JP2006255550A - Garbage drying machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage drying machine in which garbage is dried in a short period of time by low energy (little electricity expense), garbage can always be continuously charged without waiting for the completion of drying work and a risk caused by a charging metallic material and the centralized heating which are problems of magnetron heating is prevented. <P>SOLUTION: The garbage drying machine is provided with a rotary screw 7 type conveying means 9 arranged in a drying chamber 2 for irradiating garbage with an electromagnetic wave from the magnetron 3 and a crushing means 13 for garbage 10 arranged in the preceding stage of the conveying means, so that the crushed garbage 10 is dried successively while being irradiated with the electromagnetic wave in the drying chamber 2. Since the garbage 10 itself can be heated directly from the inside thereof, the drying time can be shortened, the garbage 10 can always be continuously charged in the garbage drying machine from a charging part 11, the heat efficiency when garbage is dried can be increased and the power consumption can be reduced. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a garbage drying processing machine for drying and reducing the amount of garbage generated in general households and food factories, restaurants, fast food stores and the like.

  As a conventional apparatus for reducing or eliminating garbage, there are generally used a drying method and a decomposition method using microorganisms for both home use and business use. The drying method has some heating means (combustion, electric heater, magnetron, etc.), directly raises the temperature of the garbage in the drying container by indirect heating means, evaporates the moisture in the garbage, and dries -The method of weight loss is well known. In the case of this drying method, a method is generally used in which garbage is dried in a drying container, the container is taken out, transferred to another container (such as a garbage bag) and discarded.

In addition, the method by microbial decomposition is to reduce the weight by decomposing the garbage by decomposing bacteria by putting a base material that becomes a fungus bed such as large sawdust in a treatment tank provided with stirring means and controlling it to an appropriate temperature and humidity. The method of doing is also well known. Examples of the most common drying method include, for example, Patent Document 1 and Patent Document 2. There is also an example of heat drying by a magnetron, Patent Document 3. In addition, the microbial decomposition type garbage processing machine is completely different from the present invention, and the cited documents are omitted.
JP-A-6-91248 JP-A-6-262163 Japanese Patent Laid-Open No. 4-193382

  Such a conventional drying type garbage drying processing machine is a method in which the garbage is heated indirectly by a heating means except in the case of direct heating by a magnetron. In order to remove the moisture in the garbage to the outside due to poor transmission, it is necessary to supply a heat amount more than the minimum heat energy necessary for the evaporation of moisture by the heating means. For this reason, the drying time is long, and the power consumption until drying is increased. In addition, even in the case of direct heating with a magnetron as shown in the conventional example, there are problems such as safety when metal pieces are mixed in the garbage, and the magnetron is in a state where the garbage is collected in the drying chamber. Irradiation of the electromagnetic wave caused by and drying makes it impossible to agitate the garbage, and even if steam is generated from the inside of the garbage, the surrounding garbage becomes a resistance, making it difficult to go outside. For this reason, it often takes longer to dry. In addition, if you want to throw in the garbage that was generated during the operation of the garbage processor, you need to stop the processor once and start again. Even if this is not the case, if you open the input lid of the processing machine in order to throw in the garbage during operation, the vapor and odor evaporated from the garbage diffuses to the surrounding area, which often causes unpleasant feelings. .

  Therefore, the present invention solves such a conventional problem, and the garbage is dried in a short time with less energy (electricity bill), and the garbage is continuously produced at any time without waiting for the completion of the drying. It aims at providing the garbage drying processing machine which can be thrown in.

  In order to solve the above-mentioned conventional problems, the garbage drying processing machine of the present invention comprises a garbage input unit, a garbage crushing means connected to the input part, a means for irradiating the garbage with electromagnetic waves by a magnetron, and an electromagnetic wave. Irradiating and drying the garbage, a drying chamber communicating with the pulverizing means in the drying chamber, rotating screw type conveying means for drying by irradiating electromagnetic waves while conveying the crushed garbage, and generated steam Steam outlets, dry dry garbage discharge ports, and dry garbage storage containers that are detachably connected to the discharge ports.

  With this configuration, the input garbage is once pulverized by the pulverizing means and sent to the conveying means in the drying chamber. In this state, electromagnetic waves are irradiated and the garbage is sent to the outlet side sequentially while heating directly. Therefore, the moisture in the garbage evaporates and moves while moving to the outlet side.

  In this way, even if garbage is put in sequentially, the position is moved by the transport means, so a large amount of garbage does not accumulate and does not hinder the discharge of steam, so the drying time is fast and direct heating is possible. Therefore, heating efficiency is good and it can dry with little energy. Further, since the garbage enters the conveying device in a state where it is pulverized to some extent by the pulverizing means, the components of the garbage are mixed and homogenized. Thereby, the dielectric loss of the garbage is homogenized, and the heating unevenness due to the irradiation of electromagnetic waves is reduced, so that the heating efficiency can be further improved.

  The garbage drying processing machine of the present invention is provided with a conveying means in a drying chamber that irradiates electromagnetic waves with a magnetron, a pulverizing means is provided in front of the drying means, and the crushed garbage is sequentially dried while irradiating electromagnetic waves in the drying chamber. Thus, the garbage itself can be directly heated from the inside, so that the drying time is fast, the heat efficiency is high, and the power consumption is reduced. In addition, it is possible to input garbage at any time continuously from the input section, and even when new garbage generated during operation of the garbage processing machine is input, unpleasant odors and vapors diffuse into the room and become uncomfortable. There is an effect that it can be eliminated.

  The first invention is a garbage input unit, a garbage crushing unit connected to the input unit, a heating unit that irradiates an electromagnetic wave with a magnetron, a drying chamber that receives the irradiation of the electromagnetic wave, and the crushing unit in the drying chamber A rotary screw type conveying means that can be dried by being irradiated with the electromagnetic wave while conveying pulverized raw garbage, and a steam outlet for steam generated from the raw garbage, and an outlet for dried raw garbage, By providing a dry waste storage container for storing dry garbage, and a controller for controlling the pulverizing means, the heating means, and the transport means, and the dry waste storage container is detachably connected to the discharge port. The input garbage is once pulverized by the pulverizing means and sent to the conveying means in the drying chamber. In this state, electromagnetic waves are irradiated by the magnetron and the garbage is sequentially heated and sent to the outlet side while being heated, so that the moisture in the garbage evaporates and moves while moving to the outlet side. In this way, even if garbage is put in sequentially, the position is moved by the transport means, so a large amount of garbage does not accumulate and does not hinder the discharge of steam, so the drying time is fast and direct heating is possible. Therefore, heating efficiency is good and it can dry with little energy. Further, since the garbage enters the conveying device in a state where it is pulverized to some extent by the pulverizing means, the components of the garbage are mixed and homogenized. Thereby, the dielectric loss of the garbage is homogenized, and the heating unevenness due to the irradiation of electromagnetic waves is reduced, so that the heating efficiency can be further improved.

  According to a second aspect of the present invention, the conveying means of the rotary screw is composed of a rotary screw and an outer portion having a U-shaped cross section that encloses the rotary screw, and a steam exhaust port is disposed above the outer portion. The upper part of the rotating screw is in the open state, and the generated steam can be discharged from the upper part with almost no resistance, preventing condensation from re-condensing in the conveying means, deteriorating drying performance, and fouling the conveying means. It can be done.

  According to the third aspect of the present invention, the dry waste storage container is provided outside the drying chamber so as to be detachable from the discharge port, so that the capacity of the dry waste storage container can be increased and can be easily attached to and taken out from the main body of the garbage drying processor. Can be.

  In the fourth invention, since the dry waste storage container is configured to be detachable from the discharge port in the drying chamber, the dry waste storage container is configured in the drying chamber. Even if it is discharged undried from the discharge port, the finish can be dried in the dry waste storage container, and the undried garbage can be eliminated.

  In a fifth aspect of the present invention, the rotary screw type conveying means is inclined upward from the input portion toward the discharge port side. This prevents water generated from the crushed garbage from flowing out to the discharge port side and completely evaporates during conveyance.

  In the sixth aspect of the present invention, the screw diameter of the rotary screw type conveying means is configured such that the diameter decreases from the input portion toward the discharge port. As a result, even if the rotary screw is configured in a substantially horizontal state, it can be inclined toward the discharge port, so that moisture generated from the crushed garbage can be prevented from flowing out to the discharge port side. In addition, since the rotary screw can be configured in a substantially horizontal state, the force applied to the bearing can be simply configured only in the vertical direction, and the receiving bearing can be configured simply, and the position of the bearing can be configured high, so that there is no need for sealing.

  In the seventh aspect of the invention, the screw pitch of the rotary screw type conveying means is configured to become smaller from the input portion toward the discharge port side. With this configuration, when drying garbage, the moisture content of the garbage is lower than the conveyance speed sent at constant rate drying when the moisture content is high, and the rate of drying when the evaporation rate is slowed down. The transporting speed of the food is reduced in volume of garbage, and the amount to be sent may be small, and it is necessary to dry it over time, and it can be transported slowly by reducing the screw pitch.

  In the eighth aspect of the invention, the rotary screw type conveying means is provided with a control means for performing forward and reverse rotation. Accordingly, the garbage can be conveyed and reversely fed back by reverse rotation, whereby the garbage can be agitated, so that the drying performance can be improved. In addition, when garbage is clogged in the screw, it is possible to prevent clogging by repeating forward and reverse rotation.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a garbage drying processing machine according to the first embodiment of the present invention, and FIG. 2 is a sectional view taken along line AA in FIG. 1 of the garbage drying processing machine according to the embodiment. It is.

  In FIG. 1, there is a drying chamber 2 surrounded by a metal conductive material provided in a garbage drying processing machine main body 1 and a magnetron 3 that radiates electromagnetic waves, and is guided to a waveguide 4 and has electromagnetic waves in the drying chamber 2. It comes to irradiate. In the drying chamber 2, a rotary screw 7 for conveyance, which is rotationally driven through a joint 6 by a driving device 5 provided outside the drying chamber 2 and is made of a heat-resistant and low dielectric loss resin material or the like, and its Conveying means 9 comprising a frame body 8 constituting an outer frame is provided. Above the outside of the drying chamber 2 is a throwing-in part 11 and a throwing lid 12 for the garbage 10, and a grinding means 13 is provided below the throwing part 11. The pulverizing means 13 includes a drive motor 15 that drives the pulverizing cutter 14, and is connected to a pulverized waste input port 16 provided with a small hole above the conveying means 9 in the drying chamber 2. A dry garbage discharge port 17 is provided in the side wall of the drying chamber 2 on the downstream side of the transport means 9, and a dry garbage storage container 18 detachably provided on the garbage drying processing machine main body 1 is provided on the outside thereof. Is provided. Further, a steam exhaust port 19 is provided above the transport means 9 on the wall surface of the drying chamber 2, particularly on the top surface, and the steam generated from the garbage 10 in the transport means 9 section is removed from the deodorizing means 20 and the exhaust fan 21. The air is exhausted to the outside.

  In FIG. 2, the conveying means 9 is composed of a rotary screw 7 and a frame body 8 having a substantially U-shaped cross section covering its outer shell, and is fixed to the top surface of the drying chamber 2.

  In the above configuration, when the garbage drying processing machine main body 1 is operated, the input lid 12 is opened, the garbage 10 is input into the input unit 11, and the input lid 12 is closed, the pulverization cutter of the pulverizing means 13 operates the drive motor 15. , The thrown-in garbage 10 is pulverized, and the crushed garbage 10 is dropped into the conveying means 9 through the small holes provided in the pulverized-trash input 16. The dropped garbage 10 is moved in the direction of the discharge port 17 by the rotary screw 7 rotated by the driving device 5. At this time, the magnetron 3 is operated and electromagnetic waves are irradiated into the drying chamber 2 through the waveguide 4. Since the conveying means 9 includes a conveying rotary screw 7 made of a heat-resistant and low dielectric loss resin material and the like and a frame 8 constituting the outer frame thereof, the conveying means 9 is conveyed by high-frequency electromagnetic waves irradiated from the magnetron 3. The garbage 10 in the inside is directly heated by dielectric heating, and moisture is sequentially evaporated and dried while being conveyed.

  At this time, steam and odor components generated from the garbage 10 are sucked from the steam exhaust port 19 by the exhaust fan 21 and removed to the outside air after the odor components are removed by the deodorizing means 20.

  At this time, since the steam exhaust port 19 for discharging steam is located on the top surface of the drying chamber 2, the steam of the garbage 10 generated by direct heating by the magnetron 3 can be immediately exhausted without resistance. It is possible to prevent re-condensation and decrease the drying performance or soil the inside of the conveying means 9. Further, the dry waste that has nearly reached the discharge port 17 and is almost dried is discharged from the discharge port 17 to the dry waste storage container 18 outside the drying chamber 2. Furthermore, since this dry waste storage container 18 is detachably attached to the garbage drying processing machine main body 1, the dry waste can be taken out and used as fertilizer or simply discarded. .

  In the present embodiment, the conveying means 9 is provided in the drying chamber 2 that is irradiated with electromagnetic waves by the magnetron 3, the pulverizing means 13 is provided in the preceding stage, and the crushed garbage 10 is irradiated with electromagnetic waves in the drying chamber 2. However, since the operation of sequentially drying is controlled by a control unit (not shown), it is dried little by little by direct heating, so that the drying time is fast and the thermal efficiency is high, so the power consumption is reduced. Further, the garbage 10 can be continuously fed at any time from the loading unit 11, and even when the garbage 10 newly generated during the operation of the garbage drying processing machine main body 1 is thrown in, unpleasant odor or steam is generated. It is possible to eliminate diffusion and discomfort in the room. Furthermore, since the garbage 10 is pulverized and then dielectrically heated by heating with the magnetron 3, the metal is mixed and discharged, the dielectric loss of the material to be heated is homogenized by pulverization, and abnormal heating due to uneven heating is also caused. It does not happen and the safety is improved.

(Embodiment 2)
FIG. 3 is a longitudinal sectional view of a garbage drying processing machine according to the second embodiment of the present invention. In addition, about the structure same as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 3, there is a drying chamber 2 surrounded by a metal conductive material provided in a garbage drying processing machine main body 1 and a magnetron 3 that radiates electromagnetic waves, and is guided to a waveguide 4 and has electromagnetic waves in the drying chamber 2. It comes to irradiate. In the drying chamber 2, a rotary screw 7 for conveyance, which is rotationally driven through a joint 6 by a driving device 5 provided outside the drying chamber 2 and is made of a heat-resistant and low dielectric loss resin material or the like, and its Conveying means 9 comprising a frame body 8 having a U-shaped cross section constituting an outer frame is provided. Outside the upper part of the drying chamber 2, there are an input part 11 and an input cover 12 for the garbage 10, and a pulverizing means 13 is provided below the input part 11. The crushing means 13 includes a drive motor 15 that drives the crushing cutter 14, and is connected to a crushing dust input port 16 provided with a small hole above the conveying means 9 in the drying chamber 2. A dry garbage discharge port 17 and a dry waste storage container 18 are provided on the side wall of the drying chamber 2 on the downstream side of the conveying means 9. Further, the dry waste storage container 18 can be attached to and detached from the outside by a disposal door 22 provided on the side wall of the drying chamber 2.

  Further, a steam exhaust port 19 is provided on the wall surface of the drying chamber above the conveying means 9 and is exhausted to the outside through the deodorizing means 20 and the exhaust fan 21. The difference from the embodiment in FIG. 1 is that the pulverizing means 13 and the dried waste storage container 18 after transport are configured inside the drying chamber 2.

  In the above configuration, when the garbage drying processing machine main body 1 is operated, the input lid 12 is opened, the garbage 10 is input into the input unit 11, and the input lid 12 is closed, the pulverization cutter of the pulverizing means 13 operates the drive motor 15. , The thrown-in garbage 10 is pulverized, and the crushed garbage 10 is dropped into the conveying means 9 through the small holes provided in the pulverized-trash input 16. At this time, the magnetron 3 is operated, and the garbage 10 being crushed can be heated in advance to promote evaporation. Furthermore, the garbage 10 dropped from the crushing means 13 is moved in the direction of the discharge port 17 by the rotating screw 7 rotated by the driving device 5. Also at this time, the magnetron 3 is operated, and electromagnetic waves are irradiated into the drying chamber 2 through the waveguide 4.

  The garbage 10 being conveyed is directly heated by the dielectric heating by the high-frequency electromagnetic wave irradiated from the magnetron 3, and the moisture is sequentially evaporated and dried while being conveyed. At this time, steam and odor components generated from the garbage 10 are sucked from the steam exhaust port 19 by the exhaust fan 21 and removed to the outside air after the odor components are removed by the deodorizing means 20. Further, the dry waste that has nearly reached the discharge port 17 and is almost dried is discharged from the discharge port 17 to the dry waste storage container 18. Furthermore, since the stored dry waste storage container 18 is also inside the drying chamber 2, the garbage that cannot be completely dried by the transport means 9 can be reliably dried. Further, the stored dry waste can be disposed of outside by opening the disposal door 22.

  In the present embodiment, the pulverizing means 13, the conveying means 9, and the dry waste storage container 18 are provided in the drying chamber 2 that is irradiated with electromagnetic waves by the magnetron 3, whereby the input garbage 10 is transported in the drying chamber 2. In addition to the means 9, the drying waste storage container 18 is also controlled by a control unit (not shown) for sequentially drying while irradiating electromagnetic waves. Faster time and better heat efficiency reduce power consumption. Furthermore, the garbage 10 can be continuously fed at any time from the loading unit 11, and even when the garbage 10 newly generated during the operation of the garbage drying processing machine main body 1 is thrown in, unpleasant odor or steam is generated. It is possible to eliminate diffusion and discomfort in the room. Furthermore, since the garbage 10 is pulverized and then dielectrically heated by heating with the magnetron 3, the metal is mixed to cause discharge, and the dielectric loss of the material to be heated is homogenized by pulverization and abnormal heating due to uneven heating. This will also improve safety.

(Embodiment 3)
FIG. 4 is a partial vertical cross-sectional view of a garbage drying processing machine according to the third embodiment of the present invention. In addition, about the structure same as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 4, the rotating screw 7 of the conveying means 9 is installed with an inclination, and the input part 11 side is inclined with respect to the conveying direction and the discharge port 17 side is inclined with a high inclination.

  With the above configuration, the garbage 10 pulverized by the pulverizing means 13 and put into the conveying means 9 is in a state where the liquid content is increased by pulverization. For this reason, when the conveying means 9 and the rotary screw 7 are horizontal, the generated liquid may flow toward the discharge port 17 and enter the dry waste storage container 18 without being dried by the magnetron 3, and this liquid Is inclined to prevent it from flowing into the discharge port 17 and entering the dry waste storage container 18.

(Embodiment 4)
FIG. 5 is a partial vertical cross-sectional view of a garbage drying processor in the fourth embodiment of the present invention. In addition, about the structure same as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 5, the rotary screw 7 of the conveying means 9 is configured horizontally and is configured so that the diameter decreases from the input portion 11 side toward the discharge port 17, and the frame 8 also extends along the outer periphery of the rotary screw 7. It has a configuration.

  With the above configuration, the frame 8 is inclined toward the discharge port 17 so that the liquid generated from the garbage 10 does not flow directly into the dry waste storage container 18. Further, as the garbage 10 is conveyed to the discharge port 17 side, the water is evaporated, and the volume is reduced to about a fraction. For this reason, the conveyance capacity is smaller on the discharge port 17 side than the input unit 11, and by reducing the diameter of the rotary screw 7, the compressive force between the frame body 8 is maintained and water is expelled from the garbage 10. The effect is sustained and the drying performance is further improved.

(Embodiment 5)
FIG. 6 is a partial vertical cross-sectional view of a garbage drying processing machine according to the fifth embodiment of the present invention. In addition, about the structure same as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 6, the rotating screw 7 of the conveying means 9 is configured so that the pitch 23 becomes smaller toward the discharge port 17 from the input unit 11 side toward the discharge port 17.

  With this configuration, moisture is evaporated as the garbage 10 is conveyed to the discharge port 17 side, and the volume is reduced to about a fraction. For this reason, the conveying capacity is smaller on the discharge port 17 side than the input unit 11, and by sequentially reducing the pitch 23 of the rotary screw 7, the compression force between the pitches 23 is maintained, and the moisture is expelled from the garbage 10. Persists. For this reason, drying performance can be improved more.

  In the first to fifth embodiments described above, only the control for rotating the rotating screw 7 of the conveying means 9 in the conveying direction has been described, but not only the rotating screw 7 is rotated in the conveying direction but also periodically. The drying performance is improved by using a control means for controlling the garbage 10 to be agitated by reversing the garbage 10 by reverse rotation periodically.

  As described above, the garbage drying processing machine according to the present invention dries garbage in a short time and with less energy (electricity cost) by a direct heating method using a magnetron, and at any time without waiting for completion of drying. Garbage can be put in continuously, safety by metal loading, which is the issue of magnetron heating, and garbage drying treatment machine that prevents centralized heating are possible. It can also be applied to food dryers.

The longitudinal cross-sectional view of the garbage drying processing machine in Embodiment 1 of this invention Garbage drying processing machine in the embodiment AA sectional view of FIG. The longitudinal cross-sectional view of the garbage drying processing machine in Embodiment 2 of this invention The principal part longitudinal cross-sectional view of the garbage drying processing machine conveyance part in Embodiment 3 of this invention The principal part longitudinal cross-sectional view of the garbage drying processing machine conveyance part in Embodiment 4 of this invention The principal part longitudinal cross-sectional view of the garbage drying processing machine conveyance part in Embodiment 5 of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Garbage drying processing machine main body 2 Drying chamber 3 Magnetron 7 Rotating screw 8 Frame 9 Conveying means 10 Garbage 11 Input part 13 Crushing means 17 Discharge port 18 Dry waste storage container 19 Steam exhaust port 23 Pitch

Claims (8)

Raw garbage input unit, garbage pulverizing means connected to the input part, heating means for irradiating electromagnetic waves with a magnetron, drying chamber receiving the electromagnetic wave irradiation, and pulverization in communication with the pulverizing means in the drying chamber Rotating screw type conveying means that can be dried by irradiating with electromagnetic waves while conveying garbage, steam outlet for generated steam from garbage, discharge outlet for dried garbage, and dried garbage for storing dried garbage The garbage drying processing machine which provided the storage container and the control part which controls the said crushing means, the said heating means, and the said conveyance means, and connected the said dry waste storage container with the said discharge port so that attachment or detachment was possible. 2. The garbage according to claim 1, wherein the rotary screw type conveying means is constituted by a rotary screw and an outer portion having a U-shaped cross section that encloses the rotary screw, and a steam exhaust port is disposed at an upper portion of the outer portion. Drying machine. The garbage drying processing machine of Claim 1 or 2 which provided the dry waste storage container so that attachment or detachment was possible outside the drying chamber. The garbage drying processing machine of Claim 1 or 2 which provided the dry waste storage container in the drying chamber so that attachment or detachment was possible. The garbage drying processing machine according to any one of claims 1 to 4, wherein the rotary screw type conveying means is inclined upward from the input portion toward the discharge port side. The garbage drying processing machine according to any one of claims 1 to 4, wherein the screw diameter of the rotary screw type conveying means is configured so that the diameter decreases from the input portion toward the discharge port side. The garbage drying processing machine according to any one of claims 1 to 4, wherein the screw pitch of the rotary screw-type conveying means is configured to become smaller from the input portion toward the discharge port. The garbage drying processing machine according to claim 1, wherein the rotary screw type conveying means is provided with a control means for performing forward and reverse rotation.

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