JP3997860B2 - Deodorizing apparatus and garbage processing machine using the same - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a garbage processing machine for processing garbage generated in a kitchen or the like, and a deodorizing apparatus thereof.
[0002]
[Prior art]
A conventional garbage processing machine will be described with reference to FIG. 1 is a garbage processing machine main body, 2 is a tank for storing garbage, and is provided with a rotating shaft 3 and a stirring blade 4 for agitating the garbage at a substantially central portion. A heating means 5 for heating the garbage is disposed at the upper part of the tank 2. The heating means 5 includes a drying heater 6 and a drying fan 7, and heats the surface of the garbage by applying hot air to the garbage. The drying fan 7 is driven to rotate by a drying motor 8.
[0003]
An exhaust passage 9 is formed in the tank 2, and a strip-shaped metal thin plate is spirally wound around a metal pipe in the exhaust passage 9, and a catalyst is supported on the surface thereof to form a fin catalyst 10. A deodorizing device 12 in which a heater 11 is inserted is installed. An intake port 13 is installed on the top surface of the tank 2, and an exhaust fan 14 is installed behind the exhaust passage 9. Reference numeral 15 denotes a drive motor for driving the rotary shaft 3, and 16 denotes a control device.
[0004]
In the above configuration, when the spiral fin catalyst 10 is heated by the heater 11 of the deodorizing device 12 simultaneously with the operation of the garbage processing machine body 1 (heating of the garbage) and the exhaust fan 14 is also operated, outside air is drawn from the intake port 13. The air that is sucked and contains odor in the tank 2 is deodorized by the deodorizing device 12 and exhausted to the outside through the exhaust port 17.
[0005]
[Problems to be solved by the invention]
However, since the deodorizing apparatus 12 of the above-mentioned garbage processing machine heats the helical fin catalyst 10 with the heater 11, the temperature difference between the inlet side and the outlet side of the fin becomes large, and the surface area of the fin is ensured. In order to do so, the number of turns of the fins must be increased, and the shape of the deodorizing device 12 becomes longer. Therefore, the heating efficiency is poor, and in order to keep the temperature of the fin surface high, the amount of heat generated by the heater 11 must be increased, the heat of the deodorizing device 12 must be sufficiently insulated, and the processing cost is high. was there.
[0006]
The present invention solves the above-mentioned problems, and improves the heating efficiency of the fin catalyst 10, can maintain the fin surface temperature at a high temperature even when the amount of heat generated by the heater 11 is small, and a deodorizing apparatus with low processing costs. The purpose of this is to provide a garbage disposal machine using the above.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned conventional problems, the deodorizing apparatus of the present invention comprises a heater provided at a substantially central portion in a cylindrical case and a strip-shaped metal thin plate carrying a catalyst on the surface spirally around the heater. The formed fin catalyst, the heat insulating material provided on the outer side of the cylindrical case, the inlet pipe provided in the substantially central part of the cylindrical case, and the outlet pipe provided outward from the outer peripheral part of the cylindrical case The passage sectional area of the fin catalyst is increased toward the outer periphery . As a result, the fin catalyst is formed in a spiral shape to reduce the surface area of the cylindrical case, the heat radiation from the surface of the cylindrical case can be reduced, the heating efficiency of the fin catalyst is improved, and even if the heating value of the heater is small, the fin It is possible to provide a deodorizing apparatus capable of keeping the temperature of the fin surface of the catalyst at a high temperature and reducing the processing cost.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a heater provided at a substantially central portion in a cylindrical case, a fin catalyst in which a strip-shaped metal thin plate carrying a catalyst on its surface is formed in a spiral around the heater, and the cylinder A heat insulating material provided on the outside of the cylindrical case, an inlet pipe provided at a substantially central portion of the cylindrical case, and an outlet pipe provided outward from the outer peripheral portion of the cylindrical case , By increasing the cross-sectional area toward the outer periphery , the fin catalyst is formed in a spiral shape, reducing the surface area of the cylindrical case, reducing heat dissipation from the surface of the cylindrical case, and improving the heating efficiency of the fin catalyst. Thus, it is possible to provide a deodorizing apparatus that can keep the temperature of the fin surface of the fin catalyst at a high temperature even if the heat generation amount of the heater is small, and that can reduce the processing cost.
[0009]
In addition , the passage resistance when the air containing the odor entering the deodorizing apparatus is heated and volume-expands toward the outlet can be reduced, and the temperature distribution on the fin surface can be made uniform, and the deodorizing can be achieved. It can Rukoto to improve the performance.
[0010]
The invention described in claim 2 is a ceramic heater provided in a substantially central portion in a cylindrical case, a fin catalyst in which a strip-shaped metal thin plate carrying a catalyst on the surface is formed in a spiral around the heater, The ceramic heater , comprising: a heat insulating material provided outside the cylindrical case; an inlet pipe provided at a substantially central portion of the cylindrical case; and an outlet pipe provided outward from the outer peripheral portion of the cylindrical case. By providing the heat dissipating fins in the vicinity of the lead wire joint portion, the temperature of the lead wire joint portion of the heater can be reduced, and a deodorizing apparatus with improved durability can be provided.
[0011]
Invention of Claim 3 is a deodorizing apparatus of Claim 1 or 2 connected through the tank which accommodates garbage, the heating part which heats garbage, and the said tank and the exhaust passage. To improve the heating efficiency of the fin catalyst, maintain the fin surface at a high temperature even if the heater's heat generation is small, and provide a garbage disposal machine equipped with a deodorizing device that reduces processing costs it can.
[0012]
【Example】
Example 1
Hereinafter, a first embodiment of the present invention will be described with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, and the description is abbreviate | omitted.
[0013]
1 to 3, the deodorizing device 12 provided in the exhaust passage 9 is provided with a heater 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heater 11 in a spiral shape, and a catalyst is formed on the surface thereof. Is provided, and an inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical case 18. In this embodiment, as the heater 11, using a small Serammikuhita that can be used in high temperature. A case heat insulating material 21 is attached to the outside of the cylindrical case 18.
[0014]
In the garbage processing machine provided with the deodorizing apparatus 12 as described above, the spiral fin catalyst 10 is heated by the catalyst heater 11 of the deodorizing apparatus 12 simultaneously with the operation of the garbage processing machine body 1 (heating of the garbage), When the exhaust fan 14 is also operated, outside air is sucked from the intake port 13, air containing odor in the tank 2 is deodorized by the deodorizing device 12, and is exhausted to the outside through the exhaust port 17.
[0015]
In the deodorizing device 12, since the surface area of the cylindrical case 18 is small, heat radiation from the case surface is small, the heating efficiency of the fin catalyst 10 is improved, and the temperature of the fin surface is increased even if the heat generation amount of the catalyst heater 11 is small. The cost can be kept lower than before.
[0016]
(Reference Example 1)
Next, a first reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example and Example 1, and the description is abbreviate | omitted.
[0017]
In FIG. 4, a deodorizing apparatus 12 is provided with a heater 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heater 11, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical pipe case 18. A large number of protrusions 10a are provided on the surface of the thin metal plate.
[0018]
With the above configuration, by providing a large number of protrusions 10a on the surface of the fin catalyst 10, the surface area of the fin can be increased, and a spiral fin passage can be secured. When the air containing the odor in the tank 2 enters the deodorizing device 12 and flows between the fin catalysts 10, the surface area of the fins is increased by the numerous protrusions 10a, and the air flow is disturbed by the protrusions 10a. Therefore, since the air containing odor spreads over the entire surface of the fin catalyst 10, the deodorizing performance of the deodorizing device 12 can be improved.
[0019]
(Reference Example 2)
Next, a second reference example of the present invention will be described with reference to FIG. The same components as those in the conventional example, the first embodiment, and the reference example 1 are denoted by the same reference numerals, and the description thereof is omitted. In FIG. 4, a deodorizing apparatus 12 is provided with a heater 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heater 11, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical pipe case 18. In the vicinity of the root of the inlet pipe 21, a throttle portion 22 is provided. When the air containing the odor in the tank 2 enters the deodorizing device 12 and flows between the fin catalysts 10, the flow velocity of the air flowing on the surface of the heater 11 is accelerated by the throttle portion 22 provided near the root of the inlet pipe 21. Can be transmitted to the catalyst fins 10 more effectively, the temperature of the catalyst fins 10 can be increased, and the deodorizing performance of the deodorizing device 12 can be improved.
[0020]
(Example 2)
Next, a second embodiment of the present invention will be described with reference to FIG. The same components as those in the conventional example, the first embodiment, and the reference examples 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.
[0021]
In FIG. 4, a deodorizing apparatus 12 is provided with a heater 11 at the center of a cylindrical case 18, a metal thin plate is formed in a spiral shape around the catalyst heater 11, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the pipe cylindrical case 18. The passage cross-sectional area of the spiral fin catalyst 10 increases toward the outlet. When air containing odors in the tank 2 enters the deodorizing device 12 and flows between the fin catalysts 10, the passage cross-sectional area of the spiral fin catalyst 10 expands toward the outlet, so that the space between the fin catalysts 10 is increased. The passage resistance when the air containing the flowing odor is heated and volume-expands toward the outlet can be reduced, and the deodorizing performance of the deodorizing device 12 can be improved.
[0022]
Thereby, it becomes easy to arrange the heater 11 and the temperature distribution on the surface of the fin 20 can be made uniform. Therefore, the deodorizing performance can be improved.
[0023]
(Reference Example 3)
Next, a third reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-2, and the description is abbreviate | omitted. In FIG. 5, the deodorizing apparatus 12 is provided with a heater 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heater 11, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical case 18. A heat insulating material 24 having a groove 23 for positioning the fin catalyst 10 is provided on the inner surface of each of the upper surface and the bottom surface of the cylindrical case 18. By forming the groove 23 for positioning the fin catalyst 10 inside the top surface and the bottom surface of the cylindrical case 18, the fin catalyst 10 is fixed on the upper and lower surfaces, and odor-containing air is passed from the passage of the fin catalyst 10. It is possible to provide a deodorizing device that maintains the deodorizing performance for a long time without leaking.
[0024]
(Reference Example 4)
Next, a fourth reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-3, and the description is abbreviate | omitted.
[0025]
In FIG. 6, the deodorizing apparatus 12 is provided with a substantially U-shaped sheathed heater as a heater 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heater 11 in a spiral shape, and a catalyst is supported on the surface thereof. The fin catalyst 10 is provided, and an inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the pipe cylindrical case 18. By providing a substantially U-shaped sheathed heater at the center of the cylindrical case 18, a low-cost heater can be used instead of an expensive heater such as a ceramic heater, and a deodorizing apparatus that further reduces costs Can be provided.
[0026]
(Reference Example 5)
Next, a fifth reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-4, and the description is abbreviate | omitted.
[0027]
In FIG. 7, a sheathed heater as a heater 11 is provided in the center of a cylindrical case 18 so as to penetrate a part of the inlet pipe 19, a thin metal plate is formed around the heater 11 and a catalyst is supported on the surface thereof. The fin catalyst 10 is provided, and an inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical case 18. By providing a sheathed heater through the central portion of the cylindrical case 18 and a part of the inlet pipe 19, it is possible to use a lower priced heater instead of a small and expensive heater such as a ceramic heater. This can provide a deodorizing apparatus that can further reduce the cost.
[0028]
(Reference Example 6)
Next, a sixth reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-5, and the description is abbreviate | omitted. In FIG. 8, the deodorizing apparatus 12 is provided with a plurality of heaters 11 at the center of a cylindrical case 18, a thin metal plate is formed around the heaters 11, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer periphery of the cylindrical case 18. By providing the plurality of heaters 11 at the center of the cylindrical case 18, the amount of heat generated by the heaters 11 can be switched according to the strength of the odor, and a deodorizing device with improved deodorizing performance can be provided.
[0029]
(Reference Example 7)
Next, a seventh reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-6, and the description is abbreviate | omitted. In FIG. 9, an inlet pipe 19 is formed on the outer periphery of the cylindrical case 18, an outlet pipe 20 is formed in the center of the cylindrical case 18, and a heater 11 is provided in a part of the inlet pipe 19. A thin metal plate is formed in a spiral shape, and a fin catalyst 10 carrying a catalyst is provided on the surface thereof. The inlet pipe 19 is formed on the outer peripheral portion of the cylindrical case 18, the outlet pipe 20 is formed in the central portion of the cylindrical case 18, and the heater 11 is provided in a part of the inlet pipe 19, so that the degree of freedom of the place where the heater is attached is increased. In addition, the structure in which the exhaust gas is emitted from the central portion of the case can provide a deodorizing apparatus that can reduce the heat radiation of the exhaust portion, can make the temperature distribution of the fin catalyst more uniform, and improve the deodorizing performance.
[0030]
(Reference Example 8)
Next, an eighth reference example of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-7, and the description is abbreviate | omitted.
[0031]
In FIG. 10, the deodorizing apparatus 12 is provided with a ceramic heater 11 as a heater at the center of a cylindrical case 18, a thin metal plate is formed around the ceramic heater 11 in a spiral shape, and a fin catalyst 10 carrying a catalyst on its surface. The inlet pipe 19 is formed at the center of the cylindrical case 18, and the outlet pipe 20 is formed at the outer periphery of the cylindrical case 18. The lead wire joint portion 11a of the ceramic heater 11 is configured to come out from the bottom surface of the cylindrical case 18 and face the air. By providing the ceramic heater 11 in the central portion of the cylindrical case 18 so that the lead wire joint portion 11a of the ceramic heater 11 faces the air, the temperature of the lead wire joint portion 11a of the heater can be reduced. In addition, it is possible to provide a deodorizing device with improved durability without any change or peeling of the resistance value of the lead wire joint portion 11a.
[0032]
(Example 3)
Next, a third embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected about the same component as a prior art example, Examples 1-2, and reference examples 1-8, and the description is abbreviate | omitted.
[0033]
In FIG. 11, the deodorizing apparatus 12 is provided with a ceramic heater 11 as a heater at the center of a cylindrical case 18, a thin metal plate is formed around the ceramic heater 11 in a spiral shape, and a fin catalyst 10 carrying a catalyst on the surface thereof. An inlet pipe 19 is formed at the center of the cylindrical case 18, and an outlet pipe 20 is formed at the outer peripheral portion of the pipe cylindrical case 18. The lead wire joint portion 11a of the ceramic heater 11 is configured to come out from the bottom surface of the cylindrical case 18 and face the air, and the heat dissipating fins 11b are provided in the vicinity of the lead wire joint portion 11a. The lead wire joint portion 11a of the ceramic heater 11 is configured to protrude from the bottom surface of the cylindrical case 18 to face the air, and by providing the radiating fin 11b in the vicinity of the lead wire joint portion 11a, the lead wire joint portion of the heater is provided. The temperature of the part 11a can be reduced, and there is no change or peeling of the resistance value of the lead wire joint part 11a, thereby providing a deodorizing device with improved durability.
[0034]
【The invention's effect】
As described above, according to the present invention, since the fin catalyst is formed in a spiral shape to reduce the surface area of the cylindrical case, the heat release from the cylindrical case surface can be reduced, the heating efficiency of the fin catalyst is improved, and the heater Even if the calorific value is small, it is possible to provide a deodorizing apparatus that can keep the temperature of the fin surface of the fin catalyst high.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a garbage processing machine in Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view of a deodorizing apparatus in the garbage processing machine of Embodiment 1. FIG. FIG. 4 is a cross-sectional view of a deodorizing apparatus for a garbage disposal machine in Example 2 and Reference Examples 1 and 2 of the present invention. FIG. 5 is a sectional view of a garbage disposal apparatus in Reference Example 3 of the present invention. Cross-sectional view of the deodorizing apparatus [FIG. 6] FIG. 7 is an exploded perspective view of the deodorizing apparatus of the garbage processing machine in Reference Example 4 of the present invention. FIG. 7 is a cross-sectional view of the deodorizing apparatus of the garbage processing machine in Reference Example 5 of the present invention. 8] Cross-sectional view of a deodorizing apparatus for a garbage disposal machine in Reference Example 6 of the present invention [Fig. 9] Cross-sectional view of a deodorizing apparatus for a garbage disposal machine in Reference Example 7 of the present invention [Figure 10] Reference Example 8 of the present invention Sectional view of a deodorizing apparatus for a garbage disposal machine in Japan [FIG. 11] In Example 3 of the present invention Sectional view FIG. 12 is a cross-sectional view of a conventional garbage disposal deodorizing device for a food waste disposal system [EXPLANATION OF SYMBOLS]
DESCRIPTION OF SYMBOLS 10 Fin catalyst 10a Protrusion 11 Heater 11a Lead wire junction part 11b Radiation fin 18 Case 19 Inlet pipe 20 Outlet pipe 22 Restriction part 23 Groove

Claims (3)

A heater provided at a substantially central portion in the cylindrical case, a fin catalyst in which a strip-like metal thin plate carrying a catalyst on the surface is formed in a spiral shape around the heater, and a heat insulating material provided on the outside of the cylindrical case And an inlet pipe provided at a substantially central portion of the cylindrical case, and an outlet pipe provided outward from the outer peripheral portion of the cylindrical case,
A deodorizing apparatus in which a passage sectional area of the fin catalyst is increased toward an outer periphery . A ceramic heater provided at a substantially central portion in the cylindrical case, a fin catalyst in which a strip-shaped metal thin plate carrying a catalyst on the surface is formed in a spiral shape around the heater, and heat insulation provided on the outside of the cylindrical case A material, an inlet pipe provided in a substantially central portion of the cylindrical case, and an outlet pipe provided outward from an outer peripheral portion of the cylindrical case,
A deodorizing device provided with heat radiation fins in the vicinity of a lead wire joint of the ceramic heater. A garbage processing machine comprising a tank for containing garbage, a heating unit for heating the garbage, and the deodorizing apparatus according to claim 1 connected to the inside of the tank via an exhaust passage.

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