KR101203685B1 - Device and method for sterilizing old book - Google Patents

Abstract

An old book sterilization apparatus and method capable of sterilizing old books using a plasma jet are disclosed. The old book sterilization apparatus and method include a processing chamber having a closed processing space for placing old books, and a plasma supply for supplying a plasma jet inside the processing space, and the old book is sterilized by the plasma jet. .

Description

Old book sterilization apparatus and method {DEVICE AND METHOD FOR STERILIZING OLD BOOK}

The present invention relates to an old book sterilization apparatus and method, and more particularly, to an old book sterilization apparatus and method capable of sterilizing old books using a plasma jet.

In general, booklets such as old books can be contaminated by various germs and dusts while passing through the hands of various users during storage and use. As a result, booklets can breed various germs and molds.

As described above, opportunistic infectious bacteria such as fungi, microbacteria, and viruses that propagate in booklets can cause diseases of users who come in contact with the booklets, and therefore, the booklets must be sterilized periodically.

In addition, various bacteria and fungi that propagate in booklets may shorten the lifespan of booklets and cause damage to booklets. Therefore, in order to store books for a long time, the booklets should be sterilized. In particular, in order to store old books for long periods without damage, they must be sterilized before storage.

Accordingly, in recent years, various attempts have been made to sterilize various bacteria and fungi that propagate in booklets. As a sterilization method for sterilizing a booklet, there is a sterilization method using chemicals, heating, and the like.

As one of the conventional sterilization method for sterilizing booklets, the method using the drug is a method of sterilizing bacteria and fungi that propagate in the booklet using the drug, bacteria and breeding in the booklet using a variety of drugs and Mold can be removed, but the drug may affect human health, the drug itself has a problem that causes environmental pollution.

As another method of sterilization for sterilizing booklets, a method using heating is a method of sterilizing bacteria and fungi that propagate in booklets by applying heat to the booklets. However, the method using heating has a problem that the treatment process is cumbersome and complicated, and the booklet itself may be damaged by the heat applied to the booklet.

Accordingly, in recent years, some measures for the sterilization apparatus for improving the sterilization efficiency and reducing the processing time and cost have been proposed, but the development is still urgently required.

The present invention provides an old book sterilization apparatus and method that can effectively sterilize various bacteria and fungi breeding on old books.

In particular, the present invention provides an old paper sterilization apparatus and method which can improve sterilization efficiency by using a plasma jet and can shorten the time required for sterilization treatment.

The present invention also provides an old paper sterilization apparatus and method capable of stably and continuously supplying a plasma for sterilizing old books.

In addition, the present invention provides a method and apparatus for sterilizing old books which is simple in structure and which can minimize power consumption and reduce maintenance costs.

According to a preferred embodiment of the present invention for achieving the above objects of the present invention, the old book sterilization apparatus and method are provided in a processing chamber having a closed processing space for placing old books, and outside the processing chamber and inside the processing space. A plasma supply for supplying a plasma jet to the plasma jet, and the old book is sterilized by the plasma jet.

The shape and structure of the process chamber can be variously modified according to the required conditions and design specifications. In addition, a seat may be provided inside the processing chamber for mounting and supporting the book. The seating part may be provided such that the open page of the book is disposed upward, downward, or laterally according to the required conditions and design specifications.

For reference, in the present invention, an old book means a book in which a plurality of media such as paper or a written or printed paper are bundled, and the present invention is not limited or limited by the type and characteristics of the old book.

As the plasma supply unit, various plasma supply units capable of supplying plasma as a high speed jet into the process chamber can be used. For example, the plasma supply unit includes a first electrode having a through hole, a second electrode spaced apart from the first electrode to form a plasma chamber in cooperation with the first electrode, and a gas supply unit supplying gas to the plasma chamber. The plasma jet generated in the plasma chamber may be provided into the process chamber along the through hole. In addition, the second electrode may include a protrusion disposed adjacent to the through hole, and plasma between the first electrode and the second electrode may occur around the through hole.

One of the first electrode and the second electrode may be a high voltage electrode, and the other of the first electrode and the second electrode may be a ground electrode. For example, the first electrode may be a ground electrode and the second electrode may be a high voltage electrode. A high voltage power may be applied to the second electrode, and a small low capacity power supply may be used as a power supply for applying power to the second electrode.

Conventional air may be used as the gas supplied from the gas supply unit, and in some cases, functional gases such as oxygen and nitrogen may be used together or alone.

A gas chamber may be formed in the first electrode to be spaced apart from the plasma chamber, and a plurality of gas guide holes may be formed in the partition wall between the gas chamber and the plasma chamber. Therefore, the gas supplied from the gas supply part to the gas chamber may be supplied to the plasma chamber through the gas guide hole. Here, the gas guide hole may be formed to be inclined at a predetermined angle, so that the gas passing through each gas guide hole may swing inside the plasma chamber and form a vortex such as a vortex. The amount of gas supplied from the gas supply unit may be variously changed depending on the required conditions and the processing environment.

Only one plasma supply may be provided in the process chamber, or alternatively, a plurality of plasma supplies may be provided at various locations. In addition, the plasma jet supplied to the plasma supply unit may be configured to be directly provided to the old book, but alternatively, the plasma jet supplied from the plasma supply unit may be configured to be provided to the old book indirectly after being bypassed or moved along a predetermined path. .

In addition, an automatic page turning unit may be provided inside the processing chamber for automatically turning pages of the old book seated on the seating unit. As the automatic page turning unit, a conventional turning device capable of turning pages in units of sheets may be used. For example, the automatic page turning unit may be configured to include a page turning roller that is provided to be movable vertically and horizontally so that pages are turned in sheets. In some cases, a bar-shaped turning member may be used instead of the page turning roller.

According to another preferred embodiment of the present invention, the old book sterilization method for sterilizing old books is disposed in a closed processing space, and a plasma jet generated by plasma discharge generated in the gas. Supplying inside the processing space, wherein the old book is sterilized by a plasma jet. In addition, during the sterilization process by the plasma jet may further include the step of automatically turning (turning page) of the book in sheets.

According to the old book sterilization apparatus and method according to the present invention, various bacteria and fungi propagating on old books can be effectively sterilized.

In particular, according to the present invention, by supplying a plasma jet inside the processing chamber and by allowing various bacteria and fungi propagating on old books to be removed by the plasma jet, it is possible to effectively sterilize various bacteria and fungi propagating on old books without damaging old books. The time required for sterilization treatment can be shortened.

In addition, according to the present invention, since the plasma jet for sterilizing old books can be continuously and stably supplied without being intermittently or randomly supplied, the sterilization efficiency of old books can be maximized, and continuous processing without interruption of the sterilization process is possible. There is a possible advantage.

In addition, according to the present invention it is possible to exclude the use of hazardous chemicals, the use of the replaceable treatment member has the advantage of very easy maintenance, there is an effect that can reduce the cost.

In addition, while the old book is sterilized by the plasma jet according to the present invention, the old book can be turned in sheets by the automatic page turning unit, thereby maximizing the sterilizing effect by the plasma jet to the inner corner of the page of the old book. can do.

In addition, since the old book sterilization apparatus according to the present invention can be provided with a simple structure and relatively small, it can be freely applied to various places regardless of the mounting position and space.

1 is a view for explaining the old book sterilization apparatus according to the present invention.
2 and 3 is a view showing the structure of the old-fashioned sterilizing apparatus according to the present invention, the plasma generating unit.
4 is a diagram for explaining a processing by an automatic page turning unit as an old book sterilization apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments. In describing the present invention, a detailed description of well-known functions or constructions may be omitted for clarity of the present invention.

1 is a view for explaining the old book sterilization apparatus according to the present invention, Figures 2 and 3 is an old book sterilization apparatus according to the present invention, showing the structure of the plasma generating unit, Figure 4 is a book according to the present invention It is a figure for demonstrating the processing process by an automatic page turning part as a sterilization apparatus.

As shown in Figures 1 to 3, the old book sterilization apparatus according to the present invention includes a processing chamber 100 and the plasma supply unit 300.

The processing chamber 100 may be provided to have a processing space enclosed therein, and a book 10 may be disposed in the processing space. For reference, in the present invention, the closed processing space of the processing chamber 100 may be understood as a concept including a processing space in a vacuum state.

The shape and structure of the processing chamber 100 may be variously changed according to the required conditions and design specifications. In addition, the processing chamber 100 may be provided with an entrance (not shown) for access of the old book 10, and the entrance may be selectively opened and closed by a normal door (not shown).

In the processing chamber 100, a seating unit 110 may be provided for mounting and supporting the book 10. For example, the book 10 may be seated on the seating portion 110 so that the open page faces upward. In some cases, on the contrary, the open page of the old book may be seated downward, or alternatively, the open page may be seated facing the side.

In addition, one book may be sterilized in the treatment chamber, but in some cases, it is possible to configure several books to be sterilized simultaneously in the treatment chamber.

For reference, in the present invention, the old book 10 refers to a book in which a plurality of media, such as paper or paper written or printed, are bundled, and the present invention is limited by the type and characteristics of the old book 10. It is not limited or restricted.

The plasma supply unit 300 is provided to supply a plasma jet generated by a plasma discharge generated in a gas into the processing space of the processing chamber 100. For example, the plasma supply unit may be provided outside the processing chamber 100 to supply a plasma jet inside the processing space. In some cases, the plasma supply unit may be provided inside the processing chamber.

As the plasma supply unit 300, various plasma supply units 300 capable of supplying plasma to the interior of the processing chamber 100 as a high speed jet may be used. Hereinafter, the plasma supply unit 300 will be described with an example including the first electrode 310, the second electrode 320, and the gas supply unit 330.

The first electrode 310 may be provided to have a disc shape having a predetermined thickness, and a through hole 312 having a predetermined size penetrates through a center portion of the first electrode 310.

The second electrode 320 is spaced apart from the first electrode 310 at a predetermined interval to form a plasma chamber 302 cooperatively with the first electrode 310. The second electrode may be provided in the same or similar shape as the first electrode, and in some cases, the second electrode and the first electrode may be provided to have different shapes. Hereinafter, an example in which the second electrode 320 is provided to have a relatively smaller size than the first electrode 310 and coaxially arranged with the first electrode 310 based on the through hole 312 will be described. Let's do it.

In addition, a plasma between the first electrode 310 and the second electrode 320 may be generated in the vicinity of the through hole 312 so as to be adjacent to the through hole 312 at the center of the second electrode 320. A protrusion 322 may be formed, and the protrusion 322 may be disposed coaxially with the through hole 312. Substantially, plasma generation between the first electrode 310 and the second electrode 320 may be implemented at corners of the protrusion 322 and the through hole 312 closest to each other.

A general insulator such as a ceramic may be interposed between the first electrode 310 and the second electrode 320, and the second electrode 320 is surrounded by the insulator, and only a part of the first electrode is partially disposed. And may be exposed to 310.

In addition, any one of the first electrode 310 and the second electrode 320 may be a high voltage electrode, and the other one of the first electrode 310 and the second electrode 320 may be a ground electrode. Hereinafter, an example in which the first electrode 310 is a ground electrode and the second electrode 320 is a high voltage electrode will be described. Alternatively, the first electrode may be a high voltage electrode and the second electrode may be a ground electrode.

A high voltage power may be applied to the second electrode 320, and a small low capacity power supply 350 may be used as the power supply 350 that applies power to the second electrode 320. The small power supply unit 350 has an advantage of easy expansion and placement according to the processing environment.

The gas supply unit 330 is provided to supply gas to the plasma chamber 302. The gas supply unit 330 may be provided in various structures capable of supplying gas to the plasma chamber 302, and the structure of the gas supply unit 330 may be variously changed according to required conditions and design specifications. For example, the gas supply unit 330 may include a storage tank 332 in which gas is stored and a connection line (not shown) connecting the storage tank 332 and the plasma chamber 302, and the connection line may include a first electrode. It may be connected to the plasma chamber 302 in a structure penetrating the side of the 310. Conventional air may be used as the gas supplied from the gas supply unit 330, and in some cases, functional gases such as oxygen and nitrogen may be used together or alone.

As such, after generating plasma in the plasma chamber 302, when gas is supplied to the plasma chamber 302, a high-speed jet gas including a plasma body is generated. The plasma jet generated as described above may be supplied into the process chamber 100 along the above-described through hole 312. In addition, one end of the connecting portion 360 may be connected to the through hole 312, and the other end of the connecting portion 360 may be connected to the inside of the processing chamber 100. The plasma jet passing through the through hole 312 may be It may be supplied into the process chamber 100 along the connection portion 360.

In addition, a gas chamber 304 may be formed in the first electrode 310 to be spaced apart from the plasma chamber 302, and a plurality of partitions 306 may be formed in the partition wall 306 between the gas chamber 304 and the plasma chamber 302. The gas guide hole 306a may be formed. Therefore, the gas supplied from the gas supply part 330 to the gas chamber 304 may be supplied to the plasma chamber 302 through the gas guide hole 306a.

The gas chamber 304 may be provided to have a circular or other shape depending on the required conditions and design specifications. Hereinafter, an example in which the gas chamber 304 is formed to have a substantially ring shape will be described. In addition, the number and spacing interval of the gas guide hole 306a may also be appropriately changed according to required conditions and design specifications.

Here, the gas guide hole 306a may be formed to penetrate the partition wall 306 at a predetermined angle. Hereinafter, the four gas guide holes 306a will be described with an example inclined toward a direction corresponding to each other. Accordingly, the gas passing through each gas guide hole 306a may pivot inside the plasma chamber 302 and form a vortex like a vortex. As such, a vortex caused by a gas may be formed in the plasma chamber 302, and the plasma body generated at a corner of the protrusion 322 and the through hole 312 may have the protrusion 322 and the through hole by vortex. Move along the edge area of 312. As a result, since the plasma body can be moved along the vortex, the plasma generation at the corners of the protrusions 322 and the through holes 312 can be made evenly in the entire area (the entire area of the corresponding corners of the protrusions and the through holes) rather than a specific area. Can be. In addition, since the plasma body generated at the corners of the protrusion 322 and the through hole 312 can move along the vortex, it can be supplied to the process chamber 100 more quickly and stably.

In addition, the gas supply amount from the gas supply unit 330 may be variously changed according to the required conditions and processing environment, and the present invention is not limited or limited by the gas supply amount.

In addition, the processing chamber 100 may be provided with an automatic page turning unit 200 for automatically turning (turning page) the book 10 seated on the seating unit 110 in a sheet unit. That is, as shown in FIG. 4, while the plasma jet is supplied to the processing space, the book 10 seated on the seating unit 110 may be automatically turned over by the automatic page turning unit 200 at a predetermined time difference. Because of this, the sterilization effect by the plasma jet to the inner corner of the page can be maximized.

As the automatic page turning unit 200, a conventional turning device capable of turning pages in units of sheets may be used. For example, as the automatic page turning unit, a turning device used in a general deposit or withdrawal machine or a printing machine may be used, and the present invention is not limited or limited by the structure and characteristics of the automatic page turning unit 200. Hereinafter, the automatic page turning unit 200 includes a page turning roller which is provided to be movable vertically and horizontally, and is configured such that the book can be turned from right to left (or vice versa) by sheet turning unit by the turning roller. It will be described with an example. In some cases, a bar-shaped turning member may be used instead of the page turning roller.

On the other hand, the number and arrangement position of the above-described plasma supply unit may be appropriately changed according to the required conditions and the processing environment. In the exemplary embodiment of the present invention, a plurality of plasma supply units are provided on the sidewalls and the upper side of the process chamber, but in some cases, only one plasma supply unit may be provided, or three or more plasma supply units may be provided at various positions. Can be.

In addition, although the embodiment of the present invention has been described by way of example in which the plasma jet supplied to the plasma supply unit is provided directly to the old book 10, in some cases, the plasma jet supplied from the plasma supply unit is bypassed along a predetermined path or It can be configured to be provided indirectly after being moved.

As described above, as the high voltage power is applied to the second electrode 320, plasma discharge may be generated between the first electrode 310 and the second electrode 320, and the plasma including the plasma body may be formed. The jet may be supplied to the processing chamber 100 to remove various bacteria and fungi propagating in the old book 10.

As described above, in the present invention, various bacteria and molds propagated on old books can be treated using the plasma jet supplied from the plasma supply unit, so that sterilization efficiency of old books can be improved. In addition, the present invention can maximize the sterilization efficiency of the old book because the plasma jet for sterilizing the old book can be supplied continuously and stably without being intermittently or randomly supplied.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and variations of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

100: processing chamber 200: automatic page turning part
300: plasma supply unit 310: first electrode
320: second electrode 330: gas supply unit

Claims (8)

A processing chamber having an enclosed processing space for placing old books; And
A plasma supply unit including a first electrode having a through hole, a second electrode spaced apart from the first electrode to form a plasma chamber in cooperation with the first electrode, and a gas supply unit supplying gas to the plasma chamber Including;
The plasma jet generated in the plasma chamber is provided to the processing space along the through hole,
The old book sterilizing apparatus, characterized in that the old book is sterilized by the plasma jet. The method of claim 1,
The old book sterilizing apparatus further comprises an automatic page turning unit for automatically turning (turning page) in the sheet unit. delete The method of claim 1,
The second electrode further includes a protrusion disposed adjacent to the through hole,
The old book sterilization apparatus of claim 1, wherein the plasma between the first electrode and the second electrode is generated around the through hole. The method of claim 1,
A gas chamber is formed in the first electrode to be spaced apart from the plasma chamber, and a plurality of gas guide holes are formed in the partition wall between the gas chamber and the plasma chamber to be inclined along a tangentially corresponding to each other.
The gas supplied from the gas supply part to the gas chamber passes through the gas guide hole and is supplied to the plasma chamber in a tangential direction, and the gas passed through the gas guide hole pivots inside the plasma chamber and vortex. Old book sterilization apparatus, characterized in that forming a. The method of claim 1,
The old paper sterilization apparatus, characterized in that a plurality of the plasma supply unit is provided spaced apart at a predetermined interval around the old book. delete delete

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