JPH11200882A - Sludge power generation equipment - Google Patents
Sludge power generation equipmentInfo
- Publication number
- JPH11200882A JPH11200882A JP7798A JP7798A JPH11200882A JP H11200882 A JPH11200882 A JP H11200882A JP 7798 A JP7798 A JP 7798A JP 7798 A JP7798 A JP 7798A JP H11200882 A JPH11200882 A JP H11200882A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- combustion furnace
- fuel
- combustion
- turbine
- 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
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 238000010248 power generation Methods 0.000 title claims description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 55
- 239000000446 fuel Substances 0.000 claims abstract description 27
- 239000000567 combustion gas Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000010849 combustible waste Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 8
- 238000001704 evaporation Methods 0.000 abstract description 6
- 239000010801 sewage sludge Substances 0.000 abstract description 4
- 101100326341 Drosophila melanogaster brun gene Proteins 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000004449 solid propellant Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 208000016791 bilateral striopallidodentate calcinosis Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003473 refuse derived fuel Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、可燃ゴミ等の低品
位燃料と含水率の高い汚泥から高出力・高効率の発電が
可能な汚泥発電設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sludge power generation facility capable of generating high-output and high-efficiency power from low-grade fuel such as combustible waste and sludge having a high moisture content.
【０００２】[0002]
【従来の技術】地球環境の保全・改善が世界的に叫ばれ
ており、我が国においても環境への負荷が少なく持続的
な発展が可能な循環型経済社会への転換が目指されてい
る。これまでゴミの大半を占める可燃ゴミは、そのまま
焼却処理するか、若しくは、水分を蒸発してＲＤＦと呼
称される固形燃料に変換してボイラ等の燃料として使用
されてきた。ここでＲＤＦとは、Refuse Derived Fuel
（ゴミ原料燃料）の意味であり、可燃ゴミを破砕，選
別，成形，乾燥することにより、得られるペレット状の
高カロリー固形燃料である。また、水分を多量に含む下
水汚泥は、濃縮，脱水，乾燥及び焼却などの工程（脱水
焼却処理）により処理して固形分を廃棄していた。2. Description of the Related Art Conservation and improvement of the global environment has been called out worldwide, and even in Japan, a shift to a recycling-oriented economy and society that can achieve sustainable development with little burden on the environment is being aimed at. Until now, combustible refuse, which accounts for most of the refuse, has been incinerated as it is or converted to solid fuel called RDF by evaporating water and used as fuel for boilers and the like. Here, RDF stands for Refuse Derived Fuel
It is a meaning of (garbage raw material fuel) and is a pellet-like high calorie solid fuel obtained by crushing, sorting, molding and drying combustible waste. Further, sewage sludge containing a large amount of water has been treated by processes such as concentration, dehydration, drying and incineration (dehydration incineration treatment) to discard solids.
【０００３】一方、ガスタービンを用いた高効率発電シ
ステムとして、発明者の名前からチエン・サイクルと呼
ばれる、特公昭５４−３４８６５号の「二作動流体ヒー
トエンジン」が知られている。かかる二流体サイクルガ
スタービンは、図３に例示するように、絞り弁５１、コ
ンプレッサー５２、燃焼室５３、水処理装置５４、ポン
プ５５、熱交換器５６、タービン５７，５８、コンデン
サー５９、等から構成され、大気中から吸入した空気を
コンプレッサー５２で圧縮して燃焼室５３に供給し、こ
の圧縮空気で燃料を燃焼させて高温の燃焼ガスを発生
し、この燃焼ガスによりタービン５７，５８を駆動して
コンプレッサー５４及び負荷を駆動し、更にタービンを
出た燃焼ガスにより熱交換器５６で水蒸気を発生させ、
コンデンサー５９で水分を回収して大気中に放出するよ
うになっている。かかるチエン・サイクルは、燃焼室５
３に熱交換器５６で発生した水蒸気Ｓを噴射するためタ
ービンに流入する燃焼ガスの流量が増大し、かつ燃焼ガ
スの比熱が増大することからタービンの出力と熱効率を
高めることができる特徴を有している。[0003] On the other hand, as a high-efficiency power generation system using a gas turbine, a "two-working fluid heat engine" of Japanese Patent Publication No. 54-34865, which is called the "Chien cycle" by the inventor's name, is known. As illustrated in FIG. 3, such a two-fluid cycle gas turbine includes a throttle valve 51, a compressor 52, a combustion chamber 53, a water treatment device 54, a pump 55, a heat exchanger 56, turbines 57 and 58, a condenser 59, and the like. The compressor 52 compresses air sucked from the atmosphere and supplies the compressed air to a combustion chamber 53. The compressed air burns fuel to generate high-temperature combustion gas, which drives the turbines 57 and 58. To drive the compressor 54 and the load, and further generate steam in the heat exchanger 56 with the combustion gas exiting the turbine,
Moisture is collected by the condenser 59 and released into the atmosphere. Such a chain cycle comprises the combustion chamber 5
3 is characterized in that the steam S generated in the heat exchanger 56 is injected, so that the flow rate of the combustion gas flowing into the turbine increases and the specific heat of the combustion gas increases, so that the output and thermal efficiency of the turbine can be increased. doing.
【０００４】[0004]
【発明が解決しようとする課題】上述した脱水焼却処理
及び固形燃料化処理では、多量の燃料を必要とし、かつ
エネルギー効率が低い問題点があった。すなわち、水分
を多量に含む汚泥を発電プラントの燃料として使用する
場合は、大部分の水分をあらかじめ蒸発させる必要があ
り、その分の熱量が無駄となる。また、このために発電
プラントとは別系統に燃料乾燥設備やＲＤＦ製造設備等
が必要となる。更に、可燃ゴミであってもそのまま焼却
処理すると、ダイオキシン等による公害が問題となる。The above-described dehydration and incineration treatment and solid fuel treatment require a large amount of fuel and have low energy efficiency. That is, when using sludge containing a large amount of water as fuel for a power plant, it is necessary to evaporate most of the water in advance, and the amount of heat is wasted. For this reason, a fuel drying facility, an RDF manufacturing facility, and the like are required in a system separate from the power plant. Furthermore, even if combustible waste is incinerated as it is, there is a problem of pollution caused by dioxin and the like.
【０００５】一方、上述したチエン・サイクルやその他
のガスタービンを使用した公知の高効率発電システム
は、クリーンな燃料を使う場合にしか適用できない問題
点があった。On the other hand, the known high-efficiency power generation system using the above-described chain cycle and other gas turbines has a problem that it can be applied only when using clean fuel.
【０００６】本発明はかかる問題点を解決するために創
案されたものである。すなわち、本発明の目的は、可燃
ゴミ等の低品位燃料を用いて高出力・高効率の発電が可
能であり、併せて含水率の高い汚泥を処理することがで
きる発電設備を提供することにある。The present invention has been made to solve such a problem. That is, an object of the present invention is to provide a power generation facility capable of generating power with high output and high efficiency by using low-grade fuel such as combustible garbage and simultaneously treating sludge having a high water content. is there.
【０００７】[0007]
【課題を解決するための手段】本発明によれば、可燃ゴ
ミ及び汚泥を燃料として使用する加圧燃焼炉と、膨張タ
ービンを備えたタービン発電機とを備え、炉内温度を保
持しながら汚泥を加圧燃焼炉内に噴射してその水分を蒸
発させ、その水蒸気を含む燃焼ガスで膨張タービンを駆
動して発電する、ことを特徴とする汚泥発電設備が提供
される。本発明の好ましい実施形態によれば、前記ター
ビン発電機は、膨張タービンで駆動され圧縮空気を加圧
燃焼炉に供給する空気圧縮器を備える。According to the present invention, there is provided a pressurized combustion furnace using combustible waste and sludge as fuel, and a turbine generator having an expansion turbine. Is injected into a pressurized combustion furnace to evaporate the water content thereof, and a combustion gas containing the water vapor drives an expansion turbine to generate power, whereby sludge power generation equipment is provided. According to a preferred embodiment of the present invention, the turbine generator includes an air compressor driven by an expansion turbine and supplying compressed air to a pressurized combustion furnace.
【０００８】上記本発明の構成により、可燃ゴミ及び汚
泥をＲＤＦ等の固形燃料に変換することなくそのまま加
圧燃焼炉で燃焼させることができる。この加圧燃焼炉に
は、例えば加圧流動層燃焼炉を用いることができ、ター
ビン発電機から供給された圧縮空気を助燃剤として用い
ることにより、ダイオキシン等を発生させることなく高
温で焼却することができる。また、加圧燃焼炉内に蒸発
管等を設置せず、含水率の高い汚泥を噴射することによ
り炉内温度を最適温度（例えば８５０℃前後）に保持す
るので加圧燃焼炉の構造をシンプルにできる。According to the configuration of the present invention, combustible dust and sludge can be directly burned in a pressurized combustion furnace without being converted into a solid fuel such as RDF. For this pressurized combustion furnace, for example, a pressurized fluidized bed combustion furnace can be used, and by using compressed air supplied from a turbine generator as a combustion aid, incineration at a high temperature without generating dioxin and the like can be performed. Can be. In addition, the temperature of the furnace is maintained at the optimum temperature (for example, around 850 ° C) by injecting sludge with a high moisture content without installing evaporating tubes etc. in the pressurized combustion furnace. Can be.
【０００９】更に、加圧燃焼炉内で汚泥に含まれる水分
が蒸発し、乾燥した汚泥は、炉内で燃焼して燃料の一部
として寄与し、一方、蒸発した水蒸気は、燃焼ガスと共
に膨張タービンに供給され、膨張タービンにおける流量
を増大させて発電出力を高める。従って、従来無駄にさ
れてきた汚泥の水分と発熱量を有効に回収することがで
き、かつ多量の水蒸気により膨張タービンを駆動するの
で、上述したチエン・サイクルと同様に高出力・高効率
の発電が可能であり、送電端効率を高めることができ
る。Further, the moisture contained in the sludge evaporates in the pressurized combustion furnace, and the dried sludge is burned in the furnace and contributes as a part of the fuel, while the evaporated steam expands with the combustion gas. The power supplied to the turbine is increased in the expansion turbine to increase the power generation output. Therefore, the waste water and heat generated in the sludge that have been wasted can be effectively recovered, and the expansion turbine is driven by a large amount of steam, so that high-output and high-efficiency power generation is performed similarly to the above-described chain cycle. It is possible to increase the power transmission end efficiency.
【００１０】[0010]
【発明の実施の形態】以下に本発明の好ましい実施形態
を図面を参照して説明する。なお、各図において、共通
する部分は同一の符号を付し重複した説明を省略する。
図１は、本発明の汚泥発電設備の全体構成図である。こ
の図に示すように、本発明の汚泥発電設備１０は、加圧
燃焼炉１２、タービン発電機１４、高温フィルター１
６、汚泥加熱器１８、及びスタック２０からなる。Preferred embodiments of the present invention will be described below with reference to the drawings. In each of the drawings, common parts are denoted by the same reference numerals, and redundant description will be omitted.
FIG. 1 is an overall configuration diagram of the sludge power generation equipment of the present invention. As shown in this figure, a sludge power generation facility 10 of the present invention comprises a pressurized combustion furnace 12, a turbine generator 14, a high-temperature filter 1
6, consisting of a sludge heater 18 and a stack 20.
【００１１】加圧燃焼炉１２は、可燃ゴミ１及び汚泥２
を燃料として使用する燃焼炉であり、高圧下（例えば２
０ａｔａ前後）で燃料を燃焼させるようになっている。
燃料には、可燃ゴミ１及び汚泥２の他に、必要に応じて
石炭、重油等を用いる。また、内部で脱硫を行うため
に、石灰を燃料と共に供給する。この加圧燃焼炉１２
は、好ましくは加圧流動層燃焼炉であり、下部に供給さ
れる加圧空気により内部を流動状態に保持する。また、
加圧燃焼炉１２内には、流動層ボイラのような蒸発管や
過熱管は設置されてなく、含水率の高い汚泥２を直接噴
射することにより炉内温度を最適温度（例えば８５０℃
前後）に保持するようになっている。The pressurized combustion furnace 12 includes a combustible waste 1 and a sludge 2.
Is a combustion furnace that uses methane as a fuel under high pressure (for example, 2
The fuel is burned at about 0 ata).
As the fuel, in addition to the combustible waste 1 and the sludge 2, if necessary, coal, heavy oil, and the like are used. In addition, lime is supplied together with fuel for desulfurization inside. This pressurized combustion furnace 12
Is preferably a pressurized fluidized bed combustion furnace, the inside of which is kept in a fluidized state by pressurized air supplied to the lower part. Also,
In the pressurized combustion furnace 12, no evaporating tube or superheating tube such as a fluidized bed boiler is installed, and the furnace temperature is adjusted to an optimum temperature (for example, 850 ° C.) by directly injecting sludge 2 having a high water content.
Before and after).
【００１２】タービン発電機１４は、膨張タービン１４
ａ、空気圧縮機１４ｂ、及び発電機１４ｃからなり、こ
れらが互いに直結、又は増減速機を介して連結されてい
る。空気圧縮機１４ｂは、膨張タービン１４ａで駆動さ
れ圧縮空気３を加圧燃焼炉１２に供給するようになって
いる。この圧縮空気３は、加圧流動層燃焼炉内を流動状
態に保持すると共に、加圧燃焼における助燃剤として用
いる。The turbine generator 14 includes an expansion turbine 14
a, an air compressor 14b, and a generator 14c, which are directly connected to each other or connected via a speed reducer. The air compressor 14b is driven by the expansion turbine 14a to supply the compressed air 3 to the pressurized combustion furnace 12. The compressed air 3 keeps the inside of the pressurized fluidized bed combustion furnace in a fluidized state and is used as a combustion aid in pressurized combustion.
【００１３】高温フィルター１６は、加圧燃焼炉１２と
タービン発電機１４の間に配置され、加圧燃焼炉１２か
ら供給される高温燃焼ガス中のダストを分離し、クリー
ンな燃焼ガス４を膨張タービン１４ａに供給する。この
高温フィルター１６は、例えばセラミックフィルターで
あり、分離したダストは加圧燃焼炉１２に戻すようにな
っている。The high temperature filter 16 is disposed between the pressurized combustion furnace 12 and the turbine generator 14, separates dust in the high temperature combustion gas supplied from the pressurized combustion furnace 12, and expands the clean combustion gas 4. It is supplied to the turbine 14a. The high temperature filter 16 is, for example, a ceramic filter, and the separated dust is returned to the pressure combustion furnace 12.
【００１４】汚泥加熱器１８は、含水率の高い汚泥２を
膨張タービン１４ａの高温排ガス（例えば３００℃）で
加熱する間接加熱器であり、例えばシェルアンドチュー
ブ型熱交換器を用いることができる。この汚泥２はポン
プ１９で高圧（例えば２５ａｔａ前後）に加圧され、加
圧燃焼炉１２内に噴射される。この噴射量は、炉内温度
を最適温度（例えば８５０℃前後）に保持するように制
御される。また、汚泥加熱器１８で温度が下がった排ガ
スはスタック２０を介して大気中に放出される。The sludge heater 18 is an indirect heater that heats the sludge 2 having a high water content with the high-temperature exhaust gas (for example, 300 ° C.) of the expansion turbine 14a. For example, a shell-and-tube heat exchanger can be used. This sludge 2 is pressurized to a high pressure (for example, about 25 ata) by a pump 19 and injected into the pressurized combustion furnace 12. This injection amount is controlled so as to maintain the furnace temperature at an optimum temperature (for example, around 850 ° C.). The exhaust gas whose temperature has been lowered by the sludge heater 18 is discharged into the atmosphere via the stack 20.
【００１５】上述した構成により、下水汚泥等の含水量
の多い汚泥２（例えば９８％が水分）を石炭等を主燃料
とする加圧燃焼炉１２へ燃焼温度が８５０℃程度になる
量だけ吹き込み、加圧燃焼炉で汚泥２の水分は蒸発さ
れ、燃焼ガス４とともに後流の膨張タービン１４ａを駆
動する。汚泥中の可燃物は燃焼炉内で燃焼し、灰分は主
燃料の灰分とともに系外に排出される。膨張タービン１
４ａの排ガスの顕熱は燃焼炉に吹き込む汚泥２の予熱に
使う。According to the above-described structure, sludge 2 having a high water content (eg, 98% water) such as sewage sludge is blown into the pressurized combustion furnace 12 using coal or the like as a main fuel by an amount such that the combustion temperature becomes about 850 ° C. Then, the water of the sludge 2 is evaporated in the pressurized combustion furnace, and drives the downstream expansion turbine 14a together with the combustion gas 4. The combustibles in the sludge are burned in the combustion furnace, and the ash is discharged out of the system together with the ash of the main fuel. Expansion turbine 1
The sensible heat of the exhaust gas 4a is used for preheating the sludge 2 blown into the combustion furnace.
【００１６】従って、上述した構成により、可燃ゴミ１
及び汚泥２をＲＤＦ等の固形燃料に変換することなくそ
のまま加圧燃焼炉１２で燃焼させることができる。この
加圧燃焼炉には、例えば加圧流動層燃焼炉を用いること
ができ、タービン発電機１４から供給された圧縮空気３
を助燃剤として用いることにより、ダイオキシン等を発
生させることなく高温で焼却することができる。また、
加圧燃焼炉１２内に蒸発管等を設置せず、含水率の高い
汚泥２を噴射することにより炉内温度を最適温度（例え
ば８５０℃前後）に保持するので加圧燃焼炉１２の構造
をシンプルにできる。Therefore, with the above-described configuration, the combustible dust 1
The sludge 2 can be directly burned in the pressurized combustion furnace 12 without being converted into a solid fuel such as RDF. As this pressurized combustion furnace, for example, a pressurized fluidized bed combustion furnace can be used, and the compressed air 3 supplied from the turbine generator 14 can be used.
By using as a combustion aid, it is possible to incinerate at a high temperature without generating dioxin and the like. Also,
Since no evaporating pipes or the like are installed in the pressurized combustion furnace 12 and the sludge 2 having a high water content is injected to maintain the furnace temperature at an optimum temperature (for example, around 850 ° C.), the structure of the pressurized combustion furnace 12 is reduced. Can be simple.
【００１７】更に、加圧燃焼炉１２内で汚泥２に含まれ
る水分が蒸発し、乾燥した汚泥は、炉内で燃焼して燃料
の一部として寄与し、一方、蒸発した水蒸気は、燃焼ガ
ス４と共に膨張タービン１４ａに供給され、膨張タービ
ンにおける流量を増大させて発電出力を高める。従っ
て、従来無駄にされてきた汚泥２の水分と発熱量を有効
に回収することができ、かつ多量の水蒸気により膨張タ
ービンを駆動するので、上述したチエン・サイクルと同
様に高出力・高効率の発電が可能であり、送電端効率を
高めることができる。Further, the moisture contained in the sludge 2 evaporates in the pressurized combustion furnace 12, and the dried sludge is burned in the furnace and contributes as a part of fuel, while the evaporated water vapor is used as a combustion gas. 4, and is supplied to the expansion turbine 14a to increase the flow rate in the expansion turbine to increase the power generation output. Therefore, the water and the calorific value of the sludge 2 which have been wasted conventionally can be effectively recovered, and the expansion turbine is driven by a large amount of steam. Power generation is possible, and power transmission end efficiency can be increased.
【００１８】なお、発明は上述した実施形態に限定され
ず、本発明の要旨を逸脱しない範囲で種々変更できるこ
とは勿論である。The present invention is not limited to the above-described embodiment, but can be variously modified without departing from the gist of the present invention.
【００１９】[0019]
【発明の効果】上述した本発明の汚泥発電設備では、下
水汚泥２は前処理を施すことなく発電プラントに燃料の
一部として使用でき、燃焼過程で蒸発した水分も膨張タ
ービン１４ａの駆動に有効に使える。従来の加圧流動層
ボイラ（ＰＦＢＣ）では燃焼炉の顕熱は水冷管にて回収
していたため、膨張タービン以外にスチームサイクルを
組んだ複合発電とする必要があったが、本発明では燃焼
炉１２に直接水を吹き込むことにより燃焼温度を下げる
ためスチームサイクルは不要となる。更に、本発明の汚
泥発電設備では、ＰＦＢＣの技術を応用することによ
り、ダーティな燃料でもチェン、ＨＡＴサイクル等と同
様の効果が得られる。According to the above-described sludge power generation equipment of the present invention, the sewage sludge 2 can be used as a part of the fuel for the power plant without performing the pretreatment, and the moisture evaporated in the combustion process is also effective for driving the expansion turbine 14a. Can be used for In a conventional pressurized fluidized-bed boiler (PFBC), the sensible heat of the combustion furnace was recovered by a water-cooled tube, so that it was necessary to use a combined cycle including a steam cycle in addition to the expansion turbine. Since the combustion temperature is lowered by directly blowing water into the fuel cell 12, a steam cycle is not required. Further, in the sludge power generation equipment of the present invention, by applying the PFBC technology, the same effects as those of a chain, a HAT cycle, etc. can be obtained even with a dirty fuel.
【００２０】従って、本発明の汚泥発電設備は、可燃ゴ
ミ等の低品位燃料を用いて高出力・高効率の発電が可能
であり、併せて含水率の高い汚泥を処理することができ
る、等の優れた効果を有する。Therefore, the sludge power generation equipment of the present invention can generate high output and high efficiency using low-grade fuel such as combustible waste, and can also treat sludge having a high water content. Has an excellent effect.
【図１】本発明の汚泥発電設備の全体構成図である。FIG. 1 is an overall configuration diagram of a sludge power generation facility of the present invention.
【図２】従来の二流体サイクルガスタービンの全体構成
図である。FIG. 2 is an overall configuration diagram of a conventional two-fluid cycle gas turbine.
１ 可燃ゴミ ２ 汚泥 ３ 圧縮空気 ４ 燃焼ガス １０ 汚泥発電設備 １２ 加圧燃焼炉 １４ タービン発電機 １４ａ 膨張タービン １４ｂ 空気圧縮機 １４ｃ 発電機 １６ 高温フィルター １８ 汚泥加熱器 ２０ スタック ５１ 絞り弁 ５２ コンプレッサー ５３ 燃焼室 ５４ 水処理装置 ５５ ポンプ ５６ 熱交換器 ５７，５８ タービン ５９ コンデンサー DESCRIPTION OF SYMBOLS 1 Combustible waste 2 Sludge 3 Compressed air 4 Combustion gas 10 Sludge power generation equipment 12 Pressurized combustion furnace 14 Turbine generator 14a Expansion turbine 14b Air compressor 14c Generator 16 High temperature filter 18 Sludge heater 20 Stack 51 Throttle valve 52 Compressor 53 Combustion Chamber 54 Water treatment unit 55 Pump 56 Heat exchanger 57, 58 Turbine 59 Condenser
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｆ２３Ｇ 7/00 １０２ Ｆ２３Ｇ 7/00 １０２Ｂ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI F23G 7/00 102 F23G 7/00 102B
Claims (2)
加圧燃焼炉と、膨張タービンを備えたタービン発電機と
を備え、炉内温度を保持しながら汚泥を加圧燃焼炉内に
噴射してその水分を蒸発させ、その水蒸気を含む燃焼ガ
スで膨張タービンを駆動して発電する、ことを特徴とす
る汚泥発電設備。1. A pressurized combustion furnace using combustible waste and sludge as fuel, and a turbine generator having an expansion turbine, wherein sludge is injected into the pressurized combustion furnace while maintaining the furnace temperature. Sludge power generation equipment characterized in that the water is evaporated and an expansion turbine is driven by a combustion gas containing the water vapor to generate power.
駆動され圧縮空気を加圧燃焼炉に供給する空気圧縮器を
備える、ことを特徴とする請求項１に記載の汚泥発電設
備。2. The sludge power generation equipment according to claim 1, wherein the turbine generator includes an air compressor driven by an expansion turbine and supplying compressed air to a pressurized combustion furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7798A JPH11200882A (en) | 1998-01-05 | 1998-01-05 | Sludge power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7798A JPH11200882A (en) | 1998-01-05 | 1998-01-05 | Sludge power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11200882A true JPH11200882A (en) | 1999-07-27 |
Family
ID=11464111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7798A Pending JPH11200882A (en) | 1998-01-05 | 1998-01-05 | Sludge power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11200882A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002256884A (en) * | 2001-02-26 | 2002-09-11 | Tsukishima Kikai Co Ltd | Power system for thermal decomposition and gasification of sewage sludge |
| JP2006000812A (en) * | 2004-06-21 | 2006-01-05 | Ishikawajima Harima Heavy Ind Co Ltd | Sewage treatment system |
| JP2007170704A (en) * | 2005-12-20 | 2007-07-05 | Public Works Research Institute | Pressurized fluidized incineration equipment and its startup method |
| JP2012032122A (en) * | 2010-08-02 | 2012-02-16 | Tokyo Electric Power Co Inc:The | Industrial heating system |
| JP2013057498A (en) * | 2012-11-02 | 2013-03-28 | Metawater Co Ltd | Sewage sludge supply device for incinerator |
| CN103821571A (en) * | 2014-03-10 | 2014-05-28 | 苟仲武 | Novel thermal power generation system and working method |
-
1998
- 1998-01-05 JP JP7798A patent/JPH11200882A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002256884A (en) * | 2001-02-26 | 2002-09-11 | Tsukishima Kikai Co Ltd | Power system for thermal decomposition and gasification of sewage sludge |
| JP2006000812A (en) * | 2004-06-21 | 2006-01-05 | Ishikawajima Harima Heavy Ind Co Ltd | Sewage treatment system |
| JP2007170704A (en) * | 2005-12-20 | 2007-07-05 | Public Works Research Institute | Pressurized fluidized incineration equipment and its startup method |
| JP2012032122A (en) * | 2010-08-02 | 2012-02-16 | Tokyo Electric Power Co Inc:The | Industrial heating system |
| JP2013057498A (en) * | 2012-11-02 | 2013-03-28 | Metawater Co Ltd | Sewage sludge supply device for incinerator |
| CN103821571A (en) * | 2014-03-10 | 2014-05-28 | 苟仲武 | Novel thermal power generation system and working method |
| CN103821571B (en) * | 2014-03-10 | 2016-01-13 | 苟仲武 | A kind of Novel fire force generating system and method for work |
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