KR20020000343A - Method and apparatus for retrieving fine sinter ore - Google Patents
Method and apparatus for retrieving fine sinter ore Download PDFInfo
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- KR20020000343A KR20020000343A KR1020000034878A KR20000034878A KR20020000343A KR 20020000343 A KR20020000343 A KR 20020000343A KR 1020000034878 A KR1020000034878 A KR 1020000034878A KR 20000034878 A KR20000034878 A KR 20000034878A KR 20020000343 A KR20020000343 A KR 20020000343A
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- 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
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- 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
- C22B1/18—Sintering; Agglomerating in sinter pots
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- 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
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- 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
- F27B21/04—Sintering pots or sintering pans
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Abstract
Description
본 발명은 미립소결광의 회수방법 및 그 장치에 관한 것으로, 특히 소결배광시 발생되는 미립소결광을 배광전에 회수하여 소결급광부측의 상부광호퍼로 장입하는 미립소결광의 회수방법 및 그 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for recovering fine sintered ore, and more particularly, to a method and apparatus for recovering fine sintered ore which collects fine sintered light generated during sintered light distribution before light distribution and charges it into the upper optical hopper on the side of the sintered light emitting part. .
일반적으로, 소결공정에 있어서 도1에 도시한 바와같이 소결기(16)에 먼저 통기성과 소성케이크의 분리원활을 위해 상부광(25)(직경 5∼50㎜)이 상부광호퍼(17)로부터 공급되고, 다시 상부광의 상부에 공급호퍼(11)로부터 공급되는 배합원료(13)가 증후를 이루게 된다.In general, in the sintering process, as shown in FIG. 1, the upper light 25 (diameter 5 to 50 mm) is first removed from the upper optical hopper 17 for air permeability and separation of the baked cake. The compounding material 13 supplied from the supply hopper 11 to the upper part of the upper light again forms a symptom.
이때, 소결기(16)의 배합원료(13)는 점화로(15)를 지나면서 착화가 이루어 지고, 동시에 메인블로어(21)의 하방흡입작용으로 소성이 이루어지게 된다.At this time, the blended raw material 13 of the sintering machine 16 is ignited while passing through the ignition furnace 15, and at the same time the firing is made by the suction action of the lower side of the main blower (21).
그리고, 소결기(16)에서 소성이 완료된 소성케이크(20)는 배광되면서 핫크러셔(Hot Crusher)(22)에서 직경 250㎜ 이하로 파쇄된 후, 쿨러(23)에서 냉각되고, 다시 성품스크린(24-1,24-2,24-3)에서 스크린되어 고로빈(14)으로 공급되거나 상부광(25)과 반광(26)으로 회수되어 재사용된다.Then, the baking cake 20, which has been fired in the sintering machine 16, is crushed to a diameter of 250 mm or less in a hot crusher (Hot Crusher) 22 while being distributed, and then cooled in the cooler 23, and then, again, a characteristic screen ( Screened at 24-1, 24-2, 24-3, it is supplied to the blast furnace 14 or recovered to the upper light 25 and semi-glow 26 and reused.
한편, 소결기(16)에서 배광직전 소결대차와 소결대차의 사이와, 리턴되는 소결대차의 바닥에 잔존하는 미립소결광은 백슈트(28)를 통해 쿨러(23)에서 냉각된 다음, 성품스크린(24-1,24-2,24-3)에서 스크린되어 대부분 반광(26)으로 회수되어 광석빈(10)에서 배합원료로 재사용된다.On the other hand, in the sintering machine 16, the particulate sintered light remaining between the sintering trolley immediately before the light distribution and the bottom of the returned sintering trolley is cooled in the cooler 23 through the back chute 28, and then the characteristic screen ( 24-1,24-2,24-3) screened and mostly recovered as semi-ore 26 and reused in the ore bin 10 as a blending material.
그러나, 전체 배광량의 약 7∼10%를 차지하는 미립소결광은 쿨러(23)에서 통풍을 방해하여 냉각효율을 떨어뜨리고, 이로써 미냉각된 소결광이 하부수송벨트를 소손하여 화재를 유발하게 된다.However, the particulate sintered ore, which occupies about 7 to 10% of the total light distribution amount, obstructs ventilation in the cooler 23, thereby lowering the cooling efficiency. As a result, the uncooled sintered ore burns the lower transport belt and causes a fire.
또한, 미립소결광의 약 80% 정도가 성품스크린(24-1,24-2,24-3)에서 반광(26)으로 스크린되어 고로빈(14)으로 공급되는 소결성품의 회수율을 저하시키게 된다.In addition, about 80% of the particulate sintered ore is screened from the characteristic screens 24-1, 24-2, and 24-3 to the semi-glossy 26 to reduce the recovery rate of the sintered article supplied to the blast furnace 14.
더욱이, 미립소결광은 성품스크린(24-1,24-2,24-3)을 거치면서 미립자를 다량 배출하여 스크린눈을 막게 되고, 이로써 성품스크린의 기능을 저하시키게 된다.Furthermore, the particulate sintered light passes through the characteristic screens 24-1, 24-2, and 24-3 to discharge a large amount of fine particles to block the screen eyes, thereby degrading the function of the characteristic screen.
본 발명은 소결배광시 발생되는 미립소결광을 쿨러측으로의 배광 전에 회수한 후 소결급광부측의 상부광호퍼로 장입하여 상부광으로 재사용하게 되는 미립소결광의 회수방법 및 그 장치를 제공함에 그 목적이 있다.The present invention recovers the fine sintered light generated during sintering light distribution before the light distribution to the cooler side, and then inserts into the upper optical hopper on the sintering light emitting part side and reuses the top sintered light, and its object is to provide a method and apparatus thereof. have.
도1은 종래의 소결조업을 나타내는 공정도,1 is a process chart showing a conventional sintering operation,
도2는 본 발명에 다른 소결조업을 나타내는 공정도,2 is a process chart showing another sintering operation in the present invention,
도3은 본 발명에 따른 미립소결광의 회수장치가 장착된 소결기의 배광측을 나타내는 구성도,3 is a block diagram showing a light distribution side of a sintering machine equipped with a recovery device for fine sintered ore according to the present invention;
도4는 도3의 A-A 단면도,4 is a cross-sectional view taken along line A-A of FIG.
도5는 본 발명에 따른 미립소결광의 회수장치중 적재함을 나타내는 일측면도,Figure 5 is a side view showing the loading of the particulate sintered recovery device according to the present invention;
도6은 본 발명에 따른 미립소결광의 회수장치가 장착된 소결기의 급광측을 나타내는 구성도이다.Fig. 6 is a block diagram showing a light feeding side of a sintering machine equipped with a recovery device for fine sintered ore according to the present invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
1: 커버드레일 2: 배광측스프로킷1: Cover rail 2: Light distribution side sprocket
2-1: 급광측스프로킷 6: 미립소결광의 회수플로2-1: Rapid side sprocket 6: Recovery flow of particulate sintered ore
10: 광석빈 13: 배합원료10: ore bean 13: blended raw materials
14: 고로빈 24-1,24-2,24-3: 성품스크린14: Gorobin 24-1, 24-2, 24-3: Character screen
25: 상부광 26: 반광25: upper light 26: half light
상기한 목적을 달성하기 위하여 본 발명은 소결기의 배광측에서 발생되는 미립소결광을 포집슈트와 스타슈트로 포집하여 소결대차의 적재함에 담는 단계와; 소결기의 급광측에서 상기 적재함으로부터 낙하되는 미립소결광을 입측유도슈트로 유도하여 판콘베어의 승강함에 담은 후, 다시 승강함의 미립소결광을 출축유도슈트를 통해 상부광호퍼로 장입하는 단계로 구성되는 것을 특징으로 하는 미립소결광의 회수방법을 제공한다.In order to achieve the above object, the present invention comprises the steps of collecting the fine sintered ore generated on the light distribution side of the sintering machine to the collecting chute and star chute and put in the loading box of the sintering cart; It is composed of the step of guiding the fine sintered light falling from the loading box in the sintering machine into the entrance guide chute to put into the lift of the plate conveyor, and then charging the fine sintered light of the lift to the upper optical hopper through the expansion guide chute. Provided is a method for recovering particulate sintered ore.
또한, 본 발명은 소결대차의 양외측면 상단을 따라 상하 전도된 상태로 고정설치되는 적재함과; 백슈트와 배광측 스프로킷 사이에 설치되면서 그 폭양측에 스타슈트가 설치되어 전도되는 소결대차로부터 낙하하는 미립소결광을 포집하여 상기 적재함으로 유도 장입하게 되는 포집슈트와; 소결기의 급광부측에 설치되어 그 승강함에 적재된 미립소결광을 운반하게 되는 판콘베어와; 상기 판콘베어의 하부일측에 설치되어 소결기의 급광부측에서 전도되는 상기 적재함으로부터 미립소결광을 포집하여 상기 승강함으로 유도하게 되는 입측유도슈트와; 상기 판콘베어의 상부일측에 설치되어 전도되는 상기 승강함으로부터 미립소결광을 포집하여 상부광호퍼에 장입하게 되는 출측유도슈트로 구성되는 것을 특징으로 하는 미립소결광의 회수장치를 제공한다.In addition, the present invention is a loading box that is fixedly installed in the up and down state along the upper end of both sides of the sinter bogie; A collection chute installed between the back chute and the light distribution side sprocket, and collecting a particulate sintered light falling from the sintered trolley which is turned on the star chute on the widthwise side thereof and inductively charges the loading box; A plate conveyor which is installed at the light feeding part side of the sintering machine and carries the fine sintered light loaded in the elevating box; An entrance induction chute installed at one lower side of the plate conveyor to collect particulate sintered light from the loading box that is conducted at the light-dividing part side of the sintering machine to guide the elevating body to the elevating unit; It provides a recovery device for particulate sintered light, characterized in that consisting of an exit induction chute that is installed on the upper side of the plate conveyor and collects the particulate sintered light from the lift is conducted to the upper optical hopper.
도면을 참조하여 본 발명의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.
도2는 본 발명에 다른 소결조업을 나타내는 공정도이고, 도3은 본 발명에 따른 미립소결광의 회수장치가 장착된 소결기의 배광측을 나타내는 구성도이며, 도4는 도3의 A-A 단면도이고, 도5는 본 발명에 따른 미립소결광의 회수장치중 적재함을 나타내는 일측면도이며, 도6은 본 발명에 따른 미립소결광의 회수장치가 장착된 소결기의 급광측을 나타내는 구성도이다.Figure 2 is a process diagram showing another sintering operation in the present invention, Figure 3 is a block diagram showing the light distribution side of the sintering machine is equipped with a recovery device for particulate sintered ore according to the present invention, Figure 4 is a cross-sectional view AA of Figure 3, Fig. 5 is a side view showing a loading box of the particulate sintered ore collecting device according to the present invention, and Fig. 6 is a block diagram showing the sudden side of the sintering machine equipped with the particulate sintered light collecting device according to the present invention.
소결기(16)의 배광측에서 소성이 완료된 소결케이크(20)가 1차파쇄를 위해 소결대차(3)상에서 핫크러셔(22)로 낙하되는 동안 커버드레일(1)을 따라 전도상태로 전환중인 소결대차와 소결대차의 사이와, 소결대차상에 잔존되는 미립소결광(30)이 백슈트(28)로 포집되어 쿨러(23)로 낙하된다.On the light distribution side of the sintering machine 16, the sintered cake 20, which has been fired, is switched to the conductive state along the cover rail 1 while falling to the hot crusher 22 on the sintering bogie 3 for primary crushing. The particulate sintered ore 30 remaining between the sintered trolley and the sintered trolley and the sintered trolley is collected by the back chute 28 and dropped to the cooler 23.
그러나, 본 발명에서는 백슈트(28)의 상부에 별도의 포집슈트(50)와 스타슈트(27)가 설치되어 미립소결광(30)을 전량 포집하게 된다.However, in the present invention, a separate collecting chute 50 and a star chute 27 are installed at the upper portion of the back chute 28 to collect all the particulate sintered ore 30.
다시 말하면, 포집슈트(50)는 배광측 스프로킷(2)의 하부측에 설치되어 그 내부로 포집되는 미립소결광(30)을 그 폭양측으로 유도하도록 형성되어 있고, 스타슈트(27)는 포집슈트의 폭양측에 설치되어 포집된 미립소결광을 포집슈트로 유도하게 된다.In other words, the collecting chute 50 is formed at the lower side of the light distribution-side sprocket 2 and is formed to guide the particulate sintered light 30 collected therein to the widening side thereof, and the star chute 27 is the collecting chute 27. It is installed on both sides of the to guide the collected particulate sintered ore to the collection chute.
이때, 커버드레일(1)을 따라 배광측 스프로킷(2)의 원주상을 움직이는 소결대차(3)가 차례로 뒤집어지기 시작하면서 미립소결광(30)을 낙하시키기 시작하면 포집슈트(50)와 스타슈트(27)에서 이를 포집하게 된다.At this time, when the sintered trolley 3 which moves the circumferential shape of the light distribution side sprocket 2 along the cover rail 1 starts to be inverted in turn, when the particulate sintered light 30 starts to drop, the collection chute 50 and the star suit This is captured at (27).
그리고, 본 발명에서는 소결대차(3)의 양외벽 상단을 따라 적재함(60)이 상하 전도된 상태로 고정 부착되어 있는데, 결국 소결대차와 적재함은 서로 정반대의 상하 전도형상을 이루도록 설치되어 있다.In addition, in the present invention, the loading box 60 is fixedly attached up and down along the upper end of both outer walls of the sintered trolley 3. In the end, the sintered trolley and the loading box are provided to form opposite vertically upside down shapes.
여기서, 적재함(60)은 포집슈트(50)의 폭양측 하부에 위치하면서 포집슈트로 부터 배출되는 미립소결광(30)을 담은 후, 소결대차(3)와 함께 급광부측으로 이동하게 된다.Here, the loading box 60 is located in the lower portion of the collecting chute 50, while containing the particulate sintered light 30 discharged from the collecting chute, and moves to the light feeding part side with the sintered trolley (3).
한편, 본 발명에서는 판콘베어(70)가 소결기(16)의 급광부측에 설치되어 있고, 이 판콘베어(70)에는 미립소결광(30)을 담은 다수의 승강함(69)이 순회하게 된다.On the other hand, in the present invention, the plate conveyor 70 is provided on the side of the light feeding part of the sintering machine 16, and the plate conveyor 70 has a plurality of elevating vessels 69 containing fine sintered light 30 to be traversed. .
이때, 급광측 스프로킷(2-1)의 하부측에 설치되는 입측유도슈트(4)는 소결대차(3)가 급광측 스프로킷(2-1)의 원주상을 따라 이송되는 과정에서 약45。로 경사지는 적재함(60)으로부터 낙하되는 미립소결광(30)을 포집하여 상승중인승강함(69)에 차례로 담도록 설치되어 있다.At this time, the induction induction chute 4 installed on the lower side of the light feeding side sprocket 2-1 is about 45 ° in the process in which the sinter truck 3 is transported along the circumferential image of the light feeding side sprocket 2-1. The inclined slope is installed so as to capture the fine sintered light 30 falling from the loading box 60 and to put it in the ascending lifting box 69 in turn.
그리고, 출축유도슈트(5)는 미립소결광(69)을 적재하고 있는 승강함(69)이 판콘베어(70)의 최상부를 돌아서 뒤집어지는 순간에 쏟아내는 미립소결광을 포집하여 상부광호퍼(17)로 유도 장입하도록 설치되어 있다.In addition, the drawing induction chute (5) collects the fine sintered light that the elevator 69, which is loaded with the fine sintered light (69), turns over at the top of the plate conveyor (70) and is turned over to the upper optical hopper (17). It is installed to charge induction furnace.
이하, 본 발명의 작용을 설명한다.The operation of the present invention will be described below.
소결기(16)의 배광측에서 배광되는 소결케이크(20)는 본질적으로 그 결합이 취약하여 소결대차(3)로부터 분리되면서 부서지기 시작하여 다량의 미립소결광(30)을 만들어내게 된다.The sintered cake 20, which is distributed on the light distribution side of the sintering machine 16, is inherently weak in bonding and starts to be broken as it is separated from the sintering cart 3 to generate a large amount of fine sintered light 30.
이렇게 만들어지는 미립소결광(30)은 소결대차(3)가 배광측스프로킷(2)에 감겨 회전되는 커버드레일(1)을 따라 완전히 뒤집어진 상태로 진행될 때 포집슈트(50)로 낙하되어 적재함(60)에 담기게 되거나, 먼저 스타슈트(27)를 통해 포집된 후 포집슈트를 거쳐 적재함에 담기게 된다.The fine sintered light 30 is thus dropped and loaded into the collection chute 50 when the sintered truck 3 proceeds in a completely inverted state along the cover rail 1 which is wound around the light distribution side sprocket 2 ( 60) or is first collected through the star chute 27 and then through the collection chute is put into the loading box.
그리고, 소결기(16)의 배광부에서 적재함(60)에 담긴 미립소결광(30)은 커버레일(1)을 따라 이송되는 소결대차(3)와 함께 급광부측으로 이송된다.Then, the particulate sintered light 30 contained in the loading box 60 in the light distribution part of the sintering machine 16 is transferred to the light feeding part side together with the sintering bogie 3 which is transferred along the cover rail 1.
이때, 카버드레일(1)이 급광측스프로킷(2-1)에 감겨서 돌아가는 시점에서 소결대차(3)는 뒤집어진 상태에서 정상상태로 전환되는 과정이지만 적재함(60)은 반대로 정상상태에서 뒤집어지는 상태로 전환되는 과정이 된다.At this time, the sintered trolley 3 is a process in which the sintered trolley 3 is turned over from the upside state to the normal state at the time when the carber rail 1 is wound around the sharpening side sprocket 2-1, but the loading box 60 is reversed from the normal state. Losing is the process of transition.
여기서, 적재함(60)이 정상상태에서 약 45。 정도 경사를 이루게 되면 적재되어 있던 미립소결광(30)이 차례로 입측유도슈트(4)로 자연 낙하되고, 입측유도슈트로 유입되는 미립소결광은 다시 판콘베어(70)의 승강함(69)에 담기어 상승된다.Here, when the loading box 60 is inclined at about 45 ° in the normal state, the loaded fine sintered minerals 30 naturally fall into the entrance guide chute 4, and the fine sintered light flowing into the entrance guide chute is plated again. It is lifted up by being put in the elevating box 69 of the conveyor 70.
또한, 승강함(69)에 담긴 미립소결광(30)은 판콘베어(70)의 최상부에 이르러 승강함이 뒤집어지는 순간 자연 낙하되면 출측유도슈트(5)로 배출되어 상부광호퍼(17)에 담기게 된다.In addition, the particulate sintered ore 30 contained in the elevating box 69 reaches the top of the plate conveyor 70 and is discharged to the exiting induction chute 5 when the elevating vessel is inverted at the moment when the elevating vessel is flipped, and is contained in the upper optical hopper 17. It becomes.
이때, 상부광호퍼(17)에 장입되는 미립소결광(30)은 70℃ 이상을 유지하고 있어 소결층의 최하부에 적재되면서 소결원료의 열원으로 작용되고, 소결층의 통기성 및 환원증대에 기여하게 되며, 소결작업의 생산성을 증대시키게 된다.At this time, the fine sintered ore 30 charged in the upper optical hopper 17 is maintained at 70 ℃ or more and is loaded to the bottom of the sintered layer acts as a heat source of the sintered raw material, contributes to the air permeability and reduction of the sintered layer This will increase the productivity of the sintering operation.
본 발명은 미립소결광을 배광되기 전에 회수하여 급광측의 상부광호퍼에 장입함으로써 쿨러의 냉각효율을 향상시키게 되고, 반광의 회수율을 낮추는 대신에 소결성품의 회수율을 높이게 되며, 성품스크린의 스크린효율을 높이면서 소결작업의 생산성을 향상시킬 수 있는 효과를 제공하게 된다.The present invention improves the cooling efficiency of the cooler by recovering the particulate sintered light before light distribution and charging it in the upper optical hopper on the dimming side, and increases the recovery rate of the sintered product instead of reducing the recovery rate of semi-glossy, and improves the screen efficiency of the character screen. While increasing the productivity of the sintering operation will be provided.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020000034878A KR20020000343A (en) | 2000-06-23 | 2000-06-23 | Method and apparatus for retrieving fine sinter ore |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020000034878A KR20020000343A (en) | 2000-06-23 | 2000-06-23 | Method and apparatus for retrieving fine sinter ore |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100712829B1 (en) * | 2005-12-09 | 2007-04-30 | 주식회사 케이디에스인텍 | Structure of dieboard |
| KR100756216B1 (en) * | 2005-09-13 | 2007-09-11 | 박형모 | Belt cover for belt massager |
| KR102446323B1 (en) | 2022-06-24 | 2022-09-21 | 장은성 | Energy generating device |
-
2000
- 2000-06-23 KR KR1020000034878A patent/KR20020000343A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756216B1 (en) * | 2005-09-13 | 2007-09-11 | 박형모 | Belt cover for belt massager |
| KR100712829B1 (en) * | 2005-12-09 | 2007-04-30 | 주식회사 케이디에스인텍 | Structure of dieboard |
| KR102446323B1 (en) | 2022-06-24 | 2022-09-21 | 장은성 | Energy generating device |
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