JPS63217127A - Incinerator - Google Patents
IncineratorInfo
- Publication number
- JPS63217127A JPS63217127A JP4877087A JP4877087A JPS63217127A JP S63217127 A JPS63217127 A JP S63217127A JP 4877087 A JP4877087 A JP 4877087A JP 4877087 A JP4877087 A JP 4877087A JP S63217127 A JPS63217127 A JP S63217127A
- Authority
- JP
- Japan
- Prior art keywords
- hearth
- combustion
- angle
- hearth material
- granular
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 127
- 238000002485 combustion reaction Methods 0.000 claims abstract description 51
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 230000005484 gravity Effects 0.000 claims abstract description 10
- 230000001737 promoting effect Effects 0.000 claims abstract description 8
- 239000002912 waste gas Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 239000002956 ash Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 239000004575 stone Substances 0.000 description 6
- 238000009408 flooring Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000001784 detoxification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance 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 本発明は改良された炉床を有する焼却炉に関する。[Detailed description of the invention] Industrial applications The present invention relates to an incinerator with an improved hearth.
従来の技術
従来１発熱債の大きいプラスチックス、更には腐蝕性ガ
スの発生を伴う被焼却物を処理する焼却炉として特公昭
５１−３１３９号が知られているが、此の炉は砕石層を
炉床として使用し、この炉床を横方向に移動させるため
、金属製コンベヤ、ベルトのような機械機構を組み込ま
ねばならず、超大型焼却炉の場合は受は入れられるとし
ても、構造が複雑であり、又炉床を機械的に横方向に移
動させる為の不利益は避けることができなかった。Conventional Technology Conventional 1. Japanese Patent Publication No. 51-3139 is known as an incinerator for treating plastics with a large heat generation bond, as well as materials to be incinerated that generate corrosive gas. It is used as a hearth, and in order to move this hearth laterally, mechanical mechanisms such as metal conveyors and belts must be incorporated, and even if it can be accommodated in the case of ultra-large incinerators, the structure is complicated. Moreover, the disadvantages of mechanically moving the hearth laterally cannot be avoided.
発明が解決しようとする問題点
本発明は、従来の焼却炉の欠点を解決したものであり、
被焼却物が発熱濾の大きいプラスチックスやＨＣｔ、
ＳＯ工、 ＮＯｘなどの有害、有臭気ガスを生ずる様な
ものであっても、これら有害、有臭気ガスを炉外に散逸
することなく、被焼却物の種類に拘わらず完全燃焼を行
わせ、常に新しい炉床面の機能を保持し、併せて炉壁。Problems to be Solved by the Invention The present invention solves the drawbacks of conventional incinerators.
The materials to be incinerated are plastics and HCt with large exothermic filters,
Even if the material generates harmful and odorous gases such as SO, NOx, etc., it will ensure complete combustion regardless of the type of material to be incinerated, without dissipating these harmful and odorous gases outside the furnace. Always retain the functionality of the new hearth surface, as well as the hearth wall.
炉底の火焔による損傷から保護することのできる焼却炉
を提供しようとするものである。The object is to provide an incinerator that can protect the bottom of the furnace from damage caused by flames.
更に又１本発明は小面積であり乍ら、大量の被焼却物の
処理が可能でスゲ−ルアツブの容易な焼却炉を提供しよ
うとするものである。A further object of the present invention is to provide an incinerator which has a small area, can process a large amount of materials to be incinerated, and can easily scale up.
問題点を解決するための手段
本発明は炉床材入口部から導入された粒状炉床材が重力
により滑り落ち、或は転がり落ちることによって炉壁部
の炉床材入口下部と前１則炉壁との間で粒状炉床材が安
息角をもって形成する速読斜面を炉床面とし、その炉床
面上に落下する被焼却物を、炉壁部に続く燃焼室におい
て燃焼させ、更に炉壁部の下部に設けた炉底部の廃炉床
材取出し口より、廃炉床材を取出すことにより、粒状炉
床材を重力により下降させて炉床の機能を更新する様に
構成した焼却炉である。Means for Solving the Problems The present invention provides that the granular hearth material introduced from the hearth material inlet slides down or rolls down due to gravity, thereby causing the lower part of the hearth material inlet of the hearth wall portion and the above-mentioned first rule furnace. The fast-reading slope formed by the granular hearth material with an angle of repose between it and the wall is used as the hearth surface, and the material to be incinerated that falls onto the hearth surface is burned in the combustion chamber that follows the furnace wall. An incinerator configured to renew the function of the hearth by taking out the waste hearth material from the waste hearth material take-out port at the bottom of the wall, allowing the granular hearth material to descend by gravity. It is.
更に、上記焼却炉において好ましくは炉床材入口部、炉
壁部及び炉底部の壁面で粒状炉床材と接触するいずれも
の部分が水平面とのなす角度が、その粒状炉床材のなす
安息角以上の角度である焼却炉であり、更に好ましくは
被焼却物入口下部開口部が、その投影面を炉床面内忙有
する焼却炉である。Furthermore, in the above-mentioned incinerator, preferably, the angle formed by the wall surface of the hearth material inlet, the furnace wall, and the hearth bottom, which are in contact with the granular hearth material, with a horizontal plane is the angle of repose of the granular hearth material. An incinerator having the above angle, and more preferably an incinerator in which the lower opening of the inlet of the material to be incinerated has its projection plane within the hearth plane.
なお、上記安息角は、好ましくは１０°乃至８０Ｃ。Note that the above angle of repose is preferably 10° to 80°C.
更に好ましくは３０°乃至８０°、更に一層好ましくは
４０’乃至７０’の範囲内くある。More preferably, the angle is in the range of 30° to 80°, and even more preferably in the range of 40' to 70'.
又、本発明焼却炉はその炉壁部の炉床内に好ましくは単
数又は複数の燃焼助長用空気吹出し孔を有する。更にそ
の炉壁部に読く燃焼室は。Further, the incinerator of the present invention preferably has one or more combustion-enhancing air blow-off holes in the hearth of the furnace wall. Furthermore, the combustion chamber that can be seen on the furnace wall.
炉床と前側上部炉壁面とにより囲まれ、好ましくは燃焼
用空気取入口、バーナー及び燃焼廃ガス取出口を有する
。It is surrounded by a hearth and a front upper furnace wall, and preferably has a combustion air intake, a burner, and a combustion waste gas outlet.
なお、本発明焼却炉炉底部の取出し口からは。In addition, from the outlet at the bottom of the incinerator of the present invention.
好ましくは単数又は複数の、回転スター、フィダー方式
、ダンパー方式などの手段により廃炉床材を非定常或は
連続的に取出すゐものである。Preferably, waste hearth material is unsteadily or continuously taken out by one or more means such as a rotating star, a feeder method, a damper method, or the like.
本発明焼却炉を断面図第１図に基づいて説明する。The incinerator of the present invention will be explained based on the sectional view of FIG.
炉床材入口部Ａは粒状炉床材ホッパー２及び炉床材人口
１よりなり、被焼却物入口部Ａ′は、被焼却物ホッパー
４及び被焼却物人口３よりなる。炉床材入口部Ａ及び被
焼却物入口部Ｎ′の下部に接続する炉壁部Ｂは、前側上
部炉壁１４、前側下部炉壁９．後側炉壁８よりなり、前
側下部炉壁１４は炉床１６と共に燃焼室１３を形成し、
この燃焼室１３には、燃焼用空気取入口１１゜バーナー
１７及び燃焼廃ガス取出口１２を設けである。この燃焼
室１３は、一般には耐熱レンガ、耐熱キャスタブル等の
不燃材料を用いて構成されることが多い。The hearth material inlet part A consists of a granular hearth material hopper 2 and a hearth material population 1, and the incineration material inlet part A' consists of a material to be incinerated material hopper 4 and a material to be incinerated material 3. The furnace wall section B connected to the lower part of the hearth material inlet section A and the incineration material inlet section N' includes a front upper furnace wall 14, a front lower furnace wall 9. It consists of a rear furnace wall 8, a front lower furnace wall 14 forms a combustion chamber 13 together with a hearth 16,
This combustion chamber 13 is provided with a combustion air intake 11° burner 17 and a combustion waste gas outlet 12. This combustion chamber 13 is generally constructed using noncombustible materials such as heat-resistant bricks and heat-resistant castables.
なお、炉壁部Ｂは、炉床材人口１より投入されて生成し
た炉床１６の形成する炉床面５及び炉床１６内に位置す
る単数又は複数の燃焼助長用空気吹出し孔１５を有する
。The furnace wall part B has a hearth surface 5 formed by a hearth 16 generated by inputting the hearth material population 1, and one or more combustion-enhancing air blow-off holes 15 located within the hearth 16. .
炉壁部Ｂの下側には、炉壁部Ｂに接続して炉底部Ｃが連
なり、炉底部Ｃは廃炉床材などの取出口前側壁面１０、
取出口後側壁面１０′、取出ロア、回転式廃炉床材等取
出機７′よりなる。A furnace bottom portion C is connected to the lower side of the furnace wall portion B, and the furnace bottom portion C includes a side wall surface 10 in front of an outlet for removing decommissioned furnace floor material, etc.
It consists of a rear side wall surface 10' of the outlet, a lower outlet, and a rotary type extractor 7'.
本発明で使用する粒状炉床材は好ましくは、天然鉱物質
の粒状炉床材を使用するものであり、砕石、礫または比
較的粗い砂等の高温に耐え、炉床を形成したとき、空気
の通過の為の適当な空隙を有するものｈｔ望ましいが、
平均粒径５鱈乃至３１程度の大きさであって天然鉱物質
砕石を使用することにより、大きい安、＠角を有する炉
床面が得られるので更に望ましい。The granular hearth material used in the present invention is preferably a natural mineral granular hearth material, which can withstand high temperatures such as crushed stone, gravel or relatively coarse sand, and when forming the hearth, is free of air. It is desirable to have a suitable air gap for the passage of
It is more desirable to use crushed natural mineral stone having an average grain size of about 5 to 31, since a hearth surface with a large angle can be obtained.
炉床材ホッパー２より投入された粒状炉床材は重力によ
り滑り落ち、或は転がり落ちて炉床材人口１より炉壁部
Ｂを経て炉底部Ｃ迄落下する。炉底部Ｃに粒状炉床材が
滑り落ち、或は転がり落ちて充満すると１次いで炉壁部
已に粒状炉床材が堆積し、更に後側炉壁８に露出部を残
すことなく炉床材人口１迄埋め尽くして炉床１６を形成
し、炉床材人口１下部と前側下部炉壁９との間であって
燃焼室へ開いた開放面に、粒状炉床材の種類で決まる一
定の連続斜面であって水平面とのなす角度である安息角
（静止摩擦角或は勾配）が０１である炉床面５を形成す
る。この炉床面５を形成する炉床１６の内部には燃焼助
長用空気吹出し孔１５が位置することとなる。The granular hearth material charged from the hearth material hopper 2 slides down or rolls down due to gravity and falls from the hearth material population 1 through the furnace wall portion B to the hearth bottom portion C. When the granular hearth material slides down or rolls down and fills the hearth bottom C, the granular hearth material is then deposited on the furnace wall, and further the hearth material is removed without leaving any exposed parts on the rear hearth wall 8. The hearth 16 is formed by filling up to the granular hearth material 1, and a certain amount determined by the type of granular hearth material is placed between the lower part of the hearth material 1 and the front lower furnace wall 9 and on the open surface that opens to the combustion chamber. A hearth surface 5 is formed which is a continuous slope and has an angle of repose (static friction angle or slope) of 01 with respect to the horizontal surface. Inside the hearth 16 forming the hearth surface 5, combustion-enhancing air blow-off holes 15 are located.
ここにおいて、炉床材斜入ロ部Ａ、炉壁部Ｂ及び炉底部
Ｃの壁面で粒状炉床材料と接触するいずれかの部分１例
えば前側下部炉壁９、後側Ｐ９Ｂ。Here, any portion 1 that contacts the granular hearth material on the wall surfaces of the hearth material oblique entry portion A, the furnace wall portion B, and the hearth bottom portion C, such as the front lower furnace wall 9 and the rear side P9B.
取出口後側壁面１０′、炉床材ホッパー２．被焼却物ホ
ッパー４．及び取出口前側壁面１０の夫々の水平面に対
する角度がすべて炉床面の有する安息角θ１．を１廻る
角度、θ２．θ３．θ４．θ６．θ６及びθダて造られ
ているので粒状炉床材の重力による滑り落ち、或は転が
り落ちることによる充填は極めて滑らかに行われ１粒状
炉床材の流れが滞る等の難点は全然見られない。被焼却
物６はホッパー４より投入され、被焼却物人口３より炉
床面５の上に投下される。Outlet rear side wall surface 10', hearth material hopper 2. Incineration material hopper4. The angles of the front wall surface 10 of the outlet with respect to the horizontal plane are all angles of repose θ1. The angle of one rotation, θ2. θ3. θ4. θ6. Since it is constructed with θ6 and θ diameters, filling due to the granular hearth material sliding down due to gravity or rolling down is carried out extremely smoothly, and there are no problems such as stagnation in the flow of a single granular hearth material. . The material to be incinerated 6 is charged from the hopper 4 and is dropped from the material to be incinerated 3 onto the hearth surface 5.
なお好ましくは被焼却物人口３下部の投影面は炉床面５
の内にあるので炉床面５の上を滑り、或は転がり落下す
るに際し、被焼却物６は常に炉床面５の上にあり、これ
から逸脱することはない。Preferably, the projection surface of the lower part of the incinerated material population 3 is the hearth surface 5.
Therefore, when the material to be incinerated 6 slides or rolls down on the hearth surface 5, it always remains above the hearth surface 5 and never deviates from it.
従って被焼却物６は必ず完全燃焼すると共に炉壁等が高
温の焼却物と直接接触することを避ける利点を有する。Therefore, there is an advantage that the material to be incinerated 6 is completely burned and the furnace wall etc. are prevented from coming into direct contact with the high temperature material to be incinerated.
特に燃焼助長用空気吹出し孔１５により燃焼助長用の空
気が吹き込まれるときは、激しい燃焼となり、未燃焼物
を残すことはない。燃焼助長用空気吹出し孔１５は穿孔
されたパイプ等で造られるｂ′−１燃焼助長用空気吹出
し孔１５の周辺と機械機構的な相互関係がないので、こ
れの取付け、設置は容易である。バーナー１７は助燃用
或は油状物の噴霧燃焼用として用いられるが、焼却は炉
床面５の上で完結される。Particularly when combustion promoting air is blown in through the combustion promoting air outlet 15, intense combustion occurs and no unburned matter is left behind. Since the combustion promoting air blowing hole 15 has no mechanical interaction with the periphery of the b'-1 combustion promoting air blowing hole 15, which is made of a perforated pipe or the like, it is easy to attach and install it. The burner 17 is used for auxiliary combustion or spray combustion of oily substances, but the incineration is completed on the hearth surface 5.
次に、炉底部の回転式廃炉床材取出機７′を回転するこ
とにより、廃炉床材取出ロアより非定常或は連続的に廃
炉床材の抜取りを行うと、廃炉床材は独得の滑り線を画
き乍ら滑り落ち、之に伴って焼却灰も廃炉床材に捲き込
まれ乍ら抜き取られる。Next, by rotating the rotary waste hearth material extractor 7' at the hearth bottom, the decommissioned hearth material is unsteadily or continuously extracted from the decommissioned hearth material take-out lower. It slides down in a unique sliding line, and along with this, the incinerated ash is also rolled up into the decommissioned hearth material and pulled out.
その際、炉床面５は僅かな乱れを示すものの粒状炉床材
人口ｌを通じて新粉状炉床材の自然供給があるので１−
復され、炉床面５は結局安定に維持される。被焼却物６
が炉床面５で焼却すると、体積及び重量は減少し、自然
重力により被焼却物ホッパー４内の被焼却用投入物は被
焼却物人口３を経由して炉床面５上に滑り落ち、燃焼を
維持継続することになり、安定した燃焼が連続して行わ
れる。At this time, although the hearth surface 5 shows slight disturbance, there is a natural supply of new powder hearth material through the granular hearth material population l, so 1-
The hearth surface 5 is eventually maintained stably. Items to be incinerated 6
When it is incinerated on the hearth surface 5, the volume and weight decrease, and due to natural gravity, the materials to be incinerated in the incineration material hopper 4 slide down onto the hearth surface 5 via the incineration material population 3, Combustion is maintained and continues, and stable combustion is performed continuously.
廃炉床材取出ロアから取出されて焼却灰を捲き込んだ廃
炉床材は、焼却灰を除去精製するなどして後再度１粒状
炉床材として使用することもできる。The decommissioned hearth material taken out from the decommissioned hearth material extraction lower and into which incinerated ash has been rolled up can be used again as a single granular hearth material after the incinerated ash is removed and purified.
図面は回転式廃炉床材取出機を示したがこれにかえてダ
ンパー式廃炉床材取出し機を設置して廃炉床材を非定常
的１間歇的に取出すこともできる。Although the drawing shows a rotary waste hearth material take-out machine, a damper type waste hearth material take-out machine may be installed instead to take out the waste hearth bed material in an unsteady and intermittent manner.
この改良された焼却炉の甑めて特異な特徴の１つは炉床
面５が水平面に対して傾いていることであり、好ましく
は１０°乃至８０°、更に好ましくは３０°乃至８０°
、更に一層好ましくは４０°乃至７０’の範囲で傾いて
いることである。たとえば乾いた砂を炉床材とする場合
の安息角θｌは約４０°であり、特に尖った臂開面を備
えた砕石の場合は８０°以上にも及ぶことがあり、そば
だった炉床面を形成することができる。One of the most unique features of this improved incinerator is that the hearth surface 5 is inclined with respect to the horizontal plane, preferably 10° to 80°, more preferably 30° to 80°.
, even more preferably, the angle is between 40° and 70'. For example, when dry sand is used as the hearth material, the angle of repose θl is about 40°, and in the case of crushed stone with particularly sharp openings, it can reach more than 80°. A surface can be formed.
なお、本発明焼却炉において、燃焼室１３の燃焼廃ガス
の強制抜取りが行われることが好ましい。In the incinerator of the present invention, it is preferable that the combustion waste gas from the combustion chamber 13 be forcibly extracted.
なお燃焼廃ガス中にＨＣｔ、 Ｓｏｘ、 ＮＯｘ等の有
害ガスを含むときは洗滌基環除害装置を通過させること
により、容易に有害成分を除去することができる。Note that when the combustion waste gas contains harmful gases such as HCt, Sox, and NOx, the harmful components can be easily removed by passing it through a cleaning base ring abatement device.
第１図に示す焼却炉の本体部分の横断面は円形であって
もよいが、方形、或は矩形であってもよい。The cross section of the main body portion of the incinerator shown in FIG. 1 may be circular, but may also be square or rectangular.
更に本発明焼却炉の他の例において、例えば第２図に示
す様に、廃炉床材取出ロアの下部に設けた回転式廃炉床
材取出機７′の上部の炉床中に更に複数の上段回転式廃
炉床材取出機７１Ｚ ７ ｔ＃、７３′。Furthermore, in another example of the incinerator of the present invention, as shown in FIG. Upper rotary type waste hearth material removal machine 71Z 7t#, 73'.
７４″・・・等を設けることにより、複数の滑り線で形
成される部分的に更新され得る炉床面を持つことができ
１部分的な炉床面での燃焼状況に応じて部分的に炉床面
を更新することも可能であり、焼却炉としては５啄めて
有利である。第２図の例では前側下部炉璧９と後ｊｉｌ
！ｌ Ｐ壁８で上段回転式廃炉床材取出機７′の上部を
何れも垂直にしたため、滑り線は全て平行で且つ垂直と
なり、設計を他めて容易にするものである。この例では
廃炉床材取出部ａを充分長（取り、且つ巾す及び厚さＣ
を絞り込んであるため、廃炉床材取出ロアからの空気の
漏入は無視出来る程度に少くすることが可能である。74'', etc., it is possible to have a hearth surface formed by a plurality of sliding lines that can be partially updated.1. It is also possible to renew the hearth surface, which is advantageous for the incinerator.In the example shown in FIG.
! Since the upper part of the upper rotary waste reactor bed material extractor 7' is made vertical with the P wall 8, all the sliding lines are parallel and perpendicular, which makes the design easier. In this example, the decommissioning floor material removal part a has a sufficient length (and width and thickness C).
Since the amount of air is narrowed down, the leakage of air from the decommissioned hearth material removal lower can be reduced to a negligible level.
第３図は本発明につき、別の改良された炉床を有する焼
却炉の例示であり、立体構造物の１隅を利用することの
できる焼却炉である。FIG. 3 is an example of an incinerator having another improved hearth according to the present invention, and is an incinerator that can utilize one corner of a three-dimensional structure.
第３図において１粒状炉床打入ロ１８．被焼却物入口１
９が狭い面積で済むばかりでなく下部がりの炉床面２２
が自然に形成される。２０は廃炉原材取出口である。In Fig. 3, 1 granule hearth injection hole 18. Incineration material entrance 1
9 not only requires a small area, but also has a lower hearth surface 22.
is formed naturally. 20 is a decommissioning raw material extraction port.
作用
本発明焼却炉の炉床面は水平面に対して傾いていること
に特徴があり、安息角θ１は例えば１０°乃至８０°、
好ましくは３０°乃至８０°、更に好ましくは４０°乃
至７０’の角度で傾いているものであるので、燃焼は斜
め方向のみならず水平に近い方向で行うこともできる。Function The incinerator of the present invention is characterized in that the hearth surface is inclined with respect to the horizontal plane, and the angle of repose θ1 is, for example, 10° to 80°,
Since it is preferably inclined at an angle of 30° to 80°, more preferably 40° to 70', combustion can be performed not only obliquely but also in a nearly horizontal direction.
特に燃焼用空気取入口よりの空気と燃焼助長用空気吹出
し孔よりの助燃空気との相互作用があるときは、火焔が
炉床面を嘗める様に這い上らせることも可能となる。In particular, when there is an interaction between the air from the combustion air intake and the combustion-enhancing air from the combustion-enhancing air outlet, it becomes possible for the flames to creep up the hearth surface.
本発明焼却炉は炉底部の廃炉床材取出し手段により、最
下端の焼却灰を捲き込んだ廃炉床材を取り出すものであ
り、この取り出しにつれて焼却灰を１をき込んで生成し
た廃炉床材は順次、縦方向に下降して取出されることと
なる。順次、粒状炉床材が炉床材入口より重力により滑
り落ち、或は転がり落ちることにより下降し、炉床、殊
に炉床面をｙ、新することとなるｈ’−１しかもこの炉
床面の有する安息角は一定に保たれているものである。In the incinerator of the present invention, the decommissioned incinerator bed material containing the incinerated ash at the lowest end is taken out by the decommissioned incinerator bed material taken out at the bottom of the furnace. The flooring materials are sequentially lowered in the vertical direction and removed. Sequentially, the granular hearth material slides down from the hearth material inlet due to gravity or rolls down, renewing the hearth, especially the hearth surface. The angle of repose of a surface is kept constant.
又本発明焼却炉に於て、燃焼室よりの燃焼廃ガスは・燃
焼廃ガス取出口より誘引ファンにより強制抜取りを行う
ことができるものであり、その場合は、炉床材ホッパー
或は被焼却物ホッパー等が開口されている場合は、空気
が炉内に流れ込み、焼却を容易にするにとどまらず、被
焼却物が悪臭を発する場合でも燃焼助長用空気等と共に
完全燃焼することができる。In addition, in the incinerator of the present invention, the combustion waste gas from the combustion chamber can be forcibly extracted from the combustion waste gas outlet by an induction fan, and in that case, it can be removed from the hearth material hopper or the incinerated material. When the material hopper or the like is opened, air flows into the furnace, which not only facilitates incineration but also enables complete combustion together with the combustion-enhancing air even if the material to be incinerated emits a bad odor.
又燃焼廃ガス中にＨＣｔ、 Ｓｏｘ、 ＮＯｘ等の有害
ガスを含む場合でも、スクラバー等の除害装置に廃ガス
を導くことによりこれら有害ガスを除去することができ
る。Furthermore, even if the combustion waste gas contains harmful gases such as HCt, Sox, and NOx, these harmful gases can be removed by introducing the waste gas to a detoxification device such as a scrubber.
実施例
第１図に示す装置を用いて埼玉県秩父郡から産出する蛇
紋岩を砕いた平均直径約１０ｍの砕石を炉床材として用
い、主としてポリオレフィ／の破砕屑を焼却した。炉床
面積的０．１ ｎｌ （０，２ｍ Ｘ０９５ｍ巾）で燃
焼助長用空気吹出口１５から燃焼廃ガスに新しい冷空気
を混ぜて約３００℃にしたものを約５Ｎｍ’／ｍｉｎの
風量で吹出しながら燃焼させた所、廃プラスチック破砕
屑１０Ｋｇ／ｈｒ強の 。EXAMPLE Using the apparatus shown in FIG. 1, crushed stone with an average diameter of about 10 m produced from Chichibu District, Saitama Prefecture was used as a hearth material, and mainly the crushed polyolefin waste was incinerated. Combustion waste gas is mixed with new cold air and heated to approximately 300°C, and is blown out at a flow rate of approximately 5 Nm'/min from the combustion promoting air outlet 15 on a hearth area of 0.1 nl (0.2 m x 095 m width). However, when the waste was incinerated, more than 10 kg/hr of crushed waste plastic was produced.
大きな割合で容易に完全燃焼した。この場合、燃焼を安
定に維持するため、廃プラスチック屑に含まれていたと
見られる無機系の焼却残渣を抜き取るべ（、約０． ｌ
Ｋｆ／ｈｒの割合で廃炉床材取出ロアを経由して廃砕
石炉床材を抜き出した。この間。Complete combustion was easily achieved in large proportions. In this case, in order to maintain stable combustion, the inorganic incineration residue that seems to have been contained in the waste plastic waste must be removed (approximately 0.0 l).
The waste crushed stone hearth material was extracted at a rate of Kf/hr via the waste hearth material extraction lower. During this time.
炉床面５は水平に対して５０°から６０°の間に保持さ
れた。尚、蛇紋岩は珪酸マグネシウムを主成分として居
り、１０００℃以下の高温に対して隠めて安定であり、
取り出した廃砕石には何等の変質も観察されなかった。The hearth surface 5 was held between 50° and 60° with respect to the horizontal. Incidentally, serpentine is mainly composed of magnesium silicate, and is secretly stable at high temperatures below 1000 degrees Celsius.
No alteration was observed in the extracted waste crushed stone.
発明の効果
本発明焼却炉は前記の様な作用を有するものであるため
、従来の焼却炉の欠点を除去、解決したものである。即
ち、本発明焼却炉は前記の通り、傾斜した炉床面を用い
て被焼却物がどの様なものであっても、その完全燃焼を
行わせることのできるものであり比較的小型の焼却炉で
あり乍ら大容量の被焼却物を処理することができる。従
って。Effects of the Invention Since the incinerator of the present invention has the above-mentioned effects, it eliminates and solves the drawbacks of conventional incinerators. That is, as mentioned above, the incinerator of the present invention is a relatively small incinerator that can completely burn the material to be incinerated by using the inclined hearth surface. However, it is possible to process large volumes of incinerated materials. Therefore.
炉床面の傾斜ｈ″−大きい程、焼却炉の設置面積は小面
積でよいこととなる。なお本焼却炉は巾方向に寸法を拡
大することにより容易にスクールアップすることができ
る。The larger the inclination h'' of the hearth surface, the smaller the installation area of the incinerator is required.The present incinerator can be easily scaled up by enlarging the dimensions in the width direction.
次に被焼却物が悪臭が強く、又ＨＣ１，Ｓｏｘ。Next, the materials to be incinerated have a strong odor and are HC1 and Sox.
ＮＯｘ等の有害ガスを含む場合であっても完全燃焼し、
又、除害装置に導く等によりこれらが炉外に逸散するこ
とはない。Complete combustion even if it contains harmful gases such as NOx,
In addition, they will not be dissipated outside the reactor by guiding them to a detoxification device or the like.
又、これら有害ガスを含み、或はプラスチックスの様な
発熱量の大きな場合であっても順次更新する炉床を有す
るので炉壁部、炉底部等の火焔による損傷を防止するこ
とができる。In addition, even if the furnace contains harmful gases or has a large calorific value such as plastics, it has a hearth that can be updated in sequence, so damage to the furnace walls, bottom, etc. due to flames can be prevented.
本発明焼却炉は、粒状炉床材を重力により縦方向に移動
して炉床を更新するものであるため、ベルト、コンベア
等の様な複雑な構造を必要とせず構ａが簡単であって製
作が容易であり、極めて有益なものである。Since the incinerator of the present invention renews the hearth by moving the granular hearth material in the vertical direction by gravity, the incinerator has a simple structure and does not require complicated structures such as belts and conveyors. It is easy to manufacture and extremely useful.
第１図は本発明情却炉縦断面図の一例を示す。
第２図及び第３図は本発明焼却炉の他の例を示す。
１・・・炉床材入口、 ２・・・炉床材ホッパー。
３・・・被焼却物入口、 ４・・・被焼却物ホッパー、
５・・・炉床面、 ６・・・被焼却物。
７・・・廃炉床材取出口、７′・・・回転式廃炉床材取
出機、７１・・・上段回転式廃炉床材取出機。
８・・・後側炉壁、 ９・・・前側下部炉壁、１０
・・・廃炉床材取出口前側壁面、
１０′・・・廃炉床材取出口後側壁面。
１１・・・燃焼用空気取入口。
１２・・・燃焼廃ガス取出口。
１３・・・燃焼室、１４・・・前側上部炉壁、１５・・
・燃焼助長用空気吹出し孔、
１６・・・炉床、 １７・・・バーナー、１８
・・・炉床材入口、 １９・・・被焼却物投入口、２
０・・・廃炉床材取出口、２１・・・燃焼室、２２・・
・炉床面、 ん・・・炉床材入口部。
Ｂ・・・炉壁部、 Ｃ・・・炉底部。
ａ・・・ＨＰ床材取出部高さ。
ｂ・・・昂炉床材取出部巾。
Ｃ・・・廃炉床材成田部厚さ。
以上FIG. 1 shows an example of a vertical cross-sectional view of a furnace of the present invention. FIGS. 2 and 3 show other examples of the incinerator of the present invention. 1... Hearth material inlet, 2... Hearth material hopper. 3...Inlet of incinerated material, 4...Incinerated material hopper,
5...Heart surface, 6...Things to be incinerated. 7... Decommissioned reactor bed material removal port, 7'... Rotary decommissioned reactor bed material removal machine, 71... Upper stage rotary decommissioned reactor bed material removal machine. 8... Rear furnace wall, 9... Front lower furnace wall, 10
...Front side wall surface of the decommissioned reactor flooring material outlet, 10'...Rear side wall surface of the decommissioned reactor flooring material outlet. 11...Combustion air intake. 12... Combustion waste gas outlet. 13... Combustion chamber, 14... Front upper furnace wall, 15...
・Combustion promoting air outlet, 16... hearth, 17... burner, 18
...Heart material inlet, 19...Incineration material inlet, 2
0...Decommissioned reactor bed material outlet, 21...Combustion chamber, 22...
・Heart surface, hmm...hearth material inlet. B...Furnace wall part, C...Furnace bottom part. a: Height of HP flooring material removal part. b... Width of the hearth material extraction part. C: Thickness of the decommissioned hearth floor material Narita section. that's all
Claims (1)
、或は転がり落ちることによって、炉壁部の炉床材入口
下部と前側炉壁との間で粒状炉床材が安息角をもって形
成する連続斜面を炉床面とし、その炉床面上に落下する
被焼却物を、炉壁部に続く燃焼室において燃焼させ、更
に炉壁部の下部に設けた炉底部の取出し口より廃炉床材
を取り出すことにより、粒状炉床材を重力により下降さ
せて、炉床の機能を更新する様に構成したことを特徴と
する燃却炉。 ２、炉床材入口部、炉壁部及び炉底部の壁面で粒状炉床
材と接触するいずれもの部分が水平面とのなす角度が、
その粒状炉床材のなす安息角以上の角度であることを特
徴とする特許請求の範囲第１項記載の燃却炉。 ３、被焼却物入口下部開口部は、その投影面を炉床面内
に有することを特徴とする特許請求の範囲第１項又は第
２項記載の焼却炉。 ４、安息角は１０°乃至８０°の範囲内にあることを特
徴とする特許請求の範囲第１項乃至第３項のいずれかに
記載の焼却炉。 ５、燃焼助長用空気吹出し孔を炉床内部に有することを
特徴とする特許請求の範囲第１項乃至第４項のいずれか
に記載の焼却炉。 ６、炉壁部に続く燃焼室は、炉床と前側上部炉壁面とに
より囲まれ、燃焼用空気取入口、バーナー及び燃焼廃ガ
ス取出口を有することを特徴とする特許請求の範囲第１
項乃至第５項のいずれかに記載の焼却炉。 ７、炉底部の取出し口は単数又は複数の回転スター、フ
ィダー方式又はダンパー方式である取出し手段を適用す
るものであることを特徴とする特許請求の範囲第１項乃
至第６項のいずれかに記載の焼却炉。[Claims] 1. When the granular hearth material introduced from the hearth material inlet slides down or rolls down, the granular hearth material enters the furnace wall between the lower part of the hearth material inlet and the front hearth wall. A continuous slope formed by the hearth material with an angle of repose is used as the hearth surface, and the materials to be incinerated that fall onto the hearth surface are burned in a combustion chamber that follows the furnace wall, and is further provided at the bottom of the furnace wall. A combustion furnace characterized in that the granular hearth material is lowered by gravity by taking out the waste hearth material from an outlet at the bottom of the furnace, thereby renewing the function of the hearth. 2. The angle between the wall surfaces of the hearth material inlet, the furnace wall, and the hearth bottom that come into contact with the granular hearth material with the horizontal plane is
The combustion furnace according to claim 1, wherein the angle of repose is greater than or equal to the angle of repose formed by the granular hearth material. 3. The incinerator according to claim 1 or 2, wherein the lower opening for inlet of the material to be incinerated has a projection surface within the hearth surface. 4. The incinerator according to any one of claims 1 to 3, wherein the angle of repose is within the range of 10° to 80°. 5. The incinerator according to any one of claims 1 to 4, which has an air blowing hole for promoting combustion inside the hearth. 6. Claim 1, characterized in that the combustion chamber following the furnace wall is surrounded by the hearth and the front upper furnace wall, and has a combustion air intake, a burner, and a combustion waste gas outlet.
The incinerator according to any one of items 1 to 5. 7. Any one of claims 1 to 6, characterized in that the outlet at the bottom of the furnace employs a single or plural rotary star, feeder type, or damper type extraction means. The incinerator mentioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4877087A JPS63217127A (en) | 1987-03-05 | 1987-03-05 | Incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4877087A JPS63217127A (en) | 1987-03-05 | 1987-03-05 | Incinerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63217127A true JPS63217127A (en) | 1988-09-09 |
| JPH0350925B2 JPH0350925B2 (en) | 1991-08-05 |
Family
ID=12812513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4877087A Granted JPS63217127A (en) | 1987-03-05 | 1987-03-05 | Incinerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63217127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02203109A (en) * | 1989-01-31 | 1990-08-13 | Shigeru Saito | Incinerator |
-
1987
- 1987-03-05 JP JP4877087A patent/JPS63217127A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02203109A (en) * | 1989-01-31 | 1990-08-13 | Shigeru Saito | Incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0350925B2 (en) | 1991-08-05 |
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