JPH01239308A - Microwave incinerator - Google Patents
Microwave incineratorInfo
- Publication number
- JPH01239308A JPH01239308A JP38989A JP38989A JPH01239308A JP H01239308 A JPH01239308 A JP H01239308A JP 38989 A JP38989 A JP 38989A JP 38989 A JP38989 A JP 38989A JP H01239308 A JPH01239308 A JP H01239308A
- Authority
- JP
- Japan
- Prior art keywords
- microwave
- incinerator
- incineration
- granular
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000011358 absorbing material Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 239000006096 absorbing agent Substances 0.000 abstract 4
- 230000005855 radiation Effects 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 239000010410 layer Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 3
- 229920003303 ion-exchange polymer Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 101100481408 Danio rerio tie2 gene Proteins 0.000 description 1
- 101100481410 Mus musculus Tek gene Proteins 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、粒状あるいは粉状の使用済みイオン交換樹脂
、使用済み活性炭、セルロース系繊維、プリコート材、
合成繊維等の廃棄物を焼却減容するためのマイクロ波を
加熱源として使用するマイクロ波焼却炉に関するもので
ある。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to granular or powdered used ion exchange resins, used activated carbon, cellulose fibers, precoat materials,
This invention relates to a microwave incinerator that uses microwaves as a heating source to incinerate and reduce the volume of waste such as synthetic fibers.
従来、マイクロ波を加熱源として使用する焼却炉として
は、焼却炉内に上部駆動式の撹拌機を設け、燃焼用空気
を撹拌羽根に設けた空気供給口から供給しつ＼、炉内に
供給される被焼却物を焼却する方式が採用されている。Conventionally, incinerators that use microwaves as a heating source have a top-driven stirrer installed inside the incinerator, and combustion air is supplied into the furnace through an air supply port installed in the stirring blade. A method is adopted in which the materials to be incinerated are incinerated.
従来のマイクロ波焼却炉には次のような問題点がある。Conventional microwave incinerators have the following problems.
ｆｉ＋ 撹拌機の駆動部が炉上部にあるため、燃焼室
の構造及び燃焼排ガス出口、マイクロ波の入口の配置等
、撹拌機駆動部の影響を受ける。fi+ Since the drive part of the stirrer is located in the upper part of the furnace, the structure of the combustion chamber, the arrangement of the combustion exhaust gas outlet, the microwave inlet, etc. are influenced by the stirrer drive part.
（２） 撹拌機の羽根から空気を供給する方式では撹
拌機の構造が複雑なものとなる。(2) In the method of supplying air from the blades of the stirrer, the structure of the stirrer becomes complicated.
（３） イオン交換樹脂の如き高分子プラスチックよ
ジなる被燃物を良好に燃焼させる為には、被燃物を撹拌
により流動化させ、且つ被燃物の層の内部に燃焼用空気
を供給し、被燃物燃焼面に均一に十分な酸素及びマイク
ロ波を供給する必要があるが、か＼る被燃物は熱により
溶融して団塊化する傾向があり、且つ熱伝導率が小さい
ため、被燃物の内部への熱の伝達が十分でなく、且つ空
気との接触も十分でなく、従って効率良く燃焼させるの
が困難で１ あつぇ。(3) In order to properly burn combustible materials such as polymeric plastics such as ion exchange resins, it is necessary to fluidize the combustible material by stirring and supply combustion air inside the layer of the combustible material. However, it is necessary to uniformly supply sufficient oxygen and microwaves to the burning surface of the combustible material, but such combustible materials tend to melt and form lumps due to heat, and their thermal conductivity is low. , heat is not sufficiently transferred to the inside of the object to be burned, and contact with air is also insufficient, making it difficult to burn efficiently.
本発明は上記問題点を解決するためになされたものでら
る。The present invention has been made to solve the above problems.
本発明は、［被焼却物を供給する為のフィーダ、焼却灰
排出口及びマイクロ波導波管を設けた竪型のマイクロ波
焼却炉において、炉床板上に粒状のマイクロ波吸収材か
らなる充填層を設け、且つ、炉の下部で駆動される前記
充填層を撹拌するための撹拌機を設けるとともに、炉底
には燃焼用空気供給部を設けたことを特徴とする竪型焼
却炉。」であって、炉底板上に粒状のマイクロ波吸収材
からなる充填層を設け、核層をマイクロ波により加熱し
つ一該層中に設けた撹拌機により撹拌しつ＼被焼却物を
供給する如く構成したため、充填１が均一に加熱され、
１だ、充填層上に供給された被焼却物は高温に加熱され
たマイクロ波吸収材表面に薄く均一にまぶされた形とな
り、熱の供給が迅速に均一に行なわれ、且つ炉底部から
供給される空気との接触面積も極めて犬とな勺、従って
被燃物を均一に、且つ、効率良く焼却しうると共に、撹
拌機を下部駆動方式としたため、炉上部の構造が撹拌機
或いはその駆動部により制約されることなく、自由に設
計しうるようになった。The present invention provides a vertical microwave incinerator equipped with a feeder for supplying materials to be incinerated, an incineration ash outlet, and a microwave waveguide, with a packed layer made of granular microwave absorbing material on a hearth plate. What is claimed is: 1. A vertical incinerator comprising: a stirrer for stirring the packed bed driven at a lower part of the furnace; and a combustion air supply section at the bottom of the furnace. '', a packed layer made of granular microwave absorbing material is provided on the furnace bottom plate, the core layer is heated by microwaves, and the material to be incinerated is supplied while being stirred by a stirrer installed in the layer. Since the structure is configured so that the filling 1 is heated uniformly,
1. The material to be incinerated supplied onto the packed bed is thinly and evenly coated on the surface of the microwave absorbing material heated to high temperature, and heat is supplied quickly and uniformly, and the material is heated from the bottom of the furnace. The area of contact with the supplied air is extremely small, so the materials to be burned can be incinerated uniformly and efficiently, and since the agitator is driven at the bottom, the structure of the upper part of the furnace is similar to that of the agitator or its It is now possible to design freely without being restricted by the drive unit.
即ち、図面に示すように、焼却炉頂部に設けた焼却排ガ
ス出口ノズル上に直接二次燃焼炉を載置することも可能
となった６まだ、前に述べたように空気と被焼却物との
接触効率が向上した結果、供給する焼却用空気量も従来
の炉に比し極めて小量の空気を供給すれば足りるので生
成する排ガスの量も少なく、特に放射性廃棄物の処理に
極めて有用なものである。In other words, as shown in the drawing, it is now possible to place the secondary combustion furnace directly on the incineration exhaust gas outlet nozzle installed at the top of the incinerator6. As a result of the improved contact efficiency, it is sufficient to supply an extremely small amount of air for incineration compared to conventional furnaces, and the amount of exhaust gas generated is also small, making it extremely useful especially for the treatment of radioactive waste. It is something.
つぎに図面に示す実施例に基いて本発明の詳細な説明す
る。第１図において、本発明の焼却炉１は、焼却排ガス
出口ノズル２、マイクロ波入口ノズル３、被焼却物供給
フィーダ４、マイクロ波吸収性粒状耐火材よりなる充填
層６、撹拌機８、炉床板５上に設けられた空気供給パッ
ド９、燃焼用空気供給管１０．１０’、及び焼却灰排出
用ノズル１１より構成されており、１２はマイクロ波発
生装置、１３はマイクロ波導波管、１４Ｖ１マイクロ波
導波管への空気供給管を示す。また、第１図においては
焼却排ガス出口ノズル上に二次燃焼炉２１を載置した装
置を示しており、２２は断熱材°、２５はマイクロ波吸
収材よりなる炉壁、２３′は多数の排ガス通路用孔を設
けたマイクロ波吸収材よりなる炉底部、２４は二次燃焼
された排ガス通路用の多数の孔を設けたマイクロ波透過
性耐火材よりなる多孔板、２５は上部炉室、２６は燃焼
排ガス排出ノズル、２７はマイクロ波入口ノズル、＋２
’ｉマイクロ波発生装置、１５′はマイクロ波導波管、
１４′はマイクロ波導波管への空気供給管を示す。Next, the present invention will be described in detail based on embodiments shown in the drawings. In FIG. 1, an incinerator 1 of the present invention includes an incineration exhaust gas outlet nozzle 2, a microwave inlet nozzle 3, a material supply feeder 4, a packed bed 6 made of a microwave-absorbing granular refractory material, a stirrer 8, a furnace It is composed of an air supply pad 9 provided on the floor plate 5, a combustion air supply pipe 10.10', and an incineration ash discharge nozzle 11, 12 is a microwave generator, 13 is a microwave waveguide, and 14V1 The air supply tube to the microwave waveguide is shown. In addition, Fig. 1 shows an apparatus in which a secondary combustion furnace 21 is mounted on the incineration exhaust gas outlet nozzle, 22 is a heat insulating material, 25 is a furnace wall made of a microwave absorbing material, and 23' is a large number of A furnace bottom part made of a microwave absorbing material provided with holes for exhaust gas passages, 24 a perforated plate made of a microwave permeable refractory material provided with a large number of holes for secondary combustion exhaust gas passages, 25 an upper furnace chamber, 26 is a combustion exhaust gas discharge nozzle, 27 is a microwave inlet nozzle, +2
'i microwave generator, 15' is a microwave waveguide,
14' indicates an air supply pipe to the microwave waveguide.
マイク０波入ロノズル３より導入されたマイクロ波によ
り高温に加熱され、且つ、炉の下部に設けられたモータ
Ｍにより駆動される撹拌機の撹拌羽根８′により撹拌さ
れている粒状マイクロ波吸収材上に被焼却物供給フィダ
ー４より供給された被焼却物は、高温の粒状マイクロ波
吸収材に薄くまぶされた状態となり急速に高温に加熱さ
れ、同時に、炉底板５上に多数設けられた空気供給バッ
ド９より粒状マイクロ波吸収材膚に均一に供給される空
気により燃焼せしめられる。The granular microwave absorbing material is heated to a high temperature by microwaves introduced from the microwave nozzle 3 and is stirred by the stirring blade 8' of the stirrer driven by the motor M provided at the bottom of the furnace. The material to be incinerated is supplied from the feeder 4 for incinerating material, and is thinly coated with high-temperature granular microwave absorbing material, and rapidly heated to a high temperature. The granular microwave absorbing material is combusted by air uniformly supplied to the skin from the air supply pad 9.
焼却炉１で発生した焼却排ガスは、焼却排ガス出口ノズ
ル２よりニ次′燃焼炉底部に設けられた孔より二次燃焼
炉に導入され、該焼却排ガス中に含有されている可燃性
ガス或いはタール等を完全に酸化燃焼すると同時に、焼
却排ガス中に含まれているアンモニア或いはシアン化合
物等の有害ガスを分解する。Incineration exhaust gas generated in the incinerator 1 is introduced into the secondary combustion furnace through an incineration exhaust gas outlet nozzle 2 through a hole provided at the bottom of the combustion furnace, and combustible gas or tar contained in the incineration exhaust gas is introduced into the secondary combustion furnace. At the same time, harmful gases such as ammonia and cyanide contained in the incineration exhaust gas are decomposed.
二次燃焼炉壁２３及び炉底２３′は、前に説明したよう
にマイクロ波吸収材で構成されており、マイクロ波入口
ノズル２７よジ導入されるマイクロ波を吸収して高温に
加熱され、その輻射熱により焼却排ガス出口ノズルより
導入される焼却排ガスを更に高温に加熱し、該排ガス中
の可燃性物質を完全に燃焼させる。As explained above, the secondary combustion furnace wall 23 and the furnace bottom 23' are made of microwave absorbing material, and are heated to a high temperature by absorbing the microwaves introduced through the microwave inlet nozzle 27. The radiant heat further heats the incineration exhaust gas introduced from the incineration exhaust gas outlet nozzle to a high temperature, and completely burns the flammable substances in the exhaust gas.
この例においては、二次燃焼炉２１の上部に燃焼ガス通
路を設けたマイクロ波透過性耐熱材よジなる多孔板２４
を設けているが、これは二次燃焼炉内の輻射熱による加
熱効果を向上せしめるためのものであって、この多孔板
２４は設けなくてもよい。又その材質としては、マイク
ロ波を多少吸収する透過材、例えばアルミナを素材とす
るものであってもよい。In this example, a perforated plate 24 made of a microwave-transparent heat-resistant material and provided with a combustion gas passage in the upper part of the secondary combustion furnace 21 is used.
However, this is to improve the heating effect by radiant heat in the secondary combustion furnace, and the perforated plate 24 does not need to be provided. The material may also be a transparent material that absorbs microwaves to some extent, such as alumina.
二次燃焼された焼却排ガスは、ついで上部炉室を経て、
上部炉室に設けられた燃焼ガス排出ノズルより排出され
、必要な場合には、通常行われている排ガス処理を行っ
た後、煙突を経て大気中に排気される。The secondary combustion incineration exhaust gas then passes through the upper furnace chamber.
The combustion gas is discharged from the combustion gas discharge nozzle provided in the upper furnace chamber, and if necessary, after undergoing the usual exhaust gas treatment, it is exhausted into the atmosphere through the chimney.
焼却炉１及び二次燃焼炉２１へのマイクロ波は、夫々マ
イクロ波発生装置１２．＋２’から導波′び１３．＋３
’を経て供給されるが、空気供給管１４．１４’よジ導
波管１３．＋３’に空気を送ることＫよす、焼却排ガス
或いは燃焼排ガスがマイクロ波発生装置１２及び１２′
に逆流するのを防止する。Microwaves are supplied to the incinerator 1 and the secondary combustion furnace 21 by microwave generators 12. Waveguide from +2' and 13. +3
The air supply pipe 14.14' is supplied through the waveguide 13.14'. Yes, the incineration exhaust gas or combustion exhaust gas is sent to the microwave generators 12 and 12'.
prevent backflow.
また、焼却炉の運転を停止した場合、焼却灰出口ノズル
を開け、撹拌機を回転させることにより粒状マイクロ波
吸収材を焼却灰と共に取り出し、灰を分離した後粒状マ
イクロ波吸収材を焼却炉に導入することＫより、焼却炉
中に蓄積した灰分を除去することができる。In addition, when the incinerator operation is stopped, the granular microwave absorbing material is taken out along with the incinerated ash by opening the incinerated ash outlet nozzle and rotating the stirrer, and after separating the ash, the granular microwave absorbing material is transferred to the incinerator. By introducing K, the ash accumulated in the incinerator can be removed.
また、第１図に示すマイクロ波吸収材壁を有する二次燃
焼炉の代りに、第５図に示すように、粒状のマイクロ波
吸収材を充填したマイクロ波燃焼炉を用いてもよい。マ
イクロ波吸収材の粒径は３ｗ１〜１００７１位のものが
好ましく、また、その充填量は、充填量の厚さが１００
電〜３００鴎程度になる量で装入すればよい。炉底部２
３′もマイクロ波吸収材を素材とするものを用いてもよ
い。Further, instead of the secondary combustion furnace having the microwave absorbing material wall shown in FIG. 1, a microwave combustion furnace filled with granular microwave absorbing material may be used as shown in FIG. The particle size of the microwave absorbing material is preferably about 3w1 to 10071, and the filling amount is such that the thickness of the filling amount is 100
It is sufficient to charge in an amount of about 300 dens. Hearth bottom 2
3' may also be made of a microwave absorbing material.
なお、第５図における各符号は、２８を除いて第１図で
示した符号と同じ意味を有する。Note that each symbol in FIG. 5 has the same meaning as the symbol shown in FIG. 1 except for 28.
第２図は、撹拌機８の装着状態の一例を示すための一部
断面拡大図である。FIG. 2 is an enlarged partial cross-sectional view showing an example of the state in which the stirrer 8 is installed.
第２図に示す例においては、撹拌機軸部は、軸冷却用の
冷却空気入口ノズル１７と軸グランド１６への焼却灰等
の漏洩並びにマイクロ波漏洩防止のための環状バッフル
構造１５を有している。また、撹拌抵抗を小とするため
、撹拌羽根Ｂ′は撹拌機の軸に対し、約３０°までの角
度をもって取り付けられている。この角度は任意の角度
でよいが、３０°以上になるとマイクロ波の幽る面が大
吉なジマイクロ波を反射するので好ましくない。In the example shown in FIG. 2, the stirrer shaft has a cooling air inlet nozzle 17 for cooling the shaft and an annular baffle structure 15 for preventing leakage of incinerated ash etc. to the shaft gland 16 and leakage of microwaves. There is. Further, in order to reduce the stirring resistance, the stirring blade B' is attached at an angle of up to about 30° to the shaft of the stirrer. This angle may be any arbitrary angle, but if it is 30 degrees or more, it is not preferable because the surface where the microwave is reflected will reflect the auspicious di-microwave.
撹拌羽根の材質としてはマイクロ波透過性セラミックス
材を使用することが好ましい。As the material of the stirring blade, it is preferable to use a microwave-transparent ceramic material.
また、撹拌機は、その取付は部分のシールを確実にする
ため、第３図に示すように炉底板上に設けた磁力による
回転素子１８を、炉底板の下に設けた回転出界発生装置
１９からの出力により回転させることにより、撹拌機を
回転せしめるように構成してもよい。In addition, in order to ensure the sealing of the parts when installing the stirrer, as shown in FIG. The agitator may be configured to rotate by being rotated by the output from the agitator.
第４図は、燃焼用空気供給パッド９の取り付は状態を示
す図であって、該パッドは、第１図に示すように粒状マ
イクロ波吸収材層に均一に空気を供給するため炉底板に
炉の大きさに応じた数のものが、第４図に示すように取
り外し可能な状態で取や付けられており、各パッドへの
空気供給管１０′の空気流量により目詰りを生じたこと
が検知された場合には取りはづして清掃できるように構
成されている。FIG. 4 is a diagram showing how the combustion air supply pad 9 is installed, and as shown in FIG. A number of pads corresponding to the size of the furnace are removably attached to the pad, as shown in Figure 4, and the air flow rate of the air supply pipe 10' to each pad can cause clogging. If this is detected, it can be removed and cleaned.
焼却炉１中に装入される粒状マイクロ波吸収材および二
次燃焼炉２１のマイクロ波吸収材炉壁２３の構成素材と
しては、８１Ｃ，Ｔｉｅ、、イルメナイト、ＢａＴ１０
ｓ、Ｆｅ２０．、ＳｉＣ＋Ｓｉ３Ｎ４、ＺｒＯ２、Ｃａ
Ｏ、砂等マイクロ波を吸収すると共に耐熱性を有するも
のであれば何れを用いても・よいが、マイクロ波の吸収
特性等からみて、ＳｉＣ，Ｔｉｅ２、イルメナイト、Ｂ
ａＴｉＯ３又はＦｅ２ｏ、が好ましく、特にＳｉＣが好
ましい。また焼却Ｆ１に装入する粒状マイクロ波吸収材
の粒径は、１〜７鴎特に２〜５１１１１のものが好まし
い。粒状マイクロ波吸収材層の厚さは、撹拌機の大きさ
によっても異なるが、通常３０ＯＮＮ程度で十分である
。なお、撹拌羽根の巾は、その長さによっても異なるが
、通常３０〜８０層のものが適している。The constituent materials of the granular microwave absorbing material charged into the incinerator 1 and the microwave absorbing material furnace wall 23 of the secondary combustion furnace 21 include 81C, Tie, ilmenite, and BaT10.
s, Fe20. , SiC+Si3N4, ZrO2, Ca
Any material can be used as long as it absorbs microwaves and has heat resistance, such as O, sand, etc. However, from the viewpoint of microwave absorption characteristics, SiC, Tie2, ilmenite, B
aTiO3 or Fe2o is preferred, and SiC is particularly preferred. Further, the particle size of the granular microwave absorbing material charged into the incineration F1 is preferably 1 to 7, particularly 2 to 51,111. The thickness of the granular microwave absorbing material layer varies depending on the size of the stirrer, but usually about 30 ONN is sufficient. The width of the stirring blade varies depending on its length, but a width of 30 to 80 layers is usually suitable.
撹拌機の回転数は炉の大きさによっても異なるが、５〜
２０回／分の程度で十分である。The rotation speed of the stirrer varies depending on the size of the furnace, but it is 5 to
Approximately 20 times/min is sufficient.
本発明はマイクロ波を加熱源として用いているのでｏｌ
ｌ、 ｏｆｆが容易でろり、焼却炉の通常の焼却温度（
３００℃〜ＳＯＯ℃）の範囲内の温度での制御が容易で
あり、また難燃性の使用済みイオン交換樹脂の如き高分
子プラスチックでも容易に効率良く焼却することが可能
である。Since the present invention uses microwaves as a heating source,
l, easy to turn off, and the normal incineration temperature of the incinerator (
It is easy to control the temperature within the range of 300°C to SOO°C, and even polymeric plastics such as flame-retardant used ion exchange resins can be easily and efficiently incinerated.
また、本発明の焼却炉は、二次燃焼炉を設け１
るのも容易であり、かつ、二次燃焼炉を図面に示すよう
なマイクロ波を加熱源とするものを用いる場合、燃焼温
度を９００℃以上に制御するのも容易であり、グラスチ
ックを焼却する場合に発生するタールあるいは油煙等も
容易に酸化燃焼させることが可能となる。Further, the incinerator of the present invention is provided with a secondary combustion furnace.
In addition, when using a secondary combustion furnace that uses microwaves as a heating source as shown in the drawing, it is easy to control the combustion temperature to 900°C or higher, and it is easy to incinerate plastic. It becomes possible to easily oxidize and burn the tar, oil smoke, etc. generated in the process.
第１図は本発明の焼却炉の一実施例を説明するための断
面概略図、第２図及び第６図は撹拌機の装着状態を示す
一部断面図、第４図は空気供給用パッドの断面図、第５
図は二次燃焼炉の一例を示す断面図である。
１・・・焼却炉、２・・・焼却排ガス出口ノズル、ろ・
・・マイクロ波入口ノズル、４・・・被焼却物供給フィ
ーダ、５・・・炉床板、７・・・撹拌軸、８・・・撹拌
機、８′・・・撹拌羽根、９・・・空気供給用パッド、
ＩＱ、１０’・・・焼却用空気導入管、１１・・・暁却
灰出ロノズル、１２．１２’・・・マイクロ波発生装置
、１５，１Ｓ’・・・マイクロ波導彼管、１５・・・環
状バッフル構造、１６・−・軸グランド、１７・・・冷
却用空気供給管、２１・・・二次燃焼炉、２２・−・断
熱材、２３・・・マイクロ波吸収材よりなる炉璧、２７
・・・マイクロ波入口ノズル、２８・・・粒状マイクロ
波吸収材
茅２図
８′
第３図
第４図 第５図Figure 1 is a schematic cross-sectional view for explaining one embodiment of the incinerator of the present invention, Figures 2 and 6 are partial cross-sectional views showing how the agitator is installed, and Figure 4 is a pad for air supply. 5th cross-sectional view of
The figure is a sectional view showing an example of a secondary combustion furnace. 1...Incinerator, 2...Incineration exhaust gas outlet nozzle,
...Microwave inlet nozzle, 4...Incineration material supply feeder, 5...Heart plate, 7...Stirring shaft, 8...Stirrer, 8'...Stirring blade, 9... air supply pad,
IQ, 10'... Air introduction pipe for incineration, 11... Ash incineration nozzle, 12.12'... Microwave generator, 15, 1S'... Microwave guide tube, 15... - Annular baffle structure, 16... Shaft gland, 17... Cooling air supply pipe, 21... Secondary combustion furnace, 22... Heat insulating material, 23... Furnace wall made of microwave absorbing material , 27
... Microwave inlet nozzle, 28... Granular microwave absorbing material grass 2 Fig. 8' Fig. 3 Fig. 4 Fig. 5
Claims (1)
びマイクロ波導波管を設けた竪型のマイクロ波焼却炉に
おいて、炉床板上に粒状のマイクロ波吸収材からなる充
填層を設け、且つ、炉の下部で駆動される前記充填層を
撹拌するための撹拌機を設けるとともに、炉底には燃焼
用空気供給部を設けたことを特徴とする竪型焼却炉。 ２、燃焼用空気供給部が多孔質セラミックス製パッドで
構成されていることを特徴とする特許請求の範囲第１項
記載の竪型焼却炉。[Claims] 1. In a vertical microwave incinerator equipped with a feeder for supplying materials to be incinerated, an incinerated ash outlet, and a microwave waveguide, a granular microwave absorbing material is placed on the hearth plate. A vertical incinerator characterized by having a packed bed, a stirrer driven at the bottom of the furnace for stirring the packed bed, and a combustion air supply section at the bottom of the furnace. . 2. The vertical incinerator as set forth in claim 1, wherein the combustion air supply section is comprised of a porous ceramic pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP38989A JPH01239308A (en) | 1989-01-06 | 1989-01-06 | Microwave incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP38989A JPH01239308A (en) | 1989-01-06 | 1989-01-06 | Microwave incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01239308A true JPH01239308A (en) | 1989-09-25 |
Family
ID=11472446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP38989A Pending JPH01239308A (en) | 1989-01-06 | 1989-01-06 | Microwave incinerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01239308A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407233A (en) * | 2011-11-23 | 2012-04-11 | 珠海新市节能环保科技有限公司 | Ultrahigh frequency eddy current heating device |
| JP2014203762A (en) * | 2013-04-09 | 2014-10-27 | パナソニック株式会社 | Microwave heating device and microwave heating method |
-
1989
- 1989-01-06 JP JP38989A patent/JPH01239308A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407233A (en) * | 2011-11-23 | 2012-04-11 | 珠海新市节能环保科技有限公司 | Ultrahigh frequency eddy current heating device |
| JP2014203762A (en) * | 2013-04-09 | 2014-10-27 | パナソニック株式会社 | Microwave heating device and microwave heating method |
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