WO2013073254A1 - 炉内搬送装置及び加熱炉 - Google Patents

炉内搬送装置及び加熱炉 Download PDF

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Publication number
WO2013073254A1
WO2013073254A1 PCT/JP2012/071774 JP2012071774W WO2013073254A1 WO 2013073254 A1 WO2013073254 A1 WO 2013073254A1 JP 2012071774 W JP2012071774 W JP 2012071774W WO 2013073254 A1 WO2013073254 A1 WO 2013073254A1
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WO
WIPO (PCT)
Prior art keywords
heating furnace
furnace
guide groove
carrying
processed
Prior art date
Application number
PCT/JP2012/071774
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
山本　俊輔
Original Assignee
中外炉工業株式会社
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 中外炉工業株式会社 filed Critical 中外炉工業株式会社
Priority to CN201280049554.XA priority Critical patent/CN103874772B/zh
Publication of WO2013073254A1 publication Critical patent/WO2013073254A1/ja

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/38—Arrangements of devices for charging
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/39—Arrangements of devices for discharging
    • 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
    • F27D3/12—Travelling or movable supports or containers for the charge

Definitions

  • the present invention relates to an in-furnace transfer device for transferring an object to be treated in a furnace and a heating furnace provided with such an in-furnace transfer device.
  • the object to be treated is conveyed in the furnace by the in-furnace conveyance device
  • the object to be treated is sequentially moved and conveyed along the conveyance direction on the fixed beam provided above the hearth.
  • the moving beam provided along the transport direction of the object is reciprocated in the up and down direction and the feed direction by the moving frame to make walking motion, and the object is sequentially moved on the fixed beam by the moving beam.
  • the conventional walking beam type in-furnace transfer device that moves and transports, its facilities are very simple, the overall cost can be greatly reduced, and maintenance etc. can be easily performed.
  • a walking beam type is widely used as an in-furnace transfer device for transferring sequentially.
  • the transfer direction of the object to be processed through the support member on the hearth provided in the furnace. While providing a plurality of fixed beams along the direction through the required space in the direction crossing the transport direction of the object to be processed, the hearth through the penetration portion provided in the hearth from the moving frame provided below the hearth.
  • the movable beam extended substantially over the entire length of the furnace along the transport direction of the object is held by the support member projecting upward, and the plurality of movable beams are required in the direction crossing the transport direction of the object It is provided via an interval.
  • the moving frame is supported by the walking beam driving means, and the moving beam is driven by the walking beam driving means to move each moving beam provided on the moving frame.
  • the object to be treated is sequentially moved on the fixed beam by each moving beam, and the object to be treated is sequentially moved in the furnace I am trying to
  • the walking beam drive means is enlarged and the above-mentioned movement is made under the hearth in the heating furnace etc.
  • it has become necessary to increase the digging depth below the hearth.
  • such equipment requires a great deal of cost, a large power is required to drive the walking beam drive means, and there is a problem that the running cost is also high.
  • each moving beam is water-cooled.
  • each moving beam is provided to extend substantially the entire length of the furnace along the transfer direction of the object to be treated.
  • it is necessary to use a large water-cooling facility and to increase the water-cooling loss.
  • the present invention relates to an in-furnace transfer apparatus for transferring an object to be processed in a furnace and a heating furnace provided with such in-furnace transfer apparatus as described above when using a walking beam type in-furnace transfer apparatus.
  • the above-described object is transferred by the in-furnace transfer device one by one and moved in order on the fixed beam provided above the hearth. It is an object of the present invention to simplify the equipment and greatly reduce the overall cost as well as facilitate maintenance, etc., as compared with the conventional walking beam type in-furnace transfer apparatus. .
  • a fixed beam along the transfer direction of the object to be processed is required above the hearth in a direction intersecting the transfer direction of the object to be processed
  • a plurality of transport guide grooves are provided at intervals along the transport direction of the workpiece, and a plurality of transport guide grooves penetrating the hearth along the transport direction of the workpiece are provided at predetermined intervals in the direction intersecting the transport direction of the workpiece
  • In-furnace transfer where a cart that travels in the transfer direction of the object along the transfer guide groove below the hearth of the furnace is provided with a lift holder projecting upward through the transfer guide groove and moving up and down
  • the apparatus is configured to raise the elevating holder provided on the cart to hold the object held by the fixed beam on the elevating holder, and run the cart to raise and lower the cart. Processing held in the department And so as to transport the to a predetermined position of the fixed beam.
  • the transfer frame for holding the plurality of moving beams extending substantially the entire length of the furnace along the transfer direction of the process object is transferred to the process object It is not necessary to provide along the direction below the hearth and to provide a large walking beam drive means for moving the moving frame to reciprocate each moving beam in the vertical direction and the feed direction for walking operation.
  • the elevating and holding portion for holding the object to be treated is prevented from being excessively heated in the furnace to be deformed or damaged.
  • a cooling means is provided for cooling the elevating and holding portion for holding the object to be treated
  • the elevating and holding unit provided on the cart is raised, and the object held by the fixed beam is held by the elevating and holding unit, and the cart is caused to travel and held by the elevating and holding unit.
  • a plurality of the above carts can be provided in a direction intersecting the conveyance direction of the object corresponding to each conveyance guide groove.
  • a plurality of the above-mentioned carts can be provided at predetermined intervals in the transport direction of the object to be processed.
  • the above-described in-furnace transfer apparatus is used to sequentially transfer and sequentially heat the objects to be processed in the furnace.
  • a carrying-in side wall guide groove is provided on the carrying-in portion side of the heating furnace for carrying the object to be processed into correspondence with the above-mentioned transfer guide groove. It is possible to guide the above-mentioned cart to the outside of the heating furnace on the loading unit side through the wall surface guiding groove. In this way, the cart can be guided to the outside of the heating furnace on the loading unit side, and the cart can be repaired or replaced.
  • a loading guide groove is provided in the loading section for loading the object to be processed into the heating furnace so as to correspond to the above-described transport guide groove and loading side wall surface guide groove, and the cart is provided with the loading guide groove.
  • the elevating and holding unit is raised to hold the object to be treated in the loading unit in the elevating and holding unit, and the object to be processed held by the elevating and holding unit through the guide groove for carrying in and the side wall guide groove for carrying in It can be made to carry in in a heating furnace. If this is done, a loading device for the object to be processed, which is usually installed as a separate facility, becomes unnecessary.
  • a discharge side wall surface guide groove is provided on the unloading portion side of the heating furnace for unloading the object to be processed to the outside of the heating furnace so as to correspond to the transfer guide groove. It is possible to lead the above-mentioned cart to the outside of the heating furnace on the unloading portion side through the wall surface guide groove. In this way, the cart can be guided to the outside of the heating furnace on the discharge unit side, and the cart can be repaired or replaced.
  • the unloading guide groove is provided at the unloading portion for unloading the object to be processed out of the heating furnace so as to correspond to the conveying guide groove and the unloading side wall surface guide groove described above.
  • the object can be carried out of the heating furnace through the above-mentioned discharge side wall surface guide groove and the discharge guide groove. If this is done, there will be no need to carry out the object to be processed that is normally installed as a separate facility.
  • the cart traveling in the transfer direction of the object under the hearth is provided with a lift holding portion projecting upward through the transfer guide groove and moving up and down.
  • the unit is raised to hold the object held by the fixed beam on the elevating holder, and the cart is made to travel to move the object held by the elevating holder to a predetermined position of the fixed beam. Since the objects to be treated are sequentially transported in the furnace, a moving frame for holding a plurality of moving beams below the hearth, and this movement as in the conventional walking beam type in-core transfer system There is no need to provide a large device such as a walking beam drive that drives the frame to walk each moving beam.
  • the digging depth under the hearth in the heating furnace etc. can be reduced, the cost required for the equipment can be greatly reduced, and the running cost can be reduced. Further, since the structure is simply constructed by laying rails for carts on the floor surface which has been dug-in, a large space can be secured and maintenance can be easily performed.
  • the elevating and holding unit in a state in which the object to be treated is held by the elevating and holding unit provided in the cart, the object to be treated held by the elevating and holding unit is made to move
  • the elevating and holding unit may have a length sufficient to hold the object to be treated, and like the moving beam in the conventional walking beam type in-furnace transfer device, There is no need to extend the furnace along the transport direction so as to extend substantially the entire length of the furnace, and when cooling such a lift holder, a large water cooling facility like the above moving beam is required, and the water loss is large. There is no need to become
  • the carry-in side wall surface guide groove and the carry-out side wall surface guide groove are provided to correspond to the transport guide grooves as described above, through the carry-in side wall surface guide groove and the carry-out side wall surface guide groove.
  • the cart described above can be introduced outside the heating furnace, and maintenance and replacement of the cart can be easily performed without stopping the heating furnace and cooling it.
  • the heating furnace in said embodiment WHEREIN It is the part explanatory view which showed the state which moved the cart to the predetermined position in the conveyance direction of a to-be-processed object, in the state to which the to-be-processed object was hold
  • the heating furnace in said embodiment WHEREIN It is partial explanatory drawing which showed the state which made the raising / lowering holding part in the cart moved to the predetermined position descend
  • the heating furnace in said embodiment WHEREIN It is the part explanatory view which showed the state which moved the cart in the reverse direction to the conveyance direction of a to-be-processed object, and led it to the position of the to-be-processed object which conveys a cart next.
  • the heating furnace in said embodiment WHEREIN It is a schematic longitudinal cross-section explanatory drawing along the longitudinal direction of the heating furnace which provided two carts in the conveyance direction of to-be-processed object in the conveyance direction of to-be-processed object via required spacing.
  • three carts in the furnace conveyance device are provided in the conveyance direction of the processing object via the required interval, and on the loading unit side to which the processing object before heat treatment is carried into the heating furnace
  • a carry-in side wall surface guide groove and a carry-in guide groove are provided, and the above-mentioned conveyance guide groove is provided on the delivery section side for carrying out the heat-treated object from the heating furnace.
  • FIG. 1 It is a schematic longitudinal cross-section explanatory drawing along the longitudinal direction of the heating furnace in embodiment shown in FIG.
  • three carts in the furnace conveyance device are provided in the conveyance direction of the processing object via the required interval, and on the loading unit side to which the processing object before heat treatment is carried into the heating furnace
  • a carry-in side wall surface guide groove is provided, and the above-mentioned conveyance guide groove is made to correspond to the above-mentioned conveyance guide groove on the side of the unloading section for unloading the heat-treated object from the heating furnace.
  • It is a schematic longitudinal cross-section explanatory drawing which showed the state which provided the carrying out side wall surface guide groove and led the cart to the exterior of a heating furnace.
  • a plurality of combustion devices 12 are provided on the side wall 11, and a required distance in the transport direction of the object A on the hearth 13.
  • a plurality of required intervals are provided in the width direction of the heating furnace 10 orthogonal to the transfer direction.
  • the loading door 15a provided in the loading port 15 of the heating furnace 10 is opened, and the heating processing in the loading portion 1 is performed.
  • the previous workpiece A is carried into the heating furnace 10 through the loading port 15, and the workpiece A is held on the fixed beam 14 described above.
  • the object A thus held on the fixed beam 14 is heated in the heating furnace 10 by the above-described combustion apparatus 12 and the object A held on the fixed beam 14 will be described later.
  • the in-furnace transfer device 20 sequentially transfers the heat to the downstream side in the transfer direction on the fixed beam 14 described above.
  • the unloading door 16a provided at the unloading port 16 of the heating furnace 10 is opened, and the object A heated as described above is unloaded to the unloading section 2 outside the heating furnace 10 through the unloading port 16. Let's do it.
  • the workpiece A held on the fixed beam 14 is sequentially transported on the fixed beam 14 downstream by the in-furnace transport device 20 in the transport direction.
  • the conveyance guide groove 17 along the conveyance direction of the object A so as to penetrate the hearth 13 of the heating furnace 10 at a position not overlapping the fixed beam 14 with the conveyance direction of the object A and A plurality of required intervals are provided in the width direction of the heating furnace 10 orthogonal to each other.
  • the guide rails 21 along the transfer direction of the object A are made to correspond to the transfer guide grooves 17 on the floor G below the hearth 13.
  • a lifting and holding unit 22b which is lifted and lowered by the lifting and lowering device 22a.
  • the lifting and holding unit 22b is raised to a position above the fixed beam 14 by the lifting and lowering device 22a in each cart 22, and the object A held on the fixed beam 14 is placed on the lifting and holding unit 22b. Make it hold.
  • the cart 22 is moved along the guide rails 21 to a predetermined position in the conveyance direction of the object A.
  • the object to be processed A held by the elevating and holding unit 22 b is moved to a predetermined position of the fixed beam 14.
  • the lifting and holding unit 22b holding the object to be processed A is lowered by the lifting and lowering device 22a to the original position located below the fixed beam 14, and the lifting and holding It is made to hold the to-be-processed object A currently hold
  • the cart 22 described above is in the direction opposite to the conveying direction of the object to be treated A along the guide rail 21.
  • the cart 22 is moved so as to guide the cart 22 to the position of the object A to be transported next, as shown in FIG.
  • the above-described operation is repeated many times so that each object to be processed A held on the fixed beam 14 is sequentially transported on the fixed beam 14 downstream in the transport direction. .
  • the elevating holder 22b is cooled in order to prevent it from being excessively heated and deformed or damaged in the heating furnace 10.
  • the elevation holding portion 22b a pipe obtained by bending a pipe into a reverse groove shape is used, and the cooling water is introduced to the water channel 22c formed in the elevation holding portion 22b by the cooling means 23 such as a pump. 22b is prevented from being heated excessively.
  • the cart 22 self-propelled on the guide rail 21 is provided, but it is also possible to move the cart 22 along the guide rail 21 from the outside.
  • each cart 22 as described above is provided on each guide rail 21.
  • two or more carts 22 as described above are provided, and each cart 22 transports and moves the object A held on the fixed beam 14 in the downstream in the transport direction. It can also be done.
  • the object to be treated A before being subjected to the heat treatment as described above is carried into the heating oven 10 from the loading unit 1 outside the heating oven 10, and the object to be treated A subjected to the heating treatment in the heating oven 10 is heated.
  • a carry-in side wall guide groove 18a is provided to correspond to the carry guide groove 17 and a carry-in guide groove 1a is provided in the carry-in portion 1 and on the carry-out side of the heating furnace 10
  • the discharge side wall surface guide groove 18b can be provided, and the discharge guide groove 2a can be provided in the discharge portion 2 described above.
  • the cart 22 is guided from the heating furnace 10 to the lower side of the loading unit 1 when the object A to be treated before being subjected to the heating process in the loading unit 1 is loaded into the heating furnace 10.
  • the lifting and holding portion 22b of the cart 22 is lifted through the loading guide groove 1a of the loading portion 1 so that the object A to be processed in the loading portion 1 is held on the lifting and holding portion 22b.
  • the cart 22 is moved from the loading unit 1 to the heating furnace 10, and the object A held by the elevation holding unit 22b is It is carried into the heating furnace 10 from the carry-in section 1 through the carry-in port 15 and the carry-in side wall surface guide groove 18a along the guide groove 1a for carry-in. Thereafter, the elevating and holding portion 22b is lowered through the above-described conveyance guide groove 17, and the object A held by the elevating and holding portion 22b is held on the fixed beam 14 provided in the heating furnace 10. .
  • the elevating holding part 22b in the cart 22 is raised.
  • the lift A 22 b holds the object to be processed A that has been heat-treated inside.
  • the cart 22 is moved from the heating furnace 10 to the lower part of the unloading portion 2 so that the elevating holding portion 22b is passed from the conveying guide groove 17 to the discharge port 16 and the discharge side wall surface guide groove 18b.
  • the object to be processed A held by the lifting and holding unit 22b is guided from the inside of the heating furnace 10 to the unloading unit 2 through the unloading opening 16 by moving along the unloading guide groove 2a.
  • the elevating holder 22b is lowered through the unloading guide groove 2a so that the workpiece A held by the elevating holder 22b is held by the unloading unit 2.
  • the object to be treated A before being subjected to heat treatment is carried in from the loading unit 1 into the heating furnace 10, or the object to be treated A subjected to heat treatment is carried out from the heating furnace 10 to the unloading portion 2 Can be done easily.
  • the carrying-in side wall guide groove 18a and the carrying-in guide groove 1a are provided on the carry-in side of the heating furnace 10 so as to correspond to the conveying guide groove 17.
  • the guide groove 18b and the discharge guide groove 2a and guiding the cart 22 out of the heating furnace 10 maintenance and repair of the cart 22 and the like can be performed without stopping the heating furnace 10 and cooling it.
  • the loading unit 1 and the unloading unit 2 provided with the loading guide groove 1a and the unloading guide groove 2a have the effect of protecting the cart 22 from the scale that falls from the object A before and after heating and the heat radiated. is there.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Tunnel Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
PCT/JP2012/071774 2011-11-16 2012-08-29 炉内搬送装置及び加熱炉 WO2013073254A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280049554.XA CN103874772B (zh) 2011-11-16 2012-08-29 炉内搬运装置及加热炉

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011250260A JP5769593B2 (ja) 2011-11-16 2011-11-16 炉内搬送装置及び加熱炉
JP2011-250260 2011-11-16

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Publication Number Publication Date
WO2013073254A1 true WO2013073254A1 (ja) 2013-05-23

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JP (1) JP5769593B2 (zh)
CN (1) CN103874772B (zh)
TW (1) TW201326716A (zh)
WO (1) WO2013073254A1 (zh)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
JP5843715B2 (ja) * 2012-07-13 2016-01-13 中外炉工業株式会社 炉内搬送装置及び連続加熱炉
CN104596240B (zh) * 2015-01-16 2016-04-13 重庆赛迪热工环保工程技术有限公司 一种圆柱体工件在炉内的输送系统及其输送方法
CN108369068B (zh) * 2015-12-14 2020-01-21 日本碍子株式会社 热处理炉及热处理方法
MX2019001028A (es) * 2016-07-28 2019-09-23 Ghi Hornos Ind S L Transporte a traves de hornos.
CN106168446A (zh) * 2016-08-22 2016-11-30 苏州工业园区姑苏科技有限公司 一种炉用推拉料移动小车

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237313A (ja) * 1985-08-09 1987-02-18 Chugai Ro Kogyo Kaisha Ltd ウオ−キングビ−ム型鋼片加熱炉
JP2009517544A (ja) * 2005-12-02 2009-04-30 フェストアルピネ・オートモーティヴ・ゲー・エム・ベー・ハー 連続加熱炉中で鋼製部材を加熱するための方法および装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237313A (ja) * 1985-08-09 1987-02-18 Chugai Ro Kogyo Kaisha Ltd ウオ−キングビ−ム型鋼片加熱炉
JP2009517544A (ja) * 2005-12-02 2009-04-30 フェストアルピネ・オートモーティヴ・ゲー・エム・ベー・ハー 連続加熱炉中で鋼製部材を加熱するための方法および装置

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JP5769593B2 (ja) 2015-08-26
TW201326716A (zh) 2013-07-01
JP2013104115A (ja) 2013-05-30
CN103874772A (zh) 2014-06-18
CN103874772B (zh) 2017-07-11

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