WO2014162643A1 - 出銑口装置 - Google Patents

出銑口装置 Download PDF

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Publication number
WO2014162643A1
WO2014162643A1 PCT/JP2013/085110 JP2013085110W WO2014162643A1 WO 2014162643 A1 WO2014162643 A1 WO 2014162643A1 JP 2013085110 W JP2013085110 W JP 2013085110W WO 2014162643 A1 WO2014162643 A1 WO 2014162643A1
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WO
WIPO (PCT)
Prior art keywords
seal
housing
heat
brick
resistant
Prior art date
Application number
PCT/JP2013/085110
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
透 芦刈
昭二 古舘
Original Assignee
新日鉄住金エンジニアリング株式会社
Nsプラント設計株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新日鉄住金エンジニアリング株式会社, Nsプラント設計株式会社 filed Critical 新日鉄住金エンジニアリング株式会社
Priority to RU2015146905/02A priority Critical patent/RU2601974C1/ru
Priority to CN201380074969.7A priority patent/CN105051218B/zh
Priority to DE112013006743.9T priority patent/DE112013006743B4/de
Priority to BR112015024478A priority patent/BR112015024478B8/pt
Priority to KR1020157031308A priority patent/KR101655860B1/ko
Publication of WO2014162643A1 publication Critical patent/WO2014162643A1/ja

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/14—Discharging devices, e.g. for slag
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1518—Tapholes

Definitions

  • the present invention relates to a tapping device, and relates to a tapping structure in a steel blast furnace.
  • a hot metal outlet is formed on the wall surface of the furnace body of the hot water reservoir, and the hot metal flows out from the hot metal outlet and is received by a scissor and taken out.
  • the spout is sealed with clay-like mud material except during spout.
  • mud material is drilled from the outside using a dedicated opening machine, and the throat is opened to allow the molten iron to flow out. Such tapping work is performed every two to three hours.
  • an output port device shown in Patent Document 1 is used.
  • the conventional tap opening device including Patent Document 1 has a configuration as shown in FIG.
  • a furnace body 90 of a blast furnace is configured by arranging a stave 92 for cooling inside an iron skin 91 and extending a heat-resistant brick 93 for protection inside the furnace.
  • a gap between the iron shell 91 and the stave 92 or the heat-resistant brick 93 is filled with an irregular refractory material 94 such as a stamp material or a castable material.
  • a cylindrical housing 96 penetrating the iron shell 91 is installed at the outlet portion 95 of the blast furnace.
  • the tip of the housing 96 is disposed so as to face the surface of the heat-resistant brick 93 through the opening of the stave 92.
  • the housing 96 is filled with an irregular refractory material 94 similar to that filled between the iron shell 91 and the heat-resistant brick 93, and penetrates the amorphous refractory material 94 and the heat-resistant brick 93 into the furnace.
  • a lead-out passage 97 is formed.
  • the problem of in-furnace gas leakage from the brick joint at the taphole is pointed out.
  • the gas in the furnace G ⁇ b> 1 may leak to the outside of the heat-resistant brick 93 through the gap due to loosening of the joint gap of the heat-resistant brick 93 around the taphole.
  • the leaked gas G ⁇ b> 2 reaches the tap outlet portion 95 along the surface of the heat-resistant brick 93 and may further enter the tap-out passage 97.
  • the gas G3 leaking into the passage 97 in this manner exhibits an undesirable behavior such as blowing away the hot metal passing through the passage 97 for spilling and disturbing the flow.
  • the output work may be hindered, and the output work may need to be interrupted each time. If the taping operation cannot be performed continuously, the number of taping operations must be increased in order to output the required amount of hot metal, and it may be necessary to repeatedly open and close the tap port. There is.
  • Patent Document 1 tries to suppress gas leak by arranging the heat-resistant bricks so that the joints are discontinuous.
  • the gas leak to the taphole portion 95 does not occur only from the joints of the nearby heat-resistant bricks 93, for example, leaks from the brick joints at a site away from the tapport portion 95.
  • the in-furnace gas may flow along the inner surface of the stave 92 and may reach the outlet portion 95.
  • the leaked gas G4 may reach the iron skin 91 side from the gap formed at the joint of the stave 92, flow along the inner side of the iron skin 91, and reach the outlet portion 95.
  • the countermeasure proposed in Patent Document 1 described above has a problem in that the gas leak at the time of output is not sufficiently suppressed, and the output failure due to the gas leak cannot be sufficiently solved.
  • An object of the present invention is to provide a tap outlet device that can sufficiently suppress gas leak at the time of tapping.
  • the tap door apparatus of the present invention includes an iron skin, a heat-resistant brick stretched along the inner side of the iron skin, and a cylindrical housing disposed through the iron skin and facing the heat-resistant brick.
  • An annular or cylindrical seal body installed at the end of the heat-resistant brick side of the housing, and the seal body hermetically seals between the housing and the seal body over the entire circumference
  • a brick-side seal that hermetically seals between the heat-resistant brick and the seal body over the entire circumference.
  • annular or cylindrical sealing body from a housing side seal to a brick side seal can surround the space between the edge of a housing and the surface of a heat-resistant brick, and can carry out an airtight seal with respect to the circumference
  • the furnace gas leaked from the brick joints near the housing and the furnace gas transmitted along the stave or iron core can enter the seal body or the housing. Is prevented.
  • the opening that should be the passage for brewing in the area surrounded by the seal body on the surface of the heat-resistant brick, that is, the area surrounded by the brick side seal, the opening is surrounded by the seal body. It is possible to secure an exit passage through the open space to the inside of the housing. Since this passage is hermetically sealed with respect to the surroundings by a sealing body and prevents intrusion of the gas in the furnace, gas leakage can be suppressed even at the time of extraction, and the output failure due to gas leakage can be eliminated. it can.
  • the seal body is supported so as to be displaceable in the axial direction of the housing along the outer peripheral surface or inner peripheral surface of the housing, and is biased toward the heat-resistant brick by a biasing mechanism.
  • a biasing mechanism a structure in which a plurality of disc springs are inserted into the guide rod, a structure in which a coil spring is inserted into the guide rod, and a structure in which a compression spring is arranged in parallel with the guide rod can be used as appropriate.
  • the seal body itself may be slid with respect to the inner peripheral surface or the outer peripheral surface of the housing.
  • the urging mechanism is a guide rod. It is good also as a structure etc. which energize a sealing body only with a compression spring, without using etc.
  • the gap between the housing and the heat-resistant brick can be closed even if the distance between the housing and the heat-resistant brick is not constant.
  • the airtight sealing function in the brick side seal can be ensured by pressing against the brick surface.
  • the housing side seal according to the dimension shape of a housing inner peripheral surface.
  • the seal body may have a structure having an annular or cylindrical seal member made of a heat-resistant elastic material and an annular seal holder that supports the seal member.
  • the housing-side seal and the brick-side seal can be formed with one seal member, and the structure can be simplified. Further, since the seal member is supported by the seal holder, the predetermined installation position can be maintained even if the entire seal member is an elastic material.
  • the seal body may have a structure having an annular or cylindrical seal holder and a seal member formed of a heat-resistant elastic material that covers the surface of the seal holder.
  • the housing-side seal and the brick-side seal can be formed with a single seal member, and the seal holder inside the coating of the elastic material can ensure rigidity, and can be installed at a predetermined position. The same position can be maintained.
  • the seal member and the seal holder can be handled as a single seal body, the structure can be simplified, and transportation prior to manufacture or installation can be performed efficiently.
  • the seal body includes an annular or cylindrical seal holder, a housing-side seal member that is installed on the seal holder and pressed against the housing, and is installed on the seal holder and pressed against the heat-resistant brick. It is good also as a structure which has a brick side sealing member.
  • the housing-side sealing member and the brick-side sealing member can be individually installed, it is possible to appropriately cope with a case where the distance between the housing and the heat-resistant brick is large or the shape is special. .
  • a stave is installed around the housing, and the stave has a through-hole through which the housing can be inserted.
  • the periphery of the through-hole is continuous in an annular shape and airtight against the iron skin. It is desirable that an iron skin side seal to be sealed and a housing outer seal which is continuous in an annular shape and hermetically sealed with respect to the outer peripheral surface of the housing are formed.
  • the gas inside the furnace flowing along the iron skin can be shut off by the iron skin side seal and the housing outer seal, and the suppression of gas leakage at the time of tapping can be further strengthened.
  • the stave around the housing is continuous over the entire circumference of the housing, the iron side seal and the housing outer seal can be continuously formed in an annular shape, and the airtight seal can be ensured. it can.
  • an outlet device that can hermetically seal the gap between the surface of the heat-resistant brick and the housing with respect to the surroundings, and can sufficiently suppress gas leakage at the time of extraction.
  • Sectional drawing which shows 1st Embodiment of this invention The expanded sectional view which shows the principal part of the said 1st Embodiment. Sectional drawing which shows the tap opening part stave of the said 1st Embodiment. The front view which shows the tap opening part stave of the said 1st Embodiment. The front view which shows the existing tap opening part stave. The expanded sectional view which shows the principal part of 2nd Embodiment of this invention. The expanded sectional view which shows the principal part of 3rd Embodiment of this invention. Sectional drawing which shows the structure of the conventional taphole. Sectional drawing which shows the gas leak in the conventional tap outlet.
  • a furnace body 10 of a blast furnace is configured by arranging a stave 12 for cooling inside an iron skin 11 and stretching a heat-resistant brick 13 for protection inside the furnace.
  • a gap between the iron skin 11 and the stave 12 or the heat-resistant brick 13 is filled with an irregular refractory material 14 such as a stamp material or a castable material.
  • a cylindrical housing 16 that penetrates the iron skin 11 is installed at the tap outlet portion 15 of the blast furnace. The front end of the housing 16 is disposed so as to face the surface of the heat-resistant brick 13 through the opening of the stave 12.
  • An output passage 17 is formed through the interior of the housing 16 to the furnace.
  • the housing 16 is filled with an amorphous refractory material 14 similar to that filled between the iron shell 11 and the heat-resistant brick 13.
  • the passage 17 penetrates the amorphous refractory material 14 in the housing 16, and further extends the heat-resistant brick 13 from the surface (surface on the iron skin 11 side) to the inside of the furnace (left side in the figure).
  • the passage 17 is usually filled with a sealing mud material, and the mud material is removed only during the extraction to form a tubular passage.
  • the hot metal in the furnace is caused by its own head pressure and pressure in the furnace. It is sent out of the furnace (right side in the figure).
  • the housing 16 is a steel tubular member, and is fixed to the iron skin 11 at a portion penetrating the opening of the iron skin 11.
  • an annular seal body 20 is disposed in the end portion of the housing 16 on the heat-resistant brick 13 side along the opening edge of the end portion.
  • the seal body 20 has a seal member 22 supported by a seal holder 21.
  • the seal holder 21 is formed by annularly forming a steel material having a right-angled triangular cross section, and an inclined surface corresponding to a hypotenuse in the cross-sectional shape is arranged toward a gap between the edge of the housing 16 and the surface of the heat-resistant brick 13.
  • Guide rods 23 are fixed to the seal holder 21 at predetermined intervals in the circumferential direction.
  • a stay 24 is fixed to the inner peripheral surface of the housing 16 by welding or the like, and each guide rod 23 is inserted into the corresponding stay 24 and supported so as to be able to advance and retreat in the axial direction.
  • a plurality of disc springs 25 inserted through the guide rods 23 are installed between the seal holder 21 and the stay 24, and the disc holder 25 biases the seal holder 21 away from the stay 24, that is, a heat-resistant brick. 13 is biased toward the surface. Note that a nut 26 is screwed onto the guide rod 23 on the opposite side of the stay 24 from the heat-resistant brick 13, and the nut 26 is prevented from coming off, and the initial compression for generating the biasing force described above is performed. Has been done.
  • the guide rod 23 and the disc spring 25 constitute an urging mechanism.
  • the seal member 22 is formed by annularly forming a heat-resistant elastomer having a circular cross section, and is in contact with an inclined surface corresponding to the oblique side portion in the cross-sectional shape of the seal holder 21. As described above, the seal holder 21 is urged toward the heat-resistant brick 13, and the seal holder 21 is displaced toward the heat-resistant brick 13 so that the inclined surface is pressed toward the surface of the heat-resistant brick 13. The inner surface of the end opening of the housing 16 is also pressed. In other words, the seal member 22 is pressed toward the gap between the edge of the housing 16 and the surface of the heat-resistant brick 13.
  • the outer diameter of the seal member 22 is formed somewhat larger than the inner peripheral diameter of the housing 16, and when the seal member 22 is accommodated in the housing 16, the outer periphery of the seal member 22 is pressed against the inner peripheral surface of the housing 16. Therefore, sufficient pressure contact performance as an airtight seal is ensured.
  • the seal member 22 is pressed against the inner peripheral surface of the end opening of the housing 16 over the entire circumference by the seal holder 21, so that an airtight sealing performance is provided between the inner circumference of the housing 16 and the seal member 22.
  • a housing side seal 221 is formed.
  • the sealing member 22 is pressed against the surface of the heat-resistant brick 13 by the seal holder 21 over the entire circumference of the sealing member 22, so that the brick-side seal 222 having an airtight sealing performance between the surface of the heat-resistant brick 13 and the sealing member 22. Is formed.
  • the sealing body 20 having such a sealing member 22 and the seal holder 21
  • the gap between the edge of the housing 16 and the surface of the heat-resistant brick 13 is sealed in an airtight state. Therefore, the in-furnace gas G1 leaking from the joint of the heat-resistant brick 13 becomes the gas G2 flowing along the surface of the heat-resistant brick 13 or the gas G4 leaking from the joint of the stave 12 and flowing along the inside of the iron skin 11. Even if it flows in the vicinity of the housing 16, the gap between the edge of the housing 16 and the surface of the heat-resistant brick 13 is sealed by the sealing body 20, and leak gas is prevented from being blown into the housing 16 or the outlet passage 17. can do.
  • the stave 12 which covers the spout part 15 with one sheet is used.
  • the stave 12 has a plate-like main body 120 formed of cast iron, copper alloy, or the like, and a cooling pipe 122 is formed therein, and a central portion thereof is formed.
  • An output opening 121 is formed.
  • a ridge 123 continuously formed in an annular shape along the opening for opening 121 is formed, and a seal member formed of a heat-resistant elastomer on the tip surface thereof. 124 is attached.
  • an inwardly protruding ridge 125 is formed on the inner side of the protruding opening 121 along the opening edge on the side where the ridge 123 is formed, and a seal member formed of a heat-resistant elastomer on the tip surface thereof. 126 is attached.
  • the seal member 124 is pressed against the inner peripheral surface of the iron skin 11, and the seal member 126 is pressed against the outer peripheral surface of the housing 16.
  • the gas G4 flowing toward the housing 16 along the inner side of the iron skin 11 can be blocked.
  • the housing 16 and the heat-resistant brick 13 are hermetically sealed by the seal body 20 having the housing-side seal 221 and the brick-side seal 222, but the iron members 11 are sealed by these seal members 124 and 126.
  • the performance of preventing gas leakage reaching the passage 17 can be further enhanced.
  • the conventional stave for the spout opening portion 15 has a two-split type, there is a problem similar to the above-described three-split type, and a single stave 12 as shown in FIGS. 3A and 3B is more preferable.
  • the seal body 20 can seal the gap between the housing 16 and the surface of the heat-resistant brick 13.
  • the seal body 20 can be hermetically sealed with respect to the inner periphery of the housing 16 by the housing side seal 221, and can be hermetically sealed with respect to the surface of the heat-resistant brick 13 by the brick side seal 222.
  • the interior of the housing 16 and the output passage 17 are hermetically sealed with respect to the surroundings by the seal body 20, and the furnace gas G 1 leaked from the brick joints near the housing 16, the surface of the heat-resistant brick 13 and the stave. 12 or the gas G2, G4, etc. transmitted along the iron skin 11 can be prevented from entering the passage 17, gas leakage at the time of output can be sufficiently suppressed, and output failure due to gas leak can be eliminated.
  • the housing side seal 221 and the brick side seal 222 are formed on the same seal member 22, the housing side seal 221 and the brick side seal 222 are collectively installed by the installation of the seal member 22. And the structure can be simplified.
  • the seal member 22 is an elastic member as a whole, but sufficient rigidity can be secured for the seal holder 21 that supports the seal member 22, and the seal member 22 can be maintained at a predetermined position. In the seal member 22, the distance from the housing side seal 221 and the brick side seal 222 to the seal holder 21 is large, and the thickness of the elastic material of the seal member 22 compressed in the portion is increased, thereby improving the hermetic seal performance. You can also.
  • the seal holder 21 Since the seal holder 21 is biased toward the heat-resistant brick 13 by the disc spring 25 inserted through the guide rod 23, the brick-side seal 222 can be pressed against the surface of the heat-resistant brick 13. The seal can be ensured.
  • a disc spring 25 inserted through the guide rod 23 a structure in which a coil spring is inserted into the guide rod, and a structure in which a compression spring is arranged in parallel with the guide rod are used. Also good.
  • the present embodiment has a structure similar to that of the first embodiment described above, but has a configuration different from that of the seal body 20. Therefore, the same reference numerals as those in the first embodiment are assigned to the common configurations and the description thereof is omitted, and different seal bodies will be described in detail below.
  • the seal body 20A of the present embodiment has a steel seal holder 21A formed in an annular shape, and the surface thereof is covered with a seal member 22A formed of a heat-resistant elastomer.
  • the seal member 22A is disposed at the same position as the seal member 22 (see FIG. 2) of the first embodiment described above. As a result, the seal member 22A is pressed against the inner peripheral surface of the end opening of the housing 16 over the entire periphery, thereby forming a housing-side seal 221 having an airtight seal performance between the inner periphery of the housing 16 and the seal member 22A. Is done.
  • sealing member 22A is pressed against the surface of the heat-resistant brick 13 over the entire circumference of the sealing member 22, so that a brick-side seal 222 having an airtight sealing performance is formed between the surface of the heat-resistant brick 13 and the sealing member 22A.
  • a seal body 20A having a housing side seal 221 and a brick side seal 222 is formed by the seal holder 21A and the seal member 22A, and a gap between the housing 16 and the surface of the heat-resistant brick 13 is sealed by the seal body 20A.
  • the seal body 20A of the present embodiment is configured by covering the surface of the seal holder 21A with a seal member 22A formed of a heat-resistant elastomer, these can be handled integrally, and the installation space can be reduced in size. In addition, the manufacturing process can be simplified.
  • the present embodiment has a structure similar to that of the first embodiment described above, but has a configuration different from that of the seal body 20. Therefore, the same reference numerals as those in the first embodiment are assigned to the common configurations and the description thereof is omitted, and different seal bodies will be described in detail below.
  • the seal body 20 ⁇ / b> B of the present embodiment has a steel seal holder 21 ⁇ / b> B having an L-shaped cross section formed in a cylindrical shape.
  • the seal holder 21 ⁇ / b> B can be manufactured by welding a cylindrical portion along the inner peripheral surface of the housing 16 and an annular plate member along the surface of the heat-resistant brick 13.
  • the L-shaped steel may be bent into a ring shape.
  • a housing-side seal member 221B is installed on the outer peripheral surface of the seal holder 21B facing the housing 16. Further, a brick-side seal member 222B is installed on the surface of the seal holder 21B that faces the surface of the heat-resistant brick 13.
  • Each of the housing side seal member 221B and the brick side seal member 222B is formed of a heat resistant elastomer that is continuous over the entire circumference.
  • the housing-side seal member 221B forms a housing-side seal by being pressed against the housing 16, and the brick-side seal member 222B is pressed against the surface of the heat-resistant brick 13 to form a brick-side seal.
  • a seal body 20B is formed by the seal holder 21B, the housing-side seal member 221B, and the brick-side seal member 222B.
  • an airtight seal between the housing 16 and the heat-resistant brick 13 is secured by the seal body 20B, and the same effect as that of the first embodiment described above can be obtained. Furthermore, since the seal body 20B of this embodiment separately installs the housing-side seal member 221B and the brick-side seal member 222B in the seal holder 21B, the distances between the seal bodies 20B are different or the directions are different. However, it is possible to respond flexibly, and the degree of design freedom can be increased.
  • housing-side seal member 221B and the brick-side seal member 222B can press the surfaces of the housing-side seal member 221B and the brick-side seal member 222B on the surface of the housing 16 or the heat-resistant brick 13 in a wide range, and can further improve the hermetic seal performance.
  • the present invention is not limited to the above-described embodiments, and modifications and the like within a scope where the object of the present invention can be achieved are included in the present invention.
  • the seal bodies 20, 20 ⁇ / b> A, and 20 ⁇ / b> B are formed in an annular shape or a cylindrical shape, but the cross-sectional shape may be formed in accordance with the cylindrical housing 16.
  • the cross-sectional shape of the housing 16 is rectangular, polygonal, circular, or the like, the sealing bodies 20, 20A, 20B may be formed in a shape corresponding to the cross-sectional shape.
  • the seal bodies 20, 20 ⁇ / b> A, and 20 ⁇ / b> B are installed inside the housing 16, but may be installed outside the housing 16. In this case, it is necessary that the guide rod 23 and the disc spring 25 which are urging mechanisms are installed on the outer peripheral surface of the housing 16 and the housing-side seal 221 is hermetically sealed with respect to the outer peripheral surface of the housing 16. .
  • the guide rod 23 and the disc spring 25 are used as the urging mechanism, but the configuration is not limited thereto.
  • a structure in which a coil spring is inserted through the guide rod 23 and a structure in which a compression spring is disposed in parallel with the guide rod 23 can be used as appropriate.
  • the seal bodies 20, 20A, 20B themselves may be slid with respect to the inner peripheral surface or the outer peripheral surface of the housing 16, and such a structure is used.
  • the urging mechanism may be a structure in which the seal body is simply urged by a compression spring without using the guide rod 23 or the like.
  • the urging mechanism is not limited to the urging mechanism installed on the housing 16 and urges the seal bodies 20, 20 ⁇ / b> A, 20 ⁇ / b> B, but may be supported by the surface of the heat-resistant brick 13 or the stave 12.
  • the single stave 12 having the seal members 124 and 126 that are annularly continuous is used together with the seal bodies 20, 20 ⁇ / b> A, and 20 ⁇ / b> B.
  • a plurality of divided staves 81 to 83 may be used.
  • the annularly continuous seal members 124 and 126 may be omitted, and the single stave 12 eliminates a leak between the inner surface of the iron skin 11 and the back surface of the stave 12. It is effective because it can be eliminated.
  • the dimensions, detailed shapes, materials, and the like of each part can be appropriately changed during implementation.
  • the present invention relates to a tap outlet device and can be used as a tap outlet in a blast furnace for iron making.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Furnace Details (AREA)
  • Blast Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
PCT/JP2013/085110 2013-04-02 2013-12-27 出銑口装置 WO2014162643A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
RU2015146905/02A RU2601974C1 (ru) 2013-04-02 2013-12-27 Леточное устройство
CN201380074969.7A CN105051218B (zh) 2013-04-02 2013-12-27 出铁口装置
DE112013006743.9T DE112013006743B4 (de) 2013-04-02 2013-12-27 Abstichlochvorrichtung
BR112015024478A BR112015024478B8 (pt) 2013-04-02 2013-12-27 Aparelho de furo de corrida
KR1020157031308A KR101655860B1 (ko) 2013-04-02 2013-12-27 출선구 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013076961A JP5433806B1 (ja) 2013-04-02 2013-04-02 出銑口装置
JP2013-076961 2013-04-02

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WO2014162643A1 true WO2014162643A1 (ja) 2014-10-09

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JP (1) JP5433806B1 (pt)
KR (1) KR101655860B1 (pt)
CN (1) CN105051218B (pt)
BR (1) BR112015024478B8 (pt)
DE (1) DE112013006743B4 (pt)
RU (1) RU2601974C1 (pt)
WO (1) WO2014162643A1 (pt)

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Publication number Priority date Publication date Assignee Title
RU2760136C1 (ru) * 2020-12-14 2021-11-22 Владимир Александрович Трусов Чугунная летка печи

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JPH03104809A (ja) * 1989-09-18 1991-05-01 Nkk Corp 高炉出銑口
JPH0510442U (ja) * 1991-07-24 1993-02-09 川崎炉材株式会社 高炉出銑口周囲のガス漏れ防止構造
JPH06256824A (ja) * 1993-03-04 1994-09-13 Nippon Steel Corp 高炉出銑口周辺劣化部の補修方法及びこれに用いるシールリング
JPH07292403A (ja) * 1994-04-22 1995-11-07 Nippon Steel Corp 高炉の出銑口煉瓦構造

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JP5433806B1 (ja) 2014-03-05
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