JPH05312472A - Dry processor - Google Patents

Abstract

PURPOSE:To provide a dry processor for preventing putrefaction and generation of offensive odor by uniformly drying food and raw refuse such as cooking tailings, residual food, etc., produced at home by a simple operation. CONSTITUTION:The dry processor comprises a body vessel 3 having a switching unit, a cylindrical vacuum heat insulation vessel l provided in the vessel 3, a sample containing vessel 2 provided in the vessel 1, a microwave heater 4 provided in the body vessel, a microwave irradiating port 5 provided at a lower part of the body vessel, a rotary unit 6 of the containing vessel, a partition plate 7, a heat insulator 9 provided in a bottom of the containing vessel, a fan 9 for cooling the body vessel, and a drain port 10. The processor dries a sample such as food, raw refuse, etc., to prevent putrefaction during stock and generation of offensive odor due to the putrefaction. The cylindrical vessel is used, a microwave is emitted from a lower part of the sample in which moisture tends to be stored to uniformly heat and dry the sample, and thermal decomposition of the sample can be suppressed. Further, ignition due to local heating of the sample can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended for foods requiring a drying treatment, cooking wastes containing a relatively large amount of water, food wastes generated in the kitchen such as leftover foods, etc. The present invention relates to a drying treatment device that can be used hygienically and that is suitable for household use.

[0002]

2. Description of the Related Art It has heretofore been widely practiced to carry out a drying process for long-term storage of foods to prevent weight loss and spoilage. In addition to sun drying using sunlight, as a drying method using equipment, there are a heater drying method, a hot air drying method, a microwave drying method, a freeze drying method, a spray drying method and the like. These methods play a major role in the field of food preservation because they can dry food faster than the sun drying method. Recently, not only foods but also garbage generated at home is desired to be reduced in weight or to prevent spoilage. Household garbage is collected by each local government and incinerated or landfilled. However, it is not collected every day, and some time passes until collection. For this reason, the entire garbage is made dirty by spoiling and generating odors by the collection date or by polluting the garbage storage place with garbage juice or the like. Also, promotion of waste reduction has been taken up as a social issue. Therefore, a method has been devised in which raw garbage is dried like foods to reduce weight and prevent spoilage. Furthermore, there is also a method in which fermentation is performed in the drying process, and raw garbage is reused as fertilizer.

[0003]

However, in terms of drying foods, there are few devices that can be easily used at home, and it is a very difficult problem to dry an object evenly from an industrial point of view. . The conventional drying apparatus has a problem in that it is dried uniformly, and there is a problem in that a part of the drying process is ignited, or the drying is insufficient to cause partial rot. Furthermore, regarding the treatment of odors and waste water generated when drying food and kitchen waste, there are few small-sized drying devices that take into consideration the deodorization and purification of waste water, and it has been a major problem to deal with them.

The present invention solves the above-mentioned problems of the prior art. By uniformly drying a sample of food, food waste, etc., it prevents spoilage and ignition that occur during drying, and makes the exhaust gas odorless and exhausts. Reduces organic components contained in water,
It is an object of the present invention to provide a pollution-free drying treatment device which is suitable for households regardless of installation location.

[0005]

In order to solve the above problems, the present invention provides a main body container having an opening / closing portion, a substantially cylindrical vacuum heat insulating container provided in the main body container, and a substantially cylindrical vacuum heat insulating container. The sample storage container provided, the microwave heating unit provided in the main body container, the microwave irradiation port provided in the lower part of the main body container, and the stirrer provided in the rotating part of the storage container or the microwave irradiation port are dried. It is a processing device.

[0006]

The present invention provides an apparatus for simply and hygienically drying a sample of food, food waste, etc. by the above-mentioned structure and mechanism. First, the sample contained in the container is heated by microwave irradiation to evaporate the water content in the sample. At this time, since microwaves are radiated from the lower part of the storage container, water such as broth accumulated in the lower part of the storage container during the drying process is selectively evaporated. Since the storage container is housed in a heat insulating container and configured to be heat-insulated, the heat given by the microwave irradiation is not lost by heat radiation and is mainly consumed only for evaporation of water. The generated water vapor is condensed in the main body container located outside the heat insulating container. At this time, since the odorous components that have evaporated together with the water are also condensed, it is possible to minimize the odor generated from the device during the drying process. Due to the heat insulating effect of the heat insulating container and the stirring effect of the rotation of the storage container, the sample is uniformly heated and dried uniformly, so that generation of organic substances due to thermal decomposition of the sample can be suppressed. Due to these effects, mixing of organic matter into the discharged water is suppressed, and contamination of the exhaust path and condensed water by organic matter is prevented.

By carrying out the treatment as described above, uniform drying of the sample can be realized, odorless drying and spoilage can be prevented, and the discharged water can be purified.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a longitudinal sectional view of an essential part of an embodiment according to the present invention. In FIG. 1, reference numeral 1 is a cylindrical vacuum heat insulating container made of stainless steel, and 2 is a sample storage container made of heat resistant plastic to be housed inside the cylindrical vacuum heat insulating container 1. Reference numeral 3 is a main body container having an opening / closing part 3a, 4 is a microwave heating part for transmitting microwaves, and 5 is a microwave irradiation port arranged below the main body container 3. Reference numeral 6 denotes a rotation drive unit disposed below the main body container 3 and configured to rotate the storage container 2. Reference numeral 7 is a partition plate made of a microwave transparent material, and 8 is a heat insulating material made of a microwave transparent material provided inside the cylindrical vacuum heat insulating container 1 between the storage container 2 and the partition plate 7. Reference numeral 9 is a fan for cooling the main body container 3, and 10 is a drain pipe for discharging condensed water to the outside.

Next, the operation will be described. First, the opening / closing part 3a of the main body container is opened, and samples such as food and garbage are put in the storage container 2. Next, the microwave heating unit 4 is energized to heat the sample contained in the storage container 2. At this time, the rotation drive unit 6
Is operated to rotate the storage container 2, so that the sample stored in the storage container is uniformly irradiated with microwaves. The water vapor generated from the sample by microwave heating is discharged from the storage container 2 into the main body container 3, and the water vapor is condensed into water on the outer wall of the main body container. The condensed water passes through the drain port 10 and is discharged to the outside of the device.

In this example, an evaluation test of uniform drying was performed using a cylindrical vacuum heat insulating container made of stainless steel as a heat insulating container and raw garbage as a sample. When the food waste is dried using the heat insulating container, the heat is evenly transferred to the sample, so that the whole is uniformly dried. Further, since the vacuum heat insulating container has excellent heat insulating properties, the energy loss due to heat dissipation was reduced to 1/4, and the sample could be efficiently heated, as compared with the stainless steel container having no heat insulating property. Further, the heat insulating effect can be improved by adopting a structure in which a microwave permeable heat insulating material is used in the lower portion of the storage container. In the case of microwave sample top irradiation, which is the conventional method, the sample is easy to dry from the top surface and the water separated from the sample moves to the bottom surface. There was a case that remained. Therefore, in this example, it was attempted to irradiate the microwave from the lower part of the sample to dry the bottom of the sample and uniformly dry the whole. But,
In the conventional stainless steel vacuum heat insulating container, since the opening of the container is located on the upper surface, microwaves cannot be irradiated from above. Further, when the opening of the vacuum heat insulating container is on the lower surface, the microwave can be radiated from the lower surface,
The sample could not be heated uniformly due to the limited microwave space. Therefore, by using a cylindrical vacuum heat insulation container, it was possible to irradiate the lower part of the microwave and to uniformly dry the sample. Further, since there is no metal part above and below the vacuum heat insulating container, the sample exists away from the metal part where the electric field of microwave is zero, and the drying progresses more uniformly. Further, by rotating the storage container, the microwave distribution in the sample changes, and uniform heating can be achieved. With the above configuration, the sample can be processed to almost dry state, and the prevention of putrefaction was achieved. In addition, by achieving uniform drying, ignition due to local heating of the sample was prevented and contamination of organic matter with the discharged water was suppressed.

(Embodiment 2) FIG. 2 is a longitudinal sectional view of a main portion of a second embodiment according to the present invention. Since the same components as those in the first embodiment are designated by the same reference numerals, detailed description thereof will be omitted. The second embodiment is different from FIG. 1 in that the rotary drive unit is eliminated and the microwave irradiation port has a metal stirrer.

The drying device constructed as described above operates in substantially the same manner as in the first embodiment. The difference is that the stirrer rotates at the same time as the microwave irradiation, and the microwave distribution in the main body container is changed.

In the drying apparatus of the second embodiment, the storage container can be installed directly inside the main body container by using the stirrer for diffusing the microwave, and it is possible to dry the heavy object having the rotation capacity of the rotating part or more. became. Moreover, since the stirrer has a smaller number of parts than the rotating part, the structure of the device can be simplified.

Although the drying apparatus of this embodiment dries raw garbage, it can be used for drying the entire food product. A deodorizing device may be attached to the main body container to deodorize odors generated during and after sample drying. Also,
If the space between the vacuum insulation container and the storage container is wide, or if the space is filled with a material having a low dielectric constant, the moving space for microwaves can be widened, so that the sample can be heated more uniformly. it can. Further, although the vacuum heat insulating container is a cylindrical container, any shape may be used as long as the container has a bottom surface and a part of the container is open so that microwaves can be irradiated. Furthermore, although the vacuum heat insulation container is made of stainless steel, it may be made of a material such as glass. When the vacuum heat insulating container is made of a microwave permeable material such as glass, it is needless to say that the microwave irradiation can be performed from the lower part not only in the cylindrical container but also in the container having the bottom surface or the upper surface, and the effect of this embodiment can be obtained.

[0016]

As described above, the present invention has a main body container having an opening / closing portion, a substantially cylindrical vacuum heat insulation container provided in the main body container, and a sample storage container provided in the substantially cylindrical vacuum heat insulation container. A microwave heating part provided in the main body container, a microwave irradiation port provided in the lower part of the main body container, and a stirrer provided in the rotating part of the storage container or the microwave irradiation port are used to collect samples such as food and garbage. By drying, it prevents spoilage during storage and generation of bad odor accompanying it. By using the cylindrical vacuum heat insulating container and irradiating the microwave from the lower portion of the sample where water easily accumulates, the sample is uniformly heated and can be dried uniformly, so that thermal decomposition of the sample can be suppressed. Further, it is possible to prevent ignition of the sample due to local heating, to suppress mixing of organic matter in discharged water, and to prevent contamination of condensed water by organic matter. Further, heat insulation is suppressed by the heat insulation effect of the heat insulation container, and the amount of heat given from the microwave is mainly consumed only for evaporation of water, so that energy efficiency is improved and the drying treatment time is shortened.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of a main part of a drying processing apparatus according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of a main part of a drying processing apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical vacuum insulation container 2 Storage container 3 Main body container 3a Opening / closing unit 4 Microwave heating unit 5 Microwave irradiation port 6 Rotation drive unit 8 Insulation material 11 Stirrer

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Jiro Suzuki, 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (5)

[Claims] 1. A main body container having an opening / closing part, a substantially cylindrical vacuum heat insulating container provided in the main body container, a sample storage container provided in the substantially cylindrical vacuum heat insulating container, and a main body container. And a microwave heating unit. 2. The drying processing apparatus according to claim 1, further comprising a microwave irradiation port provided in a lower portion of the main body container. 3. The drying treatment apparatus according to claim 1, wherein the main body container is provided with a rotating portion for rotating the storage container. 4. The drying treatment apparatus according to claim 1, wherein a stirrer made of a microwave reflecting material is provided at the microwave irradiation port. 5. The drying treatment apparatus according to claim 1, wherein a microwave permeable heat insulating material is provided in a lower portion of the storage container.