JPH0330671Y2 - - Google Patents
Info
- Publication number
- JPH0330671Y2 JPH0330671Y2 JP1986178554U JP17855486U JPH0330671Y2 JP H0330671 Y2 JPH0330671 Y2 JP H0330671Y2 JP 1986178554 U JP1986178554 U JP 1986178554U JP 17855486 U JP17855486 U JP 17855486U JP H0330671 Y2 JPH0330671 Y2 JP H0330671Y2
- Authority
- JP
- Japan
- Prior art keywords
- carbonization
- combustion
- tower
- oil
- carbonization tower
- 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.)
- Expired
Links
- 238000003763 carbonization Methods 0.000 claims description 55
- 238000002485 combustion reaction Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 25
- 239000000567 combustion gas Substances 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 15
- 239000000446 fuel Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 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 3
- 238000010000 carbonizing Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、たとえばプラスチツク等の難燃性の
物質を乾留する乾留装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a carbonization apparatus for carbonizing flame-retardant substances such as plastics.
従来から、各種の産業廃棄物等を炉に入れて焼
却又はボイラのように熱回収を行う燃焼炉が使用
されている。この燃焼炉では、被燃物の主体が難
燃性の廃棄物であるために、完全燃焼させるため
の空気を燃焼過程に合わせて供給する多段式のも
のが最も一般的である。
BACKGROUND ART Combustion furnaces have conventionally been used in which various industrial wastes are placed in a furnace and incinerated or heat is recovered like a boiler. In this combustion furnace, since the substance to be burned is mainly flame-retardant waste, the most common type is a multi-stage type in which air is supplied in accordance with the combustion process for complete combustion.
この多段式の燃焼炉の中で、難燃性の被燃物を
乾留して得られる乾留ガスを熱回収機に供給する
システムとしたものがある。すなわち、被燃物を
装入した後にバーナによつて着火燃焼させる乾留
塔を設け、この乾留塔に燃焼用空気を給気するこ
とにより乾留して乾留ガスを発生させる構造であ
る。 Among these multi-stage combustion furnaces, some have a system in which carbonized gas obtained by carbonizing flame-retardant materials to be burned is supplied to a heat recovery machine. That is, the structure is such that a carbonization tower is provided in which materials to be combusted are charged and then ignited and combusted by a burner, and combustion air is supplied to the carbonization tower to perform carbonization and generate carbonization gas.
乾留塔における乾留では、被燃物を層状に積み
重ねて燃焼速度を比較的小さくする操作を必要と
する。このため、バーナ等による着火は乾留塔の
底部付近で行い、上側の被燃物を緩やかに燃焼さ
せる構造が一般的に採用されている。 Carbonization in a carbonization tower requires an operation in which the combustion materials are piled up in layers to make the combustion rate relatively low. For this reason, a structure is generally adopted in which ignition by a burner or the like is performed near the bottom of the carbonization tower, and the materials to be burned on the upper side are slowly combusted.
ところで、乾留においては、点火被燃物の下部
に着火すると共に一次燃焼空気の供給により、乾
留を開始する。このとき、一次燃焼空気が被燃物
の着火燃焼部分以外を吹き抜けて乾留塔内に溜る
ことがある。このような状態において、乾留過程
で発生する乾留ガスと乾留塔内に溜まつた空気と
の混合比が或る値となると、爆発事故を生じるこ
とが多い。
By the way, in carbonization, carbonization is started by igniting the lower part of the object to be ignited and supplying primary combustion air. At this time, the primary combustion air may blow through other than the ignited combustion part of the material to be combusted and accumulate in the carbonization tower. Under such conditions, if the mixing ratio between the carbonization gas generated during the carbonization process and the air accumulated in the carbonization tower reaches a certain value, an explosion often occurs.
したがつて、この爆発事故対策として防爆扉の
保全を十分に図る必要があり、乾留塔自体の強度
も大きくする必要がある。 Therefore, as a countermeasure against this explosion accident, it is necessary to sufficiently maintain the explosion-proof door, and it is also necessary to increase the strength of the carbonization tower itself.
そこで、本考案は、被燃物の着火燃焼を乾留塔
の底部で確実に行うことによつて乾留塔内に滞留
する空気量を低減して爆発事故を防止し、しかも
助燃用の燃料を底部に供給してより良好な乾留処
理を可能とすることを目的とする。 Therefore, the present invention aims to prevent explosion accidents by reducing the amount of air remaining in the carbonization tower by ensuring that the combustible material is ignited and burned at the bottom of the carbonization tower. The purpose is to enable better carbonization treatment.
本考案の乾留装置は、以上の目的を達成するた
めに、被燃物を乾留塔内に積層状態に装入し、該
乾留塔内に燃焼ガスを供給することにより前記被
燃物を乾留する乾留装置において、前記燃焼ガス
を供給する燃焼室を前記乾留塔の下部に連設し、
且つ該乾留塔の底部に可燃性の油が注入される凹
溝を形成すると共に該油に点火する補助バーナを
設けたことを特徴とする。
In order to achieve the above object, the carbonization apparatus of the present invention carbonizes the combustible materials by charging the combustible materials into a carbonization tower in a stacked state and supplying combustion gas into the carbonization tower. In the carbonization apparatus, a combustion chamber for supplying the combustion gas is connected to a lower part of the carbonization tower,
Further, the present invention is characterized in that a groove into which flammable oil is injected is formed at the bottom of the carbonization tower, and an auxiliary burner is provided to ignite the oil.
以下、図面に示す実施例により本考案の特徴を
具体的に説明する。
Hereinafter, the features of the present invention will be specifically explained with reference to embodiments shown in the drawings.
第１図は本考案に係る乾留装置の縦断面図、第
２図は同平面図である。 FIG. 1 is a longitudinal sectional view of a carbonization apparatus according to the present invention, and FIG. 2 is a plan view thereof.
乾留塔１の下端の側部には、点火用の燃焼室２
が設けられ、該燃焼室２は燃料投入口３を設ける
と共にフアン４から給気を行う空気供給管４ａを
接続している。燃焼室２は、隔壁５によつて乾留
塔１の内部と分割され、隔壁５に開設した連絡口
６によつて連通すると共に、燃料点火用のバーナ
７を付属している。 A combustion chamber 2 for ignition is located on the side of the lower end of the carbonization tower 1.
The combustion chamber 2 is provided with a fuel inlet 3 and is connected to an air supply pipe 4a for supplying air from a fan 4. The combustion chamber 2 is divided from the inside of the carbonization tower 1 by a partition wall 5, communicates with the interior of the carbonization column 1 through a communication port 6 provided in the partition wall 5, and is provided with a burner 7 for igniting fuel.
乾留塔１の底部は対向する２辺が中央部側に傾
斜した楔状の断面形状を持つように形成され、下
端には補助燃料油を供給するための凹溝８を設け
ている。この凹溝８には、外部から燃焼可能な油
を供給する配管９が接続される。また、凹溝８の
直上に積層される被燃物を加熱燃焼させるための
補助バーナ１０が設けられる。なお、１ａは灰出
し口である。 The bottom of the carbonization tower 1 is formed to have a wedge-shaped cross-sectional shape with two opposing sides inclined toward the center, and a groove 8 for supplying auxiliary fuel oil is provided at the lower end. A pipe 9 for supplying combustible oil from the outside is connected to this groove 8. Further, an auxiliary burner 10 is provided for heating and burning the material to be burnt which is stacked directly above the groove 8 . Note that 1a is an ash outlet.
凹溝８に供給する油は、非揮発性のものであれ
ばよく、灯油、軽油及び重油等のほかに廃油も利
用できる。 The oil supplied to the groove 8 only needs to be non-volatile, and in addition to kerosene, light oil, heavy oil, etc., waste oil can also be used.
更に、乾留塔１の上部側には被燃物を投入する
ための装入口１１を設け、外部に配置した作業台
１２及びリフト１３を利用して被燃物をこの装入
口１１から装入する。また、被燃物を乾留した後
の乾留ガスは、乾留塔１に直結した接続管１４か
ら温水ボイラ等の熱回収機に供給される。この接
続管１４は、第２図に示すように、乾留塔１の凹
溝８に直交する配置となつている。 Further, a charging port 11 for charging combustible materials is provided on the upper side of the carbonization tower 1, and combustible materials are charged from this charging port 11 using a work table 12 and a lift 13 arranged outside. . Further, the carbonized gas after carbonizing the combustible material is supplied from a connecting pipe 14 directly connected to the carbonization tower 1 to a heat recovery machine such as a hot water boiler. As shown in FIG. 2, this connecting pipe 14 is arranged to be orthogonal to the groove 8 of the carbonization tower 1.
上記構成において、燃焼室２内に固形燃料等の
可燃物を燃料投入口３から投入した後、バーナ７
によつて点火すると共にフアン４から空気供給管
４ａによつて空気を給気する。この操作により、
燃焼室２内で燃料が燃焼し、高温となつた燃焼ガ
スは連絡口６から乾留塔１内に流入する。一方、
乾留塔１内には装入口１１から被燃物が積層状態
に装入され、燃焼ガスの上昇によつて乾留され
る。 In the above configuration, after charging combustible material such as solid fuel into the combustion chamber 2 from the fuel input port 3, the burner 7
At the same time, air is supplied from the fan 4 through the air supply pipe 4a. With this operation,
Fuel is combusted in the combustion chamber 2, and the high-temperature combustion gas flows into the carbonization tower 1 through the communication port 6. on the other hand,
Burnable materials are charged into the carbonization tower 1 from a charging port 11 in a stacked state, and are carbonized as the combustion gas rises.
ここで、乾留開始の時点では、乾留塔１の最も
下部に位置する被燃物を燃焼温度まで昇温するこ
とが必要である。この場合、燃焼室２の燃焼ガス
により、乾留塔１の下部の被燃物に点火し、同時
に燃焼室２の被燃物を通して一次燃焼用空気を供
給する。また、補助バーナ１０によつて加熱する
と同時にこの加熱によつて凹溝８に供給している
油を燃やすことにより、点火を促進する。すなわ
ち、燃焼室２からの燃焼ガスに加えて、補助バー
ナ１０によつて凹溝８内の油に点火することによ
り、被燃物の着火を確実に行うことができる。 Here, at the time of starting carbonization, it is necessary to raise the temperature of the combustible material located at the lowest part of the carbonization tower 1 to the combustion temperature. In this case, the combustion gas in the combustion chamber 2 ignites the combustion material in the lower part of the carbonization tower 1, and at the same time, primary combustion air is supplied through the combustion material in the combustion chamber 2. In addition, ignition is promoted by heating the oil with the auxiliary burner 10 and simultaneously burning the oil supplied to the groove 8 through this heating. That is, by igniting the oil in the groove 8 by the auxiliary burner 10 in addition to the combustion gas from the combustion chamber 2, the combustible material can be reliably ignited.
このように、乾留塔１の底部に油を注入する凹
溝８を設けると共に着火用の補助バーナ１０の点
火によつて、被燃物の着火がきわめて円滑に行わ
れる。したがつて、積層状態にある被燃物内を燃
焼室２からの燃焼ガス及び油の燃焼による燃焼ガ
スが同時に上昇することになり、乾留が促進され
る結果となる。 In this way, by providing the concave groove 8 for injecting oil at the bottom of the carbonization tower 1 and by igniting the auxiliary burner 10 for ignition, the ignition of the material to be burnt is carried out very smoothly. Therefore, the combustion gas from the combustion chamber 2 and the combustion gas from the combustion of oil rise simultaneously in the stacked materials to be burned, resulting in accelerated carbonization.
また、被燃物の乾留がこのように良好な条件下
で行われるために、余剰の活性空気が乾留塔１内
には残存しなくなる。したがつて、乾留過程での
爆発等を防止できる。 Further, since the carbonization of the combustible material is performed under such favorable conditions, no surplus activated air remains in the carbonization tower 1. Therefore, explosions and the like during the carbonization process can be prevented.
以上に説明したように、本考案の乾留装置にお
いては、乾留塔の底部に着火用の燃焼室を設ける
と共に油を注入する凹溝を形成し、この油に点火
する補助バーナを備え、燃焼室で点火用の燃料を
燃焼させると共に油に点火して被燃物を着火燃焼
させるようにしている。したがつて、油の燃焼に
より被燃物の着火が確実となると共に乾留を促進
させることができ、乾留塔内の余剰の空気を消火
し、爆発事故の発生を防止できる。
As explained above, in the carbonization apparatus of the present invention, a combustion chamber for ignition is provided at the bottom of the carbonization tower, a groove is formed for injecting oil, and an auxiliary burner is provided to ignite this oil. At the same time, the ignition fuel is combusted, and the oil is ignited to ignite and burn the combustible material. Therefore, combustion of the oil ensures the ignition of the material to be burnt, and also promotes carbonization, extinguishes excess air in the carbonization tower, and prevents explosion accidents.
第１図は本考案に係る乾留装置の縦断面図、第
２図は同平面図である。
１……乾留塔、２……燃焼室、３……燃料投入
口、４……フアン、５……隔壁、６……連絡口、
７……バーナ、８……凹溝、９……配管、１０…
…補助バーナ、１１……装入口、１２……作業
台、１３……リフト、１４……接続管。
FIG. 1 is a longitudinal sectional view of a carbonization apparatus according to the present invention, and FIG. 2 is a plan view thereof. 1... Carbonization tower, 2... Combustion chamber, 3... Fuel inlet, 4... Fan, 5... Partition wall, 6... Connection port,
7... Burner, 8... Concave groove, 9... Piping, 10...
...Auxiliary burner, 11...Charging port, 12...Work table, 13...Lift, 14...Connecting pipe.
Claims (1)
塔内に燃焼ガスを供給することにより前記被燃物
を乾留する乾留装置において、前記燃焼ガスを供
給する燃焼室を前記乾留塔の下部に連設し、且つ
該乾留塔の底部に可燃性の油が注入される凹溝を
形成すると共に該油に点火する補助バーナを設け
たことを特徴とする乾留装置。 In a carbonization apparatus that carbonizes the combustion materials by charging the combustion materials into a carbonization tower in a stacked state and supplying combustion gas into the carbonization tower, the combustion chamber for supplying the combustion gas is connected to the carbonization tower. 1. A carbonization apparatus characterized in that the carbonization column is provided with an auxiliary burner that forms a concave groove in the bottom of the carbonization tower into which flammable oil is injected, and that ignites the oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986178554U JPH0330671Y2 (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986178554U JPH0330671Y2 (en) | 1986-11-19 | 1986-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386528U JPS6386528U (en) | 1988-06-06 |
| JPH0330671Y2 true JPH0330671Y2 (en) | 1991-06-28 |
Family
ID=31120794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986178554U Expired JPH0330671Y2 (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330671Y2 (en) |
-
1986
- 1986-11-19 JP JP1986178554U patent/JPH0330671Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6386528U (en) | 1988-06-06 |
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