CN103966419B - A kind of heater for rolling steel heat temperature resisting sliding lumps - Google Patents
A kind of heater for rolling steel heat temperature resisting sliding lumps Download PDFInfo
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- CN103966419B CN103966419B CN201410220826.9A CN201410220826A CN103966419B CN 103966419 B CN103966419 B CN 103966419B CN 201410220826 A CN201410220826 A CN 201410220826A CN 103966419 B CN103966419 B CN 103966419B
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Abstract
The invention provides a kind of heater for rolling steel heat temperature resisting sliding lumps, this heat temperature resisting sliding lumps sets up half groove on existing heat temperature resisting sliding lumps, and half groove laterally runs through heat temperature resisting sliding lumps top, and a manhole is arranged at bottom.Slide block lower surface is arc surface, and its radius is identical with vertical water pipe external diameter, and the two sides angle of arc surface is 90 °.The present invention is by arranging half groove, effectively can eliminate the inner longitudinal dilatation power of heat temperature resisting sliding lumps, the vertical water pipe fracture avoiding heat temperature resisting sliding lumps longitudinal dilatation power to cause, simultaneously the arc surface of lower surface can laminating seamless with vertical water pipe, 90 ° of angles of two sides form the fillet weld of welding, and heat-resisting enhance slide block, to the heat transfer of vertical water pipe, effectively reduces the temperature of heat temperature resisting sliding lumps, the longitudinal dilatation power that further minimizing heat temperature resisting sliding lumps inside produces, avoids the transverse breakage of vertical water pipe.Heater for rolling steel heat temperature resisting sliding lumps production technique of the present invention is simple, with low cost, effectively can reduce number of times and the time of shutdown maintenance, thus reaches volume increase, energy-conservation, the object that lowers consumption.
Description
Technical field
The present invention relates to heater for rolling steel water beam slide block structure technical field, be specifically related to a kind of heater for rolling steel heat temperature resisting sliding lumps.
Background technology
Process furnace is equipment important in Steel Mill, its effect is by steel ingot or the heating steel billet temperature to rolling, in pusher-type furnace, steel ingot or steel billet be placed on heat temperature resisting sliding lumps is housed vertical water beam (namely vertical water pipe) on, by pusher, steel ingot or steel billet are pushed to heating-furnace head from process furnace afterbody and complete heating.
The heat temperature resisting sliding lumps stock size of existing process furnace is 200 × 70 × 50mm, is made up of high temperature steel, and heat temperature resisting sliding lumps is welded on vertical water beam.
In process of production, the phenomenon of vertical water beam and heat temperature resisting sliding lumps weld transverse breakage can occur, cause leaked water in vertical water beam and must blowing out process, impact is normally produced.This phenomenon occur reason mainly contain three aspects: 1, heat temperature resisting sliding lumps be heated after longitudinal dilatation power excessive, water pipe will be indulged and " tear " crackle.2, the thrust of pusher, make steel billet easily " stuck " on slide block, thus slide block is suffered to be added in the thrust of steel billet from pusher on the vertical water beam that welds together with it.3, the laminating between heat temperature resisting sliding lumps and vertical water pipe, rack of fusion, cause heat temperature resisting sliding lumps bad to the heat transfer of vertical water pipe, and heat temperature resisting sliding lumps entirety is heated inequality and temperature is too high, causes bulging force excessive and will indulge water pipe and " tear " crackle.
At present, serious in uneven problem of conduct heat to vertical water beam for slide block expanded by heating, many producers make improvement to heat temperature resisting sliding lumps, mainly through increasing the heat that thermal resistance minimizing steel billet transmits to water beam, as the refractory alloy adopting thermal resistance larger, the general cost of this mode is higher.Or adopting the mode of composite casting, slider bottom adopts the low top of heat resisting temperature to adopt the alloy manufacture that heat resisting temperature is high, and the thermal resistance that this mode is generally produced exists the higher problem of relative internal resistance equally, and production process is complicated.
Therefore, the heat temperature resisting sliding lumps vertical water beam can being avoided to tear because heat temperature resisting sliding lumps expands for the design that solves the problem is a, reduces costs and production complexity, just problem to be solved by this invention simultaneously.
Summary of the invention
The object of the invention is to provide a kind of heater for rolling steel heat temperature resisting sliding lumps, excessive and the problem that crackle " torn " by water pipe will be indulged to solve thermal expansion force that existing process furnace causes because heat temperature resisting sliding lumps temperature is too high, also solving heat between existing process furnace heat temperature resisting sliding lumps and vertical water pipe transmits bad problem simultaneously, reduce furnace outage time and the blowing out number of times of process furnace, reach the object of decline consume.
The object of the invention is achieved through the following technical solutions: provide a kind of heater for rolling steel heat temperature resisting sliding lumps, half groove is provided with in the middle of described heat temperature resisting sliding lumps top, described half groove laterally runs through described heat temperature resisting sliding lumps, described half well width is 3-7mm, the degree of depth is 30-40mm, and described half groove lower end is cast with the manhole that diameter is 5-10mm; Wherein, described manhole diameter is greater than described half well width.
Preferably, the lower surface of described heat temperature resisting sliding lumps casts the arc surface that radius is R, and described arc surface two sides angle is 90 °; Wherein, described R is identical with described vertical water pipe external diameter size, and described arc surface two sides form the fillet weld of welding with described vertical water pipe.
Preferably, described half well width is 5mm, and the degree of depth is 40mm, and described manhole diameter is 10mm.
Preferably, described slide block has an inclined-plane at a upper lateral part of steel billet delivery direction, and a upper lateral part of meeting to steel billet delivery direction of described half groove also has an inclined-plane.
Compared with prior art, the present invention has following beneficial effect:
Heater for rolling steel heat temperature resisting sliding lumps of the present invention, by arranging half groove that laterally runs through heat temperature resisting sliding lumps in the middle of described heat temperature resisting sliding lumps, the manhole of half groove and bottom can eliminate the inner thermal expansion force due to the too high generation of temperature of heat temperature resisting sliding lumps, when the arranging of manhole can make half groove of heat temperature resisting sliding lumps be in the thrust be subject to from steel billet, half trench bottom uniform force, reduces heat temperature resisting sliding lumps easily produces crack or fracture risk owing to being provided with half groove.Simultaneously, described heat temperature resisting sliding lumps lower surface is cast the radius arc surface identical with vertical water pipe external diameter, plane included angle, arc surface both sides is 90 °, heat temperature resisting sliding lumps is fitted tightly with vertical water pipe, be conducive to heat temperature resisting sliding lumps to vertical water pipe uniformly transfer heat, the fillet weld that arc surface both sides are formed simultaneously makes bonding area strengthen, and further enhances heat temperature resisting sliding lumps and conducts heat to vertical water pipe, thus effectively reduces the impact of the thermal expansion force that heat temperature resisting sliding lumps produces.And heat temperature resisting sliding lumps one end and the inclined-plane set by half groove side, steel billet can be convenient to slide on heat temperature resisting sliding lumps, reduce steel billet to the thrust of slide block, eliminating heat temperature resisting sliding lumps may make thrust act on vertical water pipe by heat temperature resisting sliding lumps to cause its impact of " being torn " by " stuck " steel billet.
Heater for rolling steel heat temperature resisting sliding lumps production technique of the present invention is simple, with low cost, and by eliminating self thermal expansion force of heat temperature resisting sliding lumps, avoid the accident generation that vertical water pipe " is torn " crackle well, effectively can reduce number of times and the time of shutdown maintenance, thus reach volume increase, energy-conservation, consumption reduction object.
Accompanying drawing explanation
Fig. 1 is the front view of heater for rolling steel heat temperature resisting sliding lumps of the present invention;
Fig. 2 is the vertical view of heater for rolling steel heat temperature resisting sliding lumps of the present invention;
Fig. 3 is the side-view of heater for rolling steel heat temperature resisting sliding lumps of the present invention.
Label declaration: 1-arc surface side, 2-inclined-plane, 3-arc surface, 4-half groove, 5-manhole, a-its length, b-slide block width, c-slide block height, d-half groove depth, e-half well width, R-radius.
Embodiment
For better the present invention being described, hereby with a preferred embodiment, and coordinate accompanying drawing 1, Fig. 2 and Fig. 3 elaborate to the present invention, specific as follows:
Refer to Fig. 1, Fig. 2 and Fig. 3, be a kind of heater for rolling steel heat temperature resisting sliding lumps of the present invention, heat temperature resisting sliding lumps is that casting heat resistant steel forms.Heat temperature resisting sliding lumps stock size is: its length a is 160 ~ 200mm, slide block width b is 60 ~ 70mm, and slide block height c is 50 ~ 60mm, and the heat temperature resisting sliding lumps preferred size in the present embodiment is: its length a is 200mm, slide block width b is 70mm, and slide block height c is 50mm.
As shown in Figure 1 and Figure 2, be provided with half groove 4, half groove 4 in the middle of the top of heat temperature resisting sliding lumps and laterally run through heat temperature resisting sliding lumps, half groove depth d is 30 ~ 40mm, and half well width e is 3 ~ 7mm, and half groove 4 lower end is cast with the manhole 5 that diameter is 5 ~ 10mm.The diameter R5 of manhole 5 is greater than half well width e.Half groove 4 that heat temperature resisting sliding lumps is arranged and the manhole 5 of its underpart effectively can eliminate longitudinal thermal expansion force that heat temperature resisting sliding lumps inside produces, and then reduce thermal expansion force to the transmission of vertical water pipe, avoid vertical water pipe and " are torn " crackle because of under tension.And manhole 5 arrange when half groove of heat temperature resisting sliding lumps can be made to be in the thrust be subject to from steel billet, the bottom uniform force of half groove 4, reduces heat temperature resisting sliding lumps easily produces crack or fracture occurs risk owing to being provided with half groove 4.
Preferably, half groove depth d in the present embodiment is 40mm, and half well width e is 5mm, and the diameter R5 of the manhole 5 of half groove 4 lower end is 10mm.
In embodiments of the invention, heat temperature resisting sliding lumps also has inclined-plane 2, and as shown in Figure 1 and Figure 2, wherein, inclined-plane 21 is positioned at the upper lateral part of heat temperature resisting sliding lumps at steel billet delivery direction, and inclined-plane 22 is positioned at half groove and is meeting the upper lateral part to steel billet delivery direction.The setting on inclined-plane 2 can be convenient to steel billet forward slip on heat temperature resisting sliding lumps, reduces the resistance of steel billet to slide block, thus eliminates the impact of heat temperature resisting sliding lumps possibility " stuck " steel billet.
As shown in Figure 3, the arc surface 3 of to be radius be in heat temperature resisting sliding lumps bottom R, wherein, the size of R is identical with the external diameter size of vertical water pipe in heat temperature resisting sliding lumps bottom design in the embodiment of the present invention.On heat temperature resisting sliding lumps, arc surface 3 both sides also have two arc surface sides 11,12, and the angle of arc surface side 11,12 is 90 °.Adopt this structure to make heat temperature resisting sliding lumps arc surface 3 and vertical water pipe good fit, the heat being convenient to heat temperature resisting sliding lumps conducts well to vertical water pipe, thus reduces the generation of longitudinal thermal expansion force of heat temperature resisting sliding lumps.Simultaneously, two arc surface side 11,12 angles in 90 °, both ensure that heat temperature resisting sliding lumps and the certain contact area of vertical water pipe, avoided again because angle is excessive, heat temperature resisting sliding lumps and the excessive heat temperature resisting sliding lumps bottom heat radiation caused of vertical water pipe contact area too fast, heat temperature resisting sliding lumps entirety is heated uneven problem.And these 90 ° of angles are convenient to two arc surface sides 11,12 of heat temperature resisting sliding lumps and the fillet weld of tube wall formation for welding of vertical water pipe, compare the weld seam of other types, the bonding area of fillet weld strengthens, also can strengthen heat temperature resisting sliding lumps to conduct heat to vertical water pipe, thus reduce the impact of the thermal expansion force that heat temperature resisting sliding lumps inside produces further.
The heat temperature resisting sliding lumps of the embodiment of the present invention can avoid vertical water pipe " to tear " crackle due to longitudinal pulling force effectively.Thus prevent vertical water pipe fracture accident from occurring, and then reduce blowing out number of times and time and reach volume increase, the energy-conservation and object that lowers consumption.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art is in the technical scope that the present invention discloses; the distortion do the present invention or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (3)
1. a heater for rolling steel heat temperature resisting sliding lumps, be arranged on a vertical water pipe, it is characterized in that: in the middle of described heat temperature resisting sliding lumps top, be provided with half groove, described half groove laterally runs through described heat temperature resisting sliding lumps, described half well width is 3-7mm, the degree of depth is 30-40mm, and described half groove lower end is cast with the manhole that diameter is 5-10mm;
Wherein, described manhole diameter is greater than described half well width;
The lower surface of described heat temperature resisting sliding lumps casts the arc surface that radius is R, and described arc surface two sides angle is 90 °;
Wherein, described R is identical with described vertical water pipe external diameter size, and described arc surface two sides form the fillet weld of welding with described vertical water pipe.
2. heater for rolling steel heat temperature resisting sliding lumps according to claim 1, is characterized in that, described half well width is 5mm, and the degree of depth is 40mm, and described manhole diameter is 10mm.
3. heater for rolling steel heat temperature resisting sliding lumps according to claim 1, is characterized in that, described slide block has an inclined-plane at a upper lateral part of steel billet delivery direction, and a upper lateral part of meeting to steel billet delivery direction of described half groove also has an inclined-plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410220826.9A CN103966419B (en) | 2014-05-23 | 2014-05-23 | A kind of heater for rolling steel heat temperature resisting sliding lumps |
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| CN201410220826.9A CN103966419B (en) | 2014-05-23 | 2014-05-23 | A kind of heater for rolling steel heat temperature resisting sliding lumps |
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| CN103966419A CN103966419A (en) | 2014-08-06 |
| CN103966419B true CN103966419B (en) | 2016-04-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357647B (en) * | 2014-11-26 | 2017-01-04 | 攀枝花钢城集团有限公司 | Pusher-type heating-furnace steel-tapping slide rail |
| CN107916327A (en) * | 2017-10-24 | 2018-04-17 | 芜湖新兴铸管有限责任公司 | Heater for rolling steel |
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| CN203508955U (en) * | 2013-08-30 | 2014-04-02 | 泰州枫叶冶金设备有限公司 | Composite casting type heat-resisting sliding block casting die |
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| CN203855623U (en) * | 2014-05-23 | 2014-10-01 | 上海宝钢节能环保技术有限公司 | Heat-resisting slide block of steel rolling heating furnace |
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2014
- 2014-05-23 CN CN201410220826.9A patent/CN103966419B/en active Active
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| CN2489291Y (en) * | 2001-07-31 | 2002-05-01 | 广东省韶关钢铁集团有限公司 | Slide track slide block for heating furnace |
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| CN203508955U (en) * | 2013-08-30 | 2014-04-02 | 泰州枫叶冶金设备有限公司 | Composite casting type heat-resisting sliding block casting die |
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| CN103966419A (en) | 2014-08-06 |
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