JPS5857027A - Gas turbine power plant using blast furnace gas as fuel - Google Patents

Gas turbine power plant using blast furnace gas as fuel

Info

Publication number
JPS5857027A
JPS5857027A JP15656581A JP15656581A JPS5857027A JP S5857027 A JPS5857027 A JP S5857027A JP 15656581 A JP15656581 A JP 15656581A JP 15656581 A JP15656581 A JP 15656581A JP S5857027 A JPS5857027 A JP S5857027A
Authority
JP
Japan
Prior art keywords
gas
turbine
blast furnace
fuel
dry
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
JP15656581A
Other languages
Japanese (ja)
Inventor
Atsuhiro Mizota
溝田 敦啓
Norikazu Hirayama
平山 典和
Takuji Harada
拓二 原田
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 JP15656581A priority Critical patent/JPS5857027A/en
Publication of JPS5857027A publication Critical patent/JPS5857027A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/20Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • F02C3/22Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

PURPOSE:To effectively perform recovery of energy, by using blast furnace gas as fuel for a gas turbine power plant, drawing out the blast furnace gas from the downstream of a dry furnace-top pressure-recovery turbine, performing mixed combustion with pressurized air and driving a gas turbine with this combustion gas. CONSTITUTION:Blast furnace gas, discharged from a blast furnace 1, is introduced, via a parimary dust remover 2 and dry dust collector 3, to a dry furnace- top pressure-recovery turbine 5 driving a generator 4. Low pressure blast furnace gas, flowing through the turbine 5, is fed to a gas holder 7 via a flow divider valve 6, while a part of the blast furance gas is pressurized as fuel gas by a fuel gas compressor 8, and then supplied to a combustor 11. The fuel gas is mixed with pressurized air from an air compressor 9 and burnt in this combustor 11, and its combustion gas operates a gas turbine 10 to drive a generator 12. And then the combustion gas is introduced to a boiler 13, here steam of the boiler operates a turbine 14 to which a generator 15 is coupled.

Description

【発明の詳細な説明】 本発明は高炉ガスを@科としてエネルギー回収をするガ
スタービン発td4aK関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a gas turbine-generated td4aK that recovers energy from blast furnace gas.

従来のfi炉ガスエネVギー回収は、銀式炉頂圧回収タ
ービンによるもの、乾式炉頂圧1収タービンによるもの
、あるいは尚炉ガスを燃料とするガスタービンによるも
のなどがあり、各々1固別になされている。
Conventional FI furnace gas energy recovery includes a silver furnace top pressure recovery turbine, a dry furnace top pressure recovery turbine, and a gas turbine that uses furnace gas as fuel. being done.

例えばガスタービンKINをとると、ガスホVダーに貯
えられたガスを分岐して燃焼に供しているため、ガス一
度か低い上、ガス中の水分をとる設備や、ガスの清浄度
を尚めるための果4装置を設−するなどの轄駄が多かっ
た。この場合、乾式巣4諌1の技術的進歩の鳴動でらる
例えば高級なパグフイVりを使うと、ガスの含壜菖は1
ml、4.、以F(従来は5〜20 ”/41d )に
とどまり、かつ温度貼Fを伴なわないため、ダスト、ミ
ストの間4かなく、いわゆる清浄ガスを対象とした設計
で設備の構成かり能である。そこで両温の舖炉ガスを直
積使用可能なように、礒本的には乾式巣ネ装置の直*に
ガスタービンを備えればよいが、規在のガス圧力(高炉
9i+貝圧)は約2〜程度にとどまっていることから、
圧力比が不足し、ガスタービンの効率が著しく低ドし、
燃料ガスコン7゛レツサーが不可欠となる。
For example, in the case of a gas turbine KIN, the gas stored in the gas tank is branched and used for combustion, so not only is the gas level low, but it also requires equipment to remove moisture from the gas and improve the cleanliness of the gas. There were many problems, such as installing 4 devices for the purpose. In this case, for example, if you use a high-quality pugfish pipe, which is the result of technological progress of 4 dry nests, the gas-containing iris will be 1
ml, 4. , below F (conventionally 5 to 20"/41d), and does not involve temperature marking, so there is no difference between dust and mist, and the equipment configuration is not possible due to the design for so-called clean gas. Therefore, in order to be able to directly use the blast furnace gas at both temperatures, it is possible to install a gas turbine directly in the dry nesting device, but the specific gas pressure (blast furnace 9i + shell pressure) is Since it remains at about 2~,
The pressure ratio is insufficient, and the efficiency of the gas turbine is significantly reduced.
A fuel gas conditioner 7゛reducer is essential.

71%ガスをコンプレッサーにて加圧する場合、乾式盛
4ftM置のOf俊で分岐し、所定の最適圧力へ増圧す
るのが効率的に有利なことは公知である。
When pressurizing 71% gas using a compressor, it is known that it is efficiently advantageous to branch off at a dry heap of 4 ftM and increase the pressure to a predetermined optimum pressure.

しかし、k炉設備の場合、無風炉加熱用に約70囁を消
費し、ガスタービンのa@に供し得るのがその残余であ
り、かつガス流篇が変動するとともに、ガス圧力も操業
の都合によって例えば0.5〜〜2、的〜程度まで意図
的に縫動させることかあ)、これらはいずれもコンプレ
ッサーがサージング現象を起す要因になるため、圧力損
失が増大するようになったとしても、コンプレッサーの
吸込圧力を一定にできる一所で分岐することが好ましい
However, in the case of k-furnace equipment, approximately 70 hp is consumed for heating in the windless furnace, and the remainder can be used for the a@ of the gas turbine. (For example, 0.5 to 2, or 0.5 to 2, or 0.5 to 100%). All of these can cause compressor surging, so even if pressure loss increases , it is preferable to branch at one point where the suction pressure of the compressor can be kept constant.

本発明は、上記のことを勘案して、ガスタービンに供す
る燃料ガスの高炉ガスからの分岐を、乾式炉膚圧回収タ
ービンにてエネルギーを回収した後のガスホルダーに導
かれる圧カ一定fk低圧ラインにおき、これにより@科
ガスコンプレッサーのサージング現象を解消した安定な
動作を期待できるとともに、前記乾式炉頂圧回収タービ
ンから排出される高温の高炉ガスを使用して再度Oエネ
にギーl収を良好に行なえるガスタービン発電設備を提
供するものである。
In consideration of the above, the present invention has developed a method for branching fuel gas supplied to a gas turbine from blast furnace gas to a constant fk low pressure that is guided to a gas holder after energy recovery in a dry furnace pressure recovery turbine. As a result, it is expected that stable operation will be achieved by eliminating the surging phenomenon of the gas compressor, and the high-temperature blast furnace gas discharged from the dry furnace top pressure recovery turbine will be used to recover the gas into oxygen energy again. The purpose of the present invention is to provide gas turbine power generation equipment that can perform satisfactorily.

以F本発明の一実施例を図面に基づいて説明する。図面
において、高炉11)からυF出されるd炉ガスは1次
昧媚鈷(2)で粗粒線種され、入いで乾式集−綬置東3
)で−粒除癩され、炉頂圧回収タービン発IIc設備の
発電線(4)を駆動する乾式炉頂圧回収タービン(5)
K導入される。o−d記タービン(5)から排出される
低圧の−かガスは楡社分配弁(6)を介して圧カ一定の
ガスホルダー(7)へ供給されるとともに、一部の高炉
ガスd4料ガスとしてガスタービン発電設備の燃料ガス
コンブレツザー(8)に区給される。
Hereinafter, one embodiment of the present invention will be described based on the drawings. In the drawing, the d-furnace gas discharged from the blast furnace 11) is coarse-grained in the first stage (2), and then enters the dry collection - Ryogi Higashi 3.
), the dry furnace top pressure recovery turbine (5) drives the power generation line (4) of the furnace top pressure recovery turbine generator IIc equipment.
K is introduced. The low-pressure gas discharged from the o-d turbine (5) is supplied to the gas holder (7) with a constant pressure through the Yusha distribution valve (6), and some of the blast furnace gas d4 material is The gas is supplied as a gas to the fuel gas combustor (8) of the gas turbine power generation equipment.

fltl&!!muガスコンプレッサー(6)は空気コ
ンプレッサーLQ)と共にガスタービンg* rc m
結され、前記燃料ガスコンプレッサー、8)で加圧され
九1料ガスは9!気コンプレツサー(Q) &Cよる加
圧空気と懺焼謡旧)において混合燃焼ぜしめられ、該犠
焼ガスによりガスタービン・lが運転され、晃K 4 
a望が駆動される。前記ガスタービン四の排気ガスはボ
イラーーーに導入さル、汽力設備の熱媒滓例えばm環水
を加熱して蒸発させ、この蒸気によりA気タービンU引
が運−され、発)[4a51が駆動される。蒸気−一ビ
ンIから排出された蒸気はす水wh11−で復水され、
再び循環せしめられる。
fltl&! ! mu gas compressor (6) together with air compressor LQ) gas turbine g*rc m
The fuel gas is compressed by the fuel gas compressor 8) and the 91 fuel gas is 9! The compressed air from the air compressor (Q) &C is mixed and combusted in the sacrificial combustion gas, and the gas turbine 1 is operated by the sacrificial combustion gas.
Desire is driven. The exhaust gas from the gas turbine 4 is introduced into the boiler, where it heats and evaporates the heat medium slag of the steam power equipment, such as m-ring water, and this steam drives the A-air turbine U-pull. be done. Steam - The steam discharged from bottle I is condensed with sour water wh11-,
It is made to circulate again.

上記ガスホルダー(7)は圧力が一定に保持される40
であるから、前記炉頂圧回収タービン(6)から排出さ
れるI−炉ガスの圧力は一定値を繊持するものであり、
燃料ガスコンプレッサー(8)はこの高炉ガスの一部が
導入されるので、サージング現象ヲ起す恐れはなく、ガ
スタービン(至)は安定して運−される。またガスター
ビン(至)の燃料として乾式炉頂圧回収タービン(5)
の直後の比−的高温の高炉ガスヲ使用するため、ガスタ
ービンti6による工4pvギー回収は良好に実施され
る。さらにガスタービン栃の排出ガスはボイラーlI3
で墾回収され、蒸気〆−ビン041を駆動するが、との
汽力設備と混成し九コンバインドサイクルによ多熱0卓
a351i程度期待できる。
The pressure of the gas holder (7) is kept constant 40
Therefore, the pressure of the I-furnace gas discharged from the furnace top pressure recovery turbine (6) maintains a constant value,
Since a portion of this blast furnace gas is introduced into the fuel gas compressor (8), there is no fear of surging, and the gas turbine (to) can be operated stably. In addition, the dry furnace top pressure recovery turbine (5) is used as fuel for the gas turbine (5).
Since the blast furnace gas at a relatively high temperature immediately after the blast furnace gas is used, the 4pv energy recovery by the gas turbine TI6 can be carried out well. Furthermore, the exhaust gas from the gas turbine Tochi is boiler lI3
It will be recovered and used to drive the steam bin 041, but when combined with the steam power equipment, it can be expected to produce a 9-unit combined cycle with a high heat content of about 0 units A351i.

以上本発明によれば、ガスタービン発電設−の燃料とし
ての、―炉ガスを乾式炉頂圧回収タービンの後流からと
るので、fm料ガスコンプレッサーはサージング現象を
起すこともなく、ガスタービンは安定運転さnるととも
に、燃料として使用さnる高炉ガスは比−的高温でめる
ので、エネVギー回収も良好でおる。しかも炉頂圧回収
タービン発電設備によるエネルギー回収分が付加される
とともに、汽力設備と混成するならば回収5th4も増
大できる。さらに水分、ダ不トを除去するための設vl
at4装する必費がなくなる等美大な利益をもたらすも
のである。
As described above, according to the present invention, since the furnace gas as a fuel for the gas turbine power generation facility is taken from the wake of the dry furnace top pressure recovery turbine, the fm gas compressor does not cause any surging phenomenon, and the gas turbine In addition to stable operation, since the blast furnace gas used as fuel is burned at a relatively high temperature, energy recovery is also good. In addition, energy recovery by the furnace top pressure recovery turbine power generation equipment is added, and if it is combined with steam power equipment, the recovery 5th4 can also be increased. In addition, there is a setting for removing moisture and dirt.
This brings about great benefits such as eliminating the cost of installing AT4.

【図面の簡単な説明】 一面は本発明の一実施例を示す構成図でろる。 rl)・・・高炉、(3)・・・乾式集I41装置、(
5)・・・乾式炉頂圧回収タービン、(7)・・・ガス
ホルダー、(8)・・・@料ガスコンルッサー、(す)
・・4%コンルッサー、−・・・ガスタービン、市)・
・−燃焼器、0・・・ボイラー、■・・・蒸にタービン 代場人   魂  本  表  弘
BRIEF DESCRIPTION OF THE DRAWINGS One side is a configuration diagram showing an embodiment of the present invention. rl)...Blast furnace, (3)...Dry collection I41 device, (
5)...Dry furnace top pressure recovery turbine, (7)...Gas holder, (8)...@Gas compressor, (su)
・・4% conrusser, −・gas turbine, city)・
・-Combustor, 0...Boiler, ■...Steam turbine Substitute soul Hiroshi Hon Omote

Claims (1)

【特許請求の範囲】[Claims] 1、 ガスタービンに連結された燃料ガスコンプレッサ
ーと空気コンプレッサーヲ有し、前記燃料ガスコンプレ
ッサーに乾式集噛装−および乾式炉頂圧回収タービンを
経た後の高炉ガスを燃料ガスとして4人し、目1記4科
ガスコンプレッサーで加圧された燃料ガスと1tJ記空
気コンプレツサーによる加圧空気とを混合燻焼させて、
この@焼ガスによりutl記ガスタービンを駆動するよ
うにしたことを待倣とする高炉ガスを燃料とするガスタ
ービン発’1llEd備。
1. It has a fuel gas compressor and an air compressor connected to a gas turbine, and four people use blast furnace gas as fuel gas after passing through a dry collection system and a dry furnace top pressure recovery turbine to the fuel gas compressor. Mix and smolder the fuel gas pressurized by the 1.4 gas compressor and the pressurized air by the 1tJ air compressor,
This is a model for a gas turbine that uses blast furnace gas as fuel.
JP15656581A 1981-09-30 1981-09-30 Gas turbine power plant using blast furnace gas as fuel Pending JPS5857027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15656581A JPS5857027A (en) 1981-09-30 1981-09-30 Gas turbine power plant using blast furnace gas as fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15656581A JPS5857027A (en) 1981-09-30 1981-09-30 Gas turbine power plant using blast furnace gas as fuel

Publications (1)

Publication Number Publication Date
JPS5857027A true JPS5857027A (en) 1983-04-05

Family

ID=15630557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15656581A Pending JPS5857027A (en) 1981-09-30 1981-09-30 Gas turbine power plant using blast furnace gas as fuel

Country Status (1)

Country Link
JP (1) JPS5857027A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011003331A (en) * 2009-06-17 2011-01-06 Funai Electric Co Ltd Cable for display device, and television system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011003331A (en) * 2009-06-17 2011-01-06 Funai Electric Co Ltd Cable for display device, and television system

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