JP3724384B2 - Deodorizing device and garbage processing machine equipped with the same - Google Patents

Deodorizing device and garbage processing machine equipped with the same Download PDF

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Publication number
JP3724384B2
JP3724384B2 JP2001146237A JP2001146237A JP3724384B2 JP 3724384 B2 JP3724384 B2 JP 3724384B2 JP 2001146237 A JP2001146237 A JP 2001146237A JP 2001146237 A JP2001146237 A JP 2001146237A JP 3724384 B2 JP3724384 B2 JP 3724384B2
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JP
Japan
Prior art keywords
case
catalyst
heater
garbage
catalyst heater
Prior art date
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Expired - Fee Related
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JP2001146237A
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Japanese (ja)
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JP2002336816A (en
Inventor
繁彦 下村
昌弘 木村
基道 三島
光康 小川
義幸 東山
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Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2001146237A priority Critical patent/JP3724384B2/en
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  • Drying Of Solid Materials (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Processing Of Solid Wastes (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、生ごみ処理機等から発生する臭気成分や油煙などを浄化する脱臭装置およびそれを備えた生ごみ処理機に関するものである。
【0002】
【従来の技術】
従来、生ごみ処理機では、生ごみを加熱することから発生する臭いや油煙を浄化するために、触媒を用いるものがある。従来の生ごみ処理機の一例を図5に示す。図5において、121は生ごみ処理機本体、122は生ごみを収納する収納部で、ほぼ中央部に回転軸123、生ごみを撹拌する撹拌羽根124を備えている。収納部122の上部に生ごみを加熱する加熱手段125が配してある。加熱手段125は乾燥用ヒータ126及び、乾燥ファン127から構成され、熱風を生ごみに当てて生ごみの表面を加熱する。尚、乾燥ファン127は乾燥モータ128により回転駆動される。一方、収納部122内の水蒸気を排出する経路として、前記収納部122に連通する吸気通路103および排気通路136が形成され、前記両通路間に、図6のような金属パイプ101に帯状の金属薄板を螺旋状に巻回して形成したフィン102に触媒を担持し、このフィン102を配置して金属パイプ101内に装着した触媒ヒータ108で触媒を加熱して臭気成分を酸化分解する脱臭装置137が設置されている。収納部122の天面には吸気口133、排気通路136の後方には排気ファン134が設置されている。135は回転軸123を駆動する駆動モータである。
【0003】
上記従来の生ごみ処理機において、生ごみ処理機本体121の運転(生ごみの加熱)と同時に脱臭装置137の触媒ヒータ108により触媒が加熱され、排気ファン134も作動すると、吸気口133から外気が吸引され、収納部122内の臭気を含む空気を脱臭装置137で脱臭し、外部に排気する。
【0004】
【発明が解決しようとする課題】
しかしながら上記従来の構成では、浄化能力を高めるためには、所定値以上の発熱量を有する触媒ヒータ108が必要で、また、触媒ヒータ108が一個であるため、常に上記発熱量を発することになり、触媒ヒータ108の消費電力によるランニングコストが高くなるという課題を有していた。
【0005】
本発明は上記課題を解決するもので、浄化能力を低下させることなく、触媒ヒータの消費電力によるランニングコストを低減した脱臭装置およびそれを備えた厨芥処理機を提供することを目的とするものである。
【0006】
【課題を解決するための手段】
上記目的を達成するために本発明は、U字形状の複数の触媒ヒータと、前記触媒ヒータにより加熱され複数の孔を有する熱伝導性薄板を複数固定して形成し触媒を担持したフィンと、前記孔に熱伝導性パイプを挿入して、前記熱伝導性パイプ内に装着した触媒ヒータ、前記触媒ヒータのU字部分を下方にしてフィンとともに収納するケースと、前記ケースの上下方向に沿って配設された入り口パイプと、前記ケースの上方に設けられた出口パイプとを備え、排ガスは前記入り口パイプの下方側より前記ケース内に流入し、前記ケース内を上昇して、前記出口パイプより排出される構成としかつ前記複数の触媒ヒータの通電切り換え可能としたもので、浄化能力を低下させることなく、触媒ヒータの消費電力によるランニングコストを低減した脱臭装置およびそれを備えた厨芥処理機を提供できる。
【0007】
【発明の実施の形態】
本発明の請求項1記載の発明は、U字形状の複数の触媒ヒータと、前記触媒ヒータにより加熱され複数の孔を有する熱伝導性薄板を複数固定して形成し触媒を担持したフィンと、前記孔に熱伝導性パイプを挿入して、前記熱伝導性パイプ内に装着した触媒ヒータ、前記触媒ヒータのU字部分を下方にしてフィンとともに収納するケースと、前記ケースの上下方向に沿って配設された入り口パイプと、前記ケースの上方に設けられた出口パイプとを備え、排ガスは前記入り口パイプの下方側より前記ケース内に流入し、前記ケース内を上昇して、前記出口パイプより排出される構成としかつ前記複数の触媒ヒータの通電切り換え可能としたもので、浄化能力を低下させることなく、触媒ヒータの消費電力によるランニングコストを低減した脱臭装置およびそれを備えた厨芥処理機を提供できる。
【0008】
本発明の請求項記載の発明は、上記請求項1記載の発明において、排ガスの流れに対し上流側のフィンになるほど、触媒ヒータのワット密度を大きくさせるもので、温度上昇の遅い排ガス入り口近傍でのフィンの温度を短時間で高めることで、短時間で触媒フィンを効率的に暖めることができる。
【0009】
本発明の請求項記載の発明は、上記請求項1または2に記載の発明において、温度検出部を触媒ケースの排気流入部近傍に設けたもので、精度の高い脱臭装置の温度制御ができる。
【0010】
本発明の請求項記載の発明は、浄化能力を低下させることなく、触媒ヒータの消費電力によるランニングコストを低減した脱臭装置を備えた厨芥処理機を提供できる。
【0011】
【実施例】
以下、本発明の一実施例について添付図面をもとに説明する。なお、生ごみ処理機については、動作は従来例と同様なので説明は省略する。図1〜図4において、6個の孔3を設けた円形の熱伝導性薄板5を複数固定してフィン2を形成し、フィン2の表面には触媒を担持している。前記孔3には金属性からなる熱伝導性パイプ1を挿入するとともに、前記熱伝導性パイプ1内にはU字形状の触媒ヒータ8を3本装着してある。図3に基づいて、前記3本の触媒ヒータ8の配置について説明すると、手前側には触媒ヒータ8a、その後方には触媒ヒータ8b、さらに前記触媒ヒータ8bの後方には、残りのヒータが配設されている。
【0012】
また、それぞれの触媒ヒータ8のうち2本の触媒ヒータ8a、8bは、その発熱箇所 異なり、本実施例においては、一方の触媒ヒータ8aは全体が発熱し、他方の触媒ヒータ8bは下方のU字部分のみが発熱する構成を成している。また、制御部(図示せず)により触媒ヒータ8の通電が切り替えられるよう構成している。また、フィン2の外周には金属の網9を巻き、更にその外周にはシール用断熱材10を巻いている。そして、前記熱伝導性パイプ1およびフィン2のユニットはケース4に挿入されることで、脱臭装置7を形成している。
【0013】
13は排ガスの吸気通路であるケース4の入り口パイプ、6は排ガスの排気通路である出口パイプで、フィン2の表面には排ガス通路用の通気口(図示せず)が設けてある。図1、図2に基づいて、前記排ガスの流れについて説明すると、前記排ガスは、ケース4の上下方向に沿って配設された(図1の破線で表示)入り口パイプ13の下方側の開口部より、ケース4内に流入し、その後、前記排ガス通路用の通気口を通り、フィン2を通過しながら、ケース4内を下方から上方に向かい上昇していき、ケース4の上方に設けられた出口パイプ6より排出する。
【0014】
さらに、フィン2の下流側になるに従って、触媒ヒータ8のワット密度が小さくなるような構成となっている。また、ケース4の排ガスの入り口パイプ13に温度検出部11を設けている。温度検出部11は入り口パイプ13の温度を検知し、ケース4内で異常燃焼が起きた時、触媒ヒータ8の通電を停止、あるいは、生ごみ処理機本体の通電を停止して触媒ヒータ8の断線や、脱臭装置の損傷を防止するものである。
【0015】
上記構成において、フィン2の下流側になるに従って触媒ヒータ8のワット密度が小さくなるような構成となっている、いわゆる上流側において、ワット密度が大きくなっていることで、排ガスがフィン2を通過する前に主に加熱され、加熱された前記排ガスが前記フィン2を通過することで、前記フィン2の熱分布の均一化を図り、浄化能力をより高めることができる。
【0016】
また、一方の触媒ヒータ8aは全体が発熱し、他方の触媒ヒータ8bは下方のU字部分のみが発熱する構成を成していて、触媒を活性化するまでは全体が発熱する触媒ヒータ8aを用いて短時間でフィン2を加熱し、触媒を活性化した後には下方のU字部分のみが発熱する触媒ヒータ8bを用いて、排ガスがフィン2を通過する前に主に加熱され、加熱された前記排ガスが前記フィン2を通過することで、前記フィン2の熱分布の均一化を図り、浄化能力をより高めるものである。
【0017】
また、温度検出部11をケース4より離れた入り口パイプ13に設けているため、ケース4内で異常燃焼が起きても温度検出部11の寿命に影響するような高温になることはない。温度検出部11は入り口パイプ13に溶接やネジ止等で取り付けられたばね製の保持板12より温度検出部11が入り口パイプ13に常に密着するように取り付けられているので、ケース4内で異常燃焼が生じるときの入り口パイプ13を把握しておけば確実な温度検出ができる。
【0018】
【発明の効果】
本発明によれば、浄化能力を低下させることなく、触媒ヒータの消費電力によるランニングコストを低減した脱臭装置およびそれを備えた厨芥処理機を提供できる。
【図面の簡単な説明】
【図1】 本発明の一実施例の脱臭装置の側面図
【図2】 同脱臭装置の側断面図
【図3】 同触媒ユニットの側面図
【図4】 温度検出部の部分拡大図
【図5】 従来の生ごみ処理機の断面図
【図6】 同脱臭装置の断面図
【符号の説明】
1 熱伝導性パイプ
2 フィン
3 孔
4 ケース
5 熱伝導性薄板
8 触媒ヒータ
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a deodorizing device for purifying odor components and oily smoke generated from a garbage disposal machine and the like, and a garbage disposal machine equipped with the same.
[0002]
[Prior art]
Conventionally, some garbage processing machines use a catalyst in order to purify odors and oily smoke generated by heating garbage. An example of a conventional garbage processing machine is shown in FIG. In FIG. 5, 121 is a garbage processing machine main body, 122 is a storage part for storing the garbage, and is provided with a rotating shaft 123 and a stirring blade 124 for stirring the garbage in a substantially central part. A heating means 125 for heating the garbage is disposed at the upper part of the storage unit 122. The heating means 125 includes a drying heater 126 and a drying fan 127, and heats the surface of the garbage by applying hot air to the garbage. The drying fan 127 is driven to rotate by a drying motor 128. On the other hand, an intake passage 103 and an exhaust passage 136 communicating with the storage portion 122 are formed as paths for discharging water vapor in the storage portion 122, and a strip-shaped metal pipe 101 is formed on the metal pipe 101 as shown in FIG. A deodorizing apparatus 137 for supporting a catalyst on a fin 102 formed by winding a thin plate in a spiral shape, and oxidatively decomposing an odor component by heating the catalyst with a catalyst heater 108 disposed in the metal pipe 101 and disposing the fin 102. Is installed. An intake port 133 is installed on the top surface of the storage section 122, and an exhaust fan 134 is installed behind the exhaust passage 136. Reference numeral 135 denotes a drive motor that drives the rotary shaft 123.
[0003]
In the conventional garbage processor, when the catalyst is heated by the catalyst heater 108 of the deodorizer 137 simultaneously with the operation of the garbage processor main body 121 (heating of the garbage) and the exhaust fan 134 is also operated, the outside air is discharged from the intake port 133. Is sucked, the air containing the odor in the storage part 122 is deodorized by the deodorizing device 137 and exhausted to the outside.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional configuration, in order to increase the purification capacity, the catalyst heater 108 having a heat generation amount equal to or greater than a predetermined value is required, and since the catalyst heater 108 is one, the heat generation amount is always generated. The running cost due to the power consumption of the catalyst heater 108 is high.
[0005]
This invention solves the said subject, and it aims at providing the deodorizing apparatus which reduced the running cost by the power consumption of a catalyst heater, and a soot processor provided with the same, without reducing purification capacity. is there.
[0006]
[Means for Solving the Problems]
To accomplish the above object, a plurality of catalytic heaters U-shaped, Fi down and carrying a thermally conductive sheet having a plurality of holes are heated to form a plurality fixed catalyst by the catalytic heater , by inserting a thermally conductive pipe before Kiana, a catalyst heater mounted on the thermally conductive pipe, and a case for housing with fins and the U-shaped portion of the catalytic heater downward, vertical direction of the case And an outlet pipe provided above the case, exhaust gas flows into the case from the lower side of the inlet pipe, rises in the case, a configuration that is discharged from the outlet pipe, and one which enables switching the energization of said plurality of catalytic heaters, without lowering the cleaning capacity, the running cost due to power consumption of the catalyst heater low It can provide the deodorizing apparatus and garbage processor equipped with the same.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The invention of claim 1, wherein the present invention comprises a plurality of catalytic heaters U-shaped, Fi down and carrying a thermally conductive sheet having a plurality of holes are heated to form a plurality fixed catalyst by the catalytic heater , by inserting a thermally conductive pipe before Kiana, a catalyst heater mounted on the thermally conductive pipe, and a case for housing with fins and the U-shaped portion of the catalytic heater downward, vertical direction of the case And an outlet pipe provided above the case, exhaust gas flows into the case from the lower side of the inlet pipe, rises in the case, a configuration that is discharged from the outlet pipe, and one which enables switching the energization of said plurality of catalytic heaters, without lowering the cleaning capacity, and reduce the running cost due to power consumption of the catalyst heater Possible to provide a deodorizing apparatus and a garbage processor having the same.
[0008]
The invention of claim 2, wherein the present invention is the invention according to the first aspect, as made on the upstream side of the fin with respect to exhaust gas flow, one which greatly watt density of the catalyst heater, slow exhaust inlet vicinity temperature rise By increasing the temperature of the fin in a short time, the catalyst fin can be efficiently warmed in a short time.
[0009]
The invention according to claim 3 of the present invention is the invention according to claim 1 or 2 , wherein the temperature detection part is provided in the vicinity of the exhaust inflow part of the catalyst case, and the temperature control of the deodorizing apparatus with high accuracy can be performed. .
[0010]
The invention according to claim 4 of the present invention can provide a soot treating machine provided with a deodorizing device that reduces the running cost due to the power consumption of the catalyst heater without reducing the purification capacity.
[0011]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. The operation of the garbage processing machine is the same as that of the conventional example, and the description thereof is omitted. 1 to 4, fins 2 are formed by fixing a plurality of circular heat conductive thin plates 5 provided with six holes 3, and a catalyst is supported on the surfaces of the fins 2. A metal-made heat conductive pipe 1 is inserted into the hole 3, and three U-shaped catalyst heaters 8 are mounted in the heat conductive pipe 1. The arrangement of the three catalyst heaters 8 will be described with reference to FIG. 3. The catalyst heater 8a is arranged on the front side, the catalyst heater 8b is arranged behind the catalyst heater 8b, and the remaining heaters are arranged behind the catalyst heater 8b. It is installed.
[0012]
Further, two catalyst heaters 8a and 8b out of the respective catalyst heaters 8 are different from each other in heat generation . In this embodiment, one catalyst heater 8a generates heat entirely, and the other catalyst heater 8b has a lower position. Only the U-shaped portion generates heat. Moreover, it is comprised so that electricity supply of the catalyst heater 8 may be switched by the control part (not shown). A metal net 9 is wound around the outer periphery of the fin 2, and a sealing heat insulating material 10 is wound around the outer periphery thereof. And the unit of the said heat conductive pipe 1 and the fin 2 is inserted in the case 4, and the deodorizing apparatus 7 is formed.
[0013]
Reference numeral 13 denotes an inlet pipe of the case 4 which is an exhaust gas intake passage, and reference numeral 6 denotes an outlet pipe which is an exhaust gas exhaust passage. A vent (not shown) for the exhaust gas passage is provided on the surface of the fin 2. The flow of the exhaust gas will be described with reference to FIGS. 1 and 2. The exhaust gas is disposed along the vertical direction of the case 4 (indicated by a broken line in FIG. 1). Then, it flows into the case 4, then passes through the vent for the exhaust gas passage, passes through the fins 2, and rises upward from below in the case 4, and is provided above the case 4. Discharge from the outlet pipe 6.
[0014]
Furthermore, the watt density of the catalyst heater 8 is configured to become smaller toward the downstream side of the fin 2. Further, the temperature detection unit 11 is provided in the inlet pipe 13 for the exhaust gas of the case 4. The temperature detector 11 detects the temperature of the inlet pipe 13, and when abnormal combustion occurs in the case 4, the energization of the catalyst heater 8 is stopped, or the energization of the garbage processing machine body is stopped and the catalyst heater 8 is turned off. This prevents disconnection and damage to the deodorizing device.
[0015]
In the above configuration, the watt density of the catalyst heater 8 decreases as it goes downstream of the fin 2, and the exhaust gas passes through the fin 2 because the watt density increases on the so-called upstream side. Before the heating, the heated exhaust gas passes through the fins 2, so that the heat distribution of the fins 2 can be made uniform and the purification ability can be further enhanced.
[0016]
One catalyst heater 8a generates heat entirely, and the other catalyst heater 8b generates heat only in the lower U-shaped portion. The catalyst heater 8a generates heat until the catalyst is activated. Using the catalyst heater 8b that heats the fin 2 in a short time and activates the catalyst, and only the lower U-shaped portion generates heat, the exhaust gas is mainly heated and heated before passing through the fin 2. Further, the exhaust gas passes through the fins 2, so that the heat distribution of the fins 2 is made uniform and the purification ability is further enhanced.
[0017]
In addition, since the temperature detection unit 11 is provided in the inlet pipe 13 that is away from the case 4, even if abnormal combustion occurs in the case 4, the temperature does not reach a high temperature that affects the life of the temperature detection unit 11. The temperature detection unit 11 is attached so that the temperature detection unit 11 is always in close contact with the entrance pipe 13 from a spring holding plate 12 attached to the entrance pipe 13 by welding or screwing. If the inlet pipe 13 is grasped when this occurs, reliable temperature detection can be performed.
[0018]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the deodorizing apparatus which reduced the running cost by the power consumption of a catalyst heater, and a soot processing machine provided with the same can be provided, without reducing purification capacity.
[Brief description of the drawings]
Side view Figure 2 is a side view and FIG. 4 is a partial enlarged view of the temperature detecting portion of a side cross-sectional view [FIG 3] the catalyst unit of the deodorizing device of the deodorizing apparatus of an embodiment of the invention, FIG [ [Fig. 5] Cross-sectional view of a conventional garbage disposal machine [Fig. 6] Cross-sectional view of the same deodorizing device [Explanation of symbols]
1 Thermal Conductive Pipe 2 Fin 3 Hole 4 Case 5 Thermal Conductive Thin Plate 8 Catalyst Heater

Claims (4)

U字形状の複数の触媒ヒータと、前記触媒ヒータにより加熱され複数の孔を有する熱伝導性薄板を複数固定して形成し触媒を担持したフィンと、前記孔に熱伝導性パイプを挿入して、前記熱伝導性パイプ内に装着した触媒ヒータ、前記触媒ヒータのU字部分を下方にしてフィンとともに収納するケースと、前記ケースの上下方向に沿って配設された入り口パイプと、前記ケースの上方に設けられた出口パイプとを備え、排ガスは前記入り口パイプの下方側より前記ケース内に流入し、前記ケース内を上昇して、前記出口パイプより排出される構成としかつ前記複数の触媒ヒータの通電切り換え可能とした脱臭装置。Inserting a plurality of catalyst heater, and Fi down carrying a thermally conductive sheet to form a plurality fixed catalyst having a plurality of holes is heated by the catalytic heater, a thermally conductive pipe before Kiana U-shaped and, a catalyst heater mounted on the thermally conductive pipe, and a case for housing with fins and the U-shaped portion of the catalytic heater downward, the inlet pipe disposed along the vertical direction of the case, An outlet pipe provided above the case, the exhaust gas flows into the case from the lower side of the inlet pipe, rises in the case, and is discharged from the outlet pipe , and switchable conduction of the plurality of catalyst heater and the deodorizing device. 排ガスの流れに対し上流側のフィンになるほど、触媒ヒータのワット密度を大きくした請求項1記載の脱臭装置。The deodorizing apparatus according to claim 1 , wherein the watt density of the catalyst heater is increased as the fins are located upstream of the exhaust gas flow . 温度検出部を触媒ケースの排気流入部近傍に設けた請求項1または2に記載の脱臭装置。The deodorizing apparatus according to claim 1 or 2 , wherein the temperature detection part is provided in the vicinity of the exhaust inflow part of the catalyst case. 生ごみを収納する収納部と、生ごみを加熱する加熱手段を備え、前記収納部と請求項1〜のいずれか1項に記載の脱臭装置とを連通させた生ごみ処理機。A housing part for housing the garbage, comprising a heating means for heating the raw garbage, the storage unit as defined in Claim 1 garbage disposal machine communicates with the deodorizing apparatus according to any one of 3.
JP2001146237A 2001-05-16 2001-05-16 Deodorizing device and garbage processing machine equipped with the same Expired - Fee Related JP3724384B2 (en)

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