficiency is improved, and after the sterilization is finished, the short-time species of the plasma are quickly decomposed, so that the green sterilization is realized, and the waste gas and the waste water are decomposed or safely discharged; and a channel type conveying mode is adopted, so that the continuous sterilization of the articles is realized. Particularly, the rotary pretreatment rotating disc is adopted in the disinfection channel system, so that the running power and running cost of the equipment are reduced, the waste gas is reduced, the ageing rate of the equipment is reduced, and the running cost of the equipment is reduced.
Example 1
As shown in fig. 1-3, a self-adaptive cargo size passage type plasma killing system mainly comprises: the device comprises a cargo inlet 101, a cargo inlet rotary pretreatment turntable 102, a sterilization main channel 103, a high-voltage power supply 104, a shielding gas unit 105, a cargo outlet rotary post-treatment turntable 106, a cargo outlet 107, a wastewater recovery unit 109, a sterilization channel support main body 108, a cargo conveying mechanism 110, an exhaust gas treatment unit 111, a dehumidification unit 112, a cargo inlet size identification unit 113, a plasma injection array 114 and a spraying unit 115;
the main killing channel 103 is positioned above the main killing channel supporting body 108, and the main killing channel 103 is fixedly connected with the main killing channel supporting body 108; two ends of the sterilizing main channel 103 are respectively connected with a goods inlet 101 and a goods outlet 107, and the goods inlet 101 is provided with a goods inlet size identification unit 113; the inside of the main sterilizing channel 103 is provided with a plasma injection array 114, a spraying unit 115 and a cooling unit 112, the spraying unit 115 is positioned between the plasma injection array 114 and the cooling unit 115, the plasma injection array 114 is close to the goods inlet, the cooling unit 115 is close to the goods outlet 107, and the plasma injection array 114 is connected with the high-voltage power supply 104.
The cargo inlet 101 is connected with the cargo inlet rotary preprocessing turntable 102, the cargo inlet rotary preprocessing turntable 102 is connected with the sterilizing main channel 103, the sterilizing main channel 103 is connected with the cargo outlet rotary post-processing turntable 106, the cargo outlet rotary post-processing turntable 106 is connected with the cargo outlet 107, and the above channels complete the complete transmission of cargos.
The cargo inlet size recognition unit 113 is connected to the cargo inlet 101, and is used for recognizing the size of the cargo and further controlling the movement of the plasma array bracket.
The rotary pretreatment turnplate 102 of the cargo inlet comprises an exhaust unit 201 of the rotary pretreatment turnplate of the cargo inlet, a pushing mechanism 204 of the rotary pretreatment turnplate of the cargo inlet, a main cavity 201 of the rotary pretreatment turnplate of the cargo inlet, cargo conveying cells 205 of the rotary pretreatment turnplate of the cargo inlet and a rotary motor 203 of the rotary pretreatment turnplate of the cargo inlet, wherein the main cavity 201 of the rotary pretreatment turnplate of the cargo inlet is internally provided with a rotary motor 203 of the rotary pretreatment turnplate of the cargo inlet, the pushing mechanism 204 of the rotary pretreatment turnplate of the cargo inlet and the cargo conveying cells 205 of the rotary pretreatment turnplate of the cargo inlet, the rotary motor 203 of the rotary pretreatment turnplate of the cargo inlet provides power for the cargo conveying cells 205 of the rotary pretreatment turnplate of the cargo inlet, the cargo conveying cells 205 of the rotary pretreatment turnplate of the cargo inlet rotate in the rotary pretreatment turnplate 102 of the cargo inlet, and the rotary motor 203 of the rotary pretreatment turnplate of the cargo inlet is positioned at the center of the circle, the rotatory preliminary treatment carousel goods transport unit check 205 of mouth of stocking equally distributes in the inside of the rotatory preliminary treatment carousel 102 of mouth of stocking in the circumferencial direction, the rotatory preliminary treatment carousel rotating electrical machines 203 of mouth of stocking is connected with the rotatory preliminary treatment carousel goods transport unit check 205 of mouth of stocking through the rotatory preliminary treatment carousel pushing mechanism 204 of mouth of stocking, the top of the rotatory preliminary treatment carousel main cavity body 201 of mouth of stocking is equipped with the rotatory preliminary treatment carousel exhaust unit 201 of mouth of stocking, the rotatory preliminary treatment carousel exhaust unit 201 of mouth of stocking is connected with exhaust gas treatment unit 111. The goods inlet rotary pretreatment turnplate main cavity 201 is internally sealed between the goods conveying unit cells 205 of the goods inlet rotary pretreatment turnplate. The inlet rotary preprocessing turntable rotating motor 203 is used for rotation of the inlet rotary preprocessing turntable 102. The number of the cargo conveying unit cells 205 of the cargo inlet rotary pretreatment turntable is 6, and the number of the cargo exhausting unit cells 201 of the cargo inlet rotary pretreatment turntable is 3. When the cargo inlet rotary pretreatment turntable cargo conveying unit cell 205 rotates to the position below the cargo inlet rotary pretreatment turntable exhaust unit 201, the exhaust gas enters the exhaust gas treatment unit through the cargo inlet rotary pretreatment turntable exhaust unit 201.
The sterilizing channel supporting body 108 is provided with a cargo conveying mechanism 110, and the cargo conveying mechanism 110 is connected with the cargo inlet 101, the cargo inlet rotary preprocessing turntable 102, the sterilizing main channel 103, the plasma injection array 114, the cargo outlet rotary post-processing turntable 106 and the cargo outlet 107.
The plasma injection array 114 is connected with the killing main channel 103 and the high-voltage power supply 104. The plasma implant array 114 is generated by an array plasma generator. The main killing channel 103 is a cuboid, and the plasma injection array 114 and the spraying unit 115 can be located on four sides of the main killing channel 103, namely the top surface, the bottom surface, the front side surface and the back side surface. The array type plasma generator is formed by arranging a plurality of plasma generators in an array manner, the plasma generators are connected with a plasma array support, the plasma array support is connected with an action unit, the action unit is used for controlling the movement of the plasma array support, the plasma array support can realize the three-dimensional movement of the plasma generators through the control of the action unit, and therefore the adjustment of the vertical position and the horizontal position of the plasma injection array 114 can be realized, and the density degree of the plasma generators can be adjusted. The cargo size (including length, width, and height) is identified by the cargo inlet size identifying unit 113. If the height of the goods changes within a certain range, the vertical distance between the plasma generator of the plasma injection array 114 and the goods can be adaptively adjusted through the plasma array bracket and the action unit which are positioned above the top surface of the sterilizing main channel 103 according to the height of the goods identified by the goods inlet size identification unit 113; if the width of the goods changes within a certain range, the horizontal distance between the plasma generator of the plasma injection array 114 and the goods can be adaptively adjusted through the plasma array supports on the left side and the right side and the action units according to the width of the goods identified by the goods inlet size identification unit 113. If the length of the goods changes within a certain range, the density degree of the plasma generators of the plasma injection array 114 is adaptively adjusted through the plasma array supports and the action units in four directions (top surface, bottom surface, front side surface and back side surface) according to the length of the goods identified by the goods inlet size identification unit 113.
The plasma generator is used as a core component of a plasma channel sterilization system, and a jet plasma generator is preferably used, but the plasma generator is not limited to the plasma generator, and corona or dielectric barrier discharge can be used. The plasma generator is powered using the high voltage power supply 104.
The high voltage power supply 104 is connected to the plasma array to provide power to the plasma array, preferably using a high voltage high frequency ac power supply. The main sterilizing channel 103 is also connected with a shielding gas unit 105, an exhaust gas treatment unit 111 and a waste water recovery unit 109 respectively.
The gas used by the shielding gas unit 105 may be ozone, which mainly achieves the maintenance of the killing factors of the plasma long-acting species. The shielding gas of the shielding gas unit 105 enters the sterilizing main channel 103, passes through the exhaust unit of the inlet rotary pretreatment rotating disc 102 and the outlet rotary post-treatment rotating disc 106, and then passes through the exhaust gas treatment unit 111. The exhaust gas treatment unit 111 includes a blower, a pipeline, and an ozone decomposer. The exhaust gas treatment unit 111 is used to treat the exhaust gas generated during the plasma discharge process. The liquid used by the spray unit 115 is plasma activated water. The wastewater recovery unit 109 mainly realizes the discharge of wastewater. The dehumidification unit 112 mainly functions to reduce the humidity of the cargo.
Example 2
As shown in fig. 4, a channel type plasma killing system with adaptive cargo size mainly includes: an inlet 101, a sterilizing main channel 103, a high-voltage power supply 104, a shielding gas unit 105, an outlet 107, a wastewater recovery unit 109, a sterilizing channel support body 108, a cargo conveying mechanism 110, an exhaust gas treatment unit 111, a dehumidification unit 112, an inlet size identification unit 113, a plasma injection array 114 and a spraying unit 115;
the main killing channel 103 is positioned above the main killing channel supporting body 108, and the main killing channel 103 is fixedly connected with the main killing channel supporting body 108; two ends of the sterilizing main channel 103 are respectively connected with a goods inlet 101 and a goods outlet 107, and the goods inlet 101 is provided with a goods inlet size identification unit 113; the inside of the main sterilizing channel 103 is provided with a plasma injection array 114, a spraying unit 115 and a cooling unit 112, the spraying unit 115 is positioned between the plasma injection array 114 and the cooling unit 115, the plasma injection array 114 is close to the goods inlet, the cooling unit 115 is close to the goods outlet 107, and the plasma injection array 114 is connected with the high-voltage power supply 104.
The goods inlet 101 is connected with the sterilizing main channel 103, the sterilizing main channel 103 is connected with the goods outlet 107, and the above channels complete the complete transmission of goods.
The cargo inlet size recognition unit 113 is connected to the cargo inlet 101, and is used for recognizing the size of the cargo and further controlling the movement of the plasma array bracket.
The sterilizing passage supporting body 108 is provided with a cargo transfer mechanism 110, and the cargo transfer mechanism 110 is connected to the input port 101, the sterilizing main passage 103, the plasma injection array 114, and the output port 107.
The plasma injection array 114 is connected with the killing main channel 103 and the high-voltage power supply 104. The plasma implant array 114 is generated by an array plasma generator. The main killing channel 103 is a cuboid, and the plasma injection array 114 and the spraying unit 115 can be located on four sides of the main killing channel 103, namely the top surface, the bottom surface, the front side surface and the back side surface. The array type plasma generator is formed by arranging a plurality of plasma generators in an array manner, the plasma generators are connected with a plasma array support, the plasma array support is connected with an action unit, the action unit is used for controlling the movement of the plasma array support, the plasma array support can realize the three-dimensional movement of the plasma generators through the control of the action unit, and therefore the adjustment of the vertical position and the horizontal position of the plasma injection array 114 can be realized, and the density degree of the plasma generators can be adjusted. The cargo size (including length, width, and height) is identified by the cargo inlet size identifying unit 113. If the height of the goods changes within a certain range, the vertical distance between the plasma generator of the plasma injection array 114 and the goods can be adaptively adjusted through the plasma array bracket and the action unit which are positioned above the top surface of the sterilizing main channel 103 according to the height of the goods identified by the goods inlet size identification unit 113; if the width of the goods changes within a certain range, the horizontal distance between the plasma generator of the plasma injection array 114 and the goods can be adaptively adjusted through the plasma array supports on the left side and the right side and the action units according to the width of the goods identified by the goods inlet size identification unit 113. If the length of the goods changes within a certain range, the density degree of the plasma generators of the plasma injection array 114 is adaptively adjusted through the plasma array supports and the action units in four directions (top surface, bottom surface, front side surface and back side surface) according to the length of the goods identified by the goods inlet size identification unit 113.
The plasma generator, which is a core component of the plasma channel killing system, uses a jet plasma generator that is powered using the high voltage power supply 104.
The high voltage power supply 104 is connected to the plasma array to provide energy to the plasma array, and uses a high voltage high frequency ac power supply. The main sterilizing channel 103 is also connected with a shielding gas unit 105, an exhaust unit and a waste water recovery unit 109 respectively, and the exhaust unit is connected with a waste gas treatment unit 111.
The gas used by the shielding gas unit 105 may be ozone, which mainly achieves the maintenance of the killing factors of the plasma long-acting species. The shielding gas of the shielding gas unit 105 enters the sterilizing main channel 103, passes through the exhaust unit of the inlet rotary pretreatment rotating disc 102 and the outlet rotary post-treatment rotating disc 106, and then passes through the exhaust gas treatment unit 111. The exhaust gas treatment unit 111 includes a blower, a pipeline, and an ozone decomposer. The exhaust gas treatment unit 111 is used to treat the exhaust gas generated during the plasma discharge process. The liquid used by the spray unit 115 is plasma activated water. The wastewater recovery unit 109 mainly realizes the discharge of wastewater. The dehumidification unit 112 mainly functions to reduce the humidity of the cargo.
Example 3
In this embodiment, taking the surface sterilization of the article in the standard packaging box as an example, the adaptive cargo size channel type plasma sterilization system described in embodiment 1 is adopted, and the specific working process is as follows: the device provides electric energy for the rotary pretreatment turnplate 102 of the goods inlet, the size identification unit 113 of the goods inlet, the plasma array bracket, the high-voltage power supply 104, the protective gas unit 105, the spraying unit 115, the goods conveying mechanism 110 and the rotary post-treatment turnplate 106 of the goods outlet through an external power supply. The cargo conveying mechanism 110 is started, the spraying unit 115 is started, the high-voltage power supply 104 is started, the shielding gas unit 105 is started, the cargo inlet rotating pretreatment turntable exhaust unit 202 and the cargo outlet rotating post-treatment turntable exhaust unit 602 are started. Goods are fed into the inlet 101, and the size is manually input through the inlet size recognition unit 113 to control the movement of the plasma array support, thereby controlling the position of the plasma injection array 114. Goods sequentially enter the goods inlet rotary pretreatment turntable 102, enter the main killing channel through the pushing mechanism, and are subjected to plasma killing and spraying killing; the cargo transfer mechanism 110 is preferably a drum structure at this time, and the exhaust air entering the inlet rotating pre-treatment turntable 102 is exhausted through the exhaust unit. After the goods are sterilized, the goods enter the goods outlet to rotate the post-processing turntable 106 and then are sent to the goods outlet 107, and waste gas is exhausted through an exhaust unit of the goods outlet rotating post-processing turntable 106; the waste water is discharged through the waste water recovery unit 109, and the goods are taken out.
Example 4
In this embodiment, bulk goods surface sterilization is taken as an example, the adaptive cargo size channel type plasma sterilization system described in embodiment 1 is adopted, the form of the cargo conveying mechanism 110 is changed into a stainless steel grid, a vibration mechanism is adopted, a plasma jet generator with an adaptive cargo size is adopted, or a spray unit is used to generate plasma activated water to sterilize bulk goods.
It should be appreciated that the system is not limited in size and is still adaptable for surface sterilization in the form of shipping containers and the like.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An adaptive cargo size passage type plasma abatement system comprising: the water-removing and killing device comprises a water-removing and killing main channel and a water-removing and killing channel supporting main body, wherein the water-removing and killing main channel is positioned above the water-removing and killing channel supporting main body and is fixedly connected with the water-removing and killing channel supporting main body;
two ends of the sterilizing main channel are respectively connected with a goods inlet and a goods outlet, and the goods inlet is provided with a goods inlet size identification unit;
a plasma injection array and/or a spraying unit and a cooling unit are arranged inside the killing main channel, the plasma injection array and/or the spraying unit is close to the goods inlet, the cooling unit is close to the goods outlet, and the plasma injection array is connected with a high-voltage power supply;
the plasma injection array is generated by an array plasma generator.
2. The adaptive cargo size channel-type plasma killing system according to claim 1, further comprising a cargo inlet rotary pre-processing turntable and a cargo outlet rotary post-processing turntable, wherein the cargo inlet rotary pre-processing turntable is located between a cargo inlet and a killing main channel, the rotary pre-processing turntable is connected with the killing main channel, the cargo inlet is connected with the cargo inlet rotary pre-processing turntable, the rotary pre-processing turntable is located between the killing main channel and the cargo outlet, the killing main channel is connected with the cargo outlet rotary post-processing turntable, and the cargo outlet rotary post-processing turntable is connected with the cargo outlet.
3. The adaptive cargo size channel-type plasma killing system according to claim 1, wherein the cargo inlet rotary pretreatment turntable comprises an exhaust unit, a pushing mechanism, a main cavity, a cargo conveying cell and a rotary motor, the pushing mechanism and the cargo conveying cell are arranged inside the main cavity, the rotary motor is connected with the cargo conveying cell through the pushing mechanism, and the exhaust unit is arranged at the top of the main cavity;
the rotary post-processing turntable of the goods outlet comprises an exhaust unit, a pushing mechanism, a main cavity body, goods conveying unit lattices and a rotary motor, wherein the rotary motor, the pushing mechanism and the goods conveying unit lattices are arranged inside the main cavity body, the rotary motor is connected with the goods conveying unit lattices through the pushing mechanism, and the exhaust unit is arranged at the top of the main cavity body.
4. The adaptive cargo size channel type plasma killing system according to claim 1, wherein the pushing mechanism comprises a pushing rod, a pushing plate, a slope, a positioning column and a gravity sensor, the pushing plate, the slope and the positioning column are located inside the cargo conveying unit cell, the gravity sensor is located outside the cargo conveying unit cell, the pushing plate is located at one end of the cargo conveying unit cell, the positioning column is located at the other end of the cargo conveying unit cell, the slope is located at the bottom of the cargo conveying unit cell, the gravity sensor is located below the slope, the slope is fixedly connected with the cargo conveying unit cell, the pushing rod is fixedly connected with the pushing plate, the pushing plate is slidably connected with the slope, and the positioning column is telescopically connected with the cargo conveying unit cell; the top surface of the goods conveying unit grid and the end surface close to the positioning column are provided with openings.
5. The adaptive cargo size passage-type plasma killing system according to claim 1 or above, wherein the array-type plasma generator is formed by arranging a plurality of plasma generators in an array, the plasma generators are connected to a plasma array support, and the plasma array support is connected to the action unit.
6. The adaptive cargo size channel-type plasma killing system according to claim 1 or 3, wherein the main killing channel is further connected with a shielding gas unit, an exhaust gas treatment unit and a wastewater recovery unit, respectively; the exhaust unit is connected with the exhaust gas treatment unit.
7. The adaptive cargo size channel-type plasma abatement system of claim 1, wherein the spray unit is located between the plasma injection array and the temperature reduction unit.
8. The adaptive cargo size passage-type plasma killing system according to claim 1 or 2, wherein the killing passage support body is provided with a cargo conveying mechanism, and the cargo conveying mechanism is connected with the cargo inlet, the cargo inlet rotary pre-processing turntable, the killing main passage, the plasma injection array, the cargo outlet rotary post-processing turntable, and the cargo outlet.
9. The adaptive cargo size passage-type plasma abatement system of claim 1, wherein the plasma injection array, spray unit are located on at least one of the four sides of the main abatement passage, top, bottom, front and rear sides.
10. The adaptive cargo size channel-type plasma killing system according to claim 2, wherein the inlet rotary pre-treatment turntable and the outlet rotary post-treatment turntable are replaced with an exhaust unit, and the exhaust unit is connected to an exhaust gas treatment unit.
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