KR20010060848A - Burning and temperature control apparatus of shaft kiln - Google Patents

Burning and temperature control apparatus of shaft kiln Download PDF

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Publication number
KR20010060848A
KR20010060848A KR1019990063302A KR19990063302A KR20010060848A KR 20010060848 A KR20010060848 A KR 20010060848A KR 1019990063302 A KR1019990063302 A KR 1019990063302A KR 19990063302 A KR19990063302 A KR 19990063302A KR 20010060848 A KR20010060848 A KR 20010060848A
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South Korea
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cooling air
plate
temperature control
control plate
hole
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KR1019990063302A
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Korean (ko)
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KR100627463B1 (en
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박인희
최기곤
박광주
최성철
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이구택
포항종합제철 주식회사
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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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/26—Arrangements of controlling devices
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/24—Cooling arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Tunnel Furnaces (AREA)

Abstract

PURPOSE: A device for controlling a burning and a temperature is provided to produce normal products by preventing a non-burned product. CONSTITUTION: A control plate(302) is installed in a hydraulic cylinder(308) to be connected with a cylinder connection plate(304). A cooling air inflow hole line(301a) is connected with the control plate(302). A cooling air injection hole(303) is integrally formed in the control plate(302). An inlet diameter of the cooling air injection hole(303) is large and an outlet diameter is small. The control plate(302) is fixed in a shell by installing a supporting bar(313) to prevent a lower shaking event. The cylinder connection plate(304) is fixed with a cylinder connection fixing plate bolt(306) by forming a fixing hole(304a).

Description

수직 소성로의 소성 및 온도제어장치{BURNING AND TEMPERATURE CONTROL APPARATUS OF SHAFT KILN}Firing and Temperature Control System of Vertical Firing Furnace {BURNING AND TEMPERATURE CONTROL APPARATUS OF SHAFT KILN}

본 발명은 석회석 소성중에 미소성제품(생석회반제품) 발생으로 인하여 정상적으로 처리하지 못하고 부적합 제품으로 2차 가공후 사용하거나 또는 미소성제품 발생시 냉각효율이 저하되어 온도가 급격히 상승하므로서 발생되는 제품 이송시 벨트 컨베이어의 화재 위험을 방지하기 위하여 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)에 소성도 콘트롤제어 및 제품온도 편차 방지장치를 설치하므로서 미소성제품 발생을 방지하여 정상제품을 생산, 공급할 수 있도록 한 수직 소성로의 소성도및 온도제어장치에 관한 것이다.The present invention can not be processed normally due to the generation of unbaked products (lime semi-finished products) during the limestone firing, or use the product after secondary processing as an unsuitable product, or when the unbaked product occurs, the cooling efficiency is lowered and the temperature is increased due to the rapid rise of the belt during product transfer. In order to prevent the risk of fire on the conveyor, the vertical discharge furnace is installed on the wheel discharge table to prevent the occurrence of unbaked products and to produce and supply normal products. It relates to a plasticity degree and a temperature control device.

일반적으로 수직소성로(SHAFT KILN)에서의 생석회제조시에는 도1에서와 같이, 제I,제II의 킬른(KILN)으로 연결되어 있고, 킬른(KILN) 내부에 석회석을 각각 장입후 공기는 브로워(BLOWER)(115)에 의해 일정압력으로 올려 노내로 투입시키고 C.O.G는 (COKE OVEN GAS) 부스타(BOOSTER)(112)에 일정압력을 올려 C.O.G(COKEOVEN GAS)라인(LINE)(111)을 통하여 킬른(KILN) 상부의 I,II측에 설치되는 18개의 랜스(LANCE)(101) 각각에 투입 시키는데 장입된 원료는 레벨(LEVEL)계(102)에 의해 자동으로 휠 디스챠지 테이블(WHEEL DISCHARGE) 작동 유압 실린더(CYLINDER)(108)가 작동되므로서 석회석은 예열대, 냉각대를 경유하여 생석회의 제조가 이루어진다.In general, when manufacturing quicklime in a vertical kiln (SHAFT KILN), as shown in Figure 1, it is connected to the kiln (KILN) of the first and second, and after charging limestone inside the kiln (KILN), the air is blown ( The pressure is raised to the furnace by the BLOWER) 115 and the COG is raised to the COKE OVEN GAS BOOSTER 112 by the COG (COKEOVEN GAS) line (111). The raw materials loaded into each of the 18 Lances 101 installed on the I and II sides of the upper part of the KILN) are automatically operated by the wheel discharge table (WHEEL DISCHARGE) by the level system 102. As the cylinder (CYLINDER) 108 is operated, limestone is made of quicklime via preheating and cooling.

예열대에 적재가 완료된 제품은 냉각대에 랜스냉각 브로워(116)로서 투입되는 냉각공기에 의해 냉각이 되는데, 냉각공기는 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)(107)을 냉각하게 될때 그 상부에 제생 석회석제품을 냉각시킨 후 휠 디스챠지 테이블(WHEEL DISCHARGE) 작동 유압 실린더(CYLINDER)(108)의 작동에 의해 벙커(BUNKER)(110)로 투입되어 일시 저장된 후 불출 피더(FEEDER)(117)를 통하여 그 하측의 BELT CONVEYOR의해 이송되어 생석회 제품호파(HOPPER)에 저장토록 된다.When the product is loaded on the preheater, the product is cooled by the cooling air which is introduced into the cooling stand as the lance cooling blower 116. The cooling air is cooled at the top of the wheel discharge table 107 when it is cooled. After cooling the delimed limestone product, the wheel discharge table (WHEEL DISCHARGE) operates the hydraulic cylinder (CYLINDER) 108, which is put into the bunker 110 and temporarily stored, and then the feed feeder 117 is opened. It is transported by BELT CONVEYOR below and stored in quicklime product Hopper.

그러나, 이러한 과정들이 연속적으로 반복되어 생회제조공정이 이루어지고 있으나 다음과 같은 문제점이 있다.However, these processes are continuously repeated, but the raw ash manufacturing process is performed, but there are the following problems.

샤프트 킬른(SHAFT KILN)은 불균일한 원료입도와 소성장치의 특성상 불균일 혼합제품 발생은 필연적으로 되고, 열원 C.O.G(COKE OVE GAS)를 투입하는 랜스(LANCE)(101)가 파손되거나, 또는 NOZZLE이 막히게 되어 C.O.G(COKE OVEN GAS)가 적정량 투입되지 못하거나, 원료의 하강시 내부에 부분적인 부착광이 발생되면 원주방향으로 미 제품이 발생한다. 상기의 LANCE 문제점을 해소하기 위하여 랜스(LANCE)(101)를 전량 분해점검하므로 휴지시간 증가로 인한 생산량 감소로 이어지며, 또한 미 제품에 의한 제품온도 상승시 제품수 BELT CONVEYOR의 화재가 발생될 수 있다.Shaft kiln is unavoidable due to the nonuniformity of raw material and the characteristics of the sintering device, and it is inevitable that the lance 101 which injects the heat source COG (COKE OVE GAS) is damaged or the nozzle is blocked. As a result, COG (COKE OVEN GAS) is not input properly, or when partial adhesion light is generated inside when the raw material falls, the product is generated in the circumferential direction. In order to solve the LANCE problem described above, the total amount of LANCE 101 is disassembled and checked, leading to a decrease in production due to an increase in downtime, and also a fire of the number of products BELT CONVEYOR may occur when the product temperature rises due to US products. have.

본 빌명은 수직 소정로에서의 재생회제조시 미 제품발생으로 인한 제반의 문제점을 해결하기 위한 것으로서 그 목적은, 미 제 품 발생을 방지하여 정상적인 제품으로 생산 처리 할 수 있도록 하는 휠 디스챠지에 소성도및 온도제어장치를 설치하여 미소성제품 발생을 방지함으로써 정상제품을 생산, 공급할 수 있도록 한 수직 소성로의 소성도 및 온도제어장치를 제공하는데 있다.The purpose of this document is to solve all the problems caused by the occurrence of US products during the manufacturing of recycled ashes in the vertical predetermined furnace, and the purpose is to burn them to the wheel discharges to prevent the occurrence of US products to be processed into normal products. It is to provide a firing degree and a temperature control device of a vertical kiln to install and supply a normal product by preventing the occurrence of unbaked products by installing a degree and temperature control device.

도1은 종래의 수직 소성로를 도시한 개략도1 is a schematic view showing a conventional vertical kiln

도2는 종래의 휠 디스챠지 테이블를 도시한 사시도Figure 2 is a perspective view showing a conventional wheel discharge table

도3은 본 발명에 따른 휠 디스챠지 테이블의 소성도 및 온도제어장치를 도시한 개략도Figure 3 is a schematic diagram showing the firing degree and the temperature control device of the wheel discharge table according to the present invention

도4는 본 발명에 따른 소성도및 온도제어 장치를 도시한 정면 상태도Figure 4 is a front state diagram showing the plasticity and temperature control apparatus according to the present invention

도5는 본 발명에 따른 소성도및 온도제어 장치를 도시한 평면 상태도Figure 5 is a plan view showing a plasticity degree and temperature control apparatus according to the present invention

도6는 본 발명에 따른 소성도및 온도제어장치를 도시한 요부 사시도6 is a perspective view illustrating main parts of a plasticity degree and a temperature control device according to the present invention;

* 도면의 부호 설명* Explanation of symbols in the drawings

101: 랜스 102: 레벨계101: Lance 102: Level Meter

103: 제품 105: 제품 분사용 콘103: product 105: product injection cone

106: 제품 온도계 107: 휠 디스챠지 테이블106: product thermometer 107: wheel discharge table

108: 휠 디스챠지 테이블 작동 유압 실린더108: wheel discharge table operated hydraulic cylinder

109: 휠 디스챠지 고정 지지대109: wheel discharge support

110: 벙커 111: COG 라인110: bunker 111: COG line

112: COG 부스터 113: 점검 홀112: COG booster 113: inspection hole

117: 제품 불출 피더 118: 쉘117: product feeder 118: shell

308: 유압 실린더 311: 유동용 호스308: hydraulic cylinder 311: flow hose

314: 전동 밸브314: electric valve

상기 목적을 달성하기 위한 본 발명의 기술적인 구성은, 휠 디스챠지 테이블의 상측에서 이동토록 유압 실린더에 실린더 연결플레이트로서 연결되는 콘트롤 플레이트가 설치되고, 상기 콘트롤 플레이트에 냉각공기 투입홀 라인을 연결하며, 상기 콘트롤 플레이트 안쪽으로 냉각공기 분사홀이 형성되는 구성으로 이루어 지는 수직 소성로의 소성도 및 온도제어장치를 마련함에 의한다.The technical configuration of the present invention for achieving the above object is provided with a control plate which is connected as a cylinder connecting plate to the hydraulic cylinder to move above the wheel discharge table, and connects the cooling air inlet hole line to the control plate By providing a firing degree and a temperature control device of the vertical kiln consisting of a configuration in which the cooling air injection hole is formed inside the control plate.

이하, 첨부된 도면에 의거하여 본 발명의 실시예를 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도3은 본 발명에 따른 휠 디스챠지 테이블의 소성도 및 온도제어장치를 도시한 개략도이며, 도4는 본 발명에 따른 소성도및 온도제어 장치를 도시한 정면 상태도이고, 도5는 본 발명에 따른 소성도및 온도제어 장치를 도시한 평면 상태도이며,도6는 본 발명에 따른 소성도및 온도제어장치를 도시한 요부 사시도로서 본 발명은, 제품 온도계(106)의 센서(SENSOR)에 의해 온도를 감지하면 휠 디스챠지테이블(107)까지 작동할 수 있는 유압 실린더(308)에 의해 휠 디스챠지 테이블(107)까지 콘트롤 플레이트(CONTROL PLATE)(302)를 이동시킬 수 있도록 실린더(CYLINDER) 연결 플레이트(PLATE)(304)를 제작하여 유압실린더(308)를 연결 플레이트(PLATE)고정 홀(HOLE)(304a)에 실린더연결 고정 플레이트(304) 를 볼트(BOLT)(306)로 고정시키고, 유압 실린더(CYLINDER)(308) 끝단부에 플레이트(PLATE)연결 홀(HOLE)(309)를 유압 실린더(CYLINDER) 고정 홀(HOLE)(305)에 위치하여 유압실린더(CYLINDER) 고정볼트(BOLT)(307)로 고정시킨다.Figure 3 is a schematic diagram showing the firing degree and the temperature control device of the wheel discharge table according to the present invention, Figure 4 is a front view showing the firing degree and the temperature control device according to the present invention, Figure 5 Fig. 6 is a plan view showing a firing degree and a temperature control device according to the present invention. Fig. 6 is a perspective view showing the main part of the firing degree and temperature control device according to the present invention. Cylinder connection plate to move the control plate 302 to the wheel discharge table 107 by a hydraulic cylinder 308 that can operate up to the wheel discharge table 107 upon detection of (PLATE) (304) to make the hydraulic cylinder 308 to the connection plate (PLATE) fixing hole (HOLE) (304a) to fix the cylinder fixing plate 304 with bolt (306), hydraulic cylinder (CYLINDER) (308) Plate end at the end To position the holes (HOLE) (309) a hydraulic cylinder (CYLINDER) fixing hole (HOLE) (305) is fixed to the hydraulic cylinder (CYLINDER) fixing bolts (BOLT) (307).

또한, 상기 콘트롤 플레이트(CONTROL PLATE)(302) 안쪽으로 미제품을 냉각할 수 있는 다수의 냉각공기(AIR)분사 홀(HOLE)(303)을 제작하고 냉각공기(AIR)의 분사효율 향상을 위하여 분사 홀(HOLE)(303)을 입구측(303a)은 크게하고 출구측(303b)은 작게 한다.In addition, to manufacture a plurality of cooling air (AIR) injection hole (HOLE) 303 that can cool the product inside the control plate (302) and to improve the injection efficiency of the cooling air (AIR) The injection hole (HOLE) 303 is made larger at the inlet side 303a and the outlet side 303b is made smaller.

그리고, 상기 냉각 공기(AIR) 분사량은 연소공기 브로워 덕트(BLOWER DUCT)(114)에 냉각공기투입 홀(HOLE) 라인(LINE)(301a)을 콘트롤 플레이트(CONTROL PLATE)(302)의 냉각공기투입 홀(HOLE)(301)로 연결 고정시키고, 유압 실린더(CYLINDER)(308) 작동시 냉각 공기투입 홀 에어라인(301a)의 유동을 위해제 유동용 호스(FLXIBLE HOSE)(311)를 연결시키며, 유동용 호스(FLXIBLE HOSE)(311)전단에 제품온도계(106)의 온도센서(SENSOR)에 의해 오픈(OPEN) 크로스(CLOSE)되어 냉각공기(AIR)가 투입,단절될 수 있도록 전동 밸브(VALVE)(314)를 설치한다.In addition, the cooling air (AIR) injection amount is the cooling air input of the control plate (CONTROL PLATE) 302 to the cooling air injection hole (LINE) line (301a) in the combustion air blower duct (BLOWER DUCT) 114 It is connected to the hole (301), the hydraulic cylinder (CYLINDER) 308 when operating the cooling air inlet hole for the flow of the air line (301a) to connect the fluid hose (FLXIBLE HOSE) 311, OPEN cross is opened by the temperature sensor 106 of the product thermometer 106 at the front end of the FLOSE HOSE 311 so that the cooling air can be injected and disconnected. 314).

계속하여, 상기 유압 실린더(308) 작동시 콘트롤 플레이트(CONTROL PLATE)(302)의 하부에서 발생하는 유동현상을 방지하기 위하여 콘트롤 플레이트(CONTROL PLATE)(302) 하부에 콘트롤 플레이트(CONTROL PLATE) 지지대(313)를 설치하여 쉘(SHEEL)(118)의 안쪽에 고정하는 구성으로 이루어 진다.Subsequently, in order to prevent a flow phenomenon occurring at the bottom of the control plate 302 during operation of the hydraulic cylinder 308, a control plate support on the bottom of the control plate 302 313 is installed and consists of a configuration that is fixed to the inside of the shell (SHEEL) 118.

이와같은 구성으로 이루어진 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention made of such a configuration as follows.

도3내지 도6에서와 같이, 미제품발생으로 인한 제품온도 상승시 유압 실린더(CYLINDER)(308)가 작동되면 유압실린더(CYLINDER)(308)에 부착된 콘트롤 플레이트(CONTROL PLATE)(302)가 하부에 부착된 콘트롤 플레이트(CONTROL PLATE) 지지대(313)를 경유하여 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)(107)의 상측으로 이동하여 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)(107)이 레벨(LEVEL)로 이동하여 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)(107)이 레벨(LEVEL)(102)에 의해 작동하여도 제품이 벙커(BURKER)(110)로 투입되지 않도록 하였으며 콘트롤 플레이트(CONTROL PLATE)(303)에 연결된 냉각공기(AIR)투입 홀(HOLE) 에어라인(AIR LINE)(301a)에 설치된 전동밸브(VALVE)(314)가 오픈(OPEN)되어 냉각공기(AIR)가 투입 홀(HOLE)(301)을 경유 콘트롤 플레이트(CONTROL PLATE)(302) 내부에 설치된 냉각공기(AIR)분사 홀(HOLE)를 통과하여 휠 디스챠지 테이블(WHEEL DISCHARGE TABLE)9107) 상부에 위치한 제품으로 분사될 수 있도록 하였다.3 to 6, when the hydraulic cylinder (CYLINDER 308) is operated when the product temperature rises due to unproduct generation, the control plate (302) attached to the hydraulic cylinder (CYLINDER) 308 is The wheel discharge table 107 moves to the upper side of the wheel discharge table 107 via a control plate support 313 attached to the lower part, and the wheel discharge table 107 is leveled. ) To ensure that the wheel discharge table 107 does not feed into the bunker 110 even if the wheel discharge table 107 is operated by the level 102. Cooling air (HOLE) connected to 303 Air valve (VALVE) 314 installed in the air line (301a) is opened to open the cooling air (AIR) injection hole (HOLE) 301 is passed through the cooling air (HOLE) injection hole (HOLE) installed inside the control plate (302) The wheel discharge table (WHEEL DISCHARGE TABLE) 9107 was designed to be sprayed onto the product.

이때, 상기 유압 실린더(CYLINDER)(308) 작동시 유동용 호스(FLXIBLE HOSE)(311)에 의해 냉각공기(AIR) 투입 홀(HOLE) 에어 라인(AIR LINE)(301a)이 유동될 수 있도록 하였다.At this time, when the hydraulic cylinder (CYLINDER) 308 is operated by the flow hose (FLXIBLE HOSE) 311 to allow the cooling air (AIR) inlet hole (AIR) air line (AIR LINE) (301a) to flow.

또한, 제품 온도가 다운(DOWN)되면 전동밸브(VALVE)(314)가 크로스(CLOSS)된후 유압실린더(308)가 작동하여 콘트롤 플레이트(CONTROL PLATE)지지대(313)를 경유하여 원 위치로 이동할 수 있도록 하였으며 이로 인한 미 제품 발생을 방지하여 정상 제품을 제조할 수 있도록 하였다.In addition, when the product temperature is down, the hydraulic valve 308 is operated after the electric valve 314 is crossed to move to the original position via the control plate support 313. This prevented the occurrence of US products, thereby making it possible to manufacture normal products.

이상과 같이 본 발명에 따른 수직 소성로의 소성도 및 온도제어장치에 의하면, 생석회 중에 미 제품발생으로 인하여 정상으로 처리하지 못하고 부접합 제품으로 2차 가공후 사용하거나 또는 미 제품 발생시 냉각효율이 저하되어 온도가 급격히 상승하므로써 발생되는 제품의 화재 위험을 미연에 방지하기 위하여 휠 디스챠지 테이블에 소성도및 온도제어 장치를 설치하므로서 미 제품 발생을 방지하여 정상 제품을 생산할 수 있도록 하는 효과가 있다.As described above, according to the firing degree and the temperature control device of the vertical kiln according to the present invention, due to the occurrence of unproducts during quicklime can not be processed normally, after the secondary processing as a non-bonded product or the cooling efficiency is lowered when the unproducts are generated In order to prevent the risk of fire caused by the rapid rise of temperature, the firing degree and temperature control device are installed on the wheel discharge table, thereby preventing the occurrence of US products and producing the normal products.

Claims (4)

쉘의 상측에 휠 디스챠지 테이블이 설치되는 수직 소성로에 있어서,In a vertical kiln in which a wheel discharge table is provided above the shell, 상기 휠 디스챠지 테이블(107)의 상측에서 이동토록 유압 실린더(308)에 실린더 연결플레이트(304)로서 연결되는 콘트롤 플레이트(302)가 설치되고, 상기 콘트롤 플레이트(302)에 냉각공기 투입홀 라인(301a)이 연결되며, 상기 콘트롤 플레이트(302) 안쪽으로 냉각공기 분사홀(303)이 일체로 형성되는 것을 특징으로 하는 수직 소성로의 소성도 및 온도제어장치A control plate 302 connected to the hydraulic cylinder 308 as a cylinder connecting plate 304 is installed to move from the upper side of the wheel discharge table 107, and a cooling air inlet hole line (to the control plate 302) is installed. 301a is connected, the firing degree and temperature control apparatus of the vertical kiln, characterized in that the cooling air injection hole 303 is integrally formed inside the control plate 302 제1항에 있어서, 상기 콘트롤 플레이트(302)에 형성되는 냉각공기 분사홀(303)은, 냉각공기 분사효율을 향상토록 분사 홀의 입구측 직경은 크게하고 출구측 직경은 작게 형성되는 것을 특징으로 하는 수직 소성로의 소성도 및 온도제어장치The cooling air injection hole 303 formed in the control plate 302 is formed with a larger inlet diameter and a smaller outlet diameter in order to improve the cooling air injection efficiency. Firing degree and temperature control device of vertical kiln 제1항에 있어서, 상기 쉘(313)의 상측에 설치되는 콘트롤 플레이트(302)는, 하부 유동 현상을 방지토록 저면에 지지대(313)가 설치되어 쉘(118)의 안쪽에 고정토록 되는 것을 특징으로 하는 수직 소성로의 소성도 및 온도제어장치The method of claim 1, wherein the control plate 302 is installed on the upper side of the shell 313, the support 313 is installed on the bottom to prevent the bottom flow phenomenon is fixed to the inside of the shell 118. Firing degree and temperature control system of vertical kiln 제1항에 있어서, 상기 실린더 연결 플레이트(304)는, 그 일측에 고정 홀(304a)이 형성되어 이에 실린더 연결 고정 플레이트 볼트(306)로 고정되는 것을특징으로 하는 수직 소성로의 소성도 및 온도제어장치2. The firing degree and temperature control of the vertical firing furnace according to claim 1, wherein the cylinder connecting plate 304 has a fixing hole 304a formed at one side thereof and is fixed to the cylinder connecting fixing plate bolt 306. Device
KR1019990063302A 1999-12-28 1999-12-28 An apparatus for controlling firing degree and temperature of shaft kiln KR100627463B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775258B1 (en) * 2001-12-03 2007-11-12 주식회사 포스코 Apparatus and method for controlling pushing in rotary kiln
KR100838840B1 (en) * 2001-12-24 2008-06-17 주식회사 포스코 Bending Prevention Apparatus in the case of Thermal Expansion of Discharge
KR100878689B1 (en) * 2002-12-16 2009-01-13 주식회사 포스코 An apparatus for pre-heating of rotary kiln

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100894056B1 (en) * 2002-10-15 2009-04-21 주식회사 포스코 Device for protecting closure of port for recuperator in shaft kiln
KR101244860B1 (en) 2011-06-07 2013-03-18 주식회사 백광소재 Discharging apparatus for fire-product in the shaft kiln

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06331276A (en) * 1993-05-25 1994-11-29 Taiyo Chuki Co Ltd Shaft type dissolving furnace using gas or liquid fuel
JP2987026B2 (en) * 1993-05-31 1999-12-06 黒崎窯業株式会社 In-furnace hanging sprayer with orbiting nozzle
KR0170050B1 (en) * 1995-07-26 1999-02-18 다쯔 지사끼 Vertical furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775258B1 (en) * 2001-12-03 2007-11-12 주식회사 포스코 Apparatus and method for controlling pushing in rotary kiln
KR100838840B1 (en) * 2001-12-24 2008-06-17 주식회사 포스코 Bending Prevention Apparatus in the case of Thermal Expansion of Discharge
KR100878689B1 (en) * 2002-12-16 2009-01-13 주식회사 포스코 An apparatus for pre-heating of rotary kiln

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