KR20000008976U - Side inflow air blocking device for sintering ignition furnace - Google Patents
Side inflow air blocking device for sintering ignition furnace Download PDFInfo
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- KR20000008976U KR20000008976U KR2019980020856U KR19980020856U KR20000008976U KR 20000008976 U KR20000008976 U KR 20000008976U KR 2019980020856 U KR2019980020856 U KR 2019980020856U KR 19980020856 U KR19980020856 U KR 19980020856U KR 20000008976 U KR20000008976 U KR 20000008976U
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- ignition furnace
- air
- sintering
- sintering ignition
- blocking device
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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
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- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
- F27D99/0076—Furnace car seals, i.e. seals used in continuous furnaces or kilns for preventing gas or heat exchange between heating chamber and the area comprising driving means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
본 고안은 소결점화로의 측면유입공기 차단장치에 관한 것으로, 특히 소결점화로(4)의 폭양측 하부와 대차레일(6) 사이에 각각 설치되면서 그 수직부(9-1)가 고정빔(14)에 고정 부착되고, 상기 수직부(9-1)의 상단에 연이어 형성되는 경사부(9-2)에는 그 내측 하단에 에어턱(13)이 형성되면서 그 상단 하부측에 분사노즐(10)이 형성되는 에어덕트(9)와; 일단이 송풍기(11)와 연결되면서 상기 소결점화로(4)의 폭외측에 각각 위치하는 타단이 각각 연결관(12)에 의해 상기 수직부(9-1)에 연결되는 에어공급관(8)으로 구성되는 것을 특징으로 하는 소결점화로의 측면유입공기 차단장치에 관한 것이다.The present invention relates to a side inlet air blocking device of the sintering ignition furnace, and in particular, the vertical portion (9-1) is installed between the lower side of both sides of the sintering ignition (4) and the bogie rail (6) the fixed beam ( 14 is fixedly attached to the inclined portion 9-2 formed successively at the upper end of the vertical portion 9-1, while the air jaw 13 is formed at the inner lower end thereof and the injection nozzle 10 at the upper lower side thereof. Air duct 9 is formed; One end is connected to the blower 11 and the other ends respectively located on the outside of the sintering ignition furnace 4 are connected to the air supply pipe 8 connected to the vertical portion 9-1 by the connection pipe 12, respectively. It relates to a side inlet air blocking device for the sintering ignition furnace characterized in that the configuration.
Description
본 고안은 소결점화로의 측면유입공기 차단장치에 관한 것으로, 특히 소결점화로의 좌우내측벽과 소결대차의 좌우외측벽 사이로 유입되어 소결대차의 배합원료중 좌우측 표면의 착화를 방해하는 측면유입공기를 차단하는 소결점화로의 측면유입공기 차단장치에 관한 것이다.The present invention relates to a side inlet air blocking device for a sintering ignition furnace, and particularly, a side inflow air that enters between the left and right inner walls of the sintering ignition furnace and the left and right outer walls of the sintering bogie to hinder the ignition of the left and right surfaces of the blended raw materials of the sintering bogie. It relates to a side inlet air blocking device for sintering ignition furnace to block.
일반적으로, 소결공정은 도1에 도시한 바와같이 원료저장조(1)에 저장된 미분의 철광석, 석회석, 코크스 등의 배합원료를 절출피더(2)를 통해 소결대차(3)에 실리게 된다.In general, the sintering process is loaded in the sintered trolley 3 through the extraction feeder 2 of the blended raw materials such as iron ore, limestone, coke and the like stored in the raw material storage tank 1 as shown in FIG.
이때, 무한궤도의 레일(6)을 따라 일정속도로 진행되는 소결대차(3)는 장입된 배합원료를 싣고 소결점화로(4)를 통과하게 되고, 소결점화로에 통과되면서 표면이 착화된 배합원료는 주배풍기(7)의 흡입력에 의해 상부로부터 하부까지 서서히 코크스가 연소되면서 철광석과 석회석을 소결시켜 소결광을 생산하게 된다.At this time, the sintered trolley 3 proceeding at a constant speed along the rail 6 of the endless track passes through the sintering ignition furnace 4 loaded with the loaded compounding material, and the surface is complexed while passing through the sintering ignition furnace. The raw material is sintered iron ore and limestone as the coke is gradually burned from the top to the bottom by the suction force of the main blower 7 to produce a sintered ore.
그리고, 점화로(4)의 폭내측벽과 소결대차(3)의 폭외측면 사이의 유격은 상호 접촉을 방지하기 위하여 필연적으로 설계되어 있다.The clearance between the inner side wall of the ignition furnace 4 and the outer side surface of the sintered trolley 3 is inevitably designed to prevent mutual contact.
한편, 배합원료는 소결대차(3)의 폭방향으로 균일하게 소결되는 것이 이상적이나, 실제의 경우 도2에 도시한 바와같이 소결점화로(4)에서 배합원료의 상부표면이 착화되는 과정중 소결점화로의 폭내측벽과 소결대차(3)의 폭외측면 사이로 주배풍기(7)의 흡입력에 의해 흡입되는 냉풍이 외부로부터 유입되어 배합원료의 상부표면중 폭좌우측의 착화를 방해하게 된다.On the other hand, the compounding material is ideally sintered uniformly in the width direction of the sintering bogie 3, but in practice, as shown in FIG. Cold air sucked in by the suction force of the main blower 7 flows between the inner wall of the ignition furnace and the outer width of the sintered trolley 3 from the outside to prevent the ignition of the width left and right of the upper surface of the blended raw material.
따라서, 배합원료의 폭좌우측에 미소결광이 발생되고, 이로인해 소결광의 회수율이 감소되고, 그 소결광의 품질이 저하되는 문제가 발생된다.Accordingly, fine coarse light is generated on the right and left sides of the blended raw material, which causes a problem that the recovery of the sintered ore is reduced and the quality of the sintered ore is degraded.
종래에는 소결점화로(4)의 폭내측벽과 소결대차(3)의 폭외측면 사이를 통한 냉풍흡입을 차단하기 위하여 소결점화로의 폭내측벽에 와이어브러시(Wire Brush)를 설치하였으나, 그 효과가 미미할 뿐만아니라 그 부작용이 더욱 심하게 발생되었다.In the past, a wire brush was installed on the inner wall of the sintering ignition to block cold air suction between the inner width of the sintering ignition furnace 4 and the outer lateral side of the sintering bogie 3, but the effect was negligible. In addition, the side effects were more severe.
본 고안은 소결점화로의 좌우내측벽과 소결대차의 좌우외측벽 사이로 유입되는 내풍의 측면유입공기를 차단함으로써 소결대차의 배합원료중 좌우측 표면의 착화불량을 방지하고, 소결광의 회수율 및 품질을 향상시킬 수 있는 소결점화로의 측면유입공기 차단장치를 제공함에 그 목적이 있다.The present invention prevents ignition defects on the left and right surfaces of the blended raw materials of the sintered bogie and improves the recovery rate and quality of the sintered bore by blocking the side inflow air of the inner wind flowing between the left and right inner walls of the sinter ignition furnace and the left and right outer walls of the sintered bogie. It is an object of the present invention to provide a side inlet air blocking device for sintering ignition.
도1은 일반적인 소결설비를 나타내는 개략도,1 is a schematic view showing a typical sintering plant,
도2는 종래의 소결점화로 내측벽과 소결대차의 외측면 사이로 냉풍 유입상태를 나타내는 상태도,Figure 2 is a state diagram showing the state of cold air flow between the inner wall of the conventional sintering ignition furnace and the outer surface of the sintering bogie;
도3은 본 고안에 따른 소결점화로의 측면유입공기 차단장치를 나타내는 단면도,Figure 3 is a cross-sectional view showing a side inlet air blocking device of the sintering ignition furnace according to the present invention,
도4는 본 고안에 따른 측면유입공기 차단장치가 장착된 소결점화로를 나타내는 단면도이다.4 is a cross-sectional view showing a sintering ignition furnace equipped with a side inlet air blocking device according to the present invention.
＜도면의 주요부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>
1: 원료저장조 2: 원료절출피더 3: 소결대차 4: 소결점화로 6: 대차레일 7: 주배풍기 8: 에어공급관 9: 에어덕트 9-1: 수직부 9-2: 경사부 10: 분사노즐 11: 송풍기 12: 연결관 13: 에어턱 14: 고정빔DESCRIPTION OF SYMBOLS 1: Raw material storage tank 2: Raw material cutting feeder 3: Sintering truck 4: Sintering ignition furnace 6: Balance rail 7: Main air blower 8: Air supply line 9: Air duct 9-1: Vertical part 9-2: Inclined part 10: Injection nozzle 11: blower 12: connector 13: air jaw 14: fixed beam
상기한 목적을 달성하기 위하여 본 고안은 소결점화로의 폭양측 하부와 대차레일 사이에 각각 설치되면서 그 수직부가 고정빔에 고정 부착되고, 상기 수직부의 상단에 연이어 형성되는 경사부에는 그 내측 하단에 에어턱이 형성되면서 그 상단 하부측에 분사노즐이 형성되는 에어덕트와; 일단이 송풍기와 연결되면서 상기 소결점화로의 폭외측에 각각 위치하는 타단이 각각 연결관에 의해 상기 수직부에 연결되는 에어공급관으로 구성되는 것을 특징으로 하는 소결점화로의 측면유입공기 차단장치를 제공한다.In order to achieve the above object, the present invention is installed between the lower side of both sides of the sintering ignition furnace and the trolley rail, and the vertical portion is fixedly attached to the fixed beam, and the inclined portion formed successively at the upper end of the vertical portion An air duct in which an injection nozzle is formed at a lower side of an upper end of the air jaw; One end is connected to the blower, and the other end positioned on the outside of the sintering ignition furnace, respectively provided by the connecting pipe is provided with a side inlet air blocking device of the sintering ignition, characterized in that consisting of an air supply pipe connected to the vertical portion. do.
도면을 참조하여 본 고안의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.
도3은 본 고안에 따른 소결점화로의 측면유입공기 차단장치를 나타내는 단면도이고, 도4는 본 고안에 따른 측면유입공기 차단장치가 장착된 소결점화로를 나타내는 단면도이다.3 is a cross-sectional view showing a side inlet air blocking device of the sintering ignition furnace according to the present invention, Figure 4 is a cross-sectional view showing a sintering ignition furnace equipped with a side inlet air blocking device according to the present invention.
본 고안에 따른 에어덕트(9)는 소결점화로(4)의 폭양측 하부에 각각 위치하도록 고정빔(14)에 고정 부착되어 있다.The air duct 9 according to the present invention is fixedly attached to the fixed beam 14 so as to be located at the lower side of both sides of the sintering ignition furnace 4, respectively.
즉, 에어덕트(9)는 수직부(9-1)와 경사부(9-2)로 구성되면서 그 수직부(9-1)의 외측면이 고정빔(14)의 내측면에 고정되어 있고, 수직부와 연이어 형성되면서 내측방향으로 상향되도록 절곡 형성되는 경사부(9-2)는 그 상단부가 소결점화로(4)의 폭내측벽과 소결대차(3)의 폭외측면 사이공간 하부측에 위치하도록 설치되어 있다.That is, the air duct 9 is composed of the vertical portion 9-1 and the inclined portion 9-2, the outer surface of the vertical portion 9-1 is fixed to the inner surface of the fixed beam 14 , The inclined portion 9-2, which is formed in series with the vertical portion and is bent upwardly, is positioned at the lower end of the space between the inner side width of the sinter ignition furnace 4 and the outer width side of the sinter bogie 3 It is installed to
이때, 에어덕트(9)는 그 폭길이가 소결점화로(4)의 입구부터 출구측으로 3m에 이르도록 형성되어 있고, 특히 경사부(9-2)의 경우 수직부(9-1)로부터 유입되는 에어가 경사부를 거치는 동안 압력손실을 줄이기 위하여 내측방향으로 상향되도록 형성되어 있다.At this time, the air duct 9 is formed such that the width thereof reaches 3 m from the inlet to the outlet of the sintering ignition furnace 4, and especially in the inclined portion 9-2, flows from the vertical portion 9-1. It is formed to be upward in the inward direction to reduce the pressure loss while the air is going through the inclined portion.
또한, 에어덕트(9)의 경사부(9-2)에는 그 내측면의 하단 하부측에 경사부 내측높이의 3/4높이로 에어턱(13)이 형성되어 있고, 이 에어턱(13)은 수직부(9-1)로부터 유입되는 에어를 경사부(9-2)내의 길이방향으로 유량을 고르게 분포시키는 기능을 하게 된다.Moreover, the air jaw 13 is formed in the inclined part 9-2 of the air duct 9 at the 3/4 height of the inside height of the inclined part in the lower-lower side of the inner side surface, This air jaw 13 The air flows from the vertical portion 9-1 to distribute the flow evenly in the longitudinal direction in the inclined portion 9-2.
그리고, 에어덕트(9)의 경사부(9-2)에는 그 상단 하부측을 따라 분사노즐(10)이 형성되어 있고, 이 분사노즐(10)로부터 분사되는 에어는 소결대차(3)의 폭외측면 하단을 향해 최단길이로 하향되게 분사되어 일종에 차단커튼을 형성하게 된다.In the inclined portion 9-2 of the air duct 9, injection nozzles 10 are formed along the lower side of the upper end, and the air injected from the injection nozzles 10 is outside the width of the sintering trolley 3. It is sprayed downward toward the bottom of the side at the shortest length to form a blocking curtain.
여기서, 분사노즐(10)로부터 분사되어 소결점화로(4)의 폭내측벽과 소결대차(3)의 폭외측면 사이에 각각 형성되는 에어차단커튼은 주배풍기(7)의 흡입력에 의한 외부냉풍을 차단하기 위해서 2400N㎥/hr 이상의 속도로 분사되어야 한다.Here, the air blocking curtain which is sprayed from the injection nozzle 10 and formed between the inner side wall of the sinter ignition furnace 4 and the outer side surface of the sinter bogie 3 blocks the external cold air due to the suction force of the main blower 7. In order to be sprayed at a speed of 2400Nm 3 / hr or more.
한편, 송풍기(11)와 연결되는 에어공급관(8)은 그 하단이 각각 연결관(12)에 의해 에어덕트(9)의 수직부(9-1) 외측면 하부에 연결되어 있다.On the other hand, the air supply pipe 8 is connected to the blower 11, the lower end is connected to the lower portion of the outer surface of the vertical portion 9-1 of the air duct 9 by the connecting pipe 12, respectively.
이하, 본 고안의 작용을 설명한다.Hereinafter, the operation of the present invention.
무한궤도의 레일(6)을 따라 일정속도로 진행되는 소결대차(3)는 장입된 배합원료를 싣고 소결점화로(4)를 통과하게 되고, 소결점화로에 통과되면서 표면이 착화된 배합원료는 주배풍기(7)의 흡입력에 의해 상부로부터 하부까지 서서히 코크스가 연소되면서 철광석과 석회석을 소결시켜 소결광을 생산하게 된다.The sintered trolley 3 which proceeds at a constant speed along the rail 6 of the endless track passes through the sintering ignition furnace 4 loaded with the loaded compounding material, and the compounding material having the surface complexed while passing through the sintering ignition furnace The coke is gradually burned from the top to the bottom by the suction force of the main blower 7 to sinter iron ore and limestone to produce sintered ore.
이때, 송풍기(11)가 작동되면서 에어공급관(8)을 통해 공급되는 에어는 연결관(12)을 거쳐 에어덕트(9)에 장입되고, 에어덕트(9)의 내측면 절곡부에 형성된 에어턱(13)에 충돌되면서 에어덕트(9)내의 길이방향으로 유량이 고르게 분배되는 상태로 흐르게 된다.At this time, while the blower 11 is operated, the air supplied through the air supply pipe 8 is charged into the air duct 9 through the connection pipe 12, and the air jaw formed at the inner side bent portion of the air duct 9. The impingement with (13) causes the flow to flow evenly distributed in the longitudinal direction in the air duct (9).
여기서, 에어는 에어덕트(9)의 경사부(9-2)를 따라 상승되면서 분사노즐(10)을 통해 하향 분사되고, 분사노즐(10)을 통해 분사되는 에어는 소결대차(3)가 통과하는 소결점화로(4)중 그 입구부터 출구측3m까지 에어커튼(Air Curtain)을 형성시키게 된다.Here, the air is injected along the inclined portion 9-2 of the air duct 9 downwardly through the injection nozzle 10, and the air injected through the injection nozzle 10 passes through the sintering cart 3. It is to form an air curtain (Air Curtain) from the inlet to the outlet side of the sintering ignition furnace (4) 3m.
즉, 소결점화로(4)의 입구부터 출구측3m까지 폭내측벽과 소결대차(3)의 폭외측면 사이로 주배풍기(7)의 흡입력에 의한 냉풍유입을 차단하기 위하여 분사노즐(10)로부터 2400N㎥/hr 속도이상의 에어가 분사된다.That is, in order to block the cold air inflow by the suction force of the main air blower 7 from the inlet side to the outlet side of the sinter ignition furnace 4 and the outside side surface of the sinter truck 3, 2400 Nm 3 from the injection nozzle 10. More than / hr velocity air is injected.
따라서, 소결점화로(4)의 입구부터 출구측3m까지 폭내측벽과 소결대차(3)의 폭외측면 사이에 형성되는 에어커튼에 의해 외부냉풍 유입이 차단되면서 소결대차의 배합원료 상부표면에 초기착화가 균일하게 이루어지고, 이로써 배합원료의 폭가장자리에서 발생되는 미소결을 방지할 수 있게 된다.Therefore, the external ignition of the sintered trolley is blocked by the air curtain formed between the inner side wall of the sinter ignition furnace 4 and the outer side of the sinter bogie 3m from the inlet side to the outer side of the sintered trolley 3m, and the initial ignition of the raw material of the sintered trolley is carried out. It is made uniform, and thereby it is possible to prevent the microparticles generated at the width edge of the blended raw material.
본 고안은 소결점화로의 좌우내측벽과 소결대차의 좌우외측벽 사이로 유입되는 내풍의 측면유입공기를 차단함으로써 소결대차의 배합원료중 좌우측 표면의 착화불량을 방지하고, 소결광의 회수율 및 품질을 향상시킬 수 있는 효과를 제공하게 된다.The present invention prevents ignition defects on the left and right surfaces of the blended raw materials of the sintered bogie and improves the recovery rate and quality of the sintered bore by blocking the side inflow air of the inner wind flowing between the left and right inner walls of the sinter ignition furnace and the left and right outer walls of the sintered bogie. It can provide the effect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019980020856U KR200310345Y1 (en) | 1998-10-29 | 1998-10-29 | Side inflow air shutoff device for sintering ignition furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| KR2019980020856U KR200310345Y1 (en) | 1998-10-29 | 1998-10-29 | Side inflow air shutoff device for sintering ignition furnace |
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| Publication Number | Publication Date |
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| KR20000008976U true KR20000008976U (en) | 2000-05-25 |
| KR200310345Y1 KR200310345Y1 (en) | 2003-08-21 |
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