JPH0868530A - Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment - Google Patents

Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment

Info

Publication number
JPH0868530A
JPH0868530A JP6205845A JP20584594A JPH0868530A JP H0868530 A JPH0868530 A JP H0868530A JP 6205845 A JP6205845 A JP 6205845A JP 20584594 A JP20584594 A JP 20584594A JP H0868530 A JPH0868530 A JP H0868530A
Authority
JP
Japan
Prior art keywords
heat storage
air
burner
cleaning
exhaust gas
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
JP6205845A
Other languages
Japanese (ja)
Inventor
Sanae Goto
早苗 後藤
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP6205845A priority Critical patent/JPH0868530A/en
Publication of JPH0868530A publication Critical patent/JPH0868530A/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

Abstract

PURPOSE: To prolong the useful life of a heat accumulator and thereby to reduce the number of times of replacement thereof in a furnace equipped with a regenerative type burner wherein the heat accumulator is heated by using exhaust gas and combustion air is preheated by passing it through this heat accumulator. CONSTITUTION: Heat accumulators 3A to 3D are attached in twos to respective paired heating burners 2A and 2B disposed at the main body 1 of a heating furnace. The heating burners 2A and 2B are started by using one of the heat accumulators 3A and 3B in one set and one of 3C and 3D in the other alternately, while a jet pulse is sent into the other in each set of the heat accumulators 3A to 3D which is out of operation and thereby a contaminant of exhaust gas sticking to a heat accumulating medium 3a inside the heat accumulator is peeled off and removed.

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、アルミニウム溶解炉や
圧延加熱炉、鍛造加熱炉などの各種炉に用いられ、蓄熱
機能により燃焼空気を予熱する洗浄機能付蓄熱式バーナ
ー(リジェネレイティブバーナー)および運転・休止を
繰り返す准連続式ごみ焼却炉のボイラーに洗浄機能付蓄
熱式バーナーを備えたごみ焼却設備に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in various furnaces such as an aluminum melting furnace, a rolling heating furnace, a forging heating furnace, etc., and a regenerative burner with a cleaning function for preheating combustion air by a heat storage function (regenerative burner). The present invention also relates to a waste incineration facility in which a boiler of a semi-continuous waste incinerator that repeats operation and suspension is equipped with a heat storage type burner with a cleaning function.

【0002】[0002]

【従来の技術】従来、少なくとも一対の蓄熱体を装備
し、バーナーからの燃焼排ガスと燃焼空気とを交互に流
送して、排ガスから回収した廃熱により燃焼空気を炉内
温度近くまで予熱し、バーナーに供給する装置は、アル
ミニウム溶解炉や圧延加熱炉、鍛造加熱炉などで実用化
されており、バーナーの燃料を従来の2/3から1/2
に節減するのに成功している。
2. Description of the Related Art Conventionally, at least a pair of heat storage bodies are provided, the combustion exhaust gas from a burner and combustion air are alternately sent, and the combustion air is preheated to near the furnace temperature by the waste heat recovered from the exhaust gas. The equipment for supplying the burner has been put to practical use in aluminum melting furnaces, rolling heating furnaces, forging heating furnaces, etc.
It has succeeded in saving money.

【0003】[0003]

【発明が解決しようとする課題】しかし、上記蓄熱体に
使用される蓄熱媒体は、たとえばアルミナを焼成して直
径20〜50mmのボール状に形成されたものや、砕石
状のアルミナ電鋳品で20〜30mmの不定形のナゲッ
ト状ものが使用され、排ガスに対するフィルタリング機
能を有する。したがって、排ガスに汚染成分が多く含ま
れる場合、蓄熱体の汚れが激しく、一定使用時間ごとに
交換する必要があり、炉の停止を余儀無くされていた。
However, the heat storage medium used for the heat storage body is, for example, one formed by firing alumina into a ball shape having a diameter of 20 to 50 mm, or a crushed stone electroformed article. An irregular nugget having a size of 20 to 30 mm is used and has a filtering function for exhaust gas. Therefore, when the exhaust gas contains a large amount of polluting components, the heat storage body is heavily contaminated, and it is necessary to replace the heat storage body at regular intervals of use, which necessitates stopping the furnace.

【0004】本発明は、上記問題点を解決して、汚れた
排ガスから熱回収する場合であっても、交換なしに蓄熱
体を長期間使用することかできる洗浄機能付蓄熱式バー
ナーを備えた炉およびごみ焼却設備を提供することを目
的とする。
The present invention is provided with a heat storage type burner with a cleaning function which solves the above problems and enables the heat storage body to be used for a long time without replacement even when heat is recovered from dirty exhaust gas. The purpose is to provide a furnace and refuse incineration equipment.

【0005】[0005]

【課題を解決するための手段】上記問題点を解決するた
めに本発明の洗浄機能付蓄熱式バーナーを備えた炉は、
炉本体に少なくとも一対のバーナーを具備し、各バーナ
ーにそれぞれ2個の蓄熱体を配設し、各バーナーの燃焼
空気口と各蓄熱体とを連通するとともに、各蓄熱体に排
ガス管と空気供給管と洗浄空気管とをそれぞれ接続し、
前記洗浄空気管の上流端に洗浄用脈動空気を供給可能な
洗浄空気ポンプを配置し、起動側のバーナーに一方の蓄
熱体を介して燃焼空気を供給するとともに、停止側のバ
ーナーの燃焼空気口から排ガスを一方の蓄熱体を介して
排出させ、これを両バーナーで一定時間毎に交互に繰り
返して起動・停止を行い、かつ他方の蓄熱体に洗浄空気
ポンプから洗浄空気を供給し、さらに所定時間経過後に
一方の蓄熱体と他方の蓄熱体を切り換えるバーナー制御
装置を設けたものである。
In order to solve the above problems, a furnace equipped with a heat storage type burner with a cleaning function of the present invention is
The furnace body is equipped with at least a pair of burners, each burner is provided with two heat storage bodies, the combustion air port of each burner is in communication with each heat storage body, and each heat storage body is supplied with an exhaust gas pipe and air. Connect the pipe and the washing air pipe respectively,
A cleaning air pump capable of supplying pulsating air for cleaning is arranged at the upstream end of the cleaning air pipe, and the combustion air is supplied to the burner on the start side through one heat storage body, and the combustion air port of the burner on the stop side is provided. The exhaust gas is discharged from one of the heat storage bodies, and this is alternately started and stopped by both burners at regular intervals, and the cleaning air is supplied from the wash air pump to the other heat storage body. A burner control device is provided to switch between one heat storage body and the other heat storage body after a lapse of time.

【0006】また、本発明に係る洗浄機能付蓄熱式バー
ナーを備えたごみ焼却設備は、ごみ焼却炉の排ガス経路
中に水管群を備えたボイラーを配設し、このボイラーに
少なくとも一対の加熱バーナーを具備し、各加熱バーナ
ーにそれぞれ2個の蓄熱体を配設し、各加熱バーナーの
燃焼空気口と各蓄熱体とを連通するとともに、各蓄熱体
に排ガス管と空気供給管と洗浄空気管とをそれぞれ接続
し、前記洗浄空気管の上流端に洗浄用脈動空気を供給可
能な洗浄空気ポンプを配置し、ごみ焼却炉の休止中に、
起動側の加熱バーナーに一方の蓄熱体を介して燃焼空気
を供給するとともに、停止側の加熱バーナーの燃焼空気
口から排ガスを一方の蓄熱体を介して排出させ、これを
両加熱バーナーで一定時間毎に交互に繰り返して起動・
停止を行い、かつ各加熱バーナーの他方の蓄熱体に洗浄
空気ポンプから洗浄用脈動空気を供給し、さらに所定時
間経過後に一方の蓄熱体と他方の蓄熱体を切り換えるバ
ーナー制御装置を設けたものである。
Further, in the refuse incinerator equipped with the heat storage type burner with a cleaning function according to the present invention, a boiler provided with a water pipe group is disposed in the exhaust gas passage of the refuse incinerator, and at least one pair of heating burners is provided in the boiler. Each heating burner is provided with two heat storage bodies, and the combustion air port of each heating burner communicates with each heat storage body, and each heat storage body has an exhaust gas pipe, an air supply pipe, and a cleaning air pipe. And a cleaning air pump capable of supplying cleaning pulsating air at the upstream end of the cleaning air pipe, respectively, while the refuse incinerator is at rest,
Combustion air is supplied to the heating burner on the start side through one of the heat storage bodies, and exhaust gas is discharged from the combustion air port of the heating burner on the stop side through one of the heat storage bodies. Repeatedly start each time
A burner controller is provided to stop and supply the cleaning pulsating air from the cleaning air pump to the other heat storage body of each heating burner, and to switch between the one heat storage body and the other heat storage body after a predetermined time has elapsed. is there.

【0007】さらに、洗浄機能付蓄熱式バーナーを備え
たごみ焼却設備は、ごみ焼却炉の排ガス経路に水管群を
備えたボイラーを配設し、このボイラーの上流側に加熱
バーナーを設け、この加熱バーナーに少なくとも一対2
組の蓄熱体を配置し、前記各蓄熱体に、排ガス管と燃焼
空気供給管と洗浄空気管とをそれぞれ接続し、前記洗浄
空気管の上流端に洗浄用脈動空気を供給可能な洗浄空気
ポンプを配置し、ごみ焼却炉の休止中に、2組の蓄熱体
を交互に切り換えて、使用する組の蓄熱体の一方に排ガ
スを導入して加熱し、他方の組の蓄熱体に燃焼空気を通
過させて予熱するとともに、これを交互に切り換え、さ
らに各組の残りの蓄熱体にそれぞれ洗浄用脈動空気を供
給するバーナー制御装置を設けたものである。
Further, the waste incineration facility equipped with a heat storage type burner with a cleaning function is provided with a boiler equipped with a water pipe group in the exhaust gas path of the waste incinerator, and a heating burner is provided on the upstream side of this boiler to heat the boiler. At least one to two on the burner
A cleaning air pump capable of arranging a pair of heat storage bodies, connecting an exhaust gas pipe, a combustion air supply pipe, and a cleaning air pipe to each of the heat storage bodies, and supplying pulsating air for cleaning to the upstream end of the cleaning air pipe. , The two sets of heat storage bodies are switched alternately during the rest of the refuse incinerator, the exhaust gas is introduced into one of the heat storage bodies of the set to be used for heating, and the combustion air is supplied to the heat storage body of the other set. A burner control device is provided to allow the cleaning pulsating air to pass through each of the remaining heat storage bodies of each group while preliminarily heating it by passing it through.

【0008】[0008]

【作用】上記構成において、休止中の蓄熱体に吹き込ま
れる洗浄用脈動空気により、フィルタリングにより排ガ
スから除去されて表面に付着した汚染物を剥離除去して
洗浄することができるので、蓄熱体の機能低下を防止し
て耐用使用期間を延長し、運転コストを低減できるとと
もに、稼働時間を長くすることができ、炉の運転中であ
っても蓄熱体の交換作業を行うことができる。
In the above structure, the cleaning pulsating air blown into the resting heat storage body can remove and remove the contaminants removed from the exhaust gas by filtering and adhering to the surface for cleaning. It is possible to prevent the deterioration, extend the service life, reduce the operating cost, extend the operating time, and perform the heat storage replacement work even during the operation of the furnace.

【0009】また上記ごみ焼却設備では、ごみ焼却炉の
運転中は、ごみ焼却炉の休止中は加熱バーナーにより、
ボイラーを加熱して排ガス中の有害物質の結露による露
点腐食を防止することができる。また、蓄熱式の加熱バ
ーナーまたは蓄熱式の空気予熱器により、加熱バーナー
の排ガスを有効利用して燃焼空気をボイラー内温度近く
まで加熱することができるので、加熱バーナーの燃料消
費量を約半分近くまで節減することができ、運転コスト
を大幅に低減することができる。さらに、排ガスから除
去されて表面に付着した汚染物を剥離除去して洗浄する
ことができるので、蓄熱体の機能が低下を防止して耐用
使用期間を延長することができる。
In the above refuse incinerator, a heating burner is used during operation of the refuse incinerator and while the refuse incinerator is stopped.
The boiler can be heated to prevent dew point corrosion due to dew condensation of harmful substances in the exhaust gas. In addition, the heat storage type heating burner or the heat storage type air preheater can effectively use the exhaust gas of the heating burner to heat the combustion air up to the temperature inside the boiler, so the fuel consumption of the heating burner is almost half. The operating cost can be significantly reduced. Furthermore, since the contaminants removed from the exhaust gas and adhered to the surface can be peeled off and cleaned, the function of the heat storage body can be prevented from deteriorating and the service life can be extended.

【0010】[0010]

【実施例】以下、本発明に係る加熱炉の第1実施例を図
1に基づいて説明する。炉本体1には互いに対向して一
対の第1,第2加熱バーナー(バーナー)2A,2Bが
配設され、バーナー制御装置12により、所定の起動時
間ごとに交互に起動・停止するように構成されている。
前記第1,第2加熱バーナー2A,2Bにはそれぞれ2
個の第1〜第4蓄熱体3A〜3Dがそれぞれ配設されて
おり、これら第1〜第4蓄熱体3A〜3Dは、断熱ボッ
クス内に隙間を通して排ガスや空気を流送可能な粒状の
蓄熱媒体3aが収容され、この蓄熱媒体3aは、たとえ
ばアルミナを焼成して直径20〜50mmのボール状に
形成されたものや、砕石状のアルミナ電鋳品で20〜3
0mmの不定形のものが使用される。
EXAMPLE A first example of the heating furnace according to the present invention will be described below with reference to FIG. The furnace body 1 is provided with a pair of first and second heating burners (burners) 2A and 2B facing each other, and is configured to be alternately started and stopped by the burner control device 12 at predetermined start times. Has been done.
Each of the first and second heating burners 2A and 2B has two
Individual first to fourth heat storage bodies 3A to 3D are respectively arranged, and these first to fourth heat storage bodies 3A to 3D are granular heat storage capable of sending exhaust gas or air through gaps in the heat insulation box. The medium 3a is housed, and the heat storage medium 3a is, for example, one formed by firing alumina into a ball shape having a diameter of 20 to 50 mm, or a crushed alumina electroformed product of 20 to 3
A 0 mm irregular shape is used.

【0011】また第1,第2加熱バーナー2A,2Bの
燃料噴射器には、第1,第2燃料制御弁4a,4bが介
在された第1,第2燃料供給管4A,4Bそれぞれ接続
されている。
Further, the fuel injectors of the first and second heating burners 2A and 2B are connected to first and second fuel supply pipes 4A and 4B, respectively, in which first and second fuel control valves 4a and 4b are interposed. ing.

【0012】第1加熱バーナー2Aには、第1,第2蓄
熱体3A,3Bの蓄熱媒体3aで予熱された燃焼空気が
交互に供給されるように構成されている。すなわち、第
1加熱バーナー2Aが燃焼される場合、燃焼空気は、給
気ファン5Aの吐出口に接続された第1,第2空気供給
管6A,6Bから第1,第2空気切御弁6a,6bを介
して第1,第2蓄熱体3A,3Bにそれぞれ導入され、
蓄熱媒体3aを通過して炉内温度程度に高温に予熱され
た後、第1,第2蓄熱体3A,3Bに接続された第1,
第2空気送入管7A,7Bから第3,第4空気制御弁6
c,6dを介して第1,第2連通管8A,8Bに送ら
れ、さらに第1,第2蓄熱体切換弁8a,8bを介して
第1加熱バーナー2Aの燃焼空気口に送られる。
Combustion air preheated by the heat storage medium 3a of the first and second heat storage bodies 3A and 3B is alternately supplied to the first heating burner 2A. That is, when the first heating burner 2A is combusted, the combustion air is supplied from the first and second air supply pipes 6A and 6B connected to the discharge port of the air supply fan 5A to the first and second air control valves 6a. , 6b and introduced into the first and second heat storage bodies 3A, 3B, respectively,
After passing through the heat storage medium 3a and being preheated to a temperature as high as the furnace temperature, the first and second heat storage bodies 3A and 3B are connected to each other.
From the second air inlet pipes 7A, 7B to the third and fourth air control valves 6
It is sent to the first and second communication pipes 8A and 8B via c and 6d, and is further sent to the combustion air port of the first heating burner 2A through the first and second heat storage body switching valves 8a and 8b.

【0013】また、第1加熱バーナー2Aで燃焼された
排ガスは、第2加熱バーナー2Bを介して第3,第4蓄
熱体3C,3Dに導入され、第3,第4蓄熱体3C,3
Dの蓄熱媒体3aを加熱した後排出するように構成され
ている。すなわち、第1加熱バーナー2Aの排ガスは、
第2加熱バーナー2Bの燃焼空気口に接続された第3,
第4連通管8C,8Dから第3,第4蓄熱体切換弁8
c,8dを介して第3,第4排ガス導入管9A,9Dに
導入され、さらに第5,第6排ガス制御弁9e,9fを
介して第3,第4蓄熱体3C,3Dに導入される。さら
に第3,第4蓄熱体3C,3Dに接続された第3,第4
排ガス排出管10C,10Dから第7,第8排ガス制御
弁9g,9hを介して排出され、バグフィルター11に
送られ排出される。
Further, the exhaust gas burned in the first heating burner 2A is introduced into the third and fourth heat storage bodies 3C and 3D via the second heating burner 2B, and the third and fourth heat storage bodies 3C and 3C.
The heat storage medium 3a of D is heated and then discharged. That is, the exhaust gas of the first heating burner 2A is
The third and third connected to the combustion air port of the second heating burner 2B
From the fourth communication pipe 8C, 8D to the third and fourth heat storage body switching valve 8
It is introduced into the third and fourth exhaust gas introduction pipes 9A and 9D via c and 8d, and is further introduced into the third and fourth heat storage bodies 3C and 3D via the fifth and sixth exhaust gas control valves 9e and 9f. . Furthermore, the 3rd and 4th connected to the 3rd and 4th heat storage bodies 3C and 3D.
The exhaust gas is discharged from the exhaust gas discharge pipes 10C and 10D through the seventh and eighth exhaust gas control valves 9g and 9h, and is sent to the bag filter 11 and discharged.

【0014】次に、第2加熱バーナー2Bが燃焼される
場合、第2加熱バーナー2Bにも第3,第4蓄熱体3
C,3Dの蓄熱媒体3aで予熱された燃焼空気が交互に
供給されるように構成されている。すなわち、燃焼空気
は、給気ファン5Bの吐出口に接続された第2,第3空
気供給管6C,6Dから第5,第6空気切御弁6e,6
fを介して第3,第4蓄熱体3C,3Dにそれぞれ導入
された後、第3,第4蓄熱体3C,3Dに接続された第
3,第4空気送入管7C,7Dから第7,第8空気切御
弁7g,7hを介して第3,第4連通管8C,8Dに送
られ、さらに第3,第4蓄熱体切換弁8c,8dを介し
て第2加熱バーナー2Bの燃焼空気口に送られる。
Next, when the second heating burner 2B is combusted, the second heating burner 2B also has the third and fourth heat storage bodies 3
Combustion air preheated by the C and 3D heat storage media 3a is alternately supplied. That is, the combustion air is supplied from the second and third air supply pipes 6C and 6D connected to the discharge port of the air supply fan 5B to the fifth and sixth air control valves 6e and 6e.
After being introduced into the third and fourth heat storage bodies 3C and 3D via f, respectively, the third and fourth air supply pipes 7C and 7D to the seventh are connected to the third and fourth heat storage bodies 3C and 3D. , Is sent to the third and fourth communication pipes 8C, 8D via the eighth air control valves 7g, 7h, and is further burned by the second heating burner 2B via the third and fourth heat storage element switching valves 8c, 8d. Sent to the air vent.

【0015】また、第2加熱バーナー2Bで燃焼された
排ガスは、第1加熱バーナー2Aを介して第1,第2蓄
熱体3A,3Bに導入され、第1,第2蓄熱体3A,3
Bの蓄熱媒体3aを加熱した後排出するように構成され
ている。すなわち、第2加熱バーナー2Bの排ガスは、
第1加熱バーナー2Aの燃焼空気口に接続された第1,
第2連通管8A,8Bから第3,第4蓄熱体切換弁8
c,8dを介して第1,第2排ガス導入管9A,9Bに
導入される。そして蓄熱媒体3aを加熱した後、第1,
第2排ガス制御弁9a,9bを介して第1,第2蓄熱体
3A,3Bに導入される。さらに加熱後の排ガスは、第
1,第2蓄熱体3A,3Bに接続された第1,第2排ガ
ス排出管10A,10Bから第3,第4排ガス制御弁9
c,9dを介して排出され、バグフィルター11に送ら
れ排出される。
Further, the exhaust gas burned in the second heating burner 2B is introduced into the first and second heat storage bodies 3A and 3B via the first heating burner 2A, and the first and second heat storage bodies 3A and 3B.
The heat storage medium 3a of B is heated and then discharged. That is, the exhaust gas of the second heating burner 2B is
The first and the first connected to the combustion air port of the first heating burner 2A
From the second communication pipe 8A, 8B to the third and fourth heat storage body switching valve 8
It is introduced into the first and second exhaust gas introducing pipes 9A and 9B via c and 8d. Then, after heating the heat storage medium 3a, the first,
It is introduced into the first and second heat storage bodies 3A and 3B via the second exhaust gas control valves 9a and 9b. Further, the heated exhaust gas is discharged from the first and second exhaust gas discharge pipes 10A and 10B connected to the first and second heat storage bodies 3A and 3B to the third and fourth exhaust gas control valves 9 and 9, respectively.
It is discharged via c and 9d, sent to the bag filter 11 and discharged.

【0016】さらに、各第1〜第4蓄熱体3A〜3Dに
は、洗浄空気ポンプ13の吐出口に接続された第1〜第
4洗浄空気供給管14A〜14Cから第1〜第4洗浄空
気制御弁14a〜14dを介してパルスジェット(洗浄
用脈動空気)が供給され、休止時の第1〜第4蓄熱体3
A〜3D内の蓄熱媒体3aを洗浄可能に構成されてい
る。洗浄後の空気は、第1〜第4洗浄空気排出管15A
〜15Dから第5〜第8洗浄空気制御弁15a〜15d
を介してバグフィルター11に排出される。
Further, in each of the first to fourth heat storage bodies 3A to 3D, the first to fourth cleaning air supply pipes 14A to 14C connected to the discharge port of the cleaning air pump 13 are connected to the first to fourth cleaning air. A pulse jet (pulsating air for cleaning) is supplied through the control valves 14a to 14d, and the first to fourth heat storage bodies 3 at rest are in operation.
The heat storage medium 3a in A to 3D can be cleaned. The air after cleaning is the first to fourth cleaning air discharge pipes 15A.
-15D to 5th-8th wash air control valves 15a-15d
It is discharged to the bag filter 11 via the.

【0017】上記構成において、バーナー制御装置12
により、第1,第2燃料制御弁4a,4bと第1〜第8
空気制御弁6a〜6h、第1〜第8排ガス制御弁9a〜
9hが操作されて第1,第2加熱バーナー2A,2Bが
所定の起動時間ごとに交互に起動・停止される。この
時、第1〜第4蓄熱体切換弁8a〜8dが操作されて第
1,第3蓄熱体3A,3Cと第2,第4蓄熱体3B,3
Dとが一定時間毎に交互に使用され、使用中の第1,第
3蓄熱体3A,3Cまたは第2,第4蓄熱体3B,3D
は、バーナー制御装置12により、排ガスと燃焼空気が
交互に導入排出されることで、燃焼空気を炉内温度近く
の高温に予熱して燃焼させることができるる。また休止
中の第1,第3蓄熱体3A,3Cまたは第2,第4蓄熱
体3B,3Dには、第1〜第4洗浄空気制御弁14a〜
14dが操作されて洗浄空気ポンプ13からパルスジェ
ットが排ガス導入方向の反対方向に吹き込まれ、内部の
蓄熱媒体3aが洗浄される。
In the above structure, the burner controller 12
As a result, the first and second fuel control valves 4a and 4b and the first to eighth fuel control valves
Air control valves 6a to 6h, first to eighth exhaust gas control valves 9a to
9h is operated, and the first and second heating burners 2A and 2B are alternately started and stopped at predetermined start times. At this time, the 1st-4th heat storage body switching valves 8a-8d are operated, and the 1st, 3rd heat storage body 3A, 3C and the 2nd, 4th heat storage body 3B, 3 are carried out.
D and D are alternately used at regular intervals, and the first, third heat storage bodies 3A, 3C or the second, fourth heat storage bodies 3B, 3D in use
The exhaust gas and the combustion air are alternately introduced and discharged by the burner control device 12, so that the combustion air can be preheated to a high temperature near the furnace temperature and burned. Further, the first to third heat storage bodies 3A and 3C or the second and fourth heat storage bodies 3B and 3D which are at rest are provided with the first to fourth cleaning air control valves 14a to 14a.
14d is operated and a pulse jet is blown from the cleaning air pump 13 in the direction opposite to the exhaust gas introduction direction, and the internal heat storage medium 3a is cleaned.

【0018】したがって、第1,第2加熱バーナー2
A,3Bから排出される排ガスが汚染されたものであっ
ても、休止中に蓄熱媒体3aがパルスジェットで洗浄さ
れるので、蓄熱媒体3aの耐用使用期間を長くすること
ができ、運転コストを低減することができる。また、蓄
熱媒体3aの交換時に加熱炉の運転を停止する必要もな
い。
Therefore, the first and second heating burners 2
Even if the exhaust gas discharged from A and 3B is polluted, the heat storage medium 3a is washed with the pulse jet during the rest, so that the durable use period of the heat storage medium 3a can be extended and the operating cost can be reduced. It can be reduced. Further, it is not necessary to stop the operation of the heating furnace when replacing the heat storage medium 3a.

【0019】つぎに、図2に基づいて、第2実施例を説
明する。この第2実施例は、第1実施例で示した洗浄機
能付蓄熱バーナーを、休止と運転を繰り返す准連続式ご
み焼却設備のボイラーに適用したものである。なお、第
1実施例に示した部材と同一の部材には同一符号を付
し、説明は省略する。
Next, a second embodiment will be described with reference to FIG. In this second embodiment, the heat storage burner with a cleaning function shown in the first embodiment is applied to a boiler of a semi-continuous waste incineration facility that repeats suspension and operation. The same members as those shown in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

【0020】ストーカ式焼却炉本体21には、上流側に
ごみ投入ホッパー22が設けられるとともに、内部に傾
斜式火格子23を備え、火格子23の下流端には灰出口
24が形成されており、ごみピット25から第1給気フ
ァン26Aにより空気吸引管27を介して吸引された燃
焼空気を、蒸気式空気予熱器28を介してまたは直接ウ
インドボックスから火格子23および燃焼室29に供給
するように構成されている。26Bはごみピット25か
らバーナー用の燃焼空気を吸引する第2給気ファンであ
る。
The stalk-type incinerator main body 21 is provided with a dust input hopper 22 on the upstream side, an inclined grate 23 inside, and an ash outlet 24 formed at the downstream end of the grate 23. The combustion air sucked from the dust pit 25 by the first air supply fan 26A through the air suction pipe 27 is supplied to the grate 23 and the combustion chamber 29 through the steam air preheater 28 or directly from the wind box. Is configured. 26B is a second air supply fan that sucks the burner combustion air from the dust pit 25.

【0021】31は燃焼室29の上部から主排ガス導入
管32を介して排出される排ガスを導入して廃熱を回収
するボイラーで、回収後の排ガスは主排ガス排出管33
からバグフィルター34に導入されて除塵された後、主
排気ファン35により煙突36から排出される。
Reference numeral 31 is a boiler for introducing exhaust gas discharged from the upper part of the combustion chamber 29 through the main exhaust gas introduction pipe 32 to recover waste heat. The recovered exhaust gas is the main exhaust gas discharge pipe 33.
After being introduced into the bag filter 34 to remove dust, it is discharged from the chimney 36 by the main exhaust fan 35.

【0022】前記ボイラー31は、ケーシング61内に
上面開口の外ガイド筒62と下面開口の内ガイド筒63
が同一軸心位置に所定間隔を開けて配置されて迂回経路
が形成され、これら迂回経路に熱交換用水管群64が配
置されている。内ガイド筒63には、上部に主排ガス導
入管32が接続されるとともに、上端部に焼却炉休止時
に起動される蓄熱式第1加熱バーナー2Aが設置され、
ケーシング21の軸心部に垂設された下部ガイド筒65
には、主排ガス排出管33と焼却炉休止時に起動される
蓄熱式第2加熱バーナー2Bが設置されている。37
A,37Bは第1〜第4排ガス排出管10A〜10Dと
第1〜第4洗浄空気排出管15A〜15Cが接続された
ガス排出管で、それぞれ排気ファン38A,38Bが介
在され、主排ガス管33に接続されている。
The boiler 31 has a casing 61 in which an outer guide cylinder 62 having an upper surface opening and an inner guide cylinder 63 having a lower surface opening are provided.
Are arranged at the same axial center position at a predetermined interval to form detour paths, and the heat exchange water pipe group 64 is arranged on these detour paths. The main exhaust gas introduction pipe 32 is connected to the upper part of the inner guide cylinder 63, and the heat storage type first heating burner 2A which is activated when the incinerator is stopped is installed at the upper end of the inner guide cylinder 63.
A lower guide tube 65 vertically provided on the axial center of the casing 21.
A main exhaust gas discharge pipe 33 and a heat storage type second heating burner 2B which is activated when the incinerator is stopped are installed in the. 37
A and 37B are gas discharge pipes to which the first to fourth exhaust gas discharge pipes 10A to 10D and the first to fourth cleaning air discharge pipes 15A to 15C are connected, and exhaust fans 38A and 38B are interposed, respectively, and main exhaust gas pipes. It is connected to 33.

【0023】上記第1,第2加熱バーナー2A,2B
は、ごみ焼却炉の休止時に、ボイラー31の温度低下に
より生じる結露による露点腐食を防止するために、主排
ガス導入管32と主排ガス排出管33に介在された主排
ガス弁37A,37Bを閉じた後、起動されるもので、
起動状態は、第1実施例と同様であるため、説明は省略
する。
The first and second heating burners 2A, 2B
Closed the main exhaust gas valves 37A, 37B interposed between the main exhaust gas introduction pipe 32 and the main exhaust gas discharge pipe 33 in order to prevent dew point corrosion due to dew condensation caused by the temperature decrease of the boiler 31 when the refuse incinerator was stopped. It will be started later,
Since the startup state is the same as that in the first embodiment, the description will be omitted.

【0024】上記実施例によれば、休止と運転を繰り返
す准連続式ごみ焼却設備において、ごみ焼却炉の運転時
には、水を熱媒体とするボイラー31により高効率で排
ガスから廃熱回収することができ、また休止時には、第
1,第2加熱バーナー2A,2Bによりボイラー31の
温度低下を防止して、露点腐食を防止し、しかも第1〜
第4蓄熱体3A〜3Dにより、少ない燃費で第1,第2
加熱バーナー2A,2Bを起動運転できる。さらに、ご
み焼却炉の運転時に、汚染された排ガスが流送されるボ
イラー31を加熱した排ガスを使用するため、蓄熱媒体
3aのフィルタリング機能により、通常より多くの汚染
物が付着される恐れがあるが、これを休止中に蓄熱媒体
3aがパルスジェットで洗浄することができるので、蓄
熱媒体3aの耐用使用期間を長くすることができる。図
3は洗浄機能付蓄熱バーナーを、休止と運転を繰り返す
准連続式ごみ焼却設備に適用した第3実施例を示す。な
お、上記各実施例と同一部材には同一符号を付し、説明
は省略する。
According to the above-mentioned embodiment, in the quasi-continuous type refuse incinerator which repeats suspension and operation, when the refuse incinerator is operated, the waste heat can be recovered from the exhaust gas with high efficiency by the boiler 31 using water as a heat medium. In addition, at the time of rest, the first and second heating burners 2A and 2B prevent the temperature of the boiler 31 from lowering to prevent dew point corrosion.
With the fourth heat storage bodies 3A to 3D, it is possible to reduce the fuel consumption by the first and second fuel consumption.
The heating burners 2A and 2B can be started up. Further, since the exhaust gas obtained by heating the boiler 31 to which the polluted exhaust gas is sent is used during the operation of the refuse incinerator, there is a possibility that a larger amount of contaminants than usual may be attached due to the filtering function of the heat storage medium 3a. However, since the heat storage medium 3a can be washed with the pulse jet during the rest, the service life of the heat storage medium 3a can be extended. FIG. 3 shows a third embodiment in which the heat storage burner with a cleaning function is applied to a quasi-continuous waste incinerator which repeats suspension and operation. The same members as those in each of the above-described embodiments are designated by the same reference numerals, and the description thereof will be omitted.

【0025】この第3実施例は、炉またはボイラーに対
して一対の加熱バーナーを交互に起動・停止させたのに
対して、加熱バーナーは1基で、この加熱バーナーに接
続された燃焼空気経路上に一対2組の蓄熱体を交互に切
り換えて、排ガスおよび燃焼空気を通過させ、燃焼空気
を予熱するとともに、使用していない蓄熱体にパルスジ
ェット(洗浄用脈動空気)を供給して蓄熱体の洗浄を行
うように構成されている。
In the third embodiment, a pair of heating burners are alternately started and stopped with respect to the furnace or the boiler, whereas one heating burner is provided and the combustion air path connected to this heating burner is used. The heat storage bodies are switched by alternately switching one to two sets of heat storage bodies to pass the exhaust gas and the combustion air to preheat the combustion air and to supply a pulse jet (pulsing air for cleaning) to the heat storage bodies not in use. Is configured to perform cleaning.

【0026】すなわち、ごみ焼却炉の炉本体41内の排
ガス経路に、廃熱回収用の水管群を備えたボイラー42
が配置されており、ボイラー42から排出される排ガス
は、排ガス管43からバグフィルター34に導入されて
除塵された後、主排気ファン35により煙突36から大
気中に排出される。また、炉本体41の灰出口24の上
部後壁に、ごみ焼却炉の休止時に起動されてボイラー4
2を加熱する加熱バーナー40が設置され、この加熱バ
ーナー40への燃焼空気供給経路に洗浄機能付の蓄熱式
空気予熱装置44が付設されている。
That is, the boiler 42 having a water pipe group for waste heat recovery in the exhaust gas passage in the furnace body 41 of the refuse incinerator.
The exhaust gas discharged from the boiler 42 is introduced from the exhaust gas pipe 43 into the bag filter 34 to remove dust, and then discharged from the chimney 36 into the atmosphere by the main exhaust fan 35. Further, on the upper rear wall of the ash outlet 24 of the furnace body 41, the boiler 4 is activated when the refuse incinerator is stopped.
A heating burner 40 for heating 2 is installed, and a regenerative air preheating device 44 with a cleaning function is attached to a combustion air supply path to the heating burner 40.

【0027】この空気予熱器44は、一対2組の第1,
第2蓄熱体45A,45Bと第3,第4蓄熱体45C,
45Dがそれぞれ配置され、排ガス管43から排出され
る排ガスにより加熱される。すなわち、排ガス管43の
上流側から第1,第2排ガス導入ファン46A,46B
が介装された第1,第2排ガス導入管47A,47Bを
介して分岐され、第1〜第4排ガス制御弁48a〜48
dを介して第1〜第4蓄熱体45A〜45Dに送られ
る。そして、第1〜第4蓄熱体45A〜45D内に収容
された蓄熱媒体を通過して加熱した後、排ガスは、第5
〜第8排ガス制御弁48e〜48hを介して排ガス排出
管49から排ガス管43の下流側に戻され。
The air preheater 44 is composed of a pair of first and second sets.
The second heat storage bodies 45A, 45B and the third and fourth heat storage bodies 45C,
45D are arranged respectively and heated by the exhaust gas discharged from the exhaust gas pipe 43. That is, from the upstream side of the exhaust gas pipe 43, the first and second exhaust gas introducing fans 46A, 46B
Are branched through the first and second exhaust gas introduction pipes 47A and 47B in which the first to fourth exhaust gas control valves 48a to 48 are provided.
It is sent to the 1st-4th heat storage bodies 45A-45D via d. And after passing through the heat storage medium accommodated in the 1st-4th heat storage bodies 45A-45D and heating, an exhaust gas is 5th.
~ Returned from the exhaust gas discharge pipe 49 to the downstream side of the exhaust gas pipe 43 via the eighth exhaust gas control valves 48e to 48h.

【0028】一方、ごみピット5から第2給気ファン2
6Bにより吸引された燃焼空気は、主空気供給管50か
ら分岐され第1〜第4空気制御弁51a〜51dを介し
て第1〜第4蓄熱体45A〜45Dに送られる。そして
第1〜第4蓄熱体45A〜45D内に収容された蓄熱媒
体を通過して予熱された後、燃焼空気は、第5〜第8空
気制御弁51e〜51hを介して空気送入管52A,5
2Bに排出され、第1,第2空気送入管52A,52B
に介在された第1,第2空気切換弁53a,53bを介
して加熱バーナー40に供給されるように構成されてい
る。
On the other hand, from the dust pit 5 to the second air supply fan 2
The combustion air sucked by 6B is branched from the main air supply pipe 50 and sent to the first to fourth heat storage bodies 45A to 45D via the first to fourth air control valves 51a to 51d. And after passing through the heat storage medium accommodated in the 1st-4th heat storage bodies 45A-45D and being preheated, combustion air is 52A of air inlet pipes through the 5th-8th air control valves 51e-51h. , 5
2B, the first and second air inlet pipes 52A, 52B
It is configured to be supplied to the heating burner 40 via the first and second air switching valves 53a and 53b interposed in the.

【0029】さらに、第1〜第4蓄熱体45A〜45D
には、洗浄空気ポンプ13の吐出口に接続された第1〜
第4洗浄空気供給管14A〜14Cから第1〜第4洗浄
空気制御弁14a〜14dを介してパルスジェット(洗
浄用脈動空気)が供給され、第1〜第4蓄熱体45A〜
45D内の蓄熱媒体を洗浄可能に構成されている。洗浄
後の空気は、第5〜第8洗浄空気制御弁15e〜15h
を介して第1〜第4洗浄空気排出管15A〜15Dおよ
び排ガス排出管49から排ガス管43に排出される。
Further, the first to fourth heat storage bodies 45A to 45D
The first to the first connected to the discharge port of the cleaning air pump 13
A pulse jet (pulsating air for cleaning) is supplied from the fourth cleaning air supply pipes 14A to 14C through the first to fourth cleaning air control valves 14a to 14d, and the first to fourth heat storage bodies 45A to 45A.
The heat storage medium in 45D can be cleaned. The air after cleaning is the fifth to eighth cleaning air control valves 15e to 15h.
Through the first to fourth cleaning air exhaust pipes 15A to 15D and the exhaust gas exhaust pipe 49 to the exhaust gas pipe 43.

【0030】第1,第2蓄熱体45A,45Bと第3,
第4蓄熱体45C,45Dは、第1,第2実施例と同一
構成で、蓄熱媒体の種類や容量に応じて、バーナー制御
装置54により、第1〜第8排ガス制御弁48a〜48
dおよび第1〜第8空気制御弁51a〜51hならびに
第1,第2空気切換弁53a,53bが操作されて一定
時間ごとに切り換えられて加熱バーナー40に燃焼空気
が供給される。また、各組の第1蓄熱体45Aと第2蓄
熱体45B、または第3蓄熱体45Cと第4蓄熱体4D
も一定の使用時間毎に切り換えられ、第1〜第8洗浄空
気制御弁14a〜14hが操作されて交代で洗浄され
る。
The first and second heat storage bodies 45A and 45B and the third and third heat storage bodies 45A and 45B
The fourth heat storage bodies 45C and 45D have the same configuration as the first and second embodiments, and the burner control device 54 controls the first to eighth exhaust gas control valves 48a to 48 according to the type and capacity of the heat storage medium.
Combustion air is supplied to the heating burner 40 by operating d, the first to eighth air control valves 51a to 51h, and the first and second air switching valves 53a and 53b to be switched at regular intervals. Further, the first heat storage body 45A and the second heat storage body 45B of each set, or the third heat storage body 45C and the fourth heat storage body 4D of each set.
Is also switched at regular intervals of use, and the first to eighth cleaning air control valves 14a to 14h are operated to perform cleaning alternately.

【0031】上記実施例によれば、第2実施例と同様の
効果を奏することができる。
According to the above embodiment, the same effect as that of the second embodiment can be obtained.

【0032】なお、上記第1実施例では、洗浄機能付蓄
熱式バーナーを備えた加熱炉について説明したが、ごみ
焼却炉から排出される焼却灰の溶融炉でもよく、この灰
溶融炉を第3実施例のように構成することもできる。
In the first embodiment, the heating furnace equipped with the heat storage type burner with a cleaning function has been described, but a melting furnace for incinerated ash discharged from the refuse incinerator may be used. It can also be configured as in the embodiment.

【0033】[0033]

【発明の効果】以上に述べたごとく本発明によれば、休
止中の蓄熱体に吹き込まれる洗浄用脈動空気により、フ
ィルタリングにより排ガスから除去されて表面に付着し
た汚染物を剥離除去して洗浄することができるので、蓄
熱体の機能が低下を防止して耐用使用期間を延長し、運
転コストを低減できるとともに、稼働時間を長くするこ
とができ、炉の運転中であっても蓄熱体の交換作業を行
うことができる。
As described above, according to the present invention, the pulsating air for cleaning which is blown into the heat storage body at rest removes and removes the contaminants removed from the exhaust gas by filtering and adhering to the surface for cleaning. As a result, the function of the heat storage body can be prevented from deteriorating and the service life can be extended, the operating cost can be reduced, and the operating time can be extended, so that the heat storage body can be replaced even during the operation of the furnace. You can do the work.

【0034】また上記ごみ焼却設備では、ごみ焼却炉の
運転中は、ごみ焼却炉の休止中は加熱バーナーにより、
ボイラーを加熱して排ガス中の有害物質の結露による露
点腐食を防止することができる。また、蓄熱式の加熱バ
ーナーまたは蓄熱式の空気予熱器により、加熱バーナー
の排ガスを有効利用して燃焼空気をボイラー内温度近く
まで加熱することができるので、加熱バーナーの燃料消
費量を約半分近くまで節減することができ、運転コスト
を大幅に低減することができる。さらに、排ガスから除
去されて表面に付着した汚染物を剥離除去して洗浄する
ことができるので、蓄熱体の機能が低下を防止して耐用
使用期間を延長することができる。
In the above refuse incinerator, a heating burner is used during operation of the refuse incinerator and while the refuse incinerator is stopped.
The boiler can be heated to prevent dew point corrosion due to dew condensation of harmful substances in the exhaust gas. In addition, the heat storage type heating burner or the heat storage type air preheater can effectively use the exhaust gas of the heating burner to heat the combustion air up to the temperature inside the boiler, so the fuel consumption of the heating burner is nearly half. The operating cost can be significantly reduced. Furthermore, since the contaminants removed from the exhaust gas and adhered to the surface can be removed by stripping and cleaned, the function of the heat storage body can be prevented from deteriorating and the service life period can be extended.

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

【図1】本発明に係る第1実施例を示す加熱炉の構成図
である。
FIG. 1 is a configuration diagram of a heating furnace showing a first embodiment according to the present invention.

【図2】本発明に係る第2実施例を示すごみ焼却設備の
構成図である。
FIG. 2 is a configuration diagram of a refuse incineration facility showing a second embodiment according to the present invention.

【図3】本発明に係る第3実施例を示すごみ焼却設備の
構成図である。
FIG. 3 is a block diagram of a refuse incineration facility showing a third embodiment according to the present invention.

【符号の説明】[Explanation of symbols]

1 炉本体 2A 第1加熱バーナー(バーナー) 2B 第2加熱バーナー(バーナー) 3A〜3B 第1〜第4蓄熱体 4A 第1燃料供給管 4B 第2燃料供給管 6A〜6D 第1〜第4空気供給管 6a〜6h 第1〜第8空気制御弁 7A〜7D 第1〜第4空気送入管 8A〜8D 第1〜第4連通管 8a〜6d 第1〜第4蓄熱体切換弁 9A〜9D 第1〜第4排ガス導入管 9a〜9h 第1〜第8排ガス制御弁 10A〜10D 第1〜第4排ガス排出管 12 バーナー制御装置 13 洗浄空気ポンプ 14A〜14B 第1〜第4洗浄空気供給管 14a〜14d 洗浄空気制御弁 15A〜15D 第1〜第4洗浄空気排出管 15a〜15d 洗浄空気制御弁 21 炉本体 31 ボイラー 32 主排ガス導管 33 主排ガス排出管 64 水管群 37A ガス排出管 37B ガス排出管 40 加熱バーナー 41 炉本体 42 ボイラー 43 排ガス管 44 空気予熱装置 45A〜45D 第1〜第4蓄熱体 47A,47B 第1,第2排ガス導入管 48a〜48h 第1〜第8排ガス制御弁 49 排ガス排出管 50 主空気供給管 51a〜51h 第1〜第8空気制御弁 52A,52B 第1,第2空気送入管 53a,53b 第1,第2空気切換弁 1 Furnace Main Body 2A First Heating Burner (Burner) 2B Second Heating Burner (Burner) 3A to 3B First to Fourth Heat Storage Body 4A First Fuel Supply Pipe 4B Second Fuel Supply Pipe 6A to 6D First to Fourth Air Supply pipes 6a to 6h First to eighth air control valves 7A to 7D First to fourth air inlet pipes 8A to 8D First to fourth communication pipes 8a to 6d First to fourth heat storage body switching valves 9A to 9D First to fourth exhaust gas introduction pipes 9a to 9h First to eighth exhaust gas control valves 10A to 10D First to fourth exhaust gas discharge pipes 12 Burner control device 13 Cleaning air pumps 14A to 14B First to fourth cleaning air supply pipes 14a to 14d Cleaning air control valve 15A to 15D First to fourth cleaning air discharge pipes 15a to 15d Cleaning air control valve 21 Furnace body 31 Boiler 32 Main exhaust gas conduit 33 Main exhaust gas discharge pipe 64 Water pipe group 37A Gas discharge 37B Gas discharge pipe 40 Heating burner 41 Furnace main body 42 Boiler 43 Exhaust gas pipe 44 Air preheating device 45A to 45D First to fourth heat storage bodies 47A, 47B First and second exhaust gas introduction pipes 48a to 48h First to eighth exhaust gas control Valve 49 Exhaust gas discharge pipe 50 Main air supply pipe 51a-51h 1st-8th air control valve 52A, 52B 1st, 2nd air inlet pipe 53a, 53b 1st, 2nd air switching valve

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】炉本体に少なくとも一対のバーナーを具備
し、 各バーナーにそれぞれ2個の蓄熱体を配設し、 各バーナーの燃焼空気口と各蓄熱体とを連通するととも
に、 各蓄熱体に排ガス管と空気供給管と洗浄空気管とをそれ
ぞれ接続し、 前記洗浄空気管の上流端に洗浄用脈動空気を供給可能な
洗浄空気ポンプを配置し、 起動側のバーナーに一方の蓄熱体を介して燃焼空気を供
給するとともに、停止側のバーナーの燃焼空気口から排
ガスを一方の蓄熱体を介して排出させ、これを両バーナ
ーで一定時間毎に交互に繰り返して起動・停止を行い、
かつ各バーナーの他方の蓄熱体に洗浄空気ポンプから洗
浄空気を供給し、さらに所定時間経過後に一方の蓄熱体
と他方の蓄熱体を切り換えるバーナー制御装置を設けた
ことを特徴とする洗浄機能付蓄熱式バーナーを備えた
炉。
1. A furnace main body having at least a pair of burners, each burner having two heat storage bodies, each of which is connected to a combustion air port of each burner and each heat storage body. An exhaust gas pipe, an air supply pipe, and a cleaning air pipe are connected to each other, and a cleaning air pump capable of supplying pulsating air for cleaning is arranged at the upstream end of the cleaning air pipe, and one burner on the starting side is connected via one heat storage body. In addition to supplying combustion air, exhaust gas is discharged from the combustion air port of the burner on the stop side through one of the heat storage bodies, and both burners repeatedly start and stop at regular intervals,
A heat storage device with a cleaning function characterized in that a cleaning air pump is supplied to the other heat storage member of each burner from a cleaning air pump, and a burner control device is provided for switching between the one heat storage member and the other heat storage member after a lapse of a predetermined time. Furnace with self-heating burner.
【請求項2】ごみ焼却炉の排ガス経路中に水管群を備え
たボイラーを配設し、 このボイラーに少なくとも一対の加熱バーナーを具備
し、 各加熱バーナーにそれぞれ2個の蓄熱体を配設し、 各加熱バーナーの燃焼空気口と各蓄熱体とを連通すると
ともに、 各蓄熱体に排ガス管と空気供給管と洗浄空気管とをそれ
ぞれ接続し、 前記洗浄空気管の上流端に洗浄用脈動空気を供給可能な
洗浄空気ポンプを配置し、 ごみ焼却炉の休止中に、起動側の加熱バーナーに一方の
蓄熱体を介して燃焼空気を供給するとともに、停止側の
加熱バーナーの燃焼空気口から排ガスを一方の蓄熱体を
介して排出させ、これを両加熱バーナーで一定時間毎に
交互に繰り返して起動・停止を行い、かつ各加熱バーナ
ーの他方の蓄熱体に洗浄空気ポンプから洗浄用脈動空気
を供給し、さらに所定時間経過後に一方の蓄熱体と他方
の蓄熱体を切り換える加熱バーナー制御装置を設けたこ
とを特徴とする洗浄機能付蓄熱式バーナーを備えたごみ
焼却設備。
2. A boiler equipped with a water tube group is provided in the exhaust gas passage of a refuse incinerator, and at least one pair of heating burners is provided in this boiler, and each heating burner is provided with two heat storage bodies. , The combustion air port of each heating burner is communicated with each heat storage body, and each heat storage body is connected with an exhaust gas pipe, an air supply pipe, and a cleaning air pipe, and the cleaning air pulsating air is provided at the upstream end of the cleaning air pipe. A cleaning air pump that can supply the combustion air is installed to supply combustion air to the heating burner on the startup side via one heat storage body while the waste incinerator is at rest, and exhaust gas from the combustion air port of the heating burner on the stop side. Is discharged through one of the heat storage bodies, and these heating burners are alternately repeated at regular intervals to start and stop, and the other heat storage body of each heating burner is washed with pulsating air from the cleaning air pump. Supply and further a predetermined time has elapsed after one regenerator and the other waste incineration facilities equipped with a regenerative burner with cleaning function, characterized in that a heating burner control unit for switching the regenerator.
【請求項3】ごみ焼却炉の排ガス経路に水管群を備えた
ボイラーを配設し、 このボイラーの上流側に加熱バーナーを設け、 この加熱バーナーに少なくとも一対2組の蓄熱体を配置
し、 前記各蓄熱体に、排ガス管と燃焼空気供給管と洗浄空気
管とをそれぞれ接続し、 前記洗浄空気管の上流端に洗浄用脈動空気を供給可能な
洗浄空気ポンプを配置し、 ごみ焼却炉の休止中に、2組の蓄熱体を交互に切り換え
て、使用する組の蓄熱体の一方に排ガスを導入して加熱
し、他方の組の蓄熱体に燃焼空気を通過させて予熱する
とともに、これを交互に切り換え、さらに各組の残りの
蓄熱体にそれぞれ洗浄用脈動空気を供給するバーナー制
御装置を設けたことを特徴とする洗浄機能付蓄熱式バー
ナーを備えたごみ焼却設備。
3. A boiler having a water pipe group is arranged in an exhaust gas passage of a refuse incinerator, a heating burner is provided on an upstream side of the boiler, and at least one pair of heat storage bodies are arranged in the heating burner, An exhaust gas pipe, a combustion air supply pipe, and a cleaning air pipe are connected to each heat storage body, and a cleaning air pump capable of supplying pulsating air for cleaning is arranged at the upstream end of the cleaning air pipe to suspend the refuse incinerator. Inside, the two sets of heat storage bodies are switched alternately, the exhaust gas is introduced into one of the heat storage bodies of the set to be used for heating, and the combustion air is passed through the heat storage body of the other set to preheat the heat storage body. A refuse incinerator equipped with a heat storage type burner with a cleaning function, which is provided with a burner control device that is switched alternately and that supplies pulsating air for cleaning to the remaining heat storage bodies of each set.
JP6205845A 1994-08-31 1994-08-31 Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment Pending JPH0868530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6205845A JPH0868530A (en) 1994-08-31 1994-08-31 Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6205845A JPH0868530A (en) 1994-08-31 1994-08-31 Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment

Publications (1)

Publication Number Publication Date
JPH0868530A true JPH0868530A (en) 1996-03-12

Family

ID=16513670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6205845A Pending JPH0868530A (en) 1994-08-31 1994-08-31 Furnace equipped with regenerative type burner with cleaning function and refuse incinerating equipment

Country Status (1)

Country Link
JP (1) JPH0868530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1812752A1 (en) * 2004-11-04 2007-08-01 Novelis Inc. Apparatus and method for cleaning regenerative-burner media bed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1812752A1 (en) * 2004-11-04 2007-08-01 Novelis Inc. Apparatus and method for cleaning regenerative-burner media bed
JP2008519230A (en) * 2004-11-04 2008-06-05 ノベリス・インコーポレイテッド Apparatus and method for cleaning a media bed of a regenerative burner
JP4903713B2 (en) * 2004-11-04 2012-03-28 ノベリス・インコーポレイテッド Apparatus and method for cleaning a media bed of a regenerative burner
KR101299887B1 (en) * 2004-11-04 2013-08-23 노벨리스 인코퍼레이티드 Apparatus and method for cleaning regenerative-burner media bed
US9033700B2 (en) 2004-11-04 2015-05-19 Novelis Inc. Apparatus and method for cleaning regenerative-burner media bed
EP1812752B1 (en) * 2004-11-04 2016-04-20 Novelis, Inc. Apparatus and method for cleaning regenerative-burner media bed

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