CN114990322A - High-strength light heat-resistant sliding block capable of reducing black marks of steel billet water beam - Google Patents
High-strength light heat-resistant sliding block capable of reducing black marks of steel billet water beam Download PDFInfo
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- CN114990322A CN114990322A CN202210677552.0A CN202210677552A CN114990322A CN 114990322 A CN114990322 A CN 114990322A CN 202210677552 A CN202210677552 A CN 202210677552A CN 114990322 A CN114990322 A CN 114990322A
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- water beam
- sliding block
- steel billet
- supporting part
- strength light
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/70—Furnaces for ingots, i.e. soaking pits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a high-strength light heat-resistant sliding block for reducing a water beam black mark of a steel billet, relates to the technical field of rolling line heating furnace equipment, and aims to solve the problem that an obvious black mark is formed at the contact part of the steel billet and the water beam heat-resistant sliding block; the sliding block is fixedly arranged at the upper end of the water beam and comprises a plane bearing block positioned at the top and a supporting part positioned at the bottom, and the bottom surface of the supporting part is in a concave arc shape and is matched with the outer diameter of the water beam; the slide blocks are at least two, the upper end surfaces of the plane bearing blocks of various slide blocks at the upper end of the same water beam are at the same elevation, and the vertical planes of the side edges of the same side of the upper end surfaces of the plane bearing blocks of various slide blocks are different; the included angle between the vertical line from the midpoint of the bottom surface of the supporting part to the center line of the water beam and the vertical direction is 0-40 degrees; the positions of the various sliding blocks relative to the center line of the water beam are different, so that the phenomenon that the steel billet is in continuous contact with the sliding blocks at the same position when in contact with the sliding blocks is avoided, and the generation of black marks of the water beam is avoided.
Description
Technical Field
The invention relates to the technical field of rolling line heating furnace equipment, in particular to a high-strength light heat-resistant sliding block for reducing black marks of a water beam of a steel billet.
Background
The heating furnace is one of key thermal equipment in the production link of the metallurgical industry, and the heating furnace mainly has the function of heating steel to the temperature level and the heating mass required by the process according to the rolling rhythm of a rolling mill. In the walking beam type heating furnace, the steel billets are uniformly arranged on a water beam in the furnace to be heated, the water beam is in contact with the steel billets through a heat-resistant sliding block, the water beam is cooled through cooling water inside the water beam, the contact part of the steel billets and the heat-resistant sliding block of the water beam cannot receive heat radiation, and after the steel billets are heated for a long time, the contact part of the steel billets and the heat-resistant sliding block of the water beam can form obvious black marks, so that the size deviation of subsequent rolling is greatly influenced. Therefore, a high-strength, light-weight and heat-resistant slider capable of reducing the black mark of the water beam of the billet is needed to solve the problem.
Disclosure of Invention
The invention aims to provide a high-strength light-weight heat-resistant sliding block for reducing the black mark of a water beam of a steel billet, and the problem that the contact part of the steel billet and the heat-resistant sliding block of the water beam can form an obvious black mark is solved.
In order to achieve the purpose, the invention provides the following technical scheme: a high-strength light-weight heat-resistant sliding block for reducing the black mark of a water beam of a steel billet is fixedly arranged at the upper end of the water beam and comprises a plane bearing block positioned at the top and a supporting part positioned at the bottom, and the bottom surface of the supporting part is in a concave arc shape and is matched with the outer diameter of the water beam; the slide blocks are at least two, the upper end surfaces of the plane bearing blocks of various slide blocks at the upper end of the same water beam are at the same elevation, and the vertical planes of the side edges of the same side of the upper end surfaces of the plane bearing blocks of various slide blocks are different; the included angle between the vertical line from the midpoint of the bottom surface of the supporting part to the center line of the water beam and the vertical direction is 0-40 degrees.
Preferably, the lower extreme of supporting part has been seted up the cross and has been led to the groove and cut apart into four shank with the supporting part, and four tip in cross are led to the groove are located the middle part of four sides of supporting part respectively.
Preferably, one side or two sides of the lower end of the leg part far away from the through groove are provided with feet for increasing the contact area, the supporting part is shaped like a Chinese character ji, and the whole supporting part is integrally formed.
Preferably, the groove bottom of the cross-shaped through groove is arched, the groove wall is obliquely arranged, and the width of the groove opening is larger than that of the groove bottom.
Preferably, the levelness of the upper end surface of the plane bearing block is not more than 0.3 mm.
Preferably, the planar bearing block is rectangular.
Preferably, the planar bearing block is welded or integrally formed with the support portion.
Preferably, each slide block at the upper end of the water beam is different from the adjacent slide block on the water beam.
Preferably, the slide blocks are arranged along the central line direction of the water beam, a gap is reserved between every two adjacent slide blocks, each slide block comprises a first slide block, a second slide block and a third slide block, the first slide block is fixedly arranged on one side of the upper end of the water beam, the third slide block is fixedly arranged on the other side of the upper end of the water beam, and the second slide block is fixedly arranged right above the water beam.
Preferably, the included angles between the vertical lines from the middle points of the bottom surfaces of the supporting parts of the first sliding block and the third sliding block to the center line of the water beam and the vertical direction are both 25 degrees, and the vertical lines from the middle points of the bottom surfaces of the supporting parts of the second sliding block to the center line of the water beam are vertical.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-strength light-weight heat-resistant sliding block for reducing the billet water beam black mark is characterized in that a plurality of sliding blocks are arranged at the upper end of the water beam, and the positions of the various sliding blocks relative to the central line of the water beam are different, so that the phenomenon that the billet is in continuous contact with the sliding blocks at the same position when in contact with the heat-resistant sliding blocks is avoided, the contact position of the billet and the sliding blocks can receive enough heat radiation, and the generation of the water beam black mark is avoided.
2. This reduce high-strength light heat-resisting slider of steel billet water beam black mark, simple structure is reasonable, and still keep the rectangle contact surface the same with the contact part of original slider with the steel billet, except that the contact position, does not change any original process, need not to carry out any other adjustments to the technology and can use fast, therefore low cost, easily realization are fit for promoting to the heating furnace field and once only solve the black mark problem comprehensively, establish the basis for the whole promotion of product quality.
3. This reduce high strength light heat-resisting slider of steel billet water beam black mark through having seted up the cross logical groove at supporting part length direction and the width direction along the slider, makes the supporting part form "nearly" style of calligraphy bearing structure, constitutes stable four feet and supports, has reduced the volume and the quality of slider, has reduced the use amount of material, reduces the influence to the water beam as far as possible, has guaranteed the stability of structure simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional view of a slider of the present invention disposed on a water beam;
FIG. 2 is a schematic cross-sectional view of a slider-A disposed on a water beam according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a second slider disposed on a water beam according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view illustrating a slider III disposed on a water beam according to an embodiment of the present invention;
FIG. 5 is a schematic front view of a second slider according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a second slider according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a first slider according to an embodiment of the present invention.
In the figure: 1. a first sliding block; 2. a second sliding block; 3. and a third sliding block.
Detailed Description
As shown in fig. 1, the high-strength light-weight heat-resistant sliding block for reducing the black mark of the water beam of the steel billet is fixedly arranged at the upper end of the water beam and comprises a plane bearing block positioned at the top and a supporting part positioned at the bottom, and the bottom surface of the supporting part is in a concave arc shape and is matched with the outer diameter of the water beam; the slide blocks are at least two, the upper end surfaces of the plane bearing blocks of various slide blocks at the upper end of the same water beam are at the same elevation, namely the upper end surfaces of the plane bearing blocks of the slide blocks on the same water beam are coplanar, and the vertical planes of the side edges of the same side of the upper end surfaces of the plane bearing blocks of various slide blocks are different, so that the steel billet can contact different parts when contacting the slide blocks, all the parts can contact heat radiation, and the generation of black marks of the water beam is avoided; in addition, in order to ensure the structural stability, an included angle between a vertical line from the midpoint of the bottom surface of the supporting part to the central line of the water beam and the vertical direction should be kept between 0 and 40 degrees, otherwise, the supporting force of the water beam on the sliding block is insufficient, and the performance of bearing steel billets is influenced.
In order to lighten the weight of the slide block as much as possible and ensure the stability of the supporting function of the slide block, a cross-shaped through groove can be formed at the lower end of the supporting part to divide the supporting part into four leg parts, and the four end parts of the cross-shaped through groove are respectively positioned in the middle of the four side edges of the supporting part; furthermore, feet for increasing the contact area are preferably arranged on one side or two sides of the lower ends of the legs away from the through grooves, so that the supporting part is in a shape like a Chinese character ji, and in addition, the whole supporting part is preferably integrally formed, so that the structural firmness is ensured; preferably, the groove bottom of the cross-shaped through groove can be arched, the groove wall is inclined, and the width of the groove opening can be larger than that of the groove bottom, so that the borne pressure can be better dispersed and more uniformly pressed on the water beam, and the service life of the sliding block is ensured by referring to fig. 1.
The upper end surface of the plane bearing block is a mechanical finish machining surface, the levelness of the plane bearing block is not more than 0.3mm, and the rectangular structure of the original plane bearing block is preferably kept; the plane bearing block and the supporting part can be welded, and more preferably, the plane bearing block and the supporting part can be integrally formed.
In a preferred embodiment, each slide block at the upper end of the water beam is different from the adjacent slide block on the water beam, so that the time for continuously contacting the upper end surface of the plane bearing block at the same position of the billet can be shortened as far as possible.
Example (b):
referring to fig. 2-7, in the present embodiment, the slider includes three kinds, i.e., a first slider 1, a second slider 2, and a third slider 3, as shown in fig. 2, the first slider 1 is fixedly disposed on one side of the upper end of the water beam, as shown in fig. 4, the third slider 3 is fixedly disposed on the other side of the upper end of the water beam, as shown in fig. 3, the second slider 2 is fixedly disposed at the upper end of the water beam, included angles between vertical lines from the midpoints of the bottom surfaces of the supporting portions of the first slider 1 and the third slider 3 to the center line of the water beam and the vertical direction are 25 °, and vertical lines from the midpoints of the bottom surfaces of the supporting portions of the second slider 2 to the center line of the water beam are vertical.
As shown in fig. 5-7, the lower end of the supporting portion is provided with a cross-shaped through groove to divide the supporting portion into four leg portions, and four end portions of the cross-shaped through groove are respectively positioned in the middle of four side edges of the supporting portion; the lower end of the leg part is provided with a foot part close to the side edge of the water beam.
The slider is equipped with a plurality ofly along water beam central line direction, leaves the clearance between adjacent slider, and slider 1, slider two 2 and slider three 3 are not repeated setting in proper order, through this kind of mode, can avoid the phenomenon of steel billet same position continuous contact slider when with the slider contact, has guaranteed that the steel billet can both receive sufficient heat radiation with the position of slider contact, has avoided the production of water beam black mark.
In addition to the above embodiment, only two kinds of sliders may be used, and similarly to the above arrangement of the first slider 1 and the third slider 3 at intervals, the effect of avoiding black marks may also be achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. The utility model provides a reduce heat-resisting slider of high strength light of steel billet water beam black mark which characterized in that: the sliding block is fixedly arranged at the upper end of the water beam and comprises a plane bearing block positioned at the top and a supporting part positioned at the bottom, and the bottom surface of the supporting part is in a concave arc shape and is matched with the outer diameter of the water beam; the slide blocks are at least two, the upper end surfaces of the plane bearing blocks of various slide blocks at the upper end of the same water beam are at the same elevation, and the vertical planes of the side edges of the same side of the upper end surfaces of the plane bearing blocks of various slide blocks are different; the included angle between the vertical line from the midpoint of the bottom surface of the supporting part to the center line of the water beam and the vertical direction is 0-40 degrees.
2. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 1, wherein: the lower extreme of supporting part has been seted up the cross and has been led to the groove and cut apart into four shank with the supporting part, and four tip that the cross led to the groove are located the middle part of four sides of supporting part respectively.
3. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 2, wherein: the lower extreme of shank is kept away from one side or both sides that lead to the groove and is equipped with the foot that is used for increaseing area of contact, and the supporting part is "nearly" font, and whole supporting part is integrated into one piece.
4. The high-strength light-weight heat-resistant sliding block capable of reducing the black mark of the steel billet water beam as claimed in claim 3, wherein: the tank bottom of the cross-shaped through groove is arched, the tank wall is obliquely arranged, and the width of the notch is larger than that of the tank bottom.
5. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 1, wherein: the levelness of the upper end surface of the plane bearing block is not more than 0.3 mm.
6. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 5, wherein: the plane bearing block is rectangular.
7. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 6, wherein: the plane bearing block and the supporting part are welded or integrally formed.
8. The high-strength light-weight heat-resistant sliding block capable of reducing the black mark of the steel billet water beam as claimed in claim 1, wherein: each sliding block at the upper end of the water beam is different from the adjacent sliding block on the water beam.
9. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to any one of claims 1 to 8, wherein: the water beam structure is characterized in that the sliding blocks are arranged in a plurality of positions along the central line direction of the water beam, a gap is reserved between every two adjacent sliding blocks, each sliding block comprises a first sliding block (1), a second sliding block (2) and a third sliding block (3), the first sliding block (1) is fixedly arranged on one side of the upper end of the water beam, the third sliding block (3) is fixedly arranged on the other side of the upper end of the water beam, and the second sliding block (2) is fixedly arranged at the right upper end of the water beam.
10. The high-strength light-weight heat-resistant slider capable of reducing the black mark of the water beam of the steel billet according to claim 9, wherein: and included angles between vertical lines from the middle points of the bottom surfaces of the supporting parts of the first sliding block (1) and the third sliding block (3) to the center line of the water beam and the vertical direction are both 25 degrees, and vertical lines from the middle points of the bottom surfaces of the supporting parts of the second sliding block (2) to the center line of the water beam are vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677552.0A CN114990322A (en) | 2022-06-15 | 2022-06-15 | High-strength light heat-resistant sliding block capable of reducing black marks of steel billet water beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677552.0A CN114990322A (en) | 2022-06-15 | 2022-06-15 | High-strength light heat-resistant sliding block capable of reducing black marks of steel billet water beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114990322A true CN114990322A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210677552.0A Pending CN114990322A (en) | 2022-06-15 | 2022-06-15 | High-strength light heat-resistant sliding block capable of reducing black marks of steel billet water beam |
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|---|---|
| CN (1) | CN114990322A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220419A (en) * | 2004-02-06 | 2005-08-18 | Sanyo Special Steel Co Ltd | Walking-beam type heating furnace for reducing decrement in local temperature at skid part of material to be heated |
| CN201071385Y (en) * | 2007-07-30 | 2008-06-11 | 济南钢铁股份有限公司 | Insertion type slide track of steel pulling slab heating furnace |
| KR20090016080A (en) * | 2007-08-10 | 2009-02-13 | 주식회사 포스코 | Skid apparatus for heating furnace |
| CN202297732U (en) * | 2011-09-29 | 2012-07-04 | 上海诚达工业炉有限公司 | Steel billet walking component with steel billet dark mark eliminating effect for heating furnace |
| CN203364601U (en) * | 2012-12-08 | 2013-12-25 | 内蒙古包钢钢联股份有限公司 | Walking beam type heating furnace |
| CN204080042U (en) * | 2014-09-29 | 2015-01-07 | 河北钢铁股份有限公司 | A kind of steel billet slideway for pusher-type furnace |
-
2022
- 2022-06-15 CN CN202210677552.0A patent/CN114990322A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220419A (en) * | 2004-02-06 | 2005-08-18 | Sanyo Special Steel Co Ltd | Walking-beam type heating furnace for reducing decrement in local temperature at skid part of material to be heated |
| CN201071385Y (en) * | 2007-07-30 | 2008-06-11 | 济南钢铁股份有限公司 | Insertion type slide track of steel pulling slab heating furnace |
| KR20090016080A (en) * | 2007-08-10 | 2009-02-13 | 주식회사 포스코 | Skid apparatus for heating furnace |
| CN202297732U (en) * | 2011-09-29 | 2012-07-04 | 上海诚达工业炉有限公司 | Steel billet walking component with steel billet dark mark eliminating effect for heating furnace |
| CN203364601U (en) * | 2012-12-08 | 2013-12-25 | 内蒙古包钢钢联股份有限公司 | Walking beam type heating furnace |
| CN204080042U (en) * | 2014-09-29 | 2015-01-07 | 河北钢铁股份有限公司 | A kind of steel billet slideway for pusher-type furnace |
Non-Patent Citations (2)
| Title |
|---|
| 张天旭等: "减轻推钢式加热炉钢坯水管黑印的实践", 河北冶金, no. 01, pages 60 * |
| 李景峰等: "步进梁加热炉耐热垫块的改造", 包钢科技, no. 04, pages 12 * |
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