JPH0262775B2 - - Google Patents
Info
- Publication number
- JPH0262775B2 JPH0262775B2 JP61093937A JP9393786A JPH0262775B2 JP H0262775 B2 JPH0262775 B2 JP H0262775B2 JP 61093937 A JP61093937 A JP 61093937A JP 9393786 A JP9393786 A JP 9393786A JP H0262775 B2 JPH0262775 B2 JP H0262775B2
- Authority
- JP
- Japan
- Prior art keywords
- fermentation
- air
- incinerator
- waste
- garbage
- 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 - Lifetime
Links
- 238000000855 fermentation Methods 0.000 claims description 51
- 230000004151 fermentation Effects 0.000 claims description 51
- 239000010813 municipal solid waste Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 13
- 239000010794 food waste Substances 0.000 claims description 13
- 239000010849 combustible waste Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004056 waste incineration Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 19
- 239000002699 waste material Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000019645 odor Nutrition 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010850 non-combustible waste Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- -1 methylcaptan Chemical compound 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、一般廃棄物の可燃性ごみの処理にお
いて、焼却しにくい生ごみを発酵乾燥処理し、他
のものは焼却する方式をとり、焼却による廃熱を
発酵乾燥に利用して、発酵乾燥を助長させ、さら
に発酵槽より発生する発酵ガスを焼却炉において
高温脱臭させるごみの焼却装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention employs a method of fermenting and drying raw garbage that is difficult to incinerate and incinerating other garbage in the treatment of combustible general waste. This invention relates to a waste incineration device that utilizes waste heat for fermentation and drying to promote fermentation and drying, and further deodorizes fermentation gas generated from a fermenter at a high temperature in an incinerator.
従来技術
従来の可燃性ごみの処理装置としては、生ごみ
を含むごみを焼却炉に入れ、燃料を燃やして混合
焼却する方式がとられている。Prior Art Conventional combustible waste processing equipment employs a method in which waste including food waste is placed in an incinerator, and fuel is burned to incinerate the mixture.
また、可燃性のごみを生ごみとそうでないもの
とに分け、生ごみを発酵乾燥させ、乾燥したごみ
を焼却炉で焼却するという方式もとられている。 Another method is to separate combustible waste into food waste and non-combustible waste, ferment and dry the food waste, and then incinerate the dried waste in an incinerator.
発明が解決しようとする問題点
しかしながら、従来の混合焼却する方式におけ
るごみ処理装置では、生ごみに含まれる過剰水分
により、炉温が低下すると共に焼却排気ガスが臭
くなるといつた不都合や、炉温の低下を防ぐため
に重油等の燃料を用いて焼却するため燃料費がか
さむといつた不都合があつた。Problems to be Solved by the Invention However, in conventional mixed incineration type waste disposal equipment, the furnace temperature drops and the incineration exhaust gas becomes smelly due to excess moisture contained in the garbage. In order to prevent the deterioration of carbon dioxide, fuel such as heavy oil is used for incineration, which has the disadvantage of increasing fuel costs.
さらにごみを振り分け、生ごみを発酵乾燥する
方式では、当初生ごみが過剰の水分を含んでいる
ので、過剰水分時に発酵速度が低下し、発酵槽よ
り排出される発酵ガスのために脱臭装置を装着す
る必要があつたり、低温時にも同様に発酵速度が
低下するといつた不都合があつた。 In addition, in the method of sorting the garbage and fermenting and drying the garbage, the garbage initially contains excess moisture, so the fermentation rate slows down when there is excess moisture, and a deodorizing device is required to remove the fermentation gas discharged from the fermenter. There were inconveniences such as the need to wear the device and the fermentation rate also slowed down at low temperatures.
そこで本発明は、かかる従来技術の欠点に鑑
み、生ごみの発酵処理に際して、熱焼却で発生し
た熱エネルギーで発酵槽内の生ごみを乾燥させる
と共に、発酵槽で発生する発酵ガスを焼却炉で高
温脱臭させることを目的とする。 In view of the drawbacks of the prior art, the present invention aims to dry the food waste in the fermenter using thermal energy generated by thermal incineration when fermenting food waste, and to use the incinerator to remove the fermentation gas generated in the fermenter. The purpose is to deodorize at high temperatures.
問題を解決するための手段
すなわち本発明は、可燃性ごみの焼却炉と、該
焼却炉の煙道部等に装着された熱交換ジヤケツト
と、熱交換ジヤケツトと送気管を介して接続され
た生ごみ発酵乾燥機と、前記熱交換ジヤケツトに
接続された生ごみ発酵乾燥機に空気を供給する発
酵乾燥用送風機と、前記送気管に装着された温度
検知手段と、該温度検知手段の検知温度に基づき
送気管に空気を送る発酵乾燥用送風機の送風量を
制御する制御手段とからなり、前記生ごみ発酵乾
燥機と可燃性ごみ焼却炉とが発酵ガスを熱分解さ
せるために排気用送風機を介して送気管で接続さ
れたごみ焼却及び発酵装置により本目的を達成す
る。Means for Solving the Problem That is, the present invention provides an incinerator for combustible waste, a heat exchange jacket attached to the flue section of the incinerator, and a heat exchange jacket connected to the heat exchange jacket via an air pipe. a waste fermentation dryer, a fermentation drying blower that supplies air to the garbage fermentation dryer connected to the heat exchange jacket, a temperature detection means attached to the air pipe, and a temperature detected by the temperature detection means. and a control means for controlling the amount of air blown by a fermentation drying blower that sends air to the air pipe based on the exhaust gas, and the garbage fermentation dryer and the combustible waste incinerator are connected to each other via the exhaust blower in order to thermally decompose the fermented gas. This objective will be achieved by a waste incineration and fermentation device connected by an air pipe.
作 用
本発明にかかる装置では、先ず可燃性のごみを
生ごみとそうでないものとに分け、生ごみを発酵
乾燥機に、燃えやすいごみを焼却炉にそれぞれ入
れごみの焼却と発酵を行なう。Function The apparatus according to the present invention first separates combustible waste into food waste and non-combustible waste, and incinerates and ferments the waste by placing the food waste in a fermentation dryer and the combustible waste in an incinerator.
すると燃焼ガスにより煙道が加熱されるが、こ
の煙道より輻射される廃熱により発酵乾燥機用送
風機から送られた空気は熱交換ジヤケツトで熱交
換により加温されると共に制御手段の作用により
所定の温度にされる。所定の温度に加温された空
気は、送気管を介して発酵乾燥機へ多数送られ、
生ごみの乾燥、発酵を助長させる。 Then, the flue is heated by the combustion gas, and the waste heat radiated from the flue causes the air sent from the blower for the fermentation dryer to be heated by heat exchange in the heat exchange jacket and heated by the action of the control means. brought to a predetermined temperature. Air heated to a predetermined temperature is sent to fermentation dryers via air pipes,
Promotes drying and fermentation of garbage.
発酵等で発生した臭気ガスは、空気と共に排気
管を通して排気用送風機により、焼却炉へ送られ
そこで高温で加熱分解される。 Odor gases generated during fermentation and the like are sent together with air through an exhaust pipe to an incinerator by an exhaust blower, where they are thermally decomposed at high temperatures.
実施例
以下に本考案を図面に示された実施例に従つて
詳細に説明する。Embodiments The present invention will be described in detail below with reference to embodiments shown in the drawings.
図において、１は可燃性のごみを焼却するため
の焼却炉であり、該焼却炉の煙道２には該煙道２
から輻射される熱を発酵乾燥用送風機４から送気
管を介して送られてくる空気と熱交換するための
熱交換ジヤケツト３が装着されている。熱交換ジ
ヤケツト３の出口部は送気管５を介して生ごみ発
酵乾燥機６と接続されている。生ごみ発酵乾燥機
６内は、底部に多数の孔があけられた送気多孔板
７が設置されており、該送気多孔板７の孔を通じ
て送気管５から送られた暖かい空気が乾燥機内に
吹き出すように構成されている。 In the figure, 1 is an incinerator for incinerating combustible garbage, and a flue 2 of the incinerator has a flue 2.
A heat exchange jacket 3 is attached to exchange heat radiated from the fermentation drying blower 4 with air sent through an air pipe. The outlet of the heat exchange jacket 3 is connected to a garbage fermentation dryer 6 via an air pipe 5. Inside the garbage fermentation dryer 6, a perforated air supply plate 7 with a large number of holes is installed at the bottom, and warm air sent from the air pipe 5 through the holes of the perforated air plate 7 is fed into the dryer. It is structured so that it blows out.
生ごみは、送気多孔板７の上に載置されるよう
になつている。発酵乾燥機６の上方には、発酵ガ
スの排気口８があり、該排気口８は発酵ガス排気
管９ａ（送気管）を介して排気用送風機１０と連
通している。 The garbage is placed on an air supply porous plate 7. There is a fermentation gas exhaust port 8 above the fermentation dryer 6, and the exhaust port 8 communicates with an exhaust blower 10 via a fermentation gas exhaust pipe 9a (air pipe).
さらに該排気用送風機１０は送気管９ｂを介し
て焼却炉１の焼却炉導風孔１１に発酵排気ガスを
送風するように構成されている。 Further, the exhaust blower 10 is configured to blow fermentation exhaust gas to the incinerator air guide hole 11 of the incinerator 1 via the air pipe 9b.
送気管８にはサーミスタ等の温度検知手段１２
が装着されており、該温度検知手段１２の検知温
度に従つて制御手段１３が送気管５に空気を送る
発酵乾燥用送風機４の送風量制御することにより
空気を所定の温度にコントロールするように構成
されている。 The air pipe 8 is provided with temperature detection means 12 such as a thermistor.
is installed, and the control means 13 controls the air flow rate of the fermentation drying blower 4 that sends air to the air pipe 5 according to the temperature detected by the temperature detection means 12, thereby controlling the air to a predetermined temperature. It is configured.
以上述べた構成において本発明にかかる装置で
は、可燃性のごみを焼却炉１に入れて焼却を開始
すると、煙道２は、300〜500℃となる。 In the apparatus according to the present invention having the configuration described above, when combustible waste is put into the incinerator 1 and incineration is started, the temperature in the flue 2 becomes 300 to 500°C.
この煙道２の輻射熱を熱交換ジヤケツト３で発
酵乾燥用送風機４から送風されてくる空気を生ご
みの発酵を阻害しない50〜60℃の風温となるよう
に制御手段１３を用いて風量調整しながら熱交換
させる。 The radiant heat of the flue 2 is used by a heat exchange jacket 3 to adjust the air volume of the air blown from the fermentation/drying blower 4 using the control means 13 so that the air temperature is 50 to 60°C, which does not inhibit the fermentation of the garbage. while exchanging heat.
熱交換された高温空気は、槽容量当り50〜
250N／min・m3（Ｎ：０℃、1atmの標準状
態における体積をいう）の量で生ごみ発酵乾燥機
６内に送気される。 The heat exchanged high temperature air is 50~ per tank capacity.
Air is blown into the garbage fermentation dryer 6 at an amount of 250N/min·m 3 (N: volume under standard conditions of 0° C. and 1 atm).
送気された大量の温風により生ごみは乾燥する
と共に、発酵が促進される。 The large amount of warm air dries the garbage and promotes fermentation.
空気乾燥させる日数としては、３日間ぐらいで
あり、生ごみの含水率当初80〜90％のものが、３
日間で45％程度になると共に、容積も10〜20％に
まで減少する。 The number of days for air drying is about 3 days, and the moisture content of food waste that is initially 80 to 90% is about 3 days.
The amount decreases by about 45% in a day, and the volume also decreases by 10-20%.
発酵により生じる臭気としては、アンモニア、
硫化水素、メチルカプタン、硫化メチル等があげ
られる。これらの臭気ガスは、排気口８から排気
用送風機１０、送気管９ｂを介して焼却炉１へ送
風され、焼却炉１の高温により熱分解され、臭気
度２（やつと感知できるにおい）以下となる。 Odors caused by fermentation include ammonia,
Examples include hydrogen sulfide, methylcaptan, and methyl sulfide. These odorous gases are blown from the exhaust port 8 to the incinerator 1 via the exhaust blower 10 and the air pipe 9b, where they are thermally decomposed by the high temperature of the incinerator 1, and are reduced to odor level 2 (smell that can be easily detected) or lower. Become.
発酵ガスは以下に示す反応で分解され、NO2、
SO2、H2Oの気体になる。 Fermentation gas is decomposed by the reaction shown below, producing NO 2 ,
It becomes SO 2 and H 2 O gas.
2NH3＋7/2O2→2NO2＋3H2O
H2S＋3/2O2→SO2＋H2O
CH3SH＋3O2→SO2＋2H2O＋CO2
（CH3）2S＋9/2O2→SO2＋3H2O＋2CO2
またごみから発生するガスの燃焼エネルギーに
より、焼却炉で使用する燃料を従来の混合焼却す
る方式の20〜50％節約することができる。2NH 3 +7/2O 2 →2NO 2 +3H 2 O H 2 S+3/2O 2 →SO 2 +H 2 O CH 3 SH+3O 2 →SO 2 +2H 2 O+CO 2 (CH 3 ) 2 S+9/2O 2 →SO 2 +3H 2 O+2CO 2 In addition, the combustion energy of the gas generated from garbage can save 20 to 50% of the fuel used in the incinerator compared to the conventional mixed incineration method.
効 果
以上述べたように本発明にかかる装置では、焼
却炉で燃焼させた際に発生する熱を生ごみ発酵乾
燥機へ送風する空気の加熱に用い、さらに加熱さ
れた空気により生ごみ発酵乾燥機内の生ごみを乾
燥させると共に、生ごみの発酵を促進させること
ができ、生ごみの発酵に要する時間を短縮するこ
とができる。Effects As described above, in the device according to the present invention, the heat generated during combustion in the incinerator is used to heat the air sent to the garbage fermentation dryer, and the heated air is used to ferment and dry the garbage. It is possible to dry the food waste inside the machine and to promote the fermentation of the food waste, thereby shortening the time required for the fermentation of the food waste.
送風機を介して発酵乾燥機に大量で所定温度の
空気を供給することができるので、従来の発酵槽
のガスを循環できるものよりも簡単に素早く乾燥
させることができる。 Since a large amount of air at a predetermined temperature can be supplied to the fermentation dryer via the blower, drying can be performed more easily and quickly than in conventional fermenters that can circulate gas.
生ごみ発酵乾燥機内で発生した発酵ガスを焼却
炉へ導き、臭気ガスを高温で熱分解させるように
構成したので、従来のごみ焼却及び発酵装置より
も臭気度を下げることができる。 Since the fermentation gas generated in the garbage fermentation dryer is guided to the incinerator and the odor gas is thermally decomposed at high temperature, the degree of odor can be lowered than in conventional garbage incineration and fermentation equipment.
さらに発酵ガスの燃焼によるエネルギーを可燃
性ごみの焼却に用いることができるので、焼却炉
に使用する燃料を節約することができる。 Furthermore, since the energy from combustion of the fermentation gas can be used to incinerate combustible waste, fuel used in the incinerator can be saved.
図面は本発明にかかる装置の一実施例を示す概
略図である。
１……焼却炉、２……煙道、３……煙道用熱交
換ジヤケツト、４……発酵乾燥機用送風機、５，
９ｂ……送気管、６……生ごみ発酵乾燥機、７…
…送気多孔板、８……排気口、９ａ……発酵ガス
排気管、１０……排気用送風機、１１……燃焼炉
導風孔、１２……温度検知手段、１３……制御手
段。
The drawing is a schematic diagram showing an embodiment of the device according to the invention. 1... Incinerator, 2... Flue, 3... Heat exchange jacket for flue, 4... Blower for fermentation dryer, 5,
9b... Air pipe, 6... Garbage fermentation dryer, 7...
... Air supply porous plate, 8 ... Exhaust port, 9a ... Fermentation gas exhaust pipe, 10 ... Exhaust blower, 11 ... Combustion furnace air guide hole, 12 ... Temperature detection means, 13 ... Control means.
Claims (1)
に装着された熱交換ジヤケツトと、熱交換ジヤケ
ツトと送気管を介して接続された生ごみ発酵乾燥
機と、前記熱交換ジヤケツトに接続された生ごみ
発酵乾燥機に空気を供給する発酵乾燥用送風機
と、前記送気管に装着された温度検知手段と、該
温度検知手段の検知温度に基づき送気管に空気を
送る発酵乾燥用送風機の送風量を制御する制御手
段とからなり、前記生ごみ発酵乾燥機と可燃性ご
み焼却炉とが発酵ガスを熱分解させるために排気
用送風機を介して送気管で接続されていることを
特徴とするごみ焼却及び発酵装置。 ２ 発酵乾燥機への空気送風量が槽容量当り50〜
250N／min.・m3である特許請求の範囲第１項
記載のごみ焼却及び発酵装置。[Scope of Claims] 1. A combustible waste incinerator, a heat exchange jacket attached to the flue of the incinerator, and a food waste fermentation dryer connected to the heat exchange jacket via an air pipe. , a fermentation drying blower that supplies air to the food waste fermentation dryer connected to the heat exchange jacket; a temperature detection means attached to the air pipe; and a control means for controlling the amount of air blown by a fermentation and drying blower, and the garbage fermentation dryer and the combustible waste incinerator are connected by an air pipe via an exhaust blower in order to thermally decompose the fermented gas. A waste incineration and fermentation device characterized by: 2 The amount of air blown to the fermentation dryer is 50~ per tank capacity.
The waste incineration and fermentation device according to claim 1, which has an output of 250 N/min.・m 3 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61093937A JPS62252815A (en) | 1986-04-23 | 1986-04-23 | Garbage incineration and fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61093937A JPS62252815A (en) | 1986-04-23 | 1986-04-23 | Garbage incineration and fermentation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62252815A JPS62252815A (en) | 1987-11-04 |
| JPH0262775B2 true JPH0262775B2 (en) | 1990-12-26 |
Family
ID=14096345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61093937A Granted JPS62252815A (en) | 1986-04-23 | 1986-04-23 | Garbage incineration and fermentation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62252815A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06256616A (en) * | 1993-03-09 | 1994-09-13 | Shin Etsu Chem Co Ltd | Polyvinyl alcohol hydrogel excellent in stability and its preparation |
| JPH06276849A (en) * | 1993-03-30 | 1994-10-04 | Kubota Corp | Grain storage part of combine harvester |
| JPH0788460A (en) * | 1993-07-30 | 1995-04-04 | Oaks:Kk | Raw refuse treatment device |
| JPH0739978U (en) * | 1993-12-27 | 1995-07-18 | 三友工業株式会社 | Fermenter |
| JPH07237986A (en) * | 1994-02-25 | 1995-09-12 | Chiyoko Tatsuno | Apparatus for culturing and decomposing organic substance |
| JPH10273373A (en) * | 1997-03-28 | 1998-10-13 | Katsuhiko Nagaoka | Acceleration of fermentation of excretion |
| JP3252388B2 (en) * | 1997-05-01 | 2002-02-04 | 株式会社キーアンドクラフト | Waste treatment equipment |
| JP2002174412A (en) * | 2000-12-08 | 2002-06-21 | Takuma Co Ltd | Method of incinerating organic waste |
| JP3681724B2 (en) * | 2002-12-26 | 2005-08-10 | キヨモトバイオ株式会社 | Recycling method of organic waste |
| CN106369608B (en) * | 2016-10-12 | 2019-07-30 | 贵州乡村水电新能源开发有限公司 | Energy saving and environmental protection garbage burns case |
| JP6848609B2 (en) * | 2017-03-30 | 2021-03-24 | 宇部興産株式会社 | Dry organic sludge production method, dry organic sludge production equipment, cement clinker production method and cement production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56127109A (en) * | 1980-03-11 | 1981-10-05 | Ebara Corp | Combined method and apparatus for treating solid waste and sewage |
| JPS5995881A (en) * | 1982-11-22 | 1984-06-02 | Kubota Ltd | Aeration of fermentation tank |
| JPS6019490A (en) * | 1983-07-15 | 1985-01-31 | Kubota Ltd | Aeration of fermentation tank |
-
1986
- 1986-04-23 JP JP61093937A patent/JPS62252815A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56127109A (en) * | 1980-03-11 | 1981-10-05 | Ebara Corp | Combined method and apparatus for treating solid waste and sewage |
| JPS5995881A (en) * | 1982-11-22 | 1984-06-02 | Kubota Ltd | Aeration of fermentation tank |
| JPS6019490A (en) * | 1983-07-15 | 1985-01-31 | Kubota Ltd | Aeration of fermentation tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62252815A (en) | 1987-11-04 |
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