Electric heating – Metal heating – Of cylinders
Patent
1989-04-14
1990-06-26
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055D, 110250, H05B 680, F23G 500
Patent
active
049374117
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an electronic incinerating apparatus which is a combination of a microwave apparatus and a combustion apparatus and can cleanly incinerate garbage at very high temperatures, and this apparatus can solve the problem of uncleanliness, putrefaction and dirtiness of garbage, and is used particularly for treatment of garbage at a place such as a country house where sewage system is not complete or for treatment of dangerous filth produced by a hospital or biologic researchers.
BACKGROUND ART
In general, to treat garbage, so far the treating apparatuses have been used which crush garbage with a rotary blade called disposer and throw it away in sewage.
The disposer has a simple structure, while it discharges a large amount of solids into drainage, and therefore it is likely to cause stopping-up of sewage, and some countries prohibit the use of such an apparatus from the point of environmental pollution. Also, in hospitals, research institutes and the like, ordinary treatment of garbage is prohibited for sanitary reasons.
On the other hand, the combustion type treating apparatus is sanitary because it completely decomposes organic matters. In this method, fuel is burned by burners and garbage is treated by incinerating it by combustion heat of the fuel, and therefore this method has features of remarkably reducing the residual amount of treatment and causing disease germs and the like to perfectly perish, while it has major defects such that the structure is complicated, the apparatus becomes large-sized, smoke and bad smell are likely to be produced, and environmental pollution is caused. On the other hand, the method using electricity can employ an apparatus which is small-sized, easy to handle and excellent in controllability. However, the heater-heating system using resistance wires, although it is a system using electricity, is low in the incinerating temperature, and cannot carry out a satisfactory incineration. Accordingly, this system is difficult to burn garbage completely to ashes even if it can sterilize, and therefore it is not suitable for practical use. On the other hand, the method using microwave can incinerate garbage at high temperatures, and therefore it has a feature that the garbage treatment can be carried out perfectly. However, in the microwave incinerating system, the temperature of the generated flame becomes extraordinarily high, and an abnormal combustion or a damage of the apparatus is likely to be caused, and therefore it is difficult to be used also for a combustion apparatus. For this reason, the apparatuses using microwave have not propagated generally.
DISCLOSURE OF INVENTION
An object of the present invention is to provide a treating apparatus having a small size and a simple constitution which suppresses generation of smoke and smell in incinerating garbage, thereby causing no environmental pollution.
The above-mentioned object of the present invention can be achieved by the following constitution. This means that an apparatus of the present invention comprises a primary combustion chamber for storing matters to be burned, means for supplying air for combustion to the above-mentioned primary combustion chamber, a microwave generating source connected to the above-mentioned primary combustion chamber through a waveguide, a secondary combustion chamber installed on the above-mentioned primary combustion chamber, igniting means installed in the above-mentioned secondary combustion chamber, a microwave shield plate installed between the above-mentioned primary combustion chamber and the above-mentioned secondary combustion chamber, and a gas passage part open to the above-mentioned microwave shield plate.
The apparatus of the present invention is constituted as described above, and dries garbage by means of microwave to change it into fuel having a high quantity of heat, and thereafter decomposes organic matters by microwave to achieve a perfect combustion, and therefore the combustion temperature is high. Also, it has an excel
REFERENCES:
patent: 4038032 (1977-07-01), Brewer et al.
patent: 4592291 (1986-06-01), Sullivan
patent: 4631133 (1986-12-01), Axelrod
patent: 4718358 (1988-01-01), Nomi et al.
Hosaka Masato
Kawasaki Yoshitaka
Nisino Atsushi
Suzuki Jiro
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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