CN220524629U - Heating furnace for uniformly heating steel billet - Google Patents
Heating furnace for uniformly heating steel billet Download PDFInfo
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- CN220524629U CN220524629U CN202322146141.1U CN202322146141U CN220524629U CN 220524629 U CN220524629 U CN 220524629U CN 202322146141 U CN202322146141 U CN 202322146141U CN 220524629 U CN220524629 U CN 220524629U
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- heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims description 18
- 238000002791 soaking Methods 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a heating furnace for uniformly heating steel billets, which comprises a furnace body, wherein a furnace inlet is formed in the rightmost end of the front side wall of the furnace body, a furnace outlet is formed in the leftmost side of the rear side wall of the furnace body, a plurality of groups of cantilever motors are arranged on the left side wall and the right side wall in the furnace body, a plurality of groups of burners are arranged on the front side wall and the rear side wall of the furnace body, a preheating section, a heating section and a heat homogenizing section are respectively arranged in the furnace body along the furnace inlet to the furnace outlet, a first movable beam and a first static beam are arranged in the preheating section and the heating section at intervals, a second movable beam and a second static beam are arranged in the heating section and the homogenizing section at intervals, and the first movable beam and the second movable beam do circular reciprocating motion along the direction from the furnace inlet to the furnace outlet through a crank. The utility model has the advantages that the second movable beam carries out crank reciprocating motion to drive the billet to advance, and when the billet is driven by the second movable beam, the part of the billet contacted with the second static beam changes all the time due to the inclination of the second static beam, so that the billet can be heated uniformly, and a low-temperature zone can not exist.
Description
Technical Field
The utility model relates to the technical field of deformed steel bar production, in particular to a heating furnace for uniformly heating steel billets.
Background
Most of the billets required for the current screw-thread steel production are heated by a heating furnace and then rolled. The heating furnace is mostly a stepping heating furnace at present, the heating furnace is even in heating, low in energy consumption and high in efficiency, but the traditional heating furnace walking beam structure is linear, the contact part of a billet and the walking beam in the stepping process is relative to other parts which are exposed in the space in the furnace, the contact part of the billet and the walking beam is always low in temperature, and the material shape tension is unstable in the rolling process due to temperature difference. In addition, the steel billets adopted at present are mostly square billets, the square heating uniformity is poor relative to a circle or an ellipse, and the steel billets are possibly sticky in the stepping process, so that the steel billets cannot be normally discharged.
Disclosure of Invention
The utility model aims to provide a heating furnace for uniformly heating steel billets, which can realize uniform heating of the steel billets, further stabilize production and reduce equipment failure rate.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a heating furnace of even heating steel billet, its characterized in that, includes the furnace body, the furnace inlet has been seted up to the preceding lateral wall of furnace body, the furnace outlet has been seted up to the back lateral wall of furnace body leftmost, both sides wall all is provided with multiunit cantilever motor about in the furnace body, all install the array nozzle on the front and back lateral wall of furnace body, inside preheating section, heating first section, heating second section and the soaking section of being provided with respectively along the furnace inlet to the furnace outlet, the interval is provided with first movable beam and first quiet roof beam in preheating section, heating second section and the soaking section, the interval has second movable beam and second quiet roof beam in the heating second movable beam is through the cyclic reciprocating motion of crank along the furnace inlet to the furnace outlet direction.
Preferably, the cantilever motor output ends at the right side wall of the furnace body are respectively provided with a furnace inlet roller way, and the cantilever motor output ends at the left side wall of the furnace body are respectively provided with a furnace outlet roller way.
Preferably, each furnace inlet roller way and each furnace outlet roller way are positioned on the same straight line, and each furnace outlet roller way and each furnace outlet are positioned on the same straight line.
Preferably, the front and rear side walls of the furnace body are provided with striking plates corresponding to the furnace inlet and the furnace outlet, and the striking plates are arranged on the front and rear side walls of the furnace body in a depth adjustable manner through telescopic rods.
Preferably, the heights of the first movable beam and the first static beam in the preheating section are higher than the height of the first heating section, and as the preheating section is provided with only one side of burner, the subsequent heating sections are all fully opened by the burners at two sides, so that effective heating is realized.
Preferably, the included angle of the second static beam relative to the horizontal axis is 1 °, the second movable beam performs crank reciprocating motion to drive the billet to advance, and most of the billet stays on the second static beam except when the billet is driven by the second movable beam, so that the billet can be heated uniformly due to the inclination of the second static beam and the contact part of the billet and the second static beam is always changed, and a low-temperature zone is avoided.
Preferably, the second movable beam and the second static beam are provided with a plurality of groups of circular grooves which are arranged at equal intervals.
Preferably, the spacing distance between adjacent circular grooves is the same as the stepping horizontal distance of the second movable beam.
Preferably, each group of burners is provided with a gas blowing opening and an air blowing opening in the furnace body respectively, the gas blowing opening and the air blowing opening of the same burner are arranged at an angle with the arrangement direction of the burner, the arrangement directions of the gas blowing opening and the air blowing opening of the adjacent burner are symmetrically arranged, and the burner can uniformly heat the billet in the preheating section, the first heating section, the second heating section and the soaking section through gas and air intake.
In summary, the utility model has the following beneficial effects: the second movable beam carries out crank reciprocating motion to drive the steel billet to advance, and the steel billet stays on the second static beam for most of time except when being driven by the second movable beam, so that the steel billet can be uniformly heated due to the inclination of the second static beam, the contact part of the steel billet and the second static beam is always changed, a low-temperature zone is avoided, the heating is uniform, the production is stable, and the equipment failure rate is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic diagram of the arrangement of the second movable beam and the second static beam in the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The heating furnace for uniformly heating steel billets as shown in fig. 1 to 3 comprises a furnace body 1, wherein a furnace inlet 2 is formed in the rightmost end of the front side wall of the furnace body 1, a furnace outlet 3 is formed in the leftmost side of the rear side wall of the furnace body 1, a plurality of groups of cantilever motors 4 are arranged on the left side wall and the right side wall in the furnace body 1, a plurality of groups of burners 5 are arranged on the front side wall and the rear side wall of the furnace body 1, a preheating section 6, a heating section 7, a heating section 8 and a soaking section 9 are respectively arranged in the furnace body 1 along the furnace inlet 2 to the furnace outlet 3, a first movable beam 10 and a first static beam 11 are arranged in the preheating section 6 and the heating section 7 at intervals, a second movable beam 12 and a second static beam 13 are arranged in the heating section 8 and the soaking section 9 at intervals, and the first movable beam 10 and the second movable beam 12 do cyclic reciprocating motion along the direction from the furnace inlet 2 to the furnace outlet 3 through a crank.
The cantilever motor 4 output end at the right side wall inside the furnace body 1 is provided with a furnace inlet roller way 14, the cantilever motor 4 output end at the left side wall inside the furnace body 1 is provided with a furnace outlet roller way 15, the furnace inlet roller ways 14 and the furnace inlet 2 are all on the same straight line, the furnace outlet roller ways 15 and the furnace outlet 3 are all on the same straight line, and the steel billets entering from the furnace inlet 2 and the steel billets exiting from the furnace outlet 3 are driven through the furnace inlet roller ways 14 and the furnace outlet roller ways 15.
The front and rear side walls of the furnace body 1 are respectively provided with a striking plate 16 relative to the furnace inlet 2 and the furnace outlet 3, the striking plates 16 are arranged on the front and rear side walls of the furnace body 1 in a depth adjustable manner through telescopic rods 17, and the positions of billets can be effectively adjusted through the striking plates 16, so that subsequent effective heating is realized.
The heights of the first movable beam 10 and the first static beam 11 in the preheating section 6 are higher than those of the heating section 7, and as the preheating section 6 is provided with only one side of the burner 5, the subsequent heating sections are all fully opened by two side burners, so that effective heating is realized.
The included angle of the second static beam 13 relative to the horizontal axis is 1 degree, the second movable beam 12 carries out crank reciprocating motion to drive the steel billet to advance, and most of time stays on the second static beam 13 except when the steel billet is driven by the second movable beam 12, so that the steel billet can be heated uniformly due to the fact that the second static beam 13 is inclined and the contact part of the steel billet and the second static beam 13 is changed all the time, a low-temperature zone is avoided, the heating is uniform, the production is stable, and the equipment failure rate is reduced.
The second movable beam 12 and the second static beam 13 are provided with a plurality of groups of circular grooves 18 which are arranged at equal intervals correspondingly, and the interval distance between the adjacent circular grooves 18 is the same as the stepping horizontal distance of the second movable beam 12.
Each group of burners 5 are respectively provided with a gas blowing opening 19 and an air blowing opening 20 in the furnace body 1, the gas blowing openings 19 and the air blowing openings 20 of the same burner 5 are arranged at an angle with the arrangement direction of the burner 5, the arrangement directions of the gas blowing openings 19 and the air blowing openings 20 of the adjacent burners 5 are symmetrically arranged, and the burner 5 simultaneously realizes the uniform heating of billets in the preheating section 6, the first heating section 7, the second heating section 8 and the soaking section 9 through gas and air intake.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a heating furnace of even heating steel billet, its characterized in that, includes the furnace body, the furnace inlet has been seted up to the preceding lateral wall of furnace body, the furnace outlet has been seted up to the back lateral wall of furnace body leftmost, both sides wall all is provided with multiunit cantilever motor about in the furnace body, all install the array nozzle on the front and back lateral wall of furnace body, inside preheating section, heating first section, heating second section and the soaking section of being provided with respectively along the furnace inlet to the furnace outlet, the interval is provided with first movable beam and first quiet roof beam in preheating section, heating second section and the soaking section, the interval has second movable beam and second quiet roof beam in the heating second movable beam is through the cyclic reciprocating motion of crank along the furnace inlet to the furnace outlet direction.
2. A furnace for uniformly heating a billet according to claim 1 wherein: the furnace body is characterized in that the output end of the cantilever motor at the right side wall of the furnace body is provided with a furnace inlet roller way, and the output end of the cantilever motor at the left side wall of the furnace body is provided with a furnace outlet roller way.
3. A furnace for uniformly heating a billet according to claim 2 wherein: the furnace inlet roller tables and the furnace inlet are all in the same straight line, and the furnace outlet roller tables and the furnace outlet are all in the same straight line.
4. A furnace for uniformly heating a billet according to claim 2 wherein: the front side wall and the rear side wall of the furnace body are respectively provided with a striking plate relative to the furnace inlet and the furnace outlet, and the striking plates are arranged on the front side wall and the rear side wall of the furnace body through the depth adjustment of the telescopic rods.
5. A furnace for uniformly heating a billet according to claim 1 wherein: the heights of the first movable beam and the first static beam in the preheating section are higher than the height of the heating section.
6. A furnace for uniformly heating a billet according to claim 1 wherein: the included angle of the second static beam relative to the horizontal axis is 1 degree.
7. A furnace for uniformly heating a billet according to claim 1 wherein: and a plurality of groups of circular grooves which are arranged at equal intervals are correspondingly arranged above the second movable beam and the second static beam.
8. The furnace for uniformly heating a steel billet according to claim 7 wherein: the spacing distance between the adjacent circular grooves is the same as the stepping horizontal distance of the second movable beam.
9. A furnace for uniformly heating a billet according to claim 1 wherein: each group of burner is provided with a gas blowing opening and an air blowing opening in the furnace body respectively, the gas blowing opening and the air blowing opening of the same burner are arranged at an angle with the arrangement direction of the burner, and the arrangement directions of the gas blowing opening and the air blowing opening of the adjacent burner are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146141.1U CN220524629U (en) | 2023-08-10 | 2023-08-10 | Heating furnace for uniformly heating steel billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146141.1U CN220524629U (en) | 2023-08-10 | 2023-08-10 | Heating furnace for uniformly heating steel billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220524629U true CN220524629U (en) | 2024-02-23 |
Family
ID=89937279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322146141.1U Active CN220524629U (en) | 2023-08-10 | 2023-08-10 | Heating furnace for uniformly heating steel billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220524629U (en) |
-
2023
- 2023-08-10 CN CN202322146141.1U patent/CN220524629U/en active Active
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