KR200220213Y1 - Air Leak Prevention Device of Sinterer Bogie - Google Patents

Air Leak Prevention Device of Sinterer Bogie Download PDF

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KR200220213Y1
KR200220213Y1 KR2019960055604U KR19960055604U KR200220213Y1 KR 200220213 Y1 KR200220213 Y1 KR 200220213Y1 KR 2019960055604 U KR2019960055604 U KR 2019960055604U KR 19960055604 U KR19960055604 U KR 19960055604U KR 200220213 Y1 KR200220213 Y1 KR 200220213Y1
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bogie
plate
sealing plate
side plate
sealing
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KR2019960055604U
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KR19980042500U (en
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손용락
남호일
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이구택
포항종합제철주식회사
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  • Mechanical Engineering (AREA)
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  • Manufacture And Refinement Of Metals (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
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Abstract

본 고안은 소결진행중인 대차와 대차사이 또는 단일 대차의 분할된 측면판사이에서 발생되는 누풍을 씰링판의 자중과 결합구조적인 작용에 의해 차단할 수 있게 한 소결기대치의 누풍(Air Leak)방지장치에 관한 것으로,The present invention relates to a device for preventing air leakage of a sintering device substitute that can block leakage caused by the self-weight and the coupling structural action of the sealing plate between the sintering bogie and the bogie or between the divided side plates of a single bogie. ,

소결기대차의 측면판과 측면판의 좌,우의 끝단 가장자리에 씰링판을 삽입할 수 있는 공간의 턱을 형성한 후, 그 틈새에 씰링판이 삽입되고 이 씰링판이 자중과 하방향에서 공기를 빨아들이는 흡입력에 의해 측면판간의 누풍개소에 달라붙게 구성함에 따라, 대차의 측면판 틈새에서 발생되는 누풍을 방지하게 한 것이다.After forming the jaws of the space for inserting the sealing plate into the side plate of the sinter bogie and the left and right end edges of the side plate, the sealing plate is inserted in the gap, and the sealing plate sucks air in its own weight and downward direction. As it is configured to stick to the leak location between the side plates by the suction force, it is to prevent the leak caused in the gap between the side plate of the trolley.

Description

소결기대차의 누풍(Air Leak) 방지 장치Air Leak Prevention Device of Sinterer Bogie

본 고안은 소결기대차의 누풍방지장치, 더욱 상세하게는 소결진행중인 대차와 대차사이 또는 단일대차의 분할된 측면판사이에서 발생되는 누풍을 씰링판의 자중과 결합구조직인 작용에 의해 차단할 수 있게 한 소결기대차의 누풍(Air Leak)방지장치에 관한 것이다.The present invention is a sinter that prevents leakage of sintering machine bogie, more specifically, sintering that prevents leakage of air generated between sintering bogie and bogie or between divided side plates of single bogie by self weight and joining structure of sealing plate. The present invention relates to an air leak prevention device of an expectation car.

일반적으로, 소결기대차의 측면판은 도 1 및 도 2에서와 같이 소결기 용량에 따라 작은 것은 2본, 큰 것은 3본으로 분할하여 사용되어 왔다. 도 1 및 도 2에서와 같이 소결기대차(1)에 광석을 장입하고 점화로에서 착화를 한후 소결을 위해 소결기대차의 하방향에서 공기를 흡입할 때, 소결기대차와 대차사이(L2) 또는 대차측면판(2)과 측면판의 틈새(L, L1)로 공기가 누설되었다. 이러한 공기의 누설을 소위 누풍으로 지칭하며, 이 누풍은 소결광 제조성상의 불안정에 의한 제조원가의 상승과, 열패턴의 불균일로 소결생산성 및 품질의 저하와 후공정에서 미소결광 배출에 따른 설비의 문제점 발생은 물론, 환경공해물질의 배출증가로 기업의 이미지(Image) 손상 등을 가져온다.In general, as shown in Figs. 1 and 2, the side plate of the sintering machine bogie has been used by dividing the small one into two and the large one into three. 1 and 2, when the ore is charged into the sintering tank bogie 1 and ignited in the ignition furnace, and when air is sucked in the downward direction of the sintering tank bogie for sintering, between the sintering tank bogie and the bogie L2. Alternatively, air leaked into the gaps L and L1 between the bogie side plate 2 and the side plate. The leakage of air is referred to as so-called leakage air, which causes an increase in manufacturing cost due to instability of sintered ore manufacturing properties, uneven thermal patterns, deterioration of sintering productivity and quality, and problems of facilities due to discharge of fine coarse light in the post-process. In addition, the increase in the emission of environmental pollutants may cause damage to the company's image.

또한, 측면판이 한 대차에 하나로 이루어질 경우에는 누풍방지는 가능하였으나, 고열(1,300℃)과 상온을 오가는 열팽창과 수축에 의한 측면판의 크랙(Crack), 파손 등에 견딜 수 있는 금속재료가 없었고, 무게가 무거워져 실질적으로 사용이 불가능하였다. 특히, 여러개의 대차(150대)가 하나의 원형궤도를 이루어 회전하기 때문에 대차와 대차사이는 진동과 진행에 따른 유동으로 필연적으로 틈새가 발생하게 되었다.In addition, if one side plate is made in one bogie, it is possible to prevent leakage, but there was no metal material to withstand cracks and breakage of the side plate due to thermal expansion and contraction between high temperature (1,300 ° C) and room temperature. It became heavy and was practically impossible to use. In particular, since the trolleys (150 units) rotate in a single circular track, a gap is inevitably generated between the trolley and the trolley due to vibrations and flows.

본 고안은 위와 같은 종래의 소결기대차에 발생되는 누풍으로 인한 문제점을 감안하여 안출한 것으로서, 그 목적은 소결기대차의 측면판에서 발생되는 누풍을 최소화할 수 있는 누풍방지장치를 제공하는 것이다.The present invention has been made in view of the problems caused by the leakage caused by the conventional sintering machine bogie as described above, the object is to provide a leakage preventing device that can minimize the leakage caused by the side plate of the sintering bogie.

이러한 목적을 달성히기 위한 본 고안은, 소결기대차의 측면판과 측면판의 좌,우의 끝단 가장자리에 씰링판을 삽입할 수 있는 공간의 턱을 형성한 후 그 틈새에 씰링판을 삽입하고 이 씰링판이 자중과 하방향에서 공기를 빨아들이는 흡입력에 의해 측면간의 누풍개소에 달라붙게 구성함에 따라, 대차의 측면판 틈새에서 발생되는 누풍을 방시하게 하는 것을 특징으로 한다.The present invention for achieving this purpose, after forming the chin of the space for inserting the sealing plate on the edge of the left side and right side of the side plate of the sintering machine bogie and inserting the sealing plate in the gap and sealing As the plate is configured to stick to a leak point between the sides by the suction force for sucking air from its own weight and downward direction, it is characterized by causing the leak caused by the gap between the side plates of the truck.

제1도는 일반적인 소결기대차의 측면을 나타낸 구성도,1 is a block diagram showing the side of the general sintering bogie,

제2도는 종래의 소결기대차의 누풍상태를 예시한 사시도,2 is a perspective view illustrating a leak state of a conventional sintering machine bogie,

제3도는 본 고안의 실시예의 씰링판의 취부상태 사시도,3 is a perspective view of the mounting state of the sealing plate of the embodiment of the present invention,

제4도는 상기 씰링판의 취부상태를 발췌한 부분확대도,4 is a partially enlarged view extracting the mounting state of the sealing plate,

제5(a)(b)(c)도는 본 고안의 씰링판 설치부의 정면과 측단면 및 평면 구성도,5 (a) (b) (c) is a front and side cross-sectional view and a planar configuration diagram of the sealing plate mounting portion of the present invention,

제6도는 본 고안의 씰링판 설치부의 상세도이다.6 is a detailed view of the sealing plate mounting portion of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 소결기대차 11 : 측면판10: sintering machine bogie 11: side plate

11a, 11b : 요입턱 20 : 씰링판11a, 11b: recessed jaw 20: sealing plate

21 : 키홈 22 : 걸림턱21: key groove 22: jam jaw

30 : 고정판 31 : 볼트30: fixing plate 31: bolt

32 : 유도키 L, L1, L2 : 틈32: Guidance key L, L1, L2: gap

이하, 본 고안의 소결기대차의 누풍방지장치를 첨부도면을 참조하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the leak prevention apparatus of the sintering machine bogie of the present invention is as follows.

도 3은 본 고안의 실시예의 씰링판 취부상태를 나타낸 것으로, 소결기대차(10)의 측면판(11)과 또다른 측면판이 만나는 연결부에 각각 요입턱(11a)(11b)이 형성되고, 이 요입턱(11a)(11b)에는 그 중앙부에 틈(L,L1,L2)을 밀폐하게 씰링판(20)이 설치되어 있다.Figure 3 shows a sealing plate mounting state of the embodiment of the present invention, the recessed jaw (11a) (11b) is formed in each of the connection portion where the side plate 11 and another side plate of the sintering machine bogie 10 is formed, The sealing plate 20 is provided in the recessed jaw 11a, 11b so that the clearance gap L, L1, L2 may be sealed in the center part.

상기 씰링판(20)은 도 4 및 도 5의 (a)∼(c)에서와 같이 일측의 측면판(11)에 볼트(31)로 고정된 적어도 하나의 고정판(30)에 의해 지지되며, 이 고정판(30)은 접촉되는 씰링판(20)에 45°기울기를 가진 키홈(21)을 형성하되 고정판(30)에는 하향으로 약 45°각도로 향하는 유도키(32)를 형성한다.The sealing plate 20 is supported by at least one fixing plate 30 fixed to the side plate 11 of one side by a bolt 31, as shown in Figs. 4 and 5 (a) to (c), The fixing plate 30 forms a key groove 21 having a 45 ° slope in the sealing plate 20 which is in contact with the fixing plate 30, and forms an induction key 32 facing downward at an angle of about 45 ° in the fixing plate 30.

한편, 상기 고정판(30)이 접촉되는 씰링판(20)에는 이의 이동구간을 제한하는 걸림턱(22)이 형성되어 있다.On the other hand, the locking plate 20 is in contact with the fixing plate 30 is formed with a locking jaw 22 to limit the moving section thereof.

그러므로 씰링판(20)에 형성된 대각방향의 키홈(21)에 고정판(30)의 유도키(32)가 삽입되면, 하중이 큰 씰링판(20)의 자중이 그 키홈(21)과 하향으로 형성된 유도키(32)의 작용에 의해 요입턱(11a)(11b)에 긴밀하게 밀착된다(도 6 참조)Therefore, when the guide key 32 of the fixed plate 30 is inserted into the diagonal key groove 21 formed in the sealing plate 20, the weight of the sealing plate 20 with a large load is formed downwardly with the key groove 21. By the action of the induction key 32, it is in close contact with the urine jaws 11a and 11b (see Fig. 6).

즉, 상기 씰링판(20)에 형성된 키홈과 유도키(32)의 취부각도에 의해 씰링판(20)의 자중이 하향으로 향하면서 요입턱(11a)(11b)의 틈새(L,L1,L2)를 긴밀히 밀착 폐쇄시킨다.That is, the self-weight of the sealing plate 20 is directed downward by the mounting angle of the key groove formed in the sealing plate 20 and the induction key 32, and the gaps L, L1, and L2 of the recesses 11a and 11b. ) Close close.

씰링판(20)이 자중에 의한 힘으로 측면판에 밀착될 때, 씰링판(20)의 끝단이 소결기대차(10)의 상판에 닿을 수 있도록 키홈(21)을 설계해야 한다.When the sealing plate 20 is in close contact with the side plate by the force of its own weight, the key groove 21 should be designed so that the end of the sealing plate 20 can reach the upper plate of the sintering machine bogie 10.

즉, 씰링판(20)의 끝단이 소결기대차(10)의 상판에 닿지 않을 경우 틈새가 생기고, 그 틈새로 누풍이 발생되기 때문이다.That is, when the end of the sealing plate 20 does not touch the top plate of the sintering machine trolley 10, a gap occurs, and a leak occurs due to the gap.

이러한 문제를 해소하기 위하여 씰링판(20)의 키홈의 길이는 측면판과 측면판간의 틈새(L,L1,L2)보다 길게 제작되어야 한다. 통상 측면판과 측면판간의 틈새(L,L1,L2)는 각각 2mm로 관리되지만 장기간 사용에 따른 마모를 고려하여 키홈의 길이를 10∼15mm 정도로 제작하여 씰링 효율을 향상시키는 것이다.In order to solve this problem, the length of the key groove of the sealing plate 20 should be made longer than the gap (L, L1, L2) between the side plate and the side plate. Normally, the gap between the side plate and the side plate (L, L1, L2) is managed by 2mm, respectively, but the length of the key groove is made about 10 to 15mm in consideration of wear due to long-term use to improve the sealing efficiency.

이와 같은 본 고안의 누풍방지장치는 여러개의 대차가 하나의 원형궤도를 이루어 회전하는 과정에서 대차와 대차사이(L2), 대차측면판과 측면판 사이의 틈새(L,L1)를 없애주는 자중식 씰링판장치에 의해 누풍(Air Leak)으로 인한 미소결광 발생현상을 방지함으로써, 소결생산성향상 및 품질향상은 물론 누풍(Air Leak)억제로 인한 소결광 제2성상의 불안정을 해소하고 환경공해(분진,SOx,NOx)발생을 억제할 수 있는 등의 효과가 있다.The leak prevention device of the present invention is a self-weighting type that eliminates the gap between the bogie and the bogie (L2), the bogie side plate and the side plate (L, L1) in the process of rotating the bogie with a single circular track By preventing the occurrence of micro-glow due to air leak by sealing plate device, it improves sintering productivity and quality as well as the instability of sintered ore second property due to air leak suppression and environmental pollution (dust, SOx, NOx) generation can be suppressed.

Claims (1)

소결기 대차(10)의 측면판(11)과 이에 연결되는 또 다른 측면판에 의해 형성되는 요입턱(11a)(11b)의 사이에 각 측면판(11)의 연결부에 형성된 틈(L,L1,L2)을 밀폐하는 씰링핀(20)을 구비한 소결기 대차에 있어서 상기 씰링판(20)을 밀착상태로 요입턱(11a)(11b)에 지지되도록 일측의 측면판(11)에 다수의 볼트(31)로 고정된 적어도 하나의 고정판(30)과,Clearances L and L1 formed at the connecting portion of each side plate 11 between the side plates 11 of the sintering machine trolley 10 and the recesses 11a and 11b formed by another side plate connected thereto. In the sintering machine trolley having a sealing pin 20 for sealing L2, a plurality of side plates 11 are supported on one side plate 11 so that the sealing plate 20 is supported by the recesses 11a and 11b in close contact. At least one fixing plate 30 fixed with a bolt 31, 상기 고정판(30)에 접촉되는 씰링판(20)을 일체로 연결되게 실링판에 45°기울기를 가진 키홈(21)을 형성하되 이에 삽입되게 고정판(30)을 관통하여 하향으로 약 45°각도로 기울어지게 결합된 유도키(32)를 포함한 구성을 특징으로 하는 소결기 대차의 누풍방지장치.A key groove 21 having a 45 ° slope is formed on the sealing plate to be integrally connected to the sealing plate 20 in contact with the fixing plate 30, and penetrates through the fixing plate 30 at an angle of about 45 ° downwardly. Leak prevention device of the sintering machine bogie characterized in that the configuration including an induction key 32 is inclined.
KR2019960055604U 1996-12-24 1996-12-24 Air Leak Prevention Device of Sinterer Bogie KR200220213Y1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100977794B1 (en) * 2003-05-27 2010-08-24 주식회사 포스코 Leakage of air prevention apparatus of sintering cat jointing part
KR101036652B1 (en) 2003-12-30 2011-05-24 주식회사 포스코 Sinter Pallet Having Anti-Strain Wall Structure
KR101156696B1 (en) 2004-12-09 2012-06-14 주식회사 포스코 Apparatus for preventing wind from leak out of the side wall of the sintering carriage and the method of the same
KR101377641B1 (en) 2012-09-27 2014-03-26 현대제철 주식회사 Sintering apparatus

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