CN105928363A - U-shaped compound fire damper beam capable of avoiding interference between temperature fields in steel billet annular heating furnace - Google Patents
U-shaped compound fire damper beam capable of avoiding interference between temperature fields in steel billet annular heating furnace Download PDFInfo
- Publication number
- CN105928363A CN105928363A CN201610368854.4A CN201610368854A CN105928363A CN 105928363 A CN105928363 A CN 105928363A CN 201610368854 A CN201610368854 A CN 201610368854A CN 105928363 A CN105928363 A CN 105928363A
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- shaped
- shaped heat
- stainless steel
- inner bag
- inserts
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
- F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/02—Charges containing ferrous elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a U-shaped compound fire damper beam capable of avoiding interference between temperature fields in a steel billet annular heating furnace. The U-shaped compound fire damper beam comprises spaced hooks, a U-shaped heat-resistant stainless steel lining, a U-shaped heat-insulating fiber layer, side face inserts, bottom inserts and a U-shaped heat-resistant cast layer. The side face inserts and the bottom inserts are fixed to the outer side face and the bottom of the U-shaped heat-resistant stainless steel lining. The spaced hooks are fixed to the inner side wall of the U-shaped heat-resistant stainless steel lining and are fixedly connected with the side face inserts on the same row. The U-shaped heat-insulating fiber layer is arranged on the outer side wall of the U-shaped heat-resistant stainless steel lining. The U-shaped heat-insulating fiber layer is wrapped by the U-shaped heat-resistant cast layer through the side face inserts and the bottom inserts and fixed to the U-shaped heat-resistant stainless steel lining. A heat-insulating cavity is formed between the inner side faces of the U-shaped heat-resistant stainless steel lining. The compound fire damper beam can ensure stability of the temperature fields in relevant areas and avoid interference between the temperature fields of various areas, the phenomenon that the fire damper beam is broken due to temperature difference between inside and outside of various sections in the annular heating furnace is eliminated, and the service life of the fire damper beam is prolonged.
Description
Technical field
The present invention relates to steel and iron industry and produce the technical field of equipment, particularly relate to a kind of rotary heating furnace soaking
Section gear fire device.
Background technology
In increasingly competitive market, oneself, at reduction cost by every means, improves in each enterprise
Competitiveness, for steel industry, technological process is the most stable cannot do bigger change, improves existing
Equipment and raising work efficiency is had to become the Main way reducing cost.In steel pipe Forging Technology, annular
Heating furnace is as one of key equipment therein, and its Main Function is to required process warm by heating steel billet
Degree, meets rolled by piercing mill temperature required, the energy consumption of rotary heating furnace and cost institute in whole technique simultaneously
Accounting example is high, therefore, safeguards that stablizing of equipment makes it can normally work within the duration, the not quilt because of accident
Compeling the most important thing that blowing out repairing is staff, the potential safety hazard of the investigation each parts of rotary heating furnace is to work as
The problem that must solve of front technical staff.
Be provided with preheating section, bringing-up section and soaking zone in rotary heating furnace, be provided with in soaking zone discharging opening and
Feeding mouth, both next-door neighbours, the very fast decline of temperature of soaking zone can be caused when pan feeding opens fire door, thus shadow
Ringing and forge temperature, the temperature that simultaneously will also result in feeding mouth is too high, it is impossible to performs the steel grades such as similar D2 and enters material temperature
Degree is less than 600 DEG C of requirements.In order to effectively control discharging opening and the temperature difference of charge door in soaking zone, prevent soaking
The heat of section overflows from discharging door, reduces suction cold wind at pan feeding fire door simultaneously and causes the steel billet heated
Cooling, generally arranges insulated wall between discharging opening and feeding mouth and is thermally shielded.Commonly use at present is
Tabular fiber gear fire beam, as it is shown in figure 1, it include by interval suspension hook 1 and heat-resisting round steel 2 form netted
Skeleton and fire-proof and thermal-insulation fibre module 3, heat-resisting round steel 2 and interval suspension hook 1 be welded into crisscross be connected netted
Skeleton, fire-proof and thermal-insulation fibre module 3 is wrapped in outside connection mesh skeleton, both fixed knot synthesis gear fire beams,
Hang in furnace roof steel catch member by interval suspension hook 1, across the stove cross direction exported at annular furnace soaking zone,
Its installation method is as shown in Figure 2.But this tabular fiber gear fire beam drops in continuous enabling discharging and blowing out
Temperature, in actual production process, the temperature difference of tabular fiber gear Huo Liang both sides is very big, the temperature requirement of discharging opening
At about 1300 DEG C, and the temperature requirement of charge door controls at about 600 DEG C, at the high temperature of such temperature difference
Under environment, fire-proof and thermal-insulation fibre module 3 use three months after fibre module 3 can because soaking zone temperature with go out
Steel mouth temperature difference generation acute variation and deformation, crack, eventual failure occur, thus cause in connecting framework
Heat-resisting round steel 2 be exposed under the high temperature of soaking zone 1300 DEG C, will soon scaling loss come off, anti-after coming off
Fire screen thermal fiber module 3 is scattered in the furnace bottom of annular furnace, causes charge door local to feed, prevents fires simultaneously
Heat insulation fiber module 3 comes off, and furnace roof can be caused to burn with anger so that in annular furnace, the temperature field in each temperature section meets with
To destroying, and generation interferes with each other so that discharging opening samming section temperature declines, and charge door temperature rises,
Steel billet annular furnace cannot normally produce, it is necessary to blowing out is rushed to repair, and usual maintenance cycle needs 3 days, not only increases
Maintenance cost, have impact on normal production, both can reduce the production capacity of steel billet annular furnace, the temperature of ejection steel billet
Cannot ensure, can bring again serious potential safety hazard, this is that existing rotary heating furnace is easiest to break down,
Also it is the most scabrous difficult problem.
Summary of the invention:
For problems of the prior art, the structure carrying out keeping off fire beam is improved, and both can guarantee that gear fire beam rises
To soaking zone insulation effect, can rupture in crack because of the change of internal-external temperature difference by anti-backstop fire beam again, thus ensure
The service life of gear fire beam, cost-effective, stop the potential safety hazard in producing, it is an object of the invention to provide
A kind of U-shaped compound gear fire beam preventing steel billet annular-heating temperature field in furnace mutual interference.
The technical scheme that the present invention takes is as follows:
A kind of U-shaped compound gear fire beam preventing steel billet annular-heating temperature field in furnace mutual interference, is characterized in that: bag
Include interval suspension hook, U-shaped heat-resistance stainless steel inner bag, U-shaped layers of insulating fabric, side inserts, bottom insets and U
The heat-resisting cast layer of type, is fixed with side inserts on the lateral surface of U-shaped heat-resistance stainless steel inner bag, U-shaped resistance to
The bottom of hot stainless steel inner container is fixed with bottom insets, and interval suspension hook is fixed on U-shaped heat-resistance stainless steel inner bag
On medial wall, and be connected with the side inserts of row is fixing, U-shaped layers of insulating fabric be arranged on U-shaped heat-resisting not
On the lateral wall of rust steel inner bag, side inserts and bottom insets, through U-shaped layers of insulating fabric, U-shaped heat-resisting water
Cast layer is arranged on the lateral surface of U-shaped layers of insulating fabric, and side inserts and bottom insets are all wrapped in U-shaped resistance to
In hot cast layer, U-shaped heat-resistance stainless steel inner bag, U-shaped layers of insulating fabric and U-shaped heat-resisting cast layer pass through side
Face insert and bottom insets form integral structure, are formed between the medial surface of U-shaped heat-resistance stainless steel inner bag
Insulated cavity, interval suspension hook is fixing to be lifted in furnace roof steel catch member, across export at annular furnace soaking zone
Stove cross direction.
Further, to be fixedly installed three row sides embedding for the lateral surface short transverse at U-shaped heat-resistance stainless steel inner bag
Part, often row side inserts is spaced apart.
Further, the lateral surface short transverse at U-shaped heat-resistance stainless steel inner bag is equidistantly fixedly installed three
Row side inserts.
Further, the bottom at U-shaped heat-resistance stainless steel inner bag is interval with bottom insets in the width direction.
Further, described bottom insets equidistant conllinear in the width direction is with arranging distribution.
Further, side inserts and bottom insets are provided with occlusion structure.
Further, described occlusion structure is: be provided with screw thread on the body of rod of side inserts and bottom insets.
Further, between the medial surface of U-shaped heat-resistance stainless steel inner bag, it is provided with cross struts.
Further, cross struts is arranged in the insulated cavity of U-shaped heat-resistance stainless steel inner bag, and the end of through
In the connecting hole of inserts top, portion section, form T-shaped supporting construction.
Owing to making single-layer plate-like fire-proof and thermal-insulation gear fire beam originally into U-shaped compound gear fire beam, described U-shaped is multiple
Close gear fire beam and passed through side by U-shaped heat-resistance stainless steel inner bag, U-shaped layers of insulating fabric and U-shaped heat-resisting cast layer
The integrative-structure that the occlusion casting of inserts, bottom insets solidify to form, is arranged on side inserts and bottom insets
Occlusion structure is had can preferably to increase the gmatjpdumamics between U-shaped layers of insulating fabric and U-shaped heat-resisting cast layer, no
Only eliminate the U-shaped heat-resisting cast layer degree of freedom at vertical direction, also eliminate U-shaped heat-resisting cast layer simultaneously
Degree of freedom in the horizontal direction, is provided with cross struts between the medial surface of U-shaped heat-resistance stainless steel inner bag,
The anti-pressure ability of U-shaped heat-resistance stainless steel inner bag can be strengthened, prevent U-shaped heat-resistance stainless steel inner bag at high temperature
Produce deformation, it is ensured that U-shaped heat-resistance stainless steel inner bag at high temperature will not cause because deflection is excessive rupturing.
The U-shaped three layers of fire-proof and thermal-insulation structure of the present invention are thicker than original single-layer plate-like fire-proof and thermal-insulation structural thickness, in the present invention
Cross section structure in, be sequentially provided with heat-resisting cast layer, layers of insulating fabric and heat-resistance stainless steel inner bag from outside to inside,
1300 DEG C of temperature fields in soaking zone are ensured by heat-resisting cast layer and layers of insulating fabric so that the heat of soaking zone
Measuring effectively obstruct, equally, 600 DEG C of temperature fields in preheating section are come by heat-resisting cast layer and layers of insulating fabric
Ensureing, U-shaped insulated cavity is to resist greatly to cause two-layer of the present invention between soaking zone and preheating section because of the temperature difference
The buffer structure of compound heat-insulation gear fire beam deformation, wherein, the elasticity of U-shaped heat-resistance stainless steel inner bag can disappear automatically
Except the deformation produced because of high temperature, three layers of fire-proof and thermal-insulation structure can the most anti-backstop fire beam internal-external temperature difference change and
Rupturing in crack, U-shaped insulated cavity is again the space-adiabatic structure of the present invention, and the present invention both can guarantee that soaking zone
Open the door time feeding time 1300 DEG C of temperature fields do not decline, can guarantee that again preheating section open the door time blowing time 600
DEG C temperature field does not rises.Through the actually used checking of applicant, use the present invention can increase substantially gear
In the service life of fire beam, soaking zone and preheating section respective temperature fluctuation value, the use of gear fire beam can be reduced again
Life-span increases to more than 3 years from prior art for three months, eliminates gear fire beam and ruptures and all kinds of accidents that cause,
Ensure that effective production time, substantial amounts of maintenance time can be saved with cost, it is ensured that hot rolling rotary heating furnace
Energy consumption index, service life, overall economic efficiency ten is notable.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of existing gear fire beam；
Fig. 2 is the mounting structure schematic diagram of existing gear fire beam；
Fig. 3 is the structural representation of the present invention；
Fig. 4 is the mounting structure schematic diagram of the present invention；
In figure: 1-is spaced suspension hook；The heat-resisting round steel of 2-；3-fire-proof and thermal-insulation fibre module；4-U type heat-resistance stainless steel
Inner bag；5-U shape layers of insulating fabric；6-side inserts；7-bottom insets；The heat-resisting cast layer of 8-U type；
9-insulated cavity；10-occlusion structure；11-cross struts；12-connecting hole.
Detailed description of the invention:
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described.
A kind of U-shaped compound gear fire beam preventing steel billet annular-heating temperature field in furnace mutual interference, as shown in figs. 34,
Including interval suspension hook 1, U-shaped heat-resistance stainless steel inner bag 4, U-shaped layers of insulating fabric 5, side inserts 6, the end
Portion's inserts 7 and U-shaped heat-resisting cast layer 8, in the lateral surface short transverse etc. of U-shaped heat-resistance stainless steel inner bag 4
Spacing is fixedly installed three row side inserts 6, in the bottom of U-shaped heat-resistance stainless steel inner bag 4 in the width direction
Equidistantly conllinear is provided with bottom insets 7 with row, and interval suspension hook 1 is fixed on U-shaped heat-resistance stainless steel inner bag 4
On medial wall, and being connected with fixing with the side inserts 6 of row, U-shaped layers of insulating fabric 5 is arranged on U-shaped resistance to
On the lateral wall of hot stainless steel inner container 4, side inserts 6 and bottom insets 7 pass U-shaped layers of insulating fabric 5,
U-shaped heat-resisting cast layer 8 is arranged on the lateral surface of U-shaped layers of insulating fabric 5, and side inserts 6 and bottom are embedding
Part 7 is all wrapped in U-shaped heat-resisting cast layer 8, is provided with on the body of rod of side inserts 6 and bottom insets 7
Occlusion structure 10, described occlusion structure 10 is screw thread, U-shaped heat-resistance stainless steel inner bag 4, U-shaped heat insulation fiber
Layer 5 and U-shaped heat-resisting cast layer 8 form integral structure, at U by side inserts 6 and bottom insets 7
Insulated cavity 9 is formed, at U-shaped heat-resistance stainless steel inner bag 4 between the medial surface of type heat-resistance stainless steel inner bag 4
Medial surface between be provided with cross struts 11, cross struts 11 is arranged on U-shaped heat-resistance stainless steel inner bag 4
Insulated cavity 9 in, and through bottom insets 7 section of top connecting hole 12 in, formed T-shaped supporting construction,
Interval suspension hook 1 is fixing to be lifted in furnace roof steel catch member, across the stove cross direction exported at annular furnace soaking zone.
This U-shaped compound gear fire beam can be used for preheating section and samming section, if pre-in steel billet rotary heating furnace
All using the present invention between hot arc, bringing-up section and samming section, in rotary heating furnace, the temperature field of each functional section is more
Stable, equipment reliability of operation, safety is more preferable, and service life increases substantially, and can eliminate because of gear fire
The various kinds of equipment fault that beam ruptures and causes, the temperature that the production capacity of equipment, steel billet are come out of the stove is more stable.
Claims (9)
1. prevent a U-shaped compound gear fire beam for steel billet annular-heating temperature field in furnace mutual interference, it is characterized in that:
Embedding including interval suspension hook (1), U-shaped heat-resistance stainless steel inner bag (4), U-shaped layers of insulating fabric (5), side
Part (6), bottom insets (7) and U-shaped heat-resisting cast layer (8), U-shaped heat-resistance stainless steel inner bag (4)
Lateral surface on be fixed with side inserts (6), be fixed with the end in the bottom of U-shaped heat-resistance stainless steel inner bag (4)
Portion's inserts (7), interval suspension hook (1) is fixed on the medial wall of U-shaped heat-resistance stainless steel inner bag (4), and
Being connected with fixing with the side inserts (6) of row, U-shaped layers of insulating fabric (5) is arranged on U-shaped heat-resisting stainless
On the lateral wall of steel inner bag (4), side inserts (6) and bottom insets (7) are through U-shaped layers of insulating fabric
(5), U-shaped heat-resisting cast layer (8) is arranged on the lateral surface of U-shaped layers of insulating fabric (5), and side is embedding
Part (6) and bottom insets (7) are all wrapped in U-shaped heat-resisting cast layer (8), in U-shaped heat-resistance stainless steel
Gallbladder (4), U-shaped layers of insulating fabric (5) and U-shaped heat-resisting cast layer (8) pass through side inserts (6) and the end
Portion's inserts (7) forms integral structure, is formed between the medial surface of U-shaped heat-resistance stainless steel inner bag (4)
Insulated cavity (9), interval suspension hook (1) is fixing to be lifted in furnace roof steel catch member, across in annular furnace soaking
The stove cross direction of section outlet.
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 1
Beam, is characterized in that: the lateral surface short transverse U-shaped heat-resistance stainless steel inner bag (4) is fixedly installed three rows
Side inserts (6), often row side inserts (6) is spaced apart.
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 2
Beam, is characterized in that: the lateral surface short transverse U-shaped heat-resistance stainless steel inner bag (4) is equidistantly fixedly installed
There are three row sides inserts (6).
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 1
Beam, is characterized in that: be interval with bottom in the width direction in the bottom of U-shaped heat-resistance stainless steel inner bag (4) embedding
Part (7).
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 4
Beam, is characterized in that: described bottom insets (7) equidistant conllinear in the width direction is with arranging distribution.
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 1
Beam, is characterized in that: be provided with occlusion structure (10) on side inserts (6) and bottom insets (7).
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 6
Beam, is characterized in that: described occlusion structure (10) is: at side inserts (6) and bottom insets (7)
The body of rod is provided with screw thread.
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 1
Beam, is characterized in that: be provided with cross struts (11) between the medial surface of U-shaped heat-resistance stainless steel inner bag (4).
Prevent the U-shaped compound gear fire of steel billet annular-heating temperature field in furnace mutual interference the most according to claim 8
Beam, is characterized in that: cross struts (11) is arranged on the insulated cavity (9) of U-shaped heat-resistance stainless steel inner bag (4)
In, and push up through bottom insets (7) in the connecting hole (12) of section, form T-shaped supporting construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368854.4A CN105928363A (en) | 2016-05-28 | 2016-05-28 | U-shaped compound fire damper beam capable of avoiding interference between temperature fields in steel billet annular heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368854.4A CN105928363A (en) | 2016-05-28 | 2016-05-28 | U-shaped compound fire damper beam capable of avoiding interference between temperature fields in steel billet annular heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928363A true CN105928363A (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610368854.4A Pending CN105928363A (en) | 2016-05-28 | 2016-05-28 | U-shaped compound fire damper beam capable of avoiding interference between temperature fields in steel billet annular heating furnace |
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Citations (6)
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|---|---|---|---|---|
| CN2450533Y (en) * | 2000-11-09 | 2001-09-26 | 烟台鲁宝钢管有限责任公司 | Non-water-cooled fire bulkhead |
| CN2519228Y (en) * | 2002-01-18 | 2002-10-30 | 邯郸钢铁股份有限公司 | Water cooling free upper end wall for heating furnace |
| CN2519227Y (en) * | 2002-01-18 | 2002-10-30 | 邯郸钢铁股份有限公司 | Choke wall without water cooling for heating furnace |
| CN201311184Y (en) * | 2008-10-27 | 2009-09-16 | 上海宝钢工业检测公司 | Open type depression structure of walking beam furnace |
| CN202403527U (en) * | 2012-01-11 | 2012-08-29 | 扬州冶金机械有限公司 | Partition wall of annular furnace |
| CN205784548U (en) * | 2016-05-28 | 2016-12-07 | 江苏常宝钢管股份有限公司 | A kind of U-shaped compound gear fire beam preventing steel billet annular-heating temperature field in furnace mutual interference |
-
2016
- 2016-05-28 CN CN201610368854.4A patent/CN105928363A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2450533Y (en) * | 2000-11-09 | 2001-09-26 | 烟台鲁宝钢管有限责任公司 | Non-water-cooled fire bulkhead |
| CN2519228Y (en) * | 2002-01-18 | 2002-10-30 | 邯郸钢铁股份有限公司 | Water cooling free upper end wall for heating furnace |
| CN2519227Y (en) * | 2002-01-18 | 2002-10-30 | 邯郸钢铁股份有限公司 | Choke wall without water cooling for heating furnace |
| CN201311184Y (en) * | 2008-10-27 | 2009-09-16 | 上海宝钢工业检测公司 | Open type depression structure of walking beam furnace |
| CN202403527U (en) * | 2012-01-11 | 2012-08-29 | 扬州冶金机械有限公司 | Partition wall of annular furnace |
| CN205784548U (en) * | 2016-05-28 | 2016-12-07 | 江苏常宝钢管股份有限公司 | A kind of U-shaped compound gear fire beam preventing steel billet annular-heating temperature field in furnace mutual interference |
Non-Patent Citations (1)
| Title |
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| 余自苏: "《管与钢生产工艺技术》", 四川科学技术出版社, pages: 20 * |
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