JPH023118B2 - - Google Patents
Info
- Publication number
- JPH023118B2 JPH023118B2 JP13390182A JP13390182A JPH023118B2 JP H023118 B2 JPH023118 B2 JP H023118B2 JP 13390182 A JP13390182 A JP 13390182A JP 13390182 A JP13390182 A JP 13390182A JP H023118 B2 JPH023118 B2 JP H023118B2
- Authority
- JP
- Japan
- Prior art keywords
- fluidized bed
- gas
- air supply
- compressor
- combustor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000007789 gas Substances 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000000112 cooling gas Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Description
【発明の詳細な説明】
本発明は、流動層炉、詳しくは、浮遊流動層に
その下部から高温ガスを供給する給気装置、並び
に、浮遊流動層の分散板に対する保護構成の改良
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fluidized bed furnace, and more particularly to an air supply device for supplying hot gas to a floating fluidized bed from the lower part of the furnace, as well as to an improvement in the protection structure for the distribution plate of the floating fluidized bed.
従来、流動層炉を構成するに、第２図に示すよ
うに、浮遊流動層６の分散板３の下方に、熱風発
生炉１５及び電動ブロワー１６等から成る給気装
置Ａを接続して、供給路５から分散板３上に投入
される被処理物を、給気装置Ａから加圧供給され
る高温ガスで浮遊流動させながら、燃焼、乾燥、
あるいは加熱していたが、一般的なブロワー１６
の吐出圧は600ないし700mmAq.程度であり、例え
ば粉粒状石炭を燃焼させる場合、流動層６の厚さ
を静止状態で20cm程度にしかできず、処理能力の
面で不十分であり、また、分散板３が高温ガス及
び高温の浮遊流動層６による加熱で早期に変形や
破壊を生じやすくて、耐久性面でも欠点があつ
た。 Conventionally, to configure a fluidized bed furnace, as shown in FIG. 2, an air supply device A consisting of a hot air generating furnace 15, an electric blower 16, etc. is connected below the dispersion plate 3 of the floating fluidized bed 6. The material to be processed, which is introduced from the supply path 5 onto the distribution plate 3, is combusted, dried,
Or it was heated, but a general blower 16
The discharge pressure is about 600 to 700 mmAq. For example, when burning granular coal, the thickness of the fluidized bed 6 can only be about 20 cm in a stationary state, which is insufficient in terms of processing capacity. The dispersion plate 3 was easily deformed and destroyed at an early stage due to heating by the high-temperature gas and the high-temperature floating fluidized bed 6, and there were also drawbacks in terms of durability.
本発明の目的は、給気装置の改良によつて、高
温ガスの供給圧を大巾に増大できるようにすると
共に、その給気装置を有効利用して、分散板の耐
久性を向上する点にある。 An object of the present invention is to make it possible to significantly increase the supply pressure of high-temperature gas by improving the air supply device, and to improve the durability of the distribution plate by effectively utilizing the air supply device. It is in.
本発明による流動層炉の特徴構成は、浮遊流動
層にその下部から高温ガスを供給する給気装置を
構成するに、酸素含有ガスを加圧供給するコンプ
レツサーをガスタービンに連動連結すると共に、
前記コンプレツサーから前記ガスタービンへの給
気路に燃焼器を介装し、かつ、前記燃焼器に燃料
を供給する流路、及び、前記ガスタービンから前
記浮遊流動層に高温ガスを圧送する流路を設け、
そして、前記浮遊流動層の分散板にその下方から
冷却用ガスを供給する給気具を、前記コンプレツ
サーと燃焼器の間に接続した状態で設けたことに
ある。 The characteristic configuration of the fluidized bed reactor according to the present invention is that, in configuring the air supply device that supplies high-temperature gas to the floating fluidized bed from the lower part thereof, a compressor that supplies oxygen-containing gas under pressure is linked to a gas turbine, and
A combustor is interposed in the air supply path from the compressor to the gas turbine, and a flow path for supplying fuel to the combustor, and a flow path for pressurizing high-temperature gas from the gas turbine to the floating fluidized bed. established,
Further, an air supply device for supplying cooling gas to the dispersion plate of the floating fluidized bed from below is provided in a state connected between the compressor and the combustor.
本発明特徴構成による作用効果は次の通りであ
る。つまり、燃焼室からの高温高圧ガスにより作
動するタービンでコンプレツサーを駆動させて、
高温高圧の酸素含有ガスを燃焼室に供給する事に
よつて、タービンから1500ないし1700mmAq、も
の高圧で、かつ、650ないし700℃もの高温ガスを
浮遊流動層に供給できるようになり、例えば粉粒
状石炭を燃焼させる場合浮遊流動層の厚さを従来
の２倍程度にできる等、浮遊流動層の厚さを大巾
に増大でき、流動層炉の処理能力向上を効果的に
行えるようになつた。 The effects of the characteristic configuration of the present invention are as follows. In other words, the compressor is driven by a turbine operated by high-temperature, high-pressure gas from the combustion chamber.
By supplying high-temperature, high-pressure oxygen-containing gas to the combustion chamber, it becomes possible to supply gas from the turbine at a high pressure of 1500 to 1700 mmAq and a high temperature of 650 to 700°C to the floating fluidized bed. When burning coal, the thickness of the floating fluidized bed can be approximately doubled compared to conventional methods, making it possible to significantly increase the thickness of the floating fluidized bed and effectively improving the processing capacity of fluidized bed furnaces. .
その上、コンプレツサーを有効利用して、給気
具により浮遊流動層の分散板を冷却できるように
することによつて、簡単な構成付加でもつて分散
板の熱によるトラベルを効果的に抑制でき、耐久
性においても優れた流動層炉が得られた。 Furthermore, by making effective use of the compressor and allowing the air supply device to cool the distribution plate of the floating fluidized bed, it is possible to effectively suppress the travel of the distribution plate due to heat with a simple configuration addition. A fluidized bed furnace with excellent durability was obtained.
次に、第１図により実施例を示す。 Next, an example will be shown with reference to FIG.
上部に煙道１を有する炉本体２内に、全面にわ
たつて通気孔を備えた分散板３を設け、分散板３
の下方に形成した給気室４に給気装置Ａを接続
し、供給路５から投入される被処理物を分散板３
から上方に噴出される高圧の高温ガスで浮遊させ
て、被処理物を燃焼、加熱あるいは乾燥させるた
めの浮遊流動層６を形成するための流動層炉を構
成してある。 A dispersion plate 3 having ventilation holes over the entire surface is provided in a furnace body 2 having a flue 1 at the top.
The air supply device A is connected to the air supply chamber 4 formed below the dispersion plate 3.
A fluidized bed furnace is configured to form a floating fluidized bed 6 for burning, heating, or drying a workpiece by suspending it with high-pressure, high-temperature gas ejected upward from the workpiece.
給気装置Ａを構成するに、空気を加圧供給する
コンプレツサー７をガスタービン８に連動連結
し、コンプレツサー７からガスタービン８への給
気路にバーナ式燃焼器９を介装し、燃料ガスを加
圧供給する流路１０を燃焼器９に接続し、ガスタ
ービン８からの高圧の高温ガスを流動層炉の給気
室４に供給する流路１１を設け、もつて、コンプ
レツサー７から燃焼器９に、例えば、圧力が
10000mmAq.で100℃の燃続用空気を供給して、燃
焼器９で発生する高圧の高温ガスを、それによつ
てガスタービン８を駆動させた後、例えば圧力が
1500ないし1700mmAq.で温度が650ないし700℃
で、酸素濃度が12〜13％という状態で、浮遊流動
層６に向かつて供給できるように構成してある。 To configure the air supply system A, a compressor 7 that supplies air under pressure is connected to a gas turbine 8, and a burner-type combustor 9 is interposed in the air supply path from the compressor 7 to the gas turbine 8. A flow path 10 is connected to the combustor 9, and a flow path 11 is provided to supply high-pressure high-temperature gas from the gas turbine 8 to the air supply chamber 4 of the fluidized bed furnace. For example, if the pressure is
After supplying 100°C combustion air at 10,000 mmAq. and driving the gas turbine 8 with the high-pressure high-temperature gas generated in the combustor 9, for example, the pressure is
1500 to 1700mmAq. and temperature 650 to 700℃
The structure is such that oxygen can be supplied to the floating fluidized bed 6 at an oxygen concentration of 12 to 13%.
分散板３の下方に、多数の噴気用パイプ１２を
並設して、それらパイプ１２から分散板に冷却用
ガスを吹付けるように構成し、それらパイプ１２
をコンプレツサー７と燃焼器１０の間に接続し
て、コンプレツサー７により冷却用ガスを併せ供
給できるように構成し、かつ、バルブ１３の調整
により適量の冷却ガスが供給できるように構成
し、さらに、パイプ１２夫々の下方に遮熱板１４
を設けて、高温ガスによるパイプ１２の昇温を抑
えるように構成してある。 A large number of fumarole pipes 12 are arranged in parallel below the dispersion plate 3, and cooling gas is blown from the pipes 12 to the dispersion plate.
is connected between the compressor 7 and the combustor 10 so that the compressor 7 can also supply cooling gas, and an appropriate amount of cooling gas can be supplied by adjusting the valve 13, and further, A heat shield plate 14 is placed below each pipe 12.
is provided to suppress the rise in temperature of the pipe 12 due to high-temperature gas.
次に、別の実施例を示す。 Next, another example will be shown.
前記分散板３の具体構成は、例えばパンチング
メタルや帯板や棒を狭い間隔で並べたもの等、自
由に変更でき、また、冷却用ガスを分散板３に供
給する構成も各種変更自在であつて、それらを給
気具１２と総称する。 The specific configuration of the dispersion plate 3 can be freely changed, for example, using punched metal, strips, or rods arranged at narrow intervals, and the configuration for supplying the cooling gas to the dispersion plate 3 can also be changed in various ways. These are collectively referred to as air supply tools 12.
前記コンプレツサー７に供給するガスの組成や
酸素濃度等を適用変更でき、それらガスを酸素含
有ガスと総称する。 The composition, oxygen concentration, etc. of the gas supplied to the compressor 7 can be changed, and these gases are collectively referred to as oxygen-containing gas.
前記流動層炉は、例えば、プロセスヒーテイン
グ、貴金属再生、金属熱処理等の加熱目的、廃棄
物焼却等の燃焼目的、あるいは、各種の乾燥目的
等、種々の用途に適用できる。 The fluidized bed furnace can be used for various purposes, such as heating purposes such as process heating, precious metal regeneration, and metal heat treatment, combustion purposes such as waste incineration, and various drying purposes.
第１図は本発明の実施例を示すフローシートで
あり、第２図は従来例のフローシートである。
３……分散板、６……浮遊流動層、７……コン
プレツサー、８……ガスタービン、９……燃焼
器、１０……燃料供給用流路、１１……高温ガス
圧送用流路、１２……給気具、Ａ……給気装置。
FIG. 1 is a flow sheet showing an embodiment of the present invention, and FIG. 2 is a flow sheet of a conventional example. 3... Distribution plate, 6... Floating fluidized bed, 7... Compressor, 8... Gas turbine, 9... Combustor, 10... Fuel supply channel, 11... High temperature gas pressure feeding channel, 12 ...Air supply equipment, A...Air supply device.
Claims (1)
する給気装置Ａを構成するに、酸素含有ガスを加
圧供給するコンプレツサー７をガスタービン８に
連動連結すると共に、前記コンプレツサー７から
前記ガスタービン８への給気路に燃焼器９を介装
し、かつ、前記燃焼器９に燃料を供給する流路１
０、及び、前記ガスタービン８から前記浮遊流動
層６に高温ガスを圧送する流路１１を設け、そし
て、前記浮遊流動層６の分散板３にその下方から
冷却用ガスを供給する給気具１２を、前記コンプ
レツサー７と燃焼器９の間に接続した状態で設け
てある事を特徴とする流動層炉。1. To configure the air supply device A that supplies high-temperature gas to the floating fluidized bed 6 from its lower part, a compressor 7 that supplies oxygen-containing gas under pressure is connected to a gas turbine 8, and a compressor 7 is connected to the gas turbine 8 from the compressor 7 to the gas turbine. A flow path 1 in which a combustor 9 is interposed in an air supply path to 8 and supplies fuel to the combustor 9.
0, and an air supply device that is provided with a flow path 11 for pumping high-temperature gas from the gas turbine 8 to the floating fluidized bed 6, and that supplies cooling gas to the distribution plate 3 of the floating fluidized bed 6 from below. 12 connected between the compressor 7 and the combustor 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13390182A JPS5924173A (en) | 1982-07-30 | 1982-07-30 | Fluidized bed furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13390182A JPS5924173A (en) | 1982-07-30 | 1982-07-30 | Fluidized bed furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5924173A JPS5924173A (en) | 1984-02-07 |
| JPH023118B2 true JPH023118B2 (en) | 1990-01-22 |
Family
ID=15115744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13390182A Granted JPS5924173A (en) | 1982-07-30 | 1982-07-30 | Fluidized bed furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5924173A (en) |
-
1982
- 1982-07-30 JP JP13390182A patent/JPS5924173A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5924173A (en) | 1984-02-07 |
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