CN218045920U

CN218045920U - Tunnel type plasma sterilizing equipment

Info

Publication number: CN218045920U
Application number: CN202221158617.2U
Authority: CN
Inventors: 章建浩; 万京林; 徐龙; 沈德红
Original assignee: Nanjing Suman Plasma Engineering Research Institute Co ltd; Suzhou Yirun Food Technology Co Ltd
Current assignee: Nanjing Suman Plasma Engineering Research Institute Co ltd; Suzhou Yirun Food Technology Co Ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-12-16
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a tunnel type plasma killing device, which comprises a conveying belt and a killing device, wherein the killing device comprises a processing chamber for the conveying belt to pass through; the device comprises a processing chamber, and is characterized in that a plurality of groups of killing units are arranged in the processing chamber, the killing units surround a killing channel for articles to be killed to pass through, each group of killing units comprises a plasma generator, an ultraviolet lamp tube and a fan, and the fan is positioned on the outer sides of the plasma generator and the ultraviolet lamp tube and used for blowing airflow to electrodes of the plasma generator. The utility model provides a current disinfecting equipment has the disinfection blind spot easily, and the bactericidal effect is poor, inefficiency, the big problem of potential safety hazard.

Description

Tunnel type plasma equipment of killing that disappears

Technical Field

The utility model belongs to the technical field of plasma disinfection, concretely relates to tunnel type plasma equipment of killing that disappears.

Background

Some daily articles contact with various bacteria and viruses in the environment, and need to be disinfected in time when in use, so as to avoid threatening human health due to virus contact. The existing conventional disinfection mode is to spray alcohol or disinfectant on articles, the disinfection operation efficiency is low, the structure of spraying equipment is complex, a liquid supply system, a spraying system and the like need to be arranged, and certain potential safety hazards exist when the alcohol concentration in the air is high; wet sterilization has certain damage to articles, and is easy to have a disinfection dead zone, and the sterilization effect is poor.

The low-temperature plasma sterilization technology is characterized in that short-life active species generated by micro-discharge under atmospheric pressure act with microorganisms indirectly or directly to destroy the organic structures of the microorganisms on a molecular level and break the metabolic balance of the microorganisms instantly, so that high-efficiency sterilization is realized, and the low-temperature plasma sterilization technology has the characteristics of environmental protection, safety and quick sterilization.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tunnel type plasma equipment of killing that disappears to it has the disinfection blind spot easily to solve current disinfecting equipment, and bactericidal effect is poor, the big problem of potential safety hazard.

A tunnel type plasma sterilizing device comprises a conveying belt and a sterilizing device, wherein the sterilizing device comprises a processing chamber for the conveying belt to pass through; the device is characterized in that a plurality of groups of killing units are arranged in the treatment chamber, the groups of killing units enclose a killing channel for articles to be killed to pass through, each group of killing units comprises a plasma generator, an ultraviolet lamp tube and a fan, and the fan is positioned on the outer sides of the plasma generator and the ultraviolet lamp tube and used for blowing airflow to electrodes of the plasma generator.

Preferably, the inlet side and the outlet side of the treatment chamber are both provided with a transition chamber communicated with the treatment chamber, and the top of the transition chamber is provided with an axial flow fan.

Preferably, gas curtains are installed on the front side of the transition chamber on the inlet side and the rear side of the transition chamber on the outlet side, and are used for preventing the leakage of the plasma gas.

Preferably, the conveyer belt is a roller conveyer belt, and a group of killing units is arranged below the conveyer belt.

Furthermore, a power supply is installed at the bottom of the treatment chamber and electrically connected with the plasma generator, the ultraviolet lamp tube and the fan, and a partition board is installed above the power supply in the treatment chamber and used for separating the killing unit from the power supply.

Preferably, the ultraviolet lamp tube is located inside the plasma generator.

Preferably, each set of killing unit comprises a plurality of fans which are arrayed in the same plane, and the air outlet area of each fan covers the plasma generator.

Preferably, the killing units are respectively arranged on the upper direction, the lower direction, the left direction and the right direction of the article, and the killing units are fixed by the bracket.

Preferably, a plurality of killing unit groups are installed in the processing chamber along the path direction of the killing passage.

The beneficial effects of the utility model are that:

the utility model has the advantages that the killing units are arranged in the treatment chamber, the plurality of groups of killing units are distributed around the articles to form a killing channel, and the articles are killed by multi-directional airflow, so that killing dead areas are reduced, and the killing effect is better; the operation at normal temperature and normal pressure is adopted to replace the alcohol spraying, so that the potential safety hazard is small.

Each group of killing units comprises a plasma generator, an ultraviolet lamp tube and a fan, and electrodes of the plasma generator and ultraviolet rays kill simultaneously, so that the killing efficiency is improved. The fan blows airflow to the electrode of the plasma generator, and new plasma gas is continuously generated to kill the articles.

The utility model discloses a tunnel type mode of killing that disappears, at the both ends installation axial fan of process chamber, along with article remove on the conveyer belt, inhale exhaust duct with the gas that partly fresh air and process chamber overflowed through the axial fan of entrance side, partly fresh air gets into the process chamber, mixes with the plasma atmosphere gas in the process chamber, blows to the electrode of plasma processor by the fan again, produces new plasma gas, kills article. At the same time, as the articles move on the conveyor belt, a portion of the gas is carried out of the treatment chamber and exhausted by an axial fan on the outlet side. The structure forms stable airflow circulation from the outside of the channel to the inside of the channel, and the air is ventilated in time, so that the reliable and efficient operation of the equipment is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the treatment chamber of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

Labeled as: 1. a conveyor belt; 2. a processing chamber; 3. a killing unit; 4. a support; 5. a plasma generator; 6. an ultraviolet lamp tube; 7. a fan; 8. a transition chamber; 9. an air curtain; 10. an axial flow fan; 11. a power source; 12. a partition plate; 13. an article.

Detailed Description

As shown in fig. 1 to 3, a tunnel type plasma sterilizing apparatus includes a conveyor belt 1 and a sterilizing device. The conveying belt 1 is a roller type conveying belt 1, and the distance between rollers is favorable for gas to flow upwards rapidly through the conveying roller.

As shown in fig. 1, the sterilizing device includes a processing chamber 2 for the conveyor belt 1 to pass through, the processing chamber 2 is basically a closed structure, and a plurality of groups of sterilizing units 3 are arranged in the processing chamber 2. As shown in fig. 2, the plurality of groups of killing units 3 define a killing channel for the articles 13 to be killed to pass through, for example, the four groups of killing units 3 are respectively located on the upper side, the lower side, the left side and the right side of the articles 13 to kill the articles 13 in four directions, and simultaneously the plasma gas in the processing chamber 2 is dispersed to the front side and the rear side of the articles 13 to kill the articles in all directions. One group of the killing units 3 is positioned at the lower side of the conveying roller, and the conveying roller is not influenced to convey articles. The sterilizing unit 3 is fixed in the processing chamber 2 by a bracket 4.

Specifically, each set of killing units 3 includes a plasma generator 5, an ultraviolet lamp tube 6 and a fan 7, the fan 7 is located outside the plasma generator 5, the plasma generator 5 is located outside the ultraviolet lamp tube 6, and the fan 7 blows an air flow to an electrode of the plasma generator 5, so that a new plasma gas is generated and then blown to the article 13.

As shown in fig. 3, each set of killing unit 3 includes a plurality of fans 7 arranged in an array in the same plane, and the air outlet area of the fan 7 covers the plasma generator 5, so as to blow the gas to the plasma generator 5 more efficiently and uniformly, thereby increasing the output of the plasma gas.

As shown in fig. 1, a transition chamber 8 communicated with the treatment chamber 2 is installed on both the inlet side and the outlet side of the treatment chamber 2, an axial flow fan 10 is installed on the top of the transition chamber 8, the axial flow fan 10 is installed along the vertical direction, and the air outlet of the axial flow fan faces upward and is connected with an exhaust duct. The axial fan 10 at the inlet side sucks a part of fresh air and gas overflowing from the processing chamber 2 into the exhaust pipeline, and a part of fresh air directly enters the processing chamber 2, is mixed with the plasma atmosphere gas in the processing chamber 2, and is blown to the electrode of the plasma processor by the fan 7 to kill and kill the articles 13.

Wherein, the control panel is arranged outside the treatment chamber, and the control panel can be operated to control the rotating speed of the fan 7, so as to form airflow circulation inside and outside the sterilizing channel, fully utilize the effective components in the treated gas, improve the sterilizing efficiency and reduce the energy consumption. The rotating speed of the axial flow fan 10 can be controlled, the air flow balance inside and outside the treatment chamber 2 is ensured, and the workshop is prevented from being polluted due to the overflow of the air.

Air curtains 9 are installed on both the front side of the inlet-side transition chamber 8 and the rear side of the outlet-side transition chamber 8, and the articles 13 enter the transition chamber 8 through the air curtains 9, and the air curtains 9 prevent leakage of the plasma processing gas in the processing chamber 2.

As shown in fig. 2, a power source 11 is installed at the bottom of the processing chamber 2, and the power source 11 is electrically connected to the plasma generator 5, the ultraviolet lamp 6 and the fan 7 to supply power thereto. A partition plate 12 is arranged above the power supply 11 in the treatment chamber 2, and the partition plate 12 separates the killing unit 3 from the power supply 11 and protects electric elements at the lower part of the partition plate 12 from gas corrosion.

As shown in fig. 1, the four killing units at the upper, lower, left and right sides are a killing unit group, and a plurality of killing unit groups, in this embodiment, five killing unit groups, are installed in the treatment chamber 2 along the path direction of the killing passage. A killed article 13 is output to the treatment chamber 2 after five units of strong killing, and enters the next treatment process. The articles 13 are serially connected in the sterilizing channel for sterilizing, so that the overall sterilizing time is ensured, the sterilizing effect is ensured, a plurality of articles can be sterilized simultaneously, and the overall sterilizing speed is improved.

The working process of the equipment is as follows: the power supply 11 of the conveyer belt 1 and other electrical components is started, a plurality of articles 13 are sequentially placed on the conveyer belt 1, are sent into the transition chamber 8 by the conveyer belt 1 and then enter the treatment chamber 2 to be subjected to omnibearing sterilization and killing through the sterilization and killing channel, and are sent out of the treatment chamber 2 through the transition chamber 8 at the outlet side after the forced sterilization and killing of the five sterilization and killing units 3 in sequence.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tunnel type plasma sterilizing device comprises a conveying belt and a sterilizing device, wherein the sterilizing device comprises a processing chamber for the conveying belt to pass through; the device is characterized in that a plurality of groups of killing units are arranged in the treatment chamber, the groups of killing units form a killing channel for articles to be killed to pass through, each group of killing units comprises a plasma generator, an ultraviolet lamp tube and a fan, and the fan is positioned on the outer sides of the plasma generator and the ultraviolet lamp tube and used for blowing airflow to electrodes of the plasma generator.

2. The tunnel type plasma sterilization apparatus as set forth in claim 1, wherein a transition chamber communicating with the treatment chamber is installed at both the inlet side and the outlet side of the treatment chamber, and an axial flow fan is installed at the top of the transition chamber.

3. The tunnel type plasma sterilizer as claimed in claim 2, wherein gas curtains are installed at both the front side of the inlet-side transition chamber and the rear side of the outlet-side transition chamber for preventing leakage of the plasma gas in the transition chamber.

4. The tunnel plasma sterilizer of claim 1, wherein the conveyor belt is a roller conveyor belt, and a set of sterilizer units is installed below the conveyor belt.

5. The tunnel type plasma killing apparatus according to claim 1, wherein a power supply is installed at the bottom of the treatment chamber, the power supply is electrically connected to the plasma generator, the ultraviolet lamp tube and the fan, and a partition plate is installed above the power supply in the treatment chamber and separates the killing unit from the power supply.

6. The tunnel plasma sterilizer of claim 1, wherein the ultraviolet lamp tube is located inside the plasma generator.

7. The tunnel plasma sterilizer of claim 1, wherein each set of sterilizer units comprises a plurality of fans arranged in an array in the same plane, the fans having an air outlet area covering the plasma generator.

8. The tunnel plasma sterilizer of any one of claims 1 to 7, wherein the sterilizer is installed in four directions of up, down, left, and right of the article, respectively, and the sterilizer is fixed by a bracket.

9. The tunnel plasma sterilization apparatus as claimed in any one of claims 1 to 7, wherein a plurality of sterilization unit groups are installed in the treatment chamber along a path direction of the sterilization passage.