JPH11128324A - School meal dishes housing device and equipment for disinfecting school meal dishes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dish housing device for completely disinfecting dishes for school meals. SOLUTION: A dish hot-air disinfecting and storing container 1 mounts an ozone generator 22 in addition to a motor 14, a scirocco fan 16, a heater 18 similarly to conventional ones and ozone generated by the generator 22 is supplied into a housing container 4 through a pipe 24 by means of a fan out of the figure. Washed dishes are disinfected by hot air similarly to the conventional ones at 90 deg.C x for 60 min or at 90 deg.C x for 90 min and then, after becoming about 40 deg.C, disinsefted by ozone for three to six hours.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tableware storage apparatus including a tableware hot-air disinfection storage and a tableware container.

[0002]

2. Description of the Related Art A tableware hot-air disinfection storage, which is typically used as a supplementary facility of a catering center, is known as a supplementary facility of a kitchen system that serves a large number of meals. The tableware hot air disinfecting storage is used for drying and disinfecting the washed dishes with hot air and storing them, and there are electric, steam, and gas types depending on the heat source. At the lunch center, generally, the dishes put in cans and the required number of dishes taken out of the hot-air disinfection storage are loaded into containers and sent to customers such as schools, and after meals are finished. A kind of circulation system is adopted in which food cans and tableware are put back into a container and returned to a food service center.

[0003] Regarding this type of container, the applicant has
A new container disclosed in Japanese Utility Model Laid-Open No. 7-40582 has already been proposed. This container has a duct connection port on its ceiling wall and an exhaust port on the lower part of the side wall.Typically, dishes and cans, etc. immediately after washing are placed in the container. Put it in, carry it to the drying area in the feeding center, connect the hot air duct arranged in this drying area to the duct connection port of the container, and send hot air into the container through this hot air duct to dry and dry the dishes. Disinfection can be performed. Thereby, this container can play the role of a conventional hot-air disinfection storage in addition to the original role as a transport means between the catering center and the customer.

[0004]

The current usage of the hot-air disinfection storage for tableware will be described. The tableware after washing is placed in a basket in a state where it is vertically stacked or put in contact with each other. It is common to put this basket in a basket in a state where it is laid on its side, and then put this basket in a storage to perform hot air drying and disinfection, for example, at 90 ° C x 60 minutes or 90 ° C x 90 minutes. It is a target.

The inventor of the present invention has actually examined whether the disinfection can be performed to a level that does not cause any problem when hot water is dried while the dishes are in contact with each other. And very disappointing data. The present invention has been made in view of such circumstances, and an object of the present invention is to provide a tableware accommodating apparatus capable of thoroughly disinfecting tableware for feeding.

[0006]

Means for Solving the Problems The technical problems described above are:
According to the first aspect of the present invention, in a tableware storage apparatus for storing tableware in a storage and disinfecting it with hot air, an ozone generator for feeding ozone into the storage. This is achieved by a tableware storage device for lunch. According to the second aspect of the present invention, in the tableware storage device for meals according to the first aspect, the tableware storage device for meals is a tableware hot-air disinfection storage, which is achieved by the tableware storage device for meals. Is done. According to the third aspect of the present invention, ozone is generated in an area provided with a duct connection port for feeding tableware and meals and an area for disinfecting and storing the tableware after cleaning. An ozone supply duct for guiding ozone from a source, the ozone supply duct being connected to a duct connection port of the container, and supplying ozone into the container, and disinfecting tableware for feeding. Is achieved by the equipment for doing so. Other objects and advantages of the present invention will become apparent from the following preferred embodiments of the present invention.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings, taking a stationary tableware hot air disinfecting storage as an example. FIG. 1 is a schematic overall perspective view of a dish hot-air disinfection storage according to the present invention. This tableware hot air disinfection storage 1
It has a box-shaped housing 2 as a whole, in which a box-shaped storage box 4 for storing tableware is stored. The storage 4 is typically a double door 6 (only one door is shown, and the other door is not shown).
Is attached. The interior of the storage box 4 is vertically divided by a plurality of breathable shelves 8, and the tableware 1 is placed on the shelves 8.
The basket 12 containing 0 is stored.

[0008] The tableware hot-air disinfection storage 1 also includes a storage 4.
As described above, a controller 20 including a sirocco fan 16 driven by a motor 14, a heater 18, and a bimetal thermostat for preventing abnormal heating is provided on a ceiling wall 4a of The inside of the storage case 4 is uniformly maintained at a predetermined temperature by forced circulation in the inside. Since such a configuration is conventionally known, further description will be omitted, and the following description will be given of the characteristic portions of this embodiment. The ozone generator 22 is mounted on the top 4a, and the ozone generated by the ozone generator 22 is discharged into the storage 4 through a pipe 24 by a fan (not shown).

[0009] Such a tableware hot air disinfection storage 1 is most commonly installed in a service center together with an automatic dishwashing system and a kitchen system. Tableware collected from customers such as schools is washed by an automatic washing system,
Tableware that has exited from the automatic cleaning system is stored in the tableware hot air disinfection storage 1 after being put into a basket 12 by an operator. The method of putting the dishes in the basket 12 may be any of a method of stacking the same kind of dishes vertically and a side by side in a state of being in contact with each other, as in the related art. However, a particularly preferred method is to use the basket disclosed in Japanese Patent Application Laid-Open No. HEI 8-266459 filed by the applicant of the present application to make each tableware 10 stand vertically, The tableware 10 may be put in the basket 12 with a predetermined distance from the tableware 10. Further, instead of the basket 12, a rack for accommodating tableware in a vertically standing state and separated from each other may be used as disclosed in Japanese Utility Model Laid-Open No. 3-10847.

In order to confirm the disinfecting effect of the hot-air disinfection storage 1 for dishes, the same kind of dishes are actually stacked on top of each other in a basket 12,
Was put into the hot-air disinfection storage 1 for tableware and subjected to hot-air drying and sterilization with ozone. The running conditions were as follows. (1) Hot-air drying: 90 ° C. for 60 minutes and 90 ° C.
C. x 90 minutes was employed. (2) Ozone sterilization: After drying, the inside of the storage 1 was cooled down to about 40 ° C., and then ozone was supplied into the storage 4 through the pipe 24 for 3 to 6 hours.

Examination of the effects of such implementation conditions confirmed that a very good bactericidal effect was obtained. Although the preferred embodiment of the present invention has been described above, the present invention can be applied to the above-described novel container according to the present applicant. That is, through a hot air duct connected to the duct connection port of the ceiling wall of the container, or separately, an ozone supply duct is disposed in the dry area in the food service center, and this ozone supply duct is connected to the above-described duct connection port again. Alternatively, ozone may be supplied into the container from an ozone generation source. That is, when supplying ozone into the container through a hot air duct connected to a duct connection port on the ceiling wall of the container, an ozone supply duct extending from the ozone generator is connected in the middle of the hot air duct, and a passage switching damper is connected to this connection portion. May be provided. Alternatively, ozone may be fed into the container through an ozone supply duct extending from the ozone generator to the drying area separately from the hot air duct. In this case, when the drying area of the catering center is a closed space, that is, in the case of a catering center in which the drying area is separated from the adjacent kitchen area by a shutter or the like, the drying area is Ozone may be supplied directly.

In the preferred embodiment described above, after supplying hot air for drying and disinfection, ozone is supplied after cooling to almost room temperature. Alternatively, ozone may be supplied together with hot air. It may be. In addition, Japanese Patent Application Laid-Open No. Hei 8-266559 filed by the applicant of the present application described above.
U.S. Pat. No. 6,064,087, using the basket disclosed in the publication, the tableware 10 is placed in a basket 12 in a state where each tableware 10 is vertically set and adjacent tablewares 10 are spaced apart from each other by a predetermined distance. In the case where the air is introduced, a sufficient disinfecting effect can be obtained only by hot air, but by further adding ozone, a complete disinfecting effect can be expected.

Means for keeping tableware in a basket apart from each other include, for example, tableware for feeding disclosed in Japanese Patent Application Laid-Open No. 7-327800 according to the present applicant.
Protrusions may be provided on the side walls of the tableware, and means for using the protrusions to separate adjacent tableware by a predetermined distance may be employed. In addition, a system is known in which a drying device is incorporated in the latter stage of the automatic dishwashing machine, but in this case, only sterilization with ozone may be performed in a container.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a tableware hot air disinfection storage according to a preferred embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tableware hot air disinfection storage 4 Containers 10 Tableware 12 Basket 22 Ozone generator 24 Pipe which guides ozone into a container

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI B65D 88/74 B65D 88/74 F26B 9/00 F26B 9/00 E

Claims (3)

[Claims] 1. A tableware storage device for storing tableware in a storage and disinfecting it with hot air, wherein an ozone generator for feeding ozone into the storage is provided. A tableware storage device for lunch. 2. The tableware storage device for meals according to claim 1, wherein the tableware storage device for dishes is a hot air disinfection storage for tableware. 3. An ozone supply having a duct connection port, a container for feeding tableware and meals, and an ozone supply source for guiding ozone from an ozone generating source to an area for disinfecting and storing the tableware after cleaning. A facility for disinfecting tableware for feeding, comprising: a duct; and the ozone supply duct is connected to a duct connection port of the container to supply ozone into the container.