CN103759538B - Heating furnace burner block replacing method capable of reserving furnace top - Google Patents

Heating furnace burner block replacing method capable of reserving furnace top Download PDF

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Publication number
CN103759538B
CN103759538B CN201410026325.7A CN201410026325A CN103759538B CN 103759538 B CN103759538 B CN 103759538B CN 201410026325 A CN201410026325 A CN 201410026325A CN 103759538 B CN103759538 B CN 103759538B
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furnace
burner
heating
heating furnace
hanging piece
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CN103759538A (en
Inventor
彭强
付晓林
汲鸿昌
陈伟攀
赵文东
邱志峰
杨德才
叶木成
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China 19th Metallurgical Corp
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China 19th Metallurgical Corp
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Abstract

The invention discloses a heating furnace burner block replacing method capable of reserving a furnace top. The method comprises the following steps that old furnace walls and old burner blocks are disassembled; a carrier loader and hoisting equipment are arranged in a heating furnace, a slide which is led to the inner portion of the heating furnace from the outer portion of the heating furnace is arranged at the head of the heating furnace or the tail of the heating furnace; the carrier loader is made to move to the tail end of the part, located in the heating furnace, of the slide, burner blocks are conveyed onto the part, located outside the heating furnace, of the slide in a hoisting mode through a traveling crane, and after the burner blocks slide onto the carrier loader through the slide, the burner blocks are conveyed by the carrier loader to the bottom of a furnace shell located at the installation position; the hoisting equipment hoists the burner blocks to the installation heights and enables the burner blocks to be installed onto a heat storage tank; formwork erecting, casting and maintenance of furnace wall casting materials are conducted. The method is simple and convenient to achieve, easy to implement, and capable replacing the burner blocks under the condition that the furnace top is reserved. Thus, refractory materials of the furnace top and the structure of the furnace top are protected, the construction period is greatly shortened and the heating furnace burner block replacing method has important practical value for various heating furnaces with burner blocks.

Description

Retain the heating stove burner tile replacing options of furnace roof
Technical field
The present invention relates to a kind of replacing options of heating stove burner tile, especially a kind of heating stove burner tile replacing options retaining furnace roof.
Background technology
Heating furnace is that a kind of to be used for the blank heating such as bloom or continuous casting billet, to the temperature required Thermal Equipment of hot rolling, is widely used in industrial production.
As shown in Figure 1, the many employings of heating furnace are at furnace wall arranged outside accumulation of heat casing, and inner side adopts burner block to be arranged on burning--the heat storage type forming spout in furnace wall.Heating stove burner tile and the furnace wall residing for it work for a long time in high temperature environments, need the temperatures as high 1200 DEG C directly born, and can bear vibrations and airflow scouring in the process of heating furnace production run, and stop the effect of colding and heat succeed each other of inspection.Therefore heating furnace is after long-term production run, burner block and furnace wall have damage in various degree, as resistance to material produces crack, comes off, and the phenomenon such as easily therefore cause that furnace wall is collaborated, bring difficulty to production maintenance.Therefore, heating furnace needs to change furnace wall and burner block after long-term production is run.
Because every block burner block weighs 200 ~ 300kg, so in traditional construction method, burner block hangs and delivers to installation site and install by the driving of general factory building.As shown in Figure 2, this method needs to remove the resistance to material of part furnace roof, and the installation for burner block provides lifting space.But, under same working condition, the resistance to material of furnace roof is general damaged and not serious compared to the resistance to material of furnace wall and burner block, can retain and continue to use, so traditional construction method can make the resistance to material of furnace roof be disturbed on the contrary, its globality being had a negative impact; Further, the operation of dismounting and the recovery resistance to material of furnace roof and furnace roof hanging steel construction is very complicated, and the required duration is longer, easily incurs loss through delay normally production.
Summary of the invention
It is fast that technical problem to be solved by this invention is to provide a kind of speed of application, the heating stove burner tile replacing options of the reservation furnace roof of easy easy enforcement.
The technical solution adopted for the present invention to solve the technical problems is: the heating stove burner tile replacing options retaining furnace roof, described heating furnace comprises the furnace wall of airtight involution, furnace roof and furnace bottom, furnace shell is provided with outside furnace wall, furnace shell is provided with accumulation of heat casing, be provided with the burner block be arranged on accumulation of heat box opening in furnace wall, burner block is communicated with inside heating furnace; Comprise the following steps:
A, remove old furnace wall and old burner block;
B, carrier loader and crane gear are set in heating furnace, arrange by the slideway passed into outside heating furnace in heating furnace at heating furnace burner or stove tail;
C, carrier loader is moved to heating furnace inner slide end, to be hung by burner block on the slideway delivered to outside heating furnace with driving, burner block is slided to after on carrier loader by slideway, then burner block is transferred to the bottom of furnace shell residing for installation site by carrier loader;
Burner block is promoted to setting height(from bottom) and is installed to by burner block on accumulation of heat casing by D, use crane gear;
E, the formwork carrying out furnace wall castable, cast and maintenance.
Preferably, described crane gear comprises hanging piece device and chain block; After completing steps A, form gap between furnace shell top and furnace roof end face, described hanging piece device to be arranged on furnace shell and to be arranged in the gap between described furnace shell top and furnace roof end face; Described chain block is suspended on hanging piece device.
Preferably, described hanging piece device comprises hanging piece body and hangs sheet; Described hanging piece body comprises the top board above the sidewall of both sides and both sides sidewall, top board is fixedly connected with both sides sidewall and forms an inverted groove, in the sidewall of both sides, have at least side to be the long sidewall that lower-upper length is greater than furnace roof thickness, long side wall lower ends is provided with the first connecting portion; The described sheet that hangs is provided with lifting hole(eyelet) and the second connecting portion with the first connecting portion adaptation; When installing hanging piece device, first by groove be right against furnace shell top and make long sidewall be in inside furnace shell, then press hanging piece body downwards, make furnace shell top snap in groove, finally the first connecting portion is fixedly connected with the second connecting portion.
Further, described first connecting portion and the second connecting portion include for bolted at least two through holes, and clear size of opening corresponding with position on the second connecting portion on the first connecting portion is consistent.
Further, also comprise the steps: to lay the track with carrier loader adaptation on furnace shell side along burner to the direction of stove tail between step B and step C, carrier loader is installed in orbit, and track is communicated with slideway.
The invention has the beneficial effects as follows: can change heating stove burner tile when not destroying top construction and the resistance to material of furnace roof; And method is easy, speed of application is fast, and comparatively conventional construction method shortens the duration.
Accompanying drawing explanation
Fig. 1 is the structural representation of heating furnace;
Fig. 2 is the schematic diagram of conventional construction method;
Fig. 3 is the schematic diagram that burner block transports process;
Fig. 4 is the schematic diagram of burner block lifting and installation process;
Fig. 5 is hanging piece body and the structural representation hanging sheet;
Shown in figure: 1-furnace wall, 2-furnace roof, 3-furnace bottom, 4-furnace shell, 5-accumulation of heat casing, 6-burner block, 7-carrier loader, 8-slideway, 9-drives a vehicle, 10-track, 11-hanging piece device, 12-chain block, 13-lifting hole(eyelet), 14-hanging piece body, 15-hangs sheet, the long sidewall of 16-, 17-first connecting portion, 18-second connecting portion, 19-through hole, 20-top board, 21-groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, Figure 3 and Figure 4, the heating stove burner tile replacing options of reservation furnace roof of the present invention, described heating furnace comprises the furnace wall 1 of airtight involution, furnace roof 2 and furnace bottom 3, furnace shell 4 is provided with outside furnace wall 1, furnace shell 4 is provided with accumulation of heat casing 5, be provided with the burner block 6 be arranged on accumulation of heat casing 5 opening in furnace wall 1, burner block 6 is communicated with inside heating furnace; Comprise the following steps:
A, remove old furnace wall and old burner block;
B, carrier loader 7 and crane gear are set in heating furnace, arrange by the slideway 8 passed into outside heating furnace in heating furnace at heating furnace burner or stove tail;
C, carrier loader 7 is moved to heating furnace inner slide 8 end, to be hung by burner block 6 on the slideway 8 delivered to outside heating furnace with driving 9, burner block 6 is slided to after on carrier loader 7 by slideway 8, then by carrier loader 7, burner block 6 is transferred to the bottom of furnace shell 4 residing for installation site;
Burner block 6 is promoted to setting height(from bottom) and is installed on accumulation of heat casing 5 by burner block 6 by D, use crane gear;
E, the formwork carrying out furnace wall 1 castable, cast and maintenance.
In the heating stove burner tile replacing options of above-mentioned reservation furnace roof, steps A and step B are preparatory process.Steps A is removed old furnace wall and burner block; Quality due to every block burner block 6 weighs 200 ~ 300kg, be difficult to carry out carrying by manpower promote, therefore be provided with in stepb for transporting the carrier loader 7 of burner block and burner block 6 is promoted to the crane gear of setting height(from bottom) in heating furnace, described crane gear can be selected as small lifting equipments such as dumbwaiter, hoist engine, chain blocks; When furnace roof 2 is not removed, burner block 6 can only be delivered to heating furnace outside by driving 9, therefore arranges at burner or stove tail place and burner block can be made more to enter in heating furnace by the slideway 8 passed into outside heating furnace in heating furnace efficient quick.Burner block 6 is transported to the process bottom furnace shell 4 residing for its installation site in heating furnace by step C from heating furnace; Step D is lifting and the installation steps of burner block 6, is namely installed on accumulation of heat casing 5 after completing by new burner block 6; Step e is the step of pouring furnace wall 1 again, and after completing steps E, heating furnace can restart work.
In traditional construction method, need by furnace roof 2 near the partial demolition of furnace wall, after pass through burner block by driving again.But due to remove and recover the resistance to material of furnace roof and and the operation of furnace roof hanging steel construction very complicated, its duration is general longer.In the present invention, when only removing old furnace wall and old burner block and not removing furnace roof, slideway 8 can make burner block 6 slide to from heating furnace on carrier loader 7, burner block 6 can be transported to bottom the furnace shell residing for installation site in inside heating furnace by carrier loader 7, burner block 6 then can be promoted to setting height(from bottom) in inside heating furnace by crane gear, and then is arranged on by burner block on accumulation of heat casing 5; Therefore, the heating stove burner tile replacing options of reservation furnace roof of the present invention can realize the replacing to burner block when not removing furnace roof 2, and thus avoid the dismounting of complicated time-consuming furnace roof and recover operation, shortens the construction period.
In order to more quickly and easily by burner block lifting to installation site, as shown in Figure 4, described crane gear comprises hanging piece device 11 and chain block 12; After completing steps A, form gap between furnace shell top and furnace roof 2 end face, described hanging piece device 11 to be arranged on furnace shell 4 and to be arranged in the gap between described furnace shell top and furnace roof 2 end face; Described chain block 12 is suspended on hanging piece device 11.Compared to the crane gear such as dumbwaiter and hoist engine, chain block has simple installation, feature simple to operate, and only need can complete lifting to burner block 6 by manpower, is adapted at installing and using in heating furnace; The effect of hanging piece device 11 is for chain block 12 provides hitch point, after removing old furnace wall in step, gap can be formed between furnace roof 2 and furnace shell 4 top, therefore hanging piece device 11 can be made to avoid furnace roof 2 in the gap arranged by hanging piece device 11 and formed between furnace shell 4 top and furnace roof 2, thus prevent furnace roof 2 to be damaged.When lifting burner block 6, staff pulls chain by what pull chain block 12, and burner block 6 can be promoted to installation site by the lifting end of chain block 12.During using the combination of chain block 12 and hanging piece device 11 as crane gear, crane gear quick for installation, lifting process is easy, effectively can improve lifting and the efficiency of burner block 6 is installed.
As shown in Figure 4 and Figure 5, in order to improve the efficiency that re-mounts burner block 6 further and prevent furnace wall to be damaged, preferably, described hanging piece device 11 comprises hanging piece body 14 and hangs sheet 15; Described hanging piece body 14 comprises the top board 20 above the sidewall of both sides and both sides sidewall, top board 20 is fixedly connected with both sides sidewall and forms an inverted groove 21, in the sidewall of both sides, have at least side to be the long sidewall 16 that lower-upper length is greater than furnace roof thickness, long sidewall 16 lower end is provided with the first connecting portion 17; The described sheet 15 that hangs is provided with lifting hole(eyelet) 13 and the second connecting portion 18 with the first connecting portion 17 adaptation; When installing hanging piece device 11, first by groove 21 be right against furnace shell 4 top and make long sidewall 16 be in inside furnace shell 4, then press hanging piece body 14 downwards, make furnace shell 4 top snap in groove 21, finally the first connecting portion 17 is fixedly connected with the second connecting portion 18.After the hanging piece body 14 with groove 21 is arranged on furnace shell top by the mode making furnace shell 4 top and snap in its groove 21, with furnace shell 4 relation that is slidably connected that to define with furnace shell top be track, staff can be made like this to control hanging piece device 11 voluntarily slide into furnace shell 4 top of burner block installation site and carry out hoisting operations, thus avoid over and over again at diverse location installation and removal hanging piece device 11, considerably improve efficiency of construction.In order to ensure the intensity of hanging piece device 11 and the stability be slidably connected with furnace shell 4, the width of groove 21 both sides sidewall should be arranged comparatively large and fit closely with furnace shell 4, but then can cause hanging piece body 14 being difficult to be set to lifting hole(eyelet) or the hook that chain block provides suspension centre like this; Therefore need to hang sheet 15 solve this problem by arranging, hang the thinner thickness of sheet 15, a reliable and stable suspension centre can be provided for chain block 12 hanging lifting hole(eyelet) 13 that sheet 15 is arranged.In addition, because hanging piece body 14 is arranged on furnace shell 4 top, result in hanging piece body 14 and furnace roof 2 close together; Can furnace roof be avoided to make to hang sheet 15, by the both sides sidewall of hanging piece body 14 groove at least side be set to long sidewall 16 and install hanging piece body 14 time long sidewall 16 is placed in inside furnace shell 4; Upper-lower height due to long sidewall 16 is greater than the thickness of furnace roof 2, so the level height of the first connecting portion 17 present position is lower than the level height of furnace roof 2 lower surface, being arranged so that like this can avoid furnace roof 2 after hanging sheet 15 is fixedly mounted on hanging piece body 14 the first connecting portion by the second connecting portion, thus prevents furnace roof 2 to be damaged.
Described first connecting portion 17 is fixedly connected with by various ways such as such as riveting, weld, bolt is connected with the second connecting portion 18.As shown in Figure 5, described first connecting portion 17 and the second connecting portion 18 include for bolted at least two through holes 19, and through hole 19 consistent size corresponding with position on the second connecting portion 18 on the first connecting portion 17.After arranging like this, when hanging sheet 15 and be fixedly mounted on hanging piece body 14, the mode be namely bolted between the first connecting portion 17 with the second connecting portion 18 will be fixedly connected with.Be fixedly connected with mode compared to other, bolt connects and has that reliability is high, the feature of easy installation and removal, can contribute to simplifying the operation of installing hanging piece device.
In heating furnace, generally draw bottom the furnace shell 4 that carrier loader 7 transports residing for burner block 6 to installation site by staff, because the quality of burner block 6 is very large, therefore once skew appears in the course of carrier loader 7, staff is difficult to be revised it by manpower.In order to address this problem, between step B and step C, the track 10 with carrier loader 7 adaptation can be laid on furnace shell 4 side along burner to the direction of stove tail, carrier loader 7 is arranged on track 10, and track 10 is communicated with slideway 8.After being installed on track 10 by carrier loader 7, the round route of advancing of carrier loader 7 there will not be deviation; Further, bottom the furnace shell 4 that the other track 10 laid of furnace shell 4 makes carrier loader 7 can be directly transported to by burner block 6 residing for installation site, be conducive to follow-up lifting operation and implement rapidly; After being communicated with slideway 8 by track 10, the junction that directly carrier loader 7 can be moved to track 10 and slideway 8 directly to receive the burner block 6 entered by slideway 8 in heating furnace, thus further increases the transport efficiency of burner block 6.

Claims (5)

1. retain the heating stove burner tile replacing options of furnace roof, described heating furnace comprises the furnace wall (1) of airtight involution, furnace roof (2) and furnace bottom (3), furnace wall (1) outside is provided with furnace shell (4), furnace shell (4) is provided with accumulation of heat casing (5), be provided with the burner block (6) be arranged on accumulation of heat casing (5) opening in furnace wall (1), burner block (6) is communicated with inside heating furnace; It is characterized in that, comprise the following steps:
A, remove old furnace wall and old burner block;
B, carrier loader (7) and crane gear are set in heating furnace, arrange by the slideway passed into outside heating furnace in heating furnace (8) at heating furnace burner or stove tail;
C, carrier loader (7) is moved to heating furnace inner slide (8) end, with driving (9) burner block (6) hung on the slideway (8) delivered to outside heating furnace, burner block (6) is slided to after on carrier loader (7) by slideway (8), then by carrier loader (7), burner block (6) is transferred to the bottom of furnace shell residing for installation site (4);
Burner block (6) is promoted to setting height(from bottom) and is installed on accumulation of heat casing (5) by burner block (6) by D, use crane gear;
E, the formwork carrying out furnace wall (1) castable, cast and maintenance.
2. the heating stove burner tile replacing options retaining furnace roof as claimed in claim 1, is characterized in that: described crane gear comprises hanging piece device (11) and chain block (12); After completing steps A, form gap between furnace shell (4) top and furnace roof (2) end face, described hanging piece device (11) is arranged on furnace shell (4) and goes up and be arranged in the gap between described furnace shell (4) top and furnace roof (2) end face; Described chain block (12) is suspended on hanging piece device (11).
3. the heating stove burner tile replacing options retaining furnace roof as claimed in claim 2, is characterized in that: described hanging piece device (11) comprises hanging piece body (14) and hangs sheet (15); Described hanging piece body (14) comprises the top board (20) above the sidewall of both sides and both sides sidewall, top board (20) is fixedly connected with both sides sidewall and forms an inverted groove (21), in the sidewall of both sides, have at least side to be the long sidewall (16) that lower-upper length is greater than furnace roof thickness, long sidewall (16) lower end is provided with the first connecting portion (17); The described sheet (15) that hangs is provided with lifting hole(eyelet) (13) and second connecting portion (18) adaptive with the first connecting portion (17); When installing hanging piece device (11), first groove (21) be right against furnace shell (4) top and make long sidewall (16) be in furnace shell (4) inner side, then hanging piece body (14) is pressed downwards, make furnace shell (4) top snap in groove (21), finally the first connecting portion (17) is fixedly connected with the second connecting portion (18).
4. the heating stove burner tile replacing options retaining furnace roof as claimed in claim 3, it is characterized in that: described first connecting portion (17) and the second connecting portion (18) include for bolted at least two through holes (19), and upper through hole (19) consistent size corresponding with the upper position of the second connecting portion (18) of the first connecting portion (17).
5. as the heating stove burner tile replacing options of the reservation furnace roof in claim 1-4 as described in any one, it is characterized in that: also comprise the steps: at furnace shell (4) other along burner to the track (10) that the laying of the direction of stove tail is adaptive with carrier loader (7) between step B and step C, carrier loader (7) is arranged on track (10), and track (10) is communicated with slideway (8).
CN201410026325.7A 2014-01-20 2014-01-20 Heating furnace burner block replacing method capable of reserving furnace top Active CN103759538B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107238292A (en) * 2017-06-19 2017-10-10 中国五冶集团有限公司 A kind of installation method and its installation auxiliary device of heating furnace furnace wall burner block

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FR2524625B1 (en) * 1982-04-02 1984-06-08 Prod Refractaires Ste
JPH07225011A (en) * 1994-02-10 1995-08-22 Kawasaki Steel Corp Oxygen burner
CN101545721A (en) * 2009-05-14 2009-09-30 中冶实久建设有限公司 Mounting method for thermal storage heating stove burner tile
CN102175085A (en) * 2010-12-29 2011-09-07 天津二十冶建设有限公司 Method for pouring and constructing whole furnace wall of heating furnace with heat-accumulating-type nozzle
CN102288035A (en) * 2011-07-23 2011-12-21 河北二十冶工程技术有限公司 Integral casting-molding method for heat-storing type heating-furnace burner
CN102297595A (en) * 2010-06-25 2011-12-28 上海宝钢工业检测公司 Method for quickly replacing burner block of annular heating furnace
CN102466409A (en) * 2010-11-19 2012-05-23 中冶天工集团有限公司 Inside liner construction method for suspended furnace top of heating furnace
CN102564135A (en) * 2012-02-13 2012-07-11 中国十九冶集团有限公司 Construction method for patching of refractory materials of furnace top of heating furnace
CN202938642U (en) * 2012-11-30 2013-05-15 武汉钢铁(集团)公司 Double heat storage heating furnace wall structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524625B1 (en) * 1982-04-02 1984-06-08 Prod Refractaires Ste
JPH07225011A (en) * 1994-02-10 1995-08-22 Kawasaki Steel Corp Oxygen burner
CN101545721A (en) * 2009-05-14 2009-09-30 中冶实久建设有限公司 Mounting method for thermal storage heating stove burner tile
CN102297595A (en) * 2010-06-25 2011-12-28 上海宝钢工业检测公司 Method for quickly replacing burner block of annular heating furnace
CN102466409A (en) * 2010-11-19 2012-05-23 中冶天工集团有限公司 Inside liner construction method for suspended furnace top of heating furnace
CN102175085A (en) * 2010-12-29 2011-09-07 天津二十冶建设有限公司 Method for pouring and constructing whole furnace wall of heating furnace with heat-accumulating-type nozzle
CN102288035A (en) * 2011-07-23 2011-12-21 河北二十冶工程技术有限公司 Integral casting-molding method for heat-storing type heating-furnace burner
CN102564135A (en) * 2012-02-13 2012-07-11 中国十九冶集团有限公司 Construction method for patching of refractory materials of furnace top of heating furnace
CN202938642U (en) * 2012-11-30 2013-05-15 武汉钢铁(集团)公司 Double heat storage heating furnace wall structure

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