KR970043193A - Reduction of sulfur dioxide gas in flue gas during sintering ore production - Google Patents

Reduction of sulfur dioxide gas in flue gas during sintering ore production Download PDF

Info

Publication number
KR970043193A
KR970043193A KR1019950055798A KR19950055798A KR970043193A KR 970043193 A KR970043193 A KR 970043193A KR 1019950055798 A KR1019950055798 A KR 1019950055798A KR 19950055798 A KR19950055798 A KR 19950055798A KR 970043193 A KR970043193 A KR 970043193A
Authority
KR
South Korea
Prior art keywords
sintering time
sintering
time range
sox
amount
Prior art date
Application number
KR1019950055798A
Other languages
Korean (ko)
Other versions
KR100206484B1 (en
Inventor
이시형
신동석
김석기
Original Assignee
김종진
포항종합제철 주식회사
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 김종진, 포항종합제철 주식회사 filed Critical 김종진
Priority to KR1019950055798A priority Critical patent/KR100206484B1/en
Publication of KR970043193A publication Critical patent/KR970043193A/en
Application granted granted Critical
Publication of KR100206484B1 publication Critical patent/KR100206484B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
    • C22B1/205—Sintering; Agglomerating in sintering machines with movable grates regulation of the sintering process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • F27B21/02—Sintering grates or tables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0031—Regulation through control of the flow of the exhaust gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

본 발명은 제철소에서 소결광 제조시 발생되는 배가스중의 SOx 가스발생량을 저감하는 방법에 관한 것으로써, 소결공정중에 발생하는 배가스의 풍량을 조절하므로써, 별도의 설비가 요구되지 않을 뿐만 아니라 소결과의 품질에도 악영향을 미치지 않으면서 배가스중의 SOx 함량을 감소시킬 수 있는 방법을 제공하고자 하는데, 그 목적이 있다.The present invention relates to a method for reducing the amount of SOx gas in the flue gas generated in the production of sintered ore in steel mills, by controlling the air volume of the flue gas generated during the sintering process, not to require a separate equipment as well as the quality of the sintering To provide a method that can reduce the SOx content of the flue gas without adversely affecting the purpose, it is an object.

본 발명은 DL 소결기에서 연속적으로 소결광을 제조할 시 소결시간에 따른 배가스풍량 및 배가스중의 SOx 농도를 측정하여 소결시간에 따른 측정풍량 및 SOx 농도분포 곡선을 구하는 단계; 상기 측정 풍량 및 SOx 농도 분포곡선에서 SOx 농도가 높게 나타나는 소결시간 범위를 구하고, 이 소결시간 범위에서의 측정풍량을 이 곡선으로부터 구하는 단계; 및 소결광 제조시 상기에서 구한 소결시간 범위에서의 배가스 풍량을 상기 측정풍량 보다 5-25％ 감소시키는 대신에 이 감소된 풍량만큼을 상기 소결시간 범위 전,후의 소결공정에서 증가시키는 단계를 포함하여 구성되는 소결광 제조시 배가스중의 SOx 가스발생량 저감방법을 그 요지로 한다.The present invention provides a step of obtaining a measured air flow amount and SOx concentration distribution curve according to the sintering time by measuring the exhaust gas wind amount and SOx concentration in the exhaust gas according to the sintering time when the sintered ore is continuously manufactured in a DL sintering machine; Obtaining a sintering time range in which the SOx concentration is high in the measured air flow rate and the SOx concentration distribution curve, and obtaining the measured air volume in the sintering time range from this curve; And increasing the reduced amount of air in the sintering process before and after the sintering time range instead of reducing the amount of exhaust gas in the sintering time range obtained in the sintering time range 5-25% compared to the measured air volume in the production of sintered ore. A method for reducing the amount of SOx gas generated in the flue gas during the production of the sintered ore is described.

Description

소결광 제조시 배가스중의 이산화황(SOx) 가스발생량 저감방법Reduction of sulfur dioxide (SOx) gas generation in flue gas during sintering ore production

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따라 풍량조절량별 소결시간에 따른 풍량변화를 나타내는 그래프.2 is a graph showing the air flow change according to the sintering time according to the air flow control amount according to the present invention.

제3도는 본 발명에 따라 풍량조절시 풍량 조절량 및 소결시간에 따른 배가스중의 SOx 농도변화를 나타내는 그래프.3 is a graph showing a change in SOx concentration in the exhaust gas according to the airflow control amount and the sintering time when the airflow control according to the present invention.

Claims (1)

DL 소결기에서 연속적으로 소결광을 제조할 시 소결시간에 따른 배가스 풍량 및 배가스중의 SOx 농도를 측정하여 소결시간에 따른 측정풍량 및 SOx 농도 분포곡선을 구하는 단계 : 상기 측정 풍량 및 SOx 농도 분포곡선에서 SOx 농도가 높게 나타나는 소결시간 범위를 구하고, 이 소결시간 범위에서의 측정풍량을 이 곡선으로부터 구하는 단계: 및 소결광 제조시 상기에서 구한 소결시간 범위에서의 배가스 풍량을 상기 측정풍량 보다 5-25％ 감소시키는 대신에 이 감소된 풍량만큼을 상기 소결시간범위 전, 후의 소결공정에서 증가시키는 단계를 포함하여 구성되는 소결광 제조시 배가스중의 SOx 가스발생량 저감방법In the case of continuously producing sintered ore in the DL sintering machine, the air flow rate according to the sintering time and the SOx concentration in the exhaust gas are determined to obtain the measured air flow rate and SOx concentration distribution curve according to the sintering time. Obtaining the sintering time range in which the SOx concentration is high, and calculating the measured air flow rate in this sintering time range from this curve: and reducing the exhaust gas air flow rate in the sintering time range determined in the above-mentioned sintering time range by 5-25% compared with the measured air flow rate. A method of reducing the amount of SOx gas generated in the flue gas during sintering ore manufacturing comprising the step of increasing the reduced amount of air in the sintering process before and after the sintering time range instead of
KR1019950055798A 1995-12-23 1995-12-23 Method for reduction sox of waste gas in a sintering ore production KR100206484B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950055798A KR100206484B1 (en) 1995-12-23 1995-12-23 Method for reduction sox of waste gas in a sintering ore production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950055798A KR100206484B1 (en) 1995-12-23 1995-12-23 Method for reduction sox of waste gas in a sintering ore production

Publications (2)

Publication Number Publication Date
KR970043193A true KR970043193A (en) 1997-07-26
KR100206484B1 KR100206484B1 (en) 1999-07-01

Family

ID=19443977

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950055798A KR100206484B1 (en) 1995-12-23 1995-12-23 Method for reduction sox of waste gas in a sintering ore production

Country Status (1)

Country Link
KR (1) KR100206484B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388237B1 (en) * 1998-12-30 2003-09-19 주식회사 포스코 Reduction of Sulfur Dioxide in Sintered Flue Gas_

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010011171A (en) * 1999-07-26 2001-02-15 이구택 Manufacturing method of sinter ore with reducing sulfur-oxide in discharged gas
KR100433254B1 (en) * 1999-12-30 2004-05-27 주식회사 포스코 Method for making sinter mix for the sintering process
CN106636620B (en) * 2016-12-15 2018-08-10 钢研晟华工程技术有限公司 A kind of reduction Ore Sintering Process SO2The method of discharge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388237B1 (en) * 1998-12-30 2003-09-19 주식회사 포스코 Reduction of Sulfur Dioxide in Sintered Flue Gas_

Also Published As

Publication number Publication date
KR100206484B1 (en) 1999-07-01

Similar Documents

Publication Publication Date Title
FR2432887A1 (en) PROCESS FOR PURIFYING A GAS CONTAINING HYDROGEN SULFIDE
CN202380016U (en) Optimized control device for recycling coal gas of converter
KR970043193A (en) Reduction of sulfur dioxide gas in flue gas during sintering ore production
CN106865959A (en) The circulation utilization method of 3D glass tin tank shielded gas
WO2003034819A3 (en) Nox software sensor
CN111408243A (en) Thermal power generating unit wet desulphurization pH value control system and method
NO180052C (en) Method for sintering iron oxide-containing substances in a sintering machine
CN115193232B (en) Ca in desulfurization slurry 2+ Method for controlling oxidation state of slurry on line by concentration and pH
WO2021014923A1 (en) Method for controlling process, operation guidance method, method for operating blast furnace, method for manufacturing molten iron, and device for controlling process
CN111765776B (en) System and method for controlling comprehensive parameters in flue gas hood of sintering machine
JPS5579838A (en) Sintering method in dwight-lloyd type sintering machine
CN112649553A (en) Method for testing natural oxidation rate of slurry in limestone wet desulphurization absorption tower
GB1327187A (en) Control of apparatus for producing sulphur
CN202869291U (en) Air-supply and air-stop control system for converter flue gas
CN212188518U (en) Thermal power generating unit wet flue gas desulfurization pH value control system
JP2003342628A (en) Method for controlling furnace pressure of converter, and device therefor
JPS5613443A (en) Sintering method for ore or the like
JPS61276624A (en) Method for controlling oxygen-enriched combustion and controlling device thereof
JPS56109831A (en) Manufacture of base material for optical fiber
CN101718495A (en) Composite control device of ignition furnace of sintering machine
JPS55125207A (en) Operation method of blast furnace
SU534504A1 (en) The method of automatic control of the sintering process of the charge
CN108265153A (en) Two close cycles dynamic optimization LT methods RECOVERY OF CONVERTER GAS and Fan Energy-saving control method
CN106370019B (en) A kind of sintering flue gas capturing device and method
SU986874A1 (en) Method for controlling thermal conditions of cupola furnace in the mineral wool production

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080410

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee