JPH074626A - Fluidized-bed type incinerator - Google Patents

Fluidized-bed type incinerator

Info

Publication number
JPH074626A
JPH074626A JP5171134A JP17113493A JPH074626A JP H074626 A JPH074626 A JP H074626A JP 5171134 A JP5171134 A JP 5171134A JP 17113493 A JP17113493 A JP 17113493A JP H074626 A JPH074626 A JP H074626A
Authority
JP
Japan
Prior art keywords
furnace
air
fuel
radiant tube
heat
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
Application number
JP5171134A
Other languages
Japanese (ja)
Inventor
Kyoji Nagaishi
恭二 永石
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAIEI YUNITSUKU KK
Original Assignee
DAIEI YUNITSUKU KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DAIEI YUNITSUKU KK filed Critical DAIEI YUNITSUKU KK
Priority to JP5171134A priority Critical patent/JPH074626A/en
Publication of JPH074626A publication Critical patent/JPH074626A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Landscapes

  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Air Supply (AREA)

Abstract

PURPOSE:To transfer a quantity of heat of fuel to heating medium to a maximum limit, to simplify a size of a furnace itself, and to reduce a facility cost and a running cost. CONSTITUTION:At least one or more radiant tube type burners 6 are arranged in heating medium 5 contained in an air diffuser plate 4 provided on a plenum chamber 2 in a furnace 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は流動床式焼却炉に関し、
特に、燃料の有する熱量を最大限に熱媒に伝熱させるこ
とで燃料の消費効率を上げ、加えて炉自体のサイズのコ
ンパクト化を図り、総体的な経費をローコスト化するこ
とができる流動床式焼却炉の改良に関する。
BACKGROUND OF THE INVENTION The present invention relates to a fluidized bed incinerator,
In particular, by maximizing the amount of heat possessed by the fuel to the heat medium, the efficiency of fuel consumption is increased, the size of the furnace itself is made compact, and the overall cost can be lowered. Type improvement of incinerator.

【0002】[0002]

【従来の技術】一般的に、流動床式焼却炉1は炉内の下
方に送風用の風箱が構成され、その風箱の上部に複数の
散気孔が穿設された散気盤が設けられ、その散気盤上に
硅砂等の熱媒が収納されているもので、この熱媒は風箱
から散気盤の散気孔を通り噴出するエアで流動されるも
のとなっている。また、焼却対象物はこの炉内へ送り込
まれ、重油等を燃料とするバーナー等を使用して熱媒の
温度維持を図る伝熱手段が採られている。さらに、場合
によっては直接的に熱媒に対して燃料を噴霧することも
行なわれている。
2. Description of the Related Art Generally, a fluidized bed type incinerator 1 is provided with a wind box for blowing air in the lower part of the furnace, and an air diffuser having a plurality of air diffusion holes is provided on the upper part of the air box. A heat medium such as silica sand is stored on the air diffuser, and this heat medium is made to flow by the air ejected from the air box through the air diffuser holes of the air diffuser. Further, the object to be incinerated is sent into this furnace, and a heat transfer means for maintaining the temperature of the heat medium by using a burner or the like using heavy oil as fuel is adopted. Further, in some cases, the fuel is directly sprayed onto the heat medium.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、従来の
流動床式焼却炉にあっては燃料ガスが炉内に入る構造と
なっており、特に重油等の液体燃料を使用する場合には
炉壁から内部へ吹き込むこととなって燃料は流動中の熱
媒に阻害されて、炉壁近傍で不完全燃焼を生じ易く、燃
料の有する熱量の伝熱効率が低くなっている。また、燃
料を炉内で燃やすために酸素(空気)を必要とし、燃焼
後には排ガスとして炉外へ排出する必要があるため、ト
ータル的なガスボリュームが増えて炉内での十分な排ガ
スの滞留時間を得るためには炉のサイズを大きくせざる
を得ないものとなっている。
However, the conventional fluidized bed type incinerator has a structure in which the fuel gas enters the inside of the furnace, and in particular, when liquid fuel such as heavy oil is used, it is removed from the furnace wall. As the fuel is blown into the inside, the fuel is obstructed by the flowing heat medium, and incomplete combustion is likely to occur near the furnace wall, and the heat transfer efficiency of the heat quantity of the fuel is low. In addition, oxygen (air) is required to burn the fuel in the furnace, and after combustion, it is necessary to discharge it as exhaust gas outside the furnace, so the total gas volume increases and sufficient exhaust gas retention in the furnace In order to get the time, the size of the furnace must be increased.

【0004】[0004]

【発明の目的】そこで、本発明は上記した従来の技術の
問題点に着目してなされたもので、かかる問題点を解消
して、燃料の有する熱量を最大限に熱媒に伝熱させるこ
とができ、しかも炉自体のサイズをコンパクト化でき、
設備費用、ランニングコストの低廉化を図ることができ
る流動床式焼却炉を提供することを目的としている。
SUMMARY OF THE INVENTION Therefore, the present invention has been made by paying attention to the above-mentioned problems of the prior art. In order to solve the problems, the heat quantity of the fuel is transferred to the heat medium to the maximum. And the furnace itself can be made smaller,
It is an object of the present invention to provide a fluidized bed type incinerator that can reduce facility costs and running costs.

【0005】[0005]

【課題を解決するための手段】この目的を達成するため
に、本発明に係る流動床式焼却炉は炉内の風箱上に設け
られた散気盤上に収容されている熱媒中にラジアントチ
ューブ式バーナーを少なくとも一以上配設してあること
を特徴としている。
In order to achieve this object, a fluidized bed incinerator according to the present invention has a heating medium housed on a diffuser plate provided on a wind box in the furnace. At least one radiant tube burner is provided.

【0006】[0006]

【作用】係る構造としたことにより、排ガスは炉内に入
ることがなくなり、焼却炉の構造に関して燃料ガスを考
慮する必要がなくなるので設計の自由度が高まり炉自体
や排ガスの処理設備等をコンパクト化することができ
る。また、燃料の熱量は最大限に有効使用でき、重油燃
料等のように燃料燃焼に伴う硫黄酸化物等の有害物質の
発生もなくなる。さらに、ラジアントチューブ式バーナ
ーの特性によってチューブ内部で確実に燃料ガスが燃焼
するので、ノズルの詰まり等に起因する失火等の不測の
事故も未然に防止することができることとなる。
[Operation] With this structure, exhaust gas does not enter the furnace, and there is no need to consider the fuel gas in the structure of the incinerator, which increases the degree of freedom in design and makes the furnace itself and exhaust gas treatment equipment compact. Can be converted. In addition, the calorific value of the fuel can be used effectively to the maximum, and the generation of harmful substances such as sulfur oxides due to the combustion of fuel, such as heavy oil fuel, is eliminated. Furthermore, since the fuel gas is reliably burned inside the tube due to the characteristics of the radiant tube burner, it is possible to prevent accidental accidents such as misfires due to nozzle clogging.

【0007】[0007]

【実施例】次に、本発明の実施の一例を図面を参照して
説明する。図1は本発明を実施した流動床式焼却炉の構
成図、図2はラジアントチューブ式バーナーの斜視図で
ある。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described with reference to the drawings. FIG. 1 is a block diagram of a fluidized bed incinerator embodying the present invention, and FIG. 2 is a perspective view of a radiant tube burner.

【0008】これらの図にあって1は焼却炉を示してお
り、この焼却炉1は底部に風箱2が構成され、その風箱
2上には複数の散気孔3・3…が形成された散気盤4が
設けられている。そして、この散気盤4上には硅砂等の
熱媒5が収容されている。
In these figures, reference numeral 1 shows an incinerator. The incinerator 1 has a wind box 2 at the bottom thereof, and a plurality of air diffusion holes 3, 3 ... Are formed on the wind box 2. An air diffuser 4 is provided. A heat medium 5 such as silica sand is accommodated on the air diffuser 4.

【0009】一方、図中6・6…は前記した熱媒5中に
配設されたラジアントチューブ式バーナーで、本実施例
では複数本が並置されたものとなっている。また、7は
第一のブロワーを示し、後に詳述するようにラジアント
チューブ式バーナー6・6…のエア導入口へ燃焼に必要
な空気を送り込むものとなっている。
On the other hand, reference numerals 6 and 6 in the figure denote radiant tube type burners arranged in the heat medium 5, and in the present embodiment, a plurality of them are arranged side by side. Reference numeral 7 denotes a first blower, which feeds air necessary for combustion to the air introduction port of the radiant tube type burner 6, 6 ... As described later.

【0010】また、ラジアントチューブ式バーナー6・
6…からの排ガスは熱交換器8へ送られ、第二のブロワ
ー9よりこの熱交換器8へ供給された熱媒5の流動用空
気と熱交換される。即ち、熱媒5を流動させるための空
気はこの熱交換器8によって熱風とされて風箱2内へ送
られ、散気盤4の散気孔3・3…より熱媒5に対して噴
出することとなっている。
In addition, the radiant tube type burner 6
The exhaust gas from 6 ... Is sent to the heat exchanger 8 and is heat-exchanged with the flowing air of the heat medium 5 supplied to the heat exchanger 8 from the second blower 9. That is, the air for flowing the heat medium 5 is turned into hot air by the heat exchanger 8 and sent into the wind box 2, and is jetted to the heat medium 5 from the air diffusion holes 3 ... It is supposed to be.

【0011】ここで、ラジアントチューブ式バーナー6
の構造を説明すると、このラジアントチューブ式バーナ
ー6は先端を封止閉塞した構成となっており、大径とし
たバーナー部14の基端に燃料ガスの注入口10が形成
され、そのバーナー部14に第一のブロワー7から燃焼
用空気が送入されるエア導入口11が形成されている。
燃料ガスとエアの混合気はチューブ12内で燃焼する
が、燃焼のための混合ガスは先端でリターンしてバーナ
ー部14へ戻り、排ガスの排出口15から排気される。
この排ガスの排出口15は前記したように熱交換器8と
連通されている。
Here, the radiant tube type burner 6
The structure of this radiant tube burner 6 has a structure in which the tip is sealed and closed, and a fuel gas inlet 10 is formed at the base end of the burner portion 14 having a large diameter. An air introduction port 11 into which combustion air is sent from the first blower 7 is formed in.
The mixture of fuel gas and air burns in the tube 12, but the mixed gas for combustion returns at the tip, returns to the burner section 14, and is exhausted from the exhaust gas outlet 15.
The exhaust gas discharge port 15 communicates with the heat exchanger 8 as described above.

【0012】本実施例に係る流動床式焼却炉は上記のよ
うに構成され、作用する。ラジアントチューブ式バーナ
ー6・6…を熱媒5中に配設してあるので、炉1内には
燃料及び排ガスが一切存在することがなくなり、また、
その排ガスを熱媒5の流動用空気と熱交換して熱風とし
ているので、熱効率が極めてよいものとなっている。
The fluidized bed incinerator according to this embodiment is constructed and operates as described above. Since the radiant tube type burners 6, 6, ... Are arranged in the heat medium 5, there is no fuel or exhaust gas in the furnace 1, and
Since the exhaust gas is heat-exchanged with the flowing air of the heat medium 5 to form hot air, the thermal efficiency is extremely good.

【0013】[0013]

【発明の効果】本発明に係る流動床式焼却炉は上述のよ
うに構成されている。そのため、燃料ガスや排ガスに関
して設計上考慮する必要性がなくなり、設備をコンパク
ト化することができ、しかもクリーンで安全性も高いも
のとなる。さらに、設備のコンパクト化や燃料の使用効
率が向上するのでトータル的なコストは大きく低廉化さ
れることとなっている。
The fluidized bed incinerator according to the present invention is constructed as described above. Therefore, it is not necessary to consider the fuel gas and the exhaust gas in the design, the equipment can be made compact, and the cleanness and safety are high. Furthermore, since the equipment is made compact and the fuel use efficiency is improved, the total cost is greatly reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明を実施した流動床式焼却炉の構成図であ
る。
FIG. 1 is a configuration diagram of a fluidized bed type incinerator according to the present invention.

【図2】ラジアントチューブ式バーナーの斜視図であ
る。
FIG. 2 is a perspective view of a radiant tube burner.

【符号の説明】[Explanation of symbols]

1 焼却炉 2 風箱 3 散気孔 4 散気盤 5 熱媒 6 ラジアントチューブ式バーナー 7 第一のブロワー 8 熱交換器 9 第二のブロワー 10 注入口 11 エア導入口 12 チューブ 14 バーナー部 15 排出口 1 incinerator 2 air box 3 air diffuser 4 air diffuser 5 heat medium 6 radiant tube burner 7 first blower 8 heat exchanger 9 second blower 10 inlet 11 air inlet 12 tube 14 burner section 15 outlet

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 炉内の風箱上に設けられた散気盤上に収
容されている熱媒中にラジアントチューブ式バーナーを
少なくとも一以上配設してあることを特徴とする流動床
式焼却炉。
1. A fluidized bed incinerator, characterized in that at least one radiant tube burner is provided in a heat medium housed on an air diffuser provided on a wind box in a furnace. Furnace.
【請求項2】 前記したラジアントチューブ式バーナー
の排熱を焼却対象物の燃焼用エアーと熱交換させるため
の熱交換器を備えていることを特徴とする請求項1に記
載の流動床式焼却炉。
2. The fluidized bed incinerator according to claim 1, further comprising a heat exchanger for exchanging the exhaust heat of the radiant tube burner with the air for combustion of an object to be incinerated. Furnace.
JP5171134A 1993-06-17 1993-06-17 Fluidized-bed type incinerator Pending JPH074626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5171134A JPH074626A (en) 1993-06-17 1993-06-17 Fluidized-bed type incinerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5171134A JPH074626A (en) 1993-06-17 1993-06-17 Fluidized-bed type incinerator

Publications (1)

Publication Number Publication Date
JPH074626A true JPH074626A (en) 1995-01-10

Family

ID=15917620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5171134A Pending JPH074626A (en) 1993-06-17 1993-06-17 Fluidized-bed type incinerator

Country Status (1)

Country Link
JP (1) JPH074626A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013249605A (en) * 2012-05-31 2013-12-12 Ihi Corp Gas-hydrate collecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013249605A (en) * 2012-05-31 2013-12-12 Ihi Corp Gas-hydrate collecting system

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