CN203837492U - Intermediate-frequency furnace constructing furnace pipe - Google Patents
Intermediate-frequency furnace constructing furnace pipe Download PDFInfo
- Publication number
- CN203837492U CN203837492U CN201420247590.3U CN201420247590U CN203837492U CN 203837492 U CN203837492 U CN 203837492U CN 201420247590 U CN201420247590 U CN 201420247590U CN 203837492 U CN203837492 U CN 203837492U
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- China
- Prior art keywords
- furnace
- flue
- brickwork
- arc side
- intermediate frequency
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- Expired - Lifetime
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- 239000000725 suspension Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 238000000465 moulding Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004904 shortening Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The embodiment of the utility model provides an intermediate-frequency furnace constructing furnace pipe. An original integrated furnace pipe is arranged to be three-petal type arc side plates and a base plate round plate, wherein the three-petal type arc side plates and the base plate round plate are detachable. The three-petal type arc side plates are spliced together through positioning clamping springs. A detachable mode is adopted, compared with the integrated furnace pipe, needed drawing assistance is little, the requirement for solidification strength of furnace burden is lower, the initial setting time is shorter, and therefore the demolding time is shortened, preliminary drying of a mold can be conveniently performed in advance, and time for stopping, repairing and constructing a furnace is shortened. Meanwhile, the inner side arc faces of the three-petal type arc side plates are provided with ribs, the structural strength of each side plate is enhanced, and the requirement for easy cavity disengagement is met. The base plate round plate is further provided with a lifting hook, a specific force bearing point is added to the base plate round plate, and demolding can be conveniently conducted on the base plate round plate as long as upward demolding force is exerted on a lifting part. The intermediate-frequency furnace constructing furnace pipe is simple in structure, long in service life, short in injection molding time and capable of greatly improving production efficiency.
Description
Technical field
The utility model relates to a kind of intermediate frequency brickwork flue.
Background technology
At present, it is open circles bench-type, steel roll type etc. that conventional intermediate frequency furnace is built flue, and through 1750 ° of molten steel contacts, furnace lining flame-proof thermal insulation material is subject to molten steel erosion, scaling loss in process of production, needs to build in time stove and guarantees normal smelting production.
Build in stove process, first brickwork material is mixed, stirred, with flue, make brickwork again and support, toward flue, go to the bottom and build furnace charge around, use oscillating column pump jolt ramming, at the beginning of 8-12 hours, solidify, treat that furnace lining brickwork material is fully dry, have rapping circular platform type flue after certain support strength, so that itself and furnace lining are loosening, with the lifting of lifting facility, enter preliminary drying heater stage.
In brickwork process, brickwork courage and brickwork material contact area are larger, and brickwork solidifying body, furnace charge volume contraction, treat that it fully solidifies, and have after certain support strength, can be by rapping, make flue and body of heater depart from, lift by crane, meanwhile, need larger molding power just can hang out outside stove.Generally, flue and body of heater depart from needs about 10 hours.
Summary of the invention
For solving the problem of prior art brickwork overlong time, the utility model embodiment provides a kind of intermediate frequency brickwork flue, not only can shorten the time that stops mending brickwork, also increases the structural strength of every block of side plate, and described technical scheme is as follows:
A kind of intermediate frequency brickwork flue, comprise three-clove style arc side plate and chassis plectane, described three-clove style arc side plate is spliced to form hollow cone post by location jump ring, described hollow cone column wall is provided with rib, and described chassis plectane is provided with two-stage ladder near circumference place, wherein, the diameter of higher level's step circular plate is identical with the internal diameter of hollow cone post lower port, the diameter of subordinate's step circular plate is identical with the external diameter of hollow cone post lower port, and in addition, the upper surface center of described chassis disk is provided with suspension hook.
Preferably, the spacing of described flue external wall of upper portion and inboard wall of furnace body is greater than 75mm, and the spacing of described flue bottom outer wall and inboard wall of furnace body is greater than 200mm.
Preferably, the position of described flue fire door is higher than the position of the fire door of intermediate frequency furnace.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model embodiment provides a kind of intermediate frequency brickwork flue, original integral type flue is arranged to detachable three-clove style arc side plate and chassis plectane, three-clove style arc side plate is stitched together by location jump ring, adopt detachable mode, compare with whole flue, the molding power-assisted needing is less, to furnace charge set strength, require lower, presetting period is shorter, thereby shortening demould time, be convenient to shift to an earlier date pre-mould drying, shorten the time that stops mending brickwork, simultaneously, inside three-clove style arc side plate, cambered surface is provided with rib, increase the structural strength of every block of side plate, reach the requirement that is easy to de-chamber, on the plectane of chassis, be also provided with suspension hook, make to have increased on the plectane of chassis concrete stress point, as long as lifting part is applied to knockout press upwards, just can to chassis plectane, carry out the demoulding easily, intermediate frequency brickwork flue described in the utility model, simple in structure, life cycle is long, the injection molding time is short, and production efficiency is improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of intermediate frequency brickwork flue described in the utility model embodiment;
Fig. 2 is the first structural representation of the location jump ring of intermediate frequency brickwork flue described in the utility model embodiment;
Fig. 3 is the second structural representation of the location jump ring of intermediate frequency brickwork flue described in the utility model embodiment;
Fig. 4 is the structural representation that intermediate frequency brickwork flue coordinates with intermediate frequency furnace body described in the utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of intermediate frequency brickwork flue, comprise three-clove style arc side plate 1 and chassis plectane 2, three-clove style arc side plate 1 shape size is identical, the radian of each piece arc side plate 1 is respectively 120 °, adopt three-clove style arc side plate, compare with whole flue, the molding power-assisted needing is less, to furnace charge set strength, require lower, presetting period is shorter, thereby shortening demould time, be convenient to shift to an earlier date pre-mould drying, shorten the time that stops mending brickwork, concrete, the thickness of three-clove style arc side plate 1 is 5-6mm, the inwall of three-clove style arc side plate 1 is left, right both sides are respectively equipped with location jump ring 4, three-clove style arc side plate 1 is connected between two by location jump ring 4, be spliced to form hollow cone post, three-clove style arc side plate 1 cambered surface inwall is provided with rib 3, increase the structural strength of every block of side plate, improve the requirement of strength of three-clove style hollow cone post flue resistance to compression and anti-folding, after making brickwork, three-clove style arc side plate easily departs from from the furnace lining of moulding, concrete, the width of rib 3 is 30-50mm, thickness is 3-4mm.Meanwhile, as shown in Figure 3, when rib 3 is arranged on the side of arc side plate 1, location jump ring 4 is arranged on rib 3, and arc side plate 1 splices between two, and the rib 3 on dual-side is butt between two also, and the location jump ring 4 being arranged on rib 3 engages mutually.On chassis plectane 2, near circumference, be provided with two-stage ladder, wherein, the diameter of higher level's step circular plate is identical with the internal diameter of the hollow cone post lower port that arc side plate 1 forms, the inner side of hollow cone post lower port and the outside of higher level's step circular plate are tangent, the bottom surface of lower port is connected on secondary step circular plate, the diameter of subordinate's step circular plate is identical with the external diameter of hollow cone post lower port, three-clove style arc side plate and chassis plectane are fitted together, bottom to three-clove style arc side plate seals, and chassis plectane can easily not be subjected to displacement yet simultaneously.
As shown in Figure 1, intermediate frequency brickwork flue described in the utility model embodiment, the upper surface center of chassis plectane 2 is provided with lifting part 5, by lifting part 5 is set, make to have increased on chassis plectane 2 concrete stress point, as long as lifting part is applied to knockout press upwards, just can to chassis plectane, carry out the demoulding easily, lifting part is not set mutually than before, make chassis plectane there is no stress point, be difficult for chassis plectane to apply knockout press upwards, concrete, lifting part 5 is suspension hook.
As shown in Figure 4, intermediate frequency brickwork flue top 6 outer walls described in the utility model embodiment and the spacing of inboard wall of furnace body 8 are greater than 75mm, and the spacing of described flue bottom 7 outer walls and inboard wall of furnace body 8 is greater than 200mm, makes the thickness on the brickwork material top of intermediate frequency furnace be greater than 75mm; The thickness of bottom is greater than 200mm, to meet the technological requirement of the resistance to molten steel etch of body of heater brickwork material in intermediate frequency furnace smelting.
Before material does not carry out rapping compacting, material is loose, there is a large amount of spaces in the inside, the volume of material requested is greater than the gap between flue and intermediate frequency furnace furnace wall, and for avoiding when the brickwork, material can be scattering in flue because of carelessness, so as shown in Figure 4, the fire door position of the intermediate frequency brickwork flue described in the utility model embodiment is higher than the fire door position of intermediate frequency furnace, concrete, and the furnace table surface of the aspect ratio intermediate frequency furnace of intermediate frequency brickwork flue exceeds 300mm.
Described in the utility model embodiment, the using method of intermediate frequency brickwork flue is as follows:
Body of heater internal cleaning is clean, then brickwork material is mixed, stirred, in induction coil, place asbestos cloth, keep smooth, make flue vertically be placed in up and down induction coil center position, with flue, make brickwork and support, toward flue, go to the bottom and build furnace charge around, use oscillating column pump jolt ramming, at the beginning of 8-12 hours, solidify, treat that furnace lining brickwork material is fully dry, there is rapping circular platform type flue after certain support strength, so that itself and furnace lining are loosening, with the lifting of lifting facility, enter preliminary drying heater stage.
The utility model embodiment provides a kind of intermediate frequency brickwork flue, original integral type flue is arranged to detachable three-clove style arc side plate and chassis plectane, three-clove style arc side plate is stitched together by location jump ring, adopt detachable mode, compare with whole flue, the molding power-assisted needing is less, to furnace charge set strength, require lower, presetting period is shorter, thereby shortening demould time, be convenient to shift to an earlier date pre-mould drying, shorten the time that stops mending brickwork, simultaneously, inside three-clove style arc side plate, cambered surface is provided with rib, increase the structural strength of every block of side plate, reach the requirement that is easy to de-chamber, on the plectane of chassis, be also provided with suspension hook, make to have increased on the plectane of chassis concrete stress point, as long as lifting part is applied to knockout press upwards, just can to chassis plectane, carry out the demoulding easily, intermediate frequency brickwork flue described in the utility model, simple in structure, life cycle is long, the injection molding time is short, and production efficiency is improved.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. an intermediate frequency brickwork flue, comprise three-clove style arc side plate and chassis plectane, described three-clove style arc side plate is spliced to form hollow cone post by location jump ring, described hollow cone column wall is provided with rib, and described chassis plectane is provided with two-stage ladder near circumference place, wherein, the diameter of higher level's step circular plate is identical with the internal diameter of hollow cone post lower port, the diameter of subordinate's step circular plate is identical with the external diameter of hollow cone post lower port, and in addition, the upper surface center of described chassis disk is provided with suspension hook.
2. intermediate frequency brickwork flue according to claim 1, is characterized in that, the spacing of described flue external wall of upper portion and inboard wall of furnace body is greater than 75mm, and the spacing of described flue bottom outer wall and inboard wall of furnace body is greater than 200mm.
3. intermediate frequency brickwork flue according to claim 2, is characterized in that, the position of described flue fire door is higher than the position of the fire door of intermediate frequency furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247590.3U CN203837492U (en) | 2014-05-15 | 2014-05-15 | Intermediate-frequency furnace constructing furnace pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247590.3U CN203837492U (en) | 2014-05-15 | 2014-05-15 | Intermediate-frequency furnace constructing furnace pipe |
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| Publication Number | Publication Date |
|---|---|
| CN203837492U true CN203837492U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420247590.3U Expired - Lifetime CN203837492U (en) | 2014-05-15 | 2014-05-15 | Intermediate-frequency furnace constructing furnace pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520305A (en) * | 2018-12-31 | 2019-03-26 | 广西玉柴机器股份有限公司 | A kind of industry smelting furnace kiln mouth builds equipment and operating method |
| CN109648698A (en) * | 2018-12-17 | 2019-04-19 | 包头钢铁（集团）有限责任公司 | A kind of method of knotting intermediate frequency furnace acid lining demoulding |
-
2014
- 2014-05-15 CN CN201420247590.3U patent/CN203837492U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648698A (en) * | 2018-12-17 | 2019-04-19 | 包头钢铁（集团）有限责任公司 | A kind of method of knotting intermediate frequency furnace acid lining demoulding |
| CN109520305A (en) * | 2018-12-31 | 2019-03-26 | 广西玉柴机器股份有限公司 | A kind of industry smelting furnace kiln mouth builds equipment and operating method |
| CN109520305B (en) * | 2018-12-31 | 2024-04-12 | 广西玉柴机器股份有限公司 | Construction equipment and operation method for kiln nozzle of industrial smelting furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: 430080 No. 6, No. 2 Middle Road, Mechanic Repair Workshop, Qingshan District, Wuhan City, Hubei Province Patentee after: WISCO Zhongye Industrial Technology Service Co.,Ltd. Address before: No. 121 Wuchang road 436099 Ezhou city of Hubei Province, the city of Hubei Patentee before: HUBEI E'GANG AFFILIATED ENTERPRISE GENERAL Corp. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |