TWI452126B - Method of repairing coke furnace - Google Patents
Method of repairing coke furnace Download PDFInfo
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- TWI452126B TWI452126B TW100106487A TW100106487A TWI452126B TW I452126 B TWI452126 B TW I452126B TW 100106487 A TW100106487 A TW 100106487A TW 100106487 A TW100106487 A TW 100106487A TW I452126 B TWI452126 B TW I452126B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B45/00—Other details
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/06—Preventing or repairing leakages of the brickwork
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Description
本發明是有關於一種焦炭爐的修補方法,該焦炭爐的修補方法是利用熱來部分地對構成將炭化室與燃燒室予以隔開的爐壁的炭化室磚進行堆換,藉此來對焦炭爐進行修補。The invention relates to a method for repairing a coke oven, wherein the method for repairing the coke oven is to partially replace the carbonization chamber bricks constituting the furnace wall separating the carbonization chamber from the combustion chamber by using heat, thereby The coke oven is repaired.
焦炭爐是藉由將炭化室與將熱供給至炭化室的燃燒室交替地配置於爐寬方向而構成。於該焦炭爐中,經由將炭化室與燃燒室予以隔開的炭化室的爐壁(炭化室磚),將熱自燃燒室供給至炭化室。投入至該炭化室的煤因自燃燒室供給的熱而被加熱,藉此來乾餾為焦炭,產生的焦炭被自炭化室的一個窯口擠出。The coke oven is configured by alternately arranging a carbonization chamber and a combustion chamber that supplies heat to the carbonization chamber in the furnace width direction. In the coke oven, heat is supplied from the combustion chamber to the carbonization chamber via a furnace wall (carbonization chamber brick) of the carbonization chamber that separates the carbonization chamber from the combustion chamber. The coal charged into the carbonization chamber is heated by the heat supplied from the combustion chamber, thereby being dry-distilled into coke, and the generated coke is extruded from a kiln opening of the carbonization chamber.
炭化室磚因操作的重複而承受劇烈的熱循環。焦炭爐若冷卻至常溫為止,則炭化室磚會產生急遽減少的體積變化,因此,一旦開始操作而達到高溫狀態之後,炭化室磚會被連續地使用至壽命耗盡為止。因此,於焦炭爐中,檢查炭化室磚是否存在龜裂或缺角等的損傷,根據需要而進行如下的作業,即,藉由噴塗來進行修補,或藉由熱堆換來部分地對炭化室磚進行修補。The carbonization chamber bricks are subjected to intense thermal cycling due to repeated operations. When the coke oven is cooled to a normal temperature, the carbonization chamber bricks are suddenly reduced in volume. Therefore, once the operation is started and the high temperature state is reached, the carbonization chamber bricks are continuously used until the life is exhausted. Therefore, in the coke oven, it is checked whether there is damage such as cracks or corners in the carbonization chamber brick, and if necessary, the following operations are performed, that is, repair by spraying, or partial carbonization by heat pile replacement. The room bricks are repaired.
藉由熱堆換來部分地對炭化室磚進行修補的修補作業,例如是以專利文獻1所揭示的方法來實施。於該方法中,暫時地使進行熱堆換的炭化室的操作停止,保留進行堆換作業的範圍而對炭化室磚實施隔熱施工之後,進行對於修補部分的炭化室磚的堆換作業。The repairing operation for partially repairing the carbonization chamber brick by the heat pile is carried out, for example, by the method disclosed in Patent Document 1. In this method, the operation of the carbonization chamber in which the heat stacking is performed is temporarily stopped, and the carbonization chamber brick is subjected to the heat insulating construction while the range of the stacking operation is retained, and then the stacking operation of the carbonized chamber brick for the repaired portion is performed.
[先行技術文獻][Advanced technical literature]
[專利文獻][Patent Literature]
[專利文獻1]:日本專利特開2008-169315號公報[Patent Document 1]: Japanese Patent Laid-Open Publication No. 2008-169315
根據上述方法,實施部分堆換的部分的溫度下降至作業環境為止。此時,為了保護不進行堆換的炭化室磚(原有磚),必須對原有磚進行保熱。因此,於上述方法中,使原有磚側的爐繼續燃燒,藉此來確保用以進行保熱的溫度。According to the above method, the temperature of the portion where the partial stacking is performed is lowered to the working environment. At this time, in order to protect the carbonized room bricks (original bricks) that are not to be stacked, the original bricks must be kept warm. Therefore, in the above method, the furnace on the original brick side is continuously burned, thereby ensuring the temperature for maintaining heat.
然而,當原有磚側的爐繼續燃燒時,由於煙囪拔風(chimney draft),原有磚側的燃燒室內成為負壓。因此,在處於部分堆換的邊界附近的新舊磚的接縫附近會產生空氣抽吸,原有磚的溫度下降。該溫度的下降導致原有磚的壽命變差。因此,於上述方法中,必須結實地進行隔熱施工以消除間隙。However, when the original brick side furnace continues to burn, due to the chimney draft, the original brick side combustion chamber becomes a negative pressure. Therefore, air suction occurs in the vicinity of the joint of the new and old bricks near the boundary of the partial stacking, and the temperature of the original brick is lowered. This drop in temperature causes the life of the original brick to deteriorate. Therefore, in the above method, it is necessary to perform the heat insulation construction firmly to eliminate the gap.
又,於原有磚側的爐繼續燃燒的情形下,當在室內進行修補作業時,無法雙重地阻斷氣體。因此,於上述方法中,在室內進行作業的作業員不得不裝備空氣管(air line),且亦必須充分地採取安全方面的措施。Moreover, in the case where the furnace on the original brick side continues to burn, when the repair work is performed indoors, the gas cannot be double blocked. Therefore, in the above method, the operator who performs the work indoors has to equip the air line, and it is also necessary to take safety measures sufficiently.
本發明是著眼於如上所述的方面的發明,本發明的目的在於提供一種焦炭爐的修補方法,該焦炭爐的修補方法可抑制不進行修補的現有磚的溫度的下降,且可容易地進行利用熱來對炭化室磚進行部分堆換的作業。The present invention has been made in view of the above-described aspects, and an object of the present invention is to provide a method for repairing a coke oven which can suppress a temperature drop of an existing brick which is not repaired, and can be easily performed. The heat is used to partially replace the carbonization chamber bricks.
本發明是一種焦炭爐的修補方法,將焦炭爐作為對象,利用熱來部分地對構成將燃燒室與炭化室予以隔開的炭化室的爐壁的炭化室磚進行堆換且進行修補,上述焦炭爐的各燃燒室為分割為兩個室的構造,並且上述焦炭爐包括連通於上述各室的個別的蓄熱室,且包括可使氣體在上述經分割的兩個室之間通過的室間氣體通過部,於進行部分堆換的磚側的上述燃燒室中,暫時地使將上述經分割的兩個室之間予以連通的上述室間氣體通過部閉塞,並且暫時分別將連通於經分割的各室的蓄熱室中的氣體導入排出口予以閉塞,於該狀態下,對上述磚進行部分堆換。The present invention relates to a method for repairing a coke oven, in which a coke oven is used as a target, and heat is used to partially replace and repair a carbonization chamber brick constituting a furnace wall of a carbonization chamber that separates a combustion chamber from a carbonization chamber. Each combustion chamber of the coke oven is configured to be divided into two chambers, and the coke oven includes individual regenerators connected to the respective chambers, and includes inter-chambers that allow gas to pass between the divided two chambers. The gas passage portion temporarily closes the inter-chamber gas passage portion that communicates between the divided two chambers in the combustion chamber on the side of the brick that is partially replaced, and temporarily connects to the divided portion. The gas introduction and discharge ports in the regenerators of the respective chambers are closed, and in this state, the bricks are partially replaced.
本發明是一種焦炭爐的修補方法,利用熱來部分地對構成將燃燒室與炭化室予以隔開的炭化室的爐壁的炭化室磚進行堆換且進行修補,將連通於進行部分堆換的磚側的上述燃燒室的蓄熱室的氣體導入排出口予以閉塞,且於進行上述部分堆換的磚側的燃燒室中,將進行部分堆換的部分的垂直焰道與不進行堆換的垂直焰道的連通部予以閉塞,於該狀態下,對上述磚進行部分堆換。The invention relates to a method for repairing a coke oven, which uses heat to partially replace and repair a carbonization chamber brick constituting a furnace wall of a carbonization chamber separating a combustion chamber from a carbonization chamber, and is connected to perform partial replacement. The gas introduction discharge port of the regenerator of the combustion chamber on the brick side is closed, and in the combustion chamber on the brick side where the partial replacement is performed, the vertical flame path of the partially-replaced portion is not replaced. The communication portion of the vertical flame path is closed, and in this state, the brick is partially replaced.
根據本發明,可抑制不進行修補的現有磚的溫度的下降,且可容易地進行利用熱來對炭化室磚進行部分堆換的作業。According to the present invention, it is possible to suppress the temperature drop of the existing brick which is not repaired, and it is possible to easily carry out the work of partially stacking the carbonization chamber brick by heat.
接著,參照圖式來對本發明的實施形態進行說明。於本實施形態中,以史蒂爾式(Carl Still type)焦炭爐作為例子來對焦炭爐進行說明。史蒂爾式焦炭爐的燃燒室以及蓄熱室均為兩分式立火道構造。亦即,史蒂爾式焦炭爐一面適當交替地切換如下的處理,一面進行燃燒,該處理是自燃燒室以及蓄熱室中的一個室將空氣以及貧氣(lean gas)予以導入,並且自燃燒室以及蓄熱室中的另一個室將廢氣予以排出的處理。Next, an embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a charcoal stove is described by taking a Carl Still type coke oven as an example. The combustion chamber and regenerator of the Steyr-type coke oven are two-part vertical fire tunnel construction. That is, the Steyr-type coke oven is subjected to combustion by alternately switching the following processes, and the process is to introduce air and lean gas from a chamber in the combustion chamber and the regenerator, and self-combustion. The chamber and the other chamber in the regenerator discharge the exhaust gas.
爐的構成Composition of the furnace
如圖1所示,本實施形態的焦炭爐為炭化室1與燃燒室2交替地排列而成的構造。炭化室1藉由構成炭化室1的爐壁的炭化室磚3而與相鄰的燃燒室2隔開。As shown in Fig. 1, the coke oven of the present embodiment has a structure in which the carbonization chamber 1 and the combustion chamber 2 are alternately arranged. The carbonization chamber 1 is separated from the adjacent combustion chamber 2 by the carbonization chamber brick 3 constituting the furnace wall of the carbonization chamber 1.
如圖1以及圖2所示,各燃燒室2藉由垂直焰道磚等的間隔磚4,沿著爐長方向而每隔規定間隔地劃分為多個垂直焰道2a。多個垂直焰道2a的上部連通。亦即,垂直焰道2a的上部利用上部水平煙道2b而連通。各燃燒室2於長度方向的途中位置分割為第1燃燒室2A與第2燃燒室2B該兩個室。上部水平煙道2b於第1燃燒室2A與第2燃燒室2B的邊界位置處被一分為二。第1燃燒室2A與第2燃燒室2B處於利用由如圖3所示的開口構成的一個或兩個以上的室間氣體通過部5而連通的狀態。As shown in FIG. 1 and FIG. 2, each of the combustion chambers 2 is divided into a plurality of vertical flame passages 2a at predetermined intervals along the length of the furnace by spacer bricks 4 such as vertical flame duct bricks. The upper portions of the plurality of vertical flame paths 2a are in communication. That is, the upper portion of the vertical flame path 2a is communicated by the upper horizontal flue 2b. Each of the combustion chambers 2 is divided into two chambers, a first combustion chamber 2A and a second combustion chamber 2B, at a midway position in the longitudinal direction. The upper horizontal flue 2b is divided into two at the boundary position between the first combustion chamber 2A and the second combustion chamber 2B. The first combustion chamber 2A and the second combustion chamber 2B are in a state of being communicated by one or two or more inter-chamber gas passage portions 5 constituted by openings as shown in FIG. 3 .
如圖2所示,於各燃燒室2的下方配置有個別的蓄熱室6。各蓄熱室6連通於各垂直焰道2a的下部。蓄熱室6對應於燃燒室2的一分為二的構造,於長度方向的途中位置分割為第1蓄熱室6A與第2蓄熱室6B該兩個室。第1蓄熱室6A與第2蓄熱室6B相獨立。於第1蓄熱室6A以及第2蓄熱室6B中,分別設置有用以自外部將氣體予以導入以及用以將氣體排出至外部的個別的氣體導入排出口 7。As shown in FIG. 2, an individual regenerator 6 is disposed below each combustion chamber 2. Each of the regenerators 6 is in communication with a lower portion of each of the vertical flame passages 2a. The regenerator 6 corresponds to the structure in which the combustion chamber 2 is divided into two, and is divided into the first chambers of the first regenerator 6A and the second regenerator 6B at the intermediate position in the longitudinal direction. The first regenerator 6A is independent of the second regenerator 6B. In the first regenerator 6A and the second regenerator 6B, separate gas introduction and discharge ports for introducing gas from the outside and discharging the gas to the outside are provided. 7.
修補方法Repair method
如圖4所示,以如下的情形作為例子來進行說明,即,將#64以及#65的炭化室1的炭化室磚作為修補對象,利用熱來對該#64以及#65的炭化室1的位於第1燃燒室2A側(圖4中左側的室)的一部分的炭化室磚3(圖4所示的堆換範圍R)進行部分修補。As shown in FIG. 4, the carbonization chamber 1 of the carbonization chamber 1 of #64 and #65 is used as a repair target, and the carbonization chamber 1 of #64 and #65 is heated by heat. The carbonization chamber brick 3 (the stacking range R shown in FIG. 4) located on the first combustion chamber 2A side (the chamber on the left side in FIG. 4) is partially repaired.
對於該修補方法而言,首先,作業員進行修補準備作業。具體而言,作業員將位於#64以及#65的炭化室1之間的X65的燃燒室2即進行部分修補的磚側的X65的燃燒室2、以及連通於X65的燃燒室2的蓄熱室6作為對象來進行閉塞處理。亦即,如圖5所示,作業員利用第1閉塞構件10來將個別地連通於構成蓄熱室6的第1蓄熱室6A以及第2蓄熱室6B的各氣體導入排出口7予以閉塞。For this repair method, first, the operator performs a repair preparation work. Specifically, the operator sets the combustion chamber 2 of X65 between the carbonization chambers 1 of #64 and #65, that is, the combustion chamber 2 of the X65 which is partially repaired, and the regenerator of the combustion chamber 2 that communicates with X65. 6 is occluded as an object. In other words, as shown in FIG. 5, the operator closes the respective gas introduction discharge ports 7 that are individually communicated with the first heat storage chamber 6A and the second heat storage chamber 6B that constitute the heat storage chamber 6 by the first closing member 10.
第1閉塞構件10具有如圖6所示的構造。亦即,如圖6所示,第1閉塞構件10包括:立設於水平板10a的遮蔽板10b、與將該遮蔽板10b的周圍予以覆蓋且具有彈性的隔熱構件10c。遮蔽板10b例如由鋼板構成。隔熱構件10c例如由陶瓷棉(ceramic wool)構成,將該陶瓷棉捲繞於遮蔽板10b,藉此來將隔熱構件10c安裝於遮蔽板10b的整個外周。遮蔽板10b是以尺寸比氣體導入排出口7的入口的剖面形狀稍小的形狀而形成,且可插入至氣體導入排出口7的入口內。由於遮蔽板10b的周圍被隔熱構件10c覆蓋,因此,藉由隔熱構件10c來將氣體導入排出口7與遮蔽板10b之間的間隙予以密封。亦即,隔熱構件10c成為密封構件。第1閉塞構件10不限定於上述構成,只要為可對氣體導入排出口7進行密封的構造的構件,則可用作第1閉塞構件10。The first occluding member 10 has a configuration as shown in FIG. 6. That is, as shown in FIG. 6, the first closing member 10 includes a shielding plate 10b that is erected on the horizontal plate 10a, and a heat insulating member 10c that covers the periphery of the shielding plate 10b and has elasticity. The shielding plate 10b is composed of, for example, a steel plate. The heat insulating member 10c is made of, for example, ceramic wool, and the ceramic wool is wound around the shielding plate 10b, whereby the heat insulating member 10c is attached to the entire outer periphery of the shielding plate 10b. The shielding plate 10b is formed in a shape slightly smaller than the cross-sectional shape of the inlet of the gas introduction discharge port 7, and can be inserted into the inlet of the gas introduction discharge port 7. Since the periphery of the shield plate 10b is covered by the heat insulating member 10c, the gap between the gas introduction discharge port 7 and the shield plate 10b is sealed by the heat insulating member 10c. That is, the heat insulating member 10c serves as a sealing member. The first closing member 10 is not limited to the above-described configuration, and may be used as the first closing member 10 as long as it is a member that can seal the gas introduction discharge port 7 .
接著,作業員利用第2閉塞構件來將室間氣體通過部5予以閉塞,該室間氣體通過部5將X65的燃燒室2中的第1燃燒室2A與第2燃燒室2B予以連通。第2閉塞構件例如使用將陶瓷棉11捲為輥狀而成的構件即可。如圖7所示,將捲為輥狀的陶瓷棉11插入至室間氣體通過部5,藉此,可利用陶瓷棉11的彈力來將室間氣體通過部5予以閉塞。如圖5所示,預先利用由陶瓷棉等構成的隔熱構件12來將上部水平煙道2b予以閉塞,該上部水平煙道2b位於處於修補側的第1燃燒室2A中的進行堆換的磚與不進行堆換的磚的邊界。Next, the operator closes the inter-chamber gas passage portion 5 by the second closing member, and the inter-chamber gas passage portion 5 communicates the first combustion chamber 2A and the second combustion chamber 2B in the combustion chamber 2 of X65. For example, a member in which the ceramic wool 11 is wound into a roll shape may be used as the second closing member. As shown in Fig. 7, the ceramic wool 11 wound in a roll shape is inserted into the inter-chamber gas passage portion 5, whereby the inter-chamber gas passage portion 5 can be closed by the elastic force of the ceramic wool 11. As shown in Fig. 5, the upper horizontal flue 2b is closed in advance by a heat insulating member 12 made of ceramic wool or the like, and the upper horizontal flue 2b is placed in the first combustion chamber 2A on the repair side for stacking. The boundary between bricks and bricks that are not stacked.
接著,如圖4所示,作業員將隔熱塊自修補側的炭化室1的風門側(圖4的左側)放入至#64以及#65的炭化室1內的符號50的位置為止,將隔熱塊堆積至比進行部分修補的炭化室磚3與不修補的炭化室磚3的邊界位置更靠非修補側的位置。藉此,可於隔熱狀態下,利用隔熱塊來將修補側與不修補側的邊界予以阻斷。當將隔熱塊裝入至室內時,例如以日本專利特開2009-286835號公報所揭示的方式,使用搬送台車來進行裝入即可。Next, as shown in FIG. 4, the operator puts the heat insulating block from the damper side (the left side in FIG. 4) of the carbonization chamber 1 on the repair side to the position of the symbol 50 in the carbonization chamber 1 of #64 and #65, The heat insulating block is stacked to a position closer to the non-repair side than the boundary position between the carbonized chamber brick 3 and the unrepaired carbonization chamber brick 3 which are partially repaired. Thereby, the boundary between the repaired side and the unpatched side can be blocked by the heat insulating block in the heat insulating state. When the heat insulating block is placed in the room, it may be carried out by using a transfer trolley, for example, as disclosed in Japanese Laid-Open Patent Publication No. 2009-286835.
如圖8所示,隔熱塊13是利用條帶(band)13b來約束將板狀或塊狀的陶瓷棉13a蜿蜒地彎折而達到壓縮狀態的陶瓷棉。如圖9所示,將隔熱塊13配置於炭化室1內的上述位置之後,將條帶13b拆下,藉此,壓縮狀態的陶瓷棉可利用自身的復原力而恢復至原來的大小,以將炭化室1內暫時分斷為兩個室的方式進行閉塞。As shown in Fig. 8, the heat insulating block 13 is a ceramic wool which is restrained by bending a plate-like or block-shaped ceramic wool 13a to a compressed state by means of a band 13b. As shown in Fig. 9, after the heat insulating block 13 is placed at the above position in the carbonization chamber 1, the strip 13b is removed, whereby the ceramic wool in a compressed state can be restored to its original size by its own restoring force. The clogging is performed in such a manner that the inside of the carbonization chamber 1 is temporarily divided into two chambers.
接著,作業員於閉塞處理之後,如圖4所示,沿著作為對象的炭化室1中的不修補側的炭化室磚(X64以及X66的燃燒室2側的磚)來建設隔熱材料14並予以保護,藉此來確保X64以及X66的燃燒室2側的磚的保溫。Then, after the occlusion process, the operator constructs the heat insulating material 14 along the unrepaired side carbonization chamber bricks (the bricks on the combustion chamber 2 side of X64 and X66) in the carbonization chamber 1 to be targeted as shown in FIG. It is also protected to ensure the insulation of the bricks on the side of the combustion chamber 2 of the X64 and X66.
接著,如圖9所示,作業員將防突出構件15配置於堆積的隔熱塊13的近前(修補側)即進行部分修補的炭化室磚3與不修補的炭化室磚3的邊界位置附近。防突出構件15架設於炭化室1的相對向的爐壁之間,防止炭化室磚3朝炭化室1側突出。藉由配置支持磚來實現本實施形態的防突出構件15。Next, as shown in FIG. 9, the worker arranges the anti-projection member 15 in the vicinity of the boundary position of the carbonization chamber brick 3 which is partially repaired, which is the front side (repair side) of the stacked heat insulating block 13, and the carbonization chamber brick 3 which is not repaired. . The anti-protrusion member 15 is placed between the opposing furnace walls of the carbonization chamber 1 to prevent the carbonization chamber bricks 3 from protruding toward the carbonization chamber 1 side. The anti-projection member 15 of the present embodiment is realized by arranging the support bricks.
支持磚架設於相對向的爐壁之間,例如藉由橫向地並排配置兩個並排形磚來構成該支持磚。作業員將包含上述兩個並排形磚的組合每隔規定間隔地配置於上下方向。作業員以保持著上下的並排形磚之間的間隔且進行支持的方式,將朝向上下的支柱磚配置於長度方向上且保持高度位置。作業員預先配合炭化室1的尺寸來對並排形磚實施加工。當在升溫之前配置支持磚時,作業員預先使支持磚與爐壁之間稍微具有餘裕,藉此來達到允許炭化室磚3稍微突出的狀態。亦即,作業員預先使支持磚不會過分地約束炭化室磚3。The support bricks are placed between the opposing furnace walls, for example by laterally arranging two side-by-side bricks to form the support bricks. The operator arranges the combination of the two side-by-side bricks in the vertical direction at regular intervals. The worker arranges the pillar bricks facing the upper and lower sides in the longitudinal direction and maintains the height position so as to maintain the interval between the upper and lower side-by-side bricks. The operator preliminarily cooperates with the size of the carbonization chamber 1 to process the side-by-side bricks. When the supporting brick is disposed before the temperature rise, the operator has a margin between the supporting brick and the furnace wall in advance, thereby achieving a state in which the carbonization chamber brick 3 is allowed to slightly protrude. That is, the operator preliminarily causes the supporting bricks to not excessively restrain the carbonization chamber bricks 3.
作業員亦可於磚解體之前設置支持磚,使用該支持磚來防止因磚解體時的溫度下降導致磚壁突出。於設置隔熱塊13之後,將室間氣體通過部5予以閉塞即可。於上述狀態下,作業員對於進行部分修補的炭化室磚3以及位於該炭化室磚3之間的間隔磚4進行堆換。The operator can also set a support brick before the brick disintegrates, and use the support brick to prevent the brick wall from protruding due to the temperature drop when the brick is disassembled. After the heat insulating block 13 is provided, the inter-chamber gas passage portion 5 may be closed. In the above state, the operator exchanges the partially-repaired carbonization chamber brick 3 and the partition brick 4 located between the carbonization chamber bricks 3.
接著,作業員於自氣體導入排出口7以及室間氣體通過部5將閉塞構件予以解除之後,在設置有作為防突出構件15的支持磚的狀態下,將爐升溫至磚的變態點(例如600℃)以上。作業員於升溫至目標溫度為止之後,自窯口將長的棒狀的夾具予以插入,接著進行推拉,藉此來將支持磚予以粉碎,從而將支持磚或隔熱塊等的隔熱材料予以撤除。Then, after the operator releases the closing member from the gas introduction discharge port 7 and the inter-chamber gas passage portion 5, the furnace is heated to the abnormal point of the brick in a state where the support brick as the protrusion preventing member 15 is provided (for example) 600 ° C) or more. After the temperature rises to the target temperature, the operator inserts a long rod-shaped jig from the kiln opening, and then pushes and pulls it to pulverize the supporting brick to heat the insulating material such as the supporting brick or the insulating block. Removal.
接著,作業員對不修補部分與修補部分的邊界部的接縫實施噴出噴塗材料的噴塗施工,從而填埋接縫部分。此時,較為理想的是不會膨脹吸收且突出。然而,實際上,存在以邊界部為中心而稍微突出的變形。一般認為上述情形的主要理由在於:現有磚與新磚的膨脹特性不同。因此,作業員除了對邊界部進行噴塗施工之外,亦對產生了突出變形的部分進行噴塗施工。Next, the operator applies a spray coating of the sprayed spray material to the joint of the portion of the portion where the repaired portion and the repaired portion are not repaired, thereby filling the joint portion. At this time, it is desirable that it does not swell and absorb and protrude. However, actually, there is a deformation that is slightly protruded around the boundary portion. The main reason for the above situation is generally considered to be that the expansion characteristics of existing bricks and new bricks are different. Therefore, in addition to spraying the boundary portion, the operator also sprays the portion where the protruding deformation occurs.
最後,作業員利用噴砂機等的研磨裝置來對朝炭化室1側突出的變形部分進行切割以進行整形。然後,作業員使爐重新開始工作。Finally, the operator cuts the deformed portion that protrudes toward the carbonization chamber 1 side by a grinding device such as a sand blasting machine to perform shaping. The operator then restarts the furnace.
於本實施形態的焦炭爐的修補方法中,作業員停止將氣流導入至利用作為部分堆換的對象的炭化室磚3來形成 爐壁的一部分之燃燒室2內以及停止將上述氣流予以排出,藉此來防止不進行堆換的原有磚部分的燃燒室2成為負壓。此時,不進行修補的一側的第2蓄熱室6B、以及連通於該第2蓄熱室6B的第2燃燒室2B形成封閉的空間。In the method for repairing a coke oven according to the present embodiment, the worker stops the introduction of the airflow to the carbonization chamber brick 3 which is the target of the partial stacking. The combustion chamber 2 of the original brick portion which is not subjected to stacking is prevented from becoming a negative pressure in the combustion chamber 2 of a part of the furnace wall and by stopping the discharge of the above airflow. At this time, the second regenerator 6B on the side where the repair is not performed and the second combustion chamber 2B that communicates with the second regenerator 6B form a closed space.
亦即,將作為對象的燃燒室2中的氣體導入排出口7予以閉塞,藉此,構成燃燒室2的兩個室中的不對磚進行部分堆換的一側即第2燃燒室2B成為保溫狀態,從而可對位於與第2燃燒室2B相鄰的位置的炭化室1(空室)進行保溫。此時,藉由來自不進行部分修補的X64、X66的燃燒室2的熱來實施保溫。In other words, the gas introduction/discharge port 7 in the combustion chamber 2 to be the target is closed, whereby the second combustion chamber 2B, which is a side that does not partially replace the brick among the two chambers constituting the combustion chamber 2, is insulated. In a state, the carbonization chamber 1 (empty chamber) located at a position adjacent to the second combustion chamber 2B can be kept warm. At this time, heat retention is performed by heat from the combustion chamber 2 of X64 and X66 which are not partially repaired.
實際上,對保溫狀態的第2燃燒室2B的溫度進行測定之後,於修補作業過程中,爐長中央部位置處總是為800℃以上,端部亦可確保600℃以上的溫度。於#64、#65的炭化室中,在比圖4中的符號50更靠右側的原有磚側的室內,來自X64、X66的燃燒室的導熱量比自風門面、隔熱塊13、以及爐頂板釋放的散熱量更大,因此,溫度不會下降。Actually, after the temperature of the second combustion chamber 2B in the heat-insulated state is measured, the center portion of the furnace length is always 800 ° C or more during the repairing operation, and the end portion can also ensure a temperature of 600 ° C or higher. In the carbonization chambers of #64 and #65, in the indoor brick side of the right side of the symbol 50 in Fig. 4, the heat conduction amount of the combustion chambers from X64 and X66 is higher than that of the self-winding facade and the heat insulating block 13, And the top plate releases more heat, so the temperature does not drop.
利用隔熱塊13來對炭化室1中的修補部分與不修補部分的邊界附近進行隔熱,藉此,可更確實地對不進行部分修補的原有的炭化室磚部分進行保溫。於上述實施形態中,圖4中的堆換範圍R的右端位置成為第1燃燒室與第2燃燒室的邊界部,但無需一致。例如,即便當對第1燃燒室側的爐長中央部的磚進行堆換時,亦可應用本發明。原因在於:如上所述,比隔熱塊13更靠左側的不修補部分的炭化室部分處於保溫狀態。The heat insulating block 13 is used to insulate the vicinity of the boundary between the repaired portion and the unrepaired portion in the carbonization chamber 1, whereby the original carbonized chamber brick portion which is not partially repaired can be more reliably insulated. In the above embodiment, the right end position of the stacking range R in Fig. 4 serves as a boundary portion between the first combustion chamber and the second combustion chamber, but it is not necessary to match. For example, the present invention can be applied even when the bricks at the center of the furnace length on the first combustion chamber side are stacked. The reason is that, as described above, the portion of the carbonization chamber which is not repaired on the left side of the heat insulating block 13 is kept warm.
以上的說明表明:於作為本發明的一個實施形態的焦炭爐的修補方法中,在進行部分堆換的磚側的燃燒室中,暫時使將經分割的兩個室之間予以連通的室間氣體通過部閉塞,並且暫時分別將連通於經分割的各室的蓄熱室中的氣體導入排出口予以閉塞,於該狀態下,對磚進行部分堆換。根據上述方法,由於使作為部分堆換的對象的炭化室磚側的燃燒室中的氣流的導入以及排出停止,因此,不會產生煙囪拔風,從而可防止燃燒室內成為負壓。又,根據上述方法,由於使將燃燒室的兩個室之間予以連通的氣體導入排出口閉塞,因此,構成燃燒室的兩個室中的不對磚進行部分堆換的一側的室形成封閉的空間,藉此來達到保溫狀態,從而可對處於與上述不實施部分堆換的一側的室相鄰的位置的炭化室(空室)進行保溫。藉此,可抑制不進行修補的現有磚的溫度的下降,且可容易地進行利用熱來對炭化室磚進行部分堆換的作業。The above description shows that in the repairing method of the coke oven according to the embodiment of the present invention, in the combustion chamber on the side of the brick which is partially replaced, the inter-chamber that connects the divided two chambers is temporarily provided. The gas passage portion is closed, and the gas in the regenerator connected to each of the divided chambers is temporarily blocked from being introduced into the discharge port, and in this state, the brick is partially replaced. According to the above method, since the introduction and discharge of the airflow in the combustion chamber on the side of the carbonization chamber brick, which is the target of the partial stacking, are stopped, the chimney is not pulled out, and the inside of the combustion chamber can be prevented from becoming a negative pressure. Further, according to the above method, since the gas introduction discharge port that communicates between the two chambers of the combustion chamber is closed, the chamber on the side where the brick is not partially replaced among the two chambers constituting the combustion chamber is closed. The space is thereby brought to a state of heat retention so that the carbonization chamber (empty chamber) at a position adjacent to the chamber on the side where the partial stacking is not performed is maintained. Thereby, it is possible to suppress the temperature drop of the existing brick which is not repaired, and it is possible to easily carry out the work of partially stacking the carbonization chamber brick by heat.
於作為本發明的一個實施形態的焦炭爐的修補方法中,將隔熱材料配置於作為部分堆換的對象的炭化室內的進行部分堆換的磚與不進行堆換的磚的邊界位置附近,然後對磚進行部分堆換,因此,可更確實地對不進行部分修補的原有的炭化室磚部分進行保溫。In the method for repairing a coke oven according to an embodiment of the present invention, the heat insulating material is disposed in the vicinity of a boundary position between the partially-replaced brick and the non-stacked brick in the carbonization chamber to be partially replaced. The bricks are then partially replaced so that the original carbonized chamber bricks that are not partially repaired can be more reliably insulated.
以上,已對應用有本發明者獲得的發明的實施形態進行了說明,但構成本實施形態的本發明所揭示的一部分的記述以及圖式並不對本發明進行限定。例如,如此,基於本實施形態而由本領域技術人員獲得的其他實施形態、實例以及運用技術等全部包含於本發明的範疇。The embodiment of the invention obtained by the inventors of the present invention has been described above, but the description and the drawings which constitute a part of the present invention are not limited to the present invention. For example, other embodiments, examples, and operational techniques obtained by those skilled in the art based on the present embodiment are all included in the scope of the present invention.
本發明可適用於如下的焦炭爐的修補方法,該焦炭爐的修補方法是利用熱來部分地對構成將炭化室與燃燒室予以隔開的爐壁的炭化室磚進行堆換,藉此來對焦炭爐進行修補。The present invention is applicable to a method for repairing a coke oven in which a carbonization chamber brick constituting a furnace wall that separates a carbonization chamber from a combustion chamber is partially replaced by heat, thereby Coke oven for repair.
1...炭化室1. . . Carbonization room
2...燃燒室2. . . Combustion chamber
2A‧‧‧第1燃燒室2A‧‧‧1st combustion chamber
2B‧‧‧第2燃燒室2B‧‧‧2nd combustion chamber
2a‧‧‧垂直焰道2a‧‧‧Vertical flame path
2b‧‧‧上部水平煙道2b‧‧‧ upper horizontal flue
3‧‧‧炭化室磚3‧‧‧Carbonization brick
4‧‧‧間隔磚4‧‧‧interval brick
5‧‧‧室間氣體通過部5‧‧‧Interventricular gas passage
6‧‧‧蓄熱室6‧‧‧ Thermal storage room
6A‧‧‧第1蓄熱室6A‧‧‧1st regenerator
6B‧‧‧第2蓄熱室6B‧‧‧2nd regenerator
7‧‧‧氣體導入排出口7‧‧‧Gas introduction and discharge
10‧‧‧第1閉塞構件10‧‧‧1st occlusion component
10a‧‧‧水平板10a‧‧‧ horizontal board
10b‧‧‧遮蔽板10b‧‧‧shading board
10c、12‧‧‧隔熱構件10c, 12‧‧‧heat insulation components
11‧‧‧陶瓷棉11‧‧‧Ceramic cotton
13‧‧‧隔熱塊13‧‧‧Insulation block
13a‧‧‧陶瓷棉13a‧‧‧Ceramic cotton
13b‧‧‧條帶13b‧‧‧ strips
14‧‧‧隔熱材料14‧‧‧Insulation materials
15‧‧‧防突出構件15‧‧‧Anti-protrusion members
50‧‧‧符號50‧‧‧ symbol
R‧‧‧堆換範圍R‧‧‧Stacking range
#63、#64、#65、#66、#67、X63、X64、X65、X66、 X67‧‧‧編號#63,#64,#65,#66,#67,X63,X64,X65,X66, X67‧‧‧ number
圖1是表示作為本發明的一個實施形態的焦炭爐的構成的平面圖。Fig. 1 is a plan view showing a configuration of a coke oven which is one embodiment of the present invention.
圖2是表示作為本發明的一個實施形態的燃燒室以及蓄熱室的構成的側視圖。Fig. 2 is a side view showing a configuration of a combustion chamber and a heat storage chamber according to an embodiment of the present invention.
圖3是表示作為本發明的一個實施形態的室間氣體通過部的構成的圖。Fig. 3 is a view showing a configuration of an inter-chamber gas passage portion according to an embodiment of the present invention.
圖4是用以對作為本發明的一個實施形態的部分修補方法進行說明的焦炭爐的平面圖。Fig. 4 is a plan view showing a coke oven for explaining a partial repairing method according to an embodiment of the present invention.
圖5是用以對作為本發明的一個實施形態的部分修補方法進行說明的燃燒室以及蓄熱室的側視圖。Fig. 5 is a side view of a combustion chamber and a regenerator for explaining a partial repairing method according to an embodiment of the present invention.
圖6是表示第1閉塞構件的構成例的圖。FIG. 6 is a view showing a configuration example of a first closing member.
圖7是表示室間氣體通過部的閉塞例的圖。Fig. 7 is a view showing an example of occlusion of an inter-chamber gas passage portion.
圖8是表示隔熱塊的構成例的圖。8 is a view showing an example of the configuration of a heat insulating block.
圖9是表示隔熱塊的配置例的圖。Fig. 9 is a view showing an arrangement example of a heat insulating block.
1...炭化室1. . . Carbonization room
2...燃燒室2. . . Combustion chamber
2a...垂直焰道2a. . . Vertical flame path
3...炭化室磚3. . . Carbonization chamber brick
4...間隔磚4. . . Interval brick
#63、#64、#65、#66、#67、X63、X64、X65、X66、X67...編號#63, #64, #65, #66, #67, X63, X64, X65, X66, X67. . . Numbering
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JP2010054242A JP5223875B2 (en) | 2010-03-11 | 2010-03-11 | Coke oven repair method |
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TW201139644A TW201139644A (en) | 2011-11-16 |
TWI452126B true TWI452126B (en) | 2014-09-11 |
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TW100106487A TWI452126B (en) | 2010-03-11 | 2011-02-25 | Method of repairing coke furnace |
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JP (1) | JP5223875B2 (en) |
KR (1) | KR101385416B1 (en) |
TW (1) | TWI452126B (en) |
WO (1) | WO2011111518A1 (en) |
Families Citing this family (4)
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JP5919796B2 (en) * | 2011-12-15 | 2016-05-18 | Jfeスチール株式会社 | Coke oven repair method and repair parts |
KR20170130481A (en) * | 2015-03-30 | 2017-11-28 | 제이에프이 스틸 가부시키가이샤 | Method for building coke oven |
CN106190185B (en) * | 2016-08-22 | 2018-12-18 | 宣化钢铁集团有限责任公司 | The method of coke oven part burning chamber replacement heated by gas |
JP7323741B2 (en) * | 2020-02-20 | 2023-08-09 | 日本製鉄株式会社 | Coke oven carbonization chamber wall repair method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5798586A (en) * | 1980-12-10 | 1982-06-18 | Sumikin Coke Co Ltd | Method for heating combustion chamber during hot stacking and replacing operation of coke oven |
JPH07247481A (en) * | 1994-03-09 | 1995-09-26 | Otto:Kk | Method for hot repairing of coke oven |
JP2001026781A (en) * | 1999-07-13 | 2001-01-30 | Kawasaki Steel Corp | Method for heat insulating inside of furnace in repairing coke oven brick |
-
2010
- 2010-03-11 JP JP2010054242A patent/JP5223875B2/en active Active
-
2011
- 2011-02-22 KR KR1020127021265A patent/KR101385416B1/en not_active IP Right Cessation
- 2011-02-22 WO PCT/JP2011/053806 patent/WO2011111518A1/en active Application Filing
- 2011-02-25 TW TW100106487A patent/TWI452126B/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5798586A (en) * | 1980-12-10 | 1982-06-18 | Sumikin Coke Co Ltd | Method for heating combustion chamber during hot stacking and replacing operation of coke oven |
JPH07247481A (en) * | 1994-03-09 | 1995-09-26 | Otto:Kk | Method for hot repairing of coke oven |
JP2001026781A (en) * | 1999-07-13 | 2001-01-30 | Kawasaki Steel Corp | Method for heat insulating inside of furnace in repairing coke oven brick |
Also Published As
Publication number | Publication date |
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WO2011111518A1 (en) | 2011-09-15 |
JP2011184651A (en) | 2011-09-22 |
KR20120112791A (en) | 2012-10-11 |
KR101385416B1 (en) | 2014-04-14 |
TW201139644A (en) | 2011-11-16 |
JP5223875B2 (en) | 2013-06-26 |
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