CN203648986U - Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets - Google Patents
Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets Download PDFInfo
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- CN203648986U CN203648986U CN201320582646.6U CN201320582646U CN203648986U CN 203648986 U CN203648986 U CN 203648986U CN 201320582646 U CN201320582646 U CN 201320582646U CN 203648986 U CN203648986 U CN 203648986U
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- roller way
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- ejection roller
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- 238000005096 rolling process Methods 0.000 title claims abstract description 67
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000003801 milling Methods 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 abstract description 22
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets. The device comprises a continuous casting machine, billet discharge roller beds, a transverse deployment device and rolling lines, wherein the continuous casting machine is a multi-strand continuous casting machine; one billet discharge roller bed is arranged at an outlet of each strand; the transverse deployment device capable of deploying the billets transversely is arranged at tail ends of the billet discharge roller beds; a plurality of rolling lines are arranged on one side, which is opposite to the billet discharge roller beds, of the transverse deployment device; each rolling line comprises a conveying roller bed corresponding to each billet discharge roller bed; rolling mills are arranged at tail ends of the conveying roller beds; and heat-insulation covers are arranged at upper ends of the billet discharge roller beds and the conveying roller beds. The device adopts a billet heating-free low-temperature direct rolling technology and has the characteristics that heating is avoided, high-strength rolling mill low-temperature rolling can be realized, the investment in heating furnace equipment and fuel can be saved effectively, the energy consumption and the metal oxidation loss are reduced, the production cost is reduced, and the device can be widely applied to production of the reinforcing steel bars.
Description
Technical field
The utility model relates to the production technical field of reinforcing bar, is specifically related to a kind of device without the little billet production reinforcing bar of heating low temperature Direct Rolling.
Background technology
At present the conventional reinforcing bar mode of production has two kinds, and one is cold charge, and continuous casting billet deposits stock bank in from cold bed blanking after conticaster pull-out, then from stock bank is carried to mill, sends into heating furnace heating, and then heat is delivered to milling train and carried out high temperature rolling; One is hot delivery and hot charging, and the heating furnace that send roller-way directly to deliver to mill by heat from conticaster pull-out heats, and then sends into and in milling train, carry out high temperature rolling.These two kinds of modes of production all need blank to carry out post bake, have not only increased the investment to firing equipment and fuel, increase the production costs such as energy consumption and manpower, and have increased the consumption of metal, also can take larger site area simultaneously.Continuous casting and rolling is the generally acknowledged economy in current steel rolling field, effective production technology, and it is widely used at sheet material and band production field, but have not been reported in the application of reinforcing bar production field.Chinese patent 1 " a kind of production equipment of long profiles continuous casting and rolling " (application number: 200910191118.6, publication number: 101693254A, publication date: on April 14th, 2010) and Chinese patent 2 " the continuous casting and rolling apparatus and method of the long material of production " (application number: 201210272657.4, publication number: 102764762A, publication date: on November 7th, 2012) long material continuous casting continuous rolling equipment and method proposed, its Patent 1 on production line, has increased by the first induction heating apparatus and the second induction heating apparatus carries out concurrent heating to continuous casting material, patent 2 is below the roller-way after conticaster, heater to be set blank is heated.Although these two kinds of apparatus and method have been saved the post bake operation of cold blank, save the construction investment to heating furnace, energy consumption and production cost are reduced to a certain extent, but need the construction of follow-up heat patching device, still need to expend a large amount of fuel or energy, and the blank heating time is longer, oxidization burning loss is more severe, the recovery rate of metal is just lower, has seriously reduced the earning rate of enterprise.In addition, these two kinds of apparatus and method all belong to high temperature rolling, and finishing temperature, higher than reinforcing bar recrystallization temperature, has a negative impact to the final performance of product.
Utility model content
For above deficiency and defect, the utility model provides a kind of device without the little billet production reinforcing bar of heating low temperature Direct Rolling, has solved the high problem of reinforcing bar energy consumption, makes production cost and the Energy Intensity Reduction of reinforcing bar.
To achieve these goals, the utility model adopts following technical proposal to realize:
The utility model device comprises conticaster, ejection roller way, horizontal deployment device and rolling line, described conticaster is multiple-strand caster, every flow export place is provided with ejection roller way, the end of ejection roller way is provided with the horizontal deployment device that can laterally allocate blank, is provided with some rolling lines in a horizontal deployment device side relative with ejection roller way.
Described rolling line comprises the rollgang corresponding with ejection roller way, and the end of rollgang is provided with milling train, and wherein, the top of ejection roller way and rollgang is provided with stay-warm case.
The cutting machine of described conticaster is d to the distance of milling train, d≤300m.
The one or both sides of described horizontal deployment device are provided with blanking rack.
Described every outflow blank roller way and rollgang are frequency conversion roller-way.
Described conticaster is multiple-strand caster, and drawing steel speed is 2～4m/min.
Described milling train is the high strength milling train that can meet zerolling requirement.
Compared with prior art, the beneficial effects of the utility model are:
The device of the little billet production reinforcing bar of nothing heating low temperature Direct Rolling in the utility model, owing to adopting frequency conversion conveying technology, and be provided with stay-warm case above ejection roller way and rollgang, make continuous casting billet entering before milling train, without secondary heating furnace and other auxiliary heating equipment, shorten the length of production line, having realized the close-coupled of reinforcing bar produces, equipment is simple, reduce floor space, save firing equipment, the investment of fuel and manpower, effectively reduce burning scaling loss amount and the pollution to environment, improve working conditions, reduce production costs, raise labour productivity.
In addition, this device adopts low temperature Direct Rolling, and rolling temperature and finishing temperature are lower, can effectively reduce dynamic recrystallization and the Static Recrystallization adverse effect to the thin size of metal grain, product mechanical property excellence.
Further, described conticaster is multiple-strand caster, ejection roller way and rollgang are frequency conversion rollgang, and are furnished with stay-warm case, thereby have shortened the time of delivery of continuous casting billet, reduce the thermal losses of continuous casting billet in the process of transporting, continuous casting billet is that cross dimensions is 120mm × 120mm～160mm × 160mm, and the little square billet that length is 3～9m, can effectively solve blank temperature drop large, rolling difficulty, the problem that properties of product fluctuation is larger.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Wherein, the 1st, conticaster, the 2nd, ejection roller way, the 3rd, horizontal deployment device, the 4th, rollgang, the 5th, milling train, the 6th, stay-warm case, the 7th, blanking rack.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is known intactly and described, obviously, described embodiment is only the utility model part embodiment, rather than all; Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
As shown in Figure 1, the utility model provides a kind of device without the little billet production reinforcing bar of heating low temperature Direct Rolling, comprise conticaster 1, ejection roller way 2, laterally deployment device 3 and rolling line, described conticaster 1 is multiple-strand caster, every flow export place is provided with ejection roller way 2, the end of ejection roller way 2 is provided with the horizontal deployment device 3 that can laterally allocate blank, be provided with a rolling line in horizontal deployment device 3 side relative with ejection roller way 2, described rolling line comprises the rollgang corresponding with ejection roller way 24, the end of rollgang 4 is provided with milling train 5, wherein, ejection roller way 2 is provided with stay-warm case 6 with the upper end of rollgang 4, preferably, stay-warm case 6 is arranged at the top of the ejection roller way port of export 2/3 part and rollgang, one side of ejection roller way 2 is provided with blanking rack 7, described ejection roller way 2 and rollgang 4 are frequency conversion roller-way, conticaster 1 is multiple-strand caster, and drawing steel speed is 2～4m/min, and the cutting machine of conticaster 1 is no more than 300m to milling train 5 distance, preferably adopts in 50m as good.
The course of work is:
The many rows of continuous casting billet that pull out from multiple-strand caster 1 are parallel to the ejection roller way 2 that is provided with stay-warm case 6, then be transported to horizontal deployment device 3, wherein the first-class continuous casting billet corresponding with rolling line is directly transported to by horizontal deployment device 3 rollgang 4 of being furnished with stay-warm case 6, then sends into fast in milling train 5 and be directly rolled.In the time that the ejection ability of the ejection roller way corresponding with rolling line 2 and the rolling power of milling train 5 do not match, can allocate by horizontal deployment device 3, in the time that the ejection ability of the ejection roller way corresponding with rolling line 2 is less than the rolling power of milling train 5, can the continuous casting billet of other ejection roller ways 2 be transferred to rolling line by horizontal deployment device 3 and be rolled; In the time that the ejection ability of the ejection roller way corresponding with rolling line 2 is greater than the rolling power of milling train 5, can unnecessary or underproof continuous casting billet be moved to lower rolling line by blanking rack 7, deposit stock bank in.
Embodiment 2:
As shown in Figure 2, the utility model provides the another kind of device without the little billet production reinforcing bar of heating low temperature Direct Rolling, comprise conticaster 1, ejection roller way 2, laterally deployment device 3 and rolling line, described conticaster 1 is multiple-strand caster, every flow export place is provided with ejection roller way 2, the end of ejection roller way 2 is provided with the horizontal deployment device 3 that can laterally allocate blank, be provided with two or more rolling line in horizontal deployment device 3 side relative with ejection roller way 2, described rolling line comprises the rollgang corresponding with ejection roller way 24, the end of rollgang 4 is provided with milling train 5, wherein, ejection roller way 2 is provided with stay-warm case 6 with the upper end of rollgang 4.
As different from Example 1, after conticaster workshop section, be furnished with two or more rolling line, to guarantee that the production capacity of conticaster 1 and the rolling power of milling train 5 match, bring into play to greatest extent production efficiency of equipment, improve production capacity.
The course of work is:
The many rows of continuous casting billet that pull out from multiple-strand caster 1 are parallel to the ejection roller way 2 that is provided with stay-warm case 6, then be transported to horizontal deployment device 3, wherein the first-class continuous casting billet corresponding with rolling line is directly transported to by horizontal deployment device 3 rollgang 4 of being furnished with stay-warm case 6, then sends into fast in milling train 5 and be directly rolled.In the time that the ejection ability of the ejection roller way corresponding with rolling line 2 and the rolling power of milling train 5 do not match, can allocate by horizontal deployment device 3, in the time that the ejection ability of the ejection roller way corresponding with rolling line 2 is less than the rolling power of milling train 5, can the continuous casting billet of other ejection roller ways 2 be transferred to rolling line by horizontal deployment device 3 and be rolled; In the time that the ejection ability of the ejection roller way corresponding with rolling line 2 is greater than the rolling power of milling train 5, the rolling line that can unnecessary continuous casting billet allocation and transportation be needed toward other by horizontal deployment device 3 is rolled; In the time that the production capacity of conticaster 1 is greater than the rolling power of milling train 5, can unnecessary or underproof continuous casting billet be moved to lower rolling line by blanking rack 7, deposit stock bank in.
In the whole production process of this device without any strand heating furnace and other auxiliary heating equipment, shorten the length of production line, reduce floor space, save the investment of firing equipment, fuel and manpower, effectively reduced burning scaling loss amount and the pollution to environment, improved working conditions, reduce production costs, the unit of roughing simultaneously meets zerolling requirement, raises labour productivity and properties of product, increases considerably the performance of enterprises.
Claims (7)
1. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling, it is characterized in that, comprise conticaster (1), ejection roller way (2), horizontal deployment device (3) and rolling line, described conticaster (1) is multiple-strand caster, every flow export place is provided with ejection roller way (2), the end of ejection roller way (2) is provided with the horizontal deployment device (3) that can laterally allocate blank, is provided with some rolling lines in horizontal deployment device (3) side relative with ejection roller way (2).
2. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 1, it is characterized in that, described rolling line comprises the rollgang (4) corresponding with ejection roller way (2), the end of rollgang (4) is provided with milling train (5), wherein, ejection roller way (2) is provided with stay-warm case with the top of rollgang (4).
3. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 2, is characterized in that, the cutting machine of described conticaster (1) is d to the distance of milling train (5), d≤300m.
4. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 1 and 2, is characterized in that, the one or both sides of described horizontal deployment device (3) are provided with blanking rack (7).
5. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 1, is characterized in that, described every outflow blank roller way (2) and rollgang (4) are frequency conversion roller-way.
6. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 1, is characterized in that, described conticaster (1) is multiple-strand caster, and drawing steel speed is 2～4m/min.
7. the device without the little billet production reinforcing bar of heating low temperature Direct Rolling according to claim 2, is characterized in that, described milling train (5) is for meeting the milling train of zerolling requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582646.6U CN203648986U (en) | 2013-09-18 | 2013-09-18 | Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582646.6U CN203648986U (en) | 2013-09-18 | 2013-09-18 | Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets |
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| Publication Number | Publication Date |
|---|---|
| CN203648986U true CN203648986U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582646.6U Expired - Lifetime CN203648986U (en) | 2013-09-18 | 2013-09-18 | Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets |
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| Country | Link |
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| CN (1) | CN203648986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480647A (en) * | 2013-09-18 | 2014-01-01 | 陕西钢铁集团有限公司 | Device and method for manufacturing reinforcing steel bars by means of directly rolling small square billets at low temperatures without heating |
| CN106077091A (en) * | 2016-06-21 | 2016-11-09 | 中冶华天工程技术有限公司 | Low energy consumption hot continuous casting blank Direct Rolling shaped steel Bar Wire Product production method |
| CN106424160A (en) * | 2016-11-14 | 2017-02-22 | 北京京诚瑞信长材工程技术有限公司 | Rolled steel production line capable of meeting after-rolling cooling control requirements of multiple alloy steel bars |
-
2013
- 2013-09-18 CN CN201320582646.6U patent/CN203648986U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480647A (en) * | 2013-09-18 | 2014-01-01 | 陕西钢铁集团有限公司 | Device and method for manufacturing reinforcing steel bars by means of directly rolling small square billets at low temperatures without heating |
| CN103480647B (en) * | 2013-09-18 | 2016-03-23 | 陕西钢铁集团有限公司 | A kind of device and production method thereof of producing reinforcing bar without heating low temperature Direct Rolling small billet |
| CN106077091A (en) * | 2016-06-21 | 2016-11-09 | 中冶华天工程技术有限公司 | Low energy consumption hot continuous casting blank Direct Rolling shaped steel Bar Wire Product production method |
| CN106424160A (en) * | 2016-11-14 | 2017-02-22 | 北京京诚瑞信长材工程技术有限公司 | Rolled steel production line capable of meeting after-rolling cooling control requirements of multiple alloy steel bars |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |